tryptophan has been researched along with niacin in 442 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 332 (75.11) | 18.7374 |
| 1990's | 56 (12.67) | 18.2507 |
| 2000's | 37 (8.37) | 29.6817 |
| 2010's | 14 (3.17) | 24.3611 |
| 2020's | 3 (0.68) | 2.80 |
| Authors | Studies |
|---|---|
| Bellman, K; Knegtel, RM; Settimo, L | 1 |
| Barnes, JC; Bradley, P; Day, NC; Fourches, D; Reed, JZ; Tropsha, A | 1 |
| Alesiani, M; Davolio, P; Lombardi, G; Moroni, F; Pellicciari, R; Russi, P | 1 |
| Brodie, MJ; Connick, JH; Heywood, GC; Sills, GJ; Stone, TW; Thompson, GG | 1 |
| Borden, EC; Brown, RR; Datta, SP; Malone, DG; Ozaki, Y; Sondel, PM | 1 |
| Peters, JC | 1 |
| Bhat, RV; Ramakrishna, Y; Sashidhar, RB | 1 |
| Hayakawa, T; Iwai, K; Shibata, K | 1 |
| Dalmane, A; Liepina, D; Rudzite, V; Sileniece, G; Zirne, R | 1 |
| Ancill, RJ; Goumeniouk, AD; Koczapski, AB; MacEwan, GW | 1 |
| Bender, DA | 5 |
| Murata, K; Shibata, K | 1 |
| Miyazaki, M; Sanada, H; Takahashi, T | 1 |
| Sano, K; Shin, M; Umezawa, C | 4 |
| Matsuo, H; Shibata, K | 1 |
| Sainio, EL; Sainio, P | 1 |
| Harms, RH; Ruiz, N | 1 |
| Chaouloff, F; Elghozi, JL; Guezennec, Y; Laude, D | 1 |
| Singh, M | 1 |
| Cupo, MA; Donaldson, WE | 2 |
| Moreno, FS; Vannucchi, H | 1 |
| Fu, CS; Jacob, RA; McKee, RW; Swendseid, ME | 1 |
| Aoki, N; Inoue, K; Sanada, H; Wada, O | 1 |
| Hayakawa, T; Iwai, K; Murata, K; Shibata, K | 1 |
| Carpenter, KJ; Cook, NE | 1 |
| Bender, DA; McCreanor, GM | 2 |
| Bender, DA; Olufunwa, R | 1 |
| Ahmed, ZU; Sack, DA; Sarker, MR | 1 |
| Jirgensone, S; Jirgensons, J; Jurika, E; Rudzite, V; Sileniece, G; Zirne, R | 1 |
| Cade, JR; Fregly, MJ; Lockley, OE; Torres, JL | 1 |
| Coppock, CE; Horner, JL; Labore, JM; Nave, DH; Schelling, GT | 1 |
| Horwitt, MK | 2 |
| Dombro, RS; Hutson, DG; Miyai, M | 1 |
| Carpenter, KJ; Lewin, WJ | 1 |
| Sanada, H | 1 |
| Maayan, ML; Rosenberg, IN | 1 |
| Motooka, K; Murata, K; Shibata, K | 1 |
| Bender, DA; Magboul, BI; Wynick, D | 1 |
| Bender, DA; Magboul, BI | 1 |
| Forchette, CA; Patterson, JI | 1 |
| Carpenter, KJ | 1 |
| Harper, AE; Patterson, JI | 2 |
| Hayakawa, T; Iwai, K | 1 |
| Shen, TF; Wu, CL; Wu, LS | 1 |
| Poston, HA; Rumsey, GL | 1 |
| Campione, AL; Doman, DR; van Winkle, LJ | 1 |
| Clifford, AJ; Kratzer, FH; Penz, AM; Rogers, QR | 1 |
| Fuwa, H; Konishi, Y | 1 |
| Rao, BS; Satyanarayana, U | 1 |
| Baker, DH; Czarnecki, GL; Halpin, KM | 1 |
| Marquardt, RR; Park, IK | 1 |
| Allegri, G; Cardin Dè Stefani, EL; Costa, C; De Antoni, A; Vanzan, S | 1 |
| Egashira, Y; Nakazawa, A; Ohta, T; Sanada, H; Shibata, K | 1 |
| Shibata, K | 3 |
| Driscoll, ER; Jackson, TM; Kirkland, JB; Rawling, JM | 1 |
| Baker, DH; Han, Y; Oduho, GW | 1 |
| Baker, DH; Oduho, GW | 1 |
| Henning, SM; Swendseid, ME; Zhang, JZ | 1 |
| Teply, LJ | 1 |
| Melton, AR; Weiss, AA | 1 |
| Ellersieck, MR; Ivers, DJ; Rodhouse, SL; Veum, TL | 1 |
| Dame, AJ; Jacobson, EL; Jacobson, MK; Pyrek, JS | 1 |
| Hayakawa, T; Kondo, T; Mushiage, M; Shibata, K; Tsuge, H | 1 |
| Jackson, TM; Kirkland, JB; Poirier, GG; Rawling, JM; Roebuck, BD | 1 |
| Fujita, Y; Kimura, A; Mori, Y; Sano, K; Shin, M; Umezawa, C; Yoshida, K | 1 |
| Kondo, T; Marugami, M; Shibata, K | 1 |
| Altrichter, S; Dietrich, A; Ehrlich, W; Grätz, R; Klewer, M; Kröger, H; Kurpisz, M; Miesel, R | 1 |
| Mench, JA; Shea-Moore, MM; Thomas, OP | 1 |
| Egashira, Y; Kouhashi, H; Ohta, T; Sanada, H | 1 |
| Kondo, T; Marugami, M; Shibata, K; Umezawa, C | 1 |
| Kondo, T; Shibata, K; Shimada, H | 1 |
| Abu-Qurshin, R; Eldar, S; Naschitz, JE; Nash, E; Yeshurun, D; Zuckermann, E | 1 |
| Henderson, LM | 1 |
| Egashira, Y; Komine, T; Ohta, T; Sanada, H; Shibata, K | 1 |
| Shibata, K; Toda, S | 1 |
| Kondo, T; Shibata, K; Yonezima, M | 1 |
| Ishikawa, A; Kondo, T; Shibata, K | 1 |
| Sainio, EL | 1 |
| Herbert, CJ; Kucharczyk, R; Rytka, J; Zagulski, M | 1 |
| Hashimoto, C; Nakakita, S; Sano, K; Shin, M; Umezawa, C | 1 |
| Kondo, T; Miki, A; Shibata, K | 1 |
| Egashira, Y; Ohta, T; Sanada, H; Tanabe, A | 1 |
| Egashira, Y; Isagawa, A; Komine, T; Ohta, T; Sanada, H; Shibata, K; Yamada, E | 1 |
| Murray, MF | 1 |
| Brown, RR; Hankes, LV; Jansen, CR; Schmaeler, M | 1 |
| Fukuwatari, T; Shibata, K; Sugimoto, E; Swabe, M | 1 |
| Gedye, A | 1 |
| Alemnji, GA; Kukoyi, BI | 1 |
| Fukuwatari, T; Shibata, K; Sugimoto, E | 3 |
| Allegri, G; Bertazzo, A; Biasiolo, M; Costa, CV; Ragazzi, E | 1 |
| Enomoto, A; Fukuwatari, T; Shibata, K; Sugimoto, E | 1 |
| Fukuwatari, T; Hayakawa, F; Morikawa, Y; Shibata, K; Sugimoto, E | 1 |
| Allegri, G; Bertazzo, A; Biasiolo, M; Caparrotta, L; Costa, CV; Ragazzi, E | 1 |
| Fukuwatari, T; Shibata, K; Sugimoto, E; Suzuki, Y | 2 |
| Egashira, Y; Fukuoka, S; Sanada, H; Shibata, K; Tanabe, A | 1 |
| Bécam, AM; Herbert, CJ; Kucharczyka, R; Nawara, M; Panozzo, C; Rytka, J; Skoneczny, M; Suski, C | 1 |
| Egashira, Y; Fukuoka, S; Ishiguro, K; Sanada, H; Shibata, K; Tanabe, A; Yanagihara, K | 1 |
| Fukuwatari, T; Morikawa, Y; Shibata, K; Sugimoto, E | 1 |
| Fukuwatari, T; Ishikawa, A; Kodama, N; Nishimuta, M; Okamoto, H; Shibata, K; Yoshitake, Y | 1 |
| Dodick, DW; Muir, JJ; Velling, DA | 1 |
| BIRD, HR; DENTON, CA; KELLOGG, WL; ROWLAND, WE | 1 |
| CRAVIOTO, OY; CRAVIOTO, RO; DE FIGUEROA, FM; MASSIEU, GH | 1 |
| DOISY, EA; POOL, WL | 1 |
| DELLA PIETRA, G; PIAZZA, R; QUAGLIARIELLO, E | 1 |
| COSTABILE, L; SCALA, E; SCARDI, V; VIRGILIO, A | 1 |
| HENDERSON, LM; KOEPPE, OJ; ZIMMERMAN, HH | 1 |
| CEDRANGOLO, F; DELLA PIETRA, G; QUAGLIARIELLO, E | 2 |
| NICHELE, G; ROVELLI, G | 1 |
| O'LEARY, WM; SMITH, LW; WERTMAN, K | 1 |
| BANERJEE, S; CHATTERJEE, K; GHOSH, NC; PROSAD CHATTOPADHYAY, D | 1 |
| SALMON, WD | 3 |
| SUBRAHMANYAM, K | 2 |
| CIOTTI, MM; GOLDIN, A; HUMPHREYS, SR; KAPLAN, NO; VENDITTI, JM | 1 |
| McALLISTER, RA | 1 |
| YANOFSKY, C | 1 |
| HENDERSON, LM; KOEPPE, OJ | 1 |
| FIORENTINI, M; MANCINI, F | 1 |
| GIBBENS, J; GOLDSMITH, GA; ROSENTHAL, HL; UNGLAUB, WG | 2 |
| GORIACHENKOVA, EV | 1 |
| FRAZIER, EI; HOENE, E; PRATHER, ME | 1 |
| TOMABECHI, K | 1 |
| ELVEHJEM, CA; HAYMAN, S; SHAHINIAN, SS; WILLIAMS, JN | 1 |
| ABRAHAM, J; CHARCONNET-HARDING, F | 1 |
| FISHER, H; JOHNSON, BC; SCOTT, HM | 2 |
| DALGLIESH, CE | 1 |
| ANDRIES, MC; FAIRBAIRN, JW; YOUNGKEN, HW | 1 |
| BANERJEE, S; BASAK, R | 1 |
| CHITRE, RG; DESAI, DB | 1 |
| CHALOUPKA, MM; ELVEHJEM, CA; REYNOLDS, MS; WILLIAMS, JN | 1 |
| MORLEY, NH; STORVICK, CA | 1 |
| AGARWAL, PS; BANERJEE, S | 2 |
| BOUCHARD, BS; DERBY, MB; LOJKIN, ME; WERTZ, AW | 1 |
| BERNSOHN, J; INSKIP, WM; LAUER, JW; ZELLER, EA | 1 |
| AGARWAL, PS; BANERJEE, S; CHATTERJEE, KP | 1 |
| AURICCHIO, S; QUAGLIARIELLO, E | 2 |
| BYERRUM, RU; GRIFFITH, T; HENDERSON, LM; RAO, DR; SOMEROSKI, JF; WU, PH | 1 |
| DUNCAN, GM; FORBES, JC | 2 |
| CHALOUPKA, MM; REYNOLDS, MS; VIVIAN, VM | 1 |
| BROWN, RR; PRICE, JM; REYNOLDS, MS; VIVIAN, VM | 1 |
| ARROYAVE, G; BRAHAM, JE; SCRIMSHAW, NS; SQUIBB, RL | 1 |
| GASSMANN, B; KNAPP, A | 1 |
| CANAL, N; MAFFEI-FACCIOLI, A | 1 |
| JORI, A; LAMESTA, L; VALSECCHI, A | 1 |
| AURICCHIO, S; DI TORO, R; RIGILLO, N | 2 |
| AURICCHIO, S; COLETTA, A | 1 |
| PIAZZA, M; QUAGLIARIELLO, E; TANCREDI, F | 2 |
| FEDELE, L; QUAGLIARIELLO, E; TANCREDI, F | 1 |
| FEDELE, L; QUAGLIARIELLO, E; SACCONE, C; TANCREDI, F | 2 |
| KNAPP, A | 1 |
| KNAPP, A; MUELLER, R | 1 |
| AURICCHIO, S; QUAGLIARIELLO, E; RUBINO, A; VECCHIONE, L | 1 |
| AURICCHIO, S; QUAGLIARIELLO, E; RUBINO, A | 2 |
| BANERJEE, S; CHATTOPADHYAY, DP | 1 |
| CHIANCONE, FM; GINOULHIAC, E; TENCONI, LT | 1 |
| GALLAGHER, CH | 1 |
| CHIANCONE, FM | 2 |
| ERGE, D; GROEGER, D; MOTHES, K | 1 |
| PIAZZA, M; TANCREDI, F | 2 |
| Davidson, CS; Gabuzda, GJ | 1 |
| HALVORSEN, K; HALVORSEN, S | 1 |
| BELAVADY, B; GOPALAN, C; SRIKANTIA, SG | 1 |
| HENDERSON, LM; WILSON, RG | 1 |
| WOOLF, LI | 1 |
| ALIFANO, A; BUDILLON, G; COLTORTI, M; GADALETA, MN | 1 |
| ACHARYA, US; PANICKER, RK; SHANMUGASUNDARAM, ER | 1 |
| PIECHAUD, D; SZTURM RUBINSTEN, S | 1 |
| Harper, AE; Morrison, MA; Reynolds, MS | 1 |
| BERRY, LJ; SMYTHE, DS | 1 |
| AMSTERDAM, D; HUTNER, SH; KEANE, MM; KITTRELL, M; LUBART, KJ; ZAHALSKY, AC | 1 |
| CONTRERAS, E; CROXATTO, R; HUIDOBRO, F | 1 |
| DEMEULEMEESTER, F | 1 |
| HJELT, L; LAHIKAINEN, T; OHMAN, S; VISAKORPI, JK | 1 |
| MOLINA, C | 1 |
| SPATZ, M | 1 |
| HIROTA, Y; ISHIBASHI, M; SUGINO, Y | 1 |
| TRUSWELL, AS | 1 |
| DELAEY, P; HOOFT, C; SNOECK, J; TIMMERMANS, J | 3 |
| Vivian, VM | 1 |
| MIYATAKE, M; SHIBA, S; TERAWAKI, A | 1 |
| IMSANDE, J | 1 |
| PASQUARIELLO, G; QUADRI, A; TENCONI, LT | 1 |
| BROWN, RR; HANKES, LV; LIPPINCOTT, S; SCHMAELER, M | 1 |
| BROWN, FC | 1 |
| BROWN, RR; FLINN, JH; PRICE, JM; YESS, N | 1 |
| CLAMP, JR; KOMROWER, GM; WESTALL, RG; WILSON, V | 1 |
| Harper, AE; Savage, JR | 1 |
| FRATTA, I; GREENGARD, P; SIGG, EB; ZAK, SB | 1 |
| ALIFANO, A; ELICIO, MA; PAPA, S; QUAGLIARIELLO, E; TANCREDI, F | 1 |
| FOIS, A; LECCHINI, L | 1 |
| BARTHWAL, JP; WOODFORD, VR | 1 |
| CHAREZINSKI, M; OPIENSKA BLAUTH, J | 1 |
| HUANG, PC; KAO, MS; LIU, DK | 1 |
| BARBIROLI, G; CIUSA, W; CRISTINI, G | 1 |
| Delange, DJ; Joubert, CP | 1 |
| GREENGARD, P; QUINN, GP; REID, MB | 1 |
| IVANOVA, VD; RAUSHENBAKH, MO | 1 |
| HAYAISHI, O; NAKAMURA, S; NISHIZUKA, Y | 1 |
| LEETE, E | 1 |
| TENCONI, LT | 1 |
| BONOMI, U; GINOULHIAC, E; TENCONI, LT | 1 |
| PASQUARIELLO, G | 1 |
| CAREDDU, P; MAINARDI, L; TENCONI, LT | 1 |
| MAINARDI, L; TENCONI, LT | 1 |
| Gopalan, C; Narasingarao, BS; Raghuramulu, N | 1 |
| BARKIN, M; KERR, WK; LEVERS, PE; MENCZYK, Z; WOO, SK | 1 |
| ZOELLER, WW | 1 |
| Abernathy, RP; Miller, J | 1 |
| OHGURI, S | 2 |
| WALSH, MP | 1 |
| FEDERICO, L; VALLE, T | 1 |
| D'ANGELI, F; HENDERSON, LM; KOSKI, RE | 1 |
| Harper, AE; morrison, MA | 1 |
| Reid, ME; Von Sallmann, L | 1 |
| PIAZZA, M; QUAGLIARIELLO, E; SACCONE, C; TANCREDI, F | 1 |
| PINTO, R; RAGNO, I | 1 |
| BRYSON, MJ; GOLDTHORPE, HC; SAMUELS, LT | 1 |
| HEIMBERG, M; LEDER, IG; PERLZWEIG, WA; ROSEN, F | 1 |
| DE LANGE, DJ; HOLMAN, WI | 2 |
| CEDRANGOLO, F; IANNELLA, P | 1 |
| SUNG, SC; TUNG, TC | 1 |
| ANDERSON, JO; BRIGGS, GM; COMBS, GF | 1 |
| FUCHS, F; WISS, O | 1 |
| ELVEHJEM, CA; HANKES, LV; LYMAN, RL | 1 |
| ELVEHJEM, CA; FEIGELSON, P; WILLIAMS, JN | 3 |
| COOPERMAN, JM; RUBIN, SH; TABENKIN, B | 1 |
| DAVIS, D; HENDERSON, LM; POWELL, D | 1 |
| ELVEHJEM, CA; FEIGELSON, P; SHAHINIAN, SS; WILLIAMS, JN | 2 |
| PIKE, RL | 1 |
| SENSI, P | 3 |
| AXELROD, AE; LUDOVICI, PP | 1 |
| LUTSKII, KM; STUL'NIKOVA, RI | 1 |
| BONNER, DM; YANOFSKY, C | 1 |
| ELVEHJEM, CA; LYMAN, RL | 1 |
| DUNCAN, M; SARETT, HP | 1 |
| BONNER, DM; PARTRIDGE, CW; YANOFSKY, C | 1 |
| MARNAY, C | 1 |
| MUNIER, R | 1 |
| ELVEHJEM, CA | 2 |
| GIBBENS, J; GOLDSMITH, GA; REGISTER, UD; SARETT, HP | 1 |
| DA SILVA, AC; DE ANGELIS, RC; FRIED, S | 1 |
| Fukuwatari, T; Kitamura, J; Ohta, M; Sasaki, R; Shibata, K | 1 |
| Fukuwatari, T; Ohta, M; Sasaki, R; Shibata, K; Sugimoto, E | 1 |
| Fukuwatari, T; Murakami, M; Sasaki, R; Shibata, K | 1 |
| Egashira, Y; Fukuoka, S; Fukuwatari, T; Ishiguro, K; Sanada, H; Shibata, K; Tanabe, A | 1 |
| Fukuoka, S; Fukuwatari, T; Ohsaki, S; Sasaki, R; Shibata, K; Suzuki, Y | 1 |
| BERG, CP; KALLIO, RE | 1 |
| ABDEL KADER, MM; ELLINGER, P | 5 |
| GEORG, LK | 1 |
| Allegri, G; Bertazzo, A; Biasiolo, M; Caparrotta, L; Comai, S; Costa, CV; Ragazzi, E | 1 |
| Dunn, AJ; Lenard, NR | 1 |
| Hashizume, N | 1 |
| Fukuwatari, T; Kimtjra, N; Ohta, M; Sasaki, R; Shibata, K | 1 |
| Ftukijwatari, T; Jin-No, Y; Kimura, N; Murakami, M; Ohta, M; Sasaki, R; Shibata, K | 1 |
| Beretich, GR | 1 |
| Allegri, G; Bertazzo, A; Caparrotta, L; Comai, S; Costa, CV; Ragazzi, E | 1 |
| Kirkland, JB; Pasieka, JL; Shah, GM; Shah, RG; Veillette, H; Warner, RR | 1 |
| Fernstrom, JD; Fernstrom, MH | 1 |
| Beadle, GW; Mitchell, HK; Nyc, JF | 1 |
| Egashira, Y; Nagaki, S; Sanada, H | 1 |
| Kirkland, JB; Thorn, SL; Young, GS | 1 |
| Nason, A | 1 |
| Gustafson, FG | 1 |
| LITTLEJOHN, JM; SINGAL, SA; SYDENSTRICKER, VP | 1 |
| ABRAHAM, EP; HEIDELBERGER, C; LEPKOVSKY, S | 2 |
| PERLZWEIG, WA; ROSEN, F | 2 |
| GOLDSMITH, GA; SARETT, HP | 5 |
| DEUEL, HJ; HURT, WW; SCHEER, BT | 1 |
| GIRAL, J | 1 |
| DEWEY, VC; KIDDER, GW | 1 |
| GULLBERG, ME; HEIDELBERGER, C | 2 |
| GATCHELL, HD; GEIGER, E; HAGERTY, EB | 1 |
| OLCESE, O; PEARSON, PB; SPARKS, P | 1 |
| KETRON, KC; SNYDERMAN, SE | 1 |
| HUNDLEY, JM | 1 |
| RUDKIN, GT; SCHULTZ, J | 1 |
| HEGSTED, DM; LING, CT; STARE, FJ | 1 |
| HANKES, LV; HENDERSON, LM | 1 |
| JUNQUEIRA, PB; SCHWEIGERT, BS | 1 |
| LUECKE, RW; McMILLEN, WN | 2 |
| BELL, GH; DEUEL, HJ; SCHEER, BT | 1 |
| PEARSON, PB; SCHWEIGERT, BS | 2 |
| SPECTOR, H | 1 |
| GARBER, MM; GERMAN, HL; SCHWEIGERT, BS | 1 |
| Cholongitas, E; Ioannidou, D; Pipili, C | 1 |
| Fukuwatari, T; Kurata, K; Shibata, K | 1 |
| Taylor, EW | 1 |
| LITTLEJOHN, J; SINGAL, SA; SYDENSTRICKER, VP | 1 |
| WOOLEY, JG | 1 |
| HANDLER, P; KAMIN, H | 1 |
| HENDERSON, LM; KREHL, WA | 1 |
| BRIGGS, AP; SINGAL, SA | 2 |
| PEARSON, PB; SCHWEIGERT, BS; WILKENING, MC | 1 |
| Briggs, GM; Groschke, AC; Lillie, RJ | 1 |
| HUFF, JW; PERLZWEIG, WA; ROSEN, F | 1 |
| DE LA HUERGA, K; ELVEHJEM, CA; KREHL, WA | 1 |
| MITCHELL, HH; SPECTOR, H | 1 |
| BRIGGS, GM | 1 |
| ELVEHJEM, CA; KREHL, WA; SARMA, PS | 1 |
