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Related Experiment Video

Updated: May 7, 2026

Isolation and Flow Cytometric Characterization of Murine Small Intestinal Lymphocytes

Isolation and Flow Cytometric Characterization of Murine Small Intestinal Lymphocytes

Published on: May 8, 2016

Inside the mucosal immune system.

Jerry R McGhee¹, Kohtaro Fujihashi

¹Department of Pediatric Dentistry, The School of Dentistry, The University of Alabama at Birmingham, Birmingham, Alabama, United States of America. mcghee@uab.edu

|October 11, 2012

Summary

This summary is machine-generated.

The gut lining protects against environmental threats using a complex immune network. This study reveals a new pathway where cells and mediators prevent gut epithelial cell death, enhancing host defense mechanisms.

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Last Updated: May 7, 2026

Isolation and Flow Cytometric Characterization of Murine Small Intestinal Lymphocytes

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Published on: May 8, 2016

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Area of Science:

Immunology
Gastroenterology
Systems Biology

Background:

The mucosal immune system (MIS) protects against environmental toxins and pathogens via specialized epithelial barriers.
Inflammatory diseases like allergies and inflammatory bowel diseases (IBDs) arise from perturbations in the MIS.
Understanding the MIS is crucial for developing therapeutic strategies against debilitating conditions.

Purpose of the Study:

To investigate the in vivo response of the gut epithelium to tumor necrosis factor-alpha (TNF-α).
To elucidate the cellular and molecular mechanisms underlying epithelial protection against inflammatory stimuli.

Main Methods:

A multi-scale in vivo systems biology approach was employed.
The study focused on the mouse small intestine's response to systemically administered TNF-α.

Main Results:

A previously unidentified pathway was discovered involving multiple cell types and mediators.
This pathway was shown to prevent epithelial cell death in the small intestine in response to TNF-α.
The findings highlight the intricate coordination of cellular responses for host protection.

Conclusions:

In vivo systems biology is a powerful tool for dissecting complex biological processes.
The identified pathway offers new insights into maintaining gut barrier integrity.
Further research into this pathway could lead to novel therapeutic interventions for inflammatory diseases.