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Facilitated anion transport induces hyperpolarization of the cell membrane that triggers differentiation and cell death in cancer stem cells

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Facilitated anion transport potentially represents a powerful tool to modulate various cellular functions. However, research into the biological effects of small molecule anionophores is still at an early stage. Here we have used two potent anionophore molecules inspired in the structure of marine metabolites tambjamines to gain insight into the effect induced by these compounds at the cellular level. We show how active anionophores, capable of facilitating the transmembrane transport of chloride and bicarbonate in model phospholipid liposomes, induce acidification of the cytosol and hyperpolarization of plasma cell membranes. We demonstrate how this combined effect can be used against cancer stem cells (CSCs). Hyperpolarization of cell membrane induces cell differentiation and loss of stemness of CSCs leading to effective elimination of this cancer cell subpopulation.

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Journal of the American Chemical Society, 2015, vol. 137, num. 50, p. 15892-15898

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Articles publicats en revistes (Patologia i Terapèutica Experimental)

# metadata.dc.title[].value
Facilitated anion transport induces hyperpolarization of the cell membrane that triggers differentiation and cell death in cancer stem cells