The TLR9 Gene Polymorphisms and the Risk of Cancer: Evidence from a Meta-Analysis |
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| Authors: | LuShun Zhang HaoJie Qin Xuan Guan Kui Zhang ZhiRong Liu |
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| Affiliation: | 1. Department of Pathology, Cheng Du Medical College, Chengdu, China.; 2. School of Forensic Medicine, Henan University of Science and Technology, Luoyang, China.; 3. Department of Forensic Medicine, Zun Yi Medical College, Zunyi, China.; 4. Department of Breast and Vascular Surgery, Second People’s Hospital of Chengdu, Chengdu, China.; University of Aberdeen, United Kingdom, |
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| Abstract: | BackgroundGrowing studies have revealed the association between polymorphisms in the Toll-like receptor 9 (TLR9) and susceptibility to cancer, however, the results remained inconsistent.Methodology/Principal FindingsTo assess the effect of three selected SNPs (rs352140, rs5743836 and rs187084) in TLR9 on cancer, we performed a meta-analysis based on 11 case-control studies, including a total of 6,585 cancer cases and 7,506 controls. Summary odds ratios (OR) and corresponding 95% confidence intervals (CIs) for polymorphisms in TLR9 and cancer risk were estimated. Our meta-analysis indicated that rs352140 was associated with an increased cancer risk, especially in Caucasian. However, no significantly increased cancer risk was detected to be associated with rs187084 and rs5743836 either the overall or subgroup estimation.ConclusionsThese meta-analysis results indicate that polymorphisms in TLR9 may play a role in cancer development. |
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