Tissue Injury
Tissue Injury - Related Videos
09:41
Chromatin Immunoprecipitation from Dorsal Root Ganglia Tissue following Axonal Injury
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Cited by 9 •
2011
We present a method for chromatin immunoprecipitation from dorsal root ganglia tissue following axonal injury. The approach can be used to identify specific transcription factor binding sites and epigenetic modification of histone and DNA important for the regeneration of injured axons in both the peripheral and central nervous system.
01:28
Tissue Injury: Inflammation and Repair
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2023
Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade. Formation of Blood Clot In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
03:40
TTC Staining of Rat Brain Tissue Slices: A Staining Procedure to Differentiate Viable and Necrotic Tissue in Tissue Slices After Ischemia-Reperfusion Injury
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2025
This video describes the 2,3,5-triphenyl-2H-tetrazolium chloride staining procedure to visualize rat brain tissue slices and differentiate viable and damaged tissue following middle cerebral artery occlusion and reperfusion.
07:59
A Tissue Displacement-based Contusive Spinal Cord Injury Model in Mice
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Cited by 15 •
2017
We introduce a tissue displacement-based contusive spinal cord injury model that can produce a consistent contusive spinal cord injury in adult mice.
07:28
Controlled Cervical Laceration Injury in Mice
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Cited by 17 •
2013
A novel technique to create a reproducible in vivo model of cervical spinal cord laceration injury in the mouse is described. This technique is based on spine stabilization by fixation of the cervical facets and laceration of the spinal cord using an oscillating blade with an accuracy of ±0.01 mm.
FAQs
After damage disrupts cellular structure and function, affected cells may follow either necrosis or programmed cell death. These alternatives represent distinct cellular outcomes that researchers consider when analyzing injured tissue. Identifying which outcome predominates helps connect the initial damage with later inflammation, removal of damaged material, and the tissue’s eventual capacity for repair.
Signals released by injured cells activate inflammation and help recruit immune cells to the affected area. This response links cellular damage with the removal of damaged material, rather than treating injury as an isolated event. In biology, examining this signaling process helps explain how local tissue disruption can produce coordinated cellular and immune activity.
The repair outcome depends on whether the tissue can restore functional structure after damage. Repair includes cell proliferation and extracellular matrix production, a process in which cells increase in number and surrounding structural material is produced. When restoration is incomplete, scar formation can replace full regeneration, leaving tissue function less completely recovered.
These causes begin with different damaging influences, but each can disrupt cellular structure and function. The resulting injury may trigger cell death, inflammatory signaling, immune-cell recruitment, and repair activity. Comparing these initiating factors with their shared downstream responses helps biology connect diverse disease or trauma causes to common patterns of tissue dysfunction and recovery.
The injury response provides a framework for following tissue changes from damaged cells through inflammation, removal of cellular debris, and repair. In wound healing, this sequence helps explain restoration or scar formation. In chronic disease, persistent or incomplete responses can be examined in relation to continuing tissue damage, impaired repair, and organ dysfunction.
Understanding how injured tissue removes damaged material, activates immune responses, and begins repair informs efforts to restore functional tissue. Cell proliferation and extracellular matrix production are especially relevant because they contribute to rebuilding tissue structure. This biological context supports research aimed at encouraging regeneration when natural repair would otherwise produce incomplete restoration or scarring.