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    Genetic factors have been demonstrated to play an important role in the pathology of ischemic stroke (IS). This study was conducted to explore the association between CYP2B6 polymorphisms and IS risk in a Chinese Han population. Four single-nucleotide polymorphisms (SNPs) in CYP2B6 from 477 cases and 495 controls were genotyped using the Agena MassARRAY. The odds ratio (OR) and 95% confidence interval (CI) were calculated under genetic models and haplotype analysis to assess the association between SNPs and IS risk. We found that rs2099361 was associated with an increased IS risk (CC vs. AA: overall: OR = 1.85, 95% CI: 1.16-2.93, P = 0.010; age ≤ 60: OR = 1.94, 95% CI: 1.02-3.70, P = 0.045; male: OR = 2.17, 95% CI: 1.22-3.86, P = 0.009). The GT genotype of rs4803420 was associated with a reduced IS risk (OR = 0.74, 95% CI: 0.57-0.98, P = 0.036); the GG genotype was associated with an increased IS risk in women (OR = 2.31, 95% CI: 1.00-5.31, P = 0.049). The rs1038376 polymorphism was associated with reduced IS risk for age ≤ 60 years (AT vs. TT: OR = 0.63, 95% CI: 0.40-0.99, P = 0.046). Interestingly, there were significant differences in some clinical indicator levels between case and control groups, and genotypes of SNPs. Our results indicated that CYP2B6 polymorphisms (rs2099361, rs4803420, and rs1038376) were associated with the risk of IS. Further studies are still needed to validate our findings with larger sample sizes.

    Citation

    Guolong Tu, Wenliang Zhan, Yao Sun, Jiamin Wu, Zichao Xiong, Jianfeng Liu, Yuanwei Liu, Haiyue Li, Ying Xia. CYP2B6 Polymorphisms Are Associated with Ischemic Stroke Risk in a Chinese Han Population. Journal of molecular neuroscience : MN. 2020 Jul;70(7):1130-1139

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    PMID: 32307645

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