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Isolating Lymphocytes from the Mouse Small Intestinal Immune System
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Isolating Lymphocytes from the Mouse Small Intestinal Immune System.

Zhijuan Qiu1, Brian S Sheridan2

  • 1Center for Infectious Diseases, Department of Molecular Genetics and Microbiology, Stony Brook University.

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|March 20, 2018
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Summary

This study details a method for isolating immune cells from the small intestine. This technique aids in understanding gut immunity and its role in diseases.

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Area of Science:

  • Immunology
  • Gastroenterology
  • Microbiology

Background:

  • The intestinal immune system is crucial for gut barrier function and systemic immunity.
  • Understanding the induction and outcomes of intestinal immune responses is vital.
  • Local gut immunity significantly influences distant and systemic immune responses.

Purpose of the Study:

  • To describe a detailed protocol for isolating lymphocytes from small intestinal immune sites.
  • To enable comprehensive study of immune responses within the gastrointestinal tract.

Main Methods:

  • Isolation of lymphocytes from Peyer's patches and mesenteric lymph nodes (inductive sites).
  • Isolation of lymphocytes from the lamina propria and intestinal epithelium (effector sites).
  • Ensuring high purity, viability, and minimal cross-contamination of isolated cells.

Main Results:

  • Successful isolation of a large number of lymphocytes from small intestinal tissues.
  • The protocol provides high purity and viability of immune cells.
  • Minimal cross-compartmental contamination was achieved within practical timeframes.

Conclusions:

  • This technique facilitates the study of immune responses in gastrointestinal infections, cancers, and inflammatory diseases.
  • The ability to isolate pure, viable immune cells from the gut is essential for advancing research in gut immunology.