dihydroxyphenylalanine has been researched along with tyrosine in 907 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 658 (72.55) | 18.7374 |
| 1990's | 105 (11.58) | 18.2507 |
| 2000's | 77 (8.49) | 29.6817 |
| 2010's | 60 (6.62) | 24.3611 |
| 2020's | 7 (0.77) | 2.80 |
| Authors | Studies |
|---|---|
| Bellman, K; Knegtel, RM; Settimo, L | 1 |
| Sueishi, Y; Takemoto, T | 1 |
| Ikuta, K; Kato, T; Matsuura, S; Nagatsu, T; Numata, Y; Sugimoto, T | 1 |
| Guthrie, PB; Neuhoff, V; Osborne, NN | 1 |
| Snodgrass, SR | 1 |
| Glowinski, J | 3 |
| Chalfie, M; Perlman, RL | 1 |
| Carlsson, A; Holmin, T; Lindqvist, M; Siesjö, BK | 1 |
| Gibson, CJ; Wurtman, RJ | 1 |
| Jacklet, JW; Loh, YP | 1 |
| Osborne, NN | 1 |
| Engel, J; Hedner, T; Lundborg, P | 2 |
| Ahlenius, S; Almgren, O; Carlsson, A; Engel, J; Larsson, K; Södersten, P | 1 |
| Hedner, T; Lundborg, P | 4 |
| Ahearn, DG; Nurudeen, TA | 1 |
| Agrup, G; Bengtsson, M; Falck, B; Persson, K; Rorsman, H; Rosengren, AM; Rosengren, E | 1 |
| De Potter, WP; De Schaepdryver, AF; Fraeyman, NH | 1 |
| Robb, DA | 1 |
| Khatchadourian, C; Menezo, Y; Ortonne, JP; Voulot, C | 1 |
| Halbhübner, K; Herken, H; Kehr, W; Loos, D | 1 |
| Izumi, F; Oka, M | 1 |
| Katzman, R; Wexler, B | 1 |
| Pawelek, JM | 1 |
| Strömbom, U | 1 |
| Carlsson, A; Kehr, W; Lindqvist, M | 1 |
| Nowycky, MC; Roth, RH; Walters, JR | 1 |
| Sasaki, M; Seiji, M; Tomita, Y | 1 |
| Carlsson, A; Lindqvist, M | 3 |
| Davis, JN | 1 |
| Agid, Y; Glowinski, J; Javoy, F | 1 |
| Gaillard, JM; Tissot, R | 1 |
| Benignus, VA; Davis, JN; McNamara, MC; Miller, AT | 1 |
| Leh, F; Mudd, JB; Warr, TA | 1 |
| Calderini, G; Carlsson, A; Nordström, CH | 2 |
| Ahtee, L; Carlsson, A | 1 |
| Hurley, LH | 1 |
| Bradford, HF; de Belleroche, JS | 1 |
| Barker, DL; Hooper, NK; Kushner, PD | 1 |
| Carlsson, A; Strömbom, U; Svensson, TH | 1 |
| Okun, MR; Patel, RP | 1 |
| Graham, DG; Tiffany, SM; Vogel, FS | 1 |
| Ekel, TM; Hearing, ED; Hearing, VJ; Montague, PM; Nicholson, JM | 1 |
| Fernstrom, JD; Sved, AF; Wurtman, RJ | 1 |
| Andén, NE; Wachtel, H | 1 |
| Kawada, S; Nakashima, Y; Sanada, H; Utsuki, Y | 1 |
| Carlsson, A | 4 |
| Tissot, R | 1 |
| Chavin, W; Chen, YM | 3 |
| Bomirski, A; Wrzolkowa, T | 1 |
| Rentzhog, L | 1 |
| Kelly, C; Pau, RN | 1 |
| Ekel, TM; Hearing, VJ | 1 |
| Evans, WC; Lunt, DO | 1 |
| Watkins, CJ; Wurtman, RJ | 1 |
| Bagchi, SP; Smith, TM | 3 |
| Kassil', GN; Matlina, ESh | 1 |
| Benoiton, NL; D'Iorio, A; Smyth, RG; Tong, JH | 1 |
| Beley, A; Bralet, J; Rochette, L | 1 |
| Freye, E | 1 |
| Borri-Voltattorni, C; Codini, M; Fiori, A; Minelli, A; Turano, C | 1 |
| Engström, G; Strömbom, U; Svensson, TH; Waldeck, B | 1 |
| Jacoby, JH; Mueller, G; Wurtman, RJ | 1 |
| McKean, CM; Schafer, EW | 1 |
| Kehr, W | 1 |
| Das, NV; Gairola, C; Hurley, LH | 1 |
| Kehr, W; Speckenbach, W | 1 |
| Okuda, A; Yamamoto, O | 1 |
| Brown, KD; Zurawski, G | 1 |
| Curzon, G; Rodgers, AD | 1 |
| Neuhoff, V; Osborne, NN; Priggemeier, E | 1 |
| Shibuya, H; Toru, M; Watanabe, S | 1 |
| DiRaddo, J; Kellogg, C | 1 |
| Lees, GJ; Weiner, N | 1 |
| Barchas, JD; Patrick, RL; Snyder, TE | 1 |
| Boadle-Biber, MC; Roth, RH | 2 |
| Kumagai, H; Yamada, H | 1 |
| Arce, CA; Barra, HS; Caputto, R; Hallak, ME; Rodriguez, JA | 1 |
| Arce, CA; Barra, HS; Caputo, R; Rodriguez, JA | 1 |
| Manukhin, BN; Volina, EV | 2 |
| Fellman, JH; Fujita, TS; Roth, ES | 1 |
| Cotzias, GC; Tang, LC | 1 |
| Bradford, HF; De Belleroche, JS; Jones, DG | 1 |
| Smith, PI; Swan, GA | 1 |
| Koppenol, WH; Maskos, Z; Rush, JD | 1 |
| Buda, M; Lachuer, J; Tappaz, M | 1 |
| Prota, G | 2 |
| Abercrombie, ED; Nisenbaum, LK | 1 |
| Lindén, IB; Nissinen, E; Pohto, P; Schultz, E | 1 |
| d'Ischia, M; Misuraca, G; Palumbo, A; Prota, G | 1 |
| Hearing, VJ; Jiménez, M; Tsukamoto, K | 1 |
| Naish-Byfield, S; Riley, PA | 1 |
| Cedarbaum, JM; Diksic, M; Evans, A; Gjedde, A; Guttman, M; Léger, G; Reches, A; Woodward, W | 1 |
| Brown, DE; Dooley, DM; Janes, SM; Klinman, JP; Mu, D; Smith, AJ | 1 |
| Kuchel, O; Shigetomi, S | 1 |
| Armando, I; Deka-Starosta, A; Fukuhara, K; Goldstein, DS; Holmes, C; Kopin, IJ; Kvetnansky, R; Weise, VK | 1 |
| Fitzpatrick, PF | 1 |
| Harris, H; Winder, AJ | 1 |
| Bostwick, JR; Le, WD | 1 |
| Kaufman, S; Pigeon, D; Ribeiro, P | 1 |
| Montefiori, DC; Zhou, JY | 1 |
| Adam, MJ; Chan, GL; Hewitt, KA; Pate, BD; Ruth, TJ; Schofield, P | 1 |
| Fernstrom, JD; Fernstrom, MH; Massoudi, MS | 1 |
| De Vries, JB; Westerink, BH | 1 |
| d'Ischia, M; Havens, M; Napolitano, A; Prota, G; Tramposch, K | 1 |
| Buu, NT; Kuchel, O; Shigetomi, S | 1 |
| Abe, T; Kikuchi, T; Nozaki, Y; Takahashi, S; Tohgi, H | 1 |
| Fujiwara, M; Hamahata, K; Hasegawa, H; Hayashi, Y; Koshimura, K; Lee, K; Miwa, S; Watanabe, Y | 1 |
| Buu, NT; Edwards, DJ; Kuchel, O | 1 |
| Flatmark, T; Fukami, MH; Haavik, J | 1 |
| Aroca, P; Garcia-Borron, JC; Jara, JR; Lozano, JA; Solano, F | 1 |
| Fletcher, JG; Kirk, KL; Phillips, RS; Von Tersch, RL | 1 |
| Borisenko, SA | 2 |
| d'Ischia, M; Iannone, A; Misuraca, G; Palumbo, A; Prota, G | 1 |
| Duś, D; Kafarski, P; Lejczak, B | 1 |
| Da Prada, M; Zürcher, G | 1 |
| Evans, PD; Macfarlane, RG; Midgley, JM; Watson, DG | 1 |
| De Herdt, P; Maitre, L; Waldmeier, PC | 1 |
| Antonin, KH; Bieck, PR; Nilsson, E | 1 |
| Carlsson, A; Clark, D; Fornstedt, B; Pileblad, E | 1 |
| Fujiwara, M; Lee, K; Miwa, S | 1 |
| Spector, AA; Strom, DK; Yorek, MA | 1 |
| Banwart, B; Jones, JD; Miller, TD; Tyce, GM | 1 |
| Kuklinska, E; Moellmann, G; Slominski, A | 1 |
| Coxon, B; Dizdaroglu, M; Gajewski, E; Margolis, SA | 1 |
| Hirata, Y; Nagatsu, T | 3 |
| Knorr, AM; Roth, RH; Wolf, ME | 1 |
| Houchi, H; Minakuchi, K; Morita, K; Oka, M | 1 |
| Fernstrom, JD; Fernstrom, MH; Iuvone, PM; Volk, EA | 1 |
| Gibson, CJ | 2 |
| Morse, DE; Ness, JC | 1 |
| Archibald, FS; Tyree, C | 1 |
| Borisenko, SA; Burov, IuV; Kiianmaa, K; Lehtosalo, J; Mannisto, P | 1 |
| Fidone, S; Gonzalez, C; Gonzalez, E; Rigual, R | 1 |
| Spoerlein, MT; VanderWende, C; Wilmot, CA | 1 |
| Marumo, K; Waite, JH | 1 |
| Hirata, Y; Nagatsu, T; Sugimura, H; Takei, H | 1 |
| Cudina, I; Josimović, L | 1 |
| Carraro, C; Joshi, PC; Pathak, MA | 1 |
| Fernstrom, JD; Fernstrom, MH | 4 |
| Houchi, H; Misbahuddin, M; Morita, K; Nakanishi, A; Oka, M | 1 |
| Farinelli, W; Fitzpatrick, TB; Gange, RW; Pathak, MA; Rosen, CF; Seki, Y; Stern, RS | 1 |
| Kafarski, P; Lejczak, B; Makowiecka, E | 1 |
| McEwan, M; Parsons, PG | 1 |
| Iyengar, B; Misra, RS | 1 |
| Da Prada, M; Haefely, WE; Kettler, R; Schaffner, R; Zürcher, G | 1 |
| Cramers, CA; de Jong, AP; Haan, E; Kok, RM; Wadman, SK | 1 |
| Armengaud, C; Leitner, LM; Malber, CH; Roumy, M; Ruckebusch, M; Sutra, JF | 1 |
| Fujimoto, S; Ishimitsu, S; Ohara, A | 1 |
| Dousa, MK; Tyce, GM | 1 |
| Journée-de Korver, JG; Paans, AM; Pauwels, EK; Vaalburg, W; van der Molen, HD; van Langevelde, A | 1 |
| Sichel, G | 1 |
| Kuriyama, K; Nishimura, C | 1 |
| Birch, PJ; Fillenz, M | 1 |
| Triplett, EL; Wittenberg, C | 1 |
| Levine, M; Morita, K; Pollard, H | 1 |
| Martin, WE | 1 |
| Rorsman, H; Rosengren, AM; Rosengren, E | 1 |
| Madhosingh, C; Wood, IM | 1 |
| Haberman, HF; Menon, IA | 2 |
| Corne, SJ; Hunter, DR; Sandler, M; Shaw, DM; Stephens, R; Stern, GM | 1 |
| Mottaz, JH; Thorne, EG; Zelickson, AS | 1 |
| Baskin, F; Rosenberg, RN | 1 |
| Bates, D; Burton, JL; Goolamali, SK; Plummer, N; Shuster, S; Thody, AJ | 1 |
| Van Scott, EJ; Yu, RJ | 1 |
| Atmadja, S; Fibiger, HC; McGeer, EG | 1 |
| Gordee, RS; Lowry, L | 1 |
| Dearden, JC; Elrick, JG | 1 |
| De Jong, W; Lovenberg, W; Yamabe, H | 1 |
| Besson, MJ; Cheramy, A; Gauchy, C; Musacchio, J | 1 |
| Hendry, IA | 1 |
| Calvert, RT; Spring, MS; Stoker, JR | 1 |
| Atkins, FL; Beaven, MA; Keiser, HR | 1 |
| Baldessarini, RJ; Harris, JE | 1 |
| Keen, P; McLean, WG | 1 |
| Agid, Y; Bouvet, D; Glowinski, J; Javoy, F | 3 |
| Axelrod, J | 4 |
| Kvetnanský, R | 1 |
| Weiner, N | 1 |
| Roth, RH; Walters, JR | 1 |
| Lipton, MA | 1 |
| Costa, E; Guidotti, A; Zivkovic, B | 1 |
| Reynolds, RD; Thompson, SD | 1 |
| Benoiton, NL; D'lorio, A; Sharma, S; Tong, JH | 1 |
| Molinoff, PB | 1 |
| Barchas, JD; Ciaranello, RD; Deguchi, T; Dominic, JA; Kessler, S; Orenberg, EK; Renson, J | 1 |
| Cotzias, GC; Gellene, R; Papavasiliou, PS | 1 |
| Belpaire, F; Laduron, P | 2 |
| Ellis, BE; Major, G; Zenk, MH | 1 |
| Bull, AT; Carter, BL | 1 |
| Edelstein, LM; Okun, MR; Patel, RP; Wilgram, GF; Yee, WA | 1 |
| Miyazaki, K; Otaki, N | 1 |
| Bowers, R; Brumbaugh, J; Lee, K | 1 |
| Bienieki, TC; Holstein, TJ; Quevedo, WC; Stowell, CP; Zarcaro, RM | 1 |
| Gordeladze, AS | 1 |
| Endo, H; Hu, F | 1 |
| Barisas, BG; McGuire, JS | 1 |
| Grell, EH; Jacobson, KB; Warner, CK | 1 |
| Eller, PM; Finelli, VN; Montague, PJ; Petering, HG | 1 |
| Amatniak, AG; Geller, LI; Kazimirchik, AP; Kontsevaia, NG | 1 |
| Habal, A; Siuda, JF | 1 |
| Birkmayer, W | 2 |
| Hempel, K; Männl, HF | 3 |
| Jurna, I; Regélhy, B | 1 |
| Arnaud, Y; Coelho, R | 1 |
| Kanig, K; Oesterle, W | 1 |
| Riley, PA | 1 |
| Hu, F; Montagna, W | 1 |
| Benoiton, NI; D'Iorio, A; Petitclerc, C; Tong, JH | 1 |
| Lewander, T | 1 |
| Aghajanian, GK; Kuhar, MJ; Roth, RH | 1 |
| Gibson, K; Harris, P | 1 |
| Carlsson, A; Waldeck, B | 1 |
| Cohen, Y; Jacquot, C; Rapin, JR; Valette, G | 1 |
| Blaschiko, H; Longlands, MG | 1 |
| Bartholini, G; Pletscher, A | 2 |
| Besson, MJ; Cheramy, A; Gauchy, C; Glowinski, J | 1 |
| Constantinidis, J | 1 |
| Modigh, K | 1 |
| Fernstrom, JD; Larin, F; Mostafapour, S; Wurtman, RJ | 1 |
| Engel, J; Lundborg, P | 1 |
| Sato, M; Wada, JA | 1 |
| Winfield, ME | 1 |
| Hu, F | 1 |
| Birkmayer, W; Mentasti, M | 1 |
| Potter, LT | 1 |
| Hayaishi, O; Nozaki, M | 1 |
| Kopin, IJ; Sedvall, GC; Weise, VK | 1 |
| De Potter, WP; De Schaepdryver, AF; Smith, AD | 1 |
| Hubbard, JI | 1 |
| Axelsson, S; Cegrell, L; Rosengren, AM | 1 |
| Odajima, T | 1 |
| Brisse, B | 1 |
| Boyd, AE; Feldman, JM; Lebovitz, HE | 1 |
| Dutta, SN; Pradhan, SN | 1 |
| Goren, EN; Rosen, OM | 1 |
| Boullin, DJ; Green, AR | 1 |
| Andén, NE; Fuxe, K | 1 |
| Arushanian, EB | 1 |
| Valzelli, L | 1 |
| Bunke, D | 1 |
| Boadle-Biber, MC; Hughes, J; Roth, RH | 1 |
| Baum, T; Shropshire, AT | 1 |
| Agid, Y; Cheramy, A; Gauchy, C; Glowinski, J | 1 |
| McNatty, KP; Thurley, DC | 1 |
| Strömberg, U; Waldeck, B | 1 |
| Donnellan, B; Edelstein, LE; Okun, MR; Pearson, SH | 1 |
| Angrist, B; Gershon, S | 1 |
| Swan, GA | 1 |
| Bédard, P; Carlsson, A; Lindqvist, M; Magnusson, T | 1 |
| Norberg, KA | 1 |
| Carrara, MC; Garattini, S; Jori, A | 1 |
| Zenker, N | 1 |
| Gylys, JA; Muccia, PM | 1 |
| Moore, KE; Rech, RH | 1 |
| Litwack, G; Miller, JE | 2 |
| LaPidus, JB; Patil, PN; Tye, A | 1 |
| Bartholini, G; Gey, KF; Pletscher, A | 1 |
| Rubenson, A | 1 |
| Benoiton, NL; D'Iorio, A; Tong, JH | 2 |
| Besson, MJ; Cheramy, A; Glowinski, J | 1 |
| Riddell, D; Szerb, JC | 1 |
| Dairman, W; Udenfriend, S | 1 |
| Baker, AB; Martin, WE; Resch, JA | 1 |
| Glowinski, J; Javoy, F | 1 |
| Davila, D; Khairallah, PA | 1 |
| Scholtmeyer, H; Terao, A; Trapp, WG; Wada, JA | 1 |
| Kamat, UG; Sheth, UK | 1 |
| Whittaker, JR | 2 |
| Nagatsu, I; Nagatsu, T; Sudo, Y | 2 |
| Karobath, M | 1 |
| Bjur, R; Waymire, JC; Weiner, N | 1 |
| Dewhurst, SA; McCaman, RE; Weinreich, D | 1 |
| Yamada, R | 1 |
| Kuczenski, RT; Mandell, AJ | 1 |
| Costa, E | 1 |
| Axelrod, J; Brandau, K | 1 |
| Axelrod, J; Weinshilboum, R | 1 |
| Cymerman, A; McCullough, D; Robinson, SM | 1 |
| Wyatt, RJ | 1 |
| Fukui, K; Shiomi, H; Takagi, H | 1 |
| Kopin, IJ | 1 |
| Gordon, RJ; McKenzie, GM; Viik, K | 1 |
| Atack, CV; Carlsson, A; Davis, JN; Kehr, W; Lindqvist, M | 1 |
| Coyle, JT | 1 |
| Hollunger, G; Persson, SA | 1 |
| Goncharik, LA; Legenchenko, MI; Merezhinskiĭ, VM | 1 |
| Minsker, DH; Stokes, AL | 1 |
| Finlay, E; Gessner, G; Green, H; Kaiser, C; Pendleton, RG | 1 |
| Kogan, BM; Matlina, ESh; Nozdracheva, LV; Vaĭsman, SM; Zaĭdner, IG | 1 |
| Blois, MS | 1 |
| Beasley, BL; DeSimone, SM; Hare, TA; Vogel, WH | 1 |
| Ambani, LM; Liu, YP; Van Woert, MH | 1 |
| Granerus, AK; Jagenburg, R; Rödjer, S; Svanborg, A | 1 |
| Kledzik, GS; Meites, J | 1 |
| Diven, WF; Grever, MR; Meneely, RL; Neary, JT | 1 |
| Macmenamin, PN; Pantelouris, EM | 1 |
| Boulton, AA; Dyck, LE | 1 |
| Johnson, DG; Kopin, IJ; Thoa, NB | 2 |
| Barker, DL; Kravitz, EA; Molinoff, PB | 1 |
| Buse, MG; Rossini, AA | 1 |
| Presthus, J | 1 |
| Goodwin, FK; Sack, RL | 1 |
| Fischer, JE | 1 |
| Lees, GJ; McCaman, MW; McCaman, RE | 1 |
| Kawada, S; Nakashima, Y; Sanada, H; Suzue, R | 1 |
| Arai, T; Mikami, Y | 2 |
| Nakayasu, M; Nohara, M; Oikawa, A; Tchen, TT | 1 |
| Hamada, T; Mishima, Y | 1 |
| Nace, GW; Richards, CM; Smith-Gill, SJ | 1 |
| Dumont, JN; Eppig, JJ | 1 |
| Hendee, JR; Lerner, AB | 1 |
| Ettinger, L; Lerch, K | 1 |
| Aurstad, K; Dahle, HK | 1 |
| Anagnoste, B; Battista, A; Fuxe, K; Goldstein, M; Ogawa, M; Ungerstedt, U | 1 |
| Post, LC | 1 |
| Matlina, ESh; Pukhova, GS | 1 |
| Baerlocher, K; Curtius, HC; Völlmin, JA | 1 |
| Domino, EF; Hitzemann, RJ; Loh, HH | 2 |
| Käser, H | 1 |
| Finch, CE; Paparo, A | 1 |
| Brun, R | 1 |
| Bultmann, H; Clever, U | 1 |
| Chase, TN; Colburn, RW; Kopin, IJ; Ng, LK | 1 |
| Mukherjee, PP; Singh, DV | 1 |
| Oldendorf, WH | 2 |
| Finch, CE | 1 |
| Carlsson, A; Davis, JN | 1 |
| Digendra, V; Mukherjee, PP; Mukherjee, S | 1 |
| Bishop, W; Donoso, AO; McCann, SM | 1 |
| Aaron, JJ; Mousa, JJ; Spann, WJ; Winefordner, JD | 1 |
| Cohen, HP; Martin, WE | 1 |
| Köhler, KH | 1 |
| Dinsmore, SR; Mrochek, JE; Ohrt, DW | 1 |
| Donnellan, B; Edelstein, LM; Okun, MR; Patel, RP | 1 |
| Barlow, JJ; Juorio, AV | 1 |
| Bohner, B; Ensor, CR; McCarthy, DA; McLean, JR; Potoczak, D | 1 |
| Bagnara, JT; Prota, G; Taylor, JD | 1 |
| Colburn, RW; Fales, HM; Milne, GW | 1 |
| Bretschneider, H; Hohenlohe-Oehringen, K; Kaiser, A; Wölcke, U | 1 |
| Malysheva, VA; Matlina, ESh | 1 |
| Matlina, ESh; Pukhova, GS; Zutler, AS | 1 |
| Kosaka, M; Mori, A; Takeuchi, H | 1 |
| Model, PG; Moran, D; Palmer, JD | 1 |
| Gonoboblev, LN; Govyrin, VA; Naumov, VA; Zhorov, BS | 1 |
| Cohen, Y; Jacquot, C; Rapin, JR | 1 |
| Hoeldtke, RD; Wurtman, RJ | 2 |
| Atkinson, M; Hartley, D; Lunts, LH; Ritchie, AC | 1 |
| Crespin, SR; Jarett, L; Smith, RM | 1 |
| Couchman, L; Knowles, ME; McWeeny, DJ; Thorogood, M | 1 |
| Foss, P; Lemberger, M; Rosazza, J; Sih, CJ | 1 |
| Kaluza, J; Szydlowska, H | 1 |
| Koetsier, JC; Stoof, JC | 1 |
| Birkmayer, W; Danielczyk, W; Neumayer, E; Riederer, P | 1 |
| Waldeck, B | 1 |
| Chiueh, CC; Moore, KE | 1 |
| Engström, G; Svensson, TH; Waldeck, B | 1 |
| Laverty, R; Taylor, KM | 1 |
| Peyrin, L | 1 |
| Nagatsu, T; Yamamoto, T | 1 |
| Matsushita, K | 1 |
| Sandler, M | 1 |
| Bear, ES; Green, EW; James, TN; Lang, KF; Winkler, HH | 1 |
| Andén, NE; Carlsson, A; Kerstell, J; Magnusson, T; Olsson, R; Roos, BE; Steen, B; Steg, G; Svanborg, A; Thieme, G; Werdinius, B | 1 |
| Fickenscher, U; Zähner, H | 1 |
| Goodwin, BL; Ruthven, CR; Sandler, M | 1 |
| Tjälve, H | 1 |
| Creveling, CR; Daly, JW | 1 |
| Cotzias, GC; Düby, S; Ginos, J; Papavasiliou, PS; Steck, A | 1 |
| Matussek, N | 1 |
| Brundin, T | 1 |
| Neish, WJ | 1 |
| John, VT; Ragetli, HW | 1 |
| Fellman, JH; Gaudin, D | 1 |
| Roth, RH; Stjärne, L; von Euler, US | 1 |
| Barnett, DR; Oliver, CP; Peeples, EE | 1 |
| Cassaigne, A; Lacoste, AM; Neuzil, E | 1 |
| Pirie, A | 1 |
| Fukami, H; Kumagai, H; Matsui, H; Ogata, K; Ohgishi, H; Ueno, T; Yamada, H | 1 |
| Irimajiri, T; Itakura, H; Seiji, M; Yoshida, T | 1 |
| Kertesz, D | 3 |
| Edelstein, L; Hamada, G; Niebauer, G; Okun, MR | 1 |
| McCurdy, HM | 1 |
| Deppisch, LM; Gang, H; Goldstein, M; Gumport, SL; Sohn, N | 1 |
| Geisler, A; Oliver, CP; Peeples, EE; Whitcraft, CJ | 1 |
| Donnellan, B; Edelstein, LM; Hamada, G; Okun, MR; Or, N | 1 |
| Van Woert, MH | 1 |
| Mann, S | 1 |
| Donnellan, B; Edelstein, L; Hamada, G; Okun, M; Or, N | 1 |
| Flawn, PC; Wilde, PF | 2 |
| Summers, NM | 1 |
| Herzog, R; Russell, LP; Triplett, EL | 1 |
| Donnellan, B; Edelstein, LM; Hamada, G; Lever, WF; Okun, MR; Or, N | 1 |
| McGuire, JS | 1 |
| Bédard, P; Larochelle, L; Poirier, LJ | 1 |
| Dunnill, P; Lilly, MD; Wykes, JR | 1 |
| Allikmets, L; Delgado, JM; Roth, RH | 1 |
| Prunieras, M | 1 |
| Herrmann, WP | 1 |
| Enei, H; Matsui, H; Okumura, S; Yamada, H | 1 |
| Gharib, H; Hockert, T; Mayberry, WE; Ryan, RJ | 1 |
| Prabhakaran, K | 1 |
| Gillette, JR; Horak, V | 1 |
| Hendee, J; McGuire, J | 1 |
| Bayse, GS; Morrison, M | 1 |
| Chan-Henry, E; Jakubovic, A; Woolf, LI | 1 |
| Ber, A; Singer, R | 1 |
| Sullivan, JM | 1 |
| Chen, TS; Huang, KC | 1 |
| Dreiding, AS; Fischer, N | 1 |
| Gajda, L; Grabowska, M; Maj, J | 1 |
| Wyler, H | 1 |
| Diaz, JL; Huttunen, M; Karobath, M | 1 |
| Axelrod, J; Brimijoin, S; Molinoff, PB | 1 |
| Breese, GR; Prange, AJ; Traylor, TD | 1 |
| Enei, H; Kashima, N; Kumagai, H; Okumura, S; Torii, H; Yamada, H | 1 |
| Descarries, L; Saucier, G | 1 |
| Martin, RB | 1 |
| Karczmar, AG; Van Meter, WG | 1 |
| Brannon, DR; Day, WA; Mabe, JA; Molloy, BB | 1 |
| Takahashi, R | 1 |
| Fellman, JH; Joyce, JR; Strandholm, JJ | 1 |
| Zabrodin, ON | 1 |
| Ericsson, AD; McCann, DS; Szpunar, WE | 1 |
| Kellogg, C; Lundborg, P | 1 |
| Haneda, K; Takeda, I; Watanabe, S | 1 |
| Donnellan, B; Edelstein, LM; Epstein, D; Lever, WF; Okun, MR; Patel, RP | 1 |
| Fishman, WH; Sie, HG | 1 |
| Díaz, JL; Huttunen, MO; Karobath, M | 1 |
| Edelstein, LM; Epstein, D; Okun, MR; Patel, RP | 1 |
| Duffy, KM; Ericsson, AD; Wertman, BG | 1 |
| Persson, T; Waldeck, B | 2 |
| Black, IB; Hendry, I; Iversen, LL | 1 |
| Berkowitz, B; Spector, S; Tarver, J | 1 |
| D'Angelo, GL; McQueen, CA; Musacchio, JM | 1 |
| Pomerantz, SH | 2 |
| Koe, BK; Weissman, A | 1 |
| Breese, GR; Cobb, DP; Nash, CB; White, RP | 1 |
| De Ropp, RS; Furst, A | 1 |
| Kawabata, K | 1 |
| Droz, B; Taksi, Zh | 1 |
| Agathopoulos, A; Charokopos, E; Constantsas, N; Danelatos-Athanassiadis, C; Matsaniotis, N | 1 |
| Oja, SS | 1 |
| Burkard, WP; Gey, KF | 1 |
| Bowers, MB; van Woert, MH | 1 |
| Ahonen, A; Pentilä, A | 1 |
| Musacchio, JM | 1 |
| Anton, AH; Greer, M; Williams, CM | 1 |
| Persson, T | 1 |
| Calne, DB; French, TM; Spiers, AS | 1 |
| Bartholini, G; Pletscher, A; Richards, J | 1 |
| Clouet, DH; Ratner, M | 1 |
| Fischer, RD; Schachtschabel, D; Zilliken, F | 1 |
| Ellis, BE; Towers, GH | 1 |
| Jonsson, G; Sachs, C | 1 |
| Bernardi, D; Jori, A | 1 |
| Coulson, WF; Jepson, JB; Powers, MJ | 1 |
| Roth, RH; Suhr, Y | 1 |
| Becker, JW; Simpson, PG; Thathachari, YT | 1 |
| Ando, N | 1 |
| Atkinson, PW; Brown, WV; Gilby, AR | 1 |
| Chase, TN; Colburn, RW; Kopin, IJ; Ng, KY | 1 |
| Hessler, EJ; Miller, TL; Witz, DF | 1 |
| Chalmers, JP; Pohorecky, LA | 1 |
| Munro, HN; Weiss, BF; Wurtman, RJ | 1 |
| Donnellan, B; Edelstein, LM; Lever, WF; Okun, MR; Or, N | 1 |
| Gewirtz, GP; Kopin, IJ; Kvetñanský, R; Weise, VK | 1 |
| Farrier, JP; Merrills, RJ | 1 |
| Hamasaki, S; Uchida, M | 1 |
| Gey, KF | 1 |
| Ignarro, LJ; Shideman, FE | 1 |
| Rabadjija, M; Weiner, N | 2 |
| Selvaratnam, I; Weiner, N | 1 |
| Milne, G; Spande, T; Wilchek, M; Witkop, B | 1 |
| Bhargava, KP; Kar, K; Parmar, S | 1 |
| Daly, J; Guroff, G; Levitt, M; Udenfriend, S | 2 |
| McGeer, EG; McGeer, PL; Peters, DA | 1 |
| Roth, RH; Stone, EA | 1 |
| Dreiding, AS; Frohofer, H; Mabry, TJ; Miller, HE; Rösler, H; Wilcox, ME; Wohlpart, A; Wyler, H | 1 |
| Nahas, GG; Steinsland, OS | 1 |
| Dairman, W; Gordon, R; Sjoerdsma, A; Spector, S; Udenfriend, S | 1 |
| Safratová, V; Skála, J; Vjtĕchovský, M | 1 |
| Gey, KF; Pletscher, A | 1 |
| Follett, BK; Sharp, PJ | 1 |
| Asakuma, K; Fujimoto, S; Hayashi, T; Tomoda, T | 1 |
| Roth, RH | 1 |
| Poskanzer, DC | 1 |
| De Gutierrez Moyano, MB; Donoso, AO; Santolaya, RC | 1 |
| Debijadji, R; Perović, L; Stosić, N; Varagić, V | 1 |
| Fraenkel, G; Friedman, S; Seligman, M | 1 |
| Agurell, S; Lundström, J | 1 |
| de Ropp, RS; Furst, A; Kastl, L | 1 |
| Ermisch, A; Hess, J; Sterba, G | 1 |
| Montalvo, R; Wheeler, OH | 1 |
| Ernst, AM | 1 |
| Levitt, M; Nagatsu, T; Udenfriend, S | 2 |
| Gamborg, OL | 1 |
| Patil, SS; Zucker, M | 1 |
| Hanson, LC | 1 |
| Hall, PF; Okazaki, K | 1 |
| von Studnitz, W | 1 |
| Dewey, VC; Janakidevi, K; Kidder, GW | 1 |
| Alcaraz, AF; Masuoka, DT | 1 |
| Fahien, LA; Ikeda, M; Udenfriend, S | 1 |
| Wood, JG | 1 |
| Koe, BK; Tenen, SS; Weissman, A | 1 |
| Iturriza, FC | 1 |
| Barnett, RJ; Bloom, FE; Giarman, NJ; Van Orden, LS | 1 |
| Sekeris, CE | 2 |
| Cho, MH; Claudel, CE; McDonald, RD | 1 |
| Corrodi, H; Fuxe, K; Hökfelt, T | 1 |
| Mennear, JH; Rudzik, AD | 1 |
| Burcin, A; Porter, CC; Totaro, JA; Wynosky, ER | 1 |
| Merrills, RJ; Offerman, J | 1 |
| Gordon, R; Reid, JV; Sjoerdsma, A; Udenfriend, S | 1 |
| Munkvad, I; Randrup, A | 1 |
| Corrodi, H; Hanson, LC | 1 |
| Herrlich, P; Sekeris, CE | 1 |
| Austin, L; Chubb, IW; Livett, BG | 1 |
| Kopin, IJ; Sedvall, GC | 1 |
| Coward, RF; Middleton, JE; Smith, P | 1 |
| Beierwaltes, WH; Counsell, RE; Morales, JO | 1 |
| Ikeda, M; Levitt, M; Udenfriend, S | 2 |
| Corrodi, H; Fuxe, K | 1 |
| Rutledge, CO; Weiner, N | 1 |
| Brunner, H; Hedwall, PR; Maître, L; Meier, M | 1 |
| Bomirski, A; Dernalowicz, E; Dominiczak, T; Trojanowski, J | 1 |
| Lishajko, F; Stjärne, L | 1 |
| Nagatsu, T; Takeuchi, K | 1 |
| Beierwaltes, WH; Counsell, RE; Meier, DH; Morales, JO | 1 |
| Gordon, R; Sjoerdsma, A; Spector, S; Udenfriend, S | 1 |
| Liang, BT; Perelle, BA; Perlman, RL; Vaccaro, KK | 1 |
| Flatmark, T; Haavik, J | 1 |
| Ichiyama, A; Kataoka, T; Toru, M; Watanabe, S | 1 |
| Tidball, JG | 1 |
| Liang, BT; Perlman, RL; Sheard, BE; Vaccaro, KK | 1 |
| Gelenberg, AJ; Gibson, CJ; Wojcik, JD | 1 |
| Kato, T; Nagatsu, T; Togari, A | 1 |
| Fung, YK; Uretsky, NJ | 1 |
| Bräutigam, M; Dreesen, R; Herken, H | 1 |
| Chillemi, R; Cicero, R; Sciuto, S; Sichel, G | 1 |
| Katz, IR | 1 |
| Jönsson, AC; Nilsson, S | 1 |
| Chia, YC; Lees, GJ; Smith, GW | 1 |
| Mandell, AJ; Russo, PV | 1 |
| Arita, J; Dudley, CA; Moss, RL; Porter, JC; Reymond, MJ | 1 |
| Kai-Kai, MA | 1 |
| Huot, S; Palfreyman, MG; Vitali, P; Wagner, J; Zraika, M | 1 |
| Agrup, G; Rorsman, H; Rosengren, E | 1 |
| Agrup, G; Hansson, C; Rorsman, H; Rosengren, E; Tegner, E | 1 |
| Jergil, B; Lindbladh, C; Rorsman, H; Rosengren, E | 2 |
| Fujita, K; Ito, S; Jimbow, K; Kato, T; Kiyota, M | 1 |
| Aguado, EG; de Yebenes, JG; Mena, MA | 1 |
| Katz, IR; Makman, MH; Smith, D | 1 |
| Bilińska, B; Buszman, E; Kopera, M; Wilczok, T | 1 |
| Chakraborty, AK; Chakraborty, C; Chakraborty, DP; Dutta, AK | 1 |
| Barker, DL; Kushner, PD | 1 |
| Scisłowski, PW; Słominski, A | 1 |
| Hurley, LH; Rokem, JS | 1 |
| Mjörndal, T; Persson, SA | 1 |
| Lamoreux, ML; Murray, M; Pawelek, JM | 1 |
| Shen, RS | 1 |
| Baines, AD; Drangova, R | 1 |
| Fujita, K; Ito, S; Kato, T; Shinpo, K | 1 |
| Arita, J; Kimura, F | 1 |
| Beers, MF; Hurtig, H; Melvin, G; Scarpa, A; Stern, M | 1 |
| Gelenberg, AJ; Gibson, CJ | 1 |
| Ekel, TM; Hearing, VJ; Montague, PM; Nicholson, JM | 1 |
| Almgren, O; Hallberg, H; Svensson, TH | 1 |
| Fukuyama, K; Gellin, GA; Landau, AB; Usami, Y | 1 |
| Ahmed, RF; Hopkins, TL; Kramer, KJ; Lookhart, G; Mueller, D | 1 |
| Hirose, S; Ishimitsu, T | 1 |
| Kaney, AR; Knox, GW | 1 |
| Fernstrom, J; Sved, A | 1 |
| Iwao, J; Kato, E; Kawashima, Y; Matsumoto, J; Oya, M | 1 |
| Kopylov, VA; Nikolaev, IuV | 1 |
| Ichihashi, M; Mishima, Y; Mojamdar, M | 1 |
| Husain, I; Madan, NC; Pasricha, JS; Ramaiah, A; Vijayan, E | 1 |
| Edwards, DJ; Rizk, M | 1 |
| Körner, A; Pawelek, J | 1 |
| Fahn, S; Prasad, AL | 1 |
| Carlsson, A; Dahlgren, N; Sakabe, T; Siesjö, BK | 1 |
| Agrup, G; Hansson, C; Rorsman, H; Rosengren, E | 1 |
| Fidone, S; Gonzalez, C | 1 |
| Fidone, S; Gonzalez, C; Yoshizaki, K | 1 |
| Ahlenius, S; Berggren, U; Engel, J | 1 |
| Bertrand, A; Weil-Fugazza, J | 1 |
| Duran, D; Horwitz, J; Ischiropoulos, H | 1 |
| Aguirre, J; Armando, I; Barontini, M; Nowicki, S | 1 |
| Carlsson, A; Kujacic, M | 1 |
| Christensen, BM; Li, J; Zhao, X | 1 |
| Aizenman, E; Newcomer, TA; Rosenberg, PA | 1 |
| Ricketts, D; Sugumaran, M | 1 |
| Bjurling, P; Hartvig, P; Kihlberg, T; Långström, B; Lindner, KJ; Tani, Y; Tsukada, H; Watanabe, Y; Westerberg, G | 1 |
| Cottet-Emard, JM; Dalmaz, Y; Pequignot, JM; Peyrin, L | 1 |
| De Luca, V; Facchini, PJ | 1 |
| Boissy, RE; Nordlund, JJ; Zhao, H; Zhao, Y | 1 |
| Fukui, T; Matsuzaki, R; Ozaki, Y; Sato, H; Tanizawa, K | 1 |
| García-Cánovas, F; Rodríguez-López, JN; Ros, JR | 2 |
| Bennett, JP; Schuh, LA | 1 |
| Aberg, A; Nordlund, P; Ormö, M; Sjöberg, BM | 1 |
| Dean, RT; Gieseg, SP; Simpson, JA | 1 |
| Charlton, TS; Dean, RT; Duncan, MW; Gieseg, SP; Simpson, JA | 1 |
| Finazzi-Agrò, A; Pedersen, JZ | 1 |
| Kaakkola, S; Wurtman, RJ | 1 |
| Alena, F; Iwashina, T; Jimbow, K; Pankovich, J; Umemura, T; Yamada, K | 1 |
| Eshete, F; LoVerde, PT | 1 |
| Gmeiner, BM; Seelos, C | 1 |
| Eklund, H; Fontecave, M | 1 |
| Castro, SL; Sved, AF; Zigmond, MJ | 1 |
| Liu, MC; Nakajima, H; Sakaida, H; Sakakibara, Y; Suiko, M | 1 |
| Schliemann, W; Steiner, U; Strack, D | 1 |
| Bjurling, P; Hartvig, P; Kihlberg, T; Långström, B; Lindner, KJ; Tani, Y; Tsukada, H; Valtysson, J; Watanabe, Y; Westerberg, G | 1 |
| Channing, MA; Eckelman, WC; Kawai, K; Kubodera, A; Ohta, H | 1 |
| Belakhlef, A; Chaly, T; Dahl, R; Dhawan, V; Eidelberg, D; Ishikawa, T; Mandel, F; Margouleff, C; Robeson, W | 1 |
| Gahm, KH; Stalcup, AM | 1 |
| Burzio, LA; Klug, CA; Schaefer, J; Waite, JH | 1 |
| Odh, G; Rorsman, H; Rosengren, E; Wittbjer, A | 1 |
| Abelli, L; Civinini, A; Gallo, VP; Mastrolia, L | 1 |
| Chakraborty, AK; Chakraborty, DP; Roy, S | 1 |
| Aguirre, J; Armando, I; Arrizurieta, EE; Barontini, M; Ibarra, FR; Nowicki, S | 1 |
| Matsumoto, K; Nordlund, J; Robb, E; Warden, G | 1 |
| Barrio, JR; Cherry, SR; Huang, SC; Jacobson, A; Melega, WP; Namavari, M; Phelps, ME; Quintana, J; Satyamurthy, N; Yu, DC | 1 |
| Ramaiah, A | 1 |
| DeJesus, OT; Endres, CJ; Holden, JE; Nickles, RJ; Shelton, SE | 2 |
| Arnold, LA; Bebin, EM; Fryburg, JS; Gunasekera, RS; Hyland, K; Jacobson, RD; Rost-Ruffner, E; Trugman, JM; Wilson, WG | 1 |
| Ishiguro, I; Ito, S; Ozeki, H; Wakamatsu, K | 2 |
| Eisenhofer, G; Hoffman, B; Hooper, D; Hunyady, B; Kawamura, M; Kopin, IJ; Mezey, E | 1 |
| Aihara, K; Hirayama, T; Kishikawa, T; Sasakia, Y; Suzuki, T | 1 |
| Floyd, RA; Hensley, K; Maidt, ML; Pye, QN; Stewart, CA; Tabatabaie, T; Wack, M | 1 |
| Dooley, DM; Freeman, HC; Guss, JM; Matsunami, H; McIntire, WS; Ruggiero, CE; Tanizawa, K; Wilce, MC; Yamaguchi, H | 1 |
| Fonda, ML; Hilton, FK; Hilton, MA | 1 |
| Arnold, M; Chobotská, K; Pliska, V; Werner, P | 1 |
| Espín, JC; García-Cánovas, F; García-Ruiz, PA; Tudela, J | 1 |
| Kaschabeck, S; Neusser, D; Novotnà, J; Peschke, U; Piepersberg, W; Schmidt, H; Spizèk, J; Tichy, P | 1 |
| Ase, A; Cumming, P; Gjedde, A; Kuwabara, H | 1 |
| Gräslund, A; Liu, A; Pötsch, S; Sahlin, M; Sjöberg, BM | 1 |
| DePietro, FR; Fernstrom, JD | 2 |
| Fukazawa, H; Leem, JY; Natori, S; Park, HY; Uehara, Y | 1 |
| Kuchel, O | 1 |
| Bloomfield, G; Chaudhri, G; Dean, RT; Dinauer, MC; Fu, S; Hunt, NH; Sanni, LA; Stocker, R | 1 |
| Carr, KD; Garcia-Espana, A; Goldstein, M; Haycock, JW; Lee, KY; Lew, JY; Meller, E | 1 |
| Chan, GL; DeJesus, OT; Doudet, DJ; English, C; Holden, JE; Jivan, S; McGeer, EG; Ruth, TJ | 1 |
| Nakahara, D; Nakamura, M | 1 |
| Facchini, PJ; Johnson, AG; Park, SU; Penzes-Yost, C | 1 |
| Esteban, S; García-Sevilla, JA; Lladó, J; Sastre-Coll, A | 1 |
| Dooley, DM | 1 |
| Brown, WD; DeJesus, OT; Holden, JE; Houser, WD; Malischke, L; Nickles, RJ; Pyzalski, RW; Roberts, AD; Shelton, SE; Uno, H | 1 |
| Asada, N; Sezaki, H | 1 |
| Schallreuter, KU | 1 |
| Benathan, M; Furumura, M; Hearing, VJ; Kobayashi, N; Panizzon, RG; Virador, V | 1 |
| Dove, JE; Klinman, JP; Schwartz, B | 1 |
| Ishida, Y; Nakahara, D; Nakamura, M; Oki, Y | 1 |
| Furukawa, H; Furuno, N; Nakahara, D; Nakamura, M | 1 |
| Chen, Z; Klinman, JP; Li, R; Mathews, FS; Schwartz, B; Williams, NK | 1 |
| Drsata, J; Marklová, E | 1 |
| Burzio, LA; Waite, JH | 2 |
| Allegri, G; Bertazzo, A; Costa, CV; Favretto, D; Traldi, P | 1 |
| Aron, R; Cheng, E; Halaban, R; Hebert, DN; Svedine, S | 1 |
| Jenner, P; Rose, S; Treseder, SA | 1 |
| Hirashima, A | 1 |
| Augusto, O; Giorgio, S; Linares, E; Mortara, RA; Santos, CX; Yamada, AT | 1 |
| Blandini, F; Fancellu, R; Mangiagalli, A; Martignoni, E; Nappi, G; Pacchetti, C; Samuele, A | 1 |
| Hainzl, D; Loureiro, AI; Parada, A; Soares-da-Silva, P; Vieira-Coelho, MA | 1 |
| Kato, Y; Kawai, Y; Kitamoto, N; Osawa, T | 1 |
| Kobayashi, N; Komamine, A; Teramoto, S; Yoshitama, K | 1 |
| Hirata, Y; Kiuchi, K; Nagatsu, T | 1 |
| Gerlach, M; Götz, ME; Harth, R; Riederer, P | 1 |
| Buhmann, C; Oechsner, M; Strauss, J; Stuerenburg, HJ | 1 |
| Hiripi, L; Nagy, L | 1 |
| Baoutina, A; Davies, MJ; Dean, RT; Knott, HM | 1 |
| Abe, H; Hirobe, T; Ito, S; Kawa, Y; Mizoguchi, M; Wakamatsu, K | 1 |
| Fowler, B; Kuhn, W; Müller, T; Woitalla, D | 1 |
| Richelson, E | 1 |
| Cheng, E; Halaban, R; Hebert, DN | 1 |
| Lee, KH; Park, SH; Won, J | 1 |
| Liu, MC; Ohkimoto, K; Pai, TG; Sakakibara, Y; Sugahara, T; Suiko, M | 1 |
| Liu, MC; Oxendine, I; Pai, TG; Sakakibara, Y; Sugahara, T; Suiko, M | 1 |
| Geddes, TJ; Javitch, JA; Kuhn, DM; Park, S | 1 |
| Belli, SI; Davies, MJ; Luxford, C; Smith, NC; Wallach, MG | 1 |
| Asayama, K; Kawada, Y; Morisada, N; Shirahata, A; Tanaka, K; Toyohira, Y; Tsutsui, M; Ueno, S; Utsunomiya, K; Yanagihara, N | 1 |
| Gaedicke, G; Huebener, N; Jikai, J; Lange, B; Lode, HN; Schroeder, U; Shabat, D; Shamis, M; Wenkel, J; Wrasidlo, W | 1 |
| SIZER, IW | 1 |
| UDENFRIEND, S; WYNGAARDEN, JB | 1 |
| SZABO, G | 1 |
| GONNARD, P; LEGRAND, JC | 1 |
| FLETCHER, GL; OKADA, S | 1 |
| LASRY, S; LISSITZKY, S; ROLLAND, M | 1 |
| HAGEN, P | 1 |
| CONNAMACHER, RH; HESS, SM; OZAKI, M; UDENFRIEND, S | 1 |
| KARLSON, P; SEKERIS, CE | 1 |
| ERB, W; HEMPEL, K | 1 |
| IYER, NT; McGEEER, PL; McGEER, EG | 1 |
| BELZECKA, K; LASKOWSKA, T; MOCHNACKA, I | 1 |
| DELAUNOIS, AL; DESCHAEPDRYVER, AF; HEYMANS, C; PIETTE, Y | 2 |
| ATKINSON, GA | 1 |
| IMAIZUMI, R; KANIIKE, K; NAMBA, J; YOSHIDA, H | 1 |
| GOLDSTEIN, M; MUSACCHIO, JM | 1 |
| HODGSON, ES; WRIGHT, AM | 1 |
| CONTRERAS, E; CROXATTO, R; HUIDOBRO, F | 1 |
| GALBRAITH, DB | 1 |
| FONNUM, F; HAAVALDSEN, R; TANGEN, O | 1 |
| HEALE, JB; ISAAC, I | 1 |
| CLARK, WH; MCGEER, EG | 1 |
| HOPKINSON, L; JACKSON, FL | 1 |
| SALTON, MR | 1 |
| JACOBY, GA; LADU, BN | 1 |
| KAUFMAN, S | 1 |
| CARDOT, J | 1 |
| BURACK, WR; DRASKOCZY, PR | 1 |
| KING, NK; LOONEY, FD; WINFIELD, ME | 1 |
| AWAPARA, J; HANLY, C; PECK, E; PERRY, TL | 1 |
| CLEFFMANN, G | 1 |
| HIRSCH, HM; ZELICKSON, AS | 1 |
| HARTMANN, JF; HIRSCH, HM; ZELICKSON, AS | 1 |
| CABANA, BE; CHRISTIANSEN, GS; PROKESCH, JC | 1 |
| ASO, K; TAKENOUCHI, K | 1 |
| IKEDA, T | 1 |
| CAMPBELL, JN; NICHOLS, JL | 1 |
| GJESSING, LR | 1 |
| BAGCHI, SP; MCGEER, PL | 1 |
| LEONHARDI, G; LOEHNER, L | 1 |
| AERTS, FE; VERCAUTEREN, RE | 1 |
| HUANG, KC; LIN, DS; ROUT, WR | 1 |
| MITCHELL, HK; WEBER, UM | 1 |
| LEVITT, M; SJOERDSMA, A; SPECTOR, S; UDENFRIEND, S | 1 |
| JINDRA, A; KOVACS, P | 1 |
| VARDANIAN, SA | 1 |
| MORAN, JF; SOURKES, TL | 1 |
| CHO, MH; DOBKIN, AB; LEE, PK | 1 |
| HESS, SM; PAULSEN, EC | 1 |
| KARLSON, P; SEKERI, KE; SEKERIS, CE | 1 |
| Almeida, L; Falcão, A; Loureiro, A; Machado, R; Maia, J; Silveira, P; Soares-da-Silva, P; Torrão, L; Vaz-da-Silva, M; Wright, L | 1 |
| Ali, FE; Barnham, KJ; Barrow, CJ; Separovic, F | 1 |
| FOSTER, M | 1 |
| Amirkhani, A; Nilsson, S; Nyholm, L; Nyholm, LM; Törnkvist, A | 1 |
| Murgia, S; Rescigno, A; Sanjust, E; Soddu, G | 1 |
| Muhlack, S; Müller, T; Przuntek, H; Twiehaus, S; Welnic, J; Woitalla, D | 1 |
| Ametamey, SM; Belokon, YN; Fedorova, OS; Krasikova, RN; Kuznetsova, OF; Mosevich, IK; Nader, M; Schubiger, PA; Shatik, SV; Vyskocil, S; Zaitsev, VV | 1 |
| Elekes, K; Filla, A; Hiripi, L | 1 |
| Kerr, RG; Saleh, MB | 1 |
| Green, BJ; Margerum, DW; Napolitano, MJ; Nicoson, JS | 1 |
| Kohler, L; Mastore, M; Nappi, AJ | 1 |
| Beck, JL; Dean, RT; Dixon, NE; Headlam, MJ; Huber, T; Mouradov, D; Otting, G; Ozawa, K; Rodgers, KJ; Watt, SJ | 1 |
| Celermajer, DS; Davies, MJ; Luxford, C; Nunn, G; Peat, JK; Sheil, ML | 1 |
| Klinman, JP; Samuels, NM | 2 |
| Biró, Z; Ludány, A; Molnár, GA; Nemes, V; Wagner, Z; Wittmann, I | 1 |
| Bonnet, S; Boumendjel, A; Mariotte, AM; Okombi, S; Perrier, E; Rival, D | 1 |
| Seyedsayamdost, MR; Stubbe, J | 2 |
| Carrano, L; Donadio, S; Feroggio, M; Grigoletto, A; Lazzarini, A; Sosio, M; Stinchi, S | 1 |
| DuBois, JL; Klinman, JP | 1 |
| Hirobe, T; Ito, S; Kawa, Y; Mizoguchi, M; Soma, Y; Wakamatsu, K | 1 |
| Gardner, A; Naes, L; Westfall, TC; Yang, CL | 1 |
| Ametamey, SM; Blagoev, M; Hengerer, B; Hintermann, S; Honer, M; Schubiger, PA; Waldmeier, P | 1 |
| Bongiovanni, R; Jaskiw, GE; Newbould, E; Young, D | 1 |
| Kream, RM; Stefano, GB | 2 |
| Nakamura, J; Shinkai, K; Toyohira, Y; Tsutsui, M; Ueno, S; Yanagihara, N; Yoshimura, R | 1 |
| Bauer, R; Brust, P; Fischer, S; Ganapathy, V; Herzau, M; Hinz, R; Huggel, K; Makrides, V; Opfermann, T; Verrey, F; Weber, W; Wester, HJ | 1 |
| Cha, HJ; Hwang, DS; Sim, SB | 1 |
| Elbaz, J; Freeman, R; Gill, R; Willner, I; Zayats, M | 1 |
| Liu, M; Shinohara, Y; Toyohira, Y; Tsutsui, M; Ueno, S; Yanagihara, N | 1 |
| Duke, SO | 1 |
| Grzyska, PK; Hausinger, RP | 1 |
| Bongiovanni, R; Jaskiw, GE; Newbould, E | 1 |
| JONES, KK; VAN ARMAN, CG | 1 |
| Allen, RP; Connor, JR; Earley, CJ; Hyland, K | 1 |
| Borst, C; Holzgrabe, U | 1 |
| Asmus, C; Dremina, ES; Hong, SJ; Killmer, J; Li, X; Pennington, J; Schöneich, C; Sharov, VS; Stobaugh, JF; Thorson, M | 1 |
| Fischman, AJ | 1 |
| Baird, SK; Firth, CA; Gieseg, SP; Laing, AD; Pearson, J | 1 |
| FITZPATRICK, TB; LERNER, AB | 1 |
| Inoue, T; Shiota, Y; Yoshizawa, K | 1 |
| Becker, JM; Ding, F; Naider, F; Son, C; Umanah, GK | 1 |
| Kuhn, W; Müller, T | 1 |
| Muhlack, S; Müller, T | 1 |
| Fujioka, H; Kudo, S; Shintaku, H; Yamano, T | 1 |
| Eser, BE; Fitzpatrick, PF | 1 |
| An, SM; Boo, YC; Koh, JS | 1 |
| Bigelow, DJ; Camp, DG; Chen, B; Chin, MH; Heibeck, TH; Jacobs, JM; Monroe, ME; Petritis, BO; Pounds, JG; Qian, WJ; Schepmoes, AA; Smith, DJ; Smith, RD; Yang, F; Zhang, X | 1 |
| Area, E; Artuch, R; Cormand, B; Drakaki, K; Garcia-Cazorla, A; Giannakopoulos, A; Kanavakis, E; Orfanou, I; Ormazabal, A; Pons, R; Ribasés, M; Serrano, M; Toma, C; Youroukos, S | 1 |
| SEALOCK, RR | 1 |
| Chen, ZW; Datta, S; Dubois, JL; Klinman, JP; Mathews, FS | 1 |
| Robinson, WE; Sugumaran, M | 1 |
| Bendlin, BB; Buyan-Dent, L; Christian, BT; Dejesus, OT; Gallagher, CL; Harding, SJ; Holden, JE; Johnson, SC; Mueller, B; Nickles, RJ; Stone, CK | 1 |
| Liu, YM; McCullum, C; Sanders, T; Tchounwou, PB; Wu, H; Yuan, B; Zheng, Y | 1 |
| Brown, BE; Dalsgaard, TK; Davies, MJ; Nielsen, JH; Stadler, N | 1 |
| Blau, N; Dill, P; Jakobs, C; Schneider, J; Tekin, M; Thöny, B; Trachsel, D; Weber, P | 1 |
| Abe, H; Hirobe, T; Ito, S; Kawa, Y; Soma, Y; Takeuchi, S; Wakamatsu, K; Yoshihara, C | 1 |
| Choi, S; DiSilvio, B; Fernstrom, JD; Fernstrom, MH | 1 |
| Hsieh, CH; Huang, F; Kuo, HK; Wang, CJ; Wu, PC; Wu, YC | 1 |
| Acosta-Motos, JR; Arribas, E; Garcia-Cánovas, F; Garcia-Molina, F; Garcia-Ruíz, PA; Muñoz-Muñoz, JL; Rodríguez-López, JN; Tudela, J | 1 |
| Gillaspy, G; Harich, K; Li, J; Torrens-Spence, MP; White, RH; Zhao, B | 1 |
| Bongiovanni, R; Brodnik, Z; Double, M; Jaskiw, GE | 1 |
| Cho, D; Estrellas, K; Furtado, S; Geman, N; Hopson, R; Laulicht, B; Mancini, A; Mathiowitz, E; Tripathi, A | 1 |
| Bongiovanni, R; Jaskiw, GE; Kyser, AN | 1 |
| Cha, HJ; Choi, YS; Yang, B; Yang, YJ | 1 |
| Fukui, M; Kang, KS; Wen, Y; Yamabe, N; Zhu, BT | 1 |
| Chen, Z; Li, X; Li, Y; Pan, J; Yang, F | 1 |
| Bahri, MA; Bardiès, M; Bretin, F; Lemaire, C; Libert, L; Luxen, A; Mauxion, T; Plenevaux, A; Seret, A; Warnock, G | 1 |
| Afshar-Oromieh, A; Combs, SE; Debus, J; Giesel, FL; Haberkorn, U; Kratochwil, C; Leotta, K; Rieken, S | 1 |
| Chaloupkova, R; Damborsky, J; Janata, J; Kamenik, Z; Kutejova, E; Mareckova, M; Mojzes, P; Novak, P; Novotna, J; Olsovska, J; Spizek, J; Tichy, P | 1 |
| Chen, WQ; dos Santos-Pinto, JR; Hardy, JG; Heo, S; Lamprecht, G; Lubec, G; Palma, MS; Priewalder, H; Scheibel, TR | 1 |
| Chen, PW; Chien, YH; Hwu, WL; Lee, NC; Wang, PC; Wu, JY | 1 |
| Bendlin, BB; Buyan-Dent, L; Christian, BT; DeJesus, OT; Gallagher, CL; Harding, SJ; Holden, JE; Li, CT; Nickles, RJ; Oh, J; Okonkwo, O; Palotti, M; Stone, CK | 1 |
