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KMID : 0613820100200050799
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Journal of Life Science
2010 Volume.20 No. 5 p.799 ~ p.804
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Association Study between Genetic Polymorphisms of CYP2C19 Gene and Essential Hypertension in Koreans
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Park Ah-Ram
Shin Eun-Soon
Son Nak-Hoon
Jang Yang-Soo
Shin Dong-Jik
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Abstract
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In humans, CYP2C19, a member of the cytochrome P450 subfamily, metabolizes arachidonic acid to produce epoxyicosanoid acids, which are involved in vascular tone and regulation of blood pressure (BP). Recent findings suggest that CYP2C19 gene polymorphisms might be considered as a novel candidate gene for cardiovascular disease. We thus focused on the Korean population to explore the association of two polymorphisms (CYP2C19*2 and *3) in this gene and essential hypertension (EH). A total of 1,241 participants (537 hypertensive subjects and 704 healthy controls) were recruited from the Yonsei Cardiovascular Genome Center in Korea. The CYP2C19 polymorphisms were genotyped using the SNaPShot™ assay. The allele and genotype frequencies of CYP2C19*3 showed significant difference between hypertensives and normotensives (P=0.019 and P=0.023, respectively). Logistic regression analysis indicated that the CYP2C19*3 A allele carriers were significantly associated with EH (OR, 0.723; 95% CI, 0.538-0.972, P=0.032) under a dominant model. In addition, CYP2C19 G-A haplotype (2C19*2 G-*3 A combination) was found to significantly reduce EH risk (OR, 0.714, P=0.015). We believe this provides evidence that CYP2C19*3 polymorphism may contribute to a protective effect in the development of EH.
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KEYWORD
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Hypertension, CYP2C19, polymorphism, haplotype, association
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