Journal Article

Apoptosis gene polymorphisms, age, smoking and the risk of non-small cell lung cancer

Monica Ter-Minassian, Rihong Zhai, Kofi Asomaning, Li Su, Wei Zhou, Geoffrey Liu, Rebecca Suk Heist, Thomas J. Lynch, John C. Wain, Xihong Lin, Immaculata DeVivo and David C. Christiani

in Carcinogenesis

Volume 29, issue 11, pages 2147-2152
Published in print November 2008 | ISSN: 0143-3334
Published online August 2008 | e-ISSN: 1460-2180 | DOI:
Apoptosis gene polymorphisms, age, smoking and the risk of non-small cell lung cancer

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  • Clinical Cytogenetics and Molecular Genetics


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Apoptosis is important for targeting cancer cells for destruction. Various single-nucleotide polymorphisms (SNPs) in apoptotic genes have been associated with increased risks in lung cancer, particularly FAS −1377 G>A (rs2234767), FASLG −844 C>T (rs763110), IL1B +3954 C>T Phe105Phe (rs1143634) and BAT3 Ser625Pro (rs1052486). We studied the association of these SNPs with non-small cell lung cancer (NSCLC) in a large case–control study (N = 4263: 2644 cases and 1619 controls). No associations with NSCLC were observed in the main effects analysis for all four SNPs, adjusting for age, gender, smoking status, pack-years and years since smoking cessation. In subjects under age 60, for FASLG −844 C>T polymorphism, CT compared with the CC genotype, was significantly associated with increased risk of NSCLC, adjusted odds ratio (aOR) = 1.58 (1.22, 2.05), P  = 0.0006 and TT aOR = 1.45 (1.01, 2.04), P = 0.04. In contrast, for those over age 60, the CT aOR = 0.91 (0.73, 1.13), P = 0.37 and TT aOR = 0.86 (0.64, 1.16), P = 0.32. The P-value for the age–genotype interaction was 0.004. For the IL1B +3954 C>T polymorphism, compared with the CC genotype, TT showed significant associations in former smokers and in men but tests of interaction were not significant (Psmoking = 0.24, Pgender = 0.17). No interactions were observed for FAS −1377 G>A and BAT3 Ser625Pro polymorphisms. Our findings indicate that age and smoking may modify the association of the FASLG −844 and IL1B  + 3954 SNPs with the risk of NSCLC.

Journal Article.  5664 words. 

Subjects: Clinical Cytogenetics and Molecular Genetics

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