| Baker, PJ; Numata, K | 1 |
| Bluemel, C; Buck, AK; Czernin, J; Ernestus, RI; Herrmann, K; Homola, GA; Kessler, AF; Lapa, C; Linsenmann, T; Löhr, M; Monoranu, CM; Samnick, S | 1 |
| Cardoso, MA; de Carvalho, KA; de Francisco, TM; de Oliveira Vilhena, R; Gasparetto, JC; Guimarães de Francisco, TM; Martins, CA; Pontarolo, R; Ribeiro, RP | 1 |
| Cai, H; Fu, Z; Xu, F | 1 |
| Chandrasekaran, N; Dimartino, S; Fee, CJ; Gieseg, SP; Janmale, T | 1 |
| Cao, L; Hao, H; Hao, K; Li, F; Liu, H; Qi, Q; Wang, H | 1 |
| Franci, X; Genon, JL; Giacomelli, F; Kuci, S; Lemaire, C; Libert, L; Luxen, A | 1 |
| Albert, VA; Calderón-Vázquez, C; Fernández-Cortes, A; Herrera-Estrella, A; Herrera-Estrella, L; Ibarra-Laclette, E; Molina-Torres, J; Olivares-Romero, JL; Pérez-Torres, CA; Ramírez-Chávez, E; Zamudio-Hernández, F | 1 |
| Harada, N; Kakiuchi, T; Kanazawa, M; Muramatsu, S; Ohba, H; Tsukada, H | 1 |
| Agarwal, P; Dubey, S; Pareek, N; Singh, J; Singh, RP | 1 |
| Bishnoi, P; Charde, SY; Raut, PP | 1 |
| Beberok, A; Buszman, E; Rzepka, Z; Wrześniok, D | 1 |
| Asanuma, M; Miyazaki, I | 1 |
| Alvarez, LA; Bourke, B; Cean, A; Daff, S; Friedmacher, F; Ghişe, A; Gosemann, JH; Knaus, UG; Kovačič, L; Kubica, M; Pircalabioru, GG; Plettner, E; Puri, P; Rodríguez, J; Sărăndan, MB; von Kriegsheim, A | 1 |
| Arnaboldi, S; Benincori, T; Cirilli, R; Grecchi, S; Mussini, PR; Sannicolò, F; Santagostini, L | 1 |
| Akiyama, M; Akiyama, T; Hanaoka, Y; Hayashi, Y; Kobayashi, K; Kubota, M; Nakamura, K; Shibata, T; Tsuyusaki, Y; Yoshinaga, H | 1 |
| Arbizu, J; Galldiks, N; Langen, KJ; Law, I; Pope, WB | 1 |
| Herrman, L; Kinkel, M; Muhlack, S; Müller, T | 1 |
| Ito, S; Nagao, A; Nakao, K; Wakamatsu, K; Watanabe, M | 1 |
| Bahri, MA; Becker, G; Garraux, G; Hustadt, F; Lemaire, C; Luxen, A; Michel, A; Plenevaux, A | 1 |
| Fishman, A; Isaschar-Ovdat, S | 1 |
| Gao, L; Liang, F; Tao, L; Weng, J; Xu, W; Yu, J; Zhang, J; Zheng, J | 1 |
| Shigemori, H; Takase, M; Tsunoda, T | 1 |
| Baro, A; Bilitewski, U; Laschat, S; Neidhardt, MM; Schmitt, K; Schneider, C | 1 |
| Kim, Y; Lee, S; Ryu, JH; Shin, SS; Yoon, KD | 1 |
| Alapati, R; Allen, BD; Blaesi, EJ; Boal, AK; Bollinger, JM; Griffin, RG; Hu, K; Kim, AJ; Kim, HJ; Krebs, C; Laremore, TN; Lougee, MG; Matthews, ML; Palowitch, GM; Rose, HR; Silakov, A; Taguchi, AT; Tan, KO | 1 |
| Branca, RMM; Cox, N; Eirich, J; Högbom, M; Kutin, Y; Lebrette, H; Lerche, M; Lundin, D; Sahlin, M; Sjöberg, BM; Srinivas, V | 1 |
| Bellu, L; Bertin, D; Caccese, M; Cuppari, L; Evangelista, L; Lombardi, G; Reccia, P; Zagonel, V | 1 |
| Fan, GC; Han, DM; Wang, C; Xue, TY; Yu, SY; Zhao, WW; Zhu, LB | 1 |
| Bilotto, P; De Santo, MP; Deepankumar, K; Labate, C; Miserez, A; Zappone, B | 1 |
| Fernandez-Julia, PJ; Garcia-Canovas, F; Garcia-Jimenez, A; Garcia-Molina, F; Munoz-Munoz, JL; Tudela-Serrano, J | 1 |
| Du, D; Guo, N; Liu, W; Shang, Q; Wu, Y; Zhang, L | 1 |
| Choi, J; Hasturk, O; Kaplan, DL; Mu, X; Sahoo, JK | 1 |
| Hayakawa, T; Higaki, Y; Kamitani, K; Ohigashi, T; Takahara, A | 1 |
| Chen, H; Chen, Y; Feng, XY; Hong, F; Li, GW; Li, J; Liu, JH; Zhang, Y; Zhu, JX | 1 |
| Chen, EH; Dou, W; Hou, QL; Wang, JJ; Yang, PJ | 1 |
| Barayeu, U; Denysenkov, V; Dick, TP; Gharibi, H; Gräter, F; Kappl, R; Kurth, M; Kuzhelev, A; Noack, K; Prisner, TF; Riedmiller, K; Zilke, J; Zubarev, RA | 1 |
54 review(s) available for dihydroxyphenylalanine and tyrosine
| Article | Year |
|---|---|
Factors regulating growth and pigmentation of melanoma cells.
Topics: Animals; Bone Neoplasms; Bromodeoxyuridine; Catechol Oxidase; Cell Division; Cell Line; Cell Transformation, Neoplastic; Cricetinae; Cyclic AMP; Dihydroxyphenylalanine; Melanins; Melanocyte-Stimulating Hormones; Melanocytes; Melanoma; Mice; Neoplasms, Experimental; Oncogenic Viruses; Pigmentation; Tyrosine | 1976 |
Pyrrolo(1,4)benzodiazepine antitumor antibiotics. Comparative aspects of anthramycin, tomaymycin and sibiromycin.
Topics: Animals; Anthramycin; Antibiotics, Antineoplastic; Benzodiazepinones; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; DNA; Humans; Kinetics; Microbial Sensitivity Tests; Streptomyces; Structure-Activity Relationship; Tyrosine | 1977 |
Compartmentation of synaptosomal dopamine.
Topics: Acetylcholine; Amphetamine; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Potassium; Receptors, Cholinergic; Receptors, Dopamine; Synapses; Synaptosomes; Tyrosine | 1978 |
Monoamine precursors and analogues.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Drug Interactions; Drug Synergism; Humans; Levodopa; Mice; Parkinson Disease; Rats; Receptors, Drug; Stimulation, Chemical; Tremor; Tryptophan; Tyrosine | 1975 |
The common pathophysiology of monaminergic psychoses: a new hypothesis.
Topics: 5-Hydroxytryptophan; Amino Acids; Biological Transport, Active; Bipolar Disorder; Blood-Brain Barrier; Brain; Catecholamines; Clomipramine; Dihydroxyphenylalanine; Dopamine; Electroconvulsive Therapy; Humans; Lithium; Lysergic Acid Diethylamide; Models, Biological; Monoamine Oxidase Inhibitors; Psychotic Disorders; Schizophrenia; Serotonin; Tranquilizing Agents; Tryptophan; Tyrosine | 1975 |
The nature of tyrosinase isozymes.
Topics: Albinism, Oculocutaneous; Animals; Catalase; Dihydroxyphenylalanine; Genes; Glycoproteins; Isoenzymes; Melanins; Melanocytes; Mice; Mice, Mutant Strains; Monophenol Monooxygenase; Multigene Family; Pigmentation Disorders; Tyrosine | 1992 |
A critical assessment of methods for the determination of monoamine synthesis turnover rates in vivo.
Topics: Amino Acids; Animals; Biogenic Amines; Carboxy-Lyases; Catecholamines; Chromatography, Gas; Dihydroxyphenylalanine; Dopamine; Evaluation Studies as Topic; Kinetics; Mass Spectrometry; Methods; Norepinephrine; Probenecid; Serotonin; Time Factors; Transaminases; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Short- and long-term regulation of tyrosine hydroxylase.
Topics: Animals; Binding Sites; Brain; Brain Stem; Chlorpromazine; Corpus Striatum; Dibenzothiepins; Dihydroxyphenylalanine; Dopamine; Haloperidol; Hypothalamus; Norepinephrine; Pimozide; Piperazines; Protein Binding; Rats; Reserpine; Sulfides; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Some aspects of dopamine in the central nervous system.
Topics: 5-Hydroxytryptophan; Acetylcholine; Animals; Apomorphine; Brain; Brain Stem; Cerebral Cortex; Cerebral Ventricles; Dihydroxyphenylalanine; Dopamine; Ethanol; Ethyl Ethers; Feedback; Haloperidol; Homovanillic Acid; Hydroxybutyrates; Hypoxia, Brain; Male; Methods; Methyltyrosines; Rats; Receptors, Drug; Social Environment; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
The regulation of the noradrenergic neuron.
Topics: Binding, Competitive; Catecholamines; Cell Membrane; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Enzyme Inhibitors; Exocytosis; Humans; Neurons; Norepinephrine; Phenylalanine; Sympathetic Nervous System; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
[Biochemical treatment possibilities in psychoses].
Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine | 1969 |
Mechanism of transmitter release.
Topics: Acetylcholine; Animals; Calcium; Cell Membrane; Cell Membrane Permeability; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Enzymes; Kinetics; Magnesium; Mathematics; Mitochondria; Models, Biological; Models, Neurological; Norepinephrine; Parasympathetic Nervous System; Sympathetic Nervous System; Synapses; Synaptic Transmission; Tyrosine | 1970 |
The importance of monoamine metabolism for the pathology of the extrapyramidal system.
Topics: Aged; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Catechol Oxidase; Catecholamines; Chorea; Dihydroxyphenylalanine; Dopamine; Humans; Kinetics; Methyltyrosines; Middle Aged; NAD; Parkinson Disease; Rats; Tritium; Tyrosine | 1969 |
Central cholinergic mechanism and behavior.
Topics: Acetylcholine; Acetylcholinesterase; Animals; Behavior, Animal; Brain; Consciousness; Dihydroxyphenylalanine; Emotions; Feeding Behavior; Hypothalamus; Learning; Memory; Motor Activity; Neurons; Neurophysiology; Parasympatholytics; Parasympathomimetics; Serotonin; Sleep; Synapses; Synaptic Membranes; Synaptic Transmission; Tyrosine; Wakefulness | 1971 |
[The role of dopamine in the physiology and pathology of the basal ganglia].
Topics: Basal Ganglia; Brain; Caudate Nucleus; Chlorpromazine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Globus Pallidus; Haloperidol; Histocytochemistry; Humans; Hyperkinesis; Microscopy, Electron; Neurons; Norepinephrine; Parkinson Disease; Substantia Nigra; Synaptic Transmission; Tranquilizing Agents; Tritium; Tyrosine | 1972 |
Psychoactive drugs and brain neurochemical transmitters.
Topics: Amphetamine; Antidepressive Agents; Butyrophenones; Chlorpromazine; Deamination; Desipramine; Dihydroxyphenylalanine; Methylation; Neurons; Norepinephrine; Phenothiazines; Receptors, Drug; Reserpine; Synapses; Synaptic Transmission; Tyrosine | 1972 |
Dopamine and psychotic states: preliminary remarks.
Topics: Amphetamine; Animals; Apomorphine; Behavior, Animal; Carbon Radioisotopes; Cats; Cocaine; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Methylphenidate; Pemoline; Phenmetrazine; Pimozide; Psychoses, Substance-Induced; Psychotic Disorders; Rats; Receptors, Cell Surface; Species Specificity; Stereotyped Behavior; Thioridazine; Tyrosine | 1974 |
Structure, chemistry, and biosynthesis of the melanins.
Topics: Animals; Birds; Carbon Radioisotopes; Catechol Oxidase; Catechols; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopamine; Electron Spin Resonance Spectroscopy; Eye; Feathers; Hair; Humans; Indoles; Liver; Magnetic Resonance Spectroscopy; Melanins; Melanoma; Mice; Oxidation-Reduction; Pyrroles; Rats; Spectrophotometry, Ultraviolet; Tyrosine; X-Ray Diffraction | 1974 |
Steric aspects of adrenergic drugs.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Cats; Central Nervous System; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopamine; Epinephrine; Guinea Pigs; Male; Neurons; Norepinephrine; Rabbits; Rats; Stereoisomerism; Sympatholytics; Sympathomimetics; Tachyphylaxis; Tyrosine | 1970 |
[Catecholamines].
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Catecholamines; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Epinephrine; Fatty Acids, Nonesterified; Glucosyltransferases; Norepinephrine; Rats; Receptors, Adrenergic; Tyrosine | 1971 |
Appraisal of current methods to estimate the turnover rate of serotonin and catecholamines in human brain.
Topics: Animals; Brain; Catecholamines; Cats; Dihydroxyphenylalanine; Dopamine; Glycolates; Guinea Pigs; Humans; Hydroxyindoleacetic Acid; Kinetics; Models, Biological; Norepinephrine; Phenylacetates; Rats; Serotonin; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Catecholamines.
Topics: Adrenal Medulla; Affective Symptoms; Animals; Brain; Catechol O-Methyltransferase; Catecholamines; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Humans; Hypertension; Methyldopa; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Nerve Endings; Neurons; Parkinson Disease; Receptors, Drug; Sympathetic Nervous System; Sympathomimetics; Synaptic Transmission; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Aminergic neurons and substitute transmitters in brain.
Topics: Amines; Amphetamine; Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Metaraminol; Neurotransmitter Agents; Norepinephrine; Phenethylamines; Potassium; Serotonin; Sympathetic Nervous System; Synaptic Transmission; Synaptic Vesicles; Tyrosine | 1972 |
Neural and hormonal control of catecholamine synthesis.
Topics: Adrenal Medulla; Adrenocorticotropic Hormone; Animals; Brain Stem; Catecholamines; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Epinephrine; Ganglia, Autonomic; Guinea Pigs; Mice; Norepinephrine; Phenethylamines; Phenoxybenzamine; Pituitary Gland; Rabbits; Rats; Reserpine; Sympathetic Nervous System; Thyroxine; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
[Other trials with drug therapy in parkinsonism].
Topics: 5-Hydroxytryptophan; Amitriptyline; Animals; Dihydroxyphenylalanine; Disulfiram; Drug Evaluation; Drug Therapy, Combination; Humans; Imipramine; Methyldopa; Monoamine Oxidase Inhibitors; Parkinson Disease; Picolinic Acids; Rats; Serine; Time Factors; Tryptophan; Tyrosine | 1973 |
Central dopamine function in affective illness: evidence from precursors, enzyme inhibitors, and studies of central dopamine turnover.
Topics: Adult; Affective Symptoms; Anger; Bipolar Disorder; Central Nervous System; Depression; Diagnosis, Differential; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Female; Homovanillic Acid; Humans; Male; Methyltyrosines; Middle Aged; Norepinephrine; Picolinic Acids; Probenecid; Psychiatric Nursing; Psychotic Disorders; Time Factors; Tyrosine | 1974 |
[Enzymatic aspect of adrenaline biosynthesis].
Topics: Adrenal Medulla; Animals; Catecholamines; Chromaffin System; Cytoplasm; Dihydroxyphenylalanine; Dopamine; Epinephrine; Methylation; Mixed Function Oxygenases; Norepinephrine; Tyrosine | 1968 |
Biosynthesis and metabolism of the catecholamines.
Topics: Brain; Catecholamines; Dihydroxyphenylalanine; Dopa Decarboxylase; Epinephrine; Female; Glycols; Isoenzymes; Monoamine Oxidase; Norepinephrine; Parkinson Disease; Tyrosine; Uterus | 1970 |
Adrenergic mechanisms in the sinus node.
Topics: Animals; Chemoreceptor Cells; Dihydroxyphenylalanine; Dogs; Dopamine; Epinephrine; Humans; Isoproterenol; Norepinephrine; Phenylalanine; Pulse; Sinoatrial Node; Sympathetic Nervous System; Sympatholytics; Sympathomimetics; Tyrosine; Vasoconstrictor Agents | 1970 |
Assay of enzymes of catecholamine biosynthesis and metabolism.
Topics: Amino Alcohols; Animals; Carbon Isotopes; Catechols; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Epinephrine; Methods; Methyltransferases; Mixed Function Oxygenases; Monoamine Oxidase; Pargyline; Pteridines; Rats; S-Adenosylmethionine; Transferases; Tritium; Tyramine; Tyrosine | 1971 |
Metabolic modification of Parkinson's disease and of chronic manganese poisoning.
Topics: Animals; Brain; Choline; Chronic Disease; Dihydroxyphenylalanine; Drug Synergism; Humans; Manganese Poisoning; Melatonin; Methionine; Monoamine Oxidase Inhibitors; Parkinson Disease; Phenylalanine; Poisoning; Pyridoxine; Tryptophan; Tyrosine | 1971 |
[Physiology of the skin melanocyte in mammals].
Topics: Animals; Catechol Oxidase; Chromatophores; Cricetinae; Dihydroxyphenylalanine; Guinea Pigs; Humans; Mammals; Melanins; Melanocytes; Mice; Microscopy, Electron; Phagocytosis; Pigmentation; Skin; Tyrosine | 1971 |
Neurotransmitter precursors for the treatment of depression.
Topics: 5-Hydroxytryptophan; Animals; Antidepressive Agents; Biogenic Amines; Catecholamines; Depressive Disorder; Dihydroxyphenylalanine; Humans; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1982 |
Tyrosine for the treatment of depression.
Topics: 5-Hydroxytryptophan; Adult; Animals; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Double-Blind Method; Female; Humans; Methoxyhydroxyphenylglycol; Tryptophan; Tyrosine | 1984 |
Recent advances in the chemistry of melanogenesis in mammals.
Topics: Animals; Chemical Phenomena; Chemistry; Cysteine; Dihydroxyphenylalanine; Glutathione; Humans; Melanins; Melanocytes; Monophenol Monooxygenase; Pigmentation; Pigments, Biological; Thiazines; Tyrosine | 1980 |
Protein-radical enzymes.
Topics: Dihydroxyphenylalanine; Enzymes; Free Radicals; Glycine; Molecular Structure; PQQ Cofactor; Quinolones; Tryptophan; Tyrosine | 1993 |
Modulation of biological tyrosine reactions by tyrosine phosphorylation.
Topics: Animals; Cell Differentiation; Cell Division; Dihydroxyphenylalanine; Diiodotyrosine; Free Radicals; Humans; Monoiodotyrosine; Phosphorylation; Phosphotyrosine; Tyrosine | 1995 |
Copper amine oxidase: a novel use for a tyrosine.
Topics: Amine Oxidase (Copper-Containing); Bacterial Proteins; Binding Sites; Catalysis; Dihydroxyphenylalanine; Escherichia coli; Models, Chemical; Oxidation-Reduction; Protein Conformation; Quaternary Ammonium Compounds; Tyrosine | 1995 |
Vitiligo, psoralen, and melanogenesis: some observations and understanding.
Topics: Animals; Dihydroxyphenylalanine; Disease Models, Animal; Furocoumarins; Humans; Indoles; Lead; Melanins; Skin; Superoxide Dismutase; Tryptophan; Tyrosine; Tyrosine Transaminase; Ultraviolet Rays; Vitiligo | 1996 |
Lag kinetics of tyrosinase: its physiological implications.
Topics: Allosteric Site; Animals; Binding, Competitive; Dihydroxyphenylalanine; Enzyme Activation; Hydrogen-Ion Concentration; Kinetics; Melanins; Monophenol Monooxygenase; Skin; Tyrosine | 1996 |
Structure and biogenesis of topaquinone and related cofactors.
Topics: Amine Oxidase (Copper-Containing); Binding Sites; Copper; Dihydroxyphenylalanine; Galactose Oxidase; Lysine; Mechanics; Models, Molecular; Oxidation-Reduction; Quinones; Tyrosine | 1999 |
A review of recent advances on the regulation of pigmentation in the human epidermis.
Topics: Albinism, Oculocutaneous; alpha-MSH; Biopterins; Dihydroxyphenylalanine; Enzyme Activation; Epidermis; Humans; Hydrogen Peroxide; Hydrogen-Ion Concentration; Intramolecular Oxidoreductases; Keratinocytes; Melanocytes; Melanosomes; Membrane Glycoproteins; Membrane Proteins; Monophenol Monooxygenase; Oxidative Stress; Oxidoreductases; Phenylalanine; Phenylalanine Hydroxylase; Pro-Opiomelanocortin; Proteins; Racial Groups; Recombinant Fusion Proteins; Skin Pigmentation; Transfection; Tyrosine; Tyrosine 3-Monooxygenase; Vitiligo | 1999 |
RECENT ADVANCES IN THE BIOCHEMICAL, PHARMACOLOGICAL AND CLINICAL ASPECTS OF PHEOCHROMOCYTOMA.
Topics: Biochemical Phenomena; Biochemistry; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Humans; Mandelic Acids; Norepinephrine; Pharmacology; Phenethylamines; Pheochromocytoma; Sympathomimetics; Tyrosine | 1963 |
De novo biosynthesis of morphine in animal cells: an evidence-based model.
Topics: Alkaloids; Animals; Benzylisoquinolines; Dihydroxyphenylalanine; Models, Biological; Molecular Structure; Morphine; Papaver; Stereoisomerism; Tyrosine | 2006 |
Tyrosine, phenylalanine, and catecholamine synthesis and function in the brain.
Topics: Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Hydroxylation; Kinetics; Phenylalanine; Rats; Retina; Tyrosine | 2007 |
Selective fluorogenic derivatization of 3-nitrotyrosine and 3,4-dihydroxyphenylalanine in peptides: a method designed for quantitative proteomic analysis.
Topics: Animals; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Fluorescent Dyes; Humans; Models, Chemical; Peptides; Proteomics; Spectrometry, Fluorescence; Tandem Mass Spectrometry; Tyrosine | 2008 |
PET imaging of brain tumors.
Topics: Biopsy; Brain; Brain Neoplasms; Cell Proliferation; Diagnostic Imaging; Dihydroxyphenylalanine; Fluorodeoxyglucose F18; Humans; Lipids; Medical Oncology; Methionine; Positron-Emission Tomography; Radiopharmaceuticals; Tyrosine | 2008 |
[Biosynthesis, storage and release of dopamine at the level of the dopaminergic nigro-neostriatal system].
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Dopamine Agents; Dopamine Antagonists; Humans; Neostriatum; Nerve Tissue Proteins; Norepinephrine; Rats; Substantia Nigra; Synaptic Vesicles; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Bioactive dehydrotyrosyl and dehydrodopyl compounds of marine origin.
Topics: Animals; Anti-Bacterial Agents; Antineoplastic Agents; Aquatic Organisms; Biological Products; Dihydroxyphenylalanine; Invertebrates; Peptides; Polycyclic Compounds; Tyrosine | 2010 |
Structure and post-translational modifications of the web silk protein spidroin-1 from Nephila spiders.
Topics: Animals; Dihydroxyphenylalanine; Fibroins; Mass Spectrometry; Oxidation-Reduction; Protein Processing, Post-Translational; Spiders; Tyrosine | 2014 |
From tyrosine to melanin: Signaling pathways and factors regulating melanogenesis.
Topics: Animals; Benzoquinones; Cytokines; Dihydroxyphenylalanine; Gene Expression Regulation, Enzymologic; Hormones; Humans; Indolequinones; Indoles; Melanins; Melanosomes; Monophenol Monooxygenase; Signal Transduction; Tyrosine; Ultraviolet Rays | 2016 |
The use of amino acid PET and conventional MRI for monitoring of brain tumor therapy.
Topics: Amino Acids; Brain Neoplasms; Dihydroxyphenylalanine; Humans; Methionine; Positron-Emission Tomography; Radiopharmaceuticals; Tyrosine | 2017 |
Accuracy of
Topics: Brain Neoplasms; Diagnosis, Differential; Dihydroxyphenylalanine; Humans; Neoplasm Recurrence, Local; Positron Emission Tomography Computed Tomography; Prospective Studies; Radiation Injuries; Retrospective Studies; Tyrosine | 2018 |
Comparison Between 18F-Dopa and 18F-Fet PET/CT in Patients with Suspicious Recurrent High Grade Glioma: A Literature Review and Our Experience.
Topics: Brain Neoplasms; Dihydroxyphenylalanine; Glioma; Humans; Neoplasm Recurrence, Local; Positron Emission Tomography Computed Tomography; Radiopharmaceuticals; Tyrosine | 2019 |
10 trial(s) available for dihydroxyphenylalanine and tyrosine
| Article | Year |
|---|---|
Metatyrosine in the treatment of parkinsonism.
Topics: Animals; Clinical Trials as Topic; Dihydroxyphenylalanine; Humans; Intestinal Absorption; Mice; Middle Aged; Parkinson Disease; Rats; Tyrosine | 1972 |
Modification of Parkinsonism--chronic treatment with L-dopa.
Topics: Adult; Aged; Agranulocytosis; Aromatic Amino Acid Decarboxylase Inhibitors; Blood Urea Nitrogen; Blood-Brain Barrier; Chronic Disease; Dihydroxyphenylalanine; Dopamine; Feeding and Eating Disorders; Female; Humans; Huntington Disease; Male; Manganese; Mental Processes; Methyldopa; Middle Aged; Movement Disorders; Nausea; Neurologic Manifestations; Parkinson Disease; Phenylacetates; Placebos; Thyroid Function Tests; Tyrosine; Vomiting | 1969 |
The serotonin-catecholamine-dream bicycle: a clinical study.
Topics: 5-Hydroxytryptophan; Aged; Brain; Brain Chemistry; Catecholamines; Clinical Trials as Topic; Dihydroxyphenylalanine; Dreams; Electroencephalography; Female; Fenclonine; Humans; Male; Mental Disorders; Middle Aged; Monoamine Oxidase Inhibitors; Phenylalanine; Serotonin; Sleep; Sleep, REM; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
[Fundamental study on the treatment of retinitis pigmentosa].
Topics: Adolescent; Adult; Aged; Amino Acids; Animals; Antidotes; Anura; Clinical Trials as Topic; Dihydroxyphenylalanine; Electroretinography; Female; Hormones; Humans; In Vitro Techniques; Light; Lipids; Male; Melanocyte-Stimulating Hormones; Middle Aged; Peroxides; Phenylalanine; Rats; Regeneration; Reserpine; Retinal Degeneration; Retinal Pigments; Retinitis Pigmentosa; Tetrabenazine; Tyrosine; Vasodilator Agents; Vitamins | 1969 |
Oral L-dopa treatment of parkinsonism.
Topics: Clinical Trials as Topic; Dihydroxyphenylalanine; Dopamine; Humans; Parkinson Disease; Phenylacetates; Physical Therapy Modalities; Placebos; Tyrosine | 1970 |
Clinical and animal experiments concerning the function of brain catecholamines.
Topics: Animals; Antidepressive Agents; Aromatic Amino Acid Decarboxylase Inhibitors; Benserazide; Brain; Catecholamines; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Dopamine; Form Perception; Humans; Lithium; Locomotion; Monoamine Oxidase Inhibitors; Norepinephrine; Pargyline; Placebos; Rats; Reaction Time; Reserpine; Schizophrenia; Serotonin; Stimulation, Chemical; Time Factors; Tyrosine | 1971 |
Tyrosine for the treatment of depression.
Topics: 5-Hydroxytryptophan; Adult; Animals; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Double-Blind Method; Female; Humans; Methoxyhydroxyphenylglycol; Tryptophan; Tyrosine | 1984 |
Pharmacokinetic-pharmacodynamic interaction between BIA 3-202, a novel COMT inhibitor, and levodopa/benserazide.
Topics: Acetophenones; Adolescent; Adult; Antiparkinson Agents; Area Under Curve; Benserazide; Catechol O-Methyltransferase Inhibitors; Cross-Over Studies; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Double-Blind Method; Drug Combinations; Drug Interactions; Female; Half-Life; Humans; Levodopa; Male; Middle Aged; Tyrosine | 2003 |
Chronic levodopa intake increases levodopa plasma bioavailability in patients with Parkinson's disease.
Topics: Adult; Aged; Analysis of Variance; Antiparkinson Agents; Area Under Curve; Benserazide; Biological Availability; Dihydroxyphenylalanine; Drug Administration Routes; Drug Administration Schedule; Female; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Time Factors; Tyrosine | 2004 |
Homocysteine levels after acute levodopa intake in patients with Parkinson's disease.
Topics: Aged; Analysis of Variance; Antiparkinson Agents; Dihydroxyphenylalanine; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Severity of Illness Index; Statistics as Topic; Time Factors; Tyrosine | 2009 |
844 other study(ies) available for dihydroxyphenylalanine and tyrosine
| Article | Year |
|---|---|
Comparison of the accuracy of experimental and predicted pKa values of basic and acidic compounds.
Topics: Chemistry, Pharmaceutical; Forecasting; Hydrogen-Ion Concentration; Pharmaceutical Preparations; Random Allocation | 2014 |
Evaluation of scavenging rate constants of DOPA and tyrosine enantiomers against multiple reactive oxygen species and methyl radical as measured with ESR trapping method.
Topics: Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Free Radical Scavengers; Kinetics; Levodopa; Methane; Reactive Oxygen Species; Spin Trapping; Stereoisomerism; Tyrosine | 2015 |
Effects of stereochemical structures of tetrahydropterins on tyrosine hydroxylase.
Topics: Adrenal Medulla; Animals; Cattle; Dihydroxyphenylalanine; In Vitro Techniques; Kinetics; Molecular Conformation; Pterins; Stereoisomerism; Structure-Activity Relationship; Tyrosine; Tyrosine 3-Monooxygenase | 1975 |
Tyrosine hydroxylase in snail (Helix pomatia) nervous tissue.
Topics: Animals; Brain; Dihydroxyphenylalanine; Dopamine; Helix, Snails; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Rats; Snails; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1976 |
Effect of 6-hydroxydopamine on dopa and tyrosine entry into brain.
Topics: Alanine; Animals; Brain; Dihydroxyphenylalanine; Hydroxydopamines; Norepinephrine; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1976 |
The use of L-3,5-[3H]-tyrosine and the measurement of tritiated water to estimate DA turnover in central dopaminergic terminals.
Topics: Amphetamine; Animals; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydrazines; In Vitro Techniques; Methods; Pargyline; Rats; Receptors, Dopamine; Tranquilizing Agents; Tritium; Tyrosine | 1976 |
Regulation of catecholamine biosynthesis in a transplantable rat pheochromocytoma.
Topics: Animals; Brocresine; Calcium; Cells, Cultured; Chromaffin System; Cycloheximide; Dihydroxyphenylalanine; Enzyme Activation; Methyltyrosines; Neoplasms, Experimental; Norepinephrine; Pargyline; Pheochromocytoma; Potassium; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Effect of hypercapnia and hypocapnia on tryptophan and tyrosine hydroxylation in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Ammonia; Animals; Brain; Carbohydrate Metabolism; Carbon Dioxide; Dihydroxyphenylalanine; Hydrazines; Hydrogen-Ion Concentration; Hydroxylation; Hypercapnia; Male; Partial Pressure; Phosphates; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1977 |
Physiological control of brain catechol synthesis by brain tyrosine concentration.
Topics: Amino Acids; Animals; Brain; Catechols; Dietary Proteins; Dihydroxyphenylalanine; Fenclonine; Male; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Catecholamine and protein synthesis in the eyes of Aplysia californica.
Topics: Animals; Aplysia; Catecholamines; Dihydroxyphenylalanine; Dopamine; Eye; Eye Proteins; Microscopy, Electron; Molecular Weight; Tyrosine | 1977 |
Biochemical aspects of dopamine (3,4-dihydroxyphenethylamine) in an invertebrate nervous system: uptake, metabolism and analysis of receptors [proceedings].
Topics: Animals; Central Nervous System; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Invertebrates; Snails; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Effect of hypoxia on monoamine synthesis in brains of developing rats. II. Different length of exposure.
Topics: Animals; Brain; Dihydroxyphenylalanine; Hypoxia; Rats; Serotonin; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Effect of hypoxia on monoamine synthesis in brains of developing rats. III. Various O2 levels.
Topics: 5-Hydroxytryptophan; Animals; Animals, Newborn; Brain; Dihydroxyphenylalanine; Female; Hypoxia; Norepinephrine; Oxygen Consumption; Pregnancy; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1978 |
Effects of gonadectomy and hormone replacement on brain monoamine synthesis in male rats.
Topics: 5-Hydroxytryptophan; Animals; Brain; Castration; Catecholamines; Dihydroxyphenylalanine; Male; Rats; Testosterone; Time Factors; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Regional changes in monoamine synthesis in the developing rat brain during hypoxia.
Topics: 5-Hydroxytryptophan; Age Factors; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Hydrazines; Hypoxia, Brain; Nitrous Oxide; Oxygen Consumption; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Regulation of melanin production by Cryptococcus neoformans.
Topics: Catechol Oxidase; Cryptococcus; Cryptococcus neoformans; Dihydroxyphenylalanine; Enzyme Repression; Glucose; Glutamine; Hydrogen-Ion Concentration; Melanins; Species Specificity; Temperature; Tyrosine; Ustilaginales | 1979 |
Demonstration of 3-methoxytyrosine in the urine of melanoma patients.
Topics: Chromatography, Gas; Dihydroxyphenylalanine; Dopamine; Female; Humans; Male; Mass Spectrometry; Melanoma; Middle Aged; Neoplasm Metastasis; Skin Neoplasms; Tyrosine | 1976 |
Biosynthesis of noradrenaline in C1300 mouse neuroblastoma [proceedings].
Topics: Animals; Dihydroxyphenylalanine; Mice; Neoplasms, Experimental; Neuroblastoma; Norepinephrine; Phenylalanine; Tyrosine | 1978 |
Subunit differences among the multiple forms of mushroom tyrosinase [proceedings].
Topics: Basidiomycota; Catechol Oxidase; Dihydroxyphenylalanine; Isoenzymes; Monophenol Monooxygenase; Plants; Substrate Specificity; Tyrosine | 1979 |
A rapid quantitative analysis of tyrosine and its oxidation products by tyrosinase.
Topics: Alanine; Animals; Ascorbic Acid; Basidiomycota; Catechol Oxidase; Chemical Phenomena; Chemistry, Physical; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Guanidines; Monophenol Monooxygenase; Oxidation-Reduction; Rabbits; Tyrosine | 1978 |
Action of dopamine agonists on parkinson-like muscle rigidity induced by 6-aminonicotinamide.
Topics: 6-Aminonicotinamide; Animals; Brain Chemistry; Corpus Striatum; Diencephalon; Dihydroxyphenylalanine; Electromyography; Levodopa; Limbic System; Lisuride; Male; Muscles; Niacinamide; Parkinson Disease, Secondary; Rats; Tyrosine | 1979 |
Effects of cyclic adenosine 3',5'-monophosphate and its dibutyryl derivatives on catecholamine synthesis in bovine adrenal medullary slices.
Topics: Adenosine Monophosphate; Adrenal Medulla; Animals; Bucladesine; Butyrates; Catecholamines; Cattle; Cyclic AMP; Dihydroxyphenylalanine; In Vitro Techniques; Tyrosine | 1975 |
Effects of dibutyryl cyclic AMP on tyrosine uptake and metabolism in neuroblastoma cultures.
Topics: Animals; Bucladesine; Cell Line; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxylation; Methoxyhydroxyphenylglycol; Mice; Neuroblastoma; Norepinephrine; Time Factors; Tyrosine; Vanilmandelic Acid | 1975 |
Catecholamine receptor agonists: effects on motor activity and rate of tyrosine hydroxylation in mouse brain.
Topics: Animals; Apomorphine; Benzyl Compounds; Brain Stem; Cerebral Cortex; Clonidine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Female; Hydrazines; Hydroxylation; Limbic System; Mice; Motor Activity; Norepinephrine; Phentolamine; Receptors, Neurotransmitter; Reserpine; Time Factors; Tyrosine | 1976 |
Catecholamine synthesis in rat brain after axotomy: interaction between apomorphine and haloperidol.
Topics: Animals; Apomorphine; Brain; Catecholamines; Cerebral Cortex; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Drug Interactions; Feedback; Haloperidol; Limbic System; Male; Norepinephrine; Rats; Receptors, Adrenergic; Synaptic Transmission; Tyrosine | 1977 |
Dopaminergic neurons: effect of acute and chronic morphine administration on single cell activity and transmitter metabolism.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Dihydroxyphenylalanine; Male; Morphine; Naloxone; Neurons; Rats; Synaptic Transmission; Tyrosine | 1978 |
Nature of tyrosinase inactivation in melanosomes.
Topics: Animals; Ascorbic Acid; Cytochrome c Group; Dihydroxyphenylalanine; In Vitro Techniques; Melanocytes; Mice; Superoxides; Tyrosine | 1978 |
Effects of antidepressant agents on the synthesis of brain monoamines.
Topics: 5-Hydroxytryptophan; Animals; Antidepressive Agents, Tricyclic; Brain; Dihydroxyphenylalanine; Dopamine; Male; Norepinephrine; Rats; Receptors, Neurotransmitter; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 1978 |
Adaptation of brain monoamine synthesis to hypoxia in the rat.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Brain Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Hemoglobins; Hypoxia; Male; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1975 |
Oxotremorine- and atropine-induced changes of dopamine metabolism in the rat striatum.
Topics: Animals; Atropine; Benserazide; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Male; Oxotremorine; Rats; Tyrosine | 1975 |
Blood-brain movements of tryptophan and tyrosine in manic-depressive illness and schizophrenia.
Topics: Adult; Bipolar Disorder; Blood-Brain Barrier; Brain; Dihydroxyphenylalanine; Humans; Middle Aged; Schizophrenia; Serotonin; Tryptophan; Tyrosine | 1979 |
Age related changes in the effect of electroconvulsive shock (ECS) on the in vivo hydroxylation of tyrosine and tryptophan in rat brain.
Topics: 5-Hydroxytryptophan; Aging; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benzyl Alcohols; Brain; Dihydroxyphenylalanine; Electroshock; Hydrazines; Male; Rats; Tryptophan; Tyrosine | 1977 |
Dependence of 5-HT and catecholamine synthesis on concentrations of precursor amino-acids in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Haloperidol; Isoleucine; Kinetics; Male; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1978 |
Reaction of ozone with protease inhibitors from bovine pancreas, egg white, and human serum.
Topics: alpha 1-Antitrypsin; Dihydroxyphenylalanine; Egg White; Methionine; Oxidation-Reduction; Ozone; Pancreas; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Trypsin Inhibitors; Tyrosine | 1978 |
Monoamine metabolism during bicuculline-induced epileptic seizures in the rat.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Bicuculline; Brain; Catecholamines; Cerebellum; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Limbic System; Male; Norepinephrine; Rats; Receptors, Adrenergic; Receptors, Dopamine; Receptors, Serotonin; Seizures; Serotonin; Tryptophan; Tyrosine | 1978 |
Influence of transient ischemia on monoamine metabolism in the rat brain during nitrous oxide and phenobarbitone anaesthesia.
Topics: 5-Hydroxytryptophan; Anesthesia, Inhalation; Anesthesia, Intravenous; Animals; Brain; Catecholamines; Cerebellum; Cerebrovascular Circulation; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Ischemic Attack, Transient; Limbic System; Male; Nitrous Oxide; Norepinephrine; Phenobarbital; Rats; Serotonin; Tryptophan; Tyrosine | 1978 |
Dual action of methadone on 5-HT synthesis and metabolism.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Hydroxyindoleacetic Acid; Male; Methadone; Morphine; Naloxone; Probenecid; Rats; Serotonin; Tryptophan; Tyrosine | 1979 |
Synthesis of dopamine and octopamine in the crustacean stomatogastric nervous system.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Ganglia; Nephropidae; Neurons; Octopamine; Stomach; Tyramine; Tyrosine | 1979 |
Antagonism of ethanol's central stimulation in mice by small doses of catecholamine-receptor agonists.
