Oncotarget

Research Papers:

Role of CD152 genetic polymorphisms in the susceptibility to breast cancer

Hai Chen _, Xiaodong Qi, Xue Bai, Ping Qiu and Bin Chen

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Oncotarget. 2017; 8:26679-26686. https://doi.org/10.18632/oncotarget.15794

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Abstract

Hai Chen1, Xiaodong Qi1, Xue Bai1, Ping Qiu1, Bin Chen1

1Department of Galactophore, The General Hospital of Beijing Military Command, Beijing 100000, China

Correspondence to:

Hai Chen, email: yuijicshygu@163.com

Keywords: CD152, CTLA-4, polymorphisms, breast cancer, immune response

Received: July 02, 2016     Accepted: October 13, 2016     Published: March 01, 2017

ABSTRACT

Background: The polymorphisms in cluster of differentiation 152 (CD152) gene have been reported to be associated with breast cancer (BC), but relevant findings were far from conclusive. Therefore, we carried out this meta-analysis to combine those results for a clearer perspective on this issue.

Results: In our meta-analysis, a total of 8 eligible publications of 19 case-control studies were selected, which totally contained 7,442 BC cases and 7,376 normal controls. Among the five polymorphisms of CD152 gene, +49 G/A, −1661 A/G and −318 C/T significantly increased the risk of BC under corresponding genetic comparisons; while CT60 G/A polymorphism was negatively related to the cancer susceptibility. In addition, −1772 T/C polymorphism of CD152 gene was not associated with the development of BC.

Materials and methods: Online databases and other sources were searched for published studies on the relationship between BC susceptibility and CD152 polymorphisms (+49 G/A, −1661 A/G, −1722 T/C, −318 C/T and CT60 G/A). The strength of association was evaluated with pooled odds ratios (ORs) and their corresponding 95% confidence intervals (95% CIs). Heterogeneity evaluation was conducted via Q test. Sensitivity analysis was used to detect the stability of our results. Begg’s funnel plot and Egger’s test were applied to investigate publication bias among selected studies.

Conclusions: The polymorphisms +49 G/A, −1661 A/G and −318 C/T may elevate the susceptibility to BC, but the polymorphism CT60 G/A may offer protection against the cancer.


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