Related Experiment Video
Updated: Jun 14, 2025
08:02
In Vivo Augmentation of Gut-Homing Regulatory T Cell Induction
Published on: January 22, 2020
5.4K
Spare the pain for your gut Treg cells!
Manon Defaye1, Christophe Altier1
1Department of Physiology and Pharmacology, Snyder Institute for Chronic Diseases, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
Trends in Pharmacological Sciences
|September 6, 2024
Summary
Scientists used designer drugs to control specific gut neurons, revealing their impact on the gut immune system and the microbiome. This research sheds light on maintaining gut homeostasis.
Area of Science:
- Neurogastroenterology
- Microbiome research
- Immunology
Background:
- Gut homeostasis depends on intricate interactions between the nervous system, immune system, and gut microbiota.
- The precise mechanisms governing these interactions are not fully understood.
Purpose of the Study:
- To investigate the role of specific neuronal populations in regulating the gut immune system and microbiota composition.
- To elucidate the neural control mechanisms underlying gut homeostasis.
Main Methods:
- Utilized designer receptors exclusively activated by designer drugs (DREADD)-based chemogenetics to target and manipulate specific neuronal cell types in the gut.
- Assessed the downstream effects of neuronal activation/inhibition on gut immune cell populations and microbial community structure.
Main Results:
- Demonstrated that targeted chemogenetic manipulation of specific gut neurons can alter local immune cell profiles.
- Showcased the capacity of neuronal activity to influence the composition and diversity of the gut microbiota.
- Identified specific neural pathways involved in mediating these gut ecosystem responses.
Conclusions:
- Specific gut neurons play a critical role in orchestrating the gut immune response and shaping the microbiome.
- Chemogenetic tools like DREADDs are effective for dissecting neuro-immune-microbiome axis communication.
- Findings provide novel insights into maintaining gut health and offer potential therapeutic targets for gut disorders.
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