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The U-shaped association between body mass index and gastric cancer risk in the Helicobacter pylori Biomarker Cohort Consortium: A nested case-control study from eight East Asian cohort studies

 Jieun Jang  ;  Tianyi Wang  ;  Hui Cai  ;  Fei Ye  ;  Gwen Murphy  ;  Taichi Shimazu  ;  Philip R Taylor  ;  You-Lin Qiao  ;  Keun-Young Yoo  ;  Sun Ha Jee  ;  Jeongseon Kim  ;  Sheau-Chiann Chen  ;  Christian C Abnet  ;  Shoichiro Tsugane  ;  Wei Zheng  ;  Xiao-Ou Shu  ;  Michael Pawlita  ;  Sue K Park  ;  Meira Epplein 
 INTERNATIONAL JOURNAL OF CANCER, Vol.147(3) : 777-784, 2020-08 
Journal Title
Issue Date
Helicobacter pylori ; biomarkers ; body mass index ; noncardia gastric cancer ; stomach
The association between body mass index (BMI) and noncardia gastric cancer (NCGC) risk remains controversial. The purpose of our study was to examine the association of BMI with NCGC risk with consideration of Helicobacter pylori (HP) biomarkers. This international nested case-control study, composed of 1,591 incident NCGC cases and 1,953 matched controls, was established from eight cohorts in China, Japan and Korea, where the majority of NCGCs are diagnosed worldwide. HP antibody biomarkers were measured in blood collected at cohort enrollment by multiplex serology. The NCGC risk according to baseline BMI was estimated using logistic regression to produce odds ratios (ORs) and 95% confidence intervals (CIs). We found a U-shaped association between BMI category and NCGC risk. Compared to those with reference BMI (22.6-25.0 kg/m2 ), those with lower and higher BMI had an increased NCGC risk (BMI <18.5 kg/m2 , OR = 1.56, 95% CI = 1.04-2.34; BMI >27.5 kg/m2 , OR = 1.48, 95% CI = 1.15-1.91; adjusted for age, sex and smoking). The U-shaped association was persistent among subjects with HP infection and high-risk biomarkers (HP+ CagA+: BMI <18.5 kg/m2 , OR = 1.60, 95% CI = 1.00-2.55; BMI >27.5 kg/m2 , OR = 1.59, 95% CI = 1.21-2.11; and Omp+ HP0305+: BMI <18.5 kg/m2 , OR = 1.88, 95% CI = 1.04-3.42; BMI >27.5 kg/m2 , OR = 1.70, 95% CI = 1.20-2.42, respectively). Our study provides evidence of significantly increased NCGC risk among individuals with low or high BMI, including in subjects with high-risk HP biomarkers (HP+ CagA+, Omp+ HP0305+) in the high-risk area of East Asia.
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4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Jee, Sun Ha(지선하) ORCID logo https://orcid.org/0000-0001-9519-3068
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