Cystic fibrosis transmembrane conductance regulator gene mutation and lung cancer risk.
Abstract
The cystic fibrosis transmembrane conductance regulator (CFTR) holds an important role in retaining lung function, but its association with lung cancer is unclear. A case-control study was conducted to determine the possible associations of the genetic variants in the CFTR gene with lung cancer risk. Genotypes of the most common deletion DeltaF508, one functional SNP, and eight tag SNPs in the CFTR gene were determined in 574 lung cancer patients and 679 controls. A logistic regression model, adjusting for known risk factors, was used to evaluate the association of each variant with lung cancer risk, as confirmation haplotype and sub-haplotype analyses were performed. DeltaF508 deletion and genotypes with minor alleles in one tag SNP, rs10487372, and one functional SNP, rs213950, were inversely associated with lung cancer risk. The results of haplotype and sub-haplotype analyses were consistent with single variant analysis, all pointing to deletion DeltaF508 being the key variant for significant haplotypes and sub-haplotypes. Individuals with 'deletion-T' (DeltaF508/rs10487372) haplotype had a 68% reduced risk for lung cancer compared to common haplotype 'no-deletion-C' (OR=0.32; 95% CI=0.15-0.68; p=0.01). Genetic variations in...Continue Reading
References
Clinical features of 5,628 primary lung cancer patients: experience at Mayo Clinic from 1997 to 2003
Citations
The cystic fibrosis transmembrane conductance regulator as a biomarker in non-small cell lung cancer
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