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Published on: January 18, 2017
Fusarin C acts like an estrogenic agonist and stimulates breast cancer cells in vitro
T E Sondergaard1, F T Hansen, S Purup
1Faculty of Agricultural Sciences, Department of Animal Health and Bioscience, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark. teis.sondergaard@agrsci.dk
Abstract:
Fusarin C is a mycotoxin produced by several Fusarium species and has been associated with esophageal cancer due to its carcinogenic effects. Here, we report that fusarin C stimulates growth of the breast cancer cell line MCF-7. This suggests that fusarin C can act as an estrogenic agonist and should be classified as a mycoestrogen. MCF-7 cells were stimulated in the range between 0.1 and 20μM and inhibited when the concentration exceeded 50μM. The toxicity of fusarin C is comparable to other mycoestrogens such as zearalenone, but the chemical structure of fusarin C is very different from other known estrogen agonists. Furthermore, the toxicity of fusarin C was tested in five additional human cell lines Caco 2, U266, PC3, MDA-MB-231 and MCF-10a which were all inhibited when the concentration of fusarin C exceeded 10μM. To the best of our knowledge this is the first report on the mycoestrogenic properties of fusarin C.
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