tryptophan has been researched along with dihydroxyphenylalanine in 228 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 188 (82.46) | 18.7374 |
| 1990's | 19 (8.33) | 18.2507 |
| 2000's | 13 (5.70) | 29.6817 |
| 2010's | 6 (2.63) | 24.3611 |
| 2020's | 2 (0.88) | 2.80 |
| Authors | Studies |
|---|---|
| Bellman, K; Knegtel, RM; Settimo, L | 1 |
| Carlsson, A; Holmin, T; Lindqvist, M; Siesjö, BK | 1 |
| Engel, J; Hedner, T; Lundborg, P | 2 |
| Ahlenius, S; Almgren, O; Carlsson, A; Engel, J; Larsson, K; Södersten, P | 1 |
| Hedner, T; Lundborg, P | 1 |
| Randall, W; Trulson, ME | 1 |
| Grube, D | 1 |
| Carlsson, A; Lindqvist, M | 4 |
| Davis, JN | 1 |
| Gaillard, JM; Tissot, R | 1 |
| Benignus, VA; Davis, JN; McNamara, MC; Miller, AT | 1 |
| Calderini, G; Carlsson, A; Nordström, CH | 2 |
| Ahtee, L; Carlsson, A | 1 |
| Chmela, Z; Rypka, M; Sklenovský, A | 1 |
| Levy, HL | 1 |
| Carlsson, A | 1 |
| Tissot, R | 1 |
| Moore, KE; Wuerthele, SM | 1 |
| Engström, G; Strömbom, U; Svensson, TH; Waldeck, B | 1 |
| Jacoby, JH; Mueller, G; Wurtman, RJ | 1 |
| Kehr, W | 1 |
| Das, NV; Gairola, C; Hurley, LH | 1 |
| Kehr, W; Speckenbach, W | 1 |
| Brown, KD; Zurawski, G | 1 |
| DiRaddo, J; Kellogg, C | 1 |
| Grahame-Smith, DG; Green, AR | 3 |
| Lees, GJ; Weiner, N | 2 |
| Fahn, S; Lane, E; Makadon, H; Prasad, AL; Snider, S | 1 |
| Weigel, K; Weitbrecht, WU | 1 |
| Chiueh, CC; Moore, KE | 1 |
| Koppenol, WH; Maskos, Z; Rush, JD | 1 |
| Babu, V; Joshi, PC | 1 |
| Duine, JA | 3 |
| De Vries, JB; Westerink, BH | 1 |
| Borisenko, SA | 1 |
| Carlsson, A; Clark, D; Fornstedt, B; Pileblad, E | 1 |
| Carlsson, A; Eriksson, T; Wiesel, K | 1 |
| Chapin, DS; Lookingland, KJ; Moore, KE; Shannon, NJ | 1 |
| Fujiwara, M; Lee, K; Miwa, S | 1 |
| Spector, AA; Strom, DK; Yorek, MA | 1 |
| Lehmann, J | 3 |
| Hall, CD; Mozzis, CE; Prange, AJ; Weiss, EA | 1 |
| Alunno, S; Campriani, S; Cozzolino, G; Giannini, R; Giombini, L | 1 |
| Nistri, A | 1 |
| Birkmayer, W; Neumayer, E | 2 |
| Carman, JS | 1 |
| Carroll, JD; Coppen, A; Metcalfe, M; Morris, JG | 1 |
| Mizuno, TI; Yugari, Y | 1 |
| Kido, R; Minatogawa, Y; Noguchi, T | 1 |
| Atkins, FL; Beaven, MA; Keiser, HR | 1 |
| Carlsson, A; Davis, JN | 2 |
| Gonnard, P | 1 |
| Agarwal, MK | 1 |
| Greenstein, M; Jacoby, JH; Sassin, JF; Weitzman, ED | 1 |
| Balzamo, E; Meldrum, BS; Vuillon-Cacciuttolo, G; Wada, JA | 1 |
| Himwich, HE; Shah, NS; Stevens, S | 1 |
| Kanig, K; Oesterle, W | 1 |
| Aghajanian, GK; Kuhar, MJ; Roth, RH | 1 |
| Ernst, AM | 1 |
| Randall, W; Trulson, M | 1 |
| Knowles, WS; Sabacky, MJ; Vineyard, BD | 1 |
| Franz, DN; Hare, BD; Neumayr, RJ | 1 |
| Modigh, K | 1 |
| Fernstrom, JD; Larin, F; Mostafapour, S; Wurtman, RJ | 1 |
| Gessa, GL; Tagliamonte, A | 1 |
| Engel, J; Lundborg, P | 1 |
| Goodwin, FK; Post, RM | 1 |
| Garelis, E; Lal, S; Sourkes, TL; Young, SN | 1 |
| Herbert, J; Johnson, JR; Meyer, PA; Westaby, DA | 1 |
| Winfield, ME | 1 |
| Oswald, I | 1 |
| Murphy, DL | 1 |
| Boullin, DJ; Green, AR | 1 |
| Bunney, WE; Goodwin, FK; Gordon, EK; House, KM; Murphy, DL | 1 |
| Ho, IK; Loh, HH; Way, EL | 1 |
| Balzamo, E; Meldrum, BS; Vuillon-Cacciuttolo, G | 1 |
| Curzon, G | 1 |
| Putkonen, PT | 1 |
| Curzon, G; Knott, PJ | 1 |
| Bédard, P; Carlsson, A; Lindqvist, M; Magnusson, T | 1 |
| Mandell, AJ; Spooner, CE | 1 |
| Litwack, G; Miller, JE | 2 |
| Fekete, M; Kurti, AM | 1 |
| Civen, M; Semba, T | 1 |
| Shibasaki, H | 1 |
| Shibazaki, H | 1 |
| Bagchi, SP; Zarycki, EP | 1 |
| Puzyńska, L | 1 |
| Wyatt, RJ | 1 |
| Atack, CV; Carlsson, A; Davis, JN; Kehr, W; Lindqvist, M | 1 |
| Knapp, S; MAndell, AJ; Rogawski, MA | 1 |
| Baldessarini, RJ; Fischer, JE | 1 |
| Diven, WF; Grever, MR; Meneely, RL; Neary, JT | 1 |
| Macmenamin, PN; Pantelouris, EM | 1 |
| Matussek, N | 1 |
| Stancer, HC | 1 |
| Presthus, J | 1 |
| Fujisawa, K; Kurihara, N | 1 |
| Parlatore, A; Whybrow, P | 1 |
| Jacobowitz, DM | 1 |
| Brossi, A; Teitel, S | 1 |
| Hartley, R; Smith, JA | 1 |
| Birkmayer, W; Danielczyk, W; Neumayer, E; Riederer, P | 2 |
| Ahmed, R; Chow, R; Dowson, JH; Gillingham, FJ; Pullar, IA | 2 |
| Oldendorf, WH | 2 |
| Curzon, G; Gumpert, J; Sharpe, D | 1 |
| Henry, GM; Murphy, DL; Weingartner, H | 1 |
| Björklund, A; Håkanson, R; Lindvall, O; Sundler, F | 1 |
| Colburn, RW; Fales, HM; Milne, GW | 1 |
| Ekström-Jodal, B; Häggendal, E; Roos, BE; von Essen, C | 1 |
| Engel, J; Modigh, K | 1 |
| Algeri, S; Cerletti, C | 2 |
| Simpson, AJ | 1 |
| Ippen, H | 1 |
| Brodie, HK; Bunney, WE; Goodwin, FK; Murphy, DL | 1 |
| Tjälve, H | 1 |
| Cotzias, GC; Düby, S; Ginos, J; Papavasiliou, PS; Steck, A | 1 |
| Cotzias, GC; Hurley, LS; Miller, ST; Sladic-Simic, D; Tang, LC | 1 |
| Diaz, JL; Huttunen, M; Karobath, M | 1 |
| Fishman, WH; Sie, HG | 1 |
| Díaz, JL; Huttunen, MO; Karobath, M | 1 |
| Missala, K; Sourkes, TL | 1 |
| Frenkel, R; Goldstein, M | 1 |
| Oshika, H | 1 |
| De Ropp, RS; Furst, A | 1 |
| Anderson, EG; Baker, RG; Banna, NR | 1 |
| Kawabata, K | 1 |
| Andén, NE; Corrodi, H; Fuxe, K; Hökfelt, T | 1 |
| Droz, B; Taksi, Zh | 1 |
| Callison, D; Glisson, S; Kamano, A; Shah, NS | 1 |
| Oja, SS | 1 |
| Feer, H; Wirz-Justice, A | 1 |
| Daldrup, J; Forssmann, WG; Wacker, P | 1 |
| Chalmers, JP; Pohorecky, LA | 1 |
| Munro, HN; Weiss, BF; Wurtman, RJ | 1 |
| McGeer, EG; McGeer, PL; Peters, DA | 1 |
| Gaffney, TE; Loggie, JM; Privitera, PJ | 1 |
| Jequier, E; Lovenberg, W; Robinson, DS; Sjoerdsma, A | 1 |
| Gamborg, OL | 1 |
| Anderson, EG; Baker, R; Banna, N | 1 |
| Gelenberg, AJ; Gibson, CJ; Wojcik, JD | 1 |
| Katz, IR | 1 |
| Chia, YC; Lees, GJ; Smith, GW | 1 |
| Huot, S; Palfreyman, MG; Vitali, P; Wagner, J; Zraika, M | 1 |
| Aguado, EG; de Yebenes, JG; Mena, MA | 1 |
| Chakraborty, AK; Chakraborty, C; Chakraborty, DP; Dutta, AK | 1 |
| Gelenberg, AJ; Gibson, CJ | 1 |
| Almgren, O; Hallberg, H; Svensson, TH | 1 |
| Chakraborty, AK; Chakraborty, C; Chakraborty, DP; Chatterjee, A | 1 |
| Anderson, GM; Chouinard, G; Gauthier, S; Purdy, WC; Young, SN | 1 |
| Carlsson, A; Dahlgren, N; Sakabe, T; Siesjö, BK | 1 |
| Ahlenius, S; Berggren, U; Engel, J | 1 |
| Klinman, JP; Mu, D | 1 |
| McIntire, WS | 1 |
| Chakraborty, AK; Chakraborty, DP | 1 |
| Finazzi-Agrò, A; Pedersen, JZ | 1 |
| Tanizawa, K | 2 |
| Chakraborty, AK; Chakraborty, DP; Roy, S | 1 |
| Anthony, C | 1 |
| Hartmann, C; McIntire, WS | 1 |
| Bayer, E; de Vincentiis, M; Kammerer, B; Nicholson, GJ; Pusecker, K; Scippa, S; Taylor, SW; Walk, T | 1 |
| Nakahara, D; Nakamura, M | 1 |
| Esteban, S; García-Sevilla, JA; Lladó, J; Sastre-Coll, A | 1 |
| Mitchell, AE; Rucker, RB; Stites, TE | 1 |
| Ishida, Y; Nakahara, D; Nakamura, M; Oki, Y | 1 |
| Furukawa, H; Furuno, N; Nakahara, D; Nakamura, M | 1 |
| Drsata, J; Marklová, E | 1 |
| Craig, AG; Fischer, WH; Lehrer, RI; Park, M; Taylor, SW | 1 |
| Chen, X; Luo, Q; Ni, J; Wang, H; Zhang, Q; Zou, H | 1 |
| Ando, T; Berg, RD; Brown, RF; Dunn, AJ | 1 |
| Klinman, JP; Schwartz, B | 1 |
| Baoutina, A; Davies, MJ; Dean, RT; Knott, HM | 1 |
| Boyle, GM; Brown, DL; Chen, W; Cook, AL; Leonard, JH; Marks, LH; Parsons, PG; Smit, DJ; Stow, JL; Sturm, RA | 1 |
| CARLSSON, A; LINDQVIST, M; MAGNUSSON, T | 1 |
| ROSENGREN, E | 1 |
| ADICOFF, A; ALEXANDER, CS; DAVIS, RB | 1 |
| CARTIER, P; FABLET, J; GEFFROY, Y; LEGRAND, M; LEMOINE, P; MALANDRIN, C; MOREAU, J | 1 |
| GEY, KF; PLETSCHER, A | 1 |
| ELLISON, T; ERICKSON, RW; GREEN, H; GREENBERG, SM; SAWYER, JL | 1 |
| DEWS, PB; SMITH, CB | 1 |
| ARIENS, EJ; HURKMANS, JA; van der SCHOOT, J; van ROSSUM, J | 1 |
| AIRAKSINEN, MM; MATTILA, M | 1 |
| DAY, M; GREEN, JP | 1 |
| KURIHARA, M | 1 |
| BARCHAS, J; LOVENBERG, W; UDENFRIEND, S; WEISSBACH, H | 1 |
| CONTRERAS, E; CROXATTO, R; HUIDOBRO, F | 1 |
| FONNUM, F; HAAVALDSEN, R; TANGEN, O | 1 |
| DELAUNOIS, AL; DESCHAEPDRYVER, AF; HEYMANS, C; PIETTE, Y | 1 |
| BECK, M; CHESSICK, RD; KRONHOLM, J; MAIER, G | 1 |
| GRANDJEAN, JL; LHUILLIER, J; NAKAJIMA, H; THUILLIER, J | 1 |
| JACOBY, GA; LADU, BN | 1 |
| ROOS, BE; STEG, G | 1 |
| CARDOT, J | 1 |
| LEVITT, M; NAGATSU, T; UDENFRIEND, S | 1 |
| IKEDA, T | 1 |
| HUANG, KC; LIN, DS; ROUT, WR | 1 |
| KATO, R | 1 |
| Murgia, S; Rescigno, A; Sanjust, E; Soddu, G | 1 |
| Elekes, K; Filla, A; Hiripi, L | 1 |
| Briganti, S; Camera, E; Cario-André, M; Flori, E; Maresca, V; Picardo, M; Taïeb, A | 1 |
| Aparicio, S; Barceló, P; Esteban, S; Fiol, MA; Garau, C; Moranta, D; Rial, R | 1 |
| Nakai, T; Okajima, T; Tanizawa, K | 1 |
| Choi, S; DiSilvio, B; Fernstrom, JD; Fernstrom, MH | 1 |
| Ametamey, SM; Franck, D; Keller, C; Krämer, SD; Kuznetsova, OF; Mu, L; Müller, A; Müller, C; Ross, TL; Schibli, R; Schweinsberg, C | 1 |
| Bonnot, F; Klinman, JP | 1 |
| DOMER, FR | 1 |
| Feist, AM; Herrgard, M; Kim, SH; Luo, H; Palsson, BØ; Wulff, T; Yang, L | 1 |
| Arnaboldi, S; Benincori, T; Bonetti, G; Cirilli, R; Kuhn, A; Salinas, G | 1 |
37 review(s) available for tryptophan and dihydroxyphenylalanine
| Article | Year |
|---|---|
[The endocrine cells of the gastrointestinal epithelium and the metabolism of biogenic amines in the gastrointestinal tract (author's transl)].
