3,4-dihydroxyphenylacetic acid has been researched along with tyrosine in 125 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 53 (42.40) | 18.7374 |
| 1990's | 43 (34.40) | 18.2507 |
| 2000's | 24 (19.20) | 29.6817 |
| 2010's | 5 (4.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Lorenzo, AV; Snodgrass, SR; Uretsky, NJ | 1 |
| Lapierre, YD; Rastogi, RB; Singhal, RL | 1 |
| Blakley, ER | 1 |
| Biggio, G; Gessa, GL; Porceddu, ML | 1 |
| Nowycky, MC; Roth, RH; Walters, JR | 1 |
| Awazi, N; Guldberg, HC | 1 |
| Algeri, S; Cattabeni, F; Di Giulio, AM; Galli, CL; Groppetti, A; Ponzio, F | 1 |
| Fernstrom, JD; Sved, AF; Wurtman, RJ | 1 |
| Fell, V; Greenway, AM; Hoskins, JA | 1 |
| Braestrup, C; Nielsen, M | 2 |
| Ekel, TM; Hearing, VJ | 1 |
| Algeri, S; Cattabeni, F; Di Giulio, AM; Galli, CL; Groppetti, A; Ponzio, F; Spano, PF | 1 |
| Biggio, G; Fratta, W; Gessa, GL; Porceddu, ML | 1 |
| Chapman, PJ; Sparnins, VL | 1 |
| Maître, L; Waldmeier, PC | 1 |
| Bradford, HF; De Belleroche, JS; Jones, DG | 1 |
| Balasubramaniam, A; Chance, WT; Fischer, JE; Thomas, I | 1 |
| Gobert, A; Guibert, B; Kerdelhue, B; Lenoir, V; Leviel, V | 1 |
| Melamed, E | 1 |
| Afonso, D; Arevalo, R; Rodriguez, M; Santana, C | 1 |
| Lindén, IB; Nissinen, E; Pohto, P; Schultz, E | 1 |
| Bjurling, P; Gillberg, PG; Långström, B; Miwa, S; Odano, I; Watanabe, Y; Yumoto, N | 1 |
| Kaakkola, S; Männistö, PT; Tuomainen, P; Wurtman, RJ | 1 |
| Cheng, GF; Dinger, B; Fidone, S; Wang, WJ; Yoshizaki, K | 1 |
| Jenner, P; Marsden, CD; Rose, S | 2 |
| Afonso, D; Castellanos, MA; Rodriguez, M | 1 |
| Meyer, JS; Woods, SK | 1 |
| Wikberg, T | 1 |
| Gobert, A; Guibert, B; Leviel, V | 1 |
| Antonin, KH; Bieck, PR; Nilsson, E | 1 |
| Bordet, S; Commissiong, JW; Karoum, F; Zhang, C | 1 |
| Chance, WT; Fischer, JE; Foley-Nelson, T; Nelson, JL | 1 |
| Commissiong, JW; Slimovitch, C; Toffano, G | 1 |
| Bradberry, CW; Elsworth, JD; Roth, RH; Tam, SY | 1 |
| Holzbauer, M; Racké, K | 1 |
| Freeman, GB; Gibson, GE; Nielsen, P | 1 |
| Curzon, G; Kennett, GA; Marcou, M | 1 |
| Guan, XM; McBride, WJ | 1 |
| Spector, AA; Strom, DK; Yorek, MA | 1 |
| Itoh, T; Masuda, Y; Murai, S; Saito, H | 1 |
| Algeri, S; De Simoni, MG; Diomede, L; Fodritto, F; Garattini, S; Perego, C; Raimondi, L; Salmona, M | 1 |
| Cohen, Y; el Gemayel, G; Jacquot, C; Prioux-Guyonneau, M; Trouvin, JH | 1 |
| Gibson, CJ | 3 |
| Buu, NT; Cantin, M; Debinski, W; Genest, J; Kuchel, O | 1 |
| Bretton, C; Hof, P; Ofori, S; Schorderet, M | 1 |
| Armengaud, C; Leitner, LM; Malber, CH; Roumy, M; Ruckebusch, M; Sutra, JF | 1 |
| Acworth, IN; During, MJ; Wurtman, RJ | 1 |
| Guibert, B; Leviel, V | 1 |
| Bennett, BA; Freed, CR | 1 |
| Arevalo, R; Castro, R; Diaz-Palarea, MD; Gonzalez, MC; Rodriguez, M | 1 |
| Kuriyama, K; Nishimura, C | 1 |
| Rorie, DK; Tyce, GM | 1 |
| Greenland, RD; Lasley, SM; Michaelson, IA; Minnema, DJ | 1 |
| Fuller, RW; Snoddy, HD | 1 |
| Gibson, CJ; Watkins, CJ; Wurtman, RJ | 1 |
| Badawy, AA; Evans, M; Williams, DL | 1 |
| Bruntlett, CS; Kissinger, PT; Shoup, RE | 1 |
| Huot, S; Palfreyman, MG; Vitali, P; Wagner, J; Zraika, M | 1 |
| Brown, JW; Thurmond, JB | 1 |
| Brown, JW; Kramarcy, NR; Thurmond, JB | 1 |
| Aguado, EG; de Yebenes, JG; Mena, MA | 1 |
| Hefti, F; Melamed, E; Wurtman, RJ | 1 |
| de Jong, J; Moleman, P; Tjaden, U; van Berkum, H; van der Krogt, J; van Valkenburg, C | 1 |
| Fidone, S; Gonzalez, C; Gonzalez, E; Rigual, R | 1 |
| Greenway, AM; Hoskins, JA | 1 |
| Ishizuka, B; Quigley, ME; Rasmussen, DD; Yen, SS | 1 |
| Fahn, S; Reches, A | 1 |
| Deleu, D; Ebinger, G; Michotte, Y; Sarre, S; Van Belle, K | 1 |
| Kaakkola, S; Kask, A; Männistö, PT; Törnwall, M; Tuomainen, P | 1 |
| Bengtsson, F; Bergqvist, PB; Bosman, DK; Chamuleau, RA; Hjorth, S; Maas, MA; Vogels, BA | 1 |
| Bertrand, A; Weil-Fugazza, J | 1 |
| Abe, T; Saheki, M; Takahashi, S; Tohgi, H; Tsukamoto, Y; Yamazaki, K | 1 |
| Aguirre, J; Armando, I; Barontini, M; Nowicki, S | 1 |
| Acworth, IN; Gamache, P; Murayama, K; Ryan, E; Svendsen, C | 1 |
| Hashiguti, H; Ikeda, T; Maruyama, W; Nakahara, D; Naoi, M | 1 |
| Alford, M; Galasko, D; Hansen, L; Langlais, PJ; Masliah, E; Thal, L | 1 |
| Deleu, D; Ebinger, G; Michotte, Y; Sarre, S | 1 |
| Baraldo, M; Benetello, P; Furlanut, M; Hassan, E; Zara, G | 1 |
| Gordin, A; Harjola, VP; Karlsson, M; Keränen, T; Korpela, K; Pentikäinen, PJ; Rita, H; Seppälä, L; Wikberg, T | 1 |
| Goeders, NE; Smith, JE | 1 |
| Chang, WY; Webster, RA | 1 |
| Elsworth, JD; Morrow, BA; Roth, RH | 1 |
| Castillo, J; Lema, M; Martínez, F; Naveiro, J; Noya, M; Suárez, C | 1 |
| Avraham, Y; Berry, EM; Bonne, O | 1 |
| Achilli, G; Banting, A; Banting, S; Le Bars, D; Weil-Fugazza, J | 1 |
| Brannan, T; Prikhojan, A; Yahr, MD | 1 |
| Almaraz, L; Dinger, B; Fidone, S; Gómez-Niño, MA; González, C; Obeso, A | 1 |
| Crevoisier, C; Dingemanse, J; Kleinbloesem, CH; Wood, ND; Zürcher, G | 1 |
| Kuchel, O | 1 |
| Beal, MF; Hyman, BT; Klockgether, T; Liao, AW; Martinou, JC; Matthews, RT; Penney, JB; Schulz, JB; Yang, L | 1 |
| Ali, SF; Crow, JP; Imam, SZ; Islam, F; Newport, GD; Slikker, W | 1 |
| Gobert, A; Guibert, B; Leviel, V; Olivier, V | 1 |
| Andersen, JK; Andreassen, OA; Beal, MF; Bogdanov, M; Dedeoglu, A; Ferrante, RJ; Jiang, D; Klivenyi, P; Lancelot, E; Mueller, G | 1 |
| Gonzalez, C; Obeso, A; Rigual, R; Vicario, I | 1 |
| Jackson, M; Jenner, P; Treseder, SA | 1 |
| Büyükuysal, RL; Moğol, E | 1 |
| DeJesus, OT; Stein, TD | 1 |
| Ali, SF; Imam, SZ; Islam, F; Itzhak, Y; Slikker, W | 1 |
