Exploring microglial replacement: From disease models to clinical translation

Kai Zhou1, Yafeng Wang1, Yiran Xu2

  • 1Henan Neurodevelopment Engineering Research Center for Children, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital Zhengzhou Children's Hospital, Zhengzhou 450018, China.

PubMed

Insights

Microglial replacement therapy offers a promising approach to renew immune cells in the central nervous system (CNS). This strategy aims to reduce neuroinflammation and treat CNS disorders.

Area of Science:

  • Neuroscience
  • Immunology
  • Regenerative Medicine

Background:

  • Microglia are key immune cells in the central nervous system (CNS), crucial for surveillance, synaptic plasticity, and neuroinflammation.
  • Dysfunctional microglia contribute to various CNS disorders.
  • Microglial replacement therapy is emerging as a strategy to restore CNS health.

Purpose of the Study:

  • To review the current research on microglial replacement therapy for CNS disorders.
  • To highlight preclinical findings on depletion methods, cell sources, and therapeutic impacts.
  • To discuss challenges and considerations for clinical translation.

Main Methods:

  • Literature review of preclinical studies on microglial replacement therapy.
  • Analysis of diverse microglial depletion models.
  • Evaluation of different sources for replaced microglia.
  • Assessment of therapeutic outcomes in CNS disorder models.

Main Results:

  • Preclinical studies demonstrate the feasibility of microglial replacement.
  • Various depletion and repopulation strategies show potential for mitigating CNS pathology.
  • Impacts on neuroinflammation and functional recovery are observed across different models.

Conclusions:

  • Microglial replacement therapy shows significant promise for treating CNS disorders.
  • It offers a novel approach to restore CNS homeostasis and reduce neuroinflammation.
  • Further research and clinical translation are needed to realize its full therapeutic potential.

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