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2017 ; 36
(13
): 1809-1810
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Suppressing mTORC1 on the lysosome
#MMPMID28623241
Raiborg C
; Schink KO
; Stenmark H
EMBO J
2017[Jul]; 36
(13
): 1809-1810
PMID28623241
show ga
The mechanistic target of rapamycin, mTOR, is a protein kinase that integrates
environmental and nutritional inputs into regulation of cell growth and
metabolism. Key outputs of mTOR signalling occur from the lysosome membrane in
the form of the multi?subunit mTOR complex 1 (mTORC1), which phosphorylates
multiple targets. While class I phosphoinositide kinase (PI3K?I) is a well?known
activator of mTORC1, a recent paper (Marat et al, 2017) shows that a class II
PI3K with a different substrate specificity, PI3K?C2?, serves to inhibit mTORC1
on lysosomes under conditions of growth factor deprivation.
|*Lysosomes
[MESH]
|*Mechanistic Target of Rapamycin Complex 1
[MESH]