Abstract
The association between the rs7003908 (T>G) polymorphism in the XRCC7 gene and the risk of cancers had been widely studied; however, the results were inconsistent. The objective of the current study was to investigate the association between the rs7003908 polymorphism in the XRCC7 gene and the risk of cancers by meta-analysis. We searched PubMed, EMbase, CNKI and Wanfang databases; the last search was performed on January 10th, 2014. Statistical analysis was performed using the Revman4.2 and STATA10.0 softwares. A total of 3,684 cancer cases and 5,232 controls from 11 case–control studies were included for data analysis. In the dominant model analysis, the results suggested a lack of association between the polymorphism and the risk of cancers: OR 1.01, 95 % CI 0.83–1.16, P = 0.70. In the subgroup analysis by ethnicity, no significant association was found either for Asians or Caucasians. In the subgroup analysis by cancer types, significant association was found for prostate cancer, but not for bladder cancer, breast cancer and glioma. In summary, the current meta-analysis confirmed that the rs7003908 polymorphism in the XRCC7 gene might be a risk factor for prostate cancer. In the future, more studies are needed to validate these results.
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This study is support by the Applied Basic Research Projects of Sichuan Province (2013JY0032).
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Xiao, M., Shen, Y., Chen, L. et al. The rs7003908 (T>G) polymorphism in the XRCC7 gene and the risk of cancers. Mol Biol Rep 41, 3577–3582 (2014). https://doi.org/10.1007/s11033-014-3220-8
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DOI: https://doi.org/10.1007/s11033-014-3220-8