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AMPK phosphorylation of raptor mediates a metabolic checkpoint.
AMPK is a highly conserved sensor of cellular energy status that is activated under conditions of low intracellular ATP. AMPK responds to energy stress by suppressing cell growth and biosyntheticExpand
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Resveratrol improves health and survival of mice on a high-calorie diet
Resveratrol (3,5,4′-trihydroxystilbene) extends the lifespan of diverse species including Saccharomyces cerevisiae, Caenorhabditis elegans and Drosophila melanogaster. In these organisms, lifespanExpand
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Phosphorylation of ULK1 (hATG1) by AMP-Activated Protein Kinase Connects Energy Sensing to Mitophagy
A protein kinase links energy stores to control of autophagy. Adenosine monophosphate–activated protein kinase (AMPK) is a conserved sensor of intracellular energy activated in response to lowExpand
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The Kinase LKB1 Mediates Glucose Homeostasis in Liver and Therapeutic Effects of Metformin
The Peutz-Jegher syndrome tumor-suppressor gene encodes a protein-threonine kinase, LKB1, which phosphorylates and activates AMPK [adenosine monophosphate (AMP)–activated protein kinase]. TheExpand
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The tumor suppressor LKB1 kinase directly activates AMP-activated kinase and regulates apoptosis in response to energy stress.
AMP-activated protein kinase (AMPK) is a highly conserved sensor of cellular energy status found in all eukaryotic cells. AMPK is activated by stimuli that increase the cellular AMP/ATP ratio.Expand
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The AMPK signalling pathway coordinates cell growth, autophagy and metabolism
One of the central regulators of cellular and organismal metabolism in eukaryotes is AMP-activated protein kinase (AMPK), which is activated when intracellular ATP production decreases. AMPK hasExpand
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The LKB1–AMPK pathway: metabolism and growth control in tumour suppression
In the past decade, studies of the human tumour suppressor LKB1 have uncovered a novel signalling pathway that links cell metabolism to growth control and cell polarity. LKB1 encodes aExpand
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Ras, PI(3)K and mTOR signalling controls tumour cell growth
All eukaryotic cells coordinate cell growth with the availability of nutrients in their environment. The mTOR protein kinase has emerged as a critical growth-control node, receiving stimulatoryExpand
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AMPK Regulates the Circadian Clock by Cryptochrome Phosphorylation and Degradation
Coupling Clocks and Metabolism Circadian clocks in mammals coordinate behavior and physiology with daily light-dark cycles by driving rhythmic transcription of thousands of genes. The master clock inExpand
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The LKB1 tumor suppressor negatively regulates mTOR signaling.
Germline mutations in LKB1, TSC2, or PTEN tumor suppressor genes result in hamartomatous syndromes with shared tumor biological features. The recent observations of LKB1-mediated activation ofExpand
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