urea has been researched along with ornithine in 421 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 279 (66.27) | 18.7374 |
| 1990's | 55 (13.06) | 18.2507 |
| 2000's | 48 (11.40) | 29.6817 |
| 2010's | 27 (6.41) | 24.3611 |
| 2020's | 12 (2.85) | 2.80 |
| Authors | Studies |
|---|---|
| Barth, JG | 1 |
| Cooper, T; Gorski, M; Sumrada, R | 1 |
| Rao, TI; Sadasivudu, B | 1 |
| Kraus, H; Stubbe, P; von Berg, W | 1 |
| Elsen, A | 1 |
| Van Camp, K; van Sande, M | 1 |
| Allen, MM; Chee, HL; Weathers, PJ | 1 |
| Legerton, TL; Weiss, RL | 1 |
| Chase, HP; Glasgow, AM | 1 |
| Bradford, NM; McGivan, JD; Mendes-Mourão, J | 1 |
| Gerok, W; Keppler, DO; Pausch, JG | 1 |
| Katunuma, N; Saheki, T | 1 |
| Dahlman, DL; Rosenthal, G | 1 |
| Visek, WJ | 1 |
| Chiapello, H; Dépĕche, J | 1 |
| Ito, K; Koyama, K; Owada, Y; Sato, T; Watabe, S; Yamauchi, H | 1 |
| Freedland, RA; Story, DL; Triebwasser, KC | 1 |
| Matsuzawa, T | 1 |
| Hoogenraad, NJ; Howlett, GJ; Sutherland, TM | 1 |
| Chu, SW; Nesheim, MC | 1 |
| Coll, KE; Wałajtys-Rode, E; Williamson, JR | 1 |
| Ha, YH; Milner, JA | 1 |
| Deleeuw, G; Gimpel, JA; Meijer, AJ; Tager, JM; Tischler, ME; Williamson, JR | 1 |
| Hatchwell, LC; Milner, JA | 1 |
| Geelen, MJ; Wałajtys-Rode, EI; Wojtczak, AB | 1 |
| Chan, W; Kopple, JD; Schutz, I; Swendseid, ME; Wang, M | 1 |
| Galaev, IuV; Priakhina, ZhV | 1 |
| Kopple, JD; Schutz, I; Swendseid, ME; Wang, M | 1 |
| Katsunuma, T; Ohkubo, T; Saheki, T | 1 |
| De Santo, NG; Giordano, C; Pluvio, M; Santinelli, R; Stoppoloni, G | 1 |
| Cooper, T; Sumrada, R | 1 |
| Rognstad, R | 1 |
| Craigie, JS; Laycock, MV | 1 |
| Briggs, S; Freedland, RA | 2 |
| Hayase, K; Yokogoshi, H; Yoshida, A | 1 |
| Batshaw, M; Brusilow, S; Robinson, B; Sherwood, G; Walser, M | 1 |
| Freedland, RA; Triebwasser, KC | 1 |
| Glasgow, AM | 1 |
| Katsunuma, T; Saheki, T; Sase, M | 1 |
| Erb, W; Goldberg, P; Leinweber, W | 1 |
| Hansen, S; MacLean, J; Perry, TL | 1 |
| Weiss, RL | 1 |
| Shih, VE | 2 |
| Dawson, L; Kohrman, AF; Wilson, RW | 1 |
| Cimino, F; Salvatore, F | 1 |
| Oratz, M; Rothschild, MA; Schreiber, SS | 3 |
| Haas, D; Leisinger, T | 1 |
| Chan, W; Kopple, JD; Swendseid, ME; Wang, M | 1 |
| Brandt, JT; Fausto, N; Kesner, L | 1 |
| Clancy, PE; Henley, KS; Laughrey, EG; Lyra, LG | 1 |
| Hoppe-Seyler, G | 1 |
| Colombo, JP; Lavinha, F; Lowenthal, A; Terheggen, HG | 1 |
| Milner, JA; Visek, WJ | 1 |
| Read, LJ | 4 |
| katunuma, N; Saheki, T; Tanaka, T; Tsuda, M | 1 |
| Eskelin, LE; Perheentupa, J; Rapola, J; Simell, O; Visakorpi, JK | 1 |
| Krebs, HA; Stubbs, M | 1 |
| Beaudry, MA; Collu, R; Dallairf, L; Ducharme, JR; Leboeuf, G; Letarte, J; Melancon, SB | 1 |
| Ayuso, MS; Ciprés, G; Martín-Requero, A; Parrilla, R; Rodríguez, A | 1 |
| Bankir, L; Hus-Citharel, A; Levillain, O; Morel, F | 2 |
| Baverel, G; Martin, G; Vincent, N | 1 |
| Hatase, O; Hosokawa, K; Itano, T; Janjua, NA; Kugoh, T; Matsui, H; Tokuda, M | 1 |
| Hayase, K; Yonekawa, G; Yoshida, A | 1 |
| Mitkov, D | 3 |
| Blachier, F; Gomis, R; Malaisse, WJ; Mourtada, A; Sener, A | 1 |
| Dkhar, J; Ratha, BK; Saha, N | 1 |
| Piña, E; Saavedra-Molina, A | 1 |
| Blachier, F; Darcy-Vrillon, B; Duée, PH; Malaisse, WJ; Sener, A | 1 |
| Aaron, DK; Boling, JA; Davenport, GM; Schillo, KK | 1 |
| Chiang, BN; Han, SH; Huang, MH; Wang, SR; Yu, CL | 1 |
| Chamuleau, RA; Lamers, WH; Meijer, AJ | 1 |
| Knopman, DS; Shih, VE; Tuchman, M | 1 |
| Garwacki, S; Karlik, W; Krawielitzki, K; Souffrant, WB; Wiechetek, M | 1 |
| Albina, JE; Caldwell, MD; Henry, WL; Mills, CD | 1 |
| Alonso, E; García-España, A; Girbés, J; Rubio, V | 1 |
| Daune, G; Gerhart, F; Grauffel, C; Seiler, N | 1 |
| Albor, A; Blachier, F; Camara, J; Malaisse, WJ; Mourtada, A; Sener, A; Valverde, I | 2 |
| Mori, T; Nagao, M; Oyanagi, K; Tsuchiyama, A | 1 |
| Márquez, J; Matés, JM; Medina, MA; Núñez de Castro, I; Quesada, AR; Sánchez-Jiménez, F | 1 |
| Anderson, PM; Casey, CA | 1 |
| Cabo, J; del Prado Míguez, M; Jordá, A | 1 |
| Bergman, H; Maloiy, GM; Mommsen, TP; Perry, SF; Randall, DJ; Wood, CM; Wright, PA | 1 |
| Cheung, CW; Cohen, NS; Raijman, L | 2 |
| Maswoswe, SM; Tremblay, GC | 1 |
| White, MF | 1 |
| Lund, P; Wiggins, D | 1 |
| Beyreiss, K; Boehm, G; Müller, DM; Räihä, NC | 1 |
| Bourdel, G; Champigny, O; Hitier, Y | 1 |
| Hammarqvist, F; Vinnars, E; von der Decken, A; Wernerman, J | 1 |
| Ishihara, M; Iwasaki, K; Mano, K; Matsuzawa, T; Yugari, Y | 1 |
| Antoni, F; Bánhegyi, G; Garzó, T; Mandl, J | 1 |
| Bachmann, C; Colombo, JP; Schrämmli, A | 1 |
| Cederbaum, SD; Dizikes, GJ; Grody, WW | 1 |
| Baker, DH; Edmonds, MS; Lowry, KR | 1 |
| Halangk, W; Letko, G | 1 |
| Erecinska, M; Wilson, DF; Zaleski, J | 1 |
| Hird, FJ | 1 |
| Janssens, PA; Wilkes, GE | 1 |
| Ferragut, A; Martinez, ME; Piera, L; Plans, A; Rotellar, E; Sabater, J; Setoain, J | 1 |
| Dy, M; Ihle, JN; Schneider, E | 1 |
| Barth, CA; de Vrese, M | 1 |
| Lof, C; Meijer, AJ; Ramos, IC; Verhoeven, AJ | 1 |
| Rogers, QR; Visek, WJ | 1 |
| Morris, JG | 1 |
| Ontko, JA; Zaleski, J | 1 |
| Rantamäki, P; Soini, J | 1 |
| Kmieć, Z; Myśliwski, A | 1 |
| Boswell, M; Hoogenraad, NJ; Thaler, MM | 1 |
| Katunuma, N; Nishii, Y; Okada, M | 1 |
| Ratner, S | 1 |
| Estis, LF; Haschemeyer, RH; Meister, A; Trotta, PP | 1 |
| Fröhlich, J; Gerok, W; Helbig, C; Hoppe-Seyler, G; Maier, KP; Schollmeyer, P; Talke, H | 1 |
| Hiort, U; Kating, H | 1 |
| Chalupa, W; Clark, J; Lavker, R; Opliger, P | 1 |
| Omura, H; Osajima, Y; Tsukamoto, T | 1 |
| Kleczkowski, K | 1 |
| Heyns, K | 1 |
| Hellebust, JA; Liu, MS | 1 |
| Asafov, GB; Ekisenina, NI; Ivanova, LM; Lumel'skiĭ, VIa; Smagin, VG | 1 |
| Cohen, PP; Reddy, MK; Wixom, RL | 1 |
| Carlisky, NJ; Menendez, JL; Sadnik, IL | 1 |
| Martin, WJ; Washington, JA; Yu, PK | 1 |
| Saheki, T | 1 |
| Martin, WJ; McIlroy, GT; Washington, JA; Yu, PK | 1 |
| Cohen, SS; Lapi, L; Massey, S; Rubenstein, KE; Streibel, E | 1 |
| Balding, P; Boroff, DA; Gold, ER; Roberts, TA | 1 |
| Perheentupa, J; Simell, O | 2 |
| Jeacock, MK; Rattenbury, JM; Shepherd, DA | 1 |
| Campbell, JW; Tramell, PR | 1 |
| Andrews, TR; Reid, RG | 1 |
| Freedland, RA; Kramer, JW | 1 |
| Nordmann, J; Nordmann, R; Petit, MA | 1 |
| Heinonen, H; Schreck-Purola, I; Setälä, K | 1 |
| Knox, WE; Yip, MC | 1 |
| Hayashi, T; Nagai, Y | 1 |
| Miertsch, HJ; Róka, L | 1 |
| Antoniello, S; Cacciatore, L; De Ritis, F; Valentino, B | 2 |
| Forster, RP; Goldstein, L; Harley-DeWitt, S | 1 |
| Austic, RE | 1 |
| Aubertin, AM; Hirth, C; Kirn, A; Nonnenmacher, H; Travo, C | 1 |
| Hems, R; Krebs, HA; Lund, P | 1 |
| Wilson, RP | 1 |
| Poe, WE; Wilson, RP | 1 |
| Koffron, KL; Morris, DR | 2 |
| Holden, JT; Wilson, OH | 1 |
| Haţegan, D | 1 |
| Colombo, JP | 2 |
| Buckle, AL; Jones, HE | 1 |
| Cimino, F; Salvatore, F; Venuta, S | 1 |
| Porembska, Z | 1 |
| Hasselblatt, A; Panten, U; Poser, W | 2 |
| Barrio, A; Carlisky, NJ | 1 |
| Freeman, JM; Levy, HL; Lindenbaum, JE; Sunshine, P | 1 |
| Haines, JR; Lee, E; Ross, BD | 1 |
| Berenberg, W; Kang, ES | 1 |
| Fuller, HL; Keshavarz, K | 1 |
| Anakura, M; Arashima, S; Matsuda, I; Nambu, H; Takekoshi, Y | 1 |
| Forster, RP; Goldstein, L | 2 |
| Boorman, KN; Buttery, PJ | 1 |
| Makino, H; Nishibe, H | 1 |
| Charbonneau, R; Gosselin, C; Roberge, A | 1 |
| Goldstein, L; McBean, RL | 1 |
| Biswas, SD; Kleinberg, I | 1 |
| Gibson, W; Roizman, B | 1 |
| Waldschmidt, M | 1 |
| Kekomäki, M; Rahiala, EL; Räihä, NC | 1 |
| Carton, D; De Schrijver, F; Hooft, C; Kint, J; Van Durme, J | 1 |
| Dietz, RW; Flipse, RJ | 1 |
| Davis, RH; Lawless, MB; Port, LA | 1 |
| Baldwin, E; Huggins, AK; Rowe, WC | 1 |
| Kekomäki, M; Pentikäinen, P; Schwartz, AL | 1 |
| Ortíz-Pineda, J; Soberón, G; Tarrab, R | 1 |
| Hiort, U; Kating, H; Kleczkowski, K | 1 |
| Harmeyer, J; Plonait, H | 1 |
| Chen, CH; Koeppe, RE; Meghal, SK; O'Neal, RM; Reynolds, CS | 1 |
| Brunet, G; Metz, R; Salter, JM | 1 |
| Campbell, JW; Speeg, KV | 1 |
| Eckert, L; Kating, H | 1 |
| Cavallo, F; Coghe, M; Grillo, MA | 1 |
| Vellas, F | 1 |
| Stähler, F | 1 |
| Atlavin, AB; Koval'skiĭ, VV; Lekarev, VS; Lutskiĭ, DIa | 1 |
| Barrio, A; Botbol, V; Carlisky, NJ; García Argiz, CA; Lew, VL | 1 |
| Horie, Y; Inokuchi, T; Ito, T | 1 |
| Rava, R; Sborgia, C; Soscia, M | 1 |
| Naylor, AW; O'Neal, TD | 1 |
| Charbonneau, R; Roberge, A | 1 |
| Rock, GC | 1 |
| Agatov, PA; Galanina, LA | 1 |
| Soru, E; Zaharia, O | 1 |
| Eckert, L; Kating, H; Lleczkowski, K | 1 |
| Carver, MJ; Ryan, WL | 1 |
| Forster, RP; Goldstein, L; Janssens, PA | 1 |
| Balestrieri, C; Cittadini, D; De Cristofaro, D | 1 |
| Estes, FL; Wetzel, RL | 1 |
| Anders, P; Curtius, HC; Hadorn, B; Halverson, R; Hanimann, F | 1 |
| Linzell, JL; Mepham, TB | 1 |
| Zollner, H | 2 |
| Dy, M; Hamburger, J; Kamoun, P; Lebel, B; Mavier, P; Schneider, E | 1 |
| Nemethy, G; Scheraga, HA | 1 |
| Paulus, H | 1 |
| Stewart, PM; Walser, M | 1 |
| Cynober, L; Dore, A; Giboudeau, J; Vaubourdolle, M | 1 |
| Perheentupa, J; Rajantie, J; Simell, O | 1 |
| Anderson, LC; Crenshaw, JD; Lewis, AJ; Peo, ER | 2 |
| Cerra, FB; Goodman, MW; Konstantinides, FN; Zieve, L | 1 |
| Brusilow, SW | 1 |
| Carter, ND; Cohen, RD; Faus-Dader, M; Heath, R; Henderson, RM; Iles, RA; Metcalfe, H; Monson, JP; Smith, JA | 1 |
| Hommes, FA; Metoki, K | 1 |
| Aoyagi, K; Narita, M; Ohba, S; Tojo, S | 2 |
| Coude, FX; Grimber, G; Parvy, P; Rabier, D | 1 |
| Charpentier, C; Coude, FX; Coude, M; Grimber, G; Pelet, A | 1 |
| Baker, DH; Czarnecki, GL | 1 |
| Casanello-Ertl, D; Duducgian-Vartavarian, L; Jones, MR; Kopple, JD; Pardridge, WM | 1 |
| Blanding, JH; Tremblay, GC; Wendler, PA | 1 |
| Bibb, PC; Kadowaki, H; Knox, WE | 1 |
| Baby, TG; Reddy, SR | 1 |
| Holmes, FL | 1 |
| Cohen, PP | 1 |
| Lund, P | 1 |
| Phang, JM; Williams, JA | 1 |
| Derr, RF; Zieve, L | 1 |
| Guthrie, R; Naylor, EW; Sumlin, AB; Talbot, HW | 1 |
| Aoyagi, K; Ohba, S; Tojo, S | 1 |
| Kubota, K; Murakami, T; Yamashita, F; Yoshida, I; Yoshino, M | 1 |
| Ishiguro, I; Matsuzawa, T; Sugimoto, N | 1 |
| Fujinami, S; Hosoya, M; Katsunuma, T; Saheki, T | 1 |
| Indira, K; Mohanachari, V; Neeraja, P; Swami, KS | 1 |
| Robin, Y | 1 |
| Doré, JF; Quash, GA; Thomasset, N | 1 |
| Gopalakrishna, R; Nagarajan, B | 2 |
| Parks, JK; Stumpf, DA | 1 |
| Brown, J; Greenbaum, AL; McLean, P; Sochor, M | 1 |
| Smith, I | 1 |
| Ishiguro, I; Matsuzawa, T | 1 |
| Cheung, CW; Raijman, L | 1 |
| Fairand, A; Husson, A; Vaillant, R | 1 |
| Nagarajan, B; Vijaya, S | 1 |
| Collins, FG; Mitros, FA; Skibba, JL | 1 |
| Katsunuma, T; Kusumi, K; Saheki, T; Takada, S; Tsuda, M | 1 |
| Hosoya, M; Katsunuma, T; Ohnishi, N; Ozawa, A; Saheki, T; Ueda, A | 1 |
| Bazer, FW; Tou, W; Wu, G | 1 |
| Meininger, CJ; Wu, G | 1 |
| Ajami, AM; Beaumier, L; Castillo, L; Young, VR | 1 |
| Marcondes, MC; Ortolani, EL | 1 |
| Coudray-Lucas, C; Cynober, L; De Bandt, JP; Giboudeau, J; Lim, SK; Poupon, R | 1 |
| Hayase, K; Yoshida, A | 2 |
| Gross, KL; Prior, RL | 1 |
| Hartman, WJ; Prior, RL; Torre, PM | 1 |
| Elzalabany, MM; Madina, H; Morsy, MR; Ramadan, MA; Sharaf, SA; Soliman, AT | 1 |
| Hus-Citharel, A; Levillain, O; Morel, F | 1 |
| Gustafson, LA; Meijer, AJ; Romp, N; van Woerkom, GM | 1 |
| Ayuso, MS; Ciprés, G; Martín-Requero, A; Parrilla, R; Rivas, T | 1 |
| Ajami, A; Branch, S; Burke, JF; Castillo, L; Chapman, TE; Young, VR; Yu, YM | 1 |
| Ayuso, MS; Ciprés, G; González-Manchón, C; Martín-Requero, A; Parrilla, R | 1 |
| Grauffel, C; Knödgen, B; Sarhan, S; Seiler, N | 1 |
| Beliveau Carey, G; Brusilow, S; Cheung, CW; Cohen, NS; Raijman, L | 1 |
| Wu, G | 1 |
| Donati, MA; Filippi, L; Resti, M; Zammarchi, E | 1 |
| Dallaire, L; Feoli-Fonseca, JC; Lambert, M; Melançon, SB; Millington, DS; Mitchell, G; Qureshi, IA | 1 |
| Holaday, NJ; Jeevanandam, M; Petersen, SR | 1 |
| Haust, MD | 1 |
| Grossie, VB | 1 |
| Fujimura, Y; Kawamura, M | 1 |
| Hazell, SL; Mendz, GL | 1 |
| Flynn, NE; Wu, G | 1 |
| Hayase, K; Naganuma, Y; Yoshida, A | 1 |
| Jiménez, C; Lluch-Fernández, MD; Marchante-Serrano, C; Navarro-Quesada, FJ; Vaquero-Abellán, M | 1 |
| Houdijk, AP; Teerlink, T; van Lambalgen, AA; van Leeuwen, PA; Visser, JJ | 1 |
| Lobley, GE; Metcalf, MJ; Milne, E; Sarraseca, A | 1 |
| Chen, PY; Hamm, DA; Sanders, PW; Wood, PA | 1 |
| Bauer, PM; Buga, GM; Fukuto, JM; Ignarro, LJ; Wei, LH | 1 |
| Chowdhury, S; Christoffels, VM; Darlington, GJ; Iwase, K; Kimura, T; Lamers, WH; Matsuzaki, H; Mori, M; Takiguchi, M | 1 |
| Arena, ME; Manca de Nadra, MC; Saguir, FM | 1 |
| Fukushige, T; Kobayashi, K; Li, MX; Nakajima, T; Saheki, T; Seiler, N | 1 |
| Flores, E; Herrero, A; Muro-Pastor, AM; Quintero, MJ | 1 |
| Arnold, M; Bitzi, R; Colombani, PC; Frey, W; Frey-Rindova, P; Langhans, W; Wenk, C | 1 |
| Hotston-Moore, A; Lobley, GE; Milano, GD | 1 |
| Iwata, K; Kajimura, M; Sakamoto, T | 1 |
| Ash, DE; Boucher, JL; Cama, E; Christianson, DW; Colleluori, DM; Cox, JD; Mansuy, D; Pethe, S | 1 |
| Kidd, MT; Ruiz-Feria, CA; Wideman, RF | 1 |
| Ash, DE; Colleluori, DM; Morris, SM | 1 |
| Seiler, N | 1 |
| Lobley, GE; Milano, GD | 1 |
| Ebinger, F; Mayatepek, E; Rating, D; Schulze, A | 1 |
| Frick, NT; Wright, PA | 1 |
| Mills, CD | 1 |
| Kepka-Lenhart, D; Morris, SM | 1 |
| Dakshayani, KB; Subramanian, P; Velvizhi, S | 1 |
| Hayase, K; Hirano, E; Lyou, S; Sano, A; Tujioka, K; Yokogoshi, H; Yoshida, A | 1 |
| Barr, FE; Beverley, H; Cermak, E; Christian, K; Christman, B; Drinkwater, D; Dyer, K; Moore, JH; Raggio, NT; Summar, M; VanHook, K | 1 |
| Costa Rosa, LF; Lancha, AH; Mendonça, JR; Meneguello, MO | 1 |
| Aoyagi, K | 1 |
| Smriga, M; Torii, K | 1 |
| Aalto, M; Lukkarinen, M; Näntö-Salonen, K; Pulkki, K; Simell, O | 1 |
| Ballantyne, JS; Chew, SF; Hiong, KC; Ip, YK; Loong, AM; Tam, WL; Wong, WP | 1 |
| BRONK, JR; FISHER, RB | 1 |
| DAVIDSON, CS; FAST, BB; STORMONT, JM; WOLFE, SJ | 1 |
| DELLA PIETRA, G; PROCACCINI, S; ROGLIANI, C; ROGLIANI, E | 1 |
| KATING, H | 1 |
| CEDRANGOLO, F; CITTADINI, D; DE LORENZO, F; DELLA PIETRA, G; PAPA, S | 1 |
| DREL, KO | 1 |
| BRODSKY, WA; CARLISKY, NJ | 1 |
| BISHOP, SH; CAMPBELL, JW | 2 |
| BERLINGUET, L; CHARBONNEAU, R | 1 |
| KOCH, A; LWOFF, A; LWOFF, M | 1 |
| CAMPBELL, JW | 1 |
| CAMPBELL, JW; LEE, TW | 1 |
| CARACCIOLI, MD; CIMINO, F; CITTADINI, D; SALVATORE, F | 1 |
| KULHANEK, V; VOJTISKOVA, V | 1 |
| GERSHENOVITCH, ZS; KRICHEVSKAYA, AA; SHUGALEI, WS | 1 |
| LWOFF, A; LWOFF, M | 1 |
| ROGERS, S | 1 |
| DELLAPIETRA, G; DELORENZO, F; ILLIANO, G; MOLEA, G | 1 |
| Hutchinson, JH; Jolley, RL; Labby, DH | 1 |
| MARTINEZ, C | 1 |
| AMSTEY, M; BROWN, O; MCCARTY, KS; WOODSON, B | 1 |
| BRICTEUX-GREGOIRE, S; FLORKIN, M | 1 |
| GRILLO, MA | 1 |
| KAKIMOTO, M; KURAISHI, K; SHIOYA, A; TAMAMA, Y | 1 |
| CIMINO, F; CITTADINI, D; DAYELLO CARACCIOLO, M; SALVATORE, F | 1 |
| COHEN, PP; KIM, S | 1 |
| HUTCHINSON, JH; LABBY, DH | 1 |
| BAROEN, JP; CROKAERT, R | 1 |
| MARTUSCELLI, J; MORA, J; ORTIZ PINEDA, J; SOBERON, G | 1 |
| SENFT, AW | 1 |
| MCLEAN, P; NOVELLO, F | 1 |
| Cascante, M; Centelles, J; de Atauri, P; Kuchel, PW; Maher, AD; Ortega, F | 1 |
| Amarnath, V; Bernoud-Hubac, N; Boutaud, O; Oates, JA; Roberts, LJ; Zagol-Ikapitte, I | 1 |
| Baldwin, RL; Bequette, BJ; Oba, M; Owens, SL | 1 |
| Balvay, S; Levillain, O; Peyrol, S | 1 |
| Jetten, MS; Op den Camp, HJ; van der Drift, C; Van Griensven, LJ; Wagemaker, MJ; Welboren, W | 1 |
| Ball, RO; Pencharz, PB; Shoveller, AK; Urschel, KL | 1 |
| Bernier, NJ; Essex-Fraser, PA; Murray, BW; Steele, SL; Stevens, ED; Wright, PA | 1 |
| Chew, SF; Hiong, KC; Ip, YK; Lee, SM; Loong, AM; Wong, WP | 2 |
| Botbol, V; Carlisky, NJ; Lew, VL | 1 |
