Microbial Imidazole Propionate Affects Responses to Metformin through p38γ-Dependent Inhibitory AMPK Phosphorylation

Ara Koh, Louise Mannerås-Holm, Na Oh Yunn, Peter M. Nilsson, Sung Ho Ryu, Antonio Molinaro, Rosie Perkins, J. Gustav Smith, Fredrik Bäckhed

Research output: Contribution to journalArticlepeer-review

Abstract

Koh et al. show that imidazole propionate, a microbial metabolite, impairs the glucose-lowering effect of the anti-diabetic drug metformin and inhibits metformin-induced AMPK activation by activating p38γ/Akt/inhibitory AMPK serine phosphorylation. They further show that metformin action is restored by blocking imidazole propionate-activated p38γ.

Original languageEnglish
Pages (from-to)643-653
Number of pages11
JournalCell Metabolism
Volume32
Issue number4
DOIs
Publication statusPublished - 2020 Oct 6

Subject classification (UKÄ)

  • Physiology and Anatomy

Free keywords

  • AMPK
  • diabetes
  • imidazole propionate
  • individual variations
  • metformin
  • microbial metabolites
  • microbiota
  • p38γ

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