| Bruijnzeel-Koomen, CA; Knol, EF; Knulst, AC; Lamers, RJ; Peeters, KA; Penninks, AH; van Nesselrooij, JH | 1 |
| Fang, J; Feng, ZM; Tang, ZR; Wu, G; Yao, K; Yin, YL | 1 |
| Fukuwatari, T; Imai, E; Sano, M; Shibata, K | 1 |
| Fukuwatari, T; Funakoshi, H; Kadota, E; Kanai, M; Nakamura, T; Sano, M; Shibata, K; Terakata, M | 1 |
| Egashira, Y; Gomi, RT; Hirai, S; Matsuda, H | 1 |
| ADRIAN, J; CHARCONNET, F; CREVEAUX, J; JACQUOT, R; TERROINE, T | 1 |
| Fukuwatari, T; Nakata, C; Shibata, K | 1 |
| Fukuwatari, T; Kobayashi, R; Shibata, K | 1 |
| da Cunha, DF; Maltos, AL; Monteiro, MC; Moraes, GV; Portari, GV; Vannucchi, H | 1 |
| Emel'ianov, VV; Meshchaninov, VN; Shcherbakov, DL | 1 |
| Corrent, E; Le Floc'h, N; Matte, JJ; Simongiovanni, A | 2 |
| Bruls, YMH; Connell, NJ; de Vogel, J; Fealy, CE; Geurts, J; Grevendonk, L; Hageman, R; Havekes, B; Hoeks, J; Houtkooper, RH; Moonen-Kornips, E; Schrauwen, P; Schrauwen-Hinderling, VB; Zapata-Perez, R | 1 |
| Liu, Q; Liu, R; Lu, Q; Pu, Y; Wang, S; Yin, L; Yu, X; Zhang, H; Zhang, Y; Zhao, C; Zhou, J | 1 |
| Bechmann, N; Fröbel, D; Langner, M; Peitzsch, M; Stanke, D; Žygienė, G | 1 |
| Neale, G; Swain, CP; Tavill, AS | 1 |
| Bapurao, S; Krishnaswamy, K | 1 |
| Bousquet, B; Civatte, J; Dreux, C; Escande, C; Garnier, JP; Ramelet, AA; Sohier, J | 1 |
| Dickerson, JW; Wiryanti, J | 1 |
| Goldsmith, GA | 1 |
| Gopalan, C; Jaya Rao, KS | 1 |
| Katsambas, A; Stratigos, JD | 1 |
| Darby, WJ; McNutt, KW; Todhunter, EN | 1 |
| Rao, BS | 3 |
| Brown, RR; Hankes, LV; Jansen, CR; Leklem, JE | 1 |
| Krishnaswamy, K; Raghuram, TC; Rao, SB; Srikantia, SG | 1 |
| Atherton, DJ; Bender, DA; Bridges, NA; Clayton, PT; Malone, M; Milla, PJ | 1 |
| Abou-Saleh, MT; Coppen, A | 1 |
| Krieger, I; Statter, M | 1 |
| Bender, DA; McCreanor, GM; Salih, MA | 1 |
| Gopalan, C; Krishnaswamy, K | 1 |
| Bammer, HG | 1 |
| Gopalan, C | 1 |
| Belavady, B; Gopalan, C; Krishnamurthi, D | 1 |
| De Lange, DJ; De Villiers, LS; Du Plessis, JP; Kruger, H; Prinsloo, JG | 1 |
| Hansen, JD; Truswell, AS; Wannenburg, P | 1 |
| Brune, GG; Brune, RM; Wiskemann, A | 1 |
| Brown, RR; Hankes, LV; Leklem, JE; Mekel, RC | 2 |
| Gläsel, E; Moldenhauer, E; Moldenhauer, W; Pietsch, P | 1 |
| Castiello, RJ; Lynch, PJ | 1 |
| Ceauşi, G; Dumitrescu, C | 1 |
| Grimm, U; Schlenzka, K | 1 |
| Calandra, P | 3 |
| Barthélémy, JP; Bousquet, B; Civatte, J; Dreux, C; Larregue, M | 1 |
| Hategan, D; Luca, N; Voiculescu, V | 1 |
| Hankes, LV | 1 |
| Binazzi, M | 1 |
| Binazzi, M; Calandra, P | 1 |
| Boddaert, J; Dardenne, A; Letawe, P; Stalport, J | 1 |
| Abdel-Daim, MH; Abdel-Tawab, GA; Kholief, TS; Konbar, AA | 1 |
| Bertaud, J; Lambertz, J; Paupe, J; Vialatte, J | 1 |
| Blanchet, P; Civatte, J; Dao, C; Degos, R; Larrègue, M; Schnitzler, L | 1 |
| Cozzolino, G; Dominici, G; Latini, P | 1 |
| Bissanti, A; Mainardi, L | 2 |
| Barrett, RA; Cheraskin, E; Ringsdorf, WM; Setyaadmadja, AT | 1 |
| Thomas, RG; Wysor, WG | 1 |
| Dutra de Oliveira, JE; Mello de Oliveira, JA; Vannucchi, H | 1 |
| Bender, DA; Totoe, L | 1 |
| Freundlich, E; Statter, M; Yatziv, S | 1 |
| Katsambas, AD; Stratigos, JD | 1 |
| Chen, XC; Dong, JG; Huang, ZS; Lin, HF; Liu, SR; Liu, WX; Tong, XZ; Yan, HC; Yin, TA; Yu, XY | 1 |
| Krehl, WA | 1 |
| Pasmans, SG; Preesman, AH; van Vloten, WA | 1 |
| MCILWAIN, H; RODNIGHT, R | 1 |
| CRAWFORD, MA; GIRAO, CB; LOUGHRIDGE, LW; MILNE, MD | 1 |
| FLEISCHMAJER, R; HYMAN, AB | 1 |
| ASATOOR, AM; CRASKE, J; LONDON, DR; MILNE, MD | 1 |
| REDDY, V; SRIKANTIA, SG; VENKATACHALAM, PS | 1 |
| MILNE, MD | 1 |
| MURTAGH, JJ; RAPPALLINI, C | 1 |
| HERSOV, LA; RODNIGHT, R | 1 |
| BEAN, WB; DAUM, K; FRANKLIN, M | 1 |
| BEAN, WB; MUELLER, JF; VILTER, RW | 1 |
| Emed, A | 1 |
18 review(s) available for tryptophan and niacin
| Article | Year |
|---|---|
Implications of interferon-induced tryptophan catabolism in cancer, auto-immune diseases and AIDS.
Topics: Acquired Immunodeficiency Syndrome; Autoimmune Diseases; Enzyme Induction; Female; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Interferon Inducers; Interferon-gamma; Interferons; Interleukin-2; Kynurenine; Male; Neoplasms; Niacin; Serotonin; Tryptophan; Tryptophan Oxygenase | 1991 |
Tryptophan nutrition and metabolism: an overview.
Topics: Animals; Behavior; Behavior, Animal; Brain; Dietary Proteins; Humans; Kynurenine; Niacin; Nutritional Requirements; Oxidation-Reduction; Protein Biosynthesis; Rats; Serotonin; Tryptophan | 1991 |
The relationship of pellagra to corn and the low availability of niacin in cereals.
Topics: Animals; Biological Assay; Disease Models, Animal; Edible Grain; Europe; Humans; Niacin; Nutritive Value; Pellagra; Poverty; Species Specificity; Tryptophan; United States; Zea mays | 1983 |
Evaluating the role of niacin in human carcinogenesis.
Topics: Anticarcinogenic Agents; Diet; Erythrocytes; Humans; NAD; Niacin; Niacinamide; Poly Adenosine Diphosphate Ribose; Tryptophan | 1995 |
Tryptophan and niacin nutrition--is there a problem?
Topics: Adult; Animals; Cognition Disorders; Environmental Exposure; Humans; Hydrolases; Iron Deficiencies; Kynurenine 3-Monooxygenase; Lead Poisoning; Liver; Mixed Function Oxygenases; NAD; NADP; Neoplasms; Niacin; Nutritional Requirements; Oxidative Stress; Trace Elements; Tryptophan; Zinc | 1996 |
[TRYPTOPHAN AND ITS METABOLISM].
Topics: Amino Acids; Indoleacetic Acids; Indoles; Niacin; Nicotinic Acids; Research; Serotonin; Tryptophan | 1964 |
BIOSYNTHESIS OF ALKALOIDS.
Topics: Alkaloids; Enzymes; Metabolism; Niacin; Nicotinic Acids; Piperidines; Pyridines; Research; Tryptophan | 1965 |
[Nicotinic acid (niacin)].
Topics: Biomarkers; Chromatography, High Pressure Liquid; Humans; Niacin; Pellagra; Reference Standards; Specimen Handling; Tryptophan | 2004 |
Tryptophan metabolism in animals: important roles in nutrition and health.
Topics: Animal Nutritional Physiological Phenomena; Animals; Gene Expression Regulation; Homeostasis; Humans; Melatonin; Nervous System; Niacin; Nutritional Requirements; Serotonin; Tryptophan | 2011 |
Vitamin B complex. Thiamine, riboflavin, niacin, folic acid (folacin), vitamin B12, biotin.
Topics: Adolescent; Adult; Aged; Animals; Biotin; Chemical Phenomena; Chemistry; Child; Female; Folic Acid; Folic Acid Deficiency; Humans; Infant; Infant, Newborn; Male; Mouth Diseases; Nicotinic Acids; Nutritional Requirements; Pellagra; Pregnancy; Riboflavin; Riboflavin Deficiency; Thiamine; Thiamine Deficiency; Tryptophan; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex; Vitamin B Deficiency | 1975 |
Pellagra and amino acids imbalance.
Topics: Amino Acids; Animals; Copper; Diet; Edible Grain; Female; Humans; India; Isoleucine; Leucine; Male; Mental Disorders; Nicotinic Acids; Panicum; Pellagra; Skin Diseases; Tryptophan; Vitamin B Deficiency; Zea mays | 1975 |
Niacin.
Topics: Adolescent; Adult; Aged; Chemical Phenomena; Chemistry; Child; Child, Preschool; Dose-Response Relationship, Drug; Female; Hartnup Disease; Humans; Infant; Infant, Newborn; Leucine; Male; Middle Aged; Nicotinic Acids; Nutritional Requirements; Pellagra; Pregnancy; Tryptophan | 1975 |
The biology of folate in depression: implications for nutritional hypotheses of the psychoses.
Topics: Anorexia Nervosa; Biogenic Amines; Brain; Depressive Disorder; Diet; Folic Acid; Folic Acid Deficiency; Homocystinuria; Humans; Models, Theoretical; Pellagra; Pterins; S-Adenosylmethionine; Schizophrenia; Tryptophan; Vitamin B 12 Deficiency | 1986 |
[Neurological aspects of the vitamin B complex].
Topics: Alcoholism; Anticonvulsants; Cyanides; Deficiency Diseases; Electroencephalography; Erythrocytes; Folic Acid Deficiency; Humans; Isoniazid; Nervous System Diseases; Neurocognitive Disorders; Pellagra; Polyneuropathies; Schilling Test; Spinal Cord Diseases; Thiamine Deficiency; Transketolase; Tryptophan; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamin B Deficiency; Wernicke Encephalopathy | 1972 |
[Physiopathology of the nutritional imbalance caused by deficiency of vitamin PP].
Topics: Amino Acids; Animals; Avitaminosis; Humans; NAD; NADP; Niacinamide; Pellagra; Tryptophan | 1968 |
Biochemistry of tryptophan in health and disease.
Topics: Animals; Appetite Regulation; Brain Chemistry; Depressive Disorder; Female; Hartnup Disease; Humans; Male; Malignant Carcinoid Syndrome; Pellagra; Pineal Gland; Rats; Schizophrenia; Serotonin; Sleep; Tryptophan; Tryptophan Hydroxylase; Tryptophan Oxygenase; Urinary Bladder Neoplasms | 1983 |
Pellagra: "A reappraisal".
Topics: Alcoholism; Child; Child, Preschool; Diet; Drug-Related Side Effects and Adverse Reactions; Global Health; Greece; Humans; Malabsorption Syndromes; Male; Pellagra; Tryptophan | 1982 |
[RENAL TUBULAR DISEASES, WITH SPECIAL REFERENCE TO AMINOACIDURIA].
Topics: Cystinosis; Cystinuria; Galactosemias; Genetics, Medical; Glycine; Hepatolenticular Degeneration; Humans; Kidney; Kidney Diseases; Kidney Tubules; Metabolic Diseases; Metabolism; Multiple Myeloma; Nephrotic Syndrome; Pellagra; Renal Aminoacidurias; Tryptophan; Urine | 1964 |
5 trial(s) available for tryptophan and niacin
| Article | Year |
|---|---|
Interaction of niacin and zinc metabolism in patients with alcoholic pellagra.
Topics: Adult; Alcoholism; Drug Interactions; Female; Humans; Middle Aged; Niacin; Niacinamide; Pellagra; Tryptophan; Zinc | 1989 |
Diurnal variations in human urinary excretion of nicotinamide catabolites: effects of stress on the metabolism of nicotinamide.
Topics: Adult; Chromatography, High Pressure Liquid; Circadian Rhythm; Cold Temperature; Cross-Over Studies; Darkness; Female; Humans; Kinetics; Mental Processes; Niacin; Niacinamide; Stress, Physiological; Tryptophan | 2003 |
A search for biomarkers as diagnostic tools for food allergy: a pilot study in peanut-allergic patients.
Topics: Adolescent; Adult; Allergens; Arachis; Biomarkers; Creatinine; Discriminant Analysis; Female; Glutamine; Humans; Immunoglobulin E; Lactic Acid; Lipids; Magnetic Resonance Spectroscopy; Male; Middle Aged; Multivariate Analysis; Niacin; Peanut Hypersensitivity; Pilot Projects; Principal Component Analysis; Saliva; Signal Processing, Computer-Assisted; Tryptophan; Tyrosine; Young Adult | 2011 |
Tryptophan metabolism, growth responses, and postprandial insulin metabolism in weaned piglets according to the dietary provision of niacin (vitamin B) and tryptophan.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Diet; Dietary Supplements; Insulin; Kynurenine; Male; Niacin; Postprandial Period; Swine; Tryptophan; Vitamins | 2016 |
NAD+-Precursor Supplementation With L-Tryptophan, Nicotinic Acid, and Nicotinamide Does Not Affect Mitochondrial Function or Skeletal Muscle Function in Physically Compromised Older Adults.
Topics: Aged; Dietary Supplements; Female; Humans; Male; Mitochondria; Muscle, Skeletal; NAD; Niacin; Niacinamide; Tryptophan | 2021 |
419 other study(ies) available for tryptophan and niacin
| Article | Year |
|---|---|
Comparison of the accuracy of experimental and predicted pKa values of basic and acidic compounds.
Topics: Chemistry, Pharmaceutical; Forecasting; Hydrogen-Ion Concentration; Pharmaceutical Preparations; Random Allocation | 2014 |
Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.
Topics: Animals; Chemical and Drug Induced Liver Injury; Cluster Analysis; Databases, Factual; Humans; MEDLINE; Mice; Models, Chemical; Molecular Conformation; Quantitative Structure-Activity Relationship | 2010 |
Nicotinylalanine increases the formation of kynurenic acid in the brain and antagonizes convulsions.
Topics: Alanine; Animals; Anticonvulsants; Brain; Brain Chemistry; Chromatography, High Pressure Liquid; Dose-Response Relationship, Drug; Extracellular Matrix; Hippocampus; Kidney; Kynurenic Acid; Liver; Male; Niacin; Rats; Rats, Wistar; Receptors, N-Methyl-D-Aspartate; Serine; Tryptophan | 1992 |
Nicotinylalanine increases cerebral kynurenic acid content and has anticonvulsant activity.
Topics: Alanine; Animals; Anticonvulsants; Brain Chemistry; Electroshock; In Vitro Techniques; Kidney; Kynurenic Acid; Liver; Male; Mice; Mice, Inbred Strains; Niacin; Pentylenetetrazole; Rats; Rats, Inbred Strains; Seizures; Tryptophan | 1992 |
Pellagra, mycotoxins and tryptophan-niacin metabolism.
Topics: Aflatoxins; Animals; Aspergillus; Diet Surveys; Edible Grain; Food Contamination; Food Microbiology; Fusarium; Humans; India; Male; Mycotoxins; Niacin; Pellagra; Protein Deficiency; Rats; Rats, Inbred Strains; Rhizopus; T-2 Toxin; Tryptophan; Vitamin B 6 Deficiency | 1991 |
Why does a difference in growth rate between rats of the Wistar and Sprague Dawley strains occur when a niacin-free and tryptophan-limiting diet is fed?
Topics: Animals; Carboxy-Lyases; Growth Disorders; Liver; Niacin; Pentosyltransferases; Rats; Rats, Inbred Strains; Tryptophan | 1991 |
Impairment of kynurenine metabolism in cardiovascular disease.
Topics: Animals; Antihypertensive Agents; Cardiomyopathies; Cells, Cultured; Humans; Hypertension; Isoniazid; Kynurenine; Myocardium; Niacin; Rats; Rats, Inbred Strains; Tryptophan; Vasoconstriction; Vitamin B 6 Deficiency; Water-Electrolyte Imbalance | 1991 |
A case of drug-drug interaction involving clozapine.