| Fahmy, AS; Hamdy, SM; Mohamed, SA; Mohamed, TM | 1 |
| Biswas, K; Datta, S; Kharbuli, ZY; Saha, N; Sarma, D | 1 |
| Kolb-Bachofen, V; Lerzynski, G; Suschek, CV | 1 |
| Garlick, PJ; Lee, B; Marini, JC | 1 |
| Chew, SF; Hiong, KC; Ip, YK; Lee, SJ; Lee, SM; Loong, AM; Tay, YL; Tng, YY; Wee, NL; Wilson, JM; Wong, WP | 1 |
| Bramhall, SR; Buckels, JA; Mayer, D; Mirza, DF; Murphy, N; Richards, DA; Silva, MA; Wigmore, SJ | 1 |
| Ball, RO; Pencharz, PB; Urschel, KL; Wilkinson, CW | 1 |
| Barimo, JF; Frezza, PE; Gilmour, KM; McDonald, MD; Perry, SF; Walsh, PJ | 1 |
| Chicoine, LG; English, BK; Hatch, DM; Liu, Y; Nelin, LD; Wang, X; Young, TL; Zhao, Q | 1 |
| Bhattacharjee, A; Biswas, K; Datta, S; Kharbuli, ZY; Saha, N | 1 |
| Aniskina, AI; Chalisova, NI; Zakutskiĭ, AN | 1 |
| Castillo, L; Erez, A; Lee, B; Marini, JC | 1 |
| Aniskina, AI; Chalisova, NI; Filippov, SF; Zakutskiĭ, AN; Zeziulin, PN | 1 |
| da Silva, ER; da Silva, MF; Fischer, H; Floeter-Winter, LM; Framesqui, K; Mayer, MG; Mortara, RA; Silber, AM | 1 |
| Funck, D; Koch, W; Stadelhofer, B | 1 |
| Maarsingh, H; Meurs, H; Pera, T | 1 |
| Papoutsakis, ET; Senger, RS | 1 |
| Burns, J; Huntington, GB; Magee, K; Matthews, A; Poore, M | 1 |
| Laberge, T; McDonald, MD; Walsh, PJ | 1 |
| BORSOOK, H; DUBNOFF, JW | 1 |
| Cortelezzi, L; Dondorp, AM; Omodeo-Salè, F; Scaccabarozzi, D; Vommaro, Z | 1 |
| Córdova, A; Ferrer, MD; Pérez, G; Pons, A; Sureda, A; Tur, JA | 1 |
| Demura, S; Komatsu, M; Morishita, K; Yamada, T; Yamaji, S | 1 |
| Sau, AK; Srivastava, A | 1 |
| Hayase, K; Ohsumi, M; Tujioka, K; Yokogoshi, H | 1 |
| Barilli, A; Bussolati, O; Dall'Asta, V; Gazzola, GC; Parolari, A; Rotoli, BM; Visigalli, R | 1 |
| Allen, AE; Araújo, WL; Bowler, C; Fernie, AR; Obata, T | 1 |
| Armstrong, CW; Butt, HL; Buttfield, I; Gooley, PR; McGregor, NR; Sheedy, JR | 1 |
| Goswami, UC; Rahman, M; Saha, N | 1 |
| LeMoine, CM; Walsh, PJ | 2 |
| Spasić, S; Tomić, A; Zunić, G | 1 |
| Jiao, Q; Liu, J; Liu, Q; Mao, P; Zhan, Y; Zhang, H | 1 |
| García-García, N; Hernández-Muñoz, R; Méndez-Rodríguez, ML; Olguín-Martínez, M; Quintana-Quintana, M; Ramírez-Zamora, S; Sánchez-Sevilla, L | 1 |
| Aoki, M; Morishita, K; Nishimura, A; Tagawa, Y; Tamai, M | 1 |
| Agnelli, S; Alemany, M; Arriarán, S; Fernández-López, JA; Remesar, X; Romero, Mdel M; Sabater, D | 1 |
| Banerjee, B; Bhuyan, G; Saha, N | 1 |
| Rahimi, RS; Rockey, DC | 1 |
| Rao, Z; Wang, M; Xu, M; Yang, T; Zhang, X | 1 |
| Chen, YF; Du, LP; Guo, J; Guo, XW; Huang, SY; Li, YZ; Wang, Q; Xiao, DG | 1 |
| Bottrel, N; Corum, DG; Drevets, WC; Fiehn, O; Kaddurah-Daouk, R; Motsinger-Reif, A; Rotroff, DM; Salvadore, G; Singh, J | 1 |
| Hua, Q; Liu, L; Liu, Y; Nie, X; Yang, C; Zhang, H; Zhao, GP | 1 |
| Paßlack, N; Zentek, J | 1 |
| Salway, JG | 1 |
| Blume, C; Laxa, M; Mühlenbruch, M; Ost, J; Peterhänsel, C | 1 |
| Eto, K; Funahashi, A; Furuie, S; Furukawa, T; Gao, Q; Horiuchi, M; Kadowaki, T; Kuroda, E; Moriyama, M; Nakamura, Y; Saheki, T; Setogawa, Y; Sinasac, DS; Tai, YH; Takano, K; Ushikai, M; Yamamura, KI; Yasuda, I | 1 |
| Agerer, B; Baazim, H; Bennett, KL; Bergthaler, A; Bhattacharya, A; Brunner, JS; Caldera, M; Cheng, PN; Genger, JW; Gürtl, B; Kalinke, U; Klavins, K; Kosack, L; Lercher, A; Ludewig, B; Májek, P; Menche, J; Moriggl, R; Orlova, A; Ozsvár-Kozma, M; Pikor, N; Pinter, T; Popa, AM; Reil, D; Schabbauer, G; Schlapansky, MF; Trauner, M; Vitko, D | 1 |
| Banerjee, B; Hasan, R; Koner, D; Saha, N | 1 |
| Carcamo-Noriega, E; Dunn, MF; Girard, L; Hernández, VM; Hernández-Lucas, I; Ide, AA; Medina-Aparicio, L | 1 |
| Bazer, FW; Cleere, JJ; Gilbreath, KR; Satterfield, MC; Wu, G | 1 |
| Cai, YN; Jiang, MY; Li, XZ; Lin, YT; Liu, L; Mei, HF; Peng, MZ; Shao, YX; Sheng, HY; Su, L; Yin, X | 1 |
| Azad, AK; Mulik, S; Paidipally, P; Radhakrishnan, RK; Samten, B; Schlesinger, LS; Sivangala Thandi, R; Tripathi, D; Vankayalapati, R | 1 |
| Allen, AE; Horák, A; Oborník, M | 1 |
| Jiang, B; Li, M; Qin, J; Xiong, K; Zhang, T | 1 |
| Buezo, J; Cerdán, D; Cornejo, A; Esteban, R; Gogorcena, Y; López-Gómez, P; Martínez-Merino, V; Moran, JF; Royo, B; Tavladoraki, P; Urra, M | 1 |
| Carlström, M; Cortese-Krott, MM; Grandoch, M; Guimaraes Braga, DD; Heuser, SK; Kelm, M; Leo, F; Li, J; LoBue, A; Lundberg, JO; Montero, L; Olsson, A; Pernow, J; Schmitt, JP; Schmitz, OJ; Schneckmann, R; Srivrastava, T; Suvorava, T; Weitzberg, E; Zhuge, Z | 1 |
| Cao, P; Cao, R; Cao, Y; Chi, C; Hong, M; Huang, B; Jiang, Y; Li, S | 1 |
| Castro, A; Catai, AM; De Oliveira, JM; Di Medeiros Leal, MCB; Ferreira, AG; Millan-Mattos, JC; Minatel, V; Oliveira, RV; Pantoni, CBF; Rehder-Santos, P; Signini, ÉF | 1 |
| Fang, ZZ; Li, N; Yang, X; Zhang, J; Zhang, Q; Zhang, W; Zheng, J | 1 |
22 review(s) available for urea and ornithine
| Article | Year |
|---|---|
Ammonia metabolism, urea cycle capacity and their biochemical assessment.
Topics: Amino Acids; Ammonia; Animals; Arginine; Brain; Citric Acid Cycle; Humans; Nutritional Requirements; Ornithine; Orotic Acid; Polyamines; Quaternary Ammonium Compounds; Urea | 1979 |
The urea cycle in uremia.
Topics: Animals; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Aspartic Acid; Citrulline; Humans; Kidney; Liver; Multienzyme Complexes; Muscles; Ornithine; Ornithine Carbamoyltransferase; Urea; Uremia | 1975 |
Nitrogen metabolism and ornithine cycle function.
Topics: Animals; Humans; Nitrogen; Ornithine; Urea | 1990 |
The transport of cationic amino acids across the plasma membrane of mammalian cells.
Topics: Amino Acids; Animals; Arginine; Binding Sites; Biological Transport, Active; Cations; Cell Line; Cell Membrane; Cell Membrane Permeability; Diabetes Mellitus, Experimental; Glucagon; Humans; Hydrogen-Ion Concentration; Kinetics; Liver; Liver Neoplasms, Experimental; Lysine; Mammals; Models, Biological; Ornithine; Rats; Sodium; Streptozocin; Substrate Specificity; Urea | 1985 |
Inborn defects of the mitochondrial portion of the urea cycle.
Topics: Acetyltransferases; Amino-Acid N-Acetyltransferase; Animals; Biological Transport, Active; Carbamoyl-Phosphate Synthase (Ammonia); Humans; Metabolism, Inborn Errors; Mitochondria; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1986 |
Regulation of the urea cycle and TCA cycle by ammonia.
Topics: Alanine Transaminase; Amino Acids; Ammonia; Amobarbital; Animals; Aspartate Aminotransferases; Aspartic Acid; Carbon Isotopes; Citrates; Citric Acid Cycle; Cytoplasm; Diabetes Mellitus, Experimental; Dietary Proteins; Glutamates; Hydrocortisone; In Vitro Techniques; Isoenzymes; Ketoglutaric Acids; Liver; Mice; Mitochondria, Liver; N-Glycosyl Hydrolases; Niacinamide; Nucleotides; Ornithine; Oxidoreductases; Oxygen Consumption; Pyrophosphatases; Pyruvates; Rats; Transaminases; Urea | 1966 |
Enzymes of arginine and urea synthesis.
Topics: Aging; Amino Acid Metabolism, Inborn Errors; Animals; Arginase; Arginine; Binding Sites; Carbamates; Dietary Proteins; Humans; Kinetics; Liver; Lyases; Organ Specificity; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Species Specificity; Succinates; Urea | 1973 |
[Regulatory conditions for urea biosynthesis--from the standpoint of organ level].
Topics: Amino Acids; Ammonia; Animals; Arginine; Aspartic Acid; Glutamates; Glutamine; In Vitro Techniques; Liver; Nitrogen; Nutritional Physiological Phenomena; Ornithine; Perfusion; Rats; Urea | 1972 |
[Synthesis of urea in the cerebral tissue].
Topics: Animals; Arginine; Brain; Citrulline; Humans; Ornithine; Urea | 1969 |
[Hereditary enzyme defects of the urea cycle].
Topics: Adult; Ammonia; Arginase; Arginine; Child; Child, Preschool; Citrulline; Enzymes; Female; Humans; Infant; Infant, Newborn; Ligases; Lyases; Male; Metabolism, Inborn Errors; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Succinates; Transaminases; Urea | 1971 |
The evolutionary history of the ornithine cycle as a determinant of its structure and regulation.
Topics: Arginine; Bacillus subtilis; Biological Evolution; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Chemical Phenomena; Chemistry, Physical; Escherichia coli; Fungi; Neurospora crassa; Ornithine; Saccharomyces cerevisiae; Urea | 1983 |
The ornithine-urea cycle: biosynthesis and regulation of carbamyl phosphate synthetase I and ornithine transcarbamylase.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Dietary Proteins; Glutamates; Kinetics; Ligases; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Urea | 1981 |
Some regulatory aspects of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Carbamyl Phosphate; Citric Acid Cycle; Dietary Proteins; Female; Glutamates; Humans; Male; Ornithine; Proteins; Urea | 1981 |
Regulation of ornithine metabolism.
Topics: Ammonia; Animals; Biological Transport; Citrulline; Cytosol; Fibroblasts; Humans; Mitochondria; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Urea | 1981 |
Ornithine aminotransferase, a potential target for the treatment of hyperammonemias.
Topics: Ammonia; Animals; Biogenic Polyamines; Brain; Chorioretinitis; Enzyme Inhibitors; Humans; Hyperammonemia; Kidney; Liver; Mice; Ornithine; Ornithine-Oxo-Acid Transaminase; Thioacetamide; Urea | 2000 |
Macrophage arginine metabolism to ornithine/urea or nitric oxide/citrulline: a life or death issue.
Topics: Animals; Arginase; Arginine; Cell Death; Cell Survival; Citrulline; Humans; Lymphocytes; Macrophages; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Ornithine; Urea | 2001 |
SHOPE PAPILLOMA VIRUS: CONCERNING ITS RELATION TO CELL DIVISION.
Topics: Animals; Arginase; Arginine; Cell Division; Cottontail rabbit papillomavirus; DNA; DNA, Viral; Genetics; Ornithine; Papilloma; Papillomaviridae; Polyomavirus; Proteins; Rabbits; Research; Serine; Tumor Virus Infections; Urea | 1964 |
Arginase and pulmonary diseases.
Topics: Animals; Arginase; Arginine; Asthma; Cystic Fibrosis; Disease Models, Animal; Humans; Hypertension, Pulmonary; Lung; Lung Diseases; Nitric Oxide; Nitric Oxide Synthase; Ornithine; Pulmonary Disease, Chronic Obstructive; Pulmonary Fibrosis; Urea | 2008 |
Leveraging metabolomics for functional investigations in sequenced marine diatoms.
Topics: Adaptation, Biological; Biological Evolution; Diatoms; Gene Transfer, Horizontal; Genome; Iron; Metabolic Networks and Pathways; Metabolomics; Ornithine; Symbiosis; Urea | 2012 |
Evolution of urea transporters in vertebrates: adaptation to urea's multiple roles and metabolic sources.
Topics: Adaptation, Physiological; Animals; Biological Evolution; Membrane Transport Proteins; Metabolic Networks and Pathways; Organ Specificity; Ornithine; Phylogeny; Urea; Urea Transporters; Vertebrates | 2015 |
Novel Ammonia-Lowering Agents for Hepatic Encephalopathy.
Topics: Ammonia; Carbon; Gastrointestinal Agents; Glycerol; Hepatic Encephalopathy; Humans; Ornithine; Oxides; Phenylbutyrates; Polyethylene Glycols; Urea | 2015 |
Review of arginase as a promising biocatalyst: characteristics, preparation, applications and future challenges.
Topics: Amino Acids; Arginase; Arginine; Ornithine; Urea | 2022 |
10 trial(s) available for urea and ornithine
| Article | Year |
|---|---|
Evidence for functional immaturity of the ornithine-urea cycle in very-low-birth-weight infants.
Topics: Birth Weight; Clinical Trials as Topic; Dietary Proteins; Food, Fortified; Gestational Age; Humans; Infant, Low Birth Weight; Infant, Newborn; Milk, Human; Ornithine; Prospective Studies; Random Allocation; Urea | 1988 |
Ornithine-alpha-ketoglutarate improves skeletal muscle protein synthesis as assessed by ribosome analysis and nitrogen use after surgery.
Topics: Cholecystectomy; Clinical Trials as Topic; Female; Humans; Male; Middle Aged; Muscle Proteins; Muscles; Nitrogen; Ornithine; Parenteral Nutrition, Total; Polyribosomes; Postoperative Period; Random Allocation; Ribosomes; Urea | 1987 |
Evaluation of modified R-B system for identification of members of the family Enterobacteriaceae.
Topics: Bacteriological Techniques; Carboxy-Lyases; Citrates; Clinical Trials as Topic; Culture Media; Enterobacteriaceae; Evaluation Studies as Topic; Fermentation; Gases; Glucose; Hydrogen Sulfide; Indoles; Lactose; Lysine; Ornithine; Urea | 1972 |
Renal handling of diamino acids in lysinuric protein intolerance.
Topics: Adolescent; Adult; Amino Acids, Diamino; Arginine; Child; Child, Preschool; Clinical Trials as Topic; Dietary Proteins; Fasting; Female; Genes, Recessive; Glomerular Filtration Rate; Humans; Infant; Kidney Tubules; Lysine; Male; Ornithine; Renal Aminoacidurias; Urea | 1974 |
Urea cycle intermediate kinetics and nitrate excretion at normal and "therapeutic" intakes of arginine in humans.
Topics: Adult; Arginine; Diet; Dose-Response Relationship, Drug; Humans; Kinetics; Male; Nitrates; Ornithine; Reference Values; Urea | 1995 |
Chronic sodium benzoate therapy in children with inborn errors of urea synthesis: effect on carnitine metabolism and ammonia nitrogen removal.
Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Benzoates; Benzoic Acid; Carnitine; Child; Child, Preschool; Female; Humans; Male; Nitrogen; Ornithine; Retrospective Studies; Syndrome; Urea | 1996 |
Chronic arginine aspartate supplementation in runners reduces total plasma amino acid level at rest and during a marathon run.
Topics: 3-Hydroxybutyric Acid; Adult; Amino Acids; Ammonia; Arginine; Aspartic Acid; Carbohydrates; Creatine Kinase; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Fatty Acids; Glucagon; Glycerol; Human Growth Hormone; Humans; Hydrocortisone; Insulin; L-Lactate Dehydrogenase; Male; Ornithine; Respiratory Function Tests; Running; Urea | 1999 |
L-citrulline-malate influence over branched chain amino acid utilization during exercise.
Topics: Administration, Oral; Amino Acids, Branched-Chain; Arginine; Bicycling; Biomarkers; Citrulline; Creatinine; Dietary Proteins; Dietary Supplements; Double-Blind Method; Exercise; Human Growth Hormone; Humans; Insulin; Malates; Male; Muscle, Skeletal; Nitrites; Ornithine; Time Factors; Urea; Young Adult | 2010 |
The effect of L-ornithine hydrochloride ingestion on performance during incremental exhaustive ergometer bicycle exercise and ammonia metabolism during and after exercise.
Topics: Ammonia; Athletes; Athletic Performance; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Exercise; Exercise Test; Glutamic Acid; Heart Rate; Humans; Lactic Acid; Male; Muscle Fatigue; Ornithine; Oxygen Consumption; Physical Endurance; Time Factors; Urea; Young Adult | 2010 |
Ruminal microbes of adult sheep do not degrade extracellular l-citrulline.
Topics: Ammonia; Animal Feed; Animals; Arginine; Bacteria; Citrulline; Diet; Dietary Supplements; Female; Glutamic Acid; Glutamine; Ornithine; Proline; Rumen; Sheep; Urea | 2020 |
389 other study(ies) available for urea and ornithine
| Article | Year |
|---|---|
[Determination of the activity of serum ornithine carbamoyltranferase : working conditions in a veronal-acetate medium].
Topics: Barbital; Barbiturates; Buffers; Carbamyl Phosphate; Citrulline; Humans; Hydrogen-Ion Concentration; Kinetics; Methods; Ornithine; Ornithine Carbamoyltransferase; Urea; Urease | 1975 |
Urea transport-defective strains of Saccharomyces cerevisiae.
Topics: Acetamides; Allantoin; Ammonia; Biological Transport, Active; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Cyanides; Cycloheximide; Dinitrophenols; Formamides; Glycolates; Hydrogen-Ion Concentration; Mutation; Ornithine; Saccharomyces cerevisiae; Urea | 1976 |
Studies on functional and metabolic role of urea cycle intermediates in brain.
