Microglia autophagy in ischemic stroke: A double-edged sword

Li Peng1,2,3, Guangqiang Hu4, Qianfang Yao1,2

  • 1Sichuan Key Medical Laboratory of New Drug Discovery and Druggability Evaluation, School of Pharmacy, Southwest Medical University, Luzhou, China.

Frontiers in Immunology
|December 5, 2022
PubMed

Insights

Microglia play dual roles in ischemic stroke (IS) by aiding repair but also causing damage. Understanding microglia autophagy

Area of Science:

  • Neuroscience
  • Immunology
  • Pathology

Background:

  • Ischemic stroke (IS) is a leading cause of global mortality and morbidity.
  • Microglia, the brain's immune cells, exhibit both protective and detrimental functions in IS.
  • Inflammation is a key feature of IS, involving microglial activation.

Purpose of the Study:

  • To review the dual roles of microglia in ischemic stroke.
  • To explore the interaction between microglial autophagy and inflammation in IS.
  • To discuss therapeutic strategies targeting microglia for IS treatment.

Main Methods:

  • Literature review of studies on microglia, autophagy, and inflammation in IS.
  • Analysis of the molecular mechanisms underlying microglial functions in IS.
  • Synthesis of current research on therapeutic interventions.

Main Results:

  • Microglia can promote tissue repair but also contribute to secondary brain damage in IS.
  • Autophagy in microglia modulates inflammatory responses during ischemic events.
  • The interplay between microglia autophagy and inflammation offers potential therapeutic targets.

Conclusions:

  • Modulating microglial autophagy presents a promising avenue for IS treatment.
  • Further research is needed to fully elucidate the complex roles of microglia in IS.
  • Targeting the autophagy-inflammation axis in microglia could improve IS outcomes.