phenylalanine has been researched along with dihydroxyphenylalanine in 182 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 149 (81.87) | 18.7374 |
| 1990's | 18 (9.89) | 18.2507 |
| 2000's | 8 (4.40) | 29.6817 |
| 2010's | 7 (3.85) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Bellman, K; Knegtel, RM; Settimo, L | 1 |
| De Potter, WP; De Schaepdryver, AF; Fraeyman, NH | 1 |
| Carlsson, A; Lindqvist, M | 1 |
| Graham, DG; Tiffany, SM; Vogel, FS | 1 |
| Levy, HL | 1 |
| Bagchi, SP; Smith, TM | 3 |
| McKean, CM; Schafer, EW | 1 |
| Okuda, A; Yamamoto, O | 1 |
| Brown, KD; Zurawski, G | 1 |
| Cheng, LK; Fung, HL; Levitt, M | 1 |
| Arce, CA; Barra, HS; Caputto, R; Hallak, ME; Rodriguez, JA | 1 |
| Borison, RL; Mosnaim, AD; Sabelli, HC | 1 |
| Arce, CA; Barra, HS; Caputo, R; Rodriguez, JA | 1 |
| Dunaev, VG; Rudnev, IuN; Seĭfulla, RD; Sergeev, PV | 1 |
| Breitholle, EG; Hines, JW; Sato, M; Stammer, CH | 1 |
| Koppenol, WH; Maskos, Z; Rush, JD | 1 |
| Loriga, M; Paglietti, G; Pinna, G; Sisini, A; Sparatore, F | 1 |
| Aigner, TG; Cohen, RM; Doudet, DJ; McLellan, CA; Wyatt, RJ | 1 |
| Kaufman, S; Pigeon, D; Ribeiro, P | 1 |
| Fernstrom, JD; Fernstrom, MH; Massoudi, MS | 1 |
| De Vries, JB; Westerink, BH | 1 |
| Adams, HR; Aigner, TG; Cohen, RM; Doudet, DJ; Finn, RT; McLellan, CA; Miyake, H; Wyatt, R | 1 |
| Flatmark, T; Fukami, MH; Haavik, J | 1 |
| Evans, PD; Macfarlane, RG; Midgley, JM; Watson, DG | 1 |
| Spector, AA; Strom, DK; Yorek, MA | 1 |
| Fujimoto, S; Ishimitsu, S; Ohara, A | 1 |
| Rorsman, H; Rosengren, AM; Rosengren, E | 1 |
| Gerstenbrand, F; Gründig, E; Schedl, R; Simanyi, M; Weiss, H | 1 |
| Gordee, RS; Lowry, L | 1 |
| Kido, R; Minatogawa, Y; Noguchi, T | 1 |
| Agarwal, MK | 2 |
| Benoiton, NL; D'lorio, A; Sharma, S; Tong, JH | 1 |
| Molinoff, PB | 1 |
| Birkmayer, W | 1 |
| Kanig, K; Oesterle, W | 1 |
| Benoiton, NI; D'Iorio, A; Petitclerc, C; Tong, JH | 1 |
| Dominguez, M; Longo, VG | 1 |
| Bapna, JS; Dandiya, PC | 1 |
| Gibson, K; Harris, P | 1 |
| Carlini, EA; Palermo Neto, J | 1 |
| Knowles, WS; Sabacky, MJ; Vineyard, BD | 1 |
| Fernstrom, JD; Larin, F; Mostafapour, S; Wurtman, RJ | 1 |
| Ahlenius, S; Södersten, P | 1 |
| Birkmayer, W; Mentasti, M | 1 |
| Haefely, W; Haeusler, G; Huerlimann, A; Thoenen, H | 1 |
| Hayaishi, O; Nozaki, M | 1 |
| Helpap, B | 1 |
| Odajima, T | 1 |
| Boyd, AE; Feldman, JM; Lebovitz, HE | 1 |
| Boullin, DJ; Green, AR | 1 |
| Putkonen, PT | 1 |
| Zenker, N | 1 |
| Litwack, G; Miller, JE | 1 |
| Benoiton, NL; D'Iorio, A; Tong, JH | 2 |
| Bagchi, SP; Zarycki, EP | 1 |
| Axelrod, J; Brandau, K | 1 |
| Puzyńska, L | 1 |
| Wyatt, RJ | 1 |
| Hollunger, G; Persson, SA | 1 |
| Blois, MS | 1 |
| Lifshitz, F; Wapnir, RA | 1 |
| Granerus, AK; Jagenburg, R; Rödjer, S; Svanborg, A | 2 |
| Prakh'e, IB | 1 |
| Fischer, JE | 1 |
| Baerlocher, K; Curtius, HC; Völlmin, JA | 1 |
| Helpap, B; Hempel, K | 1 |
| Oldendorf, WH | 2 |
| Mearrick, PT; Morris, JL; Wade, DN | 1 |
| Becker, RA; Hartmann, JF | 1 |
| Dinsmore, SR; Mrochek, JE; Ohrt, DW | 1 |
| Model, PG; Moran, D; Palmer, JD | 1 |
| Gonoboblev, LN; Govyrin, VA; Naumov, VA; Zhorov, BS | 1 |
| Kaluza, J; Szydlowska, H | 1 |
| Aronson, RB; Cotzias, GC; Gellene, R; Papavasiliou, PS | 1 |
| Simpson, AJ | 1 |
| Matsushita, K | 1 |
| Bear, ES; Green, EW; James, TN; Lang, KF; Winkler, HH | 1 |
| Fickenscher, U; Zähner, H | 1 |
| Cotzias, GC; Düby, S; Ginos, J; Papavasiliou, PS; Steck, A | 1 |
| Heilmann, HH; Machill, G | 1 |
| Chan-Henry, E; Jakubovic, A; Woolf, LI | 1 |
| Ber, A; Singer, R | 1 |
| Chen, TS; Huang, KC | 1 |
| Brannon, DR; Day, WA; Mabe, JA; Molloy, BB | 1 |
| Fellman, JH; Joyce, JR; Strandholm, JJ | 1 |
| Fishman, WH; Sie, HG | 1 |
| De Ropp, RS; Furst, A | 1 |
| Brown, RM; Lal, H | 1 |
| Oja, SS | 1 |
| Kerkut, GA; Ralph, KL; Walker, RJ; Woodruff, GN | 1 |
| Cotzias, GC; Schiffer, LM; Van Woert, MH | 1 |
| Onoso, AO; Santolaya, RC | 1 |
| Chruściel, TL; Herman, ZS | 1 |
| Bower, RH; Lambooy, JP | 1 |
| Tubaro, E | 1 |
| Lycke, E; Modigh, K; Roos, BE | 1 |
| Eidelberg, E; Schwartz, AS | 1 |
| Jagenburg, R | 1 |
| Ellis, BE; Towers, GH | 1 |
| Coulson, WF; Jepson, JB; Powers, MJ | 1 |
| Becker, JW; Simpson, PG; Thathachari, YT | 1 |
| Karpel, RL; Kowalak, A; Kustin, K; Pasternack, RF | 1 |
| Atkinson, PW; Brown, WV; Gilby, AR | 1 |
| Munro, HN; Weiss, BF; Wurtman, RJ | 1 |
| Gey, KF | 1 |
| Daly, J; Guroff, G; Levitt, M; Udenfriend, S | 2 |
| McGeer, EG; McGeer, PL; Peters, DA | 1 |
| Beaven, MA; Brodie, BB; Reid, WD; Smookler, H; Volicer, L | 1 |
| Asakuma, K; Fujimoto, S; Hayashi, T; Tomoda, T | 1 |
| Hermetet, JC; Lodin, Z; Mandel, P | 1 |
| Fischer, E; Heller, B; Saavedra, JM | 1 |
| Schoenfeld, RI; Seiden, LS | 1 |
| Jequier, E; Lovenberg, W; Robinson, DS; Sjoerdsma, A | 1 |
| Montalvo, R; Wheeler, OH | 1 |
| Gamborg, OL | 1 |
| Dewey, VC; Janakidevi, K; Kidder, GW | 1 |
| Wood, JG | 1 |
| Ikeda, M; Levitt, M; Udenfriend, S | 2 |
| Fischer, E; Ludmer, RI; Sabelli, HC | 1 |
| Nagatsu, T; Takeuchi, K | 1 |
| Beck, B; Brandt, NJ; Christensen, E; Niederwieser, A; Pedersen, PS | 1 |
| Shen, RS | 1 |
| Iwao, J; Kato, E; Kawashima, Y; Matsumoto, J; Oya, M | 1 |
| Calne, DB; Chan, GL; Hammerstad, JP; Hewitt, KA; Pate, BD; Ruth, TJ | 1 |
| Goto, M; Ikeda, T; Kano, K; Mori, T; Uno, B | 1 |
| Fitzpatrick, PF; Hillas, PJ | 1 |
| Gahm, KH; Stalcup, AM | 1 |
| Arnold, LA; Bebin, EM; Fryburg, JS; Gunasekera, RS; Hyland, K; Jacobson, RD; Rost-Ruffner, E; Trugman, JM; Wilson, WG | 1 |
| Gräslund, A; Liu, A; Pötsch, S; Sahlin, M; Sjöberg, BM | 1 |
| DePietro, FR; Fernstrom, JD | 2 |
| Schallreuter, KU | 1 |
| Drsata, J; Marklová, E | 1 |
| Baoutina, A; Davies, MJ; Dean, RT; Knott, HM | 1 |
| UDENFRIEND, S; WYNGAARDEN, JB | 1 |
| COLLINI, FJ | 1 |
| FLETCHER, GL; OKADA, S | 1 |
| DACOSTA, FM; GOLDBERG, LI; OZAKI, M | 1 |
| BOUCHILLOUX, S; KODJA, A | 1 |
| ELLISON, T; ERICKSON, RW; GREEN, H; GREENBERG, SM; SAWYER, JL | 1 |
| FRIEND, DG; GREENBLATT, M; KLERMAN, GL; SCHILDKRAUT, JJ | 1 |
| IMAIZUMI, R; KANIIKE, K; NAMBA, J; YOSHIDA, H | 1 |
| GJESSING, LR | 1 |
| KANIIKE, K; YOSHIDA, H | 1 |
| CONTRERAS, E; CROXATTO, R; HUIDOBRO, F | 1 |
