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Related Concept Videos

Gut-Brain Axis01:22

Gut-Brain Axis

The gut–brain axis is a bidirectional communication system that connects the gastrointestinal tract and the brain. This interaction is mediated through multiple pathways, including the vagus nerve, hormonal signals, immune responses, and chemical messengers produced by gut microbes.Microbial Contributions to Brain FunctionGut microbiota contributes significantly to brain function by producing neuroactive compounds. These include neuroactive compounds that influence neurotransmitters such as...
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Enteric Nervous System: Regulation of GI Motor Activity01:11

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Intracerebroventricular Delivery of Gut-Derived Microbial Metabolites in Freely Moving Mice
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[Brain-gut interactions].

B Bonaz1

  • 1Clinique universitaire d'hépato-gastroentérologie, CHU de Grenoble, BP 217, 38043 Grenoble cedex 9, France. BBonaz@chu-grenoble.fr

La Revue De Medecine Interne
|May 22, 2010
PubMed
Summary
This summary is machine-generated.

Brain-gut interactions, mediated by the nervous system, influence digestive health. Dysregulation of this communication, often stress-related, contributes to digestive diseases like IBS and IBD.

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Area of Science:

  • Neurogastroenterology
  • Autonomic Nervous System Research
  • Gut Microbiome-Brain Axis Studies

Context:

  • The digestive tract possesses autonomous functions and a complex bidirectional communication with the brain, termed brain-gut interactions.
  • This intricate communication network involves the autonomic nervous system (sympathetic and parasympathetic branches) and circumventricular organs outside the blood-brain barrier.
  • The vagus nerve, a key component of the parasympathetic system, plays a crucial role, transmitting 90% afferent fibers and mediating anti-inflammatory pathways.

Purpose:

  • To elucidate the mechanisms underlying brain-gut interactions and their physiological roles.
  • To explore the involvement of the autonomic nervous system, including the vagus nerve and sympathovagal balance, in mediating these interactions.
  • To investigate how the brain integrates digestive tract signals and modulates the autonomic nervous system and hypothalamic-pituitary-adrenal axis.

Summary:

  • Brain-gut interactions are mediated by the autonomic nervous system, with the vagus nerve playing a significant role in physiological functions and anti-inflammatory responses.
  • The brain integrates digestive signals through a central autonomic network, influencing the autonomic nervous system and hypothalamic-pituitary-adrenal axis.
  • Dysfunctional brain-gut interactions, exacerbated by stress, are implicated in the pathophysiology of digestive disorders such as irritable bowel syndrome and inflammatory bowel diseases.

Impact:

  • Understanding brain-gut interactions offers significant therapeutic potential in pharmacology, neurophysiology, and behavioral/cognitive management strategies.
  • This knowledge can lead to novel treatments for functional gastrointestinal disorders and inflammatory conditions.
  • Further research into these pathways may uncover new targets for managing stress-related digestive diseases.