Topics: Animals; Apomorphine; Aromatic Amino Acid Decarboxylase Inhibitors; Benzyl Compounds; Body Temperature; Brain; Catecholamines; Clonidine; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Ethanol; Female; Hydrazines; Hydroxylation; Mice; Motor Activity; Tyrosine | 1977 |
Hydroxylation of tyrosine by plant peroxidase and mushroom tyrosinase, with and without hydrazine, to retard the oxidation of dopa.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Horseradish Peroxidase; Hydrazines; Hydroxylation; Monophenol Monooxygenase; Oxidation-Reduction; Peroxidases; Tyrosine | 1977 |
The toxicity of melanin precursors.
Topics: Animals; Cattle; Dihydroxyphenylalanine; In Vitro Techniques; Melanins; Monophenol Monooxygenase; Nucleic Acid Synthesis Inhibitors; Phenylalanine; Quinones; Sulfhydryl Reagents; Tyrosine | 1978 |
Mammalian tyrosinase: isolation by a simple new procedure and characterization of its steric requirements for cofactor activity.
Topics: Animals; Catechol Oxidase; Dihydroxyphenylalanine; Kinetics; Melanins; Melanocytes; Melanoma; Mice; Monophenol Monooxygenase; Stereoisomerism; Structure-Activity Relationship; Tyrosine | 1978 |
Tyrosine administration decreases serum prolactin levels in chronically reserpinized rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dihydroxyphenylalanine; Homovanillic Acid; Hypothalamus; Male; Prolactin; Rats; Reserpine; Tyrosine | 1979 |
Biochemical effects of baclofen (beta-parachlorophenyl-GABA) on the dopamine and the noradrenaline in the rat brain.
Topics: Aminobutyrates; Amphetamines; Animals; Baclofen; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; gamma-Aminobutyric Acid; Hydroxybutyrates; Injections, Intraperitoneal; Limbic System; Male; Norepinephrine; Rats; Rats, Inbred Strains; Tyrosine | 1977 |
Effect of nicotinic acid on catecholamine synthesis in rat brain.
Topics: Animals; Brain; Catecholamines; Diet; Dihydroxyphenylalanine; Dopamine; Liver; Male; Nicotinic Acids; Rats; Tyrosine | 1978 |
Age-dependent changes in central dopaminergic and other monoaminergic systems.
Topics: Aging; Animals; Avoidance Learning; Biogenic Amines; Castration; Child; Dihydroxyphenylalanine; Dopamine; Female; Humans; Male; Neurons; Penfluridol; Pimozide; Rats; Receptors, Dopamine; Tyrosine | 1978 |
Melanogenesis in human melanomas.
Topics: Catechol Oxidase; Cell Fractionation; Cold Temperature; Dihydroxyphenylalanine; Electrophoresis, Disc; Humans; In Vitro Techniques; Isoenzymes; Melanins; Melanoma; Tyrosine | 1975 |
Ultrastructural tyrosine reaction in hamster melanoma.
Topics: Animals; Catechol Oxidase; Cricetinae; Dihydroxyphenylalanine; Endoplasmic Reticulum; Hydroxylation; Melanoma; Neoplasm Transplantation; Neoplasms, Experimental; Oxidation-Reduction; Transplantation, Homologous; Tyrosine | 1975 |
Synthesis of catecholamines in the eye after local injection of 3H-precursors.
Topics: Animals; Anterior Chamber; Catecholamines; Chlorocebus aethiops; Dihydroxyphenylalanine; Dopamine; Epinephrine; Eye; Haplorhini; Injections; Norepinephrine; Rabbits; Species Specificity; Stimulation, Chemical; Time Factors; Tritium; Tyrosine; Vitreous Body | 1975 |
The hydroxylation of tyrosine by an enzyme from third-instar larvae of the blowfly Calliphora erythrocephala.
Topics: Animals; Catechol Oxidase; Dihydroxyphenylalanine; Diptera; Edetic Acid; Enzyme Precursors; Hydroxylation; Kinetics; Larva; Molecular Weight; Tyrosine | 1975 |
Mammalian tyrosinase. A comparison of tyrosine hydroxylation and melanin formation.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Binding Sites; Catechol Oxidase; Dihydroxyphenylalanine; Dopamine; Kinetics; Levodopa; Melanins; Melanocytes; Mice; Monophenol Monooxygenase; Time Factors; Tyrosine | 1976 |
Metabolism of tyrosine by Microspira tyrosinatica: a new intermediate [2,4,5-trihydroxyphenylalanine (6-hydroxydopa)] in the tyrosinase reaction.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Monophenol Monooxygenase; Tyrosine; Vibrio | 1976 |
Suppression of noradrenaline synthesis in sympathetic nerves by carbidopa, an inhibitor of peripheral dopa decarboxylase.
Topics: Adrenergic Fibers; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Carbidopa; Dihydroxyphenylalanine; Dopamine; Heart; Hydrazines; Male; Norepinephrine; Peripheral Nerves; Rats; Tyrosine | 1977 |
Dopa and dopamine formation from phenylalanine in human brain.
Topics: Aged; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Female; Humans; In Vitro Techniques; Male; Middle Aged; Phenylalanine; Polyethylene Glycols; Rats; Tyrosine | 1977 |
[Effect of glucocorticolids on catecholamine synthesis in the heart and adrenals of rats in the presence of physical fatigue].
Topics: Adrenal Glands; Animals; Catecholamines; Dihydroxyphenylalanine; Fatigue; Glucocorticoids; Hydrocortisone; Male; Myocardium; Prednisolone; Rats; Tyrosine | 1977 |
In vivo studies on the conversion of m-tyrosine to 3,4-dihydroxyphenylalanine in the rat.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Dihydroxyphenylalanine; Isomerism; Kidney; Liver; Male; Organ Specificity; Phenylalanine Hydroxylase; Rats; Tyrosine | 1977 |
Dopamine formation from phenylalanine: independent existence in caudate nucleus synaptosomes.
Topics: Animals; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Female; In Vitro Techniques; Phenylalanine; Rats; Synaptosomes; Tyrosine | 1977 |
Effect of the activation of alpha-adrenoreceptors on the synthesis and release of noradrenaline by peripheral adrenergic nerves in vivo.
Topics: Adrenergic Fibers; Animals; Blood Pressure; Dihydroxyphenylalanine; Feedback; Heart; Male; Myocardium; Norepinephrine; Oxymetazoline; Peripheral Nerves; Rats; Receptors, Adrenergic; Submandibular Gland; Tyrosine | 1976 |
Tyrosine hydroxylation in the rat striatum after fentanyl and droperidol in vivo.
Topics: Animals; Benserazide; Corpus Striatum; Dihydroxyphenylalanine; Droperidol; Fentanyl; Hydroxylation; Male; Morphine; Rats; Tyrosine | 1976 |
Interaction of L-DOPA decarboxylase with substrates: a spectrophotometric study.
Topics: 5-Hydroxytryptophan; Animals; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopa Decarboxylase; Kidney; Kinetics; Protein Binding; Schiff Bases; Spectrophotometry; Spectrophotometry, Ultraviolet; Swine; Tyrosine | 1975 |
Brain monoamine synthesis and receptor sensitivity after single or repeated administration of thyroxine.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Brain Chemistry; Clonidine; Dihydroxyphenylalanine; Dopamine; Locomotion; Male; Mice; Norepinephrine; Receptors, Drug; Reserpine; Serotonin; Stimulation, Chemical; Thyroxine; Tryptophan; Tyrosine | 1975 |
Thyroid state and brain monoamine metabolism.
Topics: 5-Hydroxytryptophan; Animals; Benserazide; Brain; Dihydroxyphenylalanine; Hyperthyroidism; Hypothyroidism; Male; Parathyroid Glands; Rats; Thyroid Gland; Thyroidectomy; Thyroxine; Tryptophan; Tyrosine | 1975 |
Evidence that monoamines influence human evoked potentials.
Topics: 5-Hydroxytryptophan; Adolescent; Biogenic Amines; Dihydroxyphenylalanine; Evoked Potentials; Female; Humans; Male; Phenylalanine; Phenylketonurias; Reaction Time; Tyrosine; Visual Cortex; Visual Perception | 1975 |
Influence of L-3-methoxytyrosine on monoamine synthesis in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Dihydroxyphenylalanine; Dopamine; Hydrazines; Hydroxyindoleacetic Acid; Levodopa; Liver; Male; Myocardium; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1975 |
Pyrrolo[1,4]benzodiazepine antibiotics. Biosynthesis of the antitumor antibiotic 11-demethyltomaymycin and its biologically inactive metabolite oxotomaymycin by Streptomyces achromogenes.
Topics: 5-Hydroxytryptophan; Antibiotics, Antineoplastic; Benzodiazepinones; Dihydroxyphenylalanine; Hot Temperature; Methionine; ortho-Aminobenzoates; Pyrroles; Streptomyces; Tryptophan; Tyrosine | 1976 |
Effect of (+) amphetamine on monoamine synthesis and metabolism after axotomy in rat forebrain.
Topics: 5-Hydroxytryptophan; Animals; Axons; Biogenic Amines; Brain; Denervation; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Feedback; Haloperidol; Male; Norepinephrine; Rats; Tryptophan; Tyramine; Tyrosine | 1976 |
Radiation-induced binding of OH-substituted aromatic amino acids, tyrosine and dopa, mutually and with albumin in aqueous solution.
Topics: Carbon Radioisotopes; Chromatography, Paper; Cobalt Radioisotopes; Dihydroxyphenylalanine; Dose-Response Relationship, Radiation; Gamma Rays; Phenylalanine; Protein Binding; Radiation Effects; Serum Albumin, Bovine; Solutions; Tyrosine; Water | 1975 |
Chorismate mutase of Chlamydomonas reinhardi. Partial purification and some properties.
Topics: Chlamydomonas; Chorismate Mutase; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dihydroxyphenylalanine; Isomerases; Kinetics; Molecular Weight; Phenylalanine; Species Specificity; Tryptophan; Tyrosine | 1975 |
Melanin formation by human brain in vitro.
Topics: Autopsy; Brain; Cerebellum; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Humans; Hypothalamus; In Vitro Techniques; Medulla Oblongata; Melanins; Mesencephalon; Oxygen Consumption; Phenethylamines; Pons; Serotonin; Substantia Nigra; Time Factors; Tyramine; Tyrosine | 1975 |
Dopamine metabolism in characterised neurones of Planorbis corneus.
Topics: Animals; Carbon Radioisotopes; Catecholamines; Chromatography, Thin Layer; Dihydroxyphenylalanine; Dopamine; Histocytochemistry; Microscopy, Fluorescence; Nerve Tissue Proteins; Neurons; Snails; Tritium; Tyrosine | 1975 |
Separation of homovanillic acid and vanillylmandelic acid with ion-exchange resin column.
Topics: Anion Exchange Resins; Brain Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Norepinephrine; Phenylacetates; Tyrosine; Vanilmandelic Acid | 1975 |
In vivo rates of tyrosine and tryptophan hydroxylation in regions of rat brain at four times during the light-dark cycle.
Topics: Amino Acids; Animals; Benzyl Compounds; Brain; Brain Stem; Carboxy-Lyases; Circadian Rhythm; Darkness; Diencephalon; Dihydroxyphenylalanine; Dopamine; Hydrazines; Hydroxylation; Light; Male; Norepinephrine; Rats; Serotonin; Telencephalon; Tryptophan; Tyrosine | 1975 |
An examination of the catalytic properties of several aminotransferases in brain and liver by means of an improved radiometric assay with dinitrophenylhydrazine.
Topics: Animals; Brain; Catalysis; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; gamma-Aminobutyric Acid; Keto Acids; Liver; Male; Methods; Phenylhydrazines; Rats; Transaminases; Tryptophan; Tyrosine | 1975 |
Regulation of dopamine synthesis in rat brain striatal synaptosomes.
Topics: Animals; Calcium; Cocaine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Male; Rats; Strontium; Synaptosomes; Time Factors; Tyrosine; Veratridine | 1975 |
Formation of dopamine and noradrenaline in rat vas deferens: comparison with guinea-pig vas deferens.
Topics: Animals; Brocresine; Dihydroxyphenylalanine; Dopamine; Guinea Pigs; In Vitro Techniques; Male; Norepinephrine; Potassium Chloride; Rats; Species Specificity; Tyrosine; Vas Deferens | 1975 |
Synthesis of L-tyrosine-related amino acids by beta-tyrosinase.
Topics: Amino Acids; Ammonia; Catalysis; Catechols; Cell-Free System; Chemical Phenomena; Chemistry; Crystallization; Dihydroxyphenylalanine; Enzyme Induction; Erwinia; Escherichia; Lyases; Molecular Weight; Phenols; Pyridoxal Phosphate; Pyruvates; Sepharose; Serine; Stereoisomerism; Tyrosine; Tyrosine Phenol-Lyase | 1975 |
The reciprocal exclusion by L-dopa (L-3,4-dihydroxyphenylalanine) and L-tyrosine of their incorporation as single units into a soluble rat brain protein.
Topics: Adenosine Triphosphate; Animals; Brain; Dihydroxyphenylalanine; Kinetics; Magnesium; Nerve Tissue Proteins; Osmolar Concentration; Phenylalanine; Potassium Chloride; Rats; Tyrosine | 1975 |
Incorporation of L-tyrosine, L-phenylalanine and L-3,4-dihydroxyphenylalanine as single units into rat brain tubulin.
Topics: Animals; Brain; Colchicine; Dihydroxyphenylalanine; Glycoproteins; Phenylalanine; Rats; Receptors, Drug; Tubulin; Tyrosine | 1975 |
[Several pattern in the synthesis and uptake of H3-catecholamines by isolated rat vas deferens].
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Dopamine; Male; Norepinephrine; Rats; Tyrosine; Vas Deferens | 1975 |
Decarboxylation to tyramine is not a major route of tyrosine metabolism in mammals.
Topics: Anaerobiosis; Animals; Dihydroxyphenylalanine; In Vitro Techniques; Kidney; Liver; Mice; Organ Specificity; Pyridoxal Phosphate; Rats; Species Specificity; Tyramine; Tyrosine | 1976 |
[The effect of adrenoblockaders on the rate of H3-catecholamine synthesis and uptake in the rat seminal duct].
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Male; Norepinephrine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Tyrosine; Vas Deferens | 1975 |
Modification of the actions of some neuroactive drugs by growth hormone.
Topics: Animals; Apomorphine; Behavior, Animal; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Growth Hormone; Levodopa; Male; Mice; Oxotremorine; Parkinson Disease; Psychotropic Drugs; Tyrosine | 1976 |
A study of the metabolism and release of dopamine and amino acids from nerve endings isolated from sheep corpus striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Amphetamine; Animals; Calcium; Carbon Dioxide; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Nerve Endings; Potassium; Sheep; Synaptosomes; Tyrosine | 1976 |
Decarboxylation of newly formed DOPA by caudate nucleus synaptosomal particles.
Topics: Animals; Caudate Nucleus; Decarboxylation; Dihydroxyphenylalanine; Dopamine; Female; Phenylalanine; Rats; Synaptosomes; Tyrosine | 1976 |
A study of the supposed hydroxylation of tyrosine catalysed by peroxidase.
Topics: Ascorbic Acid; Dihydroxyphenylalanine; Fumarates; Horseradish Peroxidase; Hydrogen Peroxide; Hydroxylation; Peroxidases; Phenols; Tyrosine | 1976 |
The hydroxylation of phenylalanine and tyrosine: a comparison with salicylate and tryptophan.
Topics: Chelating Agents; Dihydroxyphenylalanine; Gamma Rays; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxides; Hydroxyl Radical; Hydroxylation; Iron; Kinetics; Macromolecular Substances; Oxidation-Reduction; Phenylalanine; Pulse Radiolysis; Salicylates; Salicylic Acid; Tryptophan; Tyrosine | 1992 |
Differential time course activation of the brain stem catecholaminergic groups following chronic adrenalectomy.
Topics: Adrenalectomy; Adrenocorticotropic Hormone; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain Stem; Catecholamines; Dihydroxyphenylalanine; Epinephrine; Hydrazines; Hydroxylation; Kinetics; Male; Medulla Oblongata; Norepinephrine; Rats; Rats, Sprague-Dawley; Tyrosine | 1992 |
The role of peroxidase in melanogenesis revisited.
Topics: Benzoquinones; Dihydroxyphenylalanine; Indoles; Melanins; Molecular Structure; Monophenol Monooxygenase; Oxidation-Reduction; Peroxidase; Plant Proteins; Tyrosine | 1992 |
Enhanced tyrosine hydroxylation in hippocampus of chronically stressed rats upon exposure to a novel stressor.
Topics: alpha-Methyltyrosine; Animals; Chronic Disease; Dihydroxyphenylalanine; Extracellular Space; Hippocampus; Hydrazines; Hydroxylation; Male; Methyltyrosines; Rats; Rats, Inbred Strains; Stress, Physiological; Tyrosine; Tyrosine 3-Monooxygenase | 1992 |
Biochemical and pharmacological properties of a peripherally acting catechol-O-methyltransferase inhibitor entacapone.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Catechol O-Methyltransferase Inhibitors; Catechols; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Duodenum; Erythrocytes; Homovanillic Acid; In Vitro Techniques; Liver; Male; Nitriles; Rats; Rats, Wistar; Tyrosine | 1992 |
Skin depigmentation by hydroquinone: a chemical and biochemical insight.
Topics: Animals; Dihydroxyphenylalanine; Humans; Hydroquinones; Melanins; Molecular Structure; Monophenol Monooxygenase; Oxidation-Reduction; Oxygen Consumption; Plant Proteins; Skin Pigmentation; Substrate Specificity; Tyrosine | 1992 |
Oxidation of monohydric phenol substrates by tyrosinase. An oximetric study.
Topics: Anisoles; Basidiomycota; Benzoquinones; Citrates; Citric Acid; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Kinetics; Monophenol Monooxygenase; Oxidation-Reduction; Oxygen Consumption; Phenols; Tyrosine | 1992 |
3-O-methyldopa administration does not alter fluorodopa transport into the brain.
Topics: Amino Acid Transport Systems; Amino Acids; Animals; Binding, Competitive; Biological Transport; Blood-Brain Barrier; Brain; Carrier Proteins; Dihydroxyphenylalanine; Macaca fascicularis; Male; Tomography, Emission-Computed; Tyrosine | 1992 |
Tyrosine codon corresponds to topa quinone at the active site of copper amine oxidases.
Topics: Amine Oxidase (Copper-Containing); Amino Acid Sequence; Binding Sites; Cell Line; Chromatography, High Pressure Liquid; Codon; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Molecular Sequence Data; Pichia; Protein Processing, Post-Translational; Sequence Homology, Nucleic Acid; Spectrum Analysis, Raman; Tyrosine | 1992 |
Defective dopamine generation from dihydroxyphenylalanine in stable essential hypertensive patients.
Topics: Administration, Oral; Blood Pressure; Dihydroxyphenylalanine; Dopamine; Female; Humans; Hypertension; Kidney; Male; Middle Aged; Pulse; Tyrosine | 1992 |
Plasma dopa responses during stress: dependence on sympathoneural activity and tyrosine hydroxylation.
Topics: Adrenalectomy; Animals; Catecholamines; Chlorisondamine; Dihydroxyphenylalanine; Hydroxylation; Immobilization; Injections, Intraperitoneal; Male; Methyltyrosines; Rats; Rats, Inbred Strains; Stress, Physiological; Tyrosine | 1992 |
Steady-state kinetic mechanism of rat tyrosine hydroxylase.
Topics: Animals; Binding, Competitive; Dihydroxyphenylalanine; Norepinephrine; Oxygen; Pterins; Rats; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1991 |
New assays for the tyrosine hydroxylase and dopa oxidase activities of tyrosinase.
Topics: Animals; Carbon Radioisotopes; Cell Line; Dihydroxyphenylalanine; Humans; Kinetics; Monophenol Monooxygenase; Radioisotope Dilution Technique; Spectrophotometry; Substrate Specificity; Thermodynamics; Tyrosine; Tyrosine 3-Monooxygenase | 1991 |
A tyrosine hydroxylase assay in microwells using coupled nonenzymatic decarboxylation of dopa.
Topics: Animals; Brain; Carbon Dioxide; Carbon Radioisotopes; Culture Techniques; Decarboxylation; Dihydroxyphenylalanine; Radiometry; Rats; Sensitivity and Specificity; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1991 |
The hydroxylation of phenylalanine and tyrosine by tyrosine hydroxylase from cultured pheochromocytoma cells.
Topics: Animals; Biopterins; Catalysis; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Hydrogen Peroxide; Hydroxylation; Kinetics; Phenylalanine; Pheochromocytoma; Rats; Tumor Cells, Cultured; Tyrosine; Tyrosine 3-Monooxygenase | 1991 |
Selective antiviral activity of synthetic soluble L-tyrosine and L-dopa melanins against human immunodeficiency virus in vitro.
Topics: Acquired Immunodeficiency Syndrome; Antigens, Differentiation, T-Lymphocyte; Antiviral Agents; CD2 Antigens; CD4 Antigens; Cell Line; Cytopathogenic Effect, Viral; Dihydroxyphenylalanine; Gene Products, env; HIV Envelope Protein gp120; HIV Envelope Protein gp160; HIV-1; HIV-2; Humans; Phytohemagglutinins; Protein Precursors; Receptors, Immunologic; RNA-Directed DNA Polymerase; Solubility; T-Lymphocytes; Tyrosine; Virus Replication | 1991 |
Routine determination of [18F]-L-6-fluorodopa and its metabolites in blood plasma is essential for accurate positron emission tomography studies.
Topics: Adsorption; Age Factors; Aluminum Oxide; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Humans; Tomography, Emission-Computed; Tyrosine | 1992 |
In vivo tyrosine hydroxylation in rat retina: effect of aspartame ingestion in rats pretreated with p-chlorophenylalanine.
Topics: Animals; Aspartame; Dihydroxyphenylalanine; Fenclonine; Hydroxylation; Liver; Male; Phenylalanine; Phenylalanine Hydroxylase; Rats; Rats, Inbred Strains; Retina; Tyrosine | 1991 |
Effect of precursor loading on the synthesis rate and release of dopamine and serotonin in the striatum: a microdialysis study in conscious rats.
Topics: Animals; Corpus Striatum; Dialysis; Dihydroxyphenylalanine; Dopamine; Eating; Haloperidol; Kinetics; Male; Phenylalanine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1991 |
2-Aryl-1,3-thiazolidines as masked sulfhydryl agents for inhibition of melanogenesis.
Topics: Alanine; Carboxylic Acids; Chromatography, Gel; Dihydroxyphenylalanine; Hydrolysis; Kinetics; Magnetic Resonance Spectroscopy; Melanins; Molecular Structure; Monophenol Monooxygenase; Spectrophotometry; Thiazines; Thiazoles; Tyrosine | 1991 |
Dopaminergic abnormalities in borderline essential hypertensive patients.
Topics: Adult; Blood Pressure; Dihydroxyphenylalanine; Dopamine; Female; Humans; Hypertension; Kidney; Male; Middle Aged; Natriuresis; Pulse; Tyrosine | 1991 |
Concentrations of tyrosine, L-dihydroxyphenylalanine, dopamine, and 3-O-methyldopa in the cerebrospinal fluid of Parkinson's disease.
Topics: Aged; Dihydroxyphenylalanine; Dopamine; Humans; Middle Aged; Parkinson Disease; Tyrosine | 1991 |
Enhancement of in vivo tyrosine hydroxylation in the rat adrenal gland under hypoxic conditions.
Topics: Adrenal Glands; Animals; Biopterins; Brain; Denervation; Dihydroxyphenylalanine; Hypoxia; Kinetics; Male; Oxidation-Reduction; Rats; Rats, Inbred Strains; Tyrosine; Tyrosine 3-Monooxygenase | 1990 |
Alternative catecholamine pathways after tyrosine hydroxylase inhibition in malignant pheochromocytoma.
Topics: Adrenal Gland Neoplasms; alpha-Methyltyrosine; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Humans; Male; Methyltyrosines; Middle Aged; Norepinephrine; Pheochromocytoma; Sulfates; Tyrosine; Tyrosine 3-Monooxygenase | 1990 |
Phenylalanine as substrate for tyrosine hydroxylase in bovine adrenal chromaffin cells.
Topics: Adrenal Glands; Animals; Catecholamines; Cattle; Dihydroxyphenylalanine; Hydroxylation; Phenylalanine; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1990 |
Regulation of mammalian melanogenesis. II: The role of metal cations.
Topics: Animals; Cations, Divalent; Dihydroxyphenylalanine; Female; Kinetics; Male; Melanins; Melanoma, Experimental; Mice; Mice, Inbred C57BL; Mice, Inbred DBA; Monophenol Monooxygenase; Tyrosine; Tyrosine 3-Monooxygenase | 1990 |
Oxygenation of fluorinated tyrosines by mushroom tyrosinase releases fluoride ion.
Topics: Basidiomycota; Catechol Oxidase; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Fluorides; Kinetics; Molecular Structure; Monophenol Monooxygenase; Oxidation-Reduction; Tyrosine | 1990 |
Effects of drugs on blood-brain barrier permeability in rats chronically intoxicated by ethanol.
Topics: Alcohol Deterrents; Alcoholism; Animals; Blood-Brain Barrier; Dihydroxyphenylalanine; Disulfiram; Ethanol; Pinocytosis; Psychotropic Drugs; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1990 |
Selective uptake of 2-thiouracil into melanin-producing systems depends on chemical binding to enzymically generated dopaquinone.
Topics: Animals; Benzoquinones; Biomarkers, Tumor; Chromatography, Gel; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Dihydroxyphenylalanine; Kinetics; Magnetic Resonance Spectroscopy; Melanins; Melanoma; Mice; Mice, Inbred C57BL; Monophenol Monooxygenase; Oxygen Consumption; Thiouracil; Tyrosine | 1990 |
Phosphonic and phosphinic acid analogues of tyrosine and 3,4-dihydroxyphenylalanine (dopa) as potential antimelanotic agents.
Topics: Animals; Carcinoma, Squamous Cell; Cell Division; Dihydroxyphenylalanine; Humans; Melanoma, Experimental; Mice; Monophenol Monooxygenase; Mouth Neoplasms; Neoplasm Proteins; Organophosphonates; Phosphinic Acids; Tumor Cells, Cultured; Tyrosine | 1990 |
Simple automated high-performance liquid chromatographic column-switching technique for the measurement of dopa and 3-O-methyldopa in plasma.
Topics: Animals; Autoanalysis; Benserazide; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Electrochemistry; Humans; In Vitro Techniques; Indicators and Reagents; Male; Rats; Specimen Handling; Tyrosine | 1990 |
Identification and quantitation of phenylalanine, tyrosine and dihydroxyphenylalanine in the thoracic nervous system of the locust, Schistocerca gregaria, by gas chromatography-negative-ion chemical ionisation mass spectrometry.
Topics: Animals; Deuterium; Dihydroxyphenylalanine; Female; Fluorocarbons; Gas Chromatography-Mass Spectrometry; Grasshoppers; Male; Nervous System; Phenylalanine; Propanols; Thorax; Tyrosine | 1990 |
Effects of the COMT inhibitor, CGP 28014, on plasma homovanillic acid and O-methylation of exogenous L-dopa in the rat.
Topics: Amidines; Animals; Catechol O-Methyltransferase Inhibitors; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Electrochemistry; Female; Homovanillic Acid; Levodopa; Pyridones; Rats; Rats, Inbred Strains; Tyrosine | 1990 |
Effect of the new selective COMT inhibitor CGP 28014 A on the formation of 3-O-methyldopa (3OMD) in plasma of healthy subjects.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amidines; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Male; Pyridones; Tyrosine | 1990 |
Acute effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine on dopamine metabolism in mouse and rat striatum.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 5-Hydroxytryptophan; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Pyridines; Rats; Rats, Inbred Strains; Species Specificity; Time Factors; Tryptophan; Tyrosine | 1985 |
The effects of cinepazide on the content, biosynthesis and turnover of noradrenaline, dopamine and 5-hydroxytryptamine in the rat brain under room air and hypoxia.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Hydroxylation; Hypoxia; Kinetics; Male; Norepinephrine; Piperazines; Rats; Serotonin; Tryptophan; Tyrosine; Vasodilator Agents | 1986 |
Synthesis and high affinity uptake of serotonin and dopamine by human Y79 retinoblastoma cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Biological Transport; Cell Line; Dihydroxyphenylalanine; Dopamine; Eye Neoplasms; Humans; Hydroxyindoleacetic Acid; Kinetics; Norepinephrine; Phenylalanine; Retinoblastoma; Serotonin; Tryptophan; Tyrosine | 1987 |
Plasma dopa and feeding.
Topics: Animal Feed; Animals; Dihydroxyphenylalanine; Dogs; Dopamine; Eating; Epinephrine; Norepinephrine; Time Factors; Tyrosine | 1989 |
MSH inhibits growth in a line of amelanotic hamster melanoma cells and induces increases in cyclic AMP levels and tyrosinase activity without inducing melanogenesis.
Topics: Animals; Catechol Oxidase; Cell Division; Cricetinae; Cyclic AMP; Cyclic GMP; Dihydroxyphenylalanine; Inositol 1,4,5-Trisphosphate; Melanins; Melanocyte-Stimulating Hormones; Melanoma, Experimental; Monophenol Monooxygenase; Phenotype; Signal Transduction; Tetradecanoylphorbol Acetate; Tumor Cells, Cultured; Tyrosine | 1989 |
Structure of a hydroxyl radical induced cross-link of thymine and tyrosine.
Topics: Chromatography, High Pressure Liquid; Cross-Linking Reagents; Dihydroxyphenylalanine; DNA Damage; Free Radicals; Gas Chromatography-Mass Spectrometry; Hydroxides; Hydroxyl Radical; Magnetic Resonance Spectroscopy; Models, Biological; Thymine; Tyrosine | 1988 |
Inhibition of tyrosine hydroxylation in tissue slices of the rat striatum by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; Animals; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Hydroxylation; In Vitro Techniques; Male; Nomifensine; Nucleus Accumbens; Pyridines; Rats; Rats, Inbred Strains; Sulpiride; Tyrosine; Tyrosine 3-Monooxygenase | 1985 |
K+-dependent stimulation of tyrosine hydroxylation in striatal slices: role of Ca2+/calmodulin and Ca2+/phospholipid-dependent mechanisms.
Topics: Animals; Calcium; Calmodulin; Corpus Striatum; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; In Vitro Techniques; Male; Phosphorylation; Potassium; Protein Kinase C; Rats; Rats, Inbred Strains; Sulfonamides; Tyrosine; Tyrosine 3-Monooxygenase | 1986 |
Inhibition by hydralazine of catecholamine biosynthesis in cultured bovine adrenal medullary cells.
Topics: Adrenal Medulla; Animals; Carbon Radioisotopes; Catecholamines; Cattle; Cells, Cultured; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Hydralazine; Norepinephrine; Tyrosine; Tyrosine 3-Monooxygenase | 1986 |
Effect of tyrosine administration on dopa accumulation in light- and dark-adapted retinas from normal and diabetic rats.
Topics: Adaptation, Ocular; Animals; Diabetes Mellitus, Experimental; Dihydroxyphenylalanine; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine; Tyrosine 3-Monooxygenase | 1986 |
Alterations in retinal tyrosine and dopamine levels in rats consuming protein or tyrosine-supplemented diets.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Caseins; Dietary Proteins; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Liver; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine; Tyrosine Transaminase | 1988 |
Diurnal alterations in retinal tyrosine level and dopamine turnover in diabetic rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Circadian Rhythm; Diabetes Mellitus, Experimental; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Liver; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine; Tyrosine Transaminase | 1988 |
Regulation of galactokinase gene expression in Tetrahymena thermophila. II. Identification of 3,4-dihydroxyphenylalanine as a primary effector of adrenergic control of galactokinase expression.
Topics: Animals; Bucladesine; Dihydroxyphenylalanine; Dopamine; Galactokinase; Galactose; Genes; Glucose; Isoproterenol; Mutation; Species Specificity; Tetrahymena; Tyramine; Tyrosine | 1985 |
Manganese poisoning and the attack of trivalent manganese upon catecholamines.
Topics: Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Kinetics; Manganese; Manganese Poisoning; Norepinephrine; Superoxides; Tyrosine | 1987 |
[Effect of a single ethanol administration on the permeability of the hemato-encephalic barrier for 14C-tyrosine, 14C-DOPA and horseradish peroxidase].
Topics: Animals; Biological Transport; Blood-Brain Barrier; Brain; Carbidopa; Carbon Radioisotopes; Cell Membrane Permeability; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Ethanol; Horseradish Peroxidase; Male; Peroxidases; Rats; Rats, Inbred Strains; Tyrosine | 1986 |
Synthesis and release of catecholamines by the cat carotid body in vitro: effects of hypoxic stimulation.
Topics: Animals; Carotid Body; Carotid Sinus; Catecholamines; Cats; Dihydroxyphenylalanine; Dopamine; Electrophysiology; Hypoxia; In Vitro Techniques; Nerve Crush; Norepinephrine; Sympathectomy; Time Factors; Tyrosine | 1986 |
Behavioral and biochemical studies of dopamine receptor sensitivity in differentially housed mice.
Topics: Animals; Apomorphine; Brain Chemistry; Dihydroxyphenylalanine; Drug Interactions; Male; Mice; Motor Activity; Receptors, Dopamine; Reserpine; Social Isolation; Spiperone; Tyrosine | 1986 |
Optimization of hydroxylation of tyrosine and tyrosine-containing peptides by mushroom tyrosinase.
Topics: Ascorbic Acid; Basidiomycota; Catechol Oxidase; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Hydroxylation; Monophenol Monooxygenase; Temperature; Time Factors; Tyrosine | 1986 |
The effects of pyridinium salts, structurally related compounds of 1-methyl-4-phenylpyridinium ion (MPP+), on tyrosine hydroxylation in rat striatal tissue slices.
Topics: 1-Methyl-4-phenylpyridinium; Animals; Corpus Striatum; Dihydroxyphenylalanine; Hydroxylation; In Vitro Techniques; Male; Nomifensine; Pyridinium Compounds; Rats; Rats, Inbred Strains; Tyrosine | 1986 |
The effect of oxygen on the radiolysis of tyrosine in aqueous solutions.
Topics: Dihydroxyphenylalanine; Electrons; Free Radicals; Gamma Rays; Hydrogen Peroxide; Oxygen; Solutions; Tyrosine | 1987 |
Involvement of reactive oxygen species in the oxidation of tyrosine and dopa to melanin and in skin tanning.
Topics: Dihydroxyphenylalanine; Free Radicals; Furocoumarins; Glutathione; Hematoporphyrins; Melanins; Methoxsalen; Monophenol Monooxygenase; Oxidation-Reduction; Oxygen; Photochemistry; Riboflavin; Tyrosine; Ultraviolet Rays | 1987 |
Protein consumption increases tyrosine concentration and in vivo tyrosine hydroxylation rate in the light-adapted rat retina.
Topics: Amino Acids; Animals; Dietary Proteins; Dihydroxyphenylalanine; Dopamine; Hydroxylation; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine | 1987 |
Stimulation by vasoactive intestinal polypeptide of catecholamine synthesis in isolated bovine adrenal chromaffin cells. Possible involvement of protein kinase C.
Topics: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine; Adrenal Medulla; Animals; Calcium; Carbachol; Catecholamines; Cattle; Colforsin; Dihydroxyphenylalanine; In Vitro Techniques; Isoquinolines; Piperazines; Tetradecanoylphorbol Acetate; Tyrosine; Vasoactive Intestinal Peptide | 1987 |
A comparison of the melanocyte response to narrow band UVA and UVB exposure in vivo.
Topics: Adult; Dihydroxyphenylalanine; Histological Techniques; Humans; Male; Melanocytes; Middle Aged; Pigmentation; Tyrosine | 1987 |
Phosphonic analogues of tyrosine and 3,4-dihydroxyphenylalanine (dopa) influence mushroom tyrosinase activity.
Topics: Basidiomycota; Binding Sites; Catechol Oxidase; Copper; Copper Sulfate; Dihydroxyphenylalanine; Kinetics; Models, Molecular; Monophenol Monooxygenase; Organophosphonates; Tyrosine | 1987 |
Inhibition of melanization in human melanoma cells by a serotonin uptake inhibitor.
Topics: Catecholamines; Cell Line; Dihydroxyphenylalanine; Humans; Melanins; Melanoma; Quinolines; Quipazine; Serotonin; Serotonin Antagonists; Stimulation, Chemical; Tyrosine | 1987 |
Reaction of dendritic melanocytes in vitiligo to the substrates of tyrosine metabolism.
Topics: Copper; Copper Sulfate; Dendritic Cells; Dihydroxyphenylalanine; Dopamine; Epinephrine; Humans; Melanocytes; Monophenol Monooxygenase; Norepinephrine; Oxidation-Reduction; Substrate Specificity; Tyrosine; Vitiligo | 1987 |
Inhibition of decarboxylase and levels of dopa and 3-O-methyldopa: a comparative study of benserazide versus carbidopa in rodents and of Madopar standard versus Madopar HBS in volunteers.
Topics: Administration, Oral; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Aromatic-L-Amino-Acid Decarboxylases; Benserazide; Brain; Carbidopa; Delayed-Action Preparations; Dihydroxyphenylalanine; Dogs; Dopa Decarboxylase; Dose-Response Relationship, Drug; Drug Combinations; Humans; Hydrazines; Kidney; Levodopa; Liver; Male; Mice; Rats; Time Factors; Tyrosine | 1987 |
A new method for the determination of L-dopa and 3-O-methyldopa in plasma and cerebrospinal fluid using gas chromatography and electron capture negative ion mass spectrometry.
Topics: Acetylation; Adult; Dihydroxyphenylalanine; Esterification; Gas Chromatography-Mass Spectrometry; Humans; Reference Values; Tyrosine | 1988 |
Comparison of the monoamine and catabolite content in the cat and rabbit carotid bodies.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carotid Body; Cats; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Norepinephrine; Rabbits; Species Specificity; Sympathectomy; Tyrosine | 1988 |
Studies on the formation of 3,4-dihydroxyphenylalanine, m-tyrosine and o-tyrosine from L-phenylalanine by rat liver and adrenal.
Topics: Adrenal Glands; Animals; Dihydroxyphenylalanine; Hydroxylation; Liver; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tyrosine | 1988 |
Free and conjugated plasma catecholamines, DOPA and 3-O-methyldopa in humans and in various animal species.
Topics: Adult; Animals; Catecholamines; Cats; Cattle; Chlorocebus aethiops; Dihydroxyphenylalanine; Dogs; Female; Guinea Pigs; Humans; Male; Middle Aged; Rabbits; Rats; Rats, Gunn; Rats, Inbred Strains; Species Specificity; Swine; Tyrosine; Ursidae | 1988 |
Potential radiopharmaceuticals for the detection of ocular melanoma. Part III. A study with 14C and 11C labelled tyrosine and dihydroxyphenylalanine.
Topics: Animals; Carbon Radioisotopes; Cricetinae; Dihydroxyphenylalanine; Eye Neoplasms; Melanoma, Experimental; Mesocricetus; Neoplasm Transplantation; Tissue Distribution; Tomography, Emission-Computed; Tyrosine | 1988 |
[Effect of carbidopa and dimethyl sulfoxide on the permeability of the hemato-encephalic barrier for 14C-tyrosine and 14C-DOPA in rats].
Topics: Animals; Blood-Brain Barrier; Brain; Carbidopa; Carbon Radioisotopes; Cell Membrane Permeability; Dihydroxyphenylalanine; Dimethyl Sulfoxide; Dose-Response Relationship, Drug; Male; Rats; Rats, Inbred Strains; Tyrosine | 1988 |
Biosynthesis and function of melanins in hepatic pigmentary system.
Topics: Animals; Dihydroxyphenylalanine; Kinetics; Liver; Melanins; Melanocytes; Rana esculenta; Skin; Turtles; Tyrosine | 1988 |
Alterations in the retinal dopaminergic neuronal system in rats with streptozotocin-induced diabetes.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Cattle; Diabetes Mellitus, Experimental; Diabetic Retinopathy; Dihydroxyphenylalanine; Dopamine; Glucose; Male; Neurons; Rats; Rats, Inbred Strains; Retina; Spiperone; Tyrosine | 1985 |
Measurement of noradrenaline synthesis in rat hippocampal synaptosomes using HPLC with ECD.
Topics: Animals; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electrochemistry; Hippocampus; Male; Norepinephrine; Potassium; Rats; Rats, Inbred Strains; Synaptosomes; Tyrosine | 1985 |
Inhibition of tyrosine hydroxylation in rat striatal tissue slices by 1-methyl-4-phenylpyridinium ion.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; Animals; Corpus Striatum; Dihydroxyphenylalanine; Hydroxylation; In Vitro Techniques; Male; Monoamine Oxidase; Pargyline; Pyridines; Pyridinium Compounds; Rats; Rats, Inbred Strains; Tyrosine | 1985 |
A detergent-activated tyrosinase from Xenopus laevis. I. Purification and partial characterization.
Topics: Animals; Catechol Oxidase; Detergents; Dihydroxyphenylalanine; Enzyme Activation; Kinetics; Micelles; Molecular Weight; Monophenol Monooxygenase; Skin; Sodium Dodecyl Sulfate; Surface-Active Agents; Trypsin; Tyrosine; Xenopus laevis | 1985 |
Enhancement of norepinephrine biosynthesis by ascorbic acid in cultured bovine chromaffin cells.
Topics: Adrenal Medulla; Animals; Ascorbic Acid; Biological Transport; Cattle; Cells, Cultured; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Kinetics; Norepinephrine; Tyrosine | 1985 |
Tyrosine hydroxylase deficiency. A unifying concept of Parkinsonism.
Topics: Age Factors; Dihydroxyphenylalanine; Dopamine; Dopamine Antagonists; Humans; Mixed Function Oxygenases; Parkinson Disease; Reserpine; Substantia Nigra; Tyrosine | 1971 |
Fluorometry of a DOPA peptide and its thioether.
Topics: Carbon Isotopes; Catechol Oxidase; Catechols; Chromatography, Paper; Cysteine; Dihydroxyphenylalanine; Dipeptides; Ethers; Fluorescence; Fluorometry; Melanoma; Peptides; Phenylalanine; Pigments, Biological; Spectrophotometry; Sulfhydryl Reagents; Sulfur; Tyrosine | 1971 |
Dopa stain for precipitins in gel.
Topics: Agar; Animals; Antigens; Catechol Oxidase; Dihydroxyphenylalanine; Gels; Horses; Humans; Immune Sera; Immunodiffusion; Immunoelectrophoresis; Isoenzymes; Methods; Precipitins; Rabbits; Serum Globulins; Sheep; Species Specificity; Staining and Labeling; Time Factors; Transferrin; Tyrosine | 1971 |
Presence and properties of tyrosinase in sera of melanoma-bearing animals.
Topics: Animals; Blood; Catechol Oxidase; Centrifugation, Density Gradient; Chromatography; Cricetinae; Dihydroxyphenylalanine; Dogs; Humans; Hydrogen-Ion Concentration; Melanoma; Mice; Neoplasm Metastasis; Neoplasm Transplantation; Neoplasms, Experimental; Oxidation-Reduction; Spectrophotometry; Tissue Extracts; Tritium; Tyrosine | 1971 |
Tyrosinase activity in dermal nevus cells.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Endoplasmic Reticulum; Histocytochemistry; Humans; Melanins; Microscopy, Electron; Nevus, Pigmented; Skin; Skin Neoplasms; Staining and Labeling; Tyrosine | 1971 |
Dopa as an antimetabolite in Huntington's disease.
Topics: Acylation; Adult; Amino Acyl-tRNA Synthetases; Antimetabolites; Basal Ganglia; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Humans; Huntington Disease; Middle Aged; Molecular Conformation; Neurons; Proteins; RNA, Transfer; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Melanocyte-stimulating hormone and parkinsonism.
Topics: Dihydroxyphenylalanine; Humans; Melanocyte-Stimulating Hormones; Parkinson Disease; Tyrosine | 1973 |
Substrate identity in mammalian melanogenesis.
Topics: Animals; Catechols; Dihydroxyphenylalanine; Guinea Pigs; Hair; Humans; Melanins; Melanocytes; Microtomy; Pigments, Biological; Staining and Labeling; Tyrosine | 1973 |
Axoplasmic transport of dopamine in nigro-striatal neurons.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Axonal Transport; Basal Ganglia; Biological Transport; Brain; Carbon Isotopes; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxydopamines; Hypothalamus; Kinetics; Male; Neurons; Rats; Reserpine; Substantia Nigra; Tranylcypromine; Tyrosine | 1973 |
Effect of adrenergic reactive drugs on Tetrahymena pyriformis in a chemically defined medium.
Topics: Adrenergic beta-Antagonists; Carbon Isotopes; Culture Media; Dihydroxyphenylalanine; Dopamine; Glucose; Glycogen; Isoproterenol; Norepinephrine; Phenylalanine; Propranolol; Reserpine; Tetrahymena pyriformis; Tyrosine | 1972 |
The photodegradation of L-dopa and related compounds.
Topics: Chromatography, Thin Layer; Cresols; Dihydroxyphenylalanine; Photolysis; Radiation Effects; Tyrosine; Ultraviolet Rays | 1972 |
Further studies on catecholamine synthesis in the spontaneously hypertensive rat: catecholamine synthesis in the central nervous system.
Topics: Animals; Brain Stem; Carbon Isotopes; Catecholamines; Central Nervous System; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Dopamine beta-Hydroxylase; Hypertension; In Vitro Techniques; Kinetics; Methyltyrosines; Norepinephrine; Rats; Rats, Inbred Strains; Telencephalon; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Effects of some psychotropic drugs on tyrosine hydroxylase activity in different structures of the rat brain.
Topics: Amphetamine; Animals; Brain; Catecholamines; Cerebral Cortex; Corpus Striatum; Dihydroxyphenylalanine; Hydroxylation; In Vitro Techniques; Male; Phenothiazines; Rats; Reserpine; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Trans-synaptic regulation of tyrosine hydroxylase activity in a developing mouse sympathetic ganglion: effects of nerve growth factor (NGF), NGF-antiserum and pempidine.
Topics: Animals; Animals, Newborn; Dihydroxyphenylalanine; Ganglia, Autonomic; Immune Sera; Membrane Potentials; Mice; Nerve Growth Factors; Pempidine; Spinal Nerves; Synaptic Membranes; Synaptic Transmission; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Investigations of the biosynthesis of novobiocin.
Topics: Benzoates; Carbon Isotopes; Coumarins; Dihydroxyphenylalanine; Nitrogen Isotopes; Novobiocin; Pyruvates; Streptomyces; Tyrosine | 1972 |
Effect of ethanol on the hydroxylation of tyrosine and tryptophan in rat brain in vivo.
Topics: Animals; Brain; Carboxy-Lyases; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Ethanol; Hydralazine; Hydroxylation; In Vitro Techniques; Norepinephrine; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1973 |
Dopa decarboxylase in medullary carcinoma of the thyroid.
Topics: Adrenal Gland Neoplasms; Amine Oxidase (Copper-Containing); Aromatic Amino Acid Decarboxylase Inhibitors; Carbidopa; Carcinoma; Cresols; Dihydroxyphenylalanine; Dopa Decarboxylase; Histamine; Histidine; Humans; Hydrazines; Hydroxylamines; Methyldopa; Methylhistidines; Norepinephrine; Pheochromocytoma; Serotonin; Thyroid Gland; Thyroid Neoplasms; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Letter: Amphetamine-induced inhibition of tyrosine hydroxylation in homogenates of rat corpus striatum.
Topics: Alkaloids; Amphetamine; Animals; Carbon Dioxide; Carbon Radioisotopes; Chlorpromazine; Corpus Striatum; Dihydroxyphenylalanine; Dioxoles; Ephedrine; Hydroxylation; Isoquinolines; Male; Picrotoxin; Proadifen; Rats; Tyrosine | 1973 |
Effect of dibutyryl-cyclic AMP and dexamethasone on noradrenaline synthesis in isolated superior cervical ganglia.
Topics: Aluminum; Animals; Bucladesine; Carbon Radioisotopes; Chromatography; Chromatography, Ion Exchange; Cycloheximide; Dexamethasone; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Epinephrine; Ganglia, Spinal; In Vitro Techniques; Kinetics; Male; Papaverine; Rats; S-Adenosylmethionine; Subcellular Fractions; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
In vivo estimation of tyrosine hydroxylation in the dopaminergic terminals of the rat neostriatum.
Topics: Animals; Corpus Striatum; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Hydroxylation; Male; Methods; Methyltyrosines; Nerve Degeneration; Rats; Receptors, Drug; Time Factors; Tranquilizing Agents; Tritium; Tyrosine; Urea; Water | 1974 |
Brain monoamines. Biosynthesis and fate.
Topics: Animals; Blood-Brain Barrier; Brain; Catechol O-Methyltransferase; Catecholamines; Dihydroxyphenylalanine; Dopamine; Humans; Neurons; Norepinephrine; Phenethylamines; Serotonin; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Biosynthesis of adrenal catecholamines during adaptation of rats to immobilization stress.
Topics: Adaptation, Physiological; Adrenal Glands; Adrenal Medulla; Animals; Carbon Radioisotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Epinephrine; Immobilization; Norepinephrine; Organ Size; Phenylethanolamine N-Methyltransferase; Rats; Stress, Physiological; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Dopaminergic neurons: drug-induced antagonism of the increase in tyrosine hydroxylase activity produced by cessation of impulse flow.