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Catecholamines; Chromaffin System; Diet; Dihydroxyphenylalanine; Enterochromaffin Cells; Fenclonine; Gastric Mucosa; Glucagon; Histamine; Histocytochemistry; Intestinal Mucosa; Male; Mast Cells; Microscopy, Fluorescence; Rats; Serotonin; Tryptophan | 1976 |
Monoamine precursors and analogues.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Drug Interactions; Drug Synergism; Humans; Levodopa; Mice; Parkinson Disease; Rats; Receptors, Drug; Stimulation, Chemical; Tremor; Tryptophan; Tyrosine | 1975 |
The common pathophysiology of monaminergic psychoses: a new hypothesis.
Topics: 5-Hydroxytryptophan; Amino Acids; Biological Transport, Active; Bipolar Disorder; Blood-Brain Barrier; Brain; Catecholamines; Clomipramine; Dihydroxyphenylalanine; Dopamine; Electroconvulsive Therapy; Humans; Lithium; Lysergic Acid Diethylamide; Models, Biological; Monoamine Oxidase Inhibitors; Psychotic Disorders; Schizophrenia; Serotonin; Tranquilizing Agents; Tryptophan; Tyrosine | 1975 |
Quinoproteins: enzymes containing the quinonoid cofactor pyrroloquinoline quinone, topaquinone or tryptophan-tryptophan quinone.
Topics: Coenzymes; Dihydroxyphenylalanine; Enzymes; Gram-Negative Bacteria; Indolequinones; Molecular Conformation; Oxidoreductases; PQQ Cofactor; Protein Conformation; Quinolones; Quinones; Tryptophan | 1991 |
[Modern treatment of parkinsonism].
Topics: Antiparkinson Agents; Brain Stem; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Female; Gastrointestinal Diseases; Humans; Hydrazines; Hydroxyindoleacetic Acid; Male; Movement Disorders; Norepinephrine; Parkinson Disease; Psychoses, Substance-Induced; Serotonin; Tryptophan | 1972 |
[Current data on the lateral biochemical effects of dopa].
Topics: Aminobutyrates; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Dopa Decarboxylase; Melatonin; Metabolism; Methylation; Polyribosomes; Protein Biosynthesis; Pyridoxal Phosphate; S-Adenosylmethionine; Stimulation, Chemical; Tryptophan; Tyrosine 3-Monooxygenase | 1974 |
[Biochemical treatment possibilities in psychoses].
Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine | 1969 |
Monoamine metabolites in lumbar CSF: the question of their origin in relation to clinical studies.
Topics: Animals; Biological Transport, Active; Brain; Cats; Cerebral Ventricles; Cerebrospinal Fluid; Choroid Plexus; Dihydroxyphenylalanine; Dogs; Dopamine; Fenclonine; Glycols; Haplorhini; Homovanillic Acid; Humans; Hydrocephalus; Hydroxyindoleacetic Acid; Levodopa; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Probenecid; Serotonin; Spinal Cord; Spinal Cord Injuries; Tryptophan | 1974 |
Drugs and sleep.
Topics: Aminobutyrates; Amphetamine; Animals; Antidepressive Agents; Barbiturates; Caffeine; Cats; Clinical Trials as Topic; Dihydroxyphenylalanine; Dreams; Drug Utilization; Ethanol; Hormones; Humans; Hydroxybutyrates; Hypnotics and Sedatives; Lysergic Acid Diethylamide; Methods; Monoamine Oxidase Inhibitors; Morphine; Nicotine; Parasympatholytics; Parasympathomimetics; Phenytoin; Rats; Reserpine; Sleep; Sleep, REM; Tranquilizing Agents; Tryptophan | 1968 |
Availability of tryptophan to the brain and some hormonal and drug influences on it.
Topics: Adipose Tissue; Aminophylline; Animals; Blood Proteins; Brain; Brain Chemistry; Cyclic AMP; Dihydroxyphenylalanine; Fatty Acids, Nonesterified; Humans; In Vitro Techniques; Insulin; Isoproterenol; Liver Diseases; Nicotinic Acids; Norepinephrine; Protein Binding; Rats; Serotonin; Serum Albumin; Stress, Physiological; Time Factors; Tryptophan; Xanthines | 1974 |
Monoamines and the regulation of vigilance and sleep.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Blood-Brain Barrier; Brain; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Dopa Decarboxylase; Haplorhini; Humans; Muscle Tonus; Norepinephrine; Papio; Phenylalanine; Rats; Reserpine; Serotonin; Sleep Stages; Sleep, REM; Stimulation, Chemical; Tryptophan; Wakefulness | 1974 |
Psychochemical research studies in man.
Topics: Animals; Behavior; Bipolar Disorder; Brain; Brain Chemistry; Depression; Dihydroxyphenylalanine; Hallucinogens; Hartnup Disease; Humans; Imipramine; Metabolism, Inborn Errors; Models, Neurological; Neurons; Neurotransmitter Agents; Norepinephrine; Phenylketonurias; Psychopharmacology; Sleep, REM; Tryptophan | 1968 |
Parkinson's syndrome. Recent progress in the medical treatment and its pharmacological basis.
Topics: Amantadine; Atropine; Catecholamines; Dihydroxyphenylalanine; Histamine H1 Antagonists; Humans; Imipramine; Parkinson Disease; Tryptophan | 1971 |
[Recent advances and pharmacological basis of the medical treatment of Parkinson's syndrome].
Topics: Amantadine; Catecholamines; Dihydroxyphenylalanine; Histamine H1 Antagonists; Humans; Imipramine; Parasympatholytics; Parkinson Disease; Tryptophan | 1971 |
[Biochemistry of depression].
Topics: Animals; Bipolar Disorder; Brain; Central Nervous System; Depression; Dihydroxyphenylalanine; Glycols; Humans; Hydroxyindoleacetic Acid; Norepinephrine; Parkinson Disease; Peripheral Nerves; Phenylacetates; Serotonin; Tryptophan; Tryptophan Hydroxylase | 1972 |
Psychopharmacology. Yesterday, today and tomorrow: a point of view.
Topics: Affective Symptoms; Amitriptyline; Antidepressive Agents; Canada; Carbonates; Depression; Dihydroxyphenylalanine; Drug Industry; Electroconvulsive Therapy; Humans; Imipramine; Lithium; Mental Disorders; Methoxyhydroxyphenylglycol; Monoamine Oxidase Inhibitors; Nicotinic Acids; Psychopharmacology; Research Support as Topic; Schizophrenia; Tranquilizing Agents; Tryptophan; Vitamins | 1973 |
[Other trials with drug therapy in parkinsonism].
Topics: 5-Hydroxytryptophan; Amitriptyline; Animals; Dihydroxyphenylalanine; Disulfiram; Drug Evaluation; Drug Therapy, Combination; Humans; Imipramine; Methyldopa; Monoamine Oxidase Inhibitors; Parkinson Disease; Picolinic Acids; Rats; Serine; Time Factors; Tryptophan; Tyrosine | 1973 |
[Metabolic anomaly and management of hepatic coma].
Topics: Adrenal Cortex Hormones; Ammonia; Catecholamines; Dihydroxyphenylalanine; Electrolytes; Exchange Transfusion, Whole Blood; Fatty Acids; Hepatic Encephalopathy; Humans; Hypokalemia; Immunization, Passive; Tryptophan | 1973 |
Melancholia, a model in madness: a discussion of recent psychobiologic research into depressive illness.
Topics: Adaptation, Psychological; Biogenic Amines; Brain; Depression; Dihydroxyphenylalanine; Emotions; Environment; Homeostasis; Humans; Hydroxyindoleacetic Acid; Models, Biological; Models, Psychological; Research; Stress, Psychological; Terminology as Topic; Tryptophan | 1973 |
Distribution of biogenic amines in the pituitary gland.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Biogenic Amines; Dihydroxyphenylalanine; Fluorescence; Histocytochemistry; Models, Structural; Pituitary Gland; Rats; Receptors, Drug; Tryptophan | 1973 |
Alkaloids in the mammalian system.
Topics: 5-Hydroxytryptophan; Acetaldehyde; Alkaloids; Animals; Aporphines; Biogenic Amines; Catalysis; Cells, Cultured; Circular Dichroism; Cyclization; Dealkylation; Dihydroxyphenylalanine; Humans; Isoquinolines; Magnetic Resonance Spectroscopy; Mammals; Methylation; Molecular Conformation; Parkinson Disease; Stereoisomerism; Tryptophan | 1974 |
The carcinoid tumor, syndrome and spectrum. A review of the literature.
Topics: Antineoplastic Agents; Carcinoid Tumor; Cyproheptadine; Dihydroxyphenylalanine; Epinephrine; Ergolines; Humans; Hydroxyindoleacetic Acid; Mixed Function Oxygenases; Phenylalanine; Pyridoxine; Radiography; Serotonin; Serotonin Antagonists; Skin Tests; Tryptophan | 1969 |
[Drug induced alopecia].
Topics: Alopecia; Amino Acids; Animals; Anticoagulants; Antineoplastic Agents; Dihydroxyphenylalanine; Hair; Humans; Nicotinic Acids; Plant Extracts; Plants, Edible; Sheep; Sheep Diseases; Thallium; Thiouracil; Triparanol; Tryptophan; Vitamin A | 1970 |
Metabolic modification of Parkinson's disease and of chronic manganese poisoning.
Topics: Animals; Brain; Choline; Chronic Disease; Dihydroxyphenylalanine; Drug Synergism; Humans; Manganese Poisoning; Melatonin; Methionine; Monoamine Oxidase Inhibitors; Parkinson Disease; Phenylalanine; Poisoning; Pyridoxine; Tryptophan; Tyrosine | 1971 |
Neurotransmitter precursors for the treatment of depression.
Topics: 5-Hydroxytryptophan; Animals; Antidepressive Agents; Biogenic Amines; Catecholamines; Depressive Disorder; Dihydroxyphenylalanine; Humans; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1982 |
Tyrosine for the treatment of depression.
Topics: 5-Hydroxytryptophan; Adult; Animals; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Double-Blind Method; Female; Humans; Methoxyhydroxyphenylglycol; Tryptophan; Tyrosine | 1984 |
Quinoenzymes in biology.
Topics: Amino Acid Sequence; Animals; Coenzymes; Dihydroxyphenylalanine; Indolequinones; Molecular Sequence Data; Oxidation-Reduction; Oxidoreductases Acting on CH-NH Group Donors; PQQ Cofactor; Quinolones; Quinones; Sequence Homology, Amino Acid; Tryptophan | 1994 |
Quinoproteins.
Topics: Coenzymes; Dihydroxyphenylalanine; Indolequinones; Oxidation-Reduction; PQQ Cofactor; Quinolones; Quinones; Tryptophan | 1994 |
Protein-radical enzymes.
