Abstract: The enteric nervous system (ENS) is a complex mesh-like network of neurons and glial cells that governs the function of the gastrointestinal tract. It plays a crucial role in regulating various processes, including digestion, motility, and immune responses. This review aims to provide an overview of the diversity, development, and immunoregulation of enteric neurons.
The ENS consists of various subtypes of neurons that differ in terms of their morphology, electrophysiological properties, neurotransmitter expression, and connectivity. These subtypes include excitatory and inhibitory motor neurons, interneurons, and sensory neurons. The diversity of enteric neurons allows for the intricate regulation of gastrointestinal functions.
During development, enteric neurons arise from neural crest-derived precursors and undergo a series of complex migratory and differentiation processes. Several signaling pathways, including the RET/GDNF signaling pathway, play crucial roles in regulating the development of enteric neurons.
In addition to their role in gastrointestinal physiology, enteric neurons also interact with immune cells and contribute to the regulation of immune responses in the gut. Neuropeptides released by enteric neurons can modulate the activity of immune cells and influence inflammation and immune homeostasis in the gastrointestinal tract. Dysregulation of these interactions can lead to gastrointestinal disorders, such as inflammatory bowel disease.
Understanding the diversity, development, and immunoregulation of enteric neurons is essential for unraveling the complex mechanisms underlying gastrointestinal function and dysfunction. Further research in this field may provide novel insights into the pathogenesis of gastrointestinal disorders and facilitate the development of targeted therapeutic interventions. |
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