homocysteine has been researched along with cysteine in 1069 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 226 (21.14) | 18.7374 |
| 1990's | 134 (12.54) | 18.2507 |
| 2000's | 280 (26.19) | 29.6817 |
| 2010's | 315 (29.47) | 24.3611 |
| 2020's | 114 (10.66) | 2.80 |
| Authors | Studies |
|---|---|
| Aliaga, ME; Carrasco-Pozo, C; Olea-Azar, C; Speisky, H | 1 |
| Butt, VS; Poulton, JE | 1 |
| Primrose, SB | 1 |
| Eguchi, Y; Ito, S; Nakamura, T | 1 |
| Gupta, VJ; Wilcken, DE | 3 |
| Cohen, BD; Kornhauser, RS; Patel, H | 1 |
| Beaton, JM; Bradley, RJ; Smythies, JR | 1 |
| Hankinson, O; Jacoby, LB | 1 |
| Morzycka, E; Paszewski, A | 2 |
| Kitamura, S; Sumino, K; Yamamoto, R | 1 |
| Orlowski, M; Reingold, DF | 1 |
| Baker, DH; Harter, JM | 1 |
| Hems, R; Krebs, HA; Viña, J | 1 |
| Datko, AH; Giovanelli, J; Mudd, SH | 1 |
| Rabenstein, DL; Saetre, R | 1 |
| Günther, E; Herrmann, H; Wehnert, M | 1 |
| Halaseh, A; McConnell, WB; Nigam, SN | 1 |
| Gaull, GE; Longhi, RC; Rassin, DK; Sternowsky, HJ; Sturman, JA | 1 |
| Seltmann, G; Voigt, W | 1 |
| Aaseth, J | 1 |
| Beaton, JM | 1 |
| Grabski, J; Paszewski, A | 2 |
| Neuhoff, V; Schulze, E | 1 |
| Bowie, L; Crawhall, JC; Gochman, N; Johnson, K; Schneider, JA | 1 |
| Banerjee, RV; González, JC; Huang, S; Matthews, RG; Sumner, JS | 1 |
| Cuénod, M; Do, KQ; Gähwiler, BH; Jiang, ZP; Klancnik, JM | 1 |
| Damgaard, I; Dunlop, J; Grieve, A; Griffiths, R; Schousboe, A | 1 |
| Barbey, R; Henry, D; Surdin-Kerjan, Y; Thomas, D | 1 |
| Akagi, H; Hamada, R; Kamitsuchibashi, H; Kitazono, M; Nakano, A; Osame, M; Yamamoto, K; Yoshida, Y | 1 |
| Bakke, JE; Davison, KL; Larsen, GL | 1 |
| Loscalzo, J; Stamler, JS | 1 |
| Eisenbart, J; Fless, GM; Hinman, J; Makino, K; Pfaffinger, D; Scanu, AM | 1 |
| Bai, Y; Cook, ME; Orth, MW; Zeytun, IH | 1 |
| Mansoor, MA; Schneede, J; Svardal, AM; Ueland, PM | 1 |
| Mansoor, MA; Svardal, AM; Ueland, PM | 2 |
| Chan, MW; Evans, RH; Kilpatrick, IC; Waller, SJ | 1 |
| Dunlop, J; Fear, A; Griffiths, R | 1 |
| Attwell, D; Bouvier, M; Miller, BA; Szatkowski, M | 1 |
| Barrett, J; Walker, J | 1 |
| Naito, K; Ono, B | 1 |
| Dudman, NP; Hicks, C; Wang, J; Wilcken, DE | 1 |
| Baggott, JE; Morgan, SL; Refsum, H; Ueland, PM | 1 |
| Djurhuus, R; Mansoor, MA; Svardal, AM; Ueland, PM | 1 |
| Cherest, H; Surdin-Kerjan, Y; Thomas, D | 1 |
| Fernandez-Checa, JC; Kaplowitz, N; Maddatu, T; Ookhtens, M | 1 |
| Anders, MW; Cooper, AJ | 1 |
| Ewadh, MJ; Rose, FA; Tudball, N | 1 |
| Anders, MW; Sharma, VK; Sheu, SS; Vamvakas, S | 1 |
| Groves, CE; Lock, EA; Schnellmann, RG | 1 |
| Djurhuus, R; Svardal, AM; Ueland, PM | 1 |
| Henning, SM; McKee, RW; Swendseid, ME | 1 |
| Araki, A; Asada, T; Fukushima, Y; Kita, T; Matsumoto, M; Sako, Y | 1 |
| Hibino, T; Okada, S; Takeda, A | 1 |
| Ono, B | 1 |
| Harvey, PR; Ilson, RG; Strasberg, SM | 1 |
| Dudman, NP; Wilcken, DE; Wiley, VC | 1 |
| Allen, RH; Broxson, EH; Kolhouse, JF; Stabler, SP; Stork, LC | 1 |
| Gray, PN; May, PC | 1 |
| Lapin, IP; Ryzhov, IV | 1 |
| Cuénod, M; Do, KQ; Herrling, PL; Matute, C; Streit, P; Turski, WA | 1 |
| Meister, A; Moore, W; Wiener, HL | 1 |
| Anders, MW; Dekant, W; Elfarra, AA; Henschler, D; Vamvakas, S | 1 |
| Cuénod, M; Do, KQ; Herrling, PL; Streit, P | 1 |
| Anders, MW; Lash, LH | 2 |
| Busiello, V; Cini, C; Coccia, R; Di Girolamo, A; Di Girolamo, M | 1 |
| Puri, RN; Roskoski, R | 1 |
| Griffith, OW | 1 |
| Djurhuus, R; Lillehaug, JR; Male, R; Svardal, AM; Ueland, PM | 1 |
| Allen, RH; Lindenbaum, J; Marcell, PD; Podell, ER; Savage, DG; Stabler, SP | 1 |
| Howell, SB; Velury, S | 1 |
| Araki, A; Sako, Y | 1 |
| Anders, MW; Elfarra, AA; Lash, LH | 1 |
| Davidson, WD; Kopple, JD; Laidlaw, SA; Smolin, LA | 1 |
| Stipanuk, MH | 3 |
| Allen, RH; Marcell, PD; Podell, ER; Stabler, SP | 1 |
| Balthrop, JE; Braddon-Galloway, S; Fair, PH; Wade, JL | 1 |
| Esaki, N; Soda, K; Tanaka, H | 1 |
| Dudman, NP; Tyrrell, PA; Wilcken, DE | 1 |
| Cuénod, M; Do, KQ; Mattenberger, M; Streit, P | 1 |
| Chet, I; Lisker, N; Paster, N | 1 |
| Junikiewicz, E; Szydlowska, H | 1 |
| Chatagner, F; de Billy, G; Ipaktchi, M; Lefauconnier, JM; Portemer, C | 1 |
| Tebecis, AK | 1 |
| Klee, CB | 1 |
| Cheah, KS; Watkins, JC | 1 |
| Adiga, PR; Sarma, PS | 1 |
| Flavin, M; Savin, MA | 1 |
| Dugaiczyk, A; Eiler, JJ; Malecki, MT | 1 |
| Abd-el-Ghani, EE; Mönig, H | 1 |
| Jollès-Bergeret, B | 1 |
| Charton, M; Jolles-Bergeret, B | 1 |
| Haldeman, S; McLennan, H | 1 |
| Naiki, N; Yamagata, S | 1 |
| Josephs, JA; Magazino, J; Parker, CM; Sprince, H | 1 |
| Nicholas, DJ; Varma, AK | 1 |
| Pestaña, A; Sandoval, IV; Sols, A | 1 |
| Magos, L; Osawa, M | 1 |
| Bourel, M; Le Guilly, Y; Lenoir, P; Simon, M | 1 |
| Corwin, LM; Rothman, SW | 1 |
| Paszewski, A; Pieniazek, N; Stepień, PP | 1 |
| Collins, JM; Monty, KJ | 1 |
| Blanchard, P; Farrugia, G; Hildesheim, J; Hildesheim, R; Michelot, R | 1 |
| Finkelstein, JD; Harris, BJ; Kyle, WE | 1 |
| Booth, EM; Mallick, NP; Milewczyk, BK; Robins, AJ | 1 |
| Coignet, J; Laurent, B | 1 |
| de Vaucher, MH; Jollès-Bergeret, B | 1 |
| Barboza, V; Fernandez, E; Pulgar, J | 1 |
| Jung, G; Ottnad, M; Rimpler, M | 1 |
| Fels, H; Rauen, HM; Schriewer, H | 1 |
| Lasana, JE; Rauen, HM; Schriewer, H; Tegtbauer, U | 1 |
| Hill, LJ; Martin, WG | 1 |
| Kuzel, K | 1 |
| Finkelstein, JD; Harris, B | 1 |
| De Marco, C; Fadda, MB; Rinaldi, A | 1 |
| Gunsalus, IC; Yu, C | 1 |
| Gaull, GE; Pascal, TA; Sturman, JA; Tallan, HH | 1 |
| Abe, O; Lukacovic, MF; Ressler, C | 1 |
| Hirayama, K; Ikegami, T; Kodama, H; Mizuhara, S | 1 |
| Corbett, TH; Nettesheim, P | 1 |
| Fowler, B; Komrower, GM; Robins, AJ; Sardharwalla, IB | 1 |
| Boguslawski, J; Klopotowski, T; Walczak, W | 1 |
| Chatagner, F | 1 |
| Lawrence, DA; Rowbury, RJ; Smith, DA | 1 |
| Harada, T; Murooka, Y; Seto, K | 1 |
| Carr, HS; Rosenkranz, HS; Zyroff, J | 1 |
| Landner, L | 1 |
| Smith, DA | 1 |
| Calhoun, DH; Feary, TW | 1 |
| Hodgson, E; Rock, GC; Sharma, GK | 1 |
| Chatagner, F; Deme, D | 1 |
| Fowler, B; Sardharwalla, IB | 1 |
| De Marco, C; Rinaldi, A | 2 |
| Ngo, TT; Shargool, PD | 1 |
| Breitmaier, E; Flohé, L; Günzler, WA; Jung, G; Voelter, W | 1 |
| Ritter, K | 1 |
| Charpentier, C; Lemonnier, A; Levillain, P; Moatti, N | 1 |
| Braunstein, AE; Goryachenkova, EV; Tolosa, EA; Willhardt, IH; Yefremova, LL | 1 |
| Carlsson, J | 1 |
| Fowler, B; Robins, AJ; Sardharwalla, IB | 1 |
| Hochberg, A; Rahat, M | 1 |
| Finkelstein, JD; Harris, BJ; Kyle, W | 1 |
| Keiser, HR; Lovenberg, W; Sjoerdsma, A; Slavik, M | 1 |
| Ho, OL; Olney, JW; Rhee, V | 1 |
| Chen, SS; Duerre, JA; Walgate, JH | 1 |
| Budke, L; Vergroesen, AJ; Vos, O | 1 |
| Flavin, M; Guggenheim, S | 1 |
| Frimmer, M; Weil, G | 1 |
| Bacon, VA; Halpern, B; Jellum, E; Patton, W; Pereira, W | 1 |
| Flavin, M; Kerr, DS | 1 |
| Chalmers, FT; Finkelstein, JD | 1 |
| Jocelyn, PC | 2 |
| Hope, DB; Morgan, CD; Wälti, M | 1 |
| Copeland, W; Kelly, S; Leikhim, E | 1 |
| Jocelyn, PC; Kamminga, A | 1 |
| Giovanelli, J; Mudd, SH | 2 |
| Spence, KD | 1 |
| Brown, FC; Gordon, PH | 2 |
| Fochem, K; Michalica, W; Picha, E | 1 |
| Bradley, KH; Schneider, JA; Seegmiller, JE | 1 |
| Buettner, M; Parks, LW; Sorsoli, WA | 1 |
| Schlenk, F; Zydek, CR | 1 |
| Duerre, JA | 2 |
| Braunstein, AE; Goryachenkova, EV; Lac, ND | 1 |
| Milner, L; Weissbach, H | 1 |
| Del Mastro, S; Gaggi, R | 1 |
| Carver, DD; Dennen, DW | 1 |
| Blumenfeld, OO; Konigsberg, W; Smyth, DG | 1 |
| Fontanesi, S; Moretti, G | 1 |
| Caldwell, KA; Tappel, AL | 1 |
| Borner, K | 1 |
| Davidson, BE; Hird, FJ | 1 |
| Garaza, A; Sellinger, OZ | 1 |
| Gilmour, CM; Nishikawa, SS | 1 |
| Hope, DB; Horncastle, KC | 1 |
| Kuno, Y; Mizuno, K; Ozawa, K | 1 |
| Garner, HR; Wiebers, JL | 2 |
| Huovinen, JA | 1 |
| Gaitonde, MK; Gaull, GE | 1 |
| Flavin, M; Slaughter, C | 3 |
| Shapiro, SK; Spence, KD | 1 |
| Awapara, J; Peck, EJ | 1 |
| Bannai, S; Ishii, T | 1 |
| Carson, DA; Kamatani, N | 1 |
| Cavanagh, JB; Kemplay, S | 1 |
| Cooper, AJ | 1 |
| Gebhart, E | 1 |
| Kruszewska, A; Paszewski, A; Piotrowska, M | 1 |
| Beutler, E; Gelbart, T | 1 |
| Boers, GH; Drayer, JI; Kloppenborg, PW; Leermakers, AI; Smals, AG; Trijbels, FJ | 1 |
| Boers, GH; Kloppenborg, PW; Leermakers, AI; Smals, AG; Trijbels, FJ | 1 |
| Benevenga, NJ; Smolin, LA | 2 |
| Goto, R; Takeda, A; Tamemasa, O | 1 |
| Demaster, EG; Goon, DJ; Nagasawa, HT; Redfern, B; Shirota, FN | 1 |
| Dudman, NP; Tyrrell, PA; Wilcken, B; Wilcken, DE | 1 |
| Finkelstein, JD; Harris, BJ; Kyle, WE; Martin, JJ | 1 |
| Fowler, B | 1 |
| Gaull, GE; Malloy, MH; Rassin, DK | 1 |
| Gebhart, E; Kappauf, H | 1 |
| Gupta, VJ; Reddy, SG; Wilcken, DE | 1 |
| Berry, SA; King, RA; Reish, O | 1 |
| Andersson, A; Arnadottir, M; Hultberg, B | 1 |
| Ercal, N; Matthews, RH; Spitz, DR; Winters, RA; Zukowski, J | 1 |
| Anthony, ML; Beddell, CR; Lindon, JC; Nicholson, JK | 1 |
| Elfarra, AA | 1 |
| Boers, GH; Janssen, MJ; Stehouwer, CD; van den Berg, M | 1 |
| Anker, G; Lien, EA; Lønning, PE; Refsum, H; Ueland, PM | 1 |
| Andersson, A; Hultberg, B; Lindgren, A | 1 |
| Fiskerstrand, T; Guttormsen, AB; Refsum, HM; Schneede, J; Ueland, PM | 1 |
| Rafter, GW | 1 |
| Deutsch, JC; Hassell, KL; Kolhouse, JC; Kolhouse, JF; Santhosh-Kumar, CR | 1 |
| Cerny, T; Hartmann, B; Junker, E; Küpfer, A; Lauterburg, BH; Nguyen, T | 1 |
| Andersson, A; Brattström, L; Hultberg, B; Israelsson, B; Lindgren, A | 1 |
| Hirose, S; Isoda, K; Kim, SS; Mitarai, T; Nagasawa, R; Tamura, H; Tokushima, H | 1 |
| Gorman, A; Griffiths, R | 1 |
| Baraban, JM; Murphy, TH; Ratan, RR | 1 |
| Gatautis, VJ; Green, R; Jacobsen, DW; Ji, J; Otto, JM; Robinson, K; Savon, SR; Secic, M; Taylor, LM | 1 |
| Hennekens, CH; Kok, FJ; Malinow, MR; Stampfer, MJ; Verhoef, P; Willett, WC | 1 |
| Cuénod, M; Do, KQ; Grandes, P; Streit, P; Zängerle, L | 1 |
| Jakubowski, H | 3 |
| Brzezinski, B; Zundel, G | 1 |
| Aarsland, A; Mansoor, MA; Svardal, AM; Ueland, PM | 1 |
| Fiskerstrand, T; Guttormsen, AB; Mansoor, AM; Refsum, H; Ueland, PM | 1 |
| Andersson, A; Brattström, L; Hultberg, B; Isaksson, A | 1 |
| Kodama, H; Kurashige, T; Okada, T; Sugahara, K; Takechi, T; Wakiguchi, H | 1 |
| Lentz, SR; Sadler, JE | 1 |
| Fiskerstrand, T; Kvalheim, G; Refsum, H; Ueland, PM | 1 |
| Fiskerstrand, T; Guttormsen, AB; Mansoor, MA; Refsum, H; Svardal, AM; Ueland, PM | 1 |
| Aukrust, P; Berge, RK; Frøland, SS; Müller, F; Svardal, AM; Ueland, PM | 2 |
| Allain, P; Bagheri, H; Cordillet, E; Le Bouil, A; Le Quay, L; Montastruc, JL | 1 |
| Lock, EA | 1 |
| González-Fernández, M; Rey de Viñas, JL; Sandoval, MC | 1 |
| Baker, ER; Baker, H; DeAngelis, B; Frank, O; Hutner, SH; Khalil, M | 1 |
| Loscalzo, J; Upchurch, GR; Welch, GN | 1 |
| Christophersen, B; Ose, L; Refsum, H; Sivertsen, M; Tonstad, S; Ueland, PM | 1 |
| Blache, D; Davignon, J; Durand, P; Fortin, LJ; Lussier-Cacan, S | 1 |
| González, JC; Matthews, RG; Peariso, K; Penner-Hahn, JE | 1 |
| Wroński, M | 1 |
| Slivka, A; Stamler, JS | 1 |
| Blom, HJ; den Heyer, M; Eskes, TK; Mariman, EC; Steegers-Theunissen, RP; Trijbels, FJ; van den Heuvel, LP; van der Put, NM | 1 |
| Crooks, R; Dudman, NP; Guo, XW; Silberberg, JS; Xie, L | 1 |
| Luft, FC | 1 |
| Blanco-Vaca, F; Córdoba-Porras, A; González-Sastre, F; Ordóñez-Llanos, J; Sánchez-Quesada, JL | 1 |
| Koch, KE; Lubec, G; Roberts, JC | 1 |
| Basu, TK; Mann, S | 1 |
| Andersson, A; Hultberg, B; Isaksson, A | 4 |
| Frei, B; Lynch, SM | 1 |
| Benz, B; Do, KQ; Magistretti, PJ; Pellerin, L; Sorg, O | 1 |
| Alexander, PW; Hibbert, DB; Hidayat, A | 1 |
| Bottiglieri, T; Farrow, A; Griener, JC; Hyland, K; Kamen, BA; Quinn, CT | 1 |
| Endres, W; Sass, JO | 1 |
| Boiocchi, M; Corona, G; Donada, C; Fabris, M; Toffoli, G; Viel, A; Zarrelli, A | 1 |
| Haber, E; Lai, K; Lee, ME; Perrella, MA; Tsai, JC; Wang, H; Yoshizumi, M | 1 |
| Deufel, T; Evers, S; Grotemeyer, KH; Koch, HG; Lange, B; Ringelstein, EB | 1 |
| Arentsen, JC; Cobbaert, C; Hoogerbrugge, N; Lindemans, J; Mulder, P | 1 |
| Bjerve, KS; Carlsen, SM; Følling, I; Grill, V; Refsum, H; Schneede, J | 1 |
| Deufel, T; Feussner, A; Rolinski, B; Roscher, AA; Weiss, N; Wolfram, G | 1 |
| Garcia, Y; Jaffe, EH | 1 |
| Drabløs, PA; Hervig, T; Hetland, O; Kristensen, O; Mansoor, MA; Osland, A; Stakkestad, JA; Woie, L | 1 |
| Anderstam, B; Bergström, J; Lindholm, B; Suliman, ME | 1 |
| Bottiglieri, T; Griener, JC; Kamen, BA; Quinn, CT | 1 |
| Hori, H; Kokkinakis, DM; Nobori, T; Schold, SC | 1 |
| Boddie, AM; Coates, RJ; Dembure, PP; Elsas, LJ; Pasquali, M; Steen, MT; Sullivan, KM | 1 |
| Athauda, SB; Mendis, S; Takashi, K | 1 |
| Donner, MG; Klein, GK; Mathes, PB; Richter, WO; Schwandt, P | 1 |
| Bald, E; Chwatko, G; Głowacki, R; Kaniowska, E; Kubalczyk, P | 1 |
| Bosoni, T; Montalbetti, L; Moratti, R; Rizzo, V; Scoglio, E; Valli, M | 1 |
| Cortese, C; Federici, G; Fucci, G; Lo Russo, A; Massoud, R; Motti, C; Pastore, A | 1 |
| Barfuss, DW; Zalups, RK | 1 |
| Clonts, B; Mujumdar, VS; Parker, JL; Smiley, LM; Tyagi, SC | 1 |
| Bengtsson, M; Broddefalk, J; Dahmén, J; Henriksson, K; Kihlberg, J; Lönn, H; Srinivasa, BR; Stenvall, K | 1 |
| Bernhard, MC; Hettinger, A; Junker, E; Lauterburg, BH | 1 |
| Boddie, AM; Dembure, PP; Elsas, LJ; Fisher, AJ; Macmahon, W; Saxe, D; Steen, MT; Sullivan, KM | 1 |
| Burnett, JP; Clark, B; Cockerham, SL; Evans, N; Kingston, AE; Lodge, D; Lowndes, J; Mayne, NG; Tomlinson, R | 1 |
| Devitt, H; Dowell, AC; Lucock, M; Schorah, CJ | 1 |
| Chang, SK; Hong, SY; Yang, DH | 1 |
| Han, Q; Hoffman, RM; Lenz, M; Miljkovic, D; Sun, X; Tan, X; Tan, Y; Tang, L; Xu, M | 1 |
| Blom, H; Büttner, T; Kretschmer, A; Kuhn, W; Müller, T; Przuntek, H; Roebroek, R; van Oppenraaij, D; Woitalla, D | 1 |
| Asker, DS; Kenyon, SH; Kerai, MD; Timbrell, JA; Waterfield, CJ | 1 |
| Briddon, A | 1 |
| Gunter, EW; Huff, DL; Pfeiffer, CM | 1 |
| Berglund, L; Berne, C; Brattström, L; Refsum, H; Ueland, PM; Wollesen, F | 1 |
| Furchgott, RF; Li, J; Liu, XJ | 1 |
| De Miguel, E; Hernanz, A; Martín-Mola, E; Plaza, A | 1 |
| Heyrovský, M; Vavricka, S | 1 |
| Asker, DS; Bates, TE; Gibbons, WA; Kenyon, SH; Kudo, M; Moss, DW; Nicolaou, A; Timbrell, JA; Waterfield, CJ | 1 |
| Glew, RH; Haynes, AL; Moss, RL; Pastuszyn, A | 1 |
| Frölich, JC; Gutzki, FM; Rossa, S; Sandmann, J; Tsikas, D | 1 |
| Bates, CJ; Berge, T; Drabløs, PA; Hervig, T; Hetland, O; Kristensen, O; Mansoor, MA; Osland, A; Pentieva, K; Rolfsen, S; Vefring, H | 1 |
| Andersson, A; Arnadottir, M; Hultberg, B; Lindgren, A; Prytz, H | 1 |
| Aranda, JV; Bardin, CL; Hoffer, LJ; Hongsprabhas, P; Kovacs, LB; Papageorgiou, AN; Saboohi, F | 1 |
| Hogg, N | 1 |
| Bruckert, E; Foglietti, MJ; Giral, P; Jacob, N; Turpin, G | 1 |
| Augier, T; Bescond, A; Chareyre, C; Charpiot, P; Garçon, D; Hornebeck, W | 1 |
| Brzvwczy, J; Hazu, T; Kawato, T; Ono, BI; Paszewski, A; Shinoda, S; Yoshida, S | 1 |
| Avila, MA; Bustos, M; Carretero, MV; Eguinoa, E; Fernández, E; García-Trevijano, ER; Mato, JM; Rodríguez, JA; Torres, L | 1 |
| Panini, R; Pasini, MC; Salvioli, G; Scarpetta, G; Ventura, P | 1 |
| Grong, K; Kvinnsland, S; Ovrebø, KK; Svanes, K; Svardal, A; Sørbye, H | 1 |
| Alger, BE; Morishita, W | 1 |
| Graefe, U; Henning, BF; Langer, K; Raidt, H; Riezler, R; Tepel, M; Zidek, W | 1 |
| El-Khairy, L; Nygård, O; Refsum, H; Ueland, PM; Vollset, SE | 1 |
| Davidson, BE; Dobric, N; Dudman, NP; Hillier, AJ; Limsowtin, GK | 1 |
| Kröning, R; Lichtenstein, AK; Nagami, GT | 1 |
| Bonham, JR; Cragg, RA; Moat, SJ; Powers, HJ | 1 |
| Demacker, PN; Hectors, MP; Peters, WH; Raijmakers, MT; Steegers, EA; Zusterzeel, PL | 1 |
| Arnalich, F; Fernández-Vivancos, E; Hernanz, A; Salazar, RM | 1 |
| Baratova, LA; Ivanov, AR; Nazimov, IV | 1 |
| Arnadottir, M; Gudnason, V; Hultberg, B | 1 |
| Bolanowska-Higdon, W; Creaven, PJ; Meropol, NJ; Murphy, M; Pendyala, L; Perez, R; Schwartz, G; Zdanowicz, J | 1 |
| Campione, AL; Lynch, SM; Moore, MK | 1 |
| Kleinman, WA; Richie, JP | 1 |
| Goodman, MT; Hernandez, B; McDuffie, K; Selhub, J; Wilkens, LR | 1 |
| Andersson, A; Hutlberg, B; Lindgren, A | 1 |
| Kowa, H; Nakashima, K; Nakaso, K; Takeshima, T; Yasui, K | 1 |
| Aebischer, CP; Beil, A; Bissé, E; Lütschg, J; Minet, JC; Wieland, H | 1 |
| Finkelstein, JD | 1 |
| Rozen, R | 1 |
| Graefe, U; Henning, BF; Tepel, M; Zidek, W | 1 |
| Gejyo, F; Kimura, H; Miyazaki, R; Suzuki, S; Takeda, T; Yoshida, H | 1 |
| Bonham, JR; Moat, SJ; Powers, HJ | 1 |
| Baines, M; Ranganath, LR; Roberts, NB | 1 |
| Bondy, SC; Campbell, A; Yang, EY | 1 |
| Banerjee, R; Green, EL; Loehr, TM; Taoka, S | 1 |
| Baumann, G; Bramlage, P; Felix, SB; Günther, C; Jarrin, A; Moobed, M; Stangl, K; Stangl, V; Staudt, A | 1 |
| Mulder, TP; Peters, WH; Raijmakers, MT; Roes, EM; Steegers, EA; Zusterzeel, PL | 1 |
| Bruckert, E; Chapman, MJ; Foglietti, MJ; Giral, P; Jacob, N; Turpin, G | 1 |
| Iradi, A; Muñiz, P; Oliva, MR; Sáez, GT; Sáez, P; Viña, J | 1 |
| Goto, K; Ichioka, K; Iwama, T; Mizuno, Y; Yamagata, S | 1 |
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| Alexandrin, VV; Bulgakova, PO; Ivanov, AV; Kubatiev, AA; Nikiforova, KA; Paltsyn, AA; Sviridkina, NB; Virus, ED | 1 |
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| Chen, J; Chen, W; Song, X; Wang, B; Yue, X; Zhang, H | 1 |
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| Huo, F; Ma, K; Wang, Y; Yin, C; Yue, Y | 1 |
| Han, HH; Huang, JM; Li, J; Sun, YH; Wang, CY; Zang, Y | 1 |
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| Gan, Y; Jiang, H; Li, H; Liu, M; Yao, S; Yin, G; Yin, P; Yu, T; Zhang, Y | 1 |
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| Cui, YX; Dong, WC; Feng, JY; Guo, JL; Jiang, Y; Wu, XK; Zhang, CX; Zhang, ZQ; Zhao, MQ | 1 |
| Man, RJ; Wang, K; Wang, W; Wang, XT; Xu, C; Yang, YS; Zhu, HL | 1 |
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| Chen, JL; Chen, YT; Cheng, D; Cui, CY; Li, B; Li, XY; Su, XC | 1 |
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| Mangoni, AA; Zinellu, A | 1 |
| Gong, J; He, S; Liu, C; Liu, Q; Zeng, X; Zhang, J | 1 |
| Wei, H; Xu, Y; Zhan, F; Zheng, Y | 1 |
| Jiang, Z; Ju, Y; Lu, J; Zhao, H | 1 |
| Li, H; Li, T; Shi, L; Wang, Q | 1 |
| Chen, K; Chen, Z; Lai, W; Li, L; Liu, H; Mao, Y; Wang, J; Xi, M; Ye, T; Yu, Q | 1 |
43 review(s) available for homocysteine and cysteine
| Article | Year |
|---|---|
Methylation & schizophrenia.
Topics: Amines; Amino Acids; Animals; Behavior, Animal; Catecholamines; Cats; Cystathionine; Cysteine; Dihydroxyphenylalanine; Drug Tolerance; Hallucinogens; Homocysteine; Humans; Indoles; Methionine; Methylation; Mice; Schizophrenia; Serine; Taurine | 1975 |
Glutamine transaminase K and cysteine conjugate beta-lyase.
Topics: Animals; Biotransformation; Chemical and Drug Induced Liver Injury; Cysteine; Homocysteine; Kidney; Lyases; Rats; Transaminases | 1990 |
[Genetic and biochemical studies on the S-amino acids biosynthetic pathway in the yeast Saccharomyces cerevisiae].
Topics: Amino Acids, Sulfur; Cysteine; Homocysteine; Homoserine; Mutation; Oxidation-Reduction; Saccharomyces cerevisiae; Sulfur Oxides | 1989 |
[Endogenous convulsants (review)].
Topics: Amino Acids; Animals; Carbolines; Cats; Cerebral Cortex; Convulsants; Cysteic Acid; Cysteine; Disease Models, Animal; Dogs; Estrogens; Folic Acid; Homocysteine; Kynurenine; Methionine; Mice; Neurotransmitter Agents; Prostaglandins; Pyridoxal Phosphate; Quinolinic Acid; Quinolinic Acids; Rats; Seizures; Spinal Cord | 1986 |
Release of neuroactive substances: homocysteic acid as an endogenous agonist of the NMDA receptor.
Topics: Animals; Aspartic Acid; Brain; Chromatography, High Pressure Liquid; Cysteine; Homocysteine; N-Methylaspartate; Neurotransmitter Agents; Receptors, N-Methyl-D-Aspartate; Receptors, Neurotransmitter; Tissue Distribution | 1988 |
Mammalian sulfur amino acid metabolism: an overview.
Topics: Amino Acids, Sulfur; Animals; Cysteine; Homocysteine; Mammals; Methionine | 1987 |
Metabolism of sulfur-containing amino acids.
Topics: Adenosylhomocysteinase; Animals; Carboxy-Lyases; Cysteine; Female; Homocysteine; Humans; Hydrolases; Isoenzymes; Liver; Male; Methionine; Methionine Adenosyltransferase; Methylation; Polyamines; S-Adenosylhomocysteine; S-Adenosylmethionine; Sulfur; Taurine; Transaminases | 1986 |
Synthesis of optically active sulfur and selenium amino acids with microbial enzymes.
Topics: Amino Acids; Bacteria; Carbon-Sulfur Lyases; Cystathionine gamma-Lyase; Cysteine; Homocysteine; Hydrolases; Lyases; Tryptophan Synthase | 1985 |
[Sulfate reduction and biosynthesis of sulfur containing amino acids (author's transl)].
Topics: Amino Acids, Sulfur; Bacteria; Cysteine; Feedback; Homocysteine; Hydrogen Sulfide; Methionine; Oxidation-Reduction; Sulfates; Sulfur; Sulfur Acids; Sulfuric Acids; Thiosulfates; Vitamin B 12 | 1974 |
[Biochemical aspects of some congenital anomalies of the metabolism of sulfur amino acids].
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Animals; Cysteine; Cystinuria; Homocysteine; Homocystinuria; Humans; Hydro-Lyases; L-Serine Dehydratase; Methionine; Rats | 1967 |
S-amino acid metabolism and its regulation in Escherichia coli and Salmonella typhimurium.
Topics: Amino Acids; Aspartic Acid; Chromosome Mapping; Chromosomes, Bacterial; Conjugation, Genetic; Cysteine; Escherichia coli; Feedback; Genes; Genes, Regulator; Homocysteine; Methionine; Methylation; Salmonella; Salmonella typhimurium; Serine; Sulfates; Transduction, Genetic | 1971 |
Biochemistry of sulfur-containing amino acids.
Topics: Adenosine; Amino Acid Metabolism, Inborn Errors; Animals; Cysteine; Deoxyadenosines; Homocysteine; Humans; Methionine; Oxidoreductases; Oxidoreductases Acting on Sulfur Group Donors; S-Adenosylmethionine; Structure-Activity Relationship; Sulfur; Sulfurtransferases; Thionucleosides; Thiosulfate Sulfurtransferase | 1983 |
Potential role of the flavin-containing monooxygenases in the metabolism of endogenous compounds.
Topics: Acetylcysteine; Animals; Cysteine; Glutathione; Homocysteine; Mammals; Methionine; Oxidation-Reduction; Oxygenases; Sulfoxides | 1995 |
Hyperhomocysteinaemia: a role in the accelerated atherogenesis of chronic renal failure?
Topics: Adult; Age Factors; Arteriosclerosis; Cystathionine beta-Synthase; Cysteine; Female; Folic Acid; Heterozygote; Homocysteine; Homocystinuria; Humans; Kidney Failure, Chronic; Male; Methionine; Methylation; Middle Aged; Renal Dialysis; Sex Factors | 1995 |
Sulphur-containing excitatory amino acids in intercellular communication.
Topics: Amino Acids, Sulfur; Animals; Brain; Cell Communication; Cysteine; Glutathione; Homocysteine; Neurotransmitter Agents | 1993 |
Biological chemistry of thiols in the vasculature and in vascular-related disease.
Topics: Animals; Blood Vessels; Cardiovascular Diseases; Cardiovascular Physiological Phenomena; Cardiovascular System; Cholesterol; Cysteine; Glutathione; Homocysteine; Humans; Sulfhydryl Compounds | 1996 |
Pathways and regulation of homocysteine metabolism in mammals.
Topics: Animals; Cystathionine; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Heme; Homocysteine; Isoenzymes; Kinetics; Mammals; Methionine; Methionine Adenosyltransferase; Organ Specificity; Oxidation-Reduction; Pyridoxal Phosphate; S-Adenosylhomocysteine; S-Adenosylmethionine; Sulfur; Tetrahydrofolates | 2000 |
Genetic modulation of homocysteinemia.
Topics: Amino Acid Substitution; Cardiovascular Diseases; Cystathionine beta-Synthase; Cysteine; Folic Acid; Gene Frequency; Genetic Predisposition to Disease; Genetic Variation; Genotype; Homocysteine; Homocystinuria; Humans; Hyperhomocysteinemia; Methylation; Methylenetetrahydrofolate Reductase (NADPH2); Methyltransferases; Mutation, Missense; Oxidoreductases Acting on CH-NH Group Donors; Point Mutation; Polymorphism, Genetic; Sulfur; Tetrahydrofolates | 2000 |
[BIOSYNTHESIS OF METHYL GROUP OF METHIONINE].
Topics: Alkylation; Amino Acids; Cysteine; Folic Acid; Homocysteine; Metabolism; Methionine; Research; Vitamin B 12 | 1964 |
[Protein S-thiolation as an antioxidative and regulatory mechanism].
Topics: Antioxidants; Cysteine; Glutathione; Homocysteine; Humans; Oxidation-Reduction; Proteins; Sulfhydryl Compounds | 2003 |
Determination of aminothiols in body fluids, cells, and tissues by capillary electrophoresis.
Topics: Body Fluids; Cells; Cysteine; Electrophoresis, Capillary; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Oxidation-Reduction; Sulfhydryl Compounds | 2004 |
Sulfur amino acid metabolism: pathways for production and removal of homocysteine and cysteine.
Topics: Amino Acids, Sulfur; Cysteine; Homocysteine; Humans; Liver; Oxidation-Reduction | 2004 |
The role of diet and nutrition in cervical carcinogenesis: a review of recent evidence.
Topics: Carotenoids; Cell Transformation, Neoplastic; Cysteine; Diet; Female; Folic Acid; Homocysteine; Humans; Methionine; Nutritional Physiological Phenomena; Uterine Cervical Neoplasms; Vitamins | 2005 |
Mechanisms of homocysteine-induced atherothrombosis.
Topics: Animals; Apolipoproteins E; Apoptosis; Arginine; Atherosclerosis; Coronary Thrombosis; Cysteine; Disease Models, Animal; Endothelium, Vascular; Homocysteine; Humans; Hyperhomocysteinemia; Inflammation; Methionine; Mice; Models, Biological; Nitric Oxide; Oxidative Stress; Oxygen; Phenotype; Signal Transduction | 2005 |
[Type I antithrombin deficiency as a cause of arterial and venous thrombosis in a family with severe thrombophilia].
Topics: Adult; C-Reactive Protein; Cholesterol; Cysteine; Female; Fibrin; Genetic Predisposition to Disease; Homocysteine; Humans; Male; Pedigree; Plasminogen Activator Inhibitor 1; Polymorphism, Genetic; Risk Factors; Threonine; Thrombophilia; Thrombosis; Venous Thrombosis; von Willebrand Factor | 2005 |
The sulfur-containing amino acids: an overview.
Topics: Allosteric Regulation; Amino Acids, Sulfur; Animals; Cysteine; Gene Expression Regulation; Homocysteine; Humans; Methionine; Proteins; S-Adenosylmethionine; Taurine | 2006 |
Adequate range for sulfur-containing amino acids and biomarkers for their excess: lessons from enteral and parenteral nutrition.
Topics: Amino Acids, Sulfur; Animals; Biomarkers; Cysteine; Dietary Supplements; Enteral Nutrition; Glutathione; Homocysteine; Humans; Methionine; Nutritional Requirements; Parenteral Nutrition; Sulfur; Taurine | 2006 |
Emerging aspects of gut sulfur amino acid metabolism.
Topics: Amino Acids, Sulfur; Biological Availability; Cysteine; DNA Methylation; Gastrointestinal Diseases; Homocysteine; Humans; Intestinal Absorption; Intestinal Mucosa; Methionine; Nutritional Physiological Phenomena; Oxidation-Reduction; S-Adenosylmethionine | 2007 |
Mechanisms through which sulfur amino acids control protein metabolism and oxidative status.
Topics: Amino Acids, Sulfur; Cysteine; Homocysteine; Models, Biological; Oxidation-Reduction; Oxidative Stress; Protein Biosynthesis; Proteins; Signal Transduction | 2008 |
Dealing with methionine/homocysteine sulfur: cysteine metabolism to taurine and inorganic sulfur.
Topics: Animals; Cysteine; Homocysteine; Humans; Metabolic Networks and Pathways; Methionine; Models, Biological; Rats; Sulfur; Sulfur Compounds; Taurine | 2011 |
Hydrogen sulfide: its production, release and functions.
Topics: Animals; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Homocysteine; Humans; Hydrogen Sulfide; Sulfurtransferases | 2011 |
Recent progress in luminescent and colorimetric chemosensors for detection of thiols.
Topics: Colorimetry; Coordination Complexes; Cysteine; DNA; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Nanostructures; Sulfhydryl Compounds | 2013 |
Thiol-addition reactions and their applications in thiol recognition.
Topics: Cysteine; Glutathione; Homocysteine; Humans; Ligands; Molecular Probes; Sulfhydryl Compounds | 2013 |
Recent advances in thiol and sulfide reactive probes.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Hydrogen Sulfide; Models, Chemical; Molecular Structure; Sulfhydryl Compounds; Sulfides | 2014 |
Analytical methods involving separation techniques for determination of low-molecular-weight biothiols in human plasma and blood.
Topics: Chromatography, High Pressure Liquid; Cysteine; Electrophoresis, Capillary; Glutathione; Homocysteine; Humans; Luminescent Measurements; Mass Spectrometry; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds | 2014 |
Hydrogen sulfide in hemostasis: friend or foe?
Topics: Animals; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Hemostasis; Homocysteine; Humans; Hydrogen Sulfide; Muscle, Smooth, Vascular; Signal Transduction | 2014 |
Homocysteine excess: delineating the possible mechanism of neurotoxicity and depression.
Topics: Cysteine; Depression; Homocysteine; Humans; Hyperhomocysteinemia; Neurotoxicity Syndromes; S-Adenosylmethionine | 2015 |
Metabolism of Sulfur-Containing Amino Acids: How the Body Copes with Excess Methionine, Cysteine, and Sulfide.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Animals; Cystathionine beta-Synthase; Cysteine; Glycine N-Methyltransferase; Homocysteine; Humans; Hydrogen Sulfide; Liver; Methionine; S-Adenosylmethionine; Serine; Sulfides; Sulfur; Thiosulfates | 2020 |
Lessons Learned from Inherited Metabolic Disorders of Sulfur-Containing Amino Acids Metabolism.
Topics: Amino Acids, Sulfur; Animals; Brain Diseases; Cysteine; Glutathione; Homocysteine; Homocystinuria; Humans; Hydrogen Sulfide; Liver; Metabolic Diseases; Metabolism, Inborn Errors; Methionine; Methionine Adenosyltransferase; Methylation; S-Adenosylmethionine; Sulfites; Sulfur; Sulfur Compounds | 2020 |
Methionine Nutrition and Metabolism: Insights from Animal Studies to Inform Human Nutrition.
Topics: Animals; Betaine; Choline; Creatine; Cysteine; Diet; Folic Acid; Glutathione; Homocysteine; Humans; Methionine; Methylation; Models, Animal; Nutritional Requirements; Nutritional Status; Phosphatidylcholines; S-Adenosylmethionine; Sulfur | 2020 |
Cysteine and related aminothiols in cardiovascular disease, obesity and insulin resistance.
Topics: Cardiovascular Diseases; Cysteine; Homocysteine; Humans; Insulin Resistance; Obesity; Oxidation-Reduction; Sulfhydryl Compounds | 2022 |
Recent Progress in the Rational Design of Biothiol-Responsive Fluorescent Probes.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Spectrometry, Fluorescence | 2023 |
Arginine, Transsulfuration, and Folic Acid Pathway Metabolomics in Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis.
Topics: Arginine; Cysteine; Folic Acid; Homocysteine; Humans; Metabolomics; Methionine; Nitric Oxide; Racemethionine; Vitamins | 2023 |
33 trial(s) available for homocysteine and cysteine
| Article | Year |
|---|---|
Homocysteine levels in patients with rheumatoid arthritis treated with low-dose methotrexate.
Topics: Arthritis, Rheumatoid; Cysteine; Double-Blind Method; Female; Folic Acid; Homocysteine; Humans; Male; Methotrexate | 1991 |
A prospective study of plasma homocyst(e)ine and risk of ischemic stroke.
Topics: Adult; Age Factors; Aged; Aged, 80 and over; Alcohol Drinking; Aspirin; beta Carotene; Brain Ischemia; Carotenoids; Case-Control Studies; Cerebrovascular Disorders; Cholesterol; Cysteine; Double-Blind Method; Follow-Up Studies; Homocysteine; Humans; Hypertension; Male; Middle Aged; Placebos; Prospective Studies; Risk Factors | 1994 |
Relation of total homocysteine and lipid levels in children to premature cardiovascular death in male relatives.
Topics: Age of Onset; Apolipoproteins B; Cardiovascular Diseases; Cause of Death; Child; Creatinine; Cysteine; Diet; Female; Homocysteine; Humans; Lipids; Lipoprotein(a); Male; Medical History Taking; Social Class; Surveys and Questionnaires; Vitamin B Complex | 1996 |
Metformin increases total serum homocysteine levels in non-diabetic male patients with coronary heart disease.
Topics: Adult; Coronary Disease; Cysteine; Folic Acid; Homocysteine; Humans; Hypoglycemic Agents; Male; Metformin; Methylmalonic Acid; Middle Aged; Vitamin B 12 | 1997 |
Time course of total cysteine, glutathione and homocysteine in plasma of patients with chronic hepatitis C treated with interferon-alpha with and without supplementation with N-acetylcysteine.
Topics: Acetylcysteine; Adult; Antiviral Agents; Cysteine; Double-Blind Method; Female; Glutathione; Hepatitis C, Chronic; Homocysteine; Humans; Interferon-alpha; Male; Time Factors | 1998 |
The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
Topics: Adult; Cysteine; Diet; Double-Blind Method; Edible Grain; Erythrocytes; Female; Folic Acid; Food, Fortified; Homocysteine; Humans; Male; Middle Aged; Placebos; Vitamin B 12 | 1998 |
Plasma total homocysteine response to oral doses of folic acid and pyridoxine hydrochloride (vitamin B6) in healthy individuals. Oral doses of vitamin B6 reduce concentrations of serum folate.
Topics: Administration, Oral; Adult; Cholesterol; Cysteine; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Lipoproteins; Male; Middle Aged; Norway; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 12 | 1999 |
Intravenous ifosfamide/mesna is associated with depletion of plasma thiols without depletion of leukocyte glutathione.
Topics: Acetaldehyde; Antineoplastic Agents, Alkylating; Cysteine; Dose-Response Relationship, Drug; Glutathione; Homocysteine; Humans; Ifosfamide; Infusions, Intravenous; Leukocytes; Mesna; Neoplasms; Oxidation-Reduction; Protective Agents; Sulfhydryl Compounds | 2000 |
Homocysteine and lipid lowering agents. A comparison between atorvastatin and fenofibrate in patients with mixed hyperlipidemia.
Topics: Atorvastatin; Biomarkers; Cholesterol, HDL; Cholesterol, LDL; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Fenofibrate; Heptanoic Acids; Homocysteine; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Hyperlipoproteinemia Type V; Hypolipidemic Agents; Male; Middle Aged; Pyrroles; Triglycerides | 2001 |
Parenteral vitamin B12 reduces hyperhomocysteinemia in end-stage renal disease.
Topics: Cysteine; Homocysteine; Humans; Hyperhomocysteinemia; Injections, Subcutaneous; Kidney Failure, Chronic; Methylmalonic Acid; Renal Dialysis; Vitamin B 12 | 2001 |
Hyperhomocysteinemia and changed plasma thiol redox status in chronic obstructive pulmonary disease.
Topics: Aged; Aged, 80 and over; Cysteine; Dipeptides; Female; Free Radicals; Glutathione; Homocysteine; Humans; Hyperhomocysteinemia; Lung Diseases, Obstructive; Male; Middle Aged; Oxidation-Reduction; Sulfhydryl Compounds | 2001 |
Investigation of relationship between reduced, oxidized, and protein-bound homocysteine and vascular endothelial function in healthy human subjects.
Topics: Administration, Oral; Adult; Brachial Artery; Cystathionine; Cysteine; Endothelium, Vascular; Female; Homocysteine; Humans; Male; Methionine; Oxidation-Reduction; Proteins; Time Factors; Vasodilation | 2001 |
Decrease of elevated N,N-dimethylglycine and N-methylglycine in human immunodeficiency virus infection during short-term highly active antiretroviral therapy.
Topics: Adult; Aged; Aged, 80 and over; Anti-HIV Agents; Antigens, CD; Antiretroviral Therapy, Highly Active; Biomarkers; Cystathionine; Cysteine; Fasting; Female; Folic Acid; HIV Infections; HIV-1; Homocysteine; Humans; Male; Methionine; Methylmalonic Acid; Middle Aged; Multivariate Analysis; Receptors, Tumor Necrosis Factor; Receptors, Tumor Necrosis Factor, Type II; Sarcosine; Vitamin B 6 | 2001 |
Impairment of vascular responses to reactive hyperemia and nitric oxide in chronic renal failure.
Topics: Blood Pressure; Creatinine; Cysteine; Endothelium, Vascular; Female; Glutathione; Homocysteine; Humans; Hyperemia; Kidney Failure, Chronic; Male; Middle Aged; Nitrates; Nitric Oxide; Nitroglycerin; Regional Blood Flow; Vasodilation; Vasodilator Agents | 2002 |
Homocysteine, cysteine, and B vitamins as predictors of kidney disease progression.
Topics: Adolescent; Adult; Aged; Analysis of Variance; Biomarkers; Blood Pressure Monitoring, Ambulatory; Cysteine; Diet, Protein-Restricted; Disease Progression; Female; Folic Acid; Homocysteine; Humans; Kidney Diseases; Male; Middle Aged; Prognosis; Pyridoxal Phosphate; Risk Factors; Vitamin B 12 | 2002 |
Vitamin B12 decreases, but does not normalize, homocysteine and methylmalonic acid in end-stage renal disease: a link with glycine metabolism and possible explanation of hyperhomocysteinemia in end-stage renal disease.
Topics: Cysteine; Genotype; Glycine; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Mutation; Oxidoreductases Acting on CH-NH Group Donors; Threonine; Vitamin B 12 | 2003 |
Regulation of sulfur amino acid metabolism in men in response to changes in sulfur amino acid intakes.
Topics: Adult; Amino Acids, Sulfur; Carbon Isotopes; Cross-Over Studies; Cysteine; Deuterium; Diet; Dietary Proteins; Homocysteine; Humans; Kinetics; Male; Methionine; Methylation; Nutritional Requirements | 2003 |
N-Acetylcysteine improves the disturbed thiol redox balance after methionine loading.
Topics: Acetylcysteine; Adult; Antioxidants; Cross-Over Studies; Cysteine; Female; Homocysteine; Humans; Lipid Peroxidation; Male; Methionine; Oxidation-Reduction; Oxidative Stress; Reactive Oxygen Species; Sulfhydryl Compounds | 2003 |
Urinary and plasma homocysteine and cysteine levels during prolonged oral N-acetylcysteine therapy.
Topics: Acetylcysteine; Administration, Oral; Adult; Chromatography, High Pressure Liquid; Cysteine; Dose-Response Relationship, Drug; Expectorants; Female; Homocysteine; Humans; Male; Middle Aged | 2003 |
Oral and transdermal estrogens both lower plasma total homocysteine in male-to-female transsexuals.
Topics: Administration, Cutaneous; Administration, Oral; Adult; Androstane-3,17-diol; Biomarkers; C-Reactive Protein; Creatinine; Cyproterone Acetate; Cysteine; Estradiol; Estrogens; Female; Fibrinogen; Folic Acid; Follicle Stimulating Hormone; Homocysteine; Humans; Luteinizing Hormone; Male; Middle Aged; Randomized Controlled Trials as Topic; Serum Albumin; Statistics as Topic; Testosterone; Time Factors; Transsexualism | 2003 |
Effect of folic acid on fenofibrate-induced elevation of homocysteine and cysteine.
