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Related Experiment Video

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An In-vitro Preparation of Isolated Enteric Neurons and Glia from the Myenteric Plexus of the Adult Mouse
10:34

An In-vitro Preparation of Isolated Enteric Neurons and Glia from the Myenteric Plexus of the Adult Mouse

Published on: August 7, 2013

Interface between the intestinal environment and the nervous system.

O Lundgren1

  • 1Department of Physiology, Sahlgrenska Academy, Göteborg University, Sweden. ove.lundgren@fysiologi.gu.se

Gut
|February 13, 2004
PubMed
Summary
This summary is machine-generated.

This review explores how intestinal contents activate nerve fibers. It covers how gut cells like enterocytes sense microbes, influencing gut-brain communication.

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Last Updated: May 13, 2026

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Area of Science:

  • Gastroenterology
  • Neuroscience
  • Cell Biology

Background:

  • Afferent nerve fibers in the intestinal lamina propria are crucial for gut function and signaling.
  • The intestinal lining plays a key role in sensing the gut environment.

Purpose of the Study:

  • To review the mechanisms by which intestinal contents influence afferent nerve fibers.
  • To discuss the role of intestinal epithelial cells as sensors for luminal contents, including microbes.

Main Methods:

  • Literature review of existing research on intestinal sensing mechanisms.
  • Discussion of cellular and molecular pathways involved in gut-innervation.

Main Results:

  • Intestinal epithelial permeability is a key factor in luminal content access to nerve fibers.
  • Specialized cells (endocrine cells, brush cells, enterocytes) act as sensors for luminal microbes and other contents.
  • These cellular sensors can initiate signaling pathways that affect afferent nerve activity.

Conclusions:

  • Intestinal cells are critical mediators between luminal contents and the nervous system.
  • Understanding these mechanisms is vital for comprehending gut-brain axis signaling and related disorders.