homovanillic acid has been researched along with dihydroxyphenylalanine in 191 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 135 (70.68) | 18.7374 |
| 1990's | 39 (20.42) | 18.2507 |
| 2000's | 15 (7.85) | 29.6817 |
| 2010's | 2 (1.05) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Davidson, L; Hornykiewicz, O; Lloyd, KG | 1 |
| Plotnikoff, NP | 1 |
| Bohuon, C; Comoy, E; LaBrosse, EH; Schweisguth, O; Zucker, JM | 1 |
| Maitre, L; Waldmeier, PC | 3 |
| de Vries, JA; Fremouw-Ottevangers, DC; Muskiet, FA; van der Meulen, J; Wolthers, BG | 1 |
| Lal, S | 1 |
| Cier, JF; Miachon, S; Peyrin, L | 1 |
| Katzman, R; Wexler, B | 1 |
| Bol'shakova, TD; Eristavi, NL; Lukicheva, TI; Mikhaĭlov, AA; Sumarokov, AV | 1 |
| Ogawa, M; Tohgi, H | 1 |
| Davidson, L; Gall, DG; Lloyd, KG; McClung, HJ; Price, K | 1 |
| Comi, R; Fahn, S; Prasad, AL; Snider, SR | 1 |
| Green, JP; Mizoguchi, H; Orlowski, M; Wilk, S | 1 |
| Cremer, H; Neuhoff, V; Osborne, NN; Sontag, KH; Wand, P | 1 |
| Cier, JF; Dalmaz, Y; Gilly, R; Mamelle, JC; Peyrin, L; Tuil, D | 1 |
| Fernstrom, JD; Sved, AF; Wurtman, RJ | 1 |
| Davidson, DL; Mawdsley, C; Pullar, IA; Wilson, H; Yates, CM | 1 |
| Barkhatova, VP; Markova, ED | 1 |
| Brown, C; Leiner, K; Narasimhachari, N | 1 |
| Delini-Stula, A; Maître, L; Waldmeier, PC | 1 |
| Geissbühler, F; Widmer, J | 1 |
| Ivanova, VD; Raushenbakh, MO; Trapeznikov, NN; Yavorsky, VV | 1 |
| Charvet, JC; Greffe, J; Mathieu, P | 1 |
| Shibuya, H; Toru, M; Watanabe, S | 1 |
| Korf, J; Praag, HM; Schut, T | 1 |
| Fahn, S; Lane, E; Makadon, H; Prasad, AL; Snider, S | 1 |
| Aigner, TG; Cohen, RM; Doudet, DJ; McLellan, CA | 1 |
| Dekker, AJ; Gage, FH; Thal, LJ | 1 |
| Drown, DB; Jayasekara, S; Sharma, RP | 1 |
| Carlsson, A; Hoffmann, WE; Ljung, E; Lum, JT; Piercey, MF; Svensson, K | 1 |
| Lindén, IB; Nissinen, E; Pohto, P; Schultz, E | 1 |
| Bagdy, G; Goldstein, DS; Holmes, C; Kopin, IJ; Kvetnanský, R; Szemeredi, K; Weise, VK | 1 |
| De Klippel, N; Deleu, D; Ebinger, G; Herregodts, P; Michotte, Y; Sarre, S | 1 |
| Bolaños, FJ; Fattaccini, CM; Gozlan, H; Haj-Dahmane, S; Hamon, M; Lanfumey, L; Laporte, AM; Schechter, LE | 1 |
| Chang, YF; Chi, CW; Liu, HC; Liu, TY; Yang, JC | 1 |
| Barrio, JR; Hoffman, JM; Melega, WP; Phelps, ME; Schneider, JS | 1 |
| Bakri, D; Herault, J; Jouve, J; Muh, JP | 1 |
| Engel, JA; Hulthe, P; Johannessen, K; Pettersson, G | 1 |
| Cox, RF; Jackson, DM; Larsson, LG; Martin, LP; Ross, SB; Waszczak, BL | 1 |
| De Herdt, P; Maitre, L; Waldmeier, PC | 1 |
| Antonin, KH; Bieck, PR; Nilsson, E | 1 |
| Preston, KL; Schuster, CR; Seiden, LS; Wagner, GC | 1 |
| Carlsson, A; Clark, D; Fornstedt, B; Pileblad, E | 1 |
| Kuriyama, K; Miyazaki, M; Okuda, C; Saito, A | 1 |
| Carlsson, A; Pileblad, E | 1 |
| Aanderud, L; Broch, OJ | 1 |
| Carlsson, A; Hjorth, S; Jonsson, G; Nissbrandt, H; Sundström, E | 1 |
| Chen, JC; Ramirez, VD | 1 |
| Claustre, Y; Fage, D; Scatton, B; Zivkovic, B | 1 |
| Enz, A; Hefti, F; Melamed, E | 1 |
| Gibson, CJ | 2 |
| Fowler, CJ; Magnusson, O; Mohringe, B | 1 |
| Andén, NE; Björk, L; Hacksell, U; Mellin, C | 1 |
| Kaneno, S; Takahashi, R; Watanabe, A | 1 |
| Abeling, NG; Overmars, H; van Gennip, AH; Voûte, PA | 1 |
| Anokhina, ID; Bol'shakova, TD; Bremer, GP; Buniatian, AF; Ignatenko, LL | 1 |
| Trulson, ME; Ulissey, MJ | 1 |
| Dluzen, DE; Ramirez, VD | 1 |
| Chirakal, R; Firnau, G; Garnett, ES; Nahmias, C; Sood, S | 1 |
| Cannon-Spoor, E; Chuang, LW; Costa, E; Freed, WJ; Karoum, F; Wyatt, RJ | 1 |
| Armengaud, C; Leitner, LM; Malber, CH; Roumy, M; Ruckebusch, M; Sutra, JF | 1 |
| Carroll, JD; Coppen, A; Metcalfe, M; Morris, JG | 1 |
| Goodwin, BL; Hunter, KR; Ruthven, CR; Sandler, M; Stern, GM | 1 |
| Leijnse-Ybema, HJ; Schenk, G | 1 |
| Hornykiewicz, O | 2 |
| Carlsson, A; Davis, JN | 1 |
| Bonilla, E; Diez-Ewald, M | 1 |
| Lycke, E; Roos, BE | 1 |
| Matthysse, S | 1 |
| Carlsson, A | 1 |
| Chase, TN; Gordon, EK; Ng, LK | 1 |
| Constantinidis, J | 1 |
| Goodwin, FK; Post, RM | 1 |
| Garelis, E; Lal, S; Sourkes, TL; Young, SN | 1 |
| Chase, TN; Cramer, H; Ng, LK | 1 |
| Angrist, B; Gershon, S | 1 |
| Laaksonen, H; Riekkinen, P; Rinne, UK; Sonninen, V | 1 |
| Chase, TN | 2 |
| Dinapoli, RP; Muenter, MD; Sharpless, NS; Tyce, GM | 1 |
| Beasley, BL; DeSimone, SM; Hare, TA; Vogel, WH | 1 |
| Bowers, MB; Extein, I; Roth, RH | 1 |
| Cottet-Emard, JM; Dalmaz, Y; Miachon, S; Peyrin, L | 1 |
| Balakleevsky, A; Di Chiara, G; Gessa, GL; Porceddu, ML; Tagliamonte, A | 1 |
| Howes, J; Osgood, P | 1 |
| Angrist, B; Gershon, S; Sathananthan, G; Wilk, S | 1 |
| McDowell, FH; Sweet, RD | 1 |
| Hoehn, MM; Rutledge, CO | 1 |
| Schildkraut, JJ | 1 |
| Hornykiewicz, O; Kuschinsky, K | 1 |
| Barbeau, A | 1 |
| Goodwin, FK; Sack, RL | 1 |
| Baerlocher, K; Curtius, HC; Völlmin, JA | 1 |
| Juorio, AV; Killick, SW | 1 |
| Ahmed, R; Chow, R; Dowson, JH; Gillingham, FJ; Pullar, IA | 1 |
| Buscaino, GA; Campanella, G; Sori, A | 1 |
| Agnoli, A; Casacchia, M; Reitano, M; Ruggieri, S; Zamponi, A | 1 |
| Jones, DG; Lenman, JA; Robertson, MA; Turnbull, MJ | 1 |
| Aaron, JJ; Mousa, JJ; Spann, WJ; Winefordner, JD | 1 |
| Rinne, UK; Siirtola, T; Sonninen, V | 1 |
| Cox, B; Danta, G; Schnieden, H; Yuill, GM | 1 |
| Mones, RJ | 1 |
| Curzon, G; Gumpert, J; Sharpe, D | 1 |
| Hill, M; Hornykiewicz, O; Lloyd, KG; Rewcastle, NB; Sharpe, JA; Tasker, RR | 1 |
| Dinsmore, SR; Mrochek, JE; Ohrt, DW | 1 |
| Barlow, JJ; Juorio, AV | 1 |
| Boucher, R; Langelier, P; Poirier, LJ; Roberge, AG | 1 |
| Dziedzic, LB; Dziedzic, SW; Gitlow, SE | 1 |
| Klawans, HL; Weiner, WJ | 1 |
| Adriaenssens, K; Ebinger, G | 1 |
| Mars, H | 2 |
| Fodor, A; Molnár, G | 1 |
| Cruz, GA; Davila, E; Voto Bernales, J | 1 |
| Bohuon, C; Comoy, E; Lhermitte, F; Rosa, A | 1 |
| Boucher, R; Langelier, P; Poirier, LJ | 1 |
| Gelmers, HJ; Troost, J; Willemse, J | 1 |
| Calne, DB; Johnson, RD; Reid, JL; Ruthven, CR; Sandler, M | 1 |
| Chase, TN; Glaubiger, GA; Woods, AC | 1 |
| Fahn, S; Prasad, AL | 1 |
| Akbar, A; Curzon, G; Das, S; Kantamaneni, BD; Kataria, M; Knill-Jones, R; Marsden, CD; Parkes, JD; Rees, JE | 1 |
| Dziedzic, SW; Gitlow, SE | 1 |
| Ekström-Jodal, B; Häggendal, E; Roos, BE; von Essen, C | 1 |
| Messiha, FS; Morgan, JP | 1 |
| Granerus, AK; Magnusson, T; Roos, BE; Svanborg, A | 1 |
| Engström, G; Svensson, TH; Waldeck, B | 1 |
| Fahn, S | 1 |
| Kastin, AJ; Minard, FN; Plotnikoff, NP | 1 |
| Hoeldtke, RD; Wurtman, RJ | 1 |
| Krupenina, LB; Vinogradov, MV | 1 |
