Remyelination Mouse Model
Remyelination Mouse Model - Related Videos
08:57
Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin
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Cited by 79 •
2015
Demyelinating diseases can be modeled in animals by focal application of lysolecithin into the CNS. A single injection of lysolecithin into mouse spinal cord produces a lesion that spontaneously repairs over time. The goal is to study factors involved in de- and remyelination, and to test agents for enhancing repair.
05:08
Demyelination and Remyelination of Mouse Spinal Cord Neurons
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2025
This video demonstrates the method for inducing demyelination in mouse spinal cord neurons using lysolecithin injections, followed by remyelination through the migration and differentiation of oligodendrocyte precursor cells. The process impairs and then gradually restores neuronal signal transmission.
02:24
Osmotic Pump-Based Neurotherapeutic Drug Delivery in a Demyelinated Mouse Model
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2025
Source: Wang, X. et. al., Osmotic Pump-based Drug-delivery for In Vivo Remyelination Research on the Central Nervous System. J. Vis. Exp. (2021)This video demonstrates the method for delivering neurotherapeutic drugs using an osmotic pump in a demyelinated mouse model. The controlled drug release promotes remyelination by activating myelin-producing cells in the corpus callosum.
02:39
Intranasal Mesenchymal Stem Cell Delivery in a Mouse Model of Traumatic Brain Injury
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2025
Source: Shahror, R. A. et. al., Tracking Superparamagnetic Iron Oxide-labeled Mesenchymal Stem Cells using MRI after Intranasal Delivery in a Traumatic Brain Injury Murine Model. J. Vis. Exp. (2019)This video demonstrates intranasal mesenchymal stem cell (MSC) delivery in a mouse model. MSCs absorb into nasal tissue, migrate to the brain via cytokine signals, and secrete neurotrophic factors at the injury site, offering neurotherapeutic potential for neuronal repair.
06:24
Mouse Models of Periventricular Leukomalacia
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Cited by 28 •
2010
We established mouse models of periventricular leukomalacia (PVL), the predominant brain injury in premature infants characterized by periventricular white matter lesions. Hypoxia/ischemia with/without systemic infection are the primary causes of PVL. Unilateral carotid ligation and hypoxia exposure with/without lipopolysaccharide injection creates PVL-like lesions in P6 mice.
FAQs
Repair depends on a sequence of cellular events rather than precursor-cell presence alone. Oligodendrocyte precursor cells must be recruited to damaged regions, differentiate into oligodendrocytes, and mature sufficiently to generate new myelin around axons. Tracking these stages helps researchers identify where repair succeeds or stalls and connects cellular behavior with recovery of myelin structure.
Remyelination is shaped by interactions among axons, glial cells, immune signals, and the surrounding tissue environment. These factors can influence precursor-cell recruitment, differentiation, and maturation, helping create conditions that support or obstruct repair. Examining their relationships allows researchers to investigate why damaged central nervous system tissue may show incomplete recovery despite the presence of repair-related cells.
Structural restoration and functional recovery provide complementary evidence. Examining myelin shows whether damaged axons have acquired new insulating material, while assessing neural function indicates whether that repair is associated with improved nervous-system performance. Using both outcomes helps distinguish treatments that change tissue appearance from those that produce meaningful recovery after injury or disease.
A typical study begins by inducing or investigating demyelination in the central nervous system. Researchers then monitor the response of oligodendrocyte precursor cells, including their recruitment, differentiation, and maturation, while examining repair of myelin around axons. The resulting structural and functional assessments provide a basis for comparing the extent and quality of recovery.
The model can help locate cellular and molecular barriers that interrupt recovery after demyelination. Investigators may determine whether repair is limited during precursor-cell recruitment, differentiation, or maturation, or whether tissue interactions impede effective restoration. Identifying the stage or environment associated with failure can guide explanations of incomplete repair in neurological disease.
Researchers can apply a candidate treatment after demyelination and determine whether it improves myelin structure and neural function. The model also allows treatment effects to be considered alongside changes in precursor-cell behavior and the surrounding tissue environment. This combination helps evaluate not only whether recovery occurs, but also which repair processes may be influenced.
In neuroscience, the model connects cellular repair mechanisms with disease-related loss of myelin and impaired neural performance. It provides a controlled setting for examining interactions among axons, oligodendrocyte precursor cells, glia, immune signals, and tissue conditions. These observations support research into why repair fails and how interventions might promote recovery after central nervous system damage.