pteridines has been researched along with tyrosine in 72 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 60 (83.33) | 18.7374 |
1990's | 3 (4.17) | 18.2507 |
2000's | 9 (12.50) | 29.6817 |
2010's | 0 (0.00) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
---|---|
Kennedy, DR; Marshall, JM | 1 |
Besson, MJ; Giorguieff, MF; Glowinski, J; Westfall, TC | 1 |
Berry, HK; Hsieh, MC | 1 |
Kokolis, N; Ziegler, I | 1 |
Blair, JA; Green, A; Leeming, RJ; Raine, DN | 1 |
Zannoni, VG | 1 |
Benitez, HH; Côté, LJ; Murray, MR | 1 |
Bel, Y; Ferré, J | 1 |
Abou-Donia, MM; Nichol, CA; Viveros, OH; Wilson, SP; Zimmerman, TP | 1 |
Abell, CW; Hamilton-Byrd, EL; Kwan, SW; Shen, RS; Vulliet, PR | 1 |
Esumi, N; Hibi, S; Imashuku, S; Kodo, N; Morioka, Y; Todo, S | 1 |
Blonder, J; Cohen, BE; Normand, M; Peled, I; Quint, J; Szeinberg, A | 1 |
Güttler, F; Lou, HC; Lykkelund, C; Niederwieser, A; Rasmussen, V | 1 |
Hayaishi, O; Miwa, S; Watanabe, Y | 1 |
Fisher, DB; Kaufman, S | 2 |
Kuczenski, R | 1 |
Stone, KJ; Townsley, BH | 1 |
Abita, JP; Dorche, C; Kaufman, S | 1 |
D'Iorio, A; Mavrides, C; Whitlow, KJ | 1 |
Bagchi, SP; Zarycki, EP | 1 |
Ayling, JE; Helfand, GD | 1 |
Chan-Henry, E; Jakubovic, A; Woolf, LI | 2 |
Kaufman, S | 3 |
Benoiton, NL; D'Iorio, A; Tong, JH | 2 |
Poillon, WN | 1 |
Asashima, M; Kinoshita, S; Mizutani, K; Nagatsu, T | 1 |
Bjur, R; Cloutier, G; Pfeffer, RI; Weiner, N | 1 |
Coyle, JT | 1 |
Boadle-Biber, MC; Roth, RH | 1 |
Räihä, NC | 1 |
Ayling, JE; Boehm, GR; Pirson, RA; Textor, SC | 1 |
Cloutier, G; Weiner, N | 1 |
Mains, RE; Patterson, PH | 1 |
Bartholini, G; Kettler, R; Pletscher, A | 1 |
Creveling, CR; Daly, JW | 1 |
Hama, T; Ide, H | 1 |
McGeer, EG; McGeer, PL; Wada, JA | 1 |
Brase, DA; Westfall, TC | 1 |
D'Angelo, GL; McQueen, CA; Musacchio, JM | 1 |
Musacchio, JM | 1 |
Nagatsu, I; Nagatsu, T; Yamamoto, T | 1 |
Ellenbogen, L; Stubbs, CS; Taylor, RJ | 2 |
Goldstein, M; Joh, TH; Kapit, R | 1 |
Axelrod, J; Mueller, RA; Thoenen, H | 1 |
Pomerantz, SH | 1 |
Fahien, LA; Ikeda, M; Udenfriend, S | 1 |
Guroff, G; Rhoads, CA | 1 |
Ellenbogen, L; Taylor, RJ | 1 |
Britcher, SF; Kuehl, FA; Saari, WS; Williams, J; Wolf, DE | 1 |
Gibson, S; McGeer, EG; McGeer, PL | 1 |
Mandell, AJ; Russo, PV | 1 |
Lipson, A; O'Halloran, M; Potter, M; Wilken, B; Yu, J | 1 |
Iizuka, R; Kondo, T; Matsuura, S; Nagatsu, T; Narabayashi, H; Sugimoto, T; Yamaguchi, T | 1 |
Hennings, G; Rembold, H | 1 |
Baier-Bitterlich, G; Fuchs, D; Wede, I; Widner, B; Wirleitner, B | 1 |
Baier-Bitterlich, G; Böck, G; Fuchs, D; Widner, B; Wirleitner, B | 1 |
Grisham, MB; Koyama, S; Robbins, RA; Sato, E; Simpson, KL | 1 |
Hertel, C; Kusznir, EA; Mangold, M; Niederhauser, O; Schmidt, D; Schubenel, R | 1 |
Gieseg, SP; Glubb, D; Maghzal, G | 2 |
Johnson, KE; Rajagopalan, KV | 1 |
Chaube, R; Joy, KP | 1 |
Ziegler, I | 1 |
Bannink, M; Eggermont, AM; Fekkes, D; Kruit, WH; Mulder, PG; Stoter, G; Van Gool, AR; van Ojik, HH | 1 |
Chavan, B; Hafeez, I; Schallreuter, KU; Wood, JM | 1 |
Wojtasek, H | 1 |
3 review(s) available for pteridines and tyrosine
Article | Year |
---|---|
Modification of norepinephrine synthesis in intact tissue dy drugs and during short-term adrenergic nerve stimulation.
