Results 21 to 30 of about 66,391 (264)
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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PIP4kγ is a substrate for mTORC1 that maintains basal mTORC1 signaling during starvation [PDF]
Science Signaling, 2014 A feedback loop involving PIP4kγ and mTORC1 maintains basal mTORC1 activity under nutrient-deprived conditions.
Ashley M, Mackey +4 more
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mTORC1 as the main gateway to autophagy [PDF]
Essays in Biochemistry, 2017 Cells and organisms must coordinate their metabolic activity with changes in their environment to ensure their growth only when conditions are favourable. In order to maintain cellular homoeostasis, a tight regulation between the synthesis and degradation of cellular components is essential.
Rabanal-Ruiz, Yoana +2 more
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Rapamycin inhibits mTORC1, but not completely [PDF]
Autophagy, 2009 Rapamycin is widely used as a complete inhibitor of the mTORC1 nutrient-sensitive signaling complex. Using a novel ATP-competitive inhibitor named Torin1, we have found that many mTORC1 functions that regulate cap-dependent translation and autophagy are resistant to inhibition by rapamycin.
Thoreen, Carson C, Sabatini, David
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PIKFYVE-dependent regulation of MTORC1 and TFEB
Autophagy Reports, 2022 TFEB (transcription factor EB) is essential for the upregulation of gene expression required for macroautophagy/autophagy and lysosomal function. Under nutrient-rich conditions, TFEB is inactivated by MTOR (mechanistic target of rapamycin kinase) complex
Junya Hasegawa +2 more
doaj +1 more source
p38 regulates the tumor suppressor PDCD4 via the TSC-mTORC1 pathway
Cell Stress, 2021 Programmed cell death protein 4 (PDCD4) exerts critical functions as tumor suppressor and in immune cells to regulate inflammatory pro-cesses. The phosphoinositide 3-kinase (PI3K) promotes degradation of PDCD4 via mammalian target of rapamycin complex 1 (
Clarissa Braun +6 more
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p16: cycling off the beaten path
Molecular & Cellular Oncology, 2019 p16INK4A (hereafter called p16) is a faithful cellular ally in the fight against tumorigenesis. Although its canonical pathway through retinoblastoma (RB) is well delineated, RB-independent functions for p16 are beginning to emerge. Here we summarize non-
Raquel Buj, Katherine M. Aird
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A Novel Combination Therapy Approach Targeting STAT3 and Autophagy in Glioblastoma
Autophagy Reports, 2022 The aggressive brain cancer glioblastoma (GBM) is notoriously resistant to radiotherapy and chemotherapy, which drives tumor recurrence and relapse. GBM cells are highly addicted to STAT3 (signal transducer and activator of transcription 3) and STAT3 ...
Sujoy Bhattacharya +2 more
doaj +1 more source
Nutrient regulation of mTORC1 at a glance [PDF]
Journal of Cell Science, 2019 ABSTRACT The mechanistic target of rapamycin (mTOR) signaling pathway coordinates environmental and intracellular cues to control eukaryotic cell growth. As a pivot point between anabolic and catabolic processes, mTOR complex 1 (mTORC1) signaling has established roles in regulating metabolism, translation and autophagy.
Kendall J. Condon, David M. Sabatini
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Autophagy Function and Regulation in Kidney Disease
Biomolecules, 2020 Autophagy is a dynamic process by which intracellular damaged macromolecules and organelles are degraded and recycled for the synthesis of new cellular components.
Gur P. Kaushal +3 more
doaj +1 more source