科研之友
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摘要
Background: Acrylamide is a probable human carcinogen that can be formed in foods prepared at high temperatures. Whereas evidence indicates that acrylamide causes cancer in laboratory animals, epidemiologic data on dietary acrylamide intake in relation to cancer risk are limited and mainly null. We examined the association between dietary acrylamide intake and risk of prostate cancer in a cohort of men. Methods: The Cohort of Swedish Men is a population-based prospective study of 45,306 men who were cancer-free and completed a food frequency questionnaire at enrollment in 1997. Cox proportional hazards models were used to estimate relative risks adjusted for potential confounders. Results: During a mean follow-up of 9.1 years, we ascertained 2,696 incident cases of prostate cancer. We observed no association between acrylamide intake and risk of prostate cancer. Compared with the lowest quintile of acrylamide intake (mean, 23.7 mu g/d), the multivariable relative risks (95% confidence interval) for the highest quintile (mean, 49.8 mu g/d) were 0.88 (0.70-1.09) for total prostate cancer, 1.07 (0.87-1.32) for localized prostate cancer (n = 1,088), and 0.98 (0.78-1.22) for advanced prostate cancer (n = 951). Conclusions: Results from this prospective study provide no evidence that dietary acrylamide in amounts typically consumed by Swedish men is associated with risk of prostate cancer. (Cancer Epidemiol Biomarkers Prev 2009;18(6):1939-41)
- 出版日期2009-6
