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Enteric Neurons in Parkinson's Disease
Enteric Neurons in Parkinson's Disease
<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Enteric Neurons in Parkinson's Disease</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:0007011](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0007011](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4040002](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4040002)</td>
</tr>
</table>
Introduction
Enteric Neurons In Parkinson'S Disease is a cell type relevant to neurodegenerative disease research. This page covers its role in brain function, involvement in disease processes, and significance for therapeutic strategies.
Overview
Enteric neurons are neurons located in the gastrointestinal tract that form the enteric nervous system (ENS), often called the "second brain." These neurons are critically involved in Parkinson's disease (PD) due to the presence of alpha-synuclein pathology in the gut years before motor symptoms appear—the brain-gut axis hypothesis of PD pathogenesis. [@klingelhoefer2015]
<!-- taxonomy-enrichment --> [@sampson2016]
Enteric Neurons in Parkinson's Disease
<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Enteric Neurons in Parkinson's Disease</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:0007011](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0007011](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0007011)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4040002](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4040002)</td>
</tr>
</table>
Introduction
Enteric Neurons In Parkinson'S Disease is a cell type relevant to neurodegenerative disease research. This page covers its role in brain function, involvement in disease processes, and significance for therapeutic strategies.
Overview
Enteric neurons are neurons located in the gastrointestinal tract that form the enteric nervous system (ENS), often called the "second brain." These neurons are critically involved in Parkinson's disease (PD) due to the presence of alpha-synuclein pathology in the gut years before motor symptoms appear—the brain-gut axis hypothesis of PD pathogenesis. [@klingelhoefer2015]
<!-- taxonomy-enrichment --> [@sampson2016]
<!-- multi-taxonomy-enrichment -->
Multi-Taxonomy Classification
Taxonomy Database Cross-References
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
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/)
Anatomy of the Enteric Nervous System
Major Plexuses
The ENS contains two primary neural networks:
- Located between longitudinal and circular muscle layers
- Controls gut motility
- Primary coordinator of peristalsis
- Located in the submucosa
- Regulates secretion and blood flow
- Sensory functions
Neuron Types
Enteric neurons include:
- Cholinergic neurons: Excitatory, promote motility
- Nitric oxide (NO) neurons: Inhibitory, relax smooth muscle
- VIP neurons: Secretion modulation
- 5-HT neurons: Sensory signaling
- Primary afferent neurons: Gut-brain communication
Alpha-Synuclein in the Gut
The Braak Hypothesis
According to the Braak hypothesis:
Evidence
- Lewy bodies found in enteric neurons pre-mortem
- Colon biopsies detect phosphorylated alpha-synuclein
- Constipation often precedes motor symptoms by years
- Vagotomy reduces PD risk
Gut Dysfunction in PD
Gastrointestinal Symptoms
PD patients commonly experience:
- Constipation: Most common GI symptom
- Gastroparesis: Delayed gastric emptying
- Small intestinal bacterial overgrowth (SIBO)
- Dysphagia: Swallowing difficulties
Mechanisms
Microbiome-Gut-Brain Axis
Dysbiosis in PD
PD patients show:
- Reduced microbial diversity
- Increased pro-inflammatory species
- Decreased anti-inflammatory bacteria
- Reduced short-chain fatty acid (SCFA) producers
Implications
- Inflammation: Systemic inflammation affects brain
- Metabolites: SCFAs modulate microglial activity
- Pathogen transmission: Potential for prion-like spread
Clinical Implications
Biomarker Potential
- Rectal biopsy: Detection of alpha-synuclein
- Colonoscopy: Early pathology detection
- Gut microbiome: Potential diagnostic marker
Therapeutic Approaches
See Also
- [Parkinson's Disease](/diseases/parkinsons-disease)
- [Gut-Brain Axis](/brain-regions/gut-brain-axis)
- [Alpha-Synuclein](/proteins/alpha-synuclein)
- [Microbiome](/entities/microbiome)
- [Vagus Nerve](/brain-regions/vagus-nerve)
- [Autophagy](/mechanisms/autophagy-lysosome-neurodegeneration)
Background
The study of Enteric Neurons In Parkinson'S Disease 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
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| kg_node_id | None |
| entity_type | cell |
| origin_type | v1_polymorphic_backfill |
| source_table | wiki_pages |
| wiki_page_id | wp-486faa9f4260 |
| __merged_from | {'merged_at': '2026-05-13', 'unprefixed_id': 'cell-types-enteric-neurons-parkinsons'} |
| _schema_version | 1 |
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