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MTOR — PI3
Text-mined interactions from Literome
Sekulić et al., Cancer Res 2000
:
The
involvement of
phosphoinositide 3'-kinase (PI3K) in the regulation of
mTOR activity was further suggested by findings that mTOR was phosphorylated in vitro and in vivo by the PI3K regulated protein kinase, AKT/PKB
Pham et al., J Cell Biochem 2000
:
In several cell lines,
mTOR or its downstream targets can be
regulated by
phosphatidylinositol (PI) 3-kinase ; protein kinases A, B, and C ; heterotrimeric G-proteins ; a PD98059-sensitive kinase or calcium ; as well as by amino acids
Pawelczyk et al., Exp Cell Res 2003
(Diabetes Mellitus, Experimental...) :
Exposure of rat lymphocytes to wortmannin, an inhibitor of
phosphatidylinositol 3-kinase (PI3K) , or rapamycin, an
inhibitor of
mTOR , did not affect the ability of insulin to stimulate expression of AK
Gual et al., Diabetologia 2003
:
Moreover, inhibition of
mTOR led to a persistent
PI 3-kinase activation by insulin
Doi et al., Biochem Biophys Res Commun 2003
:
The isoleucine effect on glucose uptake was mediated by
phosphatidylinositol 3-kinase (PI3K) , but was
independent of
mammalian target of rapamycin (mTOR)
Kim et al., J Pharmacol Exp Ther 2004
:
The
phosphatidylinositol 3-kinase (PI3K) inhibitors, wortmannin and LY294002 [ 2- ( 4-morpholinyl ) -9-phenyl-4H-1-benzopyran-4-one ], dominant negative Akt, or rapamycin, an
inhibitor of
mTOR ( mammalian target of rapamycin ) and ribosomal p70 S6 kinase (p70S6K) phosphorylation, inhibited the insulin mediated increase in GCLC protein and GSH levels
Roux et al., Proc Natl Acad Sci U S A 2004
(MAP Kinase Signaling System...) :
Phosphatidylinositol 3-kinase (PI3K) inactivates the tumor suppressor complex and
enhances mTOR signaling by means of phosphorylation of tuberin by Akt
Kim et al., J Pharmacol Exp Ther 2006
:
Treatment of cells with the
phosphatidylinositol 3-kinase (PI3K) inhibitors wortmannin and LY294002 [ 2- ( 4-morpholinyl ) -8-phenyl-4H-1-benzopyran-4-one ] or rapamycin, an
inhibitor of
mammalian target of rapamycin and ribosomal p70 S6 kinase (p70S6K) phosphorylation, or with an adenovirus containing green fluorescent protein and a dominant negative and kinase-dead Akt, effectively inhibited the insulin mediated increase in alpha-class GST expression and GST activity toward NBD
Patterson et al., Bioelectromagnetics 2006
:
Inhibition of
PI3-kinase activity with the chemical inhibitor LY294002
blocked PEMF dependent activation of
mTOR in both the pre-osteoblast and fibroblast cell lines
Solà-Villà et al., Kidney Int 2006
:
SB 203580, a p38 mitogen activated protein kinase inhibitor, weakly inhibited the induction of VEGF by IL-1beta in a concentration dependent manner, whereas LY 294002, a
phosphoinoside 3-kinase (PI3-K) inhibitor, and rapamycin, a
mammalian target of rapamycin (mTOR) inhibitor , strongly inhibited both IL-1beta- and tumor necrosis factor-alpha induced VEGF formation in a concentration dependent manner
Ballou et al., J Biol Chem 2007
:
Several small molecules such as LY294002 inhibit
mTOR kinase activity, but they also
inhibit phosphatidylinositol 3-kinase (PI3K) at similar concentrations
Peffley et al., Arch Biochem Biophys 2007
(Neoplasms) :
Suppressive effects were similar to or greater than that observed with a
PI3 kinase inhibitor or rapamycin, an
mTOR inhibitor
Kumar et al., Mol Cell Biol 2008
:
Since little is known about the
role of either rictor or
mTORC2 in
PI-3 kinase mediated physiological processes in adult animals, we generated muscle-specific rictor knockout mice
