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Related Experiment Video

Updated: Jun 25, 2026

Measurement of Insulin- and Contraction-Stimulated Glucose Uptake in Isolated and Incubated Mature Skeletal Muscle from Mice
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AMPK: Lessons from transgenic and knockout animals.

Benoit Viollet1, Yoni Athea, Remi Mounier

  • 1Institut Cochin, Universite Paris Descartes, CNRS (UMR 8104), Department Endocrinology, Metabolism and Cancer, Paris, France. viollet@cochin.inserm.fr

Frontiers in Bioscience (Landmark Edition)
|March 11, 2009
PubMed
Summary
This summary is machine-generated.

AMP-activated protein kinase (AMPK) acts as a cellular fuel gauge, regulating energy balance by activating energy production and inhibiting energy consumption. Recent animal models provide key insights into AMPK

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Area of Science:

  • Biochemistry
  • Cellular Metabolism
  • Molecular Biology

Background:

  • AMP-activated protein kinase (AMPK) is a conserved serine/threonine kinase that monitors cellular energy status.
  • AMPK regulates energy balance by modulating catabolic and anabolic pathways through phosphorylation and gene expression.
  • Previous studies using pharmacological agents provided supportive but not conclusive evidence for AMPK's role in energy metabolism.

Purpose of the Study:

  • To review recent findings on the role of AMPK in energy metabolism.
  • To discuss insights gained from animal models with altered AMPK signaling.

Main Methods:

  • Review of recent scientific literature.
  • Analysis of data from transgenic and knockout mouse models with inhibited or activated AMPK signaling pathways.

Main Results:

  • Animal models have yielded important findings regarding AMPK's function in energy metabolism.
  • Genetic models, despite caveats, offer valuable insights into AMPK complex operations.
  • Recent studies highlight the significance of AMPK in controlling energy homeostasis.

Conclusions:

  • AMPK plays a crucial role in regulating cellular energy balance.
  • Transgenic and knockout mouse models are instrumental in elucidating AMPK's functions.
  • Further research using animal models will continue to advance our understanding of AMPK's role in metabolism.