kynurenic acid has been researched along with niacinamide in 34 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 22 (64.71) | 18.7374 |
| 1990's | 4 (11.76) | 18.2507 |
| 2000's | 1 (2.94) | 29.6817 |
| 2010's | 5 (14.71) | 24.3611 |
| 2020's | 2 (5.88) | 2.80 |
| Authors | Studies |
|---|---|
| Bühlen, E; Bühner, R; Byrd, DJ; Kochen, W | 1 |
| Bender, DA; Njagi, EN | 2 |
| Brown, RR; Madsen, PO; Price, JM; Wolf, H | 1 |
| Brown, RR; Hankes, LV; Lippincott, S; Schmaeler, M | 2 |
| Boucek, RJ; Dietrich, LS; Hlavackova, V | 1 |
| Bowman, AL; Hogue, DE; Travis, HF; Warner, RG | 1 |
| Brown, RR; Hankes, LV | 1 |
| Brown, RR; Leklem, JE; Woodford, J | 1 |
| Crawford, MA; Hansen, IL; Lopez, A | 1 |
| Brown, RR; Burney, SW; Friedell, GH; Price, JM | 1 |
| Hardy, J; Heeley, AF; Heeley, ME; Soothill, JF | 1 |
| Brown, RR; Price, JM; Yess, N | 1 |
| Leklem, JE | 1 |
| Curzon, G; Green, AR | 1 |
| Berg, CP; Loh, HH | 1 |
| Allegri, G; Costa, C; Crepaldi, G; De Antoni, A; Muggeo, M | 1 |
| Houpt, JB; Hunt, M; Ogryzlo, MA | 1 |
| Brown, RR; Hankes, LV; Jansen, CR; Leklem, J; Mekel, RC | 1 |
| Masana, Y; Nakagawa, I; Suzuki, T; Takahashi, T | 1 |
| Perkins, MN; Stone, TW | 1 |
| Hayakawa, T; Kondo, T; Mushiage, M; Shibata, K; Tsuge, H | 1 |
| Kondo, T; Miki, A; Shibata, K | 1 |
| PASQUARIELLO, G | 1 |
| MAINARDI, L; TENCONI, LT | 1 |
| Fukuwatari, T; Shibata, K | 3 |
| Fukuwatari, T; Hiratsuka, C; Saito, K; Sano, M; Sasaki, S; Shibata, K | 1 |
| Fukuwatari, T; Funakoshi, H; Kadota, E; Kanai, M; Nakamura, T; Sano, M; Shibata, K; Terakata, M | 1 |
| Shibata, K | 1 |
| Fathi, M; Hajibeygi, R; Jazi, K; Klegeris, A; McElhinney, A; Sayehmiri, F; Shool, S; Sodeifian, F; Tavasol, A; Tavirani, MR; Vakili, K; Yaghoobpoor, S | 1 |
| Axelsson, J; Balter, LJ; Erhardt, S; Lasselin, J; Lekander, M; Li, X; Olsson, MJ; Schwieler, L | 1 |
4 review(s) available for kynurenic acid and niacinamide
| Article | Year |
|---|---|
Testing the functional capacity of the tryptophan-niacin pathway in man by analysis of urinary metabolites.
Topics: Adult; Amides; Amines; Chromatography, Ion Exchange; Equipment and Supplies; Female; Hormones; Humans; Indican; Ion Exchange Resins; Kynurenic Acid; Male; Metabolism, Inborn Errors; Methods; Niacinamide; Nicotinic Acids; Phenols; Pregnancy; Pyridoxine; Spectrophotometry; Tryptophan; Vitamins; Xanthurenates | 1965 |
Quantitative aspects of tryptophan metabolism in humans and other species: a review.
Topics: Age Factors; Amides; Animals; Carbon Isotopes; Cats; Dogs; Female; Glucuronates; Glycine; Hippurates; Humans; Hydroxyindoleacetic Acid; Indican; Kynurenic Acid; Kynurenine; Lysine; Male; Mice; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Pyridines; Pyridones; Pyridoxine; Rats; Serotonin; Sex Factors; Species Specificity; Swine; Time Factors; Tryptophan; Xanthurenates | 1971 |
Organ Co-Relationship in Tryptophan Metabolism and Factors That Govern the Biosynthesis of Nicotinamide from Tryptophan.
