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Related Concept Videos

Parasympathetic Signaling01:30

Parasympathetic Signaling

Parasympathetic signaling plays a crucial role in regulating various physiological processes. It involves the release of acetylcholine (ACh) by parasympathetic neurons, which can have localized and short-lived effects. The majority of ACh released is rapidly inactivated at the synapse by the enzyme acetylcholinesterase (AChE), which hydrolyzes Ach into choline and acetate. Additionally, the tissue cholinesterase deactivates any ACh diffusing into the surrounding tissues.
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Physiology of Enteric Nervous System and Gut Health01:05

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Role Of Notch Signalling In Intestinal Stem Cell Renewal01:12

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Cholinergic Receptors: Muscarinic01:25

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Updated: May 22, 2026

Development of an Antigen-driven Colitis Model to Study Presentation of Antigens by Antigen Presenting Cells to T Cells
06:57

Development of an Antigen-driven Colitis Model to Study Presentation of Antigens by Antigen Presenting Cells to T Cells

Published on: September 18, 2016

Cholinergic signalling in gut immunity.

Shobhit Dhawan1, Cathy Cailotto, Lucien F Harthoorn

  • 1Tytgat Institute for Liver and GI research, AMC Amsterdam, The Netherlands.

Life Sciences
|May 15, 2012
PubMed
Summary
This summary is machine-generated.

The vagal nerve regulates immunity through acetylcholine (ACh), a neurotransmitter also produced by immune cells. This discovery expands our understanding of bidirectional communication between the nervous and immune systems.

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Area of Science:

  • Neuroimmunology
  • Autonomic Nervous System
  • Gut Immunity

Background:

  • The gut immune system and autonomic nervous system share signaling molecules and receptors.
  • Acetylcholine (ACh), a vagal neurotransmitter, is recognized by immune cells expressing cholinergic receptors (AChR).

Purpose of the Study:

  • To explore the role of the vagal nerve in immune regulation.
  • To investigate the broader function of acetylcholine beyond neurotransmission.

Main Methods:

  • Review of recent discoveries in neuroimmunology.
  • Analysis of signaling pathways involving acetylcholine.

Main Results:

  • The vagal nerve acts as a key component of the "cholinergic anti-inflammatory reflex."
  • Immune cells in organs like the spleen produce acetylcholine.
  • Acetylcholine functions as a bidirectional signaling molecule between neuronal and immune cells.

Conclusions:

  • Acetylcholine plays a crucial role in regulating gut immunity.
  • Immune cells contribute to cholinergic signaling, expanding its function.
  • ACh serves as a vital link between the nervous and immune systems.