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Gastric cancer risk is reduced by a predominance of antioxidant factors in the oxidative balance: a hospital-based case-control study in Korea
Jimi Kim, Jeonghee Lee, Il Ju Choi, Young-Il Kim, Jeongseon Kim
Epidemiol Health. 2022;44:e2022089.   Published online October 17, 2022
DOI: https://doi.org/10.4178/epih.e2022089
  • 4,139 View
  • 91 Download
  • 5 Web of Science
  • 4 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Gastric carcinogenesis is linked to oxidative stress from both exogenous and endogenous exposures. This study aimed to determine the association between the risk of gastric cancer and the oxidative balance score (OBS), which comprises antioxidant and pro-oxidant factors, including diet and lifestyle.
METHODS
For this hospital-based case-control study, 808 controls and 404 patients with gastric cancer who had clinical records indicating <i>Helicobacter pylori</i> infection and the histological subtype of cancer were recruited. The OBS was determined based on diet and lifestyle factors obtained from a 106-item semiquantitative food frequency questionnaire and a constructed questionnaire. Logistic regression analysis was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs).
RESULTS
A higher OBS was associated with a reduced gastric cancer risk (OR, 0.49; 95% CI <sub>T3 vs. T1,</sub> 0.33 to 0.71; p for trend <0.001). In a subgroup analysis, antioxidant factors showed inverse associations with gastric cancer risk (OR, 0.53; 95% CI <sub>T3 vs. T1,</sub> 0.35 to 0.79; p for trend=0.003). A stronger association with antioxidant factors was observed in patients with intestinal gastric cancer (OR, 0.34; 95% CI <sub>T3 vs. T1,</sub> 0.19 to 0.62; p for trend<0.001) and those with <i>H. pylori</i> infection (OR, 0.57; 95% CI <sub>T3 vs. T1,</sub> 0.37 to 0.88; p for trend=0.014).
CONCLUSIONS
A predominance of antioxidant factors compared to pro-oxidant factors from diet and lifestyle reduced the risk of gastric cancer. The combined effect of oxidative stress, which involves an altered balance between antioxidants and pro-oxidants, is important for modulating the risk of gastric cancer.
Summary
Korean summary
본 연구에서는 한국인 암 발생의 상위권을 차지하는 위암 발병률에 대해 영양소, 식품, 생활습관 등 항산화와 산화촉진 요인으로 구성된 산화 균형 점수(Oxidative Balance Score)와의 연관성을 비교 분석하였습니다. 산화촉진 요인에 비해 항산화 관련 요인에서 위암 발생의 위험이 유의하게 감소함을 나타냈습니다.
Key Message
The aim of this study was to determine the association between the risk of gastric cancer and the oxidative balance score comprising antioxidant and pro-oxidants factors, including diet and lifestyle. We found that predominantly antioxidants from diet and lifestyle, in contrast to pro-oxidants, reduce the risk of gastric cancer.

Citations

Citations to this article as recorded by  
  • Association between oxidative balance score and prostate specific antigen among older US adults
    Jintao Li, Chao Yang, Kui Xiang
    Frontiers in Public Health.2024;[Epub]     CrossRef
  • The systemic oxidative stress score has a prognostic value on gastric cancer patients undergoing surgery
    Xinyu Wang, Limin Zhang
    Frontiers in Oncology.2024;[Epub]     CrossRef
  • An oxidative stress biomarkers predict prognosis in gastric cancer patients receiving immune checkpoint inhibitor
    Guiming Deng, Hao Sun, Rong Huang, Hongming Pan, Yanjiao Zuo, Ruihu Zhao, Zhongze Du, Yingwei Xue, Hongjiang Song
    Frontiers in Oncology.2023;[Epub]     CrossRef
  • Oxidative balance score and risk of cancer: a systematic review and meta-analysis of observational studies
    Motahareh Hasani, Seyedeh Parisa Alinia, Maryam Khazdouz, Sahar Sobhani, Parham Mardi, Hanieh-Sadat Ejtahed, Mostafa Qorbani
    BMC Cancer.2023;[Epub]     CrossRef
The risk of gastric cancer according to changes in smoking status among Korean men
Sung Keun Park, Min-Ho Kim, Chang-Mo Oh, Eunhee Ha, Eun Hye Yang, Woo Yeon Hwang, Ann Hee You, Jae-Hong Ryoo
Epidemiol Health. 2022;44:e2022086.   Published online October 7, 2022
DOI: https://doi.org/10.4178/epih.e2022086
  • 4,062 View
  • 206 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDF
Abstract
OBJECTIVES
Smoking is a risk factor for gastric cancer. Studies have shown that the risk of gastric cancer can vary by smoking status and smoking amount at a single point in time. However, few data have been reported about the effect of changes in smoking status over time on the risk of gastric cancer.
METHODS
This study collected data from the National Health Insurance Corporation in Korea on 97,700 Korean men without gastric cancer who underwent health check-ups from 2002 to 2013. The smoking status (never smoked, quit smoking, and currently smoking) of study participants was assessed in 2003-2004 and 2009, and the results were categorized into 7 groups: never-never, never-quit, never-current, quit-quit, quit-current, current-quit, and current-current. Participants were followed until 2013 to identify incident gastric cancer. A multivariate Cox proportional hazard model was used to calculate adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for incident gastric cancer according to changes in smoking status and smoking amount (pack-years).
RESULTS
Compared with group 1 (never-never), participants currently smoking in 2009 (never-current, quit-current, and current-current) had higher HRs for gastric cancer (never-quit: 1.077; 95% CI, 0.887 to 1.306, never-current: 1.347; 95% CI, 0.983 to1.846, quit-quit: 1.086; 95% CI, 0.863 to 1.366, quit-current: 1.538; 95% CI, 1.042 to 2.269, current-quit: 1.339; 95% CI, 1.077 to 1.666, and current-current: 1.589; 95% CI, 1.355 to 1.864, respectively). The risk for gastric cancer was highest in heavy smokers, followed by moderate smokers.
CONCLUSIONS
In all categories of smoking status, current smoking was associated with the highest risk of gastric cancer. Heavy smoking was associated with an increased risk of gastric cancer, even in former smokers.
Summary
Korean summary
현재 흡연자의 경우 과거 흡연여부와 관계 없이 위암의 위험성이 가장 증가한다. 과거 흡연자의 경우에는 흡연량이 많은 경우에는 위암의 위험성이 증가한다. 이런 결과는 금연이나 흡연량을 줄이는 것이 위암의 위험성을 감소시키는데 매우 중요한 요인이란 것을 확인할 수 있다.
Key Message
Current smoking was associated with an increased risk of gastric cancer, regardless of previous smoking status. Although former smoking was not associated with an increased risk of gastric cancer, former smokers with a history of heavy smoking had an increased risk of gastric cancer. These results suggest that smoking cessation and reducing smoking amounts are both important factors in reducing the risk of gastric cancer.

Citations

Citations to this article as recorded by  
  • Gastric dysplasia in random biopsies: the influence of Helicobacter pylori infection and alcohol consumption in the presence of a lesion
    Ana Isabel Ferreira, Tiago Lima Capela, Vítor Macedo Silva, Sofia Xavier, Pedro Boal Carvalho, Joana Magalhães, José Cotter
    Scandinavian Journal of Gastroenterology.2024; 59(2): 125.     CrossRef

Epidemiol Health : Epidemiology and Health