Oligodendrocytes in Multiple System Atrophy

Oligodendrocytes in Multiple System Atrophy

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Oligodendrocytes in Multiple System Atrophy</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:4042028](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042028)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4042028](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042028)</td>
</tr>
<tr>
<td class="label">Region</td>
<td>MSA</td>
</tr>
<tr>
<td class="label">Striatum</td>
<td>Severe</td>
</tr>
<tr>
<td class="label">Brainstem</td>
<td>Severe</td>
</tr>
<tr>
<td class="label">Cerebellum</td>
<td>Severe</td>
</tr>
<tr>
<td class="label">Cortex</td>
<td>Mild</td>
</tr>
</table>

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

Overview

Oligodendrocytes in Multiple System Atrophy

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Oligodendrocytes in Multiple System Atrophy</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:4042028](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042028)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4042028](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042028)</td>
</tr>
<tr>
<td class="label">Region</td>
<td>MSA</td>
</tr>
<tr>
<td class="label">Striatum</td>
<td>Severe</td>
</tr>
<tr>
<td class="label">Brainstem</td>
<td>Severe</td>
</tr>
<tr>
<td class="label">Cerebellum</td>
<td>Severe</td>
</tr>
<tr>
<td class="label">Cortex</td>
<td>Mild</td>
</tr>
</table>

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

Overview

This page provides comprehensive information about the cell type. See the content below for detailed information. [@wakabayashi1998]

Multiple system atrophy (MSA) is characterized by oligodendroglial alpha-synuclein inclusions called glial cytoplasmic inclusions (GCIs). These inclusions are the hallmark pathology and drive demyelination and neurodegeneration in this oligodendropathy. [@jellinger2014]

<!-- taxonomy-enrichment -->

<!-- multi-taxonomy-enrichment -->

Multi-Taxonomy Classification

Taxonomy Database Cross-References

Morphology & Electrophysiology

• Morphology: immature neuron (source: Cell Ontology)
• Morphology can be inferred from Cell Ontology classification

PanglaoDB Marker Cross-References

• Unknown (PanglaoDB):

External Database Links

• [Cell Ontology (CL:4042028)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042028)
• [OBO Foundry (CL:4042028)](http://purl.obolibrary.org/obo/CL_4042028)
• [Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
• [CellxGene Census](https://cellxgene.cziscience.com/)
• [Human Cell Atlas](https://www.humancellatlas.org/)
• [PanglaoDB](https://panglaodb.se/)

Taxonomy & Classification

PanglaoDB Marker Cross-References

• Unknown (PanglaoDB):

External Database Links

• [Cell Ontology (CL:4042028)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042028)
• [OBO Foundry (CL:4042028)](http://purl.obolibrary.org/obo/CL_4042028)
• [Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
• [CellxGene Census](https://cellxgene.cziscience.com/)
• [PanglaoDB](https://panglaodb.se/)

Glial Cytoplasmic Inclusions

Composition

• Alpha-synuclein - Phosphorylated (Ser129)
• Ubiquitin - Post-translational modification
• P62 - Sequestosome
• Tubulin - Cytoskeletal elements

Morphology

• Shape: Wavy, crescent-shaped
• Location: Perinuclear cytoplasm
• Size: Variable (2-10 μm)
• Distribution: Throughout white matter

Oligodendrocyte Dysfunction

Myelin Abnormalities

• Primary oligodendropathy - Direct target
• Myelin loss - Diffuse white matter changes
• Layer splitting - Vacuolation
• Remyelination failure - Oligodendrocyte loss

Supporting Evidence

• GCIs appear before neuronal loss
• Most abundant pathology
• Spatial pattern matches symptoms
• Animal models support oligodendrocyte origin

Affected Brain Regions

Severely Involved

• Putamen - Caudate > Putamen
• Pontocerebellar pathways - Brainstem
• Cerebellar white matter - Ataxia correlation
• Basal ganglia - Movement symptoms

Pattern Comparison

Molecular Pathogenesis

Alpha-Synuclein Aggregation

• Mechanism: Unknown trigger
• Propagation: Cell-to-cell spread
• Strain: Distinct from PD/DLB
• Oligomerization: Early toxic species

Cellular Dysfunction

• Impaired myelin maintenance
• Metabolic stress
• Calcium dysregulation
• Oxidative damage

Clinical Manifestations

Motor Symptoms (MSA-C)

• Cerebellar ataxia - Gait instability
• Parkinsonism - Bradykinesia, rigidity
• Autonomic failure - Orthostatic hypotension

Motor Symptoms (MSA-P)

• Parkinsonism predominant
• Poor levodopa response
• Rapid progression

Non-Motor

• Sleep disorder - REM behavior disorder
• Respiratory dysfunction - Stridor
• Cognitive impairment - Executive dysfunction

Therapeutic Approaches

Current Management

Disease-Modifying Strategies

• α-Synuclein immunotherapy - Active/passive vaccines
• Aggregation inhibitors - Small molecules
• Oligodendrocyte protection - Neurotrophic factors

Background

The study of Oligodendrocytes In Multiple System Atrophy 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.

External Links

• [PubMed](https://pubmed.ncbi.nlm.nih.gov/) - Biomedical literature
• [Alzheimer's Disease Neuroimaging Initiative](https://adni.loni.usc.edu/) - Research data
• [Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data

Pathway Diagram

The following diagram shows the key molecular relationships involving Oligodendrocytes in Multiple System Atrophy discovered through SciDEX knowledge graph analysis: