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  • Title: [Relationship between aldosterone synthase gene (CYP11B2) polymorphisms and essential hypertension in a northern Chinese Han population].
    Author: Niu WQ, Wang JB, Li SJ, Zhou WY, Zhao JB, Qiu CC.
    Journal: Zhongguo Yi Xue Ke Xue Yuan Xue Bao; 2007 Jun; 29(3):329-35. PubMed ID: 17633457.
    Abstract:
    OBJECTIVE: To explore the relationship between genetic polymorphisms of C-344T in the promoter region and K173R in the exon 3 of aldosterone synthase gene (CYP11B2) and the incidence of essential hypertension in a northern Chinese Han population. METHODS: We conducted a case-control study including 182 hypertensive patients and 189 healthy controls in Harbin newspaper office and assayed the genotypes of C-344T and K173R using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and direct sequencing technology. RESULTS: The distributions of C-344T and K173R genotype frequencies in men and women were in accordance with the Hardy-Weinberg equilibrium. The differences of C-344T allele and genotype as well as K173R allele frequency distributions between hypertensive patients and healthy controls were not statistically significant in men and women and pooled population (P > or = 0.05). The difference of K173R genotype frequency distribution reached borderline significance (P = 0.0500) and was more pronounced in women (P = 0.0038) according to the dominant mode of inheritance. Moreover, the magnitude of this mode of inheritance was more remarkable after the confounding factors were adjusted. K173R statistically correlated with the systolic hypertension in women. CONCLUSION: The CYP11B2 K173R polymorphism correlates with the susceptibility of essential hypertension in the northern Chinese Han population.
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