Topics: Animals; Bretylium Compounds; Catecholamines; Decarboxylation; Drug Interactions; Electric Stimulation; Guinea Pigs; Kinetics; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Neurons; Norepinephrine; Pargyline; Pteridines; Reserpine; Stress, Physiological; Sympathetic Nervous System; Sympathomimetics; Time Factors; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Assay of enzymes of catecholamine biosynthesis and metabolism.
Topics: Amino Alcohols; Animals; Carbon Isotopes; Catechols; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Epinephrine; Methods; Methyltransferases; Mixed Function Oxygenases; Monoamine Oxidase; Pargyline; Pteridines; Rats; S-Adenosylmethionine; Transferases; Tritium; Tyramine; Tyrosine | 1971 |
The pteridine pathway in zebrafish: regulation and specification during the determination of neural crest cell-fate.
Topics: Animals; Biopterins; Cell Lineage; Gene Expression Regulation, Developmental; GTP Cyclohydrolase; Guanosine Triphosphate; Melanophores; Models, Biological; Models, Chemical; Mutation; Neural Crest; Neurons; Phenotype; Pigments, Biological; Pteridines; Pterins; Signal Transduction; Time Factors; Tyrosine; Xanthine Dehydrogenase; Xanthine Oxidase; Xanthopterin; Zebrafish | 2003 |
1 trial(s) available for pteridines and tyrosine
Article | Year |
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Pegylated interferon-alpha2b treatment in melanoma patients: influence on amino acids, 5-hydroxyindolacetic acid and pteridine plasma concentrations.
Topics: Adult; Aged; Amino Acids; Biopterins; Drug Administration Schedule; Female; Humans; Hydroxyindoleacetic Acid; Injections, Subcutaneous; Interferon alpha-2; Interferon-alpha; Male; Melanoma; Middle Aged; Neopterin; Phenylalanine; Pilot Projects; Polyethylene Glycols; Pteridines; Randomized Controlled Trials as Topic; Recombinant Proteins; Time Factors; Tryptophan; Tyrosine | 2004 |
68 other study(ies) available for pteridines and tyrosine
Article | Year |
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Effects of ovarian steroids on in vitro kinetic properties of tyrosine hydroxylase from rabbit oviducts.
Topics: Animals; Castration; Estradiol; Female; Oviducts; Progesterone; Pteridines; Rabbits; Stereoisomerism; Substrate Specificity; Tyrosine; Tyrosine 3-Monooxygenase | 1978 |
The role of presynaptic receptors in the release and synthesis of 3H-dopamine by slices of rat striatum.
Topics: Animals; Benztropine; Catecholamines; Corpus Striatum; Dopamine; Fluphenazine; In Vitro Techniques; Potassium; Pteridines; Rats; Receptors, Neurotransmitter; Synaptosomes; Tyrosine | 1976 |
Distribution of phenylalanine hydroxylase (EC 1.14.3.1) in liver and kidney of vertebrates.
Topics: Animals; Animals, Newborn; Biopterins; Humans; Kidney; Liver; Phenylalanine Hydroxylase; Pteridines; Species Specificity; Tyrosine | 1979 |
On the levels of phenylalanine, tyrosine and tetrahydrobiopterin in the blood of tumor-bearing organisms.