Topics: Adult; Ascorbic Acid; Clozapine; Drug Eruptions; Drug Interactions; Humans; Male; Niacin; Schizophrenia; Schizophrenic Psychology; Tryptophan | 1991 |
Inhibition of tryptophan----niacin metabolism by dietary leucine and by leucine and 2-oxo-isocaproate in vitro.
Topics: Animals; Cells, Cultured; Depression, Chemical; Dietary Proteins; Keto Acids; Kynurenine; Leucine; Liver; NADP; Niacin; Niacinamide; Pellagra; Rats; Tryptophan; Xanthurenates | 1991 |
Efficiency of exogenous quinolinic acid, a metabolite of tryptophan, as a niacin precursor in rats.
Topics: Animals; Male; Niacin; Quinolinic Acid; Quinolinic Acids; Rats; Rats, Inbred Strains; Tryptophan | 1991 |
Effects of dietary fat and protein on the activity of alpha-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase and the urinary excretion of niacin metabolites in rats.
Topics: Algorithms; Animals; Body Weight; Carboxy-Lyases; Diet; Dietary Fats; Dietary Proteins; Kidney; Liver; Male; Niacin; Rats; Rats, Inbred Strains; Tryptophan | 1991 |
Metabolism of tryptophan to niacin in Saccharomyces uvarum.
Topics: Carbon Radioisotopes; Kynurenine; Niacin; Saccharomyces; Transaminases; Tryptophan | 1991 |
Effects of exogenous hemin on the niacin content of aerobically grown Saccharomyces uvarum.
Topics: Aerobiosis; Glucose; Hemin; Kinetics; Kynurenine; Niacin; Saccharomyces; Tryptophan | 1991 |
Assessment of niacin status in humans.
Topics: Adult; Erythrocytes; Humans; Male; NAD; Niacin; Nutritional Status; Tryptophan | 1990 |
Effect of dietary tryptophan levels on the urinary excretion of nicotinamide and its metabolites in rats fed a niacin-free diet or a constant total protein level.
Topics: Administration, Oral; Animals; Body Weight; Dietary Proteins; Liver; Male; Niacin; Niacinamide; Rats; Rats, Inbred Strains; Tryptophan | 1990 |
Comparison of effects of nicotinic acid or tryptophan on tryptophan 2,3-dioxygenase in acute and chronic studies.
Topics: Animals; Enzyme Activation; Kinetics; Liver; Male; Niacin; Rats; Rats, Inbred Strains; Tryptophan; Tryptophan Oxygenase | 1990 |
Conversion of tryptophan into niacin in the turkey (Meleagris gallipavos).
Topics: Animal Feed; Animals; Eating; Female; Glycine max; Hindlimb; Male; Niacin; Regression Analysis; Tryptophan; Turkeys; Zea mays | 1990 |
Effects of conditioned running on plasma, liver and brain tryptophan and on brain 5-hydroxytryptamine metabolism of the rat.
Topics: Animals; Brain; Conditioning, Operant; Desipramine; Hydroxyindoleacetic Acid; Liver; Male; Naloxone; Niacin; Physical Exertion; Rats; Rats, Inbred Strains; Running; Serotonin; Time Factors; Tryptophan; Valine | 1985 |
Effect of niacin and niacin-tryptophan deficiency on pancreatic acinar cell function in rats in vitro.
Topics: Amylases; Animals; Body Weight; Chymotrypsinogen; DNA; Lipase; Male; Niacin; Organ Size; Pancreas; Proteins; Rats; Rats, Inbred Strains; Trypsinogen; Tryptophan | 1986 |
Effects of lead and niacin on tryptophan and serotonin metabolism.
Topics: Animals; Brain; Brain Chemistry; Chickens; Diet; Harmaline; Hydroxyindoleacetic Acid; Lead; Lead Poisoning; Liver; Male; Monoamine Oxidase; Niacin; Probenecid; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tryptophan Oxygenase | 1988 |
Effects of a dietary excess of leucine and of the addition of leucine and 2-oxo-isocaproate on the metabolism of tryptophan and niacin in isolated rat liver cells.
Topics: Animals; Caproates; In Vitro Techniques; Keto Acids; Kynurenine; Leucine; Liver; Male; NAD; Niacin; Niacinamide; Rats; Rats, Inbred Strains; Tryptophan; Xanthurenates | 1989 |
Biochemical markers for assessment of niacin status in young men: levels of erythrocyte niacin coenzymes and plasma tryptophan.
Topics: Adult; Biomarkers; Diet; Erythrocytes; Food, Fortified; Humans; Leucine; Male; NAD; NADP; Niacin; Nutritional Status; Tryptophan | 1989 |
Effects of dietary pyrazinamide, tryptophan, or nicotinic acid and gamma-ray irradiation on levels of NAD and NADP in various organs of mice.
Topics: Animals; Eating; Female; Gamma Rays; Mice; Mice, Inbred C3H; NAD; NADP; Niacin; Organ Specificity; Pyrazinamide; Thymus Gland; Tryptophan | 1989 |
Effect of dietary orotic acid on the levels of liver and blood NAD in rats.
Topics: Animals; Body Weight; Creatinine; Diet; DNA; Fats; Liver; Male; NAD; Niacin; Organ Size; Orotic Acid; Proteins; Quinolinic Acid; Quinolinic Acids; Rats; Rats, Inbred Strains; Time Factors; Tryptophan | 1985 |
Leucine excess and niacin status in rats.
Topics: Animals; Body Weight; Diet; Edible Grain; India; Leucine; Liver; Male; Niacin; Niacinamide; Nicotinamide Mononucleotide; Nutritional Status; Pellagra; Rats; Rats, Inbred Strains; Statistics as Topic; Tryptophan; Vitamin B 6 Deficiency | 1987 |
The metabolism of high intakes of tryptophan, nicotinamide and nicotinic acid in the rat.
Topics: Animals; Chromatography, High Pressure Liquid; Male; Niacin; Niacinamide; Rats; Rats, Inbred Strains; Tryptophan; Urine | 1986 |
Is leucine excess a factor in pellagra?
Topics: Animals; Leucine; Niacin; Niacinamide; Pellagra; Rats; Tryptophan | 1987 |
Utilization of tryptophan, nicotinamide and nicotinic acid as precursors for nicotinamide nucleotide synthesis in isolated rat liver cells.
Topics: Animals; Cells, Cultured; Dose-Response Relationship, Drug; In Vitro Techniques; Liver; Male; NAD; NADP; Niacin; Niacinamide; Rats; Rats, Inbred Strains; Tryptophan | 1988 |
Effect of lead and niacin on growth and serotonin metabolism in chicks.
Topics: Adrenal Glands; Animals; Brain; Chickens; Diet; Drug Interactions; Growth; Indoles; Lead; Male; Niacin; Organ Size; Serotonin; Tryptophan | 1988 |
Nutritional requirements of shigellae for growth in a minimal medium.
Topics: Agar; Culture Media; Methionine; Niacin; Serotyping; Shigella; Tryptophan | 1988 |
[Peculiarities of nicotinic acid formation in coronary heart disease with special reference to heart arrhythmias].
Topics: Angina Pectoris; Animals; Arrhythmias, Cardiac; Coronary Disease; Female; Humans; Kynurenine; Lipid Metabolism; Male; Microscopy, Electron; Middle Aged; Myocardial Infarction; Myocardium; Niacin; Pyridoxal Phosphate; Ranidae; Rats; Rats, Inbred Strains; Tryptophan | 1988 |
Effect of chronic dietary treatment with nicotinic acid on the development and maintenance of deoxycorticosterone-acetate-salt-induced hypertension.
Topics: Animals; Body Weight; Desoxycorticosterone; Diet; Female; Hypertension; Niacin; Rats; Rats, Inbred Strains; Sodium Chloride; Tryptophan | 1988 |
Influence of niacin and whole cottonseed on intake, milk yield and composition, and systemic responses of dairy cows.
Topics: Animals; Cattle; Cottonseed Oil; Dietary Fats; Female; Lactation; Milk; Niacin; Pregnancy; Tryptophan | 1986 |
Pellagra treated with tryptophan.
Topics: Adult; Female; Humans; Niacin; Pellagra; Tryptophan | 1987 |
Interpretations of requirements for thiamin, riboflavin, niacin-tryptophan, and vitamin E plus comments on balance studies and vitamin B-6.
Topics: Animals; Humans; Niacin; Nutritional Requirements; Pyridoxine; Riboflavin; Thiamine; Tryptophan; Vitamin E; Vitamins | 1986 |
Lowering of plasma free tryptophan in normal and portacaval shunt dogs.
Topics: Animals; Blood Glucose; Dogs; Fatty Acids, Nonesterified; Glucose; Insulin; Niacin; Portacaval Shunt, Surgical; Protein Binding; Time Factors; Tryptophan | 1985 |
A reexamination of the composition of diets associated with pellagra.
Topics: Biological Availability; Diet; Diet Surveys; Energy Intake; Female; Humans; Male; Niacin; Nutritional Requirements; Pellagra; Riboflavin Deficiency; Tryptophan; United States | 1985 |
Suppressive effect of dietary unsaturated fatty acids on alpha-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase, a key enzyme of tryptophan-niacin metabolism in rat liver.
Topics: Animals; Carboxy-Lyases; Caseins; Depression, Chemical; Diet; Fatty Acids, Unsaturated; Kidney; Liver; Male; Niacin; Oils; Rats; Rats, Inbred Strains; Soybean Oil; Time Factors; Tryptophan | 1985 |
Pyridine nucleotides in the thyroid gland. II. Effect of nicotinamide, nicotinic acid and L-tryptophan administration.
Topics: Animals; Kinetics; Male; NAD; NADP; Niacin; Niacinamide; Oxidation-Reduction; Rats; Thyroid Gland; Tryptophan | 1968 |
The differences in growth and activity of the tryptophan-NAD pathway between Wistar and Sprague Dawley strains of rats fed on tryptophan-limited diet.
Topics: Animals; Carboxy-Lyases; Growth; Indoleamine-Pyrrole 2,3,-Dioxygenase; Male; NAD; Niacin; Niacinamide; Nicotinic Acids; Quinolinic Acids; Rats; Rats, Inbred Strains; Species Specificity; Tryptophan; Tryptophan Oxygenase | 1982 |
Probable mechanisms of regulation of the utilization of dietary tryptophan, nicotinamide and nicotinic acid as precursors of nicotinamide nucleotides in the rat.
Topics: Animals; Diet; Liver; Male; NAD; Niacin; Niacinamide; Nicotinamidase; Nicotinic Acids; Pentosyltransferases; Quinolinic Acids; Rats; Rats, Inbred Strains; Tryptophan | 1982 |
Effect of L-tryptophan and L-leucine on biosynthesis of niacin-related compounds in Saccharomyces carlsbergensis.
Topics: Culture Media; Leucine; NAD; NADP; Niacin; Niacinamide; Nicotinamidase; Pentosyltransferases; Saccharomyces; Tryptophan | 1982 |
The effects of a dietary excess of leucine on the synthesis of nicotinamide nucleotides in the rat.
Topics: Animals; Diet; Enzyme Activation; Hydrolases; Kynurenine; Leucine; Liver; Male; NADP; Niacin; Niacinamide; Pellagra; Rats; Rats, Inbred Strains; Tryptophan; Tryptophan Oxygenase | 1983 |
Effects of chronic ethanol feeding on the metabolism of tryptophan and nicotinamide in rats.
Topics: Animals; Diet; Ethanol; Male; Niacin; Niacinamide; Oxidation-Reduction; Rats; Rats, Inbred Strains; Tryptophan | 1983 |
Treatment of Hartnup disease with nicotinic acid.
Topics: Cerebellar Ataxia; Child; Female; Hartnup Disease; Humans; Male; Niacin; Niacinamide; Pellagra; Tryptophan | 1984 |
Effect of tryptophan intake on oxidation of [7a-14C]tryptophan and urinary excretion on N1-methylnicotinamide in the rat.
Topics: Animals; Body Weight; Dose-Response Relationship, Drug; Male; Niacin; Niacinamide; Nicotinic Acids; Nutritional Requirements; Oxidation-Reduction; Rats; Stereoisomerism; Tryptophan | 1982 |
Effect of nicotinamide intake on urinary excretion of N1-methylnicotinamide and oxidation of [7a-14C]tryptophan in the rat.
Topics: Animals; Dose-Response Relationship, Drug; Male; Niacin; Niacinamide; Nicotinic Acids; Oxidation-Reduction; Rats; Tryptophan | 1982 |
Effect of tryptophan and/or casein supplementation on NAD levels in livers of the rats fed on niacin- and protein-free diet.
Topics: Animals; Caseins; Diet; Liver; Male; NAD; Niacin; Protein Deficiency; Rats; Rats, Inbred Strains; Tryptophan | 1984 |
Niacin and tryptophan requirements of mule ducklings fed corn and soy-based diets.
Topics: Animals; Body Weight; Diet; Ducks; Female; Glycine max; Male; Niacin; Nutritional Requirements; Tryptophan; Zea mays | 1984 |
Factors affecting dietary requirement and deficiency signs of L-tryptophan in rainbow trout.
Topics: Animal Nutritional Physiological Phenomena; Animals; Body Composition; Diet; Fish Diseases; Niacin; Nutritional Requirements; Salmonidae; Trout; Tryptophan | 1983 |
Effects of dietary picolinate on mice deprived of tryptophan, niacin and vitamin B-6.
Topics: Animals; Blastocyst; Body Weight; Diet; Female; Mice; Niacin; Picolinic Acids; Pregnancy; Tryptophan; Vitamin B 6 Deficiency | 1983 |
Failure of dietary leucine to influence the tryptophan-niacin pathway in the chicken.
Topics: Amino Acids, Branched-Chain; Animals; Bone Diseases; Chickens; Dose-Response Relationship, Drug; Drug Interactions; Growth; Leucine; Male; Niacin; Nutritional Requirements; Poultry Diseases; Tryptophan | 1984 |
Effects of leucine/isoleucine ratio in amino acid mixture-diets simulating normal and high-lysine maize proteins on growth, nitrogen balance, and tryptophan-niacin metabolism in rats.
Topics: Amino Acids; Animals; Body Weight; Isoleucine; Leucine; Lysine; Male; Niacin; Nitrogen; Plant Proteins; Rats; Rats, Inbred Strains; Tryptophan; Zea mays | 1982 |
In vivo conversion of tryptophan to nicotinic acid in rats studied by simultaneous incorporation of [3H]-tryptophan and [14C]-nicotinic acid into liver NAD and NADP.
Topics: Animals; Dietary Proteins; Liver; NAD; NADP; Niacin; Rats; Rats, Inbred Strains; Tryptophan; Weaning | 1983 |
Precursor (amino acid): product (vitamin) interrelationship for growing chicks as illustrated by tryptophan-niacin and methionine-choline.
Topics: Animals; Body Weight; Chickens; Choline; Male; Methionine; Niacin; Nutritional Requirements; Tryptophan | 1983 |
Effects of niacin deficiency on pyridine nucleotide levels and enzyme activities in various organs of young growing quail.
Topics: Animals; Body Weight; Coturnix; Dose-Response Relationship, Drug; Liver; Muscles; NAD; NADP; Niacin; Nicotinic Acids; Quail; Tryptophan | 1982 |
Alterations of the tryptophan--nicotinic acid metabolism in vitiligo.
Topics: 3-Hydroxyanthranilic Acid; Adult; Female; Humans; Hydrolases; Kynurenic Acid; Kynurenine; Kynurenine 3-Monooxygenase; Male; Melanins; Mixed Function Oxygenases; Models, Biological; Niacin; Tryptophan; Vitiligo; Xanthurenates | 1982 |
Effect of dietary linoleic acid on the tryptophan-niacin metabolism in streptozotocin diabetic rats.
Topics: Animals; Body Weight; Diabetes Mellitus, Experimental; Diet; Eating; Linoleic Acid; Linoleic Acids; Male; Niacin; Niacinamide; Rats; Rats, Sprague-Dawley; Tryptophan | 1995 |
Conversion ratio of tryptophan to niacin in rats fed with a nicotinic acid-free, tryptophan-limiting diet.
Topics: Animals; Diet; Male; Niacin; Rats; Rats, Wistar; Tryptophan | 1995 |
Dietary niacin deficiency lowers tissue poly(ADP-ribose) and NAD+ concentrations in Fischer-344 rats.
Topics: Animals; Eating; Kidney; Liver; Lung; Male; Myocardium; NAD; Niacin; Pellagra; Poly Adenosine Diphosphate Ribose; Rats; Rats, Inbred F344; Tryptophan; Vitamin B Deficiency | 1994 |
Iron deficiency reduces the efficacy of tryptophan as a niacin precursor.
Topics: Animals; Chickens; Iron Deficiencies; Male; Niacin; Random Allocation; Tryptophan | 1994 |
Quantitative efficacy of niacin sources for chicks: nicotinic acid, nicotinamide, NAD and tryptophan.
Topics: Analysis of Variance; Animal Feed; Animals; Biological Assay; Chickens; Dose-Response Relationship, Drug; Eating; Liver; Male; Muscles; NAD; NADP; Niacin; Niacinamide; Regression Analysis; Tryptophan; Weight Gain | 1993 |
Poly(ADP-ribose) polymerase activity and DNA strand breaks are affected in tissues of niacin-deficient rats.
Topics: Animals; Body Weight; DNA Damage; Eating; Liver; Lung; Lymphocytes; Male; Muscles; NAD; Niacin; Poly(ADP-ribose) Polymerases; Rats; Rats, Sprague-Dawley; Spleen; Tryptophan; Vitamin B Deficiency; Weight Gain | 1993 |
Biochemical teamwork: revealing the niacin-tryptophan relationship.
Topics: Animals; Biochemistry; Dogs; History, 20th Century; Humans; Niacin; Rats; Tryptophan; United States | 1993 |
Characterization of environmental regulators of Bordetella pertussis.
Topics: Bacterial Proteins; Bordetella pertussis; Carboxylic Acids; Chlorine; Chlorobenzoates; Gene Expression Regulation, Bacterial; Hydrogen-Ion Concentration; Ions; Niacin; Retinoids; Solubility; Structure-Activity Relationship; Sulfates; Transcription Factors; Transcription, Genetic; Tryptophan | 1993 |
Effect of supplemental niacin on sow reproduction and sow and litter performance.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Animals, Suckling; Female; Food, Fortified; Lactation; Niacin; Reproduction; Swine; Tryptophan | 1993 |
Effects of vitamin B6 deficiency on the conversion ratio of tryptophan to niacin.
Topics: Animals; Diet; Feeding Behavior; Kynurenic Acid; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Vitamin B 6 Deficiency; Weight Gain; Xanthurenates | 1995 |
Effects of adrenalin on the conversion ratio of tryptophan to niacin in rats.
Topics: Animals; Body Weight; Epinephrine; Feeding Behavior; Male; Niacin; Rats; Rats, Wistar; Tryptophan | 1995 |
The effect of niacin deficiency on diethylnitrosamine-induced hepatic poly(ADP-ribose) levels and altered hepatic foci in the Fischer-344 rat.
Topics: Animals; Diethylnitrosamine; Glutathione Transferase; Liver; Male; NAD; Niacin; Poly Adenosine Diphosphate Ribose; Rats; Rats, Inbred F344; Tryptophan | 1995 |
NAD+ biosynthesis and metabolic fluxes of tryptophan in hepatocytes isolated from rats fed a clofibrate-containing diet.
Topics: Animals; Cells, Cultured; Clofibrate; Diet; Liver; Male; NAD; Niacin; Pentosyltransferases; Rats; Rats, Sprague-Dawley; Tryptophan | 1996 |
In vivo inhibition of kynurenine aminotransferase activity by isonicotinic acid hydrazide in rats.
Topics: Animals; Antitubercular Agents; Disease Models, Animal; Enzyme Inhibitors; Isoniazid; Lyases; Male; Niacin; Pyruvates; Rats; Rats, Wistar; Transaminases; Tryptophan | 1996 |
Influence of diet free of NAD-precursors on acetaminophen hepatotoxicity in mice.
