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Carcinogenesis. 2010 May;31(5):834-41. doi: 10.1093/carcin/bgq003. Epub 2010 Jan 8.

Individuals susceptible to lung adenocarcinoma defined by combined HLA-DQA1 and TERT genotypes.

Author information

1
Biology Division, National Cancer Center Research Institute, Tokyo 104-0045, Japan.

Abstract

Adenocarcinoma (ADC) is the commonest histological type of lung cancer, and its weak association with smoking indicates the necessity to identify high-risk individuals for targeted screening and/or prevention. By a genome-wide association study (GWAS), we identified an association of polymorphisms in the 6p21.31 locus containing four human leukocyte antigen (HLA) class II genes with lung ADC risk. DQA1*03 of the HLA-DQA1 gene was defined as a risk allele with odds ratio (OR) of 1.36 [95% confidence interval (CI) = 1.21-1.54, P = 5.3 x 10(-7)] by analysis of 1656 ADC cases and 1173 controls. DQA1*03 and the minor allele for a polymorphism, rs2736100, in TERT, another lung cancer susceptibility locus identified in recent GWASs on Europeans and Americans, were indicated to independently contribute to ADC risk with per allele OR of 1.43 (95% CI = 1.31-1.56, P = 7.8 x 10(-16)). Individuals homozygous both for the DQA1*03 and minor TERT alleles were defined as high-risk individuals with an OR of 4.76 (95% CI = 2.53-9.47, P = 4.2 x 10(-7)). The present results indicated that individuals susceptible to lung ADC can be defined by combined genotypes of HLA-DQA1 and TERT.

PMID:
20061363
DOI:
10.1093/carcin/bgq003
[Indexed for MEDLINE]

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