Journal article
A genome-wide association study identifies colorectal cancer susceptibility loci on chromosomes 10p14 and 8q23.3
IPM Tomlinson, E Webb, L Carvajal-Carmona, P Broderick, K Howarth, AM Pittman, S Spain, S Lubbe, A Walther, K Sullivan, E Jaeger, S Fielding, A Rowan, J Vijayakrishnan, E Domingo, I Chandler, Z Kemp, M Qureshi, SM Farrington, A Tenesa Show all
Nature Genetics | Published : 2008
DOI: 10.1038/ng.111
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 association..
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