| FONNUM, F; HAAVALDSEN, R; TANGEN, O | 1 |
| JACOBY, GA; LADU, BN | 1 |
| KAUFMAN, S | 1 |
| FERRINI, R; GLAESSER, A | 1 |
| KAKIMOTO, Y; NAKAJIMA, T; SANO, I; TAKESADA, M | 1 |
| KING, NK; LOONEY, FD; WINFIELD, ME | 1 |
| AWAPARA, J; HANLY, C; PECK, E; PERRY, TL | 1 |
| IKEDA, T | 1 |
| BENDITT, EP; ERIKSEN, N; MARTIN, GM | 1 |
| LOEFFLER, W | 1 |
| LEA, AJ | 1 |
| FOSTER, M | 1 |
| GONNARD, P; POLONOVSKI, M | 1 |
| Hakoshima, T; Hatakeyama, K; Maita, N; Okada, K | 1 |
| Bezarashvili, GS; Kutkhashvili, MG; Rukhadze, MD; Sigua, KI | 1 |
| Biró, Z; Ludány, A; Molnár, GA; Nemes, V; Wagner, Z; Wittmann, I | 1 |
| Fernstrom, JD; Fernstrom, MH | 1 |
| CLEGG, RE; SEALOCK, RR | 1 |
| Borst, C; Holzgrabe, U | 1 |
| MASON, HS | 1 |
| Fujioka, H; Kudo, S; Shintaku, H; Yamano, T | 1 |
| SEALOCK, RR | 1 |
| Gübitz, G; Pittler, E; Puchalska, P; Schmid, MG; Trojanowicz, M | 1 |
| Liu, YM; McCullum, C; Sanders, T; Tchounwou, PB; Wu, H; Yuan, B; Zheng, Y | 1 |
| Cho, D; Estrellas, K; Furtado, S; Geman, N; Hopson, R; Laulicht, B; Mancini, A; Mathiowitz, E; Tripathi, A | 1 |
| Hamacher, A; Janiak, C; Kassack, MU; Kunz, P; Meyer, H; Schmidt, AM; Winkler, F | 1 |
| Gao, N; Qu, X; Ren, J; Sun, Y; Zhao, C | 1 |
| Baro, A; Bilitewski, U; Laschat, S; Neidhardt, MM; Schmitt, K; Schneider, C | 1 |
8 review(s) available for phenylalanine and dihydroxyphenylalanine
| Article | Year |
|---|---|
The regulation of the noradrenergic neuron.
Topics: Binding, Competitive; Catecholamines; Cell Membrane; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Enzyme Inhibitors; Exocytosis; Humans; Neurons; Norepinephrine; Phenylalanine; Sympathetic Nervous System; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
[Biochemical treatment possibilities in psychoses].
Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine | 1969 |
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 |
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 |
Adrenergic mechanisms in the sinus node.
Topics: Animals; Chemoreceptor Cells; Dihydroxyphenylalanine; Dogs; Dopamine; Epinephrine; Humans; Isoproterenol; Norepinephrine; Phenylalanine; Pulse; Sinoatrial Node; Sympathetic Nervous System; Sympatholytics; Sympathomimetics; Tyrosine; Vasoconstrictor Agents | 1970 |
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 |
A review of recent advances on the regulation of pigmentation in the human epidermis.
Topics: Albinism, Oculocutaneous; alpha-MSH; Biopterins; Dihydroxyphenylalanine; Enzyme Activation; Epidermis; Humans; Hydrogen Peroxide; Hydrogen-Ion Concentration; Intramolecular Oxidoreductases; Keratinocytes; Melanocytes; Melanosomes; Membrane Glycoproteins; Membrane Proteins; Monophenol Monooxygenase; Oxidative Stress; Oxidoreductases; Phenylalanine; Phenylalanine Hydroxylase; Pro-Opiomelanocortin; Proteins; Racial Groups; Recombinant Fusion Proteins; Skin Pigmentation; Transfection; Tyrosine; Tyrosine 3-Monooxygenase; Vitiligo | 1999 |
Tyrosine, phenylalanine, and catecholamine synthesis and function in the brain.
Topics: Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Hydroxylation; Kinetics; Phenylalanine; Rats; Retina; Tyrosine | 2007 |
4 trial(s) available for phenylalanine and dihydroxyphenylalanine
| Article | Year |
|---|---|
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 |
Parkinsonism and DOPA.
Topics: 5-Hydroxytryptophan; Clinical Trials as Topic; Dihydroxyphenylalanine; Dopamine; Humans; Male; Manganese Poisoning; Mining; Occupational Diseases; Parkinson Disease; Phenylacetates; Phenylalanine; Placebos | 1968 |
[Fundamental study on the treatment of retinitis pigmentosa].
Topics: Adolescent; Adult; Aged; Amino Acids; Animals; Antidotes; Anura; Clinical Trials as Topic; Dihydroxyphenylalanine; Electroretinography; Female; Hormones; Humans; In Vitro Techniques; Light; Lipids; Male; Melanocyte-Stimulating Hormones; Middle Aged; Peroxides; Phenylalanine; Rats; Regeneration; Reserpine; Retinal Degeneration; Retinal Pigments; Retinitis Pigmentosa; Tetrabenazine; Tyrosine; Vasodilator Agents; Vitamins | 1969 |
Aromatic amino acids and modification of parkinsonism.
Topics: Adult; Aged; Agranulocytosis; Bone Marrow Examination; Clinical Trials as Topic; Dihydroxyphenylalanine; Female; Humans; Male; Manganese; Melanocyte-Stimulating Hormones; Middle Aged; Parkinson Disease; Phenylalanine; Placebos | 1967 |
170 other study(ies) available for phenylalanine 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 |
Biosynthesis of noradrenaline in C1300 mouse neuroblastoma [proceedings].
Topics: Animals; Dihydroxyphenylalanine; Mice; Neoplasms, Experimental; Neuroblastoma; Norepinephrine; Phenylalanine; Tyrosine | 1978 |
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 |
The toxicity of melanin precursors.
Topics: Animals; Cattle; Dihydroxyphenylalanine; In Vitro Techniques; Melanins; Monophenol Monooxygenase; Nucleic Acid Synthesis Inhibitors; Phenylalanine; Quinones; Sulfhydryl Reagents; Tyrosine | 1978 |
Treatment of phenylketonuria.
Topics: Adult; Child; Child Behavior Disorders; Dihydroxyphenylalanine; Female; Humans; Infant, Newborn; Male; Phenylalanine; Phenylketonurias; Pregnancy; Pregnancy Complications; Time Factors; Tryptophan | 1979 |
Dopa and dopamine formation from phenylalanine in human brain.
Topics: Aged; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Female; Humans; In Vitro Techniques; Male; Middle Aged; Phenylalanine; Polyethylene Glycols; Rats; Tyrosine | 1977 |
Dopamine formation from phenylalanine: independent existence in caudate nucleus synaptosomes.
Topics: Animals; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Female; In Vitro Techniques; Phenylalanine; Rats; Synaptosomes; Tyrosine | 1977 |
Evidence that monoamines influence human evoked potentials.
Topics: 5-Hydroxytryptophan; Adolescent; Biogenic Amines; Dihydroxyphenylalanine; Evoked Potentials; Female; Humans; Male; Phenylalanine; Phenylketonurias; Reaction Time; Tyrosine; Visual Cortex; Visual Perception | 1975 |
Radiation-induced binding of OH-substituted aromatic amino acids, tyrosine and dopa, mutually and with albumin in aqueous solution.