Alam et al., Endocrinology 2009
:
These results indicate that FSH stimulated HIF-1 activation leading to up-regulation of targets such as vascular endothelial growth factor requires not only
PI3-kinase/AKT mediated activation of
mammalian target of rapamycin as well as phosphorylation of FOXO1 and possibly MDM2 but also a protein ( kinase ) activity that is inhibited by the classic ERK kinase inhibitor PD98059 but not ERK1/2 or 5
Tzatsos et al., J Biol Chem 2009
:
However, under diabetic mimicking conditions
mTOR inhibits
phosphatidylinositol (PI) 3-kinase/Akt signaling by phosphorylating insulin receptor substrate-1 (IRS-1) at Ser-636/639 ... Overall, these data provide new insights in the molecular mechanisms by which
mTORC1 inhibits
PI 3-kinase/Akt signaling at the level of IRS-1 and suggest that mTOR signaling toward Akt is scaffold dependent
Lipinski et al., Dev Cell 2010
(MAP Kinase Signaling System) :
In a genome-wide human siRNA screen, we demonstrate that under normal nutrient conditions upregulation of autophagy requires the type III
PI3 kinase, but not
inhibition of
mTORC1 , the essential negative regulator of starvation induced autophagy
Banerjee et al., Mol Cancer Ther 2011
(Disease Models, Animal...) :
Third, the incomplete suppression of Nf1-deficient glial cell proliferation in vivo following 5 mg/kg/day rapamycin treatment reflects mTOR mediated AKT activation, such that combined 5 mg/kg/day rapamycin and
PI3-kinase (PI3K) inhibition or dual
PI3K/mTOR inhibition recapitulates the growth suppressive effects of 20 mg/kg/day rapamycin
Reyes-Gordillo et al., Am J Pathol 2011
(Liver Cirrhosis) :
The lack of AKT phosphorylation was not due to the inhibition of PDGF-ßr phosphorylation, the
activation of
phosphoinositide 3-kinase (PI3K) , pyruvate dehydrogenase kinase isozyme 1 ( PDK1 ), and
mammalian target of rapamycin (mTOR)
Sheriff et al., Mol Cell Endocrinol 2012
(Burns...) :
PI3 kinase inhibition by LY294002 and
mTOR inhibition by rapamycin blocked the reversal of the anti-anabolic effects of TNF+IFN treated myotubes by DAG
Bhattacharya et al., Cancer Biol Ther 2012
(Stomach Neoplasms) :
In AGS cells,
PI3K inhibition alone
enhanced 5-FU sensitivity as much as dual
PI3K/mTOR inhibition
Ögmundsdóttir et al., PloS one 2012
:
Mammalian Target of Rapamycin Complex 1 ( mTORC1 ) is
activated by growth factor regulated
phosphoinositide 3-kinase (PI3K)/Akt/Rheb signalling and extracellular amino acids ( AAs ) to promote growth and proliferation
Razmara et al., Cell communication and signaling : CCS 2013
:
Inhibition of
phosphatidylinositol 3-kinase (PI3K) inhibited PDGF-BB activation of both
mTORC1 and mTORC2 ... Inhibition of
phosphatidylinositol 3-kinase (PI3K) inhibited PDGF-BB activation of both mTORC1 and
mTORC2
Fortress et al., Learn Mem 2013
(MAP Kinase Signaling System) :
Here, we asked whether the enhancement of object recognition memory consolidation produced by dorsal hippocampal infusion of 17ß-estradiol ( E ( 2 ) ) is dependent on mTOR signaling in the dorsal hippocampus, and whether E ( 2 ) -induced
mTOR signaling is
dependent on dorsal hippocampal
phosphatidylinositol 3-kinase (PI3K) and extracellular signal regulated kinase ( ERK ) activation
Muise-Helmericks et al., J Biol Chem 1998
:
PI 3-kinase inhibitors such as wortmannin and LY294002, and rapamycin, an
inhibitor of
FRAP/TOR , cause a decline in the level of D-cyclins, whereas inhibitors of mitogen activated protein kinase kinase and farnesyltransferase do not