1,7-dimethylxanthine and uric acid

1,7-dimethylxanthine has been researched along with uric acid in 32 studies

Research

Studies (32)

TimeframeStudies, this research(%)All Research%
pre-19903 (9.38)18.7374
1990's12 (37.50)18.2507
2000's8 (25.00)29.6817
2010's5 (15.63)24.3611
2020's4 (12.50)2.80

Authors

AuthorsStudies
Bearne, SL; Lunn, FA; Roy, AC1
Fuhr, U; Roots, I; Rost, KL; Staib, AH1
Botteron, GW; Hughes, EM; Hurwitz, A; Jayaraj, A; Sztern, MI; Vacek, JL1
Beitins, IZ; Kilbane, AJ; Manis, M; Silbart, LK; Weber, WW1
Hafkenscheid, JC; Hekster, YA; Nouws, JF; Vree, JB; Vree, TB1
Chakraborty, J; Marks, V; Scott, NR1
Bonati, M; Garattini, S; Latini, R; Marzi, E1
Galteau, MM; Gueguen, R; Pontes, ZB; Siest, G; Vincent-Viry, M1
Roots, I; Rost, KL1
Andersson, T; Birkett, DJ; McManus, ME; Miners, JO; Tassaneeyakul, W; Tukey, RH; Veronese, ME1
Bartsch, H; Bernucci, I; Caporaso, NE; Kadlubar, FF; Landi, MT; Malaveille, C; Shields, P; Skipper, P; Tannenbaum, S; Vineis, P; Zocchetti, C1
Benchekroun, Y; Brazier, JL; Dautraix, S; Désage, M1
Lunte, CE; Zhao, Y1
Bernal, ML; Fanlo, A; Juste, JL; Lanuza, J; Mayayo, E; Sáenz, MA; Sinués, B1
Cao, XM; Ling, SS; Lu, JF; Yi, T; Zhuo, HT1
Cao, XM; Lin, SS; Lu, JF; Yi, T; Zhuo, HT1
Crews, HM; Olivier, L; Wilson, LA1
Hammons, G; Kadlubar, FF; Lang, NP; Nowell, S; Sweeney, C1
Abraham, K; Bauer, S; Brockmöller, J; Geusau, A; Helge, H; Tosun, Y1
Li, J; Peng, XQ; Xu, JP; Zhang, J1
Asprodini, EK; Begas, E; Kouvaras, E; Papakosta, S; Tsakalof, A1
Fanlo, A; Ferrandez-Longás, A; Labarta, JI; Mayayo, E; Mayayo-Sinués, E; Sinués, B; Vicente, J1
Arenaz, I; Carcas, C; Cebollada, A; Fanlo, A; Mayayo, E; Sinues, B; Vicente, J1
Gopishetty, S; Kale, Y; Louie, TM; Subramanian, M; Summers, R; Yu, CL1
Kamataki, T; Kimura, M; Kiyotani, K; Nakagawa, K; Shimizu, M; Yamazaki, H1
Fan, XR; Li, XY; Li, YF; Li, YP; Liu, YN; Yang, M; Yao, XC; Yin, YM; Yuan, M; Zhu, JB1
Ahluwalia, N; Pao, CI; Pfeiffer, CM; Rybak, ME; Sternberg, MR1
Adehin, A; Bolaji, OO1
Fan, Y; Gao, F; Ma, X; Qian, L; Wang, W; Yan, B; Yang, J; Zhao, B1
Kertys, M; Kmeťová, K; Maráková, K; Mokrý, J; Pršo, K; Žideková, N1
Aoyama, K; Bhadhprasit, W; Kinoshita, C; Matsumura, N; Nakaki, T1
Aoyama, K; Matsumura, N1

Reviews

1 review(s) available for 1,7-dimethylxanthine and uric acid

ArticleYear
Glutathione-Mediated Neuroprotective Effect of Purine Derivatives.
    International journal of molecular sciences, 2023, Aug-22, Volume: 24, Issue:17

    Topics: Adenosine A2 Receptor Antagonists; Alzheimer Disease; Brain; Caffeine; Cysteine; Excitatory Amino Acid Transporter 3; Glutathione; Humans; Neuroprotection; Neuroprotective Agents; Parkinson Disease; Purines; Receptor, Adenosine A2A; Theophylline; Uric Acid

2023

Trials

2 trial(s) available for 1,7-dimethylxanthine and uric acid

ArticleYear
Urinary biomarkers for assessing dietary exposure to caffeine.
    Food additives and contaminants, 2001, Volume: 18, Issue:12

    Topics: Adult; Arylamine N-Acetyltransferase; Biomarkers; Caffeine; Cytochrome P-450 CYP1A2; Diet; Female; Humans; Liver; Male; Middle Aged; Phenotype; Theophylline; Time Factors; Uric Acid; Xanthines

