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.<sup>[1]</sup>
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.<sup>[1]</sup>
Overview
Mermaid diagram (expand to render)
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).<sup>[2]</sup>
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
EGCs are essential for maintaining gut homeostasis, supporting enteric neurons, regulating intestinal barrier function, and modulating immune responses.<sup>[3]</sup>
In Parkinson's disease, alpha-synuclein pathology is found in enteric glial cells, suggesting they may be involved in disease initiation and spread.<sup>[4]</sup>
<!-- 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
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
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
Sharkey KA, et al. (2015). Enteric glia. Gastroenterology. [DOI:10.1053/j.gastro.2015.03.013](https://doi.org/10.1053/j.gastro.2015.03.013)
Gershon MD. (2013). Enteric glia and the gut. Gut Microbes. [DOI:10.4161/gmic.23934](https://doi.org/10.4161/gmic.23934)
Braak H, et al. (2006). Gut-brain alpha-synuclein. Neurobiology of Aging. [DOI:10.1016/j.neurobiolaging.2005.10.002](https://doi.org/10.1016/j.neurobiolaging.2005.10.002)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/)