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Cited by 784

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

AMP‐activated protein kinase: the energy charge hypothesis revisited

Hardie, D. Grahame, Hawley, Simon A.·2001·BioEssays

Abstract

The AMP‐activated protein kinase cascade is a sensor of cellular energy charge, and its existence provides strong support for the energy charge hypothesis first proposed by Daniel Atkinson in the 1960s. The system is activated in an ultrasensitive manner by cellular stresses that deplete ATP (and consequently elevate AMP), either by inhibiting ATP production (e.g., hypoxia), or by accelerating ATP consumption (e.g., exercise in muscle). Once activated, it switches on catabolic pathways, both acutely by phosphorylation of metabolic enzymes and chronically by effects on gene expression, and switches off many ATP‐consuming processes. Recent work suggests that activation of AMPK is responsible for many of the effects of physical exercise, both the rapid metabolic effects and the adaptations that occur during training. Dominant mutations in regulatory subunit isoforms (γ2 and γ3) of AMPK, which appear to increase the basal activity in the absence of AMP, lead to hypertrophy of cardiac and skeletal muscle respectively. BioEssays 23:1112–1119, 2001. © 2001 John Wiley & Sons, Inc.

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Metadata

Authors
Hardie, D. G., & Hawley, S. A.
Venue
BioEssays
Publisher
Wiley
Published
2001-11-29
Volume
23
Issue
12
Pages
1112-1119
ISSN
  • 0265-9247 (ISSN-L)
  • 1521-1878
OpenAlex
W2067522487
Cited by
784
References
6
FWCI
2.36
Type
journal article
Language
en
Open access
closed

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