Topics: Dihydroxyphenylalanine; Enzymes; Free Radicals; Glycine; Molecular Structure; PQQ Cofactor; Quinolones; Tryptophan; Tyrosine | 1993 |
Biogenesis of novel quinone coenzymes.
Topics: Amine Oxidase (Copper-Containing); Amino Acid Sequence; Animals; Coenzymes; Dihydroxyphenylalanine; Humans; Indolequinones; Molecular Sequence Data; Oxidoreductases Acting on CH-NH Group Donors; Quinones; Sequence Alignment; Tryptophan | 1995 |
Vitiligo, psoralen, and melanogenesis: some observations and understanding.
Topics: Animals; Dihydroxyphenylalanine; Disease Models, Animal; Furocoumarins; Humans; Indoles; Lead; Melanins; Skin; Superoxide Dismutase; Tryptophan; Tyrosine; Tyrosine Transaminase; Ultraviolet Rays; Vitiligo | 1996 |
Quinoprotein-catalysed reactions.
Topics: Alcohol Oxidoreductases; Amine Oxidase (Copper-Containing); Bacterial Proteins; Binding Sites; Coenzymes; Dihydroxyphenylalanine; Disulfides; Electron Transport; Indolequinones; Lysine; Models, Chemical; Models, Molecular; Molecular Structure; Oxidation-Reduction; Oxidoreductases Acting on CH-NH Group Donors; PQQ Cofactor; Protein-Lysine 6-Oxidase; Quinolones; Quinones; Tryptophan | 1996 |
[Built-in cofactors: amino acid residue-derived new cofactors].
Topics: Amino Acids; Animals; Catalysis; Coenzymes; Dihydroxyphenylalanine; Indolequinones; Lysine; Protein Processing, Post-Translational; Quinones; Tryptophan | 1999 |
Physiological importance of quinoenzymes and the O-quinone family of cofactors.
Topics: Animals; Coenzymes; Dihydroxyphenylalanine; Enzymes; Humans; Indolequinones; Lysine; PQQ Cofactor; Quinolones; Quinones; Tryptophan | 2000 |
Mechanisms of biosynthesis of protein-derived redox cofactors.
Topics: Amino Acid Oxidoreductases; Amino Acids; Coenzymes; Dihydroxyphenylalanine; Galactose Oxidase; Indolequinones; Lysine; Oxidation-Reduction; Quinones; Tryptophan | 2001 |
[Mechanisms of biosynthesis of built-in cofactors].
Topics: Amine Oxidase (Copper-Containing); Amino Acid Sequence; Animals; Catalysis; Codon, Terminator; Coenzymes; Copper; Crystallography, X-Ray; Dihydroxyphenylalanine; Dipeptides; Endonucleases; Humans; Indolequinones; Ions; Molecular Sequence Data; Oxidoreductases Acting on CH-NH Group Donors; RNA-Directed DNA Polymerase; Tryptophan | 2011 |
Intrigues and intricacies of the biosynthetic pathways for the enzymatic quinocofactors: PQQ, TTQ, CTQ, TPQ, and LTQ.
Topics: Animals; Coenzymes; Dihydroxyphenylalanine; Dipeptides; Humans; Indolequinones; Lysine; PQQ Cofactor; Quinones; Tryptophan | 2014 |
9 trial(s) available for tryptophan and dihydroxyphenylalanine
| Article | Year |
|---|---|
[The effect of L-tryptophan on L-dopa absorption (author's transl)].
Topics: Dihydroxyphenylalanine; Humans; Intestinal Absorption; Tryptophan | 1976 |
Levodopa and L-tryptophan therapy in Parkinsonism.
Topics: Aged; Depression; Dihydroxyphenylalanine; Female; Gait; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Nausea; Occupational Therapy; Parkinson Disease; Personality Inventory; Physical Therapy Modalities; Posture; Psychiatric Status Rating Scales; Spasm; Speech Therapy; Tremor; Tryptophan | 1972 |
Letter: Self mutilation in Lesch-Nyhan syndrome.
Topics: 5-Hydroxytryptophan; Administration, Oral; Child; Dihydroxyphenylalanine; Humans; Hydroxyindoleacetic Acid; Infant; Lesch-Nyhan Syndrome; Placebos; Self Mutilation; Tryptophan | 1974 |
Estimation of brain amine metabolism in affective illness: cerebrospinal fluid studies utilizing probenecid.
Topics: Bipolar Disorder; Brain; Depression; Dihydroxyphenylalanine; Fenclonine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methyltyrosines; Phenylacetates; Placebos; Probenecid; Stimulation, Chemical; Substance-Related Disorders; Tryptophan | 1974 |
Drugs and sleep.
Topics: Aminobutyrates; Amphetamine; Animals; Antidepressive Agents; Barbiturates; Caffeine; Cats; Clinical Trials as Topic; Dihydroxyphenylalanine; Dreams; Drug Utilization; Ethanol; Hormones; Humans; Hydroxybutyrates; Hypnotics and Sedatives; Lysergic Acid Diethylamide; Methods; Monoamine Oxidase Inhibitors; Morphine; Nicotine; Parasympatholytics; Parasympathomimetics; Phenytoin; Rats; Reserpine; Sleep; Sleep, REM; Tranquilizing Agents; Tryptophan | 1968 |
The "switch process" in manic-depressive illness. II. Relationship to catecholamines, REM sleep, and drugs.
Topics: Affective Symptoms; Antidepressive Agents; Bipolar Disorder; Catecholamines; Catechols; Dihydroxyphenylalanine; Dopamine; Electroencephalography; Epinephrine; Glycols; Humans; Hydroxyindoleacetic Acid; Norepinephrine; Sleep; Sleep, REM; Tryptophan | 1972 |
The serotonin-catecholamine-dream bicycle: a clinical study.
Topics: 5-Hydroxytryptophan; Aged; Brain; Brain Chemistry; Catecholamines; Clinical Trials as Topic; Dihydroxyphenylalanine; Dreams; Electroencephalography; Female; Fenclonine; Humans; Male; Mental Disorders; Middle Aged; Monoamine Oxidase Inhibitors; Phenylalanine; Serotonin; Sleep; Sleep, REM; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Studies of alpha-methyl-para-tyrosine, L-dopa, and L-tryptophan in depression and mania.
Topics: Bipolar Disorder; Catecholamines; Clinical Trials as Topic; Dihydroxyphenylalanine; Dopamine; Humans; Methyltyrosines; Placebos; Tryptophan | 1971 |
Tyrosine for the treatment of depression.
Topics: 5-Hydroxytryptophan; Adult; Animals; Clinical Trials as Topic; Depression; Dihydroxyphenylalanine; Double-Blind Method; Female; Humans; Methoxyhydroxyphenylglycol; Tryptophan; Tyrosine | 1984 |
184 other study(ies) available for tryptophan and dihydroxyphenylalanine
| 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 |
Effect of hypercapnia and hypocapnia on tryptophan and tyrosine hydroxylation in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Ammonia; Animals; Brain; Carbohydrate Metabolism; Carbon Dioxide; Dihydroxyphenylalanine; Hydrazines; Hydrogen-Ion Concentration; Hydroxylation; Hypercapnia; Male; Partial Pressure; Phosphates; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1977 |
Effect of hypoxia on monoamine synthesis in brains of developing rats. II. Different length of exposure.
Topics: Animals; Brain; Dihydroxyphenylalanine; Hypoxia; Rats; Serotonin; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Effect of hypoxia on monoamine synthesis in brains of developing rats. III. Various O2 levels.
Topics: 5-Hydroxytryptophan; Animals; Animals, Newborn; Brain; Dihydroxyphenylalanine; Female; Hypoxia; Norepinephrine; Oxygen Consumption; Pregnancy; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1978 |
Effects of gonadectomy and hormone replacement on brain monoamine synthesis in male rats.
Topics: 5-Hydroxytryptophan; Animals; Brain; Castration; Catecholamines; Dihydroxyphenylalanine; Male; Rats; Testosterone; Time Factors; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Regional changes in monoamine synthesis in the developing rat brain during hypoxia.
Topics: 5-Hydroxytryptophan; Age Factors; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Hydrazines; Hypoxia, Brain; Nitrous Oxide; Oxygen Consumption; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1979 |
Similarities in the physiological bases of an abnormal grooming behavior in thyroidectomized cats and in cats with lesions of the central nervous system.
Topics: Animals; Appetitive Behavior; Cats; Consummatory Behavior; Dihydroxyphenylalanine; Fenclonine; Frontal Lobe; Grooming; Male; Pons; Serotonin; Superior Colliculi; Thyroid Gland; Thyroidectomy; Tryptophan | 1976 |
Effects of antidepressant agents on the synthesis of brain monoamines.
Topics: 5-Hydroxytryptophan; Animals; Antidepressive Agents, Tricyclic; Brain; Dihydroxyphenylalanine; Dopamine; Male; Norepinephrine; Rats; Receptors, Neurotransmitter; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine | 1978 |
Adaptation of brain monoamine synthesis to hypoxia in the rat.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Brain Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Hemoglobins; Hypoxia; Male; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1975 |
Blood-brain movements of tryptophan and tyrosine in manic-depressive illness and schizophrenia.
Topics: Adult; Bipolar Disorder; Blood-Brain Barrier; Brain; Dihydroxyphenylalanine; Humans; Middle Aged; Schizophrenia; Serotonin; Tryptophan; Tyrosine | 1979 |
Age related changes in the effect of electroconvulsive shock (ECS) on the in vivo hydroxylation of tyrosine and tryptophan in rat brain.
Topics: 5-Hydroxytryptophan; Aging; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benzyl Alcohols; Brain; Dihydroxyphenylalanine; Electroshock; Hydrazines; Male; Rats; Tryptophan; Tyrosine | 1977 |
Dependence of 5-HT and catecholamine synthesis on concentrations of precursor amino-acids in rat brain.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Haloperidol; Isoleucine; Kinetics; Male; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1978 |
Monoamine metabolism during bicuculline-induced epileptic seizures in the rat.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Bicuculline; Brain; Catecholamines; Cerebellum; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Limbic System; Male; Norepinephrine; Rats; Receptors, Adrenergic; Receptors, Dopamine; Receptors, Serotonin; Seizures; Serotonin; Tryptophan; Tyrosine | 1978 |
Influence of transient ischemia on monoamine metabolism in the rat brain during nitrous oxide and phenobarbitone anaesthesia.
Topics: 5-Hydroxytryptophan; Anesthesia, Inhalation; Anesthesia, Intravenous; Animals; Brain; Catecholamines; Cerebellum; Cerebrovascular Circulation; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Ischemic Attack, Transient; Limbic System; Male; Nitrous Oxide; Norepinephrine; Phenobarbital; Rats; Serotonin; Tryptophan; Tyrosine | 1978 |
Dual action of methadone on 5-HT synthesis and metabolism.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Hydroxyindoleacetic Acid; Male; Methadone; Morphine; Naloxone; Probenecid; Rats; Serotonin; Tryptophan; Tyrosine | 1979 |
The mechanism of effect of neuropharmacological drugs. VI.: Effect of noradrenaline and 5-hydroxytryptamine on brain free fatty acids.
Topics: Animals; Brain Chemistry; Brain Stem; Cerebral Cortex; Dihydroxyphenylalanine; Fatty Acids, Nonesterified; Hypothalamus; Norepinephrine; Rats; Serotonin; Tranylcypromine; Tryptophan | 1979 |
Treatment of phenylketonuria.
Topics: Adult; Child; Child Behavior Disorders; Dihydroxyphenylalanine; Female; Humans; Infant, Newborn; Male; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Time Factors; Tryptophan | 1979 |
Studies on the mechanisms of L-dopa-induced depletion of 5-hydroxytryptamine in the mouse brain.
Topics: Amines; Animals; Benztropine; Biological Transport; Brain; Clomipramine; Cocaine; Dihydroxyphenylalanine; Dopamine; Imipramine; Levodopa; Male; Mice; Mice, Inbred ICR; Serotonin; Tryptophan | 1977 |
Brain monoamine synthesis and receptor sensitivity after single or repeated administration of thyroxine.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Brain Chemistry; Clonidine; Dihydroxyphenylalanine; Dopamine; Locomotion; Male; Mice; Norepinephrine; Receptors, Drug; Reserpine; Serotonin; Stimulation, Chemical; Thyroxine; Tryptophan; Tyrosine | 1975 |
Thyroid state and brain monoamine metabolism.
Topics: 5-Hydroxytryptophan; Animals; Benserazide; Brain; Dihydroxyphenylalanine; Hyperthyroidism; Hypothyroidism; Male; Parathyroid Glands; Rats; Thyroid Gland; Thyroidectomy; Thyroxine; Tryptophan; Tyrosine | 1975 |
Influence of L-3-methoxytyrosine on monoamine synthesis in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Dihydroxyphenylalanine; Dopamine; Hydrazines; Hydroxyindoleacetic Acid; Levodopa; Liver; Male; Myocardium; Norepinephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1975 |
Pyrrolo[1,4]benzodiazepine antibiotics. Biosynthesis of the antitumor antibiotic 11-demethyltomaymycin and its biologically inactive metabolite oxotomaymycin by Streptomyces achromogenes.
