tyrosine has been researched along with homovanillic acid in 176 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 103 (58.52) | 18.7374 |
| 1990's | 43 (24.43) | 18.2507 |
| 2000's | 20 (11.36) | 29.6817 |
| 2010's | 8 (4.55) | 24.3611 |
| 2020's | 2 (1.14) | 2.80 |
| Authors | Studies |
|---|---|
| Lorenzo, AV; Snodgrass, SR; Uretsky, NJ | 1 |
| Bartlett, JR; Bridges, PK; Curzon, G; Kantamaneni, BD | 1 |
| Lapierre, YD; Rastogi, RB; Singhal, RL | 1 |
| Butler, IJ; Koslow, SH | 1 |
| Scally, MC; Ulus, I; Wurtman, RJ | 1 |
| Callaghan, N; Curzon, G; Kantamaneni, BD; Murnaghan, D; Sullivan, PA | 1 |
| Katzman, R; Wexler, B | 1 |
| Biggio, G; Gessa, GL; Porceddu, ML | 1 |
| Bischko, J; Krisper, H; Rett, A; Riederer, P; Tenk, H; Werner, H | 1 |
| Deshmukh, VD; Haufrect, DB; Jacob, RH; Mathew, NT; Meyer, JS; Morrell, RM; Perez, FI; Welch, KM | 1 |
| Awazi, N; Guldberg, HC | 1 |
| Ebert, MH; Gross, HA; Kopin, IJ; Lake, CR; Ziegler, MG | 1 |
| Fernstrom, JD; Sved, AF; Wurtman, RJ | 1 |
| Anderson, GM; Cohen, DJ; Young, JG | 1 |
| Hyttel, J | 1 |
| Braestrup, C; Nielsen, M | 2 |
| Biggio, G; Fratta, W; Gessa, GL; Porceddu, ML | 1 |
| Kääriäinen, I | 1 |
| Bartlett, JR; Bridges, PK; Curzon, G; Kantamaneni, BD; Sepping, P | 1 |
| Maître, L; Waldmeier, PC | 1 |
| Corne, SJ; Goodwin, BL; Johnson, RD; Ruthven, CR; Sandler, M; Stephens, RJ | 1 |
| Shibuya, H; Toru, M; Watanabe, S | 1 |
| Bariletto, S; Dollar, E; Leitz, F | 1 |
| Birkmayer, W; Riederer, P | 1 |
| Karoum, F; Ruthven, CR; Sandler, M | 1 |
| Grasdijk, L; Korf, J; Westerink, BH | 1 |
| Clayton, PT; Hyland, K | 2 |
| 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 |
| Jenner, P; Marsden, CD; Rose, S | 2 |
| Andresen, J; Lou, HC; Nielsen, JB | 1 |
| Afonso, D; Castellanos, MA; Rodriguez, M | 1 |
| Böswart, J; Zeman, J | 1 |
| Abe, T; Takahashi, S | 1 |
| Wikberg, T | 1 |
| De Herdt, P; Maitre, L; Waldmeier, PC | 1 |
| Antonin, KH; Bieck, PR; Nilsson, E | 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 |
| Carlsson, A; Clark, D; Fornstedt, B; Pileblad, E | 1 |
| Anderson, GM; Cohen, DJ; Harcherik, DF; McIntosh, S; Riddle, MA; Shaywitz, BA | 1 |
| Freeman, GB; Gibson, GE; Nielsen, P | 1 |
| Curzon, G; Kennett, GA; Marcou, M | 1 |
| Guan, XM; McBride, WJ | 1 |
| Bruhn, P; Gerdes, AM; Lou, HC; Lykkelund, C; Udesen, H | 1 |
| Itoh, T; Masuda, Y; Murai, S; Saito, H | 1 |
| Anderson, GM; Berrettini, WH; Bissette, G; Chappell, P; Cohen, DJ; Goodman, WK; Hardin, M; Leckman, JF; Nemeroff, CB; Riddle, MA | 1 |
| Christensen, E; Gerdes, AM; Güttler, F; Lou, HC; Lykkelund, C; Nielsen, JB; Rasmussen, V | 1 |
| Dissing, IC; Gerdes, AM; Güttler, F; Lou, H; Lykkelund, C; Pakkenberg, H; Rasmussen, V | 1 |
| Alfredsson, G; Wiesel, FA | 1 |
| Anderson, GM; Cohen, DJ; Shaywitz, BA | 1 |
| Anderson, GM; Cohen, DJ; Hoder, EL; Shaywitz, BA | 1 |
| Guilarte, TR | 1 |
| Cohen, Y; el Gemayel, G; Jacquot, C; Prioux-Guyonneau, M; Trouvin, JH | 1 |
| Gibson, CJ | 3 |
| Armengaud, C; Leitner, LM; Malber, CH; Roumy, M; Ruckebusch, M; Sutra, JF | 1 |
| Acworth, IN; During, MJ; Wurtman, RJ | 1 |
| Adler, LE; Baker, NJ; Berry, S; Cox, B; Drebing, C; Freedman, R; Gerhardt, G; Phillips, W; Waldo, M | 1 |
| Hayashi, T; Iida, Y; Kamada, S; Naruse, H; Shimamura, M | 1 |
| Rorie, DK; Tyce, GM | 1 |
| Bermejo Pareja, F; de Yébenes, JG; Martinez-Martin, P; Muradas, V | 1 |
| Carlsson, A | 1 |
| Constantinidis, J | 1 |
| Eplov, L; Nielsen, M; Scheel-Krüger, J | 1 |
| Kohsaka, M; Mori, A; Takeuchi, H | 1 |
| Angrist, B; Gershon, S | 1 |
| Beasley, BL; DeSimone, SM; Hare, TA; Vogel, WH | 1 |
| Buxton, BH; Curzon, G; Fenton, G; Kantamaneni, BD; Parkes, JD; Record, C; Struthers, G | 1 |
| Goodwin, FK; Sack, RL | 1 |
| Baerlocher, K; Curtius, HC; Völlmin, JA | 1 |
| Aaron, JJ; Mousa, JJ; Spann, WJ; Winefordner, JD | 1 |
| Dinsmore, SR; Mrochek, JE; Ohrt, DW | 1 |
| Barlow, JJ; Juorio, AV | 1 |
| Leonard, BE; Rigter, H | 1 |
| Dols, LC; Flentge, F; Korf, J; Schut, T; van Praag, HM | 1 |
| Curzon, G; Davidson, AR; Kantamaneni, BD; Knell, AJ; Williams, R | 1 |
| Uretsky, NJ | 1 |
| Dallaire, L; Grignon, B; Melançon, SB; Potier, M | 1 |
| Engström, G; Svensson, TH; Waldeck, B | 1 |
| Hoeldtke, RD; Wurtman, RJ | 1 |
| Greenland, RD; Lasley, SM; Michaelson, IA; Minnema, DJ | 1 |
| Adcock, EW; Butler, IJ; Caprioli, RM; Denson, SE; Howell, RR; Morriss, FH; Seifert, WE; Stoerner, JW | 1 |
| Hirata, Y; Lin, PT; Novotný, M; Wightman, RM | 1 |
| Bartlett, JR; Bridges, PK; Curzon, G; Gillman, PK; Kantamaneni, BD; Van Boxel, P | 1 |
| Bruntlett, CS; Kissinger, PT; Shoup, RE | 1 |
| Huot, S; Palfreyman, MG; Vitali, P; Wagner, J; Zraika, M | 1 |
| Growdon, JH; Hefti, F; Logue, M; Melamed, E; Wurtman, RJ | 1 |
| Callaghan, N; Curzon, G; Kantamaneni, BD; Sullivan, PA | 1 |
| Korf, J; van den Burg, W; van den Hoofdakker, RH | 1 |
| Knight, JA; Robertson, G; Wu, JT | 1 |
| Brown, JW; Thurmond, JB | 1 |
| Honegger, CG; Isler, H | 1 |
| Ervin, FR; Young, SN | 1 |
