WYE-125132

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Description

WYE-125132 is a highly potent, ATP-competitive and specific mTOR kinase inhibitor with an IC50 of 0.19 nM. WYE-125132 blocked the activity of the both of mTORC1 and mTORC2 in various models of cancer in vitro and in vivo. WYE-125132 is 5,000-fold more selective than PI3Ks. Moreover, WYE-125132 completely blocked amino acid-induced phosphorylation of Maf1, just as S6K1, and 4E-BP1 via the inhibition of mTOR. WYE-132-treated MG63 markedly upregulated the Maf1 amouts in the nucleus. WYE-125132 showed a substantially more effective inhibition in many respects, including cancer cell growth and survival, protein synthesis bioenergetic metabolism, and adaptation to hypoxia by contrast with the rapalog temsirolimus/CCI-779.

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