dihydroxyphenylalanine has been researched along with 3-methoxytyrosine in 44 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 10 (22.73) | 18.7374 |
| 1990's | 13 (29.55) | 18.2507 |
| 2000's | 11 (25.00) | 29.6817 |
| 2010's | 10 (22.73) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Lindén, IB; Nissinen, E; Pohto, P; Schultz, E | 1 |
| Cedarbaum, JM; Diksic, M; Evans, A; Gjedde, A; Guttman, M; Léger, G; Reches, A; Woodward, W | 1 |
| Adam, MJ; Chan, GL; Hewitt, KA; Pate, BD; Ruth, TJ; Schofield, P | 1 |
| Abe, T; Kikuchi, T; Nozaki, Y; Takahashi, S; Tohgi, H | 1 |
| Da Prada, M; Zürcher, G | 1 |
| De Herdt, P; Maitre, L; Waldmeier, PC | 1 |
| Antonin, KH; Bieck, PR; Nilsson, E | 1 |
| Banwart, B; Jones, JD; Miller, TD; Tyce, GM | 1 |
| Da Prada, M; Haefely, WE; Kettler, R; Schaffner, R; Zürcher, G | 1 |
| Cramers, CA; de Jong, AP; Haan, E; Kok, RM; Wadman, SK | 1 |
| Dousa, MK; Tyce, GM | 1 |
| Bohner, B; Ensor, CR; McCarthy, DA; McLean, JR; Potoczak, D | 1 |
| Huot, S; Palfreyman, MG; Vitali, P; Wagner, J; Zraika, M | 1 |
| Aguado, EG; de Yebenes, JG; Mena, MA | 1 |
| Beers, MF; Hurtig, H; Melvin, G; Scarpa, A; Stern, M | 1 |
| Hirose, S; Ishimitsu, T | 1 |
| Fahn, S; Prasad, AL | 1 |
| Bertrand, A; Weil-Fugazza, J | 1 |
| Aguirre, J; Armando, I; Barontini, M; Nowicki, S | 1 |
| Bennett, JP; Schuh, LA | 1 |
| Kaakkola, S; Wurtman, RJ | 1 |
| Belakhlef, A; Chaly, T; Dahl, R; Dhawan, V; Eidelberg, D; Ishikawa, T; Mandel, F; Margouleff, C; Robeson, W | 1 |
| Aguirre, J; Armando, I; Arrizurieta, EE; Barontini, M; Ibarra, FR; Nowicki, S | 1 |
| Jenner, P; Rose, S; Treseder, SA | 1 |
| Blandini, F; Fancellu, R; Mangiagalli, A; Martignoni, E; Nappi, G; Pacchetti, C; Samuele, A | 1 |
| Hainzl, D; Loureiro, AI; Parada, A; Soares-da-Silva, P; Vieira-Coelho, MA | 1 |
| Buhmann, C; Oechsner, M; Strauss, J; Stuerenburg, HJ | 1 |
| Fowler, B; Kuhn, W; Müller, T; Woitalla, D | 1 |
| Almeida, L; Falcão, A; Loureiro, A; Machado, R; Maia, J; Silveira, P; Soares-da-Silva, P; Torrão, L; Vaz-da-Silva, M; Wright, L | 1 |
| Amirkhani, A; Nilsson, S; Nyholm, L; Nyholm, LM; Törnkvist, A | 1 |
| Muhlack, S; Müller, T; Przuntek, H; Twiehaus, S; Welnic, J; Woitalla, D | 1 |
| Allen, RP; Connor, JR; Earley, CJ; Hyland, K | 1 |
| Kuhn, W; Müller, T | 1 |
| Muhlack, S; Müller, 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 |
| Blau, N; Dill, P; Jakobs, C; Schneider, J; Tekin, M; Thöny, B; Trachsel, D; Weber, P | 1 |
| Fukui, M; Kang, KS; Wen, Y; Yamabe, N; Zhu, BT | 1 |
| Chen, PW; Chien, YH; Hwu, WL; Lee, NC; Wang, PC; Wu, JY | 1 |
| Cardoso, MA; de Carvalho, KA; de Francisco, TM; de Oliveira Vilhena, R; Gasparetto, JC; Guimarães de Francisco, TM; Martins, CA; Pontarolo, R; Ribeiro, RP | 1 |
| Cao, L; Hao, H; Hao, K; Li, F; Liu, H; Qi, Q; Wang, H | 1 |
| Bishnoi, P; Charde, SY; Raut, PP | 1 |
| Asanuma, M; Miyazaki, I | 1 |
| Akiyama, M; Akiyama, T; Hanaoka, Y; Hayashi, Y; Kobayashi, K; Kubota, M; Nakamura, K; Shibata, T; Tsuyusaki, Y; Yoshinaga, H | 1 |
| Herrman, L; Kinkel, M; Muhlack, S; Müller, T | 1 |
3 trial(s) available for dihydroxyphenylalanine and 3-methoxytyrosine
| Article | Year |
|---|---|
Pharmacokinetic-pharmacodynamic interaction between BIA 3-202, a novel COMT inhibitor, and levodopa/benserazide.
