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Increased risks between Interleukin-10 gene polymorphisms and haplotype and head and neck cancer: a meta-analysis.

ABSTRACT: Molecular epidemiological research suggests that interleukin-10 (IL-10) polymorphisms may be associated with an increased risk of head and neck cancer (HNC), but results remain controversial. To derive a more precise evaluation, we performed a meta-analysis focused on genetic polymorphisms of IL-10. PubMed, Embase, CNKI and Wanfang databases were searched for studies that examined the relationship between IL-10 polymorphisms or haplotypes and HNC risk. The odds ratio (OR) and 95% confidence interval (CI) were applied to assess the relationship strength. Publication bias, sensitivity and cumulative analyses were conducted to measure the robustness of our findings. Overall, nine related studies involving 2,258 patients and 2,887 control samples were analyzed. Significant associations between the IL-10-1082A?>?G polymorphism and HNC risk were observed (G vs. A: OR?=?1.56, 95% CI?=?1.27-1.92, P??C polymorphism and the GCC haplotype. In conclusion, our meta-analyses suggest that IL-10 polymorphisms, specifically the -1082A?>?G polymorphism, may be associated with increased risk of HNC development.

SUBMITTER: Niu YM

PROVIDER: S-EPMC4661474 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Increased risks between Interleukin-10 gene polymorphisms and haplotype and head and neck cancer: a meta-analysis.

Niu Yu-Ming YM Du Xin-Ya XY Cai Heng-Xing HX Zhang Chao C Yuan Rui-Xia RX Zeng Xian-Tao XT Luo Jie J

Scientific reports 20151127

Molecular epidemiological research suggests that interleukin-10 (IL-10) polymorphisms may be associated with an increased risk of head and neck cancer (HNC), but results remain controversial. To derive a more precise evaluation, we performed a meta-analysis focused on genetic polymorphisms of IL-10. PubMed, Embase, CNKI and Wanfang databases were searched for studies that examined the relationship between IL-10 polymorphisms or haplotypes and HNC risk. The odds ratio (OR) and 95% confidence inte ...[more]

PMID: 26612133

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Project description:BACKGROUND:The associations between RAD51 gene polymorphisms (G135C and G172T) and risk of head and neck cancer (HNC) have been investigated, but the results are controversial. The aim of this study was to provide a more precise estimation of its relationship with HNC using a meta-analysis. METHODS:Relevant studies were retrieved from the PubMed, Excerpta Medica Database, and China National Knowledge Infrastructure. Strict selection and exclusion criteria were determined, and the odds ratio (OR) with a 95% confidence interval (CI) was used to assess the strength of the association between RAD51 polymorphisms and HNC risk. RESULTS:Six studies were eligible for RAD51 G135C (1593 cases and 1719 controls), and three studies were eligible for RAD51 G172T (997 cases and 979 controls). In the overall population, significant association between RAD51 G135C polymorphism and HNC risk was observed under allele model (C vs G: OR = 1.21, 95% CI = 1.04-1.41, P = 0.015). In the subgroup analysis by smoking status, a significant association was found among smokers (C vs G: OR = 1.59, 95% CI = 1.25-2.04; GC vs GG: OR = 2.29, 95% CI = 1.29-4.05; GC + CC vs GG: OR = 2.08, 95% CI = 1.56-2.78). When stratified based on drinking status, a significant association was found among drinkers(C vs G: OR = 1.60, 95% CI = 1.21-2.11; GC vs GG: OR = 2.50, 95% CI = 1.16-5.38; GC + CC vs GG: OR = 2.17,95% CI = 1.56-3.01). However, no significant association with HNC risk was demonstrated when stratified based on source of control and ethnicity. For G172T polymorphism, the results showed no significant risk association in overall analysis. In the subgroup analysis by ethnicity, the result suggested that a decreased HNC risk was found among Caucasians (T vs G: OR = 0.82, 95% CI = 0.72-0.95; TT vs GG: OR = 0.62, 95% CI = 0.46-0.84; TT vs GT + GG: OR = 0.64, 95% CI = 0.49-0.84). CONCLUSION:This meta-analysis suggested that RAD51 G135C is associated with increased HNC risk, especially among smokers and drinkers, while G172T polymorphism may play a protective role against HNC among Caucasians. Larger-scale and well-designed studies are needed to further clarify the association.

Dataset Information

Increased risks between Interleukin-10 gene polymorphisms and haplotype and head and neck cancer: a meta-analysis.

Publications

Increased risks between Interleukin-10 gene polymorphisms and haplotype and head and neck cancer: a meta-analysis.

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