| Spaan, SJ; van Es, TP; Westerink, BH | 1 |
| Willner, P | 1 |
| Mulder, TB; Westerink, BH | 1 |
| Krasnov, VN; Misionzhnik, EIu; Salenko, BB; Vertogradova, OP | 1 |
| Huot, S; Palfreyman, MG; Vitali, P; Wagner, J; Zraika, M | 1 |
| Aguado, EG; de Yebenes, JG; Mena, MA | 1 |
| Parkinson, D; Rando, RR | 1 |
| Himmel, CD; Trulson, ME | 1 |
| Cassady, JM; Clemens, JA; Fuller, RW; Hynes, MD; Kelly, E; Nichols, DE; Persons, P; Phebus, LA; Smalstig, EB | 1 |
| Abeling, NG; Rajnherc, JR; van der Zee, JM; van Gennip, AH; Voûte, PA | 1 |
| Anton, AH; Crumrine, RS; Izant, RJ; Stern, RC | 1 |
| Banda, PW; Blois, MS; Selmer, LE; Sherry, AE; Thatachari, YT; Tuttle, MS | 1 |
| Aubert, C; Hansson, C; Janiaud, P; Rorsman, H; Rosengren, E; Rouge, F | 1 |
| Anokhina, IP; Kogan, BM | 1 |
| Nurk, AM; Zharkovskiĭ, AM | 1 |
| Adachi, T; Mori, K; Murakawa, M; Nakao, S; Seo, N; Shingu, K | 1 |
| Bertrand, A; Weil-Fugazza, J | 1 |
| Ase, A; Cumming, P; Gjedde, A; Kuwabara, H | 1 |
| Misawa, M; Onodera, K; Suzuki, T; Takamori, K | 1 |
| Bonuccelli, U; Fariello, R; Garant, DS; Maggio, R | 1 |
| Bjurling, P; Hartvig, P; Kihlberg, T; Långström, B; Lindner, KJ; Tani, Y; Tsukada, H; Watanabe, Y; Westerberg, G | 1 |
| Cucchi, ML; Frattini, P; Orecchia, G; Santagostino, G | 2 |
| Anastasiadis, PZ; Kuhn, DM; Levine, RA; States, JC | 1 |
| Calne, DB; Chan, GL; Hammerstad, JP; Hewitt, KA; Pate, BD; Ruth, TJ | 1 |
| Kuchel, OG; Shigetomi, S | 1 |
| Blomqvist, O; Engel, JA; Nissbrandt, H; Söderpalm, B | 1 |
| Cizza, G; Fukuhara, K; Goldstein, DS; Kopin, IJ; Kvetnanský, R; Pacák, K | 1 |
| Huang, SC; Lin, KP; Melega, WP; Phelps, ME; Quintana, J; Raleigh, MJ; Stout, DB; Yu, DC | 1 |
| Donnan, GA; Howells, DW; Liberatore, GT; Wong, JY | 1 |
| Handa, RJ; Hejna, GM; Lorens, SA | 1 |
| Pastuszko, P; Wilson, DF | 1 |
| Pestana, M; Soares-da-Silva, P; Vieira-Coelho, MA | 1 |
| Cox, HS; Esler, MD; Ferrier, C; Jennings, GL; Kaye, DM; Lambert, GW; Meredith, IT; Thompson, JM; Turner, AG; Vaz, M; Wilkinson, D | 1 |
| Moons, L; Qu, Y; Vandesande, F | 1 |
| Goldstein, DS; Goldstein, EM; Holmes, CS; Huang, YY; Ketner, K; Kinast, M; Lange, BM; Pranzatelli, MR; Sanz, A; Shevell, MI; Stanford, RE; Taff, IP; Tate, E | 1 |
| Carlsson, A; Carlsson, ML; Martin, P; Schmidt, CJ; Waters, N | 1 |
| Kuchel, O | 1 |
| Finn, A; Ross, SB; Stenfors, C; Thiblin, I | 1 |
| Finberg, JP; Ilani, T; Lamensdorf, I | 1 |
| Jenner, P; Rose, S; Treseder, SA | 1 |
| Baklaushev, VP; Chekhonin, VP; Dmitrieva, TB; Filatova, TS; Kogan, BM; Lebedev, SV; Man'kovskaya, IV; Savchenko, EA; Yusupova, IU | 1 |
| Adler, CM; Breier, A; Elman, I; Goldstein, DS; Shoaf, SE | 1 |
| Hainzl, D; Loureiro, AI; Parada, A; Soares-da-Silva, P; Vieira-Coelho, MA | 1 |
| Blazicek, P; Goldstein, DS; Grigoriev, AI; Kopin, IJ; Kvetnansky, R; Macho, L; Noskov, VB | 1 |
| Clausen, N; Eldrup, E; Scherling, B; Schmiegelow, K | 1 |
| Buhmann, C; Oechsner, M; Strauss, J; Stuerenburg, HJ | 1 |
| Gryglas, P; Januszewicz, A; Januszewicz, W; Prejbisz, A; Wocial, B | 1 |
| Assmann, B; Heales, S; Hoffmann, GF; Köhler, M; Surtees, R | 1 |
| Edén, E; Friberg, P; Lambert, G; Naredi, S; Rydenhag, B | 1 |
| Furukawa, Y | 1 |
| AGATHOPOULOS, AS; CHOREMIS, KB; CONSTANTSAS, NS; DANELATOS-ATHANASSIADIS, C | 1 |
| Alamy, M; Bengelloun, WA; Errami, M; Saddiki-Traki, F; Taghzouti, K | 1 |
| Bertrand, A; Boulet, S; Carcenac, C; Feuerstein, C; Lacombe, E; Poupard, A; Savasta, M | 1 |
| Ahtee, L; Airavaara, M; Leiviskä, R; Piepponen, TP; Relander, TR; Tuominen, RK; Vihavainen, T | 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 |
| Akiyama, M; Akiyama, T; Hanaoka, Y; Hayashi, Y; Kobayashi, K; Kubota, M; Nakamura, K; Shibata, T; Tsuyusaki, Y; Yoshinaga, H | 1 |
11 review(s) available for homovanillic acid and dihydroxyphenylalanine
| Article | Year |
|---|---|
Clinical evaluation of a method of quantitative determination of homovanillic acid for the estimation of degree of tumor dissemination process in melanoma of the skin.
Topics: Animals; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Lymphatic Metastasis; Melanoma; Phenylacetates; Skin Neoplasms | 1975 |
Parkinson's disease: from brain homogenate to treatment.
Topics: Animals; Brain; Caudate Nucleus; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Dose-Response Relationship, Drug; Globus Pallidus; Homovanillic Acid; Humans; Methyldopa; Parkinson Disease; Phenylacetates; Receptors, Drug; Substantia Nigra; Tyrosine 3-Monooxygenase | 1973 |
Implications of catecholamine systems of the brain in schizophrenia.
Topics: Amphetamine; Brain; Catecholamines; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Histamine H1 Antagonists; Homovanillic Acid; Humans; Monoamine Oxidase; Parasympatholytics; Schizophrenia; Sensory Receptor Cells; Tranquilizing Agents | 1974 |
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 |
Monoamine metabolites in lumbar CSF: the question of their origin in relation to clinical studies.
Topics: Animals; Biological Transport, Active; Brain; Cats; Cerebral Ventricles; Cerebrospinal Fluid; Choroid Plexus; Dihydroxyphenylalanine; Dogs; Dopamine; Fenclonine; Glycols; Haplorhini; Homovanillic Acid; Humans; Hydrocephalus; Hydroxyindoleacetic Acid; Levodopa; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Probenecid; Serotonin; Spinal Cord; Spinal Cord Injuries; Tryptophan | 1974 |
Dopamine in the basal ganglia. Its role and therapeutic implications (including the clinical use of L-DOPA).
Topics: Amphetamine; Animals; Basal Ganglia; Brain Chemistry; Butyrophenones; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Homovanillic Acid; Humans; Methyltyrosines; Parkinson Disease; Phenothiazines; Synaptic Transmission | 1973 |
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 |
The current status of biological criteria for classifying the depressive disorders and predicting responses to treatment.
Topics: Adult; Aged; Catechol O-Methyltransferase; Depression; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Erythrocytes; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Lithium; Male; Methoxyhydroxyphenylglycol; Middle Aged; Monoamine Oxidase; Sleep; Thyroid Gland | 1974 |
[Biochemical and clinical correlations in Parkinson's disease].
Topics: Brain; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Movement Disorders; Norepinephrine; Parkinson Disease; Probenecid | 1972 |
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 |
Dopamine and depression: a review of recent evidence. I. Empirical studies.
