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A meta-analysis of influence of MSMB promoter rs10993994 polymorphisms on prostate cancer risk.

OBJECTIVE
The aim of this meta-analysis was to assess the association between beta-microseminoprotein gene (MSMB) rs10993994 polymorphism and prostate cancer (PCa) risk.


MATERIALS AND METHODS
Relevant databases were searched to identify studies investigating the association between rs10993994 polymorphisms and the risk of PCa using allele contrast, recessive, dominant, and additive models. The assessment of the association was used by odds ratios (ORs) with 95% confidence intervals (CIs). Hardy-Weinberg equilibrium (HWE) was checked for each study. The sensitivity analysis and the assessment of publication bias were also performed.


RESULTS
Six reports involving 13 eligible studies (a total of 11,385 PCa patients and 9,115 controls) were included in the meta-analysis. Our data revealed that the T allele of MSMB rs10993994 polymorphism was significantly associated with PCa in all subjects (allele contrast: OR=1.24, 95% CI=1.19-1.29, p<0.001). Similarly, for recessive, dominant, and additive genetic models, significant associations were also found (recessive: OR=1.40, 95% CI=1.30-1.51; dominant: OR=1.28, 95% CI=1.21-1.36; and additive: OR=1.56, 95% CI=1.44-1.70). Significant associations were also found in Caucasians. The data for Asians showed significant association in allele contrast and recessive, additive genetic models, whereas no statistical significance was found in the dominant genetic model.


CONCLUSIONS
This study demonstrated a significant association between the MSMB rs10993994 polymorphisms and PCa risk. Further large-scale studies are warranted to confirm our findings.