Results 11 to 20 of about 108,192 (330)
MNK Controls mTORC1:Substrate Association through Regulation of TELO2 Binding with mTORC1 [PDF]
Cell Reports, 2017 The mechanistic target of rapamycin (mTOR) integrates numerous stimuli and coordinates the adaptive response of many cellular processes. To accomplish this, mTOR associates with distinct co-factors that determine its signaling output. While many of these
Michael C. Brown, Matthias Gromeier
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médecine/sciences, 2013 mTOR (mammalian target of rapamycin), a protein kinase highly conserved, is the catalytic subunit of two complexes, mTORC1 and mTORC2. These complexes are regulated by amino acids availability, by insulin and growth factors signaling pathways. Thus, mTORC1 and mTORC2 complexes are essential sensors of the cellular nutrient and energy levels in living ...
Pauline Tartarin, Pascal Froment
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Glutaminolysis feeds mTORC1 [PDF]
Cell Cycle, 2012 Glutamine is an important amino acid from a metabolic point of view. As an amino acid and a precursor for other amino acids, it sustains protein synthesis. It is also required for production of nucleotides (pyrimidines) and α-ketoglutarate (αKG). αKG is produced via double deamination of glutamine, a process termed glutaminolysis. Glutamine is first de-
Raúl V. Durán, Michael N. Hall
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Regulation of nuclear mTORC1 [PDF]
Molecular & Cellular Oncology, 2021 mTORC1 integrates diverse upstream signals to control cell growth and metabolism. We previously showed that mTORC1 activity is spatially compartmentalized to ensure its signaling specificity. In a recently published study, we demonstrated the existence of mTORC1 activity in the nucleus and identified a unique mode of its regulation in the nuclear ...
Xin Zhou, Yanghao Zhong, Jin Zhang
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Spatiotemporal feedforward between PKM2 tetramers and mTORC1 prompts mTORC1 activation
Physical Biology, 2022 Abstract Most mammalian cells couple glucose availability to anabolic processes via the mTORC1 pathway. However, the mechanism by which fluctuations in glucose availability are rapidly translated into mTORC1 signals remains elusive. Here, we show that cells rapidly respond to changes in glucose availability through the spatial coupling ...
Yu Xia +3 more
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Cancer Cell, 2014 A lysosome-based mechanism of amino acid sensing by mTORC1 regulated by Rag GTPases has emerged. In this issue of Cancer Cell, Thomas and colleagues propose a Golgi-based and Rag-independent mechanism mediated by the Rab1A GTPase. Furthermore, Rab1A overexpression in colorectal cancers correlates with mTORC1 activity and sensitivity to mTOR inhibitors.
Sanchez-Gurmaches, Joan +1 more
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mTORC1 maintains metabolic balance [PDF]
Cell Research, 2015 Anticancer therapeutics aimed at the inhibition of mTORC1 activity shift metabolism to favor the degradation of extracellular proteins. Recently Thompson and colleagues demonstrated a novel regulatory mechanism whereby mTORC1 plays a distinct role as a key regulator of metabolism depending on the environmental nutrient status.
Heesun, Cheong, Daniel J, Klionsky
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Glutaminolysis Activates Rag-mTORC1 Signaling [PDF]
Molecular Cell, 2012 Amino acids control cell growth via activation of the highly conserved kinase TORC1. Glutamine is a particularly important amino acid in cell growth control and metabolism. However, the role of glutamine in TORC1 activation remains poorly defined. Glutamine is metabolized through glutaminolysis to produce α-ketoglutarate.
Durán, R. V. +6 more
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PRAS40 suppresses atherogenesis through inhibition of mTORC1-dependent pro-inflammatory signaling in endothelial cells [PDF]
, 2019 Endothelial pro-inflammatory activation plays a pivotal role in atherosclerosis, and many pro-inflammatory and atherogenic signals converge upon mechanistic target of rapamycin (mTOR).
Althoff, Till F. +14 more
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Covalent targeting of the vacuolar H+-ATPase activates autophagy via mTORC1 inhibition. [PDF]
, 2019 Autophagy is a lysosomal degradation pathway that eliminates aggregated proteins and damaged organelles to maintain cellular homeostasis. A major route for activating autophagy involves inhibition of the mTORC1 kinase, but current mTORC1-targeting ...
Berdan, Charles A +7 more
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