Topics: 5-Hydroxytryptophan; Antibiotics, Antineoplastic; Benzodiazepinones; Dihydroxyphenylalanine; Hot Temperature; Methionine; ortho-Aminobenzoates; Pyrroles; Streptomyces; Tryptophan; Tyrosine | 1976 |
Effect of (+) amphetamine on monoamine synthesis and metabolism after axotomy in rat forebrain.
Topics: 5-Hydroxytryptophan; Animals; Axons; Biogenic Amines; Brain; Denervation; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Feedback; Haloperidol; Male; Norepinephrine; Rats; Tryptophan; Tyramine; Tyrosine | 1976 |
Chorismate mutase of Chlamydomonas reinhardi. Partial purification and some properties.
Topics: Chlamydomonas; Chorismate Mutase; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dihydroxyphenylalanine; Isomerases; Kinetics; Molecular Weight; Phenylalanine; Species Specificity; Tryptophan; Tyrosine | 1975 |
In vivo rates of tyrosine and tryptophan hydroxylation in regions of rat brain at four times during the light-dark cycle.
Topics: Amino Acids; Animals; Benzyl Compounds; Brain; Brain Stem; Carboxy-Lyases; Circadian Rhythm; Darkness; Diencephalon; Dihydroxyphenylalanine; Dopamine; Hydrazines; Hydroxylation; Light; Male; Norepinephrine; Rats; Serotonin; Telencephalon; Tryptophan; Tyrosine | 1975 |
The effect of diphenylhydantoin on brain 5-hydroxytryptamine metabolism and function.
Topics: Animals; Brain; Brain Chemistry; Clomipramine; Dihydroxyphenylalanine; Drug Synergism; Male; Monoamine Oxidase Inhibitors; Motor Activity; Phenytoin; Rats; Serotonin; Tranylcypromine; Tryptamines; Tryptophan | 1975 |
An examination of the catalytic properties of several aminotransferases in brain and liver by means of an improved radiometric assay with dinitrophenylhydrazine.
Topics: Animals; Brain; Catalysis; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; gamma-Aminobutyric Acid; Keto Acids; Liver; Male; Methods; Phenylhydrazines; Rats; Transaminases; Tryptophan; Tyrosine | 1975 |
Normalization of brain serotonin by L-tryptophan in levodopa-treated rats.
Topics: Animals; Behavior, Animal; Brain; Dihydroxyphenylalanine; Dopamine; Drug Interactions; Drug Therapy, Combination; Homovanillic Acid; Levodopa; Male; Rats; Serotonin; Tryptophan | 1975 |
Effects of dopaminergic agonists and electrical stimulation of the midbrain raphé on the release of 5-hydroxytryptamine from the cat brain in vivo.
Topics: Animals; Apomorphine; Brain; Cats; Caudate Nucleus; Dextroamphetamine; Dihydroxyphenylalanine; Electric Stimulation; Hypothalamus; Mesencephalon; Organ Specificity; Perfusion; Potassium; Serotonin; Tryptophan | 1976 |
The hydroxylation of phenylalanine and tyrosine: a comparison with salicylate and tryptophan.
Topics: Chelating Agents; Dihydroxyphenylalanine; Gamma Rays; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxides; Hydroxyl Radical; Hydroxylation; Iron; Kinetics; Macromolecular Substances; Oxidation-Reduction; Phenylalanine; Pulse Radiolysis; Salicylates; Salicylic Acid; Tryptophan; Tyrosine | 1992 |
Tryptophan as an endogenous photosensitizer to elicit harmful effects of ultraviolet B.
Topics: Dihydroxyphenylalanine; Dose-Response Relationship, Radiation; Indolequinones; Indoles; Monophenol Monooxygenase; Oxygen; Photochemistry; Quinones; Radiation-Sensitizing Agents; Singlet Oxygen; Superoxides; Tryptophan; Ultraviolet Rays | 1992 |
The quinoid cofactors, pyrroloquinoline quinone (PQQ), topaquinone (TPQ) and tryptophan tryptophylquinone (TTQ).
Topics: Animals; Coenzymes; Dihydroxyphenylalanine; Humans; Indolequinones; Molecular Structure; PQQ Cofactor; Quinolones; Quinones; Tryptophan | 1992 |
Effect of precursor loading on the synthesis rate and release of dopamine and serotonin in the striatum: a microdialysis study in conscious rats.
Topics: Animals; Corpus Striatum; Dialysis; Dihydroxyphenylalanine; Dopamine; Eating; Haloperidol; Kinetics; Male; Phenylalanine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1991 |
Effects of drugs on blood-brain barrier permeability in rats chronically intoxicated by ethanol.
Topics: Alcohol Deterrents; Alcoholism; Animals; Blood-Brain Barrier; Dihydroxyphenylalanine; Disulfiram; Ethanol; Pinocytosis; Psychotropic Drugs; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1990 |
Acute effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine on dopamine metabolism in mouse and rat striatum.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 5-Hydroxytryptophan; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Pyridines; Rats; Rats, Inbred Strains; Species Specificity; Time Factors; Tryptophan; Tyrosine | 1985 |
Rat brain concentration of administered amino acids: dependence on time of day for administration.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Brain Chemistry; Dihydroxyphenylalanine; Drug Administration Schedule; Hydroxyindoleacetic Acid; Levodopa; Male; Rats; Rats, Inbred Strains; Serotonin; Time Factors; Tryptophan | 1986 |
Exogenous tryptophan increases synthesis, storage, and intraneuronal metabolism of 5-hydroxytryptamine in the rat hypothalamus.
Topics: Animals; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Hydroxyindoleacetic Acid; Hypothalamus; Male; Neurons; Osmolar Concentration; Rats; Rats, Inbred Strains; Serotonin; Tryptophan | 1986 |
The effects of cinepazide on the content, biosynthesis and turnover of noradrenaline, dopamine and 5-hydroxytryptamine in the rat brain under room air and hypoxia.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Hydroxyindoleacetic Acid; Hydroxylation; Hypoxia; Kinetics; Male; Norepinephrine; Piperazines; Rats; Serotonin; Tryptophan; Tyrosine; Vasodilator Agents | 1986 |
Synthesis and high affinity uptake of serotonin and dopamine by human Y79 retinoblastoma cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Biological Transport; Cell Line; Dihydroxyphenylalanine; Dopamine; Eye Neoplasms; Humans; Hydroxyindoleacetic Acid; Kinetics; Norepinephrine; Phenylalanine; Retinoblastoma; Serotonin; Tryptophan; Tyrosine | 1987 |
Levodopa and depression in parkinsonism.
Topics: Depression; Dihydroxyphenylalanine; Drug Synergism; Humans; Parkinson Disease; Tryptophan | 1971 |
Inefficacy of tryptophan-pyridoxine in essential tremor.
Topics: Basal Ganglia; Dihydroxyphenylalanine; Drug Synergism; Female; Humans; Male; Parkinson Disease; Pyridoxine; Tremor; Tryptophan | 1971 |
Tryptophan nicotinic-acid metabolism during levodopa treatment of parkinsonism.
Topics: Dihydroxyphenylalanine; Humans; Male; Middle Aged; Nicotinic Acids; Parkinson Disease; Tryptophan | 1971 |
Levodopa and L-tryptophan in parkinsonism.
Topics: Brain; Dihydroxyphenylalanine; Drug Synergism; Humans; Parkinson Disease; Tryptophan | 1972 |
Hyperdopaminergic states: a continuum.
Topics: Dihydroxyphenylalanine; Haloperidol; Humans; Obsessive-Compulsive Disorder; Physostigmine; Tryptophan | 1972 |
Aromatic amino acid transaminases in rat brain.
Topics: 5-Hydroxytryptophan; Ammonium Sulfate; Animals; Brain; Chemical Precipitation; Chromatography, DEAE-Cellulose; Dihydroxyphenylalanine; Ketoglutaric Acids; Kynurenine; Male; Oxaloacetates; Phenylalanine; Pyruvates; Rats; Transaminases; Tryptophan; Tyrosine Transaminase | 1973 |
Effect of ethanol on the hydroxylation of tyrosine and tryptophan in rat brain in vivo.
Topics: Animals; Brain; Carboxy-Lyases; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Ethanol; Hydralazine; Hydroxylation; In Vitro Techniques; Norepinephrine; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1973 |
In-vivo measurements of tryptophan and tyrosine hydroxylase activities in mouse brain.
Topics: 5-Hydroxytryptophan; Animals; Brain; Carboxy-Lyases; Dihydroxyphenylalanine; Dopamine; Female; Hydrazines; Hydroxyindoleacetic Acid; Mice; Norepinephrine; Pargyline; Serotonin; Tryptophan; Tyrosine 3-Monooxygenase | 1973 |
Dopa decarboxylase in medullary carcinoma of the thyroid.
Topics: Adrenal Gland Neoplasms; Amine Oxidase (Copper-Containing); Aromatic Amino Acid Decarboxylase Inhibitors; Carbidopa; Carcinoma; Cresols; Dihydroxyphenylalanine; Dopa Decarboxylase; Histamine; Histidine; Humans; Hydrazines; Hydroxylamines; Methyldopa; Methylhistidines; Norepinephrine; Pheochromocytoma; Serotonin; Thyroid Gland; Thyroid Neoplasms; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
The effect of hypoxia on monoamine synthesis, levels and metabolism in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Dihydroxyphenylalanine; Dopamine; Fluorometry; Homovanillic Acid; Hydroxyindoleacetic Acid; Hypoxia; Kinetics; Male; Monoamine Oxidase Inhibitors; Norepinephrine; Probenecid; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine 3-Monooxygenase | 1973 |
Interference by tryptophan analogues of an in vitro assay for liver tyrosine transaminase activity.
Topics: 5-Hydroxytryptophan; Animals; Colorimetry; Dihydroxyphenylalanine; Enzyme Activation; Kinetics; Leucine; Liver; Mice; Phenylalanine; Serotonin; Structure-Activity Relationship; Tryptophan; Tyrosine Transaminase | 1974 |
The effect of monoamine precursors on the release of growth hormone in the Rhesus monkey.
Topics: Animals; Apomorphine; Brain; Dihydroxyphenylalanine; Electroencephalography; Growth Hormone; Haplorhini; Macaca; Pituitary Gland; Serotonin; Sleep; Tryptophan | 1974 |
Effects of L-tryptophan, L-3, 4, dihydroxyphenylalanine and tranylcypromine on the electroencephalogram and on photically induced epilepsy in the baboon, Papio papio.
Topics: Animals; Behavior, Animal; Brain Chemistry; Cerebral Cortex; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Electroencephalography; Female; Haplorhini; Heart Rate; Light; Male; Motor Activity; Muscle Tonus; Papio; Photic Stimulation; Salivation; Seizures; Tranylcypromine; Tryptophan; Visual Perception | 1972 |
TRH potentiates behavioural changes following increased brain 5-hydroxytryptamine accumulation in rats.
Topics: Animals; Behavior, Animal; Brain; Brain Chemistry; Dihydroxyphenylalanine; Drug Synergism; Motor Activity; Rats; Serotonin; Thyrotropin-Releasing Hormone; Tranylcypromine; Tryptophan | 1974 |
Effect of chronic administration of cortisone on the tryptophan induced changes in amine levels in the rat brain.
Topics: Animals; Brain; Carboxy-Lyases; Cortisone; Dehydroepiandrosterone; Dihydroxyphenylalanine; Female; Hydrocortisone; Isoniazid; Male; Norepinephrine; Rats; Serotonin; Tryptophan; Tryptophan Oxygenase | 1968 |
Selective reduction of tryptophan hydroxylase activity in rat forebrain after midbrain raphe lesions.
Topics: 5-Hydroxytryptophan; Animals; Brain Stem; Carbon Isotopes; Cerebral Cortex; Chromatography, Thin Layer; Dihydroxyphenylalanine; Fenclonine; Male; Mesencephalon; Mixed Function Oxygenases; Rats; Serotonin; Tryptophan; Tyrosine | 1971 |
Relationship of the central effect of dopamine on gnawing compulsion syndrome in rats and the release of serotonin.
Topics: 5-Hydroxytryptophan; Animals; Apomorphine; Behavior, Animal; Brain; Compulsive Behavior; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Fenclonine; Humans; Iproniazid; Male; Methyltyrosines; Rats; Serotonin; Tryptophan | 1972 |
5-Hydroxytryptamine metabolism, superior colliculus, and grooming behavior in cats with pontile lesions.
Topics: 5-Hydroxytryptophan; Administration, Oral; Animals; Cats; Consummatory Behavior; Dihydroxyphenylalanine; Fenclonine; Grooming; Haplorhini; Injections, Intramuscular; Injections, Intraperitoneal; Limbic System; Male; Mammals; Neural Pathways; Neurons; Pons; Reptiles; Serotonin; Superior Colliculi; Tryptophan; Tryptophan Hydroxylase | 1973 |
Catalytic asymmetric hydrogenation.
