Abstract
TP53 is known as a tumor suppressor gene involved in cell cycle regulation. Many previous epidemiological and clinical studies have evaluated the effects of rs1042522 polymorphism on risk of ovarian cancer. But the results are conflicting and heterogeneous. The primary objective of this study was to examine whether rs1042522 polymorphism is associated with ovarian cancer risk. We performed a comprehensive meta-analysis of 19 case–control studies that analyzed rs1042522 polymorphism in ovarian cancer risk. Odds ratios (ORs) were calculated using distinct genetic models. Heterogeneity between studies was detected by the χ2-based Q test. Additional analyses such as sensitivity analyses and publication bias were also performed. The rs1042522 polymorphism was not overall associated with ovarian cancer risk. But there was a borderline association in the heterozygote model (OR = 1.09, 95 % CI 0.99–1.21). Similar effects were observed in the subgroup of Caucasian population (the heterozygote model: OR = 1.11, 95 % CI 1.00–1.24). No significant heterogeneity and publication bias were revealed in this meta-analysis. This study provides statistical evidence that TP53 rs1042522 polymorphism may play a role in modulating risk of ovarian cancer. This observation requires further analysis of a larger study size.
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Xi, Y., Liu, C. & Xin, X. Association Between a Single Nucleotide Polymorphism in the TP53 Region and Risk of Ovarian Cancer. Cell Biochem Biophys 70, 1907–1912 (2014). https://doi.org/10.1007/s12013-014-0150-y
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DOI: https://doi.org/10.1007/s12013-014-0150-y