Topics: Cholesterol; Creatinine; Cysteine; Female; Fenofibrate; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Hyperlipidemias; Hypolipidemic Agents; Male; Middle Aged; Prospective Studies; Statistics as Topic; Triglycerides; Uric Acid | 2003 |
Relationship between S-adenosylmethionine, S-adenosylhomocysteine, asymmetric dimethylarginine, and endothelial function in healthy human subjects during experimental hyper- and hypohomocysteinemia.
Topics: Acetylcysteine; Adult; Arginine; Blood Flow Velocity; Brachial Artery; Cross-Over Studies; Cystathionine; Cysteine; Dipeptides; Double-Blind Method; Endothelium, Vascular; Female; Homocysteine; Humans; Hyperhomocysteinemia; Kinetics; Male; Methionine; Placebos; S-Adenosylhomocysteine; S-Adenosylmethionine; Vasodilation | 2005 |
L-folic acid supplementation in healthy postmenopausal women: effect on homocysteine and glycolipid metabolism.
Topics: Blood Glucose; Cardiovascular Diseases; Cholesterol, HDL; Cholesterol, LDL; Cysteine; Energy Metabolism; Female; Folic Acid; Hematinics; Homocysteine; Humans; Hyperhomocysteinemia; Insulin; Middle Aged; Postmenopause; Risk Factors; Risk Reduction Behavior | 2005 |
Homocysteine serum levels and MTHFR C677T genotype in patients with Parkinson's disease, with and without levodopa therapy.
Topics: Adult; Aged; Aged, 80 and over; Antiparkinson Agents; Cysteine; Female; Homocysteine; Humans; Levodopa; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Parkinson Disease; Threonine; Time Factors | 2006 |
Comparison of carbamazepine and oxcarbazepine effects on aminothiol levels.
Topics: Adolescent; Adult; Anticonvulsants; Carbamazepine; Cardiovascular Diseases; Cysteine; Dipeptides; Epilepsy; Female; Homocysteine; Humans; Male; Middle Aged; Oxcarbazepine; Risk Factors | 2008 |
Increasing the number of SNP loci does not necessarily improve prediction power at least in the comparison of MTHFR SNP and haplotypes.
Topics: Atherosclerosis; Cysteine; Double-Blind Method; Folic Acid; Genetic Markers; Haplotypes; Homocysteine; Humans; Linkage Disequilibrium; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Nerve Tissue Proteins; Polymorphism, Single Nucleotide; Predictive Value of Tests; Sequence Analysis, DNA; Threonine; Tokyo; Vitamin B Complex | 2008 |
Acute benzodiazepine administration induces changes in homocysteine metabolism in young healthy volunteers.
Topics: Adolescent; Adult; Age Factors; Benzodiazepines; Cross-Over Studies; Cysteine; Double-Blind Method; Female; Homocysteine; Humans; Male; Young Adult | 2009 |
Cysteine: a potential biomarker for obstructive sleep apnea.
Topics: Analysis of Variance; Biomarkers; Case-Control Studies; Chi-Square Distribution; Continuous Positive Airway Pressure; Cysteine; Echocardiography; Electrocardiography; Female; Homocysteine; Humans; Male; Middle Aged; Obesity; Polysomnography; Risk Factors; Sleep Apnea, Obstructive; Vitamins | 2011 |
An encapsulated juice powder concentrate improves markers of pulmonary function and cardiovascular risk factors in heavy smokers.
Topics: Adult; Biomarkers; Capsules; Carbon Monoxide; Cardiovascular Diseases; Cysteine; Dietary Supplements; Female; Folic Acid; Fruit; Homocysteine; Humans; Lung; Male; Middle Aged; Plant Preparations; Powders; Respiration; Risk Factors; Smoking; Tobacco Products; Vegetables | 2013 |
Short-term creatine supplementation does not reduce increased homocysteine concentration induced by acute exercise in humans.
Topics: Adolescent; Creatine; Cysteine; Dietary Supplements; Double-Blind Method; Energy Intake; Exercise; Feeding Behavior; Folic Acid; Glycine; Healthy Volunteers; Homocysteine; Humans; Male; Methionine; S-Adenosylmethionine; Soccer; Vitamin B 12 | 2014 |
Oral N-acetylcysteine reduces plasma homocysteine concentrations regardless of lipid or smoking status.
Topics: Acetylcysteine; Administration, Oral; Adult; Antihypertensive Agents; Antioxidants; Biotransformation; Cholesterol; Cysteine; Double-Blind Method; Glutathione; Homocysteine; Humans; Hyperhomocysteinemia; Hyperlipidemias; Hypertension; Leukocytes, Mononuclear; Male; Middle Aged; Smoking; Triglycerides | 2015 |
Homocysteinemia control by cysteine in cerebral vascular patients after methionine loading test: evidences in physiological and pathological conditions in cerebro-vascular and multiple sclerosis patients.
Topics: Adult; Cerebrovascular Disorders; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methionine; Middle Aged; Multiple Sclerosis; Serum Albumin, Human | 2016 |
Effects of Ramipril and Telmisartan on Plasma Concentrations of Low Molecular Weight and Protein Thiols and Carotid Intima Media Thickness in Patients with Chronic Kidney Disease.
Topics: Aged; Antihypertensive Agents; Benzimidazoles; Benzoates; Carotid Arteries; Cysteine; Drug Combinations; Female; Homocysteine; Humans; Male; Middle Aged; Ramipril; Renal Insufficiency, Chronic; Telmisartan; Tunica Intima | 2016 |
993 other study(ies) available for homocysteine and cysteine
| Article | Year |
|---|---|
Double edge redox-implications for the interaction between endogenous thiols and copper ions: In vitro studies.
Topics: Ascorbic Acid; Cations, Divalent; Copper; Cysteine; Electron Spin Resonance Spectroscopy; Free Radical Scavengers; Glutathione; Oxidation-Reduction; Sulfhydryl Compounds; Time Factors | 2008 |
Purification and properties of S-adenosyl-L-homocysteine hydrolase from leaves of spinach beet.
Topics: Adenine; Cysteine; Deoxyadenosines; Homocysteine; Hydrogen-Ion Concentration; Hydrolases; Kinetics; Methionine; Plants; S-Adenosylhomocysteine; S-Adenosylmethionine | 1976 |
Formation of ethylene by Escherichia coli.
Topics: Aerobiosis; Anaerobiosis; Cell-Free System; Cysteine; Escherichia coli; Ethylenes; Homocysteine; Hydrogen-Ion Concentration; Light; Methionine; Stereoisomerism; Temperature | 1976 |
Exchange reactions catalyzed by methioninase from Pseudomonas putida. Isolation and characterization of the exchange products.
Topics: Carbon-Sulfur Lyases; Cysteine; Homocysteine; Hydrogen-Ion Concentration; Lyases; Pseudomonas; Spectrum Analysis; Sulfhydryl Compounds | 1976 |
The detection of cysteine-homocysteine mixed disulphide in plasma of normal fasting man.
Topics: Adult; Amino Acids, Sulfur; Chromatography, Ion Exchange; Cysteine; Disulfides; Fasting; Female; Homocysteine; Humans; Male; Middle Aged | 1978 |
Sulphr containing amino acids in chronic renal failure with particular reference to homocystine and cysteine-homocysteine mixed disulphide.
Topics: Amino Acids, Sulfur; Creatinine; Cysteine; Cystine; Dipeptides; Disulfides; Female; Homocysteine; Humans; Kidney Failure, Chronic; Leucine; Male; Methionine; Middle Aged; Phenylalanine; Taurine; Tyrosine | 1979 |
Alternate reasons for atherogenesis in uremia.
Topics: Adenosine Triphosphatases; Arteriosclerosis; Cysteine; Homocysteine; Humans; Nitrogen; Renal Dialysis; Uremia | 1977 |
The behavioral effects of L-methionine and related compounds in rats and mice.
Topics: Animals; Avoidance Learning; Behavior, Animal; Betaine; Brain; Brain Chemistry; Circadian Rhythm; Conditioning, Operant; Cysteine; Electroencephalography; Eye Movements; Histidine; Homocysteine; Methionine; Mice; Mice, Inbred C57BL; Niacinamide; Rats; Serine; Sleep; Sleep, REM; Wakefulness | 1975 |
Variant human diploid fibroblast clones able to grow in homocysteine in place of cyst(e)ine.
Topics: Cell Division; Cell Line; Clone Cells; Cysteine; Cystine; Diploidy; Fibroblasts; Genetic Variation; Homocysteine; Mesylates; Methylnitronitrosoguanidine; Mutation | 1975 |
Regulation of s-amino acids biosynthesis in Saccharomycopsis lipolytica.
Topics: Amino Acids, Sulfur; Arylsulfatases; Ascomycota; Cysteine; Cysteine Synthase; Homocysteine; Methionine; Mutation; Saccharomycopsis | 1979 |
Mechanism of methylmercury release from bound type in bloodstream or tissues.
Topics: Alcohol Oxidoreductases; Cysteine; Homocysteine; Humans; Kinetics; L-Lactate Dehydrogenase; Male; Methylmercury Compounds; Selenium | 1979 |
Cysteine-homocysteine mixed disulphide: differing plasma concentrations in normal men and women.
Topics: Adult; Amino Acids; Cysteine; Cystine; Disulfides; Female; Homocysteine; Humans; Isoleucine; Leucine; Male; Methionine; Middle Aged; Valine | 1979 |
Inhibition of human and mouse brain glutamate decarboxylase by the alpha-keto analogs of cysteine and homocysteine.
Topics: Animals; Brain; Carboxy-Lyases; Cysteine; Glutamate Decarboxylase; Homocysteine; Humans; Mice; Pyruvates; Sulfhydryl Compounds | 1978 |
Sulfur amino acid activity of D- and L-homocystein for chicks.
Topics: Animals; Chickens; Choline; Cysteine; Diet; Female; Homocysteine; Isomerism; Male; Methionine | 1978 |
Maintenance of glutathione content is isolated hepatocyctes.
Topics: Animals; Cell Separation; Cysteine; Female; Glutathione; Homocysteine; In Vitro Techniques; Liver; Methionine; Rats; Serine | 1978 |
Homocysteine biosynthesis in green plants. Physiological importance of the transsulfuration pathway in Chlorella sorokiniana growing under steady state conditions with limiting sulfate.
Topics: Chlorella; Cysteine; Homocysteine; Kinetics; Plant Proteins; Sulfates | 1978 |
Determination of cysteine in plasma and urine and homocysteine in plasma by high-pressure liquid chromatography.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Electrochemistry; Homocysteine; Humans; Male; Methods | 1978 |
[Vitamin B 12 dependent methionine biosynthesis in pseudomonas aeruginosa].
Topics: Cysteine; Homocysteine; Methionine; Methylnitronitrosoguanidine; Mutagens; Pseudomonas aeruginosa; Stereoisomerism; Vitamin B 12 | 1975 |
Biosynthesis and metabolism of cystathionine in Astragalus pectinatus.
Topics: Cystathionine; Cysteine; Homocysteine; Methionine; Plants; Sulfur | 1977 |
Homocysteine and cysteine loads in patients with homocystinuria due to cystathionine synthase deficiency: effects of vitamin B-6.
Topics: Cystathionine beta-Synthase; Cysteine; Cystine; Cystinuria; Disulfides; Female; Homocysteine; Homocystine; Homocystinuria; Humans; Hydro-Lyases; Male; Pyridoxine; Time Factors | 1977 |
[Utilization of inorganic sulfur sources by Staphylococcus aureus strains].
Topics: Bacterial Proteins; Cysteic Acid; Cysteine; Cystine; Genetic Variation; Homocysteine; Homocystine; Methionine; Staphylococcus aureus; Sulfides; Sulfur; Thioglycolates; Thiosulfates | 1977 |
Mobilization of methyl mercury in vivo and vitro using N-acetyl-DL-penicillamine and other complexing agents.
Topics: Animals; Brain Chemistry; Chelating Agents; Cysteine; Dose-Response Relationship, Drug; Drug Interactions; Female; Glutathione; Homocysteine; Methylmercury Compounds; Mice; Penicillamine | 1976 |
Enzymatic lesions in methionine mutants of Aspergillus nidulans: role and regulation of an alternative pathway for cysteine and methionine synthesis.
Topics: Aspergillus nidulans; Cystathionine; Cysteine; Genes, Regulator; Glutathione; Homocysteine; Lyases; Methionine; Mutation; Suppression, Genetic; Taurine | 1975 |
Oxidative side reactions during dansylation of SH-compounds.
Topics: Amino Acids; Chromatography, Gel; Cysteamine; Cysteine; Disulfides; Fluorescence; Homocysteine; Oxidation-Reduction; Sulfhydryl Compounds | 1976 |
Automated microanalysis of sulfur containing amino acids and their derivatives.
Topics: Amino Acids; Autoanalysis; Cells, Cultured; Cysteine; Cystinosis; Disulfides; Ethylmaleimide; Fibroblasts; Glutathione; Homocysteine; Humans; Methionine; Methods; Sulfur | 1976 |
Comparison of cobalamin-independent and cobalamin-dependent methionine synthases from Escherichia coli: two solutions to the same chemical problem.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Alkylation; Amino Acid Sequence; Base Sequence; Cloning, Molecular; Cysteine; Escherichia coli; Homocysteine; Iodoacetamide; Methionine; Molecular Sequence Data; Recombinant Proteins; Restriction Mapping; Tetrahydrofolates; Tosyllysine Chloromethyl Ketone; Tosylphenylalanyl Chloromethyl Ketone; Trypsin; Vitamin B 12 | 1992 |
Release of endogenous amino acids, including homocysteic acid and cysteine sulphinic acid, from rat hippocampal slices evoked by electrical stimulation of Schaffer collateral-commissural fibres.
Topics: Amino Acids; Animals; Aspartic Acid; Cysteine; Electric Stimulation; Evoked Potentials; gamma-Aminobutyric Acid; Glutamates; Glutamic Acid; Glycine; Hippocampus; Homocysteine; In Vitro Techniques; Kinetics; Male; Methionine; Nerve Fibers; Neurotransmitter Agents; Pyramidal Tracts; Rats; Rats, Inbred Strains; Time Factors | 1992 |
Sulphur-containing excitatory amino acid-evoked Ca(2+)-independent release of D-[3H]aspartate from cultured cerebellar granule cells: the role of glutamate receptor activation coupled to reversal of the acidic amino acid plasma membrane carrier.
Topics: Animals; Aspartic Acid; Calcium; Carrier Proteins; Cell Membrane; Cells, Cultured; Cerebellum; Cysteine; Glutamates; Homocysteine; Mice; Mice, Inbred Strains; Neurons; Neurotransmitter Agents; Quinoxalines; Rats; Rats, Wistar; Receptors, Glutamate; Synaptosomes; Tritium | 1992 |
Physiological analysis of mutants of Saccharomyces cerevisiae impaired in sulphate assimilation.
Topics: Cysteine; Genes, Fungal; Homocysteine; Methionine; Mutation; Oxidation-Reduction; Oxidoreductases Acting on Sulfur Group Donors; S-Adenosylmethionine; Saccharomyces cerevisiae; Sulfates; Sulfides; Sulfites; Thiosulfates | 1992 |
Patients with homocystinuria: high metal concentrations in hair, blood and urine.
Topics: Adult; Animals; Brain; Cysteine; Female; Hair; Homocysteine; Homocystinuria; Humans; Male; Metals; Methylmercury Compounds; Rats; Rats, Wistar; Reference Values; Tissue Distribution | 1992 |
Comparative metabolism of the cysteine and homocysteine conjugates of propachlor by in situ perfused kidneys of rats.
Topics: Acetanilides; Acetylcysteine; Animals; Chemotherapy, Cancer, Regional Perfusion; Cysteine; Gas Chromatography-Mass Spectrometry; Herbicides; Homocysteine; Kidney; Rats; Rats, Inbred Strains | 1992 |
Capillary zone electrophoretic detection of biological thiols and their S-nitrosated derivatives.
Topics: Bradykinin; Cysteine; Cystine; Disulfides; Electrodes; Electrophoresis; Glutathione; Homocysteine; Homocystine; Nitrosation; Sulfhydryl Compounds | 1992 |
Attenuation of immunologic reactivity of lipoprotein(a) by thiols and cysteine-containing compounds. Structural implications.
Topics: Acetylcysteine; Apolipoproteins A; Apolipoproteins B; Blotting, Western; Cysteine; Dithiothreitol; Enzyme-Linked Immunosorbent Assay; Homocysteine; Humans; Lipoprotein(a); Lipoproteins; Male; Mercaptoethanol; Molecular Structure; Sulfhydryl Compounds | 1992 |
Excess levels of cysteine and homocysteine induce tibial dyschondroplasia in broiler chicks.
Topics: Ammonium Sulfate; Animals; Body Weight; Chickens; Copper; Cysteine; Female; Homocysteine; Homocystine; Male; Osteochondrodysplasias; Poultry Diseases; Random Allocation; Tibia | 1992 |
Dynamic relation between reduced, oxidized, and protein-bound homocysteine and other thiol components in plasma during methionine loading in healthy men.
Topics: Adult; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Kinetics; Male; Methionine; Oxidation-Reduction; Protein Binding; Sulfhydryl Compounds | 1992 |
Determination of the in vivo redox status of cysteine, cysteinylglycine, homocysteine, and glutathione in human plasma.
Topics: Borohydrides; Chromatography, Liquid; Cysteine; Dipeptides; Ethylmaleimide; Female; Glutathione; Homocysteine; Humans; Indicators and Reagents; Male; Oxidation-Reduction; Reference Values; Sex Characteristics; Spectrometry, Fluorescence | 1992 |
The influence of assay conditions on measurement of excitatory dibasic sulphinic and sulphonic alpha-amino acids in nervous tissue.
Topics: Amino Acids, Sulfur; Animals; Chromatography, High Pressure Liquid; Cysteine; Freeze Drying; Homocysteine; Hydrogen-Ion Concentration; Male; Nerve Tissue; Neurotransmitter Agents; Oxidation-Reduction; Perchlorates; Rats; Rats, Inbred Strains; Reference Standards; Solvents; Trichloroacetic Acid | 1991 |
Glutamate uptake into synaptic vesicles--inhibition by sulphur amino acids.
Topics: Animals; Biological Transport; Cerebral Cortex; Cysteine; Glutamates; Glutamic Acid; Homocysteine; Kinetics; Male; Neurotransmitter Agents; Rats; Rats, Inbred Strains; Stereoisomerism; Structure-Activity Relationship; Synaptic Vesicles | 1991 |
Electrogenic uptake of sulphur-containing analogues of glutamate and aspartate by Müller cells from the salamander retina.
Topics: Amino Acids, Sulfur; Animals; Aspartic Acid; Cysteic Acid; Cysteine; Evoked Potentials; Glutamates; Homocysteine; Neurotoxins; Neurotransmitter Agents; Potassium; Retina; Sodium; Urodela | 1991 |
Biochemical characterisation of the enzyme responsible for "activated L-serine sulphydrase" activity in nematodes.
Topics: Animals; Anthelmintics; Cystathionine beta-Synthase; Cysteamine; Cysteine; Haemonchus; Homocysteine; Kinetics; Liver; Nematoda; Nippostrongylus; Phenols; Pyridoxal Phosphate; Rats; Substrate Specificity | 1992 |
The cysteine transport system of Saccharomyces cerevisiae.
Topics: Biological Transport; Culture Media; Cysteine; Edetic Acid; Glutathione; Homocysteine; Hydrogen-Ion Concentration; Kinetics; Mercuric Chloride; Methionine; Potassium Permanganate; Saccharomyces cerevisiae; Sulfuric Acids | 1991 |
Human arterial endothelial cell detachment in vitro: its promotion by homocysteine and cysteine.
Topics: Amino Acids; Cell Adhesion; Cells, Cultured; Cysteine; Dose-Response Relationship, Drug; Endothelium, Vascular; Fibronectins; Homocysteine; Humans; Hydrogen Peroxide | 1991 |
Modulation of glutathione content and the effect on methionine auxotrophy and cellular distribution of homocysteine and cysteine in mouse cell lines.
Topics: Animals; Antimetabolites; Buthionine Sulfoximine; Cell Division; Cell Line; Culture Media; Cystamine; Cysteamine; Cysteine; Fibroblasts; Glutathione; Homocysteine; Intracellular Fluid; Leukemia, Experimental; Methionine; Methionine Sulfoximine; Mice | 1991 |
Identification of the structural gene for glucose-6-phosphate dehydrogenase in yeast. Inactivation leads to a nutritional requirement for organic sulfur.
Topics: Amino Acid Sequence; Base Sequence; Cloning, Molecular; Cysteine; Escherichia coli; Gene Expression Regulation, Fungal; Genes, Fungal; Genotype; Glucosephosphate Dehydrogenase; Glutathione; Homocysteine; Humans; Kinetics; Methionine; Molecular Sequence Data; Mutagenesis; Phenotype; Restriction Mapping; S-Adenosylmethionine; Saccharomyces cerevisiae; Sequence Homology, Nucleic Acid; Transcription, Genetic | 1991 |
Inhibition of GSH efflux from rat liver by methionine: effects of GSH synthesis in cells and perfused organ.
Topics: Alkynes; Amino Acids; Animals; Cells, Cultured; Cysteine; Glutathione; Glycine; Homocysteine; Kinetics; Liver; Male; Methionine; Pargyline; Perfusion; Rats; Rats, Inbred Strains; Serine | 1990 |
Homocysteine uptake by human umbilical vein endothelial cells in culture.
Topics: Amino Acids; Biological Transport; Cells, Cultured; Cysteine; Endothelium, Vascular; Homocysteine; Humans; In Vitro Techniques; Kinetics; Sodium | 1990 |
Perturbations of intracellular calcium distribution in kidney cells by nephrotoxic haloalkenyl cysteine S-conjugates.
Topics: Animals; Calcium; Cell Line; Cysteine; Homeostasis; Homocysteine; Kidney; Mitochondria; Probenecid; Swine | 1990 |
The effects of haloalkene cysteine conjugates on cytosolic free calcium levels in suspensions of rat renal proximal tubules.
Topics: Animals; Butadienes; Calcium; Cysteine; Cytosol; Homocysteine; Hydrocarbons, Fluorinated; In Vitro Techniques; Kidney Tubules, Proximal; Male; Oxygen Consumption; Rats; Rats, Inbred Strains | 1990 |
Cysteamine increases homocysteine export and glutathione content by independent mechanisms in C3H/10T1/2 cells.
Topics: Animals; Biological Transport; Cells, Cultured; Cysteamine; Cysteine; Dose-Response Relationship, Drug; Glutathione; Homocysteine; Mice | 1990 |
Hepatic content of S-adenosylmethionine, S-adenosylhomocysteine and glutathione in rats receiving treatments modulating methyl donor availability.
Topics: Animals; Biomarkers; Choline Deficiency; Cysteine; Diet; Fatty Liver; Folic Acid Deficiency; Glutathione; Homocysteine; Lipids; Liver; Male; Methionine; Methylation; Niacinamide; Rats; Rats, Inbred Strains; S-Adenosylhomocysteine; S-Adenosylmethionine | 1989 |
Plasma sulfhydryl-containing amino acids in patients with cerebral infarction and in hypertensive subjects.
Topics: Adult; Aged; Cerebral Hemorrhage; Cerebral Infarction; Creatinine; Cysteine; Dipeptides; Female; Homocysteine; Humans; Hypertension; Male; Middle Aged; Uric Acid | 1989 |
Intensification of tumor affinity of 99mTc-DL-homocysteine by cooperative use of SH-containing compounds.
Topics: Animals; Carcinoma, Ehrlich Tumor; Cysteine; Glutathione; Homocysteine; Male; Mice; Organotechnetium Compounds; Radionuclide Imaging | 1989 |
The simultaneous determination of oxidized and reduced glutathiones in liver tissue by ion pairing reverse phase high performance liquid chromatography with a coulometric electrochemical detector.
Topics: Animals; Bile; Chromatography, High Pressure Liquid; Cystathionine; Cysteine; Electrochemistry; Glutathione; Homocysteine; Liver; Male; Methionine; Oxidation-Reduction; Rats | 1989 |
Free and protein-bound homocysteine and cysteine in cystathionine beta-synthase deficiency: interrelations during short- and long-term changes in plasma concentrations.
Topics: Adult; Betaine; Blood Proteins; Cystathionine beta-Synthase; Cysteine; Homocysteine; Homocystinuria; Humans; Hydro-Lyases; Kinetics; Male; Methionine; Protein Binding | 1989 |
Changes in plasma methionine and total homocysteine levels in patients receiving methotrexate infusions.
Topics: Adolescent; Adult; Burkitt Lymphoma; Child; Cysteine; Homocysteine; Humans; Infusions, Intravenous; Kinetics; Methionine; Methotrexate; Models, Theoretical; Osteosarcoma; Precursor Cell Lymphoblastic Leukemia-Lymphoma | 1989 |
L-Homocysteic acid as an alternative cytotoxin for studying glutamate-induced cellular degeneration of Huntington's disease and normal skin fibroblasts.
Topics: Aspartic Acid; Cell Survival; Cells, Cultured; Cysteic Acid; Cysteine; Fibroblasts; Glutamates; Glutamic Acid; Homocysteine; Humans; Huntington Disease; In Vitro Techniques; Isomerism; Kainic Acid; Kinetics; N-Methylaspartate; Neurotransmitter Agents; Skin; Time Factors | 1985 |
Homocysteic acid, an endogenous agonist of NMDA-receptor: release, neuroactivity and localization.
Topics: Amino Acids; Animals; Antibodies, Monoclonal; Cats; Caudate Nucleus; Cysteine; Homocysteine; In Vitro Techniques; Kainic Acid; Membrane Potentials; Neurotransmitter Agents; Oxadiazoles; Quisqualic Acid; Rats; Receptors, N-Methyl-D-Aspartate; Receptors, Neurotransmitter | 1986 |
Inactivation of gamma-glutamylcysteine synthetase, but not of glutamine synthetase, by S-sulfocysteine and S-sulfohomocysteine.
Topics: Animals; Brain; Cystamine; Cysteine; Glutamate-Ammonia Ligase; Glutamate-Cysteine Ligase; Homocysteine; Kidney; Kinetics; Magnesium; Manganese; Peptide Synthases; Rats; Sheep; Stereoisomerism | 1987 |
Mutagenicity of amino acid and glutathione S-conjugates in the Ames test.
Topics: Acetylcysteine; Animals; Carbon-Sulfur Lyases; Cysteine; gamma-Glutamyltransferase; Glutathione; Homocysteine; Kidney; Liver; Lyases; Rats; Salmonella typhimurium; Structure-Activity Relationship | 1988 |
Uptake of nephrotoxic S-conjugates by isolated rat renal proximal tubular cells.
Topics: Aminooxyacetic Acid; Animals; Biological Transport; Cysteine; Homocysteine; In Vitro Techniques; Kidney Tubules, Proximal; Male; Probenecid; Rats; Rats, Inbred F344; Sodium | 1989 |
Recognition of aminoethylhomocysteine and aminopropylcysteine by aminoacid transport systems and aminoacyl tRNA synthetases.
Topics: Amino Acids; Amino Acyl-tRNA Synthetases; Animals; Arginine; Binding Sites; Biological Transport; Cricetinae; Cricetulus; Cysteine; Escherichia coli; Homocysteine; Lysine; Structure-Activity Relationship | 1987 |
Reaction of low molecular weight aminothiols with o-phthalaldehyde.
Topics: Aldehydes; Amines; Cysteine; Glutathione; Hexokinase; Homocysteine; Kinetics; o-Phthalaldehyde; Spectrometry, Fluorescence; Sulfhydryl Compounds; Thermodynamics | 1988 |
Growth support and toxicity of homocysteine and its effects on methionine metabolism in non-transformed and chemically transformed C3H/10T1/2 cells.
Topics: Animals; Cell Division; Cell Line; Cysteine; Dose-Response Relationship, Drug; Glutathione; Homocysteine; Homocystine; Methionine; Mice; Mice, Inbred C3H; S-Adenosylhomocysteine; S-Adenosylmethionine; Tumor Cells, Cultured | 1988 |
Elevation of total homocysteine in the serum of patients with cobalamin or folate deficiency detected by capillary gas chromatography-mass spectrometry.
Topics: Adult; Aged; Aged, 80 and over; Cysteine; Female; Folic Acid Deficiency; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Methionine; Middle Aged; Vitamin B 12 Deficiency | 1988 |
Measurement of plasma thiols after derivatization with monobromobimane.
Topics: Bridged Bicyclo Compounds; Chromatography, High Pressure Liquid; Cysteine; Glutathione; Homocysteine; Humans; Penicillamine; Sulfhydryl Compounds; Ultrafiltration | 1988 |
Determination of free and total homocysteine in human plasma by high-performance liquid chromatography with fluorescence detection.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Female; Homocysteine; Humans; Male; Spectrometry, Fluorescence; Sulfhydryl Compounds | 1987 |
Metabolic activation and detoxication of nephrotoxic cysteine and homocysteine S-conjugates.
Topics: Acetylation; Animals; Biotransformation; Cell Survival; Chromatography, High Pressure Liquid; Cystathionine gamma-Lyase; Cysteine; Homocysteine; Inactivation, Metabolic; Kidney; Kidney Tubules, Proximal; Male; Rats | 1986 |
Sulfur amino acids in maintenance hemodialysis patients.
Topics: Adult; Amino Acids, Sulfur; Cysteine; Female; Homocysteine; Homocystinuria; Humans; Male; Middle Aged; Renal Dialysis | 1987 |
Quantitation of total homocysteine, total cysteine, and methionine in normal serum and urine using capillary gas chromatography-mass spectrometry.
Topics: Amino Acids; Animals; Cysteine; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Methionine; Rats; Reference Values | 1987 |
Mechanism of S-(1,2-dichlorovinyl)-L-cysteine- and S-(1,2-dichlorovinyl)-L-homocysteine-induced renal mitochondrial toxicity.
Topics: Adenosine Triphosphate; Cysteine; Glutathione; Homocysteine; Kidney; Lipid Peroxides; Mitochondria; Oxidative Phosphorylation; Oxygen Consumption | 1987 |
Toxicity, distribution, and elimination of thiol complexes of methylmercury after intracerebral injection.
Topics: Analysis of Variance; Animals; Brain; Chromatography, Thin Layer; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Injections, Intraventricular; Methylmercury Compounds; Mice; Sulfhydryl Compounds; Tissue Distribution | 1986 |
Homocystinuria due to cystathionine beta-synthase deficiency--the effects of betaine treatment in pyridoxine-responsive patients.
Topics: Adolescent; Adult; Betaine; Child; Cystathionine beta-Synthase; Cysteine; Drug Therapy, Combination; Female; Folic Acid; Homocysteine; Homocystinuria; Humans; Hydro-Lyases; Male; Methionine; Middle Aged; Pyridoxine; Serine | 1985 |
In vitro release of endogenous excitatory sulfur-containing amino acids from various rat brain regions.
Topics: Amino Acids, Sulfur; Animals; Brain; Cysteic Acid; Cysteine; Homocysteine; In Vitro Techniques; Male; Neurotransmitter Agents; Potassium; Rats; Tissue Distribution; Veratrine | 1986 |
Effects of cysteine and structurally related compounds on ochratoxin production by Aspergillus ochraceus.
Topics: Aspergillus; Aspergillus ochraceus; Cysteine; Cystine; Ethionine; Glutathione; Homocysteine; Hydrogen-Ion Concentration; Methionine; Ochratoxins | 1985 |
Studies on a possible simultaneous differential demonstration of SH groups and S-S bonds.
Topics: Animals; Cysteine; Cystine; Disulfides; Ethylmaleimide; Evaluation Studies as Topic; Histocytochemistry; Homocysteine; Hydrogen-Ion Concentration; Indicators and Reagents; Liver; Methionine; Methods; Mice; Nerve Tissue; Staining and Labeling; Sulfhydryl Compounds | 1973 |
Redistribution of pyridoxal phosphate in the male rat liver as a result of repeated injections of hydrocortisone.
Topics: Alanine Transaminase; Animals; Aspartic Acid; Carboxy-Lyases; Cystathionine; Cysteine; Dose-Response Relationship, Drug; Homocysteine; Homoserine; Hydro-Lyases; Hydrocortisone; L-Serine Dehydratase; Liver; Lyases; Male; Pyridoxal Phosphate; Rats; Seasons; Serine; Time Factors; Tyrosine Transaminase | 1973 |
Studies on the identity of the optic nerve transmitter.
Topics: Acetylcholine; Acoustic Stimulation; Amino Acids; Aminobutyrates; Animals; Aspartic Acid; Auditory Cortex; Cats; Cysteine; Electric Stimulation; Ergothioneine; Geniculate Bodies; Glutamates; Homocysteine; Neural Pathways; Neurotransmitter Agents; Optic Nerve; Photic Stimulation; Serotonin; Synaptic Transmission; Visual Cortex | 1973 |
Stereospecific irreversible inhibition of histidine ammonia-lyase by L-cysteine.
Topics: Ammonia-Lyases; Animals; Binding Sites; Binding, Competitive; Carbon Radioisotopes; Cattle; Chromatography, Gel; Cysteine; Dithiothreitol; Edetic Acid; Erythrocytes; Histidine; Histidine Ammonia-Lyase; Homocysteine; Hydrogen-Ion Concentration; Isomerism; Kinetics; Macromolecular Substances; Mercaptoethanol; Oxygen; Protein Binding; Pseudomonas; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Sulfhydryl Compounds; Sulfur Radioisotopes; Superoxide Dismutase; Time Factors | 1974 |
Further syntheses in the study of structure-activity relationships of neuropharmacologically active amino acids.
Topics: Amino Alcohols; Animals; Aspartic Acid; Cats; Central Nervous System; Choline; Cysteine; Homocysteine; Muscle Spindles; Neurons; Serine; Sulfinic Acids | 1965 |
Cysteine toxicity in Neurospora crassa: comparison of counteraction by sulphur amino acids and iron.
Topics: Amino Acids; Catalase; Cysteine; Depression, Chemical; Homocysteine; Iron; Methionine; Neurospora; Stimulation, Chemical; Sulfur Isotopes | 1970 |
Cystationine synthesis in yeast: an alternative pathway for homocysteine biosynthesis.
Topics: Acetates; Catalysis; Cell-Free System; Cystathionine; Cysteine; Homocysteine; Homoserine; Hydro-Lyases; L-Serine Dehydratase; Lyases; Neurospora crassa; Saccharomyces; Saccharomyces cerevisiae; Salmonella typhimurium; Sulfides; Sulfur Isotopes; Yeasts | 1972 |
The effect of cysteine on L-alpha-glycerophosphate and lactate dehydrogenase reactions.
Topics: Chromatography, Paper; Cysteine; Glycerolphosphate Dehydrogenase; Glycerophosphates; Homocysteine; Ketones; Kinetics; L-Lactate Dehydrogenase; Lactates; NAD; Phosphates; Pyruvates | 1968 |
[Studies on a biologic radiation protection. 87. On the effect of sulfur-containing organic substances on x-ray induced radicals in freeze dried rat liver].
Topics: Animals; Cysteine; Electron Spin Resonance Spectroscopy; Female; Freeze Drying; Homocysteine; In Vitro Techniques; Injections, Intraperitoneal; Lactones; Liver; Male; Pyridines; Radiation Effects; Radiation-Protective Agents; Radiochemistry; Rats; Spectrum Analysis | 1968 |
A new sulfinic amino acid: homohypotaureine (3-aminopropanesulfinic acid). Isolation, determination and chromatographic behaviour compared with sulfinic and sulfonic derivatives of cysteine and homocysteine.
Topics: Amino Acids; Carboxy-Lyases; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Clostridium perfringens; Cysteine; Glutamates; Homocysteine; Indicators and Reagents; Infrared Rays; Methods; Platinum; Spectrophotometry; Sulfinic Acids; Sulfonic Acids; Taurine; Time Factors | 1969 |
[Bacterial L-glutamate decarboxylases: their action on L homocysteinesulfinic acid and L-homocysteic acid].
Topics: Amino Acids; Aminobutyrates; Carbon Dioxide; Carboxy-Lyases; Chlorides; Clostridium perfringens; Cysteine; Escherichia coli; Glutamates; Homocysteine; Hydrogen-Ion Concentration; Quaternary Ammonium Compounds; Sulfinic Acids; Taurine; Temperature | 1971 |
The antagonistic action of glutamic acid diethylester towards amino acid-induced and synaptic excitations of central neurones.
Topics: Action Potentials; Amino Acids; Animals; Aspartic Acid; Cats; Cysteine; Electric Stimulation; Esters; Excitatory Amino Acid Antagonists; Glutamates; Homocysteine; Interneurons; Iontophoresis; Medulla Oblongata; Methionine Sulfoximine; Spinal Cord; Synaptic Transmission; Thalamic Nuclei; Thalamus | 1972 |
Convulsant activity of homocysteine and other short-chain mercaptoacids: protection therefrom.
Topics: Animals; Betaine; Central Nervous System Stimulants; Cysteine; Glycine; Homocysteine; Male; Methionine; Phenobarbital; Pyridoxine; Rats; Serine | 1969 |
Metabolism of 35 S-sulphate and properties of APS-kinase and PAPS-reductase in Nitrobacter agilis.
Topics: Adenosine Triphosphate; Anaerobiosis; Chromatography; Cysteine; Dimercaprol; Glutathione; Homocysteine; Hydrogen-Ion Concentration; Magnesium; Methionine; Molecular Weight; NADP; Nitrobacter; Nucleosides; Nucleotidyltransferases; Oxygen; Phosphotransferases; Sulfates; Sulfides; Sulfites; Sulfur; Sulfur Isotopes; Taurine | 1971 |
Inhibition by homocysteine of serine dehydratase and other pyridoxal 5'-phosphate enzymes of the rat through cofactor blockage.
Topics: Alanine Transaminase; Animals; Cysteine; Homocysteine; Homocystinuria; Humans; L-Serine Dehydratase; Liver; Male; Norepinephrine; Penicillamine; Pyridoxal Phosphate; Rats; Spectrophotometry; Stereoisomerism; Tyrosine Transaminase | 1971 |
The chemical form of the methylmercury complex in the bile of the rat.
Topics: Animals; Bile; Binding Sites; Chromatography, Gel; Cysteine; Glutathione; Homocysteine; Mercury; Organometallic Compounds; Rats | 1974 |
[Influence of cysteine or of its sulfur-containing precursors on the development of adult human liver diploid cell lines and of heteroploid lines derived from the transformation of the latter].
Topics: Aneuploidy; Cell Division; Cell Line; Cells, Cultured; Culture Media; Cystathionine; Cysteine; Diploidy; Homocysteine; Humans; Liver; Methionine; Transformation, Genetic | 1972 |
Factors affecting virulence of Shigella flexneri: defective methionine synthesis in an Escherichia coli-Shigella hybrid.
Topics: Animals; Cell Survival; Cystathionine; Cysteine; Escherichia coli; Genes; Genetics, Microbial; Guinea Pigs; Homocysteine; Homoserine; Hybridization, Genetic; Methionine; RNA, Bacterial; Shigella; Shigella flexneri; Species Specificity; Temperature; Transduction, Genetic; Virulence | 1972 |
An Aspergillus nidulans mutant lacking cystathionine -synthase: identity of L-serine sulfhydrylase with cystathionine -synthase and its distinctness from O-acetyl-L-serine sulfhydrylase.
Topics: Aspergillus; Aspergillus nidulans; Carbon Isotopes; Cell-Free System; Culture Media; Cystathionine; Cysteine; Homocysteine; Hydro-Lyases; Molecular Weight; Mutation; Selenium; Serine; Species Specificity | 1973 |
The cysteine desulfhydrase of Salmonella typhimurium. Kinetic and catalytic properties.
Topics: Binding Sites; Cell-Free System; Centrifugation, Density Gradient; Chromatography, Gel; Cystathionine; Cysteine; Drug Stability; Enzyme Activation; Enzyme Induction; Homocysteine; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Lyases; Mathematics; Mercaptoethanol; Methionine; Mutation; Salmonella typhimurium; Serine; Stereoisomerism; Structure-Activity Relationship; Sulfhydryl Compounds | 1973 |
Studies on synthetic inhibitors of t-RNA methyl transferases: analogs of S-adenosyl homocysteine.
Topics: Adenosine; Animals; Cysteamine; Cysteine; Escherichia coli; Homocysteine; Kinetics; Liver; Methylation; Propionates; Propylene Glycols; Rabbits; RNA, Transfer; tRNA Methyltransferases | 1973 |
Regulation of S-amino acids biosynthesis in Aspergillus nidulans. Role of cysteine and-or homocysteine as regulatory effectors.
Topics: Acetylation; Amino Acids; Aspergillus nidulans; Carboxy-Lyases; Cysteine; Genetics, Microbial; Homocysteine; Hydro-Lyases; Lyases; Molecular Biology; Mutation; S-Adenosylmethionine | 1974 |
Methionine metabolism in mammals: kinetic study of betaine-homocysteine methyltransferase.
Topics: Animals; Betaine; Buffers; Calcium Phosphates; Chromatography, Gel; Chromatography, Ion Exchange; Cysteine; Cystine; Gels; Glycine; Homocysteine; Hydrogen-Ion Concentration; Kinetics; Liver; Methionine; Methyltransferases; Rats | 1972 |
Plasma amino acid abnormalities in chronic renal failure.
Topics: Adult; Amino Acids; Cysteine; Cystine; Disulfides; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methionine; Middle Aged; Phenylalanine; Renal Dialysis; Tyrosine | 1972 |
[Cystathionuria and defective enzyme regulation].
Topics: Administration, Oral; Amino Acid Metabolism, Inborn Errors; Child; Chromatography, Ion Exchange; Chromatography, Paper; Cystathionine; Cysteine; Electrophoresis, Paper; Female; Homocysteine; Homocystine; Homoserine; Humans; Hydro-Lyases; Hydrocortisone; Liver; Lyases; Methionine; Pyridoxine; Sulfur | 1973 |
Decarboxylation of DL-homocysteinesulphinic acid (2-amino 4-sulphinobutyric acid) in rat brain.
Topics: Animals; Brain; Carboxy-Lyases; Chromatography, Thin Layer; Cysteine; Drug Stability; Glutamates; Homocysteine; Hot Temperature; Kinetics; Mice; Rats; Sulfinic Acids; Sulfonic Acids | 1973 |
Kinetic characteristics of cisteine desulphydrase in the liver and pancreas of different biological species.
Topics: Animals; Chickens; Cystathionine; Cysteine; Dogs; Fishes; Homocysteine; In Vitro Techniques; Kinetics; Liver; Lyases; Mice; Pancreas; Pyridoxal Phosphate; Pyruvates; Rats; Species Specificity; Swine | 1973 |
[Chiro-optical properties of sulfur containing amino acids].
Topics: Alanine; Amino Acids; Circular Dichroism; Cystathionine; Cysteine; Cystine; Homocysteine; Homocystine; Hydrogen-Ion Concentration; Methionine; Molecular Conformation; Optical Rotatory Dispersion; Spectrophotometry, Ultraviolet; Sulfides; Sulfur; Temperature | 1973 |
[The anti-hepatotoxic effect of aliphatic and heterocyclic mercapto compounds in CCl4-induced liver damage in the rat. I].
Topics: Alanine Transaminase; Alkaline Phosphatase; Animals; Aspartate Aminotransferases; Carbon Tetrachloride; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Cholinesterases; Cysteine; Homocysteine; Male; Penicillamine; Rats; Structure-Activity Relationship; Sulfhydryl Compounds | 1973 |
[The effect of aliphatic and heterocyclic mercapto compounds on lipid peroxidation in CCl4-induced liver damage in the rat].
Topics: Acrylates; Amides; Animals; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Cyanides; Cysteine; Endoplasmic Reticulum; Homocysteine; Male; Membranes; Microsomes, Liver; Oxidation-Reduction; Peroxides; Phospholipids; Rats; Structure-Activity Relationship; Sulfhydryl Compounds; Thiadiazoles; Thiazoles | 1973 |
The synthesis of taurine from sulfate. V. Regulatory modifiers of the chick liver enzyme system.
Topics: Adenosine Monophosphate; Alanine; Allosteric Regulation; Animals; Chickens; Cysteine; Ethionine; Homocysteine; Liver; Methionine; Organophosphorus Compounds; S-Adenosylmethionine; Serine; Sulfinic Acids; Sulfonic Acids; Sulfur Radioisotopes; Sulfuric Acids; Sulfurtransferases; Taurine | 1973 |
Simple polarographic determination of cystine in urine with cystinuria.
Topics: Amino Acids; Blood Proteins; Cobalt; Cysteine; Cystinuria; Evaluation Studies as Topic; Homocysteine; Humans; Manganese; Methods; Nickel; Oxidation-Reduction; Penicillamine; Polarography; Polyethylene Glycols; Sulfites; Time Factors; Zinc | 1973 |
Methionine metabolism in mammals: synthesis of S-adenosylhomocysteine in rat tissues.
Topics: Adenosine; Animals; Carbon Radioisotopes; Chromatography, Ion Exchange; Chromatography, Paper; Cysteine; Dithiothreitol; Glucagon; Glutathione; Growth Hormone; Homocysteine; Hydrocortisone; Isotope Labeling; Liver; Male; Methionine; Organ Specificity; Rats; S-Adenosylmethionine; Thyroxine; Tritium | 1973 |
Pyridoxal phosphate catalyzed alpha-beta elimination of S-gamma-aminopropylcysteine.
Topics: Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Chromatography, Paper; Cysteamine; Cysteine; Homocysteine; Phosphates; Propylamines; Pyridoxal Phosphate; Pyruvates; Spectrophotometry; Spectrophotometry, Ultraviolet | 1973 |
Cytochrome P-450cam. II. Interconversion with P-420.
Topics: Acetone; Camphor; Carbon Monoxide; Chloromercuribenzoates; Cysteine; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 Enzyme System; Deoxycholic Acid; Dithiothreitol; Homocysteine; Mercaptoethanol; Oxidation-Reduction; Pseudomonas; Spectrophotometry; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds; Thioglycolates; Urea | 1974 |
Cystathionine gamma-synthesis from homocysteine and cysteine by mammalian tissue.
Topics: Animals; Brain; Chromatography, Ion Exchange; Cystathionine; Cysteine; Cystine; Homocysteine; Humans; Kidney; Liver; Lyases; Male; Mice; Organ Specificity; Precipitin Tests; Rabbits; Rats; Species Specificity; Subcellular Fractions; Sulfur Radioisotopes | 1974 |
Synthesis of mixed disulfides with cyanogen bromide and its consequences for elucidation of protein structure.
Topics: Cyanogen Bromide; Cysteine; Disulfides; Homocysteine; Mercaptoethanol | 1974 |
Effect of pyridoxine treatment of a cystathioninuric patient on the urinary excretion of some unusual sulfur-containing amino acids.
Topics: Acetamides; Amino Acid Metabolism, Inborn Errors; Amino Acids, Sulfur; Autoanalysis; Chromatography, Ion Exchange; Cystathionine; Cysteine; Electrophoresis, Paper; Female; Homocysteine; Homocystine; Humans; Pyridoxine; Time Factors | 1974 |
Separation of multiple forms of protein-bound metabolites of the carcinogenic hydrocarbons 3-methylcholanthrene and 7,12-dimethylbenz(a)anthracene from several rodent species.
Topics: Animals; Benz(a)Anthracenes; Binding Sites; Chromatography, Thin Layer; Cysteine; Homocysteine; Lung; Methane; Methylcholanthrene; Mice; Mice, Inbred BALB C; Mice, Inbred Strains; Nickel; Pronase; Protein Binding; Proteins; Skin; Species Specificity; Time Factors; Tritium; Trypsin | 1974 |
Detection of heterozygotes for homocystinuria. Study of sulphur-containing amino acids in plasma and urine after L-methionine loading.
Topics: Amino Acids, Sulfur; Chromatography, Ion Exchange; Cysteine; Cystine; Heterozygote; Homocysteine; Homocystine; Homocystinuria; Humans; Methionine; Time Factors | 1974 |
Reversal by serine and potentiation by glycine of the inhibitory effect of 1,2,4-triazole on growth of Salmonella typhimurium.
Topics: Adenine; Amino Acids; Cysteine; Drug Resistance, Microbial; Drug Synergism; Glycine; Homocysteine; Methionine; Mutation; Salmonella typhimurium; Serine; Triazoles | 1967 |
Regulation of the methionine-specific aspartokinase and homoserine dehydrogenase of Salmonella typhimurium.
Topics: Alcohol Oxidoreductases; Aspartic Acid; Cysteine; Feedback; Homocysteine; Methionine; Mutation; Phosphotransferases; Salmonella typhimurium | 1968 |
O-alkylhomoserine and methionine biosynthesis in Corynebacterium.
Topics: Amino Acids; Corynebacterium; Culture Media; Cysteine; Escherichia coli; Homocysteine; Methionine; Serine; Threonine | 1969 |
Synergism between cysteine and alkylating agents.
Topics: Alkanes; Alkylating Agents; Anti-Bacterial Agents; Cysteine; Drug Resistance, Microbial; Drug Synergism; Escherichia coli; Homocysteine; Nitroso Compounds; Serine; Stereoisomerism; Sulfonic Acids; Urethane | 1970 |
Biochemical model for the biological methylation of mercury suggested from methylation studies in vivo with Neurospora crassa.
Topics: Chromatography, Gas; Culture Media; Cysteine; Homocysteine; Mercury; Methylation; Models, Chemical; Mutation; Neurospora | 1971 |
Transductional analysis of Pseudomonas aeruginosa methionineless auxotrophs.
Topics: Cysteine; Genetics, Microbial; Homocysteine; Methionine; Methylation; Mutation; Pseudomonas aeruginosa; Transduction, Genetic; Vitamin B 12 | 1969 |
Nutrition and metabolism of sulphur amino acids in Argyrotaenia velutinana larvae.
Topics: Animals; Cystathionine; Cysteine; Female; Germ-Free Life; Homocysteine; Insecta; Larva; Male; Metamorphosis, Biological; Methionine; Pupa | 1972 |
[Active center of rat liver homoserine dehydratase].
Topics: Alanine; Animals; Binding Sites; Cystathionine; Cysteine; Deamination; Homocysteine; Homoserine; Hydro-Lyases; Hydrogen Sulfide; Kinetics; Liver; Methionine; Protein Binding; Rats; Stereoisomerism; Structure-Activity Relationship; Sulfhydryl Compounds | 1972 |
Plasma levels of cystine in homocystinuria.
Topics: Adult; Child; Cysteine; Cystine; Homocysteine; Homocystinuria; Humans | 1972 |
Oxidative deamination of sulfonyl, sulfonyl and thiosulfonyl amino acids by D-aspartate oxidase.
