Myelin Remyelination
Myelin Remyelination - 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.
01:23
A Gold Staining Technique to Visualize Myelin Reduction in Stressed Mice
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2025
Stress impairs oligodendrocyte function, disrupting the lipid-rich myelin sheath surrounding neuronal axons in the medial prefrontal cortex, a brain region regulating emotion.
03:59
Isolation and Purification of Recombinant Myelin Oligodendrocyte Glycoproteins
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2025
Source: Jain, R. W., et al. Simple and Efficient Production and Purification of Mouse Myelin Oligodendrocyte Glycoprotein for Experimental Autoimmune Encephalomyelitis Studies. J. Vis. Exp. (2016)This video demonstrates the isolation and purification of MOGtag, a recombinant Myelin Oligodendrocyte Glycoprotein (MOG) used in Experimental Autoimmune Encephalomyelitis (EAE) studies. The protocol involves bacterial lysis, sonication, centrifugation, and nickel affinity chromatography to obtain...
01:25
Nervous Tissue: Myelin
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2024
The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths. Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...
FAQs
After central nervous system injury, oligodendrocyte precursor cells are recruited to damaged sites rather than acting at a distance. They then differentiate into mature oligodendrocytes, which extend new myelin sheaths around exposed axons. This sequence provides a cellular framework for studying why repair succeeds in some regions but remains incomplete in others.
Recruitment alone does not complete repair. Precursor cells must differentiate into mature oligodendrocytes capable of extending new sheaths around exposed axons. When this process restores insulation, it supports rapid and reliable neural communication. Consequently, studies examine differentiation as a key transition linking cellular repair with the preservation of nervous-system function.
Repair may remain incomplete even when precursor cells reach an injury and produce mature oligodendrocytes. The provided neuroscience context identifies incomplete repair as an important feature of the process, without assigning a single cause. This limitation matters because partial restoration may not fully preserve rapid neural communication or prevent the effects of demyelinating injury.
A study can follow the repair sequence from injury-site recruitment of oligodendrocyte precursor cells to their differentiation and the extension of new sheaths around exposed axons. Examining these stages separately helps distinguish cellular recruitment from later sheath formation. Researchers can then relate the extent of repair to neural communication and functional recovery.
Impaired remyelination contributes to neurological disorders such as multiple sclerosis, making this process a central research concern in neuroscience. Investigators study the cellular events that support or limit repair to understand how damaged axons might be protected and how neural communication could be preserved after demyelinating injury.
Therapeutic research may pursue several connected outcomes: protecting axons, improving the speed and reliability of neural communication, and promoting functional recovery after demyelinating injury. These goals reflect different consequences of repair rather than a single endpoint. Studying cellular mechanisms helps identify approaches intended to enhance recovery where natural remyelination is incomplete.