Topics: Animals; Biopterins; Blood Proteins; Female; Humans; Hydroxylation; Male; Neoplasms; Neoplasms, Experimental; Phenylalanine; Protein Binding; Pteridines; Rats; Tyrosine | 1977 |
Biopterin derivatives in normal and phenylketonuric patients after oral loads of L-phenylalanine, L-tyrosine, and L-tryptophan.
Topics: Administration, Oral; Adolescent; Adult; Biopterins; Child, Preschool; Chromatography, Thin Layer; Humans; Infant; Infant, Newborn; Phenylalanine; Phenylketonurias; Pteridines; Tryptophan; Tyrosine | 1976 |
Liver phenylalanine hydroxylase assay.
Topics: Animals; Colorimetry; Guinea Pigs; Humans; Liver; Methods; Mice; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Rats; Tyrosine | 1976 |
Biosynthesis of catecholamines in organotypic cultures of peripheral autonomic nervous system: modifications by biopterin and other agents.
Topics: Animals; Biopterins; Catecholamines; Chick Embryo; Culture Techniques; Ganglia, Autonomic; Histocytochemistry; Methyltyrosines; Microscopy, Fluorescence; Nerve Tissue Proteins; Organ Specificity; Pteridines; Reserpine; Stimulation, Chemical; Tyrosine | 1975 |
Regulation of pteridine biosynthesis and aromatic amino acid hydroxylation in Drosophila melanogaster.
Topics: Amino Acids; Animals; Drosophila melanogaster; Hydroxylation; Mutation; Phenylalanine; Pteridines; Tryptophan; Tyrosine | 1989 |
Regulation of guanosine triphosphate cyclohydrolase and tetrahydrobiopterin levels and the role of the cofactor in tyrosine hydroxylation in primary cultures of adrenomedullary chromaffin cells.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Adrenal Medulla; Aminohydrolases; Animals; Biopterins; Catecholamines; Cattle; Cells, Cultured; Chromaffin System; Cyclic AMP; GTP Cyclohydrolase; Pteridines; Pterins; Serotonin; Tyrosine; Tyrosine 3-Monooxygenase | 1986 |
A simplified 14CO2-trapping microassay for tyrosine hydroxylase activity.
Topics: Animals; Chemical Phenomena; Chemistry; Corpus Striatum; Ferrous Compounds; Hydrogen-Ion Concentration; Male; Pteridines; Rats; Rats, Inbred Strains; Synaptosomes; Tyrosine; Tyrosine 3-Monooxygenase | 1986 |
Abnormal serum phenylalanine-tyrosine ratio and hyperferritinemia in malignant histiocytosis.
Topics: Adolescent; Child; Child, Preschool; Female; Ferritins; Histiocytic Sarcoma; Humans; Infant; L-Lactate Dehydrogenase; Leukemia, Myeloid, Acute; Male; Measles; Phenylalanine; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Pteridines; Tyrosine | 1988 |
Malignant phenylketonuria due to defective synthesis of dihydrobiopterin.
Topics: 5-Hydroxytryptophan; Biopterins; Carbidopa; Drug Combinations; Female; Humans; Infant, Newborn; Levodopa; Male; Nervous System Diseases; Phenylalanine; Phenylketonurias; Pteridines; Tyrosine | 1985 |
Biopterin, neopterin and tyrosine responses to combined oral phenylalanine and tetrahydrobiopterin loading tests in two normal children and in a girl with partial biopterin deficiency.
Topics: Administration, Oral; Biopterins; Child; Female; Humans; Neopterin; Phenylalanine; Pteridines; Tyrosine | 1985 |
6R-L-erythro-5,6,7,8-tetrahydrobiopterin as a regulator of dopamine and serotonin biosynthesis in the rat brain.
Topics: Animals; Biopterins; Brain; Dopamine; Hydroxylation; Isomerism; Probenecid; Pteridines; Rats; Serotonin; Time Factors; Tryptophan; Tyrosine | 1985 |
Tetrahydropterin oxidation without hydroxylation catalyzed by rat liver phenylalanine hydroxylase.
