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Related Experiment Videos

Gut Microbiome Standardization in Control and Experimental Mice.

Kathy D McCoy1,2, Markus B Geuking2,3, Francesca Ronchi4

  • 1Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

Current Protocols in Immunology
|April 4, 2017
PubMed
Summary

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Standardizing the animal model microbiota is crucial for reproducible research. Controlling environmental factors and microbial composition enhances the reliability of mouse models in human health studies.

Area of Science:

  • Microbiology
  • Animal Models
  • Immunology

Background:

  • The host-associated microbiota significantly influences host physiology.
  • Environmental factors like diet, bedding, and caging impact mouse model microbiota.
  • Variability in microbiota composition across facilities hinders experimental reproducibility.

Purpose of the Study:

  • To emphasize the critical role of microbiota in mouse models.
  • To highlight the need for standardized experimental designs.
  • To present protocols for controlling microbiota composition in mouse studies.

Main Methods:

  • Review of factors influencing microbiota composition in mouse models.
  • Emphasis on environmental control in animal facilities.
  • Development of protocols for microbiota standardization.
Keywords:
co-housingfecal transplantsgerm-freelitter swapslittermate controlsmicrobiota standardization

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Main Results:

  • Environmental factors introduce significant variability in mouse microbiota.
  • Standardization protocols are necessary to reduce variability.
  • Controlled microbiota enhances the interpretation of experimental results.

Conclusions:

  • Controlling microbiota composition is essential for all mouse models.
  • Standardized experimental designs improve reproducibility in biomedical research.
  • Rigorous control of the microbiome is critical for accurate mouse model studies.