Bidirectional crosstalk between endoplasmic reticulum stress and mTOR signaling

Appenzeller-Herzog, Christian and Hall, Michael N.. (2012) Bidirectional crosstalk between endoplasmic reticulum stress and mTOR signaling. Trends in Cell Biology, 22 (5). pp. 272-282.

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Official URL: http://edoc.unibas.ch/dok/A6002707

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Many cellular processes including apoptosis, autophagy, translation, energy metabolism, and inflammation are controlled by the mammalian target of rapamycin (mTOR) kinase and the endoplasmic reticulum (ER) stress pathway, also known as the unfolded protein response (UPR). Although both of these signaling nodes have attracted wide attention in fundamental cell biology and drug discovery, crosstalk between the two pathways has emerged only very recently. mTOR complex 1 (mTORC1) operates both upstream and downstream of ER stress signals, which can either enhance or antagonize the anabolic output of mTORC1. Upon prolonged ER stress, mTORC1 contributes to apoptotic signaling by suppressing the survival kinase Akt through feedback inhibition. Likewise, chronic ER stress obstructs activation of Akt by mTOR complex 2. This review surveys our knowledge of mTOR-ER stress intersections and highlights potential therapeutic implications.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Growth & Development > Biochemistry (Hall)
UniBasel Contributors:Hall, Michael N. and Appenzeller, Christian
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Nov 2017 14:19
Deposited On:14 Sep 2012 07:16

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