Topics: Carbon Radioisotopes; Chromatography, Paper; Cobalt Radioisotopes; Dihydroxyphenylalanine; Dose-Response Relationship, Radiation; Gamma Rays; Phenylalanine; Protein Binding; Radiation Effects; Serum Albumin, Bovine; Solutions; Tyrosine; Water | 1975 |
Chorismate mutase of Chlamydomonas reinhardi. Partial purification and some properties.
Topics: Chlamydomonas; Chorismate Mutase; Chromatography, DEAE-Cellulose; Chromatography, Gel; Dihydroxyphenylalanine; Isomerases; Kinetics; Molecular Weight; Phenylalanine; Species Specificity; Tryptophan; Tyrosine | 1975 |
Fluorescence reactions of fluorescamine with levodopa and its derivatives: fluorescence assay of 3-methoxy-4-hydroxyphenylalanine in levodopa dosage forms.
Topics: Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dopamine; Fluorescamine; Fluorescence; Levodopa; Oxidation-Reduction; Phenylalanine; Spectrophotometry, Ultraviolet; Spiro Compounds | 1975 |
The reciprocal exclusion by L-dopa (L-3,4-dihydroxyphenylalanine) and L-tyrosine of their incorporation as single units into a soluble rat brain protein.
Topics: Adenosine Triphosphate; Animals; Brain; Dihydroxyphenylalanine; Kinetics; Magnesium; Nerve Tissue Proteins; Osmolar Concentration; Phenylalanine; Potassium Chloride; Rats; Tyrosine | 1975 |
Brain 2-phenylethylamine as a major mediator for the central actions of amphetamine and methylphenidate.
Topics: Amphetamines; Animals; Brain; Carboxy-Lyases; Dextroamphetamine; Dihydroxyphenylalanine; Male; Methylphenidate; Phenethylamines; Phenylalanine; Rabbits; Time Factors | 1975 |
Incorporation of L-tyrosine, L-phenylalanine and L-3,4-dihydroxyphenylalanine as single units into rat brain tubulin.
Topics: Animals; Brain; Colchicine; Dihydroxyphenylalanine; Glycoproteins; Phenylalanine; Rats; Receptors, Drug; Tubulin; Tyrosine | 1975 |
[Effect of adrenaline, noradrenaline, dopamine, DOPA and phenylalanine on lipid peroxidation in liver mitochondria membranes].
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Lipid Metabolism; Membranes; Mitochondria, Liver; Norepinephrine; Peroxides; Phenylalanine; Rats | 1975 |
Formation of styrylglycine and derivatives from cyclopropylogs of phenylalanine and dihydroxyphenylalanine. Authentic styrylgycine.
Topics: Cyclopropanes; Dihydroxyphenylalanine; Glycine; Phenylalanine; Styrenes | 1976 |
Decarboxylation of newly formed DOPA by caudate nucleus synaptosomal particles.
Topics: Animals; Caudate Nucleus; Decarboxylation; Dihydroxyphenylalanine; Dopamine; Female; Phenylalanine; Rats; Synaptosomes; Tyrosine | 1976 |
The hydroxylation of phenylalanine and tyrosine: a comparison with salicylate and tryptophan.
Topics: Chelating Agents; Dihydroxyphenylalanine; Gamma Rays; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxides; Hydroxyl Radical; Hydroxylation; Iron; Kinetics; Macromolecular Substances; Oxidation-Reduction; Phenylalanine; Pulse Radiolysis; Salicylates; Salicylic Acid; Tryptophan; Tyrosine | 1992 |
Synthesis of substituted DL-3(5-benzazolyl)alanines as dopa and alpha-methyldopa analogs and their effects on dopamine beta-hydroxylase, tyrosinase and diphenoloxidase.
Topics: Adrenal Glands; Animals; Basidiomycota; Benzimidazoles; Catechol Oxidase; Cattle; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Fabaceae; In Vitro Techniques; Methyldopa; Monophenol Monooxygenase; Phenylalanine; Plants, Medicinal | 1992 |
Delayed L-phenylalanine infusion allows for simultaneous kinetic analysis and improved evaluation of specific-to-nonspecific fluorine-18-dopa uptake in brain.
Topics: Animals; Brain; Carbidopa; Cerebral Cortex; Corpus Striatum; Dihydroxyphenylalanine; Macaca mulatta; MPTP Poisoning; Phenylalanine; Time Factors; Tomography, Emission-Computed | 1992 |
The hydroxylation of phenylalanine and tyrosine by tyrosine hydroxylase from cultured pheochromocytoma cells.
Topics: Animals; Biopterins; Catalysis; Dihydroxyphenylalanine; Electrophoresis, Polyacrylamide Gel; Hydrogen Peroxide; Hydroxylation; Kinetics; Phenylalanine; Pheochromocytoma; Rats; Tumor Cells, Cultured; Tyrosine; Tyrosine 3-Monooxygenase | 1991 |
In vivo tyrosine hydroxylation in rat retina: effect of aspartame ingestion in rats pretreated with p-chlorophenylalanine.
Topics: Animals; Aspartame; Dihydroxyphenylalanine; Fenclonine; Hydroxylation; Liver; Male; Phenylalanine; Phenylalanine Hydroxylase; Rats; Rats, Inbred Strains; Retina; Tyrosine | 1991 |
Effect of precursor loading on the synthesis rate and release of dopamine and serotonin in the striatum: a microdialysis study in conscious rats.
Topics: Animals; Corpus Striatum; Dialysis; Dihydroxyphenylalanine; Dopamine; Eating; Haloperidol; Kinetics; Male; Phenylalanine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1991 |
Postinjection L-phenylalanine increases basal ganglia contrast in PET scans of 6-18F-DOPA.
Topics: Animals; Basal Ganglia; Carbidopa; Dihydroxyphenylalanine; Female; Fluorine Radioisotopes; Macaca mulatta; Male; Phenylalanine; Time Factors; Tomography, Emission-Computed | 1991 |
Phenylalanine as substrate for tyrosine hydroxylase in bovine adrenal chromaffin cells.
Topics: Adrenal Glands; Animals; Catecholamines; Cattle; Dihydroxyphenylalanine; Hydroxylation; Phenylalanine; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1990 |
Identification and quantitation of phenylalanine, tyrosine and dihydroxyphenylalanine in the thoracic nervous system of the locust, Schistocerca gregaria, by gas chromatography-negative-ion chemical ionisation mass spectrometry.
Topics: Animals; Deuterium; Dihydroxyphenylalanine; Female; Fluorocarbons; Gas Chromatography-Mass Spectrometry; Grasshoppers; Male; Nervous System; Phenylalanine; Propanols; Thorax; Tyrosine | 1990 |
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 |
Studies on the formation of 3,4-dihydroxyphenylalanine, m-tyrosine and o-tyrosine from L-phenylalanine by rat liver and adrenal.
Topics: Adrenal Glands; Animals; Dihydroxyphenylalanine; Hydroxylation; Liver; Male; Phenylalanine; Rats; Rats, Inbred Strains; Tyrosine | 1988 |
Fluorometry of a DOPA peptide and its thioether.
Topics: Carbon Isotopes; Catechol Oxidase; Catechols; Chromatography, Paper; Cysteine; Dihydroxyphenylalanine; Dipeptides; Ethers; Fluorescence; Fluorometry; Melanoma; Peptides; Phenylalanine; Pigments, Biological; Spectrophotometry; Sulfhydryl Reagents; Sulfur; Tyrosine | 1971 |
[Effect of administration of amino acids, especially of L-DOPA and -methyldopa, on the composition of cerebrospinal fluid in extrapyramidal syndromes. 3. Alterations of cerebrospinal fluid in patients with Huntington's chorea after -methyldopa or L-DOPA
Topics: Adult; Aged; Alanine Transaminase; Asparagine; Aspartic Acid; Child; Dihydroxyphenylalanine; Female; Glutamates; Glutamine; Glycine; Humans; Huntington Disease; Male; Methyldopa; Middle Aged; Phenylalanine; Pyruvates; Threonine | 1973 |
Effect of adrenergic reactive drugs on Tetrahymena pyriformis in a chemically defined medium.
Topics: Adrenergic beta-Antagonists; Carbon Isotopes; Culture Media; Dihydroxyphenylalanine; Dopamine; Glucose; Glycogen; Isoproterenol; Norepinephrine; Phenylalanine; Propranolol; Reserpine; Tetrahymena pyriformis; Tyrosine | 1972 |
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 |
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 |
Analysis of the influence of selected neurotropic agents on hepatic metabolism in relation to endotoxicosis.