Topics: Acylation; Alanine; Amino Acids; Catalysis; Cinnamates; Dihydroxyphenylalanine; Fenclonine; Hydrogenation; Ligands; Optical Rotation; Phenylalanine; Phosphines; Tryptophan | 1973 |
Evidence for bulbospinal control of sympathetic preganglionic neurons by monoaminergic pathways.
Topics: 5-Hydroxytryptophan; Animals; Benserazide; Cats; Chloralose; Chlorpromazine; Computers; Desipramine; Dihydroxyphenylalanine; Electric Stimulation; Ethyl Ethers; Fenclonine; Ganglia, Autonomic; Microelectrodes; Neurons; Norepinephrine; Serotonin; Spinal Cord; Tryptophan | 1974 |
Functional aspects of 5-hydroxytryptamine turnover in the central nervous system.
Topics: 5-Hydroxytryptophan; Acetamides; Animals; Antidepressive Agents; Brain; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Fenclonine; Humans; Hydrazines; Imipramine; Male; Methyldopa; Motor Activity; Nialamide; Receptors, Drug; Reserpine; Serotonin; Stimulation, Chemical; Stress, Psychological; Tryptophan; Tyrosine | 1974 |
Brain catechol synthesis: control by train tyrosine concentration.
Topics: Alanine; Animals; Benserazide; Brain Chemistry; Dihydroxyphenylalanine; Fenclonine; Histidine; Leucine; Lysine; Male; Phenylalanine; Rats; Tryptophan; Tyrosine | 1974 |
Possible role of brain serotonin and dopamine in controlling male sexual behavior.
Topics: 5-Hydroxytryptophan; Amphetamine; Animals; Apomorphine; Brain; Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Ejaculation; Female; Fenclonine; Haloperidol; Male; Monoamine Oxidase Inhibitors; Motivation; Pargyline; Rats; Serotonin; Serotonin Antagonists; Sexual Behavior, Animal; Tryptamines; Tryptophan | 1974 |
Regional changes in monoamine levels and in the rate of tyrosine and tryptophan hydroxylation in 4 week old offspring of nursing mothers treated with the neuroleptic drug penfluridol.
Topics: 5-Hydroxytryptophan; Age Factors; Animals; Animals, Newborn; Biogenic Amines; Body Weight; Brain; Brain Chemistry; Brain Stem; Breast Feeding; Corpus Striatum; Diencephalon; Dihydroxyphenylalanine; Female; Hydrocarbons, Halogenated; Hydroxylation; Limbic System; Neurons; Norepinephrine; Organ Size; Piperidines; Pregnancy; Rats; Serotonin; Toluene; Tranquilizing Agents; Tryptophan; Tyrosine | 1974 |
The autonomic nerve supply to the ferret's pineal gland studied by electron microscopy.
Topics: Animals; Autonomic Nervous System; Basement Membrane; Carnivora; Dihydroxyphenylalanine; Female; Fenclonine; Ganglia, Autonomic; Hydroxydopamines; Methyltyrosines; Microscopy, Electron; Mitochondria; Nerve Endings; Pineal Gland; Sympathectomy; Synaptic Vesicles; Tryptophan | 1974 |
Electron transfer within and between haemoprotein molecules.
Topics: Amino Acid Oxidoreductases; Amino Acids; Blood Proteins; Cytochromes; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Electron Transport; Heme; In Vitro Techniques; Iron; Myoglobin; Oxidation-Reduction; Tryptophan; Tyrosine | 1965 |
Amine precursors, amines, and false neurotransmitters in depressed patients.
Topics: Biogenic Amines; Biological Transport; Blood Platelets; Carbon Isotopes; Depression; Dihydroxyphenylalanine; Dopamine; Humans; Serotonin; Synaptic Transmission; Tryptophan | 1972 |
Mechanisms by which human blood platelets accumulate glycine, gaba and amino acid precursors of putative neurotransmitters.
Topics: Amino Acids; Aminobutyrates; Blood Platelets; Carbon Isotopes; Central Nervous System; Dihydroxyphenylalanine; Female; Glycine; Humans; In Vitro Techniques; Male; Phenylalanine; Protein Binding; Receptors, Drug; Synaptic Transmission; Tryptophan; Tyrosine | 1972 |
Cyclic adenosine monophosphate antagonism of morphine analgesia.
Topics: Adenylyl Cyclases; Analgesia; Animals; Brain; Cyclic AMP; Dihydroxyphenylalanine; Drug Interactions; Drug Tolerance; Male; Mice; Mice, Inbred ICR; Morphine; Pargyline; Serine; Theophylline; Time Factors; Tryptophan | 1973 |
Electroretinogram and afferent visual transmission in the epileptic baboon Papio papio. Effects of drugs influencing monoaminergic systems.
Topics: 5-Hydroxytryptophan; Animals; Anticonvulsants; Dihydroxyphenylalanine; Electroretinography; Epilepsy; Evoked Potentials; Geniculate Bodies; Haplorhini; Lysergic Acid Diethylamide; Occipital Lobe; Papio; Photic Stimulation; Retina; Synaptic Transmission; Tranylcypromine; Tryptophan; Visual Pathways | 1973 |
Effects on plasma and brain tryptophan in the rat of drugs and hormones that influence the concentration of unesterified fatty acid in the plasma.
Topics: Aminophylline; Animals; Brain Chemistry; Caffeine; Cyclic AMP; Dihydroxyphenylalanine; Epinephrine; Fatty Acids, Nonesterified; Food Deprivation; Hydroxyindoleacetic Acid; Injections, Subcutaneous; Insulin; Isoproterenol; Male; Nicotinic Acids; Protein Binding; Rats; Serotonin; Sodium Chloride; Theobromine; Tryptophan | 1974 |
The influence of nerve-impulse flow on the synthesis and metabolism of 5-hydroxytryptamine in the central nervous system.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Axons; Brain; Cerebral Decortication; Denervation; Dihydroxyphenylalanine; Dopamine; Enzyme Induction; Hydroxylation; Indoles; Lysergic Acid Diethylamide; Mice; N,N-Dimethyltryptamine; Nialamide; Norepinephrine; Occipital Lobe; Rats; Serotonin; Spinal Cord; Synaptic Transmission; Temporal Lobe; Time Factors; Tryptophan; Tyrosine | 1972 |
Subcellular distribution of tyrosine aminotransferase in rat brain.
Topics: Animals; Brain; Cell Nucleus; Centrifugation, Density Gradient; Dihydroxyphenylalanine; Ketoglutaric Acids; Kinetics; Male; Microscopy, Electron; Microsomes; Mitochondria; Monoamine Oxidase; Monoiodotyrosine; Nerve Endings; Oxaloacetates; Phenylalanine; Pyruvates; Rats; Tryptophan; Tyrosine; Tyrosine Transaminase | 1969 |
On the dopaminergic nature of the gnawing compulsion induced by apomorphine in mice.
Topics: Animals; Apomorphine; Compulsive Behavior; Dihydroxyphenylalanine; Humans; Mice; Monoamine Oxidase Inhibitors; Nialamide; Propylamines; Tranylcypromine; Tryptophan | 1970 |
Subcellular distribution of aromatic amino acid transaminases in rat brain.
Topics: 5-Hydroxytryptophan; Amines; Animals; Benzoates; Brain; Centrifugation; Dihydroxyphenylalanine; Dopamine; Male; Microsomes; Mitochondria; Rats; Serotonin; Spectrophotometry; Transaminases; Tryptophan; Tyrosine Transaminase | 1970 |
Purification, properties, and identity of liver mitochondrial tyrosine aminotransferase.
Topics: Amino Acids; Animals; Antibodies; Asparagine; Aspartate Aminotransferases; Aspartic Acid; Chemical Phenomena; Chemistry, Physical; Chromatography, Gel; Crystallization; Cysteine; Cytoplasm; Diffusion; Dihydroxyphenylalanine; Fenclonine; Glutamates; Isoelectric Focusing; Isoenzymes; Ketoglutaric Acids; Male; Methionine; Mitochondria, Liver; Molecular Weight; Monoiodotyrosine; Oxaloacetates; Phenylpyruvic Acids; Rats; Stereoisomerism; Tryptophan; Tyrosine; Tyrosine Transaminase; Ultracentrifugation; Vibration | 1971 |
Occurrence of phenylalanine hydroxylation in the pineal gland in vivo: possible role of tyrosine and tryptophan hydroxylases.
Topics: Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Fenclonine; Hydroxylation; Mixed Function Oxygenases; Phenylalanine; Pineal Gland; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine 3-Monooxygenase | 1971 |
Transamination of aromatic amino acids in rat liver and brain.
Topics: Amino Acids; Animals; Brain; Chromatography, Gel; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Enzyme Activation; Hydrazines; Hydrogen-Ion Concentration; Kinetics; Liver; Male; Mitochondria, Liver; Phenylalanine; Protein Binding; Pyridoxal Phosphate; Pyridoxine; Rats; Spectrophotometry; Subcellular Fractions; Transaminases; Tryptophan; Tyrosine Transaminase; Ultraviolet Rays | 1972 |
Simultaneous measurement of tyrosine and tryptophan hydroxylase activities in brain in vivo using an inhibitor of the aromatic amino acid decarboxylase.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Carboxy-Lyases; Catecholamines; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; Male; Methyltyrosines; Mixed Function Oxygenases; Rats; Time Factors; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Effects of ethanol on tryptophan hydroxylase activity from striate synaptosomes.
Topics: Alcohols; Animals; Carbon Radioisotopes; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Dose-Response Relationship, Drug; Ethanol; In Vitro Techniques; Kidney; Male; Mesencephalon; Mixed Function Oxygenases; Rats; Serotonin; Structure-Activity Relationship; Synaptosomes; Tryptophan; Tryptophan Hydroxylase | 1974 |
The role of brain dopamine in the hyperactivity syndrome produced by increased 5-hydroxytryptamine synthesis in rats.
Topics: Animals; Brain Chemistry; Dihydroxyphenylalanine; Disulfiram; Dopamine; Methyltyrosines; Monoamine Oxidase Inhibitors; Motor Activity; Rats; Serotonin; Stimulation, Chemical; Time Factors; Tranylcypromine; Tryptamines; Tryptophan | 1974 |
[L-tryptophan therapy of DOPA psychoses].
Topics: Aged; Athetosis; Cardiovascular Diseases; Chorea; Constipation; Dihydroxyphenylalanine; Feeding and Eating Disorders; Female; Humans; Male; Middle Aged; Parkinson Disease; Psychoses, Substance-Induced; Seizures; Sleep Wake Disorders; Tryptophan; Vertigo; Vomiting | 1972 |
Serotonin metabolism in rat brain after surgical diversion of the portal venous circulation.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Female; Hydroxyindoleacetic Acid; Liver; Portacaval Shunt, Surgical; Portal System; Rats; Serotonin; Tritium; Tryptophan | 1973 |
The interactions between biogenic amines and pyridoxal, pyridoxal phosphate, and pyridoxal kinase.
Topics: 5-Hydroxytryptophan; Adenosine Triphosphate; Amines; Animals; Biogenic Amines; Brain; Cattle; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopamine; Norepinephrine; Phosphotransferases; Picolines; Pyridoxal Phosphate; Pyridoxine; Serotonin; Spectrophotometry; Tryptophan; Tyrosine; Zinc | 1972 |
Amino acid decarboxylase activity in "nude" mouse liver.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Carboxy-Lyases; Dihydroxyphenylalanine; Female; Genotype; Glutamates; Histidine; Infertility; Kidney; Liver; Male; Mice; Mutation; Thymus Gland; Transplantation, Homologous; Tryptophan; Tyrosine; Ultrasonics | 1973 |
Inhibition of catecholamine oxidation by indoles.
Topics: 5-Hydroxytryptophan; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Dopamine Antagonists; Fluorine; Fungi; Indoles; Kinetics; Melatonin; Monophenol Monooxygenase; Oxidation-Reduction; Serotonin; Spectrophotometry; Tryptamines; Tryptophan | 1972 |
The balance of biogenic amines as condition for normal behaviour.
Topics: Aged; Benzyl Compounds; Brain; Dihydroxyphenylalanine; Dopamine; Electroencephalography; Female; Humans; Hydrazines; Hydroxyindoleacetic Acid; Male; Middle Aged; Norepinephrine; Parkinson Disease; Phenylacetates; Psychoses, Substance-Induced; Serine; Serotonin; Tryptophan | 1972 |
Biochemical investigations in Parkinsonism. A study of the metabolites of the biogenic amines in the lumbar CSF.
Topics: Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Microscopy, Fluorescence; Parkinson Disease; Phenylacetates; Tryptophan | 1972 |
Transaminations between amino acids and keto acids elevated in phenylketonuria and maple syrup urine disease.