Topics: Alanine; Amino Acid Oxidoreductases; Amino Acids; Animals; Aspartic Acid; Cattle; Cysteine; Deamination; Homocysteine; Kidney; Kinetics; Oxidation-Reduction; Oxygen Consumption; Pyruvates; Rabbits; Sulfinic Acids; Sulfonic Acids; Swine | 1972 |
The formation of sulphur-containing amino acids in germinating seeds of rape (Brassica napus L.).
Topics: Amino Acids; Carbon Isotopes; Cystathionine; Cysteine; Homocysteine; Homoserine; Methionine; Seeds; Sulfides; Sulfur Isotopes | 1972 |
[Dissociation behavior of cysteine and related SH-compounds. A 13 C-NMR spectroscopic study on pH dependence of charge distribution].
Topics: Amines; Butyrates; Carbon Isotopes; Chemical Phenomena; Chemistry; Cysteamine; Cysteine; Homocysteine; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; Methylation; Penicillamine; Propionates; Sulfhydryl Compounds; Tritium; Valine | 1972 |
[Studies on the radioprotective effect of sulfhydryl-compounds N-acetyl-homocysteine-thiolactone and cystein in combination with fructose].
Topics: Animals; Cysteine; Drug Synergism; Fructose; Homocysteine; Lactones; Male; Mice; Radiation Injuries, Experimental; Radiation Protection; Radiation-Protective Agents; Sulfhydryl Compounds | 1971 |
[Modification of aminoaciduria in the rat after administration of cycloleucine: comparison with human cystinuria].
Topics: Amino Acids; Animals; Antineoplastic Agents; Arginine; Chromatography, Ion Exchange; Chromatography, Paper; Cyclopentanes; Cysteine; Cystine; Cystinuria; Diet; Disulfides; Diuresis; Electrophoresis; Homocysteine; Injections, Intraperitoneal; Lysine; Male; Metabolism; Ornithine; Paper; Rats; Time Factors | 1971 |
Specificity and some other properties of liver serine sulphhydrase: evidence for its identity with cystathionine -synthase.
Topics: Acetates; Alanine; Amino Acids; Animals; Catalysis; Chickens; Chlorine; Chromatography, Gel; Chromatography, Paper; Cycloserine; Cysteamine; Cysteine; Electrophoresis, Paper; Glycolates; Homocysteine; Hydro-Lyases; Hydroxylamines; Isoelectric Focusing; Kinetics; L-Serine Dehydratase; Liver; Mercaptoethanol; Nitriles; Penicillamine; Propionates; Pyridoxal Phosphate; Rats; Serine; Species Specificity; Sulfhydryl Compounds; Sulfides; Sulfuric Acids; Thioglycolates | 1971 |
Nutritional requirements of Streptococcus salivarius.
Topics: Ammonia; Biotin; Culture Media; Cysteine; Cystine; Glucose; Glutamates; Homocysteine; Homocystine; Humans; Mouth; Nicotinic Acids; Pantothenic Acid; Riboflavin; Streptococcus; Thiamine; Urea | 1971 |
The detection of heterozygotes for homocystinuria by oral loading with L-methionine.
Topics: Administration, Oral; Adult; Cysteine; Heterozygote; Homocysteine; Homocystine; Homocystinuria; Humans; Methionine | 1971 |
Ethionine and methionine metabolism by the chrysomonad flagellate Prymnesium parvum.
Topics: Animals; Carbon Isotopes; Chromatography, Paper; Culture Media; Cysteine; Ethionine; Eukaryota; Homocysteine; Methionine; Methods; Methylation; Nitrogen; Oxidation-Reduction; Sulfones; Sulfoxides; Time Factors | 1971 |
Methionine metabolism in mammals. Regulation of homocysteine methyltransferases in rat tissue.
Topics: Aging; Alloxan; Animals; Betaine; Chromatography, Gel; Cycloheximide; Cysteine; Dactinomycin; Dietary Proteins; Enzyme Induction; Enzyme Repression; Glucagon; Homocysteine; Hormones; Liver; Male; Methionine; Methyltransferases; Organ Specificity; Rats; Tetrahydrofolates; Ultracentrifugation | 1971 |
Hyperaminoacidemia in rabbits treated with 6-azauridine triacetate.
Topics: Alanine; Amino Acids; Aminobutyrates; Animals; Antimetabolites; Cystathionine; Cysteine; Homocysteine; Male; Methionine; Nucleosides; Rabbits | 1971 |
Cytotoxic effects of acidic and sulphur containing amino acids on the infant mouse central nervous system.
Topics: Amino Acids; Animals; Aspartic Acid; Cysteine; Glutamine; Homocysteine; Hypothalamus; Mice; Microscopy, Electron; Retina | 1971 |
Oxidative deamination of sulfur amino acids by bacterial and snake venom L-amino acid oxidase.
Topics: Adenosine; Alanine; Amino Acid Oxidoreductases; Animals; Catalase; Cattle; Chromatography, Thin Layer; Cysteine; Cystine; Homocysteine; Homocystine; Hydrogen-Ion Concentration; Kinetics; Liver; Methionine; Models, Biological; Models, Structural; Oxygen Consumption; Proteus; S-Adenosylmethionine; Snakes; Species Specificity; Sulfides; Sulfur; Venoms | 1971 |
Protection against x-irradiation by sulphydryl compounds. II. Studies on the relation between chemical structure and protective activity for tissue culture cells.
Topics: beta-Aminoethyl Isothiourea; Chemical Phenomena; Chemistry; Culture Techniques; Cysteamine; Cysteine; Glutathione; Homocysteine; Hydrogen-Ion Concentration; Oxygen; Penicillamine; Radiation-Protective Agents; Sulfhydryl Compounds; Temperature; Thioglycolates | 1967 |
Cystathionine gamma-synthase. A pyridoxal phosphate enzyme catalyzing rapid exchanges of beta and alpha hydrogen atoms in amino acids.
Topics: Amino Acids; Butyrates; Chemical Phenomena; Chemistry; Cysteine; Homocysteine; Hydro-Lyases; Hydrogen; Ketones; Kinetics; Methionine; Pyridoxal Phosphate; Salmonella; Tritium | 1969 |
Influence of tetraethylammonium (TEA+), SH-compounds and insulin on the Kplus-release of phalloidin-poisoned isolated rat liver.
Topics: Alkaloids; Animals; Cell Membrane; Coenzyme A; Cysteamine; Cysteine; Dimercaprol; Homocysteine; Insulin; Lactones; Liver; Potassium; Quaternary Ammonium Compounds; Rats; Sulfhydryl Compounds | 1969 |
Quantitative determination of biologically important thiols and disulfides by gas-liquid chromatography.
Topics: Aldehydes; Chromatography, Gas; Cystamine; Cysteamine; Cysteine; Cystine; Homocysteine; Homocystine; Hot Temperature; Hydrogen-Ion Concentration; Lactones; Methionine; Methods; Penicillamine; Sulfhydryl Compounds; Sulfides | 1969 |
The regulation of methionine synthesis and the nature of cystathionine gamma-synthase in Neurospora.
Topics: Acyltransferases; Amino Acids; Candida; Chemical Phenomena; Chemistry; Chromatography, Gel; Culture Media; Cysteine; Drug Resistance, Microbial; Ethionine; Feedback; Fungi; Genes; Genetic Code; Homocysteine; Lyases; Methionine; Mutation; Neurospora; Nucleosides; Phenotype; Saccharomyces; Species Specificity; Succinates; Sulfur Isotopes; Transferases | 1970 |
Pyridoxine effects on cystathionine synthase in rat liver.
Topics: Amino Acids; Animals; Betaine; Cysteine; Homocysteine; Homocystine; Hydro-Lyases; Liver; Male; Pyridoxal Phosphate; Stimulation, Chemical; Succinates; Transferases; Vitamin B 6 Deficiency | 1970 |
The enzymic oxidation of glutathione in rat liver homogenates.
Topics: Animals; Ascorbic Acid; Cysteine; Dialysis; Glutathione; Homocysteine; Hot Temperature; Hypoxanthines; In Vitro Techniques; Liver; Oxidation-Reduction; Proteins; Rats; Xanthine Oxidase | 1970 |
Pyridoxal phosphate-catalyzed alpha-beta elimination of lanthionine and cystathionine.
Topics: Amino Acids; Ammonia; Chemical Phenomena; Chemistry; Cysteine; Homocysteine; Pyridoxal Phosphate; Pyruvates; Spectrophotometry | 1970 |
Reduction of benzyl sulphonyl (sulphone) intermediates to sulphinic acids. Synthesis of hypotaurine, and of L-cysteine and L-homocysteine sulphinic acids.
Topics: Ammonia; Cysteine; Homocysteine; Oxidation-Reduction; Sodium; Sulfinic Acids; Sulfones; Taurine | 1970 |
Amino acid excretion patterns in the offspring of a 'doubly-heterozygous' cystine stone former.
Topics: Alleles; Amino Acid Metabolism, Inborn Errors; Amino Acids; Arginine; Child; Child, Preschool; Chromatography, Paper; Cysteine; Cystinosis; Cystinuria; Female; Ferrocyanides; Heterozygote; Homocysteine; Humans; Lysine; Molecular Biology; Ornithine | 1970 |
Development of fluorescence between o-phthaldialdehyde and thiols.
Topics: Alcohol Oxidoreductases; Aldehydes; Animals; Cattle; Cysteine; Ethylmaleimide; Fluorescence; Glutathione; Hemoglobins; Homocysteine; Insulin; Liver; Mercaptoethanol; Phthalic Acids; Serum Albumin, Bovine; Sulfhydryl Compounds | 1970 |
Transsulfuration in higher plants. Partial purification and properties of beta-cystathionase of spinach.
Topics: Alanine; Amino Acids; Benzoates; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Paper; Cysteine; Drug Stability; Edible Grain; Ethylmaleimide; Homocysteine; Hydro-Lyases; Hydrogen-Ion Concentration; Hydroxylamines; Kinetics; Models, Structural; Plants; Pyridoxal Phosphate; Pyruvates; Quaternary Ammonium Compounds; Serine; Species Specificity; Spectrophotometry; Stereoisomerism; Sulfates; Sulfides; Sulfur; Triticum | 1971 |
Mutation of Saccharomyces cerevisiae preventing uptake of S-adenosylmethionine.
Topics: Adenine; Carbon Isotopes; Colorimetry; Crosses, Genetic; Culture Media; Cysteine; Genetics, Microbial; Homocysteine; Methionine; Mutation; Nucleosides; S-Adenosylmethionine; Saccharomyces; Serine; Threonine | 1971 |
Cystathionine synthase from rat liver: partial purification and properties.
Topics: Amino Acids; Animals; Benzoates; Boron Compounds; Calcium Phosphates; Carbon Isotopes; Chromatography, Gel; Cysteine; Drug Stability; Electrophoresis; Enzyme Activation; Homocysteine; Hydro-Lyases; Hydrogen-Ion Concentration; Hydroxylamines; Kinetics; L-Serine Dehydratase; Liver; Mercury; Oxidation-Reduction; Protamines; Pyridoxal Phosphate; Quaternary Ammonium Compounds; Rats; Serine; Spectrophotometry; Sulfates; Sulfides; Temperature | 1971 |
A study of L-(14C)cystathionine metabolism in the brain, kidney, and liver of pyridoxine-deficient rats.
Topics: Amino Acids; Ammonia; Animals; Biological Transport; Brain; Carbon Isotopes; Chromatography, Ion Exchange; Chromatography, Paper; Cysteine; Homocysteine; Hydro-Lyases; Injections; Keto Acids; Kidney; L-Serine Dehydratase; Liver; Male; Proteins; Pyridoxine; Rats; Serine; Time Factors; Vitamin B 6 Deficiency | 1971 |
[On the effect sulfhydryl compounds as radiation protective agents in combination with fructose].
Topics: Animals; Cysteine; Fructose; Homocysteine; Mice; Radiation Injuries, Experimental; Radiation-Protective Agents; Sarcoma, Yoshida; Sulfhydryl Compounds | 1967 |
Identification and measurement of cysteine-homocysteine mixed disulfide in plasma.
Topics: Amino Acids; Chromatography, Ion Exchange; Cysteine; Cystine; Cystinosis; Homocysteine; Homocystine; Homocystinuria; Humans; Methionine; Sulfides | 1968 |
Cystathionine metabolism in methionine auxotrophic and wild-type strains of Saccharomyces cerevisiae.
Topics: Amino Acids; Carbon Isotopes; Cell-Free System; Chromatography; Chromatography, Gel; Cysteine; Homocysteine; Keto Acids; Methionine; Mutation; Pyruvates; Saccharomyces; Spectrophotometry; Sulfhydryl Compounds; Sulfur Isotopes | 1968 |
Observations on the metabolism of sulfur amino acid derivatives in yeast.
Topics: Amino Acids; Candida; Cysteine; Homocysteine; Methionine; Nucleosides; Saccharomyces; Sulfur; Sulfur Isotopes | 1968 |
In vivo and in vitro metabolism of S-adenosyl-L-homocysteine by Saccharomyces cerevisiae.
Topics: Bacterial Proteins; Candida; Carbon Isotopes; Cell-Free System; Chromatography, Ion Exchange; Cysteine; Electrophoresis; Homocysteine; Ion Exchange Resins; Methionine; Mitosporic Fungi; Models, Biological; Nucleic Acids; Nucleosides; Paper; Saccharomyces; Sulfur Isotopes; Tritium | 1968 |
Reactions catalysed by serine sulfhydrase from chicken liver.
Topics: Animals; Chickens; Chromatography, Gel; Chromatography, Ion Exchange; Chromatography, Paper; Cysteamine; Cysteine; Homocysteine; Hydro-Lyases; Liver; Mercaptoethanol; Serine; Sulfides | 1969 |
Inhibition by L-methionine of the growth of Euglena gracilis in a glutamic acid medium.
Topics: Acetates; Amino Acids; Animals; Biological Transport; Carbon Isotopes; Culture Media; Cysteine; Euglena; Glutamates; Homocysteine; Methionine; Threonine; Vitamin B 12 | 1969 |
[Protective effect of phosphorylcholine, homocysteine and their combination 1:1 in experimental hepatic lesions rats: comparison with the activity of choline and cysteine].
Topics: Animals; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Choline; Cysteine; Dietary Fats; Drug Synergism; Guinea Pigs; Homocysteine; Liver; Male; Mice; Rats | 1969 |
Sulfatase regulation and antibiotic synthesis in Cephalosporium acremonium.
Topics: Acremonium; Cephalosporins; Cycloheximide; Cysteine; Enzyme Induction; Enzyme Repression; Homocysteine; Methionine; Mutation; Penicillins; Sulfatases; Sulfur | 1969 |
Reactions of N-ethylmaleimide with peptides and amino acids.
Topics: Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Cysteine; Dipeptides; Ethylmaleimide; Hemoglobins; Homocysteine; Ribonucleases | 1964 |
[Experimental research on anti-hyperoxic drug protection].
Topics: Animals; beta-Aminoethyl Isothiourea; Cysteine; Diving; Glutathione; Homocysteine; Hyperbaric Oxygenation; Mice; Oxygen; Submarine Medicine | 1965 |
Acceleration of sulfhydryl oxidations by selenocystine.
Topics: Alcohol Oxidoreductases; Creatine Kinase; Cysteine; Cystine; Glutathione; Homocysteine; Hydrogen Peroxide; Hydrogen-Ion Concentration; Oxidation-Reduction; Peroxides; Selenium | 1965 |
[Determination of penicillamine as penicillaminic acid by chromatography on anion exchange].
Topics: Amino Acids; Blood Chemical Analysis; Chromatography, Ion Exchange; Cysteine; Homocysteine; Humans; In Vitro Techniques; Penicillins; Sulfides; Urine | 1965 |
The estimation of glutathione in rat tissues. A comparison of a new spectrophotometric method with the glyoxalase method.
Topics: Animals; Brain; Cystamine; Cysteine; Esterases; Glutathione; Glutathione Reductase; Homocysteine; In Vitro Techniques; Kidney; Liver; Lyases; Muscles; Polarography; Rats; Spectrophotometry | 1964 |
The inhibition of cerebral glutamine synthetase by structural analogs of the convulsant dl-methionine sulfoximine.
Topics: Animals; Cerebral Cortex; Cysteine; Enzymes; Glutamine; Homocysteine; In Vitro Techniques; Ligases; Methionine; Methionine Sulfoximine; Rats | 1966 |
Inhibitory effect of cysteine on Streptomyces griseus phage reproduction.
Topics: Bacteriophages; Cysteine; Glutathione; Homocysteine; Isoleucine; Methionine; Streptomyces; Thioglycolates; Threonine | 1966 |
Synthesis of some dibasic sulphur-containing amino-acids related to L-lysine.
Topics: Chemical Phenomena; Chemistry; Cysteine; Homocysteine; Lysine | 1966 |
Synthesis of some coloured products related to rhodopsin and its degradation products.
Topics: Azo Compounds; Chloromercuribenzoates; Chromatography, Thin Layer; Cysteine; Formaldehyde; Glutamates; Glutathione; Glycine; Homocysteine; Iodoacetates; Retinal Pigments; Spectrum Analysis | 1966 |
Interrelationships of sulfur amino acids in the pool and cellular protein of Neurospora crassa.
Topics: Amino Acids; Cysteine; Homocysteine; Kinetics; Methionine; Neurospora; Protein Biosynthesis; Sulfates; Sulfur Isotopes | 1966 |
Paper electrophoretic quantitation and measurement of the radioactivities of labelled sulphur amino acids as their oxidation derivatives.
Topics: Amino Acids; Carbon Isotopes; Chromatography, Paper; Cysteine; Cystine; Electrophoresis; Homocysteine; Homocystine; Sulfur Isotopes | 1966 |
Homocysteine and cysteine synthetases of Neurospora crassa. Purification, properties, and feedback control of activity.
Topics: Chromatography; Cysteine; Enzyme Repression; Homocysteine; Hydro-Lyases; Kinetics; Methionine; Mutation; Neurospora | 1967 |
A study of the sulphur amino acids of rat tissues.
Topics: Amino Acids; Animals; Animals, Newborn; Brain; Brain Chemistry; Chromatography, Ion Exchange; Chromatography, Paper; Cysteine; Glutathione; Homocysteine; In Vitro Techniques; Liver; Male; Methionine; Rats; Sulfur Isotopes | 1967 |
The derepression and function of enzymes of reverse trans-sulfuration in Neurospora.
Topics: Cysteine; Enzyme Repression; Homocysteine; Hydro-Lyases; Neurospora; Sulfur | 1967 |
Synthesis of homocysteine and cysteine by enzyme extracts of spinach.
Topics: Amino Acids; Chromatography, Paper; Cysteine; Electrophoresis; Homocysteine; In Vitro Techniques; Methionine; Plant Extracts; Plants, Edible; Serine; Sulfides; Sulfur Isotopes; Threonine; Vegetables | 1967 |
Some mutants of Saccharomyces cerevisiae inhibited by adenoylmethionine and adenosylhomocysteine.
Topics: Adenine; Carbon Isotopes; Culture Media; Cysteine; Genetic Complementation Test; Genetics, Microbial; Homocysteine; Methionine; Mutation; Nucleosides; Saccharomyces; Transferases | 1967 |
Formation of taurine and isethionic acid in rat brain.
Topics: Amino Acids; Animals; Brain; Carbon Isotopes; Chromatography, Ion Exchange; Chromatography, Paper; Cysteine; Homocysteine; Methionine; Rats; Sulfonic Acids; Sulfur; Sulfur Isotopes; Taurine | 1967 |
Transport of cystine and cysteine and cell growth in cultured human diploid fibroblasts: effect of glutamate and homocysteate.
Topics: Amino Acids; Biological Transport; Cell Division; Cell Line; Culture Media; Cysteine; Cystine; Fibroblasts; Glutamates; Glutamic Acid; Glutathione; Homocysteine; Humans | 1982 |
Differential cyst(e)ine requirements in human T and B lymphoblastoid cell lines.
Topics: B-Lymphocytes; Cell Line; Concanavalin A; Cystathionine; Cysteine; Cystine; Herpesvirus 4, Human; Homocysteine; Humans; Lymphocyte Activation; Staphylococcal Protein A; T-Lymphocytes | 1982 |
The effects of chronic isoniazid intoxication on motor end plate sprouting in rat sternocostalis muscle and on responses to partial denervation and local botulinum toxin.
Topics: Animals; Botulinum Toxins; Cystathionine; Cysteine; Cystine; Drug Interactions; Female; Glutathione; Homocysteine; Isoniazid; Motor Endplate; Neuromuscular Junction; Peripheral Nervous System Diseases; Rats; Rats, Inbred Strains | 1984 |
The action of anticlastogens on chemically induced SCE.
Topics: beta-Aminoethyl Isothiourea; Cells, Cultured; Chromosomes; Cysteine; Homocysteine; Humans; Lymphocytes; Mutagens; Mutation; Oxyquinoline; Sister Chromatid Exchange; Triaziquone | 1984 |
Effect of regulatory mutations of sulphur metabolism on the levels of cysteine- and homocysteine-synthesizing enzymes in Neurospora crassa.
Topics: Carbon-Oxygen Lyases; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Cysteine Synthase; Homocysteine; Hydro-Lyases; Kinetics; Lyases; Multienzyme Complexes; Mutation; Neurospora; Neurospora crassa; Saccharomyces cerevisiae Proteins; Species Specificity; Sulfur | 1980 |
Globin-methionine complexes formed during labelling studies.
Topics: Chromatography, Thin Layer; Cysteine; Electrophoresis, Cellulose Acetate; Globins; Homocysteine; Humans; Isotope Labeling; Leucine; Methionine; Molecular Weight | 1984 |
Pyridoxine treatment does not prevent homocystinemia after methionine loading in adult homocystinuria patients.
Topics: Adult; Cysteine; Cystine; Female; Homocysteine; Homocystine; Homocystinuria; Humans; Male; Methionine; Middle Aged; Pyridoxine | 1983 |
Unique efficiency of methionine metabolism in premenopausal women may protect against vascular disease in the reproductive years.
Topics: Adult; Age Factors; Arterial Occlusive Diseases; Cysteine; Female; Homocysteine; Humans; Male; Menstruation; Methionine; Sex Factors | 1983 |
The use of cyst(e)ine in the removal of protein-bound homocysteine.
Topics: Administration, Oral; Animals; Binding, Competitive; Blood Proteins; Body Weight; Cysteine; Cystine; Diet; Homocysteine; Male; Rats; Vitamin B 6 Deficiency | 1984 |
Tumor detection with some 99mTc-labeled S-containing amino acids.
Topics: Animals; Carcinoma, Ehrlich Tumor; Cysteine; Homocysteine; Male; Mice; Mice, Inbred Strains; Neoplasms, Experimental; Radionuclide Imaging; Technetium; Tissue Distribution | 1984 |
Analysis of hepatic reduced glutathione, cysteine and homocysteine by cation-exchange high-performance liquid chromatography with electrochemical detection.
Topics: Animals; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Cysteine; Electrochemistry; Glutathione; Homocysteine; Liver; Male; Oxidation-Reduction; Pargyline; Rats; Rats, Inbred Strains | 1984 |
Homocystinuria--the effects of betaine in the treatment of patients not responsive to pyridoxine.
Topics: Amino Acids; Amino Acids, Sulfur; Betaine; Cystathionine beta-Synthase; Cysteine; Female; Homocysteine; Homocystinuria; Humans; Male; Pyridoxine; Vitamin B 12 | 1983 |
Methionine metabolism in mammals: concentration of metabolites in rat tissues.
Topics: Amino Acids, Sulfur; Animals; Cysteine; Cystine; Dietary Proteins; Homeostasis; Homocysteine; Male; Methionine; Rats; Rats, Inbred Strains; S-Adenosylhomocysteine; S-Adenosylmethionine; Sulfhydryl Compounds; Tissue Distribution | 1982 |
Accumulation of homocyst(e)ine in vitamin B-6 deficiency: a model for the study of cystathionine beta-synthase deficiency.
Topics: Animals; Blood Proteins; Cystathionine beta-Synthase; Cysteine; Dietary Proteins; Disease Models, Animal; Homocysteine; Homocystine; Homocystinuria; Humans; Hydro-Lyases; Male; Protein Binding; Rats; Vitamin B 6 Deficiency | 1982 |
Transsulphuration and methylation of homocysteine in control and mutant human fibroblasts.
Topics: Cell Line; Cells, Cultured; Cystathionine beta-Synthase; Cysteine; Fibroblasts; Homocysteine; Homocystinuria; Humans; Methionine; Methylation; Mutation; Skin; Sulfur Radioisotopes | 1982 |
Cysteine and homocysteine synthesis in Saccharomycopsis lipolytica; identification and characterization of two cysteine synthases.
Topics: Ascomycota; Carbon-Oxygen Lyases; Cystathionine; Cystathionine gamma-Lyase; Cysteine; Cysteine Synthase; Homocysteine; Lyases; Multienzyme Complexes; Mutation; Pyridoxal Phosphate; Saccharomyces cerevisiae Proteins; Saccharomycopsis; Substrate Specificity | 1982 |
Plasma cyst(e)ine in homocyst(e)inemia.
Topics: Blood Proteins; Cysteine; Cystine; Female; Homocysteine; Homocystine; Homocystinuria; Humans; Male; Methionine; Protein Binding | 1981 |
The action of three anticlastogens on the induction of sister chromatid exchange by trenimon and 8-hydroxyquinoline sulfate in human lymphocyte cultures.
Topics: Alkylating Agents; beta-Aminoethyl Isothiourea; Cells, Cultured; Crossing Over, Genetic; Cysteine; DNA Repair; Homocysteine; Humans; Hydroxyquinolines; Lymphocytes; Sister Chromatid Exchange | 1980 |
Accumulation of sulphur-containing amino acids including cysteine-homocysteine in patients on maintenance haemodialysis.
Topics: Adult; Amino Acids, Sulfur; Aminoisobutyric Acids; Cysteine; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Middle Aged; Renal Dialysis | 1980 |
Spontaneous hair hyperpigmentation in response to vitamin intake in pregnancy--a clue for homocystinuria.
Topics: Adult; Cystathionine beta-Synthase; Cysteine; Female; Fibroblasts; Hair Color; Hair Diseases; Homocysteine; Homocystinuria; Humans; Hyperpigmentation; Pregnancy; Skin; Vitamins | 1995 |
Reduced, free and total fractions of homocysteine and other thiol compounds in plasma from patients with renal failure.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Cysteine; Dipeptides; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Middle Aged; Nephrotic Syndrome; Renal Dialysis; Sulfhydryl Compounds | 1995 |
Analysis of glutathione, glutathione disulfide, cysteine, homocysteine, and other biological thiols by high-performance liquid chromatography following derivatization by n-(1-pyrenyl)maleimide.
Topics: Animals; Bridged Bicyclo Compounds; Cell Line; Chromatography, High Pressure Liquid; Cricetinae; Cysteine; Fluorescent Dyes; Glutathione; Glutathione Disulfide; Glutathione Reductase; Homocysteine; Indicators and Reagents; Maleimides; Pyridines; Sensitivity and Specificity; Time Factors | 1995 |
Studies on the comparative toxicity of S-(1,2-dichlorovinyl)-L-cysteine, S-(1,2-dichlorovinyl)-L-homocysteine and 1,1,2-trichloro-3,3,3-trifluoro-1-propene in the Fischer 344 rat.
Topics: Animals; Blood Glucose; Chlorofluorocarbons; Cysteine; Homocysteine; Kidney Cortex; Kidney Tubules, Proximal; Male; Necrosis; Rats; Rats, Inbred F344 | 1994 |
Plasma levels of the atherogenic amino acid homocysteine in post-menopausal women with breast cancer treated with tamoxifen.
Topics: Aged; Arteriosclerosis; Breast Neoplasms; Cholesterol; Cysteine; Female; Folic Acid; Homocysteine; Humans; Menopause; Middle Aged; Tamoxifen; Time Factors; Vitamin B 12 | 1995 |
Effect of thiol oxidation and thiol export from erythrocytes on determination of redox status of homocysteine and other thiols in plasma from healthy subjects and patients with cerebral infarction.
Topics: Aged; Cerebral Infarction; Cysteine; Erythrocytes; Female; Homocysteine; Homocystinuria; Humans; Kinetics; Lipid Peroxidation; Male; Middle Aged; Oxidation-Reduction; Reference Values; Sulfhydryl Compounds; Temperature | 1995 |
Plasma concentrations of homocysteine and other aminothiol compounds are related to food intake in healthy human subjects.
Topics: Adult; Circadian Rhythm; Cysteine; Dietary Proteins; Dipeptides; Fasting; Female; Folic Acid; Food; Homocysteine; Humans; Kinetics; Male; Methionine | 1994 |
Plasma thiols, copper and rheumatoid arthritis.
Topics: Animals; Arthritis, Rheumatoid; Copper; Cysteine; Glutathione; Homocysteine; Humans; Methionine; Methotrexate; Models, Biological; Sulfhydryl Compounds | 1994 |
Measurement of excitatory sulfur amino acids, cysteine sulfinic acid, cysteic acid, homocysteine sulfinic acid, and homocysteic acid in serum by stable isotope dilution gas chromatography-mass spectrometry and selected ion monitoring.
Topics: Aspartic Acid; Cysteic Acid; Cysteine; Deuterium; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Isotope Labeling; Neurotransmitter Agents; Reference Values | 1994 |
Depletion of total cysteine, glutathione, and homocysteine in plasma by ifosfamide/mesna therapy.
Topics: Adult; Aged; Antineoplastic Combined Chemotherapy Protocols; Chromatography, High Pressure Liquid; Cysteine; Female; Glutathione; Homeostasis; Homocysteine; Humans; Ifosfamide; Infusions, Intravenous; Male; Mesna; Middle Aged; Sarcoma | 1994 |
Homocysteine and cysteine: determinants of plasma levels in middle-aged and elderly subjects.
Topics: Adult; Age Factors; Aged; Aged, 80 and over; Creatinine; Cysteine; Female; Folic Acid; Homocysteine; Humans; Male; Middle Aged; Sex Factors; Vitamin B 12; Vitamins | 1994 |
Hyperhomocysteinemia as a possible role for atherosclerosis in CAPD patients.
Topics: Arteriosclerosis; Cysteine; Female; Homocysteine; Humans; Infant, Newborn; Male; Methionine; Middle Aged; Peritoneal Dialysis, Continuous Ambulatory; Renal Dialysis; Risk Factors | 1994 |
Sulphur-containing excitatory amino acid-stimulated inositol phosphate formation in primary cultures of cerebellar granule cells is mediated predominantly by N-methyl-D-aspartate receptors.
Topics: Animals; Calcium; Cells, Cultured; Cerebellum; Cycloleucine; Cysteic Acid; Cysteine; Dose-Response Relationship, Drug; Glutamates; Homocysteine; Inositol Phosphates; Kinetics; Mice; Neurons; Neurotransmitter Agents; Receptors, N-Methyl-D-Aspartate; Virulence Factors, Bordetella | 1994 |
Macromolecular synthesis inhibitors prevent oxidative stress-induced apoptosis in embryonic cortical neurons by shunting cysteine from protein synthesis to glutathione.
Topics: Acetylcysteine; Animals; Apoptosis; Buthionine Sulfoximine; Cells, Cultured; Cerebral Cortex; Cycloheximide; Cysteine; Glutamates; Glutathione; Homocysteine; Macromolecular Substances; Methionine Sulfoximine; Neurons; Oxidants; Protein Biosynthesis; Proteins; Rats | 1994 |
Rapid HPLC determination of total homocysteine and other thiols in serum and plasma: sex differences and correlation with cobalamin and folate concentrations in healthy subjects.
Topics: Adult; Aged; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Male; Microchemistry; Middle Aged; Reference Values; Sensitivity and Specificity; Sex Characteristics; Sulfhydryl Compounds; Vitamin B 12 | 1994 |
Redox status and protein binding of plasma homocysteine and other aminothiols in patients with hyperhomocysteinemia due to cobalamin deficiency.
Topics: Aged; Blood Proteins; Cysteine; Female; Glycine; Hemoglobins; Homocysteine; Humans; Male; Oxidation-Reduction; Protein Binding; Vitamin B 12 Deficiency | 1994 |
Editing function of Escherichia coli cysteinyl-tRNA synthetase: cyclization of cysteine to cysteine thiolactone.
Topics: Amino Acyl-tRNA Synthetases; Chromatography, Thin Layer; Cysteine; Escherichia coli; Homocysteine; Pyrophosphatases; RNA Editing | 1994 |
Formation of disulphide bonds in the reaction of SH group-containing amino acids with trimethylamine N-oxide. A regulatory mechanism in proteins.
Topics: Cysteine; Disulfides; Homocysteine; Magnetic Resonance Spectroscopy; Methylamines; Oxidants; Proteins; Spectroscopy, Fourier Transform Infrared | 1993 |
Redox status and protein binding of plasma homocysteine and other aminothiols in patients with homocystinuria.
Topics: Adolescent; Adult; Blood Proteins; Child, Preschool; Cysteine; Dipeptides; Female; Homocysteine; Homocystinuria; Humans; Male; Methionine; Oxidation-Reduction; Protein Binding; Regression Analysis | 1993 |
Kinetics of plasma homocysteine in healthy subjects after peroral homocysteine loading.
Topics: Absorption; Administration, Oral; Adult; Biological Availability; Cysteine; Female; Homocysteine; Humans; Injections, Intravenous; Kinetics; Male; Methionine | 1993 |
Homocysteine and other thiols determined in plasma by HPLC and thiol-specific postcolumn derivatization.
Topics: Chromatography, High Pressure Liquid; Colorimetry; Cysteine; Dipeptides; Disulfides; Glutathione; Homocysteine; Humans; Pyridines; Sulfhydryl Compounds | 1993 |
Identification of new cystathionine mono-oxo acids, S-(3-oxo-3-carboxy-n-propyl) cysteine and S-(2-oxo-2-carboxyethyl) homocysteine, in the urine of a patient with cystathioninuria.
Topics: Amino Acid Metabolism, Inborn Errors; Chromatography, High Pressure Liquid; Cystathionine; Cysteine; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Keto Acids | 1993 |
Homocysteine inhibits von Willebrand factor processing and secretion by preventing transport from the endoplasmic reticulum.
Topics: Autoradiography; Biological Transport; Cells, Cultured; Cysteine; Electrophoresis, Polyacrylamide Gel; Endoplasmic Reticulum; Endothelium, Vascular; Homocysteine; Humans; Kinetics; Macromolecular Substances; Protein Processing, Post-Translational; Sulfur Radioisotopes; Umbilical Veins; von Willebrand Factor | 1993 |
Homocysteine and other thiols in plasma and urine: automated determination and sample stability.
Topics: Anticoagulants; Autoanalysis; Chemical Precipitation; Chromatography, High Pressure Liquid; Citrates; Citric Acid; Cysteine; Dipeptides; Dithiothreitol; Drug Stability; Edetic Acid; Hemolysis; Heparin; Homocysteine; Humans; Hydrogen-Ion Concentration; Sulfhydryl Compounds | 1993 |
Redox status and protein binding of plasma aminothiols during the transient hyperhomocysteinemia that follows homocysteine administration.
Topics: Adult; Blood Proteins; Cysteine; Dipeptides; Female; Homocysteine; Humans; Kinetics; Male; Oxidation-Reduction; Protein Binding; Regression Analysis; Sulfhydryl Compounds | 1993 |
Elevated plasma concentration of reduced homocysteine in patients with human immunodeficiency virus infection.
Topics: Adult; CD4 Lymphocyte Count; Cysteine; Dipeptides; Female; Folic Acid; HIV Antibodies; HIV Infections; HIV-1; Homocysteine; Humans; Interleukin-2; Lymphocytes; Male; Methionine; Middle Aged; Oxidation-Reduction; Oxidative Stress; Vitamin B 12 | 1996 |
Sulfate and cysteine levels in the plasma of patients with Parkinson's disease.
Topics: Aged; Cysteine; Homocysteine; Humans; Middle Aged; Parkinson Disease; Sulfates | 1995 |
Piggy-back race.
Topics: Acetylcysteine; Animals; Binding, Competitive; Brain; Capillaries; Cells, Cultured; Cysteine; Endothelium, Vascular; Glutathione; Homocysteine; Leucine; Methylmercury Compounds; Penicillamine; Stereoisomerism; Sulfhydryl Compounds | 1995 |
Liver DNA and RNA metabolism in rats fed diets lacking methionine plus cysteine with or without restricted energy.
Topics: Animal Feed; Animals; Body Weight; Cell Nucleus; Cell Size; Cystathionine; Cysteine; Deoxyribonucleases; Diet; DNA; Eating; Energy Metabolism; Homocysteine; Liver; Male; Methionine; Methylation; Organ Size; Proteins; Rats; Rats, Wistar; Ribonucleases; RNA; Solubility | 1995 |
The synthetic/editing active site of an aminoacyl-tRNA synthetase: evidence for binding of thiols in the editing subsite.
Topics: Binding Sites; Cysteine; Escherichia coli; Homocysteine; Kinetics; Methionine; Methionine-tRNA Ligase; Models, Chemical; Recombinant Proteins; Substrate Specificity; Sulfhydryl Compounds | 1996 |
Antioxidant survey to assess antagonism to redox stress using a prokaryotic and an eukaryotic system.
Topics: Antioxidants; Buthionine Sulfoximine; Cysteine; Escherichia coli; Eukaryota; Free Radicals; Glutathione; Homocysteine; Methionine Sulfoximine; Oxidative Stress; Pyrrolidonecarboxylic Acid; Thiazoles; Thiazolidines; Vitamin K; Vitamin K 3 | 1996 |
S-nitrosothiol detection.
Topics: Capillary Action; Chromatography, High Pressure Liquid; Cysteine; Electrochemistry; Electrodes; Electrophoresis; Glutathione; Homocysteine; Indicators and Reagents; Luminescent Measurements; Mercaptoethanol; Nitroso Compounds; Photolysis; S-Nitrosoglutathione; S-Nitrosothiols; Sensitivity and Specificity | 1996 |
Hyperhomocysteinemia induced by folic acid deficiency and methionine load--applications of a modified HPLC method.
Topics: Adult; Animals; Arteriosclerosis; Chromatography, High Pressure Liquid; Cricetinae; Cysteine; Female; Folic Acid Deficiency; Glutathione; Homocysteine; Humans; Male; Methionine; Middle Aged; Rats; Sensitivity and Specificity | 1996 |
Cobalamin-independent methionine synthase from Escherichia coli: a zinc metalloenzyme.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Binding Sites; Cadmium Chloride; Circular Dichroism; Cloning, Molecular; Cysteine; Escherichia coli; Fourier Analysis; Homocysteine; Metalloproteins; Mutagenesis, Site-Directed; Protein Conformation; Spectrum Analysis; Tetrahydrofolates; Vitamin B 12; X-Rays; Zinc | 1996 |
Separation of urinary thiols as tributyltinmercaptides and determination using capillary isotachophoresis.
Topics: Antidotes; Cysteine; Disulfides; Electrophoresis; Electrophoresis, Capillary; Homocysteine; Humans; Hydrogen-Ion Concentration; Hydrolysis; Indicators and Reagents; Penicillamine; Sulfhydryl Compounds; Trialkyltin Compounds | 1996 |
Decreased methylene tetrahydrofolate reductase activity due to the 677C-->T mutation in families with spina bifida offspring.
Topics: 5,10-Methylenetetrahydrofolate Reductase (FADH2); Adult; Aged; Child; Cysteine; Female; Folic Acid; Genetic Linkage; Genotype; Homocysteine; Homozygote; Humans; Lod Score; Lymphocytes; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Netherlands; Oxidoreductases; Point Mutation; Risk Factors; Spinal Dysraphism; Vitamin B 12 | 1996 |
Assay of plasma homocysteine: light sensitivity of the fluorescent 7-benzo-2-oxa-1, 3-diazole-4-sulfonic acid derivative, and use of appropriate calibrators.
Topics: Calibration; Chromatography, High Pressure Liquid; Cysteine; Drug Stability; Fluorescent Dyes; Fluorobenzenes; Homocysteine; Homocystine; Humans; Light; Quality Control; Reproducibility of Results | 1996 |
Homocyst(e)ine is bad for blood vessels, but how come?
Topics: Arteriosclerosis; Blood Vessels; Cardiovascular Diseases; Cysteine; Homocysteine; Homocystine; Humans; Lipoproteins, HDL; Lipoproteins, LDL; Methionine; Risk Factors | 1996 |
Susceptibility of plasma low- and high-density lipoproteins to oxidation in patients with severe hyperhomocysteinemia.
Topics: Adolescent; Child; Child, Preschool; Cholesterol; Cysteine; Female; Homocysteine; Humans; Kinetics; Lipoprotein(a); Lipoproteins, HDL; Lipoproteins, LDL; Male; Methionine; Oxidation-Reduction; Serum Albumin; Thiobarbituric Acid Reactive Substances; Triglycerides | 1996 |
Radiation protection by alpha-methyl-homocysteine thiolactone in vitro.
Topics: Animals; Cell Division; Cell Line; Cell Survival; Cesium Radioisotopes; Cricetinae; Cricetulus; Cysteamine; Cysteine; Homocysteine; Mercaptoethylamines; Radiation Dosage; Radiation-Protective Agents; Radiation, Ionizing | 1997 |
Vitamin B-6 normalizes the altered sulfur amino acid status of rats fed diets containing pharmacological levels of niacin without reducing niacin's hypolipidemic effects.
Topics: Animals; Cysteine; Diet; Homocysteine; Lipids; Male; Methionine; Niacin; Pyridoxine; Rats; Rats, Sprague-Dawley | 1997 |
Copper ions differ from other thiol reactive metal ions in their effects on the concentration and redox status of thiols in HeLa cell cultures.
Topics: Animals; Cadmium; Cations; Copper; Cysteine; Glutathione; HeLa Cells; Homocysteine; Humans; Mercury; Metals, Heavy; Oxidation-Reduction; Oxidative Stress; Silver | 1997 |
Physiological thiol compounds exert pro- and anti-oxidant effects, respectively, on iron- and copper-dependent oxidation of human low-density lipoprotein.
Topics: Copper; Cysteine; Dose-Response Relationship, Drug; Glutathione; Glutathione Disulfide; Homocysteine; Humans; Iron; Lipoproteins, LDL; Osmolar Concentration; Oxidation-Reduction; Sulfhydryl Compounds; Time Factors | 1997 |
beta-Adrenergic stimulation promotes homocysteic acid release from astrocyte cultures: evidence for a role of astrocytes in the modulation of synaptic transmission.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Animals, Newborn; Astrocytes; Atenolol; Cells, Cultured; Cerebral Cortex; Chromatography, High Pressure Liquid; Cysteine; Diffusion Chambers, Culture; Homocysteine; Isoproterenol; Methionine; Methoxamine; Mice; Norepinephrine; Synaptic Transmission | 1997 |
Amperometric detection of organic thiols at a tungsten wire electrode following their separation by liquid chromatography.
Topics: Chromatography, Liquid; Cysteine; Electrochemistry; Electrodes; Glutathione; Homocysteine; Humans; Penicillamine; Seawater; Sensitivity and Specificity; Sulfhydryl Compounds; Thiourea; Tungsten | 1997 |
Elevation of homocysteine and excitatory amino acid neurotransmitters in the CSF of children who receive methotrexate for the treatment of cancer.
Topics: Antimetabolites, Antineoplastic; Central Nervous System; Child; Chromatography, High Pressure Liquid; Cysteine; Excitatory Amino Acids; Homocysteine; Humans; Methotrexate; Neoplasms; Neurotransmitter Agents; Retrospective Studies | 1997 |
Quantitation of total homocysteine in human plasma by derivatization to its N(O,S)-propoxycarbonyl propyl ester and gas chromatography-mass spectrometry analysis.
Topics: Circadian Rhythm; Cysteine; Esters; Formates; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Reference Standards; Reproducibility of Results | 1997 |
Homocysteine accumulation in human ovarian carcinoma ascitic/cystic fluids possibly caused by metabolic alteration of the methionine cycle in ovarian carcinoma cells.
Topics: Adult; Aged; Ascitic Fluid; Cysteine; Female; Folic Acid; Glycine; Homocysteine; Humans; Methionine; Methylation; Middle Aged; Ovarian Neoplasms; Vitamin B 12 | 1997 |
Inhibition of growth and p21ras methylation in vascular endothelial cells by homocysteine but not cysteine.
Topics: Calcium-Calmodulin-Dependent Protein Kinases; Cell Cycle; Cell Division; Cell Membrane; Cells, Cultured; Cysteine; DNA; Endothelium, Vascular; Flow Cytometry; G1 Phase; Guanosine Diphosphate; Guanosine Triphosphate; Homocysteine; Humans; Kinetics; Methylation; Muscle, Smooth, Vascular; Proto-Oncogene Proteins p21(ras); S-Adenosylhomocysteine; Time Factors; Umbilical Veins | 1997 |
Features, symptoms, and neurophysiological findings in stroke associated with hyperhomocysteinemia.
Topics: Adult; Aged; Aged, 80 and over; Cerebrovascular Disorders; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Nervous System Physiological Phenomena; Odds Ratio; Reference Values | 1997 |
Significance of various parameters derived from biological variability of lipoprotein(a), homocysteine, cysteine, and total antioxidant status.
Topics: Adult; Antioxidants; Cysteine; Female; Homocysteine; Humans; Lipoprotein(a); Male; Middle Aged; Reference Values | 1997 |
The cell-damaging effects of low amounts of homocysteine and copper ions in human cell line cultures are caused by oxidative stress.
Topics: Cations, Divalent; Cell Division; Cell Line, Transformed; Copper; Cysteine; Endothelium; Glutathione; HeLa Cells; Homocysteine; Humans; Oxidative Stress | 1997 |
Determination of total homocysteine in human plasma by isocratic high-performance liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Cysteine; Fluorescent Dyes; Fluorobenzenes; Homocysteine; Humans; Male; Oxidation-Reduction; Phosphines; Regression Analysis; Reproducibility of Results; Sensitivity and Specificity | 1997 |
Elevated plasma levels of reduced homocysteine in common variable immunodeficiency--a marker of enhanced oxidative stress.
Topics: Adult; beta Carotene; Biomarkers; CD4 Lymphocyte Count; Common Variable Immunodeficiency; Cysteine; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Lipid Peroxidation; Male; Malondialdehyde; Oxidation-Reduction; Oxidative Stress; Sulfhydryl Compounds; Vitamin B 12; Vitamin E | 1997 |
Excitatory sulfur-containing amino acid-induced release of [3H]GABA from rat olfactory bulb.
Topics: Animals; Cysteine; Dicarboxylic Acids; Dose-Response Relationship, Drug; Excitatory Amino Acids; gamma-Aminobutyric Acid; Homocysteine; In Vitro Techniques; Male; Neurotransmitter Agents; Neurotransmitter Uptake Inhibitors; Olfactory Bulb; Pyrrolidines; Rats; Rats, Sprague-Dawley; Receptors, Glutamate | 1997 |
Low concentrations of folate in serum and erythrocytes of smokers: methionine loading decreases folate concentrations in serum of smokers and nonsmokers.
Topics: Adult; Cysteine; Dipeptides; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Male; Methionine; Smoking | 1997 |
Total, free, and protein-bound sulphur amino acids in uraemic patients.
Topics: Adult; Cysteine; Female; Homocysteine; Humans; Male; Methionine; Middle Aged; Protein Binding; Renal Dialysis; Taurine; Uremia | 1997 |
Methotrexate, homocysteine, and seizures.
Topics: Antimetabolites, Antineoplastic; Antineoplastic Combined Chemotherapy Protocols; Cysteine; Epilepsy, Tonic-Clonic; Homocysteine; Humans; Infant; Male; Methotrexate; Neurotransmitter Agents; Precursor B-Cell Lymphoblastic Leukemia-Lymphoma; Precursor Cell Lymphoblastic Leukemia-Lymphoma | 1998 |
Effect of long-term depletion of plasma methionine on the growth and survival of human brain tumor xenografts in athymic mice.
Topics: Animals; Antimetabolites, Antineoplastic; Brain Neoplasms; Carbon-Sulfur Lyases; Cysteine; Diet; Glutathione; Homocysteine; Humans; Liver; Medulloblastoma; Methionine; Mice; Mice, Inbred BALB C; Mice, Nude; Neoplasm Transplantation; Time Factors; Transplantation, Heterologous | 1997 |
Cystathionine-beta-synthase deficiency: detection of heterozygotes by the ratios of homocysteine to cysteine and folate.
Topics: Adult; Aged; Cystathionine beta-Synthase; Cysteine; Female; Folic Acid; Genetic Carrier Screening; Homocysteine; Homocystinuria; Humans; Male; Middle Aged; Vitamin B 12 | 1998 |
Association between hyperhomocysteinemia and ischemic heart disease in Sri Lankans.
Topics: Adult; Aged; Causality; Cohort Studies; Cysteine; Dipeptides; Female; Homocysteine; Humans; Male; Middle Aged; Myocardial Ischemia; Odds Ratio; Reference Values; Risk Factors; Sri Lanka | 1997 |
Plasma total homocysteine levels in patients with early-onset coronary heart disease and a low cardiovascular risk profile.
Topics: Adult; Body Constitution; Body Mass Index; Cholesterol, HDL; Coronary Disease; Cysteine; Female; Fibrinogen; Glutathione; Homocysteine; Humans; Lipoproteins; Lipoproteins, VLDL; Male; Middle Aged; Risk Factors; Sex Characteristics; Triglycerides; Uric Acid | 1998 |
Protein binding of homocysteine and other thiols in HeLa cell cultures after addition of homocysteine and copper ions.
Topics: Copper; Cysteine; Glutathione; HeLa Cells; Homocysteine; Humans; Protein Binding | 1998 |
Urinary excretion measurement of cysteine and homocysteine in the form of their S-pyridinium derivatives by high-performance liquid chromatography with ultraviolet detection.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Disulfides; Female; Homocysteine; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Phosphines; Pyridinium Compounds; Quality Control; Reference Values; Sensitivity and Specificity; Sulfhydryl Compounds | 1998 |
Study of factors affecting the determination of total plasma 7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate (SBD)-thiol derivatives by liquid chromatography.
Topics: Adult; Borohydrides; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Dithiothreitol; Female; Fluorescent Dyes; Fluorobenzenes; Homocysteine; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Phosphines; Reducing Agents; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfhydryl Reagents | 1998 |
Fully automated assay for total homocysteine, cysteine, cysteinylglycine, glutathione, cysteamine, and 2-mercaptopropionylglycine in plasma and urine.
