Journal
CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION
Volume 24, Issue 1, Pages 249-254Publisher
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1055-9965.EPI-14-0935
Keywords
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Funding
- Ministry of Education, Science, Sports, Culture, and Technology of Japan
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Background: It has been hypothesized that alteration of hormone systems is involved in the carcinogenesis of acrylamide. The aim of the present study was to examine the cross-sectional associations between dietary acrylamide intake and sex hormone levels in premenopausal Japanese women. Methods: Study subjects were 393 women who had regular menstrual cycles less than 40 days long. Acrylamide intake was assessed with a food-frequency questionnaire and was based on acrylamide concentration reported from analyses of Japanese foods. We measured the plasma concentrations of estradiol, testosterone, dehydroepiandrosterone sulfate, sex hormone-binding globulin, follicle-stimulating hormone, luteinizing hormone, and prolactin. Results: After controlling for age, the phase of the menstrual cycle, and other covariates, acrylamide intake was statistically significantly inversely associated with total and free estradiol levels and statistically significantly positively associated with follicle-stimulating hormone level. Total and free estradiol levels were 18.2% and 19.3% lower, respectively, in women in the highest quartile of acrylamide intake than in those in the lowest quartile of intake. Follicle-stimulating hormone levels were 23.5% higher in women in the highest quartile of acrylamide intake than in those in the lowest quartile of intake. Conclusion: The data suggest that acrylamide intake may alter estradiol and follicle-stimulating hormone levels. Impact: High estradiol levels have been associated with an increased risk of breast cancer. Although the results need confirmation, they highlight the need to investigate the relationships among dietary acrylamide, sex hormones, and breast cancer risk. (C) 2014 AACR.
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