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Related Experiment Videos

Calcium channels in enteric neurons.

Terence K Smith1, Sok Han Kang, Pieter Vanden Berghe

  • 1Department of Physiology and Cell Biology, University of Nevada School of Medicine, Reno, Nevada 89557, USA. tks@physio.unr.edu

Current Opinion in Pharmacology
|December 4, 2003
PubMed
Summary

The enteric nervous system, with its extensive neural networks, relies on calcium (Ca2+) movements for regulating neuronal excitability and neurotransmitter release, crucial for gut function.

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Area of Science:

  • Neuroscience
  • Gastroenterology
  • Cell Biology

Background:

  • The enteric nervous system (ENS) comprises two interconnected neural networks in the gut wall.
  • The ENS contains a neuron count comparable to the spinal cord.
  • ENS networks coordinate gut motility and secretion.

Purpose of the Study:

  • To highlight the critical role of calcium (Ca2+) in regulating ENS function.
  • To emphasize the importance of intracellular and transmembrane Ca2+ movements.

Main Methods:

  • This study is a review of existing research.
  • Analysis of scientific literature on calcium signaling in the enteric nervous system.

Main Results:

  • Calcium (Ca2+) ion movements are fundamental to neuronal excitability within the ENS.

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  • Transmembrane and intracellular Ca2+ fluxes regulate neurotransmitter release.
  • These Ca2+ dynamics are key to coordinated gut functions.

    • Conclusions:

    • Calcium signaling is a central mechanism governing enteric neurobiology.
    • Understanding Ca2+ dynamics is essential for comprehending ENS-mediated gut physiology and pathophysiology.