Topics: Adolescent; Adult; Amino Acids, Sulfur; Autoanalysis; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cysteamine; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Infant; Infant, Newborn; Male; Reference Values; Sensitivity and Specificity; Sulfhydryl Compounds; Tiopronin | 1998 |
Participation of mercuric conjugates of cysteine, homocysteine, and N-acetylcysteine in mechanisms involved in the renal tubular uptake of inorganic mercury.
Topics: Acetylcysteine; Analysis of Variance; Animals; Biological Transport; Cysteine; Disease Models, Animal; Drug Interactions; Feces; Homocysteine; Kidney; Kidney Tubules, Proximal; Ligation; Liver; Male; Mercury; Normal Distribution; Rats; Rats, Sprague-Dawley; Reference Values; Ureter; Urine | 1998 |
Reduction-oxidation (Redox) and vascular tissue level of homocyst(e)ine in human coronary atherosclerotic lesions and role in extracellular matrix remodeling and vascular tone.
Topics: Arteries; Cell Extracts; Coronary Artery Disease; Coronary Vessels; Culture Techniques; Cysteine; Cystine; Disulfides; Dithionitrobenzoic Acid; Endothelium, Vascular; Extracellular Matrix; Homocysteine; Homocystine; Humans; Isometric Contraction; Metalloendopeptidases; Oxidation-Reduction; Vasoconstriction | 1998 |
Convergent synthesis of neoglycopeptides by coupling of 2-bromoethyl glycosides to cysteine and homocysteine residues in T cell stimulating peptides.
Topics: Amino Acid Sequence; Animals; Carbohydrate Sequence; Chromatography, High Pressure Liquid; Cysteine; Glycopeptides; Glycosides; Homocysteine; Humans; Immunodominant Epitopes; Magnetic Resonance Spectroscopy; Molecular Sequence Data; T-Lymphocytes | 1998 |
Neural-tube defects are associated with low concentrations of cobalamin (vitamin B12) in amniotic fluid.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amniocentesis; Amniotic Fluid; Case-Control Studies; Cysteine; Double-Blind Method; Female; Folic Acid; Homocysteine; Humans; Methionine; Methylation; Neural Tube Defects; Pilot Projects; Pregnancy; Reference Values; Vitamin B 12 | 1998 |
Alterations of thiol metabolism in human cell lines induced by low amounts of copper, mercury or cadmium ions.
Topics: Cadmium; Carcinoma, Hepatocellular; Cell Line; Copper; Culture Media; Cysteine; Dipeptides; Endothelium; gamma-Glutamyltransferase; Glutathione; HeLa Cells; Homocysteine; Humans; Mercury; Tumor Cells, Cultured | 1998 |
Sulphur-containing amino acids are agonists for group 1 metabotropic receptors expressed in clonal RGT cell lines.
Topics: Amino Acids, Sulfur; Animals; Cell Line; Cricetinae; Cysteic Acid; Cysteine; Glutamic Acid; Homocysteine; Humans; Mesocricetus; Neurotransmitter Agents; Phosphatidylinositols; Receptor, Metabotropic Glutamate 5; Receptors, Metabotropic Glutamate; Serine | 1998 |
The relationship between plasma homocysteine and amino acid concentrations in patients with end-stage renal disease.
Topics: Adult; Aged; Amino Acids; Amino Acids, Branched-Chain; Amino Acids, Essential; Cross-Sectional Studies; Cysteine; Female; Histidine; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methionine; Middle Aged; Reference Values | 1998 |
High expression, purification, and properties of recombinant homocysteine alpha, gamma-lyase.
Topics: Animals; Carbon-Sulfur Lyases; Cardiovascular Diseases; Chromatography; Cloning, Molecular; Cysteine; Enzyme Stability; Escherichia coli; Homocysteine; Hydrogen-Ion Concentration; Hyperhomocysteinemia; Kinetics; Methionine; Protein Conformation; Protozoan Proteins; Pseudomonas putida; Pyridoxal Phosphate; Recombinant Proteins; Substrate Specificity; Temperature; Trichomonas vaginalis | 1998 |
Elevated plasma levels of homocysteine in Parkinson's disease.
Topics: Aged; Aged, 80 and over; Case-Control Studies; Cysteine; Dipeptides; Female; Homocysteine; Humans; Male; Middle Aged; Parkinson Disease; Risk Factors | 1998 |
Taurine: protective properties against ethanol-induced hepatic steatosis and lipid peroxidation during chronic ethanol consumption in rats.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adenosine Triphosphate; Alcoholism; Animals; Blood Chemical Analysis; Body Weight; Cholestasis; Cysteine; Diet; Fatty Liver; Female; Glutathione; Glutathione Disulfide; Homocysteine; Lipid Peroxidation; Liver; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Taurine; Triglycerides | 1998 |
Total plasma homocysteine as part of the routine aminogram by ion-exchange chromatography.
Topics: Amino Acids; Blood Chemical Analysis; Chromatography, Ion Exchange; Cysteine; Dithiothreitol; Glutamic Acid; Glutamine; Homocysteine; Humans; Time Factors | 1998 |
Rapid and accurate HPLC assay for plasma total homocysteine and cysteine in a clinical laboratory setting.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Homocysteine; Humans; Indicators and Reagents; Laboratories; Phosphines; Reference Values; Reproducibility of Results; Sensitivity and Specificity | 1999 |
Plasma total homocysteine and cysteine in relation to glomerular filtration rate in diabetes mellitus.
Topics: Adult; Aged; Aged, 80 and over; Aging; Creatinine; Cysteine; Diabetes Mellitus, Type 1; Diabetes Mellitus, Type 2; Folic Acid; Glomerular Filtration Rate; Homocysteine; Humans; Insulin; Middle Aged; Vitamin B 12 | 1999 |
Blockade of nitric oxide-induced relaxation of rabbit aorta by cysteine and homocysteine.
Topics: Animals; Aorta; Cysteine; Cytochrome c Group; Homocysteine; Muscle Relaxation; Muscle, Smooth, Vascular; Nitric Oxide; Rabbits; Superoxide Dismutase | 1997 |
Increased plasma levels of homocysteine and other thiol compounds in rheumatoid arthritis women.
Topics: Adult; Amino Acids; Arthritis, Rheumatoid; Cysteine; Female; Folic Acid; Glutathione; Glycine; Homocysteine; Humans; Middle Aged; Vitamin B 12 | 1999 |
Electrochemical reactivity of homocysteine at mercury electrodes as compared with cysteine.
Topics: Catalysis; Cobalt; Cysteine; Electrodes; Homocysteine; Hydrogen; Mercury; Mercury Compounds; Oxidation-Reduction; Polarography | 1999 |
Effect of hydrazine upon vitamin B12-dependent methionine synthase activity and the sulphur amino acid pathway in isolated rat hepatocytes.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amino Acids, Sulfur; Animals; Carcinogens; Cell Survival; Culture Media; Cysteine; Cytosol; Enzyme Inhibitors; Homocysteine; Hydrazines; Liver; Male; Nitroarginine; Rats; Rats, Wistar; Taurine; Vitamin B 12 | 1999 |
Methionine infusion reproduces liver injury of parenteral nutrition cholestasis.
Topics: Amino Acids; Animals; Bile; Cholestasis; Cysteine; Homocysteine; Humans; Infant; Infusions, Intravenous; Liver; Methionine; Parenteral Nutrition, Total; Rabbits | 1999 |
Investigations of S-transnitrosylation reactions between low- and high-molecular-weight S-nitroso compounds and their thiols by high-performance liquid chromatography and gas chromatography-mass spectrometry.
Topics: Acetylcysteine; Chromatography, High Pressure Liquid; Cysteine; Erythrocytes; Gas Chromatography-Mass Spectrometry; Glutathione; Homocysteine; Humans; Hydroxylamine; In Vitro Techniques; Kinetics; Molecular Weight; Nitric Oxide; Nitroso Compounds; Penicillamine; S-Nitroso-N-Acetylpenicillamine; S-Nitrosothiols; Sulfhydryl Compounds | 1999 |
Misacylation of tRNALys with noncognate amino acids by lysyl-tRNA synthetase.
Topics: Acylation; Adenosine Triphosphate; Alanine; Amino Acids; Cysteine; Escherichia coli; Homocysteine; Hydrolysis; Lactams; Leucine; Lysine-tRNA Ligase; Methionine; Ornithine; RNA Editing; RNA, Transfer, Lys; Threonine | 1999 |
Thiols as a measure of plasma redox status in healthy subjects and in patients with renal or liver failure.
Topics: Cysteine; Female; Glutathione; Homocysteine; Humans; Liver Failure; Male; Middle Aged; Oxidation-Reduction; Reference Values; Renal Insufficiency; Sulfhydryl Compounds | 1999 |
Plasma homocysteine concentrations of preterm infants.
Topics: Adult; Aging; Cysteine; Female; Gestational Age; Homocysteine; Humans; Infant, Newborn; Infant, Premature; Male; Reference Values | 1999 |
The effect of cyst(e)ine on the auto-oxidation of homocysteine.
Topics: Cysteine; Cystine; Glutathione; Homocysteine; Oxidation-Reduction | 1999 |
Cysteine is a cardiovascular risk factor in hyperlipidemic patients.
Topics: Adult; Age Distribution; Aged; Arteriosclerosis; Cardiovascular Diseases; Chromatography, High Pressure Liquid; Comorbidity; Confidence Intervals; Confounding Factors, Epidemiologic; Cysteine; Female; Homocysteine; Humans; Hyperlipidemias; Male; Middle Aged; Multivariate Analysis; Odds Ratio; Risk Assessment; Risk Factors; Sex Distribution | 1999 |
Influence of homocysteine on matrix metalloproteinase-2: activation and activity.
Topics: Cysteine; Enzyme Activation; Enzyme Precursors; Gelatin; Gelatinases; Glutathione; Homocysteine; Homocystine; Humans; Hyperhomocysteinemia; Matrix Metalloproteinase 2; Metalloendopeptidases; Methionine | 1999 |
Cysteine biosynthesis in Saccharomyces cerevisiae: a new outlook on pathway and regulation.
Topics: Biological Transport; Cystathionine gamma-Lyase; Cysteine; Homocysteine; Methionine; Saccharomyces cerevisiae; Sulfates | 1999 |
Induction of TIMP-1 expression in rat hepatic stellate cells and hepatocytes: a new role for homocysteine in liver fibrosis.
Topics: Animals; Blotting, Northern; Cells, Cultured; Cysteine; DNA, Complementary; Dose-Response Relationship, Drug; Extracellular Matrix; Gene Expression Regulation; Homocysteine; Liver; Liver Cirrhosis, Experimental; Mercaptoethanol; Muscle, Smooth, Vascular; Polymerase Chain Reaction; Procollagen; Rats; RNA, Messenger; Tissue Inhibitor of Metalloproteinase-1; Transcription Factor AP-1 | 1999 |
N -Acetyl-cysteine reduces homocysteine plasma levels after single intravenous administration by increasing thiols urinary excretion.
Topics: Acetylcysteine; Aged; Aged, 80 and over; Cysteine; Female; Free Radical Scavengers; Homocysteine; Humans; Hyperhomocysteinemia; Male; Middle Aged | 1999 |
Glutathione modulation changes the penetration of N-[3H]methyl-N-nitro-N-nitrosoguanidine into gastric mucosa of rats.
Topics: Animals; Carcinogens; Cysteine; Dipeptides; Gastric Mucosa; Glutathione; Homocysteine; Male; Methylnitronitrosoguanidine; Rats; Rats, Wistar | 1999 |
Evidence for endogenous excitatory amino acids as mediators in DSI of GABA(A)ergic transmission in hippocampal CA1.
Topics: 6-Cyano-7-nitroquinoxaline-2,3-dione; Animals; Cysteine; Evoked Potentials; Excitatory Amino Acids; Glutamic Acid; Hippocampus; Homocysteine; In Vitro Techniques; Male; Neurotransmitter Agents; Pyramidal Cells; Rats; Rats, Sprague-Dawley; Receptors, GABA-A; Synaptic Transmission | 1999 |
Evidence of altered homocysteine metabolism in chronic renal failure.
Topics: Arteriosclerosis; Citrates; Creatinine; Cystathionine; Cysteine; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methionine; Methylmalonic Acid; Middle Aged; Renal Dialysis; Risk Factors; Vitamins | 1999 |
Lifestyle and cardiovascular disease risk factors as determinants of total cysteine in plasma: the Hordaland Homocysteine Study.
Topics: Adult; Age Factors; Aged; Blood Pressure; Cardiovascular Diseases; Cholesterol; Coffee; Cross-Sectional Studies; Cysteine; Female; Homocysteine; Humans; Life Style; Male; Middle Aged; Norway; Risk Factors; Sex Factors | 1999 |
Identification and characterization of a cystathionine beta/gamma-lyase from Lactococcus lactis ssp. cremoris MG1363.
Topics: Amino Acid Sequence; Cheese; Chromatography, Affinity; Chromatography, High Pressure Liquid; Cystathionine gamma-Lyase; Cysteine; Genes, Bacterial; Homocysteine; Lactococcus lactis; Molecular Sequence Data; Recombinant Proteins; Sequence Alignment; Sequence Analysis, DNA; Substrate Specificity | 2000 |
Sulfur-containing amino acids decrease cisplatin cytotoxicity and uptake in renal tubule epithelial cell lines.
Topics: Acetylcysteine; Amino Acids; Animals; Antineoplastic Agents; Cisplatin; Cysteine; Homocysteine; Humans; Kidney Tubules; Methionine; Mice; Tumor Cells, Cultured | 2000 |
Elevated plasma homocysteine elicits an increase in antioxidant enzyme activity.
Topics: Adolescent; Adult; Aged; Antioxidants; Cardiovascular Diseases; Catalase; Child; Cysteine; Erythrocytes; Female; Glutathione Peroxidase; Homocysteine; Humans; Male; Middle Aged; Risk Factors; Superoxide Dismutase | 2000 |
Plasma thiol status in preeclampsia.
Topics: Adult; Case-Control Studies; Cysteine; Female; Glutathione; Homocysteine; Humans; Pre-Eclampsia; Pregnancy; Sulfhydryl Compounds | 2000 |
Homocysteine and other thiol compounds in ageing.
Topics: Adult; Aged; Aged, 80 and over; Aging; Cysteine; Female; Glutathione; Homocysteine; Humans; Male; Sulfhydryl Compounds | 2000 |
Qualitative and quantitative determination of biologically active low-molecular-mass thiols in human blood by reversed-phase high-performance liquid chromatography with photometry and fluorescence detection.
Topics: Chromatography, High Pressure Liquid; Cysteine; Glutathione; Homocysteine; Humans; Molecular Weight; Photometry; Reproducibility of Results; Spectrometry, Fluorescence | 2000 |
Treatment with different doses of folic acid in haemodialysis patients: effects on folate distribution and aminothiol concentrations.
Topics: Biomarkers; Cysteine; Dose-Response Relationship, Drug; Erythrocytes; Female; Folic Acid; Glutathione; Hematinics; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Oxidoreductases Acting on CH-NH Group Donors; Point Mutation; Polymerase Chain Reaction; Pteroylpolyglutamic Acids; Renal Dialysis; Renal Insufficiency; Treatment Outcome | 2000 |
Plasma thiols inhibit hemin-dependent oxidation of human low-density lipoprotein.
Topics: Arteriosclerosis; Cardiovascular Diseases; Cholesterol Esters; Cysteine; Electrophoresis, Agar Gel; Glutathione; Hemin; Homocysteine; Humans; Lipoproteins, LDL; Oxidation-Reduction; Sulfhydryl Compounds; Thiobarbituric Acid Reactive Substances | 2000 |
Status of glutathione and other thiols and disulfides in human plasma.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Disulfides; Dithionitrobenzoic Acid; Glutathione; Homocysteine; Humans; In Vitro Techniques; Male; Oxidation-Reduction; Sulfhydryl Compounds; Sulfhydryl Reagents | 2000 |
Case-control study of plasma folate, homocysteine, vitamin B(12), and cysteine as markers of cervical dysplasia.
Topics: Adult; Alcohol Drinking; Case-Control Studies; Contraceptives, Oral; Cysteine; DNA, Viral; Female; Folic Acid; Gravidity; Homocysteine; Humans; Middle Aged; Papillomaviridae; Papillomavirus Infections; Regression Analysis; Risk Factors; Tumor Virus Infections; Uterine Cervical Dysplasia; Vitamin B 12 | 2000 |
Redox status of plasma homocysteine and other plasma thiols in stroke patients.
Topics: Aged; Cysteine; Female; Glutathione; Homocysteine; Humans; Male; Middle Aged; Osmolar Concentration; Oxidation-Reduction; Reference Values; Stroke; Sulfhydryl Compounds | 2000 |
Plasma homocysteine and MTHFR C677T genotype in levodopa-treated patients with PD.
Topics: Aged; Aged, 80 and over; Antiparkinson Agents; Cysteine; Female; Folic Acid; Genotype; Homocysteine; Humans; Levodopa; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Oxidoreductases Acting on CH-NH Group Donors; Parkinson Disease; Point Mutation | 2000 |
Assessment of vitamin B-12, folate, and vitamin B-6 status and relation to sulfur amino acid metabolism in neonates.
Topics: Amino Acids; Breast Feeding; Cross-Sectional Studies; Cysteine; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Infant Food; Infant, Newborn; Male; Pyridoxine; Sulfur; Vitamin B 12 | 2000 |
[Homocysteine and its metabolites in chronic renal insufficiency and the effect of a vitamin replacement].
Topics: Adult; Aged; Arteriosclerosis; Cysteine; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Male; Methionine; Middle Aged; Pyridoxine; Renal Dialysis; Severity of Illness Index; Vitamin B 12; Vitamin B Complex | 2000 |
A C677T mutation in the methylenetetrahydrofolate reductase gene modifies serum cysteine in dialysis patients.
Topics: Adult; Aged; Aged, 80 and over; Analysis of Variance; Case-Control Studies; Cysteine; Female; Genotype; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Oxidoreductases Acting on CH-NH Group Donors; Point Mutation; Regression Analysis; Renal Dialysis | 2000 |
Role of aminothiols as a component of the plasma antioxidant system and relevance to homocysteine-mediated vascular disease.
Topics: Adolescent; Adult; Aged; Antioxidants; Child; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Linear Models; Male; Middle Aged; Oxidation-Reduction; Oxidative Stress; Risk Factors; Vascular Diseases | 2001 |
Homocysteine and thiol metabolites in vitamin B12 deficiency.
Topics: Aged; Cysteine; Dehydroepiandrosterone Sulfate; Female; Glutathione Peroxidase; Homocysteine; Humans; Male; Middle Aged; Sulfhydryl Compounds; Vitamin B 12; Vitamin B 12 Deficiency | 2001 |
Configuration of thiols dictates their ability to promote iron-induced reactive oxygen species generation.
Topics: Acetylcysteine; Animals; Antioxidants; Cerebral Cortex; Cysteine; Glutathione; Homocysteine; Indicators and Reagents; Iron; Male; Mice; Mice, Inbred Strains; Mitochondria; Oxidation-Reduction; Reactive Oxygen Species; Structure-Activity Relationship; Sulfhydryl Compounds; Synaptosomes | 2000 |
Resonance Raman characterization of the heme cofactor in cystathionine beta-synthase. Identification of the Fe-S(Cys) vibration in the six-coordinate low-spin heme.
Topics: Binding, Competitive; Carbon Monoxide; Cystathionine beta-Synthase; Cysteine; Ferric Compounds; Ferrous Compounds; Heme; Homocysteine; Humans; Iron-Sulfur Proteins; Ligands; Mercuric Chloride; Molybdenum; Oxidation-Reduction; Protein Binding; Pyridoxal Phosphate; Spectrum Analysis, Raman | 2001 |
Homocysteine inhibits TNF-alpha-induced endothelial adhesion molecule expression and monocyte adhesion via nuclear factor-kappaB dependent pathway.
Topics: Cell Adhesion; Cells, Cultured; Cysteine; Dose-Response Relationship, Drug; E-Selectin; Endothelium; Endothelium, Vascular; Enzyme-Linked Immunosorbent Assay; Glutathione; Homocysteine; Humans; Intercellular Adhesion Molecule-1; Monocytes; NF-kappa B; Polymerase Chain Reaction; Tumor Necrosis Factor-alpha; U937 Cells; Umbilical Cord; Vascular Cell Adhesion Molecule-1 | 2001 |
Oxidized and free whole blood thiols in preeclampsia.
Topics: Adult; Cysteine; Dipeptides; Female; Glutathione; HELLP Syndrome; Homocysteine; Humans; Infant, Newborn; Lipid Peroxidation; Oxidation-Reduction; Oxidative Stress; Pre-Eclampsia; Pregnancy; Reference Values; Sulfhydryl Compounds | 2001 |
Differences between cysteine and homocysteine in the induction of deoxyribose degradation and DNA damage.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Animals; Ascorbic Acid; Catalase; Cattle; Copper; Cysteine; Deoxyguanosine; Deoxyribose; DNA Damage; Electrophoresis, Agar Gel; Homocysteine; Oxidation-Reduction; Oxygen Consumption; Reactive Oxygen Species; Spectrophotometry; Superoxide Dismutase; Thiourea; Thymus Gland | 2001 |
Occurrence of transsulfuration in synthesis of L-homocysteine in an extremely thermophilic bacterium, Thermus thermophilus HB8.
Topics: Culture Media; Cystathionine; Cystathionine gamma-Lyase; Cysteine; Cysteine Synthase; Gene Expression Regulation, Bacterial; Homocysteine; Lyases; Methionine; S-Adenosylmethionine; Sulfur; Temperature; Thermus thermophilus | 2001 |
Enzymatic determination of homocysteine in cell extracts.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Cell Extracts; Cysteine; Escherichia coli; Homocysteine; Humans; Radioactive Tracers; Reference Standards; Tumor Cells, Cultured | 2001 |
Voltammetric behavior of L-cysteine in the presence of CPB at a silver electrode.
Topics: 3-Mercaptopropionic Acid; Cetylpyridinium; Cysteamine; Cysteine; Electrochemistry; Electrodes; Homocysteine; Silver; Surface-Active Agents | 2001 |
Umbilical cord and maternal plasma thiol concentrations in normal pregnancy.
Topics: Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Homocysteine; Humans; Infant, Newborn; Pregnancy; Sulfhydryl Compounds; Umbilical Cord | 2001 |
High cysteine levels in renal transplant recipients: relationship with hyperhomocysteinemia and 5,10-MTHFR polymorphism.
Topics: 5,10-Methylenetetrahydrofolate Reductase (FADH2); Adult; Cysteine; Female; Folic Acid; Genotype; Homocysteine; Humans; Kidney Transplantation; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Oxidoreductases; Plasminogen Activator Inhibitor 1; Point Mutation; Polymorphism, Genetic; Pyridoxine; Vitamin B 12 | 2001 |
Simultaneous determination of several amino acids, including homocysteine, cysteine and glutamic acid, in human plasma by isocratic reversed-phase high-performance liquid chromatography with fluorimetric detection.
Topics: Cardiovascular Diseases; Chromatography, High Pressure Liquid; Cysteine; Glutamic Acid; Homocysteine; Humans; o-Phthalaldehyde; Sensitivity and Specificity; Spectrometry, Fluorescence | 2001 |
Albumin thiolate anion is an intermediate in the formation of albumin-S-S-homocysteine.
Topics: Albumins; Anions; Chromatography, High Pressure Liquid; Cysteine; Disulfides; Electrophoresis, Polyacrylamide Gel; Homocysteine; Humans; Hydrogen-Ion Concentration; Kinetics; Mercaptoethanol; Models, Chemical; Pentetic Acid; Protein Binding; Protein Conformation; Serum Albumin; Time Factors | 2001 |
Novel approach for the determination of the redox status of homocysteine and other aminothiols in plasma from healthy subjects and patients with ischemic stroke.
Topics: Adult; Analysis of Variance; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Ischemia; Male; Oxidation-Reduction; Stroke | 2001 |
Relationships among plasma homocysteine, cysteine, and albumin concentrations: potential utility of assessing the cysteine/homocysteine ratio.
Topics: Adult; Aged; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Serum Albumin; Statistics as Topic | 2001 |
Plasma total cysteine as a risk factor for vascular disease: The European Concerted Action Project.
Topics: Adult; Case-Control Studies; Creatinine; Cysteine; Female; Folic Acid; Homocysteine; Humans; Logistic Models; Male; Middle Aged; Odds Ratio; Pyridoxine; Risk Factors; Vascular Diseases; Vitamin B 12 | 2001 |
Homocysteine metabolism in children with Down syndrome: in vitro modulation.
Topics: Adenosine; Case-Control Studies; Child; Chromatography, High Pressure Liquid; Cystathionine; Cystathionine beta-Synthase; Cysteine; DNA Methylation; Down Syndrome; Glutathione; Homocysteine; Humans; Leucovorin; Lymphocytes; Methionine; Oxidative Stress; S-Adenosylhomocysteine; S-Adenosylmethionine; Sarcosine; Superoxide Dismutase; Thymidine; Vitamin B 12 | 2001 |
The role of cysteine and homocysteine in venous and arterial thrombotic disease.
Topics: Adult; Aged; Aged, 80 and over; Arteries; Cysteine; Fasting; Female; Homocysteine; Humans; Male; Methionine; Middle Aged; Myocardial Infarction; Reference Values; Thrombosis; Venous Thrombosis | 2001 |
Yeast cytoplasmic and mitochondrial methionyl-tRNA synthetases: two structural frameworks for identical functions.
Topics: Acylation; Amino Acid Sequence; Binding Sites; Coenzyme A; Cysteine; Cytoplasm; Genes, Fungal; Genetic Complementation Test; Homocysteine; Kinetics; Methionine; Methionine-tRNA Ligase; Mitochondria; Molecular Sequence Data; Mutation; Protein Transport; RNA, Transfer, Met; Saccharomyces cerevisiae; Sequence Alignment; Structure-Activity Relationship; Zinc; Zinc Fingers | 2001 |
The relation between plasma cysteine, plasma homocysteine and coronary atherosclerosis.
Topics: Adult; Case-Control Studies; Coronary Artery Disease; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Reference Values; Risk Factors | 2001 |
Pre-column derivatization high-performance liquid chromatographic method for determination of cysteine, cysteinyl-glycine, homocysteine and glutathione in plasma and cell extracts.
Topics: Cell Extracts; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 2001 |
Induction of oxidative stress by homocyst(e)ine impairs endothelial function.
Topics: Acetylcholine; Animals; Aorta; Caspases; Cysteine; Elastin; Endothelium, Vascular; Glutathione; Homocysteine; In Vitro Techniques; Metalloendopeptidases; Niacinamide; Nitric Oxide; Nitroprusside; Oxidative Stress; Rats; Rats, Wistar; Tissue Inhibitor of Metalloproteinase-4; Tissue Inhibitor of Metalloproteinases; Tyrosine; Vasodilation | 2001 |
Sulfur-to-nitrogen transnitrosation: transfer of nitric oxide from S-nitroso compounds to diethanolamine and the role of intermediate sulfur-to-sulfur transnitrosation.
Topics: Chromatography, High Pressure Liquid; Cysteine; Ethanolamines; Homocysteine; Nitrates; Nitric Oxide; Nitrogen; Nitrosation; Nitroso Compounds; S-Nitrosothiols; Signal Transduction; Sulfhydryl Compounds; Sulfur; Time Factors | 2001 |
Biosynthesis of methionine from homocysteine, cystathionine and homoserine plus cysteine by mixed rumen microorganisms in vitro.
Topics: Amino Acids; Aminobutyrates; Anaerobiosis; Animals; Bacteria; Culture Media; Cystathionine; Cysteine; Eukaryota; Goats; Homocysteine; Homoserine; Methionine; Rumen; Temperature | 2001 |
Oxidation and generation of hydrogen peroxide by thiol compounds in commonly used cell culture media.
Topics: Acetylcysteine; Animals; Cattle; Cell Culture Techniques; Culture Media; Cysteamine; Cysteine; Dipeptides; Dose-Response Relationship, Drug; Electrophysiology; Free Radical Scavengers; Glutathione; Homocysteine; Hydrogen Peroxide; Oxidation-Reduction; Sulfhydryl Compounds | 2001 |
COMT genotype, micronutrients in the folate metabolic pathway and breast cancer risk.
Topics: Breast Neoplasms; Case-Control Studies; Catechol O-Methyltransferase; Cysteine; Estrogens, Catechol; Female; Folic Acid; Genotype; Homocysteine; Humans; Methylation; Micronutrients; Middle Aged; Polymerase Chain Reaction; Polymorphism, Restriction Fragment Length; Pyridoxal Phosphate; Risk Factors; S-Adenosylmethionine; Vitamin B 12 | 2001 |
Does a single vitamin B-supplementation induce functional vitamin B-deficiency?
Topics: Adult; Cystathionine; Cysteine; Dietary Supplements; Folic Acid; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Methionine; Methylmalonic Acid; Middle Aged; Models, Biological; Pilot Projects; Time Factors; Vitamin B 12; Vitamin B 6; Vitamin B Complex; Vitamin B Deficiency | 2001 |
Relative roles of albumin and ceruloplasmin in the formation of homocystine, homocysteine-cysteine-mixed disulfide, and cystine in circulation.
Topics: Ceruloplasmin; Chromatography, High Pressure Liquid; Copper; Cysteine; Disulfides; Dose-Response Relationship, Drug; Homocysteine; Homocystine; Humans; Models, Biological; Oxygen; Protein Binding; Serum Albumin; Sulfhydryl Compounds; Time Factors | 2001 |
Antiepileptic drugs as independent predictors of plasma total homocysteine levels.
Topics: Adult; Amino Acid Substitution; Anticonvulsants; Cholesterol; Cholesterol, HDL; Confidence Intervals; Cysteine; Epilepsy; Fasting; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Middle Aged; Mutation; Predictive Value of Tests; Prevalence; Statistics, Nonparametric; Threonine; Triglycerides; Vitamin B 12 | 2001 |
Effects of homocysteine on murine splenic B lymphocyte proliferation and its signal transduction mechanism.
Topics: Analysis of Variance; Animals; Apolipoproteins E; Arteriosclerosis; B-Lymphocytes; Catalase; Cell Division; Cells, Cultured; Cysteine; Dimethyl Sulfoxide; Enzyme Inhibitors; Free Radical Scavengers; Glutathione; Homocysteine; Imidazoles; Indoles; L-Lactate Dehydrogenase; Lipopolysaccharides; Male; Mice; Mice, Inbred BALB C; Mice, Knockout; Mitogen-Activated Protein Kinases; Naphthalenes; NF-kappa B; p38 Mitogen-Activated Protein Kinases; Protein Kinase C; Pyridines; Pyrrolidines; Reactive Oxygen Species; Signal Transduction; Spleen; Stimulation, Chemical; Sulfhydryl Compounds; Superoxide Dismutase; Thiocarbamates | 2001 |
Metabolism of amino acids in cats with severe cobalamin deficiency.
Topics: Amino Acids; Animals; Cat Diseases; Cats; Cystathionine; Cysteine; Female; Gastrointestinal Diseases; Homocysteine; Immunoassay; Male; Methionine; Methylmalonic Acid; Statistics, Nonparametric; Vitamin B 12; Vitamin B 12 Deficiency | 2001 |
Modulation of cyanoalanine synthase and O-acetylserine (thiol) lyases A and B activity by beta-substituted alanyl and anion inhibitors.
Topics: Alanine; Allosteric Regulation; Allosteric Site; Anions; Carbon-Oxygen Lyases; Cysteine; Cysteine Synthase; Dimerization; Homocysteine; Hydrogen Bonding; Intracellular Membranes; Isoenzymes; Kinetics; Lyases; Mitochondria; Models, Biological; Multienzyme Complexes; Potassium Cyanide; Saccharomyces cerevisiae Proteins; Serine; Spinacia oleracea | 2002 |
Plasma aminothiol oxidation in chronic hemodialysis patients.
Topics: Adult; Blood Proteins; Cysteine; Glutathione; Homocysteine; Humans; Kidney Failure, Chronic; Middle Aged; Oxidation-Reduction; Oxidative Stress; Protein Binding; Renal Dialysis; Uremia | 2002 |
Methionine synthase activity and sulphur amino acid levels in the rat liver tumour cells HTC and Phi-1.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adenosine Triphosphate; Amino Acids, Sulfur; Animals; Cell Division; Culture Media; Cysteine; Glutathione; Hepatocytes; Homocysteine; Methionine; Rats; Taurine; Tumor Cells, Cultured | 2002 |
Homocysteine attenuates hemodynamic responses to nitric oxide in vivo.
Topics: Acetylcholine; Animals; Arterioles; Blood Pressure; Calcium Channel Blockers; Cysteine; Dose-Response Relationship, Drug; Drug Interactions; Femoral Artery; Homocysteine; Male; Nicardipine; Nitric Oxide; Nitroprusside; Rats; Rats, Sprague-Dawley; Regional Blood Flow; S-Nitrosothiols; Vasodilator Agents; Verapamil | 2002 |
Correlates of plasma homocysteine, cysteine and cysteinyl-glycine in respondents in the British National Diet and Nutrition Survey of young people aged 4-18 years, and a comparison with the survey of people aged 65 years and over.
Topics: Adolescent; Aged; Aging; Biomarkers; Child; Child, Preschool; Cysteine; Diet Surveys; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Male; Reference Values; Seasons; Sex Factors; Smoking; United Kingdom; Vitamin B 12; Vitamin B 6 | 2002 |
Plasma total homocysteine and cysteine levels as cardiovascular risk factors in coronary heart disease.
Topics: Aged; Case-Control Studies; Coronary Disease; Cysteine; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Lipoproteins, VLDL; Male; Middle Aged; Risk Factors; Triglycerides; Vitamin B 12 | 2002 |
Evidence for the involvement of tetrahydrofolate in the demethylation of nicotine by Nicotiana plumbaginifolia cell-suspension cultures.
Topics: Carbon Radioisotopes; Cells, Cultured; Cysteine; Homocysteine; Magnetic Resonance Spectroscopy; Methionine; Methylation; Models, Chemical; Nicotiana; Nicotine; Plant Extracts; Serine; Tetrahydrofolates | 2002 |
The redox state of glutathione, cysteine and homocysteine in the extracellular fluid in the skin.
Topics: Blister; Cysteine; Extracellular Space; Female; Glutathione; Homocysteine; Humans; Male; Oxidation-Reduction; Skin | 2002 |
Thiol-induced discharge of acontial nematocytes.
Topics: Alkylating Agents; Animals; Anthozoa; Bites and Stings; Chemoreceptor Cells; Cysteine; Disulfides; Glutathione; Homocysteine; Iodoacetamide; Oxidation-Reduction; Penicillamine; Sulfhydryl Compounds | 2002 |
Selenium deficiency in Fisher-344 rats decreases plasma and tissue homocysteine concentrations and alters plasma homocysteine and cysteine redox status.
Topics: Animals; Betaine-Homocysteine S-Methyltransferase; Cysteine; Dose-Response Relationship, Drug; Glutathione; Glutathione Peroxidase; Homocysteine; Kidney; Liver; Male; Methionine; Methyltransferases; Myocardium; Oxidation-Reduction; Rats; Rats, Inbred F344; Selenium | 2002 |
The effects of haloalkene cysteine conjugates on cytosolic free calcium levels in LLC-PK(1) cells--studies utilising digital imaging fluorescence microscopy.
Topics: Aminooxyacetic Acid; Animals; Butadienes; Calcium; Cysteine; Cytosol; Egtazic Acid; Enzyme Inhibitors; Fluorescent Dyes; Fura-2; Homocysteine; Image Processing, Computer-Assisted; L-Lactate Dehydrogenase; LLC-PK1 Cells; Microscopy, Fluorescence; Swine; Tacrolimus | 2002 |
Brain hydrogen sulfide is severely decreased in Alzheimer's disease.
Topics: Alzheimer Disease; Amino Acids; Blotting, Western; Brain; Cysteine; Dose-Response Relationship, Drug; Homocysteine; Humans; Hydrogen Sulfide; S-Adenosylmethionine | 2002 |
Combined cysteine and homocysteine quantitation in plasma by trap and release membrane introduction mass spectrometry.
Topics: Cysteine; Homocysteine; Humans; Mass Spectrometry | 2002 |
Plasma sulfur amino acids in relation to cardiovascular disease, nutritional status, and diabetes mellitus in patients with chronic renal failure at start of dialysis therapy.
Topics: Adult; Amino Acids, Sulfur; Cardiovascular Diseases; Cross-Sectional Studies; Cysteine; Deficiency Diseases; Diabetic Nephropathies; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methionine; Middle Aged; Nutrition Assessment; Nutrition Disorders; Nutritional Status; Prevalence; Protein-Energy Malnutrition; Renal Dialysis; Serum Albumin | 2002 |
Homocysteine is the only plasma thiol associated with carotid artery remodeling.
Topics: Adult; Analysis of Variance; Biomarkers; Carotid Arteries; Chromatography, High Pressure Liquid; Cohort Studies; Cysteine; Female; Glutathione; Homocysteine; Humans; Linear Models; Male; Middle Aged; Multivariate Analysis; Probability; Prospective Studies; Reference Values; Sensitivity and Specificity; Tunica Intima; Tunica Media; Ultrasonography, Doppler | 2002 |
L-cysteine prevents oxidation-induced block of the cardiac Na+ channel via interaction with heart-specific cysteinyl residues in the P-loop region.
Topics: Cysteine; Dose-Response Relationship, Drug; Homocysteine; Humans; Mercury; Methionine; Myocardium; Oxidation-Reduction; Patch-Clamp Techniques; Sodium Channels | 2002 |
Homocysteine and cysteine - albumin binding in homocystinuria: assessment of cysteine status and implications for glutathione synthesis?
Topics: Adolescent; Adult; Albumins; Cystathionine beta-Synthase; Cysteine; Female; Glutathione; Homocysteine; Homocystinuria; Humans; Male; Middle Aged; Protein Binding | 2002 |
Association of hyperhomocysteinemia with plasma sulfate and urine sulfate excretion in patients with progressive renal disease.
Topics: Analysis of Variance; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Male; Middle Aged; Proteinuria; Sulfates; Urea | 2002 |
S-homoadenosyl-L-cysteine and S-homoadenosyl-L-homocysteine. Synthesis and binding studies of hon-hydrolyzed substrate analogues with S-adenosyl-L-homocysteine hydrolase.
Topics: Adenosylhomocysteinase; Cysteine; Enzyme Inhibitors; Homocysteine; Humans; Hydrolases; Kinetics; Placenta; Protein Binding; S-Adenosylmethionine | 2002 |
Homocysteine promotes the LDL oxidase activity of ceruloplasmin.
Topics: Ceruloplasmin; Copper; Cysteine; Homocysteine; Humans; Indicators and Reagents; Lipoproteins, HDL; Lipoproteins, LDL; Methionine; Oxidation-Reduction; Phenanthrolines | 2002 |
Interorgan exchange of aminothiols in humans.
Topics: Adult; Cysteine; Dipeptides; Female; Glutathione; Homeostasis; Homocysteine; Humans; Kidney; Leg; Male; Middle Aged; Muscle, Skeletal; Splanchnic Circulation | 2003 |
Predictors of change in plasma total cysteine: longitudinal findings from the Hordaland homocysteine study.
Topics: Adult; Age Factors; Aged; Blood Pressure; Body Mass Index; Cardiovascular Diseases; Cholesterol; Cysteine; Female; Homocysteine; Humans; Life Style; Longitudinal Studies; Male; Middle Aged; Risk Factors; Sex Factors | 2003 |
Cobalamin deficiency with and without neurologic abnormalities: differences in homocysteine and methionine metabolism.
Topics: Anemia; Anemia, Pernicious; Cysteine; Dipeptides; Folic Acid; Glutathione; Homocysteine; Humans; Memory Disorders; Methionine; Movement Disorders; Nervous System Diseases; Retrospective Studies; S-Adenosylmethionine; Sensation Disorders; Vitamin B 12; Vitamin B 12 Deficiency | 2003 |
Plasma total cysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine Study.
Topics: Abruptio Placentae; Adult; Congenital Abnormalities; Cysteine; Female; Homocysteine; Humans; Infant, Newborn; Infant, Premature; Infant, Very Low Birth Weight; Norway; Odds Ratio; Pre-Eclampsia; Pregnancy; Pregnancy Complications; Pregnancy Outcome; Registries; Risk Factors | 2003 |
Alzheimer's disease and total plasma aminothiols.
Topics: Aged; Aged, 80 and over; Alzheimer Disease; Chromatography, High Pressure Liquid; Cysteine; Folic Acid; Glutathione; Homocysteine; Humans; Mental Status Schedule; Neuropsychological Tests; Prognosis; Reference Values; Vitamin B 12 | 2003 |
A simultaneous liquid chromatography/mass spectrometric assay of glutathione, cysteine, homocysteine and their disulfides in biological samples.
Topics: Animals; Chromatography, Liquid; Cysteine; Disulfides; Glutathione; Homocysteine; Male; Mass Spectrometry; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity | 2003 |
Free cysteine is increased in plasma from hemodialysis patients.
Topics: Acids; Adult; Cysteine; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Middle Aged; Renal Dialysis; Solubility; Sulfhydryl Compounds | 2003 |
Redox regulation of homocysteine-dependent glutathione synthesis.
Topics: Antioxidants; Ascorbic Acid; Catalase; Cell Line; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Glutamate-Cysteine Ligase; Glutathione; Glutathione Synthase; Homocysteine; Humans; Hydrogen Peroxide; Ketoglutaric Acids; Kinetics; Oxidation-Reduction; Superoxide Dismutase; tert-Butylhydroperoxide; Time Factors; Vitamin E | 2003 |
Modulation of extracellular homocysteine concentration in human cell lines.
Topics: Acetylcysteine; Amino Acid Transport Systems; Carcinoma, Hepatocellular; Copper; Cysteine; Dithiothreitol; Extracellular Fluid; HeLa Cells; Homocysteine; Humans; Oxidation-Reduction; Sulfhydryl Compounds; Sulfonic Acids; Tumor Cells, Cultured | 2003 |
Characterization of a novel thermostable O-acetylserine sulfhydrylase from Aeropyrum pernix K1.
Topics: Amino Acid Sequence; Archaeal Proteins; Binding Sites; Cystathionine; Cysteine; Cysteine Synthase; Desulfurococcaceae; Dithiothreitol; Enzyme Activation; Enzyme Stability; Homocysteine; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Sequence Homology, Amino Acid; Serine; Substrate Specificity; Sulfides; Temperature | 2003 |
Effect of a methionine-supplemented diet on the blood pressure of Wistar-Kyoto and spontaneously hypertensive rats.
Topics: Acetylcholine; Analysis of Variance; Animals; Aorta; Bradykinin; Cysteine; Dietary Supplements; Endothelium, Vascular; Glutathione; Homocysteine; Hyperhomocysteinemia; Hypertension; Male; Methionine; Nitroprusside; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Sodium; Systole; Vasodilator Agents | 2003 |
Homocysteine strongly enhances metal-catalyzed LDL oxidation in the presence of cystine and cysteine.
Topics: Amidines; Blood Chemical Analysis; Catalysis; Copper; Cysteine; Cystine; Disulfides; Dose-Response Relationship, Drug; Homocysteine; Humans; Hydrogen-Ion Concentration; Iron; Lipoproteins, LDL; Oxidants; Oxidation-Reduction; Reactive Oxygen Species; Sulfhydryl Compounds; Thiobarbituric Acid Reactive Substances; Time Factors | 2003 |
Effects of long-term administration of methionine on vascular endothelium in rabbits.
Topics: Acetylcholine; Animals; Aorta, Thoracic; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Cysteine; Endothelium, Vascular; Enzyme Inhibitors; Homocysteine; Isometric Contraction; Lipids; Male; Methionine; Muscle Relaxation; Muscle, Smooth, Vascular; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type III; Nitroglycerin; Rabbits; Superoxide Dismutase; Thromboplastin; Time Factors; Triglycerides | 2003 |
Oxidative damage to cellular and isolated DNA by homocysteine: implications for carcinogenesis.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Animals; Carcinogens; Cattle; Cells, Cultured; Chromatography, High Pressure Liquid; Copper; Cysteine; Deoxyguanosine; DNA; DNA Damage; Free Radical Scavengers; Guanine; HL-60 Cells; Homocysteine; Humans; Luminescent Measurements; Oxidative Stress; Phosphorus Radioisotopes; Proto-Oncogene Mas; Pyrenes; Singlet Oxygen; Thymine; Thymus Gland | 2003 |
Use of disposable gold working electrodes for cation chromatography-integrated pulsed amperometric detection of sulfur-containing amino acids.
Topics: Calibration; Cations; Chromatography, Ion Exchange; Cysteine; Disposable Equipment; Gold; Homocysteine; Ion-Selective Electrodes; Methionine; Quality Control; Reproducibility of Results; Time Factors | 2003 |
Plasma thiols and their determinants in phenylketonuria.
Topics: Adolescent; Cross-Sectional Studies; Cysteine; Female; Folic Acid; Glutathione; Homocysteine; Humans; Male; Methionine; Phenylalanine; Phenylketonurias; Sulfhydryl Compounds; Vitamin B 12 | 2003 |
N-methyl-D-glucamine improves the laser-induced fluorescence capillary electrophoresis performance in the total plasma thiols measurement.
Topics: Adult; Buffers; Cysteine; Dipeptides; Electrophoresis, Capillary; Fluoresceins; Fluorescence; Glutathione; Homocysteine; Humans; Lasers; Meglumine; Sulfhydryl Compounds | 2003 |
Regulation of S-adenosylmethionine levels in Saccharomyces cerevisiae.
Topics: Cell Division; Cysteine; Formates; Gene Deletion; Gene Expression Regulation, Fungal; Genotype; Glycine; Homocysteine; Microscopy, Fluorescence; Models, Biological; Mutation; S-Adenosylmethionine; Saccharomyces cerevisiae; Sulfur; Time Factors; Vacuoles | 2003 |
[Paper chromatography of homocysteine in presence of related sulfur containing amino acids].
Topics: Amino Acids; Chromatography, Paper; Cysteine; Homocysteine; Sulfur | 1956 |
[Influence of mercuric ions on decarboxylase activity of cysteine and homocysteine].
Topics: Carboxy-Lyases; Cysteine; Homocysteine; Humans; Ions; Lyases; Mercury | 1956 |
Biosynthesis of methionine from homocysteine and s-methylmethionine in bacteria.
Topics: Bacteria; Cysteine; Homocysteine; Methionine; Vitamin U | 1956 |
[Cysteine, homocysteine, cystathionine & cysteinamine as necrotropic liver protective substances, combined with glucose & fructose].
Topics: Catabolite Repression; Cystathionine; Cysteamine; Cysteine; Fructose; Glucose; Homocysteine; Humans; Liver; Mercaptoethylamines | 1957 |
[Homocysteine-thiolactone, cysteine and fructose therapy of acute and chronic hepatitis].
Topics: Cysteine; Fructose; Hepatitis; Hepatitis A; Hepatitis, Chronic; Homocysteine; Humans; Propionates | 1957 |
Synthesis and properties of adenosyl-L-homocysteine.
Topics: Adenosine; Cysteine; Homocysteine | 1958 |
The enzymatic synthesis of S-adenosyl-L-homocysteine from adenosine and homocysteine.
Topics: Adenosine; Cysteine; Homocysteine | 1959 |
Choline biogenesis II. The effect of homocysteine on serine metabolism.
Topics: Choline; Cysteine; Homocysteine; Humans; Serine | 1961 |
Enzymatic methylation of homocysteine by a synthetic tetrahydrofolate derivative.
Topics: Cysteine; Folic Acid; Homocysteine; Humans; Methylation; Tetrahydrofolates | 1961 |
[On some biochemical properties of rhodizonic acid. Glutathione and homocysteine].
Topics: Cyclohexanones; Cysteine; Glutathione; Homocysteine; Quinones | 1961 |
[On the opening of the ring and oxidation of the sulfhydryl groups in homocysteine thiolactone].
Topics: Cysteine; Homocysteine; Oxidation-Reduction; Sulfhydryl Compounds | 1960 |
[Ethionine pancreatitis in the rat. II. Attempts to prevent ethionine injury by methionine, cysteine-homocysteine, choline and betaine].
Topics: Animals; Betaine; Choline; Cysteine; Ethionine; Homocysteine; Methionine; Pancreatitis; Rats | 1960 |
The synthesis of methionine from homocysteine by enzymic extracts of Escherichia coli.
Topics: Cysteine; Escherichia coli; Homocysteine; Methionine | 1960 |
[The influence of 1-cysteine, d, 1-homocysteine thiolactone and d-fructose on the 17-ketosteroid fractions in the urine of patients with liver diseases].
Topics: 17-Ketosteroids; Body Fluids; Cysteine; Fructose; Homocysteine; Humans; Liver Diseases; Organic Chemicals | 1959 |
[On the protective effect of beta-aminoethyliso-thiuronium (AET) and alpha-homocysteine thiolactone (HCT) against nitrogen-lost in the mouse].
Topics: Animals; Cysteine; Homocysteine; Mechlorethamine; Mice; Nitrogen; Nitrogen Mustard Compounds; Sulfhydryl Compounds | 1960 |
Preparation and properties of S-adenosyl-L-homocysteine, S-adenosyl-L-homocysteine sulfoxide and S-ribosyl-L-homocysteine.
Topics: Cysteine; Homocysteine; Nucleosides; Nucleotides; Safrole; Sulfoxides | 1962 |
[On the interaction between glyoxylic acid and the biological thiols cysteine, cysteamine and homocysteine].
Topics: Acetates; Cysteamine; Cysteine; Glyoxylates; Homocysteine; Mercaptoethylamines; Sulfhydryl Compounds | 1962 |
Accumulation of cystathionine in a homocysteine requiring mutant of Aerobacter aerognes.
Topics: Amino Acids; Cystathionine; Cysteine; Enterobacter; Enterobacter aerogenes; Homocysteine | 1962 |
The presence of homocysteine in the paunch liquid.
Topics: Animals; Biochemical Phenomena; Cysteine; Homocysteine; Rumen; Stomach | 1961 |
[Synthesis of natural sulfurated amino acids].
Topics: Amino Acids; Cysteine; Cystine; Homocysteine; Methionine; Serine | 1962 |
CYSTINURIA: METABOLISM OF THE DISULFIDE OF CYSTEINE AND HOMOCYSTEINE.
Topics: Amino Acids; Chromatography; Cysteine; Cystinuria; Disulfides; Dogs; Hepatolenticular Degeneration; Homocysteine; Ion Exchange Resins; Kidney Diseases; Metabolic Diseases; Methionine; Proteins; Rats; Sulfonic Acids; Sulfur Isotopes | 1963 |
STUDIES OF SULFATE UTILIZATION BY ALGAE. 3. PRODUCTS FORMED FROM SULFATE BY EUGLENA.
