Target of rapamycin signaling (Homo sapiens)
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Description
TOR signaling is responsible for a cellular reaction towards nutrient and energy availability and hypoxia/stress. The mammalian Target Of Rapamycin (mTOR), a serine/threonine kinase, is the central regulator that consists in two different complexes: a rapamycin-sensitive complex (mTORC1) consisting of mTOR, Raptor and GbetaL that regulates mRNA translation, ribosome biogenesis and autophagy and a second rapamycin-insensitive complex (mTORC2) consisting of mTOR, Rictor GbetaL, Sin1 and Protor 1/2 that regulates survival and a cytoskeletal response.
TOR signaling is highly integrated in other signaling pathways that respond to external conditions, such as the insulin-signaling cascade and AMPK signaling.
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Bibliography
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- Inoki K, Guan KL; ''Complexity of the TOR signaling network.''; Trends Cell Biol, 2006 PubMed Europe PMC Scholia
- Yang Q, Guan KL; ''Expanding mTOR signaling.''; Cell Res, 2007 PubMed Europe PMC Scholia
- Corradetti MN, Guan KL; ''Upstream of the mammalian target of rapamycin: do all roads pass through mTOR?''; Oncogene, 2006 PubMed Europe PMC Scholia
- Sancak Y, Sabatini DM; ''Rag proteins regulate amino-acid-induced mTORC1 signalling.''; Biochem Soc Trans, 2009 PubMed Europe PMC Scholia
- Wullschleger S, Loewith R, Hall MN; ''TOR signaling in growth and metabolism.''; Cell, 2006 PubMed Europe PMC Scholia
- Norrmén C, Figlia G, Lebrun-Julien F, Pereira JA, Trötzmüller M, Köfeler HC, Rantanen V, Wessig C, van Deijk AL, Smit AB, Verheijen MH, Rüegg MA, Hall MN, Suter U; ''mTORC1 controls PNS myelination along the mTORC1-RXRγ-SREBP-lipid biosynthesis axis in Schwann cells.''; Cell Rep, 2014 PubMed Europe PMC Scholia
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