Topics: Animals; Cell Nucleus; Chemical and Drug Induced Liver Injury; Chloromercuribenzoates; Circadian Rhythm; Cortisone; Cytoplasm; Depression, Chemical; Dihydroxyphenylalanine; Endotoxins; Enzyme Induction; Fenclonine; Liver; Liver Glycogen; Lysergic Acid Diethylamide; Male; Mercury; Mice; Phenylalanine; Psychotropic Drugs; Serotonin; Synaptic Transmission; Time Factors; Tritium; Tryptophan Oxygenase; Tyrosine Transaminase | 1974 |
A new biosynthetic pathway to catecholamines via m-tyrosine.
Topics: Adrenal Glands; Animals; Benzyl Compounds; Brain; Carbon Radioisotopes; Catalysis; Catecholamines; Dihydroxyphenylalanine; Hydroxylation; In Vitro Techniques; Iron; Liver; Methyldopa; Methyltyrosines; Mice; Monoiodotyrosine; NADP; Phenylalanine; Phenylalanine Hydroxylase; Phosphates; Pterins; Rats; Structure-Activity Relationship; Tyrosine | 1974 |
[Experimental findings and new aspects in extrapyramidal diseases].
Topics: 5-Hydroxytryptophan; Blood Pressure; Body Temperature Regulation; Chorea; Dihydroxyphenylalanine; Dopamine; Humans; Monoamine Oxidase Inhibitors; Movement Disorders; Norepinephrine; Parkinson Disease; Perphenazine; Phenylalanine; Reserpine; Serotonin; Tyrosine | 1966 |
Resolution of ring-substituted phenylalanines by the action of alpha-chymotrypsin on their ethyl esters.
Topics: Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Chymotrypsin; Dihydroxyphenylalanine; Esters; Ethanol; Fenclonine; Fluorine; Hydrolysis; Ion Exchange Resins; Kinetics; Phenylalanine; Stereoisomerism; Tyrosine | 1971 |
Effects of p-chlorophenylalanine, -methylparatyrosine and of other indol-and catechol-amine depletors on the hyperirritability syndrome of septal rats.
Topics: Aggression; Animals; Behavior, Animal; Brain; Brain Chemistry; Dihydroxyphenylalanine; Disulfiram; Fenclonine; Humans; Limbic System; Methyltyrosines; Phenylalanine; Rats; Rats, Inbred Strains | 1970 |
Modification of the effects of antipsychotic agents on the "open field" performance of rats by treatment with -methyl tyrosine or p-chlorophenylalanine.
Topics: Animals; Behavior, Animal; Catecholamines; Chlorpromazine; Dihydroxyphenylalanine; Drug Antagonism; Female; Fenclonine; Grooming; Male; Methyltyrosines; Phenylalanine; Rats; Reserpine; Serotonin; Stereoisomerism | 1970 |
The influence of catecholamines and related substances on human myocardial (Na +, K + )-ATPase.
Topics: Adenosine Triphosphatases; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Heart; Humans; Kinetics; Mandelic Acids; Microsomes; Myocardium; Norepinephrine; Normetanephrine; Osmolar Concentration; Phenylalanine; Potassium; Sodium; Tyramine; Tyrosine; Vanilmandelic Acid | 1970 |
Aggressive behaviour elicited in rats by Cannabis sativa: effects of p-chlorophenylalanine and DOPA.
Topics: Aggression; Animals; Behavior, Animal; Cannabis; Dihydroxyphenylalanine; Drug Combinations; Drug Interactions; Drug Synergism; Female; Fenclonine; Humans; Male; Phenylalanine; Rats; Rats, Inbred Strains; Starvation; Time Factors | 1972 |
Catalytic asymmetric hydrogenation.
Topics: Acylation; Alanine; Amino Acids; Catalysis; Cinnamates; Dihydroxyphenylalanine; Fenclonine; Hydrogenation; Ligands; Optical Rotation; Phenylalanine; Phosphines; Tryptophan | 1973 |
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 |
Female lordosis behavior in estrogen-primed male rats treated with para-chlorophenylalanine or alpha-methyl-para-tyrosine.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Castration; Catecholamines; Dihydroxyphenylalanine; Estradiol; Female; Fenclonine; Hydrazines; Male; Methyltyrosines; Phenylalanine; Rats; Serotonin Antagonists; Sex Factors; Sexual Behavior, Animal; Time Factors | 1972 |
[Further experimental studies on the catecholamine metabolism in extrapyramidal diseases (Parkinson and chorea syndromes)].
Topics: Aged; Carboxy-Lyases; Catecholamines; Chorea; Dihydroxyphenylalanine; Female; Humans; Hydrazines; Male; Middle Aged; NAD; Oxidoreductases; Parkinson Disease; Phenylalanine; Tyrosine | 1967 |
Formation of a "false" adrenergic transmitter in cats pretreated with 4-methyoxy-3,5-dihydroxyphenylalanine and its effects on postganglionic sympathetic transmission.
Topics: Animals; Blood Pressure; Cats; Chromatography, Paper; Dihydroxyphenylalanine; Female; Heart; Iris; Male; Myocardium; Nictitating Membrane; Norepinephrine; Phenylalanine; Spleen; Synaptic Transmission; Tritium | 1968 |
Nature and mechanisms of oxygenases.
Topics: Amino Acids; Bacteria; Biotransformation; Catalysis; Catechol Oxidase; Chemical Phenomena; Chemistry; Cholesterol; Collagen; Dihydroxyphenylalanine; Flavin-Adenine Dinucleotide; Hydroxyproline; Lysine; NAD; Oxygen; Oxygenases; Phenylalanine; Plants; Prostaglandins; Squalene; Tryptophan Oxygenase; Tyrosine | 1969 |
[Autoradiographic examinations of the metabolic activity of the carotid body].
Topics: Animals; Carotid Body; Catecholamines; Dihydroxyphenylalanine; Ganglia, Autonomic; Humans; Mice; Paraganglia, Nonchromaffin; Paraganglioma, Extra-Adrenal; Phenylalanine; Pheochromocytoma; Rabbits; Radioisotopes; Rats; Tritium | 1970 |
Myeloperoxidase of the leukocyte of normal blood. II. The oxidation-reduction reaction mechanism of the myeloperoxidase system.
Topics: Adrenochrome; Animals; Blood Platelets; Cytochromes; Dihydroxyphenylalanine; Dopamine; Epinephrine; Erythrocytes; Free Radicals; Hydrogen Peroxide; Iron; Leukocytes; Models, Chemical; NAD; Norepinephrine; Oxidation-Reduction; Oxidoreductases; Oxygen; Peroxidases; Phenols; Phenylalanine; Spectrophotometry; Swine; Time Factors; Tyrosine; Ultraviolet Rays | 1970 |
Structural determinants of catecholamine action on in vitro insulin release.
Topics: Animals; Butyrates; Catecholamines; Cricetinae; Cyclic AMP; Dihydroxyphenylalanine; Dopamine; Epinephrine; Glucose; In Vitro Techniques; Insulin; Insulin Secretion; Isoproterenol; Methyldopa; Norepinephrine; Pancreas; Phenethylamines; Phentolamine; Phenylacetates; Phenylalanine; Phenylephrine; Structure-Activity Relationship; Tyramine; Tyrosine | 1971 |
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 |
The interaction of pyridoxal phosphate with tyrosine analogs.
Topics: Animals; Dihydroxyphenylalanine; Dopamine; Enzymes; Epinephrine; In Vitro Techniques; Liver; Male; Methyldopa; Methyltyrosines; Normetanephrine; Octopamine; Phenylalanine; Pyridoxal Phosphate; Rats; Transaminases; Tyramine; Tyrosine; Tyrosine Transaminase; Ultraviolet Rays | 1966 |
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 |
The formation of 3,4-dihydroxy-L-phenylalanine from L-meta-tyrosine by rat liver and beef adrenal medulla.
Topics: Adrenal Glands; Amino Acids; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Autoanalysis; Cattle; Chemical Precipitation; Chromatography, Ion Exchange; Cresols; Depression, Chemical; Dihydroxyphenylalanine; Ethanol; Female; Fluorescence; Hydroxylamines; Isomerism; Liver; Mixed Function Oxygenases; NADP; Phenylalanine; Pteridines; Quaternary Ammonium Compounds; Rats; Stimulation, Chemical; Sulfates; Tyrosine | 1971 |
Formation of meta-tyrosine form L-phenylalanine by beef adrenal medulla. A new biosynthetic route to catecholamines.
Topics: Adrenal Medulla; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Carbon Isotopes; Catecholamines; Cattle; Chromatography, Ion Exchange; Cresols; Dihydroxyphenylalanine; Female; Hydroxylamines; Iron; Kinetics; Methyltyrosines; Monoiodotyrosine; NAD; Phenols; Phenylalanine; Pteridines; Rats; Stereoisomerism; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
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 |
The biosynthesis of octopamine.