Topics: Acetaminophen; Alanine Transaminase; Analgesics, Non-Narcotic; Animals; Aspartate Aminotransferases; Chemical and Drug Induced Liver Injury; Ethanol; Female; Mice; Niacin; Poly(ADP-ribose) Polymerases; Tryptophan | 1996 |
Decreases in aggression in tryptophan-supplemented broiler breeder males are not due to increases in blood niacin levels.
Topics: Aggression; Animals; Behavior, Animal; Chickens; Food, Fortified; Male; Niacin; Niacinamide; Tryptophan | 1996 |
Purification and properties of alpha-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase (ACMSD), key enzyme of niacin synthesis from tryptophan, from hog kidney.
Topics: Ammonium Sulfate; Animals; Carboxy-Lyases; Chromatography; Cytosol; Enzyme Inhibitors; Fractional Precipitation; Hydrogen-Ion Concentration; Kidney; Kinetics; Molecular Weight; Niacin; Swine; Tryptophan | 1996 |
Increased conversion ratio of tryptophan to niacin by the administration of clofibrate, a hypolipidemic drug, to rats.
Topics: Animals; Clofibrate; Hypolipidemic Agents; Liver; Male; NAD; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Weaning; Weight Gain | 1996 |
Effects of feeding tryptophan-limiting diets on the conversion ratio of tryptophan to niacin in rats.
Topics: Amino Acids; Animals; Caseins; Diet; Eating; Gelatin; Liver; Male; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Weight Gain; Zein | 1996 |
Crohn's disease associated with pellagra and increased excretion of 5-hydroxyindolacetic acid.
Topics: Anti-Inflammatory Agents; Crohn Disease; Female; Humans; Hydroxyindoleacetic Acid; Intestinal Absorption; Intestines; Middle Aged; Niacin; Nutrition Disorders; Pellagra; Tryptophan | 1997 |
Tryptophan's role as a vitamin precursor (Krehl et al., 1945).
Topics: Animals; History, 20th Century; Humans; Niacin; Nutritional Requirements; Tryptophan | 1997 |
Change of tryptophan-niacin metabolism in D-galactosamine-induced liver injury in rat.
Topics: Alanine Transaminase; Animals; Aspartate Aminotransferases; Carboxy-Lyases; Galactosamine; Indoleamine-Pyrrole 2,3,-Dioxygenase; Liver; Male; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Tryptophan Oxygenase | 1997 |
Effects of sex hormones on the metabolism of tryptophan to niacin and to serotonin in male rats.
Topics: Animals; Appetite; Body Weight; Brain; Carboxy-Lyases; Eating; Estrone; Female; Gonadal Steroid Hormones; Hydroxyindoleacetic Acid; Liver; Male; Niacin; Niacinamide; Pellagra; Pregnancy; Rats; Rats, Wistar; Serotonin; Testosterone; Tryptophan | 1997 |
Conversion ratio of tryptophan to niacin in rats fed a vitamin B1-free diet.
Topics: Animals; Diet; Male; Niacin; Rats; Rats, Wistar; Thiamine; Tryptophan; Tryptophan Oxygenase | 1997 |
Effects of dietary pyrazinamide on the metabolism of tryptophan to niacin in streptozotocin-diabetic rats.
Topics: Animals; Blood Glucose; Body Weight; Diabetes Mellitus, Experimental; Glycosuria; Male; Niacin; Poly(ADP-ribose) Polymerase Inhibitors; Pyrazinamide; Rats; Rats, Wistar; Tryptophan | 1997 |
The role of adrenal hormones in the activation of tryptophan 2,3-dioxygenase by nicotinic acid in rat liver.
Topics: Adrenalectomy; Animals; Corticosterone; Dose-Response Relationship, Drug; Enzyme Activation; Epinephrine; Infusion Pumps, Implantable; Liver; Niacin; Rats; Tryptophan; Tryptophan Oxygenase | 1997 |
The yeast gene YJR025c encodes a 3-hydroxyanthranilic acid dioxygenase and is involved in nicotinic acid biosynthesis.
Topics: 3-Hydroxyanthranilate 3,4-Dioxygenase; Base Sequence; Dioxygenases; Gene Deletion; Genes, Fungal; Genetic Complementation Test; Kynurenine; Molecular Sequence Data; Niacin; Oxygenases; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Tryptophan | 1998 |
NAD+ biosynthesis from tryptophan in the presence of nicotinic acid or vice versa by rat hepatocytes--effect of clofibrate-feeding.
Topics: Animals; Biological Transport; Clofibrate; Glutarates; Hydrolases; Liver; Male; Microbodies; NAD; Niacin; Rats; Rats, Sprague-Dawley; Tryptophan | 1998 |
Increased conversion ratio of tryptophan to niacin in severe food restriction.
Topics: Animals; Food Deprivation; Kynurenic Acid; Male; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Xanthurenates | 1998 |
Dietary linoleic acid alters alpha-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase (ACMSD), a key enzyme of niacin synthesis from tryptophan, in the process of protein expression in rat liver.
Topics: Animals; Carboxy-Lyases; Dietary Fats; Dietary Fats, Unsaturated; Electrophoresis, Gel, Two-Dimensional; Linoleic Acid; Liver; Male; Mice; Mice, Inbred BALB C; Niacin; Rats; Rats, Sprague-Dawley; Swine; Tryptophan; Weight Gain | 1998 |
Tryptophan-niacin metabolism in liver cirrhosis rat caused by carbon tetrachloride.
Topics: Alanine Transaminase; Animals; Aspartate Aminotransferases; Carbon Tetrachloride; Liver Cirrhosis, Experimental; Male; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Weight Gain | 1999 |
Niacin as a potential AIDS preventive factor.
Topics: Acquired Immunodeficiency Syndrome; ADP-ribosyl Cyclase; ADP-ribosyl Cyclase 1; Antigens, CD; Antigens, Differentiation; Humans; Membrane Glycoproteins; NAD; NAD+ Nucleosidase; Niacin; Pellagra; Tryptophan | 1999 |
Vitamin effects on tryptophan-niacin metabolism in primary hepatoma patients.
Topics: 3-Hydroxyanthranilic Acid; Biotransformation; Black People; Carbon Radioisotopes; Carcinoma, Hepatocellular; Dietary Supplements; Humans; Liver Neoplasms; Male; Niacin; Nutritional Physiological Phenomena; Pyridoxine; Riboflavin; South Africa; Thiamine; Tryptophan; Vitamins | 1999 |
Effects of peroxisome-proliferators on the TRP-NAD pathway.
Topics: Animals; Carboxy-Lyases; Cells, Cultured; Clofibrate; Female; Liver; Male; NAD; NADP; Niacin; Oxidation-Reduction; Pentosyltransferases; Peroxisome Proliferators; Peroxisomes; Phenothiazines; Rats; Rats, Sprague-Dawley; Receptors, Cytoplasmic and Nuclear; Transcription Factors; Tryptophan | 1999 |
Nutritional factors that regulate on the conversion of L-tryptophan to niacin.
Topics: Animals; Diet; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Male; Niacin; Rats; Rats, Wistar; Tryptophan | 1999 |
Efficiency of D-tryptophan as Niacin in rats.
Topics: Animals; Body Weight; Diet; Energy Intake; Isomerism; Male; Niacin; Rats; Rats, Wistar; Tryptophan | 2000 |
Hypothesized treatment for migraines using low doses of tryptophan, niacin, calcium, caffeine, and acetylsalicylic acid.
Topics: Adult; Aspirin; Caffeine; Calcium; Dose-Response Relationship, Drug; Drug Therapy, Combination; Humans; Middle Aged; Migraine Disorders; Niacin; Tryptophan | 2001 |
Plasma nicotinic acid level in chloroquine treated rats.
Topics: Animals; Antimalarials; Biotransformation; Chloroquine; Drug Evaluation, Preclinical; Drug Monitoring; Male; Niacin; Rats; Rats, Inbred Strains; Tryptophan; Tryptophan Oxygenase | 2000 |
Effects of dietary pyrazinamide, an antituberculosis agent, on the metabolism of tryptophan to niacin and of tryptophan to serotonin in rats.
Topics: Animals; Antitubercular Agents; Diet; Eating; Liver; Male; NAD; NADP; Niacin; Pyrazinamide; Quinolinic Acid; Rats; Rats, Wistar; Serotonin; Tryptophan; Weight Gain | 2001 |
Enzyme activities involved in tryptophan metabolism along the kynurenine pathway in rabbits.
Topics: 3-Hydroxyanthranilate 3,4-Dioxygenase; Animals; Carboxy-Lyases; Dioxygenases; Hydrolases; Indoleamine-Pyrrole 2,3,-Dioxygenase; Intestines; Kidney; Kynurenine; Kynurenine 3-Monooxygenase; Liver; Male; Mixed Function Oxygenases; Models, Chemical; Niacin; Oxygenases; Picolinic Acids; Rabbits; Tryptophan; Tryptophan Oxygenase | 2001 |
Increased conversion ratio of tryptophan to niacin by dietary di-n-butylphthalate.
Topics: Animals; Caseins; Dibutyl Phthalate; Dose-Response Relationship, Drug; Male; Niacin; Rats; Rats, Wistar; Tryptophan | 2001 |
[Effect of feeding with a poisonous mushroom Clitocybe acromelalga on the metabolism of tryptophan-niacin in rats].
Topics: Animals; Kidney; Liver; Male; Mushroom Poisoning; NAD; Niacin; Rats; Rats, Wistar; Tryptophan | 2001 |
Influence of adenine-induced renal failure on tryptophan-niacin metabolism in rats.
Topics: 3-Hydroxyanthranilic Acid; Adenine; Animals; Kidney; Kynurenic Acid; Liver; Male; NAD; Niacin; Quinolinic Acid; Rats; Rats, Wistar; Renal Insufficiency; Tryptophan; Xanthurenates | 2001 |
Enzyme activities along the tryptophan-nicotinic acid pathway in alloxan diabetic rabbits.
Topics: 3-Hydroxyanthranilate 3,4-Dioxygenase; Animals; Carboxy-Lyases; Cholesterol, Dietary; Diabetes Mellitus, Experimental; Dioxygenases; Hyperlipidemias; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kidney; Kynurenine; Kynurenine 3-Monooxygenase; Liver; Male; Mixed Function Oxygenases; Niacin; Oxygenases; Rabbits; Tryptophan; Tryptophan Oxygenase | 2002 |
Elucidation of the toxic mechanism of the plasticizers, phthalic acid esters, putative endocrine disrupters: effects of dietary di(2-ethylhexyl)phthalate on the metabolism of tryptophan to niacin in rats.
Topics: Administration, Oral; Animals; Body Weight; Diethylhexyl Phthalate; Dose-Response Relationship, Drug; Energy Intake; Liver; NAD; NADP; Niacin; Organ Size; Rats; Tryptophan | 2002 |
Expression of rat hepatic 2-amino-3-carboxymuconate-6-semialdehyde decarboxylase is affected by a high protein diet and by streptozotocin-induced diabetes.
Topics: Animals; Carboxy-Lyases; Diabetes Mellitus, Experimental; Dietary Proteins; Gene Expression Regulation, Enzymologic; Liver; Male; Niacin; Rats; Rats, Sprague-Dawley; RNA, Messenger; Time Factors; Tryptophan | 2002 |
Aerobic and anaerobic NAD+ metabolism in Saccharomyces cerevisiae.
Topics: Aerobiosis; Anaerobiosis; Gene Deletion; Genes, Fungal; Hydrolases; NAD; Niacin; Pentosyltransferases; Saccharomyces cerevisiae; Sodium-Phosphate Cotransporter Proteins; Sodium-Phosphate Cotransporter Proteins, Type III; Symporters; Tryptophan | 2002 |
Identification and expression of a cDNA encoding human alpha-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase (ACMSD). A key enzyme for the tryptophan-niacine pathway and "quinolinate hypothesis".
Topics: Amino Acid Sequence; Animals; Base Sequence; Brain; Carboxy-Lyases; COS Cells; DNA, Complementary; DNA, Recombinant; Humans; Kidney; Molecular Sequence Data; Niacin; Quinolinic Acid; Sequence Homology, Amino Acid; Swine; Tryptophan | 2002 |
Effects of fatty liver induced by niacin-free diet with orotic acid on the metabolism of tryptophan to niacin in rats.
Topics: Animals; Diet; Fats; Fatty Liver; Feeding Behavior; Liver; Male; NAD; NADP; Niacin; Organ Size; Orotic Acid; Quinolinic Acid; Rats; Rats, Wistar; Tryptophan; Vitamin B Deficiency; Weight Gain | 2002 |
Growth-promoting activity of pyrazinoic acid, a putative active compound of antituberculosis drug pyrazinamide, in niacin-deficient rats through the inhibition of ACMSD activity.
Topics: Animals; Antitubercular Agents; Carboxy-Lyases; Diet; Eating; Injections, Intraperitoneal; Kidney; Kynurenic Acid; Liver; Male; NAD; Niacin; Pyrazinamide; Rats; Rats, Wistar; Tryptophan; Weight Gain; Xanthurenates | 2002 |
Identification of a toxic mechanism of the plasticizers, phtahlic acid esters, which are putative endocrine disrupters: time-dependent increase in quinolinic acid and its metabolites in rats fed di(2-ethylhexyl)phthalate.
Topics: Animals; Body Weight; Carboxy-Lyases; Diethylhexyl Phthalate; Feeding Behavior; Hexanols; Liver; Niacin; Quinolinic Acid; Rats; Tryptophan | 2002 |
Sustained-release niacin for prevention of migraine headache.
Topics: Delayed-Action Preparations; Female; Humans; Kynurenine; Middle Aged; Migraine Disorders; Niacin; Serotonin; Tryptophan; Vasodilator Agents | 2003 |
Tryptophan-Niacin relationship in the developing chick embryo.
Topics: Embryonic Development; Niacin; Nicotinic Acids; Tryptophan | 1952 |
Effect of untreated corn and mexican tortilla upon the growth of rats on a niacin-tryptophan deficient diet.
Topics: Animals; Bread; Diet; Mexico; Niacin; Nicotinic Acids; Rats; Tryptophan; Zea mays | 1952 |
A study of gelatin-tryptophane-niacin interrelationships.
Topics: Gelatin; Humans; Niacin; Nicotinic Acids; Tryptophan | 1952 |
[Microbiological method for determination of nicotinic acid and tryptophan on hen's egg].
Topics: Animals; Chickens; Eggs; Female; Niacin; Nicotinic Acids; Tryptophan | 1952 |
REQUIREMENTS for niacin and tryptophan in man.
Topics: Humans; Niacin; Tryptophan | 1953 |
[Formation of pyridine-nucleotides from tryptophan and from nicotinamide in human erythrocytes in vitro].
Topics: Erythrocytes; Humans; In Vitro Techniques; Niacin; Niacinamide; Nucleotides; Tryptophan | 1952 |
Niacin-tryptophan deficiency resulting from amono acid imbalance in non-casein diets.
Topics: Amino Acids; Caseins; Diet; Niacin; Tryptophan | 1953 |
[Tryptophan-nicotinic acid interrelations. I..].
Topics: Biochemical Phenomena; Embryo, Mammalian; Embryo, Nonmammalian; Niacin; Nicotinic Acids; Tryptophan | 1953 |
[Tryptophan-nicotinic acid interrelations. II..].
Topics: Biochemical Phenomena; Embryo, Mammalian; Embryo, Nonmammalian; Niacin; Nicotinic Acids; Tryptophan | 1953 |
[Studies on the metabolites of tryptophan. II. Urinary elimination of nicotinic acid and trigonelline in the child after loading with tryptophan and vitamin B6].
Topics: Alkaloids; Biochemical Phenomena; Body Fluids; Humans; Niacin; Nicotinic Acids; Tryptophan; Vitamin B 6 | 1953 |
The effect of vitamin deficiencies on some physiological factors of importance in resistance to infection. I. Niacin-tryptophane deficiency.
Topics: Avitaminosis; Niacin; Tryptophan | 1954 |
Liver as the site of synthesis of nicotinic acid from tryptophane in rats.
Topics: Animals; Biochemical Phenomena; Liver; Meridians; Niacin; Nicotinic Acids; Rats; Tryptophan | 1954 |
The tryptophan requirement of the rat as affected by niacin and level of dietary nitrogen.
Topics: Animals; Diet; Niacin; Nicotinic Acids; Nitrogen; Rats; Tryptophan | 1954 |
Tryptophane-sparing effect of nicotinic acid.
Topics: Diet; Niacin; Nicotinic Acids; Tryptophan | 1954 |
Significance of enzymatically catalyzed exchange reactions in chemotherapy.
Topics: Animals; Coenzymes; Liver; Mice; Neoplasms; Niacin; Niacinamide; Nicotinic Acids; Pyridines; Tryptophan | 1954 |
The inactivation of certain nutrients in culture media by heating with glucose, and its relation to the growth of certain lactobacilli.
Topics: Culture Media; Cystine; Glucose; Heating; Hot Temperature; Lactobacillus; Leuconostoc; Niacin; Nicotinic Acids; Physiological Phenomena; Tryptophan | 1954 |
Transformation of L-tryptophane into nicotinic acid in liver slices of the young rat in the presence of some of the vitamins of the B group.
Topics: Animals; Liver; Niacin; Nicotinic Acids; Rats; Tryptophan; Vitamin A; Vitamins | 1954 |
The absence of a tryptophan-niacin relationship in Escherichia coli and Bacillus subtilis.
Topics: Bacillus; Bacillus subtilis; Escherichia coli; Niacin; Tryptophan | 1954 |
Niacin-tryptophan deficiency resulting from imbalances in amino acid diets.
Topics: Amino Acids; Diet; Dietary Proteins; Niacin; Tryptophan | 1955 |
[The methionine, tryptophan and niacin content of the food rations of Venetian workers affected with pellagra].
Topics: Humans; Methionine; Niacin; Nicotinic Acids; Pellagra; Tryptophan | 1954 |
Studies of niacin requirement in man. II. Requirement on wheat and corn diets low in tryptophan.
Topics: Diet; Dietary Fats, Unsaturated; Humans; Male; Niacin; Plant Oils; Triticum; Tryptophan; Zea mays | 1955 |
[New data on metabolism of L-tryptophan in biosynthesis of nicotinic acid].
Topics: Biochemical Phenomena; Niacin; Nicotinic Acids; Tryptophan | 1954 |
Nicotinic acid metabolism in humans. I. The urinary excretion of nicotinic acid and its metabolic derivatives on four levels of dietary intake.
Topics: Diet; Humans; Niacin; Nicotinic Acids; Tryptophan; Urine | 1955 |
The conversion of L-and D-tryptophan to niacin in human body.
Topics: Animals; Human Body; Humans; Niacin; Rats; Tryptophan | 1955 |
Effect of 3-acetylpyridine on pyridine nucleotide formation from tryptophan and niacin.
Topics: Niacin; Nucleotides; Pyridines; Tryptophan | 1955 |
[Comparative influence of B6 deficiency and of isoniazide on metabolism of L-tryptophan and D-tryptophan in the white rat].
Topics: Animals; Biochemical Phenomena; Isomerism; Leadership; Niacin; Nicotinic Acids; Rats; Tryptophan; Vitamin B 6 Deficiency | 1955 |
Quantitative aspects of the nicotinic acid-tryptophan interrelationship in the chick.
Topics: Animals; Chickens; Niacin; Nicotinic Acids; Tryptophan | 1955 |
Interrelationships of tryptophan, nicotinic acid and other B vitamins.
Topics: Humans; Niacin; Nicotinic Acids; Tryptophan; Vitamin B Complex; Vitamins | 1956 |
The tryptophanenicotinic acid relationships and alkaloid biosynthesis in certain solanaceae.
Topics: Alkaloids; Datura stramonium; Niacin; Nicotinic Acids; Solanaceae; Solanum lycopersicum; Tryptophan | 1956 |
Studies on the biosynthesis of nicotinic acid from tryptophan in the rhesus monkey.
Topics: Animals; Macaca mulatta; Niacin; Nicotinic Acids; Tryptophan | 1957 |
Niacin biosynthesis in germinating cereals and pulses. II. Further observations on the effect of tryptophane on alkali-labiie precursor of niacin during germination in cereals.
