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The mammalian target of rapamycin (mTOR) is a serine-threonine kinase which acts as part of two distinct complexes, TORC1 and TORC2. Both complexes (TORC1/2) play central roles in cell growth, gene expression, angiogenesis, and cell survival. Ku-0063794 is a cell-permeable, selective dual inhibitor of mTORC1 and mTORC2 (IC₅₀ = 10 nM). It does not affect the activity of 76 other protein kinases or seven lipid kinases, including PI3Ks. Ku-0063794 inhibits cell growth by inducing G₁-cell cycle arrest and autophagy, but not apoptosis, and inhibits tumor growth in a xenograft model of renal cell carcinoma (8 mg/kg for 46 days).

Ku 0063794 is a specific mammalian target of rapamycin (mTOR) inhibitor and may be used for the treatment of cancers.

ChEBI: A member of the class of pyridopyrimidines that is an mTOR inhibitor and shows anti-tumour properties.

Selective inhibitor of mammalian target of rapamycin (mTOR) (IC 50 ~10 nM for mTORC1 and mTORC2 respectively). Displays no activity at PI 3-kinase or 76 other kinases tested. Inhibits activation and hydrophobic motif phosphorylation of Akt, S6K and SGK, but not RSK. Suppresses cell growth and induces G 1 cell cycle arrest in vitro .

KU 0063794 induces autophagy. It is cell-permeant and suppresses activation and hydrophobic motif phosphorylation of protein kinase B (Akt), p70 ribosomal S6 kinase (S6K) and serum and glucocorticoid protein kinase (SGK).

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