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Basic Research

IL-10 polymorphisms and prostate cancer risk: a meta-analysis

Abstract

Evidence is accumulating that chronic inflammation may have an important role in prostate cancer (PCa). Three common polymorphisms in the promoter of interleukin-10 (IL-10) gene, −1082 A>G, −819 C>T and −592 C>A, have been implicated to alter the risk of PCa, but the results of relative studies are inconclusive or controversial. To derive a more precise estimation of the relationship, we performed an updated meta-analysis on the basis of 10 studies. A comprehensive search was conducted to examine all the eligible studies of IL-10 polymorphism and PCa risk. We used odds ratios (ORs) to assess the strength of the association, and 95% confidence intervals (CIs) give a sense of the precision of the estimate. Overall, there were no significant associations between increased risk of PCa and IL-10 −1082 A>G, −819 C>T and −592 C>A polymorphisms. However, meta-analysis suggested that IL-10 −819 C>T and −592 C>A polymorphisms might be modestly associated with PCa aggressiveness (T versus C, OR=1.162, 95% CI: 1.035–1.305, P=0.011; A versus C, OR=1.131, 95% CI: 1.012–1.264, P=0.030; respectively). IL-10 −819 C>T and −592 C>A polymorphisms might impact PCa progression. Variant alleles at both −819 and −592 were modestly associated with advanced stages of PCa. Additional well-designed studies are warranted to validate these findings.

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Correspondence to L-x Hua.

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Shao, N., Xu, B., Mi, Yy. et al. IL-10 polymorphisms and prostate cancer risk: a meta-analysis. Prostate Cancer Prostatic Dis 14, 129–135 (2011). https://doi.org/10.1038/pcan.2011.6

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