Topics: Alkalies; Cardiovascular Physiological Phenomena; Edible Grain; Germination; Niacin; Pulse; Tryptophan | 1957 |
Relative roles of niacin and tryptophan in maintaining blood pyridine nucleotides, nitrogen balance and growth in adult rats.
Topics: Animals; Growth; Niacin; Nicotinic Acids; Nitrogen; Nucleosides; Nucleotides; Rats; Tryptophan | 1957 |
Oxidized pyridine nucleotides in various fractions of the blood and niacin and tryptophan metabolites in the urine of women on a controlled adequate dietary.
Topics: Coenzymes; Diet; Female; Humans; Niacin; Nicotinic Acids; Nucleotides; Tryptophan | 1957 |
Nicotinic acid-tryptophan metabolism in certain diseases.
Topics: Humans; Krypton; Krypton Radioisotopes; Niacin; Nicotinic Acids; Tryptophan | 1958 |
Tryptophan-nicotinic acid metabolism in schizophrenia.
Topics: Biochemical Phenomena; Niacin; Schizophrenia; Tryptophan | 1958 |
Tryptophan-niacin relationships in pregnancy.
Topics: Female; Humans; Niacin; Pregnancy; Tryptophan | 1958 |
Observations of schizophrenic patients after iproniazid and tryptophan.
Topics: Iproniazid; Isomerism; Niacin; Nicotinic Acids; Schizophrenia; Tryptophan | 1958 |
Nicotinic acid-tryptophan metabolism in man.
Topics: Niacin; Nicotinic Acids; Tryptophan | 1958 |
Niacin-tryptophan requirements of man; designation in terms of niacin-equivalents.
Topics: Humans; Male; Niacin; Nicotinic Acids; Tryptophan | 1958 |
[Biochemical defects in the tryptophan-nicotinic acid metabolic system. I].
Topics: Biochemical Phenomena; Niacin; Nicotinic Acids; Tryptophan | 1958 |
[Biochemical defects in the tryptophan-nicotinic acid metabolic system. II].
Topics: Biochemical Phenomena; Encephalomyelitis; Neoplasms; Niacin; Nicotinic Acids; Tryptophan | 1958 |
Lack of tryptophan-niacin relationship in corn and tobacco.
Topics: Humans; Niacin; Nicotiana; Tryptophan; Zea mays | 1959 |
The adrenal response to alcohol intoxication in rats maintained with diets deficient in tryptophan, niacin or lysine.
Topics: Adrenal Cortex; Alcoholic Intoxication; Animals; Ascorbic Acid; Cholesterol; Diet; Lysine; Niacin; Pellagra; Rats; Tryptophan | 1958 |
Some aspects of tryptophan metabolism in human subjects. I. Nitrogen balances, blood pyridine nucleotides and urinary excretion of N1-methylnicotinamide and N1-methyl-2-pyridone-5-carboxamide on a low-niacin diet.
Topics: Diet; Humans; Niacin; Niacinamide; Nitrogen; Nucleosides; Nucleotides; Pyridones; Tryptophan; Vitamins | 1958 |
Some aspects of tryptophan metabolism in human subjects. II. Urinary tryptophan metabolites on a low-niacin diet.
Topics: Diet; Humans; Niacin; Tryptophan | 1958 |
A comparison of the effect of raw corn and tortillas (lime-treated corn) with niacin, tryptophan or beans on the growth and muscle niacin of rats.
Topics: Animals; Bread; Calcium Compounds; Fabaceae; Growth; Muscles; Niacin; Oxides; Rats; Tryptophan; Zea mays | 1959 |
[Vitamin B6 deficiency and urine excretion of xanthuric acid and other tryptophan metabolites. III. Transformation of tryptophan into nicotinic acid in vitamin B6 deficiency states].
Topics: Avitaminosis; Body Fluids; Humans; Niacin; Nicotinic Acids; Tryptophan; Vitamin B 6 Deficiency; Vitamin B Deficiency; Vitamins | 1959 |
[Changes in hepatic tryptophan-peroxidase-oxidase (TPO) induced by various drugs].
Topics: Chlorpromazine; Liver; Niacin; Nicotinic Acids; Oxidoreductases; Pentobarbital; Peroxidase; Peroxidases; Phenylbutazone; Reserpine; Tryptophan | 1959 |
[Blood sugar changes induced by serotonin and substances capable of modifying the serotonin content of tissues].
Topics: Blood Glucose; Hydrazines; Niacin; Nicotinic Acids; Serotonin; Serotonin Agents; Tryptophan | 1959 |
The biosynthesis of nicotinic acid from tryptophan in the rat liver during pregnancy and foetal and neonatal life.
Topics: Animals; Biochemical Phenomena; Female; Fetus; Infant, Newborn; Life; Liver; Niacin; Nicotinic Acids; Pregnancy; Rats; Tryptophan | 1961 |
[Research on the biosynthesis of nicotinic acid from tryptophan during pregnancy and the fetal and neonatal period. Tryptophan-pyrrolase and 3-hydroxyanthranilic oxidase activity of rat liver].
Topics: Animals; Fetus; Infant, Newborn; Liver; Niacin; Nicotinic Acids; Oxidoreductases; Pregnancy; Rats; Tryptophan; Tryptophan Oxygenase | 1960 |
[On the spontaneous urinary excretion of metabolites of the tryptophan-nicotinic acid interaction of 2 infant brothers with the Fanconi type of congenital hypoplastic anemia].
Topics: Anemia; Anemia, Aplastic; Anemia, Hypoplastic, Congenital; Child; Humans; Infant; Male; Niacin; Nicotinic Acids; Siblings; Tryptophan | 1960 |
Effect of a tryptophan-niacin deficient diet on the adrenal response of rats exposed to cold and alcohol intoxication.
Topics: Adrenal Glands; Alcoholic Intoxication; Animals; Cold Temperature; Diet; Niacin; Pellagra; Rats; Tryptophan | 1961 |
Blockage of transformation of tryptophan to nicotinic acid by experimental hepatitis in mice.
Topics: Animals; Communicable Diseases; Hepatitis; Hepatitis A; Mice; Niacin; Nicotinic Acids; Tryptophan | 1961 |
[On the metabolic conversion of tryptophan to nicotinic acid in experimental mouse hepatitis caused by MHV-3 virus].
Topics: Communicable Diseases; Hepatitis; Hepatitis A; Niacin; Nicotinic Acids; Tryptophan | 1961 |
[Possibility of diagnosis of tumors of the bladder by chromatographic revelation of metabolites of the tryptophan-nicotinic acid interrelation].
Topics: Humans; Kynurenine; Niacin; ortho-Aminobenzoates; Tryptophan; Urinary Bladder Neoplasms; Urine | 1960 |
Tryptophan-nicotinic acid metabolism in patients with tumours of the bladder. Changes in the excretory products after treatment with nicotinamide and vitamin B6.
Topics: Humans; Neoplasms; Niacin; Niacinamide; Nicotinic Acids; Tryptophan; Urinary Bladder Neoplasms; Vitamin B 6 | 1961 |
[Studies on the metabolic conversion of tryptophan into nicotinic acid in individuals with tumors of the bladder. Modifications in the urinary excretory picture after the administration of nicotinamide and vitamin B6].
Topics: Humans; Neoplasms; Niacin; Niacinamide; Nicotinic Acids; Tryptophan; Urinary Bladder Neoplasms; Vitamin B 6 | 1960 |
[Tryptophan loading and vitamin B6 deficiency. I. Excretion of xanthurenic acid, kynurenine, trigonelline amide, and 5-hydroxyindoleacetic acid in various diseases].
Topics: Alkaloids; Amides; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Kynurenic Acid; Kynurenine; Niacin; Nicotinic Acids; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates | 1961 |
[On the transformation of tryptophan into nicotinic acid in vitamin B-6 deficient rats].
Topics: Animals; Niacin; Nicotinic Acids; Rats; Tryptophan; Vitamin B 6; Vitamin B 6 Deficiency; Vitamins | 1961 |
Studies on the spontaneous urinary elimination of metabolites from the tryptophan-nicotinic acid pathway in children afflicted by various diseases.
Topics: Biochemical Phenomena; Niacin; Nicotinic Acids; Tryptophan | 1960 |
Interrelation of tryptophan and nicotinic acid in man during the first month of life.
Topics: Humans; Infant, Newborn; Life; Niacin; Nicotinic Acids; Tryptophan | 1960 |
[Research on the interrelations of tryptophan and nicotinic acid in newborn infants during the first month of life].
Topics: Biochemical Phenomena; Humans; Infant, Newborn; Life; Niacin; Nicotinic Acids; Research; Tryptophan | 1959 |
Studies on the site of synthesis of nicotinic acid from tryptophan in rabbits.
Topics: Animals; Niacin; Nicotinic Acids; Rabbits; Tryptophan | 1959 |
[Metabolic conversion of tryptophan to nicotinic acid in some certain hormonal situations. Investigations in the hypophysectimized rat].
Topics: Animals; Hypophysectomy; Niacin; Nicotinic Acids; Rats; Tryptophan | 1959 |
The effect of precursors of pyridine nucleotides on poisoning by carbon tetrachloride.
Topics: Carbon Tetrachloride; Niacin; Nicotinic Acids; Nucleotides; Tryptophan | 1960 |
[Endocrine glands and tryptophan conversion to nicotinic acid].
Topics: Adrenal Glands; Endocrine Glands; Female; Humans; Niacin; Nicotinic Acids; Ovary; Pituitary Gland; Tryptophan | 1962 |
[On tryptophan metabolism and on nicotinic acid synthesis in Central Asiatic ergot].
Topics: Claviceps; Ergonovine; Fungi; Niacin; Nicotinic Acids; Tryptophan | 1962 |
[Tryptophan-nicotinic acid metabolism in individuals recovered from viral hepatitis].
Topics: Hepatitis; Hepatitis A; Niacin; Nicotinic Acids; Tryptophan | 1962 |
Tryptophan-nicotinic acid metabolism in subjects recently or long since recovered from viral hepatitis.
Topics: Communicable Diseases; Hepatitis; Hepatitis A; Kynurenine; Niacin; Nicotinic Acids; Tryptophan | 1963 |
Tryptophan and nicotinic acid metabolism in patients with cirrhosis of the liver.
Topics: Liver Cirrhosis; Niacin; Niacinamide; Nicotinic Acids; Tryptophan | 1962 |
Hartnup disease.
Topics: Amino Acids; Hartnup Disease; Humans; Indoles; Metabolic Diseases; Niacin; Niacinamide; Pellagra; Proteins; Tryptophan | 1963 |
The effect of the oral administration of leucine on the metabolism of tryptophan.
Topics: Administration, Oral; Leucine; Lysine; Niacin; Niacinamide; Nicotinic Acids; Pellagra; Quinolines; Tryptophan | 1963 |
Tryptophan-niacin relationship in Xanthomonas pruni.
Topics: Niacin; Nicotinic Acids; Quinolinic Acid; Tryptophan; Xanthomonas | 1963 |
Hartnup syndrome.
Topics: Amino Acids; Child; Humans; Indican; Infant; Metabolic Diseases; Niacin; Nicotinic Acids; Pellagra; Tryptophan | 1962 |
[Tryptophan conversion to nicotinic acid in mice with Friend's leukemia. I. 3-Hydroxyanthranilic acid oxidase activity].
Topics: Animals; Friends; Leukemia; Leukemia, Experimental; Mice; Niacin; Nicotinic Acids; ortho-Aminobenzoates; Oxidoreductases; Tryptophan | 1962 |
The effect of amino acid on the uptake and utilization of tryptophan and other precursors of nicotinic acid by Neurospora crassa.
Topics: Amino Acids; Caseins; Neurospora; Neurospora crassa; Niacin; Nicotinic Acids; Tryptophan | 1962 |
[STUDY OF SOME ENTEROBACTERIA NOT UTILIZING CITRIC ACID].
Topics: Asparagine; Carbohydrate Metabolism; Citrates; Citric Acid; Culture Media; Enterobacteriaceae; Escherichia; Glucose; Niacin; Proteus; Research; Salmonella; Shigella; Tryptophan | 1963 |
EFFECT OF INCREMENTS OF TRYPTOPHAN AND NIACIN ON GROWTH AND ON THE CONCENTRATIONS OF BLOOD AND LIVER PYRIDINE NUCLEOTIDES.
Topics: Blood; Diet; Growth; Liver; Niacin; Nicotinic Acids; Nucleotides; Pyridines; Rats; Research; Tryptophan | 1963 |
EFFECTS OF BACTERIAL ENDOTOXINS ON METABOLISM. VI. THE ROLE OF TRYPTOPHAN PYRROLASE IN RESPONSE OF MICE TO ENDOTOXIN.
Topics: Adrenalectomy; Animals; Cortisone; Endotoxins; Liver; Mice; NAD; Niacin; Niacinamide; Nicotinic Acids; Nucleotides; Peroxidases; Polysaccharides; Polysaccharides, Bacterial; Proteins; Research; Salmonella typhimurium; Serratia marcescens; Tryptophan; Tryptophan Oxygenase | 1963 |
THERMOSTABLE COMPOUNDS OPPOSING TOXICITY OF THE CARCINOGEN 4-NITROQUINOLINE N-OXIDE TO FLAGELLATES AND BACTERIA.
Topics: Bacteria; Carcinogens; Corynebacterium; Euglena; Eukaryota; Naphthoquinones; Niacin; Nicotinic Acids; Nitroquinolines; Oxides; Pharmacology; Quinolines; Research; Rhodopseudomonas; Riboflavin; Thymine; Tryptophan; Tyrosine | 1963 |
STUDIES ON MORPHINE. IV. EFFECTS OF SOME METABOLITES ON THE "ABSTINENCE SYNDROME" TO MORPHINE ON WHITE MICE.
Topics: Alanine; Cyanides; Fluoroacetates; Glutamine; Iodoacetates; Mice; Morphine; NAD; Nalorphine; Niacin; Niacinamide; Pharmacology; Pyridines; Pyridoxine; Research; Serine; Toxicology; Tryptophan | 1963 |
[THE CLINICAL FORM OF HARTNUP'S DISEASE].
Topics: Diagnosis, Differential; Friedreich Ataxia; Hartnup Disease; Humans; Indican; Indoles; Infant; Metabolic Diseases; Niacin; Niacinamide; Pellagra; Tryptophan; Urine | 1963 |
HARTNUP DISEASE IN TWO SIBLINGS. CLINICAL OBSERVATIONS AND BIOCHEMICAL STUDIES.
Topics: Adolescent; Ataxia; Child; Eczema; Genetics, Medical; Hartnup Disease; Humans; NAD; NADP; Niacin; Nicotinic Acids; Pellagra; Protein Deficiency; Renal Aminoacidurias; Siblings; Tryptophan | 1964 |
[VITAMIN B DEFICIENCIES IN PULMONARY TUBERCULOUS PATIENTS TREATED BY ANTIBACILLARY MEDICATIONS].
Topics: Aspartate Aminotransferases; Clinical Enzyme Tests; Dermatology; Diagnosis; Gynecomastia; Humans; Isoniazid; Male; Mental Disorders; Neurologic Manifestations; Niacin; Niacinamide; Pyridoxine; Toxicology; Tryptophan; Tuberculosis; Tuberculosis, Pulmonary; Urine; Vitamin B Deficiency | 1963 |
PATHOGENETIC STUDIES OF EXPERIMENTALLY INDUCED HEART LESIONS AND THEIR RELATION TO THE CARCINOID SYNDROME.
Topics: Chemical and Drug Induced Liver Injury; Deficiency Diseases; Diet; Guinea Pigs; Heart Diseases; Hepatitis; Hydroxyindoleacetic Acid; Injections, Intraperitoneal; Injections, Subcutaneous; Liver; Malignant Carcinoid Syndrome; Niacin; Nicotinic Acids; Nuts; Pathology; Pharmacology; Research; Serotonin; Toxicology; Tryptophan; Vitamin B Deficiency | 1964 |
CHROMOSOMAL LOCATION OF THYMINE AND ARGININE GENES IN ESCHERICHIA COLI AND AN F' INCORPORATING THEM.
Topics: Adenine; Aminopterin; Arginine; Chromosomes; Escherichia coli; Escherichia coli K12; Histidine; Japan; Leucine; Methionine; Mutation; Niacin; Nicotinic Acids; Purines; Research; Streptomycin; Threonine; Thymine; Tryptophan | 1964 |
THE ROLE OF MAIZE IN THE PATHOGENESIS OF PELLAGRA: EFFECT OF LEUCINE ON N'-METHYLNICOTINAMIDE EXCRETION IN HUMAN ADULTS.
Topics: Adult; Edible Grain; Humans; Leucine; Niacin; Niacinamide; Nicotinic Acids; Nitrogen; Pellagra; Toxicology; Tryptophan; Urine; Zea mays | 1963 |
BIOCHEMICAL ASPECTS OF THE HARTNUP DISEASE. I. RESULTS OF INTRAVENOUS AND ORAL TRYPTOPHAN LOADING TESTS IN A CASE OF HARTNUP DISEASE.
Topics: Amino Acid Metabolism, Inborn Errors; Biomedical Research; Friedreich Ataxia; Genetics, Medical; Hartnup Disease; Humans; Indican; Indoles; Infant; Intestines; Metabolic Diseases; Neomycin; Niacin; Niacinamide; Nicotinic Acids; Nystatin; Pellagra; Renal Aminoacidurias; Tryptophan; Urine | 1964 |
RELATIONSHIP BETWEEN TRYPTOPHAN--NIACIN METABOLISM AND CHANGES IN NITROGEN BALANCE.
Topics: Biomedical Research; Diet; Feces; Niacin; Nicotinic Acids; Nitrogen; Proteins; Pyridines; Tryptophan; Urine | 1964 |
STUDIES ON THE TRYPTOPHAN METABOLISM IN TUMOR-BEARING ANIMALS.
Topics: Animals; Kynurenic Acid; Kynurenine; Liver; Neoplasms; Neoplasms, Experimental; Niacin; Nicotinic Acids; ortho-Aminobenzoates; Proteins; Rats; Research; Sarcoma; Tryptophan; Urine; Xanthurenates | 1964 |
BIOCHEMICAL ASPECTS OF THE HARTNUP DISEASE. II. SOME OBSERVATIONS ON RATS ABOUT TRYPTOPHAN METABOLISM.
Topics: Child; Clinical Enzyme Tests; Hartnup Disease; Humans; Indican; Indoles; Kidney; Kynurenine; Metabolic Diseases; Neomycin; Niacin; Niacinamide; Nicotinic Acids; Nystatin; Pellagra; Rats; Renal Aminoacidurias; Tryptophan; Urine | 1964 |
A COMPARATIVE STUDY OF THE REGULATION OF PYRIDINE NUCLEOTIDE FORMATION.
Topics: Bacillus subtilis; Carbon Isotopes; Cryptococcus; Culture Media; Escherichia coli; Genetics; Liver; Metabolism; NAD; Niacin; Nicotinic Acids; Phosphotransferases; Rats; Research; Salmonella typhimurium; Serratia marcescens; Tetrahymena; Transferases; Tryptophan; Vitamin B Deficiency; Yeasts | 1964 |
TRYPTOPHAN-NICOTINIC ACID METABOLISM IN CHRONIC ALCOHOLICS.
Topics: Alcoholics; Alcoholism; Humans; Kynurenine; Liver Cirrhosis; Metabolism; Niacin; Nicotinic Acids; Tryptophan; Urine; Xanthurenates | 1964 |
METABOLISM OF 3-HYDROXYANTHRANILIC ACID-CARBOXYL-C14 IN THE HUMAN.
Topics: 3-Hydroxyanthranilic Acid; Achondroplasia; Blood; Carbon Isotopes; Chromatography; Hippurates; Humans; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Pyridines; Rats; Research; Tryptophan; Urine; Xanthurenates | 1964 |
NICOTINAMIDE ADENINE DINUCLEOTIDE LEVELS IN RAT BRAIN.
Topics: Brain; Dietary Fats; Metabolism; NAD; NADP; Niacin; Niacinamide; Nicotinic Acids; Pharmacology; Protein Deficiency; Rats; Research; Reserpine; Tryptophan | 1964 |
BIOCHEMICAL ASPECTS OF THE HARTNUP DISEASE. III. GENERAL DISCUSSION AND CONCLUSIONS.
