• Shuai Zhang, Xue Bin Wang, Ya Di Han, Chen Wang, Ye Zhou, and Fang Zheng.
• Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
• Yonsei Med. J. 2017 Jan 1; 58 (1): 165173165-173.

PurposeNumerous studies have assessed the association of SP110 gene variants with tuberculosis (TB), but the results were inconsistent. Through a comprehensive review and meta-analysis, our study aimed to clarify the nature of genetic risks contributed by 11 polymorphisms for the development of TB.Materials And MethodsThrough searching PubMed, web of science, China National Knowledge Infrastructure (CNKI) databases, a total of 11 articles including 13 independent studies were selected. The pooled odd ratios (ORs) along with their corresponding 95% confidence interval (CI) were estimated for allelic comparisons, additive model (homozygote comparisons; heterozygote comparisons), dominant model and recessive model. We also assessed the heterogeneity across the studies and publication bias.ResultsThe results of combined analysis revealed a significantly increased risk of TB for single nucleotide polymorphism (SNP) rs9061 in all five comparisons (allelic comparisons: OR=1.28, 95% CI=1.14-1.44, p<0.0001; homozygote comparisons: OR=2.84, 95% CI=1.84-4.38, p<0.00001; heterozygote comparisons: OR=1.23, 95% CI=1.05-1.43, p=0.009; dominant model: OR=1.32, 95% CI=1.14-1.53, p=0.0003; recessive model: OR=2.26, 95% CI=1.18-4.34, p=0.01). In subgroup analysis, the risk of TB associated with SNP rs9061 appeared to be increased. Moreover, increased risk of TB was also found in Asian subgroup of SNP rs11556887, while decreased risk of TB appeared in large sample size subgroup of SNP rs1135791. No significant association was observed between other SNPs and the risk of TB.ConclusionOur meta-analysis suggested that the variant of SNP rs9061 might be a risk factor for TB.

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