Topics: Animals; Azides; Carbon Isotopes; Catalase; Catalysis; Chymotrypsin; Free Radicals; Hydroxylation; Kinetics; Liver; Lysophosphatidylcholines; NADP; Oxidation-Reduction; Oxygen; Oxygen Consumption; Peroxidases; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Pyruvates; Rats; Sodium; Stereoisomerism; Tyrosine; Uncoupling Agents | 1973 |
Soluble, membrane-bound, and detergent-solubilized rat striatal tyrosine hydroxylase. pH-dependent cofactor binding.
Topics: Animals; Basal Ganglia; Binding Sites; Caudate Nucleus; Cold Temperature; Dose-Response Relationship, Drug; Drug Stability; Globus Pallidus; Heparin; Hydrogen-Ion Concentration; Kinetics; Male; Membranes; Protein Conformation; Pteridines; Rats; Solubility; Surface-Active Agents; Synaptic Membranes; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
The effect of L-ascorbate on catecholamine biosynthesis.
Topics: Animals; Ascorbic Acid; Carbon Isotopes; Catecholamines; Female; Liver; NADP; Oxidation-Reduction; Phenylalanine Hydroxylase; Pteridines; Rats; Time Factors; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1973 |
Futher studies on the nature of phenylalanine hydroxylation in brain.
Topics: Animals; Animals, Newborn; Brain; Carbon Radioisotopes; Chromatography, Thin Layer; Female; Hydroxylation; Liver; Methods; Monoiodotyrosine; Phenylalanine; Phenylalanine Hydroxylase; Propylene Glycols; Pteridines; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
The conversion of phenylalanine to tyrosine in Tetrahymena pyriformis.
Topics: Acetates; Animals; Carbon Isotopes; Cell-Free System; Chromatography, Paper; Culture Media; Glucose; Guanine Nucleotides; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Spectrophotometry; Stereoisomerism; Tetrahymena pyriformis; Tritium; Tyrosine | 1973 |
Hydroxylation of phenylalanine by various areas of brain in vitro.
Topics: Animals; Brain; Brain Stem; Carbon Isotopes; Catecholamines; Caudate Nucleus; Fenclonine; Hydroxylation; Hypothalamus; Lung; Methyltyrosines; Phenylalanine; Phenylalanine Hydroxylase; Pineal Gland; Pteridines; Rats; Spleen; Thalamus; Tyrosine | 1972 |
Inhibition of phenylalanine hydroxylase by p-chlorophenylalanine; dependence on cofactor structure.
Topics: Binding Sites; Catalase; Fenclonine; Hydrogen-Ion Concentration; Kinetics; Liver; Phenylalanine; Phenylalanine Hydroxylase; Propylene Glycols; Protein Binding; Pteridines; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Temperature; Tyrosine | 1974 |
The inactivation of phenylalanine hydroxylase by 2-amino-4-hydroxy-6,7-dimethyltetrahydropteridine and the aerobic oxidation of the latter. The effects of catalase, dithiothreitol and reduced nicotinamide-adenine dinucleotide.
Topics: Air; Animals; Catalase; Coenzymes; Dithiothreitol; Hydrogen Peroxide; Liver; Liver Extracts; Mice; Mixed Function Oxygenases; NAD; Oxidation-Reduction; Peroxides; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Rats; Tyrosine | 1971 |
The role of pteridine cofactors in mixed function oxidases.
Topics: Adrenal Glands; Animals; Cattle; Liver; Mixed Function Oxygenases; NADP; Phenylalanine; Pteridines; Rats; Tyrosine | 1968 |
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 |
Kinetic properties of brain tyrosine hydroxylase and its partial purification by affinity chromatography.
Topics: Ammonium Sulfate; Animals; Carbon Isotopes; Caudate Nucleus; Chemical Phenomena; Chemistry; Chromatography; Cyanides; Enzyme Activation; Filtration; Hydroxylamines; Iron; Kinetics; Mixed Function Oxygenases; Monoiodotyrosine; Phenols; Polysaccharides; Pteridines; Sheep; Surface-Active Agents; Tyrosine; Tyrosine 3-Monooxygenase | 1971 |
Inhibition of tyrosine hydroxylase by naphthoquinone pigments of echinoids.
