Bridging two worlds: Host Microbiota crosstalk in health and dysregulation

Oct 30, 2025Innate immunity

Communication between the body and gut bacteria in health and disease

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Abstract

The gut microbiota significantly influences immune processes and intestinal barrier integrity through microbial metabolites.

  • Microbial compounds, such as and tryptophan metabolites, regulate immune responses and maintain intestinal barrier function.
  • Disruption in microbiota composition can lead to , which is associated with altered host interactions and impaired immune regulation.
  • Dysbiosis may promote inflammation by activating specific signaling pathways and gene transcription involved in pro-inflammatory responses.
  • The gut microbiota is linked to various disorders, including gastrointestinal, metabolic, and neurological conditions.
  • Therapeutic interventions may be necessary to restore microbial balance and support overall physiological functions.

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