| Jenner, P; Rose, S; Treseder, SA | 1 |
| Eklundh, T; Gunnarsson, T; Nordin, C | 1 |
| Lavrikova, EV; Pozdeyev, NV | 1 |
| Hainzl, D; Loureiro, AI; Parada, A; Soares-da-Silva, P; Vieira-Coelho, MA | 1 |
| Ali, SF; Imam, SZ | 1 |
| Buhmann, C; Oechsner, M; Strauss, J; Stuerenburg, HJ | 1 |
| Geddes, TJ; Javitch, JA; Kuhn, DM; Park, S | 1 |
| Schmidt, WJ; Srinivasan, J | 2 |
| Bergquist, J; Markides, KE; Sjöberg, PJ; Törnkvist, A | 1 |
| Selley, ML | 1 |
| Copeland, BJ; Hadjiconstantinou, M; Neff, NH | 1 |
| Cowen, P; Le Masurier, M; Lehman, C; Oldenzeil, W; Sharp, T | 1 |
| Bongiovanni, R; Jaskiw, GE; Kirkbride, B; Walmire, P | 1 |
| Nishino, SF; Spain, JC | 1 |
| Carl, JL; Karimi, M; Loftin, S; Perlmutter, JS | 1 |
| Cohen, DE; Colabroy, KL; Hackett, WT; Jacobson, A; Markham, AJ; Rosenberg, J | 1 |
| Ali, S; Duhart, H; Lyn-Cook, BD; Newport, G; Tareke, E | 1 |
| Baker, H; Morgan, LD; Patel, BA; Yeoman, MS | 1 |
| Bongiovanni, R; Jaskiw, GE; Kyser, AN | 1 |
| Lipscomb, JD; Mbughuni, MM; Meier, KK; Münck, E | 1 |
| Arrant, AE; Kuhn, CM; Sánchez, CL; Van Swearingen, AE; Zepf, FD | 1 |
| Álvarez-Cilleros, D; Martín, MÁ; Ramos, S | 1 |
2 review(s) available for 3,4-dihydroxyphenylacetic acid and tyrosine
| Article | Year |
|---|---|
The dopaminergic innervation of the intermediate lobe and of the neural lobe of the pituitary gland.
Topics: 3-Methoxy-4-hydroxyphenylethanol; 3,4-Dihydroxyphenylacetic Acid; Animals; Catechol O-Methyltransferase; Dopa Decarboxylase; Dopamine; Dopamine Antagonists; Electric Stimulation; Electrophysiology; Histocytochemistry; Homovanillic Acid; Hydroxyindoleacetic Acid; Monoamine Oxidase; Neurons; Oxytocin; Pargyline; Pituitary Gland, Posterior; Rats; Receptors, Dopamine; Sodium Chloride; Tissue Distribution; Tritium; Tyrosine; Tyrosine 3-Monooxygenase; Vasopressins; Water Deprivation | 1985 |
Neurochemical applications of liquid chromatography with electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Catechol O-Methyltransferase; Catecholamines; Chromatography, Liquid; Dopamine beta-Hydroxylase; Electrochemistry; Homovanillic Acid; Hydroxyindoleacetic Acid; Metanephrine; Methoxyhydroxyphenylglycol; Serotonin; Tryptophan; Tyrosine | 1981 |
1 trial(s) available for 3,4-dihydroxyphenylacetic acid and tyrosine
| Article | Year |
|---|---|
Pharmacodynamics of benserazide assessed by its effects on endogenous and exogenous levodopa pharmacokinetics.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Antiparkinson Agents; Benserazide; Carboxy-Lyases; Dose-Response Relationship, Drug; Drug Interactions; Enzyme Inhibitors; Humans; Levodopa; Male; Middle Aged; Tyrosine | 1997 |
122 other study(ies) available for 3,4-dihydroxyphenylacetic acid and tyrosine
| Article | Year |
|---|---|
Studies on the mechanism of depletion of striatal dopamine by alpha-methyl-m-tyrosine.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Benserazide; Brocresine; Corpus Striatum; Dopamine; Homovanillic Acid; In Vitro Techniques; Male; Methyltyrosines; p-Hydroxyamphetamine; Rats; Time Factors; Tyrosine; Tyrosine 3-Monooxygenase | 1975 |
Evidence for the role of brain norepinephrine and dopamine in "rebound" phenomenon seen during withdrawal after repeated exposure to benzodiazepines.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Anti-Anxiety Agents; Body Weight; Brain; Brain Chemistry; Bromazepam; Cerebral Cortex; Corpus Striatum; Diazepam; Dopamine; Homovanillic Acid; Humans; Hypothalamus; Male; Medulla Oblongata; Mesencephalon; Motor Activity; Norepinephrine; Pons; Rats; Substance Withdrawal Syndrome; Tyrosine | 1977 |
The catabolism of L-tyrosine by an Arthrobacter sp.
Topics: 3,4-Dihydroxyphenylacetic Acid; 4-Hydroxyphenylpyruvate Dioxygenase; Arthrobacter; Cell-Free System; NAD; NADP; Oxygenases; Pyruvates; Stereoisomerism; Succinates; Tyrosine; Tyrosine Transaminase | 1977 |
Decrease of homovanillic, dihydroxyphenylacetic acid and cyclic-adenosine-3',5'-monophosphate content in the rat caudate nucleus induced by the acute administration of an aminoacid mixture lacking tyrosine and phenylalanine.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adenylyl Cyclases; Amino Acids; Animals; Basal Ganglia; Caudate Nucleus; Cerebellum; Cyclic AMP; Homovanillic Acid; Male; Phenylacetates; Phenylalanine; Rats; Tyrosine | 1976 |
Dopaminergic neurons: effect of acute and chronic morphine administration on single cell activity and transmitter metabolism.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Dihydroxyphenylalanine; Male; Morphine; Naloxone; Neurons; Rats; Synaptic Transmission; Tyrosine | 1978 |
On the interaction of 5-hydroxytryptophan and 5-hydroxytryptamine with dopamine metabolism in the rat striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Body Temperature; Body Weight; Brain Chemistry; Corpus Striatum; Dopamine; Drug Interactions; Female; Homovanillic Acid; In Vitro Techniques; Male; Monoamine Oxidase; Rats; Serotonin; Tyrosine | 1978 |
Measurement of 3,4-dihydroxyphenylacetic acid and 3-methoxytyramine specific activity rat striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Male; Phenylacetates; Rats; Tyramine; Tyrosine | 1979 |
Tyrosine administration decreases serum prolactin levels in chronically reserpinized rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dihydroxyphenylalanine; Homovanillic Acid; Hypothalamus; Male; Prolactin; Rats; Reserpine; Tyrosine | 1979 |
The metabolism of L-m-tyrosine in man.
