Drug metabolism and disposition: the biological fate of chemicals, 34(9), 1563-1574 (2006-06-20)
Considerable unexplained intersubject variability in the debrisoquine metabolic ratio (urinary debrisoquine/4-hydroxydebrisoquine) exists within individual CYP2D6 genotypes. We speculated that debrisoquine was converted to as yet undisclosed metabolites. Thirteen healthy young volunteers, nine CYP2D6*1 homozygotes [extensive metabolizers (EMs)] and four CYP2D6*4
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 4(1), 41-48 (1995-01-01)
Previous reports of the association between the debrisoquine metabolic polymorphism and lung cancer risk have been conflicting. We examined the hypothesis that the genetically determined ability to metabolize debrisoquine identifies individuals at increased risk for lung cancer in a study
Using capillary zone electrophoresis with a phosphate buffer at pH 2.5 containing 50 mM heptakis-(2,3,6-tri-O-methyl)-beta-CD as chiral selector, the separation of the enantiomers of the main metabolite of debrisoquine (DEB), 4-hydroxydebrisoquine (4-OHDEB), is reported. For extraction of underivatized urinary DEB
Clinical pharmacology and therapeutics, 55(4), 399-401 (1994-04-01)
Debrisoquin hydroxylation polymorphism was studied in 326 unrelated healthy Turkish volunteers. Debrisoquin sulfate (10 mg) was administered to subjects, and debrisoquin and 4-hydroxydebrisoquin were determined in the 0- to 8-hour urine samples. Debrisoquin oxidation was polymorphic, with 11 subjects (3.37%;
British journal of clinical pharmacology, 45(3), 315-317 (2000-07-15)
To determine the effect of therapeutic loading doses of halofantrine and chloroquine on CYP2D6 activity in healthy black Zambians. Twenty healthy black male Zambians were phenotyped for CYP2D6 activity by measuring the debrisoquine/4-hydroxydebrisoquine ratio in a 0-8 h urine sample
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