Topics: Animals; Apomorphine; Benserazide; Brain; Brain Chemistry; Dihydroxyphenylalanine; Dioxoles; Dopamine; Fluorometry; Hydroxybutyrates; Lactones; Male; Neurons; Phenylacetates; Piperazines; Pyrimidines; Rats; Synaptic Transmission; Time Factors; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Neuropsychopharmacology of monoamines and their regulatory enzymes.
Topics: 5-Hydroxytryptophan; Amphetamine; Animals; Apomorphine; Biogenic Amines; Brain; Cocaine; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Humans; Isoenzymes; Methylphenidate; Monoamine Oxidase; Neurons; Norepinephrine; Phenylethanolamine N-Methyltransferase; Schizophrenia; Serotonin; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Irreversible inactivation of rat liver tyrosine aminotransferase.
Topics: Animals; Apoproteins; Binding Sites; Centrifugation, Density Gradient; Cross Reactions; Cysteine; Dihydroxyphenylalanine; Drug Stability; Electrophoresis, Disc; Half-Life; Hot Temperature; Hydroxylamines; Ketoglutaric Acids; Kinetics; Liver; Protein Binding; Pyridoxal Phosphate; Rats; Semicarbazides; Structure-Activity Relationship; Time Factors; Tyrosine; Tyrosine Transaminase; Ultrafiltration | 1974 |
A new biosynthetic pathway to catecholamines via m-tyrosine.
Topics: Adrenal Glands; Animals; Benzyl Compounds; Brain; Carbon Radioisotopes; Catalysis; Catecholamines; Dihydroxyphenylalanine; Hydroxylation; In Vitro Techniques; Iron; Liver; Methyldopa; Methyltyrosines; Mice; Monoiodotyrosine; NADP; Phenylalanine; Phenylalanine Hydroxylase; Phosphates; Pterins; Rats; Structure-Activity Relationship; Tyrosine | 1974 |
Genetic differences in mechanisms involving neuroregulators.
Topics: Adrenal Medulla; Animals; Brain; Catecholamines; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Epinephrine; Genotype; Humans; Methyltransferases; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mice, Inbred CBA; Mice, Inbred Strains; Molecular Biology; Norepinephrine; Phenethylamines; Schizophrenia; Serotonin; Species Specificity; Stress, Psychological; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Antipsychotic drugs and catecholamine synapses.
Topics: Antipsychotic Agents; Basal Ganglia Diseases; Binding, Competitive; Brain; Catecholamines; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Drug Therapy, Combination; Haloperidol; Humans; Receptors, Drug; Reserpine; Schizophrenia; Serotonin; Stimulation, Chemical; Thioridazine; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
New developments in the study of the mechanism of action of neuroleptics and amphetamine.
Topics: Amphetamine; Animals; Brain; Caudate Nucleus; Cerebral Cortex; Corpus Striatum; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Haplorhini; Macaca; Rats; Receptors, Drug; Stimulation, Chemical; Tranquilizing Agents; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Intracellular distribution of endogenous inhibitors of dopamine-beta-hydroxylase.
Topics: Adrenal Medulla; Animals; Carbon Isotopes; Cattle; Chromatography; Copper; Dihydroxyphenylalanine; Dopamine; Ethylmaleimide; Kinetics; Mixed Function Oxygenases; Norepinephrine; Tyrosine | 1968 |
Levodopa and melanoma.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Humans; Male; Melanocytes; Melanoma; Parkinson Disease; Skin; Tyrosine | 1973 |
Preparation of L-tyrosine-ring- 14 C, L-DOPA-ring- 14 C and related metabolites.
Topics: Carbon Isotopes; Catechol Oxidase; Catechols; Chromatography, Paper; Cinnamates; Dihydroxyphenylalanine; Escherichia; Homogentisic Acid; Isotope Labeling; Phenols; Plants; Tyrosine | 1973 |
The isolation of tyrosinase from Aspergillus nidulans, its kinetic and molecular properties and some consideration of its activity in vivo.
Topics: Aspergillus; Aspergillus nidulans; Catechol Oxidase; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dihydroxyphenylalanine; Electrophoresis, Disc; Electrophoresis, Paper; Fungal Proteins; Hot Temperature; Methods; Molecular Weight; Nucleoproteins; Oxygen Consumption; Spectrophotometry, Ultraviolet; Tyrosine | 1973 |
Inability of murine melanoma "tyrosinase" (dopa ozidase) to oxidize tyrosine in the presence or absence of dopa or dihydroxyfumarate cofactor.
Topics: Animals; Catechol Oxidase; Chromatography; Dihydroxyphenylalanine; Fumarates; Hydrogen-Ion Concentration; Melanoma; Methods; Mice; Monophenol Monooxygenase; Neoplasm Transplantation; Neoplasms, Experimental; Oxidation-Reduction; Radioisotopes; Spectrophotometry; Time Factors; Tyrosine | 1973 |
Immunologic homogeneity and electrophoretic heterogeneity of mouse melanoma tyrosinases.
Topics: Animals; Catechol Oxidase; Chromatography, Gel; Cross Reactions; Dihydroxyphenylalanine; Immune Sera; Immunodiffusion; Immunoelectrophoresis; Isoelectric Focusing; Melanoma; Mice; Solubility; Tyrosine | 1973 |
Histochemical evidence that peroxidase does not affect melanin formation in feather melanocytes.
Topics: Animals; Biphenyl Compounds; Birds; Catechol Oxidase; Dihydroxyphenylalanine; Feathers; Genotype; Histocytochemistry; Leukocytes; Melanins; Melanocytes; Monophenol Monooxygenase; Organoids; Peroxidases; Phenotype; Phenylenediamines; Pigmentation; Tyrosine | 1973 |
Peroxidase, "protyrosinase," and the multiple forms of tyrosinase in mice.
Topics: Animals; Biphenyl Compounds; Catalase; Catechol Oxidase; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Enzyme Precursors; Hair; Hydroxylation; Melanins; Melanocytes; Melanoma; Mice; Mice, Inbred C57BL; Mice, Inbred Strains; Peroxidases; Pigmentation; Trypsin; Tyrosine | 1973 |
[The morphogenesis and histological classification of nevocellular nevuses].
Topics: Adult; Catechol Oxidase; Dihydroxyphenylalanine; Histocytochemistry; Humans; Lipid Metabolism; Male; Melanins; Nevus, Pigmented; Nucleoproteins; Oxidoreductases; Skin Neoplasms; Sulfhydryl Compounds; Tyrosine | 1973 |
Pigment cell development in rhesus monkey eyes: an electron microscopic and histochemical study.
Topics: Animals; Cell Differentiation; Choroid; Ciliary Body; Dihydroxyphenylalanine; Epithelial Cells; Eye; Female; Gestational Age; Haplorhini; Histocytochemistry; Iris; Macaca; Melanocytes; Microscopy, Electron; Organoids; Pregnancy; Retina; Retinal Pigments; Tyrosine; Uvea | 1973 |
A proteolytically activated tyrosinase from frog epidermis.
Topics: Amino Acids; Animals; Anura; Binding, Competitive; Carboxypeptidases; Catechol Oxidase; Cattle; Chymotrypsin; Dihydroxyphenylalanine; Endopeptidases; Enzyme Activation; Enzyme Precursors; Kinetics; Leucyl Aminopeptidase; Molecular Weight; Monophenol Monooxygenase; Pancreas; Papain; Pronase; Rana pipiens; Skin; Trypsin; Tyrosine | 1974 |
Phenol oxidase activity and the lozenge locus of Drosophila melanogaster.
Topics: Alleles; Animals; Catechol Oxidase; Chromatography, Paper; Chromosome Mapping; Dihydroxyphenylalanine; Drosophila melanogaster; Electrophoresis, Polyacrylamide Gel; Female; Male; Mutation; Phenotype; Pupa; Time Factors; Tyrosine | 1974 |
Potent in vitro inhibitors of tyrosinase: metal-binding fractions of tobacco smoke condensate.
Topics: Basidiomycota; Catechol Oxidase; Copper; Cyanides; Cysteine; Dihydroxyphenylalanine; Kinetics; Metals; Nicotiana; Phenanthrolines; Plants, Toxic; Quinolines; Salicylates; Smoke; Thiocarbamates; Tyrosine | 1974 |
[Biogenic amines in chronic pancreatitis].
Topics: Amine Oxidase (Copper-Containing); Catecholamines; Chronic Disease; Dihydroxyphenylalanine; Dopamine; Epinephrine; Histamine; Humans; Hydroxyindoleacetic Acid; Monoamine Oxidase; Norepinephrine; Pancreatitis; Serotonin; Tyrosine | 1973 |
Inhibition of tyrosinase-catalyzed melanin formation by catechol phenyl sulfones.
Topics: Basidiomycota; Catechol Oxidase; Catechols; Dihydroxyphenylalanine; Kinetics; Melanins; Oxidation-Reduction; Sulfones; Tyrosine | 1974 |
[Experimental findings and new aspects in extrapyramidal diseases].
Topics: 5-Hydroxytryptophan; Blood Pressure; Body Temperature Regulation; Chorea; Dihydroxyphenylalanine; Dopamine; Humans; Monoamine Oxidase Inhibitors; Movement Disorders; Norepinephrine; Parkinson Disease; Perphenazine; Phenylalanine; Reserpine; Serotonin; Tyrosine | 1966 |
[On the formation of H-3-dopa from H-3-tyrosine and determination of the dopa synthesis rate in the fowl and cat adrenal gland under in vivo conditions].
Topics: Adrenal Glands; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain Stem; Cats; Chromatography, Paper; Dihydroxyphenylalanine; Electrophoresis; Hydrazines; Kidney; Liver; Myocardium; Pancreas; Poultry; Spleen; Tritium; Tyrosine | 1967 |
The antagonism between reserpine and some antiparkinson drugs in electroseizure.
Topics: 1-Propanol; Animals; Atropine; Biperiden; Cyclohexanes; Dextroamphetamine; Dihydroxyphenylalanine; Electroshock; Methamphetamine; Parasympatholytics; Piperidines; Rats; Reserpine; Sympathomimetics; Tachyphylaxis; Tetrabenazine; Thiocarbamates; Tyrosine | 1968 |
[Role of substrates in the irradiation of enzymes].
Topics: Adenosine Triphosphatases; Adenosine Triphosphate; Animals; Catechol Oxidase; Cobalt Isotopes; Dihydroxyphenylalanine; Free Radicals; Muscle Proteins; Rabbits; Radiation Effects; Radiation-Protective Agents; Radiation-Sensitizing Agents; Time Factors; Tyrosine; Ultracentrifugation | 1969 |
Hydroxyanisole depigmentation: in-vivo studies.
Topics: Adenosine Triphosphatases; Animals; Antioxidants; Ascorbic Acid; Dihydroxyphenylalanine; Guaiacol; Guinea Pigs; Histocytochemistry; Pigmentation; Skin; Skin Absorption; Skin Transplantation; Transplantation, Autologous; Tyrosine; Vitamin E; Vitiligo | 1969 |
The development of pigment cells in the eyes of Rhesus monkeys.
Topics: Acid Phosphatase; Alkaline Phosphatase; Amylases; Animals; Cell Differentiation; Culture Techniques; Cytoplasmic Granules; Dihydroxyphenylalanine; Gestational Age; Glycosaminoglycans; Haplorhini; Histocytochemistry; Macaca; Melanocytes; Retina; Tyrosine; Uvea | 1971 |
Resolution of ring-substituted phenylalanines by the action of alpha-chymotrypsin on their ethyl esters.
Topics: Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Chymotrypsin; Dihydroxyphenylalanine; Esters; Ethanol; Fenclonine; Fluorine; Hydrolysis; Ion Exchange Resins; Kinetics; Phenylalanine; Stereoisomerism; Tyrosine | 1971 |
Effects of chronic amphetamine intoxication on the accumulation in the rat brain of labelled catecholamines synthesized from circulating tyrosine- 14 C and Dopa- 3 H.
Topics: Amphetamine; Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; Male; Myocardium; Norepinephrine; Rats; Tritium; Tyrosine | 1971 |
Selective reduction of tryptophan hydroxylase activity in rat forebrain after midbrain raphe lesions.
Topics: 5-Hydroxytryptophan; Animals; Brain Stem; Carbon Isotopes; Cerebral Cortex; Chromatography, Thin Layer; Dihydroxyphenylalanine; Fenclonine; Male; Mesencephalon; Mixed Function Oxygenases; Rats; Serotonin; Tryptophan; Tyrosine | 1971 |
The influence of catecholamines and related substances on human myocardial (Na +, K + )-ATPase.
Topics: Adenosine Triphosphatases; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Heart; Humans; Kinetics; Mandelic Acids; Microsomes; Myocardium; Norepinephrine; Normetanephrine; Osmolar Concentration; Phenylalanine; Potassium; Sodium; Tyramine; Tyrosine; Vanilmandelic Acid | 1970 |
Formation of dopamine from 3-methoxytyrosine. Fact or artifact?
Topics: Animals; Brain Chemistry; Carbon Isotopes; Catechol O-Methyltransferase; Chromatography, Paper; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Female; Mice; Monoamine Oxidase Inhibitors; Myocardium; Norepinephrine; Radiometry; Tyrosine | 1972 |
[Influence of amphetamine, ephedrine and their parahydroxylated derivatives on the fixation and distribution of 3 H tyrosine and 3 H dihydroxyphenyl alanine].
Topics: Adrenal Glands; Amphetamine; Animals; Brain; Dihydroxyphenylalanine; Ephedrine; Intestinal Mucosa; Lung; Male; Norepinephrine; Rats; Spleen; Tritium; Tyrosine | 1971 |
Some observations on the bacterial decarboxylation of metatyrosine.
Topics: Carboxy-Lyases; Decarboxylation; Dihydroxyphenylalanine; Enterococcus faecalis; Toluene; Tyrosine | 1972 |
Demethylation of L-3-methoxytyrosine in vivo.
Topics: Acetamides; Amino Acids; Animals; Brain Chemistry; Carbon Isotopes; Catechol O-Methyltransferase Inhibitors; Chromatography; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; Lactates; Male; Methylation; Norepinephrine; Normetanephrine; Phenols; Phenylacetates; Rats; Tyrosine | 1972 |
In vivo continuous estimation of 3 H-dopamine synthesis and release in the cat caudate nucleus. Effects of -methyl-p-tyrosine and of transection of the nigro neostriatal pathway.
Topics: Animals; Basal Ganglia; Cats; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Female; Male; Methyltyrosines; Neural Pathways; Substantia Nigra; Tritium; Tyrosine; Water | 1973 |
[Monoamines and choreic syndromes].
Topics: Amines; Butyrophenones; Chorea; Diazepam; Dihydroxyphenylalanine; Dopamine; Ganglia; Globus Pallidus; Homovanillic Acid; Humans; Huntington Disease; Mental Disorders; Methyldopa; Methyltyrosines; Models, Neurological; Movement Disorders; Phenothiazines; Physostigmine; Reserpine; Thalamus; Tranquilizing Agents; Tyrosine | 1972 |
Functional aspects of 5-hydroxytryptamine turnover in the central nervous system.
Topics: 5-Hydroxytryptophan; Acetamides; Animals; Antidepressive Agents; Brain; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Fenclonine; Humans; Hydrazines; Imipramine; Male; Methyldopa; Motor Activity; Nialamide; Receptors, Drug; Reserpine; Serotonin; Stimulation, Chemical; Stress, Psychological; Tryptophan; Tyrosine | 1974 |
Brain catechol synthesis: control by train tyrosine concentration.
Topics: Alanine; Animals; Benserazide; Brain Chemistry; Dihydroxyphenylalanine; Fenclonine; Histidine; Leucine; Lysine; Male; Phenylalanine; Rats; Tryptophan; Tyrosine | 1974 |
Regional changes in monoamine levels and in the rate of tyrosine and tryptophan hydroxylation in 4 week old offspring of nursing mothers treated with the neuroleptic drug penfluridol.
Topics: 5-Hydroxytryptophan; Age Factors; Animals; Animals, Newborn; Biogenic Amines; Body Weight; Brain; Brain Chemistry; Brain Stem; Breast Feeding; Corpus Striatum; Diencephalon; Dihydroxyphenylalanine; Female; Hydrocarbons, Halogenated; Hydroxylation; Limbic System; Neurons; Norepinephrine; Organ Size; Piperidines; Pregnancy; Rats; Serotonin; Toluene; Tranquilizing Agents; Tryptophan; Tyrosine | 1974 |
Hypothalamically induced defensive behavior and various neuroactive agents.
Topics: 5-Hydroxytryptophan; Animals; Atropine; Cats; Defense Mechanisms; Dihydroxyphenylalanine; Female; Fenclonine; Humans; Hypothalamus; Male; Physostigmine; Reserpine; Tyrosine | 1974 |
Electron transfer within and between haemoprotein molecules.
Topics: Amino Acid Oxidoreductases; Amino Acids; Blood Proteins; Cytochromes; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Electron Transport; Heme; In Vitro Techniques; Iron; Myoglobin; Oxidation-Reduction; Tryptophan; Tyrosine | 1965 |
The influence of certain hormones and chemicals on mammalian pigment cells.
Topics: Adrenocorticotropic Hormone; Animals; Ascorbic Acid; Chromatophores; Colchicine; Copper; Culture Techniques; Dihydroxyphenylalanine; Hydroquinones; Melanins; Melanocyte-Stimulating Hormones; Melanoma; Melatonin; Mice; Motion Pictures; Pigmentation; Tyrosine | 1966 |
[Further experimental studies on the catecholamine metabolism in extrapyramidal diseases (Parkinson and chorea syndromes)].
Topics: Aged; Carboxy-Lyases; Catecholamines; Chorea; Dihydroxyphenylalanine; Female; Humans; Hydrazines; Male; Middle Aged; NAD; Oxidoreductases; Parkinson Disease; Phenylalanine; Tyrosine | 1967 |
Role of intraneuronal vesicles in the synthesis, storage, and release of catecholamines.
Topics: Animals; Autoradiography; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Epinephrine; Guanethidine; Microscopy, Electron; Neurons; Norepinephrine; Rats; Reserpine; Sympathetic Nervous System; Synaptic Transmission; Tyrosine | 1967 |
Nature and mechanisms of oxygenases.
Topics: Amino Acids; Bacteria; Biotransformation; Catalysis; Catechol Oxidase; Chemical Phenomena; Chemistry; Cholesterol; Collagen; Dihydroxyphenylalanine; Flavin-Adenine Dinucleotide; Hydroxyproline; Lysine; NAD; Oxygen; Oxygenases; Phenylalanine; Plants; Prostaglandins; Squalene; Tryptophan Oxygenase; Tyrosine | 1969 |
Effect of false transmitters on norepinephrine synthesis.
Topics: Animals; Carbon Isotopes; Chlorisondamine; Dihydroxyphenylalanine; Dopamine; Heart; In Vitro Techniques; Metaraminol; Methyldopa; Mixed Function Oxygenases; Myocardium; Norepinephrine; Octopamine; Pempidine; Rats; Synaptic Transmission; Time Factors; Tritium; Tyrosine | 1969 |
Subcellular fractionation of bovine splenic nerves.
Topics: Alkaline Phosphatase; Animals; Carboxy-Lyases; Cattle; Centrifugation, Density Gradient; Dihydroxyphenylalanine; Dopamine; Lysosomes; Mitochondria; Mixed Function Oxygenases; Monoamine Oxidase; Nerve Tissue; Norepinephrine; Oxidoreductases; Phosphoric Monoester Hydrolases; Ribonucleases; Spleen; Tyrosine | 1969 |
Tyrosine hydroxylase activity in a transplantable islet cell tumour of golden hamster.
Topics: Adenoma, Islet Cell; Amides; Animals; Cricetinae; Dihydroxyphenylalanine; Female; Folic Acid; Hydrazines; Male; Mixed Function Oxygenases; Neoplasm Transplantation; Neoplasms, Experimental; Phenylacetates; Pyridines; Thiourea; Tyrosine | 1970 |
Myeloperoxidase of the leukocyte of normal blood. II. The oxidation-reduction reaction mechanism of the myeloperoxidase system.
Topics: Adrenochrome; Animals; Blood Platelets; Cytochromes; Dihydroxyphenylalanine; Dopamine; Epinephrine; Erythrocytes; Free Radicals; Hydrogen Peroxide; Iron; Leukocytes; Models, Chemical; NAD; Norepinephrine; Oxidation-Reduction; Oxidoreductases; Oxygen; Peroxidases; Phenols; Phenylalanine; Spectrophotometry; Swine; Time Factors; Tyrosine; Ultraviolet Rays | 1970 |
[Importance of catecholamines in internal medicine (I)].
Topics: Benzoates; Biodegradation, Environmental; Catecholamines; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Humans; Tyrosine; Vanilmandelic Acid | 1970 |
Structural determinants of catecholamine action on in vitro insulin release.
Topics: Animals; Butyrates; Catecholamines; Cricetinae; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Epinephrine; Glucose; In Vitro Techniques; Insulin; Insulin Secretion; Isoproterenol; Methyldopa; Norepinephrine; Pancreas; Phenethylamines; Phentolamine; Phenylacetates; Phenylalanine; Phenylephrine; Structure-Activity Relationship; Tyramine; Tyrosine | 1971 |
Inhibition of a cyclic nucleotide phosphodiesterase from beef heart by catecholamines and related compounds.
Topics: Adenosine Monophosphate; Amino Alcohols; Animals; Catecholamines; Cattle; Chemical Phenomena; Chemistry; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Epinephrine; Isoproterenol; Methyl Ethers; Myocardium; Norepinephrine; Phentolamine; Phenylephrine; Phosphodiesterase Inhibitors; Phosphoric Monoester Hydrolases; Propranolol; Structure-Activity Relationship; Tritium; Tyramine; Tyrosine | 1972 |
Mechanisms by which human blood platelets accumulate glycine, gaba and amino acid precursors of putative neurotransmitters.
Topics: Amino Acids; Aminobutyrates; Blood Platelets; Carbon Isotopes; Central Nervous System; Dihydroxyphenylalanine; Female; Glycine; Humans; In Vitro Techniques; Male; Phenylalanine; Protein Binding; Receptors, Drug; Synaptic Transmission; Tryptophan; Tyrosine | 1972 |
A new dopamine- -hydroxylase inhibitor: effects on the noradrenaline concentration and on the action of L-DOPA in the spinal cord.
Topics: Animals; Clonidine; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Male; Microscopy, Fluorescence; Mixed Function Oxygenases; Norepinephrine; Rats; Reflex, Stretch; Reserpine; Spinal Cord; Synaptic Transmission; Thiocarbamates; Tyrosine | 1971 |
[Sclerotin precursors in the vitelline cells of Microdalyellia fairchildi (Turbellaria)].
Topics: Animals; Catechol Oxidase; Catechols; Cestoda; Dihydroxyphenylalanine; Enzyme Precursors; Female; Histocytochemistry; Inclusion Bodies; Ovum; Phenols; Proteins; Trematoda; Tritium; Turbellaria; Tyrosine | 1972 |
Acceleration of catecholamine biosynthesis in sympathetically innervated tissues by angiotensin-II-amide..
Topics: Angiotensin II; Animals; Carbon Isotopes; Catecholamines; Chromatography; Dihydroxyphenylalanine; Guinea Pigs; Heart Atria; In Vitro Techniques; Male; Norepinephrine; Portal Vein; Rabbits; Rats; Sympathetic Nervous System; Time Factors; Tyrosine; Vas Deferens; Vasopressins | 1972 |
Reduction of sympathetic outflow by central administration of L-DOPA, dopamine and norepinephrine.
Topics: Angiotensin II; Animals; Blood Pressure; Cerebral Ventricles; Chlorides; Dihydroxyphenylalanine; Dopamine; Electrocardiography; Electrodes; Esters; Hydrogen-Ion Concentration; Male; Nerve Crush; Norepinephrine; Rats; Sympathetic Nervous System; Tyrosine | 1973 |
Acute effects of morphine on dopamine synthesis and release and tyrosine metabolism in the rat striatum.
Topics: Animals; Basal Ganglia; Circadian Rhythm; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Male; Morphine; Perchlorates; Rats; Time Factors; Tritium; Tyrosine | 1973 |
The episodic nature of changes in ovine plasma cortisol levels and their response to adrenaline during adaptation to a new environment.
Topics: Adaptation, Physiological; Adrenal Glands; Adrenocorticotropic Hormone; Animals; Dexamethasone; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Habituation, Psychophysiologic; Housing, Animal; Hydrocortisone; Injections, Intravenous; Norepinephrine; Sheep; Time Factors; Tyrosine | 1973 |
Further studies on the behavioural and biochemical interaction between caffeine and L-DOPA.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Caffeine; Carbidopa; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Female; Hydroxyindoleacetic Acid; Locomotion; Mice; Motor Activity; Norepinephrine; Receptors, Adrenergic; Serotonin; Synaptic Transmission; Tritium; Tyrosine | 1973 |
Melanin: a normal component of human eosinophils.
Topics: Adolescent; Adult; Aged; Animals; Basophils; Catecholamines; Child; Child, Preschool; Color; Dihydroxyphenylalanine; Eosinophils; Histological Techniques; Humans; Inclusion Bodies; Melanins; Melanocytes; Melanoma; Mice; Microscopy, Electron; Middle Aged; Neoplasms, Experimental; Organoids; Oxidation-Reduction; Peroxidases; Tyrosine | 1974 |
The influence of nerve-impulse flow on the synthesis and metabolism of 5-hydroxytryptamine in the central nervous system.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Axons; Brain; Cerebral Decortication; Denervation; Dihydroxyphenylalanine; Dopamine; Enzyme Induction; Hydroxylation; Indoles; Lysergic Acid Diethylamide; Mice; N,N-Dimethyltryptamine; Nialamide; Norepinephrine; Occipital Lobe; Rats; Serotonin; Spinal Cord; Synaptic Transmission; Temporal Lobe; Time Factors; Tryptophan; Tyrosine | 1972 |
Drug-induced changes in monoamine levels in the sympathetic adrenergic ganglion cells and terminals. A histochemical study.
Topics: 5-Hydroxytryptophan; Animals; Catecholamines; Dihydroxyphenylalanine; Dopamine; Ephedrine; Ganglia, Autonomic; Hydrazines; Methyldopa; Microscopy, Fluorescence; Nerve Endings; Neurochemistry; Nialamide; Pargyline; Rats; Reserpine; Tranylcypromine; Tyrosine | 1965 |
Importance of noradrenaline synthesis for the interaction between desipramine and reserpine.
Topics: Animals; Carbamates; Desipramine; Dihydroxyphenylalanine; Female; Fever; Norepinephrine; Rats; Reserpine; Tyrosine | 1966 |
The interaction of pyridoxal phosphate with tyrosine analogs.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Enzymes; Epinephrine; In Vitro Techniques; Liver; Male; Methyldopa; Methyltyrosines; Normetanephrine; Octopamine; Phenylalanine; Pyridoxal Phosphate; Rats; Transaminases; Tyramine; Tyrosine; Tyrosine Transaminase; Ultraviolet Rays | 1966 |
Modaline and locomotor activity in the mouse.
Topics: 5-Hydroxytryptophan; Animals; Dextroamphetamine; Dihydroxyphenylalanine; Enzymes; Hydrazines; Mice; Monoamine Oxidase Inhibitors; Motor Skills; Phenelzine; Tranylcypromine; Tyrosine | 1967 |
Reversal of alpha-methyltyrosine-induced behavioural depression with dihydroxyphenylalanine and amphetamine.
Topics: Amphetamine; Animals; Avoidance Learning; Behavior, Animal; Brain; Dihydroxyphenylalanine; Dopamine; Enzymes; Female; Methyltyrosines; Norepinephrine; Rats; Sodium Chloride; Tyrosine | 1967 |
Subcellular distribution of tyrosine aminotransferase in rat brain.
Topics: Animals; Brain; Cell Nucleus; Centrifugation, Density Gradient; Dihydroxyphenylalanine; Ketoglutaric Acids; Kinetics; Male; Microscopy, Electron; Microsomes; Mitochondria; Monoamine Oxidase; Monoiodotyrosine; Nerve Endings; Oxaloacetates; Phenylalanine; Pyruvates; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1969 |
Enhancement of tyrosine transamination in vivo by catecholamines.
Topics: Allopurinol; Animals; Carbon Isotopes; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; Epinephrine; Liver; Male; Norepinephrine; Rats; Stimulation, Chemical; Tyrosine; Tyrosine Transaminase | 1970 |
Purification, properties, and identity of liver mitochondrial tyrosine aminotransferase.
Topics: Amino Acids; Animals; Antibodies; Asparagine; Aspartate Aminotransferases; Aspartic Acid; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Crystallization; Cysteine; Cytoplasm; Diffusion; Dihydroxyphenylalanine; Fenclonine; Glutamates; Isoelectric Focusing; Isoenzymes; Ketoglutaric Acids; Male; Methionine; Mitochondria, Liver; Molecular Weight; Monoiodotyrosine; Oxaloacetates; Phenylpyruvic Acids; Rats; Stereoisomerism; Tryptophan; Tyrosine; Tyrosine Transaminase; Ultracentrifugation; Vibration | 1971 |
Further studies on the mechanism of the central hypotensive effect of L-dopa, DL-m-tyrosine and L-alpha-methyldopa.
Topics: Animals; Arteries; Blood Pressure; Brain; Brain Chemistry; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Male; Methyldopa; Norepinephrine; Propionates; Rats; Tyrosine | 1971 |
The formation of 3,4-dihydroxy-L-phenylalanine from L-meta-tyrosine by rat liver and beef adrenal medulla.
Topics: Adrenal Glands; Amino Acids; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Autoanalysis; Cattle; Chemical Precipitation; Chromatography, Ion Exchange; Cresols; Depression, Chemical; Dihydroxyphenylalanine; Ethanol; Female; Fluorescence; Hydroxylamines; Isomerism; Liver; Mixed Function Oxygenases; NADP; Phenylalanine; Pteridines; Quaternary Ammonium Compounds; Rats; Stimulation, Chemical; Sulfates; Tyrosine | 1971 |
Effects of some psychotropic drugs on dopamine synthesis in the rat striatum.
Topics: Amphetamine; Animals; Brain; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Kinetics; Male; Methyltyrosines; Phenothiazines; Rats; Reserpine; Stimulation, Chemical; Time Factors; Tritium; Tyrosine; Water | 1971 |
The release in vivo of dopamine synthesized from labelled precursors in the caudate nucleus of the cat.
Topics: Amphetamine; Animals; Basal Ganglia; Brain; Carbon Isotopes; Cats; Caudate Nucleus; Chromatography; Chromatography, Thin Layer; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Extracellular Space; Female; Hydrazines; Ketones; Male; Methyltransferases; Perfusion; Phenylacetates; Potassium; Substantia Nigra; Tyrosine | 1971 |
Regulation of norepinephrine synthesis.
Topics: Adrenal Glands; Animals; Chlorisondamine; Cold Temperature; Dihydroxyphenylalanine; Dopamine; Enzyme Induction; Myocardium; Norepinephrine; Phenoxybenzamine; Phentolamine; Physical Exertion; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1970 |
Juvenile parkinsonism.
Topics: Adult; Age Factors; Aged; Diagnosis, Differential; Dihydroxyphenylalanine; Dopamine; Humans; Male; Metabolism, Inborn Errors; Mixed Function Oxygenases; Parkinson Disease; Parkinson Disease, Secondary; Pedigree; Spasm; Tranquilizing Agents; Tremor; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Formation of meta-tyrosine form L-phenylalanine by beef adrenal medulla. A new biosynthetic route to catecholamines.
Topics: Adrenal Medulla; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Carbon Isotopes; Catecholamines; Cattle; Chromatography, Ion Exchange; Cresols; Dihydroxyphenylalanine; Female; Hydroxylamines; Iron; Kinetics; Methyltyrosines; Monoiodotyrosine; NAD; Phenols; Phenylalanine; Pteridines; Rats; Stereoisomerism; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Dynamic characteristic of the 'functional compartment' of dopamine in dopaminergic terminals of the rat striatum.
Topics: Animals; Basal Ganglia; Dihydroxyphenylalanine; Dopamine; Male; Methyltyrosines; Nerve Endings; Phenothiazines; Rats; Tritium; Tyrosine | 1971 |
Angiotensin and biosynthesis of norepinephrine.
Topics: Angiotensin II; Animals; Axons; Chromatography, Ion Exchange; Depression, Chemical; Desipramine; Dihydroxyphenylalanine; Heart Atria; In Vitro Techniques; Myocardium; Norepinephrine; Ouabain; Rats; Receptors, Adrenergic; Stimulation, Chemical; Trichloroacetic Acid; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Susceptibility to audiogenic stimuli induced by hyperbaric oxygenation and various neuroactive agents.
Topics: 5-Hydroxytryptophan; Animals; Atropine; Brain; Dihydroxyphenylalanine; Fenclonine; Hyperbaric Oxygenation; Male; Mixed Function Oxygenases; Neurotransmitter Agents; Physostigmine; Rats; Reserpine; Seizures; Sound; Synaptic Transmission; Tyrosine | 1971 |
The role of central monoamines in decapitation convulsions of mice.
Topics: Amines; Amphetamine; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Fenclonine; Guanethidine; Male; Mice; Monoamine Oxidase Inhibitors; Neurotransmitter Agents; Phenoxybenzamine; Reserpine; Seizures; Tetrabenazine; Tranylcypromine; Tyrosine | 1971 |
Biosynthesis of a thouracil pheomelanin in embryonic pigment cells exposed to thouracil.
Topics: Adrenal Glands; Animals; Carbon Isotopes; Catechol Oxidase; Cells, Cultured; Chick Embryo; Dihydroxyphenylalanine; Epithelial Cells; Epithelium; Heart Ventricles; Inclusion Bodies; Kinetics; Leucine; Liver; Melanins; Myocardium; Phenylthiourea; Propylthiouracil; Quinones; Retina; Skin; Sulfur Isotopes; Thiouracil; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Tyrosine hydroxylase in bovine caudate nucleus.
Topics: Animals; Carbon Isotopes; Cattle; Caudate Nucleus; Chromatography; Dihydroxyphenylalanine; Dopamine; Iron; Mixed Function Oxygenases; Trypsin; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Catecholamines and the hydroxylation of tyrosine in synaptosomes isolated from rat brain.
Topics: Animals; Autoradiography; Brain; Catecholamines; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; Male; Methyldopa; Methyltyrosines; Mixed Function Oxygenases; Monoiodotyrosine; Norepinephrine; Normetanephrine; Octopamine; Phenethylamines; Rats; Serotonin; Synaptic Vesicles; Time Factors; Tritium; Tyramine; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Biochemical pharmacology of catecholamines and its clinical implications.
Topics: Adrenal Medulla; Adrenocorticotropic Hormone; Brain; Catecholamines; Catechols; Dihydroxyphenylalanine; Dopamine; Epinephrine; Humans; Monoamine Oxidase; Neurotransmitter Agents; Norepinephrine; Tritium; Tyrosine; Tyrosine Decarboxylase | 1971 |
Assay of tyrosine hydroxylase by coupled decarboxylation of DOPA formed from 1- 14 C-L-tyrosine.
Topics: Adrenal Glands; Adrenal Medulla; Animals; Brain; Carbon Dioxide; Carbon Isotopes; Carboxy-Lyases; Cattle; Caudate Nucleus; Dihydroxyphenylalanine; Guinea Pigs; Kidney; Kinetics; Methods; Mixed Function Oxygenases; Pargyline; Rabbits; Rats; Swine; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Metabolism of putative transmitters in individual neurons of Aplysia californica: aromatic amino acid decarboxylase.
Topics: 5-Hydroxytryptophan; Animals; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Ganglia; Histidine; In Vitro Techniques; Kinetics; Mollusca; Neurons; Neurotransmitter Agents; Tyrosine | 1972 |
Regulatory properties of soluble and particulate rat brain tyrosine hydroxylase.
Topics: Animals; Brain; Carbon Isotopes; Centrifugation, Density Gradient; Dihydroxyphenylalanine; Dopamine; Kinetics; Male; Mesencephalon; Microscopy, Electron; Mixed Function Oxygenases; Norepinephrine; Pterins; Rats; Tritium; Tryptamines; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
The biosynthesis of octopamine.
Topics: Animals; Brain; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Half-Life; In Vitro Techniques; Male; Methyltyrosines; Monoamine Oxidase Inhibitors; Monoiodotyrosine; Myocardium; Octopamine; Phenylalanine; Rats; Tyramine; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Alteration of rat brain catecholamine metabolism during exposure to hypobaric hypoxia.
Topics: Altitude; Animals; Brain; Brain Chemistry; Catecholamines; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; Ecological Systems, Closed; Hypoxia; Male; Methyltyrosines; Norepinephrine; Pressure; Rats; Time Factors; Tritium; Tyrosine | 1972 |
Effect of morphine on tyrosine hydroxylase activity in mouse brain.
Topics: Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; In Vitro Techniques; Mice; Mixed Function Oxygenases; Morphine; Stereotaxic Techniques; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Tyrosine hydroxylation in the banana plant.
Topics: Ammonium Sulfate; Carbon Isotopes; Catechol Oxidase; Catecholamines; Chromatography, Paper; Dihydroxyphenylalanine; Electrophoresis; Enzyme Activation; Hydroxylation; Oxidoreductases; Plant Physiological Phenomena; Plants; Solubility; Stereoisomerism; Structure-Activity Relationship; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Feedback control of dopamine synthesis in dopaminergic terminals of the rat striatum.
Topics: Animals; Basal Ganglia; Benztropine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Feedback; Hydrazines; In Vitro Techniques; Kinetics; Male; Pargyline; Rats; Rats, Inbred Strains; Spectrometry, Fluorescence; Time Factors; Tritium; Tyrosine; Water | 1972 |
Some biochemical and behavioural correlates of a possible animal model of human hyperkinetic syndromes.
Topics: Amphetamine; Animals; Atropine; Behavior, Animal; Catecholamines; Cats; Caudate Nucleus; Chlorpromazine; Cholinesterase Inhibitors; Chromatography, Thin Layer; Dihydroxyphenylalanine; Disease Models, Animal; Dopamine; Electric Stimulation; Ganglionic Blockers; Movement Disorders; Phenylacetates; Picrotoxin; Rats; Tranquilizing Agents; Tritium; Tubocurarine; Tyrosine | 1972 |
Simultaneous measurement of tyrosine and tryptophan hydroxylase activities in brain in vivo using an inhibitor of the aromatic amino acid decarboxylase.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Carboxy-Lyases; Catecholamines; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; Male; Methyltyrosines; Mixed Function Oxygenases; Rats; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Tyrosine hydroxylase in rat brain--cofactor requirements, regional and subcellular distribution.
Topics: Animals; Brain; Brain Chemistry; Cerebellum; Cerebral Cortex; Chromatography, Thin Layer; Coenzymes; Corpus Striatum; Dihydroxyphenylalanine; Dimethylphenylpiperazinium Iodide; Female; Hypothalamus; Kinetics; Medulla Oblongata; Mesencephalon; Oxidoreductases; Pons; Proteins; Pteridines; Rats; Sheep; Subcellular Fractions; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
The formation in vivo of 3,4-dihydroxyphenylalanine (DOPA) from 3-hydroxy-DL-phenylalanine (m-tyrosine).
Topics: Animals; Benzyl Compounds; Brain; Brain Chemistry; Carboxy-Lyases; Depression, Chemical; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Hydrazines; Kinetics; Liver; Male; Phenylalanine; Propionates; Stimulation, Chemical; Time Factors; Tyrosine | 1974 |
[Disorder of tyrosine metabolism and excretion of free catecholamines in young children with pneumonia].
Topics: Dihydroxyphenylalanine; Epinephrine; Humans; Norepinephrine; Pneumonia; Tyrosine | 1974 |
Aterial blood pressure in dogs: effects of m-tyrosine alone or in combination with inhibitors of aromatic amino acid decarboxylase; relative hypotensive potencies of L-dopa, DL-m-tyrosine, and L-m-tyrosine.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benserazide; Blood Pressure; Carbidopa; Dihydroxyphenylalanine; Dogs; Female; Heart Rate; Hydrazines; Male; Tyrosine | 1974 |
Studies on SK and F 7698; an inhibitor of phenylethanolamine N-methyltransferase (PNMT).
Topics: Adrenal Glands; Animals; Aorta, Thoracic; Blood Pressure; Brain Chemistry; Carbon Radioisotopes; Dihydroxyphenylalanine; Dogs; Dopamine; Dose-Response Relationship, Drug; Epinephrine; Female; Heart Atria; Heart Rate; In Vitro Techniques; Kinetics; Male; Muscle Contraction; Norepinephrine; Phenylethanolamine N-Methyltransferase; Pyridines; Rabbits; Rats; S-Adenosylmethionine; Stimulation, Chemical; Tritium; Tyrosine | 1974 |
[Effect of successive cooling and immobilization on catecholamine metabolism in rat tissues].
Topics: Adrenal Glands; Animals; Carotid Arteries; Catecholamines; Cold Temperature; Dihydroxyphenylalanine; Epinephrine; Hypothalamus; Immobilization; In Vitro Techniques; Male; Myocardium; Norepinephrine; Rats; Sympathetic Nervous System; Tyrosine | 1974 |
Melanocytic neoplasms.
Topics: Dihydroxyphenylalanine; Epinephrine; Humans; Melanins; Melanocytes; Melanoma; Mustard Compounds; Neoplasm Metastasis; Neurons; Phenylalanine; Pigments, Biological; Skin Neoplasms; Tyrosine | 1974 |
Simultaneous measurement of DOPA and its primary metabolites in physiological fluids.
Topics: Autoanalysis; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Evaluation Studies as Topic; Homovanillic Acid; Humans; Methods; Methyl Ethers; Phenylacetates; Pressure; Spectrometry, Fluorescence; Time Factors; Tyrosine | 1974 |
L-dihydroxyphenylalanine: effect on levels of free amino acids in rat liver.
Topics: Amino Acids; Animals; Aspartic Acid; Dihydroxyphenylalanine; Glutamates; Isoleucine; Liver; Male; Methionine; Organ Size; Rats; Serine; Threonine; Tyrosine | 1974 |
Variations in L-dopa absorption. Report of a parkinsonian patient with high plasma dopa concentration after therapeutical L-dopa dose.
Topics: Administration, Oral; Aged; Carbon Radioisotopes; Decarboxylation; Dihydroxyphenylalanine; Dopamine; Female; Humans; Injections, Intravenous; Levodopa; Male; Middle Aged; Parkinson Disease; Phenylalanine; Stimulation, Chemical; Sulfates; Tyrosine | 1974 |
Reinitiation of estrous cycles in light-induced constant estrous female rats by drugs.
Topics: Amphetamine; Amphetamines; Animals; Autonomic Agents; Brain; Catecholamines; Dihydroxyphenylalanine; Estrus; Female; Iproniazid; Light; Luteinizing Hormone; Methyldopa; Ovulation; Periodicity; Pregnancy; Rats; Reserpine; Serotonin; Tyrosine | 1974 |
The interactions between biogenic amines and pyridoxal, pyridoxal phosphate, and pyridoxal kinase.
Topics: 5-Hydroxytryptophan; Adenosine Triphosphate; Amines; Animals; Biogenic Amines; Brain; Cattle; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopamine; Norepinephrine; Phosphotransferases; Picolines; Pyridoxal Phosphate; Pyridoxine; Serotonin; Spectrophotometry; Tryptophan; Tyrosine; Zinc | 1972 |
Amino acid decarboxylase activity in "nude" mouse liver.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Carboxy-Lyases; Dihydroxyphenylalanine; Female; Genotype; Glutamates; Histidine; Infertility; Kidney; Liver; Male; Mice; Mutation; Thymus Gland; Transplantation, Homologous; Tryptophan; Tyrosine; Ultrasonics | 1973 |
Biosynthesis and excretion of meta and para tyramine in the rat.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Injections, Intraperitoneal; Isomerism; Male; Rats; Rats, Inbred Strains; Tyramine; Tyrosine | 1974 |
Inhibition of norepinephrine biosynthesis by -methyl amino acids in the guinea-pig vas deferens.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Carbon Isotopes; Dihydroxyphenylalanine; Dopamine; Guinea Pigs; Hypogastric Plexus; In Vitro Techniques; Male; Methylamines; Methyldopa; Methyltyrosines; Norepinephrine; Octopamine; Tritium; Tyramine; Tyrosine; Vas Deferens | 1972 |
Octopamine in the lobster nervous system.
Topics: Animals; Brain Chemistry; Carbon Isotopes; Dihydroxyphenylalanine; Dopamine; Ganglia; Methyltransferases; Nephropidae; Nerve Tissue; Octopamine; Peripheral Nerves; Phenethylamines; Tyramine; Tyrosine | 1972 |
The effect of L-dopa on insulin release by isolated pancreatic islets of the rat.
Topics: Animals; Dihydroxyphenylalanine; Drug Synergism; Insulin; Insulin Secretion; Islets of Langerhans; Male; Methyldopa; Organ Culture Techniques; Radioimmunoassay; Rats; Species Specificity; Structure-Activity Relationship; Tyrosine | 1973 |
False neurotransmitters and hepatic coma.
Topics: Amines; Animals; Brain; Dihydroxyphenylalanine; Female; Hepatic Encephalopathy; Humans; Intestinal Mucosa; Kanamycin; Ligation; Liver; Motor Activity; Myocardium; Norepinephrine; Octopamine; Phenylalanine; Rats; Serotonin; Tyramine; Tyrosine | 1974 |
Liquid cation exchange--a basis for sensitive radiometric assays for aromatic amino acid decarboxylases.
Topics: Aminobutyrates; Animals; Carbon Isotopes; Carboxy-Lyases; Carnitine; Choline; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Drosophila melanogaster; Glutamates; Histamine; Histidine; Hydrogen-Ion Concentration; Ion Exchange; Methods; Norepinephrine; Organophosphorus Compounds; Phenethylamines; S-Adenosylmethionine; Serotonin; Tritium; Tyramine; Tyrosine; Tyrosine Decarboxylase | 1972 |
Effect of thiol compounds on melanin formation by tyrosinase.
Topics: Ascorbic Acid; Basidiomycota; Catalysis; Catechol Oxidase; Catechols; Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Paper; Crystallization; Cysteine; Dihydroxyphenylalanine; Glutathione; Infrared Rays; Kinetics; Magnetic Resonance Spectroscopy; Melanins; Oxidation-Reduction; Quinones; Spectrophotometry; Sulfhydryl Compounds; Tritium; Tyrosine; Ultraviolet Rays | 1972 |
Chromogenicity of Streptomyces.
Topics: Agar; Amino Acids; Bacteriological Techniques; Carbohydrate Metabolism; Catechol Oxidase; Culture Media; Dihydroxyphenylalanine; Glutamates; Iron; Melanins; Peptones; Plant Extracts; Saccharomyces; Species Specificity; Spectrophotometry; Streptomyces; Tyrosine | 1972 |
Fate of L-(3,5- 3H) tyrosine in cell-free extracts and tissue cultures of melanoma cells: a new assay method for tyrosinase in living cells.
Topics: Animals; Catechol Oxidase; Cell Line; Cell-Free System; Cells, Cultured; Chromatography, Paper; Culture Media; Dihydroxyphenylalanine; Humans; Hydroxylation; Melanins; Melanoma; Methods; Mice; Mice, Inbred Strains; Pyridines; Thiocarbamates; Tritium; Tyrosine | 1972 |
Intracellular localization of tyrosinase inhibitor in amelanotic and melanotic malignant melanoma.
Topics: Animals; Catechol Oxidase; Cricetinae; Cytoplasm; Dihydroxyphenylalanine; Golgi Apparatus; Melanins; Melanoma; Microscopy, Electron; Mitochondria; Neoplasms, Experimental; Succinate Dehydrogenase; Tyrosine | 1972 |
Genetic and metabolic bases of two "albino" phenotypes in the leopard frog, Rana pipiens.
Topics: Albinism; Animals; Anura; Catechol Oxidase; Chromatophores; Crosses, Genetic; Culture Techniques; Dihydroxyphenylalanine; Female; Genes, Recessive; Larva; Male; Melanins; Melanocytes; Metamorphosis, Biological; Mexico; Michigan; Phenotype; Pigmentation; Rana pipiens; Tyrosine | 1972 |
Cytochemical localization of tyrosinase activity in pigmented epithelial cells of Rana pipiens and Xenopus laevis larvae.
Topics: Animals; Anura; Catechol Oxidase; Chromatophores; Dihydroxyphenylalanine; Epithelial Cells; Epithelium; Golgi Apparatus; Histocytochemistry; Larva; Melanins; Microscopy, Electron; Microtubules; Models, Structural; Phenylthiourea; Rana pipiens; Retina; Tyrosine; Xenopus | 1972 |
Chromogenesis mirabilis in Streptomyces griseus.
Topics: Agar; Amino Acids; Catechol Oxidase; Cell-Free System; Culture Media; Cysteine; Dihydroxyphenylalanine; Melanins; Oxidoreductases; Peptones; Species Specificity; Spectrophotometry; Stereoisomerism; Streptomyces; Streptomyces griseus; Tritium; Tyrosine | 1972 |
A rapid histochemical test for mammalian tyrosinase.
Topics: Animals; Ascorbic Acid; Catechol Oxidase; Dihydroxyphenylalanine; Guinea Pigs; Histocytochemistry; Humans; Melanocytes; Methods; Skin; Tyrosine | 1973 |
Purification and characterization of a tyrosinase from Streptomyces glaucescens.
Topics: Amino Acids; Basidiomycota; Catechol Oxidase; Catechols; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Computers; Copper; Cyanides; Dihydroxyphenylalanine; Electrophoresis, Disc; Esters; Hydrogen-Ion Concentration; Isoelectric Focusing; Kinetics; Molecular Weight; Nitro Compounds; Oxygen Consumption; Phenols; Streptomyces; Tyrosine; Ultracentrifugation | 1972 |
The production and some properties of the brown pigment of Aeromonas liquefaciens.