| Brown, JW; Kramarcy, NR; Thurmond, JB | 1 |
| Aguado, EG; de Yebenes, JG; Mena, MA | 1 |
| Burri, R; Honegger, CG; Kempf, A; Langemann, H | 1 |
| Anderson, GM; Cohen, DJ; Fairbanks, L; Gerner, RH; Hare, TA; Linnoila, M; Scheinin, M; Shaywitz, BA; Young, JG | 2 |
| 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 |
| Anderson, GH; Johnston, JL; Warsh, JJ | 1 |
| Boulton, AA; Juorio, AV | 2 |
| Anderson, GM; Young, JG | 1 |
| Oishi, T; Wurtman, RJ | 1 |
| Agharanya, JC; Alonso, R; Gibson, CJ; Prieto, L; Wurtman, RJ | 1 |
| Fahn, S; Reches, A | 1 |
| Johnson, KM; Oeffinger, KC | 1 |
| Chandra, SV; Shukla, GS | 1 |
| Kaakkola, S; Kask, A; Männistö, PT; Törnwall, M; Tuomainen, P | 1 |
| Kabuto, H; Kurimoto, T; Mori, A; Takei, M; Yokoi, I | 1 |
| Bertrand, A; Weil-Fugazza, J | 1 |
| Abe, T; Saheki, M; Takahashi, S; Tohgi, H; Tsukamoto, Y; Yamazaki, K | 1 |
| Bamberg, H; Böhme, V; Moser, A; Nobbe, F; Scholz, J; Vieregge, P | 1 |
| Hashiguti, H; Ikeda, T; Maruyama, W; Nakahara, D; Naoi, M | 1 |
| Hemmings, GP; Ramchand, CN; Wei, J; Xu, H | 1 |
| Bjurling, P; Hartvig, P; Kihlberg, T; Långström, B; Lindner, KJ; Tani, Y; Tsukada, H; Watanabe, Y; Westerberg, G | 1 |
| Hemmings, GP; Wei, J; Xu, HM | 1 |
| Alford, M; Galasko, D; Hansen, L; Langlais, PJ; Masliah, E; Thal, L | 1 |
| Antonin, KH; Bieck, PR; Dostert, P; Farger, G; Nilsson, EB; Schmidt, EK; Strolin Benedetti, M; Waldmeier, PC | 1 |
| Cooke, F; Hanley, MR; Hawkins, PT; Poyner, DR; Reynolds, DJ | 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 |
| Cohen, G; DiRocco, A; Merchant, CA; Molinari, S; Moros, D; Mytilineou, C; Yahr, MD | 1 |
| Faull, KF; Fisher, RS; Fluharty, AL; Gayek, RJ; Lazareff, JA; Olmstead, CE; Orlino, EN; Peacock, WJ; Wehby-Grant, MC | 1 |
| Berger, DC; Duncan, SD; Greene, SM; Hilton, FK; Hilton, MA; Radmacher, PG | 1 |
| Alling, C; Bennicke, K; Breum, L; Bøge-Rasmussen, T; Jensen, C; Larsen, OG; Mortensen, EL; Møller, SE | 1 |
| Bachmann, C; Cervantes, H; Colombo, JP; Kokorovic, M; Perritaz, R | 1 |
| Rinne, UK; Ruottinen, HM | 1 |
| Bjerkenstedt, L; Wiesel, FA | 1 |
| Achilli, G; Banting, A; Banting, S; Le Bars, D; Weil-Fugazza, J | 1 |
| Antkiewicz-Michaluk, L; Krygowska-Wajs, A; Romańska, I; Szczudlik, A; Vetulani, J | 1 |
| Jaskowski, P; Kömpf, D; Moser, A; Siebecker, F; Vieregge, P | 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 |
| Andersen, JK; Andreassen, OA; Beal, MF; Bogdanov, M; Dedeoglu, A; Ferrante, RJ; Jiang, D; Klivenyi, P; Lancelot, E; Mueller, G | 1 |
| Bräutigam, C; Hoffman, GF; Hyland, K; Knust, A; Sharma, RK; Wevers, RA | 1 |
| DeJesus, OT; Stein, TD | 1 |
| Ali, SF; Imam, SZ; Islam, F; Itzhak, Y; Slikker, W | 1 |
| Eklundh, T; Gunnarsson, T; Nordin, C; Ornhagen, H | 1 |
| Jenner, P; Rose, S; Treseder, SA | 1 |
| Eklundh, T; Gunnarsson, T; Nordin, C | 1 |
| Lavrikova, EV; Pozdeyev, NV | 1 |
| Kawano, H; Matsushita, H; Ochi, M; Sakai, H; Takeuchi, Y | 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 |
| Bosca, L; Camarero, J; Colado, MI; Green, AR; O'Shea, E; Sanchez, V; Zeini, M | 1 |
| Schmidt, WJ; Srinivasan, J | 2 |
| DUCHON, J; GREGORA, V | 1 |
| GREER, M; WILLIAMS, CM | 1 |
| Chiriboga, CA; Clayton, PT; De Vivo, DC; Ford, B; Hinton, V; Hyland, K; Pons, R; Sharma, R | 1 |
| Birk Møller, L; Diepold, K; Güttler, F; Hougaard, P; Romstad, A; Rostasy, K; Schütz, B; Wilken, B | 1 |
| Selley, ML | 1 |
| Gilbert, DL; Merhar, SL | 1 |
| Ali, S; Duhart, H; Lyn-Cook, BD; Newport, G; Tareke, E | 1 |
| Area, E; Artuch, R; Cormand, B; Drakaki, K; Garcia-Cazorla, A; Giannakopoulos, A; Kanavakis, E; Orfanou, I; Ormazabal, A; Pons, R; Ribasés, M; Serrano, M; Toma, C; Youroukos, S | 1 |
| Gudasheva, TA; Klodt, PM; Kudrin, VS; Narkevich, VB; Ostrovskaia, RU; Shubenina, EV | 1 |
| Arrant, AE; Kuhn, CM; Sánchez, CL; Van Swearingen, AE; Zepf, FD | 1 |
| Broadbelt, KG; Haas, EA; Harty, BJ; Haynes, RL; Hyland, K; Kinney, HC; Krous, HF; Mena, O; Paterson, DS; Rognum, IJ; Tran, H | 1 |
| Higdon, R; Kolker, E; Mirza, DF; Murphy, N; Perera, MT; Richards, DA; Silva, MA | 1 |
| Akiyama, M; Akiyama, T; Hanaoka, Y; Hayashi, Y; Kobayashi, K; Kubota, M; Nakamura, K; Shibata, T; Tsuyusaki, Y; Yoshinaga, H | 1 |
| Agartz, I; Andreou, D; Bjerkenstedt, L; Comasco, E; Flyckt, L; Johansson, J; Jönsson, EG; Lewander, T; Oreland, L; Söderman, E; Terenius, L; Toffoletto, S; Venizelos, N; Vumma, R | 1 |
| Chen, JC; Chen, Y; Cheng, L; Ding, YJ; Liu, Z; Sun, XD; Wu, HL; Yu, RQ | 1 |
| Anstey, NM; DeRisi, JL; Florence, SM; Granger, DL; Hyland, K; Langelier, C; Lopansri, BK; Mukemba, JP; Mwaikambo, ED; Nakielny, S; Rubach, MP; Simmons, RA; Weinberg, JB; Yeo, TW | 1 |
| Balasubramaniam, S; Bandodkar, S; Devanapalli, B; Junek, R; Kim, WT; Mohammad, S; Parayil Sankaran, B; Wong, RSH; Wotton, T | 1 |
7 review(s) available for tyrosine and homovanillic acid
| 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 |
Some aspects of dopamine in the central nervous system.