Topics: 3,4-Dihydroxyphenylacetic Acid; Female; Humans; Male; Mandelic Acids; Metabolic Clearance Rate; Phenylacetates; Tyrosine | 1979 |
Chronic treatment with desipramine caused a sustained decrease of 3,4-dihydroxyphenylglycol-sulphate and total 3-methoxy-4-hydroxyphenylglycol in the rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amitriptyline; Animals; Brain Chemistry; Catechols; Depression, Chemical; Desipramine; Dopamine; Ethylene Glycols; Glycols; Homovanillic Acid; Imipramine; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Time Factors; Tyrosine | 1977 |
Desipramine and some other antidepressant drugs decrease the major norepinephrine metabolite 3,4-dihydroxyphenylglycol-sulphate in the rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Antidepressive Agents; Brain Chemistry; Desipramine; Dopamine; Glycols; Homovanillic Acid; Male; Norepinephrine; Normetanephrine; Rats; Reserpine; Time Factors; Tyrosine | 1977 |
Mammalian tyrosinase. A comparison of tyrosine hydroxylation and melanin formation.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Binding Sites; Catechol Oxidase; Dihydroxyphenylalanine; Dopamine; Kinetics; Levodopa; Melanins; Melanocytes; Mice; Monophenol Monooxygenase; Time Factors; Tyrosine | 1976 |
Changes in specific activity of dopamine metabolites as evidence of a multiple compartmentation of dopamine in striatal neurons.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Injections, Intravenous; Injections, Intraventricular; Rats; Tail; Time Factors; Tyramine; Tyrosine | 1977 |
Changes in dopamine metabolism associated with fasting and satiation.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Dopamine; Fasting; Feeding Behavior; Homovanillic Acid; Rats; Satiation; Time Factors; Tyrosine | 1977 |
Catabolism of L-tyrosine by the homoprotocatechuate pathway in gram-positive bacteria.
Topics: 3,4-Dihydroxyphenylacetic Acid; Bacillus; Bacteria; Cell-Free System; Corynebacterium; Micrococcus; Mycobacterium; Nocardia; Oxygenases; Phenylacetates; Pyruvates; Stereoisomerism; Succinates; Tyrosine | 1976 |
Comparison of short and long-lasting effects of pargyline on cerebral dopamine metabolism.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Cisterna Magna; Corpus Striatum; Dopamine; Female; Homovanillic Acid; Injections; Injections, Intravenous; Levodopa; Methyldopa; Monoamine Oxidase; Pargyline; Rats; Time Factors; Tyrosine | 1976 |
A study of the metabolism and release of dopamine and amino acids from nerve endings isolated from sheep corpus striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Amphetamine; Animals; Calcium; Carbon Dioxide; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Nerve Endings; Potassium; Sheep; Synaptosomes; Tyrosine | 1976 |
Amylin increases transport of tyrosine and tryptophan into the brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amyloid; Analysis of Variance; Animals; Biological Transport; Corpus Striatum; Dopamine; Hydroxyindoleacetic Acid; Hypothalamus; Islet Amyloid Polypeptide; Male; Norepinephrine; Rats; Rats, Sprague-Dawley; Reference Values; Serotonin; Tryptophan; Tyrosine | 1992 |
GnRH-associated peptide (GAP) is present in the rat striatum and affects the synthesis and release of dopamine.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Caudate Nucleus; Corpus Striatum; Dopamine; Gonadotropin-Releasing Hormone; Male; Protein Precursors; Rats; Rats, Inbred Strains; Tyrosine; Tyrosine 3-Monooxygenase | 1992 |
Biochemical and functional differences between dopamine formed from endogenous tyrosine and exogenous L-dopa in nigrostriatal dopaminergic neurons.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Levodopa; Male; Neurons; Rats; Reserpine; Substantia Nigra; Tyrosine | 1992 |
Dopaminergic neuron development in rats: biochemical study from prenatal life to adulthood.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Dopamine; Female; Hydroxyindoleacetic Acid; Mesencephalon; Nerve Tissue Proteins; Nervous System; Neurons; Organ Size; Pregnancy; Rats; Rats, Inbred Strains; Serotonin; Tyrosine | 1992 |
Biochemical and pharmacological properties of a peripherally acting catechol-O-methyltransferase inhibitor entacapone.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Catechol O-Methyltransferase Inhibitors; Catechols; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Duodenum; Erythrocytes; Homovanillic Acid; In Vitro Techniques; Liver; Male; Nitriles; Rats; Rats, Wistar; Tyrosine | 1992 |
Assessment of dopamine and its metabolites in the intracellular and extracellular compartments of the rat striatum after peripheral administration of L-[11C]dopa.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carbon Radioisotopes; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Extracellular Space; Homovanillic Acid; Injections, Intravenous; Intracellular Fluid; Kinetics; Levodopa; Male; Radioisotope Dilution Technique; Rats; Rats, Inbred Strains; Tyrosine | 1992 |
Effects of systemic carbidopa on dopamine synthesis in rat hypothalamus and striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carbidopa; Corpus Striatum; Depression, Chemical; Dialysis; Dopamine; Homovanillic Acid; Hypothalamus; Injections, Intraperitoneal; Levodopa; Male; Perfusion; Rats; Rats, Inbred Strains; Tyrosine | 1992 |
The role of cyclic AMP in chemoreception in the rabbit carotid body.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Bucladesine; Calcium; Carotid Body; Carotid Sinus; Chemoreceptor Cells; Colforsin; Cyclic AMP; Denervation; Dopamine; Electrophysiology; Evoked Potentials; Ganglia, Sympathetic; Kinetics; Nodose Ganglion; Norepinephrine; Rabbits; Sympathectomy; Tyrosine | 1991 |
Peripheral pharmacokinetic handling and metabolism of L-dopa in the rat: the effect of route of administration and carbidopa pretreatment.
Topics: 3,4-Dihydroxyphenylacetic Acid; Administration, Oral; Animals; Aorta, Thoracic; Carbidopa; Chromatography, High Pressure Liquid; Homovanillic Acid; Injections, Intravenous; Levodopa; Male; Rats; Rats, Inbred Strains; Tyrosine | 1991 |
Determination of monoamines and indoles in amniotic fluid by high-performance liquid chromatography-electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amniotic Fluid; Biogenic Amines; Chromatography, High Pressure Liquid; Epinephrine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoles; Methoxyhydroxyphenylglycol; Pregnancy; Tryptophan; Tyrosine; Vanilmandelic Acid | 1990 |
Exogenous tyrosine potentiates the methylphenidate-induced increase in extracellular dopamine in the nucleus accumbens: a microdialysis study.