Topics: Amides; Chromatography; Cysteine; Euglena; Glutathione; Homocysteine; Infrared Rays; Iodoacetates; Metabolism; Methionine; Pharmacology; Research; Sulfates; Sulfur Isotopes; Sulfur Oxides | 1964 |
[THERAPY OF ACUTE AND CHRONIC HEPATIC DISEASES WITH THE DRUG ASSOCIATION, HOMOCYSTEINE-THIOLACTONE, CYSTEINE AND FRUCTOSE].
Topics: Chemical and Drug Induced Liver Injury; Cysteine; Fructose; Hepatitis; Hepatitis A; Hepatitis B virus; Homocysteine; Humans; Lactones; Liver Cirrhosis; Liver Diseases | 1963 |
REPRESSION BY METHIONINE OF CYSTATHIONASE FORMATION IN ESCHERICHIA COLI.
Topics: Amino Acids; Chloramphenicol; Cystathionine gamma-Lyase; Cysteine; Enzymes; Escherichia coli; Homocysteine; Methionine; Proteins; Pyruvates; Research; Salmonella; Serine | 1964 |
SPECTROPHOTOMETRIC DETERMINATION OF DISULFIDES, SULFINIC ACIDS, THIO ETHERS, AND THIOLS WITH THE PALLADIUM (II) ION.
Topics: Benzoates; Cysteamine; Cysteine; Cystine; Disulfides; Ethers; Glutathione; Homocysteine; Lactones; Methionine; Palladium; Penicillamine; Phosphates; Research; Spectrophotometry; Sulfhydryl Compounds; Sulfides; Sulfinic Acids; Sulfites; Thiosulfates | 1964 |
SULPHUR NUTRITION OF TWO STRAINS OF THE YEAST, DEBARYOMYCES KLOECKERI, ISOLATED FROM SUBANTARCTIC SOIL.
Topics: Amino Acids; Cold Climate; Culture Media; Cysteine; Cystine; Ethionine; Glutathione; Homocysteine; Mercaptoethylamines; Metabolism; Methionine; Research; Saccharomyces; Saccharomyces cerevisiae; Soil; Soil Microbiology; Sulfates; Sulfides; Sulfites; Sulfonic Acids; Sulfur; Thiamine; Thiazoles; Thioctic Acid; Thioglycolates; Thiosulfates | 1964 |
[THE LIVER PROTECTIVE EFFECT OF CYSTEINE, HOMOCYSTEINE THIOLACTONE AND N-ACETYLHOMOCYSTEINE THIOLACTONE IN EXPERIMENTAL LIVER DAMAGE].
Topics: Alcohols; Aspartate Aminotransferases; Benzene; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Cysteine; Hepatitis; Homocysteine; Lactones; Liver Function Tests; Rats; Research; Sulfobromophthalein; Thiophenes; Toxicology | 1963 |
[REACTIONS OF PROTEINS AND LOW MOLECULAR SH- AND NH2 COMPOUNDS WITH FORMALDEHYDE].
Topics: Animals; Cattle; Chemistry Techniques, Analytical; Cysteamine; Cysteine; Formaldehyde; Homocysteine; Ovalbumin; Proteins; Research; Serum Albumin; Serum Albumin, Bovine; Sulfhydryl Compounds | 1964 |
OXIDATION OF GLUTATHIONE AND OTHER THIOLS BY THE XANTHINE OXIDASE AND HYPOXANTHINE OF RAT LIVER HOMOGENATES.
Topics: Cysteamine; Cysteine; Dialysis; Enzyme Inhibitors; Glutathione; Homocysteine; Hypoxanthine; Hypoxanthines; Liver; Oxidation-Reduction; Pharmacology; Pterins; Rats; Renal Dialysis; Research; Sulfhydryl Compounds; Xanthine Oxidase; Xanthines | 1964 |
CYSTATHIONINE CLEAVAGE ENZYMES OF NEUROSPORA.
Topics: Amino Acid Oxidoreductases; Amino Acids; Butyrates; Cystathionine; Cysteine; Homocysteine; Iodoacetates; L-Lactate Dehydrogenase; Maleates; Neurospora; Pyridoxal Phosphate; Pyruvates; Research; Serine; Sulfhydryl Compounds | 1964 |
A KINETIC STUDY OF THE REACTION OF THIOLS WITH P-NITROPHENYL ACETATE.
Topics: Acetates; Catalysis; Cysteine; Glutathione; Homocysteine; Kinetics; Mercaptoethylamines; Nitrophenols; Research; Spectrophotometry; Sulfhydryl Compounds | 1964 |
AN INTERMEDIATE TRAPPED BY MALEIMIDES IN A PYRIDOXAL-PHOSPHATE POTENTIATED ENZYMATIC ELIMINATION REACTION.
Topics: Amino Acids; Butyrates; Carbon Isotopes; Chromatography; Cysteine; Ethylmaleimide; Homocysteine; Keto Acids; Ligases; Lyases; Maleimides; Neurospora; Phosphates; Pyridoxal Phosphate; Pyrroles; Pyruvates; Research; Threonine | 1964 |
[PRELIMINARY RESEARCH ON DIHYDROXYTARTRIC ACID; ACTION OF THE THIOL COMPONENTS].
Topics: Chemical Phenomena; Chemistry; Cysteamine; Cysteine; Glutathione; Homocysteine; Research; Sulfhydryl Compounds; Tartrates; Thiomalates | 1964 |
O-SUCCINYLHOMOSERINE AS AN INTERMEDIATE IN THE SYNTHESIS OF CYSTATHIONINE BY ESCHERICHIA COLI.
Topics: Adenosine Triphosphate; Amino Acids; Chromatography; Coenzyme A; Cystathionine; Cysteine; Escherichia coli; Glucose; Homocysteine; Homoserine; Hot Temperature; Methionine; Research; Streptococcus; Succinates | 1964 |
THE INFLUENCE OF ETHIONINE, METHIONINE, CHOLINE, AND RELATED COMPOUNDS ON LIVER GLYCOGEN DEPOSITION IN ADRENALECTOMIZED RATS: RELATION TO THE MODE OF ACTION OF GLUCOCORTICOIDS.
Topics: Adrenalectomy; Choline; Cysteine; Ethionine; Glucocorticoids; Glucose; Homocysteine; Hydrocortisone; Liver; Liver Glycogen; Methionine; Pharmacology; Research; Serine; Tyrosine | 1964 |
STUDIES ON THE FORMATION OF BIOTIN FROM DESTHIOBIOTIN AND SULFATE IN SACCHAROMYCES CEREVISIAE. I. ON BIOTIN FORMATION FROM DESTHIOBIOTIN BY WASHED CELL SUSPENSION OF YEAST.
Topics: Biotin; Cysteine; Glucose; Glutathione; Homocysteine; Metabolism; Methionine; Pharmacology; Research; Saccharomyces; Saccharomyces cerevisiae; Sulfates; Sulfides; Sulfur Oxides; Yeast, Dried | 1964 |
STUDIES ON THE FORMATION OF BIOTIN FROM DESTHIOBIOTIN AND SULFATE IN SACCHAROMYCES CEREVISIAE. II. ON SULFUR SOURCES OF BIOTIN FORMATION BY WASHED CELL SUSPENSION OF YEAST.
Topics: Biotin; Choline; Culture Media; Cysteine; Cystine; Ethionine; Glucose; Glutathione; Homocysteine; Metabolism; Methionine; Research; Saccharomyces; Saccharomyces cerevisiae; Sulfates; Sulfur; Sulfur Oxides; Yeast, Dried | 1964 |
EFFECT OF PENICILLAMINE ON CYSTINURIA.
Topics: Arginine; Body Fluids; Cysteine; Cystinuria; Drug Therapy; Homocysteine; Humans; Lysine; Ornithine; Penicillamine; Urine | 1965 |
MODIFICATION OF AMINOPTERIN TOXICITY IN THE RAT, USING GALACTOFLAVIN, 6-AMINONIACINAMIDE, CYSTEINE AND HOMOCYSTEINE.
Topics: Aminopterin; Cysteine; Flavins; Folic Acid Deficiency; Growth; Hemoglobins; Homocysteine; Leukocyte Count; Niacinamide; Pharmacology; Rats; Research; Riboflavin; Toxicology | 1965 |
In vitro and in vivo interactions of homocysteine with human plasma transthyretin.
Topics: Amyloid; beta 2-Microglobulin; Chromatography, High Pressure Liquid; Cysteine; Dimerization; Disulfides; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Homocysteine; Humans; In Vitro Techniques; Kinetics; Mass Spectrometry; Mercaptoethanol; Models, Chemical; Prealbumin; Precipitin Tests; Protein Binding; Time Factors | 2003 |
The C677T mutation in methylenetetrahydrofolate reductase gene, plasma homocysteine concentration and the risk of coronary artery disease.
Topics: Adult; Aged; Case-Control Studies; Coronary Angiography; Coronary Artery Disease; Cysteine; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Multivariate Analysis; Point Mutation; Polymerase Chain Reaction; Polymorphism, Genetic; Risk Factors; Threonine; Vitamin B 12 | 2003 |
Homocysteine potentiates calcification of cultured rat aortic smooth muscle cells.
Topics: Alkaline Phosphatase; Animals; Aorta, Thoracic; Calcinosis; Calcium; Calcium Radioisotopes; Cell Count; Cell Division; Cells, Cultured; Cysteine; Cystine; Glycerophosphates; Homocysteine; Leucine; Muscle, Smooth, Vascular; Rats; Rats, Sprague-Dawley; Thymidine | 2003 |
Homocysteine, cysteine, and glutathione in human colonic mucosa: elevated levels of homocysteine in patients with inflammatory bowel disease.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Case-Control Studies; Colon; Cysteine; Female; Gastrointestinal Diseases; Glutathione; Homocysteine; Humans; Inflammatory Bowel Diseases; Intestinal Mucosa; Male; Middle Aged | 2003 |
The role of plasma thiol compounds and antioxidant vitamins in patients with cardiovascular diseases.
Topics: Antioxidants; beta Carotene; Cardiovascular Diseases; Chromatography, High Pressure Liquid; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Vitamins | 2003 |
Moderate hyperhomocysteinaemia and immune activation in patients with rheumatoid arthritis.
Topics: Adult; Aged; Antigens, CD; Arthritis, Rheumatoid; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Male; Middle Aged; Receptors, Tumor Necrosis Factor; Receptors, Tumor Necrosis Factor, Type II; Vitamin B 12 | 2003 |
The biosynthesis of cysteine and homocysteine in Methanococcus jannaschii.
Topics: Cystathionine; Cysteine; Gas Chromatography-Mass Spectrometry; Homocysteine; Methanococcus | 2003 |
Thiols, malonaldehyde and total antioxidant status in the Turkish patients with type 2 diabetes mellitus.
Topics: Adult; Aged; Antioxidants; Blood Glucose; Case-Control Studies; Catalysis; Chromatography, High Pressure Liquid; Cysteine; Diabetes Mellitus, Type 2; Dipeptides; Female; gamma-Glutamyltransferase; Glutathione; Homocysteine; Humans; Lipid Peroxidation; Male; Malondialdehyde; Middle Aged; Oxidative Stress; Sex Factors; Smoking; Sulfhydryl Compounds; Turkey | 2003 |
Homocysteine altered ROS generation and NO accumulation in endothelial cells.
Topics: Cell Survival; Cells, Cultured; Cysteine; Endothelium, Vascular; Homocysteine; Humans; Methionine; Nitric Oxide; Reactive Oxygen Species; Umbilical Veins | 2003 |
Isoprenylcysteine carboxyl methyltransferase modulates endothelial monolayer permeability: involvement of RhoA carboxyl methylation.
Topics: Adenosine; Adherens Junctions; Animals; Cattle; Cell Membrane Permeability; Cells, Cultured; Cysteine; Diterpenes; Electrophoresis, Gel, Two-Dimensional; Endothelial Cells; Green Fluorescent Proteins; Homocysteine; Luminescent Proteins; Methylation; Protein Methyltransferases; rac1 GTP-Binding Protein; Recombinant Fusion Proteins; rhoA GTP-Binding Protein | 2004 |
Cross-talk between Cys34 and lysine residues in human serum albumin revealed by N-homocysteinylation.
Topics: Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Cysteine; Homocysteine; Humans; Hydrolysis; Lysine; Oxidation-Reduction; Serum Albumin | 2004 |
Visual detection of cysteine and homocysteine.
Topics: Colorimetry; Coloring Agents; Cysteine; Fluorometry; Homocysteine; Spectrophotometry, Ultraviolet; Xanthenes | 2004 |
Copper-mediated LDL oxidation by homocysteine and related compounds depends largely on copper ligation.
Topics: Copper; Cystathionine; Cysteine; Homocysteine; Homocystine; Humans; Lipoproteins, LDL; Malondialdehyde; Oxidation-Reduction; Serum Albumin; Time Factors | 2004 |
Plasma homocysteine after insulin infusion in type II diabetic patients with and without methionine intolerance.
Topics: Blood Glucose; Cysteine; Diabetes Mellitus, Type 2; DNA; Female; Folic Acid; Glucose Clamp Technique; Homocysteine; Humans; Hyperhomocysteinemia; Insulin; Male; Methionine; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Point Mutation; Polymerase Chain Reaction; Vitamin B 12; Vitamin B 6 | 2004 |
Growth experiments with thioether derivatives of cysteine and homocysteine.
Topics: Cysteine; Homocysteine; Humans; Sulfides | 1951 |
The synthesis of methionine from homocysteine by Escherichia coli.
Topics: Cysteine; Escherichia coli; Homocysteine; Methionine | 1952 |
Thiol status and antioxidant capacity in women with a history of severe pre-eclampsia.
Topics: Antioxidants; Case-Control Studies; Cysteine; Dipeptides; Female; Glucosephosphate Dehydrogenase; Glutathione; Homocysteine; Humans; Oxidative Stress; Pre-Eclampsia; Pregnancy; Sulfhydryl Compounds | 2004 |
Opposite effect of methionine-supplemented diet, a model of hyperhomocysteinemia, on plasma and liver antioxidant status in normotensive and spontaneously hypertensive rats.
Topics: Animals; Antioxidants; Biological Availability; Catalase; Copper; Cysteine; Diet; Dietary Supplements; Glutathione; Homocysteine; Hyperhomocysteinemia; Hypertension; Iron; Liver; Male; Methionine; Nitrates; Nitric Oxide; Nitrites; Oxidative Stress; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances | 2004 |
L-Homocysteine and L-homocystine stereospecifically induce endothelial nitric oxide synthase-dependent lipid peroxidation in endothelial cells.
Topics: Animals; Cattle; Cells, Cultured; Cysteine; Endothelial Cells; Endothelium, Vascular; Enzyme Inhibitors; Glutathione; Glutathione Peroxidase; Homocysteine; Homocystine; Hydrogen Peroxide; Hyperhomocysteinemia; Lipid Peroxidation; NG-Nitroarginine Methyl Ester; Nitric Oxide Synthase; Nitric Oxide Synthase Type III | 2004 |
Effects of some pre-analytical conditions on the measurement of homocysteine and cysteine in plasma.
Topics: Adult; Analysis of Variance; Anticoagulants; Citric Acid; Cysteine; Female; Glucose; Homocysteine; Humans; Male; Middle Aged; Reference Values; Temperature; Time Factors | 2004 |
Young stroke and basal plasma and post-methionine load homocysteine and cysteine levels 1 year after the acute event: do plasma folates make the difference?
Topics: Adult; Case-Control Studies; Cysteine; Fasting; Female; Folic Acid; Follow-Up Studies; Homocysteine; Humans; Male; Methionine; Middle Aged; Stroke; Time Factors; Vitamin B 12 | 2004 |
Effects of betaine in a murine model of mild cystathionine-beta-synthase deficiency.
Topics: Animal Feed; Animals; Betaine; Betaine-Homocysteine S-Methyltransferase; Choline; Cystathionine beta-Synthase; Cysteine; Female; Heterozygote; Homocysteine; Hyperhomocysteinemia; Lipotropic Agents; Liver; Male; Methionine; Methyltransferases; Mice; Mice, Inbred C57BL; Regression Analysis; Serine | 2004 |
Extracellular concentration of homocysteine in human cell lines is influenced by specific inhibitors of cyst(e)ine transport.
Topics: Amino Acid Transport Systems; Biological Transport; Carcinoma, Hepatocellular; Cysteine; Extracellular Fluid; HeLa Cells; Homocysteine; Humans; Liver Neoplasms; Tumor Cells, Cultured | 2004 |
The influence of smoking on plasma homocysteine and cysteine levels in passive and active smokers.
Topics: Adult; Biomarkers; Cotinine; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Risk Factors; Smoking | 2004 |
Effect of a methionine-supplemented diet on the blood pressure of Sprague-Dawley and deoxycorticosterone acetate-salt hypertensive rats.
Topics: Acetylcholine; Animals; Aorta; Blood Pressure; Body Weight; Bradykinin; Calcium Chloride; Cysteine; Desoxycorticosterone; Dietary Supplements; Glutathione; Homocysteine; Hypertension; Male; Methionine; Nitroprusside; Norepinephrine; Organ Size; Rats; Rats, Sprague-Dawley; Sodium; Vasoconstrictor Agents | 2004 |
Plasma homocysteine levels and risk of Alzheimer disease.
Topics: Age Factors; Aged; Aged, 80 and over; Alzheimer Disease; Apolipoproteins E; Cohort Studies; Comorbidity; Confounding Factors, Epidemiologic; Cross-Sectional Studies; Cysteine; Dementia; Diabetes Mellitus; Ethnicity; Female; Folic Acid; Follow-Up Studies; Homocysteine; Humans; Hyperhomocysteinemia; Male; Memory; Neuropsychological Tests; New York City; Prevalence; Risk Factors; Sampling Studies; Stroke; Vitamin B 12; Vitamin B 6 | 2004 |
Plasma levels of 7-hydroxylated dehydroepiandrosterone (DHEA) metabolites and selected amino-thiols as discriminatory tools of Alzheimer's disease and vascular dementia.
Topics: 17-alpha-Hydroxypregnenolone; Aged; Aged, 80 and over; Alzheimer Disease; Biomarkers; Chromatography, High Pressure Liquid; Cysteine; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Dementia, Vascular; Dipeptides; Female; Glutathione; Homocysteine; Humans; Logistic Models; Male; Middle Aged; Predictive Value of Tests; Pregnenolone; Radioimmunoassay; Sensitivity and Specificity; Sex Factors; Statistics, Nonparametric; Sulfhydryl Compounds | 2004 |
No association of C677T methylenetetrahydrofolate reductase and an endothelial nitric oxide synthase polymorphism with recurrent pregnancy loss.
Topics: Abortion, Habitual; Adult; Cysteine; Embryo Loss; Endothelium; Female; Genotype; Homocysteine; Humans; Methylenetetrahydrofolate Reductase (NADPH2); Nitric Oxide; Nitric Oxide Synthase; Polymorphism, Genetic; Pregnancy; Threonine | 2004 |
Hyperhomocysteinemia in patients with Cushing's syndrome.
Topics: Adult; Aged; Case-Control Studies; Circadian Rhythm; Cushing Syndrome; Cysteine; DNA; Female; Folic Acid; Homocysteine; Humans; Hydrocortisone; Hyperhomocysteinemia; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Osmolar Concentration; Polymorphism, Genetic; Threonine | 2004 |
Oxidative stress in mothers who have conceived fetus with neural tube defects: the role of aminothiols and selenium.
Topics: Adult; Case-Control Studies; Cysteine; Dipeptides; Female; Folic Acid; Glutathione; Homocysteine; Humans; Infant, Newborn; Methionine; Mothers; Neural Tube Defects; Oxidation-Reduction; Oxidative Stress; Selenium; Sulfhydryl Compounds | 2004 |
Crystal structures of cobalamin-independent methionine synthase complexed with zinc, homocysteine, and methyltetrahydrofolate.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Arabidopsis; Binding Sites; Cations; Crystallography, X-Ray; Cysteine; Escherichia coli; Folic Acid; Fourier Analysis; Histidine; Homocysteine; Methionine; Methyltransferases; Models, Molecular; Plasmids; Protein Conformation; Protein Structure, Tertiary; Sulfur; Tetrahydrofolates; Vitamin B 12; Zinc | 2004 |
Hyperhomocysteinemia in relation to plasma free amino acids, biomarkers of inflammation and mortality in patients with chronic kidney disease starting dialysis therapy.
Topics: Amino Acids; Biomarkers; Chronic Disease; Cross-Sectional Studies; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Inflammation; Kidney Diseases; Male; Malnutrition; Middle Aged; Nutritional Status; Renal Dialysis; Survival Analysis | 2004 |
Hyperhomocysteinemia in acute Plasmodium falciparum malaria: an effect of host-parasite interaction.
Topics: Acute Disease; Adult; Age Factors; Animals; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Host-Parasite Interactions; Humans; Hyperhomocysteinemia; Infant; Malaria, Falciparum; Male; Plasmodium falciparum; Severity of Illness Index | 2004 |
Plasma levels of total, free and protein bound thiols as well as sulfane sulfur in different age groups of rats.
Topics: Aging; Animals; Blood Proteins; Cysteine; Female; Glutathione; Homocysteine; Oxidation-Reduction; Protein Binding; Rats; Rats, Wistar; Sulfhydryl Compounds; Sulfur | 2004 |
Homocysteine, system b0,+ and the renal epithelial transport and toxicity of inorganic mercury.
Topics: Amino Acid Transport Systems; Animals; Biological Transport; Cells, Cultured; Cysteine; Dogs; Epithelium; Homocysteine; Kidney; Mercury | 2004 |
Oxidation of cysteine and homocysteine by bovine albumin.
Topics: Animals; Catalysis; Cattle; Chelating Agents; Copper; Cysteine; Homocysteine; Hydrogen-Ion Concentration; Kinetics; Oxidation-Reduction; Serum Albumin | 2004 |
Production of the neuromodulator H2S by cystathionine beta-synthase via the condensation of cysteine and homocysteine.
Topics: Calcium; Calmodulin; Cystathionine beta-Synthase; Cysteine; Escherichia coli; Homocysteine; Humans; Hydrogen Sulfide; In Vitro Techniques; Kinetics; Neurotransmitter Agents; Recombinant Proteins; Saccharomyces cerevisiae | 2004 |
Plasma albumin cysteinylation is regulated by cystathionine beta-synthase.
Topics: Animals; Biomarkers; Cystathionine beta-Synthase; Cysteine; Homocysteine; Homocystinuria; Humans; Male; Mice; Rats; Rats, Sprague-Dawley; Reperfusion Injury; Serum Albumin | 2004 |
Determination of free and total cyst(e)ine in plasma of dogs and cats.
Topics: Animals; Cats; Cysteine; Cystine; Dipeptides; Dogs; Glutathione; Homocysteine; Male; Phosphines; Reducing Agents; Time Factors | 2004 |
Metabolic biomarkers of increased oxidative stress and impaired methylation capacity in children with autism.
Topics: Adenosine; Autistic Disorder; Betaine; Biomarkers; Case-Control Studies; Child; Chromatography, High Pressure Liquid; Cystathionine; Cysteine; Female; Glutathione; Homocysteine; Humans; Leucovorin; Male; Methionine; Methylation; Oxidative Stress; S-Adenosylhomocysteine; S-Adenosylmethionine; Vitamin B 12 | 2004 |
A role for homocysteine increase in haemolysis of megaloblastic anaemias due to vitamin B(12) and folate deficiency: results from an in vitro experience.
Topics: Adult; Anemia, Megaloblastic; Case-Control Studies; Cysteine; Female; Folic Acid Deficiency; Hemolysis; Homocysteine; Humans; L-Lactate Dehydrogenase; Lipid Peroxidation; Male; Malondialdehyde; Middle Aged; Vitamin B 12 Deficiency | 2004 |
Biologically important thiols in various vegetables and fruits.
Topics: Acetylcysteine; Captopril; Chromatography, High Pressure Liquid; Cysteine; Fruit; Homocysteine; Sulfhydryl Compounds; Vegetables | 2004 |
Heterologous expression, purification, and characterization of recombinant rat cysteine dioxygenase.
Topics: Animals; Catalysis; Chromatography, High Pressure Liquid; Cysteine; Cysteine Dioxygenase; Dioxygenases; DNA, Complementary; Escherichia coli; Histidine; Homocysteine; Hydrogen-Ion Concentration; Iron; Kinetics; Models, Chemical; Open Reading Frames; Oxygen; Protein Structure, Tertiary; Rats; Recombinant Proteins; Spectrometry, Mass, Electrospray Ionization; Temperature; Time Factors | 2005 |
S-adenosylhomocysteine hydrolase from the archaeon Pyrococcus furiosus: biochemical characterization and analysis of protein structure by comparative molecular modeling.
Topics: Adenosine; Adenosylhomocysteinase; Amino Acid Sequence; Catalysis; Cloning, Molecular; Cysteine; Disulfides; Electrophoresis, Polyacrylamide Gel; Homocysteine; Hot Temperature; Kinetics; Lysine; Methylation; Models, Molecular; Molecular Sequence Data; Plasmids; Protein Binding; Protein Conformation; Protein Structure, Tertiary; Pyrococcus; Pyrococcus furiosus; Recombinant Proteins; Sequence Homology, Amino Acid; Sulfolobus solfataricus; Temperature; Threonine | 2005 |
Effects of dietary supplements of folic acid and rumen-protected methionine on lactational performance and folate metabolism of dairy cows.
Topics: Animals; Cattle; Cysteine; Diet; Dietary Supplements; Female; Folic Acid; Hemoglobins; Homocysteine; Kinetics; Lactation; Methionine; Milk; Rumen; Vitamin B 12 | 2005 |
Effects of intramuscular injections of vitamin B12 on lactation performance of dairy cows fed dietary supplements of folic acid and rumen-protected methionine.
Topics: Animals; Cattle; Cysteine; Diet; Dietary Supplements; Eating; Female; Folic Acid; Homocysteine; Injections, Intramuscular; Lactation; Methionine; Methylmalonic Acid; Milk; Parity; Rumen; Vitamin B 12 | 2005 |
Design and synthesis of heterobimetallic donor-acceptor chemodosimetric ensembles for the detection of sulfhydryl-containing amino acids and peptides.
Topics: Binding, Competitive; Crystallography, X-Ray; Cysteine; Fluorometry; Glutathione; Homocysteine; Methionine; Models, Chemical; Molecular Conformation; Molecular Structure; Organometallic Compounds; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds | 2005 |
Highly sensitive simultaneous detection of cultured cellular thiols by laser induced fluorescence-capillary electrophoresis.
Topics: Animals; Cells, Cultured; Cysteine; Dipeptides; Electrophoresis, Capillary; Endothelium, Vascular; Fluoresceins; Glutathione; Homocysteine; Humans; Lasers; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Stem Cells; Sulfhydryl Compounds | 2005 |
Relationships between white blood cell count and levels of serum homocysteine and cysteine in healthy subjects.
Topics: Adult; Cysteine; Female; Homocysteine; Humans; Leukocyte Count; Male; Middle Aged | 2005 |
Effect of a swim training on homocysteine and cysteine levels in rats.
Topics: Animals; Cystathionine beta-Synthase; Cysteine; Glutathione; Homocysteine; Liver; Male; Physical Conditioning, Animal; Pyridoxal Phosphate; Rats; Rats, Sprague-Dawley; Swimming; Taurine | 2005 |
Comparison of cytotoxicity of cysteine and homocysteine for renal epithelial cells.
Topics: Animals; Antioxidants; Biological Assay; Catalase; Cell Culture Techniques; Cysteine; Epithelial Cells; Glutathione; Homocysteine; Hydrogen Peroxide; Hydroxyl Radical; Kidney Tubules; L-Lactate Dehydrogenase; Lipid Peroxidation; LLC-PK1 Cells; Oxidants; Reactive Oxygen Species; Superoxide Dismutase; Swine; Vitamin E | 2005 |
Crystal structure of S-ribosylhomocysteinase (LuxS) in complex with a catalytic 2-ketone intermediate.
Topics: Alanine; Arginine; Bacillus subtilis; Bacterial Proteins; Binding Sites; Carbon-Sulfur Lyases; Catalysis; Cobalt; Crystallization; Crystallography, X-Ray; Cysteine; Ferrous Compounds; Histidine; Homocysteine; Hydrolases; Ketones; Models, Molecular; Mutagenesis, Site-Directed; Serine; Spectrophotometry, Ultraviolet; Substrate Specificity; Vibrio | 2005 |
Homocysteine alterations in experimental cholestasis and its subsequent cirrhosis.
Topics: Analysis of Variance; Animals; Bile Ducts; Cholestasis; Cysteine; Glutathione; Homocysteine; Ligation; Liver; Liver Cirrhosis, Biliary; Male; Methionine; NG-Nitroarginine Methyl Ester; Nitric Oxide; Rats; Rats, Sprague-Dawley; S-Adenosylhomocysteine; S-Adenosylmethionine; Time Factors | 2005 |
Disturbed homocysteine and methionine cycle intermediates S-adenosylhomocysteine and S-adenosylmethionine are related to degree of renal insufficiency in type 2 diabetes.
Topics: Aged; Cystathionine; Cysteine; Diabetes Mellitus, Type 2; Diabetic Nephropathies; Female; Folic Acid; Homocysteine; Humans; Kidney; Kidney Failure, Chronic; Male; Methionine; Methylmalonic Acid; Middle Aged; S-Adenosylhomocysteine; S-Adenosylmethionine; Transcobalamins; Vitamin B 12; Vitamin B 6 | 2005 |
A pulsed potential waveform displaying enhanced detection capabilities towards sulfur-containing compounds at a gold working electrode.
Topics: Acetylcysteine; Biotin; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Cysteine; Cystine; Electrochemistry; Electrodes; Glutathione; Gold; Homocysteine; Methionine; Oxidation-Reduction; Reproducibility of Results; Sensitivity and Specificity; Sulfur Compounds; Thioctic Acid | 2005 |
Speciation and quantification of thiols by reversed-phase chromatography coupled with on-line chemical vapor generation and atomic fluorescence spectrometric detection: method validation and preliminary application for glutathione measurements in human wh
Topics: Autoanalysis; Cardiomyopathy, Dilated; Chromatography, Liquid; Cysteine; Dipeptides; Exercise Test; Glutathione; Glutathione Disulfide; Heart Rate; Homocysteine; Humans; Hydroxymercuribenzoates; Indicators and Reagents; S-Nitrosoglutathione; Spectrometry, Fluorescence; Spectrophotometry, Atomic; Sulfhydryl Compounds | 2005 |
Transport of L-[14C]cystine and L-[14C]cysteine by subtypes of high affinity glutamate transporters over-expressed in HEK cells.
Topics: Amino Acid Transport System X-AG; Biological Transport, Active; Carbon Radioisotopes; Carrier Proteins; Cell Line; Cell Membrane; Cysteine; Cystine; Dipeptides; Excitatory Amino Acid Transporter 1; Excitatory Amino Acid Transporter 2; Excitatory Amino Acid Transporter 3; Extracellular Fluid; Glutamate Plasma Membrane Transport Proteins; Glutamic Acid; Glutathione; Homocysteine; Humans; Kinetics; Oxidation-Reduction; Symporters | 2005 |
Maternal antioxidant concentrations after uncomplicated pregnancies.
Topics: Adult; Antioxidants; Ascorbic Acid; Cysteine; Fasting; Female; Glutathione; Homocysteine; Humans; Lipid Peroxidation; Models, Statistical; Mothers; Oxidative Stress; Oxygen; Postpartum Period; Pregnancy; Sulfhydryl Compounds; Time Factors; Vitamin E | 2005 |
Effect of submaximal exercise on horse homocysteinaemia: possible implications for immune cells.
Topics: Animals; Cell Proliferation; Cysteine; Homocysteine; Horse Diseases; Horses; Lymphocytes; Oxidation-Reduction; Physical Exertion | 2005 |
Homocysteine, a risk factor for atherosclerosis, biphasically changes the endothelial production of kynurenic acid.
Topics: Animals; Aorta, Thoracic; Arteriosclerosis; Cysteine; Dose-Response Relationship, Drug; Endothelium, Vascular; Excitatory Amino Acid Antagonists; Glycine; Homocysteine; In Vitro Techniques; Injections, Intraperitoneal; Kynurenic Acid; Leucine; Male; Methionine; Phenylalanine; Pipecolic Acids; Rats; Rats, Wistar; Risk Factors; S-Adenosylhomocysteine | 2005 |
On the interaction of oxovanadium(IV) with homocysteine.
Topics: Amino Acids; Cations; Cysteine; Electrons; Homocysteine; Hydrogen-Ion Concentration; Ligands; Metals; Models, Chemical; Spectrophotometry; Trace Elements; Vanadates | 2005 |
Hepatic S-adenosylmethionine after maternal alcohol exposure on offspring rats.
Topics: Animals; Animals, Newborn; Cysteine; DNA Methylation; Drug Administration Schedule; Ethanol; Female; Homocysteine; Lactation; Liver; Male; Maternal Behavior; Nutritional Status; Pregnancy; Pregnancy, Animal; Random Allocation; Rats; Rats, Wistar; S-Adenosylmethionine | 2005 |
Homocysteine levels are associated with MTHFR A1298C polymorphism in Indian population.
Topics: Adult; Aged; Cysteine; Feeding Behavior; Homocysteine; Humans; India; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Polymorphism, Genetic | 2005 |
Detection of homocysteine and cysteine.
Topics: Aldehydes; Chromatography, High Pressure Liquid; Colorimetry; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Peptides; Spectrometry, Fluorescence; Sulfhydryl Compounds; Thiazoles; Transition Elements | 2005 |
New and old cardiovascular risk factors: C-reactive protein, homocysteine, cysteine and von Willebrand factor increase risk, especially in smokers.
Topics: Adult; Aged; Biomarkers; C-Reactive Protein; Coronary Disease; Cysteine; Enzyme-Linked Immunosorbent Assay; Female; Homocysteine; Humans; Incidence; Male; Middle Aged; Odds Ratio; Prognosis; Retrospective Studies; Risk Factors; Smoking; von Willebrand Factor | 2005 |
Disruption of thiol homeostasis in plasma of terminal renal failure patients.
Topics: Adult; Aged; Aged, 80 and over; Chromatography, High Pressure Liquid; Cysteine; Female; Glutathione; Homeostasis; Homocysteine; Humans; Male; Middle Aged; Renal Dialysis; Renal Insufficiency; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds; Time Factors | 2006 |
Rational attachment of synthetic triptycene orthoquinone onto carbon nanotubes for electrocatalysis and sensitive detection of thiols.
Topics: Adsorption; Catalysis; Cysteine; Electrochemistry; Electrodes; Glutathione; Homocysteine; Nanotubes, Carbon; Oxidation-Reduction; Quinones; Spectrum Analysis | 2005 |
Plasma reduced homocysteine and other aminothiol concentrations in patients with CKD.
Topics: Adult; Aged; Atherosclerosis; Biomarkers; C-Reactive Protein; Chronic Disease; Cysteine; Dipeptides; Female; Folic Acid; Glutathione; Hemodiafiltration; Homocysteine; Humans; Hyperhomocysteinemia; Kidney; Kidney Diseases; Kidney Failure, Chronic; Male; Middle Aged; Oxidation-Reduction; Peritoneal Dialysis; Peritoneal Dialysis, Continuous Ambulatory; Renal Dialysis; Vitamin B 12 | 2006 |
G-CSF receptor-binding cyclic peptides designed with artificial amino-acid linkers.
Topics: 4-Aminobenzoic Acid; Amino Acids; beta-Alanine; Binding Sites; Cell Proliferation; Crystallography, X-Ray; Cysteine; Disulfides; Glycine; Granulocyte Colony-Stimulating Factor; Homocysteine; Humans; Ligands; Models, Chemical; Models, Molecular; Peptides, Cyclic; Protein Binding; Protein Conformation; Receptors, Granulocyte Colony-Stimulating Factor | 2006 |
Homocysteine- and cysteine-mediated growth defect is not associated with induction of oxidative stress response genes in yeast.
Topics: Basic-Leucine Zipper Transcription Factors; Culture Media, Conditioned; Cysteine; Fungal Proteins; Gene Expression Regulation, Fungal; Glutathione; Glycolysis; Homocysteine; HSP70 Heat-Shock Proteins; Methionine; Oxidation-Reduction; Oxidative Stress; Reactive Oxygen Species; Repressor Proteins; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Sulfhydryl Compounds | 2006 |
Modulation of cadmium chloride toxicity by sulphur amino acids in hepatoma cells.
Topics: Cadmium Chloride; Carcinoma, Hepatocellular; Cystathionine; Cysteine; Cytoprotection; Glutathione; Homocysteine; Humans; Tumor Cells, Cultured | 2006 |
Differences in plasma homocysteine levels between Zucker fatty and Zucker diabetic fatty rats following 3 weeks oral administration of organic vanadium compounds.
Topics: Administration, Oral; Animals; Blood Glucose; Body Weight; Cysteine; Diabetes Mellitus, Experimental; Dipeptides; Drinking; Eating; Homocysteine; Insulin; Male; Rats; Rats, Zucker; Vanadium Compounds | 2006 |
Homocysteine transport by human aortic endothelial cells: identification and properties of import systems.
Topics: Amino Acid Transport System A; Amino Acid Transport System ASC; Amino Acid Transport System L; Amino Acid Transport System X-AG; Aorta, Thoracic; Biological Transport, Active; Cells, Cultured; Cysteine; Endothelial Cells; Endothelium, Vascular; Homocysteine; Humans; Protein Binding; Sulfur Radioisotopes | 2006 |
Methionine kinetics are altered in the elderly both in the basal state and after vaccination.
Topics: Adult; Aged; Aging; Carbon Isotopes; Cysteine; Deuterium; Female; Homocysteine; Humans; Inflammation; Isotope Labeling; Male; Mathematics; Methionine; Methylation; Nutritional Requirements; Postprandial Period; Vaccination | 2006 |
Nile Red-adsorbed gold nanoparticle matrixes for determining aminothiols through surface-assisted laser desorption/ionization mass spectrometry.
Topics: Adsorption; Amino Acids, Sulfur; Cysteine; Erythrocytes; Glutathione; Gold; Homocysteine; Humans; Metal Nanoparticles; Oxazines; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Sulfhydryl Compounds | 2006 |
Inactivation of active and latent transforming growth factor beta by free thiols: potential redox regulation of biological action.
Topics: Bacitracin; Blotting, Western; Cysteine; Dimerization; Dithiothreitol; Dose-Response Relationship, Drug; Glutathione; Homocysteine; Humans; Oxidation-Reduction; Recombinant Proteins; Sulfhydryl Compounds; Temperature; Transforming Growth Factor beta | 2006 |
Homocysteine, glutathione and related thiols affect fertility parameters in the (sub)fertile couple.
Topics: Adult; Cysteine; Dipeptides; Ejaculation; Endometriosis; Female; Follicular Fluid; Glutathione; Homocysteine; Humans; Infertility; Infertility, Male; Male; Reactive Oxygen Species; Semen; Spermatozoa | 2006 |
Comparative species utilization and toxicity of sulfur amino acids.
Topics: Alanine; Amino Acids, Sulfur; Animals; Biological Availability; Cysteine; Cystine; Dietary Supplements; Glutathione; Homocysteine; Humans; Hydroxylation; Isomerism; Methionine; Species Specificity; Sulfides; Taurine; Vitamin U | 2006 |
The 5th workshop on the assessment of adequate intake of dietary amino acids: general discussion 1.
Topics: Amino Acids; Animals; Creatine; Cysteine; Diet; Glutathione; Homocysteine; Humans; Methionine; Nutritional Requirements; S-Adenosylhomocysteine; S-Adenosylmethionine | 2006 |
A spiropyran-based ensemble for visual recognition and quantification of cysteine and homocysteine at physiological levels.
Topics: Benzopyrans; Cysteine; Homocysteine; Indicators and Reagents; Indoles; Kinetics; Nitro Compounds; Spectrophotometry, Ultraviolet | 2006 |
A clinical and laboratory evaluation of methionine cycle-transsulfuration and androgen pathway markers in children with autistic disorders.
Topics: Androgens; Autistic Disorder; Biomarkers; Child; Child, Preschool; Cystathionine; Cysteine; Dehydroepiandrosterone; Female; Follicle Stimulating Hormone; Glutathione; Homocysteine; Humans; Male; Methionine; Models, Biological; Signal Transduction; Sulfurtransferases; Testosterone | 2006 |
Aminothiols in human brain tumors.
Topics: Adult; Aged; Aged, 80 and over; Brain Neoplasms; Chromatography, Gas; Cysteine; Female; Homocysteine; Humans; Male; Methionine; Middle Aged | 2006 |
The chemical synthesis of the GstI protein by NCL on a X-Met site.
Topics: Amino Acid Sequence; Bacterial Proteins; Chromatography, High Pressure Liquid; Circular Dichroism; Cysteine; Homocysteine; Mass Spectrometry; Methionine; Protein Structure, Secondary; Repressor Proteins | 2006 |
System b0,+ and the transport of thiol-s-conjugates of methylmercury.
Topics: Amino Acid Transport Systems; Animals; Arginine; Biological Transport; Cysteine; Female; Homocysteine; Methionine; Methylmercury Compounds; Xenopus laevis | 2006 |
Plasma homocysteine and cysteine levels in retinal vein occlusion.
Topics: Aged; Case-Control Studies; Cysteine; Electrophoresis, Capillary; Female; Homocysteine; Humans; Male; Middle Aged; Retinal Vein Occlusion | 2006 |
Low fasting methionine concentration as a novel risk factor for recurrent venous thrombosis.
Topics: Adult; Aged; Case-Control Studies; Cysteine; Fasting; Female; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methionine; Methylation; Middle Aged; Multivariate Analysis; Odds Ratio; Recurrence; Risk Assessment; Risk Factors; Venous Thrombosis | 2006 |
Conversion of methionine to cysteine in Bacillus subtilis and its regulation.
Topics: Bacillus subtilis; Bacterial Proteins; Carbon-Oxygen Lyases; Cystathionine; Cystathionine beta-Synthase; Cysteine; Gene Expression Regulation, Bacterial; Genes, Bacterial; Homocysteine; Lyases; Methionine; Operon; Promoter Regions, Genetic; Serine; Substrate Specificity | 2007 |
Bound homocysteine, cysteine, and cysteinylglycine distribution between albumin and globulins.
Topics: Adult; Cysteine; Dipeptides; Disulfides; Homocysteine; Humans; Plasma; Protein Binding; Serum; Serum Albumin; Serum Globulins; Sulfhydryl Compounds | 2006 |
A simple, convenient method to synthesize cobalamins: synthesis of homocysteinylcobalamin, N-acetylcysteinylcobalamin, 2-N-acetylamino-2-carbomethoxyethanethiolatocobalamin, sulfitocobalamin and nitrocobalamin.
Topics: Crystallography, X-Ray; Cysteine; Homocysteine; Molecular Structure; Vitamin B 12 | 2006 |
Consequences of subchronic and chronic exposure to intermittent hypoxia and sleep deprivation on cardiovascular risk factors in rats.
Topics: Animals; Blood Gas Analysis; Body Weight; Cardiovascular Diseases; Cholesterol; Cholesterol, HDL; Chronic Disease; Cysteine; Folic Acid; Homocysteine; Hypoxia; Male; Rats; Rats, Wistar; Risk Factors; Sleep Apnea Syndromes; Sleep Deprivation; Sleep, REM; Triglycerides; Vitamin B 12 | 2007 |
Simultaneous quantitation of homocysteine, cysteine and methionine in plasma and urine by liquid chromatography-tandem mass spectrometry.
Topics: Chromatography, High Pressure Liquid; Cysteine; Cystine; Homocysteine; Humans; Methionine; Reproducibility of Results; Tandem Mass Spectrometry | 2006 |
Cysteine supplementation decreases plasma homocysteine concentration in rats fed on a low-casein diet in rats.
Topics: Animal Feed; Animals; Body Weight; Caseins; Cysteine; Dietary Supplements; Homocysteine; Liver; Male; Organ Size; Rats; Rats, Wistar; S-Adenosylmethionine | 2007 |
[Association of paraoxonase polymorphisms and serum homocysteine thiolactone complex with coronary heart disease].
Topics: Adult; Aged; Aryldialkylphosphatase; Coronary Disease; Cysteine; Diabetes Mellitus, Type 2; Female; Homocysteine; Humans; Male; Middle Aged; Polymorphism, Genetic | 2006 |
Hyperhomocysteinaemia and immune activation in patients with cancer.
Topics: Aged; Biomarkers; Case-Control Studies; Cysteine; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Immune System; Male; Neoplasms; Neopterin; Vitamin B 12 | 2007 |
Simultaneous determination of total homocysteine, cysteine, cysteinylglycine, and glutathione in human plasma by high-performance liquid chromatography: application to studies of oxidative stress.
Topics: Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Oxidative Stress; Reference Standards; Reproducibility of Results | 2007 |
Plasma cysteine concentrations in uncomplicated pregnancies.
Topics: Adolescent; Adult; Biomarkers; Blood Pressure; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Pre-Eclampsia; Pregnancy; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Prospective Studies | 2007 |
Hyperhomocysteinemia and low methionine stress are risk factors for central retinal venous occlusion in an Indian population.
Topics: Adult; Case-Control Studies; Cysteine; Female; Folic Acid; Glutathione; Homocysteine; Humans; Hyperhomocysteinemia; India; Male; Methionine; Prevalence; Prospective Studies; Retinal Vein Occlusion; Risk Factors; Vitamin B 12 | 2007 |
Dietary selenium affects homocysteine metabolism differently in Fisher-344 rats and CD-1 mice.
Topics: Animals; Betaine-Homocysteine S-Methyltransferase; Cysteine; Diet; Glutamate-Cysteine Ligase; Glutathione; Glycine N-Methyltransferase; Homocysteine; Isoenzymes; Liver; Male; Methionine; Mice; Mice, Inbred Strains; Rats; Rats, Inbred F344; Selenium; Species Specificity; Sulfur | 2007 |
Mouse monocytes (RAW CELLS) and the handling of cysteine and homocysteine S-conjugates of inorganic mercury and methylmercury.
Topics: Amino Acid Transport Systems; Animals; Biological Transport; Cells, Cultured; Cysteine; Homocysteine; Mercury; Methylmercury Compounds; Mice; Monocytes | 2007 |
Age-associated perturbations in glutathione synthesis in mouse liver.
Topics: Aging; Amino Acid Sequence; Animals; Cysteine; Dipeptides; Glutamate-Cysteine Ligase; Glutathione; Glutathione Disulfide; Homocysteine; Liver; Male; Mice; Mice, Inbred C57BL; Molecular Sequence Data; Phylogeny | 2007 |
Specific reactions of S-nitrosothiols with cysteine hydrolases: A comparative study between dimethylargininase-1 and CTP synthetase.
Topics: Amidohydrolases; Animals; Binding Sites; Carbon-Nitrogen Ligases; Cattle; Cysteine; Homocysteine; Kinetics; Models, Molecular; S-Nitrosothiols; Spectrometry, Mass, Electrospray Ionization | 2007 |
Homocysteine, cysteine, and related metabolites in maternal and fetal plasma in preeclampsia.
Topics: Adult; Birth Weight; Cysteine; Female; Fetal Blood; Fetus; Homocysteine; Humans; Infant; Pre-Eclampsia; Pregnancy; Statistics as Topic | 2007 |
Specific activity of methionine sulfoxide reductase in CD-1 mice is significantly affected by dietary selenium but not zinc.
Topics: Animals; Cysteine; Diet; Glutathione; Homocysteine; Male; Methionine Sulfoxide Reductases; Mice; Models, Biological; Oxidoreductases; Oxygen; Reactive Oxygen Species; Selenium; Trace Elements; Up-Regulation; Zinc | 2007 |
Estimation of hydrogen sulphide in the human lymphocytes.
Topics: Adult; Cysteine; Female; Homocysteine; Humans; Hydrogen Sulfide; Leukocytes, Mononuclear; Lymphocytes; Male; Models, Biological; Models, Chemical; Signal Transduction; Substrate Specificity; Tissue Distribution; Zinc Acetate | 2007 |
Effect of hyperhomocysteinemia on cardiovascular risk factors and initiation of atherosclerosis in Wistar rats.
Topics: Animals; Aorta; Atherosclerosis; C-Reactive Protein; Cardiovascular Diseases; Caveolin 2; Cholesterol; Cysteine; Homocysteine; Hydroxymethylglutaryl CoA Reductases; Hyperhomocysteinemia; In Vitro Techniques; Leukotrienes; Liver; Male; Methionine; Nitric Oxide; Rats; Rats, Wistar; Receptors, Purinergic P2; Receptors, Purinergic P2X2; Receptors, Purinergic P2Y2; Resistin; Tunica Media | 2007 |
High-throughput and simultaneous measurement of homocysteine and cysteine in human plasma and urine by liquid chromatography-electrospray tandem mass spectrometry.
Topics: Adult; Child; Chromatography, Liquid; Cysteine; Homocysteine; Humans; Mass Spectrometry; Molecular Structure; Reference Standards; Time Factors | 2007 |
Marfanoid features in a child with combined methylmalonic aciduria and homocystinuria (CblC type).
Topics: Adolescent; Carnitine; Carrier Proteins; Child; Cysteine; Diagnosis, Differential; DNA Mutational Analysis; Exons; Female; Folic Acid; Genetic Testing; Heterozygote; Homocysteine; Homocystinuria; Humans; Male; Marfan Syndrome; Metabolism, Inborn Errors; Methylmalonic Acid; Mutation; Oxidoreductases; Pedigree; Phenotype; Treatment Outcome; Vitamin B 12; Vitamin B 6; Vitamins | 2007 |
Inhibition of human dimethylarginine dimethylaminohydrolase-1 by S-nitroso-L-homocysteine and hydrogen peroxide. Analysis, quantification, and implications for hyperhomocysteinemia.
Topics: Amidohydrolases; Amino Acid Sequence; Animals; Binding Sites; Cloning, Molecular; Cysteine; Dose-Response Relationship, Drug; Drug Design; Homocysteine; Humans; Hydrogen Peroxide; Hyperhomocysteinemia; Kinetics; Molecular Sequence Data; Oxidation-Reduction; Sequence Homology, Amino Acid; Substrate Specificity | 2007 |
The association between cysteine, bone turnover, and low bone mass.
Topics: Aged; Aged, 80 and over; Bone Density; Cohort Studies; Collagen Type I; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Middle Aged; Peptides | 2007 |
Amino acid analysis of peptide loading ratios in conjugate vaccines: a comparison of direct electrochemical detection and 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate pre-column derivatization methods.