Topics: 5-Hydroxytryptophan; Acetylcholine; Animals; Apomorphine; Brain; Brain Stem; Cerebral Cortex; Cerebral Ventricles; Dihydroxyphenylalanine; Dopamine; Ethanol; Ethyl Ethers; Feedback; Haloperidol; Homovanillic Acid; Hydroxybutyrates; Hypoxia, Brain; Male; Methods; Methyltyrosines; Rats; Receptors, Drug; Social Environment; Tritium; Tyrosine; Tyrosine 3-Monooxygenase | 1974 |
Dopamine and psychotic states: preliminary remarks.
Topics: Amphetamine; Animals; Apomorphine; Behavior, Animal; Carbon Radioisotopes; Cats; Cocaine; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Methylphenidate; Pemoline; Phenmetrazine; Pimozide; Psychoses, Substance-Induced; Psychotic Disorders; Rats; Receptors, Cell Surface; Species Specificity; Stereotyped Behavior; Thioridazine; Tyrosine | 1974 |
Central dopamine function in affective illness: evidence from precursors, enzyme inhibitors, and studies of central dopamine turnover.
Topics: Adult; Affective Symptoms; Anger; Bipolar Disorder; Central Nervous System; Depression; Diagnosis, Differential; Dihydroxyphenylalanine; Dopamine; Dopamine beta-Hydroxylase; Female; Homovanillic Acid; Humans; Male; Methyltyrosines; Middle Aged; Norepinephrine; Picolinic Acids; Probenecid; Psychiatric Nursing; Psychotic Disorders; Time Factors; Tyrosine | 1974 |
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 |
Applications of liquid chromatographic-fluorometric systems in neurochemistry.
Topics: 5-Hydroxytryptophan; Animals; Body Fluids; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Dopamine; Epinephrine; Homovanillic Acid; Humans; Indoleacetic Acids; Indoles; Norepinephrine; Serotonin; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 1981 |
Aromatic L-amino acid decarboxylase deficiency: clinical features, treatment, and prognosis.
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Aromatic-L-Amino-Acid Decarboxylases; Child; Child, Preschool; Disease Progression; Dopamine Agonists; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Monoamine Oxidase Inhibitors; Prognosis; Sex Factors; Treatment Outcome; Tyrosine; Vitamin B 6 | 2004 |
7 trial(s) available for tyrosine and homovanillic acid
| Article | Year |
|---|---|
Biochemical and clinical effects of tyrosine and tryptophan in the Rett syndrome.
Topics: Adolescent; Child; Dopamine; Double-Blind Method; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Rett Syndrome; Tryptophan; Tyrosine | 1990 |
Increased vigilance and dopamine synthesis by large doses of tyrosine or phenylalanine restriction in phenylketonuria.
Topics: Adolescent; Adult; Arousal; Clinical Trials as Topic; Dopamine; Double-Blind Method; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Phenylalanine; Phenylketonurias; Reaction Time; Tyrosine | 1987 |
Tetrahydrobiopterin and Parkinson's disease.
Topics: Adult; Antiparkinson Agents; Benserazide; Biopterins; Clinical Trials as Topic; Drug Combinations; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Male; Middle Aged; Parkinson Disease; Tyrosine | 1989 |
Monoamine metabolites and amino acids in serum from schizophrenic patients before and during sulpiride treatment.
Topics: Adolescent; Adult; Amino Acids; Biogenic Monoamines; Female; Glutamates; Glutamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Meglutol; Schizophrenia; Sulpiride; Tryptophan; Tyrosine | 1989 |
Human transplacental transfer of carbidopa/levodopa.
Topics: Antiparkinson Agents; Carbidopa; Dopamine; Female; Fetus; Homovanillic Acid; Humans; Levodopa; Maternal-Fetal Exchange; Parkinson Disease; Pregnancy; Tyrosine | 1995 |
Effect of one month's treatment with peripherally acting catechol-O-methyltransferase inhibitor, entacapone, on pharmacokinetics and motor response to levodopa in advanced parkinsonian patients.
Topics: Aged; Antiparkinson Agents; Catechol O-Methyltransferase Inhibitors; Catechols; Dopamine Agents; Double-Blind Method; Enzyme Inhibitors; Female; Homovanillic Acid; Humans; Levodopa; Male; Middle Aged; Nitriles; Parkinson Disease; Tyrosine | 1996 |
Increase in salsolinol level in the cerebrospinal fluid of parkinsonian patients is related to dementia: advantage of a new high-performance liquid chromatography methodology.
Topics: Adult; Aged; Antiparkinson Agents; Chromatography, High Pressure Liquid; Dementia; Female; Homovanillic Acid; Humans; Isoquinolines; Levodopa; Male; Middle Aged; Parkinson Disease; Psychiatric Status Rating Scales; Tyrosine | 1997 |
162 other study(ies) available for tyrosine and homovanillic acid
| 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 |
Transmitter precursors and metabolites in human ventricular cerebrospinal fluid.
Topics: Cerebral Ventricles; Frontal Lobe; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Neurotic Disorders; Neurotransmitter Agents; Phenylacetates; Schizophrenia; Tryptophan; Tyrosine | 1976 |
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 |
Biogenic amine synthesis defect in dihydropteridine reductase deficiency.
