• 1. West China Medical School, Sichuan University, Chengdu 610041, China;2. Department of Urology, West China Hospital, Sichuan University, Chengdu 610041, China;
LIAO Banghua, Email: ldavid2004@gmail.com
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Objective  To comprehensively evaluate the association between TNF-α gene −308 G/A polymorphism and the risk of prostate cancer.
Methods  A meta-analysis was performed to analyze the association between −308 G/A polymorphism and the risk of prostate cancer risk.
Results  A total of 11 case-control studies (4 919 cases and 5 210 controls) were included in this meta-analysis. The result showed no statistically significant differences in all genotype distribution between prostate cancer cases and controls: dominant model (OR=1.11, 95%CI 0.90 to 1.36, P=0.33), recessive model (OR=0.91, 95%CI 0.70 to 1.18, P=0.47), GA versus GG (OR=1.11, 95%CI 0.90 to 1.37, P=0.33), AA versus GG (OR=0.92, 95%CI 0.71 to 1.20, P=0.55), A versus G (OR=1.07, 95%CI 0.91 to 1.26, P=0.39). In the subgroup analysis by ethnicity, no statistically differences were found between prostate cancer cases and controls.
Conclusion  This results of meta-analysis suggests that TNF-α gene –308G/A polymorphism may not be a risk factor of prostate cancer. Due to the limited quantity of the includied studies, further studies are needed to validate the above conclusion.

Citation: WANG Mangyuan,HAN Zhenwei,LIU Jiaming,LIAO Banghua. TNF-α Gene –308 G/A Polymorphism and the Risk of Prostate Cancer: A Meta-Analysis. Chinese Journal of Evidence-Based Medicine, 2012, 12(8): 1030-1034. doi: 10.7507/1672-2531.20120160 Copy

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