2001
Cytochrome P450 2A6 phenotyping based on dietary caffeine intake in a Japanese population of non-smokers.
    Drug metabolism letters, 2012, Jun-01, Volume: 6, Issue:2

    Topics: Adult; Aryl Hydrocarbon Hydroxylases; Caffeine; Cytochrome P-450 CYP2A6; Female; Gene Deletion; Genotype; Humans; Japan; Male; Phenotype; Pilot Projects; Theophylline; Uric Acid; Xanthines; Young Adult

2012

Other Studies

29 other study(ies) available for 1,7-dimethylxanthine and uric acid

ArticleYear
Inhibition of CTP synthase from Escherichia coli by xanthines and uric acids.
    Bioorganic & medicinal chemistry letters, 2010, Jan-01, Volume: 20, Issue:1

    Topics: Carbon-Nitrogen Ligases; Enzyme Inhibitors; Escherichia coli; Kinetics; Methylation; Structure-Activity Relationship; Uric Acid; Xanthines

2010
Theophylline metabolism affected by mexiletine.
    Clinical pharmacology and therapeutics, 1992, Volume: 52, Issue:1

    Topics: Adult; Caffeine; Humans; Male; Mexiletine; Theophylline; Uric Acid; Xanthines

1992
Mexiletine effects on theophylline disposition.
    Clinical pharmacology and therapeutics, 1991, Volume: 50, Issue:3

    Topics: Adult; Delayed-Action Preparations; Drug Interactions; Humans; Male; Mexiletine; Theophylline; Uric Acid

1991
Human N-acetylation genotype determination with urinary caffeine metabolites.
    Clinical pharmacology and therapeutics, 1990, Volume: 47, Issue:4

    Topics: Acetylation; Caffeine; Chromatography, High Pressure Liquid; Gene Frequency; Genetics, Population; Genotype; Humans; Nitrogen; Pedigree; Phenotype; Theophylline; Time Factors; Uracil; Uric Acid; Xanthines

1990
Excretion and metabolism of a series of xanthines by the turtle Pseudemys scripta elegans.
    The veterinary quarterly, 1989, Volume: 11, Issue:1

    Topics: Animals; Caffeine; Theobromine; Theophylline; Turtles; Uric Acid; Xanthine; Xanthines

1989
Urinary metabolites of caffeine in pregnant women.
    British journal of clinical pharmacology, 1986, Volume: 22, Issue:4

    Topics: Caffeine; Female; Humans; Pregnancy; Theophylline; Uric Acid; Xanthines

1986
Urinary excretion of an uracilic metabolite from caffeine by rat, monkey and man.
    Toxicology letters, 1981, Volume: 7, Issue:3

    Topics: Adult; Animals; Biotransformation; Caffeine; Humans; Macaca fascicularis; Male; Rats; Species Specificity; Theobromine; Theophylline; Uracil; Uric Acid; Xanthines

1981
Segregation analyses of four urinary caffeine metabolite ratios implicated in the determination of human acetylation phenotypes.
    Genetic epidemiology, 1994, Volume: 11, Issue:2

    Topics: Acetylation; Adolescent; Adult; Alleles; Arylamine N-Acetyltransferase; Caffeine; Child; Chromatography, High Pressure Liquid; Family; Female; Gene Frequency; Genes, Recessive; Humans; Male; Middle Aged; Models, Genetic; Models, Statistical; Phenotype; Polymorphism, Genetic; Theophylline; Uracil; Uric Acid; Xanthines

1994
Accelerated caffeine metabolism after omeprazole treatment is indicated by urinary metabolite ratios: coincidence with plasma clearance and breath test.
    Clinical pharmacology and therapeutics, 1994, Volume: 55, Issue:4

    Topics: Adolescent; Adult; Aged; Aged, 80 and over; Breath Tests; Caffeine; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP1A2; Cytochrome P-450 Enzyme System; Enzyme Induction; Female; Humans; Male; Mephenytoin; Middle Aged; Omeprazole; Oxidoreductases, N-Demethylating; Phenotype; Theophylline; Uric Acid

1994
Caffeine metabolism by human hepatic cytochromes P450: contributions of 1A2, 2E1 and 3A isoforms.
    Biochemical pharmacology, 1994, May-18, Volume: 47, Issue:10

    Topics: Caffeine; Cytochrome P-450 CYP1A2; Cytochrome P-450 Enzyme System; Humans; Isoenzymes; Microsomes, Liver; Oxidoreductases; Theobromine; Theophylline; Uric Acid