Topics: 3,4-Dihydroxyphenylacetic Acid; Analysis of Variance; Animals; Dialysis; Dopamine; Extracellular Space; Male; Methylphenidate; Nucleus Accumbens; Osmolar Concentration; Rats; Rats, Inbred Strains; Tyrosine | 1991 |
Simultaneous determination of levodopa, its main metabolites and carbidopa in plasma by liquid chromatography.
Topics: 3,4-Dihydroxyphenylacetic Acid; Carbidopa; Chromatography, High Pressure Liquid; Chromatography, Liquid; Freeze Drying; Homovanillic Acid; Humans; Hydrogen-Ion Concentration; Levodopa; Solutions; Tyrosine | 1991 |
The glutamate-mediated release of dopamine in the rat striatum: further characterization of the dual excitatory-inhibitory function.
Topics: 2-Amino-5-phosphonovalerate; 3,4-Dihydroxyphenylacetic Acid; 6-Cyano-7-nitroquinoxaline-2,3-dione; Amino Acids; Animals; Bicuculline; Caudate Nucleus; Corpus Striatum; Dopamine; Glutamates; Glutamic Acid; Kinetics; Quinoxalines; Rats; Rats, Inbred Strains; Reference Values; Tetrodotoxin; Tritium; Tyrosine | 1990 |
Effect of the new selective COMT inhibitor CGP 28014 A on the formation of 3-O-methyldopa (3OMD) in plasma of healthy subjects.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amidines; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Male; Pyridones; Tyrosine | 1990 |
Effect of precursors on the synthesis of catecholamines and on neurotransmission in the superior cervical ganglion of the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Action Potentials; Animals; Aspartame; Catecholamines; Dipeptides; Dopamine; Electric Stimulation; Ganglia, Sympathetic; Levodopa; Male; Nialamide; Norepinephrine; Rats; Rats, Inbred Strains; Synaptic Transmission; Tyrosine | 1990 |
Tyrosine loading increases dopamine metabolite concentrations in the brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Dopamine; Haloperidol; Homovanillic Acid; Male; Rats; Rats, Inbred Strains; Tyrosine | 1990 |
Regulation of the synthesis and metabolism of striatal dopamine after disruption of nerve conduction in the medial forebrain bundle.
Topics: 3,4-Dihydroxyphenylacetic Acid; Anesthetics; Animals; Brain Chemistry; Chromatography, Gas; Corpus Striatum; Denervation; Dopamine; Female; Haloperidol; Homovanillic Acid; Medial Forebrain Bundle; Nerve Endings; Neural Conduction; Rats; Rats, Inbred Strains; Tetrodotoxin; Tyrosine | 1990 |
Mesocortical dopamine neurons: high basal firing frequency predicts tyrosine dependence of dopamine synthesis.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Cerebral Cortex; Dopamine; Homovanillic Acid; Injections, Intraperitoneal; Male; Rats; Rats, Inbred Strains; Tyrosine; Valine | 1990 |
Monoamine neurotransmitter metabolism and locomotor activity during chemical hypoxia.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Hypoxia; Male; Mice; Motor Activity; Nitrates; Serotonin; Tryptophan; Tyrosine | 1986 |
Enhancement of brain dopamine metabolism by tyrosine during immobilisation: an in vivo study using repeated cerebrospinal fluid sampling in conscious rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Kinetics; Male; Rats; Rats, Inbred Strains; Restraint, Physical; Stress, Physiological; Tyrosine | 1987 |
Effects of K+-stimulation and precursor loading on the in vivo release of dopamine, serotonin and their metabolites in the nucleus accumbens of the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Nucleus Accumbens; Perfusion; Potassium; Rats; Septal Nuclei; Serotonin; Tryptophan; Tyrosine | 1987 |
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 |
Rapid determination of norepinephrine, dopamine, serotonin, their precursor amino acids, and related metabolites in discrete brain areas of mice within ten minutes by HPLC with electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dopamine; Homovanillic Acid; Hydrazines; Hydroxyindoleacetic Acid; Hypothalamus; Male; Methoxyhydroxyphenylglycol; Mice; Norepinephrine; Serotonin; Tryptophan; Tyrosine | 1988 |
Aspartame and the rat brain monoaminergic system.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aspartame; Biogenic Monoamines; Brain; Chromatography, High Pressure Liquid; Corpus Striatum; Dipeptides; Dopamine; Dose-Response Relationship, Drug; Electrodes, Implanted; Hippocampus; Hydroxyindoleacetic Acid; Nucleus Accumbens; Phenylalanine; Plasma; Rats; Serotonin; Tyrosine | 1988 |
Re-evaluation of the L-dopa loading effect on dopamine metabolism in rat striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Benserazide; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Drug Therapy, Combination; Homovanillic Acid; Levodopa; Male; Rats; Rats, Inbred Strains; Tyrosine | 1986 |
Alterations in retinal tyrosine and dopamine levels in rats consuming protein or tyrosine-supplemented diets.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Caseins; Dietary Proteins; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Liver; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine; Tyrosine Transaminase | 1988 |
Diurnal alterations in retinal tyrosine level and dopamine turnover in diabetic rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Circadian Rhythm; Diabetes Mellitus, Experimental; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Liver; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine; Tyrosine Transaminase | 1988 |
Atrial natriuretic factor partially inhibits the stimulated catecholamine synthesis in superior cervical ganglia of the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Atrial Natriuretic Factor; Carbachol; Catecholamines; Dopamine; Female; Ganglia, Sympathetic; Male; Rats; Rats, Inbred Strains; Tyrosine | 1987 |
Investigation of dopamine content, synthesis, and release in the rabbit retina in vitro: I. Effects of dopamine precursors, reserpine, amphetamine, and L-DOPA decarboxylase and monoamine oxidase inhibitors.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amphetamine; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Dopamine; Female; Levodopa; Male; Monoamine Oxidase Inhibitors; Pargyline; Rabbits; Reserpine; Retina; Selegiline; Tyrosine | 1986 |
Comparison of the monoamine and catabolite content in the cat and rabbit carotid bodies.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carotid Body; Cats; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Norepinephrine; Rabbits; Species Specificity; Sympathectomy; Tyrosine | 1988 |
Tyrosine: effects on catecholamine release.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Dose-Response Relationship, Drug; Homovanillic Acid; Injections, Intraperitoneal; Male; Rats; Rats, Inbred Strains; Time Factors; Tyrosine | 1988 |
The effect of carbidopa on plasma and muscle levels of L-dopa, dopamine, and their metabolites following L-dopa administration to rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carbidopa; Chromatography, High Pressure Liquid; Dopamine; Drug Synergism; Homovanillic Acid; Levodopa; Muscles; Rats; Tyrosine | 1988 |
Involvement of intraterminal dopamine compartments in the amine release in the cat striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; alpha-Methyltyrosine; Amphetamine; Animals; Cats; Corpus Striatum; Dopamine; Methyltyrosines; Tyrosine | 1987 |
