Title: Plant polyphenol curcumin significantly affects CYP1A2 and CYP2A6 activity in healthy, male Chinese volunteers.
Journal: The Annals of pharmacotherapy 20100601
Title: Inhibition of CTP synthase from Escherichia coli by xanthines and uric acids.
Journal: Bioorganic & medicinal chemistry letters 20100101
Title: Simultaneous action of the flavonoid quercetin on cytochrome P450 (CYP) 1A2, CYP2A6, N-acetyltransferase and xanthine oxidase activity in healthy volunteers.
Journal: Clinical and experimental pharmacology & physiology 20090801
Title: CYP2A6 activity in a healthy Spanish population: effect of age, sex, smoking, and oral contraceptives.
Journal: Human & experimental toxicology 20080501
Title: Growth hormone does not alter CYP2A6 activity in growth hormone-deficient children.
Journal: Basic & clinical pharmacology & toxicology 20080101
Title: Concordance between the deduced acetylation status generated by high-speed: real-time PCR based NAT2 genotyping of seven single nucleotide polymorphisms and human NAT2 phenotypes determined by a caffeine assay.
Journal: Clinica chimica acta; international journal of clinical chemistry 20070201
Title: 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.
Journal: Biomedical chromatography : BMC 20070201
Title: Soluble neuroprotective antioxidant uric acid analogs ameliorate ischemic brain injury in mice.
Journal: Neuromolecular medicine 20070101
Title: Caffeine N3-demethylation (CYP1A2) in a population with an increased exposure to polychlorinated biphenyls.
Journal: European journal of clinical pharmacology 20061201
Title: [Determination of the activity of cytochrome P-450 CYP2A6 by HPLC method with caffeine as metabolizing probe].
Journal: Yao xue xue bao = Acta pharmaceutica Sinica 20060301
Title: Measurement of caffeine and five of the major metabolites in urine by high-performance liquid chromatography/tandem mass spectrometry.
Journal: Journal of mass spectrometry : JMS 20050301
Title: Separation, pre-concentration, and HPLC analysis of methylxanthines in urine samples.
Journal: Journal of separation science 20041001
Title: Catabolism of caffeine in plants and microorganisms.
Journal: Frontiers in bioscience : a journal and virtual library 20040501
Title: Cytochrome P450 1A2 (CYP1A2) activity, mammographic density, and oxidative stress: a cross-sectional study.
Journal: Breast cancer research : BCR 20040101
Title: Interaction of ibuprofen and probenecid with drug metabolizing enzyme phenotyping procedures using caffeine as the probe drug.
Journal: British journal of clinical pharmacology 20030201
Title: Novel markers of susceptibility to carcinogens in diet: associations with colorectal cancer.
Journal: Toxicology 20021227
Title: Severe 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) intoxication: insights into the measurement of hepatic cytochrome P450 1A2 induction.
Journal: Clinical pharmacology and therapeutics 20020801
Title: A population phenotyping study of three drug-metabolizing enzymes in Kyushu, Japan, with use of the caffeine test.
Journal: Clinical pharmacology and therapeutics 20020801
Title: CYP2A6 activity determined by caffeine phenotyping: association with colorectal cancer risk.
Journal: Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20020401
Title: Urinary biomarkers for assessing dietary exposure to caffeine.
Journal: Food additives and contaminants 20011201
Title: Use of novel solid-phase extraction sorbent materials for high-performance liquid chromatography quantitation of caffeine metabolism products methylxanthines and methyluric acids in samples of biological origin.
Journal: Journal of chromatography. B, Biomedical sciences and applications 20010815
Title: The effect of pregnancy on cytochrome P4501A2, xanthine oxidase, and N-acetyltransferase activities in humans.
Journal: Clinical pharmacology and therapeutics 20010801
Title: Extractionless method for the simultaneous high-performance liquid chromatographic determination of urinary caffeine metabolites for N-acetyltransferase 2, cytochrome P450 1A2 and xanthine oxidase activity assessment.
Journal: Journal of chromatography. B, Biomedical sciences and applications 20010505
Title: Caffeine metabolism before and after liver transplantation.
Journal: International journal of clinical pharmacology and therapeutics 20010201
Title: Caffeine metabolism in a group of 67 patients with primary biliary cirrhosis.
Journal: International journal of clinical pharmacology and therapeutics 20010101
