Immunometabolism in the Brain: How Metabolism Shapes Microglial Function
Louis-Philippe Bernier1, Elisa M York2, Brian A MacVicar1
1University of British Columbia, Djavad Mowafaghian Centre for Brain Health, Vancouver, Canada.
Trends in Neurosciences
|September 22, 2020
Summary
Microglia, the brain's immune cells, adapt their metabolism to influence neuroinflammation. Understanding microglial immunometabolism is key to brain function and treating neurological disorders.
Area of Science:
- Neuroimmunology
- Cellular Metabolism
- Neuroinflammation
Background:
- Immune cells dynamically alter metabolic pathways (immunometabolism) to modulate function.
- The role of metabolic reprogramming in central nervous system (CNS) microglia, neuroinflammation, and brain function remains unclear.
- Microglia, as brain-resident macrophages, are crucial for CNS immunity.
Purpose of the Study:
- To review the impact of metabolic reprogramming on microglia within the CNS.
- To highlight the significance of microglial immunometabolism in neuroinflammation and brain function.
Main Methods:
- Analysis of bioenergetic regulation in microglia using advanced cellular resolution tools.
- Review of current evidence on microglial metabolic adaptation and its consequences.
Main Results:
- Microglial metabolism is adaptable to CNS energy homeostasis.
- Metabolic reprogramming influences microglial polarization.
- This reprogramming impacts inflammatory responses in the brain.
Conclusions:
- Microglial immunometabolism plays a critical role in shaping neuroinflammation.
- Understanding these metabolic adaptations is essential for addressing brain pathologies.