Topics: Animals; Brain; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Half-Life; In Vitro Techniques; Male; Methyltyrosines; Monoamine Oxidase Inhibitors; Monoiodotyrosine; Myocardium; Octopamine; Phenylalanine; Rats; Tyramine; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
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 |
The formation in vivo of 3,4-dihydroxyphenylalanine (DOPA) from 3-hydroxy-DL-phenylalanine (m-tyrosine).
Topics: Animals; Benzyl Compounds; Brain; Brain Chemistry; Carboxy-Lyases; Depression, Chemical; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Hydrazines; Kinetics; Liver; Male; Phenylalanine; Propionates; Stimulation, Chemical; Time Factors; Tyrosine | 1974 |
Melanocytic neoplasms.
Topics: Dihydroxyphenylalanine; Epinephrine; Humans; Melanins; Melanocytes; Melanoma; Mustard Compounds; Neoplasm Metastasis; Neurons; Phenylalanine; Pigments, Biological; Skin Neoplasms; Tyrosine | 1974 |
L-phenylalanine interactions with structurally related substances at the intestinal mucosa.
Topics: Alanine; Amino Acids; Animals; Binding Sites; Binding, Competitive; Biological Transport; Carbon Radioisotopes; Cysteine; Dihydroxyphenylalanine; Female; Intestinal Mucosa; Intestine, Small; Jejunum; Kinetics; Phenylalanine; Rats; Receptors, Drug; Serine; Time Factors | 1974 |
Variations in L-dopa absorption. Report of a parkinsonian patient with high plasma dopa concentration after therapeutical L-dopa dose.
Topics: Administration, Oral; Aged; Carbon Radioisotopes; Decarboxylation; Dihydroxyphenylalanine; Dopamine; Female; Humans; Injections, Intravenous; Levodopa; Male; Middle Aged; Parkinson Disease; Phenylalanine; Stimulation, Chemical; Sulfates; Tyrosine | 1974 |
[Effect of agents, changing the monoamine level, on audiogenic epileptic seizures in rats].
Topics: 5-Hydroxytryptophan; Acoustic Stimulation; Animals; Anticonvulsants; Brain; Depression, Chemical; Dihydroxyphenylalanine; Female; Male; Methyltyrosines; Methysergide; Nialamide; Norepinephrine; Phenylalanine; Rats; Reserpine; Seizures; Serotonin; Stimulation, Chemical | 1973 |
False neurotransmitters and hepatic coma.
Topics: Amines; Animals; Brain; Dihydroxyphenylalanine; Female; Hepatic Encephalopathy; Humans; Intestinal Mucosa; Kanamycin; Ligation; Liver; Motor Activity; Myocardium; Norepinephrine; Octopamine; Phenylalanine; Rats; Serotonin; Tyramine; Tyrosine | 1974 |
Pathogenesis of phenylketonuria: inhibition of DOPA and catecholamine synthesis in patients with phenylketonuria.
Topics: Amino Acid Metabolism, Inborn Errors; Catecholamines; Catechols; Child; Child, Preschool; Deuterium; Dihydroxyphenylalanine; Dopamine; Glycols; Homovanillic Acid; Humans; Mass Spectrometry; Phenylalanine; Phenylketonurias; Tyrosine; Vanilmandelic Acid | 1972 |
[Catecholamines in carotid glomus. Autoradiographic studies on catecholamine- and amino acid-metabolism using H-3-phenylalanine].
Topics: Amino Acids; Animals; Autoradiography; Carotid Body; Catecholamines; Dihydroxyphenylalanine; Half-Life; Phenylalanine; Rats; Tritium | 1972 |
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 |
Active transport of L-dopa in the intestine.
Topics: Animals; Benserazide; Biological Transport, Active; Carboxy-Lyases; Dihydroxyphenylalanine; In Vitro Techniques; Intestinal Mucosa; Intestine, Small; Kinetics; Leucine; Male; Oxygen; Phenylalanine; Rats | 1973 |
Ultrastructural evidence against in vivo disaggregation of brain polyribosomes after administration of L-dopa or phenylalanine.
Topics: Animals; Brain; Cell Aggregation; Cerebral Cortex; Cytoplasm; Dihydroxyphenylalanine; Microscopy, Electron; Neuroglia; Neurons; Phenylalanine; Polyribosomes; Rats | 1973 |
Monitoring phenylalanine-tyrosine metabolism by high-resolution liquid chromatography of urine.
Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Autistic Disorder; Carbidopa; Catechols; Child; Chromatography, Gas; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Hippurates; Homovanillic Acid; Humans; Hyperkinesis; Intellectual Disability; Lactates; Mandelic Acids; Mass Spectrometry; Methods; Nervous System Diseases; Parkinson Disease; Phenylacetates; Phenylalanine; Spectrophotometry, Ultraviolet; Tyrosine | 1973 |
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 |
The role of phenylalanine in differentiating amphibian melanocytes.
Topics: Ambystoma; Animals; Autoradiography; Cell Differentiation; Dihydroxyphenylalanine; Ganglia; Lactates; Leucine; Melanins; Melanocytes; Nervous System; Phenylalanine; Protein Biosynthesis; Puromycin; Tritium; Tyrosine | 1973 |
[Characteristics of the electronic structure of catecholamines and their precursors].
Topics: Catecholamines; Computers; Dihydroxyphenylalanine; Dopamine; Electrons; Epinephrine; Norepinephrine; Phenylalanine; Tyrosine | 1973 |
Histochemical studies of nonenzymatic reduction of nitro-BT by catecholamines and their precursors in extracellular model systems.
Topics: Animals; Basal Ganglia; Catecholamines; Cats; Cerebral Cortex; Cystine; Dihydroxyphenylalanine; Epinephrine; Histocytochemistry; Homocystine; Norepinephrine; Oxidation-Reduction; Phenylalanine; Rats; Tetrazolium Salts; Tyrosine | 1974 |
[Metabolic products of microorganisms. 88. Effect of L-2,5-dihydrophenylalanine--a phenylalanine antagonist].
Topics: Amino Acids; Dihydroxyphenylalanine; Escherichia coli; Mutation; Phenylalanine; Tyrosine | 1971 |
[Experimental investigations on the microbial screening test according to Guthrie for the early detection of phenylketonurial].
Topics: Amino Acids; Bacillus subtilis; Culture Media; Diet; Dihydroxyphenylalanine; Humans; In Vitro Techniques; Mass Screening; Phenylalanine; Phenylketonurias; Phenylpyruvic Acids | 1965 |
The non-enzymic hydroxylation of phenylalanine to tyrosine by 2-amino-4-hydroxy-6,7-dimethyl-5,6,7,8-tetrahydropteridine.
Topics: Air; Carbon Isotopes; Catalase; Chemical Phenomena; Chemistry; Chromatography, Paper; Coenzymes; Cyanides; Dihydroxyphenylalanine; Edetic Acid; Hydrogen Peroxide; Hydroxylation; Iron; Peroxides; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Sulfhydryl Compounds; Tyrosine | 1971 |
Mydriatic response to phenylalanine, tyrosine, dopa, and dopamine in Bufo viridis.
Topics: Animals; Anura; Bufonidae; Chelating Agents; Dihydroxyphenylalanine; Disulfiram; Dopamine; Drug Interactions; Edetic Acid; Eye; Female; Fentanyl; In Vitro Techniques; Iris; Male; Mydriatics; Phenylalanine; Time Factors; Tyrosine | 1970 |
Structural specificity in the intestinal transport of hexoses, tyrosine derivatives and electrolytes in freshwater catfish.
Topics: Animals; Bicarbonates; Biological Transport, Active; Carbon Isotopes; Chlorides; Dihydroxyphenylalanine; Fishes; Fucose; Galactose; Glucose; Hexoses; In Vitro Techniques; Intestinal Mucosa; Intestine, Small; Membrane Potentials; Ouabain; Phenylalanine; Phlorhizin; Sodium; Solutions; Structure-Activity Relationship; Tyrosine | 1972 |
Biosynthesis of dithiadiketopiperazine antibiotics: comparison of possible aromatic amino acid precusors.
Topics: Alkaloids; Anti-Bacterial Agents; Ascomycota; Aspergillus; Carbon Isotopes; Dihydroxyphenylalanine; Indoles; Ketones; Mass Spectrometry; Mitosporic Fungi; Oxepins; Penicillium; Phenylalanine; Piperazines; Sulfides; Time Factors; Tritium; Tyrosine | 1971 |
Analysis in human plasma of 3-methoxytyrosine: a metabolite of DOPA.
Topics: Chromatography, Ion Exchange; Dihydroxyphenylalanine; Ethers; Fasting; Humans; Mass Spectrometry; Parkinson Disease; Phenylalanine; Tyrosine | 1971 |
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 |
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 |
A possible relationship between catecholamines and acute toxicity of desipramine.
Topics: 5-Hydroxytryptophan; Animals; Catecholamines; Chlorpromazine; Desipramine; Dihydroxyphenylalanine; Disulfiram; Male; Methyldopa; Mice; Mortality; Phenylalanine; Reserpine | 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 |
Effect of drugs on excitatory and inhibitory potentials in Helix aspersa.