Topics: Amphetamine; Antipsychotic Agents; Brain; Bromocriptine; Depressive Disorder; Dihydroxyphenylalanine; Dopamine; Double-Blind Method; Homovanillic Acid; Humans; Norepinephrine; Parkinson Disease; Piribedil; Receptors, Dopamine; Research | 1983 |
4 trial(s) available for homovanillic acid and dihydroxyphenylalanine
| Article | Year |
|---|---|
[Effect of MK-486 alone on Parkinsonism; studies on the clinical symptoms and catecholamine concentrations in the blood, urine and cerebrospinal fluid].
Topics: Aged; Carbidopa; Catecholamines; Clinical Trials as Topic; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Humans; Hydrazines; Male; Middle Aged; Parkinson Disease | 1977 |
Levodopa and L-tryptophan therapy in Parkinsonism.
Topics: Aged; Depression; Dihydroxyphenylalanine; Female; Gait; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Nausea; Occupational Therapy; Parkinson Disease; Personality Inventory; Physical Therapy Modalities; Posture; Psychiatric Status Rating Scales; Spasm; Speech Therapy; Tremor; Tryptophan | 1972 |
Estimation of brain amine metabolism in affective illness: cerebrospinal fluid studies utilizing probenecid.
Topics: Bipolar Disorder; Brain; Depression; Dihydroxyphenylalanine; Fenclonine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methyltyrosines; Phenylacetates; Placebos; Probenecid; Stimulation, Chemical; Substance-Related Disorders; Tryptophan | 1974 |
Parkinson disease treated with a suspected dopamine receptor agonist.
Topics: Adult; Aged; Amantadine; Aromatic Amino Acid Decarboxylase Inhibitors; Benztropine; Dihydroxyphenylalanine; Dopamine; Evaluation Studies as Topic; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Muscle Rigidity; Parkinson Disease; Piperazines; Placebos; Probenecid; Pyrimidines; Receptors, Cholinergic; Tremor; Trihexyphenidyl | 1974 |
176 other study(ies) available for homovanillic acid and dihydroxyphenylalanine
| Article | Year |
|---|---|
The neurochemistry of Parkinson's disease: effect of L-dopa therapy.
Topics: Aged; Brain; Catechol O-Methyltransferase; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Female; Homovanillic Acid; Humans; Levodopa; Male; Methyldopa; Middle Aged; Monoamine Oxidase; Parkinson Disease; Tyrosine 3-Monooxygenase | 1975 |
Prolyl-leucyl-glycine amide (PLG) and thyrotropin-releasing hormone (TRH): DOPA potentiation and biogenic amine studies.
Topics: Animals; Behavior, Animal; Brain; Dihydroxyphenylalanine; Drug Synergism; Female; Homovanillic Acid; Imipramine; Male; Mice; MSH Release-Inhibiting Hormone; Neurotransmitter Agents; Pargyline; Rats; Thyrotropin-Releasing Hormone | 1975 |
Catecholamine metabolism in neuroblastoma.
Topics: Catecholamines; Child, Preschool; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Methoxyhydroxyphenylglycol; Neuroblastoma; Norepinephrine; Tyrosine 3-Monooxygenase; Vanilmandelic Acid; Wilms Tumor | 1976 |
Effects of baclofen on dopamine metabolism and interaction with neuroleptic effects.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aminobutyrates; Animals; Antipsychotic Agents; Baclofen; Benserazide; Carboxy-Lyases; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Drug Interactions; Female; Homovanillic Acid; Limbic System; Male; Methyltyrosines; Picrotoxin; Rats; Scopolamine | 1978 |
Determination of some L-3,4-dihydroxyphenylalanine and dopamine metabolites in urine by means of mass fragmentography.
Topics: 3-Methoxy-4-hydroxyphenylethanol; 3,4-Dihydroxyphenylacetic Acid; Adult; Aging; Child; Child, Preschool; Dihydroxyphenylalanine; Dopamine; Flavoring Agents; Gas Chromatography-Mass Spectrometry; Homovanillic Acid; Humans; Infant; Infant, Newborn; Lactates; Levodopa; Middle Aged; Neuroblastoma; Phenylethyl Alcohol | 1978 |
Pathophysiology and pharmacotherapy of spasmodic torticollis: a review.
Topics: 5-Hydroxytryptophan; Animals; Antipsychotic Agents; Callitrichinae; Deanol; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Hyperthyroidism; Macaca mulatta; Metoclopramide; Muscle Spasticity; Neck Muscles; Parasympatholytics; Torticollis | 1979 |
[Effects of precursors and metabolites of catecholamines on motricity of isolated rat duodenum. Particular reference to dopamine].
Topics: Animals; Catecholamines; Dihydroxyphenylalanine; Dopamine; Duodenum; Epinephrine; Gastrointestinal Motility; Homovanillic Acid; Male; Metanephrine; Methyldopa; Norepinephrine; Normetanephrine; Rats | 1979 |
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 |
[Some characteristics of the state of the sympatho-adrenal system in various hemodynamic variants of hypertension].
Topics: Adolescent; Adult; Aged; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Hemodynamics; Homovanillic Acid; Humans; Hypertension; Male; Middle Aged; Neurotransmitter Agents; Norepinephrine | 1975 |
Catecholamine and octopamine concentrations in brains of patients with Reye syndrome.
Topics: Brain Chemistry; Catecholamines; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Hypothalamus; Levodopa; Octopamine; Reye Syndrome | 1977 |
Neurochemical investigations of the interaction of N,N-dimethyltryptamine with dopaminergic system in rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Apomorphine; Brain; Corpus Striatum; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Levodopa; Monoamine Oxidase; N,N-Dimethyltryptamine; Norepinephrine; Normetanephrine; Rats; Time Factors; Tryptamines; Tyramine | 1977 |
Effect of a catechol-O-methyl transferase inhibitor, U-0521, with levodopa administration.
Topics: Animals; Behavior, Animal; Brain; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Drug Interactions; Homovanillic Acid; Levodopa; Male; Methyldopa; Propiophenones; Rats; Time Factors | 1979 |
gamma-Glutamyl DOPA and gamma-glutamyl dopamine: effect on plasma glucose levels.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Blood Glucose; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Levodopa; Pancreas; Rats; Time Factors | 1979 |
Electromyographical and biochemical studies on mutant Han-Wistar rats with progressive spastic paresis.
Topics: Adenylyl Cyclases; Animals; Brain; Dihydroxyphenylalanine; Dopamine; Electromyography; Female; Homovanillic Acid; Levodopa; Male; Mutation; Paresis; Rats; Serotonin | 1979 |
The pattern of urinary catecholamines and their metabolites in Duchenne myopathy, in relation to disease evolution.
Topics: Adolescent; Catecholamines; Child; Child, Preschool; Creatinine; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Homovanillic Acid; Humans; Infant; Male; Muscular Diseases; Muscular Dystrophies; Norepinephrine; Vanilmandelic Acid | 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 |
CSF studies on the relationship between dopamine and 5-hydroxytryptamine in Parkinsonism and other movement disorders.
Topics: Aged; Athetosis; Carbidopa; Chorea; Dihydroxyphenylalanine; Dopamine; Dystonia Musculorum Deformans; Hepatolenticular Degeneration; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Methoxyhydroxyphenylglycol; Middle Aged; Movement Disorders; Parkinson Disease; Parkinson Disease, Postencephalitic; Serotonin; Tetrabenazine; Torticollis | 1977 |
[Pathogenesis and treatment of torsion dystonia].
Topics: Carbidopa; Dihydroxyphenylalanine; Dopamine; Dystonia Musculorum Deformans; Epinephrine; Homovanillic Acid; Humans; Hydrazines; Jews; Levodopa; Norepinephrine; Vanilmandelic Acid | 1978 |
The simultaneous determination by selected ion monitoring of the levels of homovanillic, isohomovanillic, 3,4-dihydroxyphenylacetic and 3-methoxy-4-hydroxymandelic acids in single biological samples.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Cats; Chromatography, Gas; Dihydroxyphenylalanine; Dogs; Haplorhini; Homovanillic Acid; Humans; Mandelic Acids; Mass Spectrometry; Methods; Organ Specificity; Parkinson Disease; Phenylacetates; Species Specificity; Time Factors | 1975 |
Preferential deamination of dopamine by an A type monoamine oxidase in rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Clorgyline; Corpus Striatum; Deamination; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Levodopa; Male; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Motor Activity; Normetanephrine; Phenethylamines; Rats; Reserpine; Serotonin; Tyramine | 1976 |
[Urinary excretion of 3,4-dihydroxyphenyl-alanine, 3-O-methyldopa, dopamine and homovanillic acid in man. Effects of an inhibitor of decarboxylase of aromatic amino acids (Benserazide) (author's transl)].
Topics: Adult; Benserazide; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Humans; Hydrazines; Male; Methyldopa; Phenylacetates; Time Factors | 1976 |
The 4-o-methyl metabolites of catecholamines. Homo-iso-vanillic acid in rat urine and brain; urinary iso-vanyl compounds after intraperitoneal administration of dopamine and of dopamine precursors and derivatives.
Topics: Animals; Brain Chemistry; Catecholamines; Chromatography, Paper; Dihydroxyphenylalanine; Dopamine; Fasting; Female; Homovanillic Acid; Indicators and Reagents; Isomerism; Male; Methyldopa; Phenols; Phenylacetates; Rats | 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 |
Proceedings: Lack of significance of MAO-B for in vivo deamination of dopamine.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Deamination; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Rats | 1975 |
Dopamine metabolism in depressions, psychoses, and Parkinson's disease: the problem of the specificity of biological variables in behaviour disorders.
