Spinal Cord Oligodendrocytes

Spinal Cord Oligodendrocytes

Spinal Cord Oligodendrocytes

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Spinal Cord Oligodendrocytes</th>
</tr>
<tr>
<td class="label">Name</td>
<td><strong>Spinal Cord Oligodendrocytes</strong></td>
</tr>
<tr>
<td class="label">Type</td>
<td>Cell Type</td>
</tr>
</table>

Introduction

Spinal Cord Oligodendrocytes is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

Spinal cord oligodendrocytes are the myelin-forming cells of the central nervous system that ensheath axons with multilamellar myelin sheaths, enabling rapid saltatory conduction. They are essential for motor and sensory function and are affected in multiple sclerosis and ALS. [@biology2001]

Overview

...

Spinal Cord Oligodendrocytes

Spinal Cord Oligodendrocytes

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Spinal Cord Oligodendrocytes</th>
</tr>
<tr>
<td class="label">Name</td>
<td><strong>Spinal Cord Oligodendrocytes</strong></td>
</tr>
<tr>
<td class="label">Type</td>
<td>Cell Type</td>
</tr>
</table>

Introduction

Spinal Cord Oligodendrocytes is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

Spinal cord oligodendrocytes are the myelin-forming cells of the central nervous system that ensheath axons with multilamellar myelin sheaths, enabling rapid saltatory conduction. They are essential for motor and sensory function and are affected in multiple sclerosis and ALS. [@biology2001]

Overview

Spinal Cord Oligodendrocytes Spinal cord oligodendrocytes are the myelin-forming cells of the central nervous system that ensheath axons with multilamellar myelin sheaths, enabling rapid saltatory conduction.

Location and Morphology

Oligodendrocytes are found throughout spinal cord white and gray matter. Each oligodendrocyte can myelinate multiple axons (up to 50) through formation of multiple myelin segments. In the ventral horn, they associate with motor neuron axons. [@oligodendroglia2012]

Classification

Myelinating Oligodendrocytes

Produce compact myelin sheaths around axons. [@degeneration2013]

Satellite Oligodendrocytes

Closely associated with neuronal cell bodies, thought to provide metabolic support. [@myelin2014]

Molecular Markers

Myelin Basic Protein (MBP)

Major structural protein of myelin sheath. [@oligodendrocyte2014]

Myelin Oligodendrocyte Glycoprotein (MOG)

Surface protein specific to oligodendrocytes. [@multiple2008]

Olig2

Transcription factor essential for oligodendrocyte lineage specification. [@referencesa]

NG2 (CSPG4)

Proteoglycan expressed on oligodendrocyte progenitors.

Function

Axonal Myelination

• Form compact myelin sheaths [@references]
• Enable saltatory conduction
• Reduce axonal diameter
• Provide metabolic support to axons [@biology2001]

Axonal Survival

• Secrete neurotrophic factors
• Support axonal mitochondria
• Prevent axonal degeneration

Role in Neurodegeneration

Amyotrophic Lateral Sclerosis (ALS)

• Oligodendrocyte dysfunction precedes motor neuron loss [@oligodendroglia2012]
• Reduced myelin basic protein expression
• Impaired metabolic support to axons [@degeneration2013]
• Degeneration of oligodendrocyte precursors [@myelin2014]

Multiple Sclerosis

• Inflammatory demyelination in spinal cord [@oligodendrocyte2014]
• Conduction block
• Axonal transection

Spinal Cord Injury

• Demyelination secondary to trauma
• Failed remyelination
• Need for oligodendrocyte replacement

Therapeutic Implications

Remyelination Strategies

• OPC transplantation
• Small molecule remyelination promoters (clemastine, opicinumab)
• Blockade of inhibitory molecules (LINGO-1)

Key Publications

Kang SH, et al. (2013). Degeneration and impaired regeneration of gray matter oligodendrocytes in ALS. Nature Neuroscience, 16(5): 571-579. [DOI:10.1038/nn.3357](https://doi.org/10.1038/nn.3357)

Bradl M, et al. (2007). Multiple sclerosis: from biology to therapy. Nature Reviews Neuroscience, 8(10): 785-797. [DOI:10.1038/nrn2177](https://doi.org/10.1038/nrn2177)

Emery B (2010). Regulation of oligodendrocyte differentiation and myelination. Science 330(6005):779-782.

See Also

• [Amyotrophic Lateral Sclerosis](/diseases/amyotrophic-lateral-sclerosis)
• [Multiple Sclerosis](/diseases/multiple-sclerosis)
• [Myelin Basic Protein](/proteins/myelin-basic-protein)
• [Spinal Motor Neurons](/cell-types/spinal-motor-neurons)
• [Oligodendrocytes](/cell-types/oligodendrocytes)
• [Oligodendrocyte Precursor Cells](/cell-types/oligodendrocyte-precursor-cells)
• [Myelination](/mechanisms/myelination)

Background

The study of Spinal Cord Oligodendrocytes has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.

Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.

Brain Atlas Resources

• [Allen Human Brain Atlas - Spinal Cord Oligodendrocytes Expression](https://human.brain-map.org/microarray/search/show?search_term=Spinal%20Cord%20Oligodendrocytes)
• [Allen Mouse Brain Atlas](https://mouse.brain-map.org/)
• [BrainSpan - Developmental Expression](https://brainspan.org/)
• [Allen Brain Atlas Cell Type Atlas](https://celltypes.brain-map.org/)

External Links

• [UniProt: MBP](https://www.uniprot.org/uniprot/P02686)
• [NCBI Gene: 4155](https://www.ncbi.nlm.nih.gov/gene/4155)
• [Human Protein Atlas: MBP](https://www.proteinatlas.org/ENSG00000197971-MBP)

References

biology2001, (2001) Biology of oligodendrocyte and myelin in the mammalian CNS. Physiol Rev 82(2):581-608 (2001)
degeneration2013, (2013) Degeneration and impaired regeneration of gray matter oligodendrocytes in ALS. Nat Neurosci 16(5):571-579 (2013)
multiple2008, (2008) Multiple sclerosis (2008)
myelin2014, (2014) Myelin sheath. Nature 514(7521):313-321 (2014)
oligodendrocyte2014, (2014) Oligodendrocyte function. Nat Rev Neurosci 15(2):96-108 (2014)
oligodendroglia2012, (2012) Oligodendroglia metabolically support axons. Nature 488(7412):470-475 (2012)
references, <references>
referencesa, </references>

Pathway Diagram

The following diagram shows the key molecular relationships involving Spinal Cord Oligodendrocytes discovered through SciDEX knowledge graph analysis: