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The epithelial-mesenchymal transition (EMT) induced by chemotherapeutic agents promotes malignant tumor progression; however, the mechanism underlying the drug-induced EMT remains unclear. In this study, we reported that miR-448 is the most downregulated microRNA following chemotherapy. Suppression of miR-448 correlated with EMT induction in breast cancer(More)
The effect of cardiolipin on the proton permeability of dipalmitoyl-phosphatidylcholine small unilamellar vesicles was examined by utilizing the pH-dependent fluorescence emission of 5- (and 6-) carboxyfluorescein. It has been found that the proton permeability of the phospholipid bilayer was greatly enhanced in the presence of cardiolipin, an acidic(More)
We previously reported that treatment with P-glycoprotein (P-gp) substrates promotes in vitro invasion in multidrug-resistant (MDR) breast cancer cells. This effect is initiated by the P-gp pump function and mediated by interaction of P-gp with some unknown component(s). However, the underlying mechanism(s) remains poorly understood. Here we confirm a novel(More)
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