Topics: Adjustment Disorders; Bipolar Disorder; Brain; Carboxy-Lyases; Depression; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Motor Activity; Parkinson Disease; Probenecid; Psychomotor Disorders; Psychotic Disorders | 1975 |
Normalization of brain serotonin by L-tryptophan in levodopa-treated rats.
Topics: Animals; Behavior, Animal; Brain; Dihydroxyphenylalanine; Dopamine; Drug Interactions; Drug Therapy, Combination; Homovanillic Acid; Levodopa; Male; Rats; Serotonin; Tryptophan | 1975 |
Positron emission tomography with 18F-dopa: interpretation and biological correlates in nonhuman primates.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; Animals; Carbidopa; Cerebral Cortex; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Macaca mulatta; Methoxyhydroxyphenylglycol; Parkinson Disease, Secondary; Receptors, Dopamine; Tomography, Emission-Computed | 1992 |
Delayed treatment with nerve growth factor improves acquisition of a spatial task in rats with lesions of the nucleus basalis magnocellularis: evaluation of the involvement of different neurotransmitter systems.
Topics: 3,4-Dihydroxyphenylacetic Acid; Analysis of Variance; Animals; Basal Ganglia; Cerebral Cortex; Choline O-Acetyltransferase; Dihydroxyphenylalanine; Dopamine; Hippocampus; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Ibotenic Acid; Learning; Male; Memory; Methoxyhydroxyphenylglycol; Motor Activity; Nerve Growth Factors; Neurotransmitter Agents; Norepinephrine; Rats; Rats, Inbred F344; Recombinant Proteins; Serotonin; Space Perception | 1992 |
Effects of N-ethyl,N-nitrosourea on monoamine concentrations and metabolizing enzymes in mouse brain regions.
Topics: 3,4-Dihydroxyphenylacetic Acid; Analysis of Variance; Animals; Biogenic Monoamines; Brain; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Ethylnitrosourea; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Norepinephrine; Serotonin; Tryptophan Hydroxylase; Vanilmandelic Acid | 1992 |
Antagonism of cocaine's pharmacological effects by the stimulant dopaminergic antagonists, (+)-AJ76 and (+)-UH232.
Topics: 3,4-Dihydroxyphenylacetic Acid; 8-Hydroxy-2-(di-n-propylamino)tetralin; Animals; Behavior, Animal; Brain Chemistry; Cocaine; Dihydroxyphenylalanine; Dopamine; Dopamine Antagonists; Electrophysiology; Homovanillic Acid; Male; Microelectrodes; Motor Activity; Rats; Rats, Sprague-Dawley; Tetrahydronaphthalenes | 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 |
Effects of handling or immobilization on plasma levels of 3,4-dihydroxyphenylalanine, catecholamines, and metabolites in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Catecholamines; Chromatography, Liquid; Dihydroxyphenylalanine; Dopamine; Epinephrine; Handling, Psychological; Homovanillic Acid; Immobilization; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Rats, Inbred Strains; Time Factors | 1992 |
High-performance liquid chromatography with electrochemical detection for the determination of levodopa, catecholamines and their metabolites in rat brain dialysates.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Catecholamines; Caudate Nucleus; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Injections, Intraperitoneal; Levodopa; Male; Methyldopa; Norepinephrine; Rats; Rats, Inbred Strains; Substantia Nigra | 1992 |
Alterations of central serotoninergic and dopaminergic neurotransmission in rats chronically treated with ipsapirone: biochemical and electrophysiological studies.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; 8-Hydroxy-2-(di-n-propylamino)tetralin; Adenylyl Cyclases; Animals; Autoradiography; Behavior, Animal; Binding Sites; Biogenic Amines; Body Weight; Brain; Brain Stem; Dihydroxyphenylalanine; Dopamine; Drug Administration Schedule; Electrophysiology; Hippocampus; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Membranes; Neurons; Pyrimidines; Raphe Nuclei; Rats; Rats, Inbred Strains; Receptors, Serotonin; Serotonin; Serotonin Antagonists; Synaptic Transmission; Tetrahydronaphthalenes; Time Factors | 1990 |
Analysis of monoamines in the cerebrospinal fluid of Chinese patients with Alzheimer's disease.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; China; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Isoproterenol; Metanephrine; Methoxyhydroxyphenylglycol; Norepinephrine; Vanilmandelic Acid | 1991 |
6-[18F]fluoro-L-dopa metabolism in MPTP-treated monkeys: assessment of tracer methodologies for positron emission tomography.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Macaca nemestrina; Male; Tomography, Emission-Computed | 1991 |
Determination of urinary vanillactic acid and plasma dihydroxyphenylalanine as markers of non-secreting neuroblastoma by high-performance liquid chromatography with electrochemical detection.
Topics: Adolescent; Biomarkers, Tumor; Child; Child, Preschool; Chromatography, High Pressure Liquid; Diet; Dihydroxyphenylalanine; Electrochemistry; Electrodes; Homovanillic Acid; Humans; Hydrogen-Ion Concentration; Indicators and Reagents; Infant; Infant, Newborn; Nervous System Neoplasms; Neuroblastoma; Reference Standards | 1991 |
Effect of amperozide on the synthesis and turnover of monoamines in rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; alpha-Methyltyrosine; Animals; Biogenic Monoamines; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Levodopa; Male; Methyltyrosines; Norepinephrine; Piperazines; Psychotropic Drugs; Rats; Rats, Inbred Strains; Serotonin | 1990 |
Behavioural, biochemical and electrophysiological studies on the motor depressant and stimulant effects of bromocriptine.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Bromocriptine; Dihydroxyphenylalanine; Dopamine; Electrophysiology; Homovanillic Acid; Hydrazines; Male; Mice; Mice, Inbred Strains; Motor Activity; Rats; Rats, Inbred Strains; Receptors, Dopamine; Stereotaxic Techniques | 1990 |
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 |
Long-term effects of repeated methylamphetamine administration on monoamine neurons in the rhesus monkey brain.
Topics: Animals; Biogenic Amines; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Macaca mulatta; Male; Methamphetamine; Norepinephrine; Serotonin | 1985 |
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 |
Alteration of the turnover of dopamine and 5-hydroxytryptamine in rat brain associated with hypothermia.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Biogenic Amines; Brain; Corticosterone; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Hypothermia; Male; Rats; Rats, Inbred Strains; Serotonin | 1986 |
In vivo effects of the Ca2+-antagonist nimodipine on dopamine metabolism in mouse brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Limbic System; Male; Mice; Nimodipine; Serotonin | 1986 |
The effect of high pressure on the kinetics of monoamine transmitters in the rat brain.
Topics: Animals; Atmospheric Pressure; Brain; Carboxy-Lyases; Catecholamines; Dihydroxyphenylalanine; Homovanillic Acid; Hydroxyindoleacetic Acid; Kinetics; Male; Methoxyhydroxyphenylglycol; Rats; Rats, Inbred Strains; Serotonin; Synaptosomes | 1987 |
Synthesis and release of dopamine in rat brain: comparison between substantia nigra pars compacts, pars reticulata, and striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; alpha-Methyltyrosine; Animals; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dopamine Agents; Homovanillic Acid; Hydrazines; Male; Methyltyrosines; Pargyline; Rats; Rats, Inbred Strains; Substantia Nigra | 1989 |
Effects of prolactin on tyrosine hydroxylase activity of central dopaminergic neurons of male rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Aromatic-L-Amino-Acid Decarboxylases; Blood-Brain Barrier; Central Nervous System; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Homovanillic Acid; Hydrazines; Hypothalamus; Male; Neurons; Prolactin; Rats; Rats, Inbred Strains; Tyrosine 3-Monooxygenase | 1989 |
Relative selectivity of 6,7-dihydroxy-2-dimethylaminotetralin, N-n-propyl-3-(3-hydroxyphenyl)piperidine, N-n-propylnorapomorphine and pergolide as agonists at striatal dopamine autoreceptors and postsynaptic dopamine receptors.
Topics: Acetylcholine; Animals; Apomorphine; Corpus Striatum; Dihydroxyphenylalanine; Ergolines; Haloperidol; Homovanillic Acid; Male; Naphthalenes; Pergolide; Piperidines; Rats; Rats, Inbred Strains; Receptors, Dopamine; Reserpine; Sodium Oxybate; Tetrahydronaphthalenes; Tyrosine 3-Monooxygenase | 1985 |
Partial lesions of the nigrostriatal pathway in the rat. Acceleration of transmitter synthesis and release of surviving dopaminergic neurones by drugs.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; gamma-Aminobutyric Acid; Haloperidol; Homovanillic Acid; Hydroxydopamines; Male; Morphine; Neurons; Neurotransmitter Agents; Oxidopamine; Rats; Rats, Inbred Strains; Substantia Nigra | 1985 |
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 effects of dopamine D1 and D2 receptor antagonists on rat striatal, limbic and nigral dopamine synthesis and utilisation.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Benzamides; Benzazepines; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Haloperidol; Homovanillic Acid; Male; Olfactory Bulb; Rats; Rats, Inbred Strains; Receptors, Dopamine; Receptors, Dopamine D1; Receptors, Dopamine D2; Remoxipride; Substantia Nigra; Sulpiride | 1987 |
Effects of the C3-methylated derivatives of 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) on central 5-hydroxytryptamine receptors.
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Animals; Behavior, Animal; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Male; Motor Activity; Naphthalenes; Potassium Chloride; Rats; Rats, Inbred Strains; Receptors, Serotonin; Serotonin; Stereoisomerism; Tetrahydronaphthalenes; Tryptophan Hydroxylase | 1987 |
Alteration of striatal dopaminergic functions implicated in methamphetamine-induced reverse tolerance in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; 4-Butyrolactone; Animals; Apomorphine; Behavior, Animal; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Drug Tolerance; Homovanillic Acid; Male; Methamphetamine; Rats; Rats, Inbred Strains; Receptors, Dopamine | 1986 |
Biochemical monitoring of children with neuroblastoma.
Topics: Aminoisobutyric Acids; Child; Cystathionine; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Levodopa; Monitoring, Physiologic; Neuroblastoma; Norepinephrine; Prognosis | 1986 |
[Features of the functioning of the catecholamine and adrenocortical systems of patients with depression and different degrees of emotional tension].
Topics: 11-Hydroxycorticosteroids; Adrenal Cortex; Catecholamines; Depressive Disorder; Dexamethasone; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Norepinephrine; Normetanephrine; Vanilmandelic Acid | 1986 |
Chronic cocaine administration decreases dopamine synthesis rate and increases [3H] spiroperidol binding in rat brain.
Topics: Animals; Brain Chemistry; Cocaine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Injections, Intraperitoneal; Kinetics; Limbic System; Male; Mesencephalon; Probenecid; Rats; Rats, Inbred Strains | 1987 |
In vivo release of dopamine and its metabolites following a direct infusion of L-dopa into the caudate nucleus of awake, freely behaving rats using a push-pull cannula.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Behavior, Animal; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Female; Homovanillic Acid; Rats; Reaction Time | 1987 |
Metabolites of 6-[18F]fluoro-L-dopa in human blood.
Topics: Adult; Dihydroxyphenylalanine; Dopamine; Fluorine Radioisotopes; Homovanillic Acid; Humans; Middle Aged | 1988 |
D-dopa and L-dopa similarly elevate brain dopamine and produce turning behavior in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Carbidopa; Cerebral Ventricles; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Levodopa; Male; Rats; Rats, Inbred Strains; Stereotyped Behavior; Structure-Activity Relationship | 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 |
Variation of levodopa metabolism with gastrointestinal absorption site.
Topics: Administration, Oral; Aged; Animals; Biotransformation; Catechols; Dihydroxyphenylalanine; Dogs; Duodenum; Enterobacteriaceae; Female; Homovanillic Acid; Humans; Infusions, Parenteral; Intestinal Absorption; Intestine, Small; Intubation, Gastrointestinal; Male; Middle Aged; Nausea; Parkinson Disease; Phenylacetates; Rats; Tablets, Enteric-Coated; Tyramine | 1974 |
Letter: Huntington's chorea and levodopa.
Topics: Carboxy-Lyases; Dihydroxyphenylalanine; Drug Interactions; Drug Therapy, Combination; Haloperidol; Homovanillic Acid; Humans; Huntington Disease; Lithium; Male; Phenylacetates | 1974 |
The effect of hypoxia on monoamine synthesis, levels and metabolism in rat brain.
Topics: 5-Hydroxytryptophan; Animals; Biogenic Amines; Brain; Dihydroxyphenylalanine; Dopamine; Fluorometry; Homovanillic Acid; Hydroxyindoleacetic Acid; Hypoxia; Kinetics; Male; Monoamine Oxidase Inhibitors; Norepinephrine; Probenecid; Rats; Serotonin; Tryptophan; Tryptophan Hydroxylase; Tyrosine 3-Monooxygenase | 1973 |
Effect of L-DOPA on brain concentration of dopamine and homovanillic acid in rats after chronic manganese chloride administration.
Topics: Administration, Oral; Animals; Brain; Chlorides; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Manganese; Manganese Poisoning; Phenylacetates; Radioisotopes; Rats; Spectrometry, Fluorescence; Time Factors; Tyrosine 3-Monooxygenase | 1974 |
Influence of changes in brain monoamine metabolism on behaviour of herpes simplex-infected mice.
Topics: Aggression; Animals; Apomorphine; Behavior, Animal; Brain; Clonidine; Dihydroxyphenylalanine; Disease Models, Animal; Disulfides; Dopamine; Dopamine beta-Hydroxylase; Fenclonine; Herpes Simplex; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methyltyrosines; Mice; Motor Activity; Norepinephrine; Phenoxybenzamine; Pimozide; Receptors, Adrenergic; Serotonin; Tyrosine 3-Monooxygenase; Vaccinia; Virus Cultivation | 1974 |
Norepinephrine metabolism in the central nervous system of man: studies using 3-methoxy-4-hydroxyphenylethylene glycol levels in cerebrospinal fluid.
Topics: Adolescent; Adult; Aged; Antihypertensive Agents; Carbon Radioisotopes; Cerebrospinal Fluid; Child; Chromatography, Gas; Dihydroxyphenylalanine; Dopamine; Down Syndrome; Dystonia Musculorum Deformans; Female; Glycols; Homovanillic Acid; Humans; Huntington Disease; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Methyltyrosines; Middle Aged; Norepinephrine; Parkinson Disease; Picolinic Acids; Probenecid; Serotonin; Spinal Cord Diseases; Time Factors | 1973 |
[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 |
Adenosine 3',5'-monophosphate in cerebrospinal fluid. Effect of drugs and neurologic disease.
Topics: Adolescent; Adult; Aged; Cerebellar Diseases; Child; Cyclic AMP; Dihydroxyphenylalanine; Female; Homovanillic Acid; Humans; Huntington Disease; Male; Middle Aged; Movement Disorders; Muscular Diseases; Parkinson Disease; Peripheral Nervous System Diseases; Probenecid; Spinal Cord Diseases | 1973 |
Dopaminergic nervous transmission in Parkinson's disease.
Topics: Acetylcholinesterase; Aromatic Amino Acid Decarboxylase Inhibitors; Autopsy; Brain; Brain Chemistry; Dihydroxyphenylalanine; DNA; Dopa Decarboxylase; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Norepinephrine; Parkinson Disease; Probenecid; RNA; Serotonin; Stimulation, Chemical; Synaptic Transmission; Time Factors | 1974 |
Proceedings: Clinical studies of dopaminergic mechanisms.
Topics: Antiparkinson Agents; Dihydroxyphenylalanine; Dioxoles; Dopamine; Haloperidol; Homovanillic Acid; Humans; Parkinson Disease; Piperazines; Pyrimidines; Receptors, Drug | 1974 |
Dopa, 3-O-methyldopa, and metabolites in urine during oral L-3-O-methyldopa therapy.
Topics: Administration, Oral; Autoanalysis; Catecholamines; Dealkylation; Decarboxylation; Dihydroxyphenylalanine; Fluorometry; Homovanillic Acid; Humans; Lactates; Male; Methoxyhydroxyphenylglycol; Methyldopa; Parkinson Disease; Vanilmandelic Acid | 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 |
Accumulation of 3H-homovanillic acid in rabbit brain and cerebrospinal fluid following intravenous 3H-L-dopa.
Topics: Animals; Brain; Brain Chemistry; Carboxy-Lyases; Cerebrospinal Fluid; Chlorpromazine; Chromatography, Thin Layer; Deamination; Decarboxylation; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Injections, Intravenous; Male; Methylation; Neurons; Phenylacetates; Probenecid; Rabbits; Stimulation, Chemical; Time Factors; Tritium | 1974 |
Cerebrospinal homovanillic acid and parkinsonism.
Topics: Age Factors; Dihydroxyphenylalanine; Fluorometry; Homovanillic Acid; Humans; Parkinson Disease; Phenylacetates | 1974 |
Inhibition by apomorphine of dopamine deamination in the rat brain.
Topics: Animals; Antimetabolites; Apomorphine; Basal Ganglia; Brain; Brain Stem; Carbon Radioisotopes; Catechol O-Methyltransferase; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Kinetics; Male; Mitochondria; Phenylacetates; Rats; Reserpine; Time Factors | 1974 |
Cannabinoid induced changes in mouse striatal homovanillic acid and dihydroxyphenylacetic acid: the effects of amphetamine and L-dopa.
Topics: Amphetamine; Animals; Cannabis; Carbon Radioisotopes; Corpus Striatum; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Dronabinol; Drug Synergism; Homovanillic Acid; Male; Mice; Phenylacetates | 1974 |
Amphetamine psychosis: behavioral and biochemical aspects.
Topics: Adolescent; Adult; Affect; Alcoholism; Amphetamine; Brain; Cognition Disorders; Delusions; Depression; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Ethylene Glycols; Hallucinations; Haloperidol; Homovanillic Acid; Humans; Male; Methoxyhydroxyphenylglycol; Psychoses, Substance-Induced; Receptors, Drug; Schizophrenia; Schizophrenic Language; Schizophrenic Psychology; Stereoisomerism | 1974 |
Plasma dopa concentrations and the "on-off" effect after chronic treatment of Parkinson's disease.
Topics: Dietary Proteins; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Movement Disorders; Parkinson Disease | 1974 |
Sulphate conjugation and L-dopa treatment of Parkinsonian patients.
Topics: Aged; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Female; Homovanillic Acid; Humans; Male; Middle Aged; Parkinson Disease; Sulfates | 1973 |
Effects of morphine on striatal dopamine metabolism: possible mechanism of its opposite effect on locomotor activity in rats and mice.
Topics: Animals; Apomorphine; Brain Chemistry; Catalepsy; Catechols; Caudate Nucleus; Chlorpromazine; Clonidine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Drug Interactions; Fluorometry; Homovanillic Acid; Humans; Male; Methyltyrosines; Mice; Morphine; Motor Activity; Rats; Serine; Species Specificity; Stereotaxic Techniques; Thiocarbamates | 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 |
Monoamines and their metabolism in some molluscs.