Topics: 3-Hydroxyanthranilate 3,4-Dioxygenase; 3-Hydroxyanthranilic Acid; Animals; Diet; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kynurenic Acid; Liver; Niacinamide; Nutritional Status; Pentosyltransferases; Quinolinic Acid; Tryptophan; Vitamin B Deficiency; Xanthurenates | 2018 |
Dynamic changes in metabolites of the kynurenine pathway in Alzheimer's disease, Parkinson's disease, and Huntington's disease: A systematic Review and meta-analysis.
Topics: 3-Hydroxyanthranilic Acid; Adenosine; Alzheimer Disease; Humans; Huntington Disease; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; NAD; Niacinamide; Parkinson Disease; Tryptophan | 2022 |
3 trial(s) available for kynurenic acid and niacinamide
| Article | Year |
|---|---|
Studies on tryptophan metabolism in male subjects treated with female sex hormones.
Topics: Aminohippuric Acids; Chlorotrianisene; Chromatography, Ion Exchange; Clinical Trials as Topic; Diethylstilbestrol; Glucuronates; Humans; Indican; Isonicotinic Acids; Kynurenic Acid; Kynurenine; Male; Mestranol; Niacinamide; Norethindrone; Norethynodrel; ortho-Aminobenzoates; Progestins; Prostatic Diseases; Prostatic Hyperplasia; Prostatitis; Pyridones; Pyridoxine; Spectrophotometry; Tryptophan; Tryptophan Oxygenase; Xanthurenates | 1970 |
Supplementing healthy women with up to 5.0 g/d of L-tryptophan has no adverse effects.
Topics: Adolescent; Adult; Biomarkers; Body Mass Index; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Female; Humans; Kynurenic Acid; Kynurenine; Niacinamide; ortho-Aminobenzoates; Placebos; Tryptophan; Young Adult | 2013 |
Lipopolysaccharide-induced changes in the kynurenine pathway and symptoms of sickness behavior in humans.
Topics: Adult; Female; Humans; Illness Behavior; Kynurenic Acid; Kynurenine; Lipopolysaccharides; Niacinamide; Young Adult | 2023 |
27 other study(ies) available for kynurenic acid and niacinamide
| Article | Year |
|---|---|
[Studies on tryptophan metabolism in untreated phenylketonuric patients].
Topics: Acetophenones; Adolescent; Adult; Biotransformation; Child; Child, Preschool; Chromatography, Ion Exchange; Chromatography, Thin Layer; Female; Humans; Kynurenic Acid; Kynurenine; Male; Mass Spectrometry; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Phenylalanine; Phenylketonurias; Quinolines; Tryptophan; Xanthurenates | 1975 |
Tryptophan metabolism in mice infected with Schistosoma mansoni.
Topics: Animals; Cells, Cultured; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; Liver; Male; Mice; Niacinamide; Schistosomiasis mansoni; Serotonin; Tryptophan; Xanthurenates | 1991 |
Schistosoma mansoni: effects on tryptophan metabolism in mice.
Topics: Animals; Chemical Phenomena; Chemistry; Kynurenic Acid; Kynurenine; Liver; Male; Mice; Niacinamide; Oxidation-Reduction; Pyridoxine; Schistosomiasis mansoni; Tryptophan | 1990 |
Effects of L-tryptophan load on the metabolism of tryptophan-2-C14 in man.
Topics: Aged; Aminohippuric Acids; Carbon Dioxide; Female; Humans; Kynurenic Acid; Kynurenine; Male; Middle Aged; Niacinamide; Pyridines; Pyridones; Tryptophan; Tryptophan Oxygenase; Xanthurenates | 1967 |
Tryptophan metabolism during the mid-period of embryonic development (chick).
Topics: Animals; Body Fluids; Chick Embryo; Chromatography, Gas; Chromatography, Paper; Hydrolases; Kynurenic Acid; Liver; Niacinamide; Nicotinic Acids; Pyridines; Tryptophan; Xanthurenates | 1967 |
Vitamin B6 requirement of the mink.
Topics: Animal Nutritional Physiological Phenomena; Animals; Diet; Female; Growth; Kynurenic Acid; Male; Mink; Niacinamide; Pyridoxine; Time Factors; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates | 1968 |
Metabolism of D- and L-kynurenine-keto-14C in rats and the effects of unlabeled enantiomers.