Topics: Amidinotransferases; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Brain Stem; Cerebellum; Cerebral Cortex; Citrulline; Creatine Kinase; Enzyme Induction; Glutamate-Ammonia Ligase; Ornithine; Ornithine-Oxo-Acid Transaminase; Rats; Urea | 1976 |
Effects of arginine infusion in infants: increased urea synthesis associated with unchanged ammonia blood levels.
Topics: Ammonia; Arginine; Bicarbonates; Child; Humans; Hydrogen-Ion Concentration; Infant; Infant, Newborn; Ornithine; Urea | 1976 |
Proceedings: Krebs-Henseleit urea cycle in cultured human diploid fibroblasts.
Topics: Arginase; Arginine; Chromatography, Ion Exchange; Citrulline; Diploidy; Fibroblasts; Humans; Hydrogen-Ion Concentration; Hydrolases; Isoenzymes; Kinetics; Manganese; Mycoplasma; Ornithine; Urea | 1975 |
Amino acids of the Krebs-Henseleit cycle of median and lateral lobes in human benign prostatic hypertrophy.
Topics: Amino Acids; Arginine; Citrulline; Humans; Male; Ornithine; Prostate; Prostatic Hyperplasia; Proteins; Urea | 1978 |
Arginine catabolism in Aphanocapsa 6308.
Topics: Adenosine Triphosphate; Aerobiosis; Ammonia; Arginase; Arginine; Carbon Dioxide; Citrulline; Cyanobacteria; Hydrolases; Ornithine; Urea; Urease | 1978 |
Mobilization of sequestered metabolities into degradative reactions by nutritional stress in Neurospora.
Topics: Arginase; Arginine; Carbon; Culture Media; Neurospora; Neurospora crassa; Nitrogen; Ornithine; Ornithine-Oxo-Acid Transaminase; Purines; Urea | 1979 |
Inhibition of urea synthesis by 4-pentenoic acid.
Topics: Ammonia; Animals; Aspartic Acid; Citrulline; Fatty Acids, Monounsaturated; Fatty Acids, Unsaturated; Glutamates; Liver; Ornithine; Phosphotransferases; Rats; Transferases; Urea; Valerates | 1975 |
The regulation of carbamoyl phosphate synthase activity in rat liver mitochondria.
Topics: Ammonium Chloride; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carbamyl Phosphate; Citrulline; Dietary Proteins; Glutamates; In Vitro Techniques; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Rats; Urea | 1976 |
Increased de novo pyrimidine nucleotide synthesis in liver induced by ammonium ions in amounts surpassing the urea cycle capacity.
Topics: Animals; Azauridine; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Carcinoma, Hepatocellular; Cytosine Nucleotides; Dose-Response Relationship, Drug; Female; Liver; Liver Neoplasms; Mitochondria, Liver; Models, Biological; Ornithine; Orotic Acid; Pyrimidine Nucleotides; Quaternary Ammonium Compounds; Rats; Uracil Nucleotides; Urea; Uridine Diphosphate Glucose | 1977 |
Analysis of regulatory factors for urea synthesis by isolated perfused rat liver. I. Urea synthesis with ammonia and glutamine as nitrogen sources.
Topics: Ammonium Chloride; Animals; Aspartic Acid; Citrulline; Glutamates; Glutamine; Hydrogen-Ion Concentration; In Vitro Techniques; Liver; Malates; Male; Nitrogen; Ornithine; Rats; Stimulation, Chemical; Urea | 1975 |
Non-protein amino acid-insect interactions-II. Effects of canaline-urea cycle amino acids on growth and development of the tobacco hornworm, Manduca sexta L. (Sphingidae).
Topics: Amino Acids; Aminobutyrates; Animals; Canavanine; Larva; Lepidoptera; Metamorphosis, Biological; Moths; Ornithine; Urea | 1975 |
[Urea cycle and purinolysis in the embryos and pregnant females of the teleost fish Poecilia reticulata].
Topics: Animals; Embryo, Nonmammalian; Female; Fishes; Liver; Muscles; Ornithine; Pregnancy; Purines; Urea | 1977 |
Ammonia metabolism in the rat liver in biliary obstruction.
Topics: Adenosine Triphosphate; Ammonia; Animals; Arginine; Cholestasis; In Vitro Techniques; Liver; Male; Ornithine; Rats; Urea | 1979 |
The effect of dietary o,p'-DDT on ureagenesis from ammonia by isolated rat hepatocytes.
Topics: Ammonia; Animals; Citrulline; DDT; In Vitro Techniques; Lactates; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Urea | 1979 |
Regulation of ornithine metabolism in rat liver, with special reference to activation of the urea cycle.
Topics: Animals; Biological Transport; Citrulline; Liver; Male; Ornithine; Rats; Urea | 1979 |
Effect of the transition-state analogue, delta-N-(phosphonacetyl)-L-ornithine on citrulline synthesis in isolated rat-liver mitochondria and on urea synthesis in isolated rat hepatocytes.
Topics: Animals; Bicarbonates; Citrulline; Female; In Vitro Techniques; Kinetics; Liver; Mitochondria, Liver; Organophosphorus Compounds; Ornithine; Ornithine Carbamoyltransferase; Phosphonoacetic Acid; Rats; Urea | 1979 |
The relationship of plasma arginine and kidney arginase activity to arginine degradation in chickens.
Topics: Animals; Arginase; Arginine; Chickens; Female; Kidney; Lysine; Ornithine; Time Factors; Urea | 1979 |
Effects of branched chain alpha-ketoacids on the metabolism of isolated rat liver cells. II. Interactions with gluconeogenesis and urea synthesis.
Topics: Alanine; Ammonia; Animals; Gluconeogenesis; Humans; In Vitro Techniques; Keto Acids; Ketone Bodies; Kinetics; Lactates; Liver; Oleic Acids; Ornithine; Rats; Structure-Activity Relationship; Urea | 1979 |
Urea cycle operation in the arginine deficient rat.
Topics: Ammonia; Animals; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Citrulline; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Rats; Urea | 1979 |
Interrelationships between gluconeogenesis and ureogenesis in isolated hepatocytes.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Cycloserine; Gluconeogenesis; In Vitro Techniques; Kinetics; Liver; Male; Mitochondria, Liver; Ornithine; Pyruvates; Rats; Urea | 1978 |
Amino acid induced orotic aciduria.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Arginine; Fasting; Male; Ornithine; Orotic Acid; Quaternary Ammonium Compounds; Rats; Urea; Urease | 1978 |
Interrelations between ureogenesis and gluconeogenesis in isolated hepatocytes. The role of antion transport and the competition for energy.
Topics: Alanine; Ammonium Chloride; Animals; Aspartic Acid; Biological Transport; Energy Metabolism; Ethanol; Fatty Acids; Gluconeogenesis; In Vitro Techniques; Ketoglutaric Acids; Lactates; Liver; Malates; Male; Ornithine; Pyruvates; Rats; Urea | 1978 |
Plasma arginine and ornithine levels and selected enzyme activities in uremic rats fed various amounts of arginine.
Topics: Amidinotransferases; Animals; Arginine; Diet; Female; Kidney; Liver; Lysine; Ornithine; Rats; Urea; Uremia | 1978 |
[Arginine metabolism in Citrobacter].
Topics: Agmatine; Arginase; Arginine; Carboxy-Lyases; Citrobacter; Enterobacteriaceae; Ornithine; Ornithine Decarboxylase; Urea; Urease; Ureohydrolases | 1978 |
Metabolism of urea cycle intermediates in chronic renal failure.
Topics: Amino Acids; Animals; Arginine; Argininosuccinate Synthase; Citrulline; Guanidines; Kidney; Kidney Failure, Chronic; Ornithine; Ornithine-Oxo-Acid Transaminase; Polyamines; Protein Biosynthesis; Rats; Urea; Uremia | 1978 |
Regulation of urea synthesis in rat liver. Increase in the concentrations of ornithine and acetylglutamate in rat liver in response to urea synthesis stimulated by the injection of an ammonium salt.
Topics: Ammonia; Animals; Citrulline; Glutamates; Kinetics; Liver; Male; Ornithine; Quaternary Ammonium Compounds; Rats; Urea | 1978 |
Lysine in treatment of hyperornithinemia.
Topics: Arginine; Atrophy; Child, Preschool; Choroid; Dietary Proteins; Female; Glomerular Filtration Rate; Humans; Lysine; Nitrogen; Ornithine; Retina; Urea | 1978 |
Basic amino acid inhibition of growth in Saccharomyces cerevisiae.
Topics: Amino Acids; Arginine; Cell Division; Lysine; Mutation; Ornithine; Ornithine-Oxo-Acid Transaminase; Phenotype; Saccharomyces cerevisiae; Species Specificity; Urea | 1976 |
Sources of ammonia for urea synthesis in isolated rat liver cells.
Topics: Alanine; Aminooxyacetic Acid; Ammonium Chloride; Animals; Asparagine; Glucose; Glutamine; Glycine; Lactates; Leucine; Liver; Ornithine; Rats; Urea; Valine | 1977 |
The occurrence and seasonal variation of gigartinine and L-citrullinyl-L-arginine in Chondrus crispus Stackh.
Topics: Amino Acids; Arginine; Citrulline; Dipeptides; Magnetic Resonance Spectroscopy; Ornithine; Rhodophyta; Seasons; Urea | 1977 |
Effect of dietary protein level on urea synthesis in isolated rat hepatocytes.
Topics: Animals; Argininosuccinate Synthase; Caseins; Dietary Proteins; DNA; Dose-Response Relationship, Drug; Lactates; Liver; Male; Ornithine; Rats; Starvation; Urea | 1977 |
Effect of supplementation of methionine and threonine to a protein free diet on urinary excretion of nitrogen and tissue free amino acids in rats.
Topics: Amino Acids; Ammonia; Animals; Drug Synergism; Female; Food, Fortified; Intestinal Mucosa; Liver; Male; Methionine; Muscles; Nitrogen; Ornithine; Protein Deficiency; Rats; Threonine; Urea | 1977 |
Nitrogen metabolism in neonatal citrullinaemia.
Topics: Amino Acid Metabolism, Inborn Errors; Arginine; Citrulline; Humans; Infant, Newborn; Infant, Newborn, Diseases; Male; Nitrogen; Ornithine; Urea | 1977 |
The effect of glucagon on ureagenesis from ammonia by isolated rat hepatocytes.
Topics: Ammonia; Animals; Citrulline; Glucagon; In Vitro Techniques; Kinetics; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Urea | 1977 |
Potential hazard of therapy for Reye's syndrome with urea cycle intermediates.
Topics: Ammonia; Humans; Ornithine; Orotic Acid; Reye Syndrome; Urea | 1977 |
Regulation of urea synthesis in rat liver. Changes of ornithine and acetylglutamate concentrations in the livers of rats subjected to dietary transitions.
Topics: Amino Acids; Animals; Argininosuccinate Synthase; Dietary Proteins; Glutamates; Liver; Male; Ornithine; Perfusion; Rats; Urea | 1977 |
[Influence of ornithin-alpha-ketoglutaric acid on fatmetabolism in patients with cirrhosis of the liver (author's transl)].
Topics: Ammonia; Biotransformation; Cholesterol; Citric Acid Cycle; Endotoxins; Fatty Acids, Nonesterified; Humans; Hydroxybutyrates; Hypertension, Portal; Ketoglutaric Acids; Lipid Metabolism; Liver Cirrhosis; Ornithine; Phenols; Triglycerides; Urea | 1976 |
Cerebrospinal fluid and plasma glutamine elevation by anticonvulsant drugs: a potential diagnostic and therapeutic trap.
Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Arginine; Child; Child, Preschool; Citrulline; Epilepsy; False Positive Reactions; Female; Glutamine; Humans; Infant; Male; Middle Aged; Ornithine; Phenobarbital; Primidone; Urea | 1976 |
Compartmentation and control of arginine metabolism in Neurospora.
Topics: Arginine; Carbon Dioxide; Cytosol; Fungal Proteins; Mutation; Neurospora; Ornithine; Urea | 1976 |
Congenital hyperammonemic syndromes.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Diagnosis, Differential; Humans; Hyperargininemia; Infant, Newborn; Infant, Newborn, Diseases; Lysine; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Syndrome; Urea | 1976 |
A rapid method for quantitative separation of urea cycle intermediates.
Topics: Animals; Arginine; Chromatography, Ion Exchange; Citrulline; Ornithine; Urea | 1976 |
Effect of ornithine and lactate on urea synthesis in isolated hepatocytes.
Topics: Ammonia; Animals; Butyrates; Citrulline; In Vitro Techniques; Kinetics; Lactates; Liver; Male; Oleic Acids; Ornithine; Pyruvates; Rats; Starvation; Stimulation, Chemical; Urea | 1976 |
[Biochemical mechanisms of action of catalyzers of ureogenesis and their use in human therapy].
Topics: Ammonia; Arginine; Catalysis; Humans; Inactivation, Metabolic; Ketoglutaric Acids; Liver Diseases; Ornithine; Urea | 1976 |
Protein synthesis in the hepatocyte.
Topics: Albumins; Animals; Arginine; Carbon Radioisotopes; Cell Aggregation; DNA; Ethanol; Fasting; Liver; Lysine; Ornithine; Perfusion; Phenylalanine; Polyribosomes; Rabbits; RNA, Ribosomal; Serum Albumin; Tritium; Tryptophan; Urea | 1975 |
N-Acetylglutamate synthase of Escherichia coli regulation of synthesis and activity by arginine.
Topics: Acetyl Coenzyme A; Acetyltransferases; Arginine; Culture Media; Enzyme Repression; Escherichia coli; Glutamates; Kinetics; Ornithine; Urea | 1975 |
Possible interactions between the urea cycle and synthesis of pyrimidines and polyamines in regenerating liver.
Topics: Adrenalectomy; Ammonia; Animals; Bicarbonates; Carbon Radioisotopes; Carboxy-Lyases; Hepatectomy; Liver; Liver Regeneration; Male; Ornithine; Orotic Acid; Polyamines; Pyrimidines; Rats; Urea; Urease | 1975 |
Nitrogen metabolism in the perfused cirrhotic liver of the rat.
Topics: Alanine; Ammonia; Animals; Diet; Ethanol; Glucose; Glutamates; Glutamine; Liver; Liver Cirrhosis, Experimental; Male; Nitrogen; Organ Size; Ornithine; Perfusion; Rats; Urea | 1975 |
Studies on urea cycle enzymes in rat liver during acute uraemia.
Topics: Acute Disease; Animals; Disease Models, Animal; Female; Liver; Ornithine; Rats; Transaminases; Urea; Uremia | 1975 |
Familial hyperargininaemia.
Topics: Amino Acids; Ammonia; Arginine; Athetosis; Child, Preschool; Chromatography; Cystinuria; Dietary Proteins; Erythrocytes; Female; Guanidines; Humans; Hyperargininemia; Infant; Infant, Newborn; Intellectual Disability; Metabolism, Inborn Errors; Muscle Spasticity; Ornithine; Umbilical Cord; Urea | 1975 |
Urinary metabolites characteristic of urea-cycle amino acid deficiency.
Topics: Amino Acids; Amino Acids, Essential; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Arginine; Biotransformation; Body Weight; Carbamyl Phosphate; Citrates; Citrulline; Deficiency Diseases; Diet; Male; Nitrogen; Ornithine; Orotic Acid; Pyrimidines; Rats; Urea | 1975 |
Absence of ureogenic pathways in liver of the hagfish Bdellostoma cirrhatum.
Topics: Allantoin; Amidohydrolases; Ammonia; Animals; Arginase; Fasting; Fishes; Hagfishes; Liver; Ornithine; Purines; Urate Oxidase; Urea; Ureohydrolases | 1975 |
Analysis of regulatory factors for urea synthesis by isolated perfused rat liver. II. Comparison of urea synthesis in livers of rats subjected to different dietary conditions.
Topics: Amino Acids; Ammonium Chloride; Animals; Diet; Dietary Proteins; Glutamates; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Rats; Urea | 1975 |
Lysinuric protein intolerance.
Topics: Adolescent; Adult; Alanine; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginine; Birth Weight; Child; Child, Preschool; Dietary Proteins; Eye Diseases; Female; Humans; Infant; Intellectual Disability; Intestinal Absorption; Liver; Lysine; Male; Nitrogen; Ornithine; Proteins; Renal Aminoacidurias; Urea | 1975 |
The accumulation of aspartate in the presence of ethanol in rat liver.
Topics: Alanine; Ammonia; Ammonium Chloride; Animals; Aspartic Acid; Cytosol; Ethanol; Female; Gluconeogenesis; Glutamates; Ketoglutaric Acids; Lactates; Liver; Mitochondria, Liver; Ornithine; Rats; Urea | 1975 |
[Chronic hyperammonemia with orotic aciduria: evidence of pyrimidine pathway stimulation (author's transl)].
Topics: Alanine; Amino Acids; Ammonia; Child, Preschool; Dietary Proteins; Erythrocytes; Growth Disorders; Humans; Intellectual Disability; Leukocytes; Ornithine; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Orotate Phosphoribosyltransferase; Orotic Acid; Orotidine-5'-Phosphate Decarboxylase; Purine-Pyrimidine Metabolism, Inborn Errors; Pyrimidines; Seizures; Syndrome; Urea | 1975 |
On the mechanism of stimulation of ureagenesis by gluconeogenic substrates: role of pyruvate carboxylase.
Topics: Ammonium Chloride; Animals; Gluconeogenesis; In Vitro Techniques; Lactates; Lactic Acid; Male; Ornithine; Osmolar Concentration; Pyruvate Carboxylase; Pyruvates; Pyruvic Acid; Rats; Rats, Wistar; Substrate Specificity; Urea | 1992 |
Localization of urea and ornithine production along mouse and rabbit nephrons: functional significance.
Topics: Animals; Arginine; In Vitro Techniques; Kidney Tubules, Collecting; Kidney Tubules, Distal; Kidney Tubules, Proximal; Loop of Henle; Mice; Nephrons; Ornithine; Osmolar Concentration; Rabbits; Tissue Distribution; Urea | 1992 |
Glycine, a new regulator of glutamine metabolism in isolated rat-liver cells.
Topics: Ammonia; Ammonium Chloride; Animals; Carbon Dioxide; Dose-Response Relationship, Drug; Glucose; Glutaminase; Glutamine; Glycine; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Rats, Wistar; Urea | 1992 |
Plasma urea and ammonia in epileptic patients and their relatives.
Topics: Adolescent; Adult; Amino Acids; Ammonia; Child; Citrulline; Epilepsy; Family; Female; Humans; Male; Middle Aged; Ornithine; Urea | 1992 |
Changes in liver concentration of N-acetylglutamate and ornithine are involved in regulating urea synthesis in rats treated with thyroid hormone.
Topics: Animals; Body Weight; Glutamates; Liver; Male; Organ Size; Ornithine; Ornithine Decarboxylase; Ornithine-Oxo-Acid Transaminase; Rats; Rats, Inbred Strains; Thyroid Hormones; Urea | 1992 |
Effect of prostaglandin F2 alpha on urea synthesis and hepatic hemodynamics.
Topics: Ammonia; Animals; Dinoprost; In Vitro Techniques; Liver; Liver Circulation; Male; Ornithine; Rats; Urea | 1991 |
Metabolic and secretory response of parotid cells to cationic amino acids. Uptake and catabolism of L-arginine and L-ornithine.
Topics: Amylases; Animals; Arginine; Citrulline; Female; Glutamates; Glutamic Acid; Ketoglutaric Acids; NADP; Ornithine; Oxidation-Reduction; Parotid Gland; Rats; Transglutaminases; Urea | 1991 |
Ureogenesis in a freshwater teleost: an unusual sub-cellular localization of ornithine-urea cycle enzymes in the freshwater air-breathing teleost Heteropneustes fossilis.
Topics: Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Fishes; Mitochondria; Ornithine; Ornithine Carbamoyltransferase; Urea | 1991 |
Stimulation of L-ornithine uptake and L-citrulline and urea biosynthesis by D-arginine.
Topics: Adenosine Triphosphate; Animals; Arginine; Citrulline; Edetic Acid; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Rats, Inbred Strains; Spectrometry, Fluorescence; Urea | 1991 |
Arginine metabolism in rat enterocytes.
Topics: Animals; Arginine; Citrulline; Female; Intestinal Mucosa; Ornithine; Oxidation-Reduction; Putrescine; Rats; Rats, Inbred Strains; Spermidine; Spermine; Urea | 1991 |
Effect of prostaglandin E2 on urea synthesis and hepatic hemodynamics in rat livers. An in vivo/in vitro study.
Topics: Ammonia; Animals; Blood Pressure; Dinoprostone; In Vitro Techniques; Liver; Liver Circulation; Ornithine; Oxygen; Portal Vein; Rats; Rats, Inbred Strains; Urea | 1990 |
Nitrogen metabolism and somatotropin secretion in lambs receiving arginine and ornithine via abomasal infusion.
Topics: Amino Acids; Animals; Arginine; Blood Urea Nitrogen; Citrulline; Dietary Proteins; Enteral Nutrition; Growth Hormone; Least-Squares Analysis; Male; Nitrogen; Ornithine; Random Allocation; Sheep; Urea | 1990 |
Evidence that an immunosuppressive protein from murine liver is arginase.
Topics: Animals; Arginase; Arginine; Chromatography, Affinity; Chromatography, High Pressure Liquid; Humans; Liver; Lymphocyte Activation; Mice; Mice, Inbred ICR; Ornithine; Phytohemagglutinins; Proteins; Urea | 1990 |
Effect of the short-chain fatty acids on the ornithine cycle and hemodynamics in the liver.
Topics: Animals; Fatty Acids; Fatty Acids, Volatile; Liver; Liver Circulation; Male; Ornithine; Rats; Rats, Inbred Strains; Urea | 1990 |
Episodic hyperammonemia in adult siblings with hyperornithinemia, hyperammonemia, and homocitrullinuria syndrome.
Topics: Adult; Ammonia; Citrulline; Female; Fibroblasts; Glutamine; Humans; Leucine; Male; Metabolism, Inborn Errors; Ornithine; Phenylbutyrates; Recurrence; Syndrome; Urea | 1990 |
Effect of propionate on the utilization of nitrogen from 15NH4Cl for urea synthesis in hepatocytes isolated from sheep liver.
Topics: Ammonium Chloride; Animals; Female; Liver; Nitrogen; Ornithine; Propionates; Sheep; Urea | 1990 |
Temporal expression of different pathways of 1-arginine metabolism in healing wounds.
