• Qi Wang, Juntao Ke, Qibin Song, Weiguo Hu, Xuzai Lu, Zhenling Wang, Hongyun Gong, Tangpeng Xu, Xueqin Chen, Bin Xu, Cheng Liu, Yun Sun, Yajie Gong, Yang Yang, and Ying Zhu.
• Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, China.
• Plos One. 2015 Jan 1; 10 (6): e0128201.

BackgroundLung cancer is one of the most common human malignant diseases and the leading cause of cancer death worldwide. The rs931794, a SNP located in 15q25.1, has been suggested to be associated with lung cancer risk. Nevertheless, several genetic association studies yielded controversial results.Methods And FindingsA hospital-based case-control study involving 611 cases and 1062 controls revealed the variant of rs931794 was related to increased lung cancer risk. Stratified analyses revealed the G allele was significantly associated with lung cancer risk among smokers. Following meta-analysis including 6616 cases and 7697 controls confirmed the relevance of rs931794 variant with increased lung cancer risk once again. Heterogeneity should be taken into account when interpreting the consequences. Stratified analysis found ethnicity, histological type and genotyping method were not the sources of between-study heterogeneity. Further sensitivity analysis revealed that the study "Hsiung et al (2010)" might be the major contributor to heterogeneity. Cumulative meta-analysis showed the trend was increasingly obvious with adding studies, confirming the significant association.ConclusionsResults from our current case-control study and meta-analysis offered insight of association between rs931794 and lung cancer risk, suggesting the variant of rs931794 might be related with increased lung cancer risk.

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