Topics: Amines; Animals; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ganglia; Homovanillic Acid; Hydroxyindoleacetic Acid; In Vitro Techniques; Mollusca; Muscles; Myocardium; Norepinephrine; Octopodiformes; Optic Lobe, Nonmammalian; Pargyline; Phenylacetates; Seasons; Serotonin; Snails; Tranylcypromine | 1972 |
Biochemical investigations in Parkinsonism. A study of the metabolites of the biogenic amines in the lumbar CSF.
Topics: Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Microscopy, Fluorescence; Parkinson Disease; Phenylacetates; Tryptophan | 1972 |
[Study of dopamine and noradrenaline in the brains of three patients with Parkinson's disease who died in the course of treatment with L-dopa].
Topics: Autopsy; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Norepinephrine; Parkinson Disease; Time Factors | 1972 |
[Pharmacological approach to the prognosis of biochemical changes and response to treatment in the therapy of Parkinsonian syndromes].
Topics: Acetylcholine; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Humans; Parkinson Disease; Prognosis | 1972 |
Proceedings: Effect of amantadine on the urinary excretion of some monoamines and metabolites in normal and parkinsonian subjects.
Topics: Amantadine; Amines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Histamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Norepinephrine; Parkinson Disease; Phenylacetates | 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 |
Acid monoamine metabolites in the cerebrospinal fluid of Parkinsonian patients treated with levodopa alone or combined with a decarboxylase inhibitor.
Topics: Adult; Aged; Carboxy-Lyases; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Drug Synergism; Evaluation Studies as Topic; Female; Homovanillic Acid; Humans; Hydrazines; Hydroxyindoleacetic Acid; Libido; Male; Middle Aged; Parkinson Disease; Phenylacetates; Probenecid; Serotonin | 1973 |
Interactions of L-dopa and amantadine in patients with Parkinsonism.
Topics: Amantadine; Dihydroxyphenylalanine; Drug Interactions; Evaluation Studies as Topic; Female; Homovanillic Acid; Humans; Male; Middle Aged; Muscle Rigidity; Muscles; Parkinson Disease; Tremor | 1973 |
An analysis of six patients with Parkinson's disease who have been unresponsive to L-dopa therapy.
Topics: Aged; Carbidopa; Diagnosis, Differential; Dihydroxyphenylalanine; Evaluation Studies as Topic; Female; Homovanillic Acid; Humans; Hydrazines; Male; Muscle Rigidity; Muscles; Neurologic Examination; Parkinson Disease; Tremor | 1973 |
Amine metabolites in the cerebrospinal fluid in Parkinson's disease and the response to levodopa.
Topics: Adult; Aged; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Electroencephalography; Evaluation Studies as Topic; Female; Follow-Up Studies; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Parkinson Disease; Phenylacetates; Serotonin; Tryptophan | 1973 |
Striatonigral degeneration. Response to levodopa therapy with pathological and neurochemical correlation.
Topics: Basal Ganglia; Carboxy-Lyases; Cerebellum; Cerebral Cortex; Corpus Striatum; Diencephalon; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Evaluation Studies as Topic; Female; Glutamates; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Middle Aged; Nerve Degeneration; Parkinson Disease; Serotonin; Substantia Nigra; Thalamus | 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 |
Effects of chronically administered L-dopa in normal and lesioned cats.
Topics: Animals; Brain; Cats; Caudate Nucleus; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Histocytochemistry; Homovanillic Acid; Hypothalamus; Neural Pathways; Norepinephrine; Serotonin; Substantia Nigra; Thalamus; Time Factors | 1973 |
Separation and determination of urinary homovanillic acid and iso-homovanillic acid by gas-liquid chromatography and electron capture detection.
Topics: Adolescent; Adult; Child; Chromatography, Gas; Creatine; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Methods; Middle Aged; Neuroblastoma; Parkinson Disease; Phenylacetates | 1973 |
Failure of cerebrospinal fluid homovanillic acid to predict levodopa response in Parkinson's disease.
Topics: Dihydroxyphenylalanine; Disability Evaluation; Evaluation Studies as Topic; Homovanillic Acid; Humans; Parkinson Disease; Phenylacetates; Prognosis | 1973 |
Iso-homovanillic acid determination in cerebrospinal fluid and in urine during L-DOPA treatment of Parkinson's disease.
Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Chromatography, Thin Layer; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Isomerism; Parkinson Disease; Phenylacetates | 1973 |
Metabolic interactions of pyridoxine, levodopa, and carbidopa in Parkinson's disease.
Topics: Brain; Carbidopa; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Homovanillic Acid; Humans; Hydrazines; Parkinson Disease; Pyridoxine | 1973 |
Responses of the urinary excretion of homovanillic acid and of 5-hydroxy-indol-acetic acid to treatment with L-dopa and amantadine.
Topics: Amantadine; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Parkinson Disease; Phenylacetates | 1973 |
[Determination of homovanillic acid in the cerebrospinal fluid of Parkinson's disease patients and control group].
Topics: Dihydroxyphenylalanine; Female; Homovanillic Acid; Humans; Male; Parkinson Disease; Phenylacetates | 1973 |
[Abnormal movements induced by L-Dopa and dopamine metabolism disorders].
Topics: Benzoates; Dihydroxyphenylalanine; Dopamine; Electrocoagulation; Female; Homovanillic Acid; Humans; Methylation; Middle Aged; Movement Disorders; Parkinson Disease | 1973 |
Spontaneous and L-DOPA induced circus movements in cats with brain stem lesions.
Topics: Animals; Apomorphine; Behavior, Animal; Brain Chemistry; Brain Stem; Cats; Dextroamphetamine; Dihydroxyphenylalanine; Dopamine; Electrocoagulation; Homovanillic Acid; Movement; Norepinephrine; Serotonin | 1973 |
Wilson's disease: modification by L-DOPA.
Topics: Adolescent; Chelating Agents; Copper; Dihydroxyphenylalanine; Evaluation Studies as Topic; Hepatolenticular Degeneration; Homovanillic Acid; Humans; Hydrazines; Male; Motor Activity; Motor Skills; Penicillamine | 1973 |
Transamination is a major pathway of L-dopa metabolism following peripheral decarboxylase inhibition.
Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Carbidopa; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Hydrazines; Phenylacetates; Transaminases | 1974 |
3-O-methyl metabolites of catecholamines: automated fluorometric assay and their plasma levels in patients receiving levodopa and carbidopa.
Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Autoanalysis; Blood-Brain Barrier; Brain Chemistry; Carbidopa; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Dopamine; Evaluation Studies as Topic; Homovanillic Acid; Humans; Methods; Methyldopa; Microchemistry; Phenylacetates; Spectrometry, Fluorescence; Time Factors | 1974 |
Parkinson's disease, cerebral arteriosclerosis, and senile dementia. Clinical features and response to levodopa.
Topics: Aged; Dementia; Dihydroxyphenylalanine; Electroencephalography; Female; Gait; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Intracranial Arteriosclerosis; Male; Middle Aged; Movement Disorders; Muscle Rigidity; Parkinson Disease; Posture; Tremor | 1974 |
Levodopa, carbidopa, and pyridoxine in Parkinson disease. Metabolic interactions.
Topics: Carbidopa; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Drug Interactions; Drug Synergism; Homovanillic Acid; Humans; Hydrazines; Parkinson Disease; Pyridoxine | 1974 |
Cerebrospinal fluid homovanillic acid and iso-homovanillic acid: a gas-liquid chromatographic method.
Topics: Chromatography, Gas; Dihydroxyphenylalanine; Evaluation Studies as Topic; Fluoroacetates; Homovanillic Acid; Humans; Methods; Parkinson Disease; Phenylacetates; Time Factors | 1974 |
Effects of L-dopa and L-tryptophan on the cerebral blood flow in the dog.
Topics: Animals; Blood Flow Velocity; Blood Pressure; Cerebrovascular Circulation; Depression, Chemical; Dihydroxyphenylalanine; Homovanillic Acid; Krypton; Methods; Oxygen Consumption; Stimulation, Chemical; Time Factors; Tryptophan | 1974 |
Imipramine-mediated effects on levodopa metabolism in man.
Topics: Adult; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Hydrolysis; Hydroxyindoleacetic Acid; Imipramine; Male; Mandelic Acids; Norepinephrine; Phenylacetates; Serotonin; Time Factors | 1974 |
Relationship of age and mood to monoamine metabolites in cerebrospinal fluid in parkinsonism.
Topics: Age Factors; Aged; Biogenic Amines; Depression; Dihydroxyphenylalanine; Emotions; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Parasympatholytics; Parkinson Disease | 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 |
"On-off" phenomenon with levodopa therapy in Parkinsonism. Clinical and pharmacologic correlations and the effect of intramuscular pyridoxine.
Topics: Adult; Carbidopa; Dihydroxyphenylalanine; Drug Synergism; Evaluation Studies as Topic; Female; Homovanillic Acid; Humans; Hydrazines; Injections, Intramuscular; Male; Methyldopa; Middle Aged; Movement Disorders; Parkinson Disease; Pyridoxine | 1974 |
Fusaric acid in Parkinson's disease.
Topics: Aged; Antiparkinson Agents; Dihydroxyphenylalanine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Parkinson Disease; Picolinic Acids; Probenecid | 1974 |
DOPA potentiation in ablated animals and brain levels of biogenic amines in intact animals after prolyl-leucylglycinamide.
