Neuroprotective mechanisms of microglia in ischemic stroke: a review focused on mitochondria

Jiale Gan1,2, Xinyi Yang1,2, Jianan Wu3

  • 1Department of Neurology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China.

PubMed

Insights

Stroke causes disability and death, with limited treatments. This review highlights how mitochondria influence microglia activity after ischemic stroke, offering new therapeutic targets.

Area of Science:

  • Neuroscience
  • Immunology
  • Cell Biology

Background:

  • Stroke, particularly ischemic stroke, presents a major global health challenge with significant morbidity and mortality.
  • Current therapeutic strategies for stroke are limited, necessitating the exploration of novel treatment targets.
  • Microglia, the central nervous system's immune cells, are critically involved in the inflammatory response following ischemic injury.

Purpose of the Study:

  • To review recent research on the role of microglia in ischemic stroke.
  • To elucidate the specific contribution of mitochondria to microglial function and dysfunction in stroke pathogenesis.
  • To identify mitochondria as a potential therapeutic target for stroke management.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of studies investigating microglial activation post-stroke.
  • Examination of research on mitochondrial involvement in neuroinflammation and neuronal repair.

Main Results:

  • Microglia activation is a key event in the inflammatory cascade following ischemic stroke.
  • Mitochondria play a crucial role in regulating microglial phenotype and inflammatory responses.
  • Mitochondrial dysfunction contributes to oxidative stress and impaired axonal regeneration in stroke models.

Conclusions:

  • Mitochondria are integral to the pathological processes in ischemic stroke, influencing microglial behavior.
  • Targeting mitochondrial function in microglia presents a promising avenue for developing new stroke therapies.
  • Further research into mitochondria-microglia interactions is essential for advancing clinical stroke management.

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