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Updated: Jun 6, 2026

Culturing Microglia from the Neonatal and Adult Central Nervous System
Published on: August 9, 2013
Grooming and growing with microglia
1Department of Medical Biophysics, Sunnybrook Health Sciences Centre, University of Toronto, 2075 Bayview Avenue, Toronto, Ontario, Canada M4N 3M5. joseph.antony@utoronto.ca
Abstract:
Microglia mediate neuroprotection and neuropathogenesis but have not been directly associated with behavior. As gatekeepers of the brain's immune system, microglia protect the brain from pathogens but also contribute to inflammation, which may negatively affect neurons. A recent study demonstrates a role for Hoxb8-expressing microglia in modulating behavior, a finding that is interesting from both the pathology and developmental biology perspectives.
Insights
Microglia, the brain's immune cells, are now linked to behavior. A new study shows that Hoxb8-expressing microglia play a role in modulating how we act, opening new research avenues.
Area of Science:
- Neuroscience
- Immunology
- Developmental Biology
Background:
- Microglia are key immune cells in the central nervous system.
- They are known to mediate both neuroprotection and neuropathogenesis.
- Their direct role in behavior has not been previously established.
Purpose of the Study:
- To investigate the role of microglia in behavior.
- To explore the specific contribution of Hoxb8-expressing microglia to behavioral modulation.
Main Methods:
- The study likely involved genetic manipulation or specific targeting of Hoxb8-expressing microglia in model organisms.
- Behavioral assays were used to assess the impact of microglial manipulation on actions.
Main Results:
- A direct association between microglia and behavior was demonstrated.
- Hoxb8-expressing microglia were found to modulate specific behaviors.
Conclusions:
- Microglia are implicated as significant players in the regulation of behavior.
- This finding bridges the fields of neuroimmunology, pathology, and developmental biology.

