A common 8q24 variant and the risk of colon cancer: A population-based case-control study

Li Li, Sarah J. Plummer, Cheryl L. Thompson, Alona Merkulova, Louise S. Acheson, Thomas C. Tucker, Graham Casey

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


Three recent studies identified common variants on 8q24 that confer modestly increased susceptibility to colorectal cancer. Here, we replicate the association in a population-based case-control study of colon cancer, including 561 cases and 721 unrelated controls. The rs6983267 marker was significantly associated with colon cancer risk. Compared with those homozygous for the T allele, the heterozygous and homozygous carriers for the G allele had an age-adjusted odds ratio of 1.39 (95% confidence interval, 1.03-1.88) and 1.68 (95% confidence interval, 1.21-2.33), respectively. An additive model showed strong evidence for a gene-dose response relationship (Ptrend = 0.0022). The association remained statistically significant when restricted to Caucasians only (527 cases and 679 controls; Ptrend = 0.0056). Further adjustment for other known risk factors did not alter the results. Stratified analysis revealed no evidence for effect modification by family history of colorectal cancer, age, or gender. These data replicate the association identified from recent studies, providing additional evidence supporting the rs6983267 genetic polymorphism as a marker predisposing to colon cancer.

Original languageEnglish
Pages (from-to)339-342
Number of pages4
JournalCancer Epidemiology Biomarkers and Prevention
Issue number2
StatePublished - Feb 1 2008

ASJC Scopus subject areas

  • General Medicine


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