alexa Novel detection assay by PCR-RFLP and frequency of the CYP3A5 SNPs, CYP3A5*3 and *6, in a Japanese population.


Journal of Clinical & Experimental Dermatology Research

Author(s): Fukuen S, Fukuda T, Maune H, Ikenaga Y, Yamamoto I,

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Abstract In this study, we established useful and reliable methods for the direct detection of the variants of CYP3A5 gene by polymerase chain reaction (PCR) and DdeI restriction analysis. The frequency of CYP3A5 related SNPs in 200 healthy Japanese male subjects was determined. The homozygous wild-type (*1/*1) frequency was 7.0\% (14/200), the heterozygous (*1/*3) frequency was 32.5\% (65/200) and the homozygous mutant-type (*3/*3) frequency was 60.5\% (121/200). The *6 allele was not detected in any of the Japanese individuals. This result suggests that an estimated 40\% of the Japanese express relatively high levels of metabolically active CYP3A5 protein. The proposed detection assays are useful for screening the CYP3A5 related SNPs in pharmacogenetic research.
This article was published in Pharmacogenetics and referenced in Journal of Clinical & Experimental Dermatology Research

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