Topics: Amino Acids; Aminocaproic Acid; Aminoquinolines; Bacterial Proteins; Carbamates; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Cysteine; Electrochemistry; Homocysteine; Hydrolysis; Neisseria meningitidis; Peptides; Sensitivity and Specificity; Temperature; Time Factors; Vaccines, Conjugate | 2008 |
Plasma aminothiol compounds, but not serum tumor necrosis factor receptor II and soluble receptor for advanced glycation end products, are related to the cognitive impairment in Alzheimer's disease and mild cognitive impairment patients.
Topics: Aged; Aged, 80 and over; Alzheimer Disease; Biomarkers; Cognition Disorders; Cysteine; Down-Regulation; Female; Glutathione; Homocysteine; Humans; Male; Middle Aged; Predictive Value of Tests; Receptor for Advanced Glycation End Products; Receptors, Immunologic; Receptors, Tumor Necrosis Factor, Type II; Sulfhydryl Compounds; Up-Regulation | 2007 |
Predicting protein homocysteinylation targets based on dihedral strain energy and pKa of cysteines.
Topics: Computational Biology; Cysteine; Databases, Protein; Homocysteine; Humans; Hydrogen-Ion Concentration; Protein Binding; Signal Transduction; Thermodynamics | 2008 |
Oxidative stress modulates DNA methylation during melanocyte anchorage blockade associated with malignant transformation.
Topics: Acetylcysteine; Animals; Anoikis; Cell Adhesion; Cell Culture Techniques; Cell Transformation, Neoplastic; Cells, Cultured; Cysteine; DNA Methylation; Gene Expression Regulation; Glutathione; Homocysteine; Lipid Peroxidation; Melanocytes; Mice; NG-Nitroarginine Methyl Ester; Nitric Oxide; Oxidative Stress; Sepharose; Superoxides; Trypsin | 2007 |
Aminothiol redox alterations in patients with chronic heart failure of ischaemic or non-ischaemic origin.
Topics: Aged; alpha-Tocopherol; Ascorbic Acid; Biomarkers; Case-Control Studies; Chronic Disease; Cysteine; Dipeptides; Disease Progression; Female; Glutathione; Heart Failure; Homocysteine; Humans; Lipid Peroxidation; Male; Malondialdehyde; Middle Aged; Myocardial Ischemia; Oxidation-Reduction; Oxidative Stress; Research Design; Sulfhydryl Compounds | 2007 |
Antithrombin activity is inhibited by acrolein and homocysteine thiolactone: Protection by cysteine.
Topics: Acrolein; Antithrombins; Cysteine; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Homocysteine; Humans; Plasminogen; Time Factors | 2008 |
Homocysteinemia correlates with plasma thiol redox status in patients with end-stage renal disease.
Topics: Adult; Aged; Aged, 80 and over; Case-Control Studies; Cysteine; Dialysis; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Male; Middle Aged; Oxidation-Reduction; Statistics, Nonparametric; Sulfhydryl Compounds; Vitamin B Complex | 2008 |
Specific detection of cysteine and homocysteine: recognizing one-methylene difference using fluorosurfactant-capped gold nanoparticles.
Topics: Cysteine; Gold; Homocysteine; Hydrogen Bonding; Kinetics; Nanoparticles; Osmolar Concentration; Sodium Chloride; Solutions; Surface-Active Agents; Time Factors | 2007 |
Ammonium 5-bromo-7-fluorobenzo-2-oxa-1,3-diazole-4-sulphonate: a new fluorogenic reagent for the determination of aminothiols by HPLC.
Topics: Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Fluorescent Dyes; Fluorometry; Glutathione; Homocysteine; Humans; Oxadiazoles; Sulfhydryl Compounds; Sulfonic Acids | 2007 |
Pilot study of homocysteine and cysteine in patients with thrombosis in different vascular sites. Epidemiology and response to folate.
Topics: Adult; Aged; Cysteine; Female; Folic Acid; Genotype; Homocysteine; Humans; Hyperhomocysteinemia; Male; Middle Aged; Pilot Projects; Thrombosis; Vitamin B 12 | 2009 |
MRP2 and the DMPS- and DMSA-mediated elimination of mercury in TR(-) and control rats exposed to thiol S-conjugates of inorganic mercury.
Topics: Animals; ATP-Binding Cassette Transporters; Body Burden; Chelating Agents; Cysteine; Homocysteine; Kidney; Liver; Male; Mercury; Rats; Rats, Wistar; Succimer; Unithiol | 2008 |
[Clinical evaluation of serum albumin reductivity in patients with renal dysfunction: a comparison between conservative renal failure patients and hemodialysis patients].
Topics: Adult; Aged; Aging; Chromatography, High Pressure Liquid; Cysteine; Female; Gas Chromatography-Mass Spectrometry; Glomerular Filtration Rate; Homocysteine; Humans; Male; Middle Aged; Oxidation-Reduction; Renal Dialysis; Renal Insufficiency; Serum Albumin | 2008 |
Clinical usefulness of a HPLC method for simultaneous quantitation of plasma homocysteine and cysteine.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Diet, Vegetarian; Female; Homocysteine; Humans; Hyperhomocysteinemia; Immunoassay; Male; Middle Aged; Nutritional Status; Time Factors | 2008 |
Determination of plasma aminothiols by high performance liquid chromatography after precolumn derivatization with N-(2-acridonyl)maleimide.
Topics: Chromatography, High Pressure Liquid; Cysteine; Glutathione; Homocysteine; Humans; Maleimides; Plasma; Reference Standards; Sensitivity and Specificity | 2008 |
Sodium hydroxide as pretreatment and fluorosurfactant-capped gold nanoparticles as sensor for the highly selective detection of cysteine.
Topics: Cysteine; Fluorescent Dyes; Gold; Homocysteine; Humans; Kinetics; Metal Nanoparticles; Methods; Sodium Hydroxide; Surface-Active Agents | 2008 |
Transsulfuration pathway defects and increased glutathione degradation in severe acute pancreatitis.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; APACHE; Biomarkers; Case-Control Studies; Cysteine; Dipeptides; Erythrocytes; Female; gamma-Glutamyltransferase; Glutathione; Homocysteine; Humans; Male; Middle Aged; Pancreatitis; Young Adult | 2009 |
Cysteinylation and homocysteinylation of plasma protein thiols during ageing of healthy human beings.
Topics: Adult; Aged; Aged, 80 and over; Aging; Antioxidants; Chromatography, High Pressure Liquid; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Oxidative Stress; Risk; Sulfhydryl Compounds | 2009 |
Homocysteine, cysteine, and body composition in the Hordaland Homocysteine Study: does cysteine link amino acid and lipid metabolism?
Topics: Aged; Amino Acids; Body Composition; Body Mass Index; Cysteine; Female; Homocysteine; Humans; Lipids; Male; Middle Aged; Norway; Obesity; Regression Analysis; Software; Thinness | 2008 |
Association between plasma thiols and immune activation marker neopterin in stable coronary heart disease.
Topics: Aged; Biomarkers; Coronary Angiography; Coronary Disease; Cysteine; Female; Homocysteine; Humans; Male; Middle Aged; Neopterin; Predictive Value of Tests; Sulfhydryl Compounds | 2008 |
Methionine metabolism in an animal model of sepsis.
Topics: Animals; Cysteine; Disease Models, Animal; Glutathione; Homocysteine; Lipopolysaccharides; Male; Methionine; Oxidation-Reduction; Rats; S-Adenosylhomocysteine; S-Adenosylmethionine; Sepsis | 2008 |
Dimethylthetin as a methylator of homocysteine.
Topics: Betaine; Cysteine; Glycine; Homocysteine; Humans | 1948 |
H2S as a physiologic vasorelaxant: hypertension in mice with deletion of cystathionine gamma-lyase.
Topics: Animals; Aorta; Blood Pressure; Calcium; Calmodulin; Cystathionine gamma-Lyase; Cysteine; Endothelium, Vascular; Homocysteine; Hydrogen Sulfide; Hypertension; Mesenteric Arteries; Methacholine Chloride; Mice; Mice, Knockout; Myocardium; Oxidation-Reduction; Sulfides; Vasodilation | 2008 |
A ratiometric fluorescent probe for cysteine and homocysteine displaying a large emission shift.
Topics: Cysteine; Fluorescent Dyes; Homocysteine; Imidazoles; Phenanthrolines; Spectrometry, Fluorescence | 2008 |
High-casein diet suppresses guanidinoacetic acid-induced hyperhomocysteinemia and potentiates the hypohomocysteinemic effect of serine in rats.
Topics: Animals; Caseins; Cysteine; Diet; Glycine; Homocysteine; Hyperhomocysteinemia; Male; Methionine; Rats; Rats, Wistar; Serine | 2008 |
Fluorescence turn-on probe for homocysteine and cysteine in water.
Topics: Cysteine; Fluorescent Dyes; Homocysteine; Magnetic Resonance Spectroscopy; Molecular Structure; Spectrometry, Fluorescence; Water | 2008 |
Human polycomb 2 protein is a SUMO E3 ligase and alleviates substrate-induced inhibition of cystathionine beta-synthase sumoylation.
Topics: Cystathionine beta-Synthase; Cysteine; Enzyme Activation; Homocysteine; Humans; Ligases; Models, Molecular; Polycomb-Group Proteins; Protein Processing, Post-Translational; Repressor Proteins; S-Adenosylmethionine; Serine; SUMO-1 Protein; Ubiquitin-Protein Ligases | 2008 |
Choline deprivation induces hyperhomocysteinemia in rats fed low methionine diets.
Topics: Animals; Betaine; Choline; Choline Deficiency; Cysteine; Dietary Supplements; Growth; Homocysteine; Hyperhomocysteinemia; Lipotropic Agents; Liver; Male; Methionine; Rats; Rats, Wistar | 2008 |
Cysteine, homocysteine and bone mineral density: a role for body composition?
Topics: Adult; Aged; Body Composition; Body Mass Index; Bone Density; Cysteine; Female; Homocysteine; Humans; Linear Models; Male | 2009 |
Nonionic surfactant-capped gold nanoparticles for selective enrichment of aminothiols prior to CE with UV absorption detection.
Topics: Amines; Cysteine; Dithioerythritol; Electrophoresis, Capillary; Glutathione; Gold; Homocysteine; Humans; Male; Nanoparticles; Polysorbates; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds | 2009 |
Oxidative/nitrative modifications of plasma proteins and thiols from patients with schizophrenia.
Topics: Adult; Biomarkers; Blood Proteins; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Enzyme-Linked Immunosorbent Assay; Female; Glutathione; Homocysteine; Humans; Male; Oxidative Stress; Schizophrenia; Tyrosine | 2009 |
Evaluation of low molecular mass thiols content in carotid atherosclerotic plaques.
Topics: Aged; Carotid Artery Diseases; Carotid Stenosis; Cysteine; Dipeptides; Electrophoresis, Capillary; Female; Homocysteine; Humans; Male; Middle Aged; Molecular Weight; Sulfhydryl Compounds | 2009 |
One- and two-photon turn-on fluorescent probe for cysteine and homocysteine with large emission shift.
Topics: Cysteine; Fluorescence; Fluorescent Dyes; Homocysteine; Molecular Structure; Photons; Polyethylene Glycols; Structure-Activity Relationship | 2009 |
[A comparative study on pathogenic effects of homocysteine and cysteine on atherosclerosis].
Topics: Apoptosis; Atherosclerosis; Cells, Cultured; Cysteine; DNA Methylation; Estrogen Receptor alpha; Homocysteine; Humans; Malondialdehyde; Muscle, Smooth, Vascular; Oxidative Stress; RNA, Messenger; Superoxide Dismutase; Umbilical Veins | 2009 |
Sulfur amino acid deficiency upregulates intestinal methionine cycle activity and suppresses epithelial growth in neonatal pigs.
Topics: Amino Acids, Sulfur; Animals; Animals, Newborn; Cell Division; Cysteine; Enteral Nutrition; Epithelial Cells; Female; Glutathione; Goblet Cells; Homocysteine; Intestinal Mucosa; Iodine Radioisotopes; Methionine; Methionine Adenosyltransferase; Methylation; Models, Biological; Nitrogen Isotopes; Organ Size; Oxidation-Reduction; Sus scrofa; Tritium; Up-Regulation | 2009 |
Reversed-phase liquid chromatography method for the determination of total plasma thiols after derivatization with 1-benzyl-2-chloropyridinium bromide.
Topics: Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Disulfides; Glutathione; Homocysteine; Humans; Linear Models; Pyridinium Compounds; Reproducibility of Results; Sensitivity and Specificity | 2009 |
Exploring the pH dependence of viologen reduction by alpha-carbon radicals derived from HCy and Cys.
Topics: Carbon; Cysteine; Free Radicals; Homocysteine; Hydrogen-Ion Concentration; Oxidation-Reduction; Viologens | 2009 |
Hypohomocysteinemic effect of cysteine is associated with increased plasma cysteine concentration in rats fed diets low in protein and methionine levels.
Topics: Animals; Betaine-Homocysteine S-Methyltransferase; Caseins; Choline; Cystathionine beta-Synthase; Cysteic Acid; Cysteine; Diet, Protein-Restricted; Dietary Supplements; Glycine; Homocysteine; Hyperhomocysteinemia; Male; Mercaptoethylamines; Methionine; Rats; Rats, Wistar; S-Adenosylhomocysteine; Soybean Proteins | 2009 |
A validated HPLC-fluorescence method with a semi-micro column for routine determination of homocysteine, cysteine and cysteamine, and the relation between the thiol derivatives in normal human plasma.
Topics: Chromatography, High Pressure Liquid; Cysteamine; Cysteine; Fluorobenzenes; Homocysteine; Humans; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence | 2009 |
Characterization of cysteine and homocysteine bound to human serum transthyretin.
Topics: Amino Acids; Chromatography, High Pressure Liquid; Cysteine; Electrophoresis, Polyacrylamide Gel; Fluorescence; Homocysteine; Humans; Isoelectric Focusing; Molecular Weight; Prealbumin; Protein Binding; Reducing Agents; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Sulfur | 2009 |
Differential thiol status in blood of different mouse strains exposed to cigarette smoke.
Topics: Animals; Cysteine; Dipeptides; Emphysema; Genetic Predisposition to Disease; Glutathione; Glutathione Disulfide; Homocysteine; Male; Mice; Mice, Inbred C57BL; Mice, Inbred DBA; Mice, Inbred ICR; Oxidative Stress; Sulfhydryl Compounds; Tobacco Smoke Pollution | 2009 |
Theoretical and experimental sulfur K-edge X-ray absorption spectroscopic study of cysteine, cystine, homocysteine, penicillamine, methionine and methionine sulfoxide.
Topics: Cysteine; Cystine; Homocysteine; Hydrogen-Ion Concentration; Mercury; Methionine; Molecular Conformation; Nickel; Penicillamine; Protons; Spectrometry, X-Ray Emission; Sulfur Compounds; Water | 2009 |
A novel role for vitamin B(12): Cobalamins are intracellular antioxidants in vitro.
Topics: Acetylcysteine; Antioxidants; Cell Line; Cell Survival; Cysteine; Glutathione; Homocysteine; Humans; Hydrogen Peroxide; Oxidative Stress; Reactive Oxygen Species; Vitamin B 12; Vitamin B Complex | 2009 |
Beneficial effects of danshensu, an active component of Salvia miltiorrhiza, on homocysteine metabolism via the trans-sulphuration pathway in rats.
Topics: Animals; Cardiovascular Agents; Cysteine; Dose-Response Relationship, Drug; Glutathione; Homocysteine; Hyperhomocysteinemia; Lactates; Male; Methionine; Rats; Rats, Sprague-Dawley; Salvia miltiorrhiza | 2009 |
Hepatic cystathionine beta-synthase activity does not increase in response to methionine supplementation in rats fed a low casein diet: association with plasma homocysteine concentrations.
Topics: Animals; Betaine-Homocysteine S-Methyltransferase; Caseins; Cystathionine beta-Synthase; Cysteine; Dietary Proteins; Dietary Supplements; Dose-Response Relationship, Drug; Energy Intake; Glycine; Homocysteine; Liver; Male; Methionine; Organ Size; Rats; Rats, Wistar; RNA, Messenger; S-Adenosylhomocysteine; S-Adenosylmethionine; Serine; Weight Gain | 2009 |
Identification and characterization of a strain-dependent cystathionine beta/gamma-lyase in Lactobacillus casei potentially involved in cysteine biosynthesis.
Topics: Cloning, Molecular; Cystathionine gamma-Lyase; Cysteine; DNA, Bacterial; Escherichia coli; Gene Expression; Homocysteine; Lacticaseibacillus casei; Lyases; Methionine; Molecular Sequence Data; Sequence Analysis, DNA; Sequence Analysis, Protein | 2009 |
Folate, Cobalamin, Cysteine, Homocysteine, and Arsenic Metabolism among Children in Bangladesh.
Topics: Arsenic; Child; Cysteine; Environmental Exposure; Female; Folic Acid; Homocysteine; Humans; Linear Models; Male; Sex Factors; Vitamin B 12; Water Pollutants, Radioactive | 2009 |
Blood levels of homocysteine, cysteine, glutathione, folic acid, and vitamin B12 in the acute phase of atherothrombotic stroke.
Topics: Acute Disease; Aged; Aged, 80 and over; Brain Ischemia; Cysteine; Female; Folic Acid; Glutathione; Homocysteine; Humans; Hyperhomocysteinemia; Intracranial Thrombosis; Male; Middle Aged; Risk Factors; Stroke; Vitamin B 12; Vitamins | 2009 |
Boron deprivation decreases liver S-adenosylmethionine and spermidine and increases plasma homocysteine and cysteine in rats.
Topics: Animals; Boron; Cysteine; Dinoprost; Female; Fish Oils; Homocysteine; Liver; Male; Oxidative Stress; Rats; S-Adenosylmethionine; Spermidine | 2009 |
Photoactivated CdTe/CdSe quantum dots as a near infrared fluorescent probe for detecting biothiols in biological fluids.
Topics: Cadmium Compounds; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Quantum Dots; Selenium Compounds; Spectroscopy, Near-Infrared; Sulfhydryl Compounds; Tellurium | 2009 |
Fully automated method for simultaneous determination of total cysteine, cysteinylglycine, glutathione and homocysteine in plasma by HPLC with UV absorbance detection.
Topics: Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Spectrophotometry, Ultraviolet | 2009 |
Bi-directional alterations of LTP after acute homocysteine exposure.
Topics: Action Potentials; Analysis of Variance; Animals; CA1 Region, Hippocampal; Cysteine; Electric Stimulation; Homocysteine; In Vitro Techniques; Long-Term Potentiation; Male; Microelectrodes; N-Methylaspartate; Neurons; Rats; Rats, Inbred Strains; Synaptic Transmission | 2009 |
Homocysteine and cysteine concentrations are modified by recent exposure to environmental air pollution in São Paulo, Brazil.
Topics: Air Pollutants; Animals; Brazil; Cysteine; Environmental Exposure; Female; Homocysteine; Linear Models; Male; Maternal Exposure; Mice; Models, Animal; Pregnancy; Urban Population; Vehicle Emissions | 2009 |
A fluorescent chemodosimeter specific for cysteine: effective discrimination of cysteine from homocysteine.
Topics: Animals; Cell Line, Tumor; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Hydrolysis; PC12 Cells; Rats; Spectrometry, Fluorescence | 2009 |
Interaction of methylglyoxal and hydrogen sulfide in rat vascular smooth muscle cells.
Topics: Animals; Cell Line; Cysteine; Dose-Response Relationship, Drug; Glutathione; Homocysteine; Hydrogen Sulfide; Lyases; Muscle, Smooth, Vascular; Myocytes, Smooth Muscle; Pyruvaldehyde; Rats; Reactive Oxygen Species; Time Factors | 2010 |
Decreased plasma cysteinylglycine and taurine levels in branch retinal vein occlusion.
Topics: Age Factors; Aged; Aged, 80 and over; Case-Control Studies; Cysteine; Dipeptides; Electrophoresis, Capillary; Female; Glutathione; Homocysteine; Humans; Male; Middle Aged; Retinal Vein Occlusion; Risk Factors; Taurine | 2010 |
Homocysteine disulphides and vascular disease.
Topics: Cysteine; Disulfides; Homocysteine; Humans; Osmolar Concentration; Solubility; Vascular Diseases | 2009 |
Hydrogen sulfide production from cysteine and homocysteine by periodontal and oral bacteria.
Topics: Adult; Aged; Bacteria; Bacteroides; Bismuth; Carbon-Sulfur Lyases; Chlorides; Cysteine; Dental Plaque; Enterococcus; Female; Fusobacterium nucleatum; Homocysteine; Humans; Hydrogen Sulfide; Indicators and Reagents; Male; Middle Aged; Mouth; Periodontal Diseases; Periodontal Pocket; Porphyromonas gingivalis; Prevotella intermedia; Prevotella nigrescens; Streptococcus; Streptococcus anginosus | 2009 |
Glutathione and riboflavin status in supplemented patients undergoing home nocturnal hemodialysis versus standard hemodialysis.
Topics: Adult; Ascorbic Acid; C-Reactive Protein; Cross-Sectional Studies; Cysteine; Dietary Proteins; Energy Intake; Erythrocytes; Female; Glutathione; Glutathione Reductase; Hemodialysis, Home; Homocysteine; Humans; Kidney Failure, Chronic; Male; Middle Aged; Nutritional Status; Renal Dialysis; Riboflavin; Vitamins | 2010 |
Taurine-deficient diet up-regulated cystathionine beta-synthase monoallele in hemizygous cystathionine beta-synthase knockout mice.
Topics: Animals; Cholesterol; Cystathionine beta-Synthase; Cysteine; Diet; Female; Heterozygote; Homocysteine; Liver; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; RNA, Messenger; Sex Factors; Taurine; Taurocholic Acid; Up-Regulation; Vitamin B 6 Deficiency | 2009 |
Ligand exchange effects in gold nanoparticle assembly induced by oxidative stress biomarkers: homocysteine and cysteine.
Topics: Biomarkers; Citrates; Cysteine; Gold; Homocysteine; Ligands; Light; Metal Nanoparticles; Molecular Conformation; Molecular Dynamics Simulation; Organic Chemicals; Oxidative Stress; Scattering, Radiation; Spectrum Analysis; Time Factors | 2010 |
Biochemical, biometrical and behavioral changes in male offspring of sleep-deprived mice.
Topics: Animals; Animals, Newborn; Corticosterone; Cysteine; Embryonic Development; Estradiol; Female; Homocysteine; Litter Size; Male; Maze Learning; Mice; Motor Activity; Organ Size; Pregnancy; Pregnancy Maintenance; Progesterone; Sex Ratio; Sleep Deprivation; Superoxide Dismutase; Time Factors | 2010 |
Chronic pancreatitis is associated with hyperhomocysteinemia and derangements in transsulfuration and transmethylation pathways.
Topics: Adult; Creatinine; Cysteine; Erythrocytes; Female; Folic Acid; Glutathione; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methionine; Methylation; Middle Aged; Models, Biological; Multivariate Analysis; Pancreatitis, Alcoholic; Pancreatitis, Chronic; Regression Analysis; Signal Transduction; Sulfates; Sulfur; Young Adult | 2010 |
In Helicobacter pylori, LuxS is a key enzyme in cysteine provision through a reverse transsulfuration pathway.
Topics: Bacterial Proteins; Carbon-Sulfur Lyases; Computational Biology; Culture Media; Cystathionine; Cysteine; DNA, Bacterial; Gene Knockout Techniques; Gene Order; Gene Transfer, Horizontal; Gram-Positive Bacteria; Helicobacter pylori; Homocysteine; Metabolic Networks and Pathways; Sequence Analysis, DNA; Sulfur | 2010 |
Direct determination of tissue aminothiol, disulfide, and thioether levels using HPLC-ECD with a novel stable boron-doped diamond working electrode.
Topics: Animals; Boron; Chromatography, High Pressure Liquid; Cysteine; Diamond; Disulfides; Electrochemistry; Electrodes; Glutathione; Homocysteine; Humans; Reproducibility of Results; Sulfides | 2010 |
A highly selective FRET-based fluorescent probe for detection of cysteine and homocysteine.
Topics: Cell Line; Cysteine; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Homocysteine; Humans; Spectrometry, Fluorescence | 2010 |
Cystathionine beta-synthase 844Ins68 polymorphism is not associated with the levels of homocysteine and cysteine in an Indian population.
Topics: Adult; Case-Control Studies; Cystathionine beta-Synthase; Cysteine; Female; Gene Frequency; Heterozygote; Homocysteine; Homozygote; Humans; India; Male; Middle Aged; Oxidation-Reduction; Polymorphism, Genetic | 2010 |
An improved method for simultaneous analysis of aminothiols in human plasma by high-performance liquid chromatography with fluorescence detection.
Topics: Calibration; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Oxadiazoles; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfonic Acids; Temperature | 2010 |
Plasma homocysteine and cysteine and risk of breast cancer in women.
Topics: Breast Neoplasms; Case-Control Studies; Cysteine; Female; Folic Acid; Homocysteine; Humans; Middle Aged; Prospective Studies; Pyridoxal Phosphate; Vitamin B 12 | 2010 |
Plasma total cysteine and total homocysteine and risk of myocardial infarction in women: a prospective study.
Topics: Adult; Case-Control Studies; Cysteine; Female; Homocysteine; Humans; Middle Aged; Myocardial Infarction; Risk Factors | 2010 |
A prospective study of one-carbon metabolism biomarkers and risk of renal cell carcinoma.
Topics: Biomarkers; Carbon; Carcinoma, Renal Cell; Case-Control Studies; Chromatography, High Pressure Liquid; Cysteine; Folic Acid; Homocysteine; Humans; Kidney Neoplasms; Logistic Models; Male; Middle Aged; Prospective Studies; Riboflavin; Risk Assessment; Risk Factors; Vitamin B 12; Vitamin B 6 | 2010 |
Response of European sea bass (Dicentrarchus labrax) to graded levels of methionine (total sulfur amino acids) in soya protein-based semi-purified diets.
Topics: Amino Acids, Sulfur; Animal Feed; Animals; Bass; Cysteine; Diet; Dose-Response Relationship, Drug; Energy Intake; Homocysteine; Lens, Crystalline; Methionine; Nitrogen; Nutritional Requirements; Soybean Proteins; Weight Gain | 2010 |
Cysteinemia, rather than homocysteinemia, is associated with plasma apolipoprotein A-I levels in hyperhomocysteinemia: lipid metabolism in cystathionine beta-synthase deficiency.
Topics: Administration, Oral; Animals; Apolipoprotein A-I; Beverages; Biomarkers; Blood Glucose; Cholesterol, HDL; Cysteine; Disease Models, Animal; Glycine; Homocysteine; Homocystinuria; Hyperhomocysteinemia; Lipid Metabolism; Liver; Male; Mice; Mice, Knockout; RNA, Messenger; Spain; Triglycerides | 2010 |
Phosphorescence imaging of homocysteine and cysteine in living cells based on a cationic iridium(III) complex.
Topics: Cations; Cell Line, Tumor; Coordination Complexes; Cysteine; Homocysteine; Humans; Iridium; Luminescent Measurements; Magnetic Resonance Spectroscopy; Molecular Structure | 2010 |
Transforming a blue copper into a red copper protein: engineering cysteine and homocysteine into the axial position of azurin using site-directed mutagenesis and expressed protein ligation.
Topics: Amino Acid Sequence; Azurin; Color; Copper; Cysteine; Electrochemistry; Gene Expression; Homocysteine; Ligands; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Protein Conformation; Pseudomonas aeruginosa; Spectrum Analysis | 2010 |
Turn-on luminescent probe for cysteine/homocysteine based on a ruthenium(II) complex.
Topics: Amino Acids; Animals; Cysteine; DNA; Homocysteine; Luminescent Agents; Luminescent Measurements; Ruthenium Compounds; Sensitivity and Specificity; Serum Albumin, Bovine | 2010 |
Extracellular transsulfuration generates hydrogen sulfide from homocysteine and protects endothelium from redox stress.
Topics: Adolescent; Adult; Aged; Animals; Cells, Cultured; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Endothelium, Vascular; Hepatocytes; Homocysteine; Humans; Hydrogen Sulfide; Mice; Mice, Inbred C57BL; Middle Aged; Models, Animal; Oxidation-Reduction; Oxidative Stress; Young Adult | 2010 |
Rhodamine-sugar based turn-on fluorescent probe for the detection of cysteine and homocysteine in water.
Topics: Carbohydrates; Chemistry Techniques, Analytical; Cysteine; Fluorescent Dyes; Homocysteine; Rhodamines; Spectrometry, Fluorescence; Water | 2010 |
L-Carnitine protects plasma components against oxidative alterations.
Topics: Adult; Antioxidants; Blood Proteins; Carnitine; Cysteine; Dietary Supplements; Glutathione; Homocysteine; Humans; Lipid Peroxides; Lipids; Male; Osmolar Concentration; Oxidants; Oxidation-Reduction; Oxidative Stress; Peroxynitrous Acid; Protein Carbonylation; Thiobarbituric Acid Reactive Substances; Tyrosine; Young Adult | 2011 |
Anti-aggregation of gold nanoparticle-based colorimetric sensor for glutathione with excellent selectivity and sensitivity.
Topics: Colorimetry; Cysteine; Glutathione; Gold; Homocysteine; Metal Nanoparticles | 2011 |
A note on the conversion in vivo of the S-benzyl-N-methyl derivatives of cysteine and homocysteine to the N-acetyl-S-benzyl derivatives of cysteine and homocysteine.
Topics: Cysteine; Homocysteine | 1946 |
Prebiotic synthesis of methionine and other sulfur-containing organic compounds on the primitive Earth: a contemporary reassessment based on an unpublished 1958 Stanley Miller experiment.
Topics: Ammonia; Carbon Dioxide; Chromatography, High Pressure Liquid; Cysteamine; Cysteine; Electricity; History, 20th Century; Homocysteine; Hydrogen Sulfide; Methane; Methionine; Sulfur Compounds; Ultraviolet Rays | 2011 |
D-penicillamine interferes with S-homocysteinylation and S-cysteinylation of LDL apolipoprotein B.
Topics: Apolipoproteins B; Cysteine; Hepatolenticular Degeneration; Homocysteine; Humans; Penicillamine; Sulfhydryl Compounds | 2011 |
Coumarin-malonitrile conjugate as a fluorescence turn-on probe for biothiols and its cellular expression.
Topics: Coumarins; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; Homocysteine; Molecular Probes; Nitriles; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfhydryl Compounds; Time Factors | 2011 |
Pre-steady-state kinetic analysis of enzyme-monitored turnover during cystathionine β-synthase-catalyzed H(2)S generation.
Topics: Cystathionine; Cystathionine beta-Synthase; Cysteine; Homocysteine; Hydrogen Sulfide; Kinetics; Models, Chemical; Protein Conformation; Saccharomyces cerevisiae Proteins | 2011 |
Aqueous normal phase chromatography improves quantification and qualification of homocysteine, cysteine and methionine by liquid chromatography-tandem mass spectrometry.
Topics: Cardiovascular Diseases; Chromatography, Liquid; Cysteine; Homocysteine; Humans; Hydrophobic and Hydrophilic Interactions; Immunoassay; Linear Models; Methionine; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry | 2011 |
Fluorescent chemodosimeter for Cys/Hcy with a large absorption shift and imaging in living cells.
Topics: Absorption; Cell Survival; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Models, Molecular; Molecular Structure | 2011 |
Global regulation of the response to sulfur availability in the cheese-related bacterium Brevibacterium aurantiacum.
Topics: Brevibacterium; Carbon-Oxygen Lyases; Carbon-Sulfur Lyases; Cysteine; Cystine; Gene Expression Profiling; Gene Expression Regulation, Bacterial; Homocysteine; Metabolome; Methionine; Reverse Transcriptase Polymerase Chain Reaction; Sulfur | 2011 |
Could vitamins be helpful to patients with sleep apnea?
Topics: Biomarkers; Cysteine; Homocysteine; Humans; Severity of Illness Index; Sleep Apnea Syndromes; Vitamins | 2011 |
Carotid restenosis is associated with plasma ADMA concentrations in carotid endarterectomy patients.
Topics: Aged; Arginine; Carotid Artery Diseases; Cohort Studies; Cysteine; Endarterectomy, Carotid; Female; Homocysteine; Humans; Male; Middle Aged; Regression Analysis | 2011 |
Total, free, and protein-bound thiols in plasma of peritoneal dialysis and predialysis patients.
Topics: Adult; Aged; Aged, 80 and over; Analysis of Variance; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Kidney Failure, Chronic; Male; Middle Aged; Peritoneal Dialysis, Continuous Ambulatory; Statistics, Nonparametric; Sulfhydryl Compounds | 2011 |
Biodiversity in sulfur metabolism in hemiascomycetous yeasts.
Topics: Amino Acids, Sulfur; Biodiversity; Cysteine; Genetic Variation; Glucosephosphate Dehydrogenase; Glutathione; Heme; Homocysteine; Methionine; NADP; Phylogeny; Sequence Alignment; Sequence Analysis, Protein; Sulfur; Yeasts | 2011 |
Indicator approach to develop a chemosensor for the colorimetric sensing of thiol-containing water and its application for the thiol detection in plasma.
Topics: Anions; Biosensing Techniques; Color; Colorimetry; Copper; Cysteine; Glutathione; Homocysteine; Humans; Hydrogen-Ion Concentration; Indicators and Reagents; Linear Models; Molecular Structure; Plasma; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds; Water; Xylenes | 2011 |
"Turn-on" FRET-based luminescent iridium(III) probes for the detection of cysteine and homocysteine.
Topics: Chemistry Techniques, Analytical; Cysteine; Drug Design; Fluorescence Resonance Energy Transfer; Homocysteine; Iridium; Luminescent Agents | 2011 |
Glycine-N methyltransferase expression in HepG2 cells is involved in methyl group homeostasis by regulating transmethylation kinetics and DNA methylation.
Topics: Carcinoma, Hepatocellular; Cysteine; Cytidine; DNA Methylation; DNA Modification Methylases; Gene Expression; Glycine N-Methyltransferase; Hep G2 Cells; Hepatocytes; Homeostasis; Homocysteine; Humans; Kinetics; Liver Neoplasms; Methionine; Methionine Adenosyltransferase; Methylation; Osmolar Concentration; S-Adenosylhomocysteine; S-Adenosylmethionine | 2011 |
Selective recognition of homocysteine and cysteine based on new ruthenium(II) complexes.
Topics: Cations, Divalent; Cysteine; Homocysteine; Luminescent Measurements; Organometallic Compounds; Ruthenium; Spectrophotometry, Ultraviolet | 2011 |
Serum folate is significantly correlated with plasma cysteine concentrations in healthy industry workers.
Topics: Adult; Aged; Aging; Cardiovascular Diseases; Cysteine; Extraction and Processing Industry; Folic Acid; Homocysteine; Humans; Male; Middle Aged; Neoplasms; Norway; Risk Factors; Triglycerides; Young Adult | 2011 |
Methionine and protein metabolism in non-alcoholic steatohepatitis: evidence for lower rate of transmethylation of methionine.
Topics: Adipokines; Adult; Aged; Calorimetry, Indirect; Case-Control Studies; Cysteine; Fatty Liver; Female; Glutathione; Homocysteine; Humans; Inflammation Mediators; Insulin Resistance; Liver; Male; Methionine; Methylation; Middle Aged; Non-alcoholic Fatty Liver Disease; Phenylalanine; Proteins; Urea; Young Adult | 2011 |
A ratiometric fluorescent probe for specific detection of cysteine over homocysteine and glutathione based on the drastic distinction in the kinetic profiles.
Topics: Cell Line, Tumor; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Kinetics; Pyrones; Spectrometry, Fluorescence | 2011 |
Synthesis of (S)-naproxen-benzotriazole and its application as chiral derivatizing reagent for microwave-assisted synthesis and indirect high performance liquid chromatographic separation of diastereomers of penicillamine, cysteine and homocysteine.
Topics: Chromatography, High Pressure Liquid; Cysteine; Homocysteine; Hydrogen-Ion Concentration; Linear Models; Methanol; Microwaves; Naproxen; Penicillamine; Reproducibility of Results; Sensitivity and Specificity; Stereoisomerism; Triazoles | 2011 |
Colorimetric and fluorescent dual probe based on a polythiophene derivative for the detection of cysteine and homocysteine.
Topics: Absorption; Colorimetry; Cysteine; Fluorescent Dyes; Homocysteine; Polymers; Quaternary Ammonium Compounds; Spectrometry, Fluorescence; Thiophenes | 2011 |
Effects of gamma-ray-induced free radicals on the metal content and amino acid composition of human metallothionein-1.
Topics: Butyrates; Cystathionine; Cysteine; Gamma Rays; Homocysteine; Humans; Metallothionein; Methionine; Serine; Zinc | 2011 |
Use of isotope differential derivatization for simultaneous determination of thiols and oxidized thiols by liquid chromatography tandem mass spectrometry.
Topics: Chromatography, High Pressure Liquid; Creatinine; Cysteine; Glutathione; Homocysteine; Humans; Hydrocarbons, Brominated; Hydrogen-Ion Concentration; Isotope Labeling; Microwaves; Oxidation-Reduction; Quinolinium Compounds; Spectrometry, Mass, Electrospray Ionization; Sulfhydryl Compounds; Tandem Mass Spectrometry | 2011 |
Reversible fluorescent probe for highly selective and sensitive detection of mercapto biomolecules.
Topics: Cells, Cultured; Coumarins; Crystallography, X-Ray; Cysteine; Fluorescent Dyes; Glutathione; HEK293 Cells; Homocysteine; Humans; Mercury; Models, Molecular; Molecular Structure; Organomercury Compounds; Particle Size; Stereoisomerism; Surface Properties | 2011 |
Selective determination of homocysteine levels in human plasma using a silver nanoparticle-based colorimetric assay.
Topics: Blood Chemical Analysis; Colorimetry; Cysteine; Homocysteine; Humans; Kinetics; Metal Nanoparticles; Silver; Time Factors | 2011 |
Intraindividual variability of homocysteine and related thiols concentrations in follicular fluid.
Topics: Adult; Cysteine; Dipeptides; Female; Follicular Fluid; Glutathione; Homocysteine; Humans; Sulfhydryl Compounds | 2011 |
Direct detection of biologically significant thiols and disulfides with manganese(IV) chemiluminescence.
Topics: Acetylcysteine; Adult; Biomarkers; Chromatography, High Pressure Liquid; Cysteine; Cystine; Disulfides; Female; Glutathione; Glutathione Disulfide; Homocysteine; Homocystine; Humans; Luminescent Measurements; Male; Manganese; Oxidative Stress; Sulfhydryl Compounds; Young Adult | 2011 |
Relationship between lipid profiles and plasma total homocysteine, cysteine and the risk of coronary artery disease in coronary angiographic subjects.
Topics: Adult; Aged; Aged, 80 and over; Apolipoprotein A-I; Cholesterol, HDL; Coronary Angiography; Coronary Artery Disease; Cross-Sectional Studies; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Lipids; Male; Middle Aged; Prevalence; Risk Factors; Statistics, Nonparametric | 2011 |
Inhibition of betaine-homocysteine S-methyltransferase in rats causes hyperhomocysteinemia and reduces liver cystathionine β-synthase activity and methylation capacity.
Topics: Animals; Betaine-Homocysteine S-Methyltransferase; Cystathionine beta-Synthase; Cysteine; Diet; Enzyme Inhibitors; Fatty Liver; Glutathione; Homeostasis; Homocysteine; Hyperhomocysteinemia; Liver; Male; Methionine; Methylation; Rats; Rats, Inbred Strains; S-Adenosylmethionine | 2011 |
Conjugate addition/cyclization sequence enables selective and simultaneous fluorescence detection of cysteine and homocysteine.
Topics: Cyclization; Cysteine; Fluorescence Resonance Energy Transfer; Homocysteine; Humans; Spectrometry, Fluorescence | 2011 |
Specific detection of cysteine and homocysteine in biological fluids by tuning the pH values of fluorosurfactant-stabilized gold colloidal solution.
Topics: Biosensing Techniques; Colloids; Colorimetry; Cysteine; Equipment Design; Equipment Failure Analysis; Gold; Homocysteine; Humans; Hydrogen-Ion Concentration; Nanoparticles; Surface-Active Agents | 2011 |
A cysteine-selective fluorescent probe for the cellular detection of cysteine.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Sulfhydryl Compounds | 2012 |
Variability of total thiol compounds, oxidative and nitrosative stress in uncomplicated pregnant women and nonpregnant women.
Topics: Adult; Cysteine; Female; Homocysteine; Humans; Lipid Peroxidation; Nitric Oxide; Oxidative Stress; Pregnancy; Young Adult | 2012 |
A strongly bound high-spin iron(II) coordinates cysteine and homocysteine in cysteine dioxygenase.
Topics: Animals; Catalytic Domain; Cysteine; Cysteine Dioxygenase; Ferrous Compounds; Homocysteine; Iron-Binding Proteins; Ligands; Protein Binding; Rats; Recombinant Proteins; Spectroscopy, Mossbauer; Time Factors | 2012 |
Probing intein-catalyzed thioester formation by unnatural amino acid substitutions in the active site.
Topics: Amino Acid Substitution; Bacterial Proteins; Catalysis; Catalytic Domain; Cysteine; DnaB Helicases; Esters; Genetic Variation; Glycine; Homocysteine; Inteins; Molecular Sequence Data; Peptide Fragments; Protein Precursors; Protein Processing, Post-Translational; Protein Splicing; Signal Transduction; Sulfhydryl Compounds; Synechocystis; Thiazoles | 2012 |
Diffuse reflectance spectroscopy of fibrous proteins.
Topics: Animals; Avian Proteins; Birds; Bleaching Agents; Cattle; Cysteine; Feathers; Fibrillar Collagens; Fibroins; Homocysteine; Hydrogen Peroxide; Keratins; Oxidation-Reduction; Sheep; Spectrophotometry, Ultraviolet; Wool | 2012 |
A naphthalimide-based glyoxal hydrazone for selective fluorescence turn-on sensing of Cys and Hcy.
Topics: Cysteine; Fluorescent Dyes; Glyoxal; Homocysteine; Hydrazones; Isomerism; Molecular Structure; Naphthalimides; Tetrahymena | 2012 |
Low density lipoprotein S-homocysteinylation is increased in acute myocardial infarction patients.
Topics: Acute Coronary Syndrome; Aged; Apolipoproteins B; Biomarkers; Cardiovascular Diseases; Cysteine; Electrophoresis, Capillary; Female; Homocysteine; Humans; Italy; Lipoproteins, LDL; Male; Middle Aged; Myocardial Infarction; Risk Factors; Sulfhydryl Compounds | 2012 |
Detection of biothiols in cells by a terbium chelate-Hg (II) system.
Topics: Cell Line, Tumor; Coordination Complexes; Cysteine; Glutathione; Histocytochemistry; Homocysteine; Humans; Mercury Compounds; Molecular Probes; Sensitivity and Specificity; Spectrometry, Fluorescence; Sulfhydryl Compounds; Terbium; Urine | 2012 |
Content of total homocysteine and major aminothiols in rats with experimental renal ischemia.
Topics: Animals; Blood Pressure; Cysteine; Glutathione; Homocysteine; Hyperhomocysteinemia; Ischemia; Kidney; Male; Rats; Rats, Wistar; Renal Artery; Renal Artery Obstruction | 2011 |
Effects of methyl-deficient diets on methionine and homocysteine metabolism in the pregnant rat.
Topics: Animals; Choline; Cysteine; Diet; Female; Fetus; Folic Acid; Homocysteine; Kinetics; Litter Size; Liver; Methionine; Methylation; Pancreas; Phosphorylcholine; Placenta; Pregnancy; Rats; Triglycerides; Weight Gain | 2012 |
Polydimethylsiloxane permeability-based method for the continuous and specific detection of hydrogen sulfide.
Topics: Cystathionine gamma-Lyase; Cysteine; Dimethylpolysiloxanes; Homocysteine; Humans; Hydrogen Sulfide; Hydrogen-Ion Concentration; Limit of Detection; Membranes, Artificial; Nitric Oxide; Oxygen; Permeability; Reproducibility of Results; Time Factors | 2012 |
A fluorescein-based probe with high selectivity to cysteine over homocysteine and glutathione.
Topics: Animals; Cysteine; Fluorescein; Fluorescent Dyes; Glutathione; Homocysteine; Microscopy, Confocal; Molecular Structure; PC12 Cells; Rats | 2012 |
A ruthenium(II) complex with environment-responsive dual emission and its application in the detection of cysteine/homocysteine.
Topics: Coordination Complexes; Cysteine; Homocysteine; Magnetic Resonance Spectroscopy; Phenanthrolines; Quantum Theory; Ruthenium; Solvents; Spectrometry, Mass, Electrospray Ionization; Spectrophotometry | 2012 |
Does phase angle correlate with hyperhomocysteinemia? A study of patients with classical homocystinuria.
Topics: Adolescent; Adult; Cysteine; Female; Homocysteine; Homocystinuria; Humans; Hyperhomocysteinemia; Life Expectancy; Male; Methionine; Prognosis; Young Adult | 2013 |
A native-chemical-ligation-mechanism-based ratiometric fluorescent probe for aminothiols.
Topics: Animals; Cattle; Cysteine; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Hep G2 Cells; Homocysteine; Humans; Microscopy, Confocal | 2012 |
Homocysteinemia in mice with genetic betaine homocysteine S-methyltransferase deficiency is independent of dietary folate intake.
Topics: Animals; Betaine-Homocysteine S-Methyltransferase; Body Weight; Cysteine; Diet; Folic Acid; Gene Expression Regulation, Enzymologic; Homocysteine; Hyperhomocysteinemia; Liver; Mice; Mice, Knockout; Organ Size | 2012 |
Homocysteine and cysteine levels in prepubertal children: association with waist circumference and lipid profile.
Topics: Biomarkers; Brazil; Cardiovascular Diseases; Child; Cholesterol, HDL; Cholesterol, LDL; Cross-Sectional Studies; Cysteine; Female; Homocysteine; Humans; Lipids; Male; Multivariate Analysis; Obesity, Abdominal; Overweight; Prevalence; Risk Factors; Triglycerides; Waist Circumference | 2013 |
Smart poly(N-isopropylacrylamide) containing iridium(III) complexes as water-soluble phosphorescent probe for sensing and bioimaging of homocysteine and cysteine.
Topics: Acrylamides; Acrylic Resins; Cell Line, Tumor; Cell Survival; Coordination Complexes; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Hydrogel, Polyethylene Glycol Dimethacrylate; Iridium; Microscopy, Confocal; Polymers; Temperature; Water | 2013 |
New chemodosimetric reagents as ratiometric probes for cysteine and homocysteine and possible detection in living cells and in blood plasma.
Topics: Aldehydes; Algorithms; Chromatography, High Pressure Liquid; Cysteine; Drug Screening Assays, Antitumor; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Indicators and Reagents; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular | 2012 |
Both selenium deficiency and modest selenium supplementation lead to myocardial fibrosis in mice via effects on redox-methylation balance.
Topics: Animals; Cardiomyopathies; Cysteine; Diet; Dietary Supplements; DNA Methylation; Epigenomics; Fibrosis; Glutathione; Homocysteine; Isoprostanes; Male; Mice; Mice, Inbred C57BL; Myocardium; Oxidative Stress; Real-Time Polymerase Chain Reaction; Selenium; Selenoproteins | 2012 |
Detection of reaction intermediates during human cystathionine β-synthase-monitored turnover and H2S production.
Topics: Cystathionine beta-Synthase; Cysteine; Heme; Homocysteine; Humans; Hydrogen Sulfide; Kinetics; Serine | 2012 |
Reduced MTHFD1 activity in male mice perturbs folate- and choline-dependent one-carbon metabolism as well as transsulfuration.
Topics: Animals; Biomarkers; Choline; Cysteine; Disease Models, Animal; Folic Acid Deficiency; Heterozygote; Homocysteine; Isoenzymes; Liver; Male; Methionine; Methylation; Methylenetetrahydrofolate Dehydrogenase (NADP); Mice; Mice, Inbred C57BL; Mice, Mutant Strains; Mutagenesis, Insertional; Mutant Proteins; Random Allocation | 2013 |
Discriminatory detection of cysteine and homocysteine based on dialdehyde-functionalized aggregation-induced emission fluorophores.
Topics: Aldehydes; Buffers; Chemistry Techniques, Analytical; Cysteine; Dimethyl Sulfoxide; Fluorescent Dyes; Homocysteine; Humans; Isomerism; Spectrometry, Fluorescence | 2013 |
α-Substitution effects on the ease of S→N-acyl transfer in aminothioesters.
Topics: Cysteine; Homocysteine | 2013 |
Sensitive and selective detection of biothiols based on target-induced agglomeration of silver nanoclusters.
Topics: Biosensing Techniques; Cysteine; Fluorescence; Glutathione; Homocysteine; Humans; Metal Nanoparticles; Silver; Spectrometry, Fluorescence | 2013 |
Methodology for a rapid and simultaneous determination of total cysteine, homocysteine, cysteinylglycine and glutathione in plasma by isocratic RP-HPLC.
Topics: Adult; Chromatography, High Pressure Liquid; Chromatography, Reverse-Phase; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Linear Models; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity | 2012 |
Hepatic metabolism of sulfur amino acids in db/db mice.
Topics: Amino Acids, Sulfur; Animals; Betaine-Homocysteine S-Methyltransferase; Cysteine; Cysteine Dioxygenase; Diabetes Mellitus, Experimental; Dipeptides; Glutathione; Homocysteine; Ligases; Lipid Peroxidation; Liver; Methionine; Methionine Adenosyltransferase; Mice; Mice, Inbred C57BL; Putrescine; Receptors, Leptin; S-Adenosylmethionine; Spermidine; Taurine; Triglycerides; Up-Regulation | 2013 |
Paraoxonase 1 L55M, Q192R and paraoxonase 2 S311C alleles in atherothrombosis.
Topics: Alleles; Aryldialkylphosphatase; Cysteine; Female; Genetic Predisposition to Disease; Genotype; Glutathione; Homocysteine; Humans; Hypertension; Ischemic Attack, Transient; Lipid Peroxidation; Lipids; Male; Malondialdehyde; Middle Aged; Myocardial Infarction; Oxidative Stress; Polymorphism, Single Nucleotide; Risk Factors; Stroke; Thrombosis | 2013 |
Validation and clinical application of an UHPLC method for simultaneous analysis of total homocysteine and cysteine in human plasma.
Topics: Chromatography, High Pressure Liquid; Cysteine; Diabetes Mellitus, Type 2; Homocysteine; Humans; Hydrogen-Ion Concentration; Limit of Detection; Reproducibility of Results | 2012 |
Homocysteine levels in Takayasu arteritis -- a risk factor for arterial ischemic events.
