Cns Trauma
Cns Trauma - Related Videos
10:08
Pseudofracture: An Acute Peripheral Tissue Trauma Model
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Cited by 38 •
2011
Pseudofracture, a reproducible murine model of sterile musculoskeletal trauma, allows for evaluation of late term post-traumatic immune responses. This article describes the procedural execution of the model step by step, including the potential for experimental model combinations to permit study of multiple trauma.
06:29
Dissection of Larval CNS in Drosophila Melanogaster
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Cited by 18 •
2006
In this article we demonstrate how to dissect the central nervous system from third instar Drosophila larvae.
11:14
Acute Brain Trauma in Mice Followed By Longitudinal Two-photon Imaging
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Cited by 11 •
2014
Acute brain trauma is a severe injury that has no adequate treatment to date. Multiphoton microscopy allows studying longitudinally the process of acute brain trauma development and probing therapeutical strategies in rodents. Two models of acute brain trauma studied with in vivo two-photon imaging of brain are demonstrated in this protocol.
07:32
Assessment of Vascular Regeneration in the CNS Using the Mouse Retina
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Cited by 7 •
2014
The rodent retina has long been recognized as an accessible window to the brain. In this technical paper we provide a protocol that employs the mouse model of oxygen-induced retinopathy to study the mechanisms that lead to failure of vascular regeneration within the central nervous system after ischemic injury. The described system can also be harnessed to explore strategies to promote regrowth of functional blood vessels within the retina and CNS.
09:45
Mapping and Application of Enhancer-trap Flippase Expression in Larval and Adult Drosophila CNS
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Cited by 7 •
2011
We describe a Flippase-induced intersectional Gal80/Gal4 repression (FINGR) method, allowing tissue-specific FLP to determine Gal80 expression patterns. Wherever Gal4 and FLP overlap, Gal4 expression is turned on (Gal80 flipped out) or off (Gal80 flipped in). The FINGR method is versatile for clonal analysis and neural circuit mapping.
FAQs
Primary damage occurs when mechanical forces deform, shear, compress, or rupture tissue, producing injury at the time of impact. Secondary degeneration develops afterward through interacting responses such as inflammation, excitotoxicity, edema, blood-brain barrier disruption, and reduced blood flow. Distinguishing these phases helps researchers identify which processes may be limited after the initial injury.
These mechanical forces damage neural tissue through different physical patterns. Deformation alters tissue structure, shearing disrupts connections between neural regions, compression places damaging pressure on tissue, and hemorrhage introduces bleeding into the injured area. Their effects can initiate the later biological responses that expand tissue damage beyond the site of the original mechanical event.
These secondary processes can intensify injury after the initial mechanical event. Inflammation changes the local tissue environment, excitotoxicity contributes to neural damage, and edema increases tissue swelling. Together with blood-brain barrier disruption and reduced blood flow, they may extend degeneration and worsen functional impairment, making them important targets for neuroprotective research.
By examining how mechanical injury and secondary responses develop, neuroscience research helps identify changes associated with worsening tissue damage. This knowledge can support earlier diagnosis and clarify the biological basis for interventions. It also informs surgical decision-making by connecting injury mechanisms with the need to limit damage before secondary processes expand the affected region.
Research can focus on limiting secondary degeneration rather than addressing only the original mechanical injury. Inflammation, excitotoxicity, edema, blood-brain barrier disruption, and reduced blood flow provide mechanistic targets for neuroprotective approaches. Understanding these processes helps investigators evaluate strategies intended to preserve neural tissue and reduce the lasting consequences of traumatic brain or spinal cord injury.
Rehabilitation strategies address the persistent sensory, motor, cognitive, or autonomic consequences that may follow injury, while neural repair research seeks ways to promote recovery of damaged systems. Studying both areas connects cellular injury mechanisms with functional outcomes. This combined perspective supports efforts to reduce long-term impairment after traumatic brain injury and spinal cord injury.