Topics: Animals; Carbon Isotopes; Echinodermata; Iron; Kinetics; Naphthoquinones; Pigments, Biological; Pteridines; Spectrophotometry, Ultraviolet; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Tyrosine hydroxylase in rat brain--cofactor requirements, regional and subcellular distribution.
Topics: Animals; Brain; Brain Chemistry; Cerebellum; Cerebral Cortex; Chromatography, Thin Layer; Coenzymes; Corpus Striatum; Dihydroxyphenylalanine; Dimethylphenylpiperazinium Iodide; Female; Hypothalamus; Kinetics; Medulla Oblongata; Mesencephalon; Oxidoreductases; Pons; Proteins; Pteridines; Rats; Sheep; Subcellular Fractions; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1972 |
Effect of drugs on the synthesis of noradrenaline in guinea-pig vas deferens.
Topics: Animals; Bretylium Compounds; Carbon Isotopes; Catecholamines; Cattle; Dihydroxyphenylalanine; Guinea Pigs; In Vitro Techniques; Male; Nerve Tissue; Norepinephrine; Pargyline; Pteridines; Reserpine; Time Factors; Tyramine; Tyrosine; Vas Deferens | 1972 |
Phenylalanine hydoxylase in human liver during development.
Topics: Adult; Birth Weight; Carbon Isotopes; Female; Fetus; Gestational Age; Humans; Infant, Newborn; Infant, Premature; Liver; Male; Phenylalanine Hydroxylase; Pteridines; Temperature; Time Factors; Tyrosine | 1973 |
Kinetics of phenylalanine hydroxylase with analogs of tetrahydrobiopterin.
Topics: Aminobenzoates; Aminopterin; Ammonium Sulfate; Animals; Binding Sites; Catalysis; Dialysis; Glutamates; Ketones; Kinetics; Liver; Oxidation-Reduction; Phenylalanine Hydroxylase; Protamines; Pteridines; Rats; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Sulfuric Acids; Tyrosine; Ultrafiltration | 1973 |
Further studies on the increased synthesis of norepinephrine during nerve stimulation of guinea-pig vas deferens preparation: effect of tyrosine and 6, 7-dimethyltetrahydropterin.
Topics: Animals; Catecholamines; Dopamine; Electric Stimulation; Guinea Pigs; Male; Neurons; Norepinephrine; Pteridines; Tritium; Tyrosine; Vas Deferens | 1973 |
Primary cultures of dissociated sympathetic neurons. II. Initial studies on catecholamine metabolism.
Topics: Animals; Ascorbic Acid; Catecholamines; Cells, Cultured; Dopamine; Ganglia, Autonomic; Kinetics; Neurons; Norepinephrine; Phenylalanine; Pteridines; Rats; Time Factors; Tyrosine | 1973 |
In vivo enhancement of tyrosine hydroxylation in rat striatum by tetrahydrobiopterin.
Topics: Animals; Brain Chemistry; Catecholamines; Cerebral Ventricles; Corpus Striatum; Dopamine; Hydroxylation; Injections; Male; Methyltyrosines; Propylene Glycols; Pteridines; Rats; Stimulation, Chemical; Tritium; Tyrosine | 1974 |
Tyrosinase activity of the melanin and pteridine granules in goldfish chromatophores.
Topics: Animals; Catechol Oxidase; Centrifugation, Density Gradient; Chromatophores; Cyprinidae; Fluorescence; Histocytochemistry; Melanins; Pteridines; Species Specificity; Tyrosine | 1969 |
Distribution of tyrosine hydroxylase in human and animal brain.
Topics: Adult; Animals; Autopsy; Basal Ganglia; Brain; Carbon Isotopes; Caudate Nucleus; Child; Child, Preschool; Enzyme Activation; Haplorhini; Humans; Male; Middle Aged; Mixed Function Oxygenases; Pteridines; Substantia Nigra; Tyrosine | 1971 |
The non-enzymic hydroxylation of phenylalanine to tyrosine by 2-amino-4-hydroxy-6,7-dimethyl-5,6,7,8-tetrahydropteridine.
