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J Vis Exp. 2017 Dec 1;(130). doi: 10.3791/54432.

Urinary Tract Infection in a Small Animal Model: Transurethral Catheterization of Male and Female Mice.

Author information

1
Unité d'Immunobiologie des Cellules Dendritiques, Department of Immunology, Institut Pasteur, INSERM U818.
2
Unité d'Immunobiologie des Cellules Dendritiques, Department of Immunology, Institut Pasteur, INSERM U818; Genentech.
3
Unité d'Immunobiologie des Cellules Dendritiques, Department of Immunology, Institut Pasteur, INSERM U818; molly.ingersoll@pasteur.fr.

Abstract

Urinary tract infections (UTI) are extremely common worldwide, incurring significant morbidity and healthcare-associated expenses. Small animal models, which accurately reflect disease establishment and progression, permit dissection of host-pathogen interactions and generation of immunity to infection. In mice, intravesical instillation of uropathogenic E. coli, the causative agent in more than 85% of community acquired UTI, recapitulates many of the stages of infection observed in humans. Until recently, however, UTI could only be modeled in female animals. This limitation has hindered the study of sex-related differences in UTI, as well as other bladder pathologies, such as cancer. Here, we describe a method to instill male mice that allows direct comparison between female and male animals and provide a detailed protocol to assess bladder tissue by flow cytometry as a means to better understand host responses to infection. Together, these approaches will aid in the identification of host factors that contribute to sex biases observed in UTI and other bladder-associated diseases.

PMID:
29286380
PMCID:
PMC5755510
[Available on 2019-12-01]
DOI:
10.3791/54432
[Indexed for MEDLINE]

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