Related Experiment Video
Updated: Jul 15, 2026

09:07
Electromagnetic Controlled Closed-Head Model of Mild Traumatic Brain Injury in Mice
Published on: September 28, 2022
Vaccinia virus complement control protein significantly improves sensorimotor function recovery after severe head
Nirvana S Pillay1, Laurie A Kellaway, Girish J Kotwal
1Division of Medical Virology, Faculty of Health Sciences, University of Cape Town, South Africa.
Brain Research
|May 1, 2007
Summary
Vaccinia virus complement control protein (VCP) improved sensorimotor function in a severe traumatic brain injury model. This immunomodulator reduced inflammation and cell death, offering therapeutic potential for head injuries.
Area of Science:
- Neuroscience
- Immunology
- Pharmacology
Background:
- Vaccinia virus complement control protein (VCP) is an immunomodulator inhibiting complement pathways, preventing cell death and inflammation.
- VCP has demonstrated therapeutic efficacy in mild and moderate traumatic brain injury (TBI) models.
Purpose of the Study:
- To investigate the efficacy of VCP in a severe head injury model.
- To assess the impact of VCP on sensorimotor and cognitive outcomes following severe TBI.
Main Methods:
- Wistar rats underwent stereotactic surgery and severe lateral fluid percussion injury (FPI).
- VCP (1.7 microg/microl) was administered immediately post-FPI at the injury site.
- Spatial learning and memory were evaluated using the Morris Water Maze (MWM), followed by sensorimotor tests 14 days post-injury.
Main Results:
- VCP-treated rats showed statistically significant improvements in lateral left pulsion and tactile placing compared to saline controls.
- Significant differences were observed in right lateral pulsion during the initial days of sensorimotor testing.
- While MWM data is not explicitly detailed, the sensorimotor results indicate a positive influence of VCP.
Conclusions:
- VCP administration favorably influences sensorimotor outcomes in a severe head injury model.
- The findings suggest VCP's potential as a therapeutic agent for severe TBI, warranting further investigation.
Related Concept Videos
Traumatic Brain Injury l: Introduction
DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
Secondary Spinal Cord Injury llI: Pathophysiology
Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
Spinal Cord Injury ll: Pathophysiology
Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