Topics: Administration, Oral; Adrenal Glands; Amides; Animals; Behavior, Animal; Biogenic Amines; Brain; Caudate Nucleus; Dihydroxyphenylalanine; Dopamine; Drug Synergism; Female; Glycine; Homovanillic Acid; Kidney; Leucine; Male; Mice; Norepinephrine; Ovary; Parathyroid Glands; Pargyline; Peptides; Proline; Rats; Serotonin; Spleen; Stimulation, Chemical; Testis; Thymus Gland | 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 |
[State of the adrenergic and cholinergic systems of schizophrenic patients during the process of psychopharmacotherapy].
Topics: Acetylcholine; Acetylcholinesterase; Adult; Antipsychotic Agents; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Middle Aged; Norepinephrine; Schizophrenia; Syndrome; Vanilmandelic Acid | 1980 |
Effects of drugs interfering with dopamine and noradrenaline biosynthesis on the endogenous 3,4-dihydroxyphenylalanine levels in rat brain.
Topics: 3,4-Dihydroxyphenylacetic Acid; 4-Butyrolactone; Animals; Apomorphine; Brain; Chlorpromazine; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Norepinephrine; Rats; Rats, Inbred Strains; Tissue Distribution; Tyrosine 3-Monooxygenase | 1982 |
Determination of picomole amounts of dopamine, noradrenaline, 3,4-dihydroxyphenylalanine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, and 5-hydroxyindolacetic acid in nervous tissue after one-step purification on Sephadex G-10, using high-performan
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Biogenic Amines; Chromatography, Gel; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Electrodes; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Microchemistry; Nerve Tissue; Norepinephrine; Rats | 1981 |
[Changes in the levels of adrenergic and serotoninergic indices in patients with depressive states].
Topics: Adolescent; Adult; Biogenic Amines; Depression; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Norepinephrine; Schizophrenia; Serotonin | 1981 |
Simultaneous determination of 3,4-dihydroxyphenylalanine, 5-hydroxytryptophan, dopamine, 4-hydroxy-3-methoxyphenylalanine, norepinephrine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, serotonin, and 5-hydroxyindoleacetic acid in rat cerebrospinal fl
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Brain Chemistry; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methyltyrosines; Norepinephrine; Rats; Rats, Inbred Strains; Serotonin; Tryptophan; Tyrosine | 1982 |
Monoamine metabolites in human cerebrospinal fluid. HPLC/ED method.
Topics: 3,4-Dihydroxyphenylacetic Acid; Alzheimer Disease; Chromatography, High Pressure Liquid; Depression; Dihydroxyphenylalanine; Electrochemistry; Glycols; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Methoxyhydroxyphenylglycol; Parkinson Disease; Phenylacetates; Subarachnoid Hemorrhage; Tryptophan; Tyrosine | 1984 |
Effects of light on dopamine metabolism in the chick retina.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Chickens; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Kinetics; Light; Neurons; Retina | 1983 |
Decreased brain dopamine synthesis rate and increased [3H]spiroperidol binding in streptozotocin-diabetic rats.
Topics: Animals; Brain; Butyrophenones; Diabetes Mellitus, Experimental; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Insulin; Kinetics; Probenecid; Rats; Rats, Inbred Strains; Receptors, Dopamine; Spiperone | 1983 |
Stimulation of presynaptic dopamine autoreceptors by 4-(2-di-n-propylaminoethyl) indole (DPAI).
Topics: Animals; Corpus Striatum; Corticosterone; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Homovanillic Acid; Humans; Indoles; Male; Motor Activity; Prolactin; Rats; Rats, Inbred Strains; Receptors, Dopamine; Stereotyped Behavior; Substantia Nigra | 1984 |
Cystathioninuria in patients with neuroblastoma.
Topics: Adolescent; Child; Child, Preschool; Cystathionine; Dihydroxyphenylalanine; Female; Homovanillic Acid; Humans; Infant; Infant, Newborn; Liver Neoplasms; Male; Neuroblastoma; Vitamin B 6 Deficiency | 1984 |
Inhibition of catecholamine biosynthesis by carbidopa and metyrosine in neuroblastoma.
Topics: alpha-Methyltyrosine; Carbidopa; Catecholamines; Child, Preschool; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Humans; Infant; Male; Methyltyrosines; Neuroblastoma; Norepinephrine; Vanilmandelic Acid | 1983 |
Data processing of urine chromatograms for the clinical management of melanoma.
Topics: Chromatography, Ion Exchange; Computers; Cysteinyldopa; Data Display; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Indoles; Melanins; Melanoma | 1980 |
Melanogenesis in cultured human neuroblastomas.
Topics: Animals; Cell Line; Cysteinyldopa; Dihydroxyphenylalanine; Female; Homovanillic Acid; Humans; Male; Melanins; Mice; Neuroblastoma | 1980 |
[Various features of dopamine metabolism in schizophrenia].
Topics: Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Norepinephrine; Schizophrenia; Syndrome | 1981 |
[Effect of intracaudate administration of kainic acid on the activity of the dopaminergic system].
Topics: Animals; Apomorphine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; gamma-Aminobutyric Acid; Glutamate Decarboxylase; Haloperidol; Homovanillic Acid; Kainic Acid; Male; Pyrrolidines; Rats; Rats, Inbred Strains; Receptors, Dopamine | 1981 |
Activation of the cortical and medullary dopaminergic systems by nitrous oxide in rats: a possible neurochemical basis for psychotropic effects and postanesthetic nausea and vomiting.
Topics: Anesthesia; Animals; Biogenic Amines; Brain; Dihydroxyphenylalanine; Dopamine; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Nausea; Nitrous Oxide; Norepinephrine; Organ Size; Rats; Rats, Wistar; Serotonin; Vomiting | 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 |
Regulation of DOPA decarboxylase activity in brain of living rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Blood-Brain Barrier; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopa Decarboxylase; Dopamine; Hippocampus; Homeostasis; Homovanillic Acid; Hypothalamus; Kinetics; Male; Olfactory Pathways; Pargyline; Rats; Rats, Wistar; Tritium | 1995 |
Effects of the histaminergic system on the morphine-induced conditioned place preference in mice.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Benzazepines; Benzothiazoles; Conditioning, Operant; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Histamine; Histamine H2 Antagonists; Histidine; Histidine Decarboxylase; Homovanillic Acid; Limbic System; Male; Methylhistidines; Mice; Mice, Inbred Strains; Morphine; Phenoxypropanolamines; Piperidines; Prosencephalon; Thiazoles | 1995 |
Motor expression of kainic acid seizures is attenuated by dopamine depletion in mice.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; Animals; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Electric Stimulation; Homovanillic Acid; Kainic Acid; Male; Mice; Mice, Inbred C57BL; Seizures | 1994 |
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 |
Normal-range plasma catecholamines in patients with generalized and acrofacial vitiligo: preliminary report.
Topics: Adolescent; Adult; Age Factors; Age of Onset; Aged; Case-Control Studies; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Extremities; Facial Dermatoses; Female; Homovanillic Acid; Humans; Male; Metanephrine; Methoxyhydroxyphenylglycol; Middle Aged; Norepinephrine; Normetanephrine; Sex Factors; Vitiligo | 1994 |
Co-induction of tetrahydrobiopterin (BH4) levels and tyrosine hydroxylase activity in cultured PC12 cells.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenal Gland Neoplasms; Analysis of Variance; Animals; Biopterins; Dihydroxyphenylalanine; Dopamine; Enzyme Induction; Epinephrine; Homovanillic Acid; Kinetics; Norepinephrine; PC12 Cells; Pheochromocytoma; Rats; Serotonin; Tyrosine 3-Monooxygenase | 1993 |
The transport of L-6-fluorodopa and its metabolites from blood to cerebrospinal fluid and brain.
Topics: Amino Acids; Animals; Biological Transport; Blood-Brain Barrier; Brain; Brain Chemistry; Dihydroxyphenylalanine; Fluorine Radioisotopes; Homovanillic Acid; Macaca fascicularis; Male; Phenylalanine; Tomography, Emission-Computed | 1993 |
Dopaminergic abnormalities in hypertension associated with moderate renal insufficiency.
Topics: 3,4-Dihydroxyphenylacetic Acid; Atrial Natriuretic Factor; Blood Pressure; Creatinine; Diastole; Dihydroxyphenylalanine; Dopamine; Female; Homovanillic Acid; Humans; Hypertension; Kidney Failure, Chronic; Levodopa; Male; Middle Aged; Reference Values; Sodium | 1994 |
The mesolimbic dopamine-activating properties of ethanol are antagonized by mecamylamine.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Catecholamines; Dihydroxyphenylalanine; Dopamine; Ethanol; Homovanillic Acid; Hydrazines; Limbic System; Male; Mecamylamine; Microdialysis; Nucleus Accumbens; Rats; Rats, Wistar; Receptors, Cholinergic | 1993 |
Endogenous glucocorticoids restrain catecholamine synthesis and release at rest and during immobilization stress in rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenal Medulla; Adrenalectomy; Adrenocorticotropic Hormone; Animals; Catecholamines; Corticosterone; Dihydroxyphenylalanine; Epinephrine; Glucocorticoids; Homovanillic Acid; Hydrocortisone; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Rats, Sprague-Dawley; Restraint, Physical; Stress, Physiological | 1993 |
6-[18F]fluoro-L-DOPA-PET studies show partial reversibility of long-term effects of chronic amphetamine in monkeys.