Topics: Amino Acids; Animals; Brain Stem; Carbon Isotopes; Cerebellum; Dialysis; Dihydroxyphenylalanine; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Keto Acids; Ketoglutaric Acids; Kinetics; Liver; Maple Syrup Urine Disease; Phenylketonurias; Pyruvates; Rats; Transaminases; Tritium; Tryptophan | 1973 |
Stereospecificity of blood-brain barrier permeability to amino acids.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Histidine; Isoleucine; Leucine; Lysine; Male; Methionine; Phenylalanine; Rats; Threonine; Tritium; Tryptophan; Tyrosine; Valine | 1973 |
Effect of hypoxia on tyrosine and tryptophan hydroxylation in unanaesthetized rat brain.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Brain Chemistry; Dihydroxyphenylalanine; Hydroxylation; Hypoxia; Male; Nitrogen; Oxygen; Rats; Serotonin; Tryptophan; Tyrosine | 1973 |
Amine metabolites in the cerebrospinal fluid in Parkinson's disease and the response to levodopa.
Topics: Adult; Aged; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Electroencephalography; Evaluation Studies as Topic; Female; Follow-Up Studies; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Parkinson Disease; Phenylacetates; Serotonin; Tryptophan | 1973 |
Influence of affective states and psychoactive drugs on verbal learning and memory.
Topics: Bipolar Disorder; Carbonates; Depression; Dihydroxyphenylalanine; Humans; Imipramine; Lithium; Memory; Methyltyrosines; Serial Learning; Tryptophan; Verbal Learning; Word Association Tests | 1973 |
Saturation of blood brain barrier transport of amino acids in phenylketonuria.
Topics: Amino Acids; Animals; Arginine; Blood-Brain Barrier; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Female; Histidine; Humans; Intellectual Disability; Isoleucine; Leucine; Lysine; Male; Methionine; Ornithine; Phenylalanine; Phenylketonurias; Rats; Threonine; Tryptophan; Tyrosine; Valine | 1973 |
Fluorescence histochemical demonstration of peptides with NH 2 - or COOH-terminal tryptophan or dopa by condensation with glyoxylic acid.
Topics: Animals; Cats; Chromatography, Thin Layer; Dihydroxyphenylalanine; Fluorescence; Gastric Mucosa; Glyoxylates; Histocytochemistry; Methods; Microchemistry; Microscopy, Fluorescence; Peptides; Pituitary Gland; Pyloric Antrum; Rabbits; Rats; Spectrometry, Fluorescence; Spectrum Analysis; Swine; Thyroid Gland; Tryptophan | 1973 |
Tryptophan malabsorption in levodopa-treated parkinsonian patients. Effect of tryptophan on mental disturbances.
Topics: Aged; Brain; Dementia; Depression, Chemical; Dihydroxyphenylalanine; Female; Humans; Hydroxyindoleacetic Acid; Intestinal Absorption; Male; Mental Disorders; Middle Aged; Parkinson Disease; Serotonin; Tryptophan | 1973 |
Chemical ionization mass spectrometry of complex molecules: biogenic amines.
Topics: Biogenic Amines; Dihydroxyphenylalanine; Histidine; Ions; Mass Spectrometry; Tryptophan; Tyrosine | 1973 |
[Serum tryptophan in cases with senile dementia, parkinsonism and normal cases].
Topics: Adult; Aged; Dementia; Dihydroxyphenylalanine; Female; Humans; Male; Middle Aged; Parkinson Disease; Time Factors; Tryptophan | 1974 |
Effects of L-dopa and L-tryptophan on the cerebral blood flow in the dog.
Topics: Animals; Blood Flow Velocity; Blood Pressure; Cerebrovascular Circulation; Depression, Chemical; Dihydroxyphenylalanine; Homovanillic Acid; Krypton; Methods; Oxygen Consumption; Stimulation, Chemical; Time Factors; Tryptophan | 1974 |
Nucleus ruber and L-dopa psychosis: biochemical post-mortem findings.
Topics: Aged; Amygdala; Autopsy; Biogenic Amines; Caudate Nucleus; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Female; Globus Pallidus; Gyrus Cinguli; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Norepinephrine; Parkinson Disease; Psychoses, Substance-Induced; Red Nucleus; Serotonin; Substantia Nigra; Tryptophan; Tyrosine | 1974 |
Tryptophan-induced suppression of conditioned avoidance behavior in rats.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Avoidance Learning; Behavior, Animal; Benserazide; Conditioning, Operant; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Electroshock; Rats; Time Factors; Tryptophan | 1974 |
The role of the adrenergic system in the action of L-DOPA on brain serotonin.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Benserazide; Brain; Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Dopamine; Hydroxydopamines; Male; Norepinephrine; Rats; Serotonin; Stimulation, Chemical; Sympathectomy; Sympathetic Nervous System; Tryptophan | 1974 |
Effects of L-dopa administration on the serotonergic system in rat brain: correlation between levels of L-dopa accumulated in the brain and depletion of serotonin and tryptophan.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Eating; Fluorometry; Hydroxyindoleacetic Acid; Rats; Serotonin; Time Factors; Tryptophan | 1974 |
Catechol- and indolamines in some endocrine cell systems. An autoradiographical, histochemical and radioimmunological study.
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Carbon Isotopes; Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Epinephrine; Female; Gastric Mucosa; Histocytochemistry; Insulin Antagonists; Islets of Langerhans; Male; Mice; Microscopy, Electron; Microscopy, Fluorescence; Monoamine Oxidase; Norepinephrine; Pancreas; Rabbits; Radioimmunoassay; Serotonin; Thyroid Gland; Tritium; Tryptophan; Tyrosine | 1971 |
A mutation influencing the transportation of manganese, L-dopa, and L-tryptophan.
Topics: Animals; Autoradiography; Bone and Bones; Brain; Brain Chemistry; Crosses, Genetic; Dihydroxyphenylalanine; Dopamine; Female; Genes; Injections, Intraperitoneal; Intubation, Gastrointestinal; Liver; Male; Manganese; Mice; Mice, Inbred Strains; Mutation; Serotonin; Tryptophan | 1972 |
Serotonin synthesis with rat brain synaptosomes. Effects of L-dopa, L-3-methoxytyrosine and catecholamines.
Topics: Animals; Brain; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Dopamine; In Vitro Techniques; Mitochondria; Nerve Endings; Norepinephrine; Rats; Serotonin; Synaptic Vesicles; Synaptosomes; Time Factors; Tritium; Tryptophan; Tyrosine | 1972 |
Biochemical investigations in Parkinsonism. A study of the metabolites of the biogenic amines in the lumbar CSF.
Topics: Caudate Nucleus; Dihydroxyphenylalanine; Humans; Hydroxyindoleacetic Acid; Microscopy, Fluorescence; Parkinson Disease; Phenylacetates; Serotonin; Tryptophan | 1972 |
Organ-specific inhibition of human alkaline phosphatase isoenzymes of liver, bone, intestine and placenta; L-phenylalanine, L-tryptophan and L homoarginine.
Topics: Alkaline Phosphatase; Amino Acids; Bile Acids and Salts; Bone and Bones; Cysteine; Dihydroxyphenylalanine; Guanidines; Histidine; Humans; Intestines; Isoenzymes; Liver; Organ Specificity; Phenylalanine; Phosphoric Acids; Placenta; Stereoisomerism; Structure-Activity Relationship; Tryptophan; Tyrosine | 1971 |
The effect of L-dopa on the concentrations of tryptophan, tyrosine and serotonin in rat brain.
Topics: Animals; Brain; Brain Chemistry; Depression, Chemical; Dihydroxyphenylalanine; Injections, Intraperitoneal; Male; Metabolism; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1971 |
Metabolism of dihydroxyphenylalanine and tryptophan in pyridoxine-deficient rats.
Topics: Animals; Brain Chemistry; Carbon Dioxide; Carbon Isotopes; Diet; Dihydroxyphenylalanine; Dopamine; Epinephrine; Humans; Liver; Male; Myocardium; Norepinephrine; Organ Size; Phenylacetates; Rats; Respiration; Spleen; Tryptophan; Vitamin B 6 Deficiency | 1969 |
Inhibition of serotonin synthesis by dopa and other catechols.
Topics: Animals; Brain; Brain Stem; Dihydroxyphenylalanine; Injections, Intraperitoneal; Male; Pyrogallol; Rats; Serotonin; Tritium; Tryptophan | 1971 |
[Studies on 5-hydroxytryptophan decarboxylase activity in immature animals].
Topics: 5-Hydroxytryptophan; Animals; Animals, Newborn; Brain; Carboxy-Lyases; Dihydroxyphenylalanine; Guinea Pigs; Hydrocortisone; Indoleacetic Acids; Intestines; Kidney; Liver; Phenobarbital; Rats; Serotonin; Tryptophan | 1966 |
Effect of analogs of phenylalanine and tryptophan on kinetics of DOPA decarboxylase in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Hydrogen-Ion Concentration; Kinetics; Male; Methyldopa; Phenylalanine; Pyridoxal Phosphate; Rats; Tryptophan; Tyrosine | 1966 |
The effects of monoamine oxidase inhibitors on spinal synaptic activity.
Topics: 5-Hydroxytryptophan; Action Potentials; Animals; Blood Pressure; Cats; Dihydroxyphenylalanine; Electric Stimulation; In Vitro Techniques; Indoles; Laminectomy; Methysergide; Monoamine Oxidase Inhibitors; Nialamide; Norepinephrine; Pargyline; Phenoxybenzamine; Pyridines; Reflex; Reserpine; Serotonin; Spinal Cord; Spinal Nerves; Synapses; Tranylcypromine; Tryptamines; Tryptophan | 1967 |
[Autoradiographic study of the basal clear cell in the gastric gland].
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Chromium; Dihydroxyphenylalanine; Gastric Mucosa; Histocytochemistry; Injections, Intraperitoneal; Injections, Subcutaneous; Male; Methyldopa; Mice; Rats; Reserpine; Serotonin; Silver; Tryptophan; Tyrosine | 1967 |
Evidence for a central 5-hydroxytryptamine receptor stimulation by lysergic acid diethylamide.
Topics: 5-Hydroxytryptophan; Amides; Animals; Brain; Central Nervous System; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Epinephrine; Feedback; Lysergic Acid Diethylamide; Methyltyrosines; Methysergide; Mixed Function Oxygenases; Norepinephrine; Rats; Receptors, Drug; Serotonin; Spinal Cord; Stimulation, Chemical; Tryptophan | 1968 |
[The localization of biogenic amines in the autonomic nervous system (electron microscopic study in conjunction with autoradiography)].
Topics: 5-Hydroxytryptophan; Amines; Animals; Autonomic Nervous System; Autoradiography; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ganglia, Autonomic; Genitalia, Male; Histamine; Histidine; Histocytochemistry; Intestine, Small; Male; Methods; Microscopy, Electron; Neurons; Norepinephrine; Pineal Gland; Rats; Serotonin; Tritium; Tryptophan; Tyrosine | 1968 |
Studies on the uptake of radiolabeled DOPA, 5-HTP and tryptophan in rat tissues in vivo: effect of methionine, tryptophan and some keto acids.
Topics: 5-Hydroxytryptophan; Adrenalectomy; Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Keto Acids; Methionine; Rats; Tritium; Tryptophan | 1968 |
Activity of aromatic aminotransferases in rat brain.
Topics: 5-Hydroxytryptophan; Age Factors; Amino Acids; Animals; Brain; Dihydroxyphenylalanine; Fetus; Histidine; Humans; Infant, Newborn; Methods; Phenylalanine; Rats; Transaminases; Tryptophan; Tyrosine | 1968 |
The effect of 5-hydroxytryptophan on the efflux of noradrenaline from brain slices.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Diencephalon; Dihydroxyphenylalanine; Disulfiram; Fluorescence; Histidine; In Vitro Techniques; Male; Mesencephalon; Methods; Norepinephrine; Rats; Serotonin; Tryptophan | 1971 |
[Ultrastructural autoradiography of the metabolism of biogenic amines in the gastrointestinal tract and in other organs].
Topics: 5-Hydroxytryptophan; Animals; Autoradiography; Blood Platelets; Chromaffin System; Cytoplasmic Granules; Decarboxylation; Digestive System; Dihydroxyphenylalanine; Histocytochemistry; Hydroxylation; Kidney Tubules; Microscopy, Electron; Nerve Endings; Pancreas; Rats; Serotonin; Tritium; Tryptophan | 1971 |
Effects of olfactory bulb lesions on brain monoamines.
