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Updated: Nov 14, 2025
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Phenotypic and Functional Analysis of Activated Regulatory T Cells Isolated from Chronic Lymphocytic Choriomeningitis Virus-infected Mice
Published on: June 22, 2016
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A neu(ronal) player joins the T regulatory game
Samantha B Larsen1, Shruti Naik2
1Neuroscience Institute, New York University Langone Health, 550 First Avenue, New York, NY 10016, USA.
Immunity
|March 10, 2021
Summary
The enteric nervous system regulates gut immunity by producing interleukin-6, which controls regulatory T cells. Gut microbes influence this system, impacting immune cell populations in the intestine.
Area of Science:
- Neuroimmunology
- Gut Microbiome Research
- Intestinal Homeostasis
Background:
- The enteric nervous system (ENS) plays a crucial role in regulating intestinal immunity.
- The ENS acts as a communication channel between the host and commensal microorganisms.
- Understanding neuro-immune interactions is vital for comprehending gut health.
Purpose of the Study:
- To investigate the role of the enteric nervous system in modulating intestinal immunity.
- To identify specific molecular mediators of neuro-immune communication within the gut.
- To explore the influence of commensal microbiota on this neuro-immune axis.
Main Methods:
- The study by Yan et al. focuses on identifying key signaling molecules involved in ENS-immune cell interactions.
- Investigated the impact of neuronal factors on regulatory T (Treg) cell populations in the intestine.
- Examined the role of commensal microbiota in shaping the neuro-immune dialogue.
Main Results:
- Neuronal interleukin-6 (IL-6) was identified as a significant modulator of intestinal regulatory T cells.
- Demonstrated a direct link between ENS-derived IL-6 and the expansion or function of Treg cells.
- Showcased that commensal microbiota influence the ENS, thereby affecting the intestinal Treg cell pool.
Conclusions:
- Neuronal IL-6 is a critical link between the enteric nervous system and intestinal immune regulation, specifically Treg cell activity.
- The gut microbiota dynamically interacts with the ENS to shape the local immune environment.
- This neuro-immune crosstalk, influenced by microbiota, is fundamental to maintaining intestinal homeostasis and host defense.
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