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Curr Opin Cell Biol. 2005 Dec;17(6):596-603. Epub 2005 Oct 13.

Growing roles for the mTOR pathway.

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  • 1Whitehead Institute, MIT Department of Biology, 9 Cambridge Center, Cambridge, Massachussetts 02142, USA.


The mammalian TOR (mTOR) pathway is a key regulator of cell growth and proliferation and increasing evidence suggests that its deregulation is associated with human diseases, including cancer and diabetes. The mTOR pathway integrates signals from nutrients, energy status and growth factors to regulate many processes, including autophagy, ribosome biogenesis and metabolism. Recent work identifying two structurally and functionally distinct mTOR-containing multiprotein complexes and TSC1/2, rheb, and AMPK as upstream regulators of mTOR is beginning to reveal how mTOR can sense diverse signals and produce a myriad of responses.

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