Topics: Animals; Arginase; Arginine; Cells, Cultured; Citrulline; Hydrolases; In Vitro Techniques; Macrophages; Male; Neutrophils; Nitrites; Ornithine; Rats; Urea; Wound Healing | 1990 |
Changes in urea cycle-related metabolites in the mouse after combined administration of valproic acid and an amino acid load.
Topics: Amino Acids; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Citrulline; Glutamates; Glutamine; Liver; Mice; Ornithine; Urea; Valproic Acid | 1989 |
Ornithine aminotransferase activity, liver ornithine concentration and acute ammonia intoxication.
Topics: Acetates; Administration, Oral; Ammonia; Animals; Arginine; Creatinine; Eflornithine; Female; Injections, Intraperitoneal; Liver; Mice; Ornithine; Ornithine-Oxo-Acid Transaminase; Orotic Acid; Transaminases; Urea | 1989 |
Stimulus-secretion coupling of arginine-induced insulin release: metabolism of L-arginine and L-ornithine in tumoral islet cells.
Topics: Adenoma, Islet Cell; Animals; Arginase; Arginine; Biogenic Amines; Insulin; Insulin Secretion; Islets of Langerhans; Neoplasm Proteins; Ornithine; Ornithine Decarboxylase; Ornithine-Oxo-Acid Transaminase; Oxidation-Reduction; Pancreatic Neoplasms; Rats; Stimulation, Chemical; Tumor Cells, Cultured; Urea | 1989 |
The role of amino acids and their transport systems in the regulation of ureogenesis in the primary culture of adult rat hepatocytes.
Topics: Amino Acids; Ammonium Chloride; Animals; Cells, Cultured; Liver; Male; Ornithine; Rats; Rats, Inbred Strains; Urea | 1989 |
Altered ornithine metabolism in tumor-bearing mice.
Topics: Animals; Arginase; Arginine; Ascitic Fluid; Carcinoma, Ehrlich Tumor; Female; Liver; Mice; Neoplasm Transplantation; Ornithine; Ornithine Decarboxylase; Urea | 1989 |
Stimulus-secretion coupling of arginine-induced insulin release. Metabolism of L-arginine and L-ornithine in pancreatic islets.
Topics: Animals; Arginase; Arginine; Glucose; Glutamates; Insulin; Islets of Langerhans; Models, Biological; Ornithine; Oxidation-Reduction; Polyamines; Rats; Urea | 1989 |
Submitochondrial localization of arginase and other enzymes associated with urea synthesis and nitrogen metabolism, in liver of Squalus acanthias.
Topics: Animals; Arginase; Arginine; Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Cell Fractionation; Citrulline; Dogfish; Glutamate-Ammonia Ligase; Kinetics; Microscopy, Electron; Mitochondria, Liver; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Submitochondrial Particles; Urea | 1985 |
Inhibition of ureogenesis in isolated rat liver cells by a non-steroidal anti-inflammatory drug (butibufen).
Topics: Adenosine Triphosphate; Ammonium Chloride; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Glutamates; Glutamic Acid; Ligases; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Oxidative Phosphorylation; Oxygen Consumption; Phenylbutyrates; Rats; Rats, Inbred Strains; Urea | 1986 |
Urea excretion as a strategy for survival in a fish living in a very alkaline environment.
Topics: Acclimatization; Animals; Fishes; Hydrogen-Ion Concentration; Liver; Ornithine; Species Specificity; Urea | 1989 |
Channeling of urea cycle intermediates in situ in permeabilized hepatocytes.
Topics: Ammonia; Animals; Aspartic Acid; Bicarbonates; Cell Membrane Permeability; Liver; Ornithine; Rats; Urea | 1989 |
Biosynthesis of hippurate, urea and pyrimidines in the fatty liver: studies with rats fed orotic acid or a diet deficient in choline and inositol, and with genetically obese (Zucker) rats.
Topics: Ammonium Chloride; Animals; Benzoates; Choline Deficiency; Diet; Fatty Liver; Gluconeogenesis; Hippurates; Inositol; Liver; Obesity; Ornithine; Orotic Acid; Pyrimidines; Rats; Rats, Inbred Strains; Rats, Zucker; Urea | 1989 |
The ornithine requirement of urea synthesis. Formation of ornithine from glutamine in hepatocytes.
Topics: Ammonium Chloride; Animals; Bucladesine; Female; Glutamates; Glutamine; In Vitro Techniques; Liver; Ornithine; Rats; Rats, Inbred Strains; Urea | 1986 |
Urea concentration and ornithine decarboxylase in liver of female rats.
Topics: Animals; Carbamoyl-Phosphate Synthase (Ammonia); Eflornithine; Female; Glutamates; Kinetics; Liver; Ornithine; Ornithine Decarboxylase; Pregnancy; Rats; Rats, Inbred Strains; Thioacetamide; Urea | 1986 |
Channeling of extramitochondrial ornithine to matrix ornithine transcarbamylase.
Topics: Amino Acid Transport Systems, Basic; Animals; Biological Transport; Carbamoyl-Phosphate Synthase (Ammonia); Carrier Proteins; Citrulline; Kinetics; Lysine; Male; Membrane Transport Proteins; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Rats; Rats, Inbred Strains; Urea | 1987 |
Effects of ornithine or arginine administration on serum amino acid levels.
Topics: Adult; Amino Acids; Arginine; Blood Glucose; Fasting; Fatty Acids, Nonesterified; Female; Humans; Insulin; Isoleucine; Leucine; Liver; Male; Middle Aged; Ornithine; Urea; Valine | 1987 |
Interrelationship between drug oxidation ureogenesis and gluconeogenesis in isolated hepatocytes.
Topics: Aminopyrine; Ammonium Chloride; Animals; Cells, Cultured; Gluconeogenesis; Kinetics; Liver; Male; Mice; Mice, Inbred Strains; Ornithine; Oxidation-Reduction; Urea | 1988 |
Human arginase isozymes.
Topics: Animals; Arginase; Arginine; Gene Expression Regulation; Humans; Hyperargininemia; Isoenzymes; Liver; Mitochondria; Ornithine; Species Specificity; Urea | 1987 |
Urea cycle metabolism: effects of supplemental ornithine or citrulline on performance, tissue amino acid concentrations and enzymatic activity in young pigs fed arginine-deficient diets.
Topics: Animals; Arginase; Arginine; Body Weight; Brain; Citrulline; Intestinal Mucosa; Kidney; Liver; Male; Muscles; Ornithine; Ornithine Carbamoyltransferase; Proline; Swine; Urea | 1987 |
Effect of improved hydrogen supply on energy state, ureogenesis and gluconeogenesis in isolated hepatocytes.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Ammonia; Animals; Caprylates; Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone; Energy Metabolism; Gluconeogenesis; Hydrogen; Lactates; Lactic Acid; Liver; Ornithine; Phenazines; Urea | 1986 |
Glutamine metabolism in rat hepatocytes. Stimulation by a nonmetabolizable analog of leucine.
Topics: 3-Hydroxybutyric Acid; Acetoacetates; Amino Acids; Amino Acids, Cyclic; Animals; Glucagon; Glutamine; Hydroxybutyrates; Ketoglutaric Acids; Leucine; Liver; Malates; Ornithine; Pyruvates; Pyruvic Acid; Rats; Rats, Inbred Strains; Urea | 1986 |
The importance of arginine in evolution.
Topics: Adenosine Triphosphate; Animals; Arginine; Biological Evolution; DNA; Ornithine; Proteins; Urea | 1986 |
Physiological and metabolic changes associated with weaning in the tammar wallaby, Macropus eugenii.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Female; Gluconeogenesis; Glycogen; Glycolysis; Hexokinase; Hydrogen-Ion Concentration; Liver; Macropodidae; Marsupialia; Organ Size; Ornithine; Phosphoenolpyruvate Carboxykinase (GTP); Pyruvate Kinase; Urea; Urine; Weaning | 1986 |
Large surface hemodialysis: influence on the amino acids of the urea cycle.
Topics: Arginine; Humans; Kidney Failure, Chronic; Ornithine; Renal Dialysis; Urea | 1985 |
Homogeneous interleukin 3 enhances arginase activity in murine hematopoietic cells.
Topics: Animals; Arginase; Bone Marrow; Cell Division; Cells, Cultured; Colony-Stimulating Factors; Enzyme Activation; Hematopoietic Stem Cells; Interleukin-3; Lymphokines; Mice; Mice, Inbred C57BL; Ornithine; Spleen; Urea | 1985 |
Influence of lysine on urea cycle activity and orotate formation in the isolated perfused rat liver.
Topics: Ammonia; Animals; In Vitro Techniques; Kinetics; Liver; Lysine; Male; Ornithine; Orotic Acid; Perfusion; Rats; Rats, Inbred Strains; Urea | 1985 |
Control of ureogenesis.
Topics: Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carbamyl Phosphate; Enzyme Activation; In Vitro Techniques; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Rats, Inbred Strains; Urea | 1985 |
Metabolic role of urea cycle intermediates: nutritional and clinical aspects. Introduction.
Topics: Ammonia; Animals; Arginine; Body Weight; Citrulline; Intestine, Small; Kidney; Liver; Nutritional Physiological Phenomena; Ornithine; Proline; Rats; Urea | 1985 |
Nutritional and metabolic responses to arginine deficiency in carnivores.
Topics: Aging; Animal Nutritional Physiological Phenomena; Animals; Arginine; Carnivora; Cats; Citrulline; Dogs; Glutamine; Intestinal Mucosa; Kidney; Liver; Muscles; Nutritional Requirements; Ornithine; Ornithine-Oxo-Acid Transaminase; Orotic Acid; Rats; Species Specificity; Urea | 1985 |
Reciprocal effects of energy utilization on palmitate oxidation and esterification in hepatocytes of fed rats.
Topics: Aminooxyacetic Acid; Ammonium Chloride; Animals; Diglycerides; Energy Metabolism; Liver; Male; Ornithine; Oxidation-Reduction; Palmitic Acid; Palmitic Acids; Phospholipids; Rats; Triglycerides; Urea | 1985 |
Free amino acid pattern in blue mussel (Mytilus edulis) exposed to crude oil.
Topics: Amino Acids; Ammonia; Animals; Bivalvia; Finland; Gills; Ornithine; Petroleum; Proteins; Time Factors; Urea; Water Pollutants; Water Pollutants, Chemical | 1985 |
Urea synthesis in hepatocytes isolated from young and old rats.
Topics: Aging; Ammonium Chloride; Animals; Epinephrine; Glucagon; Gluconeogenesis; In Vitro Techniques; Lactates; Lactic Acid; Liver; Male; Ornithine; Pyruvates; Pyruvic Acid; Rats; Rats, Inbred Strains; Urea | 1985 |
Editorial: Encephalopathy and fatty degeneration of viscera.
Topics: Age Factors; Ammonia; Arginine; Brain Diseases; Chickenpox; Child; Fatty Liver; Humans; Influenza, Human; Ornithine; Orthomyxoviridae; Reye Syndrome; Transaminases; Urea | 1974 |
Reye's syndrome due to a novel protein-tolerant variant of ornithine-transcarbamylase deficiency.
Topics: Ammonia; Brain Diseases; Child; Fatty Liver; Female; Hepatic Encephalopathy; Humans; Kinetics; Liver; Metabolism, Inborn Errors; Ornithine; Ornithine Carbamoyltransferase; Prothrombin Time; Reye Syndrome; Urea | 1974 |
Self-association and allosteric properties of glutamine-dependent carbamyl phosphate synthetase. Reversible dissociation to monomeric species.
Topics: Allosteric Regulation; Ammonia; Barbiturates; Carbamates; Carbon Radioisotopes; Enzyme Activation; Escherichia coli; Glutamine; Guanidines; Kinetics; Macromolecular Substances; Ornithine; Osmolar Concentration; Phosphates; Phosphotransferases; Potassium; Potassium Chloride; Protein Conformation; Ultracentrifugation; Urea | 1974 |
Extractability and intracellular localisation of urea cycle enzymes from rat liver.
Topics: Animals; Arginase; Aspartate Aminotransferases; Buffers; Carbamates; Cytoplasm; Enzymes; Female; Glutamate Dehydrogenase; Keto Acids; L-Lactate Dehydrogenase; Liver; Lyases; Methods; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Rats; Subcellular Fractions; Succinates; Transaminases; Urea | 1974 |
[Arginase and urease synthesis in Micrococcus denitrificans Beij. under aerobic and anaerobic culture conditions].
Topics: Ammonium Chloride; Arginase; Arginine; Citrulline; Culture Media; Micrococcus; Nitrates; Ornithine; Oxygen; Urea; Urease | 1969 |
Detoxication of ammonia in sheep fed soy protein or urea.
Topics: Ammonia; Animals; Arginase; Arginine; Biotransformation; Carbamates; Depression, Chemical; Dietary Proteins; Feces; Glutamate Dehydrogenase; Glycine max; Ligases; Liver; Lyases; NAD; NADP; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Plant Proteins; Sheep; Statistics as Topic; Succinates; Urea | 1970 |
Some properties of urea dehydrogenase in tissues of higher plants.
Topics: Adenine Nucleotides; Ammonia; Aspartic Acid; Carbon Isotopes; Chromatography; Chromatography, Paper; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; Flavins; Hot Temperature; Hydrogen-Ion Concentration; Indicators and Reagents; NADP; Ornithine; Oxidoreductases; Phosphates; Plants; Quaternary Ammonium Compounds; Succinates; Sulfates; Urea | 1966 |
[Urea utilisation by the urease-free organisms].
Topics: Allantoin; Candida; Chemical Phenomena; Chemistry; Cryptococcus; Hydantoins; NAD; NADP; Ornithine; Streptococcus; Urea; Urease | 1971 |
[Biochemical, biological and immunobiological aspects of young infant nutrition. Foundations of cellular metabolism].
Topics: Adenosine Monophosphate; Adenosine Triphosphate; Amino Acids; Carbohydrate Metabolism; Cells; Chemical Phenomena; Chemistry; Digestion; Enzymes; Fatty Acids; Glucuronates; Glycolysis; Humans; Infant; Infant Nutritional Physiological Phenomena; Infant, Newborn; Ornithine; Peptide Biosynthesis; Porphyrins; Protein Biosynthesis; RNA; Squalene; Urea | 1974 |
Utilization of amino acids as nitrogen sources, and their effects on nitrate reductase in the marine diatom Cyclotella cryptica.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Asparagine; Cell-Free System; Chlorophyll; Eukaryota; Glutamates; Glutamine; Glycine; Isoleucine; Nitrate Reductases; Nitrates; Ornithine; Plant Proteins; Proline; Seawater; Urea; Water Microbiology | 1974 |
[Amino acid levels in the blood serum of patients with chronic colitis].
Topics: Adult; Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Betaine; Chronic Disease; Citrulline; Colitis; Glutamates; Glutamine; Glycine; Histidine; Humans; Middle Aged; Ornithine; Phenylalanine; Proline; Serine; Taurine; Threonine; Tryptophan; Tyrosine; Urea | 1974 |
A concerted response of the enzymes of urea biosynthesis during thyroxine-induced metamorphosis of Rana catesbeiana.
Topics: Adenosine Triphosphate; Ammonia; Animals; Anura; Arginase; Arginine; Aspartic Acid; Carbon Dioxide; Citrulline; Larva; Ligases; Liver; Lyases; Metamorphosis, Biological; Mitochondria, Liver; Organ Size; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Rana catesbeiana; Subcellular Fractions; Succinates; Thyroxine; Urea | 1972 |
Properties of amphibian renal arginase. 3. The molecular weight, chemical specificity and effects of ornithine and urea.
Topics: Animals; Anura; Arginase; Arginine; Cattle; Cell Fractionation; Centrifugation, Density Gradient; Cytoplasm; Guanidines; Hydrogen-Ion Concentration; Kidney; Liver; Microsomes; Microsomes, Liver; Molecular Weight; Ornithine; Rana catesbeiana; Rana pipiens; Rats; Species Specificity; Stereoisomerism; Structure-Activity Relationship; Urea | 1972 |
Evaluation of the Auxotab Enteric 1 System for identification of Enterobacteriaceae.
Topics: Bacteriological Techniques; Carboxy-Lyases; Enterobacteriaceae; Evaluation Studies as Topic; Hydrogen Sulfide; Indoles; Lysine; Malonates; Nitrobenzenes; Ornithine; Phenylalanine Hydroxylase; Sucrose; Time Factors; Urea | 1972 |
Polyamine metabolism in potassium-deficient bacteria.
Topics: Arginine; Bacterial Proteins; Carbon Isotopes; Carboxy-Lyases; Cell-Free System; Culture Media; Escherichia coli; Methionine; Mutation; Ornithine; Potassium; Putrescine; RNA, Bacterial; S-Adenosylmethionine; Sodium; Spermidine; Urea | 1972 |
Observations on receptor specific proteins. II. Haemagglutination and haemagglutination-inhibition reactions of Clostridium botulinum types A, C, D and E haemagglutinins.
Topics: Amino Acids; Animals; Antibodies, Bacterial; Anura; Binding Sites; Cattle; Chickens; Clostridium botulinum; Galactose; Goats; Guinea Pigs; Hemagglutination Inhibition Tests; Hemagglutination Tests; Horses; Humans; Mink; Neuraminidase; Ornithine; Papain; Polysaccharides; Rabbits; Rats; Sheep; Swine; Trypsin; Urea | 1973 |
Ornithine metabolism in the developing sheep.
Topics: Animals; Arginase; Fetus; Kidney; Liver; Ornithine; Ornithine Carbamoyltransferase; Sheep; Transaminases; Urea | 1972 |
Arginine and urea metabolism in the South American land snail, Strophoceilus oblongus.
Topics: Amino Acids; Animals; Arginase; Arginine; Aspartic Acid; Bicarbonates; Carbon Dioxide; Carbon Isotopes; Citrulline; Glutamates; Kidney; Ligases; Liver; Lyases; Ornithine; Ornithine Carbamoyltransferase; Pancreas; Protein Biosynthesis; Snails; Succinates; Urea | 1972 |
Ornithine cycle and uricolytic enzymes in four bivalve molluscs.
Topics: Allantoin; Animals; Arginase; Arginine; Aspartic Acid; Bivalvia; Citrulline; Digestive System; Glutamates; Kidney; Kinetics; Ligases; Lyases; Mollusca; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Quaternary Ammonium Compounds; Species Specificity; Succinates; Urate Oxidase; Urea; Ureohydrolases | 1972 |
Possible rate-limiting factors in urea synthesis by the perfused rat liver.
Topics: Ammonium Chloride; Animals; Caseins; Diet; Dietary Proteins; Glucose; Hydrocortisone; Liver; Male; Ornithine; Peptide Synthases; Perfusion; Starvation; Thyroxine; Urea | 1972 |
[Mechanism of intrahepatic accumulation of dicarboxylic amino acids during ammonia poisoning].
Topics: Alanine; Amino Acids; Ammonia; Animals; Arginine; Aspartic Acid; Citrates; Citrulline; Dicarboxylic Acids; Glutamates; Glutaminase; Glutamine; Liver; Malates; Ornithine; Pyruvates; Rats; Seizures; Urea | 1972 |
Uraemic waste recovery. II. In vitro studies.
Topics: Allantoin; Ammonia; Arginine; Creatine; Culture Media; Fermentation; Glutamates; Guanidines; Humans; Nitrogen; Ornithine; Soil Microbiology; Temperature; Urea; Uremia; Uric Acid; Xanthines | 1972 |
Function of arginase in lactating mammary gland.
Topics: Animals; Arginase; Aspartate Carbamoyltransferase; Carbon Isotopes; Citrulline; DNA; Female; Lactation; Liver; Mammary Glands, Animal; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Pregnancy; Pyrimidines; Rats; Transaminases; Urea | 1972 |
Factors affecting the interactions of collagen molecules as observed by in vitro fibril formation. I. Effects of small molecules, especially saccharides.
Topics: Alcohols; Animals; Arginine; Calcium Chloride; Cattle; Collagen; Depression, Chemical; Glucosamine; Glucose; Mannitol; Monosaccharides; Oligosaccharides; Ornithine; Pyridinium Compounds; Sodium Chloride; Stimulation, Chemical; Sucrose; Surface-Active Agents; Thiocyanates; Tromethamine; Urea | 1972 |
[Study on di-L(+)-ornithine-alpha-ketoglutaric acid in the model of isolated perfused rat liver].
Topics: Ammonia; Animals; Chemical and Drug Induced Liver Injury; Female; Galactosamine; Glucose; Ketoglutaric Acids; Liver; Membranes; Models, Biological; Ornithine; Perfusion; Potassium; Rats; Urea | 1972 |
Free amino acids of plasma in the acute phase of experimental necrotic liver damage.
Topics: Amino Acids; Ammonia; Animals; Arginase; Arginine; Carbon Tetrachloride Poisoning; Liver Diseases; Male; Necrosis; Ornithine; Rats; Time Factors; Urea | 1973 |
Activities of ornithine-urea cycle enzymes and of trimethylamine oxidase in the coelacanth, Latimeria chalumnae.
Topics: Animals; Biological Evolution; Fishes; Liver; Methylamines; Ornithine; Oxidoreductases, N-Demethylating; Species Specificity; Urea | 1973 |
Conversion of arginine to proline in the chick.
Topics: Amino Acids; Aminoisobutyric Acids; Animal Nutritional Physiological Phenomena; Animals; Arginine; Body Composition; Body Weight; Carbon Isotopes; Chickens; Deficiency Diseases; Glutamates; Ornithine; Proline; Time Factors; Tritium; Urea | 1973 |
Preparation and properties of an inhibitory extract from frog virus 3 particles.
Topics: Animals; Anura; Carcinoma; Cell Line; Cricetinae; Dextrans; DNA Viruses; Hot Temperature; Humans; Kidney; Mouth Neoplasms; Neutralization Tests; Ornithine; Protein Denaturation; RNA, Neoplasm; Stereoisomerism; Surface-Active Agents; Tritium; Trypsin; Urea; Viral Proteins | 1973 |
Study of albumin synthesis in relation to urea synthesis.
Topics: Albumins; Animals; Arginine; Carbon Radioisotopes; Ethanol; Immunoassay; Liver; Ornithine; Perfusion; Rabbits; Serum Albumin; Tryptophan; Urea | 1973 |
Accumulation of amino acids by the perfused rat liver in the presence of ethanol.