Mobilization of storage pool dopamine and late ipsilateral augmentation of striatal dopamine synthesis in the trained circling rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Kinetics; Levodopa; Male; Motor Activity; Rats; Rats, Inbred Strains; Tyrosine | 1986 |
Different roles of intrahypothalamic and nigrostriatal dopaminergic systems in thermoregulatory responses of the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Body Temperature Regulation; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Hypothalamus; Hypothalamus, Middle; Male; Nucleus Accumbens; Preoptic Area; Rats; Rats, Inbred Strains; Substantia Nigra; Tyrosine | 1986 |
Dietary control of retinal dopamine synthesis.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Caseins; Dietary Proteins; Dopamine; Fasting; Homovanillic Acid; Male; Rats; Rats, Inbred Strains; Retina; Tyrosine | 1986 |
Alterations in the retinal dopaminergic neuronal system in rats with streptozotocin-induced diabetes.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Cattle; Diabetes Mellitus, Experimental; Diabetic Retinopathy; Dihydroxyphenylalanine; Dopamine; Glucose; Male; Neurons; Rats; Rats, Inbred Strains; Retina; Spiperone; Tyrosine | 1985 |
Effects of L-dopa and L-tyrosine on release of free and conjugated dopamine, homovanillic acid and dihydroxyphenylacetic acid from slices of rat striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Calcium; Corpus Striatum; Dopamine; Homovanillic Acid; In Vitro Techniques; Levodopa; Male; Phenethylamines; Phenylacetates; Potassium; Rats; Tyrosine | 1985 |
Influence of chronic inorganic lead exposure on regional dopamine and 5-hydroxytryptamine turnover in rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Brain; Dopamine; Erythrocytes; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Lead; Lead Poisoning; Male; Methoxyhydroxyphenylglycol; Normetanephrine; Pregnancy; Protoporphyrins; Rats; Serotonin; Tyrosine | 1984 |
L-Tyrosine enhancement of the elevation of 3,4-dihydroxyphenylacetic acid concentration in rat brain by spiperone and amfonelic acid.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Butyrophenones; Drug Synergism; In Vitro Techniques; Male; Nalidixic Acid; Naphthyridines; Neurons; Phenylacetates; Rats; Rats, Inbred Strains; Spiperone; Tyrosine | 1982 |
Tyrosine administration enhances dopamine synthesis and release in light-activated rat retina.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Dark Adaptation; Dopamine; Male; Neurons; Photic Stimulation; Rats; Rats, Inbred Strains; Retina; Tyrosine; Tyrosine 3-Monooxygenase | 1983 |
Role of tyrosine in the acute effects of ethanol on rat brain catecholamine synthesis.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Catecholamines; Dopamine; Dose-Response Relationship, Drug; Ethanol; Male; Norepinephrine; Rats; Rats, Inbred Strains; Tyrosine; Tyrosine 3-Monooxygenase | 1983 |
Simultaneous determination of 3,4-dihydroxyphenylalanine, 5-hydroxytryptophan, dopamine, 4-hydroxy-3-methoxyphenylalanine, norepinephrine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, serotonin, and 5-hydroxyindoleacetic acid in rat cerebrospinal fl
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methyltyrosines; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1982 |
Effect of brain monoamine precursors on stress-induced behavioral and neurochemical changes in aged mice.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aggression; Animals; Biogenic Amines; Brain; Caseins; Dietary Proteins; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mice; Motor Activity; Norepinephrine; Serotonin; Stress, Psychological; Tryptophan; Tyrosine | 1984 |
Effects of drug-induced changes in brain monoamines on aggression and motor behavior in mice.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Aggression; Amphetamine; Animals; Biogenic Amines; Brain Chemistry; Diet; Dose-Response Relationship, Drug; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Male; Mice; Motor Activity; Tyrosine | 1984 |
Monoamine metabolites in human cerebrospinal fluid. HPLC/ED method.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; Chromatography, High Pressure Liquid; Depression; Dihydroxyphenylalanine; Electrochemistry; Glycols; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Subarachnoid Hemorrhage; Tryptophan; Tyrosine | 1984 |
Tyrosine administration increases striatal dopamine release in rats with partial nigrostriatal lesions.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Disease Models, Animal; Dopamine; Homovanillic Acid; Male; Parkinson Disease; Rats; Substantia Nigra; Synaptic Transmission; Tyrosine | 1980 |
A procedure to measure the specific activities of dopamine and its metabolites in rat striatum, based on HPLC, electrochemical detection and liquid scintillation counting.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Electrochemistry; Homovanillic Acid; Male; Rats; Rats, Inbred Strains; Scintillation Counting; Tritium; Tyrosine | 1984 |
Effects of low pH on synthesis and release of catecholamines in the cat carotid body in vitro.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carotid Body; Cats; Dopamine; Hydrogen-Ion Concentration; Kinetics; Norepinephrine; Tyrosine | 1984 |
The metabolism of L-m-tyrosine: the use of a putative precursor to investigate the increased production of m-hydroxymandelic acid in phenylketonuria.
Topics: 2-Hydroxyphenethylamine; 3,4-Dihydroxyphenylacetic Acid; Adult; Female; Humans; Hydroxylation; Kinetics; Male; Mandelic Acids; Octopamine; Phenylacetates; Phenylketonurias; Tyrosine | 1983 |
Effects of tyrosine and tryptophan ingestion on plasma catecholamine and 3,4-dihydroxyphenylacetic acid concentrations.
Topics: 3,4-Dihydroxyphenylacetic Acid; Administration, Oral; Adult; Catecholamines; Dopamine; Double-Blind Method; Epinephrine; Humans; Male; Norepinephrine; Phenylacetates; Tryptophan; Tyrosine | 1983 |
3-O-methyldopa blocks dopa metabolism in rat corpus striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dopamine; Dose-Response Relationship, Drug; Homovanillic Acid; Levodopa; Male; Methyltyrosines; Parkinson Disease; Rats; Rats, Inbred Strains; Tyrosine | 1982 |
Quantitative microdialysis for studying the in vivo L-DOPA kinetics in blood and skeletal muscle of the dog.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Blood Proteins; Calibration; Dialysis; Dogs; Dopamine; Injections, Intramuscular; Injections, Intravenous; Levodopa; Male; Methyldopa; Microchemistry; Muscle, Skeletal; Protein Binding; Reference Standards; Reproducibility of Results; Tyrosine | 1995 |
Comparison of two new inhibitors of catechol O-methylation on striatal dopamine metabolism: a microdialysis study in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amidines; Animals; Biogenic Monoamines; Carbidopa; Catechol O-Methyltransferase Inhibitors; Catechols; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Levodopa; Male; Microdialysis; Neostriatum; Nitriles; Pyridones; Rats; Rats, Wistar; Stereotaxic Techniques; Tryptophan; Tyrosine | 1994 |
Neocortical dialysate monoamines of rats after acute, subacute, and chronic liver shunt.
