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Updated: Jul 12, 2026

Application of a Mouse Ligated Peyer’s Patch Intestinal Loop Assay to Evaluate Bacterial Uptake by M cells
05:59

Application of a Mouse Ligated Peyer’s Patch Intestinal Loop Assay to Evaluate Bacterial Uptake by M cells

Published on: December 17, 2011

Entry of microbes into the host: using M cells to break the mucosal barrier

B Jones1, L Pascopella, S Falkow

  • 1University of Iowa, Iowa City, USA.

Current Opinion in Immunology
|August 1, 1995
PubMed

Insights

Enteric pathogens like Shigella flexneri and Salmonella typhimurium exploit specialized M cells in the gut lining to initiate host infections. Understanding this interaction is key to developing new strategies against bacterial gut infections.

Area of Science:

  • Microbiology
  • Immunology
  • Gastroenterology

Background:

  • Enteric microbial pathogens are a significant cause of infectious diseases.
  • The gut epithelium serves as a critical barrier against pathogens.
  • M cells are specialized epithelial cells in the gut lining involved in immune surveillance.

Purpose of the Study:

  • To investigate the role of M cells in the initial stages of enteric pathogen infection.
  • To understand the specific mechanisms by which pathogens like Shigella flexneri and Salmonella typhimurium interact with M cells.

Main Methods:

  • The study likely involved in vitro and in vivo models to observe pathogen-M cell interactions.
  • Techniques may include microscopy, genetic manipulation of pathogens, and analysis of host responses.

Main Results:

  • Evidence indicates that M cells are a primary target for certain enteric pathogens.
  • Shigella flexneri and Salmonella typhimurium have been shown to specifically utilize M cells to enter the host.

Conclusions:

  • M cells play a crucial role in the pathogenesis of infections caused by Shigella flexneri and Salmonella typhimurium.
  • Targeting M cell interactions could be a potential therapeutic strategy to prevent or treat enteric bacterial infections.

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