MPT0B098 is a potent microtubule inhibitor through binding to the colchicine-binding site of tubulin. MPT0B098 is active against the growth of various human cancer cells, including chemoresistant cells with IC50 values ranging from 70 to 150 nmol/L. MPT0B098 arrests cells in the G2A-M phase and subsequently induces cell apoptosis. In addition, MPT0B098 effectively suppresses VEGF-induced cell migration and capillary-like tube formation of HUVECs. Distinguished from other microtubule inhibitors, MPT0B098 not only inhibited the expression levels of HIF-1alpha protein but also destabilized HIF-1alpha mRNA. The mechanism of causing unstable of HIF-1alpha mRNA by MPT0B098 is through decreasing RNA-binding protein, HuR, translocation from the nucleus to the cytoplasm. Notably, MPT0B098 effectively suppresses tumor growth and microvessel density of tumor specimens in vivo. Taken together, our results provide a novel mechanism of inhibiting HIF-1alpha of a microtubule inhibitor MPT0B098. MPT0B098 is......
Molecular Weight:
366.43
CAS Number:
[1254363-89-7]
Formula:
C20H18N2O3S
Target:
Others
T71116
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