levodopa has been researched along with leucine in 22 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 10 (45.45) | 18.7374 |
| 1990's | 2 (9.09) | 18.2507 |
| 2000's | 5 (22.73) | 29.6817 |
| 2010's | 4 (18.18) | 24.3611 |
| 2020's | 1 (4.55) | 2.80 |
| Authors | Studies |
|---|---|
| Ax, F; Bonham, NM; Hallberg, A; Karlén, A; Lennernäs, H; Winiwarter, S | 1 |
| Cha, SH; Chairoungdua, A; Endou, H; Kanai, Y; Kim, DK; Matsuo, H | 1 |
| Cha, SH; Chairoungdua, A; Endou, H; Enomoto, A; Goya, T; Kanai, Y; Kim, DK; Kim, JY; Kobayashi, Y; Matsuo, H | 1 |
| Avdeef, A; Tam, KY | 1 |
| Boegman, RJ; Wood, PL | 1 |
| Wick, MM | 1 |
| Drewes, LR; Gilboe, DD | 1 |
| Kobayashi, S | 1 |
| Garcia-Sancho, FJ; Herreros, B | 1 |
| Burke, WJ; Joh, TH | 1 |
| Lindström, P; Sehlin, J | 1 |
| Munro, HN; Roel, LE; Weiss, BF; Wurtman, RJ | 1 |
| Cooper, RL; Linnoila, M | 1 |
| Fahn, S; Floud, A | 1 |
| Ahrenstedt, O; Aquilonius, SM; Knutson, L; Lennernäs, H; Nilsson, D; Paalzow, LK | 1 |
| Dória, S; Gomes, P; Jose, PA; Serrão, P; Soares-da-Silva, P; Xu, J | 1 |
| Fraga, S; Serrão, MP; Soares-da-Silva, P | 1 |
| Serrão, MP; Soares-da-Silva, P | 1 |
| Calas, A; Kurina, A; Pronina, T; Sapronova, A; Sorokin, A; Taxi, J; Ugrumov, M | 1 |
| de Boer, AH; Frijlink, HW; Grasmeijer, F; Hagedoorn, P; Luinstra, M; Moes, JR | 1 |
| Kudrin, VS; Kurina, AU; Pronina, TS; Ugrumov, MV | 1 |
| Bahrainian, S; Gilani, K; Gilani, Z; Mirmoeini, MS | 1 |
22 other study(ies) available for levodopa and leucine
| Article | Year |
|---|---|
Correlation of human jejunal permeability (in vivo) of drugs with experimentally and theoretically derived parameters. A multivariate data analysis approach.
Topics: Humans; Intestinal Absorption; Jejunum; Models, Biological; Multivariate Analysis; Permeability; Pharmaceutical Preparations; Structure-Activity Relationship | 1998 |
Expression cloning of a Na+-independent aromatic amino acid transporter with structural similarity to H+/monocarboxylate transporters.
Topics: Amino Acid Sequence; Amino Acid Transport Systems; Amino Acid Transport Systems, Neutral; Animals; Anion Transport Proteins; Bacterial Proteins; Carrier Proteins; Cloning, Molecular; Escherichia coli Proteins; Female; Intestine, Small; Kinetics; Levodopa; Mice; Molecular Sequence Data; Oocytes; Phenylalanine; Rats; Recombinant Proteins; Sequence Alignment; Sequence Homology, Amino Acid; Substrate Specificity; Tryptophan; Tyrosine; Xenopus laevis | 2001 |
The human T-type amino acid transporter-1: characterization, gene organization, and chromosomal location.
Topics: Amino Acid Sequence; Amino Acid Transport Systems, Neutral; Animals; Carrier Proteins; Chromosome Mapping; Chromosomes, Human, Pair 6; Humans; Molecular Sequence Data; Oocytes; Rats; Sequence Analysis, DNA; Sequence Homology; Xenopus laevis | 2002 |
How well can the Caco-2/Madin-Darby canine kidney models predict effective human jejunal permeability?
Topics: Animals; Disease Models, Animal; Dogs; Humans; Jejunal Diseases; Kidney Diseases; Models, Biological; Permeability; Porosity; Regression Analysis | 2010 |
Monoamines as possible mediators in the regulation of fast axoplasmic flow.
Topics: 5-Hydroxytryptophan; Animals; Axonal Transport; Biogenic Amines; Carboxy-Lyases; Dose-Response Relationship, Drug; Drug Combinations; Leucine; Levodopa; Male; Pargyline; Rats; Reserpine; Serotonin; Spinal Cord | 1976 |
L-Dopa methyl ester: prolongation of survival of neuroblastoma-bearing mice after treatment.
Topics: Animals; Benserazide; Cell Line; Drug Synergism; Leucine; Levodopa; Male; Mice; Neoplasms, Experimental; Neuroblastoma; Thymidine; Uridine | 1978 |
Nutrient transport systems in dog brain.
Topics: Adenine; Amino Acids; Animals; Biological Transport; Blood-Brain Barrier; Dogs; Erythrocytes; Glutamates; In Vitro Techniques; Ions; Leucine; Levodopa; Oxygenators, Membrane; Palmitic Acids; Perfusion; Thymine; Urea | 1977 |
Uptake and intracellular localization of exogenous L-DOPA, L-leucine and their metabolites in the gastro-enteric endocrine cells of the mouse studied by electron microscope autoradiography.
Topics: Animals; Autoradiography; Cytoplasmic Granules; Duodenum; Gastric Mucosa; Gastrointestinal Hormones; Histocytochemistry; Leucine; Levodopa; Male; Mice; Microscopy, Electron; Stomach; Tritium | 1975 |
Characterization of transport systems for the transfer of 3,4-L-dihydroxyphenylalanine into slices of rat cerebral cortex.