Topics: Amphetamine; Animals; Caudate Nucleus; Chlorocebus aethiops; Dihydroxyphenylalanine; Dopamine; Dopamine Agents; Homovanillic Acid; Image Processing, Computer-Assisted; Male; Neostriatum; Putamen; Tomography, Emission-Computed | 1996 |
Dopaminergic responses to striatal damage.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Brain Tissue Transplantation; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Functional Laterality; Homovanillic Acid; Humans; Male; Mazindol; Mice; Mice, Inbred C57BL; Parkinson Disease; Reference Values; Synapses; Time Factors; Tyrosine 3-Monooxygenase | 1996 |
Androgen inhibits neurotransmitter turnover in the medial prefrontal cortex of the rat following exposure to a novel environment.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Behavior, Animal; Chromatography, High Pressure Liquid; Dihydrotestosterone; Dihydroxyphenylalanine; Dopamine; Exploratory Behavior; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Neurotransmitter Agents; Norepinephrine; Prefrontal Cortex; Rats; Rats, Inbred F344; Serotonin | 1997 |
Activation of tyrosine hydroxylase in striatum of newborn piglets in response to hypocapnic ischemia and recovery.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Animals, Newborn; Brain Ischemia; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Enzyme Activation; Homovanillic Acid; Hyperventilation; Hypocapnia; Kinetics; Swine; Synaptosomes; Tyrosine 3-Monooxygenase | 1997 |
High sodium intake increases the urinary excretion of L-3,4-dihydroxyphenylalanine but fails to alter the urinary excretion of dopamine and amine metabolites in Wistar rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Blood Pressure; Creatinine; Dihydroxyphenylalanine; Dopamine; Heart Rate; Homovanillic Acid; Male; Norepinephrine; Potassium; Rats; Rats, Wistar; Serotonin; Sodium; Sodium Chloride, Dietary | 1996 |
Catecholamine metabolites in internal jugular plasma: a window into the human brain.
Topics: Brain; Catecholamines; Cerebrovascular Circulation; Dihydroxyphenylalanine; Epinephrine; Homovanillic Acid; Humans; Jugular Veins; Methoxyhydroxyphenylglycol; Muscle, Skeletal; Norepinephrine; Reference Values; Regression Analysis; Sympathetic Nervous System | 1998 |
Determination of serotonin, catecholamines and their metabolites by direct injection of supernatants from chicken brain tissue homogenate using liquid chromatography with electrochemical detection.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Catecholamines; Chickens; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Epinephrine; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Norepinephrine; Quality Control; Sensitivity and Specificity; Serotonin | 1997 |
Monoaminergic effects of high-dose corticotropin in corticotropin-responsive pediatric opsoclonus-myoclonus.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenocorticotropic Hormone; Catecholamines; Child, Preschool; Dihydroxyphenylalanine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Myoclonus; Neurotransmitter Agents; Ocular Motility Disorders; Reference Values | 1998 |
Rodent data and general hypothesis: antipsychotic action exerted through 5-Ht2A receptor antagonism is dependent on increased serotonergic tone.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Animals; Antipsychotic Agents; Biogenic Monoamines; Brain; Dextroamphetamine; Dihydroxyphenylalanine; Dizocilpine Maleate; Dopamine; Fenclonine; Fluorobenzenes; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Mice, Inbred Strains; Models, Neurological; Motor Activity; Norepinephrine; Normetanephrine; Organ Specificity; Piperidines; Rats; Rats, Sprague-Dawley; Receptor, Serotonin, 5-HT2A; Receptors, Serotonin; Serotonin; Serotonin Antagonists | 1998 |
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 |
Increased dopaminergic and 5-hydroxytryptaminergic activities in male rat brain following long-term treatment with anabolic androgenic steroids.
Topics: 3,4-Dihydroxyphenylacetic Acid; 5-Hydroxytryptophan; Anabolic Agents; Animals; Brain; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Hippocampus; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Methandrostenolone; Monoamine Oxidase; Rats; Rats, Sprague-Dawley; Serotonin; Synaptosomes; Time Factors | 1999 |
Higher plasma catecholamine and metabolite levels in the early phase of nonsegmental vitiligo.
Topics: Adolescent; Adult; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Metanephrine; Methoxyhydroxyphenylglycol; Middle Aged; Norepinephrine; Normetanephrine; Vitiligo | 2000 |
Selective monoamine oxidase subtype inhibition and striatal extracellular dopamine in the guinea-pig.
Topics: 3,4-Dihydroxyphenylacetic Acid; Amphetamine; Animals; Catecholamines; Clorgyline; Corpus Striatum; Dialysis Solutions; Dihydroxyphenylalanine; Dopamine; Dopamine Uptake Inhibitors; Extracellular Space; Guinea Pigs; Homovanillic Acid; Isoenzymes; Male; Microdialysis; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Piperazines; Potassium Chloride; Rats; Selegiline; Synaptosomes; Tritium; Tyrosine 3-Monooxygenase | 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 |
Catecholamines and their metabolites in the brain and urine of rats with experimental Parkinson's disease.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Oxidopamine; Parkinsonian Disorders; Rats; Rats, Wistar | 2000 |
Inverse relationship between plasma epinephrine and testosterone levels during acute glucoprivation in healthy men.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Blood Pressure; Body Temperature; Deoxyglucose; Dihydroxyphenylalanine; Dopamine; Epinephrine; Heart Rate; Homovanillic Acid; Humans; Hunger; Hydroxyindoleacetic Acid; Hypoglycemia; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Stress, Physiological; Testosterone; Thirst | 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 |
New approaches to evaluate sympathoadrenal system activity in experiments on earth and in space.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aerospace Medicine; alpha-Methyltyrosine; Animals; Astronauts; Catecholamines; Dihydroxyphenylalanine; Dopamine; Epinephrine; Homovanillic Acid; Humans; Immobilization; Male; Methoxyhydroxyphenylglycol; Norepinephrine; Rats; Rats, Sprague-Dawley; Serotonin Receptor Agonists; Space Flight; Stress, Physiological; Sympathetic Nervous System; Weightlessness | 1994 |
Evaluation of plasma 3,4-dihydroxyphenylacetic acid (DOPAC) and plasma 3,4-dihydroxyphenylalanine (DOPA) as tumor markers in children with neuroblastoma.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adolescent; Adult; Biomarkers, Tumor; Case-Control Studies; Child; Child, Preschool; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Infant; Infant, Newborn; Neuroblastoma; Vanilmandelic Acid | 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 and dopa urinary excretion in patients with pheochromocytoma--diagnostic implications.
Topics: Adult; Biomarkers, Tumor; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Homovanillic Acid; Humans; Hypertension; Male; Middle Aged; Neurofibromatoses; Norepinephrine; Pheochromocytoma | 2001 |
Selective decrease in central nervous system serotonin turnover in children with dopa-nonresponsive dystonia.
Topics: Adolescent; Central Nervous System; Child; Child, Preschool; Dihydroxyphenylalanine; Dopamine Agents; Drug Resistance; Dystonia; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Regression Analysis; Serotonin | 2002 |
Monoamine metabolism and sympathetic nervous activation following subarachnoid haemorrhage: influence of gender and hydrocephalus.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Aged; Biogenic Monoamines; Craniocerebral Trauma; Dihydroxyphenylalanine; Dopamine; Epinephrine; Female; Homovanillic Acid; Humans; Hydrocephalus; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Norepinephrine; Sex Factors; Subarachnoid Hemorrhage; Sympathetic Nervous System | 2002 |
Genetics and biochemistry of dopa-responsive dystonia: significance of striatal tyrosine hydroxylase protein loss.
Topics: Animals; Biopterins; Dihydroxyphenylalanine; Dopamine; Dystonic Disorders; GTP Cyclohydrolase; Homovanillic Acid; Humans; Mutation; Neostriatum; Tyrosine 3-Monooxygenase | 2003 |
METABOLISM OF AROMATIC AMINO ACIDS IN COLLAGEN DISEASES. URINARY EXCRETION OF VANILLACTIC ACID AND DIHYDROXYPHENYLALANINE.
Topics: Amino Acids; Amino Acids, Aromatic; Benzaldehydes; Child; Chromatography; Collagen Diseases; Dihydroxyphenylalanine; Homovanillic Acid; Humans; Indoles; Rheumatic Fever; Urine | 1964 |
Effects of postweaning undernutrition on exploratory behavior, memory and sensory reactivity in rats: implication of the dopaminergic system.
Topics: Animals; Animals, Newborn; Behavior, Animal; Body Weight; Brain Chemistry; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dopamine Antagonists; Exploratory Behavior; Female; Haloperidol; Homovanillic Acid; Male; Malnutrition; Maze Learning; Memory; Pregnancy; Rats; Reaction Time; Retention, Psychology; Sensation; Time Factors; Weaning | 2005 |
High-frequency stimulation of the subthalamic nucleus prolongs the increase in striatal dopamine induced by acute l-3,4-dihydroxyphenylalanine in dopaminergic denervated rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Data Interpretation, Statistical; Denervation; Dihydroxyphenylalanine; Dopamine; Dopamine Agents; Electric Stimulation; Extracellular Space; Homovanillic Acid; Male; Microdialysis; Neostriatum; Oxidopamine; Rats; Rats, Sprague-Dawley; Subthalamic Nucleus; Synaptic Transmission | 2007 |
Chronic nicotine modifies the effects of morphine on extracellular striatal dopamine and ventral tegmental GABA.
Topics: Animals; Brain; Dihydroxyphenylalanine; Dopamine; Extracellular Fluid; gamma-Aminobutyric Acid; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Mice; Microdialysis; Morphine; Motor Activity; Narcotics; Neurotransmitter Agents; Nicotine; Nicotinic Agonists; Time | 2008 |
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 |
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 |