Topics: Acetophenones; Adolescent; Adult; Antiparkinson Agents; Area Under Curve; Benserazide; Catechol O-Methyltransferase Inhibitors; Cross-Over Studies; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Double-Blind Method; Drug Combinations; Drug Interactions; Female; Half-Life; Humans; Levodopa; Male; Middle Aged; Tyrosine | 2003 |
Chronic levodopa intake increases levodopa plasma bioavailability in patients with Parkinson's disease.
Topics: Adult; Aged; Analysis of Variance; Antiparkinson Agents; Area Under Curve; Benserazide; Biological Availability; Dihydroxyphenylalanine; Drug Administration Routes; Drug Administration Schedule; Female; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Time Factors; Tyrosine | 2004 |
Homocysteine levels after acute levodopa intake in patients with Parkinson's disease.
Topics: Aged; Analysis of Variance; Antiparkinson Agents; Dihydroxyphenylalanine; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Severity of Illness Index; Statistics as Topic; Time Factors; Tyrosine | 2009 |
41 other study(ies) available for dihydroxyphenylalanine and 3-methoxytyrosine
| Article | Year |
|---|---|
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 |
3-O-methyldopa administration does not alter fluorodopa transport into the brain.
Topics: Amino Acid Transport Systems; Amino Acids; Animals; Binding, Competitive; Biological Transport; Blood-Brain Barrier; Brain; Carrier Proteins; Dihydroxyphenylalanine; Macaca fascicularis; Male; Tomography, Emission-Computed; Tyrosine | 1992 |
Routine determination of [18F]-L-6-fluorodopa and its metabolites in blood plasma is essential for accurate positron emission tomography studies.
Topics: Adsorption; Age Factors; Aluminum Oxide; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Humans; Tomography, Emission-Computed; Tyrosine | 1992 |
Concentrations of tyrosine, L-dihydroxyphenylalanine, dopamine, and 3-O-methyldopa in the cerebrospinal fluid of Parkinson's disease.
Topics: Aged; Dihydroxyphenylalanine; Dopamine; Humans; Middle Aged; Parkinson Disease; Tyrosine | 1991 |
Simple automated high-performance liquid chromatographic column-switching technique for the measurement of dopa and 3-O-methyldopa in plasma.
Topics: Animals; Autoanalysis; Benserazide; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Electrochemistry; Humans; In Vitro Techniques; Indicators and Reagents; Male; Rats; Specimen Handling; Tyrosine | 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 |
Plasma dopa and feeding.
Topics: Animal Feed; Animals; Dihydroxyphenylalanine; Dogs; Dopamine; Eating; Epinephrine; Norepinephrine; Time Factors; Tyrosine | 1989 |
Inhibition of decarboxylase and levels of dopa and 3-O-methyldopa: a comparative study of benserazide versus carbidopa in rodents and of Madopar standard versus Madopar HBS in volunteers.
Topics: Administration, Oral; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Aromatic-L-Amino-Acid Decarboxylases; Benserazide; Brain; Carbidopa; Delayed-Action Preparations; Dihydroxyphenylalanine; Dogs; Dopa Decarboxylase; Dose-Response Relationship, Drug; Drug Combinations; Humans; Hydrazines; Kidney; Levodopa; Liver; Male; Mice; Rats; Time Factors; Tyrosine | 1987 |
A new method for the determination of L-dopa and 3-O-methyldopa in plasma and cerebrospinal fluid using gas chromatography and electron capture negative ion mass spectrometry.
Topics: Acetylation; Adult; Dihydroxyphenylalanine; Esterification; Gas Chromatography-Mass Spectrometry; Humans; Reference Values; Tyrosine | 1988 |
Free and conjugated plasma catecholamines, DOPA and 3-O-methyldopa in humans and in various animal species.
Topics: Adult; Animals; Catecholamines; Cats; Cattle; Chlorocebus aethiops; Dihydroxyphenylalanine; Dogs; Female; Guinea Pigs; Humans; Male; Middle Aged; Rabbits; Rats; Rats, Gunn; Rats, Inbred Strains; Species Specificity; Swine; Tyrosine; Ursidae | 1988 |
Effects of L-dopa and L-3-methoxytyrosine on D-methamphetamine-induced motor activity and seizures induced by electroshock.