Topics: Aeromonas; Catechol Oxidase; Catechols; Culture Media; Dihydroxyphenylalanine; Enzyme Precursors; Hydrogen-Ion Concentration; Pigments, Biological; Tyrosine | 1972 |
Action of m-tyrosine in experimental models: evidence for possible antiparkinsonian activity.
Topics: Animals; Antiparkinson Agents; Behavior, Animal; Benserazide; Brain Chemistry; Denervation; Dihydroxyphenylalanine; Haplorhini; Histocytochemistry; Hydroxydopamines; Models, Biological; Rats; Receptors, Drug; Reserpine; Spectrometry, Fluorescence; Substantia Nigra; Tremor; Tyrosine | 1973 |
Tyrosinase in the presumptive pigment cells of ascidian embryos: tyrosine accessibility may initiate melanin synthesis.
Topics: Animals; Brain; Catechol Oxidase; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Freezing; Histocytochemistry; Larva; Melanins; Monophenol Monooxygenase; Osmotic Pressure; Phenylthiourea; Puromycin; Tyrosine; Urochordata | 1973 |
Bursicon: its effect on tyrosine permeation into insect haemocytes.
Topics: Animals; Blood Cells; Calcium; Cell Membrane; Cell Membrane Permeability; Chelating Agents; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Hemolymph; Insecta; Invertebrate Hormones; Isotonic Solutions; Larva; Magnesium; Sodium; Thiocarbamates; Time Factors; Tyrosine | 1972 |
[Effect of DOPA and tyrosine on catecholamine metabolism upon electric stimulation of the sciatic nerve in rats].
Topics: Adrenal Glands; Animals; Catecholamines; Dihydroxyphenylalanine; Electric Stimulation; Epinephrine; Hypothalamus; Male; Myocardium; Norepinephrine; Normetanephrine; Peripheral Nerves; Rats; Sciatic Nerve; Tyrosine | 1972 |
Pathogenesis of phenylketonuria: inhibition of DOPA and catecholamine synthesis in patients with phenylketonuria.
Topics: Amino Acid Metabolism, Inborn Errors; Catecholamines; Catechols; Child; Child, Preschool; Deuterium; Dihydroxyphenylalanine; Dopamine; Glycols; Homovanillic Acid; Humans; Mass Spectrometry; Phenylalanine; Phenylketonurias; Tyrosine; Vanilmandelic Acid | 1972 |
Effect of drugs on the synthesis of noradrenaline in guinea-pig vas deferens.
Topics: Animals; Bretylium Compounds; Carbon Isotopes; Catecholamines; Cattle; Dihydroxyphenylalanine; Guinea Pigs; In Vitro Techniques; Male; Nerve Tissue; Norepinephrine; Pargyline; Pteridines; Reserpine; Time Factors; Tyramine; Tyrosine; Vas Deferens | 1972 |
Effect of scopolamine on the cerebral accumulation of 14 C-catecholamines from 14 C-tyrosine.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; Male; Mandelic Acids; Mice; Mice, Inbred Strains; Motor Activity; Norepinephrine; Normetanephrine; Phenylacetates; Scopolamine; Tyramine; Tyrosine | 1972 |
[Biochemical diagnosis of pheochromocytoma, neuroblastoma and other neuro-ectodermal neoplasms].
Topics: Adolescent; Adult; Catecholamines; Child; Child, Preschool; Dihydroxyphenylalanine; Dopamine; Electrophoresis, Paper; Epinephrine; Female; Ganglioneuroma; Glycols; Histocytochemistry; Humans; Infant; Male; Melanoma; Methods; Middle Aged; Neoplasms; Nervous System Diseases; Neuroblastoma; Norepinephrine; Normetanephrine; Pheochromocytoma; Sympathetic Nervous System; Tyramine; Tyrosine; Vanilmandelic Acid | 1972 |
Catecholamine localization, content, and metabolism in the gill of two lamellibranch molluscs.
Topics: Animals; Biogenic Amines; Bivalvia; Catecholamines; Denervation; Dihydroxyphenylalanine; Dopamine; Ganglia; Gills; Histocytochemistry; In Vitro Techniques; Microscopy, Fluorescence; Monoamine Oxidase Inhibitors; Nialamide; Norepinephrine; Reserpine; Tyrosine | 1972 |
[Etiology of vitiligo].
Topics: Animals; Cinnamates; Dihydroxyphenylalanine; Guinea Pigs; In Vitro Techniques; Male; Melanins; Melanocytes; Phenols; Pyruvates; Tyrosine; Vitiligo | 1972 |
Chromosomal control of foot pad development in Sarcophaga bullata. 3. Requirement of RNA and protein synthesis for cuticle formation and tanning.
Topics: Animals; Autoradiography; Chitin; Chromosomes; Cycloheximide; Dactinomycin; Dihydroxyphenylalanine; Diptera; Dopamine; Extremities; Leucine; Protein Biosynthesis; RNA; Templates, Genetic; Tritium; Tyrosine; Uridine | 1972 |
L-dopa in Parkinsonism. A possible mechanism of action.
Topics: Amines; Animals; Basal Ganglia; Brain; Carbon Isotopes; Cerebral Cortex; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Frontal Lobe; Hydroxydopamines; Methyldopa; Norepinephrine; Parkinson Disease; Rats; Serotonin; Tritium; Tyrosine; Urea | 1972 |
Separation of L-tyrosine in mixture over Dowex-I in borate form.
Topics: Borates; Chromatography, Ion Exchange; Chromatography, Paper; Dihydroxyphenylalanine; Electrophoresis, Paper; Hydrogen-Ion Concentration; Methods; Tyrosine | 1972 |
Effect of phencyclidine on the accumulation of 14 C-catecholamines formed from 14 C-tyrosine.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; Male; Mandelic Acids; Mice; Motor Activity; Norepinephrine; Normetanephrine; Phencyclidine; Phenylacetates; Tyrosine | 1973 |
Stereospecificity of blood-brain barrier permeability to amino acids.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Histidine; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Rats; Threonine; Tritium; Tryptophan; Tyrosine; Valine | 1973 |
Catecholamine metabolism in the brains of ageing male mice.
Topics: Aging; Animals; Brain; Brain Stem; Cerebellum; Corpus Striatum; Dihydroxyphenylalanine; DNA; Dopa Decarboxylase; Dopamine; Fluorometry; Hypothalamus; Male; Mice; Norepinephrine; Organ Size; Tritium; Tyrosine | 1973 |
Effect of hypoxia on tyrosine and tryptophan hydroxylation in unanaesthetized rat brain.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Brain Chemistry; Dihydroxyphenylalanine; Hydroxylation; Hypoxia; Male; Nitrogen; Oxygen; Rats; Serotonin; Tryptophan; Tyrosine | 1973 |
Peroxidase mediated oxidation of tyrosine: tyrosine hydroxylation in tea leaves.
Topics: Ascorbic Acid; Buffers; Cysteine; Dihydroxyphenylalanine; Glutathione; Hydrogen-Ion Concentration; Hydroxylation; Melanins; Mercaptoethanol; Oxidation-Reduction; Peroxidases; Sulfites; Tea; Tyrosine | 1973 |
The effects of drugs which modify catecholamine synthesis on serum prolactin in rats with median eminence lesions.
Topics: Animals; Carbamates; Catecholamines; Dihydroxyphenylalanine; Female; Hypothalamus; Male; Pituitary Gland; Prolactin; Rats; Tyrosine | 1973 |
An analytical study of catecholamine metabolites by phosphorimetry.
Topics: Amino Alcohols; Catecholamines; Dihydroxyphenylalanine; Epinephrine; Homovanillic Acid; Hydrogen-Ion Concentration; Luminescent Measurements; Methods; Norepinephrine; Normetanephrine; Phenethylamines; Phenylacetates; Tyrosine; Vanilmandelic Acid | 1973 |
Column chromatographic separation of acidic and neutral and basic metabolites of tyrosine and dihydroxyphenylalanine.
Topics: Benzoates; Carbon Isotopes; Catecholamines; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Ethanol; Glycols; Homogentisic Acid; Lactates; Mandelic Acids; Methods; Phenols; Phenylacetates; Phenylpyruvic Acids; Tritium; Tyramine; Tyrosine | 1973 |
[The betalaines, a new class of chymochromic pigments].
Topics: Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Electrophoresis, Paper; Magnetic Resonance Spectroscopy; Pigments, Biological; Plants; Tyrosine | 1973 |
Monitoring phenylalanine-tyrosine metabolism by high-resolution liquid chromatography of urine.
Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Autistic Disorder; Carbidopa; Catechols; Child; Chromatography, Gas; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Hippurates; Homovanillic Acid; Humans; Hyperkinesis; Intellectual Disability; Lactates; Mandelic Acids; Mass Spectrometry; Methods; Nervous System Diseases; Parkinson Disease; Phenylacetates; Phenylalanine; Spectrophotometry, Ultraviolet; Tyrosine | 1973 |
Subcellular demonstration of peroxidatic oxidation of tyrosine to melanin using dihydroxyfumarate as cofactor in mouse melanoma cells.
Topics: Amines; Animals; Biphenyl Compounds; Carbamates; Dihydroxyphenylalanine; Endoplasmic Reticulum; Fumarates; Golgi Apparatus; Hydrogen Peroxide; Melanins; Melanoma; Mice; Microscopy, Electron; Neoplasm Transplantation; Neoplasms, Experimental; Oxidation-Reduction; Peroxidases; Thiocarbamates; Tyrosine | 1973 |
Formation of catecholamines and acid metabolites by Octopus brain.
Topics: Animals; Brain; Carbon Radioisotopes; Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; In Vitro Techniques; Kinetics; Mandelic Acids; Norepinephrine; Octopodiformes; Phenylacetates; Tritium; Tyramine; Tyrosine | 1973 |
Saturation of blood brain barrier transport of amino acids in phenylketonuria.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Histidine; Humans; Intellectual Disability; Isoleucine; Leucine; Lysine; Male; Methionine; Ornithine; Phenylalanine; Phenylketonurias; Rats; Threonine; Tryptophan; Tyrosine; Valine | 1973 |
Effects of L-dopa and L-3-methoxytyrosine on D-methamphetamine-induced motor activity and seizures induced by electroshock.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Electroshock; Male; Methamphetamine; Methyl Ethers; Motor Activity; Norepinephrine; Rats; Seizures; Tyrosine | 1973 |
Color changes, unusual melanosomes, and a new pigment from leaf frogs.
Topics: Alanine; Animals; Anura; Chromatophores; Dihydroxyphenylalanine; Melanins; Pigmentation; Pigments, Biological; Skin; Spectrophotometry, Ultraviolet; Tritium; Tyrosine | 1973 |
Chemical ionization mass spectrometry of complex molecules: biogenic amines.
Topics: Biogenic Amines; Dihydroxyphenylalanine; Histidine; Ions; Mass Spectrometry; Tryptophan; Tyrosine | 1973 |
[A new synthesis of 3-(3,4-diphydroyphenyl)-L-alanine (L-DOPA) from L-tyrosine].
Topics: Dihydroxyphenylalanine; Magnetic Resonance Spectroscopy; Optical Rotation; Spectrophotometry, Ultraviolet; Tyrosine | 1973 |
[State of catecholamine synthesis during development of muscular fatigue].
Topics: Adrenal Glands; Animals; Catecholamines; Dihydroxyphenylalanine; In Vitro Techniques; Male; Physical Exertion; Rats; Tyrosine | 1973 |
[The effect of tyrosine on catecholamine biosynthesis in intact rats].
Topics: Adrenal Glands; Animals; Catecholamines; Dihydroxyphenylalanine; Epinephrine; Hypothalamus; Male; Myocardium; Norepinephrine; Normetanephrine; Rats; Tyrosine | 1973 |
[Pharmacologic study of a giant neuron identified in the subesophageal ganglia of the giant African snail (Achatina fulicula Ferussac) sensitive to 5-hydroxytryptamine and dopamine].
Topics: Aminobutyrates; Animals; Creatinine; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ganglia; Glutamates; Glycine; Histamine; Membrane Potentials; Neurons; Norepinephrine; Parasympathomimetics; Prostaglandins; Serotonin; Snails; Tyrosine | 1973 |
The role of phenylalanine in differentiating amphibian melanocytes.
Topics: Ambystoma; Animals; Autoradiography; Cell Differentiation; Dihydroxyphenylalanine; Ganglia; Lactates; Leucine; Melanins; Melanocytes; Nervous System; Phenylalanine; Protein Biosynthesis; Puromycin; Tritium; Tyrosine | 1973 |
[Characteristics of the electronic structure of catecholamines and their precursors].
Topics: Catecholamines; Computers; Dihydroxyphenylalanine; Dopamine; Electrons; Epinephrine; Norepinephrine; Phenylalanine; Tyrosine | 1973 |
[Study of the regulation of cardiac norepinephrine biosynthesis in the rat].
Topics: Alcohols; Animals; Catechol O-Methyltransferase Inhibitors; Chromatography, Ion Exchange; Cycloheptanes; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Iproniazid; Ketones; Male; Myocardium; Norepinephrine; Rats; Spectrometry, Fluorescence; Tritium; Tyrosine | 1973 |
Synthesis of DOPA in rat stomach following ingestion of cereals.
Topics: Animals; Brain Chemistry; Caseins; Dihydroxyphenylalanine; Dopamine; Edible Grain; Gastric Mucosa; Male; Phenylacetates; Rats; Time Factors; Tritium; Tyrosine | 1974 |
Saligenin analogs of l-DOPA and dl-alpha-methyl-DOPA.
Topics: Animals; Antiparkinson Agents; Blood Pressure; Desoxycorticosterone; Dihydroxyphenylalanine; Dopa Decarboxylase; Guinea Pigs; Haloperidol; Kidney; Methanol; Methyldopa; Methyltyrosines; Mice; Myocardium; Norepinephrine; Rats; Tyrosine | 1974 |
Epinephrine binding to rat adipocytes and their subcellular fractions.
Topics: Adipose Tissue; Animals; Binding Sites; Cell Membrane; Dihydroxyphenylalanine; Epinephrine; Isoproterenol; Liver; Methyldopa; Microsomes; Mitochondria; Mitochondria, Liver; Phentolamine; Propranolol; Rats; Tritium; Tyrosine | 1974 |
Interaction of nitrite with proteins at gastric pH.
Topics: Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Gastric Juice; Hydrogen-Ion Concentration; Hydrolysis; Nitrites; Nitroso Compounds; Oxidation-Reduction; Serum Albumin, Bovine; Tyrosine | 1974 |
Changes in neostriatal DA metabolism after carbachol or atropine microinjections into the substantia nigra.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Atropine; Carbachol; Caudate Nucleus; Chromatography, Ion Exchange; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydrazines; Injections, Intravenous; Male; Methods; Microinjections; Rats; Substantia Nigra; Time Factors; Tritium; Tyrosine | 1974 |
Microbiological synthesis of L-dopa.
Topics: Aspergillus; Chromatography, Ion Exchange; Chromatography, Thin Layer; Cinnamates; Dihydroxyphenylalanine; Fermentation; Filtration; Kinetics; Mitosporic Fungi; Spectrophotometry, Ultraviolet; Tyrosine | 1974 |
Histochemical studies of nonenzymatic reduction of nitro-BT by catecholamines and their precursors in extracellular model systems.
Topics: Animals; Basal Ganglia; Catecholamines; Cats; Cerebral Cortex; Cystine; Dihydroxyphenylalanine; Epinephrine; Histocytochemistry; Homocystine; Norepinephrine; Oxidation-Reduction; Phenylalanine; Rats; Tetrazolium Salts; Tyrosine | 1974 |
[Implications of the formulation of m-tyrosine from DOPA for Parkinsonism].
Topics: Animals; Catecholamines; Chemoreceptor Cells; Dihydroxyphenylalanine; Humans; Parkinson Disease; Tyrosine | 1974 |
Nucleus ruber and L-dopa psychosis: biochemical post-mortem findings.
Topics: Aged; Amygdala; Autopsy; Biogenic Amines; Caudate Nucleus; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Female; Globus Pallidus; Gyrus Cinguli; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Norepinephrine; Parkinson Disease; Psychoses, Substance-Induced; Red Nucleus; Serotonin; Substantia Nigra; Tryptophan; Tyrosine | 1974 |
Ethanol and caffeine: a complex interaction with respect to locomotor activity and central catecholamines.
Topics: Analysis of Variance; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benzyl Compounds; Brain; Caffeine; Catecholamines; Chemoreceptor Cells; Clonidine; Dihydroxyphenylalanine; Dopamine; Drug Interactions; Ethanol; Female; Hydrazines; Locomotion; Mice; Norepinephrine; Piperazines; Pyrimidines; Receptors, Drug; Reserpine; Stimulation, Chemical; Tritium; Tyrosine | 1974 |
In vivo release of endogenously synthesized catecholamines from the cat brain evoked by electrical stimulation and by d-amphetamine.
Topics: Aluminum; Animals; Brain; Carbon Radioisotopes; Cats; Caudate Nucleus; Chromatography; Chromatography, Ion Exchange; Chromatography, Thin Layer; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Hypothalamus; Norepinephrine; Perfusion; Time Factors; Tritium; Tyrosine | 1974 |
Thyroxine and brain catecholamines: increased transmitter synthesis and increased receptor sensitivity.
Topics: Animals; Brain; Clonidine; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Exploratory Behavior; Female; Heart; Homovanillic Acid; Locomotion; Male; Mice; Norepinephrine; Organ Size; Probenecid; Receptors, Adrenergic; Reserpine; Stimulation, Chemical; Thyroxine; Tritium; Tyrosine | 1974 |
Cereal ingestion and catecholamine excretion.
Topics: Analysis of Variance; Animals; Catecholamines; Chromatography, Paper; Diet; Dihydroxyphenylalanine; Dopamine; Edible Grain; Gastric Mucosa; Homovanillic Acid; Humans; Lyases; Male; Milk; Norepinephrine; Phenylacetates; Tyrosine | 1974 |
The fluorometric assay of catecholamines and related compounds: improvements and extensions to the hydroxyindole technique.
Topics: Animals; Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Fluorometry; Hydrogen-Ion Concentration; Indoles; Iodine; Methyldopa; Methyltyrosines; Norepinephrine; Normetanephrine; Octopamine; Oxidation-Reduction; Phenethylamines; Rats; Tissue Extracts; Tyramine; Tyrosine | 1968 |
Fluorescence assay of tyrosine hydroxylase activity in tissue homogenate.
Topics: Adrenal Glands; Brain Chemistry; Carbon Isotopes; Dihydroxyphenylalanine; Fluorescent Antibody Technique; Mixed Function Oxygenases; Tritium; Tyrosine | 1968 |
[Metabolic products of microorganisms. 88. Effect of L-2,5-dihydrophenylalanine--a phenylalanine antagonist].
Topics: Amino Acids; Dihydroxyphenylalanine; Escherichia coli; Mutation; Phenylalanine; Tyrosine | 1971 |
Therapeutic implications in Parkinsonism of m-tyramine formation from L-dopa in man.
Topics: Brain Chemistry; Chromatography; Dihydroxyphenylalanine; Dopamine; Humans; Intestines; Parkinson Disease; Tyramine; Tyrosine | 1971 |
Catechol- and indolamines in some endocrine cell systems. An autoradiographical, histochemical and radioimmunological study.
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Carbon Isotopes; Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Epinephrine; Female; Gastric Mucosa; Histocytochemistry; Insulin Antagonists; Islets of Langerhans; Male; Mice; Microscopy, Electron; Microscopy, Fluorescence; Monoamine Oxidase; Norepinephrine; Pancreas; Rabbits; Radioimmunoassay; Serotonin; Thyroid Gland; Tritium; Tryptophan; Tyrosine | 1971 |
Tissue fractionation and catecholamines. 3. Intracellular distribution of endogenous inhibitors of dopamine- -hydroxylase in adrenal medulla.
Topics: Adrenal Medulla; Animals; Carbon Isotopes; Cattle; Cell Nucleus; Chromatography; Chromatography, Paper; Copper; Dihydroxyphenylalanine; Dopamine; Enzyme Activation; Ethylmaleimide; Fluorometry; Microsomes; Mitochondria; Mixed Function Oxygenases; Norepinephrine; Octopamine; Surface-Active Agents; Temperature; Time Factors; Tyramine; Tyrosine | 1970 |
Inhibition of norepinephrine biosynthesis by chlorpromazine in the guinea-pig vas deferens.
Topics: Animals; Carbon Isotopes; Chlorpromazine; Cocaine; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Guinea Pigs; Hypogastric Plexus; In Vitro Techniques; Male; Mixed Function Oxygenases; Monoamine Oxidase; Norepinephrine; Octopamine; Tritium; Tyrosine; Vas Deferens | 1971 |
Studies on the preaortal paraganglia of newborn rabbits.
Topics: Adrenal Glands; Animals; Animals, Newborn; Asphyxia Neonatorum; Carbon Isotopes; Catecholamines; Chromaffin System; Cytoplasm; Dihydroxyphenylalanine; Fetus; Fluorometry; Glucose; Histocytochemistry; Humans; Infant, Newborn; Microscopy, Electron; Microscopy, Fluorescence; Norepinephrine; Organ Size; Rabbits; Tyrosine | 1966 |
Agents affecting bound dye and liver glutathione of rats injected with 3 -methyl-4-dimethylaminoazobenzene.
Topics: Animals; Carcinogens; Coloring Agents; Copper; Dihydroxyphenylalanine; Diiodotyrosine; Glutathione; Liver; p-Dimethylaminoazobenzene; Rats; Sodium Salicylate; Thyroxine; Tyrosine | 1965 |
Assay of plant tyrosinase by agar-gel double diffusion and electro-osmophoresis.
Topics: Catechols; Chlorogenic Acid; Dihydroxyphenylalanine; Electrophoresis; Immunodiffusion; In Vitro Techniques; Plants; Tyrosine; Tyrosine Decarboxylase | 1966 |
The biosynthesis of DOPA in albino skin.
Topics: Albinism; Animals; Carbon Isotopes; Catechol Oxidase; Chelating Agents; Dihydroxyphenylalanine; Electrophoresis; Female; Pigmentation; Rats; Skin; Solubility; Tritium; Tyrosine | 1967 |
Factors influencing the rate of norepinephrine biosynthesis in nerve tissue.
Topics: Action Potentials; Animals; Carbon Isotopes; Catecholamines; Catechols; Cattle; Celiac Plexus; Dihydroxyphenylalanine; Electric Stimulation; Ergoloid Mesylates; Guinea Pigs; In Vitro Techniques; Male; Norepinephrine; Spleen; Tritium; Tyrosine; Vas Deferens | 1967 |
Phenol oxidases of a lozenge mutant of drosophila.
Topics: Acrylic Resins; Animals; Catechol Oxidase; Dihydroxyphenylalanine; Drosophila; Electrophoresis; Female; Gels; Male; Molecular Biology; Mutation; Oxidoreductases; Spectrophotometry; Tyrosine | 1968 |
[Research on aminoalkylphosphonic acids. I. Action of tyrosinase on the phosphonic analogue of tyrosine].
Topics: Amino Acids; Basidiomycota; Catechol Oxidase; Dihydroxyphenylalanine; Ferrocyanides; Kinetics; Organophosphonates; Oxidation-Reduction; Spectrophotometry; Tyrosine | 1967 |
Tyrosinase activity in serum from normal and melanoma-bearing mice.
Topics: Animals; Ascorbic Acid; Catechol Oxidase; Dihydroxyphenylalanine; Hot Temperature; Melanoma; Mice; Neoplasm Transplantation; Tritium; Tyrosine; Ultracentrifugation | 1968 |
Reaction of tyrosine oxidation products with proteins of the lens.
Topics: Animals; Ascorbic Acid; Cataract; Catechol Oxidase; Cattle; Chemical Phenomena; Chemistry; Chromatography, Paper; Crystallins; Cysteine; Dihydroxyphenylalanine; Edetic Acid; Fluorescence; Iron; Naphthoquinones; Oxidation-Reduction; Proteins; Sulfates; Sulfur; Tyrosine | 1968 |
Synthesis of 3,4-dihydroxyphenyl-L-alanine from L-tyrosine and pyrocatechol by crystalline beta-tyrosinase.
Topics: Autoanalysis; Catechol Oxidase; Catechols; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Escherichia; Hydrogen-Ion Concentration; Pyridoxal Phosphate; Time Factors; Tyrosine | 1969 |
Inhibition of melanin formation by sulfhydryl compounds.
Topics: Animals; Carbon Isotopes; Catechol Oxidase; Chromatophores; Culture Techniques; Cysteine; Dihydroxyphenylalanine; Electrophoresis; Glutathione; Melanins; Mice; Mixed Function Oxygenases; Neoplasms, Experimental; Sulfhydryl Compounds; Sulfur Isotopes; Tritium; Tyrosine | 1969 |
The reduction of ferricytochrome c during the enzymic oxidation of 3,4-dihydroxyphenylalanine.
Topics: Argon; Catalase; Catechol Oxidase; Cyanides; Cytochromes; Dihydroxyphenylalanine; Edetic Acid; Epinephrine; Hydrogen-Ion Concentration; Oxygen; Spectrophotometry; Tyramine; Tyrosine | 1968 |
The histochemical tyrosine-dopa reaction for tyrosinase and its use in localizing tyrosinase activity in mast cells.
Topics: Animals; Catechol Oxidase; Dihydroxyphenylalanine; Histocytochemistry; Humans; Mast Cells; Melanoma; Methods; Microscopy, Electron; Neoplasms; Pigments, Biological; Rats; Tyrosine | 1969 |
Enzyme localization during melanogenesis.
Topics: Animals; Catechol Oxidase; Chromatophores; Dihydroxyphenylalanine; Histocytochemistry; Melanins; Tritium; Tyrosine; Urodela | 1969 |
Generalized melanosis secondary to malignant melanoma. Report of a case with serum and tissue tyrosinase studies.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Female; Humans; Lung Neoplasms; Melanins; Melanoma; Melanosis; Middle Aged; Neoplasm Metastasis; Skin Neoplasms; Splenic Neoplasms; Tyrosine; Vaginal Neoplasms | 1969 |
Activity of phenol oxidases at the puparium formation stage in development of nineteen lozenge mutants of Drosophila melanogaster.
Topics: Alleles; Catechol Oxidase; Dihydroxyphenylalanine; Drosophila; Electrophoresis; Melanins; Molecular Biology; Mutation; Oxidoreductases; Phenols; Quinones; Tyrosine | 1969 |
The role of peroxidase vs. the role of tyrosinase in enzymatic conversion of tyrosine to melanin in melanocytes, mast cells and eosinophils.
Topics: Animals; Carbon Isotopes; Catechol Oxidase; Chromatophores; Dihydroxyphenylalanine; Dogs; Eosinophils; Guinea Pigs; Histocytochemistry; Humans; In Vitro Techniques; Mast Cells; Melanins; Melanocytes; Melanoma; Mice; Peroxidases; Rats; Temperature; Thiocarbamates; Tyrosine | 1970 |
Effect of phenothiazines on melanoma tyrosinase activity.
Topics: Adrenal Glands; Animals; Basidiomycota; Carbon Isotopes; Catechol Oxidase; Cell Membrane Permeability; Chlorpromazine; Detergents; Digitalis Glycosides; Dihydroxyphenylalanine; Freezing; In Vitro Techniques; Melanins; Melanoma; Mice; Mixed Function Oxygenases; Myocardium; Neoplasms, Experimental; Phenothiazines; Tyrosine | 1970 |
[Melanin-forming strains of Pseudomonas aeruginosa].
Topics: Agar; Amino Acids; Catechol Oxidase; Chemical Phenomena; Chemistry; Chromatography, Paper; Color; Dihydroxyphenylalanine; Electrophoresis; Genetics, Microbial; Gluconates; Melanins; Mutation; Peptones; Phenylacetates; Pseudomonas aeruginosa; Quaternary Ammonium Compounds; Spectrum Analysis; Tyrosine; Ultraviolet Rays | 1969 |
Histochemical studies of conversion of tyrosine and DOPA to melanin mediated by mammalian peroxidase.
Topics: Animals; Autoradiography; Catechol Oxidase; Chelating Agents; Dihydroxyphenylalanine; Dogs; Eosinophils; Guinea Pigs; Histocytochemistry; Humans; Mast Cells; Melanins; Melanocytes; Mice; Microscopy, Electron; Peroxidases; Rats; Thiocarbamates; Tyrosine | 1970 |
Isolation and partial characterization of the natural inhibitor of dopa autoxidation in skin.
Topics: Animals; Catechol Oxidase; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Color; Dihydroxyphenylalanine; Guinea Pigs; Melanins; Melanocytes; Molecular Weight; Oxidation-Reduction; Pigmentation; Proteins; Skin; Sulfhydryl Compounds; Tyrosine | 1970 |
A study of the mechanism of action and role of a natural inhibitor of dopa autoxidation isolated from guinea pig skin.
Topics: Animals; Autoradiography; Carbon Isotopes; Catechol Oxidase; Chromatography, Gel; Chromatography, Thin Layer; Dihydroxyphenylalanine; Guinea Pigs; Melanins; Melanocytes; Molecular Weight; Oxidation-Reduction; Pigmentation; Proteins; Skin; Tyrosine | 1970 |
The conversion of tyrosine to catecholamines and the biogenesis of N-acetyl-dopamine in isolated epidermis of the fiddler crab, Uca pugilator.
Topics: Acyltransferases; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benzoates; Carbon Isotopes; Catechol Oxidase; Catecholamines; Chloromercuribenzoates; Chromatography, Paper; Crustacea; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Hot Temperature; Kinetics; Male; Skin; Thiourea; Tyrosine | 1968 |
Isolation and partial characterization of amphibian tyrosine oxidase polysomes.
Topics: Amino Acids; Animals; Antibodies; Anura; Carbon Isotopes; Catechol Oxidase; Centrifugation, Density Gradient; Dihydroxyphenylalanine; Protein Biosynthesis; Ribosomes; Skin; Spectrophotometry; Tyrosine | 1970 |
Histochemical differentiation of peroxidase-mediated from tyrosinase-mediated melanin formation in mammalian tissues. The biologic significance of peroxidase-mediated oxidation of tyrosine to malanin.
Topics: Animals; Autoradiography; Biotransformation; Biphenyl Compounds; Carbon Isotopes; Catalase; Catechol Oxidase; Dihydroxyphenylalanine; Dogs; Eosinophils; Guinea Pigs; Humans; Indicators and Reagents; Mast Cells; Melanins; Melanocytes; Mice; Microscopy, Electron; Oxidation-Reduction; p-Dimethylaminoazobenzene; Peroxidases; Rats; Tyrosine | 1970 |
Activation of epidermal tyrosinase.
Topics: Animals; Anura; Catechol Oxidase; Chymotrypsin; Dihydroxyphenylalanine; Enzyme Activation; Glycine max; Pigmentation; Skin; Tritium; Trypsin; Trypsin Inhibitors; Tyrosine | 1970 |
[Motor and psychomotor activity of striatal monoamines].
Topics: Animals; Basal Ganglia; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Globus Pallidus; Haplorhini; Monoamine Oxidase; Motor Neurons; Movement Disorders; Norepinephrine; Parkinson Disease; Serotonin; Tyrosine | 1970 |
Conversion of tyrosine to L-dihydroxyphenylalanine using immobilized tyrosinase.
Topics: Basidiomycota; Catechol Oxidase; Chemical Phenomena; Chemistry; Chromatography, DEAE-Cellulose; Dihydroxyphenylalanine; Tyrosine | 1971 |
Synthesis and release of noradrenaline and dopamine from discrete regiions of monkey brain.
Topics: Amygdala; Animals; Caudate Nucleus; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; Haplorhini; Hypothalamus; Norepinephrine; Perfusion; Stereotaxic Techniques; Tyrosine | 1969 |
[Immunologic analysis of tyrosinase in malignant melanoma, nevi and clinically normal skin].
Topics: Adolescent; Adult; Agar; Aged; Catechol Oxidase; Child; Child, Preschool; Dihydroxyphenylalanine; Electrophoresis; Female; Gels; Humans; Immune Sera; Immunodiffusion; Immunoelectrophoresis; Male; Melanoma; Middle Aged; Nevus, Pigmented; Skin; Skin Neoplasms; Tissue Extracts; Tyrosine | 1971 |
Enzymatic preparation of L-tyrosine and 3,4-dihydroxyphenyl-L-alanine.
Topics: Ammonium Chloride; Autoanalysis; Catechols; Culture Media; Dihydroxyphenylalanine; Edetic Acid; Erwinia; Infrared Rays; Isomerism; Light; Lyases; Magnetic Resonance Spectroscopy; Methods; Phenols; Rotation; Serine; Spectrophotometry; Sulfites; Temperature; Time Factors; Tyrosine | 1971 |
Radioimmunoassay for triiodothyronine (T 3 ): I. Affinity and specificity of the antibody for T 3 .
Topics: Animals; Antibodies; Antibody Specificity; Antigen-Antibody Reactions; Dihydroxyphenylalanine; Diiodotyrosine; Humans; Imines; Immunodiffusion; Methods; Models, Structural; Monoiodotyrosine; Rabbits; Radioimmunoassay; Serum Albumin; Serum Albumin, Bovine; Spectrophotometry; Thyroid Hormones; Thyronines; Triiodothyronine; Tyrosine | 1971 |
Unusual effects of reducing agents on 0-diphenoloxidase of Mycobacterium leprae.
Topics: Animals; Ascorbic Acid; Azides; Basidiomycota; Catechol Oxidase; Cell-Free System; Cyanides; Cysteine; Cystine; Dihydroxyphenylalanine; Glutathione; Humans; Manometry; Melanins; Melanoma; Mice; Mycobacterium leprae; Oxidation-Reduction; Quinones; Skin; Species Specificity; Spectrophotometry; Spleen; Stereoisomerism; Tissue Extracts; Tyrosine | 1971 |
A study of the oxidation-reduction state of synthetic 3,4-dihydroxy-DL-phenylalanine melanin.
Topics: Aerobiosis; Catechol Oxidase; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Electrons; Iron; Kinetics; Melanins; Oxidation-Reduction; Polarography; Titanium; Tyrosine | 1971 |
Biochemical basis for depigmentation of skin by phenolic germicides.
Topics: Anti-Infective Agents, Local; Catechol Oxidase; Dihydroxyphenylalanine; Disinfectants; Humans; Melanins; Middle Aged; Occupational Diseases; Oxidation-Reduction; Phenols; Pigmentation Disorders; Tyrosine | 1971 |
The role of peroxidase in catalyzing oxidation of polyphenols.
Topics: Carboxylic Acids; Catalysis; Catechol Oxidase; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Dihydroxyphenylalanine; Dopamine; Enzyme Activation; Histocytochemistry; Hydrogen Peroxide; Indoles; Kinetics; Norepinephrine; Oxidation-Reduction; Oxygen; Peroxidases; Phenols; Plants; Spectrophotometry; Stimulation, Chemical; Tyrosine | 1971 |
The non-enzymic hydroxylation of phenylalanine to tyrosine by 2-amino-4-hydroxy-6,7-dimethyl-5,6,7,8-tetrahydropteridine.
Topics: Air; Carbon Isotopes; Catalase; Chemical Phenomena; Chemistry; Chromatography, Paper; Coenzymes; Cyanides; Dihydroxyphenylalanine; Edetic Acid; Hydrogen Peroxide; Hydroxylation; Iron; Peroxides; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Sulfhydryl Compounds; Tyrosine | 1971 |
Mydriatic response to phenylalanine, tyrosine, dopa, and dopamine in Bufo viridis.
Topics: Animals; Anura; Bufonidae; Chelating Agents; Dihydroxyphenylalanine; Disulfiram; Dopamine; Drug Interactions; Edetic Acid; Eye; Female; Fentanyl; In Vitro Techniques; Iris; Male; Mydriatics; Phenylalanine; Time Factors; Tyrosine | 1970 |
Pheochromocytoma.
Topics: Adrenal Gland Neoplasms; Adrenal Medulla; Catecholamines; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Ganglia, Autonomic; Humans; Methyltransferases; Norepinephrine; Pheochromocytoma; Tomography; Tyrosine; Urography | 1972 |
Structural specificity in the intestinal transport of hexoses, tyrosine derivatives and electrolytes in freshwater catfish.
Topics: Animals; Bicarbonates; Biological Transport, Active; Carbon Isotopes; Chlorides; Dihydroxyphenylalanine; Fishes; Fucose; Galactose; Glucose; Hexoses; In Vitro Techniques; Intestinal Mucosa; Intestine, Small; Membrane Potentials; Ouabain; Phenylalanine; Phlorhizin; Sodium; Solutions; Structure-Activity Relationship; Tyrosine | 1972 |
Biosynthesis of betalaines. On the cleavage of the aromatic ring during the enzymatic transformation of dopa into betalamic acid.
Topics: Cyclization; Dihydroxyphenylalanine; Hydrolysis; Methods; Nitrogen; Pigments, Biological; Tritium; Tyrosine | 1972 |
Effect of apomorphine on motility in rats.
Topics: Animals; Apomorphine; Behavior, Animal; Benzoates; Benzyl Compounds; Brain Chemistry; Catecholamines; Cocaine; Desipramine; Dihydroxyphenylalanine; Disulfiram; Drug Antagonism; Esters; Fluorine; Haloperidol; Hydrazines; Male; Motor Activity; Nialamide; Nortriptyline; Phenoxybenzamine; Rats; Rats, Inbred Strains; Reserpine; Serine; Spiro Compounds; Stimulation, Chemical; Thiocarbamates; Tranquilizing Agents; Tyrosine | 1972 |
Biogenesis of betalains.
Topics: Carbon Isotopes; Decarboxylation; Dicarboxylic Acids; Dihydroxyphenylalanine; Nitrogen Isotopes; Plants; Pyridines; Quaternary Ammonium Compounds; Tritium; Tyrosine | 1972 |
Serotonin synthesis with rat brain synaptosomes. Effects of L-dopa, L-3-methoxytyrosine and catecholamines.
Topics: Animals; Brain; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Mitochondria; Nerve Endings; Norepinephrine; Rats; Serotonin; Synaptic Vesicles; Synaptosomes; Time Factors; Tritium; Tryptophan; Tyrosine | 1972 |
Induction of dopamine- -hydroxylase and tyrosine hydroxylase in rat hearts and sympathetic ganglia.
Topics: Animals; Bretylium Compounds; Chlorisondamine; Cycloheximide; Dactinomycin; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Enzyme Induction; Ganglia, Autonomic; Heart; Methyltyrosines; Mixed Function Oxygenases; Monoamine Oxidase Inhibitors; Myocardium; Phenethylamines; Protein Biosynthesis; Rats; Rats, Inbred Strains; Reserpine; Stellate Ganglion; Time Factors; Tyrosine | 1972 |
The effect of triiodothyronine on the disposition and actions of imipramine.
Topics: Adrenal Glands; Animals; Brain; Brain Chemistry; Carbon Isotopes; Dihydroxyphenylalanine; Drug Synergism; Fever; Hypophysectomy; Imipramine; Kidney; Liver; Male; Mixed Function Oxygenases; Myocardium; Rats; Thyroidectomy; Triiodothyronine; Tyrosine | 1972 |
Synthesis of L-tyrosine from pyruvate, ammonia and phenol by crystalline tyrosine phenol lyase.
Topics: Ammonia; Catechols; Dihydroxyphenylalanine; Enzyme Activation; Escherichia; Hydrogen Sulfide; Hydrogen-Ion Concentration; Kinetics; Lyases; Phenols; Pyridoxal Phosphate; Pyruvates; Resorcinols; Spectrophotometry; Stereoisomerism; Sulfhydryl Compounds; Tyrosine | 1972 |
Disappearance of the locus coeruleus in the rat after intraventricular 6-hydroxdopamine.
Topics: Animals; Brain Stem; Cerebral Ventricles; Dihydroxyphenylalanine; Dopamine; Male; Microscopy, Fluorescence; Nerve Degeneration; Neurons; Norepinephrine; Rats; Sympathetic Nervous System; Tritium; Tyrosine | 1972 |
Zwitterion formation upon deprotonation in L-3, 4-dihydroxyphenylalanine and other phenolic amines.
Topics: Dihydroxyphenylalanine; Dopamine; Epinephrine; Hydrogen-Ion Concentration; Norepinephrine; Potentiometry; Protons; Tyramine; Tyrosine | 1971 |
An effect of physostigmine on the central nervous system of rabbits, related to brain levels of norepinephrine.
Topics: Animals; Brain; Brain Chemistry; Catecholamines; Central Nervous System; Dihydroxyphenylalanine; Drug Interactions; Electroencephalography; Evoked Potentials; Injections, Intravenous; Male; Norepinephrine; Pargyline; Physostigmine; Rabbits; Reserpine; Time Factors; Tyrosine | 1971 |
Biosynthesis of dithiadiketopiperazine antibiotics: comparison of possible aromatic amino acid precusors.
Topics: Alkaloids; Anti-Bacterial Agents; Ascomycota; Aspergillus; Carbon Isotopes; Dihydroxyphenylalanine; Indoles; Ketones; Mass Spectrometry; Mitosporic Fungi; Oxepins; Penicillium; Phenylalanine; Piperazines; Sulfides; Time Factors; Tritium; Tyrosine | 1971 |
[Amine precursors and manic-depressive illness].
Topics: Amines; Bipolar Disorder; Catecholamines; Circadian Rhythm; Dihydroxyphenylalanine; Humans; Tyrosine | 1971 |
Analysis in human plasma of 3-methoxytyrosine: a metabolite of DOPA.
Topics: Chromatography, Ion Exchange; Dihydroxyphenylalanine; Ethers; Fasting; Humans; Mass Spectrometry; Parkinson Disease; Phenylalanine; Tyrosine | 1971 |
[Effect of DOPA and tyrosine on the healing of stomach ulcers and on the content of norepinephrine in the stomach].
Topics: Animals; Dihydroxyphenylalanine; Gastric Mucosa; Male; Norepinephrine; Rats; Stomach Ulcer; Tyrosine | 1971 |
Tyrosine metabolism: urinary excretion studies in Parkinsonism.
Topics: Body Weight; Chromatography, Gas; Chromatography, Ion Exchange; Chromatography, Thin Layer; Colorimetry; Dihydroxyphenylalanine; Female; Homogentisic Acid; Humans; Male; Middle Aged; Parkinson Disease; Phenylacetates; Tyrosine; Vanilmandelic Acid | 1971 |
Formation of (3H) noradrenaline and (3H) dopamine in the brain and heart of the rat foetus.
Topics: Animals; Brain; Dihydroxyphenylalanine; Dopamine; Female; Heart; Myocardium; Norepinephrine; Pregnancy; Rats; Tritium; Tyrosine | 1971 |
Synthesis of L-3,4-dihydroxyphenylalanine from L-tyrosine by microorganisms.
Topics: Aerobiosis; Aspergillus; Culture Media; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Infrared Rays; Oxidation-Reduction; Spectrum Analysis; Stereoisomerism; Temperature; Tyrosine | 1971 |
DOPA compared with dihydroxyfumarate as co-factor in peroxidase-mediated oxidation of tyrosine to melanin. Histochemical studies with neutrophils, eosinophils, mast cells, melanoma cells and neurons.
Topics: Animals; Chromatophores; Dihydroxyphenylalanine; Eosinophils; Fumarates; Guinea Pigs; Histocytochemistry; Humans; Mast Cells; Melanins; Melanocytes; Mice; Neurons; Neutrophils; Peroxidases; Tyrosine | 1971 |
Organ-specific inhibition of human alkaline phosphatase isoenzymes of liver, bone, intestine and placenta; L-phenylalanine, L-tryptophan and L homoarginine.
Topics: Alkaline Phosphatase; Amino Acids; Bile Acids and Salts; Bone and Bones; Cysteine; Dihydroxyphenylalanine; Guanidines; Histidine; Humans; Intestines; Isoenzymes; Liver; Organ Specificity; Phenylalanine; Phosphoric Acids; Placenta; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Tyrosine | 1971 |
The effect of L-dopa on the concentrations of tryptophan, tyrosine and serotonin in rat brain.
Topics: Animals; Brain; Brain Chemistry; Depression, Chemical; Dihydroxyphenylalanine; Injections, Intraperitoneal; Male; Metabolism; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1971 |
Biochemical studies of the peroxidase-mediated oxidation of tyrosine to melanin: demonstration of the hydroxylation of tyrosine by plant and human peroxidases.
Topics: Dihydroxyphenylalanine; Humans; Hydroxylation; Melanins; Oxidation-Reduction; Peroxidases; Plants; Spectrum Analysis; Tyrosine | 1971 |
Reversal of the reserpine syndrome with L-dopa metabolites in reserpinized rats.
Topics: Animals; Central Nervous System; Dihydroxyphenylalanine; Motor Skills; Movement Disorders; Normetanephrine; Rats; Reserpine; Tyrosine | 1971 |
Changes in the formation of 3 H-catecholamines from 3 H-DOPA and 3 H-tyrosine induced by unlabelled DOPA.
Topics: Brain Chemistry; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Fluorometry; Myocardium; Norepinephrine; Tritium; Tyrosine | 1971 |
Differences in the regulation of tyrosine hydroxylase and dopa decarboxylase in sympathetic ganglia and adrenals.
Topics: Adrenal Glands; Animals; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Ganglia, Autonomic; Male; Mixed Function Oxygenases; Phenethylamines; Rats; Reserpine; Stimulation, Chemical; Sympathetic Nervous System; Tritium; Tyrosine | 1971 |
Alterations in tyrosine hydroxylase and monoamine oxidase activity in blood vessels.
Topics: Adrenal Glands; Animals; Aorta; Blood Pressure; Blood Vessels; Dihydroxyphenylalanine; Female; Guinea Pigs; Heart; Hypertension; Male; Mesenteric Arteries; Mixed Function Oxygenases; Monoamine Oxidase; Myocardium; Rats; Reserpine; Tyrosine | 1971 |
Dihydropteridine reductase: implication on the regulation of catecholamine biosynthesis.
Topics: Adrenal Glands; Animals; Catecholamines; Cattle; Dihydroxyphenylalanine; Epinephrine; Feedback; Hydrolases; In Vitro Techniques; Methotrexate; Oxidoreductases; Pteridines; Spectrophotometry; Tyrosine | 1971 |
The tyrosine hydroxylase activity of mammalian tyrosinase.
Topics: 5-Hydroxytryptophan; Animals; Ascorbic Acid; Carbamates; Cricetinae; Cyanides; Dihydroxyphenylalanine; Enzymes; In Vitro Techniques; Melanoma; Mixed Function Oxygenases; Tritium; Tyrosine; Tyrosine Decarboxylase | 1966 |
m-Fluorotyrosine convulsions and mortality: relationship to catecholamine and citrate metabolism.
Topics: 5-Hydroxytryptophan; Amphetamine; Animals; Anticonvulsants; Atropine; Azoles; Brain; Chlordiazepoxide; Chlorpromazine; Citrates; Dihydroxyphenylalanine; Disulfiram; Drug Antagonism; Drug Synergism; Kidney; Lysergic Acid Diethylamide; Male; Methyldopa; Mice; Morphine; Nialamide; Norepinephrine; Pargyline; Phenobarbital; Phenytoin; Reserpine; Seizures; Serotonin; Strychnine; Tetrabenazine; Trimethadione; Tyrosine; Urea | 1967 |
Acute ergotropic response induced by reserpine and mephentermine.
Topics: 5-Hydroxytryptophan; Animals; Behavior, Animal; Brain; Central Nervous System; Chlorpromazine; Defense Mechanisms; Dihydroxyphenylalanine; Dogs; Dopamine; Drug Synergism; Electroencephalography; Humans; Imipramine; Iproniazid; Mephentermine; Norepinephrine; Pentobarbital; Rabbits; Reserpine; Scopolamine; Tyrosine | 1966 |
Effect of analogs of phenylalanine and tryptophan on kinetics of DOPA decarboxylase in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Hydrogen-Ion Concentration; Kinetics; Male; Methyldopa; Phenylalanine; Pyridoxal Phosphate; Rats; Tryptophan; Tyrosine | 1966 |
[Autoradiographic study of the basal clear cell in the gastric gland].
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Chromium; Dihydroxyphenylalanine; Gastric Mucosa; Histocytochemistry; Injections, Intraperitoneal; Injections, Subcutaneous; Male; Methyldopa; Mice; Rats; Reserpine; Serotonin; Silver; Tryptophan; Tyrosine | 1967 |
[The localization of biogenic amines in the autonomic nervous system (electron microscopic study in conjunction with autoradiography)].
Topics: 5-Hydroxytryptophan; Amines; Animals; Autonomic Nervous System; Autoradiography; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ganglia, Autonomic; Genitalia, Male; Histamine; Histidine; Histocytochemistry; Intestine, Small; Male; Methods; Microscopy, Electron; Neurons; Norepinephrine; Pineal Gland; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1968 |
Urinary excretion of catecholamines by children with collagen diseases.
Topics: Adolescent; Arthritis, Juvenile; Benzoates; Catecholamines; Child; Collagen Diseases; Diet; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Humans; Hypersensitivity; Lactates; Male; Norepinephrine; Purpura; Pyruvates; Rheumatic Diseases; Rheumatic Fever; Statistics as Topic; Tyrosine; Vanilmandelic Acid | 1968 |
Activity of aromatic aminotransferases in rat brain.
Topics: 5-Hydroxytryptophan; Age Factors; Amino Acids; Animals; Brain; Dihydroxyphenylalanine; Fetus; Histidine; Humans; Infant, Newborn; Methods; Phenylalanine; Rats; Transaminases; Tryptophan; Tyrosine | 1968 |
Chlorpromazine-induced accumulation of pyridoxal-5'-phosphate and activation of the decarboxylase of aromatic amino acids in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Chlorpromazine; Cycloheximide; Dactinomycin; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; In Vitro Techniques; Pyridoxal Phosphate; Rats; Serotonin; Time Factors; Tyrosine | 1969 |
The effect of L-dopa on monoamine metabolites in Parkinson's disease.