Topics: Air; Carbon Isotopes; Catalase; Chemical Phenomena; Chemistry; Chromatography, Paper; Coenzymes; Cyanides; Dihydroxyphenylalanine; Edetic Acid; Hydrogen Peroxide; Hydroxylation; Iron; Peroxides; Phenylalanine; Phenylalanine Hydroxylase; Pteridines; Sulfhydryl Compounds; Tyrosine | 1971 |
Stimulation of rat liver phenylalanine hydroxylase activity by derivatives of vitamin E.
Topics: Animals; Carbon Isotopes; Centrifugation; Humans; Kinetics; Liver; Male; Mixed Function Oxygenases; Phenylalanine; Phenylalanine Hydroxylase; Phenylketonurias; Phosphoric Acids; Pteridines; Rats; Sodium Dodecyl Sulfate; Structure-Activity Relationship; Succinates; Tyrosine; Ultracentrifugation; Vitamin E | 1972 |
Dihydropteridine reductase: implication on the regulation of catecholamine biosynthesis.
Topics: Adrenal Glands; Animals; Catecholamines; Cattle; Dihydroxyphenylalanine; Epinephrine; Feedback; Hydrolases; In Vitro Techniques; Methotrexate; Oxidoreductases; Pteridines; Spectrophotometry; Tyrosine | 1971 |
Beef adrenal medulla dihydropteridine reductase.
Topics: Adrenal Medulla; Animals; Carbon Isotopes; Cattle; Centrifugation; Chemical Phenomena; Chemical Precipitation; Chemistry; Dihydroxyphenylalanine; Liver; Methods; Mixed Function Oxygenases; Oxidoreductases; Pteridines; Quaternary Ammonium Compounds; Rats; Tritium; Tyrosine | 1969 |
Partial separation and properties of tyrosine hydroxylase from the human pheochromocytoma: effect of norepinephrine.
Topics: Adrenal Medulla; Animals; Cattle; Charcoal; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography; Dopamine; Enzyme Activation; Epinephrine; Fluorescence; Humans; Iron; Kinetics; Mixed Function Oxygenases; Norepinephrine; Pheochromocytoma; Pteridines; Quaternary Ammonium Compounds; Species Specificity; Sulfates; Tyrosine | 1970 |
The effect of enzyme concentration, ionic strength, and temperature on the stoichiometry of the phenylalanine hydroxylase reaction.
Topics: Kinetics; Mixed Function Oxygenases; Osmolar Concentration; Phenylalanine; Pteridines; Temperature; Tyrosine | 1970 |
Tyrosine hydroxylase inhibition in vitro and in vivo by deoxyfrenolicin.
Topics: Acetamides; Adrenal Glands; Adrenal Medulla; Animals; Anti-Bacterial Agents; Cattle; Chemical Precipitation; Iron; Kinetics; Male; Methyltyrosines; Mixed Function Oxygenases; Monoiodotyrosine; Naphthoquinones; Oxazoles; Pteridines; Pyridines; Pyrroles; Quaternary Ammonium Compounds; Rats; Sulfates; Tritium; Tyrosine; Ultracentrifugation | 1970 |
Tyrosine hydroxylase inhibition in vitro and in vivo by chelating agents.
Topics: Adrenal Glands; Animals; Brain; Catecholamines; Cattle; Chelating Agents; Heart; Iron; Male; Mixed Function Oxygenases; Myocardium; Norepinephrine; Phenanthrolines; Pteridines; Pyridinium Compounds; Rats; Triazines; Tritium; Tyrosine | 1969 |
A kinetic study of particulate bovine adrenal tyrosine hydroxylase.
Topics: Adrenal Glands; Animals; Cattle; Kinetics; Mixed Function Oxygenases; Oxygen; Pteridines; Tyrosine | 1969 |
Increase in tyrosine hydroxylase activity after reserpine administration.
Topics: Adrenal Glands; Animals; Brain Stem; Ganglia, Spinal; Guinea Pigs; Kinetics; Male; Mice; Mixed Function Oxygenases; Pteridines; Rabbits; Rats; Reserpine; Species Specificity; Tyrosine | 1969 |
Tyrosine hydroxylation catalyzed by mammalian tyrosinase: an improved method of assay.
