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γ-Glutamyltransferase and cancer risk: The Korean cancer prevention study

Authors
 Yejin Mok  ;  Dong-Koog Son  ;  Young Duk Yun  ;  Sun Ha Jee  ;  Jonathan M. Samet 
Citation
 INTERNATIONAL JOURNAL OF CANCER, Vol.138(2) : 311-319, 2016 
Journal Title
 INTERNATIONAL JOURNAL OF CANCER 
ISSN
 0020-7136 
Issue Date
2016
MeSH
Adult ; Aged ; Aged, 80 and over ; Biomarkers, Tumor/blood* ; Cohort Studies ; Female ; Humans ; Incidence ; Korea/epidemiology ; Male ; Middle Aged ; Neoplasms/epidemiology* ; Proportional Hazards Models ; Young Adult ; gamma-Glutamyltransferase/blood*
Keywords
cancer ; cohort study ; γ-Glutamyltransferase
Abstract
Elevated serum γ-glutamyltransferase (GGT) is a marker of hepatic injury and is associated with risk of chronic disease. However, the value of GGT as a biomarker for cancer risk remains unclear. Therefore, we evaluated the association of serum GGT with cancer incidence among more than 1.6 million Koreans. We included 1,662,087 Koreans (1,108,121 men and 553,966 women aged 20-95 years) who received health insurance from the National Health Insurance Service and had a biennial medical evaluation between 1995 and 1998. Follow-up was through December 2012. Using Cox proportional hazards models, we adjusted for age, smoking status, alcohol consumption, exercise and body mass index after exclusion of early cases (cancer diagnosis or death within 5 years of starting follow-up) and estimated hazard ratios (HRs) of overall and organ-specific cancer incidence by GGT quintiles. During the 17-year follow-up, 129,087 new cancer cases occurred among the participants. Across levels of GGT, there was a positive gradient of HR and the highest quintile of GGT (≥ 60 IU/L) had the highest HR for all cancers in both men and women. By cancer site, the association was strongest for liver cancer, comparing the highest and lowest strata in men [HR, 6.67; 95% confidence interval (95%CI), 5.88-7.57] and in women (HR, 7.57; 95%CI, 6.41-8.94). Significant associations were also observed for cancers of the esophagus, larynx, stomach, colorectal, bile duct and lung in men and of the bile duct in women. Increased serum GGT level is independently associated with risk of cancer
DOI
10.1002/ijc.29659
Appears in Collections:
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
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/152836
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