Topics: 5-Hydroxytryptophan; Biogenic Amines; Carbidopa; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Intellectual Disability; Levodopa; Male; NADH, NADPH Oxidoreductases; Neurotransmitter Agents; Phenylketonurias; Probenecid; Seizures; Serotonin; Tyrosine | 1977 |
Brain tyrosine level controls striatal dopamine synthesis in haloperidol-treated rats.
Topics: Animals; Brain Chemistry; Corpus Striatum; Dopamine; Drug Interactions; Haloperidol; Homovanillic Acid; Male; Probenecid; Rats; Tyrosine; Tyrosine 3-Monooxygenase | 1977 |
Cerebral transmitter precursors and metabolites in advanced renal disease.
Topics: Adult; Aged; Brain; Brain Diseases; Fatty Acids, Nonesterified; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Neurotransmitter Agents; Probenecid; Serum Albumin; Sex Factors; Tryptophan; Tyrosine; Uremia | 1978 |
Effects of dibutyryl cyclic AMP on tyrosine uptake and metabolism in neuroblastoma cultures.
Topics: Animals; Bucladesine; Cell Line; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxylation; Methoxyhydroxyphenylglycol; Mice; Neuroblastoma; Norepinephrine; Time Factors; Tyrosine; Vanilmandelic Acid | 1975 |
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 |
Manipulation of neurotransmitters by acupuncture (?) (A preliminary communication).
Topics: Acupuncture Therapy; Adolescent; Adult; Age Factors; Aged; Child; Child, Preschool; Depression; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Male; Middle Aged; Neurotransmitter Agents; Tryptophan; Tyrosine; Vanillic Acid; Vanilmandelic Acid | 1975 |
Neurotransmitter precursor amino acids in the treatment of multi-infarct dementia and Alzheimer's disease.
Topics: 5-Hydroxytryptophan; Aged; Alzheimer Disease; Carbidopa; Dementia; Dopamine; Drug Combinations; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Neurocognitive Disorders; Probenecid; Serotonin; Tyrosine | 1977 |
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 |
Catecholamine metabolism in primary anorexia nervosa.
Topics: Adolescent; Adult; Anorexia Nervosa; Blood Pressure; Catecholamines; Child; Dopamine beta-Hydroxylase; Female; Heart Rate; Homovanillic Acid; Humans; Methoxyhydroxyphenylglycol; Norepinephrine; 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 |
Rapid liquid chromatographic determination of tryptophan, tyrosine, 5-hydroxyindoleacetic acid and homovanillic acid in cerebrospinal fluid.
Topics: Chromatography, Liquid; Homovanillic Acid; Humans; Indoleacetic Acids; Time Factors; Tryptophan; Tyrosine | 1979 |
Effect of piflutixol on turnover of catecholamines in mouse brain and rat corpus striatum.
Topics: Animals; Brain; Catecholamines; Corpus Striatum; Dopamine; Dose-Response Relationship, Drug; Homovanillic Acid; Male; Mice; Norepinephrine; Phenylacetates; Rats; Thioxanthenes; Time Factors; Tyrosine | 1977 |
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 |
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 |
Effects of aminooxyacetic acid and baclofen on the catalepsy and on the increase of mesolimbic and striatal dopamine turnover induced by haloperidol in rats.
Topics: Acetates; Aminobutyrates; Aminooxyacetic Acid; Animals; Baclofen; Brain Chemistry; Catalepsy; Corpus Striatum; Dopamine; Female; gamma-Aminobutyric Acid; Haloperidol; Homovanillic Acid; Humans; Limbic System; Rats; Tyrosine | 1976 |
Precursors and metabolites of 5-hydroxytryptamine and dopamine in the ventricular cerebrospinal fluid of psychiatric patients.
Topics: Adult; Aged; Anxiety Disorders; Brain Diseases; Cerebral Ventricles; Depression; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mental Disorders; Middle Aged; Obsessive-Compulsive Disorder; Phenylacetates; Schizophrenia; Tryptophan; 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 |
Metatyramine as a dopaminergic agonist.
Topics: 3-Methoxy-4-hydroxyphenylethanol; Animals; Dopamine; Drug Interactions; Exploratory Behavior; Homovanillic Acid; Levodopa; Motor Activity; Phenylacetates; Rats; Receptors, Drug; Reserpine; Tyramine; Tyrosine | 1975 |
Separation of homovanillic acid and vanillylmandelic acid with ion-exchange resin column.
Topics: Anion Exchange Resins; Brain Chemistry; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Norepinephrine; Phenylacetates; Tyrosine; Vanilmandelic Acid | 1975 |
Effect of amantadine on the rate of dopamine synthesis in rat corpus striatum.
Topics: Amantadine; Amphetamine; Animals; Apomorphine; Catechols; Corpus Striatum; Dopamine; Haloperidol; Homovanillic Acid; Male; Methyltyrosines; Rats; Tritium; Tyrosine | 1975 |
Biochemical post-mortem findings in depressed patients.
Topics: Aged; Brain Chemistry; Brain Mapping; Circadian Rhythm; Depression; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Norepinephrine; Remission, Spontaneous; Serotonin; Tryptophan; Tyrosine; Vanilmandelic Acid | 1975 |
Urinary phenolic acid and alcohol excretion in the newborn.
Topics: Alcohols; Amino Acid Metabolism, Inborn Errors; Bilirubin; Birth Weight; Catecholamines; Creatinine; Dopamine; Epinephrine; Female; Gestational Age; Homovanillic Acid; Humans; Infant, Newborn; Infant, Premature; Jaundice, Neonatal; Male; Norepinephrine; Phenols; Phenylalanine; Tyrosine; Vanilmandelic Acid | 1975 |
Effects of electrical stimulation of the nigrostriatal pathway of the rat on dopamine metabolism.
Topics: Afferent Pathways; Animals; Apomorphine; Chloral Hydrate; Corpus Striatum; Dopamine; Electric Stimulation; Homovanillic Acid; Isoquinolines; Male; Methyltyrosines; Probenecid; Rats; Substantia Nigra; Tyrosine | 1976 |
Aromatic L-amino acid decarboxylase deficiency: diagnostic methodology.
Topics: 5-Hydroxytryptophan; Aromatic-L-Amino-Acid Decarboxylases; Child; Child, Preschool; Chromatography, High Pressure Liquid; Dopa Decarboxylase; Gas Chromatography-Mass Spectrometry; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Levodopa; Liver; Metabolism, Inborn Errors; Reference Values; 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 |
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 |
Aromatic amino acid decarboxylase deficiency in twins.
Topics: Aromatic-L-Amino-Acid Decarboxylases; Bromocriptine; Diseases in Twins; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Norepinephrine; Pyridoxine; Serotonin; Tranylcypromine; Twins, Monozygotic; Tyrosine | 1990 |
[The effect of amino acids on neurotransmitter metabolites in the cerebrospinal fluid].
Topics: Child, Preschool; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Tryptophan; Tyrosine | 1991 |
[Age changes in concentrations of monoamines and related substances in the cerebrospinal fluid].