Topics: Adult; Aryldialkylphosphatase; Cardiovascular Diseases; Cross-Sectional Studies; Cysteine; Female; Homocysteine; Humans; Middle Aged; Risk Factors; Takayasu Arteritis | 2013 |
Rational design of an "OFF-ON" phosphorescent chemodosimeter based on an iridium(III) complex and its application for time-resolved luminescent detection and bioimaging of cysteine and homocysteine.
Topics: Coordination Complexes; Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Iridium; Luminescent Measurements; Microscopy, Confocal; Quantum Theory | 2013 |
High-performance liquid chromatography assay of cysteine and homocysteine using fluorosurfactant-functionalized gold nanoparticles as postcolumn resonance light scattering reagents.
Topics: Chromatography, High Pressure Liquid; Cysteine; Equipment Design; Gold; Homocysteine; Humans; Indicators and Reagents; Light; Limit of Detection; Nanoparticles; Scattering, Radiation | 2013 |
A turn-on fluorescent sensor for the discrimination of cystein from homocystein and glutathione.
Topics: Cysteine; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2013 |
An in situ measurement of extracellular cysteamine, homocysteine, and cysteine concentrations in organotypic hippocampal slice cultures by integration of electroosmotic sampling and microfluidic analysis.
Topics: Animals; Animals, Newborn; Cysteamine; Cysteine; Electroosmosis; Extracellular Space; Hippocampus; Homocysteine; Microfluidic Analytical Techniques; Organ Culture Techniques; Rats; Rats, Sprague-Dawley | 2013 |
Transsulfuration pathway thiols and methylated arginines: the Hunter Community Study.
Topics: Adrenergic beta-Antagonists; Aged; Aged, 80 and over; Aging; Amidohydrolases; Arginine; Australia; C-Reactive Protein; Cardiovascular Diseases; Cohort Studies; Community Medicine; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Male; Middle Aged; Taurine | 2013 |
Colorimetric and luminescent dual-signaling responsive probing of thiols by a ruthenium(II)-azo complex.
Topics: Coordination Complexes; Cysteine; Electron Transport; Glutathione; Homocysteine; Limit of Detection; Luminescent Measurements; Molecular Probes; Ruthenium; Solutions | 2013 |
[Simultaneous determination of three aminothiols in human plasma by high performance liquid chromatography with gold nanoparticle enrichment].
Topics: Amino Acids, Sulfur; Chromatography, High Pressure Liquid; Cysteine; Glutathione; Gold; Homocysteine; Humans; Metal Nanoparticles; Polysorbates | 2012 |
Homocysteine, cysteine, and risk of incident colorectal cancer in the Women's Health Initiative observational cohort.
Topics: Aged; Case-Control Studies; Chromatography, High Pressure Liquid; Cohort Studies; Colonic Neoplasms; Cysteine; Ethnicity; Female; Homocysteine; Humans; Hyperhomocysteinemia; Middle Aged; Observation; Odds Ratio; Postmenopause; Rectal Neoplasms; Risk Factors | 2013 |
Pre-diagnostic leukocyte genomic DNA methylation and the risk of colorectal cancer in women.
Topics: Adenocarcinoma; Adult; Case-Control Studies; Colorectal Neoplasms; Cysteine; DNA Methylation; DNA, Neoplasm; Female; Health Surveys; Homocysteine; Humans; Leukocytes, Mononuclear; Logistic Models; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Odds Ratio; Polymorphism, Single Nucleotide; Pyridoxal Phosphate; Risk Factors | 2013 |
Characterization of homocysteine γ-lyase from submerged and solid cultures of Aspergillus fumigatus ASH (JX006238).
Topics: Aspergillus fumigatus; Biosensing Techniques; Culture Media; Cysteine; DNA, Fungal; DNA, Ribosomal; Electrophoresis, Polyacrylamide Gel; Enzyme Inhibitors; Enzyme Stability; Homocysteine; Hydrogen-Ion Concentration; Isoelectric Point; Kinetics; Lyases; Methionine; Molecular Sequence Data; Molecular Weight; Sequence Analysis, DNA; Substrate Specificity; Temperature | 2013 |
Glutathione metabolism in cobalamin deficiency type C (cblC).
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Carrier Proteins; Case-Control Studies; Child; Child, Preschool; Cysteine; Disease Progression; Female; Glutathione; Homocysteine; Homocystinuria; Humans; Infant; Lymphocytes; Male; Oxidation-Reduction; Oxidative Stress; Oxidoreductases; Oxygen; Reactive Oxygen Species; Vitamin B 12; Vitamin B 12 Deficiency | 2014 |
DNA methylation potential: dietary intake and blood concentrations of one-carbon metabolites and cofactors in rural African women.
Topics: Adolescent; Adult; Betaine; Biomarkers; Choline; Cysteine; Diet; Diet Records; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; DNA Methylation; Feeding Behavior; Female; Folic Acid; Gambia; Homocysteine; Humans; Linear Models; Methionine; Middle Aged; Nutrition Assessment; Prospective Studies; Riboflavin; Rural Population; S-Adenosylhomocysteine; S-Adenosylmethionine; Sarcosine; Vitamin B 12; Vitamin B 6; Young Adult | 2013 |
Serum thiols and cardiovascular risk scores: a combined assessment of transsulfuration pathway components and substrate/product ratios.
Topics: Aged; Biomarkers; Body Mass Index; C-Reactive Protein; Cardiovascular Diseases; Cysteine; Dipeptides; Female; Glomerular Filtration Rate; Glutathione; Homocysteine; Humans; Male; Middle Aged; Regression Analysis; Risk Assessment; Sulfhydryl Compounds; Sulfur; Taurine | 2013 |
Synthesis of 3,5-bis(acrylaldehyde) boron-dipyrromethene and application in detection of cysteine and homocysteine in living cells.
Topics: Aldehydes; Boron Compounds; Cell Survival; Cells; Cysteine; Hep G2 Cells; Homocysteine; Humans; Models, Molecular; Molecular Structure; Tumor Cells, Cultured | 2013 |
The effects of cocaine on different redox forms of cysteine and homocysteine, and on labile, reduced sulfur in the rat plasma following active versus passive drug injections.
Topics: Animals; Cocaine; Cysteine; Extinction, Psychological; Homocysteine; Male; Oxidation-Reduction; Rats; Rats, Wistar; Self Administration; Sulfur | 2013 |
Reliable cutoff selection for total plasma homocysteine levels in prepubertal children: re. Homocysteine and cysteine levels in prepubertal children: association with waist circumference and lipid profile.
Topics: Cysteine; Female; Homocysteine; Humans; Lipids; Male; Waist Circumference | 2014 |
Fluorescein aldehyde with disulfide functionality as a fluorescence turn-on probe for cysteine and homocysteine in HEPES buffer.
Topics: Aldehydes; Buffers; Cysteine; Disulfides; Fluorescein; Fluorescent Dyes; HEPES; Homocysteine; Molecular Structure | 2013 |
Is the oxidant/antioxidant status altered in CADASIL patients?
Topics: Adult; Antioxidants; CADASIL; Case-Control Studies; Cysteine; Dipeptides; Female; Glutathione; Homocysteine; Humans; Male; Middle Aged; Oxidants; Oxidation-Reduction; Oxidative Stress; Tyrosine | 2013 |
Highly fluorescent and specific molecular probing of (homo)cysteine or superoxide: biothiol detection confirmed in living neuronal cells.
Topics: Biosensing Techniques; Cysteine; Esters; Fluorescent Dyes; Glutathione; Homocysteine; Molecular Probes; Neurons; Spectrometry, Fluorescence; Sulfhydryl Compounds; Superoxides | 2013 |
A one-step selective fluorescence turn-on detection of cysteine and homocysteine based on a facile CdTe/CdS quantum dots-phenanthroline system.
Topics: Body Fluids; Cadmium Compounds; Cysteine; Homocysteine; Humans; Phenanthrolines; Quantum Dots; Spectrometry, Fluorescence; Sulfates; Tellurium | 2013 |
Early biochemical and hematological response to intramuscular cyanocobalamin therapy in vitamin B(12)-deficient patients.
Topics: Aged; Chromatography, High Pressure Liquid; Cysteine; Erythrocyte Indices; Female; Folic Acid; Homocysteine; Humans; Injections, Intramuscular; Male; Methionine; Methylmalonic Acid; Middle Aged; Statistics, Nonparametric; Vitamin B 12; Vitamin B 12 Deficiency | 2013 |
Assessment of plasma aminothiol levels and the association with recurrent atherothrombotic events in patients hospitalized for an acute coronary syndrome: a prospective study.
Topics: Acute Coronary Syndrome; Aged; Coronary Thrombosis; Cysteine; Female; Glutathione; Homocysteine; Hospitalization; Humans; Male; Middle Aged; Prognosis; Prospective Studies; Recurrence | 2013 |
The sphere-to-rod transition of squaraine-embedded micelles: a self-assembly platform displays a distinct response to cysteine and homocysteine.
Topics: Cetrimonium; Cetrimonium Compounds; Cyclobutanes; Cysteine; Homocysteine; Micelles; Phenols; Spectrometry, Fluorescence | 2013 |
Dyslipidemia in pediatric systemic lupus erythematosus: the relationship with disease activity and plasma homocysteine and cysteine concentrations.
Topics: Adolescent; Adrenal Cortex Hormones; Adult; Body Mass Index; C-Reactive Protein; Cardiovascular Diseases; Case-Control Studies; Child; Cholesterol, HDL; Cholesterol, LDL; Cross-Sectional Studies; Cysteine; Dyslipidemias; Energy Intake; Female; Folic Acid; Homocysteine; Humans; Lupus Erythematosus, Systemic; Multivariate Analysis; Nutritional Status; Puberty; Risk Factors; Triglycerides; Vitamin B 12; Waist Circumference; Young Adult | 2013 |
A highly sensitive near-infrared fluorescent probe for cysteine and homocysteine in living cells.
Topics: Benzothiazoles; Carbocyanines; Cyclization; Cysteine; Fluorescent Dyes; Glutathione; Hep G2 Cells; Homocysteine; Humans; Spectroscopy, Near-Infrared | 2013 |
Surface plasmon resonance additivity of gold nanoparticles for colorimetric identification of cysteine and homocysteine in biological fluids.
Topics: Colorimetry; Cysteine; Fluorides; Gold; Homocysteine; Humans; Limit of Detection; Metal Nanoparticles; Silver; Surface Plasmon Resonance; Surface-Active Agents | 2013 |
An iridium(III)-based lab-on-a-molecule for cysteine/homocysteine and tryptophan using triple-channel interrogation.
Topics: Chemistry Techniques, Analytical; Coordination Complexes; Cysteine; Homocysteine; Iridium; Lab-On-A-Chip Devices; Tryptophan | 2013 |
Lighting up cysteine and homocysteine in sequence based on the kinetic difference of the cyclization/addition reaction.
Topics: Cyclization; Cysteine; Fluorescence; Homocysteine; Kinetics | 2013 |
Plasma sulfur amino acids and stearoyl-CoA desaturase activity in two Caucasian populations.
Topics: Adipose Tissue; Aged; Aged, 80 and over; Amino Acids, Sulfur; Cohort Studies; Cross-Sectional Studies; Cystathionine; Cysteine; Diet; Dipeptides; Exercise; Fatty Acids; Female; Glutathione; Homocysteine; Humans; Male; Methionine; Middle Aged; S-Adenosylhomocysteine; S-Adenosylmethionine; Stearoyl-CoA Desaturase; Surveys and Questionnaires; White People | 2013 |
Fluorescent sensor based on BINOL for recognition of cysteine, homocysteine, and glutathione.
Topics: Copper; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Molecular Structure; Naphthols | 2013 |
Dietary protein and plasma total homocysteine, cysteine concentrations in coronary angiographic subjects.
Topics: Adult; Aged; Aged, 80 and over; Asian People; Cardiovascular Diseases; Chromatography, High Pressure Liquid; Coronary Angiography; Cross-Sectional Studies; Cysteine; Dietary Proteins; Female; Homocysteine; Humans; Hyperhomocysteinemia; Linear Models; Male; Middle Aged; Multivariate Analysis; Surveys and Questionnaires | 2013 |
Chromogenic sensing of biological thiols using squarylium dye.
Topics: Coloring Agents; Cysteine; Glutathione; Homocysteine; Sensitivity and Specificity; Spectrophotometry; Sulfhydryl Compounds | 2014 |
High homocysteine is associated with increased risk of colorectal cancer independently of oxidative stress and antioxidant capacities.
Topics: Adult; Aged; Antioxidants; Blood Pressure; Body Mass Index; Case-Control Studies; Colorectal Neoplasms; Creatinine; Cysteine; Female; Folic Acid; Glutathione Peroxidase; Glutathione Transferase; Healthy Volunteers; Homocysteine; Humans; Linear Models; Male; Middle Aged; Oxidative Stress; Pyridoxal Phosphate; Risk Factors; Serum Albumin; Superoxide Dismutase | 2014 |
Determination of cysteine, homocysteine, cystine, and homocystine in biological fluids by HPLC using fluorosurfactant-capped gold nanoparticles as postcolumn colorimetric reagents.
Topics: Chromatography, High Pressure Liquid; Cysteine; Cystine; Gold; Homocysteine; Homocystine; Humans; Nanoparticles | 2014 |
Native chemical ligation combined with spirocyclization of benzopyrylium dyes for the ratiometric and selective fluorescence detection of cysteine and homocysteine.
Topics: Animals; Benzopyrans; Cyclization; Cysteine; Fluorescent Dyes; HeLa Cells; Hep G2 Cells; Homocysteine; Humans; Kinetics; Rabbits; Spectrometry, Fluorescence; Spiro Compounds | 2014 |
A colorimetric indicator-displacement assay array for selective detection and identification of biological thiols.
Topics: Animals; Benzenesulfonates; Cattle; Cluster Analysis; Colorimetry; Cysteine; Glutathione; Homocysteine; Indicators and Reagents; Metals, Heavy; Phenols; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Sulfoxides | 2014 |
Homocysteine metabolism in children with idiopathic nephrotic syndrome.
Topics: Case-Control Studies; Child; Cholesterol; Cysteine; Demography; Female; Folic Acid; Homocysteine; Humans; Male; Nephrotic Syndrome; Proteinuria; Remission Induction; Serum Albumin; Vitamin B 12 | 2014 |
Fluorescent sensors for selective detection of thiols: expanding the intramolecular displacement based mechanism to new chromophores.
Topics: 4-Chloro-7-nitrobenzofurazan; Cell Line; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Indoles; Optical Imaging; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2014 |
Sensitivity evaluation of NBD-SCN towards cysteine/homocysteine and its bioimaging applications.
Topics: Animals; Biosensing Techniques; Cell Line; Cysteine; Fluorescent Dyes; Homocysteine; Limit of Detection; Macrophages; Mice; Microscopy, Confocal; Optical Imaging; Spectrometry, Fluorescence | 2014 |
Kidney donors and kidney transplants have abnormal aminothiol redox status, and are at increased risk of oxidative stress and reduced redox buffer capacity.
Topics: Buffers; Case-Control Studies; Cysteine; Demography; Dipeptides; Female; Homocysteine; Humans; Kidney Transplantation; Living Donors; Male; Middle Aged; Oxidation-Reduction; Oxidative Stress; Risk Factors; Sulfhydryl Compounds | 2014 |
Traceless chemical ligation from S-, O-, and N-acyl isopeptides.
Topics: Acylation; Biochemistry; Cysteine; Homocysteine; Peptides; Peptides, Cyclic; Serine; Solid-Phase Synthesis Techniques; Tryptophan; Tyrosine | 2014 |
Biomarkers of one-carbon metabolism are associated with biomarkers of inflammation in women.
Topics: Aged; Biomarkers; C-Reactive Protein; Carbon; Chronic Disease; Cross-Sectional Studies; Cysteine; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Inflammation; Linear Models; Middle Aged; Nutritional Status; Risk Factors; Serum Amyloid A Protein; Vitamin B 12; Vitamin B 6 | 2014 |
The species- and site-specific acid-base properties of biological thiols and their homodisulfides.
Topics: Cysteamine; Cysteine; Disulfides; Homocysteine; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Sulfhydryl Compounds | 2014 |
Yolk-shell upconversion nanocomposites for LRET sensing of cysteine/homocysteine.
Topics: Cell Line; Cysteine; Homocysteine; Humans; Luminescent Measurements; Nanocomposites | 2014 |
Tunable heptamethine-azo dye conjugate as an NIR fluorescent probe for the selective detection of mitochondrial glutathione over cysteine and homocysteine.
Topics: Azo Compounds; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Indoles; Microscopy, Confocal; Mitochondria; Optical Imaging; Spectrometry, Fluorescence | 2014 |
Taurine supplementation does not decrease homocysteine levels and liver injury induced by a choline-deficient diet.
Topics: Alanine Transaminase; Analysis of Variance; Animals; Choline Deficiency; Cysteine; Diet; Dietary Supplements; Gene Expression Regulation; Homocysteine; Liver; Malondialdehyde; Methionine; Rats; Taurine | 2014 |
Live cells imaging using a turn-on FRET-based BODIPY probe for biothiols.
Topics: Boron Compounds; Cysteine; Fluorescence Resonance Energy Transfer; HeLa Cells; Homocysteine; Humans; Microscopy, Fluorescence; Molecular Imaging; Reproducibility of Results; Sensitivity and Specificity; Sulfhydryl Compounds | 2014 |
Quantitation of sulfur-containing amino acids, homocysteine, methionine and cysteine in dried blood spot from newborn baby by HPLC-fluorescence detection.
Topics: Chromatography, High Pressure Liquid; Cysteine; Dried Blood Spot Testing; Female; Homocysteine; Homocystinuria; Humans; Infant, Newborn; Male; Methionine; Neonatal Screening | 2014 |
Simultaneous determination of glutathione, cysteine, homocysteine, and cysteinylglycine in biological fluids by ion-pairing high-performance liquid chromatography coupled with precolumn derivatization.
Topics: Adult; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Male; Saliva; Young Adult | 2014 |
The selective electrochemical detection of homocysteine in the presence of glutathione, cysteine, and ascorbic acid using carbon electrodes.
Topics: Ascorbic Acid; Carbon; Cysteine; Electrochemical Techniques; Electrodes; Glutathione; Homocysteine; Limit of Detection; Nanotubes, Carbon | 2014 |
The use of screen-printed electrodes in a proof of concept electrochemical estimation of homocysteine and glutathione in the presence of cysteine using catechol.
Topics: Catechols; Cysteine; Electrochemical Techniques; Electrodes; Glutathione; Homocysteine; Nanotechnology; Nanotubes, Carbon; Sulfhydryl Compounds | 2014 |
Differences in heterocycle basicity distinguish homocysteine from cysteine using aldehyde-bearing fluorophores.
Topics: Aldehydes; Alkalies; Cysteine; Fluorescent Dyes; Homocysteine; Hydrogen-Ion Concentration; Models, Molecular; Molecular Structure; Spectrometry, Fluorescence; Thiazolidines | 2014 |
Ratiometric measurement of hydrogen sulfide and cysteine/homocysteine ratios using a dual-fluorophore fragmentation strategy.
Topics: 4-Chloro-7-nitrobenzofurazan; Chemistry Techniques, Analytical; Coumarins; Cysteine; Fluorescent Dyes; Homocysteine; Hydrogen Sulfide; Hymecromone; Oxadiazoles; Oxidation-Reduction; Spectrometry, Fluorescence | 2014 |
Constructing a fluorescent probe for specific detection of cysteine over homocysteine and glutathione based on a novel cysteine-binding group but-3-yn-2-one.
Topics: Carcinoma, Renal Cell; Cell Line, Tumor; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Microscopy, Confocal; Optical Imaging; Spectrometry, Fluorescence | 2014 |
Genetic encoding of caged cysteine and caged homocysteine in bacterial and mammalian cells.
Topics: Cells, Cultured; Cysteine; Escherichia coli; Genetic Code; HEK293 Cells; Homocysteine; Humans; Luciferases, Renilla; Models, Molecular; Molecular Structure | 2014 |
Highly selective fluorescence off-on probes for biothiols and imaging in live cells.
Topics: Benzothiazoles; Chemistry, Organic; Cysteine; Fluoresceins; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Ions; Magnetic Resonance Spectroscopy; Oxidants; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2014 |
Development of a small molecule probe capable of discriminating cysteine, homocysteine, and glutathione with three distinct turn-on fluorescent outputs.
Topics: Biosensing Techniques; Boron Compounds; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2014 |
Highly sensitive and selective colorimetric detection of glutathione based on Ag [I] ion-3,3',5,5'-tetramethylbenzidine (TMB).
Topics: Benzidines; Biosensing Techniques; Colorimetry; Cysteine; Glutathione; Gold; Homocysteine; Limit of Detection; Metal Nanoparticles; Nanostructures; Silver | 2015 |
Homocysteine, cysteine, folate and vitamin B₁₂ status in type 2 diabetic patients with chronic kidney disease.
Topics: Aged; Aged, 80 and over; Biomarkers; Chromatography, High Pressure Liquid; Cysteine; Diabetes Mellitus, Type 2; Disease Progression; Female; Folic Acid; Homocysteine; Humans; Male; Renal Insufficiency, Chronic; Vitamin B 12 | 2015 |
Plasmonic nanoparticle-film calipers for rapid and ultrasensitive dimensional and refractometric detection.
Topics: Biosensing Techniques; Chemistry Techniques, Analytical; Cysteine; Discriminant Analysis; Glutathione; Homocysteine; Nanoparticles; Refractometry | 2014 |
Central and systemic responses to methionine-induced hyperhomocysteinemia in mice.
Topics: Animals; Behavior, Animal; Brain; Brain-Derived Neurotrophic Factor; Cysteine; Dose-Response Relationship, Drug; Drug Administration Schedule; Glutathione; Homocysteine; Hyperhomocysteinemia; Male; Methionine; Mice; Motor Activity; Recognition, Psychology; Time Factors | 2014 |
Vitamin B-6 restriction reduces the production of hydrogen sulfide and its biomarkers by the transsulfuration pathway in cultured human hepatoma cells.
Topics: Alanine; Biomarkers; Carcinoma, Hepatocellular; Cysteine; Hep G2 Cells; Homocysteine; Humans; Hydrogen Sulfide; Linear Models; Liver Neoplasms; Pyridoxal Phosphate; Sulfides; Vitamin B 6; Vitamin B 6 Deficiency | 2014 |
A new BODIPY-based long-wavelength fluorescent probe for chromatographic analysis of low-molecular-weight thiols.
Topics: Acetylcysteine; Animals; Boron Compounds; Chromatography, High Pressure Liquid; Chromatography, Reverse-Phase; Cysteine; Dipeptides; Fluorescent Dyes; Glutathione; Homocysteine; Iodoacetamide; Limit of Detection; Male; Mice; Penicillamine; Sulfhydryl Compounds | 2014 |
Close relationship between redox state of human serum albumin and serum cysteine levels in non-diabetic CKD patients with various degrees of renal function.
Topics: Adult; Aged; Case-Control Studies; Chromatography, High Pressure Liquid; Cysteine; Female; Glomerular Filtration Rate; Homocysteine; Humans; Male; Middle Aged; Oxidation-Reduction; Renal Insufficiency, Chronic; Risk Factors; Serum Albumin | 2014 |
Multi-channel colorimetric and fluorescent probes for differentiating between cysteine and glutathione/homocysteine.
Topics: Cell Line; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; Optical Imaging; Spectrometry, Fluorescence | 2014 |
Two-photon fluorescent probe derived from naphthalimide for cysteine detection and imaging in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Magnetic Resonance Spectroscopy; Maleimides; Models, Chemical; Molecular Probe Techniques; Naphthalimides; Photons; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds | 2015 |
Rapid and ratiometric fluorescent detection of cysteine with high selectivity and sensitivity by a simple and readily available probe.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Kinetics; Molecular Probe Techniques; Spectrometry, Fluorescence | 2014 |
Involvement of the yciW gene in l-cysteine and l-methionine metabolism in Escherichia coli.
Topics: Bridged Bicyclo Compounds; Cysteine; Escherichia coli; Homocysteine; Methionine; Regulon; Sulfur; Tandem Mass Spectrometry | 2015 |
A fluorescence turn-on probe for cysteine and homocysteine based on thiol-triggered benzothiazolidine ring formation.
Topics: Animals; Cell Line; Cysteine; Fluorescent Dyes; Homocysteine; Limit of Detection; Mice; Microscopy, Fluorescence; Optical Imaging; Spectrometry, Fluorescence; Sulfhydryl Compounds; Thiazolidines | 2014 |
Time- and concentration-dependent reactivity of Cys, Hcy, and GSH on the Diels-Alder-grafted 1,3,5-tris conjugate of calix[6]arene to bring selectivity for Cys: spectroscopy, microscopy, and its reactivity in cells.
Topics: Calixarenes; Cycloaddition Reaction; Cysteine; Glutathione; HeLa Cells; Homocysteine; Humans; Magnetic Resonance Spectroscopy; Microscopy; Microscopy, Fluorescence; Norbornanes; Phenols | 2014 |
Influence of oak wood polyphenols on cysteine, homocysteine and glutathione total levels and PON1 activities in human adult volunteers - a pilot study.
Topics: Adult; Aged; Antioxidants; Aryldialkylphosphatase; Chromatography, High Pressure Liquid; Cysteine; Female; Glutathione; Homocysteine; Humans; Hydrolyzable Tannins; Lactones; Male; Middle Aged; Oxidative Stress; Pilot Projects; Plant Extracts; Polyphenols; Quercus; Sulfhydryl Compounds; Wood | 2015 |
Plasma levels of homocysteine and cysteine increased in pediatric NAFLD and strongly correlated with severity of liver damage.
Topics: Child; Cysteine; Dipeptides; Glutathione; Homocysteine; Humans; Liver; Male; Non-alcoholic Fatty Liver Disease | 2014 |
Constructing a FRET-based molecular chemodosimeter for cysteine over homocysteine and glutathione by naphthalimide and phenazine derivatives.
Topics: Cysteine; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Molecular Structure; Naphthalimides; Phenazines | 2015 |
Ratiometric fluorescence detection of cysteine and homocysteine with a BODIPY dye by mimicking the native chemical ligation.
Topics: Animals; Boron Compounds; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; Homocysteine; Microscopy, Confocal; Sulfhydryl Compounds; Zebrafish | 2015 |
Onsite naked eye determination of cysteine and homocysteine using quencher displacement-induced fluorescence recovery of the dual-emission hybrid probes with desired intensity ratio.
Topics: Biosensing Techniques; Cadmium Compounds; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Limit of Detection; Point-of-Care Systems; Quantum Dots; Spectrometry, Fluorescence; Tellurium | 2015 |
Preparation of CuO/ZnO nanocomposite and its application as a cysteine/homocysteine colorimetric and fluorescence detector.
Topics: Colorimetry; Copper; Cysteine; Fluorescence; Homocysteine; Nanocomposites; Zinc Oxide | 2014 |
Enzymatic and non-enzymatic mechanisms of dimesna metabolism.
Topics: Animals; Cell Line; Cysteine; Female; Glutathione; Homocysteine; Humans; Kidney; Liver; Mesna; Mice; Oxidation-Reduction | 2015 |
Cyclodextrin supramolecular inclusion-enhanced pyrene excimer switching for time-resolved fluorescence detection of biothiols in serum.
Topics: Biosensing Techniques; Cyclodextrins; Cysteine; DNA Probes; Fluorescence; Glutathione; Homocysteine; Humans; Limit of Detection; Pyrenes | 2015 |
Construction of a selective fluorescent probe for GSH based on a chloro-functionalized coumarin-enone dye platform.
Topics: Cell Line, Tumor; Chlorides; Coumarins; Cysteine; Electron Transport; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Microscopy, Fluorescence; Spectrometry, Fluorescence | 2015 |
Label-free colorimetric detection of biothiols utilizing SAM and unmodified Au nanoparticles.
Topics: Biosensing Techniques; Colorimetry; Cysteine; Glutathione; Gold; Homocysteine; Humans; Limit of Detection; Metal Nanoparticles; Methionine | 2015 |
Dual emission channels for sensitive discrimination of Cys/Hcy and GSH in plasma and cells.
Topics: Boron Compounds; Cell Line, Tumor; Cell Survival; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans | 2015 |
BODIPY-based fluorometric sensor for the simultaneous determination of Cys, Hcy, and GSH in human serum.
Topics: Biosensing Techniques; Blood Chemical Analysis; Boron Compounds; Complex Mixtures; Cysteine; Equipment Design; Equipment Failure Analysis; Fluorometry; Glutathione; Homocysteine; Reproducibility of Results; Sensitivity and Specificity | 2015 |
Effect of cerebral ischemia on redox status of plasma aminothiols.
Topics: Animals; Brain Ischemia; Cerebrovascular Circulation; Cysteine; Glutathione; Homocysteine; Male; Oxidation-Reduction; Oxidative Stress; Rats; Regression Analysis; Risk Factors; Sulfhydryl Compounds | 2015 |
An aryl-thioether substituted nitrobenzothiadiazole probe for the selective detection of cysteine and homocysteine.
Topics: Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Sulfides | 2015 |
Thiolated alkyl-modified carbomers: Novel excipients for mucoadhesive emulsions.
Topics: Acrylic Resins; Adhesiveness; Aniline Compounds; Animals; Caco-2 Cells; Cysteine; Emulsions; Excipients; Homocysteine; Humans; Mouth Mucosa; Sulfhydryl Compounds; Swine | 2015 |
A colorimetric and ratiometric fluorescent probe for selective detection and cellular imaging of glutathione.
Topics: Colorimetry; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Microscopy, Fluorescence; Optical Imaging; Spectrometry, Fluorescence | 2015 |
[Betaine-enriched beet suppresses hyperhomocysteinemia induced by choline deficiency in rats].
Topics: Amino Acids; Animals; Beta vulgaris; Betaine; Betaine-Homocysteine S-Methyltransferase; Choline; Choline Deficiency; Cysteine; Diet; Dietary Supplements; Homocysteine; Hyperhomocysteinemia; Liver; Methionine; Rats; Rats, Wistar | 2015 |
Coumarin-Based Turn-On Fluorescence Probe for Specific Detection of Glutathione over Cysteine and Homocysteine.
Topics: Coumarins; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Optical Imaging | 2015 |
Sulfur amino acid metabolism in Zucker diabetic fatty rats.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adenosylhomocysteinase; Animals; Area Under Curve; Betaine; Betaine-Homocysteine S-Methyltransferase; Cysteine; Dipeptides; Gene Expression Regulation; Glutamate-Cysteine Ligase; Glutathione; Homocysteine; Liver; Male; Methionine; Methylenetetrahydrofolate Reductase (NADPH2); Rats; Rats, Zucker; S-Adenosylhomocysteine; S-Adenosylmethionine; Spermidine; Spermine; Taurine | 2015 |
A Protein Extract from Chicken Reduces Plasma Homocysteine in Rats.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Betaine; Betaine-Homocysteine S-Methyltransferase; Caseins; Chickens; Choline; Cystathionine gamma-Lyase; Cysteine; Dietary Proteins; Folic Acid; Glycine; Homocysteine; Liver; Male; Meat; Methionine; Rats; Rats, Wistar; Riboflavin; RNA, Messenger; Sarcosine; Serine; Vitamin B 12; Vitamin B 6 | 2015 |
[Effects of dietary wheat gluten level on decreasing plasma homocysteine concentration in rats].
Topics: Amino Acids; Animals; Caseins; Cysteine; Diet; Dietary Proteins; Glutens; Homocysteine; Liver; Methionine; Proteins; Rats; Rats, Wistar; Threonine; Triticum | 2015 |
Abnormal transsulfuration metabolism and reduced antioxidant capacity in Chinese children with autism spectrum disorders.
Topics: Antioxidants; Asian People; Autism Spectrum Disorder; Case-Control Studies; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cysteine; Female; Glutathione; Homocysteine; Humans; Male; Metabolic Diseases; Severity of Illness Index; Statistics as Topic; Statistics, Nonparametric | 2015 |
Two-dimensional high performance liquid chromatography for determination of homocysteine, methionine and cysteine enantiomers in human serum.
Topics: Adult; Case-Control Studies; Chromatography, High Pressure Liquid; Cysteine; Female; Homocysteine; Humans; Limit of Detection; Male; Methionine; Multiple Sclerosis; Signal-To-Noise Ratio; Stereoisomerism; Young Adult | 2015 |
Species-Specific Thiol-Disulfide Equilibrium Constant: A Tool To Characterize Redox Transitions of Biological Importance.
Topics: Algorithms; Cysteamine; Cysteine; Disulfides; Glutathione; Homocysteine; Hydrogen-Ion Concentration; Models, Biological; Models, Chemical; Oxidation-Reduction; Proton Magnetic Resonance Spectroscopy; Protons; Reference Values; Solutions; Sulfhydryl Compounds | 2015 |
A New Turn on Fluorescent Probe for Selective Detection of Cysteine/Homocysteine.
Topics: Cysteine; Fluorescent Dyes; Homocysteine; Hydrogen Bonding; Hydrogen-Ion Concentration; Isomerism; Spectrometry, Fluorescence | 2015 |
L-Cysteine/D,L-homocysteine-regulated ileum motility via system L and B°(,+) transporter: Modification by inhibitors of hydrogen sulfide synthesis and dietary treatments.
Topics: Amino Acid Transport System y+L; Amino Acid Transport Systems, Neutral; Amino Acids, Cyclic; Animals; Cysteine; Diet; Eating; Electric Stimulation; Fasting; Gastrointestinal Motility; Homocysteine; Hydrogen Sulfide; Ileum; In Vitro Techniques; Male; Mice; PC12 Cells; Postprandial Period; Rats; Time Factors | 2015 |
Highly selective two-photon imaging of cysteine in cancerous cells and tissues.
Topics: Animals; Cell Line, Tumor; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Hep G2 Cells; Homocysteine; Humans; Mice; Microscopy, Fluorescence, Multiphoton; Neoplasms; Optical Imaging; Spectrometry, Fluorescence | 2015 |
Dysregulated Hepatic Methionine Metabolism Drives Homocysteine Elevation in Diet-Induced Nonalcoholic Fatty Liver Disease.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Acyl Coenzyme A; Adenosylhomocysteinase; Animals; B-Lymphocytes; Betaine-Homocysteine S-Methyltransferase; Blood Chemical Analysis; Cystathionine beta-Synthase; Cysteine; Diet, High-Fat; Dipeptides; DNA Methylation; Female; Glutathione; Glycine N-Methyltransferase; Homocysteine; Liver; Metabolic Networks and Pathways; Metabolome; Methionine; Methionine Adenosyltransferase; Mice; Mice, Inbred C57BL; Non-alcoholic Fatty Liver Disease; Random Allocation | 2015 |
Betaine is as effective as folate at re-synthesizing methionine for protein synthesis during moderate methionine deficiency in piglets.
Topics: Animals; Betaine; Carbon Isotopes; Choline; Cysteine; Diet; Dietary Supplements; Folic Acid; Homocysteine; Methionine; Models, Biological; Oxidation-Reduction; Phenylalanine; Protein Biosynthesis; Swine | 2016 |
Capillary electrophoresis coupled with 1,1'-thiocarbonyldiimidazole derivatization for the rapid detection of total homocysteine and cysteine in human plasma.
Topics: Centrifugation; Chromatography, High Pressure Liquid; Cysteine; Electrophoresis, Capillary; Homocysteine; Humans; Imidazoles; Spectrophotometry, Ultraviolet | 2015 |
NADPH oxidase 4 regulates homocysteine metabolism and protects against acetaminophen-induced liver damage in mice.
Topics: Acetaminophen; Analgesics, Non-Narcotic; Animals; Betaine; Blotting, Western; Cells, Cultured; Cysteine; Female; Glutathione; Hep G2 Cells; Homocysteine; Humans; Immunoenzyme Techniques; Liver; Liver Diseases; Methionine; Mice; Mice, Knockout; NADPH Oxidase 4; NADPH Oxidases; Reactive Oxygen Species; S-Adenosylmethionine | 2015 |
Selective Fluorescence Detection of Cysteine over Homocysteine and Glutathione Based on a Cysteine-Triggered Dual Michael Addition/Retro-aza-aldol Cascade Reaction.
Topics: Aldehydes; Cell Survival; Cysteine; Dose-Response Relationship, Drug; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Molecular Structure; Stereoisomerism; Structure-Activity Relationship; Tumor Cells, Cultured | 2015 |
Benzothiazole-Pyimidine-Based BF2 Complex for Selective Detection of Cysteine.
Topics: Benzothiazoles; Biosensing Techniques; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Microscopy, Confocal; Molecular Structure; Pyrimidines | 2016 |
A simple excited-state intramolecular proton transfer probe based on a new strategy of thiol-azide reaction for the selective sensing of cysteine and glutathione.
Topics: Azides; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Optical Imaging; Protons; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2016 |
A sensitive and selective sensor for biothiols based on the turn-on fluorescence of the Fe-MIL-88 metal-organic frameworks-hydrogen peroxide system.
Topics: Amino Acids; Biosensing Techniques; Chemistry Techniques, Analytical; Cysteine; Fluorescence; Glutathione; Homocysteine; Humans; Hydrogen Peroxide; Iron; Limit of Detection; Lysergic Acid Diethylamide; Organometallic Compounds; Sulfhydryl Compounds; X-Ray Absorption Spectroscopy | 2015 |
A colorimetric, ratiometric and water-soluble fluorescent probe for simultaneously sensing glutathione and cysteine/homocysteine.
Topics: Colorimetry; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Hydrogen-Ion Concentration; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet | 2015 |
A fluorescent probe for relay recognition of homocysteine and Group IIIA ions including Ga(III).
Topics: Cysteine; Fluorescent Dyes; Gallium; Glutathione; Homocysteine; Ions; Naphthalenes; Spectrometry, Fluorescence | 2016 |
N- and S-homocysteinylation reduce the binding of human serum albumin to catechins.
Topics: Aminoacylation; Catechin; Cysteine; Electrophoresis, Capillary; Homocysteine; Humans; Hyperhomocysteinemia; Kinetics; Ligands; Lysine; Protein Processing, Post-Translational; Serum Albumin; Serum Albumin, Human | 2017 |
A flavone-based turn-on fluorescent probe for intracellular cysteine/homocysteine sensing with high selectivity.
Topics: Chemistry Techniques, Analytical; Cyclization; Cysteine; Electron Transport; Flavones; Fluorescent Dyes; Homocysteine; Humans; Intracellular Space; Light; MCF-7 Cells; Optical Imaging; Spectrometry, Fluorescence | 2016 |
CO and CN- syntheses by [FeFe]-hydrogenase maturase HydG are catalytically differentiated events.
Topics: Carbon Monoxide; Catalysis; Catalytic Domain; Cyanides; Cysteine; Desulfovibrio desulfuricans; Homocysteine; Hydrogenase; Iron-Sulfur Proteins; Ligands; Protein Structure, Secondary; S-Adenosylmethionine; Tyrosine | 2016 |
Quantification of homocysteine and cysteine by derivatization with pyridoxal 5'-phosphate and hydrophilic interaction liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Cysteine; Homocysteine; Humans; Hydrophobic and Hydrophilic Interactions; Limit of Detection; Pyridoxal Phosphate; Reproducibility of Results | 2016 |
An aldehyde group-based P-acid probe for selective fluorescence turn-on sensing of cysteine and homocysteine.
Topics: Aldehydes; Biosensing Techniques; Cysteine; Fluorescence; Homocysteine; Humans; Limit of Detection | 2016 |
Development of a reliable method based on ultra-performance liquid chromatography coupled to tandem mass spectrometry to measure thiol-associated oxidative stress in whole blood samples.
Topics: Animals; Animals, Newborn; Antioxidants; Chromatography, High Pressure Liquid; Cysteine; Glutathione; Glutathione Disulfide; Homocysteine; Limit of Detection; Oxidation-Reduction; Oxidative Stress; Sulfhydryl Compounds; Swine; Tandem Mass Spectrometry | 2016 |
Broadly Applicable Strategy for the Fluorescence Based Detection and Differentiation of Glutathione and Cysteine/Homocysteine: Demonstration in Vitro and in Vivo.
Topics: 4-Chloro-7-nitrobenzofurazan; Boron Compounds; Coumarins; Cysteine; Flavones; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Microscopy, Confocal; Optical Imaging; Titrimetry | 2016 |
The association of single nucleotide polymorphisms of the maternal cystathionine-β-synthase gene with early-onset preeclampsia.
Topics: Adult; Biomarkers; Blood Pressure; Case-Control Studies; Cystathionine; Cystathionine beta-Synthase; Cysteine; Female; Gene Frequency; Genetic Association Studies; Genetic Predisposition to Disease; Gestational Age; Homocysteine; Humans; Phenotype; Polymorphism, Single Nucleotide; Pre-Eclampsia; Pregnancy; Protective Factors; Risk Factors | 2016 |
A fluorescent probe for simultaneous discrimination of GSH and Cys/Hcy in human serum samples via distinctly-separated emissions with independent excitations.
Topics: Benzoxazoles; Biosensing Techniques; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2016 |
A potential fluorescent probe: Maillard reaction product from glutathione and ascorbic acid for rapid and label-free dual detection of Hg(2+) and biothiols.
Topics: Ascorbic Acid; Biosensing Techniques; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; Maillard Reaction; Mercury; Spectrometry, Fluorescence; Water; Water Pollutants, Chemical | 2016 |
Rhodol-based far-red fluorescent probe for the detection of cysteine and homocysteine over glutathione.
Topics: Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; Homocysteine; Xanthones | 2017 |
A colorimetric and fluorescent probe for detecting intracellular biothiols.
Topics: Animals; Cattle; Chickens; Colorimetry; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Goats; HeLa Cells; Homocysteine; Horses; Humans; Mice; Optical Imaging; Sheep; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2016 |
A fluorescence enhancement probe based on BODIPY for the discrimination of cysteine from homocysteine and glutathione.
Topics: Animals; Biosensing Techniques; Boron Compounds; Cell Line; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Kidney; Microscopy, Fluorescence; Optical Imaging; Spectrometry, Fluorescence; Swine | 2016 |
A new fluorescence turn-on probe for biothiols based on photoinduced electron transfer and its application in living cells.
Topics: Cysteine; Electron Transport; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Microscopy, Fluorescence; Models, Molecular; Optical Imaging; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2016 |
Graphitic carbon nitride nanodots: As reductant for the synthesis of silver nanoparticles and its biothiols biosensing application.
Topics: Biosensing Techniques; Cysteine; Glutathione; Graphite; Homocysteine; Humans; Limit of Detection; Metal Nanoparticles; Nitriles; Oxidation-Reduction; Reducing Agents; Silver | 2017 |
Rational Design of an Ultrasensitive and Highly Selective Chemodosimeter by a Dual Quenching Mechanism for Cysteine Based on a Facile Michael-Transcyclization Cascade Reaction.
Topics: Click Chemistry; Cyclization; Cysteine; Electron Transport; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Maleimides; Microscopy, Fluorescence; Quantum Theory; Spectrometry, Fluorescence | 2016 |
A Sensitive Ratiometric Long-Wavelength Fluorescent Probe for Selective Determination of Cysteine/Homocysteine.
Topics: Animals; Cattle; Coumarins; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Limit of Detection; Serum Albumin, Bovine | 2016 |
Physiologically relevant plasma d,l-homocysteine concentrations mobilize Cd from human serum albumin.
Topics: Cadmium; Chromatography, High Pressure Liquid; Cysteine; Homocysteine; Humans; Protein Binding; Serum Albumin | 2016 |
Control of Clostridium difficile Physiopathology in Response to Cysteine Availability.
Topics: Amino Acids; Animals; Bacterial Toxins; Cell Line; Chlorocebus aethiops; Clostridioides difficile; Cysteine; Energy Metabolism; Enterocolitis, Pseudomembranous; Gene Expression Regulation, Bacterial; Homocysteine; Hydrogen Sulfide; Intracellular Space; Metabolic Networks and Pathways; Pyruvic Acid; Vero Cells | 2016 |
Plasma-aminothiols status and inverse correlation of total homocysteine with B-vitamins in arsenic exposed population of West Bengal, India.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Arsenic; Bangladesh; Calibration; Case-Control Studies; Chromatography, High Pressure Liquid; Creatinine; Cysteine; Dipeptides; Drinking Water; Environmental Exposure; Environmental Health; Female; Folic Acid; Glutathione; Homocysteine; Humans; India; Male; Malnutrition; Middle Aged; Nutritional Status; Socioeconomic Factors; Vitamin B 12; Vitamin B Complex; Young Adult | 2016 |
Simultaneous assessment of endogenous thiol compounds by LC-MS/MS.
Topics: Acetylcysteine; Animals; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Glutathione; Homocysteine; Limit of Detection; Liver; Male; Mice; Reproducibility of Results; Sulfhydryl Compounds; Tandem Mass Spectrometry | 2016 |
A Simple and Effective Ratiometric Fluorescent Probe for the Selective Detection of Cysteine and Homocysteine in Aqueous Media.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Kinetics; Molecular Probe Techniques; Spectrometry, Fluorescence; Thiazoles | 2016 |
A near-infrared fluorescent probe based on chloroacetate modified naphthofluorescein for selectively detecting cysteine/homocysteine and its application in living cells.
Topics: Blood Chemical Analysis; Cells, Cultured; Chloroacetates; Cysteine; Fluoresceins; Fluorescent Dyes; Homocysteine; Humans; Spectrometry, Fluorescence | 2016 |
A dual-site fluorescent probe for direct and highly selective detection of cysteine and its application in living cells.
Topics: Acrylates; Biosensing Techniques; Cell Line, Tumor; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Microscopy, Fluorescence; Optical Imaging; Spectrometry, Fluorescence | 2017 |
A fluorescent probe for the efficient discrimination of Cys, Hcy and GSH based on different cascade reactions.
Topics: Biosensing Techniques; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Nitriles | 2017 |
Selective and Sensitive Monitoring of Cerebral Antioxidants Based on the Dye-Labeled DNA/Polydopamine Conjugates.
Topics: Animals; Antioxidants; Ascorbic Acid; Brain Ischemia; Cerebral Cortex; Cysteine; DNA; Fluorescent Dyes; Glutathione; Homocysteine; Indoles; Polymers; Rats; Spectrometry, Fluorescence | 2016 |
pH-Dependent Fluorescent Probe That Can Be Tuned for Cysteine or Homocysteine.
Topics: Biosensing Techniques; Cell Tracking; Coumarins; Cyclization; Cysteine; Fluorescent Dyes; Hep G2 Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Kinetics; Solutions; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2017 |
Highly sensitive detection of cysteine over glutathione and homo-cysteine: New insight into the Michael addition of mercapto group to maleimide.
Topics: Animals; Biosensing Techniques; Cattle; Cell Line; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Limit of Detection; Maleimides; Mice; Models, Molecular; Optical Imaging; Serum Albumin, Bovine; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2017 |
A disrupted transsulphuration pathway results in accumulation of redox metabolites and induction of gametocytogenesis in malaria.
Topics: Animals; Culture Media; Cystathionine; Cysteine; Disease Models, Animal; Erythrocytes; Glutathione; Homocysteine; Humans; Malaria; Mass Spectrometry; Metabolic Networks and Pathways; Mice; Oxidation-Reduction; Plasmodium falciparum; Protozoan Proteins; Sulfur; Transcription Factors; Transcriptional Activation | 2017 |
Persulfide Formation Mediates Cysteine and Homocysteine Biosynthesis in Methanosarcina acetivorans.
Topics: Amino Acid Sequence; Amino Acyl-tRNA Synthetases; Biocatalysis; Cysteine; Homocysteine; Methanosarcina; Peptides; Sulfides | 2017 |
Mitochondria Targeted and Intracellular Biothiol Triggered Hyperpolarized
Topics: Biosensing Techniques; Cell Line, Tumor; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; Magnetic Resonance Spectroscopy; Magnetics; Microscopy, Fluorescence; Mitochondria; Thioredoxins; Xenon Isotopes | 2017 |
Combinatorial Strategy to Identify Fluorescent Probes for Biothiol and Thiophenol Based on Diversified Pyrimidine Moieties and Their Biological Applications.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Hep G2 Cells; Homocysteine; Humans; Mice; Microscopy, Fluorescence; Optical Imaging; Phenols; Pyrimidines; Sulfhydryl Compounds | 2017 |
Development of a Novel Lysosome-Targeted Ruthenium(II) Complex for Phosphorescence/Time-Gated Luminescence Assay of Biothiols.
Topics: Animals; Coordination Complexes; Cysteine; Daphnia; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Lysosomes; Microscopy, Confocal; Optical Imaging; Rhodamines; Ruthenium; Spectrometry, Fluorescence | 2017 |
Ratios of One-Carbon Metabolites Are Functional Markers of B-Vitamin Status in a Norwegian Coronary Angiography Screening Cohort.
Topics: Adult; Aged; Aged, 80 and over; Angina Pectoris; Biomarkers; Carbon; Creatinine; Cross-Sectional Studies; Cystathionine beta-Synthase; Cysteine; Female; Genetic Variation; Homocysteine; Humans; Male; Metabolic Networks and Pathways; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Norway; Nutritional Status; Vitamin B 12; Vitamin B Complex; Young Adult | 2017 |
Engineering and Characterization of an Enzyme Replacement Therapy for Classical Homocystinuria.
Topics: Amino Acid Sequence; Animals; Cross-Linking Reagents; Cystathionine beta-Synthase; Cysteine; Delayed-Action Preparations; Disease Models, Animal; Enzyme Replacement Therapy; Homocysteine; Homocystinuria; Humans; Maleimides; Mice; Polyethylene Glycols; Succinimides | 2017 |
An aza-BODIPY based near-infrared fluorescent probe for sensitive discrimination of cysteine/homocysteine and glutathione in living cells.
Topics: Aza Compounds; Boron Compounds; Cell Survival; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Infrared Rays; Nitrobenzenes; Optical Imaging; Oxadiazoles; Spectrometry, Fluorescence | 2017 |
Fluorescent coumarin-based probe for cysteine and homocysteine with live cell application.
Topics: Animals; Coumarins; Cysteine; Cytological Techniques; Fluorescent Dyes; Homocysteine; Mice; Microscopy, Confocal; RAW 264.7 Cells | 2017 |
Dual-Emission Channels for Simultaneous Sensing of Cysteine and Homocysteine in Living Cells.
Topics: Biosensing Techniques; Coumarins; Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Molecular Structure | 2017 |
Methionine metabolism and multiple sclerosis.
Topics: Adult; Arginine; Biomarkers; Chromatography, High Pressure Liquid; Cysteine; Electrochemical Techniques; Female; Glutathione; Homocysteine; Humans; Male; Methionine; Middle Aged; Multiple Sclerosis | 2017 |
Capillary electrophoresis coupled with chloroform-acetonitrile extraction for rapid and highly selective determination of cysteine and homocysteine levels in human blood plasma and urine.
