• Department of Respiratory, First People Hospital of Ziyang City, Ziyang 641300, China;
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Objective To investigate the association between IL-1β gene-511C/T polymorphisms and the risk of chronic obstructive pulmonary disease (COPD). Methods Such databases as PubMed, EMbase, CNKI, CBM, VIP and WanFang Data were searched for the studies on the association between IL-1β gene-511C/T polymorphisms and the risk of COPD up to May 2014. According to inclusion and exclusion criteria, two reviewers independently screened literature, extracted data, and assessed methodological quality of included studies. Then meta-analysis was performed using RevMan 5.0 software. Results A total of 10 case-control studies from 9 articles involving 1 171 cases and 1 268 controls were included. The results of meta-analysis showed that, no significant association was found between IL-1β gene-511C/T polymorphisms and the risk of COPD:TT+CT vs. CC:OR=1.06, 95%CI 0.66 to 1.70, P=0.82; TT vs. CT+CC:OR=0.87, 95%CI 0.60 to 1.26, P=0.32; TT vs. CC:OR=0.95, 95%CI 0.51 to 1.75, P=0.86; CT vs. CC:OR=1.10, 95%CI 0.71 to 1.70, P=0.15; T vs. C:OR=0.97, 95%CI=0.72 to 1.30, P=0.84. The results of subgroup analysis by ethnicity showed that, no significant association was found between IL-1β gene-511C/T polymorphisms and the risk of COPD among Caucasians and Asians. Conclusion IL-1β gene-511C/T polymorphisms might not contribute to the risk of COPD.

Citation: ZENGLing-jun, LILi, BIYu-ling. Association between IL-1β Gene-511C/T Polymorphisms and Chronic Obstructive Pulmonary Disease Risk: A Meta-Analysis. Chinese Journal of Evidence-Based Medicine, 2014, 14(11): 1304-1310. doi: 10.7507/1672-2531.20140212 Copy

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