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Published in: Diagnostic Pathology 1/2014

Open Access 01-12-2014 | Research

RAD 51 Gene 135G/C polymorphism and the risk of four types of common cancers: a meta-analysis

Authors: Dan Cheng, Huimin Shi, Kan Zhang, Lingling Yi, Guohua Zhen

Published in: Diagnostic Pathology | Issue 1/2014

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Abstract

Objectives

RAD 51 gene plays an important role in the pathogenesis of squamous cell carcinoma of the head and neck (SCCHN), colorectal cancer, ovarian cancer and acute leukaemia. A number of studies assessed the association between RAD51 135G/C polymorphism and the risk of these cancers in different population. However, the results have been inconclusive. We performed a systematic meta-analysis to evaluate the association between RAD51 135G/C polymorphism and the risk of these four types of cancer.

Methods

Pubmed, Cochrane library and Chinese Biomedical Literature Database (CBM) were searched for case-control studies on RAD 51 135G/C polymorphism and the risk of SCCHN, colorectal cancer, ovarian cancer and acute leukaemia published up to Oct 31, 2013. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the strength of association.

Results

A total of twenty-two published studies, with 6836 cases and 8507 controls were included. Overall, no significant association was found between RAD51 135G/C polymorphism and the risk of the four types of cancers (G/G vs. C/C: OR = 0.83, 95% CI: 0.43-1.59, P = 0.57). However, there was a significant association between this polymorphism and SCCHN risk in the subgroup analysis by cancer type (G/G vs. C/C: OR = 2.46, 95% CI: 1.08-5.61, P = 0.03).

Conclusion

The RAD 51 135G/C polymorphism was associated with the risk of SCCHN.

Virtual slides

The virtual slide(s) for this article can be found here: http://​www.​diagnosticpathol​ogy.​diagnomx.​eu/​vs/​1383180234106945​.
Appendix
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Metadata
Title
RAD 51 Gene 135G/C polymorphism and the risk of four types of common cancers: a meta-analysis
Authors
Dan Cheng
Huimin Shi
Kan Zhang
Lingling Yi
Guohua Zhen
Publication date
01-12-2014
Publisher
BioMed Central
Published in
Diagnostic Pathology / Issue 1/2014
Electronic ISSN: 1746-1596
DOI
https://doi.org/10.1186/1746-1596-9-18

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