1994
Cytochrome P4501A2: enzyme induction and genetic control in determining 4-aminobiphenyl-hemoglobin adduct levels.
    Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 1996, Volume: 5, Issue:9

    Topics: Age Factors; Alcohol Drinking; Aminobiphenyl Compounds; Arylamine N-Acetyltransferase; Caffeine; Carcinogens; Coffee; Cytochrome P-450 CYP1A2; DNA Adducts; Drinking; Enzyme Induction; Glutathione Transferase; Hemoglobins; Humans; Male; Meat; Middle Aged; Nicotiana; Oxidation-Reduction; Phenotype; Plants, Toxic; Polymorphism, Genetic; Risk Factors; Smoking; Theophylline; Uric Acid; Urinary Bladder Neoplasms

1996
Isotopic effects on retention times of caffeine and its metabolites 1,3,7-trimethyluric acid, theophylline, theobromine and paraxanthine.
    Journal of chromatography. B, Biomedical sciences and applications, 1997, Jan-24, Volume: 688, Issue:2

    Topics: Animals; Caffeine; Deuterium; Gas Chromatography-Mass Spectrometry; Isotope Labeling; Kidney; Male; Rats; Rats, Wistar; Theobromine; Theophylline; Uric Acid

1997
Determination of caffeine and its metabolites by micellar electrokinetic capillary electrophoresis.
    Journal of chromatography. B, Biomedical sciences and applications, 1997, Jan-24, Volume: 688, Issue:2

    Topics: Animals; Beverages; Buffers; Caffeine; Electrophoresis, Capillary; Hydrogen-Ion Concentration; Rats; Sodium Dodecyl Sulfate; Tablets; Theobromine; Theophylline; Uric Acid

1997
Five caffeine metabolite ratios to measure tobacco-induced CYP1A2 activity and their relationships with urinary mutagenicity and urine flow.
    Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 1999, Volume: 8, Issue:2

    Topics: Adolescent; Adult; Caffeine; Central Nervous System Stimulants; Cytochrome P-450 CYP1A2; Environmental Exposure; Female; Follow-Up Studies; Humans; Male; Middle Aged; Mutagens; Rheology; Smoking; Theophylline; Time Factors; Uracil; Uric Acid; Urination; Xanthines

1999
[Determination of caffeine metabolite for the evaluation of N-acetyltransferase, CYP1A2 and xanthine oxidase activities].
    Yao xue xue bao = Acta pharmaceutica Sinica, 1997, Volume: 32, Issue:11

    Topics: Adolescent; Adult; Aged; Arylamine N-Acetyltransferase; Caffeine; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP1A2; Female; Humans; Male; Middle Aged; Theophylline; Uracil; Uric Acid; Xanthine Oxidase; Xanthines

1997
[HPLC determination of five caffeine metabolites].
    Yao xue xue bao = Acta pharmaceutica Sinica, 1997, Volume: 32, Issue:8

    Topics: Caffeine; Chromatography, High Pressure Liquid; Humans; Theophylline; Uracil; Uric Acid; Xanthines

1997
CYP2A6 activity determined by caffeine phenotyping: association with colorectal cancer risk.
    Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 2002, Volume: 11, Issue:4

    Topics: Adult; Aged; Aryl Hydrocarbon Hydroxylases; Biomarkers; Caffeine; Case-Control Studies; Central Nervous System Stimulants; Colorectal Neoplasms; Cytochrome P-450 CYP2A6; Cytochrome P-450 Enzyme System; Female; Humans; Male; Middle Aged; Mixed Function Oxygenases; Phenotype; Risk Factors; Theophylline; Uric Acid

2002
Severe 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) intoxication: insights into the measurement of hepatic cytochrome P450 1A2 induction.
    Clinical pharmacology and therapeutics, 2002, Volume: 72, Issue:2

    Topics: Adult; Breath Tests; Caffeine; Case-Control Studies; Cytochrome P-450 CYP1A2; Environmental Pollutants; Enzyme Induction; Female; Humans; Liver; Male; Methylation; Polychlorinated Dibenzodioxins; Smoking; Teratogens; Theophylline; Uracil; Uric Acid; Xanthines

2002
[Determination of the activity of cytochrome P-450 CYP2A6 by HPLC method with caffeine as metabolizing probe].
    Yao xue xue bao = Acta pharmaceutica Sinica, 2006, Volume: 41, Issue:3

    Topics: Adult; Aryl Hydrocarbon Hydroxylases; Caffeine; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP2A6; Female; Humans; Male; Mixed Function Oxygenases; Theophylline; Uracil; Uric Acid; Xanthines

2006
In vivo evaluation of CYP1A2, CYP2A6, NAT-2 and xanthine oxidase activities in a Greek population sample by the RP-HPLC monitoring of caffeine metabolic ratios.
    Biomedical chromatography : BMC, 2007, Volume: 21, Issue:2