Topics: 5-Hydroxytryptophan; Aged; Dihydroxyphenylalanine; Dopamine; Humans; Hydroxyindoleacetic Acid; Middle Aged; Mixed Function Oxygenases; Parkinson Disease; Phenylacetates; Serotonin; Stereoisomerism; Tyrosine | 1970 |
Effect of some drugs on the uptake of monoamines and their precursors in the mouse Paneth cells.
Topics: 5-Hydroxytryptophan; Amines; Amitriptyline; Amphetamine; Animals; Binding Sites; Catecholamines; Chlorpromazine; Cocaine; Colon; Cytoplasmic Granules; Decarboxylation; Dihydroxyphenylalanine; Dopamine; Duodenum; Female; Guanethidine; Ileum; Imipramine; Jejunum; Male; Methyltyrosines; Mice; Microscopy, Fluorescence; Nortriptyline; Pargyline; Peptide Biosynthesis; Promazine; Reserpine; Serotonin; Tyrosine | 1971 |
Beef adrenal medulla dihydropteridine reductase.
Topics: Adrenal Medulla; Animals; Carbon Isotopes; Cattle; Centrifugation; Chemical Phenomena; Chemical Precipitation; Chemistry; Dihydroxyphenylalanine; Liver; Methods; Mixed Function Oxygenases; Oxidoreductases; Pteridines; Quaternary Ammonium Compounds; Rats; Tritium; Tyrosine | 1969 |
Enhancement of tyrosine hydroxylation within the brain by chlorpromazine.
Topics: Animals; Brain; Carbon Isotopes; Cerebral Ventricles; Chlorpromazine; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Female; Male; Mixed Function Oxygenases; Norepinephrine; Rats; Stimulation, Chemical; Tyrosine | 1969 |
Failure of enzyme inhibition therapy for malignant melanoma.
Topics: Adult; Brain Neoplasms; Dihydroxyphenylalanine; Dopamine; Enzyme Repression; Epinephrine; Humans; Male; Melanoma; Neoplasm Metastasis; Norepinephrine; Tyrosine | 1969 |
Central and peripheral catecholamine turnover studied by means of 3H-DOPA and 3H-tyrosine.
Topics: Animals; Brain Chemistry; Catecholamines; Central Nervous System; Dihydroxyphenylalanine; Dopamine; Male; Myocardium; Norepinephrine; Normetanephrine; Rats; Spinal Cord; Tritium; Tyramine; Tyrosine | 1969 |
The effects of dopamine, L-dopa, L-tyrosine, and pyridoxine on sympathetic nerve endings in man.
Topics: Dihydroxyphenylalanine; Dopamine; Eye; Humans; Mydriatics; Nerve Endings; Pyridoxine; Sympathetic Nervous System; Tyrosine | 1970 |
6-hydroxydopamine-induced inhibition of brain catecholamine synthesis without ultrastructural damage.
Topics: Amino Acids; Animals; Brain; Carbon Isotopes; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Male; Mandelic Acids; Phenethylamines; Phenylacetates; Rats; Tyrosine | 1970 |
Catecholamine biosynthesis in brains of rats treated with morphine.
Topics: Animals; Basal Ganglia; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Dopamine; Drug Tolerance; Hypothalamus; Morphine; Norepinephrine; Rats; Tritium; Tyrosine | 1970 |
[Specific cell functions of cell and tissue cultures. II. Control of melanin synthesis in cell cultures of the Harding-Passey melanoma].
Topics: Animals; Carbon Isotopes; Culture Techniques; Depression, Chemical; Dihydroxyphenylalanine; Leucine; Melanins; Melanoma; Mice; Phenylthiourea; Thymidine; Tyrosine | 1970 |
Biogenesis of rosmarinic acid in Mentha.
Topics: Carbon Isotopes; Cinnamates; Coumarins; Dihydroxyphenylalanine; Lactates; Phenylalanine; Plants; Tyrosine | 1970 |
Synthesis of noradrenaline from 3,4-dihydroxyphenylalanine (DOPA) and dopamine in adrenergic nerves of mouse atrium--effect of reserpine, monoamine oxidase and tyrosine hydroxylase inhibition.
Topics: Animals; Carbon Isotopes; Dihydroxyphenylalanine; Dopamine; Heart Atria; In Vitro Techniques; Male; Mice; Mixed Function Oxygenases; Monoamine Oxidase Inhibitors; Nialamide; Norepinephrine; Reserpine; Sympathetic Nervous System; Tritium; Tyrosine | 1970 |
Importance of catecholamines for the interaction between reserpine and desipramine on body temperature in rats.
Topics: Animals; Body Temperature; Brain Chemistry; Catecholamines; Chlorpheniramine; Desipramine; Dextroamphetamine; Dihydroxyphenylalanine; Dinitrophenols; Female; Methyltyrosines; Phentolamine; Rats; Reserpine; Tyrosine | 1970 |
Hydroxylations of aromatic amino acids mediated by a tetrahydropterin.
Topics: Amino Acids; Autoanalysis; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Fluorometry; Iron; Phenylalanine; Pterins; Tritium; Tyrosine | 1970 |
Mechanism of the gamma-hydroxybutyrate-induced increase in brain dopamine and its relationship to "sleep".
Topics: Amphetamine; Animals; Brain; Carbon Isotopes; Chromatography, Paper; Chromatography, Thin Layer; Dihydroxyphenylalanine; Dopamine; Fluorometry; Hydroxybutyrates; Hypnotics and Sedatives; Lactones; Liver; Male; Methods; Methyltransferases; Methyltyrosines; Norepinephrine; Pentobarbital; Phenylacetates; Rats; S-Adenosylmethionine; Serotonin; Sleep; Stimulation, Chemical; Tyrosine | 1970 |
Molecular conformation of L-dopa.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dipeptides; Dopamine; Glycine; Hydrogen; Isomerism; Norepinephrine; Peptides; Phenylalanine; Rotation; Threonine; Tyrosine; X-Ray Diffraction | 1970 |
[Release and biosynthesis of noradrenaline in the organs controlled by the nervous system].
Topics: Acetylcholine; Animals; Bretylium Compounds; Calcium; Carbon Isotopes; Cocaine; Dihydroxyphenylalanine; Dopamine; Guanethidine; Guanidines; Guinea Pigs; Heart; In Vitro Techniques; Male; Myocardium; Norepinephrine; Potassium; Sodium; Sympathetic Nervous System; Tyrosine; Vas Deferens | 1970 |
A source of error in catecholamine turnover studies with labelled DOPA: slow disappearance of the precursor.
Topics: Animals; Brain Chemistry; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; Femur; Male; Muscles; Myocardium; Norepinephrine; Rats; Tritium; Tyrosine | 1970 |
Gas chromatographic analysis of N-acetyldopamine and its potential metabolic precursors.
Topics: Animals; Chromatography, Gas; Cyprinidae; Dihydroxyphenylalanine; Dopamine; Mass Spectrometry; Methods; Phenylalanine; Quinones; Silicon; Tyramine; Tyrosine | 1971 |
Dopamine: stimulation-induced release from central neurons.
Topics: Animals; Basal Ganglia; Brain; Carbon Isotopes; Depression, Chemical; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Electric Stimulation; In Vitro Techniques; Male; Neurons; Parkinson Disease; Phenethylamines; Rats; Tritium; Tyrosine | 1971 |
Bioconversion of tyrosine into the propylhygric acid moity of lincomycin.
Topics: Amino Acids; Carbon Isotopes; Dihydroxyphenylalanine; Lincomycin; Mass Spectrometry; Melanins; Nitrogen Isotopes; Proline; Pyrrolidines; Streptomyces; Tyrosine | 1971 |
Effects of olfactory bulb lesions on brain monoamines.
Topics: Animals; Brain Chemistry; Brain Stem; Catecholamines; Dihydroxyphenylalanine; Dopamine; Female; Light; Limbic System; Mixed Function Oxygenases; Norepinephrine; Rats; Serotonin; Telencephalon; Tritium; Tryptophan; Tyrosine | 1971 |
L-dopa: disaggregation of brain polysomes and elevation of brain tryptophan.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Phenylalanine; Rats; Ribosomes; Time Factors; Tryptophan; Tyrosine | 1971 |
Peroxidase-dependent oxidation of tyrosine or dopa to melanin in neurons.
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Frontal Lobe; Guinea Pigs; Lysosomes; Melanins; Microscopy, Electron; Neurons; Oxidation-Reduction; Peroxidases; Tyrosine | 1971 |
Synthesis of adrenal catecholamines in rats during and after immobilization stress.
Topics: Adrenal Medulla; Animals; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Immobilization; Male; Mixed Function Oxygenases; Norepinephrine; Rats; Stress, Physiological; Tritium; Tyrosine | 1971 |
Chromatographic detection of catecholamines and related substances.
Topics: Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopamine; Epinephrine; Norepinephrine; Phenols; Phenylacetates; Polarography; Potentiometry; Tyramine; Tyrosine | 1967 |
Oxidative decomposition by an aerobacter cloacae mutant of L-tyrosine.
Topics: Dihydroxyphenylalanine; Enterobacter; Mutation; Oxidation-Reduction; Phenylpyruvic Acids; Tyramine; Tyrosine | 1967 |
[DOPA-DOPP-transaminases of rat brain in vitro].
Topics: Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Glutamates; In Vitro Techniques; Kinetics; Phenylalanine; Phenylpyruvic Acids; Rats; Transaminases; Tyrosine | 1967 |
Appearance and concentrations of catecholamines and their biosynthesis in the embryonic and developing chick.
Topics: Aging; Animals; Catecholamines; Chick Embryo; Chickens; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Epinephrine; Mixed Function Oxygenases; Myocardium; Norepinephrine; Transferases; Tritium; Tyrosine | 1968 |
The effect of nerve stimulation on the synthesis and metabolism of norepinephrine in the isolated guinea-pig hypogastric nerve-vas deferens preparation.
Topics: Animals; Carbon Isotopes; Chromatography, Paper; Dihydroxyphenylalanine; Electric Stimulation; Feedback; Ganglia, Autonomic; Guinea Pigs; In Vitro Techniques; Male; Norepinephrine; Pargyline; Protein Biosynthesis; Tritium; Tyrosine; Vas Deferens | 1968 |
The effect of tyramine on the synthesis of norepinephrine.
Topics: Adrenal Glands; Animals; Catecholamines; Cattle; Dihydroxyphenylalanine; Kinetics; Male; Mixed Function Oxygenases; Myocardium; Norepinephrine; Pargyline; Rabbits; Tritium; Tyramine; Tyrosine; Vas Deferens | 1968 |
The nonenzymatic conversion of tyrosine into mono- and dihydroxyindoles.
Topics: Amides; Bromine; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Elements; Hydrogen-Ion Concentration; Indoles; Oxidation-Reduction; Pyrrolidinones; Spectrophotometry; Spectrum Analysis; Tyrosine; Ultraviolet Rays | 1968 |
Mechanism of action of dopamine and other precursors of noradrenaline on the guinea-pig isolated hypogastric nerve vas deferens preparation.
Topics: Animals; Cocaine; Dihydroxyphenylalanine; Disulfiram; Dopamine; Guinea Pigs; Hypogastric Plexus; Male; Norepinephrine; Phenoxybenzamine; Reserpine; Tyramine; Tyrosine; Vas Deferens | 1968 |
Isotope studies on the mechanism of action of adrenal tyrosine hydroxylase.
Topics: Adrenal Glands; Animals; Cattle; Chromatography, Paper; Dihydroxyphenylalanine; Guinea Pigs; Mixed Function Oxygenases; Oxygen; Oxygen Isotopes; Phenylalanine; Rats; Spectrum Analysis; Tritium; Tyrosine | 1968 |
Inhibition of rat brain tryptophan hydroxylase by 6-halotryptophans.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Halogens; In Vitro Techniques; Methyltyrosines; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1968 |
The action of reserpine on noradrenaline biosynthesis in sympathetic nerve tissue.
Topics: Animals; Cattle; Chromatography, Ion Exchange; Depression, Chemical; Dihydroxyphenylalanine; Methylation; Mixed Function Oxygenases; Models, Neurological; Nerve Endings; Norepinephrine; Pargyline; Reserpine; Spleen; Sympathetic Nervous System; Tyrosine | 1968 |
[Biogenesis of betalaine. Biotransformation of dopa and tyrosine in betalaminic acid part of the betanins].
Topics: Carbon Isotopes; Dihydroxyphenylalanine; Plants; Tyrosine | 1968 |
Increased rate of catecholamine synthesis during respiratory acidosis.
Topics: Acidosis, Respiratory; Adrenal Glands; Animals; Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Hypercapnia; Methyltyrosines; Myocardium; Norepinephrine; Rats; Salivary Glands; Tritium; Tyrosine | 1968 |
Increased synthesis of catecholamines in the intact rat following administration of alpha-adrenergic blocking agents.
Topics: Adrenal Glands; Animals; Brain; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Epinephrine; Female; Heart; Mixed Function Oxygenases; Norepinephrine; Phenoxybenzamine; Phentolamine; Rats; Sympatholytics; Tritium; Tyrosine | 1968 |
[Clinical picture of LSD psychosis following premedication with 1-tyrosine and dl-DOPA in chronic alcoholics].
Topics: Alcoholism; Chronic Disease; Dihydroxyphenylalanine; Humans; Lysergic Acid Diethylamide; Male; Psychoses, Substance-Induced; Tyrosine | 1968 |
Acceleration of turnover of 14C-catecholamines in rat brain by chlorpromazine.
Topics: Animals; Brain; Carbon Isotopes; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Female; Norepinephrine; Rats; Stimulation, Chemical; Tyrosine | 1968 |
The regulation of norepinephrine synthesis. Effect of puromycin on the accelerated synthesis of norepinephrine associated with nerve stimulation.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Feedback; Guinea Pigs; Hydrocortisone; Hypogastric Plexus; Male; Norepinephrine; Pargyline; Puromycin; Tritium; Tyrosine; Vas Deferens | 1968 |
The distribution of monoamines in the hypothalamus of the Japanese quail, Coturnix coturnix japonica.
Topics: Animals; Birds; Catecholamines; Dihydroxyphenylalanine; Female; Formaldehyde; Histocytochemistry; Hypothalamus; Male; Methyltyrosines; Microscopy, Fluorescence; Nialamide; Reserpine; Tyrosine | 1968 |
Studies on DOPA- and dopamine-hyperglycemia.
Topics: Amines; Amino Acids; Animals; Blood Glucose; Dihydroxyphenylalanine; Dopamine; Epinephrine; Hyperglycemia; Phenylalanine; Rabbits; Tyrosine | 1968 |
The action of chlorpromazine on tyrosine hydroxylase in postganglionic sympathetic nerve.
Topics: Animals; Carbon Isotopes; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Mixed Function Oxygenases; Spleen; Sympathetic Nervous System; Tyrosine | 1968 |
L-dopa in Parkinson's syndrome.
Topics: Brain; Catecholamines; Dihydroxyphenylalanine; Humans; Melanins; Nervous System Diseases; Parkinson Disease; Substantia Nigra; Tyrosine | 1969 |
Metabolism of noradrenaline in the hypothalamus of castrated rats.
Topics: Animals; Castration; Dihydroxyphenylalanine; Dopamine; Hypothalamus; Male; Methylation; Nialamide; Norepinephrine; Normetanephrine; Rats; Stimulation, Chemical; Tritium; Tyrosine | 1969 |
Effect of hypoxic hypoxia on the catecholamine content and some cytochemical changes in the hypothalamus of the cat.
Topics: Aerospace Medicine; Altitude; Animals; Atmospheric Pressure; Catecholamines; Cats; Dihydroxyphenylalanine; Female; Histocytochemistry; Hypothalamus; Hypoxia; Male; Neurosecretion; Tyrosine | 1969 |
Bursicon mediation of tyrosine hydroxylation during tanning of the adult cuticle of the fly, Sarcophaga bullata.
Topics: Animals; Carboxy-Lyases; Dihydroxyphenylalanine; Houseflies; Invertebrate Hormones; Propionates; Tyrosine | 1969 |
A complete biosynthetic sequence from tyrosine to mescaline in two cactus species.
Topics: Dihydroxyphenylalanine; Dopamine; Mescaline; Phenethylamines; Plants; Tyrosine | 1969 |
Substituted catechols as convulsant and relaxant agents.
Topics: Animals; Benzoates; Cinnamates; Cornea; Dihydroxyphenylalanine; Drug Antagonism; Male; Mice; Motor Activity; Muscle Contraction; Muscles; Phenylacetates; Reflex; Seizures; Tyrosine | 1969 |
[Reissner's fiber as a receptor model for biogenic amines. II. Tyrosine binding to Reissner's fiber of cats after intraventricular 3H-tyrosine injection].
Topics: Alanine; Animals; Autoradiography; Catecholamines; Cats; Cerebral Ventricles; Cystine; Dihydroxyphenylalanine; Dopamine; Epinephrine; Glycoproteins; Mesencephalon; Nerve Tissue Proteins; Neuraminic Acids; Norepinephrine; Protein Binding; Receptors, Drug; Sulfur Isotopes; Tritium; Tyrosine | 1969 |
Radiolysis of phenylalanine and tyrosine and aqueous solution.
Topics: Carbon Isotopes; Dihydroxyphenylalanine; Oxygen; Phenylalanine; Radiation Effects; Radiochemistry; Solutions; Spectrum Analysis; Tyrosine | 1969 |
Relation between the action of dopamine and apomorphine and their O-methylated derivatives upon the CNS.
Topics: Alkylation; Animals; Apomorphine; Behavior, Animal; Brain Chemistry; Central Nervous System; Dihydroxyphenylalanine; Dopamine; Iproniazid; Phenethylamines; Rabbits; Rats; Tyrosine | 1965 |
Conversion of L-tyrosine to 3,4-dihydroxyphenylalanine by cell-free preparations of brain and sympathetically innervated tissues.
Topics: Adrenal Glands; Animals; Brain; Brain Chemistry; Catechols; Chromatography; Dihydroxyphenylalanine; Guinea Pigs; In Vitro Techniques; Kidney; Liver; Mixed Function Oxygenases; Myocardium; Spleen; Subcellular Fractions; Tyrosine | 1964 |
Transamination in plants. The specificity of an aminotransferase from mung bean.
Topics: Amino Acids; Arginine; Dihydroxyphenylalanine; Glutamine; In Vitro Techniques; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Plants, Edible; Transaminases; Tryptophan; Tyrosine | 1965 |
Potato phenolases. Purification and properties.
Topics: Catechols; Chlorogenic Acid; Chromatography; Chromatography, Gel; Cinnamates; Cresols; Dihydroxyphenylalanine; Electrophoresis; Flavonoids; In Vitro Techniques; Oxidoreductases; Plants, Edible; Pyrogallol; Rutin; Spectrophotometry; Tyrosine; Ultracentrifugation | 1965 |
The disruption of conditioned avoidance response following selective depletion of brain catechol amines.
Topics: Animals; Avoidance Learning; Behavior, Animal; Brain Chemistry; Catecholamines; Cats; Conditioning, Psychological; Dihydroxyphenylalanine; Dopamine; Enzymes; Methyltyrosines; Norepinephrine; Psychopharmacology; Rats; Serotonin; Tyrosine | 1965 |
Radiometric assay of tyrosinase and theoretical considerations of melanin formation.
Topics: Amino Acids; Animals; Biological Assay; Dihydroxyphenylalanine; Fishes; In Vitro Techniques; Melanins; Radiometry; Skin; Subcellular Fractions; Tyrosine; Tyrosine Decarboxylase | 1965 |
The action of interstitial cell-stimulating hormone upon tyrosinase activity in the weaver bird (Steganura paradisaea).
Topics: Animals; Birds; Carbon Isotopes; Chromatography, Paper; Dihydroxyphenylalanine; Feathers; In Vitro Techniques; Luteinizing Hormone; Skin; Tyrosine; Tyrosine Decarboxylase | 1965 |
Tyrosine hydroxylase activity in human adrenals and tumours of the neural crest.
Topics: Adrenal Glands; Animals; Dihydroxyphenylalanine; Guinea Pigs; Humans; In Vitro Techniques; Mixed Function Oxygenases; Neuroblastoma; Rats; Subcellular Fractions; Tyrosine | 1965 |
Tyrosine hydroxylation catalyzed by mammalian tyrosinase: an improved method of assay.
Topics: Animals; Cricetinae; Dihydroxyphenylalanine; In Vitro Techniques; Kinetics; Melanoma; Neoplasms, Experimental; Pteridines; Tyrosine; Tyrosine Decarboxylase | 1964 |
The biosynthesis of catecholamines in two genera of protozoa.
Topics: Catecholamines; Chromatography, Paper; Dihydroxyphenylalanine; Epinephrine; Eukaryota; Fluorometry; Norepinephrine; Phenylalanine; Tetrahymena; Tyrosine | 1966 |
Biosynthesis of heart catecholamines.
Topics: Animals; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Iproniazid; Myocardium; Norepinephrine; Rabbits; Rats; Tyrosine | 1966 |
A kinetic study of bovine adrenal tyrosine hydroxylase.
Topics: Adrenal Glands; Animals; Cattle; Dihydroxyphenylalanine; In Vitro Techniques; Kinetics; Mixed Function Oxygenases; Oxygen; Pteridines; Tyrosine | 1966 |
Electron localization of amines in central nervous tissue.
Topics: Animals; Cricetinae; Dihydroxyphenylalanine; Dopamine; Hypothalamus; Microscopy, Electron; Norepinephrine; Phenylalanine; Serotonin; Tyrosine | 1966 |
Antiamphetamine effects following inhibition of tyrosine hydroxylase.
Topics: Amphetamine; Animals; Apomorphine; Avoidance Learning; Behavior, Animal; Chlorpromazine; Dihydroxyphenylalanine; Enzymes; In Vitro Techniques; Male; Methyltyrosines; Mice; Mixed Function Oxygenases; Monoamine Oxidase Inhibitors; Norepinephrine; Phenobarbital; Rats; Tryptamines; Tyrosine | 1966 |
Monoamines and control of the pars intermedia of the toad pituitary.
Topics: Adrenalectomy; Animals; Anura; Chromatophores; Dihydroxyphenylalanine; Enzymes; Hypophysectomy; Hypothalamo-Hypophyseal System; Methyltyrosines; Nialamide; Pituitary Gland; Reserpine; Tyrosine | 1966 |
Histochemical and functional relationships of catecholamines in adrenergic nerve endings. I. Participation of granular vesicles.
Topics: Animals; Cytoplasmic Granules; Dihydroxyphenylalanine; Dopamine; Enzymes; Fluorometry; Hypogastric Plexus; Male; Methyltyrosines; Microscopy, Electron; Microscopy, Fluorescence; Nerve Endings; Neurochemistry; Norepinephrine; Rats; Sympathetic Nervous System; Tyrosine; Vas Deferens | 1966 |
Inhibition of phenoloxidase catalysed transformation of tyrosine to melanin by hydroxyphenylcarboxylic acids.
Topics: Alcohol Oxidoreductases; Animals; Dihydroxyphenylalanine; Enzymes; In Vitro Techniques; Insecta; Melanins; Phenylpyruvic Acids; Tyrosine | 1966 |
Incorporation of carboxyl groups into melanin by skin tyrosinase.
Topics: Animals; Carbon Isotopes; Dihydroxyphenylalanine; Fishes; Melanins; Oxidoreductases; Skin; Tyrosine | 1966 |
Effect of amphetamine and catecholamines on startle response and general motor activity of albino rats.
Topics: Amphetamine; Animals; Auditory Perception; Behavior, Animal; Dihydroxyphenylalanine; Dopamine; Male; Noise; Perception; Rats; Reflex; Reflex, Startle; Tyrosine | 1966 |
Refillment of the catecholamine stores with 3,4-dihydroxyphenylalanine after depletion induced by inhibition of tyrosine-hydroxylase.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Enzymes; Male; Methyltyrosines; Norepinephrine; Rats; Reserpine; Serotonin; Tyrosine | 1966 |
The mechanism of action of anticonvulsants. II. Acetazolamide.
Topics: Acetazolamide; Animals; Dextroamphetamine; Dihydroxyphenylalanine; Electric Stimulation; Electroshock; Enzymes; Male; Methyldopa; Mice; Reserpine; Seizures; Stress, Physiological; Tyrosine | 1966 |
The effect of the optical isomers of alpha-methyl-p-tyrosine upon brain and heart catecholamines in the mouse.
Topics: Animals; Brain; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Enzymes; Female; Methyldopa; Methyltyrosines; Mice; Myocardium; Norepinephrine; Tritium; Tyrosine | 1966 |
The synthesis of noradrenaline by isolated guinea-pig atria.
Topics: Animals; Carbon Isotopes; Chromatography; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; Guinea Pigs; Myocardium; Norepinephrine; Tyrosine | 1966 |
Increased synthesis of norepinephrine in the rat heart on electrical stimulation of the stellate ganglia.
Topics: Animals; Brain; Dihydroxyphenylalanine; Electric Stimulation; Electrophysiology; In Vitro Techniques; Male; Mixed Function Oxygenases; Myocardium; Norepinephrine; Rats; Spleen; Stellate Ganglion; Tritium; Tyrosine | 1966 |
The conversion of [3H]tyrosine to [3H]DOPA in mouse melanoma in vivo.
Topics: Animals; Asparagine; Aspartic Acid; Chromatography, Paper; Dihydroxyphenylalanine; Electrophoresis; Glutamates; Glutamine; Melanoma; Mice; Neoplasms, Experimental; Tyrosine | 1966 |
Role of catecholamines in the amphetamine excitatory response.
Topics: Amphetamine; Animals; Behavior, Animal; Dihydroxyphenylalanine; Enzymes; Methyltyrosines; Rats; Tyrosine | 1966 |
The production of meta-tritiotyrosine from p-tritiophenylalanine by phenylalanine hydroxylase.
Topics: Animals; Chromatography, Paper; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Mixed Function Oxygenases; Phenylalanine; Pseudomonas; Pyrrolidinones; Rats; Tritium; Tyrosine | 1966 |
The conversion of H3-tyrosine to H3-dopa in the adrenal glands under in vivo conditions.
Topics: Adrenal Glands; Animals; Brain Stem; Catecholamines; Cats; Dihydroxyphenylalanine; Dopa Decarboxylase; Electrophoresis; Enzymes; Hydrazines; Poultry; Tritium; Tyrosine | 1966 |
Central effects of an inhibitor of tyrosine hydroxylation.
Topics: Animals; Avoidance Learning; Behavior, Animal; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Male; Methyltyrosines; Mice; Norepinephrine; Rats; Tyrosine | 1966 |
[On tyrosine metabolism in insects. XVII. The tyrosine metabolism of Tenebrie molitor and Drosophila melanogaster].
Topics: Animals; Carboxy-Lyases; Dihydroxyphenylalanine; Dopamine; Drosophila; Insecta; Phenols; Tyrosine | 1966 |
The subcellular localization of catecholamines in nerve terminals in smooth muscle tissue.
Topics: Animals; Catecholamines; Centrifugation, Density Gradient; Chromatography, Ion Exchange; Cytoplasmic Granules; Dihydroxyphenylalanine; Dopamine; Fluorometry; Histocytochemistry; Male; Microscopy, Electron; Muscle, Smooth; Norepinephrine; Rats; Sensory Receptor Cells; Tyrosine; Ultracentrifugation; Vas Deferens | 1967 |
Acceleration of norepinephrine synthesis in the rat submaxillary gland in vivo during sympathetic nerve stimulation.
Topics: Animals; Carbon Isotopes; Dihydroxyphenylalanine; Norepinephrine; Rats; Submandibular Gland; Sympathetic Nervous System; Tritium; Tyrosine | 1967 |
Urinary phenols in melanoma.
Topics: Chromatography; Dihydroxyphenylalanine; Humans; Melanoma; Normetanephrine; Oxidation-Reduction; Phenols; Tyramine; Tyrosine | 1967 |
The concentration of radioactivity from labeled epinephrine and its precursors in the dog adrenal medulla.
Topics: Adrenal Medulla; Animals; Carbon Isotopes; Dihydroxyphenylalanine; Dogs; Dopamine; Epinephrine; Iodine Isotopes; Norepinephrine; Phenethylamines; Tyramine; Tyrosine | 1967 |
Phenylalanine as substrate and inhibitor of tyrosine hydroxylase.
Topics: Adrenal Medulla; Animals; Cattle; Caudate Nucleus; Dihydroxyphenylalanine; Dogs; Enzymes; Guinea Pigs; In Vitro Techniques; Kinetics; Mixed Function Oxygenases; Myocardium; Phenylalanine; Tyrosine | 1967 |
The effect of catecholamine precursors and monoamine oxidase inhibition on the amine levels of central catecholamine neurons after reserpine treatment or tyrosine hydroxylase inhibition.
Topics: Animals; Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Dopamine; Enzymes; Male; Methyltyrosines; Mixed Function Oxygenases; Myocardium; Nialamide; Norepinephrine; Rats; Reserpine; Tyrosine | 1967 |
The effect of reserpine upon the synthesis of norepinephrine in the isolated rabbit heart.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Heart; Heart Atria; In Vitro Techniques; Male; Myocardium; Norepinephrine; Phenethylamines; Rabbits; Tritium; Tyrosine | 1967 |
Antihypertensive effects of alpha-methylated catecholamine analogues in the rat.
Topics: Animals; Blood Pressure; Brain; Dihydroxyphenylalanine; Drug Synergism; Enzymes; Epinephrine; In Vitro Techniques; Metaraminol; Methyltyrosines; Myocardium; Norepinephrine; Physostigmine; Rats; Tyrosine | 1967 |
Tyrosinase activity in the amelanotic melanoma in golden hamsters.
Topics: Animals; Cricetinae; Dihydroxyphenylalanine; Hydroxylamines; Kidney; Liver; Manometry; Melanoma; Neoplasm Transplantation; Neoplasms, Experimental; Oxygen Consumption; Thiocarbamates; Tyrosine; Tyrosine Decarboxylase | 1967 |
Localization of different steps in noradrenaline synthesis to different fractions of a bovine splenic nerve homogenate.
Topics: Animals; Cattle; Centrifugation; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Mixed Function Oxygenases; Nerve Tissue; Norepinephrine; Spleen; Tyrosine | 1967 |
The effect of high phenylalanine concentration on the formation of DOPA from phenylalanine and tyrosine by tyrosine hydroxylase.
Topics: Dihydroxyphenylalanine; Mixed Function Oxygenases; Phenylalanine; Tyrosine | 1967 |
The concentration of radioactivity from labeled epinephrine and its precursors in the dog adrenal medulla.
Topics: Adrenal Medulla; Animals; Bromides; Carbon Isotopes; Dihydroxyphenylalanine; Dogs; Dopamine; Epinephrine; Female; Injections, Intravenous; Iodides; Iodine Isotopes; Norepinephrine; Phenethylamines; Tyramine; Tyrosine | 1967 |
End-product inhibition of tyrosine hydroxylase as a possible mechanism for regulation of norepinephrine synthesis.
Topics: Animals; Brain Chemistry; Carbon Isotopes; Dihydroxyphenylalanine; Feedback; Guinea Pigs; Injections; Male; Monoamine Oxidase Inhibitors; Myocardium; Norepinephrine; Pargyline; Tritium; Tyrosine | 1967 |
Tyrosine 3-monooxygenase regulates catecholamine synthesis in pheochromocytoma cells.
Topics: Biological Transport; Catecholamines; Cholera Toxin; Dihydroxyphenylalanine; Enzyme Activation; Humans; Kinetics; Pheochromocytoma; Potassium; Sodium; Tyrosine; Tyrosine 3-Monooxygenase | 1980 |
Rapid and sensitive assay of tyrosine 3-monooxygenase activity by high-performance liquid chromatography using the native fluorescence of DOPA.
Topics: Adrenal Medulla; Animals; Cattle; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Tyrosine; Tyrosine 3-Monooxygenase | 1980 |
The activity of rat pineal and brain tyrosine hydroxylase during the daily cycle of light and darkness as determined by the modified 14CO2 assay method.
Topics: Animals; Aromatic-L-Amino-Acid Decarboxylases; Biopterins; Brain; Carbon Dioxide; Chemical Phenomena; Chemistry; Circadian Rhythm; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Male; Methods; Pineal Gland; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1981 |
An ultrastructural and cytochemical analysis of the cellular basis for tyrosine-derived collagen crosslinks in Leptogorgia virgulata (Cnidaria: Gorgonacea).
Topics: Animals; Autoradiography; Cnidaria; Collagen; Dihydroxyphenylalanine; Dopamine; Macromolecular Substances; Microscopy, Electron; Monophenol Monooxygenase; Tritium; Tyrosine | 1982 |
Monensin inhibits catecholamine synthesis in pheochromocytoma cells.
Topics: Adrenal Gland Neoplasms; Animals; Catecholamines; Cells, Cultured; Chromaffin Granules; Dihydroxyphenylalanine; Dopamine; Furans; Monensin; Neoplasms, Experimental; Norepinephrine; Pheochromocytoma; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1982 |
Studies on the regulatory mechanism of the tyrosine hydroxylase system in adrenal slices by using high-performance liquid chromatography with electrochemical detection.
Topics: Adrenal Glands; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Calcium; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Egtazic Acid; In Vitro Techniques; Kinetics; Male; Rats; Rats, Inbred Strains; Tyrosine; Tyrosine 3-Monooxygenase | 1982 |
The differential effects of amphetamine and methylphenidate on the biosynthesis of [3H]dopa from [3H]tyrosine in mouse striata in vivo.
Topics: Amphetamine; Animals; Benserazide; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Male; Methylphenidate; Mice; Synaptosomes; Tyrosine | 1982 |
Dopa-release from mouse neuroblastoma clone N 1 E-115 into the culture medium. A test for tyrosine hydroxylase activity.
Topics: Animals; Apomorphine; Catecholamines; Cells, Cultured; Clone Cells; Culture Media; Dihydroxyphenylalanine; Mice; Neuroblastoma; Proteins; Tyrosine; Tyrosine 3-Monooxygenase | 1982 |
Melanosynthesis in the Kupffer cells of amphibia.
Topics: Animals; Dihydroxyphenylalanine; Histocytochemistry; Kupffer Cells; Melanins; Rana esculenta; Tyrosine | 1982 |
Glutamine inhibits the accumulation and hydroxylation of tryptophan in rat striatal synaptosomes.
Topics: Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Female; Glutamine; Kinetics; Rats; Synaptosomes; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1983 |
Catecholamine biosynthesis in vitro and in vivo in the chromaffin tissue of the Atlantic cod, Gadus morhua.
Topics: Animals; Catecholamines; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Fishes; Male; Norepinephrine; Tyrosine | 1983 |
Differences in properties between aromatic amino acid: aromatic keto acid aminotransferases and aromatic amino acid: alpha-ketoglutarate aminotransferases.
Topics: Animals; Dihydroxyphenylalanine; Ketoglutaric Acids; Liver; Male; Phenylpyruvic Acids; Rats; Rats, Inbred Strains; Transaminases; Tryptophan; Tryptophan Transaminase; Tyrosine; Tyrosine Transaminase | 1984 |
Metrics from nonlinear dynamics adapted for characterizing the behavior of nonequilibrium enzymatic rate functions.
Topics: Animals; Biopterins; Brain; Computers; Dihydroxyphenylalanine; Enzyme Activation; Enzymes; Kinetics; Models, Biological; Rats; Statistics as Topic; Tyrosine; Tyrosine 3-Monooxygenase | 1984 |
Dopaminergic neurons in the mediobasal hypothalamus of old rats: evidence for decreased affinity of tyrosine hydroxylase for substrate and cofactor.
Topics: Age Factors; Animals; Dihydroxyphenylalanine; Dopamine; Female; Hypothalamus; Hypothalamus, Middle; Immunoenzyme Techniques; Kinetics; Pterins; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1984 |
Ultrastructural localization of [3H]dopamine in neurons of leech (Haemopis sanguisuga) abdominal ganglia.
Topics: Animals; Autoradiography; Dihydroxyphenylalanine; Dopamine; Ganglia; Leeches; Neurons; Tyrosine | 1984 |
Simultaneous determination of 3,4-dihydroxyphenylalanine, 5-hydroxytryptophan, dopamine, 4-hydroxy-3-methoxyphenylalanine, norepinephrine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, serotonin, and 5-hydroxyindoleacetic acid in rat cerebrospinal fl
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methyltyrosines; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1982 |
5-OH-dopa, product of and substrate for tyrosinase.
Topics: Basidiomycota; Catechol Oxidase; Chromatography, High Pressure Liquid; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Monophenol Monooxygenase; Oxidation-Reduction; Substrate Specificity; Tyrosine | 1982 |
Methaemoglobin-catalysed formation of dopa and 6-OH-dopa from tyrosine.
Topics: Animals; Cattle; Choroid; Dihydroxyphenylalanine; In Vitro Techniques; Methemoglobin; Pigment Epithelium of Eye; Tyrosine | 1983 |
Tyrosinase activity in the medium of human melanoma cell cultures.
Topics: Ascorbic Acid; Catechol Oxidase; Cells, Cultured; Chromatography, High Pressure Liquid; Culture Media; Dihydroxyphenylalanine; Humans; Hydroxylation; Melanoma; Monophenol Monooxygenase; Oxidation-Reduction; Stereoisomerism; Tyrosine | 1983 |
Protein-bound dopa and 5-S-cysteinyldopa in non-melanogenic tissues.
Topics: Animals; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Free Radicals; Indoles; Melanins; Melanoma; Mice; Mice, Inbred Strains; Monophenol Monooxygenase; Protein Binding; Rats; Rats, Inbred Strains; Tyrosine | 1983 |
Dopa oxidation and tyrosine oxygenation by human melanoma tyrosinase.
Topics: Catechol Oxidase; Cell Line; Cells, Cultured; Dihydroxyphenylalanine; Humans; Hydroxylation; Melanoma; Monophenol Monooxygenase; Oxidation-Reduction; Substrate Specificity; Tyrosine | 1983 |
Monoamine metabolites in human cerebrospinal fluid. HPLC/ED method.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; Chromatography, High Pressure Liquid; Depression; Dihydroxyphenylalanine; Electrochemistry; Glycols; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Subarachnoid Hemorrhage; Tryptophan; Tyrosine | 1984 |
Forskolin stimulates the conversion of tyrosine to dopamine in catecholaminergic neural tissue.
Topics: Animals; Bucladesine; Catecholamines; Cattle; Colforsin; Corpus Striatum; Dihydroxyphenylalanine; Diterpenes; Dopamine; Female; Hypothalamus; In Vitro Techniques; Kinetics; Rats; Retina; Synaptosomes; Tyrosine | 1983 |
Spectroscopic studies of chemically modified synthetic melanins.
Topics: Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Melanins; Methylation; Oxidation-Reduction; Spectrophotometry, Infrared; Tyrosine | 1984 |
Abnormal tryptophan pyrrolase and amino acids related to melanogenesis in vitiligo.
Topics: Adolescent; Adult; Amino Acids; Dihydroxyphenylalanine; Humans; Melanins; Monophenol Monooxygenase; Tryptophan; Tryptophan Oxygenase; Tyrosine; Vitiligo | 1983 |
A neurochemical description of the dopaminergic innervation of the stomatogastric ganglion of the spiny lobster.
Topics: Animals; Astacoidea; Dihydroxyphenylalanine; Dopamine; Esophagus; Ganglia; Nephropidae; Neural Pathways; Neurons; Stomach; Tyrosine | 1983 |
The role of NADP-dependent dehydrogenases in hydroxylation of tyrosine in hamster melanoma.
Topics: Animals; Cricetinae; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Hydroxylation; Melanoma; Monophenol Monooxygenase; NADP; NADPH Dehydrogenase; Neoplasm Transplantation; Neoplasms, Experimental; Oxidoreductases; Tyrosine | 1983 |
Biosynthesis of the antitumor antibiotic CC-1065 by Streptomyces zelensis.
Topics: Antibiotics, Antineoplastic; Dihydroxyphenylalanine; Duocarmycins; Indoles; Leucomycins; Methionine; Serine; Streptomyces; Tyrosine | 1983 |
The relation between spiperone binding, behavioural changes, and in vivo tyrosine hydroxylation in the rat striatum.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Binding Sites; Catalepsy; Corpus Striatum; Dihydroxyphenylalanine; Haloperidol; Humans; Hydroxylation; Lysergic Acid Diethylamide; Male; Rats; Rats, Inbred Strains; Spiperone; Tyrosine | 1983 |
New regulatory factors for melanogenesis: developmental changes in neonatal mice of various genotypes.
Topics: Albinism; Animals; Animals, Newborn; Dihydroxyphenylalanine; Indoles; Melanins; Mice; Mice, Inbred AKR; Mice, Inbred C57BL; Skin; Tyrosine | 1983 |
Potent inhibitory effects of tyrosine metabolites on dihydropteridine reductase from human and sheep liver.
Topics: Animals; Dihydropteridine Reductase; Dihydroxyphenylalanine; Humans; NADH, NADPH Oxidoreductases; Phenylacetates; Phenylalanine; Phenylpropionates; Phenylpyruvic Acids; Rats; Sheep; Tyramine; Tyrosine | 1984 |
Dopamine production by the isolated perfused rat kidney.
Topics: Animals; Carbidopa; Catecholamines; Denervation; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Kidney; Male; Neurons; Rats; Rats, Inbred Strains; Time Factors; Tyrosine | 1984 |
Oxidation of tyrosine residues in proteins by tyrosinase. Formation of protein-bonded 3,4-dihydroxyphenylalanine and 5-S-cysteinyl-3,4-dihydroxyphenylalanine.
Topics: Alcohol Dehydrogenase; Alcohol Oxidoreductases; Catechol Oxidase; Chromatography, High Pressure Liquid; Cysteinyldopa; Dihydroxyphenylalanine; Hydrolysis; Insulin; Monophenol Monooxygenase; Oxidation-Reduction; Protein Binding; Proteins; Serum Albumin, Bovine; Tyrosine | 1984 |
Estimation of in vitro activity of tuberoinfundibular dopaminergic neurons by measurement of DOPA synthesis in the median eminence of hypothalamic slices.
Topics: Animals; Calcium; Dihydroxyphenylalanine; Dopamine; Egtazic Acid; Female; Hydrazines; Hypothalamus; In Vitro Techniques; Median Eminence; Methods; Methyltyrosines; Neurons; Potassium; Rats; Rats, Inbred Strains; Tyrosine | 1984 |
Simultaneous determination of L-dopa and 3-O-methyldopa in human serum by high-performance liquid chromatography.
Topics: Adult; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Epinephrine; Humans; Levodopa; Male; Methyltyrosines; Norepinephrine; Parkinson Disease; Tyrosine | 1984 |
Mammalin tyrosinase. Stoichiometry and measurement of reaction products.
Topics: Amino Acids; Animals; Basidiomycota; Catechol Oxidase; Dihydroxyphenylalanine; Melanins; Melanocytes; Melanoma; Mice; Monophenol Monooxygenase; Tyrosine | 1980 |
Reduced brain monoamine synthesis by systemic treatment with terbutaline, a beta 2-receptor agonist.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Male; Monoamine Oxidase; Norepinephrine; Rats; Terbutaline; Tryptophan; Tyrosine | 1980 |
Inhibition of tyrosinase activity by 4-tert-butylcatechol and other depigmenting agents.
Topics: Antioxidants; Catechol Oxidase; Catechols; Dihydroxyphenylalanine; Hydroquinones; Monophenol Monooxygenase; Tyrosine | 1980 |
Catecholamine metabolism in neonatal rat brain during asphyxia and recovery.
Topics: Animals; Animals, Newborn; Asphyxia; Brain; Brain Stem; Catecholamines; Diencephalon; Dihydroxyphenylalanine; Dopamine; Hippocampus; Hypoxia; Norepinephrine; Rats; Time Factors; Tyrosine; Visual Cortex | 1980 |
Tyrosine metabolism for cuticle tanning in the tobacco hornworm, Manduca sexta (L.) and other Lepidoptera: identification of beta-D-glucopyranosyl-O-L-tyrosine and other metabolites.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Larva; Lepidoptera; Tyrosine | 1980 |
Formation of 3-hydroxy-4-methoxyphenylalanine from 3,4-dihydroxyphenylalanine by rat liver homogenate.
Topics: Animals; Catechol O-Methyltransferase; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Male; Methylation; Methyltyrosines; Rats; Tyrosine | 1980 |
Production of melanin precursors by a mutant of Tetrahymena thermophila.
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Histidine; Melanins; Mutation; Tetrahymena; Tetrahymena pyriformis; Tyramine; Tyrosine | 1980 |
Tyrosine availability and dopamine synthesis in the striatum: studies with gamma-butyrolactone.
Topics: 4-Butyrolactone; Animals; Benzyl Alcohols; Carboxy-Lyases; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Furans; Hydrazines; Hydroxylation; Male; Rats; Rats, Inbred Strains; Tyrosine | 1981 |
Thiol compounds. III Synthesis and antihypertensive activity of mercaptoacylamino acids.
Topics: Amino Acids; Animals; Antihypertensive Agents; Dihydroxyphenylalanine; Methyldopa; Phenylalanine; Sulfhydryl Compounds; Tyrosine | 1981 |
[Intensification of DNA radiation injuries by quinoid products].
Topics: Animals; Chemical Phenomena; Chemistry, Physical; Dihydroxyphenylalanine; DNA; Gamma Rays; Kinetics; Oxidation-Reduction; Quinones; Rats; Tyrosine | 1981 |
Effect of DOPA-loading on glutathione-dependent 5-S-cysteinyldopa genesis in melanoma cells in vitro.
Topics: Animals; Cells, Cultured; Cricetinae; Culture Media; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Drug Synergism; Fibroblasts; Glutathione; Humans; In Vitro Techniques; Melanoma; Mice; Neoplasms, Experimental; Skin Neoplasms; Stimulation, Chemical; Tyrosine | 1982 |
Demonstration of tyrosinase in the vitiligo skin of human beings by a sensitive fluorometric method as well as by 14C(U)-L-tyrosine incorporation into melanin.
Topics: Cadaver; Carbon Radioisotopes; Catechol Oxidase; Culture Techniques; Dihydroxyphenylalanine; Humans; Hydroxylation; Melanins; Monophenol Monooxygenase; Skin; Spectrometry, Fluorescence; Tyrosine; Vitiligo | 1982 |
Neurochemical characteristics of cerebral catecholamine neurons during the postnatal development in the rat.
Topics: Age Factors; Animals; Animals, Newborn; Brain; Dihydroxyphenylalanine; Dopamine; Female; Hydroxybutyrates; Neurons; Norepinephrine; Pregnancy; Rats; Rats, Inbred Strains; Sodium Oxybate; Tyrosine | 1981 |
Effects of amino acid precursors on catecholamine synthesis in the brain.
Topics: Amino Acids; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Droxidopa; Male; Rats; Rats, Inbred Strains; Serine; Tyrosine | 1981 |
Effect of gammahydroxybutyric acid on catecholamine synthesis and utilization in the developing rat brain.
Topics: Aging; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Female; Hydroxybutyrates; Motor Activity; Norepinephrine; Pregnancy; Rats; Rats, Inbred Strains; Sodium Oxybate; Tyrosine | 1982 |
Mammalian tyrosinase catalyzes three reactions in the biosynthesis of melanin.
Topics: Catechol Oxidase; Cells, Cultured; Dihydroxyphenylalanine; Indoles; Kinetics; Melanins; Melanoma; Monophenol Monooxygenase; Neoplasms, Experimental; Substrate Specificity; Tyrosine | 1982 |
A semiautomated method for the rapid determination of dopa: comparison of plasma and erythrocyte-dopa concentration in levodopa-treated patients.
Topics: Autoanalysis; Dihydroxyphenylalanine; Erythrocytes; Humans; Levodopa; Methyltyrosines; Parkinson Disease; Spectrometry, Fluorescence; Tyrosine | 1982 |
Effect of diazepam on cerebral monoamine synthesis during hypoxia and hypercapnia in the rat.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Cerebrovascular Circulation; Diazepam; Dihydroxyphenylalanine; Hypercapnia; Hypoxia; Male; Oxygen Consumption; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1982 |
The effect of cysteine on oxidation of tyrosine, dopa, and cysteinyldopas.
Topics: Ascorbic Acid; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Glutathione; Monophenol Monooxygenase; Oxidation-Reduction; Stimulation, Chemical; Tyrosine | 1982 |
Catecholamine synthesis in rabbit carotid body in vitro.
Topics: Animals; Carotid Body; Carotid Sinus; Dihydroxyphenylalanine; Dopamine; Ganglia, Sympathetic; In Vitro Techniques; Norepinephrine; Rabbits; Sympathectomy; Time Factors; Tyrosine | 1982 |
Effects of hypoxia on catecholamine synthesis in rabbit carotid body in vitro.
Topics: Animals; Carotid Body; Carotid Sinus; Dihydroxyphenylalanine; Dopamine; Ganglia, Sympathetic; In Vitro Techniques; Norepinephrine; Oxygen; Rabbits; Sympathectomy; Tyrosine | 1982 |
Effects of acute lithium administration on conditioned avoidance behavior and monoamine synthesis in rats.
Topics: 5-Hydroxytryptophan; Animals; Avoidance Learning; Benzyl Alcohols; Corpus Striatum; Dihydroxyphenylalanine; Hydrazines; Limbic System; Lithium; Male; Rats; Tryptophan; Tyrosine | 1980 |
Sympathectomy does not modify the levels of dopa or dopamine in the rat dorsal root ganglion.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Ganglia, Spinal; Guanethidine; Homovanillic Acid; Male; Rats; Rats, Sprague-Dawley; Sympathectomy, Chemical; Tyrosine | 1995 |
Peroxynitrite-mediated inhibition of DOPA synthesis in PC12 cells.
Topics: Animals; Dihydroxyphenylalanine; Molsidomine; Nitrates; Oxidation-Reduction; PC12 Cells; Rats; Tyrosine | 1995 |
A decreased tubular uptake of dopa results in defective renal dopamine production in aged rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Aromatic-L-Amino-Acid Decarboxylases; Biological Transport; Catechol O-Methyltransferase; Dihydroxyphenylalanine; Dopamine; Kidney; Kidney Cortex; Male; Microvilli; Monoamine Oxidase; Norepinephrine; Rats; Rats, Wistar; Regression Analysis; Tyrosine | 1995 |
Acute tyrosine depletion reduces tyrosine hydroxylation rate in rat central nervous system.
