Enteric Neurons In Gut Brain Axis is an important cell type in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
The enteric nervous system (ENS), often called the "second brain," is a complex network of neurons embedded in the lining of the gastrointestinal tract. It controls gut motility, secretion, blood flow, and immune function independently of the central nervous system. The ENS communicates bidirectionally with the brain via the vagus nerve and spinal cord, forming the gut-brain axis, which has emerged as a critical pathway in neurodegenerative diseases, particularly Parkinson's disease. [1]
| Property | Value | [2]
|----------|-------| [3]
| Category | Gut-Brain Communication |
| Location | Gastrointestinal tract (myenteric and submucosal plexuses) |
| Cell Type | Enteric neurons (sensory, motor, interneurons) |
| Function | Gut motility, secretion, vasodilation, immune modulation |
| Neurotransmitters | Acetylcholine, nitric oxide, VIP, 5-HT |
| Taxonomy | ID | Name / Label |
|---|---|---|
| Cell Ontology (CL) | CL:0007011 | enteric neuron |
| Database | ID | Name | Confidence |
|---|---|---|---|
| Cell Ontology | CL:0007011 | enteric neuron | Medium |
| Cell Ontology | CL:1001579 | cerebral cortex glial cell | Medium |
| Cell Ontology | CL:4042028 | immature neuron | Medium |
The ENS consists of two major ganglionated plexus:
The gut-brain axis has become a focal point in Parkinson's disease research, with evidence suggesting that alpha-synuclein pathology may originate in the enteric nervous system and propagate to the brain via the vagus nerve.
| Symptom | Prevalence | Timeline |
|---|---|---|
| Constipation | 50-80% | Pre-motor |
| Delayed gastric emptying | 30-50% | Early |
| Small intestinal bacterial overgrowth | 25-30% | Variable |
The ENS serves as an interface between the gut microbiome and the nervous system:
The study of Enteric Neurons In Gut Brain Axis 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.
[Braak H. Staging of brain pathology related to sporadic Parkinson's disease. Neurobiol Aging. 2003](https://doi.org/10.1016/s0197-4580(02). 2003. ↩︎
Clairembault T. Structural alterations of the intestinal epithelial barrier in Parkinson's disease. Acta Neuropathol Commun. 2015. 2015. ↩︎
Svensson E. Vagotomy and subsequent risk of Parkinson's disease. Ann Neurol. 2015. 2015. ↩︎