Genetic variants in telomere-maintenance genes and bladder cancer risk.
- Joshua Chang
- Colin P Dinney
- Maosheng Huang
- Xifeng Wu
- Jian Gu
DOIAbstract
Telomeres are critical in maintaining genomic stability. Genetic variants in telomere pathway genes may affect telomere and telomerase function, and subsequently cancer risk. We evaluated 126 SNPs from 10 genes related to telomere regulation in relation to bladder cancer risk. Five SNPs, 4 from TEP1 gene and 1 from PINX1 gene, were found to be highly significant (P<0.01). Out of these, the most significant association was found in rs2228041 of TEP1 (OR 1.66, 95% CI 1.19-2.31) while rs1469557 of PINX1 had a protective effect (OR 0.75, 95% CI 0.61-0.93). Haplotype analysis showed that a TEP1 haplotype consisting of the variant alleles of 7 SNPs exhibited a 2.28 fold increased risk (95% CI 1.13-4.60). We then performed cumulative analysis of m...
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