Epidemiology and Health

Special Article

Genetically determined alcohol consumption and cancer risk in Korea: Keum Ji Jung, Ji Woo Baek, Sang Yop Shin, Sun Ha Jee; Epidemiol Health. 2023;45:e2023077. Published online August 23, 2023; DOI: https://doi.org/10.4178/epih.e2023077

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Abstract

OBJECTIVES
The purpose of this study was to determine the causal relationship between the genetically determined amount of alcohol consumption and the occurrence of major cancers.

METHODS

The data used in this study were from 129,324 people selected from the Korean Cancer Prevention Study-II, the participants of which visited 18 health examination centers between 2004 and 2013. Cancer incidence was confirmed as of 2020 using data from the National Cancer Center. A genome-wide association study (GWAS) on alcohol consumption was performed using PLINK 2.0, and sex, age, chip type, and principal components were adjusted.

RESULTS

From the GWAS, a genetic risk score for alcohol consumption was calculated and genetically determined alcohol consumption (GDAC) was estimated. GDAC was divided into quintile groups and showed significant causal relationships with rectal cancer and liver cancer, but not with other cancers. For liver cancer, an association was shown in the hepatitis B surface antigen (HBsAg)-negative group, and a particularly strong association was found in the over-60-year-old HBsAg-negative group, in which, compared to the GDAC Q1 group, the Q4 group had a 2.35 times higher risk (95% confidence interval [CI], 1.05 to 5.23), and the Q5 group had a 2.40 times higher risk (95% CI, 1.09 to 5.30).

CONCLUSIONS

The results of this study provided evidence that the amount of alcohol consumed is causally related to the occurrence of rectal cancer and liver cancer in HBsAg-negative individuals. Additional studies should be continued for other cancer types through long-term follow-up.

Summary

Korean summary
본 연구는 유전적으로 결정되는 음주량과 주요 암 발생 사이의 인과 관계를 밝히고자 하였다. 그 결과 유전적으로 결정되는 음주량이 증가할수록 직장암 발생 위험이 높아졌고, 특히 HBsAg 음성인 사람에서 간암 발생 위험이 높아지는 것으로 밝혀졌다.

Key Message
The purpose of this study was to reveal the causal relationship between genetically determined alcohol consumption and the incidence of major cancers. As a result, it was found that as the genetically determined amount of alcohol consumed increases, the risk of rectal cancer increases, and especially in people who are HBsAg negative, the risk of liver cancer increases.

Citations

Citations to this article as recorded by

A pan-cancer analysis of the prognostic implication and oncogenic role of tubulin epsilon and delta complex 2 (TEDC2) in human tumors
Yang Liu, Jie Zhu, Jing Shen, Yuting Lu, Ke Pan, Chuan Tong, Yao Wang
Frontiers in Immunology.2024;[Epub] CrossRef
Cancer risk based on alcohol consumption levels: a comprehensive systematic review and meta-analysis
Seunghee Jun, Hyunjin Park, Ui-Jeong Kim, Eun Jeong Choi, Hye Ah Lee, Bomi Park, Soon Young Lee, Sun Ha Jee, Hyesook Park
Epidemiology and Health.2023; 45: e2023092. CrossRef

Original Article

Distribution of dense breasts using screening mammography in Korean women: a retrospective observational study: Jong-Myon Bae, Sang Yop Shin, Eun Hee Kim, Yoon-Nam Kim, Chung Mo Nam; Epidemiol Health. 2014;36:e2014027. Published online November 4, 2014; DOI: https://doi.org/10.4178/epih/e2014027

17,537 View
142 Download
14 Web of Science
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Abstract PDF

Abstract

OBJECTIVES
This retrospective observational study evaluated the distribution of dense breasts by age group among healthy Korean women.

METHODS

Participants were women aged 30 years and older who voluntarily underwent screening mammography between January 2007 and December 2011. Women who received the Breast Imaging Reporting and Data System for mammographic density of 3 or 4 were defined as having dense breasts. The proportion of women with dense breasts (PDB, %) was calculated by dividing the number of participants with dense breasts by the total number of participants.

RESULTS

Among the 231,058 women who participated, 78.15% were classified as having dense breasts. PDB was highest in the youngest age group (PDB=94.87%) and lowest in the oldest age group. The greatest difference in PDB between adjacent age groups was observed in the group aged 60-64 years.

CONCLUSIONS

The results show that the proportion of dense breasts by age group increased in all age groups, except in those aged 35-39 years. These findings suggest an association between the age distribution of dense breasts and trends in breast cancer incidence. Further studies are needed to estimate the change in breast cancer incidence rate by age and the accumulation of fatty breast tissue in Korean women.

Summary

Citations

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