Topics: 5-Hydroxytryptophan; Acetylcholine; Action Potentials; Animals; Brain; Cell Membrane; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Hemicholinium 3; In Vitro Techniques; Membrane Potentials; Morpholines; Phenethylamines; Phenylalanine; Reserpine; Serotonin; Snails; Synapses; Synaptic Membranes | 1971 |
The effect of monamine synthesis inhibitors on the ovarian compensatory hypertrophy.
Topics: Animals; Body Weight; Brain; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Female; Hypertrophy; Methyltyrosines; Organ Size; Ovarian Diseases; Ovary; Phenylalanine; Rats | 1969 |
Effect of dopalanine on behaviour in mice depleted of norepinephrine or serotonin.
Topics: Animals; Brain Chemistry; Chlorine; Dihydroxyphenylalanine; Dopamine; Male; Methyltyrosines; Mice; Motor Activity; Nialamide; Norepinephrine; Phenylalanine; Reserpine; Serotonin | 1969 |
The syntheses and substrate specificity for mammalian dihydroxyphenylalanine decarboxylase of 3-, 4-, 5-, and 6-methyl-2-hydroxyphenylalanines and the substrate specificity of 3-, 5-, and 6-methyl-2,4-dihydroxyphenylalanines for the enzyme.
Topics: Amino Acids; Animals; Chromatography, Paper; Dihydroxyphenylalanine; Dopa Decarboxylase; Guinea Pigs; Infrared Rays; Phenylalanine; Spectrophotometry | 1969 |
[Advancement on the area of antiparkinsonism drugs].
Topics: Amantadine; Amino Acids; Brain; Dihydroxyphenylalanine; Humans; Parkinson Disease; Phenylalanine | 1969 |
Aggression in mice associated with changes in the monoamine metabolism of the brain.
Topics: Aggression; Animals; Behavior, Animal; Brain; Dihydroxyphenylalanine; Dopamine; Encephalitis; Fluorometry; Herpes Simplex; Humans; Hydroxyindoleacetic Acid; Mice; Phenylacetates; Phenylalanine; Serotonin; Spectrum Analysis | 1969 |
Role of biogenic amines in morphine dependence in the rat.
Topics: Animals; Brain; Dihydroxyphenylalanine; Dopamine; Female; Humans; Imipramine; Male; Methyltyrosines; Morphine; Nalorphine; Norepinephrine; Phenylalanine; Rats; Serotonin; Substance-Related Disorders; Thiocarbamates | 1970 |
[Parkinson's syndrome. 11. Intestinal resorption].
Topics: Administration, Oral; Dihydroxyphenylalanine; Humans; Injections, Intravenous; Intestinal Absorption; Parkinson Disease; Phenylalanine | 1970 |
Biogenesis of rosmarinic acid in Mentha.
Topics: Carbon Isotopes; Cinnamates; Coumarins; Dihydroxyphenylalanine; Lactates; Phenylalanine; Plants; Tyrosine | 1970 |
Hydroxylations of aromatic amino acids mediated by a tetrahydropterin.
Topics: Amino Acids; Autoanalysis; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Fluorometry; Iron; Phenylalanine; Pterins; Tritium; Tyrosine | 1970 |
Molecular conformation of L-dopa.
Topics: Amino Acids; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Dipeptides; Dopamine; Glycine; Hydrogen; Isomerism; Norepinephrine; Peptides; Phenylalanine; Rotation; Threonine; Tyrosine; X-Ray Diffraction | 1970 |
Relaxation spectra of L-phenylalanine- and L-dopa (3,4-dihydroxyphenylalanine)-copper(II) complexes.
Topics: Chelating Agents; Copper; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Phenylalanine; Temperature | 1971 |
Gas chromatographic analysis of N-acetyldopamine and its potential metabolic precursors.
Topics: Animals; Chromatography, Gas; Cyprinidae; Dihydroxyphenylalanine; Dopamine; Mass Spectrometry; Methods; Phenylalanine; Quinones; Silicon; Tyramine; Tyrosine | 1971 |
Inhibition of L-Phenylalanine absorption by L-DOPA in patients with parkinsonism.
Topics: Aged; Dihydroxyphenylalanine; Female; Humans; Male; Metabolic Clearance Rate; Middle Aged; Parkinson Disease; Phenylalanine; Time Factors | 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 |
[DOPA-DOPP-transaminases of rat brain in vitro].
Topics: Animals; Brain; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Glutamates; In Vitro Techniques; Kinetics; Phenylalanine; Phenylpyruvic Acids; Rats; Transaminases; Tyrosine | 1967 |
Isotope studies on the mechanism of action of adrenal tyrosine hydroxylase.
Topics: Adrenal Glands; Animals; Cattle; Chromatography, Paper; Dihydroxyphenylalanine; Guinea Pigs; Mixed Function Oxygenases; Oxygen; Oxygen Isotopes; Phenylalanine; Rats; Spectrum Analysis; Tritium; Tyrosine | 1968 |
Inhibition of rat brain tryptophan hydroxylase by 6-halotryptophans.
Topics: Animals; Brain; Brain Chemistry; Carbon Isotopes; Catecholamines; Dihydroxyphenylalanine; Halogens; In Vitro Techniques; Methyltyrosines; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Rats; Serotonin; Tryptophan; Tyrosine | 1968 |
Brain amines and temperature regulation.
Topics: Animals; Body Temperature Regulation; Brain; Brain Chemistry; Cold Temperature; Dihydroxyphenylalanine; Dopamine; Hot Temperature; Hydroxyindoleacetic Acid; Hypothalamus; Male; Methyltyrosines; Norepinephrine; Pargyline; Phenylalanine; Rats; Serotonin; Serotonin Antagonists; Tritium | 1968 |
Studies on DOPA- and dopamine-hyperglycemia.
Topics: Amines; Amino Acids; Animals; Blood Glucose; Dihydroxyphenylalanine; Dopamine; Epinephrine; Hyperglycemia; Phenylalanine; Rabbits; Tyrosine | 1968 |
[Fluorometric study of biogenic amines in isolated cells].
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Fluorometry; Formaldehyde; Freeze Drying; Hypothalamus; Limbic System; Neurons; Nialamide; Phenylalanine; Rats; Reserpine; Serotonin; Ultraviolet Rays | 1968 |
Effects of catecholamines, adrenergic substances and their blocking agents on the searching behavior of mice.
Topics: Animals; Catecholamines; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ergotamine; Exploratory Behavior; Injections, Intraperitoneal; Isoproterenol; Male; Methamphetamine; Mice; Monoamine Oxidase Inhibitors; Motor Activity; Norepinephrine; Phenethylamines; Phentolamine; Phenylalanine; Propranolol; Sensory Receptor Cells; Stimulation, Chemical; Sympatholytics; Sympathomimetics | 1968 |
Effect of alpha-methyltyrosine on operant behavior and brain catecholamine levels.
Topics: Animals; Brain Chemistry; Catecholamines; Computers; Conditioning, Operant; Dihydroxyphenylalanine; Dopamine; Male; Methyltyrosines; Norepinephrine; Phenylalanine; Rats; Reinforcement Schedule | 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 |
Radiolysis of phenylalanine and tyrosine and aqueous solution.
Topics: Carbon Isotopes; Dihydroxyphenylalanine; Oxygen; Phenylalanine; Radiation Effects; Radiochemistry; Solutions; Spectrum Analysis; Tyrosine | 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 |
The biosynthesis of catecholamines in two genera of protozoa.
Topics: Catecholamines; Chromatography, Paper; Dihydroxyphenylalanine; Epinephrine; Eukaryota; Fluorometry; Norepinephrine; Phenylalanine; Tetrahymena; Tyrosine | 1966 |
Electron localization of amines in central nervous tissue.
Topics: Animals; Cricetinae; Dihydroxyphenylalanine; Dopamine; Hypothalamus; Microscopy, Electron; Norepinephrine; Phenylalanine; Serotonin; Tyrosine | 1966 |
The production of meta-tritiotyrosine from p-tritiophenylalanine by phenylalanine hydroxylase.
Topics: Animals; Chromatography, Paper; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Mixed Function Oxygenases; Phenylalanine; Pseudomonas; Pyrrolidinones; Rats; Tritium; Tyrosine | 1966 |
Dopa and parkinsonism.
Topics: Dihydroxyphenylalanine; Humans; Parkinson Disease; Phenylalanine | 1967 |
Phenylalanine as substrate and inhibitor of tyrosine hydroxylase.
Topics: Adrenal Medulla; Animals; Cattle; Caudate Nucleus; Dihydroxyphenylalanine; Dogs; Enzymes; Guinea Pigs; In Vitro Techniques; Kinetics; Mixed Function Oxygenases; Myocardium; Phenylalanine; Tyrosine | 1967 |
The antagonism of phenylethylamine to catecholamines on mouse motor activity.