Topics: Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Ethanol; Gluconeogenesis; Glucose; In Vitro Techniques; Lactates; Liver; Oleic Acids; Ornithine; Oxygen Consumption; Pyruvates; Rats; Urea | 1973 |
Nitrogen metabolism in channel catfish, Ictalurus punctatus. II. Evidence for an apparent incomplete ornithine-urea cycle.
Topics: Animals; Arginase; Arginine; Carbamates; Fishes; Kidney; Kinetics; Ligases; Lyases; Multienzyme Complexes; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Urea | 1973 |
Arginase activity, arginine and ornithine of plasma in experimental liver damage.
Topics: Animals; Arginase; Arginine; Aspartate Aminotransferases; Carbon Tetrachloride Poisoning; Leucine; Liver Diseases; Male; Ornithine; Rats; Stimulation, Chemical; Time Factors; Urea | 1974 |
Nitrogen metabolism in channel catfish, Ictalurus punctatus. 3. Relative pool sizes of free amino acids and related compounds in various tissues of the catfish.
Topics: Alanine; Amino Acids; Aminobutyrates; Aminoisobutyric Acids; Ammonia; Analysis of Variance; Animals; Autoanalysis; Brain; Fishes; Gills; Glutamine; Hydroxyproline; Intestinal Mucosa; Kidney; Liver; Myocardium; Organ Specificity; Ornithine; Spleen; Taurine; Urea | 1974 |
Defective metabolic clearance of plasma arginine and ornithine in lysinuric protein intolerance.
Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Arginine; Child; Child, Preschool; Cystine; Cystinuria; Fasting; Female; Humans; Infant; Infusions, Parenteral; Kidney Diseases; Liver Diseases; Lysine; Male; Metabolic Clearance Rate; Ornithine; Proteinuria; Renal Tubular Transport, Inborn Errors; Urea | 1974 |
Urea production and putrescine biosynthesis by Escherichia coli.
Topics: Amines; Arginine; Carbon Isotopes; Citrulline; Escherichia coli; Glucose; Ornithine; Urea; Urease | 1967 |
Arginine transport and metabolism in osmotically shocked and unshocked cells of Escherichia coli W.
Topics: Acetates; Arginine; Biological Transport; Canavanine; Carbon Isotopes; Carboxy-Lyases; Citrulline; Cold Temperature; Escherichia coli; Glutamates; Guanidines; Hydrochloric Acid; Leucine; Lysine; Ornithine; Osmolar Concentration; Proline; Tromethamine; Urea | 1969 |
Putrescine biosynthesis in Escherichia coli. Regulation through pathway selection.
Topics: Arginine; Butylamines; Enzyme Induction; Escherichia coli; Models, Biological; Ornithine; Ornithine Carbamoyltransferase; Urea | 1969 |
Pharmacological studies on -guanidinobutyramide.
Topics: Adipose Tissue; Amides; Ammonium Chloride; Animals; Blood Glucose; Butyrates; Carbon Isotopes; Diabetes Mellitus, Experimental; Diaphragm; Glucose; Glucose Tolerance Test; Glycogen; Guanidines; Insulin; Insulin Antibodies; Insulin Secretion; Islets of Langerhans; Liver; Liver Glycogen; Metabolism; Mice; Muscles; Ornithine; Phenformin; Rabbits; Radioimmunoassay; Rats; Seizures; Starvation; Stimulation, Chemical; Urea | 1971 |
A system for the study of urea synthesis in liver homogenates.
Topics: Adenine Nucleotides; Amino Acids; Ammonia; Animals; Aspartic Acid; Cell-Free System; Edetic Acid; In Vitro Techniques; Keto Acids; Liver; Magnesium; Male; Nitrogen; Ornithine; Plasma; Rats; Time Factors; Urea | 1969 |
[The arginase from tissues of ureotelic and uricotelic vertebrates].
Topics: Age Factors; Animals; Arginase; Cats; Cattle; Dogs; Haplorhini; Humans; Isoenzymes; Kidney; Liver; Mammals; Ornithine; Rabbits; Rats; Sex Factors; Urea; Uric Acid; Vertebrates | 1971 |
[Metabolic alterations in perfused rat liver following pretreatment with the antilipolytic agent 3,5-dimethyl-isoxazole].
Topics: Acetoacetates; Alanine; Alanine Transaminase; Animals; Aspartate Aminotransferases; Glucagon; Glucose; Glutamate Dehydrogenase; Hydroxybutyrates; In Vitro Techniques; Lactates; Liver; Male; Ornithine; Oxazoles; Oxygen Consumption; Perfusion; Proteins; Pyruvates; Rats; Urea | 1972 |
Nitrogen metabolism of the South American lungfish Lepidosiren paradoxa.
Topics: Acetates; Ammonia; Animals; Arginine; Aspartic Acid; Bicarbonates; Carbon Isotopes; Citrulline; Climate; Fasting; Fishes; Glutamates; Guanidines; Leucine; Liver; Manganese; Ornithine; Serine; Stereoisomerism; Urea | 1972 |
Hyperammonemia due to a defect in hepatic ornithine transcarbamylase.
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Central Nervous System Diseases; Child; Child Behavior Disorders; Citrates; Coma; Diet Therapy; Dietary Proteins; Female; Gastrointestinal Diseases; Guanidines; Humans; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Succinates; Urea | 1972 |
The effect of experimental bile-duct obstruction on critical biosynthetic functions of the liver.
Topics: Animals; Bile Ducts; Cholestasis; Gluconeogenesis; Lactates; Ligation; Liver; Male; Organ Size; Ornithine; Oxygen Consumption; Perfusion; Rats; Urea | 1972 |
The congenital hyperammonemic syndrome.
Topics: Acidosis; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Diet Therapy; Dietary Proteins; Female; Humans; Infant; Keto Acids; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Urea; Uric Acid | 1971 |
Relationship of arginine and methionine to creatine formation in chicks.
Topics: Amino Acids; Animal Nutritional Physiological Phenomena; Animals; Arginine; Betaine; Body Weight; Chickens; Choline; Choline Deficiency; Creatine; Cystine; Deficiency Diseases; Depression, Chemical; Folic Acid; Folic Acid Deficiency; Glycine; Glycine max; Guanidines; Lipid Metabolism; Liver; Male; Methionine; Muscles; Ornithine; Stimulation, Chemical; Urea; Vitamin B 12; Vitamin B 12 Deficiency; Zea mays | 1971 |
Hyperammonemia due to a mutant enzyme of ornithine transcarbamylase.
Topics: Amino Acids; Ammonia; Animals; Autopsy; Clinical Enzyme Tests; Culture Techniques; Female; Humans; Infant; Liver; Metabolism, Inborn Errors; Mutation; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Phosphotransferases; Rats; Threonine; Urea | 1971 |
The presence of high ornithine-urea cycle enzyme activity in the teleost Opsanus tau.
Topics: Acetates; Adenosine Triphosphate; Ammonia; Animals; Arginase; Arginine; Bicarbonates; Blood Urea Nitrogen; Carbamates; Enzyme Activation; Fishes; Glutamates; Ligases; Liver; Lyases; Magnesium; Manganese; Ornithine; Ornithine Carbamoyltransferase; Phosphoric Acids; Phosphotransferases; Quaternary Ammonium Compounds; Succinates; Sulfuric Acids; Urea | 1971 |
Urea biosynthesis and excretion in freshwater and marine elasmobranchs.
Topics: Acetates; Adenosine Triphosphate; Animals; Arginase; Arginine; Bicarbonates; Carbamates; Carbon Isotopes; Fishes; Glutamates; Ligases; Liver; Ornithine; Ornithine Carbamoyltransferase; Phosphoric Acids; Phosphotransferases; Species Specificity; Thiourea; Urea | 1971 |
The inhibition of urea synthesis by leucine in the perfused rat liver.
Topics: Alanine; Animals; Depression, Chemical; Glucose; In Vitro Techniques; Leucine; Liver; Lysine; Ornithine; Perfusion; Phenylalanine; Rats; Starvation; Urea | 1971 |
Automated determination of arginase in human erythrocytes.
Topics: Acetates; Arginase; Arginine; Autoanalysis; Drug Stability; Enzyme Activation; Erythrocytes; Hemoglobinometry; Hemoglobins; Humans; Hydrogen-Ion Concentration; Manganese; Mathematics; Methods; Nitroso Compounds; Ornithine; Oximes; Propiophenones; Spectrophotometry; Temperature; Urea | 1971 |
Effect of hydrazine on urea cycle enzymes in vitro and in vivo.
Topics: Animals; Arginase; Body Weight; Brain; Citrulline; Hydrazines; In Vitro Techniques; Kidney; Ligases; Liver; Male; Organ Size; Ornithine; Rats; Time Factors; Transaminases; Urea | 1971 |
Ornithine-urea cycle activity in xenopus laevis: adaptation in saline.
Topics: Adaptation, Physiological; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Liver; Male; Ornithine; Sodium Chloride; Urea; Xenopus laevis | 1967 |
Effect of urea concentration on its utilization, on the pH and the formation of ammonia and carbon dioxide in a human salivary sediment system.
Topics: Amino Acids; Ammonia; Autoradiography; Carbohydrate Metabolism; Carbon; Carbon Dioxide; Carbon Isotopes; Chromatography, Paper; Humans; Hydrogen-Ion Concentration; Lactates; Nitrogen; Ornithine; Saliva; Succinates; Urea; Urease | 1971 |
Compartmentalization of spermine and spermidine in the herpes simplex virion.
Topics: Carcinoma; Cell Line; Detergents; DNA, Viral; Herpes Simplex; Herpesviridae; Humans; Ornithine; Polyamines; Protein Binding; Skin; Spermidine; Spermine; Time Factors; Tritium; Urea | 1971 |
[Urea-and ammonia content of the liver following irradiation in vivo].
Topics: Ammonia; Animals; Liver; Male; Ornithine; Radiation Effects; Rats; Urea | 1966 |
Canaline: interfering with ornithine metabolism in the isolated perfused rat liver.
Topics: Alanine Transaminase; Amino Acids; Animals; Aspartate Aminotransferases; Cycloserine; In Vitro Techniques; Liver; Ornithine; Perfusion; Rats; Urea | 1969 |
Argininosuccinic aciduria. Neonatal variant with rapid fatal course.
Topics: Arginase; Arginine; Blood Urea Nitrogen; Brain Chemistry; Chromatography, Paper; Citrulline; Female; Humans; Infant, Newborn; Lyases; Metabolism, Inborn Errors; Ornithine; Succinates; Urea | 1969 |
Metabolism of bovine semen. XX. Role of ammonia in interactions between the citric acid and urea cycles.
Topics: Amino Acids; Ammonia; Animals; Arginase; Arginine; Carbamates; Carbon Dioxide; Carbon Isotopes; Cattle; Cell Fractionation; Citric Acid Cycle; Citrulline; Male; Ornithine; Ornithine Carbamoyltransferase; Oxygen Consumption; Phosphotransferases; Proline; Pyruvates; Rabbits; Semen; Spermatozoa; Urea; Valerates | 1969 |
Stimulation of urea synthesis in the fasting rat by the antilipolytic agent 3,5-dimethylisoxazole.
Topics: Adrenalectomy; Alanine; Animals; Fasting; Fatty Acids, Nonesterified; In Vitro Techniques; Liver; Male; Ornithine; Oxazoles; Rats; Urea | 1970 |
Arginaseless Neurospora: genetics, physiology, and polyamine synthesis.
Topics: Amines; Arginase; Arginine; Butylamines; Crosses, Genetic; Culture Media; Genetic Complementation Test; Genetics, Microbial; Mutation; Neurospora; Ornithine; Ornithine Carbamoyltransferase; Proline; Protein Biosynthesis; Spermine; Transaminases; Urea | 1970 |
A radioisotopic assay system for enzymes of the ornithine-urea cycle.
Topics: Animals; Anura; Arginine; Carbon Isotopes; Chromatography, Paper; Enzymes; Ligases; Methods; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Succinates; Technology, Radiologic; Urea | 1970 |
Rate of urea synthesis in normal and cirrhotic rat liver with reference to the arginine synthetase system.
Topics: Ammonia; Ammonium Chloride; Animals; Arginine; Blood Proteins; Blood Urea Nitrogen; Diet; Hydroxyproline; In Vitro Techniques; Ligases; Liver; Liver Cirrhosis, Experimental; Male; Ornithine; Rats; Urea | 1970 |
Characteristics of the ureotelic arginase and its role in the advent of ureotelism during the metamorphosis of the Mexican axolotl.
Topics: Animals; Arginase; Arginine; Aspartic Acid; Biological Clocks; Centrifugation, Density Gradient; Citrulline; Liver; Metamorphosis, Biological; Ornithine; Rats; Triiodothyronine; Urea; Urodela | 1967 |
[Investigation on the metabolism of urea in microorganisms. VI. Specific activities of the ornithine-cycle enzymes in Micrococcus denitrificans Beij].
Topics: Arginase; Arginine; Ligases; Lyases; Micrococcus; Nitrates; Ornithine; Ornithine Carbamoyltransferase; Oxygen Consumption; Phosphotransferases; Quaternary Ammonium Compounds; Urea | 1967 |
[Generalized hyperaminoaciduria with hereditary rickets in pigs].
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Animals; Hypophosphatemia, Familial; Nitrogen; Ornithine; Rickets; Swine; Swine Diseases; Urea; Vitamin D | 1967 |
The 'neurotoxicity' of L-2,4-diaminobutyric acid.
Topics: Aminobutyrates; Ammonia; Animals; Arginine; Aspartic Acid; Blood Glucose; Brain Chemistry; Chickens; Chromatography, Ion Exchange; Glutamates; Glutamine; In Vitro Techniques; Leucine; Liver; Lysine; Male; Ornithine; Ornithine Carbamoyltransferase; Potassium; Quaternary Ammonium Compounds; Rats; Sodium; Spectrophotometry; Time Factors; Urea; Urine | 1968 |
Effect of pyruvate and other substrates on urea synthesis in rat liver slices.
Topics: Acetates; Alanine; Animals; Caprylates; Citrulline; Depression, Chemical; Electrophoresis; Fructose; Glucose; Lactates; Liver; Male; Ornithine; Paper; Proline; Pyruvates; Rats; Succinates; Urea | 1968 |
Ornithine-urea cycle enzymes in early embryos of the dogfish Squalus suckleyi and the skate Raja binoculata.
Topics: Animals; Arginase; Catalysis; Embryo, Nonmammalian; Female; Fishes; Ornithine; Ovum; Sharks; Urea | 1968 |
Arginine biosynthesis and metabolism in terrestrial snails.
Topics: Amino Acids; Animals; Arginase; Arginine; Aspartic Acid; Autoanalysis; Bicarbonates; Carbon Isotopes; Glutamates; Liver; Ornithine; Pancreas; Protein Biosynthesis; Snails; Species Specificity; Transaminases; Urea; Urease | 1968 |
[Studies on the metabolism of urea in microorganisms. VII. Dependence of the specific activity of the enzymes of the ornithine cycle and of urease from the duration of culture and the N source].
Topics: Arginase; Arginine; Ascomycota; Asparagine; Candida; Culture Media; Enzyme Induction; Guanine; Ligases; Lyases; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Urea; Urease; Yeasts | 1968 |
Effect of thyroid hormones on some enzymes of nitrogen metabolism.
Topics: Ammonia; Animals; Antithyroid Agents; Aspartic Acid; Dactinomycin; Depression, Chemical; Diet; Ethionine; Glutaminase; Glutamine; Hyperthyroidism; Hypothyroidism; Kidney; Ligases; Liver; Male; Ornithine; Phosphotransferases; Propylthiouracil; Puromycin; Rats; Stimulation, Chemical; Thyroid Hormones; Transaminases; Transferases; Urea | 1968 |
[The role of glutamine in ureagenesis in the carp (Cyprinus carpio L.)].
Topics: Animals; Citric Acid Cycle; Cyprinidae; Glutamates; Glutamine; Glycine; In Vitro Techniques; Ornithine; Perfusion; Purines; Stimulation, Chemical; Urea | 1968 |
[Metabolites of urea synthesis following localized liver irradiation].
Topics: Ammonia; Animals; Arginine; Liver; Male; Methods; Ornithine; Radiation Effects; Rats; Urea | 1968 |
[The ornithine cycle in chick embryos].
Topics: Animals; Arginine; Chick Embryo; Citrulline; Liver; Ornithine; Ornithine Carbamoyltransferase; Urea | 1968 |
Properties and subcellular distribution of ornithine cycle enzymes in amphibian kidney.
Topics: Animals; Anura; Arginase; Arginine; Aspartic Acid; Canavanine; Dinitrophenols; Enzyme Activation; Female; Hydrogen-Ion Concentration; Kidney; Kidney Tubules; Kinetics; Leucine; Ligases; Liver; Lyases; Male; Manganese; Microsomes; Molecular Weight; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Potassium Chloride; Succinates; Urea | 1968 |
A study of ammonia and urea production and excretion in the fresh-water-adapted form of the Pacific lempry, Entosphenus tridentatus.
Topics: Ammonia; Animals; Arginase; Biological Evolution; Carbamates; Citrulline; Fishes; Gills; Hydrogen-Ion Concentration; Kidney; Kinetics; Liver; Manganese; Ornithine; Phosphotransferases; Seawater; Urea | 1968 |
Urea cycle in the silkworm, BOMBYX MORI.
Topics: Animals; Arginine; Autoradiography; Bombyx; Carbon Isotopes; Chromatography, Thin Layer; Citrulline; Deficiency Diseases; Diet; Glutamates; Ornithine; Proline; Urea | 1969 |
Arginase activity determination.
Topics: Arginase; Colorimetry; Indicators and Reagents; Manganese; Ornithine; Urea | 1969 |
Partial purification and properties of carbamoyl phosphate synthetase of Alaska pea (Pisum sativum L. cultivar Alaska).
Topics: Adenosine Triphosphate; Asparagine; Carbamates; Chromatography, Gel; Glutamine; Iron; Magnesium; Manganese; Ornithine; Phosphotransferases; Plants; Potassium; Quaternary Ammonium Compounds; Urea | 1969 |
[Metabolism of ammonia. 3. Effect in vitro of arginine on the physiological activity of the urea cycle enzymes during ammonia poisoning].
Topics: Ammonia; Animals; Arginase; Arginine; Citrulline; Epinephrine; Hormones; In Vitro Techniques; Ligases; Liver; Norepinephrine; Ornithine; Rats; Transferases; Urea | 1969 |
Nutritional evidence for the absence of the complete ornithine-urea cycle in the insect, Argyrotaenia velutinana (Lepidoptera: Tortricidae).
Topics: Acetates; Animal Nutritional Physiological Phenomena; Animals; Arginine; Citrulline; Creatine; Diet; Guanidines; Insecta; Metamorphosis, Biological; Ornithine; Reproduction; Urea | 1969 |
[The effect of guanidine- or urea-group containing substances on the growth of the LS-1 streptomycin strain of Act. streptomycini].
Topics: Citrulline; Creatine; Guanidines; Ornithine; Streptomyces; Urea | 1965 |
The ornithinic ureogenetic cycle in staphylococcus.
Topics: Arginase; Ligases; Lyases; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Staphylococcus; Urea | 1965 |
Urea synthesis in the lungfish: relative importance of purine and ornithine cycle pathways.
Topics: Animals; Carbon Isotopes; Chordata, Nonvertebrate; Liver; Ornithine; Purines; Urea | 1966 |
[Studies on the metabolism of urea in microorganisms. V. The specific activity of the ornithine cycle enzymes in Endomycopsis vernalis and Torulopsis utilis in relation to the N source].
Topics: Arginase; Arginine; Ascomycota; Asparagine; Candida; Citrulline; Ligases; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Quaternary Ammonium Compounds; Urea | 1966 |
Free amino acids of human foetal and adult liver.
Topics: Adult; Alanine; Amino Acids; Aspartic Acid; Autoanalysis; Cystine; Female; Fetus; Glutamates; Glycine; Histidine; Humans; Isoleucine; Leucine; Liver; Lysine; Methionine; Ornithine; Phenylalanine; Pregnancy; Proline; Serine; Taurine; Threonine; Tyrosine; Urea; Valine | 1966 |
Lungfish Neoceratodus forsteri: activities of ornithine-urea cycle and enzymes.
Topics: Animals; Arginase; Arginine; Bicarbonates; Carbamates; Carbon Isotopes; Fishes; In Vitro Techniques; Ligases; Liver; Lyases; Ornithine; Ornithine Carbamoyltransferase; Urea | 1967 |
Effect of ornithine-aspartate mixture on 15N-ammonia incorporation into urea in intact mice.
Topics: Ammonia; Animals; Aspartic Acid; Injections, Intraperitoneal; Male; Mice; Nitrogen; Ornithine; Radioisotopes; Urea | 1967 |
The recovery of amino acids from acid hydrolysates of whole urine from patients with thermal burns.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Burns; Creatine; Glutamates; Glycine; Histidine; Humans; Hydroxyproline; Isoleucine; Leucine; Lysine; Ornithine; Phenylalanine; Proline; Serine; Taurine; Threonine; Tyrosine; Urea; Valine | 1967 |
Free amino-acids in human sweat from different parts of the body.
Topics: Adolescent; Adult; Amino Acids; Arginine; Back; Child; Child, Preschool; Citrulline; Female; Hand; Humans; Infant; Male; Middle Aged; Ornithine; Sweat; Threonine; Urea | 1967 |
Urea formation by the lactating goat mammary gland.
Topics: Amino Acids; Animals; Arginine; Carbon Isotopes; Female; Goats; Lactation; Mammary Glands, Animal; Ornithine; Pregnancy; Urea | 1967 |
Regulation of the n-acetylglutamate content of rat hepatocytes by the glutamate concentration.
Topics: Ammonia; Animals; Aspartic Acid; Citrulline; Diet; Glutamates; Glutamic Acid; Liver; Ornithine; Rats; Urea | 1982 |
Evidence for a lymphokine enhancing arginase activity during allograft rejection.
Topics: Amino Acids; Animals; Arginase; Epitopes; Graft Rejection; H-2 Antigens; Lymphocyte Culture Test, Mixed; Lymphokines; Male; Mice; Mice, Inbred C57BL; Mice, Inbred DBA; Ornithine; Skin Transplantation; Spleen; Urea | 1983 |
Hydrogen bonding involving the ornithine side chain of gramicidin S.
Topics: Gramicidin; Hydrogen Bonding; Models, Molecular; Ornithine; Protein Conformation; Urea; X-Ray Diffraction | 1984 |
Short term regulation of ureagenesis.