Topics: Adolescent; Adult; Aged; Aging; Biogenic Monoamines; Child; Chromatography, High Pressure Liquid; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Neurotransmitter Agents; Norepinephrine; Tryptophan; 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 |
Effects of the COMT inhibitor, CGP 28014, on plasma homovanillic acid and O-methylation of exogenous L-dopa in the rat.
Topics: Amidines; Animals; Catechol O-Methyltransferase Inhibitors; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Electrochemistry; Female; Homovanillic Acid; Levodopa; Pyridones; Rats; Rats, Inbred Strains; 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 |
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 |
Acute effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine on dopamine metabolism in mouse and rat striatum.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 5-Hydroxytryptophan; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Pyridines; Rats; Rats, Inbred Strains; Species Specificity; Time Factors; Tryptophan; Tyrosine | 1985 |
Cerebrospinal fluid monoamine precursor and metabolite levels in children treated for leukemia: age and sex effects and individual variability.
Topics: Adolescent; Age Factors; Child; Child, Preschool; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Leukemia, Lymphoid; Male; Sex Factors; Tryptophan; Tyrosine | 1986 |
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 |
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 |
Elevated CSF dynorphin A [1-8] in Tourette's syndrome.
Topics: Dynorphins; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Peptide Fragments; Reference Values; Tourette Syndrome; Tryptophan; Tyrosine | 1988 |
Increased neurotransmitter biosynthesis in phenylketonuria induced by phenylalanine restriction or by supplementation of unrestricted diet with large amounts of tyrosine.
Topics: Adolescent; Adult; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Neurotransmitter Agents; Phenylalanine; Phenylketonurias; Reaction Time; Tyrosine; Visual Perception | 1988 |
Cerebrospinal fluid (CSF) and brain monoamine metabolites in the developing rat pup.
Topics: Animals; Biogenic Amines; Brain Chemistry; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1985 |
Neurotransmitter precursors and metabolites in CSF of human neonates.
Topics: Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoleacetic Acids; Infant, Newborn; Infant, Newborn, Diseases; Infant, Premature; Male; Methoxyhydroxyphenylglycol; Neurotransmitter Agents; Reference Values; Tryptophan; Tyrosine | 1985 |
Effect of vitamin B-6 nutrition on the levels of dopamine, dopamine metabolites, dopa decarboxylase activity, tyrosine, and GABA in the developing rat corpus striatum.
Topics: Age Factors; Animals; Aromatic-L-Amino-Acid Decarboxylases; Behavior, Animal; Corpus Striatum; Dopa Decarboxylase; Dopamine; Female; gamma-Aminobutyric Acid; Homovanillic Acid; Pregnancy; Pyridoxine; Rats; Tyrosine | 1989 |
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 |
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 |
Reproducibility of the measurement of plasma noradrenergic and dopaminergic metabolites in normal subjects.
Topics: Adult; Blood Pressure; Chromatography, High Pressure Liquid; Circadian Rhythm; Diet; Emotions; Female; Glycols; Homovanillic Acid; Humans; Male; Methoxyhydroxyphenylglycol; Motor Activity; Pulse; Tyramine; Tyrosine; Vanilmandelic Acid | 1988 |
Sensitive determination of tyrosine metabolites, p-hydroxyphenylacetic acid, 4-hydroxy-3-methoxyphenyl-acetic acid and 4-hydroxy-3-methoxymandelic acid, by gas chromatography-negative-ion chemical-ionization mass spectrometry. Application to a stable isot
Topics: Chromatography, High Pressure Liquid; Deuterium; Gas Chromatography-Mass Spectrometry; Homovanillic Acid; Humans; Phenylacetates; Time Factors; Tyrosine; Vanilmandelic Acid | 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 |
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 |
Carbidopa dosage modifies L-dopa induced side effects and blood levels of L-dopa and other amino acids in advanced parkinsonism.
Topics: Aged; Carbidopa; Drug Therapy, Combination; Female; Homovanillic Acid; Humans; Kinetics; Levodopa; Male; Middle Aged; Parkinson Disease; Tryptophan; Tyrosine | 1985 |
[Monoamines and choreic syndromes].
Topics: Amines; Butyrophenones; Chorea; Diazepam; Dihydroxyphenylalanine; Dopamine; Ganglia; Globus Pallidus; Homovanillic Acid; Humans; Huntington Disease; Mental Disorders; Methyldopa; Methyltyrosines; Models, Neurological; Movement Disorders; Phenothiazines; Physostigmine; Reserpine; Thalamus; Tranquilizing Agents; Tyrosine | 1972 |
Protriptyline induced inhibition of the in vivo 3H-noradrenaline synthesis from 3H-L-dopa in the rat brain.
Topics: Animals; Antidepressive Agents; Aromatic Amino Acid Decarboxylase Inhibitors; Benserazide; Brain; Brain Chemistry; Catecholamines; Cerebral Ventricles; Chromatography, Ion Exchange; Dibenzocycloheptenes; Homovanillic Acid; Injections; Levodopa; Male; Norepinephrine; Propylamines; Rats; Specific Pathogen-Free Organisms; Spectrometry, Fluorescence; Time Factors; Tritium; Tyrosine | 1974 |
[Effect of catecholamines and their analogs on the electric activity of a giant neuron identified in the subesophageal ganglia of the giant african snail (Achatina fulica Ferussac)].
Topics: Action Potentials; Animals; Catecholamines; Dopamine; Epinephrine; Homovanillic Acid; Levodopa; Mandelic Acids; Methoxyhydroxyphenylglycol; Neural Conduction; Neurons; Norepinephrine; Normetanephrine; Octopamine; Phenylalanine; Snails; Structure-Activity Relationship; Synephrine; Tyramine; Tyrosine | 1974 |
Simultaneous measurement of DOPA and its primary metabolites in physiological fluids.
Topics: Autoanalysis; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Evaluation Studies as Topic; Homovanillic Acid; Humans; Methods; Methyl Ethers; Phenylacetates; Pressure; Spectrometry, Fluorescence; Time Factors; Tyrosine | 1974 |
Narcolepsy and cataplexy. Clinical features, treatment and cerebrospinal fluid findings.
Topics: Adult; Amphetamine; Aspartic Acid; Body Weight; Cataplexy; Cerebrospinal Fluid Proteins; Dextroamphetamine; Electroencephalography; Feeding and Eating Disorders; Female; Homovanillic Acid; Humans; Libido; Male; Mental Disorders; Methionine; Middle Aged; Narcolepsy; Phenylalanine; Syndrome; 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 |
An analytical study of catecholamine metabolites by phosphorimetry.
Topics: Amino Alcohols; Catecholamines; Dihydroxyphenylalanine; Epinephrine; Homovanillic Acid; Hydrogen-Ion Concentration; Luminescent Measurements; Methods; Norepinephrine; Normetanephrine; Phenethylamines; Phenylacetates; Tyrosine; Vanilmandelic Acid | 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 |
Formation of catecholamines and acid metabolites by Octopus brain.
Topics: Animals; Brain; Carbon Radioisotopes; Catecholamines; Chromatography; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; In Vitro Techniques; Kinetics; Mandelic Acids; Norepinephrine; Octopodiformes; Phenylacetates; Tritium; Tyramine; Tyrosine | 1973 |
Changes in brain monoamine metabolism associated with CO2-induced amnesia in rats.