Topics: Amino Acid Metabolism, Inborn Errors; Child; Drug Therapy; Feces; Hartnup Disease; Humans; Indican; Indoles; Metabolic Diseases; Niacin; Niacinamide; Nicotinic Acids; Pellagra; Renal Aminoacidurias; Tryptophan; Urine | 1964 |
EXCRETION OF TRYPTOPHAN METABOLITES BY PATIENTS WITH RHEUMATOID ARTHRITIS.
Topics: Arthritis; Arthritis, Rheumatoid; Biomedical Research; Chromatography; Gout; Hippurates; Indoles; Kynurenic Acid; Kynurenine; Niacin; Nicotinic Acids; ortho-Aminobenzoates; Proteins; Psoriasis; Pyridines; Pyridoxine; Spondylitis; Tryptophan; Urine; Xanthurenates | 1964 |
HYDROXYKYNURENINURIA: A CASE OF ABNORMAL TRYPTOPHAN METABOLISM PROBABLY DUE TO A DEFICIENCY OF KYNURENINASE.
Topics: Amino Acid Metabolism, Inborn Errors; Child; Chromatography; Electrophoresis; Humans; Hydrolases; Kynurenic Acid; Kynurenine; Metabolic Diseases; Niacin; ortho-Aminobenzoates; Proteins; Pyridoxine; Spectrophotometry; Tryptophan; Urine; Xanthurenates | 1964 |
INFLUENCE OF GELATIN ON GROWTH AND LIVER PYRIDINE NUCLEOTIDE CONCENTRATION OF THE RAT.
Topics: Amino Acids; Caseins; Diet; Gelatin; Glycine; Growth; Liver; NAD; NADP; Niacin; Nicotinic Acids; Nucleotides; Rats; Research; Tryptophan | 1964 |
FETAL DEATH FROM NICOTINAMIDE-DEFICIENT DIET AND ITS PREVENTION BY CHLORPROMAZINE AND IMIPRAMINE.
Topics: Animals; Avitaminosis; Chlorpromazine; Diet; Female; Fetal Death; Fetus; Imipramine; Liver; NAD; Niacin; Niacinamide; Nicotinic Acids; Pharmacology; Pregnancy; Pregnancy, Animal; Rats; Research; Tryptophan | 1964 |
TRYPTOPHAN-NICOTINIC ACID METABOLISM IN PATIENTS WITH TUMOURS OF THE BLADDER AND KIDNEY.
Topics: Amino Acids; Biomedical Research; Humans; Kidney Neoplasms; Metabolism; Niacin; Nicotinic Acids; ortho-Aminobenzoates; Tryptophan; Urinary Bladder Neoplasms; Urine | 1964 |
ACUTE CEREBELLAR ATAXIA ASSOCIATED WITH SOME FEATURES OF THE HARTNUP SYNDROME. PRESENTATION OF A CASE.
Topics: Amino Acid Metabolism, Inborn Errors; Cerebellar Ataxia; Child; Chromatography; Drug Therapy; Electroencephalography; Friedreich Ataxia; Hartnup Disease; Humans; Indoles; Italy; Neomycin; Niacin; Nicotinic Acids; Nystagmus, Pathologic; Renal Aminoacidurias; Tryptophan; Urine | 1964 |
THE EFFECT OF DIETARY DEFICIENCIES OF TRYPTOPHAN AND NIACIN ON CATECHOLAMINE PRODUCTION IN THE RATS.
Topics: Adrenal Glands; Body Weight; Brain Chemistry; Catecholamines; Dopamine; Epinephrine; Liver; Metabolism; Niacin; Norepinephrine; Pharmacology; Protein Deficiency; Rats; Research; Reserpine; Spleen; Tryptophan; Vitamin B Deficiency | 1964 |
THE METABOLISM OF ALPHA-N-MONOMETHYL-L-TRYPTOPHAN (L-ABRIN) IN MAN AND IN NORMAL AND PYRIDOXINE DEFICIENT RATS.
Topics: Abrin; Amino Acids; Body Fluids; Eclampsia; Female; Humans; Kynurenine; Male; Niacin; Niacinamide; Pregnancy; Pyridoxine; Rats; Research; Tryptophan; Urine; Vitamin B 6 Deficiency; Xanthurenates | 1964 |
THE TRANSMETHYLATION PROCESSES IN THE AQUEOUS HUMOUR AND IN THE LENS.
Topics: Aqueous Humor; Cataract; Lens, Crystalline; Metabolism; Niacin; Nicotinic Acids; Research; Tryptophan | 1964 |
ASSESSMENT OF NICOTINIC ACID STATUS OF POPULATION GROUPS.
Topics: Africa; Africa, Southern; Black People; Child; Humans; Metabolism; Niacin; Niacinamide; Nicotinic Acids; Nutrition Surveys; Population Groups; Pyridines; Tryptophan; Urine | 1964 |
PITUITARY INFLUENCE OF PYRIDINE NUCLEOTIDE METABOLISM OF RAT LIVER.
Topics: Adrenal Glands; Brain Chemistry; Fluorometry; Hypophysectomy; Intestines; Kidney; Liver; Lung; Metabolism; Muscles; Myocardium; NAD; NADP; Niacin; Niacinamide; Pharmacology; Pituitary Gland; Rats; Research; Spectrophotometry; Spleen; Tryptophan | 1964 |
[TRYPTOPHAN METABOLISM IN LEUKEMIA].
Topics: Anemia; Anemia, Aplastic; Chromatography; Drug Therapy; Hodgkin Disease; Humans; Indoles; Leukemia; Leukemia, Lymphoid; Leukemia, Myeloid; Leukemia, Radiation-Induced; Leukemoid Reaction; Leukocytosis; Metabolism; Niacin; Niacinamide; Pyridoxine; Riboflavin; Thiamine; Tryptophan | 1964 |
REGULATION OF NICOTINAMIDE ADENINE DINUCLEOTIDE BIOSYNTHESIS BY ADENOSINE TRIPHOSPHATE.
Topics: Adenosine Triphosphate; Carbon Isotopes; Chromatography; Glucosyltransferases; Liver Extracts; Metabolism; NAD; Niacin; Nicotinic Acids; Phosphates; Phosphoric Monoester Hydrolases; Rats; Tryptophan; Ultracentrifugation | 1964 |
[URINARY ELIMINATION OF METABOLITES OF THE TRYPTOPHAN--NICOTINE ACID PATHWAY IN DIABETES DUE TO PANCREATECTOMY IN THE RAT].
Topics: Diabetes Mellitus; Metabolism; Niacin; Nicotine; ortho-Aminobenzoates; Pancreatectomy; Pyridines; Rats; Research; Tryptophan; Urine | 1964 |
[ENZYMATIC ACTIVITY OF THE TRYPTOPHAN--NICOTINIC ACID PATHWAY IN DIABETES DUE TO PANCREATECTOMY IN THE RAT].
Topics: Carboxy-Lyases; Diabetes Mellitus; Enzymes; Kidney; Liver; Metabolism; Mixed Function Oxygenases; Niacin; Nicotinic Acids; Oxidoreductases; Pancreatectomy; Rats; Research; Transaminases; Tryptophan | 1964 |
[RESEARCH ON THE TRYPTOPHAN--NICOTINIC ACID PATHWAY IN DIABETES MELLITUS].
Topics: Diabetes Mellitus; Geriatrics; Hippurates; Insulin; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Niacinamide; Nicotinic Acids; Research; Tryptophan; Urine | 1964 |
[RESEARCH ON ELIMINATION OF METABOLITES OF THE TRYPTOPHAN TO NICOTINIC ACID PATHWAY IN INFANTS].
Topics: Chromatography; Diet; Hippurates; Humans; Infant; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Nicotinic Acids; ortho-Aminobenzoates; Tryptophan; Urine; Vitamins; Xanthurenates | 1964 |
[CONTRIBUTION TO THE STUDY OF METABOLITES OF THE TRYPTOPHAN TO NICOTINIC ACID PATHWAY IN RELATION TO SEX].
Topics: Humans; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Niacinamide; Nicotinic Acids; Research; Sex; Tryptophan; Urine; Xanthurenates | 1964 |
AMINO ACID IMBALANCE AND TRYPTOPHANNIACIN METABOLISM. I. EFFECT OF EXCESS LEUCINE ON THE URINARY EXCRETION OF TRYPTOPHAN-NIACIN METABOLITES IN RATS.
Topics: Amino Acids; Caseins; Isoleucine; Leucine; Niacin; Niacinamide; Nicotinic Acids; Nitrogen; Pharmacology; Pyridines; Rats; Research; Triticum; Tryptophan; Urine | 1965 |
THE EFFECT OF CIGARETTE SMOKING ON BLADDER CARCINOGENS IN MAN.
Topics: Amino Acids; Carcinogens; Humans; Male; Metabolism; Neoplasms; Niacin; Niacinamide; Nicotiana; Smoking; Tryptophan; Urinary Bladder Neoplasms | 1965 |
[ON THE EFFECT OF ROENTGEN-IRRADIATED YOLK ON EMBRYONAL DEVELOPMENT OF THE CHICK].
Topics: Animals; Chick Embryo; Congenital Abnormalities; Embryonic Development; Niacin; Niacinamide; Ovum; Pharmacology; Phenylalanine; Radiation Effects; Research; Tryptophan | 1964 |
METABOLIC PATTERNS IN PREADOLESCENT CHILDREN. XIV. EXCRETION OF NIACIN OR TRYPTOPHAN METABOLITES BY GIRLS FED CONTROLLED DIETS SUPPLEMENTED WITH NICOTINAMIDE.
Topics: Child; Diet; Dietary Proteins; Dietary Supplements; Female; Fluids and Secretions; Humans; Metabolism; Niacin; Niacinamide; Nicotinic Acids; Pyridines; Riboflavin; Tryptophan; Urine | 1965 |
STUDIES ON THE EFFECT OF TRYPTOPHAN DEFICIENCY ON THE METABOLIC PRODUCTS OF TRYPTOPHAN AND NIACIN.
Topics: Amino Acids; Blood; Creatine; Creatinine; Deficiency Diseases; Diet; Fluids and Secretions; Histidine; Isoleucine; Leucine; Lysine; Metabolism; Methionine; Niacin; Niacinamide; Nitrogen; Nucleotides; Phenylalanine; Riboflavin; Tryptophan; Urine; Valine; Xanthurenates | 1965 |
SEPARATION AND ESTIMATION OF TRYPTOPHAN-NICOTINIC ACID METABOLITES IN URINE BY THIN-LAYER CHROMATOGRAPHY.
Topics: Azo Compounds; Chromatography; Chromatography, Thin Layer; Colorimetry; Humans; Indicators and Reagents; Kynurenine; Niacin; Nicotinic Acids; ortho-Aminobenzoates; Tryptophan; Urine; Xanthurenates | 1965 |
[ELIMINATION OF METABOLITES OF TRYPTOPHAN IN THE PYRIDOXINE-DEFICIENT RAT AFTER DIFFERENT DOSES OF TRYPTOPHAN AND IN DIVERSE URINARY FRACTIONS].
Topics: Body Fluids; Hippurates; Kynurenine; Metabolism; Niacin; Niacinamide; Pyridoxine; Rats; Research; Tryptophan; Urinary Tract; Urine; Vitamin B 6 Deficiency; Xanthurenates | 1965 |
ENDEMIC PELLAGRA due to inadequacy of nicotinamide and tryptophan.
Topics: Humans; Niacin; Niacinamide; Pellagra; Tryptophan | 1955 |
Liver pyridine nucleotide content as related to dietary tryptophan and nicotinic acid in the chick.
Topics: Animals; Chickens; Coenzymes; Diet; Liver; Niacin; Nicotinic Acids; Nucleotides; Tryptophan | 1955 |
[Relation of tryptophan to nicotinic acid in plants].
Topics: Biochemical Phenomena; Niacin; Nicotinic Acids; Plants; Tryptophan | 1954 |
The role of riboflavin and vitamin B6 in tryptophan metabolism.
Topics: Niacin; Nicotinic Acids; Pyridines; Riboflavin; Tryptophan; Urine; Vitamin B 6; Vitamin B 6 Deficiency; Vitamin B Deficiency; Xanthurenates | 1955 |
Amino acid balance and imbalance. IV. Specificity of threonine in producing an imbalance in diets deficient in niacin and tryptophan.
Topics: Amino Acids; Diet; Niacin; Sensitivity and Specificity; Threonine; Tryptophan | 1960 |
Nutritional studies with the guinea pig. VI. Tryptophan (with ample dietary niacin).
Topics: Diet; Guinea Pigs; Niacin; Nicotinic Acids; Nutrition Assessment; Nutritional Status; Tryptophan | 1960 |
Interrelation between tryptophan and nicotinic acid in human viral hepatitis.
Topics: Hepatitis; Hepatitis A; Niacin; Nicotinic Acids; Tryptophan; Viral Vaccines | 1962 |
[Studies on tryptophan-nicotinic acid metabolism in hepatic cirrhosis in man. Preliminary note].
Topics: Biochemical Phenomena; Humans; Liver Cirrhosis; Male; Niacin; Tryptophan | 1961 |
The metabolism of testosterone by liver tissue of niacin tryptophan or thiamine deficient rats.
Topics: Androgens; Animals; Liver; Niacin; Rats; Testosterone; Thiamine; Tryptophan; Vitamin A; Vitamins | 1950 |
The significance of dietary pyridoxine, niacin and protein in the conversion of tryptophan to N1-methylnicotinamide.
Topics: Diet; Humans; Niacin; Niacinamide; Nicotinic Acids; Pyridoxine; Tryptophan | 1950 |
Role of tryptophane and other amino-acids in the metabolism of nicotinic acid by humans.
Topics: Amino Acids; Niacin; Nicotinic Acids; Tryptophan | 1950 |
[Position of quinurenic, xanthurenic and quinolinic acids in the conversion of tryptophan into nicotinic acid].
Topics: Niacin; Nicotinic Acids; Quinolinic Acids; Tryptophan | 1950 |
Conversion of monomethyl-l-tryptophan to niacin and N1-methylnicotinamide by the rat.
Topics: Animals; Niacin; Niacinamide; Nicotinic Acids; Rats; Tryptophan | 1950 |
Niacin-replacing value of L- and DL-tryptophan in chick diets as influenced by carbohydrate source.
Topics: Animals; Carbohydrates; Chickens; Diet; Humans; Niacin; Nicotinic Acids; Sweetening Agents; Tryptophan | 1950 |
[Transformation of kynurenin into nicotinic acid in the rat and in Neurospora crassa].
Topics: Animals; Kynurenine; Neurospora crassa; Niacin; Nicotinic Acids; Rats; Tryptophan | 1950 |
Effect of niacin precursors on growth of rats fed tryptophan-low rations.
Topics: Animals; Niacin; Nicotinic Acids; Rats; Tryptophan | 1950 |
Relation of tryptophan and niacin to pyridine nucleotides of tissue.
Topics: Coenzymes; Niacin; Nicotinic Acids; Nucleotides; Tryptophan | 1950 |
Effect of niacin and tryptophan in counteracting toxicity of crystalline borrelidin for rat.
Topics: Animals; Anti-Bacterial Agents; Antibiotics, Antitubercular; Dermatologic Agents; Fatty Alcohols; Niacin; Nicotinic Acids; Rats; Tryptophan | 1951 |
The niacin-tryptophan relationship in the metabolism of Xanthomonas pruni.
Topics: Humans; Niacin; Nicotinic Acids; Tryptophan; Xanthomonas | 1951 |
Further studies on tryptophan-niacin-pyridine nucleotide relationships.
Topics: Niacin; Nicotinic Acids; Nucleotides; Pyridines; Tryptophan | 1951 |
Interrelationships of vitamin B6, niacin, and tryptophan in pyridine nucleotide formation.
Topics: Biochemical Phenomena; Niacin; Nicotinic Acids; Nucleotides; Pyridines; Tryptophan; Vitamin B 6 | 1951 |
Congenital cataract in albino rats fed different amounts of tryphophan and niacin.
Topics: Animals; Cataract; Niacin; Nicotinic Acids; Rats; Tryptophan | 1951 |
[Chemico-physical methods applied to the study of nicotinic acid, triptophan and their metabolites. I. Polarographic examination].
Topics: Niacin; Nicotinic Acids; Physical Examination; Polarography; Tryptophan | 1951 |
[Chemico-physical methods applied to the study of nicotinic acid, tryptophan and their metabolites. II. Spectographic examination].
Topics: Niacin; Nicotinic Acids; Physical Examination; Tryptophan | 1951 |
[Chemico-physical methods applied to the study of nicotinic acid, tryptophan and their metabolites; paper chromatography].
Topics: Chromatography, Paper; Niacin; Nicotinic Acids; Physical Examination; Tryptophan | 1951 |
B VITAMINS and tryptophan metabolism.
Topics: Humans; Niacin; Nicotinic Acids; Tryptophan; Vitamin B Complex; Vitamins | 1951 |
Circulating antibodies in vitamin-deficiency states; pteroylglutamic acid, niacin-tryptophan, vitamins B12, A, and D deficiencies.
Topics: Antibodies; Antigens; Avitaminosis; Folic Acid; Humans; Niacin; Tryptophan; Vitamin A; Vitamin B 12; Vitamins | 1951 |
[Content of nicotinic acid and tryptophan in bean seeds in germination and ripening].
Topics: Biochemical Phenomena; Fabaceae; Germination; Niacin; Nicotinic Acids; Reproduction; Seeds; Tryptophan | 1951 |
The biosyntheses of tryptophan and niacin and their relationships.
Topics: Fungi; Niacin; Tryptophan | 1951 |
Further studies on amino acid imbalance produced by gelatin in rats on niacin-tryptophan low ration.
Topics: Amino Acids; Animals; Gelatin; Niacin; Rats; Tryptophan | 1951 |
Comparative effect of tryptophan, niacin, and nicotinamide in forming liver pyridine nucleotides.
Topics: Liver; Niacin; Niacinamide; Nucleotides; Tryptophan | 1951 |
Effect of nicotinic acid and tryptophan on pyridine nucleotides of red blood cells in man.
Topics: Erythrocyte Count; Erythrocytes; Niacin; Nicotinic Acids; Nucleotides; Tryptophan | 1951 |
Pyridine nucleotide formation from tryptophan and niacin.
Topics: Niacin; Nucleotides; Tryptophan | 1951 |
A quantitative study of the relationship between tryptophan and niacin in Neurospora.
Topics: Fungi; Neurospora; Niacin; Tryptophan | 1952 |
[Study of the relations between tryptophan and nicotinic acid: action of indol-acrylic acid, of coumarin, of 2-methylnaphthoquinone, and of beta-hydroxy-phenylalanine on Escherichia coli].
Topics: Acrylates; Coumarins; Escherichia coli; Niacin; Nicotinic Acids; Phenylalanine; Tryptophan; Vitamin K 3 | 1951 |
[Paper partition microchromatography of alkaloids and various biological nitrogenous bases. IV. Separation of some derivatives of nicotinic acid and tryptophan].
Topics: Alkaloids; Chromatography; Niacin; Nicotinic Acids; Nucleotides; Tryptophan | 1951 |
Nutritional interrelationships.
Topics: Biochemical Phenomena; Niacin; Tryptophan | 1952 |
Studies of niacin requirement in man. I. Experimental pellagra in subjects on corn diets low in niacin and tryptophan.
Topics: Diet; Humans; Male; Niacin; Nicotinic Acids; Pellagra; Tryptophan; Zea mays | 1952 |
The domestic cat as a laboratory animal for experimental nutrition studies. III. Niacin requirements and tryptophan metabolism.
Topics: Animals; Animals, Laboratory; Cats; Niacin; Nicotinic Acids; Nutritional Status; Tryptophan | 1952 |
NIACIN and tryptophan in feline nutrition.
Topics: Animals; Cats; Humans; Niacin; Nicotinic Acids; Nutritional Status; Tryptophan | 1952 |
Effects of dietary di(2-ethylhexyl)phthalate on the metabolism of tryptophan to niacin in mice.
