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Назив: Comparisons of CYP2A6 genotype and enzyme activity between Swedes and Koreans
Аутори: Djordjevic, Natasa
CARRILLO, JUAN ANTONIO
Van Den Broek M.
Kishikawa J.
Roh H.
Bertilsson L.
Aklillu E.
Датум издавања: 2013
Сажетак: The aim was to compare cytochrome P450 2A6 (CYP2A6) genotype and enzyme activity between Swedes and Koreans, and to investigate the influence of genotype, sex, age, cigarette smoking and oral contraceptive (OC) use on enzyme activity. The study involved 190 Swedes and 144 Koreans. Genotyping for CYP2A6*1B, *1 × 2, *4, *5, *7, *8, *9, *10, *18 and *19 alleles was done. Using caffeine as a probe, in vivo CYP2A6 activity was estimated by the 17U/17X urinary ratio. Multiple regression analysis indicated ethnicity (p = 0.0001) and CYP2A6 genotype (p = 0.006), but not sex, age, cigarette smoking or OC use as predictors of CYP2A6 activity. There were significant differences in CYP2A6 genotype distribution and enzyme activity between Swedes and Koreans. Functional CYP2A6 alleles and rapid genotypes were more frequent in Swedes, whereas the defective alleles and slow genotypes were more frequent in Koreans (p ≤ 0.0001). Distribution of log 17U/17X was bimodal in Koreans but unimodal in Swedes with a common antimode at 0.01, classifying 3.16% of Swedes and 18.75% of Koreans as slow metabolizers. CYP2A6 activity was higher in Swedes compared to Koreans (p < 0.0001), even among carriers of rapid genotypes. We report major differences in CYP2A6 enzyme activity between Swedes and Koreans mainly due to CYP2A6 genetic variation but not exclusively. © 2013 by the Japanese Society for the Study of Xenobiotics (JSSX).
URI: https://scidar.kg.ac.rs/handle/123456789/10444
Тип: article
DOI: 10.2133/dmpk.DMPK-12-RG-029
ISSN: 1347-4367
SCOPUS: 2-s2.0-84876756005
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac

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