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KMID : 0603820090150010031
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Journal of Experimental & Biomedical Science
2009 Volume.15 No. 1 p.31 ~ p.35
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CACNA1A Gene Polymorphism is Associated with Hypertension in Korean Population
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Kim Hye-Kyung
Leem Kang-Hyun
Lee Se-Na
Hong Mee-Sook
Jung Kyung-Hee
Kim Su-Kang
Kang Sung-Wook
Chung Joo-Ho
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Abstract
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High blood pressure (BP) is the most frequent risk factor among metabolic syndrome components. The control of hypertension is very important to prevent the cardiovascular risk in metabolic syndrome. The dysfunction of calcium channel is responsible in the regulation of the vascular muscle contribution to hypertension. Calcium channel, voltagedependent, P/Q type, alpha-1A subunit (CACNA1A) gene is located in brain and known to control the intracranial hypertension. In this study, we investigate whether the polymorphisms of CACNA1A gene is associated with hypertension. The 49 CACNA1A genotypes were determined using the Affymetrix Genotyping chip array in 92 hypertension and 279 control individuals from a Korean population. Logistic and multiple regression models were employed to analyze the genetic contributions of polymorphisms. Out of 49 polymorphisms, six SNPs (rs12611029, rs16035, rs7259944, rs10419472, rs17777900, and rs4926294) showed a significant association with hypertension in three alternative models (codominant, dominant, and recessive models; P＜0.05 after adjusting for age and sex). Our results suggest that the CACNA1A gene may be associated with hypertension in the Korean population.
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KEYWORD
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CACNA1A, Calcium channel, Polymorphism, Hypertension, Metabolic syndrome
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