Topics: 3,4-Dihydroxyphenylacetic Acid; Acute Disease; Amino Acids; Ammonia; Animals; Biogenic Monoamines; Body Weight; Cerebral Cortex; Chronic Disease; Dialysis; Disease Models, Animal; Dopamine; Extracellular Space; Hepatic Encephalopathy; Hydroxyindoleacetic Acid; Male; Norepinephrine; Phenylalanine; Rats; Rats, Wistar; Serotonin; Tryptophan; Tyrosine | 1995 |
Sympathectomy does not modify the levels of dopa or dopamine in the rat dorsal root ganglion.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Ganglia, Spinal; Guanethidine; Homovanillic Acid; Male; Rats; Rats, Sprague-Dawley; Sympathectomy, Chemical; Tyrosine | 1995 |
Effects of the catechol-O-methyltransferase inhibitor tolcapone in Parkinson's disease: correlations between concentrations of dopaminergic substances in the plasma and cerebrospinal fluid and clinical improvement.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aged; Antiparkinson Agents; Benzophenones; Carbidopa; Catechol O-Methyltransferase Inhibitors; Dopamine; Homovanillic Acid; Humans; Levodopa; Middle Aged; Nitrophenols; Parkinson Disease; Tolcapone; Tyrosine | 1995 |
A decreased tubular uptake of dopa results in defective renal dopamine production in aged rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Aromatic-L-Amino-Acid Decarboxylases; Biological Transport; Catechol O-Methyltransferase; Dihydroxyphenylalanine; Dopamine; Kidney; Kidney Cortex; Male; Microvilli; Monoamine Oxidase; Norepinephrine; Rats; Rats, Wistar; Regression Analysis; Tyrosine | 1995 |
Simultaneous measurement of monoamines, metabolites and amino acids in brain tissue and microdialysis perfusates.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Biogenic Monoamines; Chromatography, High Pressure Liquid; Corpus Striatum; Dialysis; Dopamine; gamma-Aminobutyric Acid; Hydroxyindoleacetic Acid; o-Phthalaldehyde; Rats; Rats, Sprague-Dawley; Regression Analysis; Serotonin; Tyrosine | 1993 |
Simultaneous determination of in vivo hydroxylation of tyrosine and tryptophan in rat striatum by microdialysis-HPLC: relationship between dopamine and serotonin biosynthesis.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Chromatography, High Pressure Liquid; Corpus Striatum; Dopamine; Homovanillic Acid; Hydrazines; Hydroxyindoleacetic Acid; Hydroxylation; Kinetics; Levodopa; Male; Microdialysis; Rats; Rats, Wistar; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine; Tyrosine 3-Monooxygenase | 1993 |
Neurotransmitters in basal ganglia and cortex of Alzheimer's disease with and without Lewy bodies.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; Basal Ganglia; Brain; Brain Chemistry; Caudate Nucleus; Cerebral Cortex; Choline O-Acetyltransferase; Dopamine; Homovanillic Acid; Humans; Lewy Bodies; Parietal Lobe; Putamen; Reference Values; Regression Analysis; Temporal Lobe; Tyrosine; Tyrosine 3-Monooxygenase | 1993 |
The effect of carbidopa on the pharmacokinetics and metabolism of intravenously administered levodopa in blood plasma and skeletal muscle.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carbidopa; Dogs; Dopamine; Extracellular Space; Half-Life; Injections, Intravenous; Levodopa; Male; Microdialysis; Muscles; Tyrosine | 1993 |
Plasma levels of levodopa and its main metabolites in parkinsonian patients after conventional and controlled-release levodopa-carbidopa associations.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aged; Antiparkinson Agents; Blood-Brain Barrier; Carbidopa; Delayed-Action Preparations; Dopamine; Dose-Response Relationship, Drug; Drug Combinations; Female; Homovanillic Acid; Humans; Levodopa; Male; Middle Aged; Neurologic Examination; Parkinson Disease; Tyrosine | 1993 |
The effect of catechol-O-methyl transferase inhibition by entacapone on the pharmacokinetics and metabolism of levodopa in healthy volunteers.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Carbidopa; Catechol O-Methyltransferase; Catechol O-Methyltransferase Inhibitors; Catechols; Electrocardiography; Half-Life; Homovanillic Acid; Humans; Levodopa; Male; Nitriles; Reference Values; Tyrosine | 1993 |
Intracranial cocaine self-administration into the medial prefrontal cortex increases dopamine turnover in the nucleus accumbens.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Cocaine; Dopamine; Male; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Inbred F344; Self Administration; Tyrosine | 1993 |
Effects of 3-O-methyl on L-dopa-facilitated synthesis and efflux of dopamine from rat striatal slices.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Antiparkinson Agents; Cerebrospinal Fluid; Corpus Striatum; Dopamine; Drug Interactions; Levodopa; Male; Potassium Chloride; Rats; Rats, Sprague-Dawley; Tyrosine | 1995 |
Tyrosine enhances behavioral and mesocorticolimbic dopaminergic responses to aversive conditioning.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Behavior, Animal; Conditioning, Psychological; Dopamine; Male; Nucleus Accumbens; Prefrontal Cortex; Rats; Rats, Sprague-Dawley; Tyrosine | 1996 |
Cerebrospinal fluid tyrosine and 3,4-dihydroxyphenylacetic acid levels in migraine patients.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adolescent; Adult; Brain; Dopamine; Female; Humans; Male; Middle Aged; Migraine Disorders; Norepinephrine; Synaptic Transmission; Tyrosine | 1996 |
Behavioral and neurochemical alterations caused by diet restriction--the effect of tyrosine administration in mice.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Anorexia Nervosa; Brain; Cognition; Diet, Reducing; Disease Models, Animal; Dopamine; Female; Hippocampus; Maze Learning; Methoxyhydroxyphenylglycol; Mice; Mice, Inbred Strains; Norepinephrine; Nutritional Requirements; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Tyrosine; Weight Loss | 1996 |
Tyrosine and tryptophan derivatives in pig lumbar cerebrospinal fluid. Effects of subchronic administration of dopa associated with benserazide.
Topics: 3,4-Dihydroxyphenylacetic Acid; Administration, Oral; Animals; Benserazide; Drug Interactions; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Kynurenine; Levodopa; Male; Methoxyhydroxyphenylglycol; Normetanephrine; Swine; Tryptamines; Tryptophan; Tyrosine | 1996 |
An in vivo comparison of the capacity of striatal versus extrastriatal brain regions to form dopamine from exogenously administered L-dopa.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Biotransformation; Brain Chemistry; Cerebellum; Dopamine; Dopamine Agents; Extracellular Space; Hydroxyindoleacetic Acid; Levodopa; Male; Microdialysis; Neostriatum; Occipital Lobe; Rats; Rats, Sprague-Dawley; Tyrosine | 1996 |
Evidence for two types of nicotinic receptors in the cat carotid body chemoreceptor cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Bungarotoxins; Carotid Body; Catecholamines; Catechols; Cats; Chemoreceptor Cells; In Vitro Techniques; Kinetics; Mecamylamine; Neurons; Nicotine; Receptors, Nicotinic; Tritium; Tyrosine | 1997 |
Differential catecholamine responses to protein intake in healthy and hypertensive subjects.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aldosterone; Atrial Natriuretic Factor; Blood Pressure; Dietary Proteins; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Hypertension; Middle Aged; Norepinephrine; Postprandial Period; Pulse; Reference Values; Renin; Tyrosine | 1998 |
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyride neurotoxicity is attenuated in mice overexpressing Bcl-2.
Topics: 1-Methyl-4-phenylpyridinium; 3,4-Dihydroxyphenylacetic Acid; Animals; Apoptosis; Brain Chemistry; Caspase 2; Caspase Inhibitors; Caspases; Dopamine; Dopamine Agents; Dopamine Uptake Inhibitors; Female; Free Radicals; Gene Expression; Homovanillic Acid; Injections, Intraperitoneal; Male; Mazindol; Mice; Mice, Transgenic; MPTP Poisoning; Neurons; Neurotoxins; Oxidative Stress; Pregnancy; Proto-Oncogene Proteins c-bcl-2; Radioligand Assay; Tritium; Tyrosine | 1998 |
Methamphetamine generates peroxynitrite and produces dopaminergic neurotoxicity in mice: protective effects of peroxynitrite decomposition catalyst.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Body Temperature; Corpus Striatum; Dopamine; Homovanillic Acid; Male; Methamphetamine; Mice; Mice, Inbred C57BL; Neuroprotective Agents; Neurotoxins; Nitrates; Oxidants; Porphyrins; Reference Values; Tyrosine | 1999 |
The in vivo modulation of dopamine synthesis by calcium ions: influences on the calcium independent release.
