2-methoxyestradiol induces morpho-functional changes and impairs the microtubular system in mouse neuroblastoma and rat glioma cells (original) (raw)

2010, Archives italiennes de biologie

2-Methoxyestradiol (2ME), a metabolite deriving from 17-beta estradiol, is a well-established antiangiogenic, apoptotic and antiproliferative agent in cell cultures and animal models. 2ME may also exert its cytotoxic activity by interacting with tubulin and by causing an impairment of the microtubular system. The aim of this study was to investigate the relative effectiveness of 2ME on mouse neuroblastoma (C1300) and rat glioma (C6) cell lines in inducing morpho-functional changes and alteration of the microtubular system physiology. Cells, cultured in a medium supplemented with increasing 2ME micromolar concentrations, were submitted to morphological investigations, MTT assay and western blot analysis. 2ME-exposed cell lines displayed in comparison with control cells, morpho-functional changes such as reduction in cell number, a globular/shrunken shape, retraction or absence of cytoplasmic processes, inhibition of cell growth and cell decreased viability. Interestingly, all changes...

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