Topics: Animals; Brain; Brain Chemistry; Dihydroxyphenylalanine; Dopamine; Electroshock; Male; Methamphetamine; Methyl Ethers; Motor Activity; Norepinephrine; Rats; Seizures; Tyrosine | 1973 |
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 |
Simultaneous determination of L-dopa and 3-O-methyldopa in human serum by high-performance liquid chromatography.
Topics: Adult; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Epinephrine; Humans; Levodopa; Male; Methyltyrosines; Norepinephrine; Parkinson Disease; Tyrosine | 1984 |
Formation of 3-hydroxy-4-methoxyphenylalanine from 3,4-dihydroxyphenylalanine by rat liver homogenate.
Topics: Animals; Catechol O-Methyltransferase; Dihydroxyphenylalanine; In Vitro Techniques; Liver; Male; Methylation; Methyltyrosines; Rats; Tyrosine | 1980 |
A semiautomated method for the rapid determination of dopa: comparison of plasma and erythrocyte-dopa concentration in levodopa-treated patients.
Topics: Autoanalysis; Dihydroxyphenylalanine; Erythrocytes; Humans; Levodopa; Methyltyrosines; Parkinson Disease; Spectrometry, Fluorescence; Tyrosine | 1982 |
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 |
A decreased tubular uptake of dopa results in defective renal dopamine production in aged rats.
Topics: 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Aromatic-L-Amino-Acid Decarboxylases; Biological Transport; Catechol O-Methyltransferase; Dihydroxyphenylalanine; Dopamine; Kidney; Kidney Cortex; Male; Microvilli; Monoamine Oxidase; Norepinephrine; Rats; Rats, Wistar; Regression Analysis; Tyrosine | 1995 |
Suppression of dyskinesias in advanced Parkinson's disease. I. Continuous intravenous levodopa shifts dose response for production of dyskinesias but not for relief of parkinsonism in patients with advanced Parkinson's disease.
Topics: Aged; Antiparkinson Agents; Carbidopa; Dihydroxyphenylalanine; Dose-Response Relationship, Drug; Drug Combinations; Female; Humans; Infusions, Intravenous; Levodopa; Male; Middle Aged; Movement Disorders; Parkinson Disease; Tyrosine | 1993 |
Effects of catechol-O-methyltransferase inhibitors and L-3,4-dihydroxyphenylalanine with or without carbidopa on extracellular dopamine in rat striatum.
Topics: Animals; Benzophenones; Carbidopa; Catechol O-Methyltransferase Inhibitors; Catechols; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Extracellular Space; Male; Nitriles; Nitrophenols; Rats; Rats, Sprague-Dawley; Tolcapone; Tyrosine | 1993 |
Fluorodopa positron emission tomography with an inhibitor of catechol-O-methyltransferase: effect of the plasma 3-O-methyldopa fraction on data analysis.
Topics: Adult; Aged; Catechol O-Methyltransferase Inhibitors; Catechols; Chromatography, High Pressure Liquid; Corpus Striatum; Dihydroxyphenylalanine; Enzyme Inhibitors; Female; Fluorine Radioisotopes; Humans; Kinetics; Male; Middle Aged; Nitriles; Occipital Lobe; Parkinson Disease; Quality Control; Sensitivity and Specificity; Tomography, Emission-Computed; Tyrosine | 1996 |
Demethylation of 3-O-methyldopa in the kidney: a possible source for dopamine in urine.
Topics: Animals; Catechols; Dihydroxyphenylalanine; Dopamine; Kidney; Kidney Cortex; Kidney Tubules; Male; Methylation; Natriuresis; Rats; Rats, Wistar; Sodium-Potassium-Exchanging ATPase; Tyrosine | 1996 |
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 |
Plasma homocysteine and l-dopa metabolism in patients with Parkinson disease.
Topics: Antiparkinson Agents; Dihydroxyphenylalanine; Dopamine; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; 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 |
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 |
3-OMD and homocysteine plasma levels in parkinsonian patients.
Topics: Dihydroxyphenylalanine; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Tyrosine | 2002 |
Interference of the electrospray voltage on chromatographic separations using porous graphitic carbon columns.
Topics: Chromatography, Liquid; Dihydroxyphenylalanine; Dopamine; Electrochemistry; Graphite; Norepinephrine; Spectrometry, Mass, Electrospray Ionization; Tyrosine | 2004 |
Abnormally increased CSF 3-Ortho-methyldopa (3-OMD) in untreated restless legs syndrome (RLS) patients indicates more severe disease and possibly abnormally increased dopamine synthesis.
