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AMPK: a target for drugs and natural products with effects on both diabetes and cancer

D Grahame Hardie1

  • 1Division of Cell Signalling and Immunology, College of Life Sciences, University of Dundee, Dundee, Scotland, UK. d.g.hardie@dundee.ac.uk

Diabetes
|June 27, 2013
PubMed

Insights

AMP-activated protein kinase (AMPK) is a cellular energy sensor activated by metformin, a type 2 diabetes drug. While AMPK mediates some benefits, it may not be metformin

Area of Science:

  • Biochemistry
  • Cellular Biology
  • Metabolic Regulation

Background:

  • AMP-activated protein kinase (AMPK) is a conserved cellular energy sensor.
  • Metformin, a type 2 diabetes drug, activates AMPK.
  • Natural products also activate AMPK, suggesting broader therapeutic roles.

Purpose of the Study:

  • To explore AMPK's role in mediating metformin's therapeutic effects.
  • To discuss mechanisms of AMPK activation by natural products like salicylate.
  • To investigate AMPK's potential involvement in cancer chemoprevention by metformin and aspirin.

Main Methods:

  • Review of existing literature on AMPK activation and function.
  • Analysis of studies on metformin, salicylate, and salsalate.
  • Discussion of evidence linking AMPK to metabolic health and cancer protection.

Main Results:

  • AMPK activation is consistent with some of metformin's metabolic benefits, but likely not the sole mechanism.
  • Salicylate and its prodrug salsalate activate AMPK and may improve metabolic parameters.
  • Evidence suggests AMPK might be involved in cancer-protective effects of metformin and aspirin.

Conclusions:

  • AMPK is a key player in cellular energy homeostasis and drug response.
  • Natural compounds like salicylate offer potential therapeutic avenues via AMPK.
  • Further research is warranted to elucidate AMPK's role in metabolic diseases and cancer prevention.

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