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Title: A shared susceptibility locus in PLCE1 at 10q23 for gastric adenocarcinoma and esophageal squamous cell carcinoma.
Authors: Abnet CC,  Freedman ND,  Hu N,  Wang Z,  Yu K,  Shu XO,  Yuan JM,  Zheng W,  Dawsey SM,  Dong LM,  Lee MP,  Ding T,  Qiao YL,  Gao YT,  Koh WP,  Xiang YB,  Tang ZZ,  Fan JH,  Wang C,  Wheeler W,  Gail MH,  Yeager M,  Yuenger J,  Hutchinson A,  Jacobs KB,  Giffen CA,  Burdett L,  Fraumeni JF Jr,  Tucker MA,  Chow WH,  Goldstein AM,  Chanock SJ,  Taylor PR
Journal: Nat Genet
Date: 2010 Sep
PubMed ID: 20729852
PMC ID: PMC2947317
Abstract: We conducted a genome-wide association study of gastric cancer and esophageal squamous cell carcinoma (ESCC) in ethnic Chinese subjects in which we genotyped 551,152 SNPs. We report a combined analysis of 2,240 gastric cancer cases, 2,115 ESCC cases and 3,302 controls drawn from five studies. In logistic regression models adjusted for age, sex and study, multiple variants at 10q23 had genome-wide significance for gastric cancer and ESCC independently. A notable signal was rs2274223, a nonsynonymous SNP located in PLCE1, for gastric cancer (P = 8.40 x 10(-9); per-allele odds ratio (OR) = 1.31) and ESCC (P = 3.85 x 10(-9); OR = 1.34). The association with gastric cancer differed by anatomic subsite. For tumors in the cardia the association was stronger (P = 4.19 x 10(-15); OR = 1.57), and for those in the noncardia stomach it was absent (P = 0.44; OR = 1.05). Our findings at 10q23 could provide insight into the high incidence of both cancers in China.