Background: Numerous epidemiological studies have evaluated the association between the CDH1 -160C/A polymorphism and the risk of breast cancers. However, these studies have yielded conflicting results. To derive a more precise estimation of this association, this meta-analysis was conducted. Methods: A comprehensive search using the keywords "CDH1," "E-Cadherin," "polymorphism," "SNP," and "variant" combined with "breast," "cancer," "tumor," or "carcinomas" was conducted. Pooled odds ratios (ORs) with 95 % confidence intervals (CIs) were appropriately calculated using a fixed effect or random effect model. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 checklist was used for this meta-analysis. Results: Four publications including five studies were identified. It was found that the CDH1 -160C/A polymorphism was significantly associated with breast cancer risk in the dominant model (CA + AA vs. CC: OR = 1.207, 95 % CI = 1.031-1.412, P = 0.019). Conclusions: Our meta-analysis demonstrated that the -160C/A polymorphism in the CDH1 gene might contribute to breast cancer susceptibility. Further investigations using a much larger sample including different ethnicities are still needed to verify this association.
CITATION STYLE
Ma, Y. Y., Wu, W. Q., Liu, Z. C., Yu, X. F., Guo, K., He, Q. W., … Huang, D. S. (2016). The CDH1 -160C/A polymorphism is associated with breast cancer: Evidence from a meta-analysis. World Journal of Surgical Oncology, 14(1). https://doi.org/10.1186/s12957-016-0927-0
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