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10559965epi100892-sup-epi-10-0892r_haiman_supp_tables_1-9.pdf (160.27 kB)

Supplementary Tables 1-9 from Generalizability and Epidemiologic Characterization of Eleven Colorectal Cancer GWAS Hits in Multiple Populations

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posted on 2023-03-31, 13:25 authored by Jing He, Lynne R. Wilkens, Daniel O. Stram, Laurence N. Kolonel, Brian E. Henderson, Anna H. Wu, Loic Le Marchand, Christopher A. Haiman
Supplementary Tables 1-9 from Generalizability and Epidemiologic Characterization of Eleven Colorectal Cancer GWAS Hits in Multiple Populations

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ARTICLE ABSTRACT

Background: Genome-wide association studies (GWAS) in populations of European ancestry have identified several loci that confer an increased risk of colorectal cancer (CRC).Methods: We studied the generalizability of the associations with 11 risk variants for CRC on 8q23 (rs16892766), 8q24 (rs6983267), 9p24 (rs719725), 10p14 (rs10795668), 11q23 (rs3802842), 14q22 (rs4444235), 15q13 (rs4779584), 16q22 (rs9929218), 18q21 (rs4939827), 19q13 (rs10411210), and 20p12 (rs961253) in a multiethnic sample of 2,472 CRC cases, 839 adenoma cases and 4,466 controls comprised of European American, African American, Native Hawaiian, Japanese American, and Latino men and women. Because findings for CRC and adenoma were similar, we combined both groups in the analyses.Results: We confirmed the associations with an increased risk of CRC/adenoma for the 8q24, 11q23 and 15q13 loci in European Americans, and observed significant associations between the 8q24 and 20p12 loci with CRC/adenoma risk in African Americans. Moreover, we found statistically significant cumulative effects of risk alleles on CRC/adenoma risk in all populations (odds ratio [OR] per allele = 1.07–1.09, P ≤ 0.039) except in Japanese Americans (OR = 1.01, P = 0.52). We found heterogeneity in the associations by tumor subsite, age of CRC/adenoma onset, sex, body mass index (BMI), and smoking status for some of the variants.Conclusions: These results provide evidence that the known variants are in aggregate significantly associated with CRC/adenoma risk in multiple populations except Japanese Americans, and the influences may differ across groups defined by clinicopathological characteristics for some variants.Impact: These results underline the importance of studying the epidemiologic architecture of these genetic effects in large and diverse populations. Cancer Epidemiol Biomarkers Prev; 20(1); 70–81. ©2011 AACR.

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