Topics: Acetyltransferases; Amino Acids; Amino-Acid N-Acetyltransferase; Animals; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Female; Glutamates; Kinetics; Liver; Mitochondria, Liver; Ornithine; Phosphotransferases; Rats; Urea | 1980 |
Kinetics and metabolic effects of orally administered ornithine alpha-ketoglutarate in healthy subjects fed with a standardized regimen.
Topics: Administration, Oral; Adult; Amino Acids; Blood Glucose; Female; Humans; Insulin; Ketoglutaric Acids; Kinetics; Male; Metabolism; Ornithine; Urea | 1984 |
Oral administration of urea cycle intermediates in lysinuric protein intolerance: effect on plasma and urinary arginine and ornithine.
Topics: Administration, Oral; Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Arginine; Child; Citrulline; Female; Humans; Intestinal Absorption; Lysine; Ornithine; Urea | 1983 |
Effect of various dietary arginine: lysine ratios on performance, carcass composition and plasma amino acid concentrations of growing-finishing swine.
Topics: Amino Acids; Animals; Arginine; Body Composition; Body Weight; Diet; Female; Lysine; Male; Ornithine; Swine; Urea | 1984 |
Effects of excess arginine with and without supplemental lysine on performance, plasma amino acid concentrations and nitrogen balance of young swine.
Topics: Amino Acids; Animals; Arginine; Body Weight; Diet; Female; Histidine; Lysine; Male; Nitrogen; Ornithine; Swine; Urea | 1984 |
Mechanism of arginine protection against ammonia intoxication in the rat.
Topics: Acetyltransferases; Amino-Acid N-Acetyltransferase; Ammonia; Animals; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Male; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Rats; Rats, Inbred Strains; Urea | 1984 |
Arginine, an indispensable amino acid for patients with inborn errors of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Argininosuccinate Synthase; Argininosuccinic Aciduria; Blood Urea Nitrogen; Carbamoyl-Phosphate Synthase (Ammonia); Child, Preschool; Female; Glutamine; Humans; Infant; Infant, Newborn; Male; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1984 |
The mechanism of inhibition of ureogenesis by acidosis.
Topics: Acidosis; Alanine; Animals; Citrulline; Cytosol; Gluconeogenesis; Hydrogen-Ion Concentration; Lactates; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Urea | 1984 |
A possible rate limiting factor in urea synthesis by isolated hepatocytes: the transport of ornithine into hepatocytes and mitochondria.
Topics: Animals; Biological Transport; Citrulline; Female; In Vitro Techniques; Liver; Mitochondria, Liver; Ornithine; Rats; Rats, Inbred Strains; Urea | 1984 |
Regulation of biosynthesis of guanidinosuccinic acid in isolated rat hepatocytes and in vivo.
Topics: Amino Acids; Ammonium Chloride; Animals; Arginine; Citrulline; Guanidines; In Vitro Techniques; Liver; Male; Ornithine; Rats; Rats, Inbred Strains; Succinates; Urea; Valine | 1983 |
Role of N-acetylglutamate and acetyl-CoA in the inhibition of ureagenesis by isovaleric acid in isolated rat hepatocytes.
Topics: Acetyl Coenzyme A; Alanine; Animals; Glutamates; Hemiterpenes; In Vitro Techniques; Liver; Male; Ornithine; Pentanoic Acids; Rats; Rats, Inbred Strains; Urea; Valerates | 1983 |
Potentiation by piridoxilate of the synthesis of hippurate from benzoate in isolated rat hepatocytes. An approach to the determination of new pathways of nitrogen excretion in inborn errors of urea synthesis.
Topics: Alanine; Amino Acid Metabolism, Inborn Errors; Animals; Benzoates; Cells, Cultured; Dose-Response Relationship, Drug; Glycine; Glyoxylates; Hippurates; Liver; Male; Ornithine; Pyridoxine; Rats; Rats, Inbred Strains; Stimulation, Chemical; Urea | 1984 |
Urea cycle function in the dog with emphasis on the role of arginine.
Topics: Age Factors; Ammonia; Animals; Arginine; Blood Glucose; Citrulline; Dogs; Ornithine; Orotic Acid; Urea; Vomiting | 1984 |
Arginine metabolism and urea synthesis in cultured rat skeletal muscle cells.
Topics: Ammonia; Animals; Arginase; Arginine; Cells, Cultured; Chromatography, Thin Layer; Creatine; Muscles; Ornithine; Rats; Serine; Urea | 1982 |
Interaction between the urea cycle and the orotate pathway: studies with isolated hepatocytes.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Catalysis; In Vitro Techniques; Ligases; Liver; Male; Ornithine; Orotic Acid; Pyrimidines; Rats; Rats, Inbred Strains; Urea | 1983 |
Capacity of cyclic urea synthesis in neonatal rat liver.
Topics: Age Factors; Ammonium Chloride; Animals; Animals, Newborn; Argininosuccinate Synthase; Aspartic Acid; Female; Fetus; Glutamates; In Vitro Techniques; Kinetics; Liver; Male; Ornithine; Rats; Rats, Inbred Strains; Urea | 1983 |
Enzymes of arginine metabolism in the lizard Calotes versicolor.
Topics: 1-Pyrroline-5-Carboxylate Dehydrogenase; Animals; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Ligases; Lizards; Lyases; Ornithine; Ornithine Carbamoyltransferase; Ornithine Decarboxylase; Ornithine-Oxo-Acid Transaminase; Oxidoreductases Acting on CH-NH Group Donors; Proline Oxidase; Pyrroline Carboxylate Reductases; Urea | 1982 |
Hans Krebs and the discovery of the ornithine cycle.
Topics: Arginase; Biochemistry; Citric Acid Cycle; England; Germany; History, 20th Century; Ornithine; Urea | 1980 |
Sir Hans Krebs (1900-1981).
Topics: Biochemistry; Citric Acid Cycle; History, 20th Century; Humans; Metabolism; Ornithine; Urea | 1982 |
Production of ornithine by intact human erythrocytes.
Topics: Arginine; Erythrocytes; Humans; Kinetics; Ornithine; Urea | 1982 |
Methanethiol and fatty acids depress urea synthesis by the isolated perfused rat liver.
Topics: Animals; Carbamyl Phosphate; Fatty Acids, Nonesterified; Kinetics; Liver; Male; Ornithine; Perfusion; Rats; Sulfhydryl Compounds; Urea | 1982 |
A neonatal screening test for argininosuccinic acid lyase deficiency and other urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Arginine; Argininosuccinic Aciduria; Blood Specimen Collection; Citric Acid Cycle; Citrulline; Humans; Infant, Newborn; Lyases; Mass Screening; Ornithine; Urea | 1982 |
[Biosynthesis of guanidinosuccinic acid in isolated rat hepatocytes. II. Inhibition of its synthesis by urea cycle members and D, L-norvaline].
Topics: Animals; Guanidines; In Vitro Techniques; Isomerism; Liver; Male; Ornithine; Rats; Rats, Inbred Strains; Succinates; Urea; Valine | 1982 |
[On the biosynthesis of guanidinosuccinic acid in rat liver. Effect of urea, ornithine and D, L-norvaline].
Topics: Animals; Guanidines; Isomerism; Liver; Male; Ornithine; Rats; Rats, Inbred Strains; Succinates; Urea; Valine | 1982 |
Argininemia: report of a new case and mechanisms of orotic aciduria and hyperammonemia.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Child, Preschool; Female; Humans; Hyperargininemia; Ornithine; Orotic Acid; Purine-Pyrimidine Metabolism, Inborn Errors; Urea | 1982 |
Dynamism of rat liver ornithine metabolisms in relation to dietary high-protein stimulation of the urea cycle.
Topics: Animals; Arginine; Biological Transport, Active; Citrulline; Cytosol; Dietary Proteins; Liver; Mitochondria, Liver; Ornithine; Proline; Rats; Urea | 1982 |
Regulation of urea synthesis: changes in the concentration of ornithine in the liver corresponding to changes in urea synthesis.
Topics: Ammonium Chloride; Animals; Arginine; Citrulline; Dietary Proteins; Glutamates; Liver; Male; Ornithine; Rats; Rats, Inbred Strains; Stimulation, Chemical; Urea | 1982 |
Sciatectomic stimulation of muscle arginase and its implications.
Topics: Animals; Arginase; Muscle Denervation; Muscles; Ornithine; Ranidae; Sciatic Nerve; Urea | 1982 |
Metabolism of arginine in invertebrates: relation to urea cycle and to other guanidine derivatives.
Topics: Animals; Arginine; Glycine; Guanidines; Hydroxylamines; Invertebrates; Nitrogen; Ornithine; Pyrimidines; Urea | 1982 |
The differential contribution of arginase and transamidinase to ornithine biosynthesis in two achromic human melanoma cell lines.
Topics: Amidinotransferases; Arginase; Arginine; Cell Line; Glycine; Humans; Hydrogen-Ion Concentration; Melanoma; Ornithine; Urea | 1982 |
Urea & polyamine synthesis in rat liver: growth & differentiation.
Topics: Animals; Animals, Newborn; Liver; Liver Neoplasms, Experimental; Liver Regeneration; Ornithine; Polyamines; Rats; Urea | 1982 |
Urea cycle regulation: I. Coupling of ornithine metabolism to mitochondrial oxidative phosphorylation.
Topics: Adenosine Triphosphate; Ammonia; Animals; Citric Acid Cycle; Citrulline; Glutamate Dehydrogenase; Ketoglutaric Acids; Mitochondria, Liver; Ornithine; Ornithine-Oxo-Acid Transaminase; Oxidative Phosphorylation; Rats; Reye Syndrome; Urea | 1980 |
Regulation of pathways of ornithine metabolism. Effects of thyroid hormone and diabetes on the activity of enzymes at the "ornithine crossroads' in rat liver.
Topics: Animals; Cell Compartmentation; Diabetes Mellitus, Experimental; Hyperthyroidism; Liver; Male; Models, Biological; Ornithine; Rats; Thyroid Gland; Thyroxine; Urea | 1981 |
The treatment of inborn errors of the urea cycle.
Topics: Ammonia; Arginine; Humans; Metabolism, Inborn Errors; Ornithine; Urea | 1981 |
Ornithine metabolism in relation to stimulation of urea cycle, induced by high protein diet.
Topics: Animals; Arginine; Biological Transport; Cytosol; Dietary Proteins; Male; Mitochondria, Liver; Ornithine; Rats; Urea | 1981 |
Regulation of urea synthesis. The effect of ammonia on the N-acetylglutamate content of isolated rat liver cells.
Topics: Ammonium Chloride; Animals; Dietary Carbohydrates; Glutamates; Kinetics; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Starvation; Urea | 1981 |
Arginine, mitochondrial arginase, and the control of carbamyl phosphate synthesis.
Topics: Animals; Arginase; Arginine; Carbamates; Carbamyl Phosphate; Citrulline; In Vitro Techniques; Kinetics; Male; Mitochondria, Liver; Ornithine; Rats; Submitochondrial Particles; Urea | 1981 |
Control of urea synthesis in fetal rat liver slices.
Topics: Ammonium Chloride; Animals; Hydrocortisone; Hypophysectomy; In Vitro Techniques; Liver; Ornithine; Pituitary Gland; Rats; Urea | 1981 |
Changes in arginase, ornithine carbamyl transferase & arginine-related metabolites in chronic carbon tetrachloride toxicity.
Topics: Animals; Arginase; Arginine; Carbon Tetrachloride Poisoning; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Rats; Rats, Inbred Strains; Urea | 1981 |
Effect of palmitate on hepatic biosynthetic functions at hyperthermic temperatures.
Topics: Ammonium Chloride; Animals; Gluconeogenesis; Hot Temperature; Ketone Bodies; Lactates; Liver; Male; Ornithine; Oxygen Consumption; Palmitates; Palmitic Acids; Rats; Urea | 1980 |
Ethanol effects on albumin sythesis.
Topics: Acetaldehyde; Animals; Arginine; Ethanol; Fomepizole; In Vitro Techniques; Liver; Male; Ornithine; Perfusion; Polyribosomes; Pyrazoles; Rabbits; Serum Albumin; Spermine; Urea | 1980 |
Separation and estimation of arginine-related metabolites in tissues.
Topics: Animals; Arginine; Chromatography, Ion Exchange; Citrulline; Glutamates; Glutamine; Humans; Male; Ornithine; Polyamines; Proline; Rats; Urea | 1980 |
Role of argininosuccinate synthetase in the regulation of urea synthesis in the rat and argininosuccinate synthetase-associated metabolic disorder in man.
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Ammonium Chloride; Animals; Argininosuccinate Synthase; Citrulline; Dietary Proteins; Female; Glutamates; Humans; Ligases; Liver; Male; Middle Aged; Ornithine; Rats; Urea | 1980 |
Comparison of the urea cycle in conventional and germ-free mice.
Topics: Animals; Germ-Free Life; Liver; Mice; Mice, Inbred ICR; Ornithine; Urea | 1980 |
Developmental changes of free amino acid concentrations in fetal fluids of pigs.
Topics: Aging; Allantois; Amino Acids; Ammonia; Amniotic Fluid; Animals; Arginine; Female; Fetal Blood; Gestational Age; Glutamine; Glycine; Male; Ornithine; Placenta; Pregnancy; Swine; Urea; Uterus | 1995 |
Impaired arginine metabolism and NO synthesis in coronary endothelial cells of the spontaneously diabetic BB rat.
Topics: Animals; Arginine; Carbon Dioxide; Cells, Cultured; Coronary Vessels; Diabetes Mellitus, Type 1; Endothelium, Vascular; Enzymes; Nitric Oxide; Ornithine; Rats; Rats, Inbred BB; Urea | 1995 |
Treatment of ammonia intoxication in rats through the use of amino acids from the urea cycle.
Topics: Acetates; Analysis of Variance; Animals; Arginine; Citrulline; Injections, Intraperitoneal; Ketoglutaric Acids; Male; Ornithine; Poisoning; Rats; Rats, Wistar; Survival Rate; Urea | 1995 |
Metabolism of ornithine, alpha-ketoglutarate and arginine in isolated perfused rat liver.
Topics: Animals; Arginine; Glutamates; Ketoglutaric Acids; Liver; Male; Ornithine; Perfusion; Proline; Rats; Rats, Sprague-Dawley; Urea | 1995 |
Role of ornithine in urea synthesis in rats treated with thyroid hormone.
Topics: Animals; Glutamates; Liver; Male; Ornithine; Propylthiouracil; Rats; Rats, Wistar; Triiodothyronine; Urea | 1995 |
Dietary arginine deficiency and gut ammonium infusion alter flux of urea cycle intermediates across the portal-drained viscera of pigs.
Topics: Alanine; Animals; Arginine; Citrulline; Diet; Digestive System; Glutamic Acid; Glutamine; Lysine; Ornithine; Portal Vein; Quaternary Ammonium Compounds; Regional Blood Flow; Swine; Urea; Viscera | 1995 |
Dietary citrulline but not ornithine counteracts dietary arginine deficiency in rats by increasing splanchnic release of citrulline.
Topics: Alanine; Amino Acids; Ammonia; Animals; Arginine; Blood Flow Velocity; Body Weight; Citrulline; Creatinine; Diet; Food; Glutamic Acid; Glutamine; Male; Ornithine; Orotic Acid; Proline; Rats; Rats, Sprague-Dawley; Splanchnic Circulation; Urea | 1994 |
Hyperammonemia in Marasmic children.
Topics: Alanine Transaminase; Ammonia; Arginine; Aspartate Aminotransferases; Citrulline; Humans; Infant; Ornithine; Protein-Energy Malnutrition; Urea | 1994 |
Urea production by kidney collecting ducts in vitro: effect of amino acid addition.
Topics: Amino Acids; Amino Acids, Branched-Chain; Animals; Arginase; Glutamine; In Vitro Techniques; Kidney Tubules, Collecting; Male; Ornithine; Rats; Rats, Sprague-Dawley; Urea | 1994 |
Carbamoyl phosphate and ureagenesis are not involved in amino-acid-stimulated glycogenesis.
Topics: Amino Acids; Ammonia; Animals; Carbamyl Phosphate; Cells, Cultured; Glucose; Glycogen; Hypotonic Solutions; Liver; Male; Ornithine; Phosphorylation; Picolinic Acids; Rats; Rats, Wistar; Urea | 1994 |
Reciprocal changes in gluconeogenesis and ureagenesis induced by fatty acid oxidation.
Topics: Ammonium Chloride; Animals; Caprylates; Cytosol; Enzyme Activation; Gluconeogenesis; Lactates; Liver; Male; NAD; Ornithine; Oxidation-Reduction; Perfusion; Pyruvate Dehydrogenase Complex; Rats; Rats, Wistar; Urea | 1993 |
Plasma arginine kinetics in adult man: response to an arginine-free diet.
Topics: Adult; Arginine; Carbon Isotopes; Chromatography, High Pressure Liquid; Citrulline; Deuterium; Fasting; Food, Formulated; Humans; Infusions, Intravenous; Keto Acids; Leucine; Male; Nitrogen Isotopes; Ornithine; Time Factors; Urea | 1994 |
Arginine synthesis in mouse and rabbit nephron: localization and functional significance.
Topics: Animals; Arginine; Kidney Tubules; Male; Mice; Mice, Inbred Strains; Nephrons; Ornithine; Rabbits; Tissue Distribution; Urea | 1993 |
Interrelationships between ureogenesis and gluconeogenesis in perfused rat liver.
Topics: Ammonium Chloride; Animals; Dichloroacetic Acid; Gluconeogenesis; Glucose; Hydrogen-Ion Concentration; Lactates; Lactic Acid; Liver; Male; Oleic Acid; Oleic Acids; Ornithine; Perfusion; Pyruvates; Pyruvic Acid; Rats; Rats, Wistar; Time Factors; Urea | 1993 |
Effects of inhibition of ornithine aminotransferase on thioacetamide-induced hepatogenic encephalopathy.
Topics: Amino Acids; Animals; Behavior, Animal; Brain; Citrulline; gamma-Aminobutyric Acid; Hepatic Encephalopathy; Liver; Male; Mice; Motor Activity; Ornithine; Ornithine-Oxo-Acid Transaminase; Thioacetamide; Urea | 1993 |
Regulation of urea and citrulline synthesis under physiological conditions.
Topics: Amino Acids; Ammonia; Animals; Citrulline; Glutamates; Male; Mitochondria, Liver; Nitrogen; Ornithine; Rats; Rats, Sprague-Dawley; Urea | 1993 |
Urea synthesis in enterocytes of developing pigs.
Topics: Ammonia; Ammonium Chloride; Animals; Animals, Newborn; Animals, Suckling; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Carbamyl Phosphate; Chromatography, High Pressure Liquid; Citrulline; Glutamine; Intestinal Mucosa; Intestines; Ornithine; Ornithine Carbamoyltransferase; Swine; Urea; Weaning | 1995 |
Cryptogenic hepatitis masking the diagnosis of ornithine transcarbamylase deficiency.
Topics: Absorption; Ammonia; Arginine; Child, Preschool; Citrulline; Diagnosis, Differential; Dietary Proteins; Female; Glutamine; Hepatitis; Humans; Infant; Lysine; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Urea | 1996 |
Ornithine-alpha-ketoglutarate (OKG) supplementation is more effective than its component salts in traumatized rats.
Topics: Amino Acids; Animals; Body Weight; Creatinine; Diet; Disease Models, Animal; Eating; Femoral Fractures; Food, Fortified; Glutamine; Glycine; Growth Hormone; Insulin; Ketoglutaric Acids; Male; Muscle, Skeletal; Nitrogen; Ornithine; Random Allocation; Rats; Rats, Sprague-Dawley; Urea; Wounds and Injuries | 1996 |
Ciliated cultured dermal fibroblasts in a patient with hyperornithinemia, hyperammonemia and homocitrullinuria (HHH) syndrome.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Cells, Cultured; Cilia; Citrulline; Endoplasmic Reticulum, Rough; Fibroblasts; Humans; Microscopy, Electron; Mitochondria; Ornithine; Skin; Syndrome; Urea | 1995 |
Citrulline and arginine increase the growth of the Ward colon tumor in parenterally fed rats.
Topics: Animals; Arginine; Citrulline; Colonic Neoplasms; Glutamine; Male; Ornithine; Parenteral Nutrition; Rats; Rats, Inbred F344; Taurine; Urea | 1996 |
A simple micro-method for determining urea cycle intermediates in blood: ornithine, arginine and argininosuccinic acid.
Topics: Adult; Arginine; Argininosuccinic Acid; Hemoglobins; Humans; Infant; Microchemistry; Ornithine; Protein Denaturation; Urea | 1996 |
The urea cycle of Helicobacter pylori.
Topics: Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Argininosuccinic Acid; Carbamyl Phosphate; Helicobacter pylori; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Time Factors; Urea | 1996 |
Glucocorticoids play an important role in mediating the enhanced metabolism of arginine and glutamine in enterocytes of postweaning pigs.
Topics: Aging; Ammonia; Animals; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbon Dioxide; Cells, Cultured; DNA; Enzyme Induction; Female; Glucocorticoids; Glutamine; Hydrocortisone; Jejunum; Male; Mifepristone; Ornithine; Proline; Receptors, Glucocorticoid; Swine; Urea; Weaning | 1997 |
Role of ornithine transport into mitochondria in urea synthesis of rats treated in thyroid hormone.
Topics: Animals; Biological Transport; Lysine; Male; Mitochondria, Liver; Ornithine; Rats; Rats, Wistar; Triiodothyronine; Urea | 1997 |
[Evaluation of the effect of long term valproic acid treatment on plasma levels of carnitine, ammonia and amino acids related to the urea cycle in pediatric epileptic patients].
Topics: Adolescent; Amino Acids; Ammonia; Anticonvulsants; Carnitine; Child; Child, Preschool; Epilepsy; Glutamine; Glycine; Humans; Infant; Infant, Newborn; Ornithine; Prospective Studies; Retrospective Studies; Urea; Valproic Acid | 1997 |
Arginine deficiency in bile duct-ligated rats after surgery: the role of plasma arginase and gut endotoxin restriction.
Topics: Animals; Arginase; Arginine; Cholestasis; Cholestyramine Resin; Common Bile Duct; Endotoxemia; Hematocrit; Kidney; Liver; Male; Nitrates; Nitrites; Ornithine; Postoperative Complications; Rats; Rats, Wistar; Regression Analysis; Urea | 1997 |
Urea recycling in sheep: effects of intake.
Topics: Animals; Digestive System; Eating; Male; Models, Biological; Nitrogen; Nitrogen Isotopes; Ornithine; Sheep; Statistics as Topic; Urea | 1998 |
Studies of arginine metabolism and salt sensitivity in the Dahl/Rapp rat models of hypertension.