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Iproniazid; Mice; Motor Activity; Phenethylamines; Phenylalanine | 1967 |
The effect of high phenylalanine concentration on the formation of DOPA from phenylalanine and tyrosine by tyrosine hydroxylase.
Topics: Dihydroxyphenylalanine; Mixed Function Oxygenases; Phenylalanine; Tyrosine | 1967 |
Diagnostic and therapeutic aspects of dihydrobiopterin deficiency.
Topics: 5-Hydroxytryptophan; Biopterins; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Humans; Infant; Male; Nervous System Diseases; Phenylalanine; Phenylketonurias; Pteridines | 1983 |
Potent inhibitory effects of tyrosine metabolites on dihydropteridine reductase from human and sheep liver.
Topics: Animals; Dihydropteridine Reductase; Dihydroxyphenylalanine; Humans; NADH, NADPH Oxidoreductases; Phenylacetates; Phenylalanine; Phenylpropionates; Phenylpyruvic Acids; Rats; Sheep; Tyramine; Tyrosine | 1984 |
Thiol compounds. III Synthesis and antihypertensive activity of mercaptoacylamino acids.
Topics: Amino Acids; Animals; Antihypertensive Agents; Dihydroxyphenylalanine; Methyldopa; Phenylalanine; Sulfhydryl Compounds; Tyrosine | 1981 |
The transport of L-6-fluorodopa and its metabolites from blood to cerebrospinal fluid and brain.
Topics: Amino Acids; Animals; Biological Transport; Blood-Brain Barrier; Brain; Brain Chemistry; Dihydroxyphenylalanine; Fluorine Radioisotopes; Homovanillic Acid; Macaca fascicularis; Male; Phenylalanine; Tomography, Emission-Computed | 1993 |
Characterization of topa quinone cofactor.
Topics: Benzoquinones; Dihydroxyphenylalanine; Electrochemistry; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Oxidation-Reduction; Phenylalanine | 1993 |
A mechanism for hydroxylation by tyrosine hydroxylase based on partitioning of substituted phenylalanines.
Topics: Animals; Dihydroxyphenylalanine; Fenclonine; Hydroxylation; Kinetics; Models, Chemical; Molecular Structure; Oxygen; p-Fluorophenylalanine; Phenylalanine; Pterins; Rats; Recombinant Proteins; Substrate Specificity; Tyrosine 3-Monooxygenase | 1996 |
Sulfated cyclodextrins for the chiral separations of catecholamines and related compounds in the reversed electrophoretic polarity mode.
Topics: Binding Sites; Capillary Action; Catecholamines; Cyclodextrins; Dihydroxyphenylalanine; Electrophoresis; Epinephrine; Indicators and Reagents; Kinetics; Models, Chemical; Norepinephrine; Phenylalanine; Stereoisomerism; Sulfuric Acids; Tyrosine | 1996 |
Oral phenylalanine loading in dopa-responsive dystonia: a possible diagnostic test.
Topics: Administration, Oral; Adolescent; Adult; Aged; Aged, 80 and over; Aging; Biopterins; Child, Preschool; Dihydroxyphenylalanine; Dopamine Agents; Dystonia; Female; Humans; Male; Middle Aged; Neopterin; Osmolar Concentration; Phenylalanine; Time Factors; Tyrosine | 1997 |
New paramagnetic species formed at the expense of the transient tyrosyl radical in mutant protein R2 F208Y of Escherichia coli ribonucleotide reductase.
Topics: Binding Sites; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Escherichia coli; Free Radicals; Models, Chemical; Mutation; Nonheme Iron Proteins; Phenylalanine; Ribonucleotide Reductases; Tyrosine | 1998 |
The effect of phenylalanine on DOPA synthesis in PC12 cells.
Topics: Animals; Dihydroxyphenylalanine; Hydroxylation; PC12 Cells; Phenylalanine; Rats; Reproducibility of Results; Tyrosine | 1998 |
The relative roles of phenylalanine and tyrosine as substrates for DOPA synthesis in PC12 cells.
Topics: Animals; Dihydroxyphenylalanine; Molecular Sequence Data; PC12 Cells; Phenylalanine; Rats; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1999 |
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 |
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 |
Precursors of adrenal epinephrine and norepinephrine in vivo.
Topics: Dihydroxyphenylalanine; Epinephrine; Norepinephrine; Phenylalanine; Tyrosine | 1956 |
Use of alpha-methyl-dopa (alpha-methyl-3,4-dihydroxy-DL-phenylalanine) in the management of the carcinoid syndrome.
Topics: Dihydroxyphenylalanine; Disease Management; Humans; Lyases; Malignant Carcinoid Syndrome; Methyldopa; Phenylalanine | 1961 |
Radiation-induced formation of dihydroxyphenylalanine from tyrosine and tyrosine-containing peptides in aqueous solution.
Topics: Dihydroxyphenylalanine; Peptides; Phenylalanine; Radiation; Radiation Effects; Tyrosine | 1961 |
Actions of the decarboxylase inhibitor, alpha-methyl-3,4-dihydroxyphenylalanine, in the dog.
Topics: Animals; Antiparkinson Agents; Carboxy-Lyases; Dihydroxyphenylalanine; Dogs; Enzyme Inhibitors; Lyases; Phenylalanine | 1960 |
[Chemical or enzymatic oxidation of 3,4-dihydroxy-L-phenylalanine, hydroxytyramine and noradrenaline studied by paper chromatography and electrophoresis].
Topics: Catecholamines; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; Electrophoresis; Norepinephrine; Oxidation-Reduction; Phenylalanine | 1960 |
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 |
Biochemical and pressor effects of oral D,L-dihydroxy-phenylalanine in patients pretreated with antidepressant drugs.
Topics: Antidepressive Agents; Blood Pressure; Catecholamines; Dihydroxyphenylalanine; Humans; Imipramine; Norepinephrine; Phenelzine; Phenylalanine | 1963 |
STUDIES ON ACTIVE TRANSPORT OF L-DOPA (DIHYDROXYPHENYLALANINE) INTO BRAIN SLICES.
Topics: Acetates; Alanine; Aniline Compounds; Animals; Biological Transport, Active; Calcium; Calcium, Dietary; Cerebral Cortex; Dihydroxyphenylalanine; Glutamates; Guinea Pigs; Ions; Levodopa; Magnesium; Metabolism; Phenols; Phenylalanine; Research; Sodium; Tyrosine | 1963 |
STUDIES OF FUNCTIONAL NEURAL TUMORS. V. URINARY EXCRETION OF 3-METHOXY-4HYDROXYPHENYL-LACTIC ACID.
Topics: Acetates; Adrenal Gland Neoplasms; Butyrates; Carcinoid Tumor; Child; Chromatography; Dihydroxyphenylalanine; Dopamine; Humans; Indoleacetic Acids; Infant; Infant, Newborn; Intestinal Neoplasms; Lactates; Lactic Acid; Mandelic Acids; Neuroblastoma; Phenylalanine; Renal Aminoacidurias; Serotonin; Thoracic Neoplasms; Urine | 1963 |
INCREASE IN ACCUMULATION OF L-DOPA (3,4-DIHYDROXY-PHENYLALANINE) IN BRAIN SLICES BY ALCOHOL.
Topics: Alcohols; Carbon Isotopes; Cerebral Cortex; Dihydroxyphenylalanine; Ethanol; Guinea Pigs; Levodopa; Metabolism; Pharmacology; Phenylalanine; Research | 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 |
STUDIES ON THE SPECIFICITY OF TYROSINE-ALPHA-KETOGLUTARATE TRANSAMINASE.
Topics: 5-Hydroxytryptophan; Alanine; Amphetamine; Benzoates; Butyrates; Catecholamines; Dihydroxyphenylalanine; Enzyme Inhibitors; Ephedrine; Indoleacetic Acids; Ketoglutaric Acids; Lactates; Liver; Mandelic Acids; Methyldopa; Normetanephrine; Pharmacology; Phenylacetates; Phenylalanine; Propionates; Rats; Research; Transaminases; Tryptophan; Tyramine; Tyrosine; Tyrosine Transaminase | 1964 |
THE ROLE OF PTERIDINES IN THE ENZYMATIC CONVERSION OF PHENYLALANINE TO TYROSINE.
Topics: Coenzymes; Dihydroxyphenylalanine; Humans; Liver; Metabolism; Nucleotides; Phenylalanine; Pteridines; Pterins; Tyrosine | 1964 |
IN-VITRO DECARBOXYLATION OF NEW PHENYLALANINE DERIVATIVES.
