• Bioscience reports · Oct 2017

    Meta Analysis

    IL-10 -1082 A>G (rs1800896) polymorphism confers susceptibility to pulmonary tuberculosis in Caucasians but not in Asians and Africans: a meta-analysis.

    • Mohammed Y Areeshi, Raju K Mandal, Sajad A Dar, Arshad Jawed, Mohd Wahid, Mohtashim Lohani, Aditya K Panda, Bhartendu N Mishra, Naseem Akhter, and Shafiul Haque.
    • Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia.
    • Biosci. Rep. 2017 Oct 31; 37 (5).

    BackgroundEarlier studies have shown that interlukin-10 (IL-10) -1082 A>G gene polymorphism is implicated in susceptibility to pulmonary tuberculosis (PTB), but their results are inconsistent and inconclusive. In the present study, a meta-analysis was performed to analyze the potential association between IL-10 -1082 A>G gene polymorphism and PTB susceptibility.MethodsA quantitative synthesis was done using PubMed (Medline), EMBASE, and Google Scholar web databases search and meta-analysis was performed by calculating pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) for all the genetic models.ResultsA total of 22 eligible studies comprising 4956 PTB cases and 6428 healthy controls were included in the analysis. We did not observe any increased or decreased risk of PTB in allelic contrast (G vs. A: P=0.985; OR = 1.001, 95% CI = 0.863-1.162), homozygous (GG vs. AA: P=0.889; OR = 1.029, 95% CI = 0.692-1.529), heterozygous (GA vs. AA: P=0.244; OR = 0.906, 95% CI = 0.767-1.070), dominant (GG + AG vs. AA: P=0.357; OR = 1.196, 95% CI = 0.817-1.752), and recessive (GG vs. AA + AG: P=0.364; OR = 0.921, 95% CI = 0.771-1.100) genetic models. Likewise, no association of IL-10 -1082 A>G polymorphism with PTB risk was observed in Asian and African population for all the genetic models. Interestingly, the dominant model (GG + AG vs. AA: P=0.004; OR = 1.694, 95% CI = 1.183-2.425) demonstrated increased risk of PTB in Caucasian population.ConclusionsThis meta-analysis concludes that IL-10 -1082 A>G gene polymorphism is not significantly associated with overall, Asian and African population. However, this polymorphism is associated with Caucasian population.© 2017 The Author(s).

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