Topics: Animals; Brain Chemistry; Brain Stem; Catecholamines; Dihydroxyphenylalanine; Dopamine; Female; Light; Limbic System; Mixed Function Oxygenases; Norepinephrine; Rats; Serotonin; Telencephalon; Tritium; Tryptophan; Tyrosine | 1971 |
L-dopa: disaggregation of brain polysomes and elevation of brain tryptophan.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Phenylalanine; Rats; Ribosomes; Time Factors; Tryptophan; Tyrosine | 1971 |
Inhibition of rat brain tryptophan hydroxylase by 6-halotryptophans.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Halogens; In Vitro Techniques; Methyltyrosines; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1968 |
A comparison of the cardiovascular effects of biogenic amines and their precursors in newborn and adult dogs.
Topics: Animals; Animals, Newborn; Blood Pressure; Catecholamines; Dihydroxyphenylalanine; Dogs; Dopamine; Femoral Artery; Heart Rate; Histamine; Histidine; Norepinephrine; Serotonin; Tryptophan; Tyramine; Vagotomy | 1969 |
Further studies on tryptophan hydroxylase in rat brainstem and beef pineal.
Topics: Animals; Brain Chemistry; Brain Stem; Catechols; Cattle; Dihydroxyphenylalanine; Dopamine; Hydrogen-Ion Concentration; Iron; Iron Chelating Agents; Methyltyrosines; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Pineal Gland; Pteridines; Pyruvates; Rats; Serum Albumin; Tryptophan | 1969 |
Transamination in plants. The specificity of an aminotransferase from mung bean.
Topics: Amino Acids; Arginine; Dihydroxyphenylalanine; Glutamine; In Vitro Techniques; Leucine; Lysine; Methionine; Ornithine; Phenylalanine; Plants, Edible; Transaminases; Tryptophan; Tyrosine | 1965 |
A comparison of the effects of some monoamine oxidase (MAO) inhibitors with 5-hydroxytryptophan (5-HTP) and dihydroxyphenylalanine (DOPA) on spinal synaptic activity.
Topics: Animals; Cats; Dihydroxyphenylalanine; Electric Stimulation; Electrophysiology; Evoked Potentials; Methysergide; Monoamine Oxidase Inhibitors; Norepinephrine; Pargyline; Serotonin; Spinal Nerves; Synapses; Tranylcypromine; Tryptophan | 1966 |
Glutamine inhibits the accumulation and hydroxylation of tryptophan in rat striatal synaptosomes.
Topics: Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Female; Glutamine; Kinetics; Rats; Synaptosomes; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1983 |
Differences in properties between aromatic amino acid: aromatic keto acid aminotransferases and aromatic amino acid: alpha-ketoglutarate aminotransferases.
Topics: Animals; Dihydroxyphenylalanine; Ketoglutaric Acids; Liver; Male; Phenylpyruvic Acids; Rats; Rats, Inbred Strains; Transaminases; Tryptophan; Tryptophan Transaminase; Tyrosine; Tyrosine Transaminase | 1984 |
Simultaneous determination of 3,4-dihydroxyphenylalanine, 5-hydroxytryptophan, dopamine, 4-hydroxy-3-methoxyphenylalanine, norepinephrine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, serotonin, and 5-hydroxyindoleacetic acid in rat cerebrospinal fl
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methyltyrosines; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1982 |
Monoamine metabolites in human cerebrospinal fluid. HPLC/ED method.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; Chromatography, High Pressure Liquid; Depression; Dihydroxyphenylalanine; Electrochemistry; Glycols; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Subarachnoid Hemorrhage; Tryptophan; Tyrosine | 1984 |
Abnormal tryptophan pyrrolase and amino acids related to melanogenesis in vitiligo.
Topics: Adolescent; Adult; Amino Acids; Dihydroxyphenylalanine; Humans; Melanins; Monophenol Monooxygenase; Tryptophan; Tryptophan Oxygenase; Tyrosine; Vitiligo | 1983 |
Reduced brain monoamine synthesis by systemic treatment with terbutaline, a beta 2-receptor agonist.
Topics: 5-Hydroxytryptophan; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Male; Monoamine Oxidase; Norepinephrine; Rats; Terbutaline; Tryptophan; Tyrosine | 1980 |
Effect of tryptophan on tyrosinase in relation to vitiligo.
Topics: Animals; Bufonidae; Catechol Oxidase; Dihydroxyphenylalanine; Mice; Monophenol Monooxygenase; Tryptophan; Tryptophan Oxygenase; Vitiligo | 1980 |
The effect of carbidopa and benserazide on human plasma 5-hydroxytryptophan levels.
Topics: 5-Hydroxytryptophan; Adult; Benserazide; Carbidopa; Chlorpromazine; Dihydroxyphenylalanine; Humans; Hydrazines; Middle Aged; Parkinson Disease; Schizophrenia; Tryptophan | 1982 |
Effect of diazepam on cerebral monoamine synthesis during hypoxia and hypercapnia in the rat.
Topics: 5-Hydroxytryptophan; Amino Acids; Animals; Brain; Cerebrovascular Circulation; Diazepam; Dihydroxyphenylalanine; Hypercapnia; Hypoxia; Male; Oxygen Consumption; Rats; Rats, Inbred Strains; Tryptophan; Tyrosine | 1982 |
Effects of acute lithium administration on conditioned avoidance behavior and monoamine synthesis in rats.
Topics: 5-Hydroxytryptophan; Animals; Avoidance Learning; Benzyl Alcohols; Corpus Striatum; Dihydroxyphenylalanine; Hydrazines; Limbic System; Lithium; Male; Rats; Tryptophan; Tyrosine | 1980 |
The effect of tryptophan on dopa-oxidation by melanosomal tyrosinase.
Topics: Animals; Dihydroxyphenylalanine; Melanocytes; Mice; Monophenol Monooxygenase; Oxidation-Reduction; Tryptophan | 1993 |
Tryptophan-derived cofactors functioning in oxidoreductases.
Topics: Coenzymes; Dihydroxyphenylalanine; Indolequinones; Molecular Structure; Oxidoreductases; Paracoccus denitrificans; PQQ Cofactor; Quinolones; Quinones; Tryptophan | 1996 |
Amine-oxidizing quinoproteins.
Topics: Amino Acid Sequence; Coenzymes; Copper; Diabetes Mellitus; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Enzyme Inhibitors; Heart Failure; Humans; Indolequinones; Liver Cirrhosis; Lysine; Menkes Kinky Hair Syndrome; Metalloproteins; Mixed Function Oxygenases; Models, Molecular; Molecular Sequence Data; Oxidation-Reduction; Oxidoreductases Acting on CH-NH Group Donors; PQQ Cofactor; Protein-Lysine 6-Oxidase; Quinolones; Quinones; Semicarbazides; Sequence Homology, Amino Acid; Spectrum Analysis, Raman; Stereoisomerism; Substrate Specificity; Tryptophan | 1997 |
Morulin Pm: a modified polypeptide containing TOPA and 6-bromotryptophan from the morula cells of the ascidian, Phallusia mammillata.
Topics: Amino Acids; Animals; Blood Cells; Chromatography, High Pressure Liquid; Chymotrypsin; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Gas Chromatography-Mass Spectrometry; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Structure; Molecular Weight; Peptide Fragments; Peptides; Protein Processing, Post-Translational; Sequence Analysis; Spectrophotometry; Tryptophan; Urochordata | 1997 |
Differential effect of immobilization stress on in vivo synthesis rate of monoamines in medial prefrontal cortex and nucleus accumbens of conscious rats.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Consciousness; Dihydroxyphenylalanine; Hydrazines; Hydroxylation; Kinetics; Male; Microdialysis; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Wistar; Restraint, Physical; Serotonin; Stress, Physiological; Tryptophan; Tyrosine | 1999 |
Activation and desensitization by cyclic antidepressant drugs of alpha2-autoreceptors, alpha2-heteroreceptors and 5-HT1A-autoreceptors regulating monamine synthesis in the rat brain in vivo.
Topics: 5-Hydroxytryptophan; Adrenergic Uptake Inhibitors; Animals; Antidepressive Agents, Tricyclic; Autoreceptors; Brain; Carboxy-Lyases; Cerebral Cortex; Desipramine; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Drug Interactions; Fluoxetine; Hippocampus; Male; Norepinephrine; Protriptyline; Rats; Rats, Sprague-Dawley; Serotonin; Time Factors; Tryptophan; Tyrosine; Zimeldine | 1999 |
Lack of glucocorticoids attenuates the self-stimulation-induced increase in the in vivo synthesis rate of dopamine but not serotonin in the rat nucleus accumbens.
Topics: 5-Hydroxytryptophan; Adrenalectomy; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Cortisone; Dihydroxyphenylalanine; Dopamine; Enzyme Inhibitors; Glucocorticoids; Hydrazines; Hydroxylation; Male; Microdialysis; Neurons; Nucleus Accumbens; Rats; Rats, Wistar; Self Administration; Self Stimulation; Serotonin; Tryptophan; Tyrosine | 2000 |
Intracranial self-stimulation increases differentially in vivo hydroxylation of tyrosine but similarly in vivo hydroxylation of tryptophan in rat medial prefrontal cortex, nucleus accumbens and striatum.
Topics: 5-Hydroxytryptophan; Animals; Dihydroxyphenylalanine; Dopamine; Enzyme Inhibitors; Hydrazines; Hydroxylation; Male; Microdialysis; Microelectrodes; Neostriatum; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Wistar; Reward; Self Stimulation; Serotonin; Stress, Physiological; Time Factors; Tryptophan; Tyrosine | 2000 |
Metabolism of tryptophan in the liver: interference with decarboxylation of other aromatic amino acids.
Topics: Amino Acids; Animals; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Male; Phenylalanine; Rats; Rats, Wistar; Tryptophan; Tyrosine | 2000 |
Styelin D, an extensively modified antimicrobial peptide from ascidian hemocytes.
Topics: Amino Acid Sequence; Animals; Anti-Bacterial Agents; Antimicrobial Cationic Peptides; Cell Membrane Permeability; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Escherichia coli; Gas Chromatography-Mass Spectrometry; Hemocytes; Molecular Sequence Data; Peptide Fragments; Proteins; Tryptophan; Urochordata | 2000 |
Synthesis and characteristics of the human serum albumin-triazine chiral stationary phase.
Topics: Anti-Inflammatory Agents, Non-Steroidal; Atropine; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Fenoprofen; Glutamic Acid; Humans; Ibuprofen; Naproxen; Protein Binding; Serum Albumin; Silicon Dioxide; Spectrophotometry, Ultraviolet; Stereoisomerism; Triazines; Tryptophan; Warfarin | 2000 |
Bacterial translocation can increase plasma corticosterone and brain catecholamine and indoleamine metabolism.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Bacterial Translocation; Brain; Catecholamines; Corticosterone; Dihydroxyphenylalanine; Hydroxyindoleacetic Acid; Liver; Lymph Nodes; Male; Methoxyhydroxyphenylglycol; Mice; Norepinephrine; Organ Specificity; Restraint, Physical; Salmonella typhimurium; Serotonin; Spleen; Stress, Psychological; Tryptophan | 2000 |
Comparative time-courses of copper-ion-mediated protein and lipid oxidation in low-density lipoprotein.
Topics: alpha-Tocopherol; Antioxidants; Apolipoprotein B-100; Apolipoproteins B; Copper; Dihydroxyphenylalanine; Humans; Lipid Peroxidation; Lipids; Lipoproteins, LDL; Oxidation-Reduction; Phenylalanine; Spectrometry, Fluorescence; Time Factors; Tryptophan; Tyrosine | 2002 |
Screening of human primary melanocytes of defined melanocortin-1 receptor genotype: pigmentation marker, ultrastructural and UV-survival studies.
Topics: Alleles; alpha-MSH; Antigens; Arginine; Cell Survival; Cells, Cultured; Cystine; Dihydroxyphenylalanine; DNA; Genetic Markers; Genotype; Heterozygote; Homozygote; Humans; Male; Melanins; Melanocytes; Melanoma; Melanosomes; Microscopy, Electron; Microscopy, Fluorescence; Monophenol Monooxygenase; Phenotype; Pigmentation; Tryptophan; Ultraviolet Rays | 2003 |
3,4-Dihydroxyphenylalanine and 5-hydroxytryptophan as reserpine antagonists.
Topics: 5-Hydroxytryptophan; Dihydroxyphenylalanine; Nervous System; Reserpine; Tryptophan | 1957 |
Are dihydroxphenylalanine decarboxylase and 5-hydroxytrptophan decarboxylase individual enzymes?
Topics: Carboxy-Lyases; Dihydroxyphenylalanine; Lyases; Tryptophan | 1960 |
Metabolic studies in carcinoid syndrome: observations on use of alpha-methyl DOPA, isonicotinic acid hydrazide and selective tryptophan deficiency.
Topics: Dihydroxyphenylalanine; Humans; Isoniazid; Malignant Carcinoid Syndrome; Methyldopa; Serotonin; Tryptophan | 1961 |
[Trial of alpha-methyl-dopa in a case of carcinoidosis].
Topics: Carcinoid Tumor; Dihydroxyphenylalanine; Humans; Methyldopa; Serotonin; Tryptophan | 1962 |
Interference of chlorpromazine with the metabolism of aromatic amino-acids in rat brain.
