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Title: Genome-wide association study identifies variants in the ABO locus associated with susceptibility to pancreatic cancer.
Authors: Amundadottir L,  Kraft P,  Stolzenberg-Solomon RZ,  Fuchs CS,  Petersen GM,  Arslan AA,  Bueno-de-Mesquita HB,  Gross M,  Helzlsouer K,  Jacobs EJ,  LaCroix A,  Zheng W,  Albanes D,  Bamlet W,  Berg CD,  Berrino F,  Bingham S,  Buring JE,  Bracci PM,  Canzian F,  Clavel-Chapelon F,  Clipp S,  Cotterchio M,  de Andrade M,  Duell EJ,  Fox JW Jr,  Gallinger S,  Gaziano JM,  Giovannucci EL,  Goggins M,  González CA,  Hallmans G,  Hankinson SE,  Hassan M,  Holly EA,  Hunter DJ,  Hutchinson A,  Jackson R,  Jacobs KB,  Jenab M,  Kaaks R,  Klein AP,  Kooperberg C,  Kurtz RC,  Li D,  Lynch SM,  Mandelson M,  McWilliams RR,  Mendelsohn JB,  Michaud DS,  Olson SH,  Overvad K,  Patel AV,  Peeters PH,  Rajkovic A,  Riboli E,  Risch HA,  Shu XO,  Thomas G,  Tobias GS,  Trichopoulos D,  Van Den Eeden SK,  Virtamo J,  Wactawski-Wende J,  Wolpin BM,  Yu H,  Yu K,  Zeleniuch-Jacquotte A,  Chanock SJ,  Hartge P,  Hoover RN
Journal: Nat Genet
Date: 2009 Sep
Branches: BB, CGR, EBP, HGP, LTG, NEB
PubMed ID: 19648918
PMC ID: PMC2839871
Abstract: We conducted a two-stage genome-wide association study of pancreatic cancer, a cancer with one of the lowest survival rates worldwide. We genotyped 558,542 SNPs in 1,896 individuals with pancreatic cancer and 1,939 controls drawn from 12 prospective cohorts plus one hospital-based case-control study. We conducted a combined analysis of these groups plus an additional 2,457 affected individuals and 2,654 controls from eight case-control studies, adjusting for study, sex, ancestry and five principal components. We identified an association between a locus on 9q34 and pancreatic cancer marked by the SNP rs505922 (combined P = 5.37 x 10(-8); multiplicative per-allele odds ratio 1.20; 95% confidence interval 1.12-1.28). This SNP maps to the first intron of the ABO blood group gene. Our results are consistent with earlier epidemiologic evidence suggesting that people with blood group O may have a lower risk of pancreatic cancer than those with groups A or B.