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How bile acids and the microbiota interact to shape host immunity.
Michael H Lee1, Sean-Paul Nuccio1, Ipsita Mohanty2
1Division of Host-Microbe Systems and Therapeutics, Department of Paediatrics, University of California San Diego, La Jolla, CA, USA.
Nature Reviews. Immunology
|July 15, 2024
Summary
Bile acids and gut microbiota significantly impact host processes and immune responses. Understanding their complex interplay is crucial for health and disease, especially within the gut environment.
Area of Science:
- Microbiology
- Immunology
- Biochemistry
Background:
- Bile acids are recognized for their diverse roles in host physiology.
- Gut microbiota play a critical role in modifying bile acids.
- Technological advancements are revealing a growing number of microbially conjugated bile acids.
Purpose of the Study:
- To review the current understanding of bile acid-gut microbiota interactions.
- To focus on the modulation of immune responses during homeostasis and disease.
- To highlight the significance of these interactions within the gut.
Main Methods:
- Literature review of recent scientific publications.
- Synthesis of current knowledge on bile acid metabolism and immune modulation.
- Focus on microbially conjugated bile acids and their host effects.
Main Results:
- Bile acids and gut microbiota dynamically interact.
- These interactions significantly influence host immune system function.
- The chemical complexity of bile acids is rapidly increasing due to microbial activity.
Conclusions:
- Bile acid-microbiota axis is a key regulator of immune homeostasis and disease.
- Further research is needed to fully elucidate these complex interactions.
- Targeting the bile acid-microbiota axis may offer therapeutic strategies.
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