Topics: Aminobutyrates; Amnesia; Animals; Behavior, Animal; Biogenic Amines; Brain; Brain Chemistry; Carbon Dioxide; Dopamine; Electroshock; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Norepinephrine; Normetanephrine; Rats; Serotonin; Tryptophan; Tyrosine | 1973 |
The influence of probenecid on the metabolism of serotonin, dopamine and their precursors in man.
Topics: Adult; Aged; Amino Acids; Brain; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Probenecid; Serotonin; Time Factors; Tryptophan; Tyrosine | 1973 |
Dopamine and serotonin metabolism in hepatic encephalopathy.
Topics: Acetaminophen; Acute Disease; Adult; Aged; Brain; Dopamine; Fatty Acids, Nonesterified; Female; Halothane; Hepatic Encephalopathy; Hepatitis A; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methionine; Middle Aged; Phenylalanine; Serotonin; Tryptophan; Tyrosine | 1974 |
Effect of alpha-methyldopa on the metabolism of dopamine in the striatum of the rat.
Topics: Animals; Brain Chemistry; Chromatography, Ion Exchange; Corpus Striatum; Dopamine; Homovanillic Acid; Hydroxydopamines; Male; Methyldopa; Monoamine Oxidase; Pargyline; Phenylacetates; Rats; Time Factors; Tritium; Tyrosine | 1974 |
[Comparative study of urine and serum organic acids in newborn infants using gas chromatography].
Topics: Acids; Amino Acid Metabolism, Inborn Errors; Benzoates; Blood Chemical Analysis; Caprylates; Chromatography, Gas; Citrates; Female; Glutamates; Hippurates; Homovanillic Acid; Humans; Lactates; Male; Malonates; Mandelic Acids; Palmitic Acids; Phenylacetates; Stearic Acids; Succinates; Tyrosine; Umbilical Cord; Urine; Valerates | 1974 |
Thyroxine and brain catecholamines: increased transmitter synthesis and increased receptor sensitivity.
Topics: Animals; Brain; Clonidine; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Exploratory Behavior; Female; Heart; Homovanillic Acid; Locomotion; Male; Mice; Norepinephrine; Organ Size; Probenecid; Receptors, Adrenergic; Reserpine; Stimulation, Chemical; Thyroxine; Tritium; Tyrosine | 1974 |
Cereal ingestion and catecholamine excretion.
Topics: Analysis of Variance; Animals; Catecholamines; Chromatography, Paper; Diet; Dihydroxyphenylalanine; Dopamine; Edible Grain; Gastric Mucosa; Homovanillic Acid; Humans; Lyases; Male; Milk; Norepinephrine; Phenylacetates; Tyrosine | 1974 |
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 |
CSF neurotransmitter studies. An infant with ascorbic acid-responsive tyrosinemia.
Topics: Ascorbic Acid; Female; Glycols; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant, Newborn; Infant, Premature; Marfan Syndrome; Methoxyhydroxyphenylglycol; Phenylacetates; Tyrosine | 1980 |
Small-volume electrochemical detector for microcolumn liquid chromatography.
Topics: Chromatography, Liquid; Electrochemistry; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mathematics; Methoxyhydroxyphenylglycol; Microchemistry; Phenylacetates; Tryptophan; Tyrosine; Vanillic Acid | 1980 |
Substances related to 5-hydroxytryptamine in plasma and in lumbar and ventricular fluids of psychiatric patients.
Topics: Adult; Affective Symptoms; Cerebral Ventricles; Depression; Fatty Acids, Nonesterified; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Serotonin; Tryptophan; Tyrosine | 1980 |
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 |
Effects of oral L-tyrosine administration on CSF tyrosine and homovanillic acid levels in patients with Parkinson's disease.
Topics: Administration, Oral; Chromatography, High Pressure Liquid; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Parkinson Disease; Phenylacetates; Probenecid; Tyrosine | 1982 |
Brain transmitter precursors and metabolites in diabetic ketoacidosis.
Topics: Adult; Blood Glucose; Brain; Diabetes Mellitus; Diabetic Ketoacidosis; Dopamine; Fatty Acids, Nonesterified; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Neurotransmitter Agents; Serotonin; Tryptophan; Tyrosine | 1982 |
Acid metabolites and precursor amino acids of 5-hydroxytryptamine and dopamine in affective and other psychiatric disorders.
Topics: Adjustment Disorders; Adult; Aged; Amino Acids; Bipolar Disorder; Depressive Disorder; Dopamine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Mental Disorders; Middle Aged; Probenecid; Protein Precursors; Psychomotor Agitation; Psychotic Disorders; Serotonin; Tryptophan; Tyrosine | 1983 |
The chemical basis and specificity of the nitrosonaphthol reaction.
Topics: Amino Acid Metabolism, Inborn Errors; Carcinoid Tumor; Chemical Phenomena; Chemistry; Guaiacol; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Indoles; Neuroblastoma; Nitroso Compounds; Phenylacetates; Spectrophotometry, Ultraviolet; Tyramine; Tyrosine | 1983 |
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 |
Neurotransmitters, precursors and metabolites in spinal cord and brain of Lewis rats with EAE.
Topics: Animals; Brain; Dopamine; Encephalomyelitis, Autoimmune, Experimental; Epinephrine; Homovanillic Acid; Hydroxyindoleacetic Acid; Neurotransmitter Agents; Norepinephrine; Rats; Rats, Inbred Lew; Serotonin; Spinal Cord; Tryptophan; Tyrosine | 1984 |
Cerebrospinal fluid measurements suggest precursor availability and sex are involved in the control of biogenic amine metabolism in a primate.
Topics: Animals; Biogenic Amines; Chlorocebus aethiops; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Sex Factors; 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 |
Determination of neurotransmitter systems in human cerebrospinal fluid and rat nervous tissue by high-performance liquid chromatography with on-line data evaluation.
Topics: Animals; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Electrochemistry; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Microcomputers; Nerve Tissue; Neurotransmitter Agents; Rats; Serotonin; Spectrometry, Fluorescence; Spinal Cord; Tryptophan; Tyrosine | 1984 |
CSF neurochemistry of women with anorexia nervosa and normal women.
Topics: Adolescent; Adult; Anorexia Nervosa; Body Weight; Calcium; Choline; Depressive Disorder; Female; gamma-Aminobutyric Acid; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Phenylacetates; Tryptophan; Tyrosine | 1984 |
CSF neurochemistry in depressed, manic, and schizophrenic patients compared with that of normal controls.
Topics: Adolescent; Adult; Age Factors; Aged; Bipolar Disorder; Calcium; Choline; Depressive Disorder; Female; gamma-Aminobutyric Acid; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Research Design; Schizophrenia; 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 |
Obesity and precursor availability affect urinary catecholamine metabolite production in women.