Topics: 3,4-Dihydroxyphenylacetic Acid; alpha-Methyltyrosine; Amphetamine; Animals; Cadmium; Calcimycin; Calcium; Calcium Channel Blockers; Calcium Channels; Calcium Signaling; Carrier Proteins; Corpus Striatum; Dopamine; Dopamine Plasma Membrane Transport Proteins; Exocytosis; Ionophores; Male; Membrane Glycoproteins; Membrane Transport Proteins; Nerve Tissue Proteins; Neurons; Phosphorylation; Protein Processing, Post-Translational; Rats; Rats, Wistar; Tyrosine; Tyrosine 3-Monooxygenase | 1999 |
Mice deficient in cellular glutathione peroxidase show increased vulnerability to malonate, 3-nitropropionic acid, and 1-methyl-4-phenyl-1,2,5,6-tetrahydropyridine.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Catechols; Convulsants; Corpus Striatum; Disease Models, Animal; Dopamine Agents; Female; Free Radicals; Glutathione; Glutathione Peroxidase; Heterozygote; Homovanillic Acid; Homozygote; Huntington Disease; Male; Malonates; Mice; Mice, Inbred Strains; Mice, Knockout; MPTP Poisoning; Nitro Compounds; Oxidative Stress; Parkinson Disease, Secondary; Propionates; Tyrosine | 2000 |
Characterization of the synthesis and release of catecholamine in the rat carotid body in vitro.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Carotid Body; Cell Hypoxia; Chromatography, High Pressure Liquid; Dopamine; Epinephrine; Female; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Male; Nicotine; Potassium; Rats; Rats, Wistar; Tritium; Tyrosine | 2000 |
The effects of central aromatic amino acid DOPA decarboxylase inhibition on the motor actions of L-DOPA and dopamine agonists in MPTP-treated primates.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Behavior, Animal; Callithrix; Dopamine; Dopamine Agonists; Dose-Response Relationship, Drug; Enzyme Inhibitors; Female; Hydrazines; Levodopa; Male; Motor Activity; Quinolones; Quinpirole; Thiophenes; Tyrosine | 2000 |
Synthesis and release of dopamine in rat striatal slices: requirement for exogenous tyrosine in the medium.
Topics: 3,4-Dihydroxyphenylacetic Acid; alpha-Methyltyrosine; Amino Acids; Animals; Corpus Striatum; Culture Media; Dopamine; Dose-Response Relationship, Drug; Enzyme Inhibitors; In Vitro Techniques; Male; Potassium; Rats; Rats, Wistar; Tyrosine; Tyrosine 3-Monooxygenase | 2000 |
Effect of 6-fluoro-m-tyrosine on dopamine release and metabolism in rat striatum using in vivo microdialysis.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Dopamine; Fluorine Radioisotopes; Homovanillic Acid; Levodopa; Male; Microdialysis; Neostriatum; Neurons; Rats; Rats, Sprague-Dawley; Tyrosine | 2000 |
Prevention of dopaminergic neurotoxicity by targeting nitric oxide and peroxynitrite: implications for the prevention of methamphetamine-induced neurotoxic damage.
Topics: 3,4-Dihydroxyphenylacetic Acid; Analysis of Variance; Animals; Chromatography, High Pressure Liquid; Corpus Striatum; Cyclic N-Oxides; Disease Models, Animal; Dopamine; Dopamine Uptake Inhibitors; Drug Administration Schedule; Drug Interactions; Electrochemistry; Free Radical Scavengers; Homovanillic Acid; Imidazoles; Indazoles; Male; Methamphetamine; Mice; Mice, Inbred C57BL; Models, Biological; Neuroprotective Agents; Neurotoxicity Syndromes; Nitric Oxide; Peroxynitrous Acid; Tyrosine | 2000 |
The central aromatic amino acid DOPA decarboxylase inhibitor, NSD-1015, does not inhibit L-DOPA-induced circling in unilateral 6-OHDA-lesioned-rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Behavior, Animal; Biogenic Monoamines; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dopamine Agents; Dopamine Antagonists; Drug Combinations; Enzyme Inhibitors; Haloperidol; Homovanillic Acid; Hydrazines; Levodopa; Male; Medial Forebrain Bundle; Oxidopamine; Rats; Rats, Wistar; Stereotyped Behavior; Tyrosine | 2001 |
Monoamine compounds in cerebrospinal fluid of healthy subjects punctured without preceding strict bed rest: a pilot study.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Bed Rest; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Reference Values; Serotonin; Spinal Puncture; Tryptophan; Tyrosine | 2001 |
Diurnal changes of tyrosine, dopamine, and dopamine metabolites content in the retina of rats maintained at different lighting conditions.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Circadian Rhythm; Darkness; Dopamine; Homovanillic Acid; Lighting; Male; Melatonin; Rats; Rats, Wistar; Retina; Tyrosine | 2000 |
BIA 3-202, a novel catechol-O-methyltransferase inhibitor, enhances the availability of L-DOPA to the brain and reduces its O-methylation.
Topics: 3,4-Dihydroxyphenylacetic Acid; Acetophenones; Animals; Biological Availability; Brain; Catechol O-Methyltransferase; Catechol O-Methyltransferase Inhibitors; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Enzyme Inhibitors; Homovanillic Acid; Levodopa; Male; Methylation; Rats; Rats, Wistar; Time Factors; Tyrosine | 2001 |
Aging increases the susceptiblity to methamphetamine-induced dopaminergic neurotoxicity in rats: correlation with peroxynitrite production and hyperthermia.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Brain Chemistry; Central Nervous System Stimulants; Corpus Striatum; Dopamine; Dose-Response Relationship, Drug; Fever; Homovanillic Acid; Male; Methamphetamine; Nitrates; Oxidative Stress; Rats; Rats, Sprague-Dawley; Tyrosine | 2001 |
COMT-inhibition increases serum levels of dihydroxyphenylacetic acid (DOPAC) in patients with advanced Parkinson's disease.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aged; Aged, 80 and over; Antiparkinson Agents; Benzophenones; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Disease Progression; Dose-Response Relationship, Drug; Female; Homovanillic Acid; Humans; Levodopa; Male; Middle Aged; Nitrophenols; Parkinson Disease; Tolcapone; Tyrosine | 2002 |
Dopamine prevents nitration of tyrosine hydroxylase by peroxynitrite and nitrogen dioxide: is nitrotyrosine formation an early step in dopamine neuronal damage?
