Correlation between single nucleotide polymorphisms of NADPH oxidase p22phox gene and ischemic stroke in Shanghai Han population
Chinese Journal of Contemporary Neurology and Neurosurgery(2015)
Abstract
Objective This paper aims to investigate the distribution of genotypes and alleles of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase p22phox -930A/G, 242C/T and -675A/T, so as to evaluate the association between three single-nucleotide polymorphisms (SNPs) and risk of atherosclerotic ischemic stroke in permanent resident population of Han nationality living in Shanghai area. Methods The genotypes and allele frequencies of NADPH oxidase p22phox subunit -930A/G, 242C/T and -675A/T were detected by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis in 205 patients with ischemic stroke and 136 healthy controls. Results In patients with ischemic stroke, the results of PCR-RFLP in variant genetic loci were different. For -930A/G, one band appeared at 268 bp of genotype AA ; 2 bands appeared at 197 and 71 bp of genotype GG ; 3 bands appeared at 268, 197 and 71 bp of genotype AG . For 242C/T, one band appeared at 348 bp of genotype CC ; 2 bands appeared at 188 and 160 bp of genotype TT ; 3 bands appeared at 348, 188 and 160 bp of genotype CT . For -675A/T, 2 bands appeared at 158 and 54 bp of genotype TT ; 3 bands appeared at 212, 158 and 54 bp of genotype AT . The genotypes and allele frequency of all three SNPs of NADPH oxidase p22phox gene had no significant difference between ischemic stroke patients and healthy controls ( P > 0.05). Conclusions The genetic polymorphism of NADPH oxidase p22phox gene -930A/G, 242C/T and -675A/T might have no association with ischemic stroke. DOI: 10.3969/j.issn.1672-6731.2015.09.011
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