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http://dx.doi.org/10.7314/APJCP.2012.13.9.4305

Association Between TP53 Arg72Pro Polymorphism and Hepatocellular Carcinoma Risk: A Meta-analysis  

Xu, Chang-Tao (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Zheng, Fang (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Dai, Xin (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Du, Ji-Dong (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Liu, Hao-Run (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Zhao, Li (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Li, Wei-Min (Department of Hepatobiliary, the 309th Hospital of Chinese People's Liberation Army)
Publication Information
Asian Pacific Journal of Cancer Prevention / v.13, no.9, 2012 , pp. 4305-4309 More about this Journal
Abstract
Background: Previous studies on the association between the TP53 Arg72Pro polymorphism and hepatocellular carcinoma (HCC) risk obtained controversial findings. This study aimed to quantify the strength of the association by meta-analysis. Methods: We searched PubMed and Wangfang databases for published studies on the association between the TP53 Arg72Pro polymorphism and HCC risk, using the pooled odds ratio (OR) with its 95% confidence intervals (95% CI) for assessment. Results: 10 studies with a total of 2,026 cases and 2,733 controls were finally included into this meta-analysis. Overall, the TP53 Arg72Pro polymorphism was not associated with HCC risk (all P values greaterth HCC risk in Caucasians in three genetic models (For Pro versus Arg, OR = 1.20, 95%CI 1.03-1.41; For ProPro versus ArgArg, OR = 1.74, 95%CI 1.23-2.47; For ProPro versus ArgPro/ArgArg, OR = 1.85, 95%CI 1.33-2.57). However, there was no significant association between the TP53 Arg72Pro polymorphism and HCC risk in East Asians (all P values greater than 0.10). No evidence of publication bias was observed. Conclusion: Meta-analyses of available data suggest an obvious association between the TP53 Arg72Pro and HCC risk in Caucasians. However, the TP53 Arg72Pro polymorphism may have a race-specific effect on HCC risk and further studies are needed to elucidate this possible effect.
Keywords
Hepatocellular carcinoma; TP53 Arg72Pro; polymorphism; meta-analysis; ethnicity;
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