Topics: 3,4-Dihydroxyphenylacetic Acid; Cell Line; Dihydroxyphenylalanine; Dopamine; Dopamine Plasma Membrane Transport Proteins; Gene Expression; Glutathione Transferase; Green Fluorescent Proteins; Humans; Hydrogen-Ion Concentration; Luminescent Proteins; Membrane Glycoproteins; Membrane Transport Proteins; Nerve Tissue Proteins; Nitrates; Nitrogen Dioxide; Peroxynitrous Acid; Recombinant Fusion Proteins; Tyrosine; Tyrosine 3-Monooxygenase | 2003 |
Potentiation of parkinsonian symptoms by depletion of locus coeruleus noradrenaline in 6-hydroxydopamine-induced partial degeneration of substantia nigra in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenergic Agents; Animals; Behavior, Animal; Benzylamines; Catalepsy; Disease Models, Animal; Dopamine; Dopamine Antagonists; Drug Interactions; Haloperidol; Hippocampus; Homovanillic Acid; Hypothalamus; Locus Coeruleus; Male; Medial Forebrain Bundle; Nerve Degeneration; Neurotoxins; Norepinephrine; Oxidopamine; Parkinsonian Disorders; Prefrontal Cortex; Rats; Rats, Sprague-Dawley; Reaction Time; Serotonin; Substantia Nigra; Thalamus; Tyrosine | 2003 |
Analysis of catecholamines and related substances using porous graphitic carbon as separation media in liquid chromatography-tandem mass spectrometry.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Catecholamines; Chromatography, Liquid; Dopamine; Epinephrine; Graphite; Hydrogen-Ion Concentration; Levodopa; Norepinephrine; Spectrometry, Mass, Electrospray Ionization; Substantia Nigra; Swine; Tyrosine; Vanilmandelic Acid | 2004 |
Behavioral and neurochemical effects of noradrenergic depletions with N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine in 6-hydroxydopamine-induced rat model of Parkinson's disease.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenergic Agents; Amphetamine; Analysis of Variance; Animals; Basal Ganglia; Behavior, Animal; Benzylamines; Brain Chemistry; Catalepsy; Disease Models, Animal; Dopamine; Dopamine Agents; Homovanillic Acid; Levodopa; Locus Coeruleus; Male; Motor Activity; Norepinephrine; Oxidopamine; Parkinson Disease; Rats; Rats, Sprague-Dawley; Serotonin; Statistics, Nonparametric; Tyrosine | 2004 |
Simvastatin prevents 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced striatal dopamine depletion and protein tyrosine nitration in mice.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 3,4-Dihydroxyphenylacetic Acid; Animals; Cholesterol; Dopamine; Dopamine Agents; Homovanillic Acid; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Male; Mice; Mice, Inbred C57BL; Microglia; Neostriatum; Nitrates; Nitric Oxide; Oxidants; Simvastatin; Superoxides; Tumor Necrosis Factor-alpha; Tyrosine | 2005 |
Enhanced dopamine uptake in the striatum following repeated restraint stress.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenalectomy; Animals; Behavior, Animal; Biogenic Amines; Chromatography, High Pressure Liquid; Corpus Striatum; Corticosterone; Dopamine; Dopamine Agonists; Dopamine Antagonists; Dopamine Plasma Membrane Transport Proteins; Dopamine Uptake Inhibitors; Electrochemistry; Haloperidol; Hormone Antagonists; Male; Mazindol; Membrane Glycoproteins; Membrane Transport Proteins; Mice; Mifepristone; Nerve Tissue Proteins; Protein Binding; Quinpirole; Restraint, Physical; RNA, Messenger; Stress, Physiological; Time Factors; Tritium; Tyrosine | 2005 |
Effect of acute tyrosine depletion in using a branched chain amino-acid mixture on dopamine neurotransmission in the rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Amino Acids, Branched-Chain; Amphetamine; Analysis of Variance; Animals; Behavior, Animal; Brain; Brain Chemistry; Catecholamines; Cell Count; Dopamine; Dopamine Agents; Dose-Response Relationship, Drug; Drug Interactions; Immunohistochemistry; Male; Microdialysis; Motor Activity; Oncogene Proteins v-fos; Rats; Rats, Sprague-Dawley; Serotonin; Time Factors; Tyrosine | 2006 |
Tyrosine administration does not affect desipramine-induced dopamine levels as measured in vivo in prefrontal cortex.
Topics: 3,4-Dihydroxyphenylacetic Acid; Analysis of Variance; Animals; Desipramine; Dopamine; Drug Interactions; Enzyme Inhibitors; Hydrazines; Male; Microdialysis; Prefrontal Cortex; Rats; Rats, Sprague-Dawley; Time Factors; Tyrosine | 2005 |
Biodegradation of 3-nitrotyrosine by Burkholderia sp. strain JS165 and Variovorax paradoxus JS171.
Topics: 3,4-Dihydroxyphenylacetic Acid; Biodegradation, Environmental; Burkholderia; Comamonadaceae; Models, Biological; Molecular Sequence Data; Nitrophenols; Phenylacetates; RNA, Bacterial; RNA, Ribosomal, 16S; Soil Microbiology; Tyrosine | 2006 |
Modified high-performance liquid chromatography with electrochemical detection method for plasma measurement of levodopa, 3-O-methyldopa, dopamine, carbidopa and 3,4-dihydroxyphenyl acetic acid.
Topics: 3,4-Dihydroxyphenylacetic Acid; Calibration; Carbidopa; Chromatography, High Pressure Liquid; Dopamine; Electrochemistry; Levodopa; Tyrosine | 2006 |
Biochemical characterization of L-DOPA 2,3-dioxygenase, a single-domain type I extradiol dioxygenase from lincomycin biosynthesis.
Topics: 3,4-Dihydroxyphenylacetic Acid; Bacterial Proteins; Catechols; Enzyme Inhibitors; Iron; Kinetics; Ligands; Lincomycin; Mutagenesis, Site-Directed; Oxygenases; Protein Structure, Tertiary; Recombinant Proteins; Streptomyces; Tyrosine | 2008 |
Acrylamide decreased dopamine levels and increased 3-nitrotyrosine (3-NT) levels in PC 12 cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; Acrylamide; Animals; Chromatography, High Pressure Liquid; Dopamine; Dopamine Uptake Inhibitors; Dose-Response Relationship, Drug; Electrochemical Techniques; Homovanillic Acid; Methamphetamine; Neurons; PC12 Cells; Rats; Time Factors; Tyrosine | 2009 |
Chromatographic assay to study the activity of multiple enzymes involved in the synthesis and metabolism of dopamine and serotonin.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Biological Assay; Central Nervous System; Chromatography; Dopamine; Dopamine Agents; Hydroxyindoleacetic Acid; Levodopa; Lymnaea; Models, Biological; Molecular Structure; Serotonin; Tryptophan; Tyrosine | 2012 |
Tyrosine depletion lowers in vivo DOPA synthesis in ventral hippocampus.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Dihydroxyphenylalanine; Dopamine; Hippocampus; Hydrazines; Male; Norepinephrine; Rats; Rats, Sprague-Dawley; Tyrosine | 2012 |
Substrate-mediated oxygen activation by homoprotocatechuate 2,3-dioxygenase: intermediates formed by a tyrosine 257 variant.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acid Sequence; Brevibacterium; Catalytic Domain; Dioxygenases; Ferrous Compounds; Kinetics; Oxygen; Reactive Oxygen Species; Tyrosine | 2012 |
Dietary manipulation of serotonergic and dopaminergic function in C57BL/6J mice with amino acid depletion mixtures.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amino Acids; Animals; Brain; Chromatography, High Pressure Liquid; Dopamine; Food, Formulated; Homovanillic Acid; Male; Mice; Mice, Inbred C57BL; Phenylalanine; Serotonin; Statistics, Nonparametric; Tryptophan; Tyrosine | 2014 |
Protective effects of (-)-epicatechin and the colonic metabolite 3,4-dihydroxyphenylacetic acid against glucotoxicity-induced insulin signalling blockade and altered glucose uptake and production in renal tubular NRK-52E cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adenylate Kinase; Animals; Catechin; Cell Line; Colon; Down-Regulation; Gluconeogenesis; Glucose; Glucose Transporter Type 2; Glycogen Synthase Kinase 3 beta; Homeostasis; Insulin; Intracellular Signaling Peptides and Proteins; Kidney Tubules, Proximal; Phosphoenolpyruvate Carboxykinase (GTP); Phosphorylation; Proto-Oncogene Proteins c-akt; Rats; Signal Transduction; Sodium-Glucose Transporter 2; Tyrosine; Up-Regulation | 2018 |