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Search: WFRF:(Donat Vargas Carolina) > (2017)

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  • Donat-Vargas, Carolina, et al. (author)
  • Dietary polychlorinated biphenyls, long-chain n-3 polyunsaturated fatty acids and incidence of malignant melanoma.
  • 2017
  • In: European Journal of Cancer. - : Elsevier BV. - 0959-8049 .- 1879-0852. ; 72, s. 137-143
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: For malignant melanoma, other risk factors aside from sun exposure have been hardly explored. Polychlorinated biphenyls (PCBs)-mainly from fatty fish- may affect melanogenesis and promote melanoma progression, while long-chain n-3 polyunsaturated fatty acids seem to exert antineoplastic actions in melanoma cells.OBJECTIVES: We aimed to assess the association of validated estimates of dietary PCB exposure as well as the intake of eicosapentaenoic acid and docosahexaenoic acid (EPA-DHA), accounting for sun habits and skin type, with the risk of malignant melanoma in middle-aged and elderly women.METHODS: We included 20,785 women at baseline in 2009 from the prospective population-based Swedish Mammography Cohort. Validated estimates of dietary PCB exposure and EPA-DHA intake were obtained via a food frequency questionnaire. Incident melanoma cases were ascertained through register-linkage.RESULTS: During 4.5 years of follow-up, we ascertained 67 incident cases of melanoma. After multivariable adjustments, exposure to dietary PCBs was associated with four-fold increased risk of malignant melanoma (hazard ratio [HR], 4.0 [95% confidence interval {CI}, 1.2-13; P for trend = 0.02]), while EPA-DHA intake was associated with 80% lower risk (HR, 0.2 [95% CI, 0.1-0.8; P for trend = 0.03]), comparing the highest exposure tertiles with the lowest.CONCLUSION: While we found a direct association between dietary PCB exposure and risk of melanoma, EPA-DHA intake showed to have a substantial protective association. Question of benefits and risk from fish consumption is very relevant and further prospective studies in the general population verifying these findings are warranted.
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journal article (1)
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peer-reviewed (1)
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Wolk, Alicja (1)
Donat-Vargas, Caroli ... (1)
Berglund, Marika (1)
Glynn, Anders (1)
Åkesson, Agneta (1)
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Uppsala University (1)
Karolinska Institutet (1)
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English (1)
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