Topics: Animals; Cricetinae; Dihydroxyphenylalanine; In Vitro Techniques; Kinetics; Melanoma; Neoplasms, Experimental; Pteridines; Tyrosine; Tyrosine Decarboxylase | 1964 |
Coenzymes and hydroxylases: ascorbate and dopamine-beta-hydroxylase; tetrahydropteridines and phenylalanine and tyrosine hydroxylases.
Topics: Ascorbic Acid; Coenzymes; Dopamine; Mixed Function Oxygenases; Norepinephrine; Phenylalanine; Pteridines; Tyrosine | 1966 |
A kinetic study of bovine adrenal tyrosine hydroxylase.
Topics: Adrenal Glands; Animals; Cattle; Dihydroxyphenylalanine; In Vitro Techniques; Kinetics; Mixed Function Oxygenases; Oxygen; Pteridines; Tyrosine | 1966 |
Phenylalanine hydroxylase from Pseudomonas species (ATCC 11299a). Purification of the enzyme and activation by various metal ions.
Topics: Cadmium; Chemical Phenomena; Chemistry; Chromatography; Copper; Hot Temperature; Iron; Mercury; Mixed Function Oxygenases; Molecular Weight; Oxygen; Phenylalanine; Pseudomonas; Pteridines; Tyrosine | 1967 |
Inhibition of tyrosine hydroxylase by pyrroloisoxazoles.
Topics: Adrenal Medulla; Animals; Cattle; Chemical Phenomena; Chemistry; Enzymes; In Vitro Techniques; Iron; Mixed Function Oxygenases; Oxazoles; Pteridines; Pyrroles; Tyrosine | 1967 |
Tyrosine hydroxylase inhibitors. Synthesis and activity of substituted aromatic amino acids.
Topics: Adrenal Glands; Animals; Carbon Isotopes; Cattle; In Vitro Techniques; Oxidoreductases; Phenylalanine; Pteridines; Tyrosine | 1967 |
Some characteristics of brain tyrosine hydroxylase.
Topics: Adrenal Glands; Animals; Brain; Carbon Isotopes; Cats; Cattle; Hydrogen-Ion Concentration; Kinetics; Mercaptoethanol; Mixed Function Oxygenases; Protein Binding; Pteridines; Rats; Stimulation, Chemical; Tyrosine | 1967 |
A kinetic scattering approach to the non-linear instabilities of rat brain tyrosine hydroxylase preparations at several levels of tetrahydrobiopterin cofactor demonstrates evolutionary behavior characteristic of global dynamical systems.
Topics: Animals; Biological Evolution; Biopterins; Corpus Striatum; Kinetics; Male; Models, Chemical; Pteridines; Rats; Rats, Inbred Strains; Substantia Nigra; Tyrosine; Tyrosine 3-Monooxygenase | 1984 |
Dihydropteridine reductase deficiency: non-response to oral tetrahydrobiopterin load test.
Topics: Biopterins; Female; Fibroblasts; Humans; Infant; Lymphocytes; NADH, NADPH Oxidoreductases; Phenylalanine; Phenylketonurias; Pteridines; Tyrosine | 1984 |
Effects of tyrosine administration on serum biopterin in normal controls and patients with Parkinson's disease.
Topics: Administration, Oral; Adrenal Glands; Alanine; Animals; Biopterins; Corpus Striatum; Humans; Injections, Intraperitoneal; Liver; Male; Parkinson Disease; Pteridines; Rats; Rats, Inbred Strains; Time Factors; Tyrosine | 1983 |
Regional and subcellular distribution of biopterin in the rat.
Topics: Animals; Biopterins; Carbon Radioisotopes; Hydroxylation; Male; Mitochondria; Pteridines; Rats; Rats, Inbred Strains; Tissue Distribution; Tyrosine | 1982 |
Neopterin derivatives modulate the nitration of tyrosine by peroxynitrite.
Topics: Hydrogen-Ion Concentration; Neopterin; Nitrates; Nitro Compounds; Pteridines; Pterins; Spectrophotometry; Tyrosine | 1998 |
7,8-Dihydroneopterin-induced apoptosis in Jurkat T lymphocytes: a comparison with anti-Fas- and hydrogen peroxide-mediated cell death.