Topics: Animals; Brain; Decarboxylation; Dihydroxyphenylalanine; Dopa Decarboxylase; Enterococcus faecalis; Guinea Pigs; Kidney; Manometry; Metabolism; Mice; Phenylalanine; Research; Tyrosine Decarboxylase | 1964 |
CHANGES IN CARBOHYDRATE METABOLISM OF THE MOUSE BRAIN FOLLOWING THE ADMINISTRATION OF 3,4-DIHYDROXY-L-PHENYLALANINE.
Topics: Animals; Brain; Carbohydrate Metabolism; Catecholamines; Coenzymes; Dihydroxyphenylalanine; Glucose; Glycogen; Hydrazines; Lactates; Mice; Pharmacology; Phenylalanine; Phosphorus; Research | 1964 |
MYOGLOBIN FREE-RADICALS.
Topics: Alanine; Chemical Phenomena; Chemistry; Dihydroxyphenylalanine; Glycine; Histidine; Hydrogen Peroxide; Leucine; Myoglobin; Phenylalanine; Proline; Research; Serine; Threonine; Tyrosine | 1964 |
SUBSTRATE SPECIFICITY OF DOPA DECARBOXYLASE.
Topics: Animals; Carbon Dioxide; Carbon Isotopes; Dihydroxyphenylalanine; Dopa Decarboxylase; Guinea Pigs; Kidney; Phenylalanine; Radiometry; Research; Substrate Specificity; Tyrosine | 1964 |
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 |
HYDROXYLATION OF PHENYLALANINE BY PURIFIED PREPARATIONS OF ADRENAL AND BRAIN TYROSINE HYDROXYLASE.
Topics: Adrenal Glands; Amino Acids; Brain; Chromatography; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Hydroxylation; Liver; Mixed Function Oxygenases; Phenylalanine; Research; Tyrosine; Tyrosine 3-Monooxygenase | 1965 |
Vanadium catalysis of the oxidation of catechol amines, dihydroxyphenylalanine and 5-hydroxyindoles.
Topics: Amines; Catalysis; Catecholamines; Catechols; Dihydroxyphenylalanine; Indoles; Phenylalanine; Vanadium | 1960 |
[Continuation of the lead article on: Historical survey of dihydroxyphenylalanine, catecholamines and other biogenic amines].
Topics: Biochemical Phenomena; Biogenic Amines; Catecholamines; Dihydroxyphenylalanine; Humans; Phenylalanine | 1962 |
The effect of urethanes and di (2-chloroethyl) methylamine hydrochloride on the autoxidation of dopa.
Topics: Dihydroxyphenylalanine; Methylamines; Phenylalanine; Urethane | 1950 |
Non-enzymatic oxidation of tyrosine and dopa.
Topics: Dihydroxyphenylalanine; Oxidation-Reduction; Phenylalanine; Tyrosine | 1950 |
[Oxidation prior to decarboxylation of 3-hydroxy-, of 6-hydroxy-, and of 3,6-dihydroxyphenylalanine].
Topics: Decarboxylation; Dihydroxyphenylalanine; Oxidation-Reduction; Phenylalanine | 1951 |
Structural basis of biopterin-induced inhibition of GTP cyclohydrolase I by GFRP, its feedback regulatory protein.
Topics: Amino Acid Sequence; Animals; Binding Sites; Biopterins; Crystallography, X-Ray; Dihydroxyphenylalanine; Escherichia coli; Gene Expression Regulation; GTP Cyclohydrolase; Intracellular Signaling Peptides and Proteins; Models, Molecular; Molecular Sequence Data; Mutation; Peptides; Phenylalanine; Protein Binding; Protein Conformation; Protein Structure, Secondary; Protein Structure, Tertiary; Proteins; Rats | 2004 |
Investigation of artificial biomembrane systems in biopartitioning micellar chromatography by method of mathematical design.
Topics: Anions; Barbital; Benzoic Acid; Carbamazepine; Cations; Chemical Phenomena; Chemistry, Physical; Chromatography; Diffusion; Dihydroxyphenylalanine; Hydrophobic and Hydrophilic Interactions; Mathematics; Membranes, Artificial; Micelles; Pentobarbital; Permeability; Phenylalanine; Polidocanol; Polyethylene Glycols; Riboflavin; Saccharin; Surface-Active Agents | 2005 |
Accumulation of the hydroxyl free radical markers meta-, ortho-tyrosine and DOPA in cataractous lenses is accompanied by a lower protein and phenylalanine content of the water-soluble phase.
Topics: Aged; Cataract; Cross-Sectional Studies; Diabetes Mellitus, Type 2; Dihydroxyphenylalanine; Eye Proteins; Humans; Hydroxyl Radical; Lens, Crystalline; Middle Aged; Phenylalanine; Solubility; Tyrosine; Water | 2005 |
The metabolism of dihydroxyphenylalanine by guinea pig kidney extracts.
Topics: Dihydroxyphenylalanine; Guinea Pigs; Kidney; Phenylalanine | 1949 |
Enantioseparation of dopa and related compounds by cyclodextrin-modified microemulsion electrokinetic chromatography.
Topics: Amino Acids, Aromatic; Chromatography; Chromatography, Micellar Electrokinetic Capillary; Cyclodextrins; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Methyldopa; Phenylalanine; Reproducibility of Results; Stereoisomerism; Tyrosine | 2008 |
The chemistry of melanin; mechanism of the oxidation of dihydroxyphenylalanine by tyrosinase.
Topics: Catechol Oxidase; Dihydroxyphenylalanine; Glycoproteins; Melanins; Monophenol Monooxygenase; Phenylalanine; Toxins, Biological | 1948 |
Plasma phenylalanine level in dopa-responsive dystonia.
Topics: Analysis of Variance; Dihydroxyphenylalanine; Dopamine Agents; Dystonia; GTP Cyclohydrolase; Humans; Phenylalanine; Tyrosine | 2009 |
Preparation of d-tyrosine, its acetyl derivatives, and d-3,4-dihydroxyphenylalanine.
Topics: Dihydroxyphenylalanine; Phenylalanine; Tyrosine | 1946 |
Enantioseparation of amino acids and alpha-hydroxy acids on ligand-exchange continuous beds by capillary electrochromatography.
Topics: Amino Acids; Capillary Electrochromatography; Dihydroxyphenylalanine; Hydroxy Acids; Hydroxyproline; Lactates; Phenylalanine; Proline; Stereoisomerism | 2010 |
Chiral capillary electrophoresis-mass spectrometry of 3,4-dihydroxyphenylalanine: evidence for its enantioselective metabolism in PC-12 nerve cells.
Topics: Animals; beta-Cyclodextrins; Dihydroxyphenylalanine; Electrophoresis, Capillary; Mass Spectrometry; PC12 Cells; Phenylalanine; Rats; Stereoisomerism; Tyrosine | 2011 |
Bioinspired bioadhesive polymers: dopa-modified poly(acrylic acid) derivatives.
Topics: Acrylic Resins; Adhesiveness; Animals; Biomimetic Materials; Calorimetry, Differential Scanning; Dihydroxyphenylalanine; Gastropoda; Intestines; Magnetic Resonance Spectroscopy; Male; Materials Testing; Methylmethacrylates; Phenylalanine; Rats; Rats, Sprague-Dawley; Spectroscopy, Fourier Transform Infrared; Tensile Strength; Tissue Adhesives; Tissue Culture Techniques; Tyrosine | 2012 |
Stabilizing Alginate Confinement and Polymer Coating of CO-Releasing Molecules Supported on Iron Oxide Nanoparticles To Trigger the CO Release by Magnetic Heating.
Topics: Alginates; Animals; Antineoplastic Agents; Carbon Monoxide; Cell Line, Tumor; Cisplatin; Coordination Complexes; Dextrans; Dihydroxyphenylalanine; Energy Transfer; Ferric Compounds; Glucuronic Acid; Half-Life; HEK293 Cells; Hexuronic Acids; Horses; Hot Temperature; Humans; Kinetics; Magnetic Phenomena; Metal Nanoparticles; Myoglobin; Phenylalanine; Polyethylene Glycols; Polyethylenes; Quaternary Ammonium Compounds; Ruthenium; Solubility; Water | 2015 |
Stereoselective Nanozyme Based on Ceria Nanoparticles Engineered with Amino Acids.
Topics: Antiparkinson Agents; Catalysis; Cerium; Coenzymes; Dihydroxyphenylalanine; Humans; Kinetics; Levodopa; Metal Nanoparticles; Oxidation-Reduction; Particle Size; Phenylalanine; Stereoisomerism; Surface Properties | 2017 |
Self-assembly and biological activities of ionic liquid crystals derived from aromatic amino acids.
Topics: Amino Acids, Aromatic; Animals; Calorimetry, Differential Scanning; Cell Line; Dihydroxyphenylalanine; Guanidine; Ions; Liquid Crystals; Mice; Phase Transition; Phenylalanine; Scattering, Small Angle; Staphylococcus aureus; Thermodynamics; Transition Temperature; Tyrosine; X-Ray Diffraction | 2018 |