AMPK as a mediator of tissue preservation: time for a shift in dogma?


Journal

Nature reviews. Endocrinology
ISSN: 1759-5037
Titre abrégé: Nat Rev Endocrinol
Pays: England
ID NLM: 101500078

Informations de publication

Date de publication:
17 May 2024
Historique:
accepted: 19 04 2024
medline: 18 5 2024
pubmed: 18 5 2024
entrez: 17 5 2024
Statut: aheadofprint

Résumé

Ground-breaking discoveries have established 5'-AMP-activated protein kinase (AMPK) as a central sensor of metabolic stress in cells and tissues. AMPK is activated through cellular starvation, exercise and drugs by either directly or indirectly affecting the intracellular AMP (or ADP) to ATP ratio. In turn, AMPK regulates multiple processes of cell metabolism, such as the maintenance of cellular ATP levels, via the regulation of fatty acid oxidation, glucose uptake, glycolysis, autophagy, mitochondrial biogenesis and degradation, and insulin sensitivity. Moreover, AMPK inhibits anabolic processes, such as lipogenesis and protein synthesis. These findings support the notion that AMPK is a crucial regulator of cell catabolism. However, studies have revealed that AMPK's role in cell homeostasis might not be as unidirectional as originally thought. This Review explores emerging evidence for AMPK as a promoter of cell survival and an enhancer of anabolic capacity in skeletal muscle and adipose tissue during catabolic crises. We discuss AMPK-activating interventions for tissue preservation during tissue wasting in cancer-associated cachexia and explore the clinical potential of AMPK activation in wasting conditions. Overall, we provide arguments that call for a shift in the current dogma of AMPK as a mere regulator of cell catabolism, concluding that AMPK has an unexpected role in tissue preservation.

Identifiants

pubmed: 38760482
doi: 10.1038/s41574-024-00992-y
pii: 10.1038/s41574-024-00992-y
doi:

Types de publication

Journal Article Review

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

© 2024. Springer Nature Limited.

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Auteurs

Henning Tim Langer (HT)

Division of Endocrinology, Weill Department of Medicine, Weill Cornell Medicine, New York, NY, USA. henning.langer@gmail.com.
Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riβ, Germany. henning.langer@gmail.com.

Maria Rohm (M)

Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.
Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.
German Center for Diabetes Research (DZD), Neuherberg, Germany.

Marcus DaSilva Goncalves (MD)

Division of Endocrinology, Weill Department of Medicine, Weill Cornell Medicine, New York, NY, USA.

Lykke Sylow (L)

Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.

Classifications MeSH