Topics: Analysis of Variance; Animals; Body Weights and Measures; Diet; Diethylhexyl Phthalate; Mice; Niacin; Quinolinic Acid; Tryptophan | 2004 |
Effects of dietary di(2-ethylhexyl)phthalate, a putative endocrine disrupter, on enzyme activities involved in the metabolism of tryptophan to niacin in rats.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Carboxy-Lyases; Diethylhexyl Phthalate; Endocrine Glands; Kidney; Liver; Male; Niacin; Rats; Rats, Wistar; Tryptophan | 2004 |
Increase in conversion of tryptophan to niacin in pregnant rats.
Topics: Animals; Dietary Supplements; Female; Humans; Male; Niacin; Pellagra; Pregnancy; Pregnancy Complications; Pregnancy, Animal; Rats; Rats, Wistar; Tryptophan | 2003 |
Identification and expression of alpha cDNA encoding human 2-amino-3-carboxymuconate-6-semialdehyde decarboxylase (ACMSD): a key enzyme for the tryptophan-niacine pathway and quinolinate hypothesis.
Topics: Amino Acid Sequence; Animals; Base Sequence; Carboxy-Lyases; Cloning, Molecular; COS Cells; DNA, Complementary; Gene Expression; Humans; Models, Biological; Molecular Sequence Data; Niacin; Quinolinic Acid; Recombinant Proteins; Sequence Homology, Amino Acid; Transfection; Tryptophan | 2003 |
The effects of phthalate esters on the tryptophan-niacin metabolism.
Topics: 3-Hydroxyanthranilic Acid; Animals; Dibutyl Phthalate; Diethylhexyl Phthalate; Kynurenic Acid; Liver; Male; NAD; Niacin; ortho-Aminobenzoates; Phthalic Acids; Plasticizers; Rats; Rats, Wistar; Tryptophan; Xanthurenates | 2003 |
Tryptophan metabolism; tryptophan, kynurenine, and related compounds as precursors of nicotinic acid.
Topics: Kynurenine; Niacin; Nicotinic Acids; Tryptophan | 1949 |
Tryptophan and the biosynthesis of nicotinamide.
Topics: Niacin; Niacinamide; Nicotinic Acids; Tryptophan | 1949 |
Conversion of tryptophane to nicotinic acid by Trichophyton equinum.
Topics: Niacin; Nicotinic Acids; Trichophyton; Tryptophan | 1949 |
Significance of tryptophane in human nicotinic acid metabolism.
Topics: Niacin; Nicotinic Acids; Tryptophan | 1950 |
Tryptophan metabolism along the kynurenine pathway in diet-induced and genetic hypercholesterolemic rabbits.
Topics: Animals; Carboxy-Lyases; Hypercholesterolemia; Indoleamine-Pyrrole 2,3,-Dioxygenase; Intestine, Small; Kidney; Kynurenine; Kynurenine 3-Monooxygenase; Liver; Mixed Function Oxygenases; Niacin; Rabbits; Transaminases; Tryptophan; Tryptophan Oxygenase | 2004 |
Potential role for nonesterified fatty acids in beta-adrenoceptor-induced increases in brain tryptophan.
Topics: Adrenergic beta-2 Receptor Agonists; Adrenergic beta-Agonists; Animals; Binding, Competitive; Brain Chemistry; Clenbuterol; Dioxoles; Ethanolamines; Fatty Acids, Nonesterified; Hypolipidemic Agents; Male; Mice; Niacin; Oleic Acid; Receptors, Adrenergic, beta; Serum Albumin; Tryptophan | 2005 |
Conversion ratio of tryptophan to niacin in Japanese women fed a purified diet conforming to the Japanese Dietary Reference Intakes.
Topics: Adult; Diet; Female; Humans; Japan; Male; NAD; NADP; Niacin; Niacinamide; Nutrition Policy; Sex Characteristics; Tryptophan | 2004 |
Changes in the urinary excretion of the metabolites of the tryptophan-niacin pathway during pregnancy in Japanese women and rats.
Topics: Animal Nutritional Physiological Phenomena; Animals; Female; Gestational Age; Humans; Niacin; Niacinamide; Nutritional Physiological Phenomena; Postpartum Period; Pregnancy; Rats; Rats, Wistar; Tryptophan | 2004 |
Do high leucine/low tryptophan dieting foods (yogurt, gelatin) with niacin supplementation cause neuropsychiatric symptoms (depression) but not dermatological symptoms of pellagra?
Topics: Depression; Dietary Supplements; Gelatin; Humans; Leucine; Niacin; Pellagra; Tryptophan; Yogurt | 2005 |
Cloricromene effect on the enzyme activities of the tryptophan-nicotinic acid pathway in diabetic/hyperlipidemic rabbits.
Topics: Animals; Cholesterol, Dietary; Chromonar; Diabetes Mellitus, Experimental; Free Radical Scavengers; Hyperlipidemias; Intestine, Small; Liver; Male; Niacin; Oxidation-Reduction; Oxygenases; Platelet Aggregation Inhibitors; Rabbits; Tryptophan | 2006 |
Biochemical assessment of niacin deficiency among carcinoid cancer patients.
Topics: Adult; Aged; Aged, 80 and over; Carcinoid Tumor; Case-Control Studies; Cohort Studies; Female; Gastrointestinal Neoplasms; Humans; Hydroxyindoleacetic Acid; Male; Malignant Carcinoid Syndrome; Middle Aged; Niacin; Serotonin; Tryptophan | 2005 |
Exercise, serum free tryptophan, and central fatigue.
Topics: Animals; Brain; Fatigue; Fatty Acids, Nonesterified; Neurons; Niacin; Physical Conditioning, Animal; Rats; Serotonin; Tryptophan | 2006 |
Kynurenine as an Intermediate in the Formation of Nicotinic Acid from Tryptophane by Neurospora.
Topics: Kynurenine; Neurospora; Niacin; Nicotinic Acids; Tryptophan | 1947 |
Tryptophan-niacin metabolism in rat with puromycin aminonucleoside-induced nephrosis.
Topics: Animals; Carboxy-Lyases; Kidney; Liver; Male; NAD; Nephrosis; Niacin; Niacinamide; Puromycin Aminonucleoside; Rats; Rats, Wistar; Serum Albumin; Tryptophan; Weight Gain | 2006 |
The guinea-pig is a poor animal model for studies of niacin deficiency and presents challenges in any study using purified diets.
Topics: Animals; Bone Marrow; Caseins; Dietary Supplements; Disease Models, Animal; Gelatin; Guinea Pigs; Humans; Male; NAD; Niacin; Survival Analysis; Tryptophan; Weight Gain | 2007 |
Existence of a Tryptophan-Niacin Relationship in Corn.
Topics: Humans; Niacin; Nicotinic Acids; Tryptophan; Zea mays | 1949 |
Tryptophane as an Intermediate in the Synthesis of Nicotinic Acid by Green Plants.
Topics: Niacin; Nicotinic Acids; Plants; Tryptophan; Viridiplantae | 1949 |
The role of tryptophan in the nutrition of dogs on nicotinic acid-deficient diets.
Topics: Animals; Diet; Dogs; Humans; Niacin; Nicotinic Acids; Nutritional Status; Tryptophan | 1948 |
Concerning the mechanism of the mammalian conversion of tryptophan into nicotinic acid.
Topics: Animals; Mammals; Niacin; Nicotinic Acids; Tryptophan | 1948 |
The effect of gelatin on the transformation of tryptophan to niacin in rats on low casein diets.
Topics: Animals; Caseins; Diet; Gelatin; Niacin; Rats; Tryptophan | 1949 |
Tryptophan and nicotinic acid studies in man.
Topics: Niacin; Nicotinic Acids; Research; Tryptophan | 1949 |
The synthesis of niacin from tryptophan in rat liver slices.
Topics: Liver; Niacin; Nicotinic Acids; Tryptophan | 1949 |
A current problem of nutrition; tryptophan, nicotinic acid, corn and pellagra.
Topics: Humans; Niacin; Nicotinic Acids; Pellagra; Tryptophan | 1949 |
Tryptophan metabolism; concerning the mechanism of the mammalian conversion of tryptophan into nicotinic acid.
Topics: Animals; Mammals; Niacin; Nicotinic Acids; Tryptophan | 1949 |
Tryptophan and nicotinamide in the nutrition of the animal microorganism, Tetrahymena.
Topics: Animals; Humans; Niacin; Niacinamide; Nutritional Status; Tetrahymena; Tryptophan | 1949 |
Tryptophan metabolism; concerning the mechanism of the mammalian conversion of tryptophan into kynurenine, kynurenic acid, and nicotinic acid.
Topics: Animals; Kynurenic Acid; Kynurenine; Mammals; Niacin; Nicotinic Acids; Tryptophan | 1949 |
Transformation of tryptophan to nicotinic acid investigated with delayed supplementation of tryptophan.
Topics: Dietary Supplements; Niacin; Nicotinic Acids; Tryptophan | 1949 |
Role of tryptophan in the biosynthesis of nicotinamide.
Topics: Niacin; Niacinamide; Nicotinic Acids; Tryptophan | 1949 |
Intestinal synthesis of niacin and the metabolic interrelationship of tryptophan and niacin in the rabbit.
Topics: Animals; Intestines; Niacin; Nicotinic Acids; Rabbits; Tryptophan | 1949 |
Site of conversion of tryptophan into nicotinic acid in man.
Topics: Meridians; Niacin; Nicotinic Acids; Tryptophan | 1949 |
Influence of intestinal bacteria on synthesis of nicotinic acid from tryptophan.
Topics: Bacteria; Bacteriology; Intestines; Leadership; Niacin; Nicotinic Acids; Tryptophan | 1949 |
The nicotinamide-saving action of tryptophan and the biosynthesis of nicotinamide by the intestinal flora of the rat.
Topics: Animals; Niacin; Niacinamide; Rats; Tryptophan | 1949 |
Nicotinamide biosynthesis by intestinal bacteria as influenced by methyltryptophans.
Topics: Bacteria; Bacteriology; Intestines; Niacin; Niacinamide; Tryptophan | 1949 |
Absence of a sparing action of tryptophane on nicotinamide requirements of the fly, Drosophila melanogaster.
Topics: Animals; Drosophila melanogaster; Niacin; Niacinamide; Tryptophan | 1948 |
Tryptophan and niacin relations and their implications to human nutrition.
Topics: Humans; Niacin; Nutritional Status; Tryptophan | 1948 |
The effect of pyridoxine deficiency on the tryptophan-niacin transformation in rats.
Topics: Animals; Niacin; Rats; Tryptophan; Vitamin B 6 Deficiency | 1948 |
Effect of amino acids on the growth of rats on niacin-tryptophan-dificient rations.
Topics: Amino Acids; Animals; Antifibrinolytic Agents; Niacin; Rats; Tryptophan | 1948 |
Concerning the mechanism of the mammalian conversion of tryptophan into kynurenine, kynurenic acid, and nicotinic acid.
Topics: Animals; Kynurenic Acid; Kynurenine; Mammals; Niacin; Nicotinic Acids; Tryptophan | 1948 |
Urinary excretion of nicotinic acid and N-methyl-nicotinamide by rats fed tryptophan and diets deficient in various B vitamins.
Topics: Animals; Diet; Niacin; Niacinamide; Nicotinic Acids; Rats; Tryptophan; Vitamin B Complex | 1948 |
Further studies on the relationship of nicotinic acid, tryptophane and protein in the nutrition of the pig.
Topics: Animals; Diet; Niacin; Nicotinic Acids; Nutritional Status; Proteins; Sus scrofa; Swine; Tryptophan | 1948 |
Tryptophane as precursor of nicotinamide in mammals.
Topics: Animals; Mammals; Niacin; Niacinamide; Nicotinic Acids; Tryptophan | 1947 |
Niacin excretion in the rat in relation to tryptophane, pyridoxine, and protein content of the diet.
Topics: Animals; Biological Transport; Diet; Niacin; Proteins; Pyridoxine; Rats; Tryptophan | 1948 |
Further studies on the metabolism of tryptophan and nicotinic acid by the rat and other animals.
Topics: Animals; Niacin; Nicotinic Acids; Rats; Tryptophan | 1948 |
The metabolic interrelationship between tryptophan, pyridoxine, and nicotinic acid; forced feeding studies in rats.
Topics: Animals; Niacin; Nicotinic Acids; Pyridoxine; Rats; Tryptophan | 1948 |
Synthesis of nicotinic acid from tryptophan by the developing chick embryo.
Topics: Animals; Chick Embryo; Embryonic Development; Niacin; Nicotinic Acids; Tryptophan | 1948 |
Effects of gelatin, glycine and pyridoxine on tryptophane and nicotinic acid metabolism in humans.
Topics: Fabaceae; Gelatin; Glycine; Niacin; Pyridoxine; Tryptophan | 1948 |
The diagnostic importance of photosensitivity dermatoses in chronic alcoholism: report of two cases.
Topics: Alcoholism; Combined Modality Therapy; Dementia; Diabetes Complications; Glossitis; Greece; Humans; Male; Middle Aged; Niacin; Niacinamide; Pellagra; Photosensitivity Disorders; Tryptophan; Vitamin B Complex | 2008 |
[Effects of excess nicotinic acid on growth and the urinary excretion of B-group vitamins and the metabolism of tryptophan in weaning rats].
Topics: Animals; Eating; Growth; Male; Niacin; Quinolinic Acid; Rats; Rats, Wistar; Reference Values; Serotonin; Tryptophan; Vitamin B Complex; Weight Gain | 2009 |
The oxidative stress-induced niacin sink (OSINS) model for HIV pathogenesis.
Topics: HIV Infections; HIV-1; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Models, Biological; Niacin; Oxidative Stress; Poly(ADP-ribose) Polymerases; Selenium; Sulfur; Tryptophan | 2010 |
Effect of vitamin B6 deficiency on the ability of rats and mice to convert tryptophane to N1-methyl nicotinamide and nicotinic acid.
Topics: Animals; Mice; Niacin; Niacinamide; Nicotinic Acids; Pyridoxine; Rats; Tryptophan; Vitamin B 6 Deficiency | 1947 |
The role of tryptophane in the nutrition of dogs on nicotinic acid deficient diets.
Topics: Animals; Diet; Dogs; Niacin; Nutritional Status; Pellagra; Tryptophan | 1947 |
Niacin deficiency in rabbits and response to tryptophane and to niacin.
Topics: Animals; Lagomorpha; Niacin; Pellagra; Rabbits; Tryptophan | 1947 |
Indoleacetic acid and growth of bacteria with varying requirements for nicotinic acid and tryptophane.
Topics: Bacteria; Indoleacetic Acids; Niacin; Nicotinic Acids; Tryptophan | 1947 |
Studies of the relationship of niacin and tryptophane in human metabolism.
Topics: Niacin; Tryptophan | 1947 |
Relation of amino acid imbalance to niacin-tryptophane deficiency in growing rats.
Topics: Amino Acids; Animals; Niacin; Rats; Tryptophan | 1946 |
The effect of tryptophane on the urinary excretion of nicotinic acid in rats.
Topics: Animals; Niacin; Nicotinic Acids; Rats; Tryptophan | 1946 |
The metabolic conversion of tryptophan to nicotinic acid and to N'-methylnicotinamide.
Topics: Niacin; Niacinamide; Nicotinic Acids; Tryptophan | 1947 |
Effect of proteins low in tryptophane on growth of chickens and on laying hens receiving nicotinic acid-low rations.
Topics: Animals; Chickens; Diet; Female; Meat; Niacin; Nicotinic Acids; Proteins; Tryptophan | 1946 |
The effect of tryptophane on the excretion of nicotinic acid derivatives in humans.
Topics: Biological Transport; Body Fluids; Humans; Niacin; Nicotinic Acids; Tryptophan | 1947 |
Some physiological relationships of protein, fat, choline, methionine, cystine, nicotinic acid and tryptophane.
Topics: Choline; Cystine; Diet; Fats; Metabolism; Methionine; Niacin; Nutritional Sciences; Nutritional Status; Proteins; Tryptophan | 1947 |
The excretion of nicotinic acid derivatives after ingestion of tryptophane by man.
Topics: Biological Transport; Eating; Niacin; Nicotinic Acids; Tryptophan | 1947 |
The relationship of nicotinic acid, tryptophane and protein in the nutrition of the pig.
Topics: Animals; Diet; Niacin; Nicotinic Acids; Nutritional Sciences; Nutritional Status; Proteins; Swine; Tryptophan | 1947 |
The role of B6-deficiency in the tryptophane-niacin relationships in rats.
Topics: Animals; Niacin; Pyridoxine; Rats; Tryptophan; Vitamin B 6 Deficiency | 1947 |
The tryptophane-sparing action of nicotinic acid.
Topics: Niacin; Nicotinic Acids; Tryptophan | 1947 |
Further observations on the relationship of tryptophane and nicotinic acid metabolism in humans.
Topics: Niacin; Tryptophan | 1947 |
Tryptophane studies; the effect of niacin on the utilization of tryptophane.
Topics: Niacin; Tryptophan | 1946 |
Paired feeding in the study of the counteraction by nicotinic acid and tryptophane of the growth-depressing effect of corn in rats.
Topics: Animals; Deficiency Diseases; Niacin; Nicotinic Acids; Rats; Tryptophan; Zea mays | 1946 |
Influence of gelatin and tryptophane on nicotinic acid requirement of chicks.
Topics: Animals; Chickens; Gelatin; Niacin; Nicotinic Acids; Tryptophan | 1945 |
The effect of protein on the nicotinic acid and tryptophane requirement of the growing rat.
Topics: Animals; Growth; Niacin; Nicotinic Acids; Proteins; Rats; Tryptophan | 1946 |
Effect of tryptophane on urinary excretion of nicotinic acid in rats.
Topics: Animals; Body Fluids; Niacin; Nicotinic Acids; Rats; Tryptophan; Urine | 1946 |
The urinary excretory ratio of nicotinamide catabolites was associated with the conversion ratio of tryptophan to nicotinamide in growing rats fed a niacin-free 20% casein diet.
Topics: Animals; Caseins; Diet; Male; Niacin; Niacinamide; Rats; Rats, Wistar; Time Factors; Tryptophan | 2012 |
The niacin required for optimum growth can be synthesized from L-tryptophan in growing mice lacking tryptophan-2,3-dioxygenase.
Topics: 3-Hydroxyanthranilic Acid; Animals; Body Weight; Diet; Female; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kynurenic Acid; Kynurenine; Liver; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Mice, Transgenic; Niacin; Niacinamide; Quinolinic Acid; Tryptophan; Tryptophan Oxygenase; Xanthurenates | 2013 |
Effect of dietary phytol on the expression of α-amino-β-carboxymuconate-ε-semialdehyde decarboxylase, a key enzyme of tryptophan-niacin metabolism, in rats.
Topics: Animals; Body Weight; Carboxy-Lyases; Diet; Eating; Gene Expression Regulation, Enzymologic; Hepatocytes; Male; NAD; Niacin; Organ Size; Phytol; Rats; Rats, Sprague-Dawley; Tryptophan | 2013 |
[The problem of maize and the trypotophane-niac interrelations].
Topics: Humans; Niacin; Nicotinic Acids; Pellagra; Tryptophan; Zea mays | 1950 |
Moderate food restriction suppresses the conversion of L-tryptophan to nicotinamide in weaning rats.
Topics: Animals; Diet; Eating; Male; Niacin; Niacinamide; Rats; Tryptophan; Weaning | 2014 |
Vitamin B1 deficiency inhibits the increased conversion of tryptophan to nicotinamide in severe food-restricted rats.
Topics: 3-Hydroxyanthranilate 3,4-Dioxygenase; 3-Hydroxyanthranilic Acid; Animals; Food Deprivation; Liver; Male; Niacin; Niacinamide; Protein Biosynthesis; Rats; Rats, Wistar; Thiamine; Tryptophan; Vitamin B Deficiency | 2015 |
Niacin metabolism and indoleamine 2,3-dioxygenase activation in malnourished patients with flaky paint dermatosis.
