Enteric Glial Cells in Neurodegeneration

Enteric Glial Cells in Neurodegeneration

<table class="infobox infobox-celltype">
<tr>
<th class="infobox-header" colspan="2">Enteric Glial Cells in Neurodegeneration</th>
</tr>
<tr>
<td class="infobox-label">Cell Type</td>
<td>Glia > Enteric Glial Cell</td>
</tr>
<tr>
<td class="infobox-label">Lineage</td>
<td>Glia > Enteric Glial Cell > Enteric Astrocyte, Enteric Progenitor Glia</td>
</tr>
<tr>
<td class="infobox-label">Markers</td>
<td>GFAP, S100B, SOX10, PLP1, GDNF</td>
</tr>
<tr>
<td class="infobox-label">Brain Regions</td>
<td>Myenteric Plexus (Auerbach), Submucous Plexus (Meissner), Enteric Nervous System</td>
</tr>
<tr>
<td class="infobox-label">Disease Relevance</td>
<td>[Parkinson's Disease](/diseases/parkinsons-disease), [Irritable Bowel Syndrome](/diseases/irritable-bowel-syndrome), [Gastrointestinal Dysmotility](/diseases/gi-impairment)</td>
</tr>
<tr>
<td class="label">Cell Ontology ID</td>
<td>[CL:0007011](https://purl.obolibrary.org/obo/CL_0007011), [CL:4040002](https://purl.obolibrary.org/obo/CL_4040002)</td>
</tr>
</table>

Enteric Glial Cells in Neurodegeneration

Introduction

Enteric glial cells (EGCs) are specialized glial cells of the enteric nervous system (ENS) that regulate intestinal function, support enteric neurons, and maintain the gut barrier. These cells are increasingly recognized for their role in neurodegenerative diseases, particularly Parkinson's disease.^[1]

Overview

Enteric Glial Cells in Neurodegeneration

<table class="infobox infobox-celltype">
<tr>
<th class="infobox-header" colspan="2">Enteric Glial Cells in Neurodegeneration</th>
</tr>
<tr>
<td class="infobox-label">Cell Type</td>
<td>Glia > Enteric Glial Cell</td>
</tr>
<tr>
<td class="infobox-label">Lineage</td>
<td>Glia > Enteric Glial Cell > Enteric Astrocyte, Enteric Progenitor Glia</td>
</tr>
<tr>
<td class="infobox-label">Markers</td>
<td>GFAP, S100B, SOX10, PLP1, GDNF</td>
</tr>
<tr>
<td class="infobox-label">Brain Regions</td>
<td>Myenteric Plexus (Auerbach), Submucous Plexus (Meissner), Enteric Nervous System</td>
</tr>
<tr>
<td class="infobox-label">Disease Relevance</td>
<td>[Parkinson's Disease](/diseases/parkinsons-disease), [Irritable Bowel Syndrome](/diseases/irritable-bowel-syndrome), [Gastrointestinal Dysmotility](/diseases/gi-impairment)</td>
</tr>
<tr>
<td class="label">Cell Ontology ID</td>
<td>[CL:0007011](https://purl.obolibrary.org/obo/CL_0007011), [CL:4040002](https://purl.obolibrary.org/obo/CL_4040002)</td>
</tr>
</table>

Enteric Glial Cells in Neurodegeneration

Introduction

Enteric glial cells (EGCs) are specialized glial cells of the enteric nervous system (ENS) that regulate intestinal function, support enteric neurons, and maintain the gut barrier. These cells are increasingly recognized for their role in neurodegenerative diseases, particularly Parkinson's disease.^[1]

Overview

Enteric Glial Cells are the equivalent of astrocytes in the gut, forming a network throughout the intestinal wall. They are characterized by the expression of GFAP (glial fibrillary acidic protein), S100B (S100 calcium-binding protein), SOX10 (SRY-box transcription factor 10), PLP1 (proteolipid protein 1), and GDNF (glial cell line-derived neurotrophic factor).^[2]

There are two main types of EGCs:

• Enteric astrocytes: Located primarily in the submucosa, associated with blood vessels and epithelium
• Enteric progenitor glia: Located in the myenteric plexus, with regenerative capacity

In Parkinson's disease, alpha-synuclein pathology is found in enteric glial cells, suggesting they may be involved in disease initiation and spread.^[4]
<!-- taxonomy-enrichment -->

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

Multi-Taxonomy Classification

Taxonomy Database Cross-References

| Taxonomy | ID | Name / Label |
|----------|----|---------------|
| Cell Ontology (CL) | [CL:0007011](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011) | enteric neuron |

Morphology & Electrophysiology

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

PanglaoDB Marker Cross-References

• Unknown (PanglaoDB):

External Database Links

• [Cell Ontology (CL:0007011)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011)
• [OBO Foundry (CL:0007011)](http://purl.obolibrary.org/obo/CL_0007011)
• [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

| Database | ID | Name | Confidence |
|----------|----|------|------------|
| Cell Ontology | [CL:0007011](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011) | enteric neuron | Exact |
| Cell Ontology | [CL:4040002](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4040002) | enteroglial cell | Exact |

PanglaoDB Marker Cross-References

• Unknown (PanglaoDB):

External Database Links

• [Cell Ontology (CL:0007011)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011)
• [OBO Foundry (CL:0007011)](http://purl.obolibrary.org/obo/CL_0007011)
• [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/)

Normal Functions

Neuronal Support

Enteric glia support enteric neurons:

• Metabolic support: Provide lactate and other metabolites
• Ion homeostasis: Buffer extracellular potassium
• Trophic support: Produce GDNF and other neurotrophic factors
• Synaptic maintenance: Support neuron-neuron communication

Barrier Regulation

EGCs maintain intestinal barrier integrity:

• Tight junction modulation: Regulate paracellular transport
• Mucus production: Support goblet cell function
• Immune modulation: Coordinate inflammatory responses

GI Motility

These cells regulate gut motility:

• Neuronal regulation: Modulate enteric neuron activity
• Smooth muscle coordination: Indirect effects through neurons
• Peristalsis control: Support rhythmic contractions

Role in Neurodegeneration

Parkinson's Disease

In PD, enteric glia show:

• Alpha-synuclein accumulation: Internalize and process α-syn
• Inflammatory activation: Produce pro-inflammatory cytokines
• Barrier dysfunction: Contribute to leaky gut
• Dysbiosis association: Altered interactions with microbiome

GI Dysfunction

Enteric glial pathology contributes to:

• Constipation: Most common PD GI symptom
• Gastroparesis: Delayed gastric emptying
• Small intestinal bacterial overgrowth: Barrier dysfunction

Key Publications

Background

The study of Enteric Glial Cells In Neurodegeneration 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

• [Sharkey 2015 - Enteric glia](https://pubmed.ncbi.nlm.nih.gov/25930036/)
• [Gershon 2013 - Enteric glia and the gut](https://pubmed.ncbi.nlm.nih.gov/23647162/)
• [Braak 2006 - Gut-brain alpha-synuclein](https://pubmed.ncbi.nlm.nih.gov/16360142/)
• [Allen Brain Atlas - Enteric Nervous System](https://brain-map.org/)