Topics: Antibodies; Apoptosis; fas Receptor; Humans; Hydrogen Peroxide; Jurkat Cells; Neopterin; Phosphorylation; Pteridines; Tyrosine | 1998 |
Effects of reactive oxygen and nitrogen metabolites on RANTES- and IL-5-induced eosinophil chemotactic activity in vitro.
Topics: Chemokine CCL5; Chemotaxis; Deferoxamine; Dithiothreitol; Dose-Response Relationship, Drug; Eosinophils; Humans; Hydrazines; Interleukin-5; Leukotriene B4; Molsidomine; Nitrates; Nitric Oxide; Nitrogen; Pteridines; Reactive Oxygen Species; Superoxides; Tyrosine; Xanthine | 1999 |
NGF ligand alters NGF signaling via p75(NTR) and trkA.
Topics: Animals; Apoptosis; Cell Survival; Choline O-Acetyltransferase; Flavins; Humans; Ligands; Nerve Growth Factor; Neurites; PC12 Cells; Phosphorylation; Protein Conformation; Pteridines; Rats; Receptor, Nerve Growth Factor; Receptor, trkA; Tumor Cells, Cultured; Tyrosine | 2000 |
Inhibition of haemolysis by the macrophage synthesized antioxidant, 7,8-dihydroneopterin.
Topics: Animals; Antioxidants; Erythrocyte Membrane; Hemolysis; In Vitro Techniques; Kinetics; Macrophages; Neopterin; Pteridines; Swine; Tyrosine | 2000 |
Protection of erythrocytes by the macrophage synthesized antioxidant 7,8 dihydroneopterin.
Topics: Amidines; Animals; Blood Proteins; Chromatography, High Pressure Liquid; Erythrocyte Membrane; Erythrocytes; Hemolysis; Humans; Hydrogen Peroxide; Hypochlorous Acid; Interferon-gamma; Lipid Peroxidation; Macrophages; Neopterin; Oxidation-Reduction; Pteridines; Swine; Tyrosine | 2001 |
An active site tyrosine influences the ability of the dimethyl sulfoxide reductase family of molybdopterin enzymes to reduce S-oxides.
Topics: Amino Acid Sequence; Amino Acid Substitution; Binding Sites; Chromatography, Affinity; Chromatography, Ion Exchange; Cloning, Molecular; Coenzymes; Escherichia coli; Genetic Variation; Iron-Sulfur Proteins; Kinetics; Metalloproteins; Models, Molecular; Molecular Sequence Data; Molybdenum Cofactors; Mutagenesis, Site-Directed; Oxidation-Reduction; Oxides; Oxidoreductases; Protein Conformation; Pteridines; Recombinant Proteins; Rhodobacter sphaeroides; Sequence Alignment; Sequence Homology, Amino Acid; Spectrophotometry; Tyrosine | 2001 |
Effects of ovariectomy and oestradiol-17beta replacement on brain tyrosine hydroxylase in the catfish Heteropneustes fossilis: changes in in vivo activity and kinetic parameters.
Topics: Animals; Brain; Catfishes; Estradiol; Female; Hypothalamus; Kinetics; Medulla Oblongata; Ovariectomy; Pteridines; Telencephalon; Tyrosine; Tyrosine 3-Monooxygenase | 2002 |
THE ROLE OF PTERIDINES IN THE ENZYMATIC CONVERSION OF PHENYLALANINE TO TYROSINE.
Topics: Coenzymes; Dihydroxyphenylalanine; Humans; Liver; Metabolism; Nucleotides; Phenylalanine; Pteridines; Pterins; Tyrosine | 1964 |
Regulation of tyrosinase by tetrahydropteridines and H2O2.
Topics: Binding Sites; Biopterins; Enzyme Activation; Enzyme Inhibitors; Hydrogen Peroxide; Monophenol Monooxygenase; Oxidation-Reduction; Protein Binding; Pteridines; Tyrosine | 2004 |
Regulation of tyrosinase by tetrahydropteridines--what is real? A comment on the work published by Wood et al. on December 24, 2004.
Topics: Animals; Binding Sites; Biopterins; Enzyme Activation; Enzyme Inhibitors; Humans; Hydrogen Peroxide; Monophenol Monooxygenase; Oxidation-Reduction; Protein Binding; Pteridines; Tyrosine | 2005 |