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Article

Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis

  • Authors:
    • Meiyun Wang
    • Xiubo Jiang
    • Wenlong Wu
    • Dongfeng Zhang
  • View Affiliations / Copyright

    Affiliations: Department of Public Health, Medical College of Qingdao University, Qingdao, Shandong 266021, P.R. China
  • Pages: 144-150
    |
    Published online on: October 16, 2012
       https://doi.org/10.3892/br.2012.23
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Abstract

Findings of a previous meta-analysis demonstrated no association between G894T polymorphism in endothelial nitric oxide synthase (eNOS) gene and ischemic stroke. Results of other studies have also been inconsistent. Updated meta‑analysis was performed to assess the association between the eNOS gene G894T (rs1799983) polymorphism and the risk of ischemic stroke. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) from fixed and random effects models were calculated. Heterogeneity in the studies was evaluated using the I2. Meta‑regression and the ‘leave‑one‑out’ sensitive analysis were used to examine the potential sources of between‑study heterogeneity. Publication bias was estimated using the Egger's test. Data were available for 6,607 cases and 6,947 controls from 22 studies. Studies deviating from the Hardy‑Weinberg equilibrium (HWE) in the controls and the key contributors to between‑study heterogeneity were excluded. Significant associations between eNOS gene G894T polymorphism and the risk of ischemic stroke were observed in the dominant (OR 1.249; 95% CI, 1.145‑1.361), the recessive (OR 1.255; 95% CI, 1.082‑1.456) and the codominant models (OR 1.195; 95% CI, 1.115‑1.281). Moreover, in the subgroup analysis based on the region (Asia and Europe), significant associations were observed between the dominant and codominant genetic models but not in the recessive model. The results of our meta‑analysis suggested that eNOS gene G894T polymorphism was associated with the increased risk of ischemic stroke, and that the T allele may be an important risk factor for ischemic stroke. However, further studies are required to confirm this result.
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Copy and paste a formatted citation
Spandidos Publications style
Wang M, Jiang X, Wu W and Zhang D: Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis. Biomed Rep 1: 144-150, 2013.
APA
Wang, M., Jiang, X., Wu, W., & Zhang, D. (2013). Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis. Biomedical Reports, 1, 144-150. https://doi.org/10.3892/br.2012.23
MLA
Wang, M., Jiang, X., Wu, W., Zhang, D."Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis". Biomedical Reports 1.1 (2013): 144-150.
Chicago
Wang, M., Jiang, X., Wu, W., Zhang, D."Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis". Biomedical Reports 1, no. 1 (2013): 144-150. https://doi.org/10.3892/br.2012.23
Copy and paste a formatted citation
x
Spandidos Publications style
Wang M, Jiang X, Wu W and Zhang D: Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis. Biomed Rep 1: 144-150, 2013.
APA
Wang, M., Jiang, X., Wu, W., & Zhang, D. (2013). Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis. Biomedical Reports, 1, 144-150. https://doi.org/10.3892/br.2012.23
MLA
Wang, M., Jiang, X., Wu, W., Zhang, D."Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis". Biomedical Reports 1.1 (2013): 144-150.
Chicago
Wang, M., Jiang, X., Wu, W., Zhang, D."Association of G894T polymorphism in endothelial nitric oxide synthase gene with the risk of ischemic stroke: A meta-analysis". Biomedical Reports 1, no. 1 (2013): 144-150. https://doi.org/10.3892/br.2012.23
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