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Targeting the host inflammatory response in traumatic spinal cord injury
John R Bethea1, W Dalton Dietrich
1The Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami School of Medicine, Lois Pope LIFE Center, 1095 NW 14th Terrace-(R-48), Miami, FL 33136, USA. jbethea@miami.edu
Abstract:
Both acute and chronic inflammatory processes have been shown to influence outcome in experimental models of spinal cord injury. Although early inflammatory responses may participate in secondary injury processes, more delayed inflammatory events may be reparative. Therapeutic strategies that target these events are currently based on experimental findings that have clarified the cellular and molecular processes involved in the inflammatory response to injury. An increasing body of literature supports the hypothesis that acute inflammatory events are attenuated by therapeutic hypothermia and other anti-inflammatory strategies, whereas immune neuroprotection and axonal regeneration can be achieved by transfer of activated T cells or by treatment with therapeutic vaccines. These data are summarized in the present review.
Insights
Inflammation in spinal cord injury (SCI) has dual roles: early inflammation worsens injury, while later inflammation aids repair. Therapeutic strategies target these distinct inflammatory phases for better outcomes.
Area of Science:
- Neuroscience
- Immunology
- Regenerative Medicine
Background:
- Inflammatory processes significantly impact outcomes in experimental spinal cord injury (SCI) models.
- Early inflammatory responses can exacerbate secondary injury, while delayed inflammation may promote tissue repair.
Purpose of the Study:
- To review current therapeutic strategies targeting inflammatory responses in SCI.
- To elucidate the cellular and molecular mechanisms underlying SCI-induced inflammation.
Main Methods:
- Review of experimental findings on inflammatory responses to SCI.
- Analysis of therapeutic interventions modulating inflammation, immune response, and axonal regeneration.
Main Results:
- Acute inflammatory events in SCI are potentially attenuated by therapeutic hypothermia and anti-inflammatory agents.
- Immune neuroprotection and axonal regeneration may be facilitated by activated T cell transfer or therapeutic vaccines.
Conclusions:
- Targeting specific inflammatory phases in SCI offers promising therapeutic avenues.
- Modulating the immune response presents a viable strategy for enhancing recovery after spinal cord injury.