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Emerging Roles for the Immune System in Traumatic Brain Injury
Celia A McKee1, John R Lukens1
1Department of Neuroscience, Center for Brain Immunology and Glia, School of Medicine, University of Virginia , Charlottesville, VA , USA.
Frontiers in Immunology
|December 21, 2016
Summary
Traumatic brain injury (TBI) involves immune system responses that worsen brain damage and neurological impairment. Targeting these immune processes shows promise for developing new TBI treatments.
Area of Science:
- Neuroscience
- Immunology
Background:
- Traumatic brain injury (TBI) leads to chronic inflammation, exacerbating initial damage and causing long-term neurological deficits.
- The immune system plays a critical role in the secondary injury cascade following TBI, influencing cell death and neurodegeneration.
Approach:
- Rodent models of TBI are utilized to investigate the roles of inflammatory cells and signaling pathways in post-injury responses.
- Advances in gene manipulation techniques enhance the study of immune responses in TBI models.
Key Points:
- Specific immune cells and cytokines are being linked to both beneficial (anti-inflammatory) and detrimental (pro-inflammatory) effects in the injured brain.
- Understanding these immune mediators is crucial for deciphering TBI pathogenesis.
Conclusions:
- Emerging research highlights the potential of modulating immune responses as a therapeutic strategy for TBI.
- This review synthesizes current knowledge on the immunological perspective of TBI, focusing on immune cell involvement and cytokine functions.

