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Int J Oncol. 2010 Oct;37(4):973-81.

Acacia honey and chrysin reduce proliferation of melanoma cells through alterations in cell cycle progression.

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Department of Biology, Honey Research Center, University of Rome 'Tor Vergata' Via della Ricerca Scientifica 1, I-00133 Rome, Italy.


Honey has long been used in medicine for different purposes. Only recently, however, its antioxidant property and preventive effects against different diseases, such as cancer, have been highlighted. Chrysin (5,7-dihydroxyflavone) is a natural flavone commonly found in acacia honey. It has previously been shown to be an anti-tumor agent. In this study, we investigated the antiproliferative role of honey or chrysin on human (A375) and murine (B16-F1) melanoma cell lines. The results of the 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay and the trypan blue exclusion test showed that both the tested compounds were able to induce an antiproliferative effect on melanoma cells in a dose- and time-dependent manner. Flow cytometry analysis indicated that cytotoxicity induced by honey or chrysin was mediated by G(0)/G(1) cell cycle arrest and induction of hyperploid progression. Our results suggest that the anti-proliferative effects of honey are due mainly to the presence of chrysin. Chrysin may therefore be considered a potential candidate for both cancer prevention and treatment. Further investigation is needed to validate the contribution of chrysin in tumor therapy in vivo.

[Indexed for MEDLINE]

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