期刊
EUROPEAN JOURNAL OF CANCER PREVENTION
卷 21, 期 2, 页码 193-198出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CEJ.0b013e32834c9be5
关键词
aldehyde dehydrogenase 2; case-control study; folate; gene-environment interaction; head and neck cancer; polymorphism
类别
资金
- Ministry of Education, Culture, Sports, Science, and Technology of Japan [221S0001]
- Ministry of Health, Labour and Welfare of Japan
- Japan Society for the promotion of Science
- Grants-in-Aid for Scientific Research [221S0001] Funding Source: KAKEN
Folate consumption is inversely associated with the risk of oral and pharyngeal cancer (OPC) and potentially interacts with alcohol drinking in the risk of OPC. Aldehyde dehydrogenase 2 (ALDH2) gene polymorphism is known to interact with alcohol consumption. The aim of this study was to investigate potential interaction between folate, alcohol drinking, and ALDH2 polymorphism in the risk of OPC in a Japanese population. The study group comprised 409 head and neck cancer cases and 1227 age-matched and sex-matched noncancer controls; of these, 251 cases and 759 controls were evaluated for ALDH rs671 polymorphism. Associations were assessed by odds ratios and 95% confidence intervals in multiple logistic regression models. We observed an inverse association between folate consumption and OPC risk. The odds ratio for high folate intake was 0.53 (95% confidence interval: 0.36-0.77) relative to low intake (P trend=0.003). This association was consistent across strata of sex, age, smoking, and ALDH2 genotypes. Interaction between folate consumption, drinking, and ALDH2 genotype was remarkable (three-way interaction, P < 0.001). We observed significant interaction among folate, drinking, and ALDH2 genotype in the Japanese population. European Journal of Cancer Prevention 21: 193-198 (C) 2012 Wolters Kluwer Health | Lippincott Williams & Wilkins.
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