Topics: Amino Acids, Aromatic; Animals; Brain; Chlorpromazine; Dihydroxyphenylalanine; Rats; Tryptophan | 1962 |
Effect of dietary phenylalanine and tryptophan upon rat brain amine levels.
Topics: Amines; Animals; Brain; Brain Chemistry; Diet; Dihydroxyphenylalanine; Monoamine Oxidase Inhibitors; Norepinephrine; Nutrition Assessment; Phenylalanine; Rats; Serotonin; Tryptophan | 1962 |
Antagonism of locomotor suppressant effects of reserpine in mice.
Topics: Animals; Dihydroxyphenylalanine; Iproniazid; Locomotion; Mice; Reserpine; Tryptophan | 1962 |
Phenylisopropylamine derivatives, structure and action.
Topics: Amphetamine; Chlorpromazine; Dibucaine; Diethylpropion; Dihydroxyphenylalanine; Dopamine; Ephedrine; Epinephrine; Hydrazines; Imipramine; Iproniazid; Mephentermine; Methamphetamine; Methylphenidate; Movement; Nialamide; Phenelzine; Phenethylamines; Phenmetrazine; Phenylhydrazines; Piperidines; Reserpine; Tranylcypromine; Tryptophan; Tyramine | 1962 |
The sedative and lethal actions of reserpine in mice, as modified by 5-hydroxytryptophan, 3,4-dihydroxyphenylalanine, methylphenidate, and nikethamide in cold and warm environments.
Topics: 5-Hydroxytryptophan; Animals; Cold Temperature; Dihydroxyphenylalanine; Hypnotics and Sedatives; Methylphenidate; Mice; Nikethamide; Reserpine; Serotonin; Temperature; Tryptophan | 1962 |
The uptake of amino acids and the synthesis of amines by neoplastic mast cells in culture.
Topics: Amines; Amino Acids; Dihydroxyphenylalanine; Histamine; Histidine; Mast Cells; Neoplasms; Neoplasms, Experimental; Serotonin; Tryptophan | 1962 |
[SOME PHARMACOLOGICAL EXPERIMENTS ON ANTIDEPRESSANTS--IN REFERENCE TO CEREBRAL MONOAMINES].
Topics: 5-Hydroxytryptophan; Antidepressive Agents; Bemegride; Dihydroxyphenylalanine; Eyelids; Fever; Imipramine; Iproniazid; Lysergic Acid Diethylamide; Methamphetamine; Rabbits; Research; Reserpine; Seizures; Tryptophan | 1963 |
CHARACTERISTICS OF THE INHIBITION OF AROMATIC L-AMINO ACID DECARBOXYLASE BY ALPHA-METHYLAMINO ACIDS.
Topics: Animals; Aromatic-L-Amino-Acid Decarboxylases; Carboxy-Lyases; Dihydroxyphenylalanine; Enzyme Inhibitors; Guinea Pigs; Kidney; Pharmacology; Pyridoxal Phosphate; Research; Serotonin; Tryptophan | 1963 |
STUDIES ON MORPHINE. III. ACTION OF METABOLIC PRECURSORS TO SEROTONIN AND NORADRENALINE AND RELATED SUBSTANCES ON THE "ABSTINENCE SYNDROME" TO MORPHINE ON WHITE MICE.
Topics: Brain; Catecholamines; Dihydroxyphenylalanine; Ergot Alkaloids; Iproniazid; Kynurenine; Lysergic Acid Diethylamide; Methyldopa; Mice; Morphine; Nalorphine; Norepinephrine; ortho-Aminobenzoates; Pharmacology; Phenylalanine; Research; Serotonin; Shikimic Acid; Toxicology; Tryptophan; Tyrosine | 1963 |
TRANSAMINATION OF AROMATIC AMINO ACIDS IN RAT BRAIN.
Topics: 5-Hydroxytryptophan; Amino Acids, Aromatic; Brain; Chromatography; Dihydroxyphenylalanine; Keto Acids; Ketoglutaric Acids; Phenylalanine; Phenylpyruvic Acids; Rats; Research; Tissue Extracts; Transaminases; Tryptophan; Tyrosine | 1964 |
[DRUGS AND ELECTROSHOCK].
Topics: Amphetamine; Amphetamines; Animals; Atropine; Blood Pressure; Convulsive Therapy; Dihydroxyphenylalanine; Electroconvulsive Therapy; Electroshock; Guanethidine; Imipramine; Iproniazid; Norepinephrine; Rabbits; Research; Reserpine; Respiration; Serotonin; Succinylcholine; Tryptophan; Tyrosine | 1964 |
EFFECT OF PRETREATMENT WITH TRYPTAMINE, TRYPTOPHAN AND DOPA ON LSD REACTION IN TROPICAL FISH.
Topics: Dihydroxyphenylalanine; Fishes; Indoles; Lysergic Acid Diethylamide; Movement; Pharmacology; Psychotropic Drugs; Research; Tryptamines; Tryptophan | 1964 |
[EXPERIMENTAL ANTAGONISM OF CHLORPROMAZINE AND THIORIDAZINE IN RELATION TO CERTAIN EFFECTS OF LYSERGIDE].
Topics: 5-Hydroxytryptophan; Catalepsy; Chlorpromazine; Dihydroxyphenylalanine; Humans; Hypothermia; Lysergic Acid Diethylamide; Metabolism; Pharmacology; Rabbits; Research; Reserpine; Thioridazine; Tryptophan | 1964 |
STUDIES ON THE SPECIFICITY OF TYROSINE-ALPHA-KETOGLUTARATE TRANSAMINASE.
Topics: 5-Hydroxytryptophan; Alanine; Amphetamine; Benzoates; Butyrates; Catecholamines; Dihydroxyphenylalanine; Enzyme Inhibitors; Ephedrine; Indoleacetic Acids; Ketoglutaric Acids; Lactates; Liver; Mandelic Acids; Methyldopa; Normetanephrine; Pharmacology; Phenylacetates; Phenylalanine; Propionates; Rats; Research; Transaminases; Tryptophan; Tyramine; Tyrosine; Tyrosine Transaminase | 1964 |
THE EFFECT OF L-3, 4-DIHYDROXYPHENYLALANINE AND DL-5-HYDROXYTRYPTOPHAN ON RIGIDITY AND TREMOR INDUCED BY RESERPINE, CHLORPROMAZINE AND PHENOXYBENZAMINE.
Topics: 5-Hydroxytryptophan; Amino Acids; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Inulin; Movement Disorders; Muscle Relaxants, Central; Pharmacology; Phenoxybenzamine; Rats; Research; Reserpine; Serotonin; Tremor; Tryptophan | 1964 |
[5-HYDROXYTRYPTOPHAN DOPA DECARBOXYLASE IN NERVOUS AND CARDIAC TISSUES IN THE MOLLUSC HELIX POMATIA. INTERACTION OF SUBSTRATES IN VITRO].
Topics: 5-Hydroxytryptophan; Aromatic-L-Amino-Acid Decarboxylases; Dihydroxyphenylalanine; Dopa Decarboxylase; Heart; In Vitro Techniques; Methyldopa; Mollusca; Myocardium; Nerve Tissue; Physiology, Comparative; Research; Serotonin; Tryptophan; Tyrosine | 1964 |
TYROSINE HYDROXYLASE. THE INITIAL STEP IN NOREPINEPHRINE BIOSYNTHESIS.
Topics: Adrenal Glands; Adrenal Medulla; Brain; Dihydroxyphenylalanine; Dopamine; Folic Acid; Histocytochemistry; Liver; Metabolism; Mixed Function Oxygenases; Myocardium; Norepinephrine; Research; Spleen; Tryptophan; Tyrosine; Tyrosine 3-Monooxygenase; Tyrosine Decarboxylase | 1964 |
ON THE INFLUENCE OF THE ADMINISTRATION OF AMINO ACIDS UPON THE DISTRIBUTION OF PORPHYRIN BODIES IN TISSUES. X. THE INFLUENCE OF THE ADMINISTRATION OF AROMATIC AMINO ACIDS.
Topics: Amino Acids; Amino Acids, Aromatic; Animals; Dihydroxyphenylalanine; Guinea Pigs; Histocytochemistry; Pharmacology; Phenylalanine; Porphyrins; Research; Tryptophan; Tyrosine | 1964 |
INTESTINAL TRANSPORT OF AMINO ACIDS AND GLUCOSE IN FLOUNDER FISH.
Topics: Amino Acids; Animals; Biological Transport; Carbon Isotopes; Dihydroxyphenylalanine; Fishes; Flounder; Glucose; Indoles; Intestinal Absorption; Intestines; Physiology, Comparative; Radiometry; Research; Tryptamines; Tryptophan; Tyrosine | 1965 |
An antagonism between 3-4 dioxyphenylalanine (DOPA) and 5-hydroxytryptophan (5-HTP).
Topics: 5-Hydroxytryptophan; Dihydroxyphenylalanine; Tryptophan | 1959 |
Interference of some tryptophan metabolites in the formation of melanin in vitro.
Topics: 3-Hydroxyanthranilic Acid; Agaricales; Catalysis; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; In Vitro Techniques; Kynurenine; Magnetic Resonance Spectroscopy; Melanins; Models, Chemical; Monophenol Monooxygenase; Oxygen; Pigmentation; Spectrophotometry; Time Factors; Tryptophan; Tyrosine; Ultraviolet Rays | 2004 |
Serotonergic and dopaminergic influence of the duration of embryogenesis and intracapsular locomotion of Lymnaea stagnalis L.
Topics: Amphetamines; Animals; Apomorphine; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Dopamine Agonists; Embryo, Nonmammalian; Embryonic Development; Fenclonine; Hydrazines; Locomotion; Lymnaea; Lysergic Acid Diethylamide; Methysergide; N,N-Dimethyltryptamine; Serotonin; Serotonin Receptor Agonists; Tryptamines; Tryptophan; Tyramine; Tyrosine | 2004 |
UVA-induced modification of catalase charge properties in the epidermis is correlated with the skin phototype.
Topics: Antioxidants; Catalase; Cells, Cultured; Cysteinyldopa; Dihydroxyphenylalanine; Epidermis; Humans; Melanins; Melanocytes; Methionine; Oxidation-Reduction; Photosensitizing Agents; Singlet Oxygen; Skin; Superoxide Dismutase; Tryptophan; Ultraviolet Rays | 2006 |
Chronic melatonin treatment and its precursor L-tryptophan improve the monoaminergic neurotransmission and related behavior in the aged rat brain.
Topics: Aging; Animals; Antioxidants; Behavior, Animal; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hippocampus; Male; Melatonin; Norepinephrine; Rats; Rats, Sprague-Dawley; Serotonin; Synaptic Transmission; Tryptophan | 2010 |
Effect of chronic protein ingestion on tyrosine and tryptophan levels and catecholamine and serotonin synthesis in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Caseins; Catecholamines; Cerebral Cortex; Diet, Protein-Restricted; Dietary Proteins; Dihydroxyphenylalanine; Enzyme Inhibitors; Hydrazines; Hypothalamus; Male; Protein Deficiency; Rats; Rats, Sprague-Dawley; Serotonin; Tryptophan; Tyrosine | 2011 |
5-(2-18F-fluoroethoxy)-L-tryptophan as a substrate of system L transport for tumor imaging by PET.
Topics: Amino Acid Transport System L; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Aromatic-L-Amino-Acid Decarboxylases; Cell Line, Tumor; Cells, Cultured; Dihydroxyphenylalanine; Enzyme Inhibitors; Female; Image Processing, Computer-Assisted; Isotope Labeling; Mice; Mice, Inbred BALB C; Neoplasm Transplantation; Neoplasms; Positron-Emission Tomography; Radiopharmaceuticals; Serum Albumin; Tissue Distribution; Tryptophan | 2012 |
Central action of adrenergic-blocking drugs.
Topics: Adrenergic Agents; Amphetamine; Amphetamines; Atropine; Chlorpromazine; Dihydroxyphenylalanine; Electroencephalography; Epinephrine; Hippocampus; Limbic System; Monoamine Oxidase Inhibitors; Muscle Relaxants, Central; Physostigmine; Reserpine; Serotonin; Strychnine; Tryptophan | 1961 |
Directed Metabolic Pathway Evolution Enables Functional Pterin-Dependent Aromatic-Amino-Acid Hydroxylation in
Topics: 5-Hydroxytryptophan; Amino Acids, Aromatic; Biopterins; Dihydroxyphenylalanine; Directed Molecular Evolution; Escherichia coli; GTP Cyclohydrolase; Hydroxylation; Metabolic Networks and Pathways; Mutation; Phenylalanine Hydroxylase; Pterins; Tryptophan | 2020 |
Bipolar electrochemical rotors for the direct transduction of molecular chiral information.
Topics: Biosensing Techniques; Dihydroxyphenylalanine; Protons; Stereoisomerism; Tryptophan | 2022 |