Topics: Animals; Dihydroxyphenylalanine; Hypothalamus; Male; Rats; Rats, Sprague-Dawley; Retina; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1995 |
In vivo activity of tyrosine hydroxylase in rat adrenal glands following administration of quinpirole and dopamine.
Topics: Adrenal Glands; Adrenal Medulla; Analysis of Variance; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Chromatography, High Pressure Liquid; Deoxyepinephrine; Dihydroxyphenylalanine; Domperidone; Dopamine; Dopamine Agonists; Ergolines; Hydrazines; Hydroxylation; Injections, Subcutaneous; Male; Myocardium; Prosencephalon; Quinpirole; Rats; Rats, Sprague-Dawley; Tissue Distribution; Tyrosine; Tyrosine 3-Monooxygenase | 1995 |
Dopachrome conversion activity in Aedes aegypti: significance during melanotic encapsulation of parasites and cuticular tanning.
Topics: Aedes; Animals; Dihydroxyphenylalanine; Epidermis; Female; Hemolymph; Humans; Indolequinones; Indoles; Intramolecular Oxidoreductases; Isomerases; Larva; Melanins; Monophenol Monooxygenase; Quinones; Structure-Activity Relationship; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1994 |
TOPA quinone, a kainate-like agonist and excitotoxin is generated by a catecholaminergic cell line.
Topics: Adrenal Gland Neoplasms; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Glutathione; Hydrazines; Kinetics; PC12 Cells; Pheochromocytoma; Rats; Tyrosine | 1995 |
Effect of chronic protein ingestion on rat central nervous system tyrosine levels and in vivo tyrosine hydroxylation rate.
Topics: Amino Acids; Animals; Blood-Brain Barrier; Cerebral Cortex; Dietary Proteins; Dihydroxyphenylalanine; Hydroxylation; Hypothalamus; Male; Rats; Rats, Sprague-Dawley; Retina; Time Factors; Tyrosine | 1995 |
Model sclerotization studies. 3. Cuticular enzyme catalyzed oxidation of peptidyl model tyrosine and dopa derivatives.
Topics: Animals; Dihydroxyphenylalanine; Diptera; Hydroxylation; Larva; Models, Biological; Oxidation-Reduction; Quinones; Tyrosine | 1995 |
Effect of 6R-L-erythro-5,6,7,8-tetrahydrobiopterin on in vivo L-[beta-11C]dopa turnover in the rat striatum with infusion of L-tyrosine.
Topics: Animals; Biopterins; Carbon Radioisotopes; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Extracellular Space; Homovanillic Acid; Male; Microdialysis; Molecular Structure; Rats; Rats, Sprague-Dawley; Tomography, Emission-Computed; Tyrosine | 1994 |
Adrenal response to long-term hypoxia is still increased after carotid body denervation in rat.
Topics: Adrenal Glands; alpha-Methyltyrosine; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Carotid Body; Denervation; Dihydroxyphenylalanine; Dopamine; Epinephrine; Hydrazines; Hypoxia; Male; Methyltyrosines; Norepinephrine; Rats; Rats, Sprague-Dawley; Tyrosine; Tyrosine 3-Monooxygenase | 1994 |
Differential and tissue-specific expression of a gene family for tyrosine/dopa decarboxylase in opium poppy.
Topics: Amino Acid Sequence; Base Sequence; Cloning, Molecular; Dihydroxyphenylalanine; DNA, Complementary; Dopa Decarboxylase; Escherichia coli; Gene Expression Regulation, Plant; Genes, Plant; Genome, Plant; Molecular Sequence Data; Multigene Family; Papaver; Plants, Medicinal; Recombinant Fusion Proteins; Restriction Mapping; RNA, Messenger; Sequence Homology, Amino Acid; Species Specificity; Substrate Specificity; Tissue Distribution; Tyrosine; Tyrosine Decarboxylase | 1994 |
Human TRP-1 has tyrosine hydroxylase but no dopa oxidase activity.
Topics: Cells, Cultured; Chromatography, Affinity; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Humans; Infant, Newborn; Male; Melanins; Melanocytes; Membrane Glycoproteins; Monophenol Monooxygenase; Oxidoreductases; Proteins; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1994 |
Generation of the topa quinone cofactor in bacterial monoamine oxidase by cupric ion-dependent autooxidation of a specific tyrosyl residue.
Topics: Arthrobacter; Coenzymes; Copper; Dihydroxyphenylalanine; Escherichia coli; Monoamine Oxidase; Oxidation-Reduction; Recombinant Proteins; Spectrum Analysis; Tyrosine | 1994 |
Effect of L-ascorbic acid on the monophenolase activity of tyrosinase.
Topics: Ascorbic Acid; Dihydroxyphenylalanine; Hydroxylation; Indolequinones; Indoles; Models, Chemical; Monophenol Monooxygenase; Oxygen Consumption; Polarography; Quinones; Substrate Specificity; Tyrosine | 1993 |
Suppression of dyskinesias in advanced Parkinson's disease. I. Continuous intravenous levodopa shifts dose response for production of dyskinesias but not for relief of parkinsonism in patients with advanced Parkinson's disease.
Topics: Aged; Antiparkinson Agents; Carbidopa; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Drug Combinations; Female; Humans; Infusions, Intravenous; Levodopa; Male; Middle Aged; Movement Disorders; Parkinson Disease; Tyrosine | 1993 |
Autocatalytic generation of dopa in the engineered protein R2 F208Y from Escherichia coli ribonucleotide reductase and crystal structure of the dopa-208 protein.
Topics: Apoproteins; Crystallography; Dihydroxyphenylalanine; Escherichia coli; Ferrous Compounds; Models, Molecular; Mutagenesis, Site-Directed; Oxygen; Recombinant Proteins; Ribonucleotide Reductases; Tyrosine; X-Ray Diffraction | 1993 |
Free radical and enzymatic mechanisms for the generation of protein bound reducing moieties.
Topics: Amidines; Copper; Copper Sulfate; Cytochrome c Group; Dihydroxyphenylalanine; Ferric Compounds; Free Radicals; Gamma Rays; Monophenol Monooxygenase; Oxidation-Reduction; Phenanthrolines; Proteins; Pulse Radiolysis; Serum Albumin, Bovine; Tyrosine; Ultraviolet Rays | 1993 |
Protein-bound 3,4-dihydroxyphenylalanine is a major reductant formed during hydroxyl radical damage to proteins.
Topics: Catechols; Copper; Cytochrome c Group; Dihydroxyphenylalanine; Free Radicals; Insulin; Models, Chemical; Monophenol Monooxygenase; Oxidation-Reduction; Proteins; Quinones; Serum Albumin, Bovine; Tyrosine | 1993 |
Effects of catechol-O-methyltransferase inhibitors and L-3,4-dihydroxyphenylalanine with or without carbidopa on extracellular dopamine in rat striatum.
Topics: Animals; Benzophenones; Carbidopa; Catechol O-Methyltransferase Inhibitors; Catechols; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Extracellular Space; Male; Nitriles; Nitrophenols; Rats; Rats, Sprague-Dawley; Tolcapone; Tyrosine | 1993 |
Exploitation of pigment biosynthesis pathway as a selective chemotherapeutic approach for malignant melanoma.
Topics: Benzoquinones; Catechols; Cysteinyldopa; Dihydroxyphenylalanine; Dopamine; Humans; Indoles; Melanins; Melanoma; Models, Chemical; Phenol; Phenols; Pigments, Biological; Tyrosine | 1993 |
Characteristics of phenol oxidase of Schistosoma mansoni and its functional implications in eggshell synthesis.
Topics: Animals; Dihydroxyphenylalanine; Egg Proteins; Female; Helminth Proteins; Hydroxylation; Male; Monophenol Monooxygenase; Oviposition; Oxidation-Reduction; Protein Precursors; Quinones; Schistosoma mansoni; Tyrosine | 1993 |
Effect of ferrous ions on the monophenolase activity of tyrosinase.
Topics: Dihydroxyphenylalanine; Edetic Acid; Ferrous Compounds; Free Radicals; Hydroxylation; Indolequinones; Indoles; Models, Chemical; Monophenol Monooxygenase; Oxygen; Phosphates; Quinones; Time Factors; Tyrosine | 1993 |
Increased neostriatal tyrosine hydroxylation during stress: role of extracellular dopamine and excitatory amino acids.
Topics: Administration, Topical; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Dihydroxyphenylalanine; Dopamine; Dopamine Agonists; Dopamine Antagonists; Enzyme Inhibitors; Excitatory Amino Acids; Extracellular Space; Hydrazines; Hydroxylation; Injections, Intraperitoneal; Male; Neostriatum; Rats; Rats, Sprague-Dawley; Stress, Physiological; Tyrosine | 1996 |
Enzymic sulphation of dopa and tyrosine isomers by HepG2 human hepatoma cells: stereoselectivity and stimulation by Mn2+.
Topics: Blood Platelets; Chromatography, Thin Layer; Dihydroxyphenylalanine; Enzyme Activation; Enzyme Stability; Humans; Hydrogen-Ion Concentration; Isoenzymes; Liver; Manganese; Nitrophenols; Stereoisomerism; Substrate Specificity; Sulfates; Sulfotransferases; Tumor Cells, Cultured; Tyrosine | 1996 |
Assay for tyrosine hydroxylation activity of tyrosinase from betalain-forming plants and cell cultures.
Topics: Betalains; Cells, Cultured; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Evaluation Studies as Topic; Hydroxylation; Monophenol Monooxygenase; Pigments, Biological; Plant Cells; Plants; Quaternary Ammonium Compounds; Sensitivity and Specificity; Spectrometry, Fluorescence; Tyrosine | 1996 |
Effect of 6R-L-erythro-5,6,7,8-tetrahydrobiopterin and infusion of L-tyrosine on the in vivo L-[beta-11C] DOPA disposition in the monkey brain.
Topics: Animals; Antioxidants; Biopterins; Brain; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Female; Macaca mulatta; Time Factors; Tyrosine | 1996 |
Synthesis and evaluation of radioiodinated 6-iodo-L-DOPA as a cerebral L-amino acid transport marker.
Topics: Amino Acids; Animals; Biological Transport; Brain; Dihydroxyphenylalanine; In Vitro Techniques; Iodine Radioisotopes; Isotope Labeling; Levodopa; Liver; Male; Mice; Mice, Inbred Strains; Ouabain; Pancreas; Pancreatin; Rats; Tissue Distribution; Tomography, Emission-Computed; Tyrosine | 1996 |
Fluorodopa positron emission tomography with an inhibitor of catechol-O-methyltransferase: effect of the plasma 3-O-methyldopa fraction on data analysis.
Topics: Adult; Aged; Catechol O-Methyltransferase Inhibitors; Catechols; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Enzyme Inhibitors; Female; Fluorine Radioisotopes; Humans; Kinetics; Male; Middle Aged; Nitriles; Occipital Lobe; Parkinson Disease; Quality Control; Sensitivity and Specificity; Tomography, Emission-Computed; Tyrosine | 1996 |
Sulfated cyclodextrins for the chiral separations of catecholamines and related compounds in the reversed electrophoretic polarity mode.
Topics: Binding Sites; Capillary Action; Catecholamines; Cyclodextrins; Dihydroxyphenylalanine; Electrophoresis; Epinephrine; Indicators and Reagents; Kinetics; Models, Chemical; Norepinephrine; Phenylalanine; Stereoisomerism; Sulfuric Acids; Tyrosine | 1996 |
In situ analysis of peptidyl DOPA in mussel byssus using rotational-echo double-resonance NMR.
Topics: Animals; Bivalvia; Carbon Isotopes; Cross-Linking Reagents; Deuterium; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Peptides; Tyrosine | 1996 |
Enzymatic and non-enzymatic oxygenation of tyrosine.
Topics: Animals; Catalase; Cattle; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Humans; Hydrogen Peroxide; Melanoma; Monophenol Monooxygenase; Oxygen; Substrate Specificity; Superoxide Dismutase; Superoxides; Tumor Cells, Cultured; Tyrosine; Xanthine; Xanthine Oxidase; Xanthines | 1996 |
Immunohistochemical and ultrastructural evidence of adrenal chromaffin cell subtypes in sea bass Dicentrarchus labrax (L.).
Topics: Animals; Bass; Catalysis; Chromaffin Cells; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Epinephrine; Immunohistochemistry; Kidney; Microscopy, Electron; Norepinephrine; Tyrosine; Tyrosine 3-Monooxygenase | 1996 |
Demethylation of 3-O-methyldopa in the kidney: a possible source for dopamine in urine.
Topics: Animals; Catechols; Dihydroxyphenylalanine; Dopamine; Kidney; Kidney Cortex; Kidney Tubules; Male; Methylation; Natriuresis; Rats; Rats, Wistar; Sodium-Potassium-Exchanging ATPase; Tyrosine | 1996 |
Hyperpigmentation of human skin grafted on to athymic nude mice: immunohistochemical study.
Topics: Adrenocorticotropic Hormone; alpha-MSH; Animals; Dihydroxyphenylalanine; Fluorescent Antibody Technique; Humans; Hyperpigmentation; Intramolecular Oxidoreductases; Isomerases; Membrane Glycoproteins; Mice; Mice, Inbred BALB C; Mice, Nude; Oxidoreductases; Postoperative Complications; Proteins; Skin Transplantation; Transplantation, Heterologous; Tyrosine; Wound Healing | 1996 |
Radiofluorinated L-m-tyrosines: new in-vivo probes for central dopamine biochemistry.
Topics: Animals; Brain; Chlorocebus aethiops; Dihydroxyphenylalanine; Dopamine; Fluorine Radioisotopes; Tissue Distribution; Tyrosine | 1996 |
Evaluation of fluorinated m-tyrosine analogs as PET imaging agents of dopamine nerve terminals: comparison with 6-fluoroDOPA.
Topics: Animals; Brain; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Female; Fluorine Radioisotopes; Macaca mulatta; Male; Nerve Endings; Tomography, Emission-Computed; Tyrosine | 1997 |
Oral phenylalanine loading in dopa-responsive dystonia: a possible diagnostic test.
Topics: Administration, Oral; Adolescent; Adult; Aged; Aged, 80 and over; Aging; Biopterins; Child, Preschool; Dihydroxyphenylalanine; Dopamine Agents; Dystonia; Female; Humans; Male; Middle Aged; Neopterin; Osmolar Concentration; Phenylalanine; Time Factors; Tyrosine | 1997 |
Chemical characterization of eumelanins with special emphasis on 5,6-dihydroxyindole-2-carboxylic acid content and molecular size.
Topics: Animals; Dihydroxyphenylalanine; Humans; Indoles; Melanins; Mice; Molecular Weight; Polymers; Pyrroles; Quaternary Ammonium Compounds; Solvents; Spectrophotometry; Tyrosine | 1997 |
Tyrosine hydroxylase assay for detection of low levels of enzyme activity in peripheral tissues.
Topics: Animals; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Male; Organ Specificity; PC12 Cells; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1997 |
Characterization of melanosomes and melanogenesis in cells cultured from Ota's nevus.
Topics: Dihydroxyphenylalanine; Humans; Melanocytes; Microscopy, Electron; Nevus of Ota; Skin Neoplasms; Tumor Cells, Cultured; Tyrosine | 1997 |
Quantitation of protein-bound 3-nitrotyrosine and 3,4-dihydroxyphenylalanine by high-performance liquid chromatography with electrochemical array detection.
Topics: Animals; Cells, Cultured; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electrochemistry; Female; Interleukin-1; Neuroglia; Pregnancy; Protein Binding; Rats; Rats, Sprague-Dawley; Reactive Oxygen Species; Tyrosine | 1997 |
Chemical characterization of pheomelanogenesis starting from dihydroxyphenylalanine or tyrosine and cysteine. Effects of tyrosinase and cysteine concentrations and reaction time.
Topics: Cysteine; Dihydroxyphenylalanine; Kinetics; Melanins; Models, Chemical; Monophenol Monooxygenase; Tyrosine | 1997 |
Crystal structures of the copper-containing amine oxidase from Arthrobacter globiformis in the holo and apo forms: implications for the biogenesis of topaquinone.
Topics: Amine Oxidase (Copper-Containing); Amino Acid Sequence; Apoenzymes; Arthrobacter; Binding Sites; Copper; Crystallography, X-Ray; Dihydroxyphenylalanine; Dimerization; Hydrogen Bonding; Metalloproteins; Molecular Sequence Data; Protein Conformation; Protein Processing, Post-Translational; Sequence Alignment; Substrate Specificity; Tyrosine | 1997 |
The effect of tyrosine-deficient total parenteral nutrition on the synthesis of dihydroxyphenylalanine in neural tissue and the activities of tyrosine and branched-chain aminotransferases.
Topics: Amino Acids, Branched-Chain; Animals; Brain; Dihydroxyphenylalanine; Hydrazines; Male; Parenteral Nutrition, Total; Rats; Rats, Sprague-Dawley; Transaminases; Tyrosine; Tyrosine Transaminase | 1998 |
A rapid assay for tyrosine hydroxylase activity, an indicator of chronic stress in laboratory and domestic animals.
Topics: Adrenal Medulla; Animals; Animals, Domestic; Animals, Laboratory; Catecholamines; Chromatography, Thin Layer; Dihydroxyphenylalanine; Dopamine; Epinephrine; Kinetics; Norepinephrine; Rats; Stress, Physiological; Swine; Tyrosine; Tyrosine 3-Monooxygenase | 1998 |
Study of stereospecificity in mushroom tyrosinase.
Topics: Basidiomycota; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Isoproterenol; Kinetics; Magnetic Resonance Spectroscopy; Monophenol Monooxygenase; Oxygen; Phenols; Spectrophotometry; Stereoisomerism; Structure-Activity Relationship; Substrate Specificity; Tyrosine | 1998 |
The genes lmbB1 and lmbB2 of Streptomyces lincolnensis encode enzymes involved in the conversion of L-tyrosine to propylproline during the biosynthesis of the antibiotic lincomycin A.
Topics: Amino Acid Sequence; Bacterial Proteins; Base Sequence; Dihydroxyphenylalanine; Dioxygenases; Genes, Bacterial; Lincomycin; Molecular Sequence Data; Operon; Oxygenases; Proline; Streptomyces; Tyrosine; Tyrosine 3-Monooxygenase | 1998 |
[3H]DOPA formed from [3H]tyrosine in living rat brain is not committed to dopamine synthesis.
Topics: Animals; Brain; Cerebrovascular Circulation; Dihydroxyphenylalanine; Dopamine; Male; Rats; Rats, Wistar; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1998 |
New paramagnetic species formed at the expense of the transient tyrosyl radical in mutant protein R2 F208Y of Escherichia coli ribonucleotide reductase.
Topics: Binding Sites; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Escherichia coli; Free Radicals; Models, Chemical; Mutation; Nonheme Iron Proteins; Phenylalanine; Ribonucleotide Reductases; Tyrosine | 1998 |
The effect of phenylalanine on DOPA synthesis in PC12 cells.
Topics: Animals; Dihydroxyphenylalanine; Hydroxylation; PC12 Cells; Phenylalanine; Rats; Reproducibility of Results; Tyrosine | 1998 |
Inhibitory effects of 5-S-GAD on phosphorylation of V-SRC and BCR-ABL tyrosine kinase.
Topics: 3T3 Cells; Animals; Anti-Infective Agents; Dihydroxyphenylalanine; Diptera; Enzyme Inhibitors; Fusion Proteins, bcr-abl; Glutathione; Humans; Mice; Oncogene Protein pp60(v-src); Phosphorylation; Protein-Tyrosine Kinases; Tumor Cells, Cultured; Tyrosine | 1998 |
Differential catecholamine responses to protein intake in healthy and hypertensive subjects.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aldosterone; Atrial Natriuretic Factor; Blood Pressure; Dietary Proteins; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Hypertension; Middle Aged; Norepinephrine; Postprandial Period; Pulse; Reference Values; Renin; Tyrosine | 1998 |
Are reactive oxygen species involved in the pathogenesis of murine cerebral malaria?
Topics: Animals; Brain; Dihydroxyphenylalanine; Disease Models, Animal; Female; Malaria, Cerebral; Membrane Glycoproteins; Mice; Mice, Inbred CBA; Mice, Knockout; NADPH Oxidase 2; NADPH Oxidases; Plasmodium berghei; Reactive Oxygen Species; Tyrosine; Uric Acid | 1999 |
Increased site-specific phosphorylation of tyrosine hydroxylase accompanies stimulation of enzymatic activity induced by cessation of dopamine neuronal activity.
Topics: 4-Butyrolactone; Animals; Apomorphine; Binding Sites; Cerebral Cortex; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dopamine Agonists; Dose-Response Relationship, Drug; Enzyme Activation; GABA Modulators; Hydroxylation; In Vitro Techniques; Male; Neurons; Phosphorylation; Rats; Rats, Sprague-Dawley; Tyrosine; Tyrosine 3-Monooxygenase | 1999 |
Evaluation of dopaminergic presynaptic integrity: 6-[18F]fluoro-L-dopa versus 6-[18F]fluoro-L-m-tyrosine.
Topics: Animals; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Fluorine Radioisotopes; Macaca fascicularis; Macaca mulatta; Occipital Lobe; Synapses; Tomography, Emission-Computed; Tyrosine | 1999 |
Differential effect of immobilization stress on in vivo synthesis rate of monoamines in medial prefrontal cortex and nucleus accumbens of conscious rats.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Consciousness; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; Kinetics; Male; Microdialysis; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Wistar; Restraint, Physical; Serotonin; Stress, Physiological; Tryptophan; Tyrosine | 1999 |
Analysis of promoters from tyrosine/dihydroxyphenylalanine decarboxylase and berberine bridge enzyme genes involved in benzylisoquinoline alkaloid biosynthesis in opium poppy.
Topics: Alkaloids; Amino Acid Sequence; Base Sequence; Benzyl Compounds; Biolistics; Culture Techniques; Dihydroxyphenylalanine; Gene Expression Regulation, Plant; Genes, Plant; Genes, Reporter; Genetic Vectors; Genomic Library; Isoquinolines; Molecular Sequence Data; Oxidoreductases, N-Demethylating; Papaver; Plants, Medicinal; Promoter Regions, Genetic; Transformation, Genetic; Tyrosine; Tyrosine Decarboxylase | 1999 |
The relative roles of phenylalanine and tyrosine as substrates for DOPA synthesis in PC12 cells.
Topics: Animals; Dihydroxyphenylalanine; Molecular Sequence Data; PC12 Cells; Phenylalanine; Rats; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1999 |
Activation and desensitization by cyclic antidepressant drugs of alpha2-autoreceptors, alpha2-heteroreceptors and 5-HT1A-autoreceptors regulating monamine synthesis in the rat brain in vivo.
Topics: 5-Hydroxytryptophan; Adrenergic Uptake Inhibitors; Animals; Antidepressive Agents, Tricyclic; Autoreceptors; Brain; Carboxy-Lyases; Cerebral Cortex; Desipramine; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Drug Interactions; Fluoxetine; Hippocampus; Male; Norepinephrine; Protriptyline; Rats; Rats, Sprague-Dawley; Serotonin; Time Factors; Tryptophan; Tyrosine; Zimeldine | 1999 |
Localization of trapping of 6-[(18)F]fluoro-L-m-tyrosine, an aromatic L-amino acid decarboxylase tracer for PET.
Topics: Animals; Brain; Dihydroxyphenylalanine; Fluorine Radioisotopes; Macaca mulatta; Organ Specificity; Time Factors; Tomography, Emission-Computed; Tyrosine | 1999 |
Properties of phenoloxidases generated from prophenoloxidase with 2-propanol and the natural activator in Drosophila melanogaster.
Topics: 2-Propanol; Animals; Catechol Oxidase; Dihydroxyphenylalanine; Dopamine; Drosophila melanogaster; Enzyme Activation; Enzyme Inhibitors; Enzyme Precursors; Enzyme Stability; Factor IX; Fluoresceins; Hydrogen-Ion Concentration; Kinetics; Monophenol Monooxygenase; Sodium Cyanide; Substrate Specificity; Tyrosine | 1999 |
Co-regulation of melanin precursors and tyrosinase in human pigment cells: roles of cysteine and glutathione.
Topics: Buthionine Sulfoximine; Cells, Cultured; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Glutathione; Humans; Infant, Newborn; Male; Melanins; Melanocytes; Melanoma; Melanosomes; Monophenol Monooxygenase; Neoplasm Proteins; Skin Neoplasms; Tumor Cells, Cultured; Tyrosine | 1999 |
Kinetic analysis of oxygen utilization during cofactor biogenesis in a copper-containing amine oxidase from yeast.
Topics: Amine Oxidase (Copper-Containing); Binding Sites; Coenzymes; Copper; Deuterium; Dihydroxyphenylalanine; Enzyme Precursors; Hydrogen-Ion Concentration; Kinetics; Mutagenesis, Site-Directed; Oxygen; Oxygen Consumption; Pichia; Solvents; Temperature; Tyrosine; Viscosity | 2000 |
Lack of glucocorticoids attenuates the self-stimulation-induced increase in the in vivo synthesis rate of dopamine but not serotonin in the rat nucleus accumbens.
Topics: 5-Hydroxytryptophan; Adrenalectomy; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Cortisone; Dihydroxyphenylalanine; Dopamine; Enzyme Inhibitors; Glucocorticoids; Hydrazines; Hydroxylation; Male; Microdialysis; Neurons; Nucleus Accumbens; Rats; Rats, Wistar; Self Administration; Self Stimulation; Serotonin; Tryptophan; Tyrosine | 2000 |
Intracranial self-stimulation increases differentially in vivo hydroxylation of tyrosine but similarly in vivo hydroxylation of tryptophan in rat medial prefrontal cortex, nucleus accumbens and striatum.
Topics: 5-Hydroxytryptophan; Animals; Dihydroxyphenylalanine; Dopamine; Enzyme Inhibitors; Hydrazines; Hydroxylation; Male; Microdialysis; Microelectrodes; Neostriatum; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Wistar; Reward; Self Stimulation; Serotonin; Stress, Physiological; Time Factors; Tryptophan; Tyrosine | 2000 |
Crystal structure at 2.5 A resolution of zinc-substituted copper amine oxidase of Hansenula polymorpha expressed in Escherichia coli.
Topics: Amine Oxidase (Copper-Containing); Catalytic Domain; Copper; Crystallography, X-Ray; Dihydroxyphenylalanine; Models, Molecular; Oxidation-Reduction; Pichia; Protein Processing, Post-Translational; Recombinant Proteins; Tyrosine; Zinc | 2000 |
Metabolism of tryptophan in the liver: interference with decarboxylation of other aromatic amino acids.
Topics: Amino Acids; Animals; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Male; Phenylalanine; Rats; Rats, Wistar; Tryptophan; Tyrosine | 2000 |
Cross-linking in adhesive quinoproteins: studies with model decapeptides.
Topics: Adhesiveness; Adhesives; Animals; Bivalvia; Cross-Linking Reagents; Dihydroxyphenylalanine; Glycine; Hydrolysis; Lysine; Models, Molecular; Oligopeptides; Oxidation-Reduction; Proteins; Quinones; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Spectrophotometry, Ultraviolet; Tyrosine | 2000 |
Effects of ultraviolet irradiation on melanogenesis from tyrosine, Dopa and dopamine: a matrix-assisted laser desorption/ionization mass spectrometric study.
Topics: Dihydroxyphenylalanine; Dopamine; Melanins; Monophenol Monooxygenase; Photochemistry; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tyrosine; Ultraviolet Rays | 2000 |
Noninvasive assessment of aromatic L-amino acid decarboxylase activity in aging rhesus monkey brain in vivo.
Topics: Aging; Animals; Aromatic-L-Amino-Acid Decarboxylases; Brain; Dihydroxyphenylalanine; Macaca mulatta; Male; Neurons; Tomography, Emission-Computed; Tyrosine | 2001 |
Proper folding and endoplasmic reticulum to golgi transport of tyrosinase are induced by its substrates, DOPA and tyrosine.
Topics: Cells, Cultured; Dihydroxyphenylalanine; Endoplasmic Reticulum; Golgi Apparatus; Humans; Microscopy, Fluorescence; Monophenol Monooxygenase; Protein Folding; Protein Transport; Tyrosine | 2001 |
The central aromatic amino acid DOPA decarboxylase inhibitor, NSD-1015, does not inhibit L-DOPA-induced circling in unilateral 6-OHDA-lesioned-rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Behavior, Animal; Biogenic Monoamines; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dopamine Agents; Dopamine Antagonists; Drug Combinations; Enzyme Inhibitors; Haloperidol; Homovanillic Acid; Hydrazines; Levodopa; Male; Medial Forebrain Bundle; Oxidopamine; Rats; Rats, Wistar; Stereotyped Behavior; Tyrosine | 2001 |
Biogenic amines in Drosophila virilis under stress conditions.
Topics: Adaptation, Physiological; Animals; Biogenic Amines; Dihydroxyphenylalanine; Drosophila; Female; Heat Stress Disorders; Male; Octopamine; Tyramine; Tyrosine | 2000 |
Reactivity of peptidyl-tyrosine to hydroxylation and cross-linking.
Topics: Agaricales; Cross-Linking Reagents; Dihydroxyphenylalanine; Humans; Hydroxylation; Monophenol Monooxygenase; Neuropeptides; Neurotensin; Oligopeptides; Oxidation-Reduction; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Spectrophotometry; Tyrosine | 2001 |
Role of peroxynitrite in macrophage microbicidal mechanisms in vivo revealed by protein nitration and hydroxylation.
Topics: Animals; Carbon Dioxide; Carbonates; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Free Radicals; Hydroxylation; Leishmania infantum; Leishmaniasis; Macrophage Activation; Macrophages; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Microscopy, Confocal; Microscopy, Fluorescence; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Peroxidase; Peroxynitrous Acid; Tyrosine | 2001 |
Plasma homocysteine and l-dopa metabolism in patients with Parkinson disease.
Topics: Antiparkinson Agents; Dihydroxyphenylalanine; Dopamine; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Tyrosine | 2001 |
BIA 3-202, a novel catechol-O-methyltransferase inhibitor, enhances the availability of L-DOPA to the brain and reduces its O-methylation.
Topics: 3,4-Dihydroxyphenylacetic Acid; Acetophenones; Animals; Biological Availability; Brain; Catechol O-Methyltransferase; Catechol O-Methyltransferase Inhibitors; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Enzyme Inhibitors; Homovanillic Acid; Levodopa; Male; Methylation; Rats; Rats, Wistar; Time Factors; Tyrosine | 2001 |
The hydrogen peroxide/copper ion system, but not other metal-catalyzed oxidation systems, produces protein-bound dityrosine.
Topics: Animals; Cattle; Chromatography, High Pressure Liquid; Copper; Crystallins; Dihydroxyphenylalanine; Enzyme-Linked Immunosorbent Assay; Hydrogen Peroxide; Immunoenzyme Techniques; Oxidation-Reduction; Peptide Fragments; Protein Binding; Tyrosine | 2001 |
Isolation and purification of tyrosine hydroxylase from callus cultures of Portulaca grandiflora.
Topics: Catalysis; Catechol Oxidase; Chelating Agents; Coenzymes; Culture Techniques; Dihydroxyphenylalanine; Iron; Kinetics; Magnoliopsida; Manganese; Pterins; Tyrosine; Tyrosine 3-Monooxygenase | 2001 |
Manganese mimics the action of 1-methyl-4-phenylpyridinium ion, a dopaminergic neurotoxin, in rat striatal tissue slices.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; Animals; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Glycolysis; Hydroxylation; Lactic Acid; Male; Manganese; Manganese Poisoning; MPTP Poisoning; Neostriatum; Neurotoxins; Rats; Rats, Wistar; Tyrosine; Tyrosine 3-Monooxygenase | 2001 |
A highly sensitive method for the determination of protein bound 3,4-dihydroxyphenylalanine as a marker for post-translational protein hydroxylation in human tissues ex vivo.
Topics: Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electrochemistry; Erythrocytes; Frontal Lobe; Humans; Hydrolysis; Hydroxylation; Liver; Molecular Weight; Oxidative Stress; Protein Processing, Post-Translational; Proteins; Sensitivity and Specificity; Tyrosine | 2001 |
COMT-inhibition increases serum levels of dihydroxyphenylacetic acid (DOPAC) in patients with advanced Parkinson's disease.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aged; Aged, 80 and over; Antiparkinson Agents; Benzophenones; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Disease Progression; Dose-Response Relationship, Drug; Female; Homovanillic Acid; Humans; Levodopa; Male; Middle Aged; Nitrophenols; Parkinson Disease; Tolcapone; Tyrosine | 2002 |
Role of tyrosine, DOPA and decarboxylase enzymes in the synthesis of monoamines in the brain of the locust.
Topics: Animals; Biogenic Monoamines; Brain; Carboxy-Lyases; Dihydroxyphenylalanine; Grasshoppers; Tyrosine | 2002 |
Comparative time-courses of copper-ion-mediated protein and lipid oxidation in low-density lipoprotein.
Topics: alpha-Tocopherol; Antioxidants; Apolipoprotein B-100; Apolipoproteins B; Copper; Dihydroxyphenylalanine; Humans; Lipid Peroxidation; Lipids; Lipoproteins, LDL; Oxidation-Reduction; Phenylalanine; Spectrometry, Fluorescence; Time Factors; Tryptophan; Tyrosine | 2002 |
Stimulation of the proliferation and differentiation of mouse pink-eyed dilution epidermal melanocytes by excess tyrosine in serum-free primary culture.
Topics: Animals; Carrier Proteins; Cell Differentiation; Cell Division; Cells, Cultured; Culture Media, Serum-Free; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Epidermis; Female; Indoles; Male; Melanins; Melanocytes; Membrane Glycoproteins; Membrane Proteins; Mice; Mice, Inbred Strains; Monophenol Monooxygenase; Oxidoreductases; Proteins; Proto-Oncogene Proteins c-kit; Pyrroles; Tyrosine | 2002 |
3-OMD and homocysteine plasma levels in parkinsonian patients.
Topics: Dihydroxyphenylalanine; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Tyrosine | 2002 |
Properties of tyrosine hydroxylation in living mouse neuroblastoma clone N1E-115.
Topics: Animals; Biological Assay; Cell Count; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Enzyme Inhibitors; Hydrogen-Ion Concentration; Hydroxylation; Ions; Mice; Neuroblastoma; Reproducibility of Results; Tritium; Tumor Cells, Cultured; Tyrosine; Tyrosine 3-Monooxygenase | 1976 |
Coexpression of wild-type tyrosinase enhances maturation of temperature-sensitive tyrosinase mutants.
Topics: Albinism, Oculocutaneous; Animals; Cells, Cultured; Dihydroxyphenylalanine; Enzyme Stability; Glycosylation; Humans; Mice; Monophenol Monooxygenase; Mutation; Pigmentation; Temperature; Tyrosine | 2002 |
Design and characterization of non-phosphopeptide inhibitors for Src family SH2 domains.
Topics: Caffeic Acids; Dihydroxyphenylalanine; Enzyme-Linked Immunosorbent Assay; Genes, src; Peptides; Phosphotyrosine; src Homology Domains; Tyrosine | 2002 |
Manganese stimulation and stereospecificity of the Dopa (3,4-dihydroxyphenylalanine)/tyrosine-sulfating activity of human monoamine-form phenol sulfotransferase. Kinetic studies of the mechanism using wild-type and mutant enzymes.
Topics: Arylsulfotransferase; Brain; Chelating Agents; Chromatography, Thin Layer; Dihydroxyphenylalanine; DNA, Complementary; Dose-Response Relationship, Drug; Edetic Acid; Humans; Kinetics; Manganese; Point Mutation; Recombinant Proteins; Stereoisomerism; Sulfotransferases; Time Factors; Tyrosine | 2002 |
Structure-function relationships in the stereospecific and manganese-dependent 3,4-dihydroxyphenylalanine/tyrosine-sulfating activity of human monoamine-form phenol sulfotransferase, SULT1A3.
Topics: Amino Acid Sequence; Arylsulfotransferase; Base Sequence; Crystallography, X-Ray; Dihydroxyphenylalanine; DNA Primers; Humans; Manganese; Molecular Sequence Data; Mutagenesis, Site-Directed; Protein Conformation; Sequence Homology, Amino Acid; Stereoisomerism; Structure-Activity Relationship; Sulfotransferases; Tyrosine | 2003 |
Dopamine prevents nitration of tyrosine hydroxylase by peroxynitrite and nitrogen dioxide: is nitrotyrosine formation an early step in dopamine neuronal damage?
Topics: 3,4-Dihydroxyphenylacetic Acid; Cell Line; Dihydroxyphenylalanine; Dopamine; Dopamine Plasma Membrane Transport Proteins; Gene Expression; Glutathione Transferase; Green Fluorescent Proteins; Humans; Hydrogen-Ion Concentration; Luminescent Proteins; Membrane Glycoproteins; Membrane Transport Proteins; Nerve Tissue Proteins; Nitrates; Nitrogen Dioxide; Peroxynitrous Acid; Recombinant Fusion Proteins; Tyrosine; Tyrosine 3-Monooxygenase | 2003 |
Roles of tyrosine-rich precursor glycoproteins and dityrosine- and 3,4-dihydroxyphenylalanine-mediated protein cross-linking in development of the oocyst wall in the coccidian parasite Eimeria maxima.
Topics: Amino Acid Sequence; Animals; Antibodies, Monoclonal; Chickens; Cross-Linking Reagents; Dihydroxyphenylalanine; Eimeria; Epitopes; Glycoproteins; Molecular Sequence Data; Molecular Weight; Oocysts; Protein Precursors; Protein Structure, Tertiary; Protozoan Proteins; Tyrosine | 2003 |
Stimulation of catecholamine synthesis by orexin-A in bovine adrenal medullary cells through orexin receptor 1.
Topics: Acetylcholine; Adrenal Medulla; Animals; Carbon Radioisotopes; Carrier Proteins; Catecholamines; Cattle; Cells, Cultured; Dihydroxyphenylalanine; Enzyme Activation; Intracellular Signaling Peptides and Proteins; Neuropeptides; Orexin Receptors; Orexins; Protein Kinase C; Receptors, G-Protein-Coupled; Receptors, Neuropeptide; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 2003 |
Neuroblastoma directed therapy by a rational prodrug design of etoposide as a substrate for tyrosine hydroxylase.
Topics: Animals; Antineoplastic Agents, Phytogenic; Biotransformation; Blotting, Western; Cell Survival; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Drug Design; Escherichia coli; Etoposide; Humans; Mice; Neuroblastoma; Plasmids; Prodrugs; Substrate Specificity; Tumor Cells, Cultured; Tyrosine; Tyrosine 3-Monooxygenase | 2003 |
Tyrosinase and polyphenoloxidase. The role of metallic ions in melanogenesis.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Ions; Metals; Monophenol Monooxygenase; Oxidoreductases; Tyrosine | 1952 |
Oxidation of proteins by tyrosinase and peroxidase.
Topics: Amino Acids; Catechol Oxidase; Dihydroxyphenylalanine; Monophenol Monooxygenase; Oxidation-Reduction; Oxidoreductases; Peroxidase; Peroxidases; Proteins; Tyrosine | 1953 |
[Studies on melaninogenesis; on the existence of 5,6-dihydroxyindoles as essential intermediate products during the enzymatic oxidation of tyrosine, DOPA and adrenalin].
Topics: Dihydroxyphenylalanine; Epinephrine; Indoles; Melanins; Oxidation-Reduction; Tyrosine | 1953 |
Precursors of adrenal epinephrine and norepinephrine in vivo.
Topics: Dihydroxyphenylalanine; Epinephrine; Norepinephrine; Phenylalanine; Tyrosine | 1956 |
Tyrosinase in the epidermal melanocytes of white human skin; the histochemical demonstration and the numerical relationship of tyrosine-positive and dopa-positive cells.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Epidermis; Humans; Melanocytes; Monophenol Monooxygenase; Oxidoreductases; Skin Physiological Phenomena; Tyrosine | 1957 |
Action of human serum on the oxidation of D-L-dihydroxyphenylalanine and L-tyrosine.
Topics: Dihydroxyphenylalanine; Humans; Serum; Tyrosine | 1959 |
Radiation-induced formation of dihydroxyphenylalanine from tyrosine and tyrosine-containing peptides in aqueous solution.
Topics: Dihydroxyphenylalanine; Peptides; Phenylalanine; Radiation; Radiation Effects; Tyrosine | 1961 |
[Separation and determination of tyrosine and 3,4-dihydroxyphenyl-L-alanine on ion exchange resins. Application to the determination of DOPA in proteins oxidized by polyphenol oxidase].
Topics: Alanine; Catechol Oxidase; Dihydroxyphenylalanine; Ion Exchange Resins; Oxidation-Reduction; Oxidoreductases; Proteins; Tyrosine | 1960 |
Observations on the substrate specificity of DOPA decarboxylase from ox adrenal medulla, human phaeochromocytoma and human argentaffinoma.
Topics: 5-Hydroxytryptophan; Adrenal Medulla; Carcinoid Tumor; Dihydroxyphenylalanine; Dopa Decarboxylase; Humans; Lyases; Pheochromocytoma; Substrate Specificity; Tyrosine | 1962 |
The effects of alpha-methyl-DOPA and alpha-methyl-metatyrosine on the metabolism of norepinephrine and serotonin in vivo.
Topics: Dihydroxyphenylalanine; Methyldopa; Methyltyrosines; Norepinephrine; Serotonin; Tyrosine | 1961 |
[on tyrosine metabolism by insects. VII. The catabolic decomposition of tyrosine and the biogenesis of the sclerotizing substance, N-acetyldopamine].
Topics: Animals; Biochemical Phenomena; Dihydroxyphenylalanine; Dopamine; Insecta; Tyrosine | 1962 |
[Autoradiographic studies on protein and melanin metabolism in different cell types in melanoma in mice (Harding-Passey type)].
Topics: Animals; Autoradiography; Dihydroxyphenylalanine; Melanins; Melanoma; Mice; Neoplasms; Neoplasms, Experimental; Proline; Proteins; Tyrosine | 1962 |
Conversion of typrosine to catecholamines by rat brain slices.
Topics: Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Norepinephrine; Rats; Tyrosine | 1963 |
Decarboxylation of tyrosine and DOPA in the tissues of Celerio euphorbiae.
Topics: Animals; Decarboxylation; Dihydroxyphenylalanine; Dopa Decarboxylase; Insecta; Tyrosine; Tyrosine Decarboxylase | 1962 |
IMIPRAMINE AND ELECTROSHOCK THRESHOLD.
Topics: Animals; Convulsive Therapy; Dihydroxyphenylalanine; Electroconvulsive Therapy; Electroshock; Imipramine; Iproniazid; Rabbits; Research; Reserpine; Tyrosine | 1963 |
[ON TYROSINE METABOLISM IN INSECTS. XII. PURIFICATION, PROPERTIES AND SUBSTRATE SPECIFICITY OF DOPA-DECARBOXYLASE].
Topics: Animals; Biochemical Phenomena; Chromatography; Dihydroxyphenylalanine; Dopa Decarboxylase; Insecta; Iron; Proteins; Pyridoxal Phosphate; Research; Substrate Specificity; Tyrosine | 1963 |
STUDIES ON ACTIVE TRANSPORT OF L-DOPA (DIHYDROXYPHENYLALANINE) INTO BRAIN SLICES.
Topics: Acetates; Alanine; Aniline Compounds; Animals; Biological Transport, Active; Calcium; Calcium, Dietary; Cerebral Cortex; Dihydroxyphenylalanine; Glutamates; Guinea Pigs; Ions; Levodopa; Magnesium; Metabolism; Phenols; Phenylalanine; Research; Sodium; Tyrosine | 1963 |
BIOSYNTHESIS OF NOREPINEPHRINE AND NORSYNEPHRINE IN THE PERFUSED RABBIT HEART.
Topics: Animals; Carbon Isotopes; Dihydroxyphenylalanine; Dopamine; Metabolism; Myocardium; Norepinephrine; Octopamine; Perfusion; Rabbits; Research; Tyramine; Tyrosine | 1963 |
ACTION OF EPINEPHRINE AND RELATED COMPOUNDS UPON THE INSECT NERVOUS SYSTEM.
Topics: Aminobutyrates; Catechols; Central Nervous System; Dihydroxyphenylalanine; Dopamine; Electrophysiology; Epinephrine; Insecta; Isoproterenol; Norepinephrine; Pharmacology; Phenethylamines; Phenylephrine; Research; Serotonin; Sympathomimetics; Synapses; Tyrosine | 1963 |
STUDIES ON MORPHINE. III. ACTION OF METABOLIC PRECURSORS TO SEROTONIN AND NORADRENALINE AND RELATED SUBSTANCES ON THE "ABSTINENCE SYNDROME" TO MORPHINE ON WHITE MICE.
Topics: Brain; Catecholamines; Dihydroxyphenylalanine; Ergot Alkaloids; Iproniazid; Kynurenine; Lysergic Acid Diethylamide; Methyldopa; Mice; Morphine; Nalorphine; Norepinephrine; ortho-Aminobenzoates; Pharmacology; Phenylalanine; Research; Serotonin; Shikimic Acid; Toxicology; Tryptophan; Tyrosine | 1963 |
THE AGOUTI PIGMENT PATTERN OF THE MOUSE: A QUANTITATIVE AND EXPERIMENTAL STUDY.
Topics: Animals; Chromosomes; Colchicine; Dasyproctidae; Dihydroxyphenylalanine; Hair; Mice; Pigmentation; Research; Tyrosine | 1964 |
TRANSAMINATION OF AROMATIC AMINO ACIDS IN RAT BRAIN.
Topics: 5-Hydroxytryptophan; Amino Acids, Aromatic; Brain; Chromatography; Dihydroxyphenylalanine; Keto Acids; Ketoglutaric Acids; Phenylalanine; Phenylpyruvic Acids; Rats; Research; Tissue Extracts; Transaminases; Tryptophan; Tyrosine | 1964 |
[DRUGS AND ELECTROSHOCK].
Topics: Amphetamine; Amphetamines; Animals; Atropine; Blood Pressure; Convulsive Therapy; Dihydroxyphenylalanine; Electroconvulsive Therapy; Electroshock; Guanethidine; Imipramine; Iproniazid; Norepinephrine; Rabbits; Research; Reserpine; Respiration; Serotonin; Succinylcholine; Tryptophan; Tyrosine | 1964 |
DARK PIGMENT FORMATION IN VERTICILLIUM ALBO-ATRUM.
Topics: Ascorbic Acid; Catechols; Dihydroxyphenylalanine; Glass Ionomer Cements; Melanins; Metabolism; Pharmacology; Pigmentation; Research; Thiourea; Tyrosine; Tyrosine Decarboxylase; Verticillium | 1964 |
RF VALUES OF SOME CATECHOLAMINES, PRECURSORS AND METABOLITES.
Topics: Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopamine; Epinephrine; Mandelic Acids; Norepinephrine; Normetanephrine; Phenethylamines; Phenylacetates; Research; Sympathomimetics; Tyramine; Tyrosine | 1964 |
EFFECTS OF CHLOROQUINE ON GROWTH AND METABOLISM.
Topics: Animals; Antimetabolites; Anura; Chloroquine; Dihydroxyphenylalanine; Manometry; Melanins; Metamorphosis, Biological; Pharmacology; Pigmentation; Proteins; Research; Tyrosine | 1964 |
REQUIREMENT OF DIHYDROXYPHENOLS FOR THE GROWTH OF MICROCOCCUS LYSODEIKTICUS IN SYNTHETIC MEDIA.
Topics: Benzoates; Catechols; Culture Media; Dihydroxyphenylalanine; Metabolism; Micrococcus; Pharmacology; Physiological Phenomena; Research; Tyrosine | 1964 |
STUDIES ON THE SPECIFICITY OF TYROSINE-ALPHA-KETOGLUTARATE TRANSAMINASE.
Topics: 5-Hydroxytryptophan; Alanine; Amphetamine; Benzoates; Butyrates; Catecholamines; Dihydroxyphenylalanine; Enzyme Inhibitors; Ephedrine; Indoleacetic Acids; Ketoglutaric Acids; Lactates; Liver; Mandelic Acids; Methyldopa; Normetanephrine; Pharmacology; Phenylacetates; Phenylalanine; Propionates; Rats; Research; Transaminases; Tryptophan; Tyramine; Tyrosine; Tyrosine Transaminase | 1964 |
THE ROLE OF PTERIDINES IN THE ENZYMATIC CONVERSION OF PHENYLALANINE TO TYROSINE.
Topics: Coenzymes; Dihydroxyphenylalanine; Humans; Liver; Metabolism; Nucleotides; Phenylalanine; Pteridines; Pterins; Tyrosine | 1964 |
[5-HYDROXYTRYPTOPHAN DOPA DECARBOXYLASE IN NERVOUS AND CARDIAC TISSUES IN THE MOLLUSC HELIX POMATIA. INTERACTION OF SUBSTRATES IN VITRO].
Topics: 5-Hydroxytryptophan; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; Dopa Decarboxylase; Heart; In Vitro Techniques; Methyldopa; Mollusca; Myocardium; Nerve Tissue; Physiology, Comparative; Research; Serotonin; Tryptophan; Tyrosine | 1964 |
THE TURNOVER OF ENDOGENOUSLY LABELED CATECHOLAMINE IN SEVERAL REGIONS OF THE SYMPATHETIC NERVOUS SYSTEM.
Topics: Adrenal Glands; Animals; Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Liver; Metabolism; Mice; Myocardium; Research; Spleen; Sympathetic Nervous System; Tritium; Tyrosine | 1964 |
MYOGLOBIN FREE-RADICALS.
Topics: Alanine; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Glycine; Histidine; Hydrogen Peroxide; Leucine; Myoglobin; Phenylalanine; Proline; Research; Serine; Threonine; Tyrosine | 1964 |
SUBSTRATE SPECIFICITY OF DOPA DECARBOXYLASE.