    Topics: Adult; Aryl Hydrocarbon Hydroxylases; Arylamine N-Acetyltransferase; Caffeine; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2A6; Female; Humans; Male; Middle Aged; Mixed Function Oxygenases; Reproducibility of Results; Sensitivity and Specificity; Smoking; Theophylline; Uracil; Uric Acid; Xanthine Oxidase; Xanthines

2007
Growth hormone does not alter CYP2A6 activity in growth hormone-deficient children.
    Basic & clinical pharmacology & toxicology, 2008, Volume: 102, Issue:1

    Topics: Adolescent; Aryl Hydrocarbon Hydroxylases; Caffeine; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP2A6; Female; Genotype; Growth Disorders; Human Growth Hormone; Humans; Injections, Subcutaneous; Male; Mixed Function Oxygenases; Recombinant Proteins; Theophylline; Uric Acid

2008
CYP2A6 activity in a healthy Spanish population: effect of age, sex, smoking, and oral contraceptives.
    Human & experimental toxicology, 2008, Volume: 27, Issue:5

    Topics: Adolescent; Adult; Age Factors; Aryl Hydrocarbon Hydroxylases; Biomarkers; Caffeine; Contraceptives, Oral; Cytochrome P-450 CYP2A6; Female; Humans; Male; Middle Aged; Phenotype; Risk Factors; Sex Factors; Smoking; Spain; Theophylline; Uric Acid

2008
Two distinct pathways for metabolism of theophylline and caffeine are coexpressed in Pseudomonas putida CBB5.
    Journal of bacteriology, 2009, Volume: 191, Issue:14

    Topics: Caffeine; Gene Expression; Metabolic Networks and Pathways; Pseudomonas putida; Theobromine; Theophylline; Uric Acid; Xanthine; Xanthines

2009
[Effect of Tibetan medicine zuotai on the activity, protein and mRNA expression of CYP1A2 and NAT2].
    Yao xue xue bao = Acta pharmaceutica Sinica, 2014, Volume: 49, Issue:2

    Topics: Administration, Oral; Animals; Arylamine N-Acetyltransferase; Caffeine; Cytochrome P-450 CYP1A2; Dose-Response Relationship, Drug; Drugs, Chinese Herbal; Female; Male; Medicine, Tibetan Traditional; Rats; Rats, Sprague-Dawley; RNA, Messenger; Theophylline; Uracil; Uric Acid; Xanthines

2014
Urine excretion of caffeine and select caffeine metabolites is common in the U.S. population and associated with caffeine intake.
    The Journal of nutrition, 2015, Volume: 145, Issue:4

    Topics: Adolescent; Adult; Biomarkers; Black or African American; Caffeine; Child; Chromatography, Liquid; Cross-Sectional Studies; Female; Hispanic or Latino; Humans; Male; Middle Aged; Nutrition Surveys; Tandem Mass Spectrometry; Theophylline; Uracil; Uric Acid; White People; Xanthines; Young Adult

2015
Polymorphisms of CYP1A2 and CYP2A6 activity: phenotypes and the effect of age and sex in a Nigerian population.
    Drug metabolism and personalized therapy, 2015, Volume: 30, Issue:3

    Topics: Adolescent; Adult; Age Factors; Algorithms; Biomarkers; Biotransformation; Caffeine; Coffee; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2A6; Female; Food, Preserved; Humans; Male; Nigeria; Sex Characteristics; Theophylline; Uric Acid; Young Adult

2015
Genetically Determined Levels of Serum Metabolites and Risk of Neuroticism: A Mendelian Randomization Study.
    The international journal of neuropsychopharmacology, 2021, 01-20, Volume: 24, Issue:1

    Topics: Adult; Genome-Wide Association Study; Humans; Mendelian Randomization Analysis; Metabolome; Neuroticism; Polymorphism, Single Nucleotide; Theophylline; Uric Acid

2021
Simultaneous determination of caffeine and its metabolites in rat plasma by UHPLC-MS/MS.
    Journal of separation science, 2021, Volume: 44, Issue:23

    Topics: Animals; Caffeine; Chromatography, High Pressure Liquid; Male; Rats; Rats, Wistar; Tandem Mass Spectrometry; Theobromine; Theophylline; Uric Acid

2021
A purine derivative, paraxanthine, promotes cysteine uptake for glutathione synthesis.
    Journal of pharmacological sciences, 2023, Volume: 151, Issue:1

    Topics: Animals; Caffeine; Cysteine; Glutathione; HEK293 Cells; Humans; Hydrogen Peroxide; Mice; Neuroblastoma; Theophylline; Uric Acid

2023