Related Experiment Video
Updated: May 21, 2026

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation
Published on: June 10, 2020
[Brain injury, immunity and infections]
A Roquilly1, C Lejus, K Asehnoune
1Service d'anesthésie réanimation, hôpital Hôtel-Dieu, CHU de Nantes, 1, place Alexis-Ricordeau, 44093 Nantes cedex 1, France.
Acute central nervous system (CNS) injuries trigger immunosuppression (IS), increasing infection risk and mortality. Understanding this immune dysfunction is key to developing new therapies for CNS injury patients.
Area of Science:
- Neuroscience
- Immunology
- Pathophysiology
Context:
- Infections are a significant cause of death and disability following acute central nervous system (CNS) injuries.
- CNS lesions disrupt immune homeostasis, leading to a state of immunosuppression (IS).
- This IS impairs immune cell function, such as neutrophil phagocytosis and monocyte antigen presentation, creating a vulnerability to infection.
Purpose:
- To elucidate the mechanisms linking acute CNS injury to immunosuppression.
- To highlight the role of the neurovegetative and sympathetic nervous systems in modulating the immune response post-CNS injury.
- To underscore the clinical relevance of managing infections and understanding IS for improved patient outcomes.
Summary:
- Acute CNS injuries induce rapid and prolonged immune suppression by altering immune cell functions and involving the sympathetic nervous system.
- The sympathetic nervous system, through mediators like interleukin-10, plays a critical role in IS following CNS damage.
- Clinical improvements in stroke care, focusing on infection prevention and secondary ischemia management, correlate with addressing IS-related complications.
Impact:
- Provides a foundation for future research into immunomodulatory treatments for CNS injuries.
- Emphasizes the need for integrated care strategies that address both neurological damage and immune dysfunction.
- Suggests that targeting the mechanisms of IS could significantly improve long-term prognosis for patients with acute CNS injuries.
Related Concept Videos
Bacterial Meningitis II: Pathophysiology
Factors Affecting the Risk of Infection
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
Encephalitis ll: Pathophysiology
Encephalitis l: Introduction
The Blood-brain Barrier
Brain Abscess l: Introduction

