title: The SNP rs402710 in 5p15.33 is associated with lung cancer risk: a replication study in Chinese population and a meta-analysis.
abstract: BACKGROUND
  Lung cancer is the most commonly diagnosed cancer and leading cause of cancer mortality in the world. A single nucleotide polymorphism (SNP), rs402710, located in 5p15.33, was firstly identified to be associated with the lung cancer risk in a genome-wide association study. However, some following replication studies yielded inconsistent results.
  
  
  RESULTS
  A case-control study of 611 cases and 1062 controls in a Chinese population was conducted, and then a meta-analysis integrating the current and previously published studies with a total 31811 cases and 36333 controls was performed to explore the real effect of rs402710 on lung cancer susceptibility. Significant associations between the SNP rs402710 and lung cancer risk were observed in both case-control study and meta-analysis, with ORs equal to 0.77 (95%CI = 0.63-0.95) and 0.83 (95%CI = 0.81-0.86) in dominant model, respectively. By stratified analysis of our case-control study, the associations were also observed in never smoker group and non-small cell lung cancer(NSCLC) group with ORs equal to 0.71 (95%CI = 0.53-0.95) and 0.69 (95%CI = 0.55-0.87), which was remarkable that larger effect of the minor allele T was seen in the two groups than that in overall lung cancer. Besides, the sensitive and cumulative analysis indicated the robust stability of the current results of meta-analysis.
  
  
  CONCLUSIONS
  The results from our replication study and the meta-analysis provided firm evidence that rs402710 T allele significantly contributed to decreased lung cancer risk, and the case-control study implied that the variant may yield stronger effect on NSCLC and never smokers. However, the mechanism underlying the polymorphism conferring susceptibility to lung cancer is warranted to clarify in the follow-up studies.
authors.affiliation: State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health (Wuhan), and Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China ; Guangdong Maternal and Child Health Care Hospital, Guangzhou, China.
authors.forename: Xuzai
authors.initials: X
authors.lastname: Lu
authors.forename: Juntao
authors.initials: J
authors.lastname: Ke
authors.forename: Xia
authors.initials: X
authors.lastname: Luo
authors.forename: Yaowu
authors.initials: Y
authors.lastname: Zhu
authors.forename: Li
authors.initials: L
authors.lastname: Zou
authors.forename: Huijun
authors.initials: H
authors.lastname: Li
authors.forename: Beibei
authors.initials: B
authors.lastname: Zhu
authors.forename: Zhigang
authors.initials: Z
authors.lastname: Xiong
authors.forename: Wei
authors.initials: W
authors.lastname: Chen
authors.forename: Lingyan
authors.initials: L
authors.lastname: Deng
authors.forename: Jiao
authors.initials: J
authors.lastname: Lou
authors.forename: Xianxiu
authors.initials: X
authors.lastname: Wang
authors.forename: Yu
authors.initials: Y
authors.lastname: Zhang
authors.forename: Zhenling
authors.initials: Z
authors.lastname: Wang
authors.forename: Xiaoping
authors.initials: X
authors.lastname: Miao
authors.forename: Liming
authors.initials: L
authors.lastname: Cheng
mesh_terms: D044466:Asian People / Q000235:genetics*; D016022:Case-Control Studies; D002681:China / Q000453:epidemiology; D002895:Chromosomes, Human, Pair 5 / Q000235:genetics*; D020022:Genetic Predisposition to Disease / Q000235:genetics*; D055106:Genome-Wide Association Study; D005838:Genotype; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology* / Q000235:genetics*; D016017:Odds Ratio; D020641:Polymorphism, Single Nucleotide / Q000235:genetics*; D012307:Risk Factors; D012907:Smoking