Dimethyl fumarate mediates Nrf2-dependent mitochondrial biogenesis in mice and humans

Genki Hayashi1, Mittal Jasoliya1, Sunil Sahdeo2

  • 1Department of Molecular Biosciences, University of California, Davis, 95616 CA, USA.

Insights

Dimethyl fumarate (DMF) boosts mitochondrial biogenesis and function in cells, mice, and humans, primarily via Nrf2. This finding offers potential new therapies for mitochondrial and muscle diseases, including Multiple Sclerosis.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Neuroscience

Background:

  • Mitochondrial dysfunction is implicated in various diseases.
  • Mitochondrial biogenesis is a key process for cellular energy production.
  • Therapeutic strategies to enhance mitochondrial function are needed.

Purpose of the Study:

  • To investigate the effect of dimethyl fumarate (DMF) on mitochondrial biogenesis and function.
  • To determine the molecular targets of DMF in inducing mitochondrial biogenesis.
  • To explore the potential of DMF as a therapeutic agent for mitochondrial and muscle diseases.

Main Methods:

  • In vitro cell culture experiments.
  • In vivo studies in mice.
  • Human dosing studies.
  • Analysis of gene expression related to mitochondrial function.
  • Assessment of hydroxycarboxylic acid receptor 2 (HCAR2) and Nrf2 pathways.

Main Results:

  • DMF dose-dependently induced mitochondrial biogenesis and function in cells, mice, and humans.
  • Nrf2 was identified as the primary target of DMF in inducing mitochondrial gene expression.
  • This is the first drug shown to increase mitochondrial biogenesis through in vivo human dosing.
  • Mitochondrial biogenesis was found to be deficient in Multiple Sclerosis patients.

Conclusions:

  • DMF effectively induces mitochondrial biogenesis and function via the Nrf2 pathway.
  • DMF represents a potential therapeutic candidate for mitochondrial and muscle diseases.
  • The deficiency in mitochondrial biogenesis in Multiple Sclerosis suggests new therapeutic avenues for MS.