Topics: Animals; Autoradiography; Carbon Dioxide; Carbon Isotopes; Chromatography, Paper; Injections, Intraperitoneal; Kynurenic Acid; Kynurenine; Methods; Niacinamide; Nicotinic Acids; Pyridines; Rats; Stereoisomerism; Xanthurenates | 1968 |
Comparative tryptophan metabolism in cats and rats: differences in adaptation of tryptophan oxygenase and in vivo metabolism of tryptophan, kynurenine and hydroxykynurenine.
Topics: Amino Acids; Aminohippuric Acids; Animals; Cats; Enzyme Induction; Glucuronates; Hydrocortisone; Indican; Kynurenic Acid; Kynurenine; Male; Niacinamide; ortho-Aminobenzoates; Phenylbutyrates; Rats; Species Specificity; Sulfates; Tryptophan; Tryptophan Oxygenase; Urinary Bladder Neoplasms; Xanthurenates | 1969 |
The excretion of 3-hydroxyanthranilic and quinolinic acid in Uganda Africans.
Topics: Adult; Analysis of Variance; Creatinine; Diet; Edible Grain; Female; Fruit; Humans; Kynurenic Acid; Male; Manihot; Niacinamide; ortho-Aminobenzoates; Plants, Edible; Pyridines; Tryptophan; Uganda; Urinary Bladder Neoplasms; Xanthurenates | 1969 |
Lack of effect of smoking on the excretion of tryptophan metabolites by man.
Topics: Adult; Aminohippuric Acids; Female; Glucuronates; Humans; Kynurenic Acid; Kynurenine; Male; Middle Aged; Niacinamide; Pyridinium Compounds; Smoking; Tryptophan; Urinary Bladder Neoplasms; Xanthurenates | 1970 |
A disorder of tryptophan metabolism in chronic granulomatous disease.
Topics: Child; Child, Preschool; Chromatography, Paper; Chronic Disease; Granuloma; Humans; Infant, Newborn; Infant, Newborn, Diseases; Infections; Kynurenic Acid; Kynurenine; Lymphadenitis; Male; Niacinamide; Pyridoxine; Tryptophan; Xanthurenates | 1970 |
The effect of tryptophan metabolites on brain 5-hydroxytryptamine metabolism.
Topics: Alanine; Allopurinol; Amino Acids; Animals; Brain; Brain Chemistry; Carbon Isotopes; Carboxy-Lyases; Histamine; Kynurenic Acid; Kynurenine; Male; Methanol; Methyldopa; Mixed Function Oxygenases; Niacinamide; Nicotinic Acids; Nitroglycerin; ortho-Aminobenzoates; Phenylalanine; Phenylbutyrates; Picolinic Acids; Pyridines; Pyridoxal Phosphate; Pyridoxine; Rats; Serotonin; Sulfuric Acids; Time Factors; Tryptophan; Tryptophan Oxygenase; Xanthurenates | 1970 |
Conversion of D-tryptophan to nicotinic acid in the rat.
Topics: Animals; Deficiency Diseases; Indoles; Kidney; Kynurenic Acid; Kynurenine; Liver; Male; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Pyruvates; Rats; Stereoisomerism; Sulfuric Acids; Tryptophan; Xanthurenates | 1971 |
The influence of simultaneous administration of vitamin B 6 and nicotinamide on tryptophan metabolism in Hodgkin's disease.
Topics: Acylation; Administration, Oral; Aminohippuric Acids; Hodgkin Disease; Humans; Hydroxylation; Infusions, Parenteral; Kynurenic Acid; Kynurenine; Methyl Ethers; Niacinamide; ortho-Aminobenzoates; Pyridoxine; Tryptophan; Xanthurenates | 1972 |
Tryptophan metabolism in man (with special reference to rheumatoid arthritis and scleroderma).
Topics: Arthritis, Rheumatoid; Aspirin; Cystinuria; Drug Synergism; Edetic Acid; Humans; Kynurenic Acid; Kynurenine; Methods; Niacinamide; Penicillamine; Pyridoxine; Scleroderma, Systemic; Tryptophan; Xanthurenates | 1973 |
Abnormal tryptophan metabolism in patients with scurvy-type skin.
Topics: Acetates; Adult; Aminohippuric Acids; Black or African American; Black People; Ethnicity; Glucuronates; Hemosiderosis; Humans; Indoles; Kynurenic Acid; Kynurenine; Male; NAD; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Pyridines; Scurvy; South Africa; Sulfuric Acids; Tryptophan; Xanthurenates | 1973 |
Effect in man of the addition of tryptophan oniacin to the diet on the excretion of their metabolites.