Topics: Adult; Amino Acids; Body Composition; Catecholamines; Circadian Rhythm; Dietary Proteins; Dopamine; Energy Intake; Female; Homovanillic Acid; Humans; Methoxyhydroxyphenylglycol; Norepinephrine; Obesity; Tyrosine; Vanilmandelic Acid | 1983 |
Cerebral decarboxylation of meta- and para-tyrosine.
Topics: Animals; Carboxy-Lyases; Corpus Striatum; Dose-Response Relationship, Drug; Homovanillic Acid; Male; Methyldopa; Mice; Tyramine; Tyrosine | 1983 |
Effect of tyrosine on brain catecholamine turnover in reserpine-treated rats.
Topics: Animals; Brain; Catecholamines; Drug Interactions; Homovanillic Acid; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Rats, Inbred Strains; Reserpine; Tyrosine | 1982 |
The effect of some precursor amino acids and enzyme inhibitors on the mouse striatal concentration of tyramines and homovanillic acid.
Topics: Animals; Brocresine; Corpus Striatum; Homovanillic Acid; Male; Mice; Pargyline; Phenylacetates; Phenylalanine; Tyramine; Tyrosine | 1982 |
Elevation of urinary catecholamines and their metabolites following tyrosine administration in humans.
Topics: Adolescent; Adult; Catecholamines; Creatinine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Tyrosine; Vanilmandelic Acid | 1982 |
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 |
The effect of phencyclidine on dopamine metabolism in the mouse brain.
Topics: 4-Butyrolactone; Animals; Brain; Dopamine; Dose-Response Relationship, Drug; Haloperidol; Homovanillic Acid; Humans; Locomotion; Male; Methyltyrosines; Mice; Phencyclidine; Stereotyped Behavior; Tyrosine | 1981 |
Concentrations of striatal catecholamines in rats given manganese chloride through drinking water.
Topics: Animals; Catecholamines; Chlorides; Corpus Striatum; Dopamine; Homovanillic Acid; Male; Manganese; Manganese Compounds; Monoamine Oxidase; Norepinephrine; Rats; Tyrosine | 1981 |
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 |
The anticonvulsant effect of citalopram on El mice, and the levels of tryptophan and tyrosine and their metabolites in the brain.
Topics: Animals; Anticonvulsants; Brain; Cerebral Cortex; Citalopram; Corpus Striatum; Hippocampus; Homovanillic Acid; Hydroxyindoleacetic Acid; Kynurenic Acid; Mice; Mice, Neurologic Mutants; Seizures; Serotonin; Tryptophan; Tyrosine | 1994 |
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 |
Presence of N-methyl-norsalsolinol in the CSF: correlations with dopamine metabolites of patients with Parkinson's disease.
Topics: Adult; Aged; Cerebrospinal Fluid Proteins; Dopamine; Female; Homovanillic Acid; Humans; Isoquinolines; Male; Middle Aged; Monoamine Oxidase; Parkinson Disease; Tetrahydroisoquinolines; Tyrosine | 1995 |
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 |
Low concentrations of serum tyrosine in neuroleptic-free schizophrenics with an early onset.
Topics: Adult; Age of Onset; Brain; Chromatography, High Pressure Liquid; Homovanillic Acid; Humans; Male; Middle Aged; Phenylalanine; Schizophrenia; Tryptophan; Tyrosine | 1995 |
Effect of 6R-L-erythro-5,6,7,8-tetrahydrobiopterin on in vivo L-[beta-11C]dopa turnover in the rat striatum with infusion of L-tyrosine.
Topics: Animals; Biopterins; Carbon Radioisotopes; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Extracellular Space; Homovanillic Acid; Male; Microdialysis; Molecular Structure; Rats; Rats, Sprague-Dawley; Tomography, Emission-Computed; Tyrosine | 1994 |
Studies on neurochemical heterogeneity in healthy parents of schizophrenic patients.
Topics: Adult; Aged; Antipsychotic Agents; Female; Homovanillic Acid; Humans; Male; Middle Aged; Norepinephrine; Phenotype; Phenylalanine; Prognosis; Risk Factors; Schizophrenia; Schizophrenic Psychology; Sex Factors; Tyrosine | 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 |
Clinical pharmacology of the new COMT inhibitor CGP 28,014.
Topics: Amidines; Animals; Benserazide; Catechol O-Methyltransferase Inhibitors; Corpus Striatum; Dopamine; Dose-Response Relationship, Drug; Homovanillic Acid; Humans; Isoquinolines; Kinetics; Methoxyhydroxyphenylglycol; Norepinephrine; Pyridones; Rats; Tyrosine; Vanilmandelic Acid | 1993 |
Characterization of metal ion-induced [3H]inositol hexakisphosphate binding to rat cerebellar membranes.
Topics: Animals; Calcium; Cell Membrane; Cerebellum; Dopamine; Egtazic Acid; Epinephrine; Homovanillic Acid; Inositol Phosphates; Isoproterenol; Kinetics; Magnesium; Norepinephrine; Phenylephrine; Phytic Acid; Propranolol; Rats; Tritium; 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 |
Neuroamine related compounds in the CSF of hydrocephalic rabbits.
Topics: Aging; Analysis of Variance; Animals; Chromatography, High Pressure Liquid; Homovanillic Acid; Hydrocephalus; Hydroxyindoleacetic Acid; Rabbits; Tryptophan; Tyrosine | 1995 |
Intravenous gamma-glutamyl-tyrosine elevates brain tyrosine but not catecholamine concentrations in normal rats.
Topics: Animals; Brain; Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Dipeptides; Dopamine; Homovanillic Acid; Infusions, Intravenous; Male; Norepinephrine; Parenteral Nutrition, Total; Phenylalanine; Rats; Rats, Sprague-Dawley; Tryptophan; Tyrosine | 1996 |
Aggression and personality: association with amino acids and monoamine metabolites.
Topics: Adult; Aged; Aged, 80 and over; Aggression; Amino Acids; Antisocial Personality Disorder; Blood-Brain Barrier; Brain; Extraversion, Psychological; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Neurotransmitter Agents; Personality Inventory; Reference Values; Serotonin; Tryptophan; Tyrosine | 1996 |
Tyrosine uptake and regional brain monoamine metabolites in a rat model resembling congenital hyperammonemia.
Topics: Amino Acids; Ammonia; Animals; Body Weight; Brain; Disease Models, Animal; Dopamine; Eating; Homovanillic Acid; Male; Norepinephrine; Rats; Rats, Wistar; Tyrosine; Urease; Vanilmandelic Acid | 1996 |
Tyrosine transport as an indicator of cell membrane dysfunction in schizophrenia.
Topics: Amino Acids; Biological Transport; Biopsy; Carbon Radioisotopes; Female; Fibroblasts; Homovanillic Acid; Humans; Indicators and Reagents; Male; Membranes; Schizophrenia; Tyrosine | 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 |
Salsolinol, catecholamine metabolites, and visual hallucinations in L-dopa treated patients with Parkinson's disease.