Topics: Alanine; Animals; Arginine; Argininosuccinate Synthase; Blood Pressure; Body Weight; Citrulline; Disease Models, Animal; Hypertension; Kidney; Liver; Male; Ornithine; Rats; Sodium Chloride, Dietary; Urea | 1998 |
NG-hydroxy-L-arginine and nitric oxide inhibit Caco-2 tumor cell proliferation by distinct mechanisms.
Topics: Animals; Aorta; Arginase; Arginine; Caco-2 Cells; Cell Division; Coculture Techniques; DNA; Endothelium, Vascular; Humans; Nitric Oxide; Nitric Oxide Donors; Ornithine; Ornithine Decarboxylase; Oxadiazoles; Polyamines; Putrescine; Quinoxalines; Rats; Spermidine; Spermine; Thymidine; Triazenes; Urea | 1998 |
Hypoglycemia-associated hyperammonemia caused by impaired expression of ornithine cycle enzyme genes in C/EBPalpha knockout mice.
Topics: Ammonia; Animals; Blood Glucose; CCAAT-Enhancer-Binding Proteins; DNA-Binding Proteins; Genes, Lethal; Gluconeogenesis; Hypoglycemia; In Situ Hybridization; Liver; Mice; Mice, Knockout; Models, Biological; Nuclear Proteins; Ornithine; Urea | 1998 |
Role of ornithine in the N-acetylglutamate turnover in the liver of rats.
Topics: Animals; Body Weight; Diet; Glutamates; Half-Life; Liver; Male; Organ Size; Ornithine; Rats; Rats, Wistar; Urea | 1999 |
Arginine dihydrolase pathway in Lactobacillus plantarum from orange.
Topics: Ammonia; Arginine; Beverages; Citrulline; Citrus; Colorimetry; Glucose; Hydrogen-Ion Concentration; Hydrolases; Lactobacillus; Ornithine; Spectrophotometry; Urea | 1999 |
Aberrations of ammonia metabolism in ornithine carbamoyltransferase-deficient spf-ash mice and their prevention by treatment with urea cycle intermediate amino acids and an ornithine aminotransferase inactivator.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Ammonium Chloride; Animals; Arginine; Citrulline; Enzyme Inhibitors; Injections, Intraperitoneal; Liver; Male; Mice; Mice, Transgenic; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Perfusion; Urea | 1999 |
Arginine catabolism in the cyanobacterium Synechocystis sp. Strain PCC 6803 involves the urea cycle and arginase pathway.
Topics: Arginase; Arginine; Carbon Radioisotopes; Cyanobacteria; Ornithine; Proline; Urea | 2000 |
Influence of hepatic ammonia removal on ureagenesis, amino acid utilization and energy metabolism in the ovine liver.
Topics: Amino Acids; Ammonia; Animals; Energy Metabolism; Liver; Male; Ornithine; Portal System; Sheep; Urea | 2000 |
Functional ureogenesis in the gobiid fish Mugilogobius abei.
Topics: Amino Acid Sequence; Ammonia; Animals; Anti-Bacterial Agents; Carbon-Nitrogen Ligases; Citrulline; Female; Gills; Glutamate-Ammonia Ligase; Glutamine; Kinetics; Liver; Male; Molecular Sequence Data; Muscles; Nitrogen; Ornithine; Perciformes; RNA, Messenger; Seawater; Sequence Alignment; Skin; Urea; Uric Acid | 2000 |
Mechanistic and metabolic inferences from the binding of substrate analogues and products to arginase.
Topics: Amino Acid Substitution; Animals; Arginase; Arginine; Binding, Competitive; Catalysis; Crystallography, X-Ray; Cysteine; Enzyme Inhibitors; Histidine; Macromolecular Substances; Models, Molecular; Mutagenesis, Site-Directed; Ornithine; Rats; Recombinant Proteins; Structure-Activity Relationship; Substrate Specificity; Urea | 2001 |
Plasma levels of arginine, ornithine, and urea and growth performance of broilers fed supplemental L-arginine during cool temperature exposure.
Topics: Animals; Arginase; Arginine; Ascites; Chickens; Chromatography, High Pressure Liquid; Dietary Supplements; Kidney; Male; Mortality; Ornithine; Temperature; Time Factors; Urea; Weight Gain | 2001 |
Expression, purification, and characterization of human type II arginase.
Topics: Arginase; Arginine; Binding, Competitive; Catalysis; Cations, Divalent; Chromatography, Gel; Chromatography, Ion Exchange; DNA, Complementary; Electron Spin Resonance Spectroscopy; Electrophoresis, Polyacrylamide Gel; Enzyme Inhibitors; Enzyme Stability; Gene Expression; Humans; Hydrogen-Ion Concentration; Isoenzymes; Mitochondria; Ornithine; Polymerase Chain Reaction; Recombinant Proteins; Sequence Analysis, Protein; Urea | 2001 |
Liver nitrogen movements during short-term infusion of high levels of ammonia into the mesenteric vein of sheep.
Topics: Amino Acids; Amino Acids, Branched-Chain; Ammonia; Analysis of Variance; Animals; Biological Transport; Cross-Over Studies; Glutamic Acid; Infusions, Intravenous; Liver; Male; Mesenteric Veins; Nitrogen; Ornithine; Sheep; Time Factors; Urea | 2001 |
Improving treatment of guanidinoacetate methyltransferase deficiency: reduction of guanidinoacetic acid in body fluids by arginine restriction and ornithine supplementation.
Topics: Amino Acid Metabolism, Inborn Errors; Arginine; Child; Child, Preschool; Creatine; Dietary Supplements; Female; Glycine; Guanidinoacetate N-Methyltransferase; Humans; Infant; Methyltransferases; Ornithine; Urea | 2001 |
Nitrogen metabolism and excretion in the mangrove killifish Rivulus marmoratus II. Significant ammonia volatilization in a teleost during air-exposure.
Topics: Air; Amino Acids; Ammonia; Animals; Arginase; Carbon-Nitrogen Ligases; Fundulidae; Gills; Glutamic Acid; Glutamine; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Urea; Volatilization | 2002 |
Hormonal induction of hepatic mitochondrial ornithine/citrulline transporter mRNA.
Topics: Amino Acid Transport Systems, Basic; Animals; Biological Transport; Cells, Cultured; Citrulline; Cyclic AMP; Cycloheximide; Dexamethasone; Glucocorticoids; Hepatocytes; Male; Mitochondria, Liver; Mitochondrial Membrane Transport Proteins; Models, Biological; Ornithine; Protein Biosynthesis; Protein Synthesis Inhibitors; Proteins; Rats; Rats, Sprague-Dawley; RNA, Messenger; Time Factors; Transcriptional Activation; Urea | 2002 |
Effects of ornithine alpha-ketoglutarate on circulatory antioxidants and lipid peroxidation products in ammonium acetate treated rats.
Topics: Acetates; Analysis of Variance; Animals; Antioxidants; Ascorbic Acid; Hyperammonemia; Lipid Peroxidation; Lipids; Liver; Nitrogen; Ornithine; Rats; Rats, Wistar; Thiobarbituric Acid Reactive Substances; Urea; Vitamin E | 2002 |
Role of N-acetylglutamate concentration and ornithine transport into mitochondria in urea synthesis of rats given proteins of different quality.
Topics: Animals; Biological Transport; Caseins; Dietary Proteins; Egg Proteins; Glutamates; Glutens; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Rats, Wistar; Urea | 2002 |
Effect of cardiopulmonary bypass on urea cycle intermediates and nitric oxide levels after congenital heart surgery.
Topics: Arginine; Blood Urea Nitrogen; Cardiopulmonary Bypass; Citrulline; Female; Heart Defects, Congenital; Humans; Infant; Infant, Newborn; Male; Nitric Oxide; Ornithine; Urea | 2003 |
Effect of arginine, ornithine and citrulline supplementation upon performance and metabolism of trained rats.
Topics: Ammonia; Animals; Arginine; Citrulline; Dietary Supplements; Glutamate-Ammonia Ligase; Glutamine; Glycogen; Liver; Male; Muscle, Skeletal; Ornithine; Rats; Rats, Wistar; Swimming; Urea | 2003 |
Inhibition of arginine synthesis by urea: a mechanism for arginine deficiency in renal failure which leads to increased hydroxyl radical generation.
Topics: Animals; Arginine; Cells, Cultured; Dose-Response Relationship, Drug; Guanidines; Hepatocytes; Hydroxyl Radical; Male; Models, Biological; Molsidomine; Nitric Oxide; Nitric Oxide Donors; Ornithine; Oxygen; Rats; Rats, Wistar; Reactive Oxygen Species; Renal Insufficiency; Succinates; Urea | 2003 |
Metabolic interactions between restraint stress and L-lysine: the effect on urea cycle components.
Topics: Animals; Arginine; Irritable Bowel Syndrome; Lysine; Male; Ornithine; Rats; Rats, Wistar; Restraint, Physical; Stress, Physiological; Urea | 2003 |
Oral supplementation corrects plasma lysine concentrations in lysinuric protein intolerance.
Topics: Absorption; Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Citrulline; Female; Humans; Intestinal Absorption; Kidney Tubules; Kinetics; Lysine; Male; Nitrogen; Ornithine; Reference Values; Urea | 2003 |
The osmotic response of the Asian freshwater stingray (Himantura signifer) to increased salinity: a comparison with marine (Taeniura lymma) and Amazonian freshwater (Potamotrygon motoro) stingrays.
Topics: Acclimatization; Amino Acids; Ammonia; Analysis of Variance; Animals; Carbon-Nitrogen Ligases; Fresh Water; Glutamate-Ammonia Ligase; Ornithine; Seawater; Skates, Fish; Urea; Water-Electrolyte Balance | 2003 |
The role of ornithine and citrulline in urea synthesis.
Topics: Amino Acids; Citrulline; Liver; Ornithine; Urea | 1955 |
Treatment of hepatic coma: use of certain Krebs' urea cycle intermediates (L-arginine, DL-ornithine).
Topics: Amino Acids; Ammonia; Arginine; Citric Acid Cycle; Hepatic Encephalopathy; Humans; Ornithine; Urea | 1958 |
[Synthesis of urea from carbamylaspartic acid and ornithine and from citrulline and aspartic acid in the presence of rat liver slices and homogenates].
Topics: Amino Acids; Animals; Aspartic Acid; Citrulline; Liver; Ornithine; Rats; Urea | 1959 |
[Urea synthesis by way of the ornithine cycle in young barley roots].
Topics: Edible Grain; Hordeum; Ornithine; Plant Structures; Urea | 1963 |
The effect of alfa-D,L-methylaspartate on ornithine cycle reactions and urea excretion in rats.
Topics: Animals; Aspartic Acid; Body Fluids; Ornithine; Rats; Urea | 1963 |
[THE DEAMINATION OF SEVERAL AMINO ACIDS IN THE LIVER OF EMBRYOS DURING THE TRANSITION FROM UREOTELISM TO URICOTELISM].
Topics: Amino Acids; Aspartic Acid; Chick Embryo; Cysteine; Deamination; Glutamates; Histidine; Hydroxylamines; Liver; Ornithine; Pharmacology; Proteins; Research; Urea; Uric Acid; Valine | 1963 |
PURINE CATABOLISM, A SOURCE OF ENDOGENOUSLY FORMED UREA IN HOMOGENATES OF AMPHIBIAN KIDNEY.
Topics: Acetates; Amino Acids; Amphibians; Animals; Anura; Arginine; Kidney; Leucine; Lysine; Metabolism; Ornithine; Pharmacology; Purines; Research; Urea; Uric Acid | 1963 |
UREA BIOSYNTHESIS IN INVERTEBRATES. (14C)UREA FORMATION IN THE LAND SNAIL AND EARTHWORM.
Topics: Amylases; Animals; Annelida; Arginase; Barium; Carbon Isotopes; Chlorides; Helix, Snails; Ligases; Metabolism; Oligochaeta; Ornithine; Radioisotopes; Research; Snails; Sulfates; Tritium; Urea | 1963 |
FORMATION OF UREA IN LIVER HOMOGENATES FROM CITRULLINE AND VARIOUS N-ALKYL DERIVATIVES OF ASPARTIC ACID.
Topics: Amino Acids; Aspartic Acid; Citrulline; Digestion; Liver; Metabolism; Ornithine; Rats; Research; Urea | 1963 |
[THE PROBLEM OF THE SPECIFICITY OF GUANIDINE FOR THE DEVELOPMENT OF A GUANIDINE-REQUIRING MUTANT OF POLIOVIRUS].
Topics: Adenine; Amino Acids; Arginine; Creatine; Creatinine; Enterovirus C, Human; Glycine; Guanidine; Guanidines; Hydrazines; Metabolism; Mutation; Ornithine; Poliovirus; Research; Uracil; Urea | 1963 |
UREA FORMATION AND UREA CYCLE ENZYMES IN THE CESTODE, HYMENOLEPIS DIMINUTA.
Topics: Amino Acids; Ammonia; Animals; Arginase; Bicarbonates; Carbon Isotopes; Cestoda; Citrulline; Hymenolepis diminuta; Magnesium; Manganese; Metabolism; Ornithine; Research; Transferases; Urea | 1963 |
ORNITHINE TRANSCARBAMYLASE AND ARGINASE ACTIVITY IN FLATWORMS.
Topics: Amino Acids; Animals; Arginase; Biological Assay; Cestoda; Citrulline; Helminths; Metabolism; Ornithine; Ornithine Carbamoyltransferase; Platyhelminths; Proteins; Research; Transferases; Trematoda; Urea | 1963 |
ON THE MECHANISM OF AMMONIA DETOXICATION BY L-ORNITHINE AND L-ASPARTATE.
Topics: Ammonia; Aspartic Acid; Blood Chemical Analysis; Enzyme Inhibitors; Ligases; Liver; Ornithine; Pharmacology; Rats; Research; Seizures; Toxicology; Urea | 1964 |
ON THE DETERMINATION OF ORNITHINE-CARBAMYL-TRANSFERASE ACTIVITY.
Topics: Amino Acids; Blood Chemical Analysis; Carbamates; Chemistry Techniques, Analytical; Citrulline; Humans; Ornithine; Research; Transferases; Urea | 1964 |
THE SYNTHESIS OF UREA IN THE BRAIN.
Topics: Alanine; Amino Acids; Aminobutyrates; Ammonia; Aspartic Acid; Brain; Carbon Isotopes; Citrulline; Ornithine; Proteins; Rats; Research; Tissue Culture Techniques; Urea | 1963 |
[REMARKS ON ISATIN-BETA-THIOSEMICARBAZONE AND ON SEVERAL INHIBITORS OF VIRAL DEVELOPMENT].
Topics: Antiviral Agents; Arginine; Citrulline; Creatine; Creatinine; Enterovirus C, Human; Glutamine; Glycine; Guanidine; Guanidines; Indoles; Isatin; Mutation; Ornithine; Pharmacology; Poliovirus; Thiosemicarbazones; Thiourea; Uracil; Urea | 1964 |
EFFECT OF BETA-METHYLASPARTATE ON ORNITHINE CYCLE REACTIONS.
Topics: Amino Acids; Antimetabolites; Aspartic Acid; Citrulline; Liver; Ornithine; Pharmacology; Rats; Research; Urea | 1964 |
STUDIES OF RAT LIVER AND KIDNEY ENZYMES. I. RESPONSE TO MASSIVE INTRAGASTRIC DOSES OF CHRONICALLY ADMINISTERED NITROGENOUS SUBSTANCES.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Brain Diseases; Enzymes; Glutamates; Glutamine; Injections; Kidney; Liver; Liver Diseases; Nitrogen; Ornithine; Rats; Research; Stomach; Transaminases; Urea | 1964 |
[ARGINASE ACTIVITY DURING THE EMBRYONIC DEVELOPMENT OF THE ALBINO RAT (RATTUS NORWEGICUS)].
Topics: Aging; Amniotic Fluid; Arginase; Arginine; Blood; Brain; Embryo, Mammalian; Embryo, Nonmammalian; Female; Liver; Ornithine; Placenta; Pregnancy; Proteins; Rats; Research; Urea | 1963 |
ARGININE AS A PRECURSOR OF PYRIMIDINES IN STRAIN L-929 FIBROBLASTS INFECTED WITH PLEUROPNEUMONIA-LIKE ORGANISMS.
Topics: Arginase; Arginine; Aspartic Acid; Carbamates; Carbon Isotopes; Connective Tissue; Fibroblasts; Glutamine; Ligases; Metabolism; Mycoplasma; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Phosphates; Phosphotransferases; Proline; Proteins; Pyrimidines; Research; Thymidine; Tissue Culture Techniques; Uracil; Urea; Ureohydrolases | 1964 |
[DETECTION OF ENZYMES OF THE UREOGENESIS CYCLE IN THE SNAIL HELIX POMATIA L].
Topics: Animals; Bicarbonates; Carbon Dioxide; Carbon Isotopes; Chromatography; Citrulline; Glycine; Ion Exchange Resins; Liver; Metabolism; Ornithine; Ornithine Carbamoyltransferase; Pancreas; Phosphates; Research; Snails; Tritium; Urea | 1964 |
UREA CYCLE IN THE LIVER OF THE HYPERTHYROID RAT.
Topics: Arginase; Clinical Enzyme Tests; Hyperthyroidism; Ligases; Liver; Ornithine; Ornithine Carbamoyltransferase; Rats; Research; Transferases; Urea | 1964 |
PHARMACOLOGICAL STUDY ON L-ORNITHINE L-ASPARTATE.
Topics: Alanine Transaminase; Ammonia; Ammonium Chloride; Aspartate Aminotransferases; Aspartic Acid; Blood; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Clinical Enzyme Tests; D-Alanine Transaminase; Dogs; Hepatitis; Mice; Ornithine; Paralysis; Research; Sulfobromophthalein; Toxicology; Urea | 1964 |
MECHANISM OF THE PROTECTION BY L-ORNITHINE-L-ASPARTATE MIXTURE AND BY L-ARGININE IN AMMONIA INTOXICATION.
Topics: Ammonia; Arginine; Aspartic Acid; Chemical and Drug Induced Liver Injury; Dipeptides; Hepatitis; Ligases; Metabolism; Ornithine; Pharmacology; Rats; Research; Toxicology; Urea | 1964 |
TRANSCARBAMYLASE ACTIVITY IN FETAL LIVER AND IN LIVER OF PARTIALLY HEPATECTOMIZED PARABIOTIC RATS.
Topics: Cell Division; Enzyme Precursors; Erythrocyte Count; Fetus; Guinea Pigs; Hepatectomy; Ligases; Liver; Liver Diseases; Liver Regeneration; Nucleosides; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Parabiosis; Pyrimidines; Rats; Research; Transferases; Uracil; Urea; Uridine | 1965 |
DEVELOPMENT OF UREA-CYCLE ENZYMES IN THE JUVENILE RAT: EFFECT OF LONG-TERM ADMINISTRATION OF L-MONOSODIUM GLUTAMATE AND AMMONIUM ACETATE.
Topics: Acetates; Ammonium Compounds; Arginase; Arginine; Blood; Glutamates; Ligases; Liver; Metabolism; Ornithine; Ornithine Carbamoyltransferase; Pharmacology; Phosphates; Phosphotransferases; Quaternary Ammonium Compounds; Rats; Research; Sodium; Sodium Glutamate; Transferases; Urea | 1965 |
[BIOSYNTHESIS OF UREA IN THE RAT. I. IN VITRO TRIALS WITH LIVER HOMOGENATES].
Topics: Adenosine Triphosphate; Amino Acids; Aspartic Acid; Carbamates; Chemistry Techniques, Analytical; Chromatography; Citrulline; Colorimetry; In Vitro Techniques; Liver; Ornithine; Rats; Research; Urea | 1965 |
THE REGULATION OF UREA-BIOSYNTHESIS ENZYMES IN VERTEBRATES.
Topics: Amino Acids; Animals; Anura; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Biological Evolution; Carbon-Nitrogen Ligases; Fluids and Secretions; Ligases; Liver; Metabolism; Mice; Microsomes; Multienzyme Complexes; Ornithine; Ornithine Carbamoyltransferase; Physiology, Comparative; Ranidae; Rats; Reptiles; Research; Species Specificity; Urea; Urodela; Vertebrates | 1965 |
RECENT DEVELOPMENTS IN THE UNDERSTANDING OF AMINO-ACID AND PROTEIN METABOLISM BY SCHISTOSOMA MANSONI IN VITRO.
Topics: Alanine; Amino Acids; Animals; Arginase; Arginine; Aspartic Acid; Carbon Isotopes; Glucose; Hemoglobins; Histidine; In Vitro Techniques; Ornithine; Peptides; Proline; Proteins; Radiometry; Research; Schistosoma; Schistosoma mansoni; Tryptophan; Urea | 1965 |
ARGININE AND UREA BIOSYNTHESIS IN THE EARTHWORM LUMBRICUS TERRESTRIS.
Topics: Amino Acids; Animals; Annelida; Arginine; Bicarbonates; Chromatography; Citrulline; Intestines; Ligases; Lyases; Oligochaeta; Ornithine; Ornithine Carbamoyltransferase; Research; Starvation; Urea | 1965 |
INFLUENCE OF PANCREATIC HORMONES ON ENZYMES CONCERNED WITH UREA SYNTHESIS IN RAT LIVER.
Topics: Amino Acids; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbon-Nitrogen Ligases; Diabetes Mellitus, Experimental; Glucagon; Insulin; Insulin, Long-Acting; Ligases; Liver; Lyases; Multienzyme Complexes; Ornithine; Ornithine Carbamoyltransferase; Pancreatic Hormones; Pharmacology; Protamines; Rats; Research; Urea | 1965 |
Mathematical modelling of the urea cycle. A numerical investigation into substrate channelling.
Topics: Arginase; Arginine; Argininosuccinate Lyase; Models, Biological; Models, Theoretical; Ornithine; Urea | 2003 |
Characterization of bis(levuglandinyl) urea derivatives as products of the reaction between prostaglandin H2 and arginine.
Topics: Aldehydes; Amyloid beta-Peptides; Arginine; Guanidine; Histones; Humans; Lysine; Ornithine; Peptide Fragments; Prostaglandin H2; Prostaglandins E; Schiff Bases; Serum Albumin; Spectrometry, Mass, Electrospray Ionization; Urea | 2004 |
Urea synthesis by ruminal epithelial and duodenal mucosal cells from growing sheep.
