Journal
TOXICOLOGY IN VITRO
Volume 46, Issue -, Pages 313-322Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tiv.2017.10.025
Keywords
Melanoma; Flubendazole; Microtubules; Mitotic catastrophe, apoptosis
Categories
Funding
- program PROGRESS [Q40 01]
- SVV of Charles University, Faculty of Medicine in Hradec Kralove
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Flubendazole (FLU) is a widely used anthelmintic drug belonging to benzimidazole group. Recently, several studies have been published demonstrating its potential to inhibit growth of various tumor cells including those derived from colorectal cancer, breast cancer or leukemia via several mechanisms. In the present study we have investigated cytotoxic effects of FLU on malignant melanoma using A-375, BOWES and RPMI-7951 cell lines representing diverse melanoma molecular types. In all three cell lines, FLU inhibited cell growth and proliferation and disrupted microtubule structure and function which was accompanied by dramatic changes in cellular morphology. In addition, FLU-treated cells accumulated at the G2/M phase of cell cycle and displayed the features of mitotic catastrophe characterized by formation of giant cells with multiple nuclei, abnormal spindles and subsequent apoptotic demise. Although this endpoint was observed in all treated melanoma lines, our analyses showed different activated biochemical signaling in particular cells, thus suggesting a promising treatment potential of FLU in malignant melanoma warranting its further testing.
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