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Associations of IL-10 genetic polymorphisms with the risk of urologic cancer: a meta-analysis based on 18,415 subjects.

ABSTRACT: BACKGROUND:Interleukin-10 (IL-10) is a powerful modulator of anti-tumor immune responses. The IL-10 promoter region polymorphisms are known to regulate IL-10 production, and thus are thought to be implicated in tumorigenesis. Recently, the roles of these polymorphisms in urologic cancer have been extensively studied, with conflicting results. Therefore, we conducted the present meta-analysis to better elucidate the correlations between IL-10 polymorphisms and urologic cancer risk. METHODS:Eligible articles were searched in PubMed, Medline, Embase, Scopus and CNKI up to May 2016. Odds ratios (ORs) and 95% confidence intervals (CIs) were used to detect any potential associations between IL-10 polymorphisms and the risk of urologic cancer. RESULTS:A total of 22 case-control studies including 8572 patients and 9843 controls were analyzed. The overall meta-analysis results showed that IL-10 -592C>A polymorphism was significantly associated with urologic cancer in CA versus AA (P = 0.04, OR 0.87, 95% CI 0.76-0.99) and AA versus CC+CA (P = 0.03, OR 1.15, 95% CI 1.02-1.31). Subgroup analyses by cancer types suggested there were significant associations between all the three investigated IL-10 polymorphisms and bladder cancer. However, subgroup analyses by ethnicity only detected a weak association between IL-10 -819C>T and Asian population. CONCLUSIONS:Our findings suggests that IL-10 -592C>A polymorphism may implicate with urologic cancer risk. Besides, promoter region polymorphisms of IL-10 may serve as potential biological markers, especially for bladder cancer. Furthermore, IL-10 -819C>T polymorphism may contribute to urologic cancer susceptibility in Asians while all the three studied variants of IL-10 did not relate to Caucasian urologic cancer predisposition.

SUBMITTER: Shi X

PROVIDER: S-EPMC5127928 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Associations of IL-10 genetic polymorphisms with the risk of urologic cancer: a meta-analysis based on 18,415 subjects.

Shi Xiaohan X Xie Xiaochuan X Xun Xiaoshuang X Jia Yingxian Y Li Shangwei S

SpringerPlus 20161129 1

<h4>Background</h4>Interleukin-10 (IL-10) is a powerful modulator of anti-tumor immune responses. The IL-10 promoter region polymorphisms are known to regulate IL-10 production, and thus are thought to be implicated in tumorigenesis. Recently, the roles of these polymorphisms in urologic cancer have been extensively studied, with conflicting results. Therefore, we conducted the present meta-analysis to better elucidate the correlations between IL-10 polymorphisms and ...[more]

PMID: 27995011

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Project description:Cancer incidence is dramatically increasing worldwide, therefore improved prediction and therapeutic methods are needed. Single nucleotide polymorphisms in cytokine genes may contribute to carcinogenesis. Interleukin (IL)‑4 gene polymorphisms have been intensively studied with regard to their associations with cancer. However, the results of these previous studies remain inconclusive. The present study, therefore, aimed to conduct a meta‑analysis of previously published studies in order to clarify the association of IL‑4 with cancer risk. Eligible published articles were searched in Medline, PubMed, Embase and China National Knowledge Infrastructure databases up to March 2016. Odds ratios and 95% confidence intervals were used to identify potential associations between IL‑4 genetic polymorphisms and the risk of cancer. A meta‑analysis was then performed on 10,873 patients and 14,328 controls for IL‑4 rs2243250 polymorphism, 3,970 patients and 5,686 controls for IL‑4 rs2070874 polymorphism, and 1,896 patients and 2,526 controls for IL‑4 rs79071878 polymorphism. A significant association with cancer risk was observed for rs2243250 and rs79071878 polymorphisms. In the subgroup analysis by cancer type, rs2243250 polymorphism was demonstrated to be associated with an increased risk of gastric cancer and breast cancer, rs2070874 polymorphism was correlated with leukemia and oral carcinoma, and rs79071878 polymorphism was relevant to bladder carcinoma risk. In the subgroup analysis by ethnicity, IL‑4 rs2243250 polymorphism was demonstrated to be associated with cancer risk in both Caucasian and Asian populations, rs2070874 was associated with cancer risk in Asian populations, while rs79071878 polymorphism was associated with cancer risk in Caucasian populations. In conclusion, the present results suggested that the IL‑4 rs2243250 and rs79071878 polymorphisms were associated with cancer susceptibility. Further subgroup analyses revealed that the effects of IL‑4 gene polymorphisms on cancer risk may vary by cancer type and by ethnicity.

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Associations of IL-10 genetic polymorphisms with the risk of urologic cancer: a meta-analysis based on 18,415 subjects.

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Associations of <i>IL</i>-<i>10</i> genetic polymorphisms with the risk of urologic cancer: a meta-analysis based on 18,415 subjects.

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