Correlation between NADPH oxidase p22phox CYBA-A930G polymorphism and hypertensive cerebral hemorrhage in Chinese Han population in Shanghai area
2014
Objective To investigate the correlation between the NADPH oxidase p22phox-A930G polymorphism and hypertensive intracerebral hemorrhage in Chinese Han population in Shanghai area.Methods The patients with hypertensive intracerebral hemorrhage and normal controls were enrolled.The polymerase chain reaction and the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) were used to detect the genotypes and alleles of NADPH oxidase p22phox-A930G.Results A total of 128 patients with hypertensive intracerebral hemorrhage and 151 healthy controls were enrolled.The levels of systolic blood pressure,diastolic blood pressure,glucose,and triacylglycerol,as well as the proportions of smoking and alcohol consumption in patients of the hypertensive intracerebral hemorrhage group were significantly higher than those of the control group (all P< 0.05).There were significant differences in AA,AG,and GG genotypes (42.2%,44.5%,and 13.3% vs.63.6%,27.8%,and 8.6%,x2 =12.757,P =0.002) and in A and G allele (64.5% and 35.5% vs.77.5% and 22.5% ;x2 =8.734,P=0.001) frequencies between the hypertensive intracerebral hemorrhage group and the control group.Multivariatelogistic regression analysis showed that systolic blood pressure ≥ 140 mm Hg (1 mm Hg =0.133 kPa) (odds ratio [OR] 13.952,95% confidence interval [CI] 7.242-26.879; P < 0.001),apolipoprotein A ≥ 0.99 mmol/L (OR 3.139,95% CI 1.012-9.733; P =0.048),and AG +GG genotype (OR 2.333,95% CI 1.253-4.342; P=0.008) were the independent risk factors for hypertensive intracerebral hemorrhage.Conclusions Among the Chinese Han population in Shanghai area,the NADPH oxidase p22phox-A930G polymorphism is an independent risk factor for hypertensive intracerebral hemorrhage.
Key words:
Cerebral Hemorrhage; Hypertension; NADPH Oxidase; Polymorphism, Genetic; Reactive Oxygen Species; Risk Factors
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