The Ancient Drug Salicylate Directly Activates AMP-Activated Protein Kinase

Simon A Hawley, Morgan D Fullerton, Fiona A Ross, Jonathan D Schertzer, Cyrille Chevtzoff, Katherine J Walker, Mark W Peggie, Darya Zibrova, Kevin A Green, Kirsty J. Mustard, Bruce E Kemp, Kei Sakamoto, Gregory R Steinberg, D Grahame Hardie (Lead / Corresponding author)

    Research output: Contribution to journalArticlepeer-review

    597 Citations (Scopus)


    Salicylate, a plant product, has been in medicinal use since ancient times. More recently, it has been replaced by synthetic derivatives such as aspirin and salsalate, both rapidly broken down to salicylate in vivo. At concentrations reached in plasma following administration of salsalate, or aspirin at high doses, salicylate activates adenosine monophosphate-activated protein kinase (AMPK), a central regulator of cell growth and metabolism. Salicylate binds at the same site as the synthetic activator, A-769662, to cause allosteric activation and inhibition of dephosphorylation of the activating phosphorylation site, Thr172. In AMPK knockout mice, effects of salicylate to increase fat utilization and lower plasma fatty acids in vivo were lost. Our results suggest that AMPK activation could explain some beneficial effects of salsalate and aspirin in humans.
    Original languageEnglish
    Pages (from-to)918-922
    Number of pages5
    Issue number6083
    Early online date19 Apr 2012
    Publication statusPublished - 18 May 2012


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