Topics: Animals; Carbon Dioxide; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Guinea Pigs; Kidney; Phenylalanine; Radiometry; Research; Substrate Specificity; Tyrosine | 1964 |
FUNCTION-SPECIFIC CHANGES IN THE METABOLISM OF AGOUTI PIGMENT CELLS.
Topics: Animals; Chromatophores; Cysteine; Dasyproctidae; Dihydroxyphenylalanine; Glutathione; Hair; Leucine; Melanins; Metabolism; Mice; Research; Serine; Sulfhydryl Compounds; Tyrosine | 1964 |
ENZYMIC OXIDATION OF EPINEPHRINE TO ADRENOCHROME BY THE SALIVARY GLAND.
Topics: Adrenochrome; Ascorbic Acid; Catechols; Cats; Chlorpromazine; Cyanides; Cytochromes; Dihydroxyphenylalanine; Epinephrine; Glutathione; Hydrazines; Metabolism; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Oxidation-Reduction; Parotid Gland; Pharmacology; Phenylhydrazines; Research; Salivary Glands; Sulfhydryl Compounds; Sympathomimetics; Tritium; Tyrosine | 1964 |
AN ENZYMATIC AND ELECTRON MICROSCOPIC CHARACTERIZATION OF A VARIANT OF THE CLOUDMAN S-91 MELANOMA.
Topics: Animals; Dihydroxyphenylalanine; Electrons; Enzyme Inhibitors; Histocytochemistry; Melanins; Melanoma; Mice; Microscopy; Microscopy, Electron; Neoplasms, Experimental; Research; Tyrosine; Tyrosine Decarboxylase | 1964 |
TYROSINE HYDROXYLASE. THE INITIAL STEP IN NOREPINEPHRINE BIOSYNTHESIS.
Topics: Adrenal Glands; Adrenal Medulla; Brain; Dihydroxyphenylalanine; Dopamine; Folic Acid; Histocytochemistry; Liver; Metabolism; Mixed Function Oxygenases; Myocardium; Norepinephrine; Research; Spleen; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase; Tyrosine Decarboxylase | 1964 |
MELANOGENESIS: AN AUTORADIOGRAPHIC STUDY AT THE ULTRASTRUCTURAL LEVEL.
Topics: Animals; Autoradiography; Dihydroxyphenylalanine; Electrons; Histocytochemistry; Melanins; Melanoma; Metabolism; Mice; Microscopy; Microscopy, Electron; Neoplasms, Experimental; Research; Skin Neoplasms; Tritium; Tyrosine | 1964 |
STUDY ON THE BIOGENESIS OF CATECHOLAMINES IN PHEOCHROMOCYTOMA TISSUE CULTURE.
Topics: Adenosine Triphosphate; Adrenocorticotropic Hormone; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Fluorometry; Glutamine; Humans; Insulin; Metabolism; Methionine; Norepinephrine; Pharmacology; Pheochromocytoma; Tissue Culture Techniques; Tyrosine | 1964 |
THE RELATION BETWEEN MELANIN FORMATION AND ASCORBIC ACID.
Topics: Ascorbic Acid; Biochemical Phenomena; Biochemistry; Dihydroxyphenylalanine; Glutathione; Melanins; Oxidation-Reduction; Rabbits; Research; Secondary Metabolism; Skin; Thiamine; Thioctic Acid; Tyrosine; Tyrosine Decarboxylase; Urine | 1964 |
ON THE INFLUENCE OF THE ADMINISTRATION OF AMINO ACIDS UPON THE DISTRIBUTION OF PORPHYRIN BODIES IN TISSUES. X. THE INFLUENCE OF THE ADMINISTRATION OF AROMATIC AMINO ACIDS.
Topics: Amino Acids; Amino Acids, Aromatic; Animals; Dihydroxyphenylalanine; Guinea Pigs; Histocytochemistry; Pharmacology; Phenylalanine; Porphyrins; Research; Tryptophan; Tyrosine | 1964 |
PRODUCTION OF A MELANIN-LIKE PIGMENT AS A RESULT OF CRESOL INHIBITION OF NORMAL PIGMENTATION IN MICROCOCCUS VIOLAGABRIELLAE.
Topics: Cresols; Dihydroxyphenylalanine; Iron; Melanins; Micrococcus; Pharmacology; Pigmentation; Pigments, Biological; Pseudomonas aeruginosa; Research; Tyrosine | 1964 |
STUDIES OF FUNCTIONAL NEURAL TUMORS. VI. BIOCHEMICAL DIAGNOSIS.
Topics: Abdominal Neoplasms; Adolescent; Adrenal Gland Neoplasms; Amino Acids; Child; Dihydroxyphenylalanine; Ganglioneuroma; Geriatrics; Head and Neck Neoplasms; Humans; Infant; Mandelic Acids; Metabolism; Neoplasms; Neuroblastoma; Phenylacetates; Pheochromocytoma; Thoracic Neoplasms; Tyrosine | 1964 |
SOME PROPERTIES OF TYROSINE HYDROXYLASE FROM THE CAUDATE NUCLEUS.
Topics: Animals; Brain; Catecholamines; Cattle; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Mixed Function Oxygenases; Pharmacology; Psychopharmacology; Rats; Research; Tyrosine; Tyrosine 3-Monooxygenase | 1964 |
[BIOCHEMISTRY OF TYROSINASE].
Topics: Animals; Catechol Oxidase; Dihydroxyphenylalanine; Enzyme Inhibitors; Mammals; Monophenol Monooxygenase; Pigmentation Disorders; Research; Tyrosine; Tyrosine Decarboxylase | 1964 |
SPECIFICITY AND MODE OF ACTION OF PHENOLOXIDASE FROM LARVAE OF TENEBRIO MOLITOR.
Topics: Animals; Ascorbic Acid; Catechols; Chemical Phenomena; Chemistry; Coleoptera; Cresols; Dihydroxyphenylalanine; Enzyme Inhibitors; Kinetics; Larva; Monophenol Monooxygenase; Oxidoreductases; Phenols; Phenylacetates; Propionates; Research; Tenebrio; Tyramine; Tyrosine | 1964 |
INTESTINAL TRANSPORT OF AMINO ACIDS AND GLUCOSE IN FLOUNDER FISH.
Topics: Amino Acids; Animals; Biological Transport; Carbon Isotopes; Dihydroxyphenylalanine; Fishes; Flounder; Glucose; Indoles; Intestinal Absorption; Intestines; Physiology, Comparative; Radiometry; Research; Tryptamines; Tryptophan; Tyrosine | 1965 |
DROSOPHILA PHENOL OXIDASES.
Topics: Animals; Catechol Oxidase; Chemical Phenomena; Chemistry; Chemistry Techniques, Analytical; Dihydroxyphenylalanine; Drosophila; Drosophila melanogaster; Electrophoresis; Melanins; Monophenol Monooxygenase; Oxidoreductases; Pigmentation; Research; Tyrosine; Tyrosine Decarboxylase | 1965 |
ELUCIDATION OF THE RATE-LIMITING STEP IN NOREPINEPHRINE BIOSYNTHESIS IN THE PERFUSED GUINEA-PIG HEART.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Guinea Pigs; Metabolism; Mixed Function Oxygenases; Myocardium; Norepinephrine; Perfusion; Research; Tyrosine | 1965 |
BIOSYNTHESIS OF ALKALOIDS. ON THE TRANSFORMATION OF TYROSINE TO 3,4-DIHYDROXYPHENYLALANINE IN PAPAVER SOMNIFERUM L. PLANTS.
Topics: Alkaloids; Chemical Phenomena; Chemistry; Chromatography; Dihydroxyphenylalanine; Papaver; Research; Tyrosine | 1965 |
[ON THE ANTINEOPLASTIC ACTIVITY OF CHLOROETHYLAMINE DERIVATIVES OF TYROSINE AND 3,4-DIHYDROXYPHENYLALANINE].
Topics: Antineoplastic Agents; Dihydroxyphenylalanine; Research; Tyrosine | 1964 |
MULTIPLE INHIBITORY EFFECTS OF ALPHA-METHYLAMINO ACIDS ON THE METABOLISM OF C14-LABELED TYROSINE, DOPA AND ALPHA-METHYLDOPA.
Topics: Amino Acid Oxidoreductases; Amino Acids; Carbon Isotopes; Carboxy-Lyases; D-Amino-Acid Oxidase; Dihydroxyphenylalanine; Enzyme Inhibitors; Metabolism; Methyldopa; Pharmacology; Radiometry; Rats; Research; Tyrosine | 1965 |
HYDROXYLATION OF PHENYLALANINE BY PURIFIED PREPARATIONS OF ADRENAL AND BRAIN TYROSINE HYDROXYLASE.
Topics: Adrenal Glands; Amino Acids; Brain; Chromatography; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Hydroxylation; Liver; Mixed Function Oxygenases; Phenylalanine; Research; Tyrosine; Tyrosine 3-Monooxygenase | 1965 |
EFFECT OF CATECHOLAMINE PRECURSORS AND PHENYLETHYLAMINES ON SPONTANEOUS ACTIVITY AND ON THE RESPONSE TO METHOHEXITAL ANAESTHESIA.
Topics: Amphetamine; Amphetamines; Anesthesia; Anesthetics; Animals; Arousal; Behavior, Animal; Catecholamines; Dihydroxyphenylalanine; Dopamine; Electroencephalography; Hypnosis; Hypnosis, Anesthetic; Methohexital; Methyldopa; Phenethylamines; Psychopharmacology; Rats; Research; Tyramine; Tyrosine | 1965 |
THE MODE OF ACTION OF CATECHOLAMINE DEPLETING AGENTS IN THE RAT.
Topics: Catecholamines; Dihydroxyphenylalanine; Dopamine; Metabolism; Methyltyrosines; Myocardium; Norepinephrine; Pharmacology; Research; Reserpine; Tyrosine | 1965 |
[On tyrosine metabolism in insects. VI. Identification of N-acetyl-3,4-dihydroxy-beta-phenylethylamine (N-acetyl-dopamine) as a tyrosine metabolite].
Topics: Animals; Biochemical Phenomena; Dihydroxyphenylalanine; Dopamine; Insecta; Phenethylamines; Tyrosine | 1962 |
Metal catalyzed oxidation of tyrosine residues by different oxidation systems of copper/hydrogen peroxide.
Topics: Chromatography, High Pressure Liquid; Copper; Dihydroxyphenylalanine; Horseradish Peroxidase; Hydrogen Peroxide; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Spectrometry, Fluorescence; Spectrometry, Mass, Electrospray Ionization; Spectrophotometry, Ultraviolet; Tyrosine | 2004 |
Non-enzymatic oxidation of tyrosine and dopa.
Topics: Dihydroxyphenylalanine; Oxidation-Reduction; Phenylalanine; Tyrosine | 1950 |
Interference of the electrospray voltage on chromatographic separations using porous graphitic carbon columns.
Topics: Chromatography, Liquid; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Graphite; Norepinephrine; Spectrometry, Mass, Electrospray Ionization; Tyrosine | 2004 |
Interference of some tryptophan metabolites in the formation of melanin in vitro.
Topics: 3-Hydroxyanthranilic Acid; Agaricales; Catalysis; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; In Vitro Techniques; Kynurenine; Magnetic Resonance Spectroscopy; Melanins; Models, Chemical; Monophenol Monooxygenase; Oxygen; Pigmentation; Spectrophotometry; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2004 |
Catalytic enantioselective synthesis of 18F-fluorinated alpha-amino acids under phase-transfer conditions using (S)-NOBIN.
Topics: 2-Naphthylamine; Animals; Catalysis; Dihydroxyphenylalanine; Fluorine Radioisotopes; Glioma; Isomerism; Isotope Labeling; Metabolic Clearance Rate; Naphthols; Organ Specificity; Phase Transition; Radionuclide Imaging; Radiopharmaceuticals; Rats; Rats, Wistar; Tissue Distribution; Tyrosine | 2004 |
Serotonergic and dopaminergic influence of the duration of embryogenesis and intracapsular locomotion of Lymnaea stagnalis L.
Topics: Amphetamines; Animals; Apomorphine; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Dopamine Agonists; Embryo, Nonmammalian; Embryonic Development; Fenclonine; Hydrazines; Locomotion; Lymnaea; Lysergic Acid Diethylamide; Methysergide; N,N-Dimethyltryptamine; Serotonin; Serotonin Receptor Agonists; Tryptamines; Tryptophan; Tyramine; Tyrosine | 2004 |
Oxidation of tyrosine diketopiperazine to DOPA diketopiperazine with tyrosine hydroxylase.
Topics: Animals; Dihydroxyphenylalanine; Diketopiperazines; Molecular Structure; Oxidation-Reduction; PC12 Cells; Peptides; Piperazines; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 2004 |
Chlorine dioxide oxidations of tyrosine, N-acetyltyrosine, and dopa.
Topics: Chlorine Compounds; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Oxidation-Reduction; Oxides; Spectrophotometry, Infrared; Spectrophotometry, Ultraviolet; Tyrosine | 2005 |
Production and utilization of hydrogen peroxide associated with melanogenesis and tyrosinase-mediated oxidations of DOPA and dopamine.
Topics: Benzoquinones; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Hydrogen Peroxide; Melanins; Molecular Structure; Monophenol Monooxygenase; Oxidants; Oxidation-Reduction; Peroxidases; Reactive Oxygen Species; Superoxide Dismutase; Tyrosine | 2005 |
Translational incorporation of L-3,4-dihydroxyphenylalanine into proteins.
Topics: Amino Acid Sequence; Cell-Free System; Chromatography, High Pressure Liquid; Cyclophilins; Dihydroxyphenylalanine; Escherichia coli; Histidine; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Peptides; Peptidylprolyl Isomerase; Protein Biosynthesis; Protein Engineering; Proteins; Spectrometry, Mass, Electrospray Ionization; Tyrosine | 2005 |
Rotenone and CCCP inhibit tyrosine hydroxylation in rat striatal tissue slices.
Topics: Adenosine Triphosphate; Animals; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Cell Survival; Corpus Striatum; Dihydroxyphenylalanine; Hydroxylation; Male; Organ Culture Techniques; PC12 Cells; Rats; Rats, Wistar; Rotenone; Tyrosine | 2005 |
Protein oxidation injury occurs during pediatric cardiopulmonary bypass.
Topics: Adolescent; Cardiopulmonary Bypass; Child; Child, Preschool; Dihydroxyphenylalanine; Female; Humans; Infant; Infant, Newborn; Male; Oxidation-Reduction; Postoperative Complications; Prospective Studies; Tyrosine | 2005 |
2,4,5-Trihydroxyphenylalanine quinone biogenesis in the copper amine oxidase from Hansenula polymorpha with the alternate metal nickel.
Topics: Amine Oxidase (Copper-Containing); Binding Sites; Dihydroxyphenylalanine; Kinetics; Metals; Nickel; Oxygen; Pichia; Protein Processing, Post-Translational; Tyrosine | 2005 |
Accumulation of the hydroxyl free radical markers meta-, ortho-tyrosine and DOPA in cataractous lenses is accompanied by a lower protein and phenylalanine content of the water-soluble phase.
Topics: Aged; Cataract; Cross-Sectional Studies; Diabetes Mellitus, Type 2; Dihydroxyphenylalanine; Eye Proteins; Humans; Hydroxyl Radical; Lens, Crystalline; Middle Aged; Phenylalanine; Solubility; Tyrosine; Water | 2005 |
Analogues of N-hydroxycinnamoylphenalkylamides as inhibitors of human melanocyte-tyrosinase.
Topics: Amides; Benzoquinones; Caffeic Acids; Catalysis; Cells, Cultured; Dihydroxyphenylalanine; Enzyme Inhibitors; Humans; Levodopa; Melanins; Melanocytes; Monophenol Monooxygenase; Oxidation-Reduction; Pigmentation Disorders; Pyrones; Skin; Structure-Activity Relationship; Tyramine; Tyrosine | 2006 |
Site-specific replacement of Y356 with 3,4-dihydroxyphenylalanine in the beta2 subunit of E. coli ribonucleotide reductase.
Topics: Adenosine Triphosphate; Amino Acid Substitution; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Escherichia coli; Free Radicals; Guanosine Diphosphate; Kinetics; Models, Molecular; Oxidation-Reduction; Ribonucleotide Reductases; Spectrophotometry, Ultraviolet; Thymine Nucleotides; Tyrosine | 2006 |
A derivative of the glycopeptide A40926 produced by inactivation of the beta-hydroxylase gene in Nonomuraea sp. ATCC39727.
Topics: Actinomycetales; Bacterial Proteins; Dihydroxyphenylalanine; Gene Deletion; Hydroxylation; Mixed Function Oxygenases; Molecular Structure; Mutagenesis, Insertional; Teicoplanin; Tyrosine | 2006 |
Role of a strictly conserved active site tyrosine in cofactor genesis in the copper amine oxidase from Hansenula polymorpha.
Topics: Amine Oxidase (Copper-Containing); Binding Sites; Catalysis; Coenzymes; Conserved Sequence; Copper; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Ethylamines; Hydrogen Bonding; Hydrogen-Ion Concentration; Kinetics; Ligands; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Phenylhydrazines; Pichia; Tyrosine | 2006 |
The slaty mutation affects eumelanin and pheomelanin synthesis in mouse melanocytes.
Topics: Animals; Cell Differentiation; Cells, Cultured; Culture Media; Dermis; Dihydroxyphenylalanine; Epidermal Cells; Female; Gene Expression Regulation, Developmental; Intramolecular Oxidoreductases; Kinetics; Male; Melanins; Melanocytes; Mice; Mice, Inbred C57BL; Mutation; Pyrroles; Skin; Tyrosine | 2006 |
Investigation of Cu(I)-dependent 2,4,5-trihydroxyphenylalanine quinone biogenesis in Hansenula polymorpha amine oxidase.
Topics: Amine Oxidase (Copper-Containing); Binding Sites; Copper; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Kinetics; Models, Chemical; Pichia; Spectrophotometry; Superoxides; Tyrosine; Ultraviolet Rays | 2006 |
Neuropeptide Y induced attenuation of catecholamine synthesis in the rat mesenteric arterial bed.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Electric Stimulation; Hydrazines; Hydroxylation; In Vitro Techniques; Male; Mesenteric Arteries; Neuropeptide Y; Rats; Rats, Sprague-Dawley; Receptors, Neuropeptide Y; Tyrosine | 2006 |
Comparison of [18F]FDOPA, [18F]FMT and [18F]FECNT for imaging dopaminergic neurotransmission in mice.
Topics: Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Male; Mice; Mice, Inbred C57BL; Neurotransmitter Agents; Nortropanes; Parkinson Disease; Parkinsonian Disorders; Radionuclide Imaging; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Substantia Nigra; Synaptic Transmission; Tyrosine | 2006 |
Increased striatal dopamine synthesis is associated with decreased tissue levels of tyrosine.
Topics: 4-Butyrolactone; Amino Acids; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dopamine Antagonists; Down-Regulation; Extracellular Fluid; Haloperidol; Hydroxylation; Male; Microdialysis; Neurons; Prefrontal Cortex; Presynaptic Terminals; Rats; Rats, Sprague-Dawley; Solvents; Tyrosine; Tyrosine 3-Monooxygenase; Up-Regulation | 2006 |
Morphine synthesis in animals.
Topics: Alkaloids; Animals; Benzylisoquinolines; Dihydroxyphenylalanine; Morphine; Papaver; Stereoisomerism; Tyrosine | 2006 |
Stimulation of catecholamine synthesis via activation of p44/42 MAPK in cultured bovine adrenal medullary cells by milnacipran.
Topics: Adrenal Medulla; Animals; Antidepressive Agents; Butadienes; Catecholamines; Cattle; Cells, Cultured; Cyclopropanes; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Enzyme Activation; Fluvoxamine; Milnacipran; Mitogen-Activated Protein Kinase 1; Mitogen-Activated Protein Kinase 3; Nitriles; Paroxetine; Phosphorylation; Protein Kinase Inhibitors; Selective Serotonin Reuptake Inhibitors; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 2007 |
Preferred transport of O-(2-[18F]fluoroethyl)-D-tyrosine (D-FET) into the porcine brain.
Topics: Adult; Animals; Biological Transport; Blood-Brain Barrier; Brain; Brain Neoplasms; Contrast Media; Dihydroxyphenylalanine; Female; Fluorine Radioisotopes; Humans; Male; Middle Aged; Positron-Emission Tomography; Stereoisomerism; Swine; Tissue Distribution; Tyrosine | 2007 |
Cell adhesion biomaterial based on mussel adhesive protein fused with RGD peptide.
Topics: Animals; Cell Adhesion; Cell Proliferation; CHO Cells; Coated Materials, Biocompatible; Cricetinae; Cricetulus; Dihydroxyphenylalanine; Escherichia coli; HeLa Cells; Humans; Materials Testing; Microscopy, Atomic Force; Oligopeptides; Proteins; Recombinant Fusion Proteins; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Surface Properties; Tyrosine | 2007 |
Analysis of dopamine and tyrosinase activity on ion-sensitive field-effect transistor (ISFET) devices.
Topics: Aluminum Oxide; Benzoquinones; Biosensing Techniques; Dihydroxyphenylalanine; Dopamine; Fluorescence; Indicators and Reagents; Monophenol Monooxygenase; Oxidation-Reduction; Potentiometry; Quantum Dots; Transistors, Electronic; Tyrosine | 2007 |
Dual effects of daidzein, a soy isoflavone, on catecholamine synthesis and secretion in cultured bovine adrenal medullary cells.
Topics: Acetylcholine; Adrenal Medulla; Animals; Carbon Radioisotopes; Catecholamines; Cattle; Cell Membrane; Cells, Cultured; Dihydroxyphenylalanine; Estradiol; Glycine max; Isoflavones; Tyrosine; Tyrosine 3-Monooxygenase | 2007 |
The emergence of grass root chemical ecology.
Topics: Dihydroxyphenylalanine; Ecology; Fabaceae; Pheromones; Plant Roots; Poaceae; Tyrosine | 2007 |
Cr(II) reactivity of taurine/alpha-ketoglutarate dioxygenase.
Topics: Binding Sites; Catalysis; Chromium; Dihydroxyphenylalanine; Ferrous Compounds; Mixed Function Oxygenases; Molecular Structure; Tyrosine | 2007 |
Tyrosine depletion lowers dopamine synthesis and desipramine-induced prefrontal cortex catecholamine levels.
Topics: Adrenergic Uptake Inhibitors; Animals; Desipramine; Dihydroxyphenylalanine; Dopamine; Male; Microdialysis; Norepinephrine; Norepinephrine Plasma Membrane Transport Proteins; Prefrontal Cortex; Rats; Rats, Sprague-Dawley; Tyrosine | 2008 |
Formation of dihydroxyphenylalanine from tyrosine by coupled oxidation with ascorbic acid.
Topics: Alanine; Ascorbic Acid; Dihydroxyphenylalanine; Oxidation-Reduction; Tyrosine | 1949 |
Abnormally increased CSF 3-Ortho-methyldopa (3-OMD) in untreated restless legs syndrome (RLS) patients indicates more severe disease and possibly abnormally increased dopamine synthesis.
Topics: Adult; Aged; Biomarkers; Circadian Rhythm; Dihydroxyphenylalanine; Dopamine; Female; Humans; Linear Models; Male; Middle Aged; Restless Legs Syndrome; Severity of Illness Index; Spinal Puncture; Tyrosine; Tyrosine 3-Monooxygenase | 2009 |
Enantioseparation of dopa and related compounds by cyclodextrin-modified microemulsion electrokinetic chromatography.
Topics: Amino Acids, Aromatic; Chromatography; Chromatography, Micellar Electrokinetic Capillary; Cyclodextrins; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Methyldopa; Phenylalanine; Reproducibility of Results; Stereoisomerism; Tyrosine | 2008 |
Inflammatory sites as a source of plasma neopterin: measurement of high levels of neopterin and markers of oxidative stress in pus drained from human abscesses.
Topics: Abscess; Adult; Aged; Aged, 80 and over; alpha-Tocopherol; Dihydroxyphenylalanine; Female; Humans; Inflammation; Male; Middle Aged; Neopterin; Oxidative Stress; Suppuration; Tyrosine | 2008 |
Enzymatic oxidation of tyrosine and dihydroxyphenylalanine by melanoma extracts.
Topics: Dihydroxyphenylalanine; Humans; Melanoma; Oxidation-Reduction; Tyrosine | 1948 |
Quantum chemical approach to the mechanism for the biological conversion of tyrosine to dopaquinone.
Topics: Benzene; Benzoquinones; Binding Sites; Computer Simulation; Crystallography, X-Ray; Dihydroxyphenylalanine; Hydrogen Peroxide; Models, Molecular; Monophenol Monooxygenase; Oxygen; Protein Structure, Tertiary; Protons; Substrate Specificity; Tyrosine | 2008 |
Cross-linking of a DOPA-containing peptide ligand into its G protein-coupled receptor.
Topics: Amino Acid Sequence; Amino Acid Substitution; Arginine; Binding Sites; Cell Membrane; Cross-Linking Reagents; Cysteine; Dihydroxyphenylalanine; Immunoblotting; Ligands; Models, Molecular; Oligopeptides; Protein Binding; Protein Structure, Tertiary; Receptors, G-Protein-Coupled; Receptors, Mating Factor; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Transformation, Genetic; Tyrosine | 2009 |
Peripheral COMT inhibition prevents levodopa associated homocysteine increase.
Topics: Adult; Aged; Aged, 80 and over; Antiparkinson Agents; Carbidopa; Catechol O-Methyltransferase Inhibitors; Catechols; Delayed-Action Preparations; Dihydroxyphenylalanine; Enzyme Inhibitors; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Nitriles; Parkinson Disease; Time Factors; Tyrosine | 2009 |
Plasma phenylalanine level in dopa-responsive dystonia.
Topics: Analysis of Variance; Dihydroxyphenylalanine; Dopamine Agents; Dystonia; GTP Cyclohydrolase; Humans; Phenylalanine; Tyrosine | 2009 |
Measurement of intrinsic rate constants in the tyrosine hydroxylase reaction.
Topics: Animals; Catalysis; Dihydroxyphenylalanine; Kinetics; Models, Molecular; Rats; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 2010 |
p-coumaric acid not only inhibits human tyrosinase activity in vitro but also melanogenesis in cells exposed to UVB.
Topics: Agaricales; Animals; Arbutin; Cells, Cultured; Coumaric Acids; Dihydroxyphenylalanine; Epidermal Cells; Humans; Melanocytes; Melanoma, Experimental; Mice; Molecular Structure; Monophenol Monooxygenase; Pigmentation; Propionates; Pyrones; Tyrosine; Ultraviolet Rays | 2010 |
Endogenous 3,4-dihydroxyphenylalanine and dopaquinone modifications on protein tyrosine: links to mitochondrially derived oxidative stress via hydroxyl radical.
Topics: 14-3-3 Proteins; Amino Acid Sequence; Animals; Benzoquinones; Brain; Cytoskeletal Proteins; Dihydroxyphenylalanine; Hydroxyl Radical; Male; Mass Spectrometry; Mice; Mice, Inbred C57BL; Mitochondria; Mitochondrial Proteins; Molecular Sequence Data; Myocardium; Organ Specificity; Oxidative Stress; Peptides; Tyrosine | 2010 |
Tyrosine hydroxylase deficiency in three Greek patients with a common ancestral mutation.
Topics: Child, Preschool; Dihydroxyphenylalanine; DNA Mutational Analysis; Greece; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Leucine; Metabolic Diseases; Methoxyhydroxyphenylglycol; Mutation; Proline; Tyrosine; Tyrosine 3-Monooxygenase; Young Adult | 2010 |
Preparation of d-tyrosine, its acetyl derivatives, and d-3,4-dihydroxyphenylalanine.
Topics: Dihydroxyphenylalanine; Phenylalanine; Tyrosine | 1946 |
Mutation at a strictly conserved, active site tyrosine in the copper amine oxidase leads to uncontrolled oxygenase activity.
Topics: Amine Oxidase (Copper-Containing); Binding Sites; Copper; Dihydroxyphenylalanine; Mutation; Oxidation-Reduction; Oxygenases; Pichia; Tyrosine | 2010 |
A within-subject comparison of 6-[18F]fluoro-m-tyrosine and 6-[18F]fluoro-L-dopa in Parkinson's disease.
Topics: Aged; Brain; Dihydroxyphenylalanine; Female; Fluorine Radioisotopes; Humans; Male; Middle Aged; Parkinson Disease; Severity of Illness Index; Tomography, Emission-Computed; Tyrosine | 2011 |
Chiral capillary electrophoresis-mass spectrometry of 3,4-dihydroxyphenylalanine: evidence for its enantioselective metabolism in PC-12 nerve cells.
Topics: Animals; beta-Cyclodextrins; Dihydroxyphenylalanine; Electrophoresis, Capillary; Mass Spectrometry; PC12 Cells; Phenylalanine; Rats; Stereoisomerism; Tyrosine | 2011 |
Dityrosine, 3,4-dihydroxyphenylalanine (DOPA), and radical formation from tyrosine residues on milk proteins with globular and flexible structures as a result of riboflavin-mediated photo-oxidation.
Topics: Amino Acid Motifs; Animals; Cattle; Dihydroxyphenylalanine; Free Radicals; Lactoglobulins; Milk Proteins; Oxidation-Reduction; Protein Conformation; Riboflavin; Serum Albumin, Bovine; Tyrosine | 2011 |
Pyridoxal phosphate-responsive seizures in a patient with cerebral folate deficiency (CFD) and congenital deafness with labyrinthine aplasia, microtia and microdontia (LAMM).
Topics: Base Sequence; Child; Codon, Nonsense; Congenital Abnormalities; Congenital Microtia; Dihydroxyphenylalanine; DNA Primers; Ear; Ear, Inner; Electroencephalography; Epilepsy; Fibroblast Growth Factor 3; Folate Receptor 1; Folic Acid Deficiency; Humans; Levodopa; Male; Molecular Sequence Data; Pyridoxal Phosphate; Radiography; Sequence Analysis, DNA; Skull; Syndrome; Tooth Abnormalities; Tyrosine | 2011 |
A novel deletion mutation of mouse ruby-eye 2 named ru2(d)/Hps5(ru2-d) inhibits melanocyte differentiation and its impaired differentiation is rescued by L-tyrosine.
Topics: Animals; Cell Differentiation; Cells, Cultured; Culture Media; Dihydroxyphenylalanine; Gene Deletion; Gene Expression Regulation; Immunohistochemistry; Melanins; Melanocytes; Mice; Monophenol Monooxygenase; Proteins; Reverse Transcriptase Polymerase Chain Reaction; Tyrosine | 2011 |
Effect of chronic protein ingestion on tyrosine and tryptophan levels and catecholamine and serotonin synthesis in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Caseins; Catecholamines; Cerebral Cortex; Diet, Protein-Restricted; Dietary Proteins; Dihydroxyphenylalanine; Enzyme Inhibitors; Hydrazines; Hypothalamus; Male; Protein Deficiency; Rats; Rats, Sprague-Dawley; Serotonin; Tryptophan; Tyrosine | 2011 |
Effect of extracorporeal shockwave treatment on the melanogenic activity of cultured melanocytes.
Topics: Animals; Cell Survival; Cells, Cultured; Dihydroxyphenylalanine; Dose-Response Relationship, Radiation; High-Energy Shock Waves; Melanins; Melanocytes; Mice; Monophenol Monooxygenase; Reference Standards; Skin Pigmentation; Tyrosine; Ultraviolet Rays | 2012 |
Indirect inactivation of tyrosinase in its action on tyrosine.
Topics: Agaricales; Benzoquinones; Computer Simulation; Dihydroxyphenylalanine; Enzyme Activation; Enzyme Assays; Enzyme Inhibitors; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Monophenol Monooxygenase; Oxidation-Reduction; Oxidoreductases; Oxygen; Phenols; Stereoisomerism; Tyrosine | 2011 |
Biochemical evaluation of a parsley tyrosine decarboxylase results in a novel 4-hydroxyphenylacetaldehyde synthase enzyme.
Topics: Acetaldehyde; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; Petroselinum; Phenol; Thalictrum; Tyrosine; Tyrosine Decarboxylase | 2012 |
Increased tyrosine availability increases brain regional DOPA levels in vivo.
Topics: Animals; Brain; Dihydroxyphenylalanine; Rats; Rats, Sprague-Dawley; Tyrosine | 2012 |
Bioinspired bioadhesive polymers: dopa-modified poly(acrylic acid) derivatives.
Topics: Acrylic Resins; Adhesiveness; Animals; Biomimetic Materials; Calorimetry, Differential Scanning; Dihydroxyphenylalanine; Gastropoda; Intestines; Magnetic Resonance Spectroscopy; Male; Materials Testing; Methylmethacrylates; Phenylalanine; Rats; Rats, Sprague-Dawley; Spectroscopy, Fourier Transform Infrared; Tensile Strength; Tissue Adhesives; Tissue Culture Techniques; Tyrosine | 2012 |
Tyrosine depletion lowers in vivo DOPA synthesis in ventral hippocampus.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Dihydroxyphenylalanine; Dopamine; Hippocampus; Hydrazines; Male; Norepinephrine; Rats; Rats, Sprague-Dawley; Tyrosine | 2012 |
In vivo modification of tyrosine residues in recombinant mussel adhesive protein by tyrosinase co-expression in Escherichia coli.
Topics: Benzoquinones; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Escherichia coli; Monophenol Monooxygenase; Protein Processing, Post-Translational; Proteins; Recombinant Fusion Proteins; Recombinant Proteins; Tandem Mass Spectrometry; Tyrosine | 2012 |
Beneficial effects of natural phenolics on levodopa methylation and oxidative neurodegeneration.
Topics: Adrenergic Uptake Inhibitors; Analysis of Variance; Animals; Antiparkinson Agents; Carbidopa; Catechin; Catechol O-Methyltransferase; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Disease Models, Animal; Excitatory Amino Acid Agonists; Fluoresceins; Glial Fibrillary Acidic Protein; Hippocampus; Hydroxybenzoates; In Vitro Techniques; Kainic Acid; Levodopa; Male; Methylation; Mice; Nerve Degeneration; Neurons; Rats; Rats, Sprague-Dawley; Reserpine; Time Factors; Tyrosine | 2013 |
Development of a microchip-pulsed electrochemical method for rapid determination of L-DOPA and tyrosine in Mucuna pruriens.
Topics: Dihydroxyphenylalanine; Electrodes; Electrophoresis, Microchip; Mucuna; Tyrosine | 2013 |
Hybrid microPET imaging for dosimetric applications in mice: improvement of activity quantification in dynamic microPET imaging for accelerated dosimetry applied to 6-[18 F]fluoro-L-DOPA and 2-[18 F]fluoro-L-tyrosine.
Topics: Animals; Dihydroxyphenylalanine; Fluorine Radioisotopes; Male; Mice; Mice, Inbred C57BL; Positron-Emission Tomography; Tissue Distribution; Tyrosine | 2014 |
Intra-individual comparison of ¹⁸F-FET and ¹⁸F-DOPA in PET imaging of recurrent brain tumors.
Topics: Astrocytoma; Brain Neoplasms; Dihydroxyphenylalanine; Glioblastoma; Humans; Neoplasm Recurrence, Local; Positron-Emission Tomography; Tyrosine | 2014 |
Lincomycin biosynthesis involves a tyrosine hydroxylating heme protein of an unusual enzyme family.
Topics: Anti-Bacterial Agents; Bacterial Proteins; Chromatography, High Pressure Liquid; Circular Dichroism; Dihydroxyphenylalanine; Escherichia coli; Gene Expression; Heme; Hemeproteins; Hydroxylation; Iron; Lincomycin; Multigene Family; Recombinant Proteins; Streptomyces; Tyrosine; Tyrosine 3-Monooxygenase | 2013 |
Diagnosis of aromatic L-amino acid decarboxylase deficiency by measuring 3-O-methyldopa concentrations in dried blood spots.
Topics: Amino Acid Metabolism, Inborn Errors; Aromatic-L-Amino-Acid Decarboxylases; Calibration; Child; Child, Preschool; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dried Blood Spot Testing; Humans; Infant; Infant, Newborn; Neonatal Screening; Quality Control; Reference Standards; Reproducibility of Results; Tandem Mass Spectrometry; Tyrosine | 2014 |
A dual-tracer study of extrastriatal 6-[18F]fluoro-m-tyrosine and 6-[18F]-fluoro-L-dopa uptake in Parkinson's disease.
Topics: Brain; Dihydroxyphenylalanine; Disease Progression; Female; Fluorine Radioisotopes; Humans; Image Processing, Computer-Assisted; Levodopa; Magnetic Resonance Imaging; Male; Middle Aged; Parkinson Disease; Positron-Emission Tomography; Radiopharmaceuticals; Time Factors; Tyrosine | 2014 |
Synthesis of adhesive peptides similar to those found in blue mussel (Mytilus edulis) using papain and tyrosinase.
Topics: Animals; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Lysine; Magnetic Resonance Spectroscopy; Monophenol Monooxygenase; Mytilus edulis; Papain; Polymers; Proteins; Tyrosine | 2014 |
Comparison of the amino acid tracers 18F-FET and 18F-DOPA in high-grade glioma patients.
Topics: Adult; Aged; Aged, 80 and over; Amino Acids; Basal Ganglia; Biopsy; Brain; Brain Neoplasms; Dihydroxyphenylalanine; Female; Glioma; Humans; Logistic Models; Male; Middle Aged; Prospective Studies; Radionuclide Imaging; Recurrence; Tyrosine | 2014 |
Simultaneous determination of levodopa, carbidopa, entacapone, tolcapone, 3-O-methyldopa and dopamine in human plasma by an HPLC-MS/MS method.
Topics: Benzophenones; Blood Chemical Analysis; Carbidopa; Catechols; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Humans; Levodopa; Nitriles; Nitrophenols; Quality Control; Reproducibility of Results; Tandem Mass Spectrometry; Tolcapone; Tyrosine | 2015 |
Cu(II)-mediated phenol oxygenation: chemical evidence implicates a unique role of the enzyme active site in promoting the chemically difficult tyrosine monooxygenation in TPQ cofactor biogenesis of copper amine oxidases.
Topics: Amine Oxidase (Copper-Containing); Catalytic Domain; Coenzymes; Copper; Dihydroxyphenylalanine; Oxidation-Reduction; Oxygen; Phenols; Tyrosine | 2015 |
Adsorption of chemically synthesized mussel adhesive peptide sequences containing DOPA on stainless steel.
Topics: Adsorption; Agaricales; Amino Acid Motifs; Animals; Bivalvia; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Monophenol Monooxygenase; Peptides; Plant Proteins; Proteins; Stainless Steel; Surface Properties; Tyrosine | 2015 |
Salvianolic acid B as a substrate and weak catechol-O-methyltransferase inhibitor in rats.
Topics: Animals; Benzofurans; Benzophenones; Catechol O-Methyltransferase; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Kinetics; Levodopa; Male; Metabolome; Methylation; Nitrophenols; Organ Specificity; Rats, Sprague-Dawley; Reproducibility of Results; Substrate Specificity; Tolcapone; Tyrosine | 2015 |
Automated production at the curie level of no-carrier-added 6-[(18)F]fluoro-L-dopa and 2-[(18)F]fluoro-L-tyrosine on a FASTlab synthesizer.
Topics: Automation, Laboratory; Chemistry Techniques, Synthetic; Dihydroxyphenylalanine; Radiopharmaceuticals; Tyrosine | 2015 |
De novo sequencing and analysis of Lophophora williamsii transcriptome, and searching for putative genes involved in mescaline biosynthesis.
Topics: Biosynthetic Pathways; Decarboxylation; Dihydroxyphenylalanine; Genes, Plant; High-Throughput Nucleotide Sequencing; Hydroxylation; Likelihood Functions; Mescaline; Methyltransferases; Molecular Sequence Annotation; Phylogeny; Real-Time Polymerase Chain Reaction; Reproducibility of Results; Sophora; Transcriptome; Tyrosine | 2015 |
Evaluation of 6-11C-Methyl-m-Tyrosine as a PET Probe for Presynaptic Dopaminergic Activity: A Comparison PET Study with β-11C-l-DOPA and 18F-FDOPA in Parkinson Disease Monkeys.
Topics: Animals; Brain; Carbidopa; Dihydroxyphenylalanine; Dopamine Plasma Membrane Transport Proteins; Dopaminergic Neurons; Enzyme Inhibitors; Levodopa; Macaca fascicularis; MPTP Poisoning; Parkinson Disease, Secondary; Positron-Emission Tomography; Radiopharmaceuticals; Receptors, Presynaptic; Tyrosine | 2016 |
Aspergillus niger PA2: a novel strain for extracellular biotransformation of L-tyrosine into L-DOPA.
Topics: Aspergillus niger; Biotransformation; Dihydroxyphenylalanine; Food Microbiology; Hydrogen-Ion Concentration; Kinetics; Phylogeny; Tyrosine | 2016 |
Simultaneous estimation of levodopa, carbidopa and 3-oxymethyldopa in rat plasma using HPLC-ECD.
Topics: Animals; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electrochemical Techniques; Levodopa; Limit of Detection; Male; Rats; Rats, Wistar; Tyrosine | 2016 |
3-O-Methyldopa inhibits astrocyte-mediated dopaminergic neuroprotective effects of L-DOPA.
Topics: Animals; Astrocytes; Catechol O-Methyltransferase Inhibitors; Catechols; Cells, Cultured; Corpus Striatum; Dihydroxyphenylalanine; Dopamine Agents; Dopaminergic Neurons; Dose-Response Relationship, Drug; Glutathione; Levodopa; Mesencephalon; Neuroprotection; Neuroprotective Agents; Nitriles; Rats, Sprague-Dawley; Tyrosine | 2016 |
NADPH oxidase-derived H2O2 subverts pathogen signaling by oxidative phosphotyrosine conversion to PB-DOPA.
Topics: Campylobacter jejuni; Cell Line; Dihydroxyphenylalanine; Drug Resistance, Bacterial; Heme; Host-Pathogen Interactions; Humans; Hydrogen Peroxide; Immune System; Klebsiella pneumoniae; Listeria monocytogenes; NADPH Oxidases; Oxidation-Reduction; Oxidative Phosphorylation; Oxygen; Peroxidase; Phosphotyrosine; Reactive Oxygen Species; Salmonella enterica; Tyrosine | 2016 |
"Inherently chiral" thiophene-based electrodes at work: a screening of enantioselection ability toward a series of pharmaceutically relevant phenolic or catecholic amino acids, amino esters, and amine.
Topics: Amines; Amino Acids; Catechols; Dihydroxyphenylalanine; Electrochemical Techniques; Electrodes; Epinephrine; Esters; Phenols; Stereoisomerism; Thiophenes; Tyrosine | 2016 |
Simultaneous measurement of monoamine metabolites and 5-methyltetrahydrofolate in the cerebrospinal fluid of children.
Topics: Aromatic-L-Amino-Acid Decarboxylases; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dystonic Disorders; Fluorescence; Folate Receptor 1; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Limit of Detection; Methoxyhydroxyphenylglycol; Neuroaxonal Dystrophies; Reference Values; Reproducibility of Results; Tetrahydrofolates; Tyrosine | 2017 |
Levodopa, placebo and rotigotine change biomarker levels for oxidative stress.
Topics: Aged; Analysis of Variance; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dipeptides; Dopamine Agents; Electrochemical Techniques; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Oxidative Stress; Parkinson Disease; Tetrahydronaphthalenes; Thiophenes; Time Factors; Tyrosine | 2017 |
Pheomelanogenesis is promoted at a weakly acidic pH.
Topics: Acids; Cysteine; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Melanins; Melanosomes; Monophenol Monooxygenase; Oxidation-Reduction; Time Factors; Tyrosine | 2017 |
Comparative assessment of 6-[
Topics: Animals; Apomorphine; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; Disease Models, Animal; Dopamine; Fluorine Radioisotopes; Image Processing, Computer-Assisted; Male; Neostriatum; Oxidopamine; Parkinson Disease; Parkinson Disease, Secondary; Positron-Emission Tomography; Radiopharmaceuticals; Rats; Rats, Sprague-Dawley; Receptors, Presynaptic; Stereotyped Behavior; Tyrosine | 2017 |
Mechanistic insights into tyrosinase-mediated crosslinking of soy glycinin derived peptides.
Topics: Dihydroxyphenylalanine; Globulins; Glycine max; Monophenol Monooxygenase; Oxidation-Reduction; Peptides; Soybean Proteins; Tyrosine | 2017 |
Structure-activity relationship of clovamide and its related compounds for the inhibition of amyloid β aggregation.
Topics: Alzheimer Disease; Amyloid beta-Peptides; Cacao; Catechols; Cinnamates; Dihydroxyphenylalanine; Humans; Inhibitory Concentration 50; Structure-Activity Relationship; Tyrosine | 2018 |
Self-assembly and biological activities of ionic liquid crystals derived from aromatic amino acids.
Topics: Amino Acids, Aromatic; Animals; Calorimetry, Differential Scanning; Cell Line; Dihydroxyphenylalanine; Guanidine; Ions; Liquid Crystals; Mice; Phase Transition; Phenylalanine; Scattering, Small Angle; Staphylococcus aureus; Thermodynamics; Transition Temperature; Tyrosine; X-Ray Diffraction | 2018 |
Effect of Aurea Helianthus stem extract on anti-melanogenesis.
Topics: Animals; Antineoplastic Agents, Phytogenic; Benzoquinones; Cell Line, Tumor; Coumaric Acids; Dihydroxyphenylalanine; Down-Regulation; Helianthus; Melanins; Melanoma, Experimental; Mice; Microphthalmia-Associated Transcription Factor; Monophenol Monooxygenase; Plant Extracts; Plant Proteins; Plant Stems; Skin Lightening Preparations; Tyramine; Tyrosine | 2018 |
Metal-free class Ie ribonucleotide reductase from pathogens initiates catalysis with a tyrosine-derived dihydroxyphenylalanine radical.
Topics: Dihydroxyphenylalanine; Escherichia coli; Escherichia coli Proteins; Free Radicals; Ribonucleotide Reductases; Tyrosine | 2018 |
Metal-free ribonucleotide reduction powered by a DOPA radical in Mycoplasma pathogens.
Topics: Amino Acid Sequence; Dihydroxyphenylalanine; Escherichia coli; Immune System; Iron; Metals; Models, Molecular; Mycoplasma; Operon; Oxidation-Reduction; Ribonucleotide Reductases; Ribonucleotides; Tyrosine | 2018 |
Discovery of a New Class I Ribonucleotide Reductase with an Essential DOPA Radical and NO Metal as an Initiator of Long-Range Radical Transfer.
Topics: Dihydroxyphenylalanine; Escherichia coli; Escherichia coli Proteins; Free Radicals; Metals; Reactive Oxygen Species; Ribonucleotide Reductases; Tyrosine | 2019 |
Tyrosinase-encapsulated liposomes: Toward enzyme-induced in situ sensitization of semiconductor for sensitive photoelectrochemical immunoassay.
Topics: Dihydroxyphenylalanine; Immunoassay; Light; Liposomes; Monophenol Monooxygenase; Semiconductors; Titanium; Tyrosine | 2019 |
Adhesive Properties of Adsorbed Layers of Two Recombinant Mussel Foot Proteins with Different Levels of DOPA and Tyrosine.
Topics: Adhesives; Adsorption; Amino Acid Sequence; Animals; Bivalvia; Dihydroxyphenylalanine; Microscopy, Atomic Force; Recombinant Proteins; Surface Properties; Tyrosine | 2019 |
Study of tyrosine and dopa enantiomers as tyrosinase substrates initiating l- and d-melanogenesis pathways.
Topics: Catalysis; Dihydroxyphenylalanine; Fungal Proteins; Kinetics; Melanins; Monophenol Monooxygenase; Oxidation-Reduction; Stereoisomerism; Tyrosine | 2021 |
Real-time fluorometric monitoring of monophenolase activity using a matrix-matched calibration curve.
Topics: Calibration; Catalytic Domain; Chemistry Techniques, Analytical; Chromatography, High Pressure Liquid; Chromatography, Liquid; Dihydroxyphenylalanine; Enzyme Inhibitors; Fluorometry; Kinetics; Limit of Detection; Monophenol Monooxygenase; Oxidation-Reduction; Oxidoreductases; Reproducibility of Results; Time Factors; Tyrosine | 2021 |
Silk Hydrogels with Controllable Formation of Dityrosine, 3,4-Dihydroxyphenylalanine, and 3,4-Dihydroxyphenylalanine-Fe
Topics: Chitosan; Dihydroxyphenylalanine; Fibroins; Hydrogels; Silk; Tyrosine | 2021 |
Exploring the Mesoscopic Morphology in Mussel Adhesive Proteins by Soft X-ray Spectromicroscopy.
Topics: Adhesives; Animals; Bivalvia; Dihydroxyphenylalanine; Tyrosine; X-Rays | 2021 |
Pancreatic acinar cells utilize tyrosine to synthesize L-dihydroxyphenylalanine.
Topics: Acinar Cells; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Aromatic-L-Amino-Acid Decarboxylases; Atropine; Bethanechol; Cell Line; Dihydroxyphenylalanine; Dopamine; Hydrazines; Islets of Langerhans; Rats; Rats, Sprague-Dawley; Tyrosine; Tyrosine 3-Monooxygenase | 2021 |
Expression profiles of tyrosine metabolic pathway genes and functional analysis of DOPA decarboxylase in puparium tanning of Bactrocera dorsalis (Hendel).
Topics: Animals; Dihydroxyphenylalanine; Dopa Decarboxylase; Insect Proteins; Metabolic Networks and Pathways; Tephritidae; Tyrosine | 2022 |
DOPA Residues Endow Collagen with Radical Scavenging Capacity.
Topics: Amino Acids; Collagen; Dihydroxyphenylalanine; Oxidation-Reduction; Tyrosine | 2023 |