Topics: Acute-Phase Reaction; Adult; Aged; C-Reactive Protein; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Indoles; Kwashiorkor; Kynurenine; Middle Aged; Niacin; Niacinamide; Pellagra; Skin; Skin Diseases; Tryptophan | 2015 |
[Tryptophan and nicotinic acid as antioxidants in different age rats brain at the immobilization stress].
Topics: Aging; Animals; Antioxidants; Brain; Drug Therapy, Combination; Lipid Peroxides; Male; Niacin; Rats, Wistar; Restraint, Physical; Stress, Psychological; Treatment Outcome; Tryptophan | 2014 |
Comparison of plasma tryptophan-related metabolites in crossbred Piétrain and Duroc pigs.
Topics: Animal Feed; Animals; Diet; Dietary Supplements; Female; Genotype; Ileum; Kynurenine; Male; Niacin; Postprandial Period; Serotonin; Swine; Tryptophan; Weaning | 2017 |
Metabolomic transition trajectory and potential mechanisms of N-nitrosomethylbenzylamine induced esophageal squamous cell carcinoma in rats.
Topics: Animals; Carcinogens; Carcinogens, Environmental; Cell Transformation, Neoplastic; Dimethylnitrosamine; Esophageal Neoplasms; Esophageal Squamous Cell Carcinoma; Metabolome; NAD; Niacin; Niacinamide; Nitrogen; Nitrosamines; Rats; Sphingolipids; Tryptophan; Tumor Microenvironment | 2022 |
Liquid chromatography-tandem mass spectrometry based simultaneous quantification of tryptophan, serotonin and kynurenine pathway metabolites in tissues and cell culture systems.
Topics: Animals; Chromatography, Liquid; Dioxygenases; Kynurenine; Mice; Niacin; Reproducibility of Results; Serotonin; Tandem Mass Spectrometry; Tryptophan | 2023 |
Studies of tryptophan and albumin metabolism in a patient with carcinoid syndrome, pellagra, and hypoproteinemia.
Topics: Adult; Body Weight; Female; Humans; Hypoproteinemia; Malignant Carcinoid Syndrome; Niacinamide; Pellagra; Serum Albumin; Serum Albumin, Radio-Iodinated; Tryptophan | 1976 |
Vitamin B6 nutritional status of pellagrins and their leucine tolerance.
Topics: Adult; Drug Tolerance; Humans; Leucine; Middle Aged; NAD; Nutritional Requirements; Pellagra; Pyridoxal Phosphate; Pyridoxine; Tryptophan | 1978 |
[Photosensitivity and disturbances of tryptophan metabolism (kynurenin pathway) (author's transl)].
Topics: Aged; Animals; Female; Humans; Kynurenine; Pellagra; Photosensitivity Disorders; Rats; Tryptophan | 1979 |
Pellagra and mental disturbance.
Topics: Animals; Brain; Diet; Hartnup Disease; Humans; Mental Disorders; Nicotinic Acids; Pellagra; Pyridoxine; Rats; Schizophrenia; Tryptophan; Zea mays | 1978 |
Pellagra: a still existing disease.
Topics: Alcoholism; Diet; Fluorouracil; Humans; Intestinal Absorption; Isoniazid; Mercaptopurine; Nicotinic Acids; Pellagra; Tryptophan | 1977 |
Nutrition classics. The Jouranl of Nutrition Volume 56, Number 3, July 11, 1955, pages 371-386. Studies of niacin requirement in man. II. Requirement on wheat and corn diets low in tryptophan.
Topics: Edible Grain; History, 20th Century; Humans; Louisiana; Nicotinic Acids; Nutritional Requirements; Pellagra; Tryptophan | 1975 |
Plasma amino acid pattern in pellagra.
Topics: Adult; Amino Acids; Humans; India; Leucine; Male; Pellagra; Socioeconomic Factors; Tryptophan | 1975 |
A mechanism for the formation in vivo of the 8-methyl ether of xanthurenic acid in humans.
Topics: Adult; Female; Humans; Kynurenic Acid; Kynurenine; Male; Methionine; Methyl Ethers; Middle Aged; Pellagra; Scleroderma, Systemic; Time Factors; Tryptophan; Xanthurenates | 1975 |
Effect of vitamin B6 on leucine-induced changes in human subjects.
Topics: Adult; Blood Platelets; Drug Synergism; Edible Grain; Erythrocytes; Feeding Behavior; Humans; Hydroxyindoleacetic Acid; India; Leucine; Male; Nicotinic Acids; Pellagra; Pyridoxine; Quinolinic Acids; Ribonucleotides; Serotonin; Tryptophan | 1976 |
Pellagra with colitis due to a defect in tryptophan metabolism.
Topics: Child; Colitis; Female; Humans; Kynurenine 3-Monooxygenase; Mixed Function Oxygenases; Niacinamide; Pellagra; Tryptophan | 1991 |
Tryptophan deficiency and picolinic acid: effect on zinc metabolism and clinical manifestations of pellagra.
Topics: Animals; Body Weight; Bone and Bones; Diet; Male; Pellagra; Picolinic Acids; Rats; Rats, Inbred Strains; Tissue Distribution; Tryptophan; Zinc | 1987 |
Pellagragenic effect of excess leucine.
Topics: Animals; Humans; Leucine; Pellagra; Tryptophan | 1986 |
Kynurenine hydroxylase: a potential rate-limiting enzyme in tryptophan metabolism.
Topics: Animals; Estrogens; Female; Humans; Hydroxylation; Hyperthyroidism; Kinetics; Kynurenine 3-Monooxygenase; Liver; Male; Mixed Function Oxygenases; Pellagra; Rats; Sex Factors; Tryptophan | 1985 |
Lethal familial pellagra-like skin lesion associated with neurologic and developmental impairment and the development of cataracts.
Topics: Amino Acid Metabolism, Inborn Errors; Cataract; Cerebellar Ataxia; Child, Preschool; Consanguinity; Diagnosis, Differential; Female; Humans; Infant; Intellectual Disability; Male; Pedigree; Pellagra; Skin; Syndrome; Tryptophan | 1985 |
Effect of isoleucine on skin and electroencephalogram in pellagra.
Topics: Dermatitis; Diet; Edible Grain; Electroencephalography; Humans; Isoleucine; Leucine; Nicotinic Acids; Nutritional Requirements; Pellagra; Skin; Stomatitis; Tryptophan; Zea mays | 1971 |
Possible role for dietary leucine in the pathogenesis of pellagra.
Topics: Animals; Diet; Dietary Proteins; Dogs; Edible Grain; Humans; India; Leucine; Neurologic Manifestations; Nicotinic Acids; Pellagra; Tryptophan | 1969 |
The role of leucine in the pathogenesis of canine black-tongue and pellagra.
Topics: Animals; Deficiency Diseases; Diet; Dog Diseases; Dogs; Food Analysis; Leucine; Lysine; Nicotinic Acids; Pellagra; Tryptophan; Zea mays | 1969 |
Protein nutrition status in childhood pellagra. Evaluation of nicotinic acid status and creatinine excretion.
Topics: Blood Proteins; Body Height; Body Weight; Child; Child, Preschool; Creatinine; Female; Hemoglobins; Humans; Male; Niacinamide; Nicotinic Acids; Pellagra; Protein Deficiency; Serum Albumin; Serum Globulins; Statistics as Topic; Tryptophan | 1968 |
Plasma tryptophan and other amino acids in pellagra.
Topics: Adult; Amides; Amino Acids; Child; Child, Preschool; Female; Humans; Kwashiorkor; Niacinamide; Nutrition Disorders; Pellagra; Serum Albumin; South Africa; Tryptophan | 1968 |
[Tryptophan metabolism in patients with pellagra].
Topics: Acetaminophen; Administration, Oral; Adult; Aged; Child, Preschool; Female; Hartnup Disease; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Kynurenine; Middle Aged; Niacinamide; Pellagra; Tryptamines; Tryptophan | 1970 |
Tryptophan metabolism in patients with pellagra: problem of vitamin B 6 enzyme activity and feedback control of tryptophan pyrrolase enzyme.
Topics: Black or African American; Black People; Feedback; Female; Humans; Kynurenine; Male; Niacinamide; Nicotinic Acids; Pellagra; Pyridines; Pyridones; Pyridoxine; South Africa; Tryptophan; Tryptophan Oxygenase; United States; White People; Xanthurenates | 1971 |
[Trichobezoar and pellagra].
Topics: Adolescent; Bezoars; Bone Resorption; Female; Gastric Mucosa; Gastroscopy; Humans; Niacinamide; Pellagra; Skin Manifestations; Stomach; Stomach Diseases; Tryptophan | 1971 |
Pellagra and the carcinoid syndrome.
Topics: Digitalis Glycosides; Diuretics; Female; Fluorouracil; Humans; Malignant Carcinoid Syndrome; Middle Aged; Niacinamide; Nicotinic Acids; Pellagra; Tryptophan | 1972 |
[Studies on tryptophan metabolism in pellagra with special reference to drug-induced pellagra following INH and anticonvulsants].
Topics: Adolescent; Adult; Aged; Anticonvulsants; Child; Female; Humans; Isoniazid; Male; Middle Aged; Nutrition Disorders; Pellagra; Phenytoin; Tryptophan | 1974 |
Tryptophan-niacin pathway in the human epidermis.
Topics: Adult; Aged; Carcinoma, Basal Cell; Carcinoma, Squamous Cell; Humans; Keratoacanthoma; Male; Middle Aged; Nicotinic Acids; Pellagra; Porphyrias; Skin; Skin Neoplasms; Tryptophan | 1974 |
[Pellagroid syndrome with vitamin B6 deficiency. Biological and clinical study of a case].
Topics: Amino Acids; Cystine; Humans; Indoleacetic Acids; Liver Cirrhosis; Male; Metabolism, Inborn Errors; Methionine; Middle Aged; Pellagra; Serotonin; Sulfur; Taurine; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates | 1972 |
Tryptophan metabolism in man, rat and pig. Determination of tryptophan-pyrrolase and kinureninase in liver.
Topics: Adult; Animals; Dicarboxylic Acids; Erythema; Female; Humans; Hydrolases; Kynurenine; Lichen Planus; Liver; Lupus Erythematosus, Systemic; Male; Middle Aged; Parapsoriasis; Pellagra; Porphyrias; Pyridines; Rats; Scleroderma, Systemic; Skin Diseases; Species Specificity; Swine; Tryptophan; Tryptophan Oxygenase | 1972 |
Biochemical research in two cases of endogenous pellagra.
Topics: Adult; Alanine Transaminase; Amino Acid Metabolism, Inborn Errors; Amino Acids; Aspartate Aminotransferases; Blood Proteins; Humans; Hydroxyindoleacetic Acid; Indican; Male; Middle Aged; Pellagra; Serotonin; Tryptophan | 1973 |
Letter: Interrelationships of ascorbic acid and tryptophan metabolism.
Topics: Africa; Ascorbic Acid; Black People; Ethnicity; Female; Hemosiderosis; Humans; Male; Models, Chemical; Pellagra; Scurvy; Tryptophan | 1974 |
Effect of leucine on enzymes of tryptophan metabolism.
Topics: Animals; Carboxy-Lyases; Humans; Kidney; Leucine; Liver; Pellagra; Pentosyltransferases; Picolinic Acids; Pyridines; Rats; Tryptophan; Tryptophan Oxygenase | 1972 |
[Pathogenesis of photodermatosis].
Topics: Dermatitis; Humans; Lupus Erythematosus, Systemic; Metabolism, Inborn Errors; Nicotinic Acids; Pellagra; Photosensitivity Disorders; Porphyrias; Skin Diseases; Tryptophan | 1972 |
Identification of an error in the tryptophan--niacin pathway in carriers of some dermatoses conditioned or aggravated by sunlight.
Topics: Adult; Aged; Animals; Atrophy; Cataract; Female; Gastric Juice; Humans; Hydrolases; Kynurenine; Light; Lupus Erythematosus, Discoid; Male; Middle Aged; Nicotinic Acids; Pellagra; Pigmentation Disorders; Porphyrias; Rats; Rothmund-Thomson Syndrome; Skin; Skin Diseases; Sunlight; Transaminases; Tryptophan; Urticaria | 1971 |
Effect of leucine load on plasma tryptophan and other amino acids in man.
Topics: Adult; Amino Acids; Humans; Leucine; Male; Pellagra; Tryptophan | 1971 |
[Carcinoid tumor of the small intestine].
Topics: Aged; Anemia; Bromine; Carcinoid Tumor; Cecum; Chlorpromazine; Diarrhea; Glucocorticoids; Heart Diseases; Humans; Ileum; Intestinal Neoplasms; Intestine, Small; Iodine Isotopes; Laparotomy; Lung Diseases; Lysergic Acid Diethylamide; Male; Melena; Pellagra; Serotonin Antagonists; Tryptophan | 1971 |
Tryptophan: abnormal metabolism in pellagra patients.
Topics: Aminohippuric Acids; Black People; Female; Glucuronates; Humans; Kynurenine; Pellagra; South Africa; Tryptophan; Tryptophan Oxygenase | 1970 |
The functional capacity of the tryptophan-niacin pathway in pellagrous children.
Topics: Amines; Aminohippuric Acids; Child; Child, Preschool; Glucuronates; Humans; Kynurenic Acid; Kynurenine; Nicotinic Acids; ortho-Aminobenzoates; Pellagra; Tryptophan | 1970 |
[New viewpoints on the pathogenesis of pellagra].
Topics: Humans; Kynurenine; Metabolic Diseases; Pellagra; Pyridoxine; Riboflavin; Tryptophan | 1970 |
[Pellagroid syndrome with pseudo-myopathic signs cured with pyridoxine].
Topics: Child, Preschool; Diagnosis, Differential; Female; Hartnup Disease; Humans; Infant; Lupus Erythematosus, Systemic; Muscular Diseases; Neurologic Manifestations; Pellagra; Pyridoxine; Skin Manifestations; Tryptophan; Vitamin B 6 Deficiency | 1970 |
[Pellagroid erythema with tryptophan metabolism disorder].
Topics: Erythema; Humans; Male; Middle Aged; Pellagra; Photosensitivity Disorders; Tryptophan; Vitamin B 6 Deficiency | 1970 |
[Changes induced by the parenteral introduction of normal human gastric juice in the urinary excretion of various tryptophan metabolites in pellagra patients].
Topics: Gastric Juice; Humans; Infusions, Parenteral; Pellagra; Tryptophan | 1967 |
[Various current findings in the problem of pellagra].
Topics: Alcoholism; Deficiency Diseases; Diet; Feeding Behavior; Hartnup Disease; Humans; Isoniazid; Isonicotinic Acids; Italy; Kynurenine; Mexico; Pellagra; Thiosemicarbazones; Tryptophan; United States; Zea mays | 1968 |
Protein-nicotinic acid consumption and early psychologic change.
Topics: Adult; Affective Symptoms; Female; Humans; Male; Middle Aged; Nicotinic Acids; Pellagra; Protein Deficiency; Tryptophan | 1968 |
[Further note on various aspects of the pellagra problem].
Topics: Alcoholism; Diet Therapy; Humans; Liver Cirrhosis; Liver Function Tests; Nicotinic Acids; Pellagra; Tryptophan | 1969 |
Alteration of serotonin metabolism in rats deficient in niacin and tryptophan.
Topics: Animals; Brain Chemistry; Colon; Deficiency Diseases; Diet; Intestine, Small; Male; Nicotinic Acids; Pellagra; Rats; Serotonin; Tryptophan | 1967 |
Effects of excess leucine on growth and tryptophan and niacin metabolism in rats.
Topics: Animals; Body Weight; Diet; Erythrocytes; Female; Hydroxyindoleacetic Acid; Isoleucine; Leucine; NAD; NADP; Nicotinic Acids; Organ Size; Pellagra; Quinolinic Acids; Rats; Time Factors; Tryptophan; Valine; Vitamin B 6 Deficiency | 1980 |
Tryptophan metabolism in alcoholic pellagra patients: measurements of urinary metabolites and histochemical studies of related muscle enzymes.
Topics: 3-Hydroxyanthranilic Acid; Adolescent; Adult; Alcoholism; Aspartate Aminotransferases; Glycerolphosphate Dehydrogenase; Humans; Male; Middle Aged; Muscles; Niacinamide; Nutrition Disorders; Oxidoreductases; Pellagra; Pyridones; Tryptophan | 1982 |
Inhibition of tryptophan metabolism by oestrogens in the rat: a factor in the aetiology of pellagra.
Topics: Animals; Castration; Estrone; Female; Liver; NAD; NADP; Niacinamide; Pellagra; Rats; Rats, Inbred Strains; Tryptophan | 1984 |
Familial pellagra-like skin rash with neurological manifestations.
Topics: Adolescent; Humans; Male; Nervous System Diseases; Niacinamide; Pellagra; Skin Diseases; Tryptophan | 1981 |
Pellagra prevention.
Topics: Adolescent; Adult; Aged; Dietary Proteins; Female; Humans; Male; Middle Aged; Nicotinic Acids; Pellagra; Tryptophan; Zea mays | 1980 |
Effects of a dietary excess of leucine on the metabolism of tryptophan in the rat: a mechanism for the pellagragenic action of leucine.
Topics: Animals; Carboxy-Lyases; Diet; Hydrolases; Leucine; Male; Pellagra; Rats; Rats, Inbred Strains; Tryptophan | 1983 |
Discovery of the effect of tryptophan on niacin deficiency.
Topics: Animals; Body Weight; Caseins; Diet; Dog Diseases; Dogs; History, 20th Century; Humans; Nicotinic Acids; Nutritional Requirements; Pellagra; Rats; Socioeconomic Factors; Species Specificity; Tryptophan; Zea mays; Zein | 1981 |
[Pellagra (deficiency of vitamin B3 or of the amino acid tryptophan): a disease still extant in the Netherlands].
Topics: Alcoholism; Amino Acids, Essential; Dietary Proteins; Female; Humans; Middle Aged; Niacinamide; Pellagra; Skin Diseases, Vesiculobullous; Treatment Outcome; Tryptophan | 1998 |
Indicanuria and the psychosis of a pellagrin.
Topics: Child; Humans; Indican; Infant; Mental Disorders; Pellagra; Psychotic Disorders; Tryptophan; Urine | 1955 |
The metabolic disorder in Hartnup disease.
Topics: Ataxia; Hartnup Disease; Humans; Metabolic Diseases; Pellagra; Tryptophan | 1960 |
Clinical significance of derangements of tryptophan metabolism. A review of pellagra, carcinoid and H disease.
Topics: Carcinoid Tumor; Humans; Malignant Carcinoid Syndrome; Pellagra; Tryptophan | 1961 |
Indole production in Hartnup disease.
Topics: Amino Acids; Ataxia; Hartnup Disease; Humans; Indoles; Pellagra; Tryptophan | 1963 |
CLINICAL AND BIOCHEMICAL FEATURES OF A CASE OF HARTNUP DISEASE.
Topics: Biochemical Phenomena; Biochemistry; Child; Genetics, Medical; Hartnup Disease; Humans; Indican; Indoleacetic Acids; Kidney; Kidney Diseases; Pellagra; Renal Aminoacidurias; Tryptophan; Urine | 1964 |
[SEROTONIN AND 5-HYDROXYINDOLACETIC ACID IN THE NEWBORN INFANT].
Topics: Anemia; Anemia, Aplastic; Cardiovascular System; Gastrointestinal Tract; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Infant; Infant, Newborn; Infant, Newborn, Diseases; Metabolic Diseases; Metabolism; Nervous System; Pellagra; Phenylketonurias; Physiology; Renal Aminoacidurias; Respiratory System; Serotonin; Tryptophan | 1964 |
Hartnup disease in psychiatric practice: clinical and biochemical features of three cases.
Topics: Hartnup Disease; Humans; Pellagra; Tryptophan | 1960 |
A note on tryptophane and pellagrous glossitis.
Topics: Glossitis; Humans; Pellagra; Tryptophan | 1951 |
The therapeutic effect of tryptophane in human pellagra.
Topics: Humans; Pellagra; Tryptophan | 1949 |
[The history of pellagra therapy].
Topics: Diet; Europe; History, 18th Century; History, 19th Century; History, 20th Century; Humans; Hungary; Pellagra; Poverty; Public Health; Rural Population; Tryptophan; United States | 2009 |