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Title: Polymorphisms in DNA repair genes, smoking, and bladder cancer risk: findings from the international consortium of bladder cancer.
Authors: Stern MC,  Lin J,  Figueroa JD,  Kelsey KT,  Kiltie AE,  Yuan JM,  Matullo G,  Fletcher T,  Benhamou S,  Taylor JA,  Placidi D,  Zhang ZF,  Steineck G,  Rothman N,  Kogevinas M,  Silverman D,  Malats N,  Chanock S,  Wu X,  Karagas MR,  Andrew AS,  Nelson HH,  Bishop DT,  Sak SC,  Choudhury A,  Barrett JH,  Elliot F,  Corral R,  Joshi AD,  Gago-Dominguez M,  Cortessis VK,  Xiang YB,  Gao YT,  Vineis P,  Sacerdote C,  Guarrera S,  Polidoro S,  Allione A,  Gurzau E,  Koppova K,  Kumar R,  Rudnai P,  Porru S,  Carta A,  Campagna M,  Arici C,  Park SS,  Garcia-Closas M,  International Consortium of Bladder Cancer,  Real F,  Saal RC,  Carroll L,  Wang J,  Boyd E,  Sala M,  Fernandez MT,  Wan P
Journal: Cancer Res
Date: 2009 Sep 1
Branches: CGR, HREB, LTG, OEEB
PubMed ID: 19706757
PMC ID: PMC2782435
Abstract: Tobacco smoking is the most important and well-established bladder cancer risk factor and a rich source of chemical carcinogens and reactive oxygen species that can induce damage to DNA in urothelial cells. Therefore, common variation in DNA repair genes might modify bladder cancer risk. In this study, we present results from meta-analyses and pooled analyses conducted as part of the International Consortium of Bladder Cancer. We included data on 10 single nucleotide polymorphisms corresponding to seven DNA repair genes from 13 studies. Pooled analyses and meta-analyses included 5,282 cases and 5,954 controls of non-Latino white origin. We found evidence for weak but consistent associations with ERCC2 D312N [rs1799793; per-allele odds ratio (OR), 1.10; 95% confidence interval (95% CI), 1.01-1.19; P = 0.021], NBN E185Q (rs1805794; per-allele OR, 1.09; 95% CI, 1.01-1.18; P = 0.028), and XPC A499V (rs2228000; per-allele OR, 1.10; 95% CI, 1.00-1.21; P = 0.044). The association with NBN E185Q was limited to ever smokers (interaction P = 0.002) and was strongest for the highest levels of smoking dose and smoking duration. Overall, our study provides the strongest evidence to date for a role of common variants in DNA repair genes in bladder carcinogenesis.