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- Title
A genome-wide association study identifies colorectal cancer susceptibility loci on chromosomes 10p14 and 8q23.3.
- Authors
Tomlinson, Ian P. M.; Webb, Emily; Carvajal-Carmona, Luis; Broderick, Peter; Howarth, Kimberley; Pittman, Alan M.; Spain, Sarah; Lubbe, Steven; Walther, Axel; Sullivan, Kate; Jaeger, Emma; Fielding, Sarah; Rowan, Andrew; Vijayakrishnan, Jayaram; Domingo, Enric; Chandler, Ian; Kemp, Zoe; Qureshi, Mobshra; Farrington, Susan M.; Tenesa, Albert
- Abstract
To identify colorectal cancer (CRC) susceptibility alleles, we conducted a genome-wide association study. In phase 1, we genotyped 550,163 tagSNPs in 940 familial colorectal tumor cases (627 CRC, 313 high-risk adenoma) and 965 controls. In phase 2, we genotyped 42,708 selected SNPs in 2,873 CRC cases and 2,871 controls. In phase 3, we evaluated 11 SNPs showing association at P < 10−4 in a joint analysis of phases 1 and 2 in 4,287 CRC cases and 3,743 controls. Two SNPs were taken forward to phase 4 genotyping (10,731 CRC cases and 10,961 controls from eight centers). In addition to the previously reported 8q24, 15q13 and 18q21 CRC risk loci, we identified two previously unreported associations: rs10795668, located at 10p14 (P = 2.5 × 10−13 overall; P = 6.9 × 10−12 replication), and rs16892766, at 8q23.3 (P = 3.3 × 10−18 overall; P = 9.6 × 10−17 replication), which tags a plausible causative gene, EIF3H. These data provide further evidence for the 'common-disease common-variant' model of CRC predisposition.
- Subjects
COLON cancer; GENOMES; GENETICS of disease susceptibility; ADENOMA; GENETIC mutation; GENETIC research
- Publication
Nature Genetics, 2008, Vol 40, Issue 5, p623
- ISSN
1061-4036
- Publication type
Article
- DOI
10.1038/ng.111