Topics: Adult; Aged; Biomarkers; Circadian Rhythm; Dihydroxyphenylalanine; Dopamine; Female; Humans; Linear Models; Male; Middle Aged; Restless Legs Syndrome; Severity of Illness Index; Spinal Puncture; Tyrosine; Tyrosine 3-Monooxygenase | 2009 |
Peripheral COMT inhibition prevents levodopa associated homocysteine increase.
Topics: Adult; Aged; Aged, 80 and over; Antiparkinson Agents; Carbidopa; Catechol O-Methyltransferase Inhibitors; Catechols; Delayed-Action Preparations; Dihydroxyphenylalanine; Enzyme Inhibitors; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Nitriles; Parkinson Disease; 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 |
Pyridoxal phosphate-responsive seizures in a patient with cerebral folate deficiency (CFD) and congenital deafness with labyrinthine aplasia, microtia and microdontia (LAMM).
Topics: Base Sequence; Child; Codon, Nonsense; Congenital Abnormalities; Congenital Microtia; Dihydroxyphenylalanine; DNA Primers; Ear; Ear, Inner; Electroencephalography; Epilepsy; Fibroblast Growth Factor 3; Folate Receptor 1; Folic Acid Deficiency; Humans; Levodopa; Male; Molecular Sequence Data; Pyridoxal Phosphate; Radiography; Sequence Analysis, DNA; Skull; Syndrome; Tooth Abnormalities; Tyrosine | 2011 |
Beneficial effects of natural phenolics on levodopa methylation and oxidative neurodegeneration.
Topics: Adrenergic Uptake Inhibitors; Analysis of Variance; Animals; Antiparkinson Agents; Carbidopa; Catechin; Catechol O-Methyltransferase; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Disease Models, Animal; Excitatory Amino Acid Agonists; Fluoresceins; Glial Fibrillary Acidic Protein; Hippocampus; Hydroxybenzoates; In Vitro Techniques; Kainic Acid; Levodopa; Male; Methylation; Mice; Nerve Degeneration; Neurons; Rats; Rats, Sprague-Dawley; Reserpine; Time Factors; Tyrosine | 2013 |
Diagnosis of aromatic L-amino acid decarboxylase deficiency by measuring 3-O-methyldopa concentrations in dried blood spots.
Topics: Amino Acid Metabolism, Inborn Errors; Aromatic-L-Amino-Acid Decarboxylases; Calibration; Child; Child, Preschool; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dried Blood Spot Testing; Humans; Infant; Infant, Newborn; Neonatal Screening; Quality Control; Reference Standards; Reproducibility of Results; Tandem Mass Spectrometry; Tyrosine | 2014 |
Simultaneous determination of levodopa, carbidopa, entacapone, tolcapone, 3-O-methyldopa and dopamine in human plasma by an HPLC-MS/MS method.
Topics: Benzophenones; Blood Chemical Analysis; Carbidopa; Catechols; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine; Humans; Levodopa; Nitriles; Nitrophenols; Quality Control; Reproducibility of Results; Tandem Mass Spectrometry; Tolcapone; Tyrosine | 2015 |
Salvianolic acid B as a substrate and weak catechol-O-methyltransferase inhibitor in rats.
Topics: Animals; Benzofurans; Benzophenones; Catechol O-Methyltransferase; Catechol O-Methyltransferase Inhibitors; Dihydroxyphenylalanine; Kinetics; Levodopa; Male; Metabolome; Methylation; Nitrophenols; Organ Specificity; Rats, Sprague-Dawley; Reproducibility of Results; Substrate Specificity; Tolcapone; Tyrosine | 2015 |
Simultaneous estimation of levodopa, carbidopa and 3-oxymethyldopa in rat plasma using HPLC-ECD.
Topics: Animals; Carbidopa; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electrochemical Techniques; Levodopa; Limit of Detection; Male; Rats; Rats, Wistar; Tyrosine | 2016 |
3-O-Methyldopa inhibits astrocyte-mediated dopaminergic neuroprotective effects of L-DOPA.
Topics: Animals; Astrocytes; Catechol O-Methyltransferase Inhibitors; Catechols; Cells, Cultured; Corpus Striatum; Dihydroxyphenylalanine; Dopamine Agents; Dopaminergic Neurons; Dose-Response Relationship, Drug; Glutathione; Levodopa; Mesencephalon; Neuroprotection; Neuroprotective Agents; Nitriles; Rats, Sprague-Dawley; Tyrosine | 2016 |
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 |
Levodopa, placebo and rotigotine change biomarker levels for oxidative stress.
Topics: Aged; Analysis of Variance; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dipeptides; Dopamine Agents; Electrochemical Techniques; Female; Homocysteine; Humans; Levodopa; Male; Middle Aged; Oxidative Stress; Parkinson Disease; Tetrahydronaphthalenes; Thiophenes; Time Factors; Tyrosine | 2017 |