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Updated: Nov 11, 2025

Operating and Biocontainment Procedures of a Facility for Laboratory Mice with a Natural Microbiome: Immunophenotyping Procedure
Published on: December 13, 2024
Dirty mice join the immunologist's toolkit
Meggie Kuypers1, Tijana Despot1, Thierry Mallevaey2
1Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON, M5S 1A8, Canada.
Abstract:
The microbiota is a driving force that influences host physiological functions. In this review, we discuss some of the methods that have been used in the pursuit of relevant host-microbiota interactions that control immune fitness and disease susceptibility, with a focus on dirty mice which have been recently incorporated in the immunologist's toolkit.
Insights
The host microbiota significantly impacts physiological functions. This review explores methods for studying host-microbiota interactions, focusing on the use of dirty mice to understand immune fitness and disease susceptibility.
Area of Science:
- Microbiology
- Immunology
- Physiology
Background:
- The host microbiota plays a crucial role in regulating host physiological functions.
- Understanding host-microbiota interactions is key to comprehending immune fitness and disease susceptibility.
Purpose of the Study:
- To review methodologies for investigating host-microbiota interactions.
- To highlight the utility of dirty mice in immunological research.
Main Methods:
- Literature review of current research methods.
- Focus on techniques applicable to studying host-microbiota dynamics.
- Emphasis on the 'dirty mouse' model system.
Main Results:
- Various methods exist to probe host-microbiota interactions.
- Dirty mice offer a valuable model for studying these complex relationships.
- These interactions are critical for immune system regulation.
Conclusions:
- Effective methodologies are essential for advancing our understanding of the microbiota's influence on host health.
- The integration of novel models like dirty mice enhances research capabilities in immunology.

