New developments in AMPK and mTORC1 cross-talk
Journal article
Smiles, William J., Ovens, Ashley J., Kemp, Bruce E., Galic, Sandra, Petersen, Janni and Oakhill, Jonathan S.. (2024). New developments in AMPK and mTORC1 cross-talk. Essays in Biochemistry. 68(3), pp. 321-336. https://doi.org/10.1042/EBC20240007
Authors | Smiles, William J., Ovens, Ashley J., Kemp, Bruce E., Galic, Sandra, Petersen, Janni and Oakhill, Jonathan S. |
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Abstract | Metabolic homeostasis and the ability to link energy supply to demand are essential requirements for all living cells to grow and proliferate. Key to metabolic homeostasis in all eukaryotes are AMPK and mTORC1, two kinases that sense nutrient levels and function as counteracting regulators of catabolism (AMPK) and anabolism (mTORC1) to control cell survival, growth and proliferation. Discoveries beginning in the early 2000s revealed that AMPK and mTORC1 communicate, or cross-talk, through direct and indirect phosphorylation events to regulate the activities of each other and their shared protein substrate ULK1, the master initiator of autophagy, thereby allowing cellular metabolism to rapidly adapt to energy and nutritional state. More recent reports describe divergent mechanisms of AMPK/mTORC1 cross-talk and the elaborate means by which AMPK and mTORC1 are activated at the lysosome. Here, we provide a comprehensive overview of current understanding in this exciting area and comment on new evidence showing mTORC1 feedback extends to the level of the AMPK isoform, which is particularly pertinent for some cancers where specific AMPK isoforms are implicated in disease pathogenesis. |
Keywords | AMPK; cancer; mechanistic target of rapamycin; metabolism; signalling |
Year | 2024 |
Journal | Essays in Biochemistry |
Journal citation | 68 (3), pp. 321-336 |
Publisher | Portland Press Ltd. |
ISSN | 1744-1358 |
Digital Object Identifier (DOI) | https://doi.org/10.1042/EBC20240007 |
PubMed ID | 38994736 |
Scopus EID | 2-s2.0-85205929305 |
Open access | Published as ‘gold’ (paid) open access |
Funder | National Health and Medical Research Council (NHMRC) |
Publisher's version | License File Access Level Open |
Output status | Published |
Publication dates | |
Online | 18 Nov 2024 |
Publication process dates | |
Accepted | 28 Jun 2024 |
Deposited | 29 Jan 2025 |
Grant ID | 1161262 |
https://acuresearchbank.acu.edu.au/item/9134v/new-developments-in-ampk-and-mtorc1-cross-talk
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Publisher's version
OA_Smiles_2024_New_developments_in_AMPK_and_mTORC1.pdf | |
License: CC BY 4.0 | |
File access level: Open |
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