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PLoS One. 2013 Apr 30;8(4):e62485. doi: 10.1371/journal.pone.0062485. Print 2013.

Replication study in Chinese population and meta-analysis supports association of the 5p15.33 locus with lung cancer.

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  • 1State Key Laboratory of Environment Health (Incubation), Ministry of Education Key Laboratory of Environment & Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, Wuhan, China.



Common genetic polymorphisms on chromosome 5p15.33, including rs401681 in cleft lip and palate transmembrane 1-like gene (CLPTM1L), have been implicated in susceptibility to lung cancer through genome-wide association studies (GWAS); however, subsequent replication studies yielded controversial results.


A hospital-based case-control study in a Chinese population was conducted to replicate the association, and then a meta-analysis combining our non-overlapping new data and previously published data was performed to clearly discern the real effect of lung cancer susceptibility. In our study with 611 cases and 1062 controls, the minor allele T carrier (TT plus CT) group conferred an OR of 0.801 (95% CI = 0.654-0.981) under the dominant model. The meta-analysis comprising 9111 cases and 11424 controls further confirmed the significant association in the dominant model (OR = 0.842, 95% CI = 0.795-0.891). By stratified analysis, we revealed that ethnicity and study design might constitute the source of between-study heterogeneity. Besides, the sensitivity and cumulative analyses indicated the high stability of the results.


The results from our case-control study and meta-analysis provide convincing evidence that rs401681 is significantly associated with lung cancer risk.

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