Topics: Alanine; Amino Acids; Animals; Biological Transport; Cerebral Cortex; Histidine; Kinetics; Leucine; Levodopa; Male; Potassium; Rats; Sodium | 1975 |
Effect of dopamine on tyrosine hydroxylase in cultured rat adrenal medulla.
Topics: Adrenal Medulla; Animals; Culture Techniques; Dopamine; Leucine; Levodopa; Male; Protein Biosynthesis; Rats; Tyrosine 3-Monooxygenase | 1988 |
Effects of substrates for aromatic L-amino acid decarboxylase on insulin secretion.
Topics: 5-Hydroxytryptophan; Animals; Glucose; Glutamine; Insulin; Insulin Secretion; Islets of Langerhans; Leucine; Levodopa; Mice; Mice, Obese; Tyrosine | 1987 |
The effect of L-DOPA on brain polysomes and protein synthesis: probable mediation by intracellular dopamine.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Carbon Radioisotopes; Decarboxylation; Depression, Chemical; Dihydroxyphenylalanine; Dopamine; Drug Interactions; Enzyme Inhibitors; Hydrazines; Leucine; Levodopa; Lysine; Male; Methyldopa; Nerve Tissue Proteins; Norepinephrine; Polyribosomes; Rats; S-Adenosylmethionine; Time Factors | 1974 |
Effects of centrally and systemically administered L-tyrosine and L-leucine on ovarian function in the old rat.
Topics: Aging; Animals; Catecholamines; Estrus; Female; Leucine; Levodopa; Ovary; Pregnancy; Preoptic Area; Rats; Serotonin; Tyrosine | 1980 |
L-DOPA (L-3,4-dihydroxyphenylalanine) uptake by human red blood cells.
Topics: Biological Transport; Cell Membrane Permeability; Erythrocytes; Humans; In Vitro Techniques; Kinetics; Leucine; Levodopa; Tryptophan | 1981 |
The effect of L-leucine on the absorption of levodopa, studied by regional jejunal perfusion in man.
Topics: Adult; Antipyrine; Benserazide; Female; Glucose; Humans; Hydrogen-Ion Concentration; Intestinal Absorption; Intestine, Small; Jejunum; Leucine; Levodopa; Male; Perfusion; Stereoisomerism | 1993 |
Expression and function of sodium transporters in two opossum kidney cell clonal sublines.
Topics: Amiloride; Animals; Aromatic-L-Amino-Acid Decarboxylases; Biological Transport; Catechol O-Methyltransferase; Clone Cells; Diuretics; Epithelial Cells; Hypertension, Renal; Immunoblotting; Kidney; Leucine; Levodopa; LLC-PK1 Cells; Methylglucosides; Microscopy, Electron, Scanning; Opossums; p-Aminohippuric Acid; Parathyroid Hormone; Sodium-Hydrogen Exchanger 3; Sodium-Hydrogen Exchangers; Sodium-Potassium-Exchanging ATPase; Swine | 2002 |
The L-3,4-dihydroxyphenylalanine transporter in human and rat epithelial intestinal cells is a type 2 hetero amino acid exchanger.
Topics: Amino Acid Transport Systems; Animals; Caco-2 Cells; Cell Line; Dose-Response Relationship, Drug; Epithelial Cells; Humans; Intestinal Mucosa; Intestines; Leucine; Levodopa; Rats | 2002 |
High- and low-affinity transport of L-leucine and L-DOPA by the hetero amino acid exchangers LAT1 and LAT2 in LLC-PK1 renal cells.
Topics: Animals; Biological Transport; Hydrogen-Ion Concentration; Kidney; Large Neutral Amino Acid-Transporter 1; Leucine; Levodopa; LLC-PK1 Cells; Sodium; Swine; Transcription, Genetic | 2004 |
Neurons expressing individual enzymes of dopamine synthesis in the mediobasal hypothalamus of adult rats: functional significance and topographic interrelations.
Topics: Animals; Arcuate Nucleus of Hypothalamus; Aromatic-L-Amino-Acid Decarboxylases; Central Nervous System Agents; Chromatography, High Pressure Liquid; Dopamine; Immunohistochemistry; Leucine; Levodopa; Male; Microscopy, Electron; Neurons; Rats, Wistar; Substantia Nigra; Tissue Culture Techniques; Tyrosine 3-Monooxygenase | 2014 |
A levodopa dry powder inhaler for the treatment of Parkinson's disease patients in off periods.
Topics: Administration, Inhalation; Aerosols; Antiparkinson Agents; Chemistry, Pharmaceutical; Dose-Response Relationship, Drug; Dry Powder Inhalers; Excipients; Humans; Leucine; Levodopa; Parkinson Disease; Reproducibility of Results; Tissue Distribution | 2015 |
Missing proof of cooperative synthesis of dopamine by non-dopaminergic neurons.
Topics: Animals; Aromatic-L-Amino-Acid Decarboxylases; Benzophenones; Catechol O-Methyltransferase Inhibitors; Coculture Techniques; Dopamine; Hypothalamus; Isotonic Solutions; Leucine; Levodopa; Male; Neurons; Nitrophenols; Rats, Wistar; Substantia Nigra; Tolcapone; Tyrosine 3-Monooxygenase | 2016 |
Engineering of levodopa inhalable microparticles in combination with leucine and dipalmitoylphosphatidylcholine by spray drying technique.
Topics: 1,2-Dipalmitoylphosphatidylcholine; Administration, Inhalation; Aerosols; Dry Powder Inhalers; Leucine; Levodopa; Particle Size; Powders; Spray Drying | 2021 |