Abstract
The aim of the present study was to establish the gene frequency of six polymorphisms of the ABCB1, CYP3A5, CYP2C19, and P2RY12 genes in a population resident of Mexico City. The proteins encoded by these genes have been associated with the absorption, and biotransformation of clopidogrel. The ABCB1 T3435C, CYP3A5 V3 A6986G, P2RY12 G52T, P2RY12 C34T, CYP2C19 V2 and V3 (positions G681A and G636A, respectively), polymorphisms were analyzed by 5' exonuclease TaqMan genotyping assays in a group of 269 healthy unrelated Mexican Mestizo individuals. The CYP2C19 V3 G636A polymorphism was not detected in the Mexican Mestizos population. However, the studied population presented significant differences (P < 0.05) in the distribution of the T3435C, A6986G, G681A, G52T and C34T polymorphisms when compared to reported frequencies of Amerindian of South America, Caucasian, Asian, and African populations. In summary, the distribution of the ABCB1, CYP3A5, CYP2C19, and P2RY12 gene polymorphisms distinguishes to the Mexican Mestizos population from other ethnic groups.
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