Topics: Ammonia; Animals; Arginase; Arginine; Aspartic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Cells, Cultured; Citrulline; Duodenum; Enzyme Activation; Epithelial Cells; Gastric Mucosa; Intestinal Mucosa; Ornithine; Rumen; Sheep; Urea | 2004 |
Localization and differential expression of arginase II in the kidney of male and female mice.
Topics: Animals; Arginase; Arginine; Carbon Radioisotopes; Cytosol; Female; Gene Expression Regulation, Enzymologic; Glutamic Acid; Glutamine; Kidney Tubules; Male; Mice; Mice, Inbred Strains; Mitochondria; Molecular Sequence Data; Ornithine; Putrescine; RNA, Messenger; Sex Characteristics; Urea | 2005 |
The ornithine cycle enzyme arginase from Agaricus bisporus and its role in urea accumulation in fruit bodies.
Topics: Agaricus; Amino Acid Sequence; Arginase; Base Sequence; Blotting, Northern; Fruiting Bodies, Fungal; Molecular Sequence Data; Ornithine; Phylogeny; RNA, Messenger; Sequence Analysis, Protein; Urea | 2005 |
Arginine synthesis does not occur during first-pass hepatic metabolism in the neonatal piglet.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Animals, Newborn; Arginine; Blood Urea Nitrogen; Deuterium; Enteral Nutrition; Liver; Male; Ornithine; Proline; Random Allocation; Swine; Urea | 2005 |
Expression of four glutamine synthetase genes in the early stages of development of rainbow trout (Oncorhynchus mykiss) in relationship to nitrogen excretion.
Topics: Ammonia; Animals; Egg Yolk; Gene Expression; Glutamate-Ammonia Ligase; Glutamine; Isoenzymes; Larva; Liver; Muscle, Skeletal; Nitrogen; Oncorhynchus mykiss; Ornithine; RNA, Messenger; Urea | 2005 |
Ornithine-urea cycle and urea synthesis in African lungfishes, Protopterus aethiopicus and Protopterus annectens, exposed to terrestrial conditions for six days.
Topics: Air; Animals; Arginase; Carbamoyl-Phosphate Synthase (Ammonia); Evolution, Molecular; Fishes; Liver; Mitochondria; Ornithine; Species Specificity; Urea | 2005 |
Studies on excretion of urea by the toad kidney.
Topics: Animals; Bufo arenarum; Kidney; Liver; Ornithine; Urea | 1967 |
Urea cycle of Fasciola gigantica: purification and characterization of arginase.
Topics: Amino Acids; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Cations; Fasciola; Humans; Hydrogen-Ion Concentration; Metals; Ornithine; Ornithine Carbamoyltransferase; Sheep; Substrate Specificity; Temperature; Urea | 2005 |
Expression of ornithine-urea cycle enzymes in early life stages of air-breathing walking catfish Clarias batrachus and induction of ureogenesis under hyper-ammonia stress.
Topics: Air; Ammonia; Animals; Carbon-Nitrogen Ligases; Catfishes; Egg Yolk; Embryo, Nonmammalian; Fertilization; Glutamate-Ammonia Ligase; Life Cycle Stages; Ornithine; Urea | 2006 |
In hepatocytes the regulation of NOS-2 activity at physiological L-arginine levels suggests a close link to the urea cycle.
Topics: Amino Acid Transport Systems, Basic; Animals; Arginase; Arginine; Base Sequence; Cells, Cultured; Cytokines; Dose-Response Relationship, Drug; Enzyme Inhibitors; Hepatocytes; Inflammation; Lysine; Male; Nitric Oxide; Nitric Oxide Synthase Type II; Ornithine; Rats; Rats, Wistar; Urea; Valine | 2006 |
Ornithine restores ureagenesis capacity and mitigates hyperammonemia in Otc(spf-ash) mice.
Topics: Amino Acids; Animals; Glutamine; Hyperammonemia; Mice; Ornithine; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 2006 |
Postprandial increases in nitrogenous excretion and urea synthesis in the Chinese soft-shelled turtle, Pelodiscus sinensis.
Topics: Ammonia; Animal Feed; Animals; Brain; Eating; Fatty Acids, Nonesterified; Gastric Mucosa; Glutamate-Ammonia Ligase; Glutamine; Intestinal Mucosa; Liver; Muscle, Skeletal; Nitrogen; Ornithine; Postprandial Period; Turtles; Urea | 2007 |
Active ammonia transport and excretory nitrogen metabolism in the climbing perch, Anabas testudineus, during 4 days of emersion or 10 minutes of forced exercise on land.
Topics: Amino Acids; Ammonia; Animal Migration; Animals; Biological Transport, Active; Energy Metabolism; Glutamate-Ammonia Ligase; Liver; Metabolic Networks and Pathways; Motor Activity; Nitrogen; Ornithine; Oxygen Consumption; Perches; Urea | 2006 |
Arginine and urea metabolism in the liver graft: A study using microdialysis in human orthotopic liver transplantation.
Topics: Adolescent; Adult; Aged; Arginine; Brain Death; Cadaver; Citrulline; gamma-Aminobutyric Acid; Glutamic Acid; Glutamine; Humans; Liver Transplantation; Microdialysis; Middle Aged; Ornithine; Tissue Donors; Urea | 2006 |
Coadministration of ornithine and alpha-ketoglutarate is no more effective than ornithine alone as an arginine precursor in piglets enterally fed an arginine-deficient diet.
Topics: Administration, Oral; Ammonia; Animals; Arginine; Ketoglutaric Acids; Male; Ornithine; Swine; Urea | 2007 |
Is urea pulsing in toadfish related to environmental O2 or CO2 levels?
Topics: Animals; Batrachoidiformes; Carbon Dioxide; Chemoreceptor Cells; Environment; Hypoxia; Ornithine; Oxygen; Partial Pressure; Receptors, Serotonin; Serotonin; Sodium Cyanide; Urea | 2007 |
MKP-1 switches arginine metabolism from nitric oxide synthase to arginase following endotoxin challenge.
Topics: Animals; Arginase; Arginine; Cell Cycle Proteins; Cell Line; Dual Specificity Phosphatase 1; Gene Expression Regulation, Enzymologic; Immediate-Early Proteins; Inflammation; JNK Mitogen-Activated Protein Kinases; Lipopolysaccharides; Macrophages, Peritoneal; Mice; Mice, Knockout; Nitric Oxide; Nitric Oxide Synthase Type II; Ornithine; p38 Mitogen-Activated Protein Kinases; Phosphoprotein Phosphatases; Protein Kinase Inhibitors; Protein Phosphatase 1; Protein Tyrosine Phosphatases; RNA, Messenger; Time Factors; Transfection; Urea | 2007 |
Air-breathing catfish, Clarias batrachus upregulates glutamine synthetase and carbamyl phosphate synthetase III during exposure to high external ammonia.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Catfishes; Fish Proteins; Gene Expression Regulation, Enzymologic; Glutamate-Ammonia Ligase; Hydrocortisone; Liver; Organ Specificity; Ornithine; Oxygen Consumption; Up-Regulation; Urea | 2007 |
[The effect of arginine and its metabolites on tissue culture of rat myocardium].
Topics: Amino Acids, Sulfur; Animals; Arginine; Cell Proliferation; Citrulline; Heart; Myocardium; Nitric Oxide; Nitric Oxide Donors; Nitroglycerin; Ornithine; Rats; Tissue Culture Techniques; Urea | 2007 |
Interaction between murine spf-ash mutation and genetic background yields different metabolic phenotypes.
Topics: Alanine; Ammonia; Animals; Arginine; Citrulline; Disease Models, Animal; Female; Glycine; Injections, Intravenous; Intestinal Mucosa; Liver; Male; Mice; Mice, Inbred ICR; Mice, Inbred Strains; Mice, Mutant Strains; Models, Biological; Mutation; Nitric Oxide; Ornithine; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Phenotype; Phenylalanine; Urea | 2007 |
[Effect of the arginine and its metabolites on the rat myocardium in organothypic tissue culture in young and old rats].
Topics: Animals; Arginine; Cell Proliferation; Citrulline; Heart; Liver; Lymphoid Tissue; Myocardium; Ornithine; Rats; Rats, Wistar; Tissue Culture Techniques; Urea | 2007 |
Biochemical and biophysical properties of a highly active recombinant arginase from Leishmania (Leishmania) amazonensis and subcellular localization of native enzyme.
Topics: Animals; Arginase; Arginine; Escherichia coli; Gene Expression; Kinetics; Leishmania; Microbodies; Microscopy, Fluorescence; Models, Molecular; Ornithine; Protein Structure, Tertiary; Recombinant Proteins; Scattering, Small Angle; Urea | 2008 |
Ornithine-delta-aminotransferase is essential for arginine catabolism but not for proline biosynthesis.
Topics: Arabidopsis; Arginine; Genetic Complementation Test; Green Fluorescent Proteins; Mitochondria; Models, Biological; Mutation; Ornithine; Ornithine-Oxo-Acid Transaminase; Phenotype; Proline; Protein Transport; Recombinant Fusion Proteins; Sodium Chloride; Urea | 2008 |
Genome-scale model for Clostridium acetobutylicum: Part I. Metabolic network resolution and analysis.
Topics: Arginine; Cell Growth Processes; Clostridium acetobutylicum; Computational Biology; Gene Knockout Techniques; Genome, Bacterial; Glutamic Acid; Kinetics; Metabolic Networks and Pathways; Models, Biological; Ornithine; Phosphotransferases (Carboxyl Group Acceptor); Thermodynamics; Transaminases; Urea | 2008 |
Urea metabolism in beef steers fed tall fescue, orchardgrass, or gamagrass hays.
Topics: Amino Acids; Animals; Cattle; Dietary Carbohydrates; Dietary Supplements; Male; Nitrogen; Ornithine; Poaceae; Random Allocation; Urea | 2009 |
Effects of crowding on ornithine-urea cycle enzyme mRNA expression and activity in gulf toadfish (Opsanus beta).
Topics: Ammonia; Animals; Arginase; Batrachoidiformes; Carbon-Nitrogen Ligases; Glutamate-Ammonia Ligase; Hydrocortisone; Liver; Lyases; Ornithine; Ornithine Carbamoyltransferase; Population Density; RNA, Messenger; Urea | 2009 |
Ornithine-catalyzed urea formation in liver homogenate.
Topics: Liver; Ornithine; Urea | 1947 |
Dysregulation of L-arginine metabolism and bioavailability associated to free plasma heme.
Topics: Amino Acid Transport System y+; Amino Acid Transport System y+L; Arginase; Arginine; Biological Availability; Biological Transport; Cells, Cultured; Citrulline; Endothelial Cells; Enzyme Activation; Erythrocytes; Hemin; Humans; Hydrolysis; Kinetics; Malaria, Falciparum; Microvessels; Nitric Oxide; Nitric Oxide Synthase Type III; Ornithine; Urea | 2010 |
Biochemical studies on Helicobacter pylori arginase: insight into the difference in activity compared to other arginases.
Topics: Animals; Arginase; Arginine; Bacterial Proteins; Biocatalysis; Cobalt; Enzyme Activation; Escherichia coli; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Kinetics; Manganese; Ornithine; Protein Multimerization; Protein Structure, Tertiary; Rats; Recombinant Proteins; Urea | 2010 |
Effect of the quality of dietary amino acids composition on the urea synthesis in rats.
Topics: Alanine; Amino Acids; Animals; Caseins; Dietary Proteins; Egg Proteins; Glutamates; Glutamic Acid; Glutens; Liver; Male; Methionine; Ornithine; Protein Biosynthesis; Rats; Rats, Wistar; Serine; Urea | 2011 |
Radiochemical high-performance liquid chromatography detection of arginine metabolism in human endothelial cells.
Topics: Arginase; Arginine; Cells, Cultured; Chromatography, High Pressure Liquid; Endothelium, Vascular; Human Umbilical Vein Endothelial Cells; Humans; Lipopolysaccharides; Nitric Oxide; Nitric Oxide Synthase Type III; Ornithine; Radiochemistry; Sirolimus; Tritium; Tumor Necrosis Factor-alpha; Urea | 2012 |
NMR metabolic profiling of serum identifies amino acid disturbances in chronic fatigue syndrome.
Topics: Adult; Biomarkers; Case-Control Studies; Fatigue Syndrome, Chronic; Female; Glutamine; Humans; Male; Metabolome; Middle Aged; Nuclear Magnetic Resonance, Biomolecular; Ornithine; Urea | 2012 |
Functional ureogenesis and changes of amino acid metabolism in amphihaline shad hilsa (Tenualosa ilisha, Hamilton-Buchanan) while inhabiting in estuary and freshwater habitats.
Topics: Amino Acids; Animals; Estuaries; Fishes; Fresh Water; Glutamate-Ammonia Ligase; Kidney; Liver; Muscles; Ornithine; Urea; Water-Electrolyte Balance | 2012 |
Ontogeny of ornithine-urea cycle gene expression in zebrafish (Danio rerio).
Topics: Aging; Ammonia; Animals; Base Sequence; Carbon-Nitrogen Ligases; Digoxigenin; Embryo, Nonmammalian; Gene Expression; Gene Silencing; In Situ Hybridization, Fluorescence; Molecular Sequence Data; Ornithine; Real-Time Polymerase Chain Reaction; RNA Probes; Urea; Zebrafish | 2013 |
Unilateral nephrectomy causes an early abrupt decrease in plasma arginine and simultaneous reduction in glomerular filtration rate in living kidney donors.
Topics: Arginine; Citrulline; Creatinine; Female; Glomerular Filtration Rate; Humans; Kidney; Kidney Transplantation; Living Donors; Male; Middle Aged; Nephrectomy; Nitric Oxide; Nitrites; Ornithine; Phenylalanine; Thiobarbituric Acid Reactive Substances; Urea | 2013 |
Biotransformation of L-ornithine from L-arginine using whole-cell recombinant arginase.
Topics: Animals; Arginase; Arginine; Biocatalysis; Biotransformation; Cattle; Chemical Industry; Escherichia coli; Escherichia coli Proteins; Fermentation; Ornithine; Recombinant Proteins; Urea | 2013 |
Increased erythrocytes by-products of arginine catabolism are associated with hyperglycemia and could be involved in the pathogenesis of type 2 diabetes mellitus.
Topics: Adult; Aged; Arginine; Blood Glucose; Carbon Isotopes; Case-Control Studies; Citrulline; Diabetes Mellitus, Type 2; Endothelial Cells; Erythrocytes; Female; Glycosylation; Hemoglobins; Hemolysis; Humans; Hyperglycemia; Male; Malondialdehyde; Metabolic Networks and Pathways; Middle Aged; Models, Biological; Nitric Oxide; Nitrites; Ornithine; Oxidative Stress; Urea | 2013 |
In vitro recapitulation of the urea cycle using murine embryonic stem cell-derived in vitro liver model.
Topics: Animals; Embryonic Stem Cells; In Vitro Techniques; Liver; Male; Mice; Mice, Inbred BALB C; Models, Animal; Ornithine; Urea | 2013 |
Altered nitrogen balance and decreased urea excretion in male rats fed cafeteria diet are related to arginine availability.
Topics: Animals; Arginine; Diet; Male; Nitrogen; Ornithine; Rats; Renal Elimination; Urea | 2014 |
Influence of environmental hypertonicity on the induction of ureogenesis and amino acid metabolism in air-breathing walking catfish (Clarias batrachus, Bloch).
Topics: Air; Amino Acids; Ammonia; Animals; Catfishes; Diuretics, Osmotic; Environment; Hypertonic Solutions; Mannitol; Ornithine; Osmosis; Respiration; Urea; Walking | 2014 |
Construction of a highly efficient Bacillus subtilis 168 whole-cell biocatalyst and its application in the production of L-ornithine.
Topics: Arginase; Arginine; Bacillus; Bacillus subtilis; Batch Cell Culture Techniques; Biocatalysis; Bioreactors; Fermentation; Hydrogen-Ion Concentration; Manganese; Ornithine; Temperature; Time Factors; Urea | 2015 |
Reduced production of ethyl carbamate for wine fermentation by deleting CAR1 in Saccharomyces cerevisiae.
Topics: Alleles; Arginase; Arginine; Carcinogens; Ethanol; Fermentation; Ornithine; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Urea; Urethane; Wine | 2016 |
Metabolomic signatures of drug response phenotypes for ketamine and esketamine in subjects with refractory major depressive disorder: new mechanistic insights for rapid acting antidepressants.
Topics: Adult; Arginine; Citrulline; Depressive Disorder, Major; Depressive Disorder, Treatment-Resistant; Excitatory Amino Acid Antagonists; Female; Glutamic Acid; Humans; Indoleacetic Acids; Infusions, Intravenous; Ketamine; Male; Metabolomics; Methionine; Middle Aged; Ornithine; Phenotype; Phospholipids; Tryptophan; Urea | 2016 |
The cyanobacterial ornithine-ammonia cycle involves an arginine dihydrolase.
Topics: Ammonia; Arginine; Bacterial Proteins; Biomass; Carbon Dioxide; Citrulline; Cyanobacteria; Hydrolases; Mutation; Nitrogen; Nitrogen Isotopes; Ornithine; Oscillometry; Polyamines; Synechocystis; Urea | 2018 |
Effects of Dietary Arginine, Ornithine, and Zeolite Supplementation on Uremic Toxins in Cats.
Topics: Animals; Arginine; Cats; Dietary Supplements; Feces; Ornithine; Proteins; Toxins, Biological; Urea; Uremia; Zeolites | 2018 |
The Krebs Uric Acid Cycle: A Forgotten Krebs Cycle.
Topics: Citric Acid Cycle; Glyoxylates; Humans; Ornithine; Urea; Uric Acid | 2018 |
Low CO2 induces urea cycle intermediate accumulation in Arabidopsis thaliana.
Topics: Arabidopsis; Arabidopsis Proteins; Arginine; Biosynthetic Pathways; Carbon Dioxide; Citrulline; Gene Expression Regulation, Plant; Genes, Plant; Light; Models, Biological; Mutation; Ornithine; Ornithine-Oxo-Acid Transaminase; Proline; Pyrroles; RNA, Plant; Stress, Physiological; Sucrose; Urea | 2019 |
Pivotal role of inter-organ aspartate metabolism for treatment of mitochondrial aspartate-glutamate carrier 2 (citrin) deficiency, based on the mouse model.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Aspartic Acid; Citrulline; Citrullinemia; Disease Models, Animal; Glycerolphosphate Dehydrogenase; Hyperammonemia; Intestine, Small; Lactates; Liver; Mice, Inbred C57BL; Mice, Knockout; Mitochondrial Membrane Transport Proteins; Organ Specificity; Ornithine; Perfusion; Portal Vein; Pyruvic Acid; Urea | 2019 |
Type I Interferon Signaling Disrupts the Hepatic Urea Cycle and Alters Systemic Metabolism to Suppress T Cell Function.
Topics: Animals; Arginine; CD4-Positive T-Lymphocytes; CD8-Positive T-Lymphocytes; Cell Line; Chlorocebus aethiops; Cricetinae; Female; Hepatocytes; Interferon Type I; Liver; Lymphocytic Choriomeningitis; Lymphocytic choriomeningitis virus; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Ornithine; Ornithine Carbamoyltransferase; Receptor, Interferon alpha-beta; Signal Transduction; Urea; Vero Cells | 2019 |
Molecular characterization and ornithine-urea cycle genes expression in air-breathing magur catfish (Clarias magur) during exposure to high external ammonia.
Topics: Ammonia; Animals; Argininosuccinate Lyase; Argininosuccinate Synthase; Catfishes; Fish Proteins; Ornithine; Ornithine Carbamoyltransferase; Phylogeny; RNA, Messenger; Sequence Alignment; Sequence Analysis, Protein; Tissue Distribution; Urea | 2020 |
Genetic regulation, biochemical properties and physiological importance of arginase from
Topics: Arginase; Arginine; Bacterial Proteins; Gene Expression Regulation; Genetic Complementation Test; Genome, Bacterial; Hydrogen-Ion Concentration; Mutation; Nitrogen; Ornithine; Recombinant Proteins; Sinorhizobium meliloti; Urea | 2020 |
Clinical and biochemical characteristics of patients with ornithine transcarbamylase deficiency.
Topics: Adolescent; Adult; Ammonia; Arginine; Child; Child, Preschool; China; Creatine; Female; Humans; Hyperammonemia; Lysine; Male; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Urea; Young Adult | 2020 |
Ornithine-A urea cycle metabolite enhances autophagy and controls Mycobacterium tuberculosis infection.
Topics: Ammonia; Animals; Apoptosis; Arginase; Atropine; Autophagy; Cell Proliferation; Disease Progression; Female; Imidazoles; Kupffer Cells; Macrophages, Alveolar; Macrophages, Peritoneal; Mice; Mice, Inbred C57BL; Nitric Oxide; Ornithine; Phosphatidylserines; Reactive Oxygen Species; RNA, Small Interfering; Tuberculosis; Urea | 2020 |
Common origin of ornithine-urea cycle in opisthokonts and stramenopiles.
Topics: Animals; Biological Evolution; Databases, Genetic; Ornithine; Phylogeny; Stramenopiles; Symbiosis; Urea | 2020 |
The importance of the urea cycle and its relationships to polyamine metabolism during ammonium stress in Medicago truncatula.
Topics: Amine Oxidase (Copper-Containing); Ammonium Compounds; Medicago truncatula; Ornithine; Polyamines; Putrescine; Spermidine; Urea | 2022 |
Downregulation of eNOS and preserved endothelial function in endothelial-specific arginase 1-deficient mice.
Topics: Animals; Arginase; Arginine; Down-Regulation; Endothelial Cells; Mice; Nitric Oxide; Nitric Oxide Synthase Type III; Ornithine; Tamoxifen; Urea | 2022 |
Association of amino acids related to urea cycle with risk of diabetic nephropathy in two independent cross-sectional studies of Chinese adults.
Topics: Adult; Arginine; Citrulline; Cross-Sectional Studies; Diabetes Mellitus; Diabetic Nephropathies; Humans; Ornithine; Urea | 2022 |
The Aging Process: A Metabolomics Perspective.
Topics: Adult; Aged; Aging; Aspartic Acid; Biomarkers; Female; Humans; Isoleucine; Leucine; Male; Metabolome; Metabolomics; Middle Aged; Ornithine; Urea; Valine; Young Adult | 2022 |
Associations of serum amino acids related to urea cycle with risk of chronic kidney disease in Chinese with type 2 diabetes.
Topics: Arginine; Citrulline; Diabetes Mellitus, Type 2; East Asian People; Female; Humans; Male; Ornithine; Renal Insufficiency, Chronic; Urea | 2023 |