Topics: Creatinine; Diet; Female; Humans; Kynurenic Acid; NAD; NADP; Niacinamide; Nicotinic Acids; Nitrogen; Pyridones; Tryptophan; Urea; Xanthurenates | 1969 |
An iontophoretic investigation of the actions of convulsant kynurenines and their interaction with the endogenous excitant quinolinic acid.
Topics: Acetylcholine; Animals; Aspartic Acid; Cerebral Cortex; Convulsants; Drug Interactions; Kynurenic Acid; Kynurenine; Male; N-Methylaspartate; Neuromuscular Depolarizing Agents; Niacinamide; Oxadiazoles; Pyridines; Quinolinic Acid; Quinolinic Acids; Quisqualic Acid; Rats | 1982 |
Effects of vitamin B6 deficiency on the conversion ratio of tryptophan to niacin.
Topics: Animals; Diet; Feeding Behavior; Kynurenic Acid; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Vitamin B 6 Deficiency; Weight Gain; Xanthurenates | 1995 |
Increased conversion ratio of tryptophan to niacin in severe food restriction.
Topics: Animals; Food Deprivation; Kynurenic Acid; Male; Niacin; Niacinamide; Rats; Rats, Wistar; Tryptophan; Xanthurenates | 1998 |
METABOLISM OF 3-HYDROXYANTHRANILIC ACID-CARBOXYL-C14 IN THE HUMAN.
Topics: 3-Hydroxyanthranilic Acid; Achondroplasia; Blood; Carbon Isotopes; Chromatography; Hippurates; Humans; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Niacinamide; Nicotinic Acids; ortho-Aminobenzoates; Pyridines; Rats; Research; Tryptophan; Urine; Xanthurenates | 1964 |
[RESEARCH ON THE TRYPTOPHAN--NICOTINIC ACID PATHWAY IN DIABETES MELLITUS].
Topics: Diabetes Mellitus; Geriatrics; Hippurates; Insulin; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Niacinamide; Nicotinic Acids; Research; Tryptophan; Urine | 1964 |
[CONTRIBUTION TO THE STUDY OF METABOLITES OF THE TRYPTOPHAN TO NICOTINIC ACID PATHWAY IN RELATION TO SEX].
Topics: Humans; Kynurenic Acid; Kynurenine; Metabolism; Niacin; Niacinamide; Nicotinic Acids; Research; Sex; Tryptophan; Urine; Xanthurenates | 1964 |
Effect of nicotinamide administration on the tryptophan-nicotinamide pathway in humans.
Topics: 3-Hydroxyanthranilic Acid; Adult; Chromatography, High Pressure Liquid; Feedback, Physiological; Female; Humans; Kynurenic Acid; Niacinamide; ortho-Aminobenzoates; Quinolinic Acid; Tryptophan; Xanthurenates | 2007 |
The metabolites in the tryptophan degradation pathway might be useful to determine the tolerable upper intake level of tryptophan intake in rats.
Topics: Adult; Animals; Female; Humans; Kynurenic Acid; Male; Niacinamide; No-Observed-Adverse-Effect Level; Nutritional Requirements; ortho-Aminobenzoates; Rats; Rats, Wistar; Tryptophan; Vitamins | 2012 |
The niacin required for optimum growth can be synthesized from L-tryptophan in growing mice lacking tryptophan-2,3-dioxygenase.
Topics: 3-Hydroxyanthranilic Acid; Animals; Body Weight; Diet; Female; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kynurenic Acid; Kynurenine; Liver; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Mice, Transgenic; Niacin; Niacinamide; Quinolinic Acid; Tryptophan; Tryptophan Oxygenase; Xanthurenates | 2013 |
Large amounts of picolinic acid are lethal but small amounts increase the conversion of tryptophan-nicotinamide in rats.
Topics: Animals; Body Weight; Carboxy-Lyases; Dose-Response Relationship, Drug; Iron Chelating Agents; Kynurenic Acid; Liver; Male; Niacinamide; ortho-Aminobenzoates; Pentosyltransferases; Picolinic Acids; Quinolinic Acid; Rats; Rats, Wistar; Tryptophan; Xanthurenates | 2014 |