Journal Article

Common genetic variants on 5p15.33 contribute to risk of lung adenocarcinoma in a Chinese population

Guangfu Jin, Lin Xu, Yongqian Shu, Tian Tian, Jie Liang, Yan Xu, Furu Wang, Jianjian Chen, Juncheng Dai, Zhibin Hu and Hongbing Shen

in Carcinogenesis

Volume 30, issue 6, pages 987-990
Published in print June 2009 | ISSN: 0143-3334
Published online April 2009 | e-ISSN: 1460-2180 | DOI: http://dx.doi.org/10.1093/carcin/bgp090
Common genetic variants on 5p15.33 contribute to risk of lung adenocarcinoma in a Chinese population

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Chromosome 5p15.33, containing TERT and CLPTM1L genes, was recently identified as one of the susceptible regions for lung cancer in Caucasian populations. We hypothesized that single-nucleotide polymorphisms (SNPs) identified in this region in Caucasians are also important in the development of lung cancer in Chinese population. To test this hypothesis, we genotyped two most significant SNPs reported in Caucasians, rs2736100A/C and rs402710C/T at 5p15.33, in a case–control study with 1221 non-small cell lung cancer (NSCLC) cases and 1344 cancer-free controls in a Chinese population. We found that rs2736100C allele in TERT gene was associated with a significantly increased risk of NSCLC with adjusted odds ratios of 1.26 [95% confidence interval (CI) = 1.05–1.51] and 1.31 (95% CI = 1.04–1.66) for one or two copies of the variant C allele, respectively. This significant association was more prominent among female (P for heterogeneity: 0.044), non-smokers (P for heterogeneity: 0.054) and/or the subjects with adenocarcinoma (P for heterogeneity: 0.058). However, no significant association was found between rs402710C/T and NSCLC risk. These results suggest that genetic variants in 5p15.33, especially in TERT gene, may also predispose the susceptibility of lung cancer, especially adenocarcinoma, in Chinese population.

Journal Article.  2406 words.  Illustrated.

Subjects: Clinical Cytogenetics and Molecular Genetics

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