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IL-10-1082A/G, -592C/A, and -819T/C polymorphisms in association with lung cancer susceptibility: a meta-analysis

Authors Liu L, Zheng F

Received 29 July 2016

Accepted for publication 29 August 2016

Published 7 October 2016 Volume 2016:9 Pages 6083—6091


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Professor Min Li

Liang Liu,1 Feng Zheng2

1Department of Thoracic Surgery, The TCM Hospital of Changzhou Affiliated to Nanjing University of TCM, Changzhou, Jiangsu, People’s Republic of China; 2Department of Critical Care Medicine, The Third Affiliated Hospital of Soochow University, The First People’s Hospital of Changzhou, Changzhou, Jiangsu, People’s Republic of China

Abstract: Numerous studies have examined the association between interleukin-10 (IL-10 -1082A/G, -592C/A, and -819T/C) gene polymorphisms and risk of lung cancer, but these have revealed inconsistent results. The aim of this study was to clarify the relationship between these polymorphisms and the risk of lung cancer by performing a meta-analysis. The published literature concerning IL-10 polymorphisms and lung cancer risk were retrieved by systematically searching PubMed, Embase, Web of Science, China National Knowledge Infrastructure, WanFang, and Database of Chinese Scientific and Technical Periodicals (VIP) database. Statistical analysis was conducted with Stata 12.0 software. A total of ten published articles comprising of 19 studies were selected, including seven studies (1,960 controls and 1,321 cases) for IL-10 -1082A/G, seven studies (2,613 controls and 1,839 cases) for IL-10 -592C/A, and five studies (1,558 controls and 926 cases) for IL-10 -819T/C. This study found that the IL-10 -1082A/G and -592C/A polymorphisms were significantly associated with the risk of lung cancer in the overall analysis. When stratified by ethnicity, significantly increased risks were observed for IL-10 -1082A/G, -592C/A, and -819T/C polymorphisms in Asians (for -1082A/G, AA vs [AG + GG]: odds ratio [OR] =1.20, confidence interval [CI] =1.05–1.39, P<0.05; for C-592A, C vs A, OR =1.36, CI =1.20–1.53, P<0.05; CC vs AA, OR =1.85, CI =1.45–2.37, P<0.05; CC vs [CA + AA], OR =1.36, CI =1.15–1.61, P<0.05; for -819T/C, T vs C: OR =1.21, CI =1.06–1.38, P<0.05; TT vs CC, OR =1.54, CI =1.18–2.01, P<0.05; [TT + TC] vs CC, OR =1.51, CI =1.17–1.95, P<0.05). Moreover, the data indicated that there was a significant association between IL-10 -819T/C polymorphism and non-small-cell lung cancer risk. No significant publication bias was detected under the four genetic models (allele model, homozygous model, dominant model, and recessive model) in this meta-analysis. On the basis of these 19 studies, this study found that the IL-10 -1082A/G and -819T/C polymorphisms might have a significant association with risk of lung cancer in Asian populations.

Keywords: interleukin-10, lung neoplasms, polymorphism, susceptibility, meta-analysis

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