Topics: Acetonitriles; Adolescent; Adult; Aged; Aged, 80 and over; Chloroform; Cysteine; Electrophoresis, Capillary; Female; Homocysteine; Humans; Limit of Detection; Liquid-Liquid Extraction; Middle Aged; Sensitivity and Specificity; Young Adult | 2017 |
Serum allantoin and aminothiols as biomarkers of chronic heart failure.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Allantoin; Biomarkers; Case-Control Studies; Chronic Disease; Cysteine; Female; Glutathione; Heart Failure; Homocysteine; Humans; Male; Middle Aged; Oxidative Stress; Uric Acid; Young Adult | 2017 |
Developmental changes in the levels and redox potentials of main hemolymph thiols/disulfides in the Jamaican field cricket Gryllus assimilis.
Topics: Animals; Cysteine; Disulfides; Glutathione; Glutathione Disulfide; Gryllidae; Hemolymph; Homocysteine; Nymph; Oxidation-Reduction; Sulfhydryl Compounds | 2017 |
Biogenesis of Hydrogen Sulfide and Thioethers by Cystathionine Beta-Synthase.
Topics: Alanine; Animals; Biomarkers; Catalysis; Cystathionine beta-Synthase; Cysteine; Haplorhini; Homocysteine; Hydrogen Sulfide; Kinetics; Mice; Mice, Knockout; Serine; Sulfides; Sulfur | 2018 |
Negative modulation of the GABA
Topics: Animals; Binding, Competitive; Chlorides; Cysteine; Cystine; Dose-Response Relationship, Drug; Ethylmaleimide; GABA-A Receptor Antagonists; gamma-Aminobutyric Acid; Homocysteine; Humans; Ion Transport; Oocytes; Patch-Clamp Techniques; Receptors, GABA-A; Recombinant Proteins; RNA, Complementary; Xenopus laevis | 2018 |
Serum Homocysteine and Cysteine Levels and Anthropometric Changes: A Longitudinal Study among Brazilian Children and Adolescents.
Topics: Adolescent; Anthropometry; Body Mass Index; Brazil; Child; Cysteine; Female; Homocysteine; Humans; Longitudinal Studies; Male; Waist Circumference | 2018 |
SULPHUR-CONTAINING AMINO ACIDS METABOLISM IN EXPERIMENTAL HYPER- AND HYPOTHYROIDISM IN RATS.
Topics: Adenosylhomocysteinase; Amino Acids, Sulfur; Animals; Betaine-Homocysteine S-Methyltransferase; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Homocysteine; Hydrogen Sulfide; Hyperthyroidism; Hypothyroidism; Kidney; Liver; Male; Methionine Adenosyltransferase; Methylation; Rats; Transaminases | 2017 |
A novel NBD-based fluorescent turn-on probe for the detection of cysteine and homocysteine in living cells.
Topics: Cell Death; Cell Line, Tumor; Cell Survival; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Hydrogen-Ion Concentration; Oxadiazoles; Spectrometry, Fluorescence; Time Factors | 2018 |
A mitochondria-targeted ratiometric two-photon fluorescent probe for detecting intracellular cysteine and homocysteine.
Topics: Cysteine; Fluorescent Dyes; Homocysteine; Humans; MCF-7 Cells; Microscopy, Fluorescence; Mitochondria; Photons | 2018 |
Effects of high ambient temperature on plasma metabolomic profiles in chicks.
Topics: Amino Acids, Sulfur; Animals; Chickens; Cystathionine; Cysteine; Cystine; Environmental Exposure; Gas Chromatography-Mass Spectrometry; Homocysteine; Hot Temperature; Kynurenine; Molecular Weight; Niacinamide; Oxidative Stress; Quinolinic Acid; Taurine; Tryptophan | 2018 |
Dietary supplementation with cysteine prevents adverse metabolic outcomes of repeated cures with paracetamol in old rats.
Topics: Acetaminophen; Alanine Transaminase; Animals; Aspartate Aminotransferases; Chemical and Drug Induced Liver Injury; Cysteine; Dietary Supplements; Glutathione; Homocysteine; Liver; Male; Muscle, Skeletal; Rats; Rats, Wistar; Sarcopenia | 2017 |
Oncogenic PI3K promotes methionine dependency in breast cancer cells through the cystine-glutamate antiporter xCT.
Topics: Amino Acid Transport System y+; Breast Neoplasms; Carcinogenesis; Cell Line; Cell Proliferation; Class I Phosphatidylinositol 3-Kinases; Cysteine; Cystine; Female; Gene Expression; Glutamic Acid; Homocysteine; Humans; Mammary Glands, Human; MCF-7 Cells; Methionine; Mutation | 2017 |
Crystal structure of cystathionine β-synthase from honeybee Apis mellifera.
Topics: Amino Acid Sequence; Animals; Bees; Crystallography, X-Ray; Cystathionine beta-Synthase; Cysteine; Homocysteine; Humans; Insect Proteins; Models, Molecular; Protein Conformation; Protein Multimerization; S-Adenosylmethionine; Sequence Homology, Amino Acid; Substrate Specificity | 2018 |
An ortho-aldehyde modified probe to image thiols in living cells with enhanced selectivity.
Topics: Aldehydes; Buffers; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen Sulfide; Hydroxyquinolines; Optical Imaging | 2018 |
Aldehyde-functionalized metal-organic frameworks for selective sensing of homocysteine over Cys, GSH and other natural amino acids.
Topics: Aldehydes; Amino Acids; Cysteine; Glutathione; Homocysteine; Metal-Organic Frameworks; Models, Molecular; Molecular Structure | 2018 |
In vitro evaluation of dietary compounds to reduce mercury bioavailability.
Topics: Animals; Biological Availability; Biological Transport; Caco-2 Cells; Cysteine; Dietary Supplements; Glutathione; Homocysteine; Humans; Intestinal Absorption; Intestinal Mucosa; Mercury; Methylmercury Compounds; Perciformes; Quercetin; Seafood | 2018 |
Two 3-hydroxyflavone derivatives as two-photon fluorescence turn-on chemosensors for cysteine and homocysteine in living cells.
Topics: Animals; Cysteine; Flavonoids; Fluorescent Dyes; Homocysteine; Microscopy, Fluorescence, Multiphoton; Reproducibility of Results; Spectrometry, Fluorescence; Zebrafish | 2018 |
A Multi-signal Fluorescent Probe with Multiple Binding Sites for Simultaneous Sensing of Cysteine, Homocysteine, and Glutathione.
Topics: Binding Sites; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Optical Imaging | 2018 |
Quantitative and comparative liquid chromatography-electrospray ionization-mass spectrometry analyses of hydrogen sulfide and thiol metabolites derivaitized with 2-iodoacetanilide isotopologues.
Topics: Acetanilides; Carbon Isotopes; Chromatography, High Pressure Liquid; Cysteine; Glutathione; Hep G2 Cells; Homocysteine; Humans; Hydrogen Sulfide; Isotope Labeling; Spectrometry, Mass, Electrospray Ionization; Sulfhydryl Compounds | 2018 |
Molecular Vise Approach to Create Metal-Binding Sites in MOFs and Detection of Biomarkers.
Topics: Binding Sites; Biomarkers; Carboxylic Acids; Cysteine; Fluorescence; Glutathione; Homocysteine; Humans; Metal-Organic Frameworks; Metals; Models, Molecular | 2018 |
Detection and differentiation of Cys, Hcy and GSH mixtures by
Topics: Biosensing Techniques; Cysteine; Fluorescent Dyes; Fluorine; Glutathione; Homocysteine; Humans; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular | 2018 |
Long-wavelength TCF-based fluorescence probes for the detection and intracellular imaging of biological thiols.
Topics: Cisplatin; Cysteine; Fluorescence; Fluorescent Dyes; Furans; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen Peroxide; Molecular Imaging; Nitriles | 2018 |
Hydroxyapatite nanoparticle based fluorometric determination and imaging of cysteine and homocysteine in living cells.
Topics: Biosensing Techniques; Cysteine; Durapatite; Fluorometry; HeLa Cells; Homocysteine; Humans; Limit of Detection; Nanoparticles | 2018 |
Quinoline-derived fluorescent probes for the discrimination of Cys from Hcys/GSH and bioimaging in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Kinetics; Molecular Structure; Optical Imaging; Quinolines; Tumor Cells, Cultured | 2018 |
One-carbon metabolite ratios as functional B-vitamin markers and in relation to colorectal cancer risk.
Topics: Betaine; Biomarkers, Tumor; Carbon; Case-Control Studies; Colorectal Neoplasms; Creatinine; Cysteine; Female; Folic Acid; Homocysteine; Humans; Male; Middle Aged; Nutritional Status; Pyridoxal Phosphate; Riboflavin; Vitamin B 12; Vitamin B Complex | 2019 |
A near-infrared fluorescent probe for direct and selective detection of cysteine over homocysteine and glutathione.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Imaging, Three-Dimensional; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Spectroscopy, Near-Infrared; Time Factors | 2018 |
BODIPY-based turn-on fluorescent probes for cysteine and homocysteine.
Topics: Boron Compounds; Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Spectrometry, Fluorescence; Time Factors | 2018 |
The effects of L-cysteine and N-acetyl-L-cysteine on homocysteine metabolism and haemostatic markers, and on cardiac and aortic histology in subchronically methionine-treated Wistar male rats.
Topics: Acetylcysteine; Animals; Aorta; Biomarkers; Cysteine; Heart; Hemostatics; Homocysteine; Male; Methionine; Rats; Rats, Wistar | 2019 |
Simultaneous determination of total homocysteine, cysteine, glutathione, and N-acetylcysteine in brain homogenates by HPLC.
Topics: Acetylcysteine; Animals; Brain; Chromatography, High Pressure Liquid; Cysteine; Glutathione; Homocysteine; Swine | 2018 |
Serum homocysteine and cysteine levels and changes in the lipid profile of children and adolescents over a 12-month follow-up period.
Topics: Adolescent; Body Mass Index; Body Weight; Child; Cholesterol, HDL; Cholesterol, LDL; Cysteine; Diet; Female; Follow-Up Studies; Homocysteine; Humans; Life Style; Male; Sample Size; Socioeconomic Factors; Surveys and Questionnaires; Triglycerides | 2017 |
Fluorescent chemodosimeter for quantification of cystathionine-γ-synthase activity in plant extracts and imaging of endogenous biothiols.
Topics: Animals; Benzoxazines; Carbon-Oxygen Lyases; Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Kinetics; Limit of Detection; Microscopy, Confocal; Microscopy, Fluorescence; Nicotiana; Plant Extracts; Zebrafish | 2018 |
A dual-response fluorescent probe for the discrimination of cysteine from glutathione and homocysteine.
Topics: Boron Compounds; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Linear Models; Microscopy, Confocal; Molecular Imaging; Sensitivity and Specificity | 2019 |
Metoprolol and Nebivolol Prevent the Decline of the Redox Status of Low-Molecular-Weight Aminothiols in Blood Plasma of Rats During Acute Cerebral Ischemia.
Topics: Acute Disease; Adrenergic beta-1 Receptor Antagonists; Animals; Brain Ischemia; Cerebrovascular Circulation; Cysteine; Disease Models, Animal; Glutathione; Hippocampus; Homocysteine; Male; Metoprolol; Molecular Weight; Nebivolol; Neuroprotective Agents; Oxidation-Reduction; Rats | 2018 |
A Fluorescent Cy7-Mercaptopyridine for the Selective Detection of Glutathione over Homocysteine and Cysteine.
Topics: Carbocyanines; Cell Line, Tumor; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Pyridines | 2018 |
NIR two-photon fluorescent probe for biothiol detection and imaging of living cells in vivo.
Topics: Boron Compounds; Carbazoles; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; MCF-7 Cells; Microscopy, Confocal; Microscopy, Fluorescence; Oxadiazoles; Photons | 2018 |
Chromatographic determination and in-situ cell imaging of thiol compounds based on a fluorigenic probe.
Topics: Boron Compounds; Chromatography, High Pressure Liquid; Cysteine; Electrophoresis, Capillary; Fluorescence; Fluorescent Dyes; Glutathione; Hep G2 Cells; Homocysteine; Humans; Limit of Detection; Optical Imaging; Sulfhydryl Compounds | 2018 |
A ratiometric fluorescent BODIPY-based probe for rapid and highly sensitive detection of cysteine in human plasma.
Topics: Boron Compounds; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Hydrogen-Ion Concentration; Limit of Detection; Molecular Structure; Spectrometry, Fluorescence | 2018 |
A novel fluorescent probe with red emission and a large Stokes shift for selective imaging of endogenous cysteine in living cells.
Topics: Acrylates; Cyclization; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Hydrogen-Ion Concentration; Limit of Detection; MCF-7 Cells; Microscopy, Confocal; Naphthalenes | 2018 |
An enhanced fluorescence sensor for specific detection Cys over Hcy/GSH and its bioimaging in living cells.
Topics: Biosensing Techniques; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Molecular Imaging | 2019 |
Ultra-high performance hydrophilic interaction liquid chromatography - Triple quadrupole tandem mass spectrometry method for determination of cysteine, homocysteine, cysteinyl-glycine and glutathione in rat plasma.
Topics: Animals; Chemical Fractionation; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Disease Models, Animal; Glutathione; Homocysteine; Humans; Hydrophobic and Hydrophilic Interactions; Maleimides; Rats; Rats, Inbred SHR; Rats, Transgenic; Sensitivity and Specificity; Tandem Mass Spectrometry; tau Proteins; Tauopathies | 2019 |
Colorimetric and NIR Fluorescence Probe with Multiple Binding Sites for Distinguishing Detection of Cys/Hcy and GSH in Vivo.
Topics: Animals; Binding Sites; Colorimetry; Cysteine; Fluorescent Dyes; Glutathione; Hep G2 Cells; Homocysteine; Humans; Infrared Rays; Limit of Detection; Mice; Optical Imaging | 2019 |
Simple and Novel Assay of the Host-Guest Complexation of Homocysteine with Cucurbit[7]uril.
Topics: Antibodies, Monoclonal; Biological Assay; Bridged-Ring Compounds; Cystathionine gamma-Lyase; Cysteine; Dithionitrobenzoic Acid; Epitopes; Homocysteine; Humans; Imidazoles; Models, Molecular; Molecular Structure; Sulfhydryl Reagents | 2019 |
Simultaneous Discrimination of Cysteine, Homocysteine, Glutathione, and H
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen Sulfide; Molecular Structure; Optical Imaging; Signal Transduction | 2019 |
A colorimetric and near-infrared fluorescent probe for cysteine and homocysteine detection.
Topics: Colorimetry; Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence; Spectroscopy, Near-Infrared | 2019 |
Ratiometric fluorescent probe based on ESIPT for the highly selective detection of cysteine in living cells.
Topics: Cell Survival; Cyclization; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen-Ion Concentration; Limit of Detection; Optical Imaging; Protons; Time Factors; Water | 2019 |
Single microbead-based fluorescence "turn on" detection of biothiols by flow cytometry.
Topics: A549 Cells; Cell Survival; Cysteine; Flow Cytometry; Fluorescence; Fluorescent Dyes; Glutathione; Gold; Homocysteine; Humans; Metal Nanoparticles; Microspheres; Polystyrenes; Quantum Dots | 2019 |
A series of BODIPY-based probes for the detection of cysteine and homocysteine in living cells.
Topics: Boron Compounds; Cysteine; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2019 |
Potassium triiodide-quenched gold nanocluster as a fluorescent turn-on probe for sensing cysteine/homocysteine in human serum.
Topics: Cysteine; Fluorescent Dyes; Gold; Homocysteine; Humans; Iodides; Limit of Detection; Metal Nanoparticles; Reagent Strips; Spectrometry, Fluorescence | 2019 |
A long-wavelength-emitting fluorescent probe for simultaneous discrimination of H
Topics: 4-Chloro-7-nitrobenzofurazan; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; MCF-7 Cells; Oxazines | 2019 |
A red-emitting fluorescent probe with large Stokes shift for real-time tracking of cysteine over glutathione and homocysteine in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Microscopy, Fluorescence | 2019 |
Expression and activity of hydrogen sulfide generating enzymes in murine macrophages stimulated with lipopolysaccharide and interferon-γ.
Topics: Animals; Cell Line; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; Homocysteine; Hydrogen Sulfide; Interferon-gamma; Lipopolysaccharides; Macrophages; Mice; Mice, Inbred BALB C; Sulfurtransferases | 2019 |
Hydrolysis of homocysteine thiolactone results in the formation of Protein-Cys-S-S-homocysteinylation.
Topics: Cysteine; Homocysteine; Humans; Hydrolysis; Protein Binding; Serum Albumin, Human; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry | 2019 |
Elevated plasma homocysteine and cysteine are associated with endothelial dysfunction across menopausal stages in healthy women.
Topics: Adult; Aged; Brachial Artery; Cysteine; Diet; Endothelium, Vascular; Estradiol; Female; Homocysteine; Humans; Menopause; Middle Aged; Nutritional Status; Postmenopause; Vascular Diseases; Women's Health; Young Adult | 2019 |
A colorimetric and fluorescent chemosensor based on diarylethene for simultaneous detection and discrimination of biothiols.
Topics: Chemistry Techniques, Synthetic; Colorimetry; Cysteine; Ethylenes; Fluorescent Dyes; Glutathione; Homocysteine; Spectrometry, Fluorescence | 2019 |
Metal organic framework MIL-53(Fe) as an efficient artificial oxidase for colorimetric detection of cellular biothiols.
Topics: Benzidines; Cell Line; Colorimetry; Cysteine; Glutathione; Homocysteine; Humans; Metal-Organic Frameworks | 2019 |
Water-soluble AIE-Active Fluorescent Organic Nanoparticles: Design, Preparation and Application for Specific Detection of Cysteine over Homocysteine and Glutathione in Living Cells.
Topics: Cysteine; Dimerization; Fluorescent Dyes; Glutathione; Hep G2 Cells; Homocysteine; Humans; Microscopy, Confocal; Nanoparticles; Optical Imaging; Solubility; Spectrometry, Fluorescence; Stilbenes; Water | 2019 |
Fluorescent probe for sensitive discrimination of Hcy and Cys/GSH in living cells via dual-emission.
Topics: 4-Chloro-7-nitrobenzofurazan; Aminophenols; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Microscopy, Confocal; Microscopy, Fluorescence | 2019 |
Label-free gold nanorods sensor array for colorimetric detection and discrimination of biothiols in human urine samples.
Topics: Acetylcysteine; Colorimetry; Cysteamine; Cysteine; Glutathione; Gold; Homocysteine; Humans; Nanotubes; Principal Component Analysis; Sulfhydryl Compounds | 2019 |
A turn-on fluorescence probe for cysteine/homocysteine based on the nucleophilic-induced rearrangement of benzothiazole thioether.
Topics: Benzothiazoles; Cell Line, Tumor; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Microscopy, Fluorescence; Optical Imaging; Spectrometry, Fluorescence; Sulfides | 2019 |
Dehydroascorbic acid S-Thiolation of peptides and proteins: Role of homocysteine and glutathione.
Topics: Antioxidants; Catalytic Domain; Cysteine; Dehydroascorbic Acid; Dimerization; Disulfides; Glutaredoxins; Glutathione; Hemoglobins; Homocysteine; Humans; Oxidation-Reduction; Oxidative Stress; Peptides; Sulfhydryl Compounds | 2019 |
Simultaneous quantification of multiple endogenous biothiols in cancer cells based on a multi-signal fluorescent probe.
Topics: Benzothiazoles; Cell Line, Tumor; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Least-Squares Analysis; Limit of Detection; Models, Chemical; Principal Component Analysis; Spectrometry, Fluorescence | 2019 |
Modulating an in situ fluorogenic reaction for the label-free ratiometric detection of biothiols.
Topics: Cadmium Compounds; Cysteine; Dopamine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; Quantum Dots; Resorcinols; Spectrometry, Fluorescence; Tellurium | 2019 |
Novel fluorescent probe with a bridged Si-O-Si bond for the reversible detection of hypochlorous acid and biothiol amino acids in live cells and zebrafish.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hypochlorous Acid; Limit of Detection; Mice; Microscopy, Confocal; Microscopy, Fluorescence; Molecular Structure; Naphthalimides; Oxidation-Reduction; RAW 264.7 Cells; Zebrafish | 2019 |
Simultaneous single-molecule discrimination of cysteine and homocysteine with a protein nanopore.
Topics: Bacterial Toxins; Chromatography, High Pressure Liquid; Cysteine; Homocysteine; Mutagenesis, Site-Directed; Nanopores; Poly A; Pore Forming Cytotoxic Proteins; Spectrometry, Mass, Electrospray Ionization | 2019 |
Enhancing the peroxidase-like activity of ficin by rational blocking thiol groups for colorimetric detection of biothiols.
Topics: Benzidines; Chromogenic Compounds; Colorimetry; Cysteine; Ethylmaleimide; Ficain; Glutathione; Homocysteine; Humans; Hydrogen Peroxide; Indicators and Reagents; Kinetics; Limit of Detection; Peroxidases; Phosphines | 2019 |
A 7-Hydroxybenzoxazinone-Containing Fluorescence Turn-On Probe for Biothiols and Its Bioimaging Applications.
Topics: Benzoxazines; Biosensing Techniques; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Optical Imaging | 2019 |
Highly selective isomer fluorescent probes for distinguishing homo-/cysteine from glutathione based on AIE.
Topics: Cell Line, Tumor; Cysteine; Density Functional Theory; Fluorescence; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Maleimides; Microscopy, Fluorescence; Models, Chemical; Stilbenes | 2020 |
Turn-on fluorescent assay for antioxidants based on their inhibiting polymerization of dopamine on graphene quantum dots.
Topics: Antioxidants; Ascorbic Acid; Brain Chemistry; Cysteine; Dopamine; Feasibility Studies; Fluorescence; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Glutathione; Graphite; Homocysteine; Indoles; Limit of Detection; Microdialysis; Polymerization; Polymers; Quantum Dots | 2020 |
Blockade of the trans-sulfuration pathway in acute pancreatitis due to nitration of cystathionine β-synthase.
Topics: Animals; Ceruletide; Cystathionine; Cystathionine beta-Synthase; Cysteine; Disease Models, Animal; Glutathione; Homocysteine; Male; Mice; Nitric Oxide Synthase Type II; Pancreatitis; S-Adenosylmethionine; Up-Regulation | 2020 |
A dual-emission fluorescent probe for discriminating cysteine from homocysteine and glutathione in living cells and zebrafish models.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Imidazoles; Microscopy, Confocal; Models, Animal; Molecular Structure; Optical Imaging; Oxadiazoles; Zebrafish | 2019 |
Benzoxazine-based fluorescent probes with different auxochrome groups for cysteine detection.
Topics: Benzoxazines; Biosensing Techniques; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Magnetic Resonance Spectroscopy; Molecular Imaging; Single-Cell Analysis; Spectrometry, Fluorescence | 2020 |
Red emissive boron and nitrogen co-doped "on-off-on" carbon dots for detecting and imaging of mercury(II) and biothiols.
Topics: Boron; Carbon; Color; Cysteine; Drinking Water; Fluorescent Dyes; Glutathione; Hep G2 Cells; Homocysteine; Humans; Lakes; Limit of Detection; Mercury; Microscopy, Confocal; Microscopy, Fluorescence; Nitrogen; Quantum Dots; Spectrometry, Fluorescence; Water Pollutants, Chemical | 2019 |
A novel highly sensitive fluorescent probe for bioimaging biothiols and its applications in distinguishing cancer cells from normal cells.
Topics: 4-Chloro-7-nitrobenzofurazan; Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Human Umbilical Vein Endothelial Cells; Humans; Limit of Detection; Mice; Microscopy, Confocal; Microscopy, Fluorescence; Naphthalimides; Neoplasms; Optical Imaging; RAW 264.7 Cells; Zebrafish | 2019 |
pH-Dependent photoluminescence "switch-on" nanosensors composed of silver nanoparticles and nitrogen and sulphur co-doped carbon dots for discriminative detection of biothiols.
Topics: Carbon; Cysteine; Glutathione; Homocysteine; Humans; Hydrogen-Ion Concentration; Limit of Detection; Luminescence; Luminescent Measurements; Metal Nanoparticles; Nitrogen; Quantum Dots; Silver; Sulfur | 2019 |
Light-driven visualization of endogenous cysteine, homocysteine, and glutathione using a near-infrared fluorescent probe.
Topics: Cell Line, Tumor; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Infrared Rays; Light; Molecular Imaging; Sulfhydryl Compounds | 2019 |
A GSH Fluorescent Probe with a Large Stokes Shift and Its Application in Living Cells.
Topics: Cell Line, Tumor; Cell Survival; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; Microscopy, Confocal | 2019 |
Nanomolar detection of biothiols via turn-ON fluorescent indicator displacement.
Topics: Animals; Boron Compounds; Cell Line; Cysteine; Fluorescent Dyes; Glutathione; Gold; Homocysteine; Humans; Limit of Detection; Metal Nanoparticles; Mice; Microscopy, Fluorescence; Spectrometry, Fluorescence | 2020 |
A Simplified Method for Simultaneous Determination of α-Lipoic Acid and Low-Molecular-Mass Thiols in Human Plasma.
Topics: Adult; Cysteine; Dipeptides; Disulfides; Female; Glutathione; Homocysteine; Humans; Male; Middle Aged; Molecular Weight; Oxidation-Reduction; Plasma; Pyridinium Compounds; Sulfhydryl Compounds; Thioctic Acid | 2020 |
A near-infrared phosphorescent iridium(iii) complex for fast and time-resolved detection of cysteine and homocysteine.
Topics: Animals; Coordination Complexes; Cysteine; Density Functional Theory; Homocysteine; Humans; Iridium; Luminescent Agents; Luminescent Measurements; MCF-7 Cells; Mice; Microscopy, Confocal; Models, Chemical; Rhodamines; Zebrafish | 2020 |
Higher Levels of Low Molecular Weight Sulfur Compounds and Homocysteine Thiolactone in the Urine of Autistic Children.
Topics: Adolescent; Autistic Disorder; Child; Child, Preschool; Cysteine; Dipeptides; Female; Homocysteine; Humans; Male; Molecular Weight; Sulfur Compounds | 2020 |
A Water-soluble Near-infrared Fluorescent Probe for Cysteine/Homocysteine and Its Application in Live Cells and Mice.
Topics: Animals; Cell Line; Cell Survival; Cysteine; Fluorescent Dyes; Homocysteine; Infrared Rays; Mice; Optical Imaging; Solubility; Water | 2020 |
An anthraquinone-imidazole-based colorimetric and fluorescent sensor for the sequential detection of Ag
Topics: Anthraquinones; Benzimidazoles; Cell Line, Tumor; Colorimetry; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Limit of Detection; Microscopy, Fluorescence; Silver; Sulfhydryl Compounds | 2020 |
L-cystine-linked BODIPY-adsorbed monolayer MoS
Topics: Boron Compounds; Cysteine; Cystine; Disulfides; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Molybdenum; Quantum Dots; Spectrometry, Fluorescence | 2020 |
Two-photon background-free fluorescence assay for glutathione over cysteine and homocysteine in vitro and vivo.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Molecular Structure; Optical Imaging; Photons; Spectrometry, Fluorescence | 2020 |
Synthesis and application of benzoxazole derivative-based fluorescent probes for naked eye recognition.
Topics: Benzoxazoles; Biosensing Techniques; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine | 2020 |
Deep eutectic solvent-assisted facile synthesis of copper hydroxide nitrate nanosheets as recyclable enzyme-mimicking colorimetric sensor of biothiols.
Topics: Biomimetic Materials; Colorimetry; Copper; Cysteine; Glutathione; Homocysteine; Humans; Hydroxides; Nanostructures; Nanotechnology; Nitrates; Oxidoreductases; Solvents | 2020 |
Analysis of Plasma Hydrogen Sulfide, Homocysteine, and L-Cysteine in Open-Angle Glaucoma Patients.
Topics: Adult; Aged; Area Under Curve; Case-Control Studies; China; Cysteine; Fasting; Female; Glaucoma; Glaucoma, Open-Angle; Homocysteine; Humans; Hydrogen Sulfide; Low Tension Glaucoma; Male; Middle Aged; Ocular Hypertension | 2020 |
Cysteine is a better predictor of coronary artery disease than conventional homocysteine in high-risk subjects under preventive medication.
Topics: Adult; Aged; Biomarkers; Coronary Angiography; Coronary Artery Disease; Coronary Stenosis; Cysteine; Female; Homocysteine; Humans; Hyperhomocysteinemia; Male; Middle Aged; Portugal; Predictive Value of Tests; Prevalence; Primary Prevention; Prognosis; Retrospective Studies; Risk Assessment; Risk Factors; Secondary Prevention; Severity of Illness Index | 2020 |
Carbon dots for lysosome targeting and imaging of lysosomal pH and Cys/Hcy in living cells.
Topics: Carbon; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Hydrogen-Ion Concentration; Lysosomes; Spectrometry, Fluorescence | 2020 |
A vinyl sulfone clicked carbon dot-engineered microfluidic paper-based analytical device for fluorometric determination of biothiols.
Topics: Carbon; Click Chemistry; Cysteine; Glutathione; Homocysteine; Humans; Lab-On-A-Chip Devices; Microfluidic Analytical Techniques; Paper; Quantum Dots; Spectrometry, Fluorescence; Sulfones | 2020 |
Mutual correlation evaluation of Cys and Hcy in serum through reaction activity regulated fluorescence quantification.
Topics: Coumarins; Cysteine; Fluorescence; Fluorescent Dyes; Homocysteine; Humans; Spectrometry, Fluorescence | 2020 |
Mitochondria-Immobilized Unimolecular Fluorescent Probe for Multiplexing Imaging of Living Cancer Cells.
Topics: Cell Line, Tumor; Coumarins; Cysteine; Fluorescent Dyes; Homocysteine; Humans; Hypochlorous Acid; Imidazoles; Limit of Detection; Membrane Potential, Mitochondrial; Microscopy, Confocal; Microscopy, Fluorescence; Mitochondria; Mitochondrial Permeability Transition Pore; Rhodamines | 2020 |
A fluorescein-gold nanoparticles probe based on inner filter effect and aggregation for sensing of biothiols.
Topics: Cysteine; Fluorescein; Glutathione; Gold; Homocysteine; Humans; Hydrogen-Ion Concentration; Limit of Detection; Metal Nanoparticles; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2020 |
A TAT peptide-based ratiometric two-photon fluorescent probe for detecting biothiols and sequentially distinguishing GSH in mitochondria.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Mitochondria; Photons | 2020 |
Novel cascade reaction-based fluorescent cyanine chemosensor for cysteine detection and bioimaging in living system.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Mice; Mice, Inbred BALB C; Spectrometry, Fluorescence | 2020 |
A simple highly selective probe for discriminative visualization of endogenous cysteine, homocysteine and glutathione in living cells via three separated fluorescence channels.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Spectrometry, Fluorescence | 2020 |
Cystathionine β-synthase is involved in cysteine biosynthesis and H
Topics: Biocatalysis; Cystathionine; Cystathionine beta-Synthase; Cystathionine gamma-Lyase; Cysteine; DNA, Complementary; Genes, Protozoan; Heme; Homocysteine; Hydrogen Sulfide; Kinetics; Serine; Toxoplasma | 2020 |
A curcumin-analogous fluorescent sensor for cysteine detection with a bilateral-response click-like mechanism.
Topics: Curcumin; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans | 2021 |
High peroxidase-mimicking activity of gold@platinum bimetallic nanoparticle-supported molybdenum disulfide nanohybrids for the selective colorimetric analysis of cysteine.
Topics: Biomimetic Materials; Colorimetry; Cysteine; Disulfides; Glutathione; Gold; Homocysteine; Hydrogen Peroxide; Metal Nanoparticles; Molybdenum; Nanocomposites; Peroxidases; Platinum | 2020 |
[Aminothiols in blood plasma at different subtypes of ischemic stroke].
Topics: Aged; Atherosclerosis; Brain Ischemia; Cysteine; Glutathione; Homocysteine; Humans; Middle Aged; Oxidation-Reduction; Stroke | 2020 |
Characterization of a novel styrylbenzimidazolium-based dye and its application in the detection of biothiols.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2021 |
An Ir(III) complex capable of discriminating homocysteine from cysteine and glutathione with luminescent signal and imaging studies.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Luminescence | 2021 |
A novel supramolecule-based fluorescence turn-on and ratiometric sensor for highly selective detection of glutathione over cystein and homocystein.
Topics: Benzothiazoles; beta-Cyclodextrins; Biosensing Techniques; Copper; Cysteine; Homocysteine; Spectrometry, Fluorescence | 2020 |
A cerium-based fluorescent nanosensor for highly specific detection of glutathione over cysteine and homocysteine.
Topics: Cerium; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Nanotechnology; Spectrometry, Fluorescence | 2021 |
A novel NIR fluorescence probe with cysteine-activated structure for specific detection of cysteine and its application in vitro and in vivo.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Limit of Detection; Mice | 2021 |
A two-photon multi-emissive fluorescent probe for discrimination of Cys and Hcy/GSH via an aromatic substitution-rearrangement.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Spectrometry, Fluorescence | 2021 |
An endoplasmic reticulum-targeting fluorescent probe for discriminatory detection of Cys, Hcy and GSH in living cells.
Topics: Cysteine; Endoplasmic Reticulum; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans | 2021 |
A Turn-on Fluorescent Probe for the Discrimination of Cys/Hcy and GSH With Dual Emission Signals.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Molecular Structure; Spectrometry, Fluorescence | 2021 |
Simultaneous determination of DL-cysteine, DL-homocysteine, and glutathione in saliva and urine by UHPLC-Q-Orbitrap HRMS: Application to studies of oxidative stress.
Topics: Chromatography, High Pressure Liquid; Cysteine; Glutathione; Homocysteine; Humans; Oxidative Stress; Reproducibility of Results; Saliva | 2021 |
Inexpensive water soluble methyl methacrylate-functionalized hydroxyphthalimide: variations of the mycophenolic acid core for selective live cell imaging of free cysteine.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen Peroxide; Methacrylates; Methylmethacrylate; Mycophenolic Acid; Optical Imaging; Spectrometry, Fluorescence; Water | 2021 |
Differences in cell death in methionine versus cysteine depletion.
Topics: Activating Transcription Factor 4; Apoptosis; Cell Line, Tumor; Cell Proliferation; Chemotherapy, Adjuvant; Cysteine; Ferroptosis; Gene Expression Regulation, Neoplastic; Homocysteine; Humans; Lipid Peroxidation; Melanoma; Methionine; NF-E2-Related Factor 2; Transcriptome | 2021 |
A novel rosamine-based fluorescent probe for the rapid and selective detection of cysteine in BSA, water, milk, cabbage, radish, apple, and pear.
Topics: Animals; Brassica; Cysteine; Fluorescent Dyes; Glutathione; Heterocyclic Compounds, 3-Ring; Homocysteine; Limit of Detection; Malus; Milk; Plants; Pyrus; Raphanus; Rhodamines; Serum Albumin, Bovine; Spectrometry, Fluorescence; Water | 2021 |
A Fast Dual-responsive OFF-ON Fluorescent Probe for Cysteine and Glutathione without Interference from Homocysteine.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Homocystine; Humans; Spectrometry, Fluorescence | 2021 |
Changes in Biothiol Levels Are Closely Associated with Alzheimer's Disease.
Topics: Alzheimer Disease; Animals; Biomarkers; Brain; Cysteine; Down-Regulation; Early Diagnosis; Female; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Male; Mice; Middle Aged; PC12 Cells; Rats; Spectrometry, Fluorescence; Sulfhydryl Compounds; Up-Regulation; Vitamin B 6; Vitamin B Complex | 2021 |
Substitution-rearrangement-cyclization strategy to construct fluorescent probe for multicolor discriminative analysis biothiols in cells and zebrafish.
Topics: Animals; Cyclization; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Spectrometry, Fluorescence; Zebrafish | 2021 |
A long-wavelength fluorescent probe with a large Stokes shift for lysosome-targeted imaging of Cys and GSH.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Lysosomes; Optical Imaging; Spectrometry, Fluorescence | 2021 |
Mitochondria-targeted ratiometric fluorescent imaging of cysteine.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Mitochondria; Optical Imaging | 2021 |
A coumarin-based fluorescence sensor for rapid discrimination of cysteine/homocysteine and glutathione under dual excitation wavelengths.
Topics: Animals; Coumarins; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence; Zebrafish | 2021 |
Direct Quantification and Visualization of Homocysteine, Cysteine, and Glutathione in Alzheimer's and Parkinson's Disease Model Tissues.
Topics: Alzheimer Disease; Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Mice; Parkinson Disease | 2021 |
A Ratiometric, Fast-Responsive
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence; Zebrafish | 2021 |
A reversible coumarin-based sensor for intracellular monitoring cysteine level changes during Cu
Topics: Animals; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Oxidation-Reduction; Zebrafish | 2021 |
Development of a NIR fluorescent probe for highly selective and sensitive detection of cysteine in living cells and in vivo.
Topics: Animals; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Mice; Optical Imaging | 2021 |
Long wavelength emission fluorescent probe for highly selective detection of cysteine in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Optical Imaging | 2022 |
A fluorescent probe with dual acrylate sites for discrimination of different concentration ranges of cysteine in living cells.
Topics: Acrylates; Cysteine; Fluorescence; Fluorescent Dyes; HeLa Cells; Homocysteine; Humans | 2021 |
A simple and accurate HFCF-UF method for the analysis of homocysteine, cysteine, cysteinyl-glycine, and glutathione in human blood.
Topics: Anti-Bacterial Agents; Blood Chemical Analysis; Chromatography, High Pressure Liquid; Cysteine; Dipeptides; Enzyme Inhibitors; Freezing; Glutathione; Homocysteine; Humans; Limit of Detection; Methotrexate; Molecular Structure; Tandem Mass Spectrometry; Temperature; Ultrafiltration; Valproic Acid; Vancomycin | 2021 |
A novel selective probe for detecting glutathione from other biothiols based on the concept of Fluorescence Fusion.
Topics: Artificial Intelligence; Cysteine; Fluorescence; Fluorescent Dyes; Glutathione; Homocysteine; Humans; MCF-7 Cells | 2021 |
A turn-on fluorescent probe via substitution-rearrangement for highly sensitive and discriminative detection of cysteine and its imaging in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Naphthalimides; Optical Imaging; Spectrometry, Fluorescence | 2022 |
Highly selective and sensitive detection of glutathione over cysteine and homocysteine with a turn-on fluorescent biosensor based on cysteamine-stabilized CdTe quantum dots.
Topics: Biosensing Techniques; Cadmium Compounds; Cysteamine; Cysteine; Glutathione; Gold; Homocysteine; Humans; Metal Nanoparticles; Quantum Dots; Tellurium | 2022 |
Specific two-photon fluorescent probe for cysteine detection in vivo.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Photons; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2022 |
A novel turn-on type AIE fluorescent probe for highly selective detection of cysteine/homocysteine and its application in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2022 |
[Establishment of a method for detection of thiols in seminal plasma and its application in patients with hyperuricemia].
Topics: Cysteine; Glutathione; Homocysteine; Humans; Hyperuricemia; Semen; Sulfhydryl Compounds | 2021 |
Simultaneous Quantification of Biothiols and Deciphering Diverse GSH Stability in Different Live Cells by
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Spectrometry, Fluorescence | 2022 |
Selective Homocysteine Assay with Cucurbit[7]uril by pH Regulation.
Topics: Cysteine; Dithionitrobenzoic Acid; Heterocyclic Compounds, 2-Ring; Homocysteine; Homocystine; Hydrogen-Ion Concentration; Imidazolidines; Macrocyclic Compounds | 2022 |
Detection of glutathione, cysteine, and homocysteine by online derivatization-based electrospray mass spectrometry.
Topics: Cysteine; Glutathione; Homocysteine; Spectrometry, Mass, Electrospray Ionization; Sulfhydryl Compounds | 2022 |
Simultaneous determination of serum homocysteine, cysteine, and methionine in patients with schizophrenia by liquid chromatography-tandem mass spectrometry.
Topics: Chromatography, Liquid; Cysteine; Homocysteine; Humans; Methionine; Schizophrenia; Tandem Mass Spectrometry | 2022 |
Construction of a unique fluorescent probe for rapid and highly sensitive detection of glutathione in living cells and zebrafish.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Optical Imaging; Spectrometry, Fluorescence; Zebrafish | 2022 |
Red and Near-Infrared Fluorescent Probe for Distinguishing Cysteine and Homocysteine through Single-Wavelength Excitation with Distinctly Dual Emissions.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2022 |
Selective, Rapid, and Ratiometric Fluorescence Sensing of Homocysteine in Live Neurons via a Reaction-Kinetics/Sequence-Differentiation Strategy Based on a Small Molecular Probe.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Kinetics; Molecular Probes; Neurons | 2022 |
A simple "turn-on" fluorescent probe capable of recognition cysteine with rapid response and high sensing in living cells and zebrafish.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence; Zebrafish | 2022 |
Pyridine-NBD: A homocysteine-selective fluorescent probe for glioblastoma (GBM) diagnosis based on a blood test.
Topics: Cysteine; Fluorescent Dyes; Glioblastoma; Hematologic Tests; Homocysteine; Humans; Pyridines | 2022 |
Establishment of reference intervals of homocysteine, cysteine, and methionine in apparently healthy Chinese adults.
Topics: Adult; Biomarkers; China; Chromatography, Liquid; Cysteine; Female; Homocysteine; Humans; Male; Methionine; Tandem Mass Spectrometry | 2022 |
Biomarkers of the transsulfuration pathway and risk of renal cell carcinoma in the European Prospective Investigation into Cancer and Nutrition (EPIC) study.
Topics: Bayes Theorem; Biomarkers; Carcinoma, Renal Cell; Case-Control Studies; Cysteine; Homocysteine; Humans; Kidney Neoplasms; Prospective Studies; Pyridoxal Phosphate; Vitamin B 6 | 2022 |
Did Homocysteine Take Part in the Start of the Synthesis of Peptides on the Early Earth?
Topics: Cysteine; Homocysteine; Methionine; Peptides; Sulfhydryl Compounds | 2022 |
Gold-activated luminol chemiluminescence for the selective determination of cysteine over homocysteine and glutathione.
Topics: Cysteine; Glutathione; Gold; Homocysteine; Luminescence; Luminescent Measurements; Luminol; Reproducibility of Results | 2022 |
Synthesis of a Novel Electrochemical Probe for the Sensitive and Selective Detection of Biothiols and Its Clinical Applications.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Spectrometry, Fluorescence; Spectroscopy, Fourier Transform Infrared; Sulfhydryl Compounds | 2022 |
An indanone-based fluorescent probe for detection and imaging of Cys/Hcy in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Indans; Optical Imaging; Spectrometry, Fluorescence | 2022 |
A Rapid Near-Infrared Fluorescent Probe for Cysteine Based on Isophorone and its Application in B16 Cell Imaging.
Topics: Animals; Cyclohexanones; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Mice; Optical Imaging | 2022 |
Highly selective fluorescent probe based on AIE for identifying cysteine/homocysteine.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans | 2022 |
Nutritional biomarkers and heart failure requiring hospitalization in patients with type 2 diabetes: the SURDIAGENE cohort.
Topics: Aged; Betaine; Biomarkers; Carnitine; Choline; Cohort Studies; Cysteine; Diabetes Mellitus, Type 2; Female; Heart Failure; Homocysteine; Hospitalization; Humans; Male; Methionine; Middle Aged; Prospective Studies; Risk Factors | 2022 |
A Cu
Topics: Amines; Cysteine; Fluorescent Dyes; Fluorometry; Homocysteine; Spectrometry, Fluorescence | 2022 |
A simple lysosome-targeted fluorescent probe based on flavonoid for detection of cysteine in living cells.
Topics: Cysteine; Flavonoids; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Lysosomes; Spectrometry, Fluorescence | 2022 |
A quantitative metabolomics assay targeting 14 intracellular metabolites associated with the methionine transsulfuration pathway using LC-MS/MS in breast cancer cells.
Topics: Breast Neoplasms; Chromatography, Liquid; Cysteine; Cystine; Female; Glutathione; Homocysteine; Humans; Metabolomics; Methionine; Tandem Mass Spectrometry | 2022 |
Homocysteine-specific fluorescence detection and quantification for evaluating
Topics: Adenosylhomocysteinase; Copper; Cysteine; Fluorescent Dyes; Homocysteine; Optical Imaging; Pyridines | 2022 |
Michael addition-elimination-cyclization based turn-on fluorescence (MADELCY TOF) probes for cellular cysteine imaging and estimation of blood serum cysteine and aminoacylase-1.
Topics: Amidohydrolases; Animals; Cyclization; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Mammals; Optical Imaging; Serum; Spectrometry, Fluorescence | 2022 |
A unique water soluble probe for measuring the cardiac marker homocysteine and its clinical validation.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Reproducibility of Results; Spectrometry, Fluorescence; Water | 2022 |
Probing Biothiols Using a Red-Emitting Pyridoxal Derivative by Adopting Copper(II) Displacement Approach and Cell Imaging.
Topics: Copper; Cysteine; Dimethyl Sulfoxide; Fluorescent Dyes; Glutathione; HEPES; Homocysteine; Protons; Pyridoxal; Schiff Bases; Solvents; Spectrometry, Fluorescence | 2022 |
A novel quinoline-based fluorescent probe for real-time monitoring of Cys in glioma.
Topics: Cysteine; Fluorescent Dyes; Glioma; Glutathione; HeLa Cells; Homocysteine; Humans; Quinolines | 2022 |
Fluorescence probe for selectively monitoring biothiols within cells and mouse depression diagnosis.
Topics: Animals; Cysteine; Depression; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Mice; Spectrometry, Fluorescence | 2022 |
Cysteine Regulates Oxidative Stress and Glutathione-Related Antioxidative Capacity before and after Colorectal Tumor Resection.
Topics: Advanced Oxidation Protein Products; Antioxidants; Colorectal Neoplasms; Cysteine; Glutathione; Homocysteine; Humans; Malondialdehyde; Oxidative Stress | 2022 |
A new ratiometric AIE fluorescent probe for detecting cysteine in food samples and imaging in the biological system.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Powders; Spectrometry, Fluorescence; Zebrafish | 2023 |
Rapid GSH detection and versatile peptide/protein labelling to track cell penetration using coumarin-based probes.
Topics: Animals; Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Nucleosomes; Peptides; Sulfhydryl Compounds; Zebrafish | 2023 |
Coumarin-Ensembled Vanadium(V) Compounds and Their Affinity Studies Toward Biological Thiols Probed by Fluorescence Spectroscopy.
Topics: Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Methanol; Spectrometry, Fluorescence; Sulfhydryl Compounds; Vanadium | 2023 |
HPLC Study of Product Formed in the Reaction of NBD-Derived Fluorescent Probe with Hydrogen Sulfide, Cysteine,
Topics: Acetylcysteine; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen Sulfide; Optical Imaging; Sulfhydryl Compounds | 2022 |
Homocysteine causes neuronal leptin resistance and endoplasmic reticulum stress.
Topics: Cysteine; Endoplasmic Reticulum Stress; Homocysteine; Humans; Leptin; Methionine; Neuroblastoma; Obesity; Receptors, Leptin; STAT3 Transcription Factor | 2022 |
Profiling of Homocysteine Metabolic Pathway Related Metabolites in Plasma of Diabetic Mellitus Based on LC-QTOF-MS.
Topics: Choline; Cysteine; Diabetes Mellitus; Homocysteine; Humans; Metabolic Networks and Pathways; Methionine; Racemethionine; Taurine | 2023 |
A coumarin-based fluorescent probe: single-wavelength excitation, discrimination of Cys/Hcy and GSH by naked eyes.
Topics: Coumarins; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Spectrometry, Fluorescence | 2023 |
Fluorescent probe for highly selective detection of cysteine in living cells.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2023 |
A Near-Infrared Fluorescent and Photoacoustic Probe for Visualizing Biothiols Dynamics in Tumor and Liver.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Liver; Mice; Neoplasms; Optical Imaging; Spectrometry, Fluorescence | 2023 |
Manipulating the monomer-dimer transformation of a heptamethine cyanine ligand: near infrared chromogenic recognition of biothiols.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Humans; Ligands; Mercury; Polymers; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2023 |
The Associations of Habitual Intake of Sulfur Amino Acids, Proteins and Diet Quality with Plasma Sulfur Amino Acid Concentrations: The Maastricht Study.
Topics: Amino Acids, Sulfur; Cardiovascular Diseases; Cross-Sectional Studies; Cystathionine; Cysteine; Diabetes Mellitus, Type 2; Diet; Female; Homocysteine; Humans; Methionine; Obesity; Taurine | 2023 |
An aggregation induced emission chalcone fluorescent probe with large Stokes shift for biothiols detection.
Topics: Chalcones; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Spectrometry, Fluorescence | 2023 |
Accurate Detection of Hcy in Human Serum and Two-Photon Visualization of Atherosclerosis Using a Highly Specific Fluorescent Probe.
Topics: Animals; Atherosclerosis; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Mice; Microscopy, Fluorescence; Spectrometry, Fluorescence | 2023 |
A fluorescent probe based on Cu(II) complex induced catalysis for repetitive detection of cysteine.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Microscopy, Confocal; Optical Imaging | 2023 |
Sensitive and discriminative detection of cysteine by a Nile red-based NIR fluorescence probe.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Oxazines; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2023 |
A simple indanone-based red emission fluorescent probe for the rapid detection of cysteine in vitro and in vivo.
Topics: Animals; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Limit of Detection; Spectrometry, Fluorescence; Zebrafish | 2023 |
A New Lysosome-Targeted NIR Fluorescent Probe for Specific Detection of Cysteine over Homocysteine and Glutathione.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Lysosomes | 2023 |
Design, synthesis and cell imaging of a new 3-thiolflavone fluorescent probe for biothiols.
Topics: Cysteine; Fluorescent Dyes; Glutathione; Homocysteine; Optical Imaging; Spectrometry, Fluorescence | 2024 |
High-selective two-site fluorescent probe for Cys/SO
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Microscopy, Confocal; Optical Imaging; Phenothiazines | 2024 |
Sensitively detecting endogenous homocysteine in human serum and cardiomyocytes with a specific fluorescent probe.
Topics: Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Myocardial Infarction; Myocytes, Cardiac; Spectrometry, Fluorescence | 2023 |
New Rhodamine-based sensor for high-sensitivity fluorescence tracking of Cys and simultaneously colorimetric detection of H
Topics: Colorimetry; Cysteine; Fluorescent Dyes; Glutathione; HeLa Cells; Homocysteine; Humans; Hydrogen Sulfide; Rhodamines; Spectrometry, Fluorescence; Sulfhydryl Compounds | 2024 |