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FiVe1 is a novel vimentin (VIM) ligand, selectively and irreversibly inhibiting the growth of mesenchymally transformed breast cancer cells and soft tissue sarcomas of diverse histological subtypes.

FiVe1 is a potent vimentin (VIM; the intermediate filament and mesenchymal marker) inhibitor[1]. FiVe1 promotes VIM disorganization and phosphorylation during metaphase, leading to mitotic catastrophe, multinucleation, and the loss of stemness.?FiVe1 selectively and irreversibly inhibits the growth of multiple FOXC2-expressing breast cancer cell lines (HMLER cells (IC50:?267 nM); FOXC2-HMLER cells (IC50:?447 nM). FiVe1 inhibits the migration of mesenchymally transformed cells[1].

[1] Michael J Bollong, et al. A vimentin binding small molecule leads to mitotic disruption in mesenchymal cancers. Proc Natl Acad Sci U S A. 2017 Nov 14;114(46):E9903-E9912. DOI:10.1073/pnas.1716009114