Metformin Improves Mitochondrial Respiratory Activity through Activation of AMPK

Yu Wang, Hongying An, Ting Liu, Caolitao Qin, Hiromi Sesaki, Shaodong Guo, Sally Radovick, Mehboob Hussain, Akhil Maheshwari, Fredric E. Wondisford, Brian O'Rourke, Ling He

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The mechanism of metformin action still remains controversial, in particular on mitochondrial activity and the involvement of AMPK. Wang et al. show that pharmacological metformin concentration or dose improves mitochondrial respiration by increasing mitochondrial fission through AMPK-Mff signaling; in contrast, supra-pharmacological metformin concentrations reduce mitochondrial respiration through decreasing adenine nucleotide levels.

Original languageEnglish (US)
Pages (from-to)1511-1523.e5
JournalCell Reports
Volume29
Issue number6
DOIs
StatePublished - Nov 5 2019

Keywords

  • AMPK
  • Drp1
  • adenine nucleotides
  • diabetes
  • insulin resistance
  • membrane potential
  • metformin
  • mitochondrial respiration/fission

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology

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