Topics: Aged; Analysis of Variance; Antiparkinson Agents; Biomarkers; Catecholamines; Female; Hallucinations; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Isoquinolines; Levodopa; Male; Parkinson Disease; Reference Values; Regression Analysis; Tyrosine | 1996 |
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 |
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 |
The influence of L-dopa on methylation capacity in aromatic L-amino acid decarboxylase deficiency: biochemical findings in two patients.
Topics: Amino Acid Metabolism, Inborn Errors; Aromatic-L-Amino-Acid Decarboxylases; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Hypokinesia; Levodopa; Methoxyhydroxyphenylglycol; Methylation; Muscle Hypotonia; Tetrahydrofolates; Tyrosine | 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 |
Cerebrospinal fluid levels of monoamine compounds and cholecystokinin peptides after exposure to standardized barometric pressure.
Topics: Adult; Affect; Age Factors; Atmospheric Pressure; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Sincalide; Spinal Puncture; Tetragastrin; Time Factors; Tryptophan; 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 |
Developmental changes in cerebrospinal fluid concentrations of monoamine-related substances in patients with dentatorubral-pallidoluysian atrophy.
Topics: Adolescent; Age Factors; Aging; Biogenic Monoamines; Case-Control Studies; Child; Child, Preschool; Chromatography, High Pressure Liquid; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Myoclonic Epilepsies, Progressive; Tryptophan; Tyrosine | 2001 |
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 |
The nNOS inhibitor, AR-R17477AR, prevents the loss of NF68 immunoreactivity induced by methamphetamine in the mouse striatum.
Topics: Animals; Body Temperature; Brain Chemistry; Corpus Striatum; Dopamine; Dopamine Agents; Dose-Response Relationship, Drug; Drug Administration Schedule; Enzyme Inhibitors; Fever; Homovanillic Acid; Male; Methamphetamine; Mice; Mice, Inbred C57BL; Neurofilament Proteins; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Oxidative Stress; Peroxynitrous Acid; Temperature; Tyrosine | 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 |
Homovanillic acid and its relation to tyrosine metabolism in melanoma.
Topics: Body Fluids; Homovanillic Acid; Humans; Melanoma; Phenylacetates; Tyrosine | 1962 |
Homovanillic acid and vanilmandelic acid in diagnosis of neuroblastoma.
Topics: Biological Assay; Homovanillic Acid; Humans; Mandelic Acids; Neuroblastoma; Phenylacetates; Tyrosine; Vanilmandelic Acid | 1963 |
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 |
Levodopa-responsive infantile parkinsonism due to a novel mutation in the tyrosine hydroxylase gene and exacerbation by viral infections.
Topics: Animals; Antiparkinson Agents; Central Nervous System Viral Diseases; Child, Preschool; DNA Mutational Analysis; Female; Histidine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Mice; Mutation; Parkinsonian Disorders; Rats; Treatment Outcome; Tyrosine; Tyrosine 3-Monooxygenase | 2005 |
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 |
Clinical (video) findings and cerebrospinal fluid neurotransmitters in 2 children with severe chronic bilirubin encephalopathy, including a former preterm infant without marked hyperbilirubinemia VIDEO.
Topics: Child; Developmental Disabilities; Female; Follow-Up Studies; Globus Pallidus; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Hyperbilirubinemia; Infant, Newborn; Infant, Premature; Infant, Premature, Diseases; Kernicterus; Magnetic Resonance Imaging; Neurotransmitter Agents; Tyrosine | 2005 |
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 |
Tyrosine hydroxylase deficiency in three Greek patients with a common ancestral mutation.
Topics: Child, Preschool; Dihydroxyphenylalanine; DNA Mutational Analysis; Greece; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Leucine; Metabolic Diseases; Methoxyhydroxyphenylglycol; Mutation; Proline; Tyrosine; Tyrosine 3-Monooxygenase; Young Adult | 2010 |
[Effect of dipeptide neurotensin analog dilept on extracellular concentrations of glutamate, GABA and HVA in N. accumbens of rat brain].
Topics: Animals; Antipsychotic Agents; Dipeptides; gamma-Aminobutyric Acid; Glutamic Acid; Homovanillic Acid; Neurotensin; Nucleus Accumbens; Proline; Rats; Rats, Wistar; Tyrosine | 2010 |
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 |
Serotonin metabolites in the cerebrospinal fluid in sudden infant death syndrome.
Topics: Analysis of Variance; Chromatography, High Pressure Liquid; Databases, Factual; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Serotonin; Sudden Infant Death; Tryptophan; Tyrosine | 2014 |
Biomarker differences between cadaveric grafts used in human orthotopic liver transplantation as identified by coulometric electrochemical array detection (CEAD) metabolomics.
Topics: Biomarkers; Homovanillic Acid; Humans; Kynurenine; Liver Transplantation; Metabolomics; Methionine; Tyrosine; Uric Acid; Xanthine | 2014 |
Simultaneous measurement of monoamine metabolites and 5-methyltetrahydrofolate in the cerebrospinal fluid of children.
Topics: Aromatic-L-Amino-Acid Decarboxylases; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dystonic Disorders; Fluorescence; Folate Receptor 1; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Limit of Detection; Methoxyhydroxyphenylglycol; Neuroaxonal Dystrophies; Reference Values; Reproducibility of Results; Tetrahydrofolates; Tyrosine | 2017 |
Genetic and Functional Study of L-Type Amino Acid Transporter 1 in Schizophrenia.
Topics: Adult; Aged; Aged, 80 and over; Case-Control Studies; Cells, Cultured; Female; Fibroblasts; Genetic Predisposition to Disease; Homovanillic Acid; Humans; Large Neutral Amino Acid-Transporter 1; Male; Methoxyhydroxyphenylglycol; Middle Aged; Polymorphism, Single Nucleotide; Protein Isoforms; Schizophrenia; Tyrosine; Young Adult | 2016 |
Target-based metabolomics for fast and sensitive quantification of eight small molecules in human urine using HPLC-DAD and chemometrics tools resolving of highly overlapping peaks.
Topics: Algorithms; Chromatography, High Pressure Liquid; Creatinine; Green Chemistry Technology; Hippurates; Homovanillic Acid; Humans; Indoleacetic Acids; Least-Squares Analysis; Limit of Detection; Metabolomics; Organic Chemicals; Reproducibility of Results; Tryptophan; Tyrosine; Uric Acid | 2019 |
Cerebrospinal Fluid Pterins, Pterin-Dependent Neurotransmitters, and Mortality in Pediatric Cerebral Malaria.
Topics: Biopterins; Central Nervous System Diseases; Child; Child, Preschool; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Malaria, Cerebral; Male; Neopterin; Neurotransmitter Agents; Prospective Studies; Pterins; Reference Values; Tanzania; Tyrosine | 2021 |
Developmental delay and non-phenylketonuria (PKU) hyperphenylalaninemia in DNAJC12 deficiency: Case and approach.
Topics: Autism Spectrum Disorder; Biopterins; Homovanillic Acid; Humans; Infant, Newborn; Male; Movement Disorders; Neurotransmitter Agents; Phenylalanine; Phenylketonurias; Tyrosine | 2023 |