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Research Article Open Access
We explored the association of angiotensinogen (AGT) M235T, β2 adrenergic receptor (β2-AR) Arg16Gly and aldosterone synthase (CYP11B2) C-344T genes polymorphisms with essential hypertension (EH) in Han population living at high altitude in China. A total of 390 hypertensive subjects (males, 207; females, 183) and 424 normal healthy individuals (males, 251; females, 173) were enrolled in this study based on the inclusion and exclusion criteria. The polymorphisms of AGT M235T, β2-AR Arg16Gly, CYP11B2 C-344T genes were analyzed by Snapshot mini sequencing method. The frequencies of CC genotype and C allele of AGT M235T in EH group were higher than in control (p<0.05), gender wise analysis revealed that the genotype and allele patterns between patients and controls were found to be significantly different (p<0.05). However, genotype and allele frequencies of the distribution of β2-AR Arg16Gly and CYP11B2 C-344T between EH patients and normotensive controls were not significantly different (p>0.05, respectively), in gender-specific analysis, the differences were also not found (p>0.05, respectively). This finding suggests that the polymorphism of AGT M235T was correlated with EH in Han population living at high altitude in China, however, β2-AR Arg16Gly and CYP11B2 C-344T polymorphism were unlikely to associated with hypertensive subjects of this population.
AGT M235T, Î²2-AR Arg16Gly, CYP11B2 C-344T, Polymorphism, Essential hypertension, Han population, Hypertension