Establishment and optimization of an E. coli urinary tract infection model in Göttingen minipigs with strain recovery and characterization - Report - MDSpire
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Establishment and optimization of an E. coli urinary tract infection model in Göttingen minipigs with strain recovery and characterization
Clinical Report: Development of a UTI Model Using Uropathogenic E. coli in Minipigs
Overview
This study establishes a novel urinary tract infection (UTI) model using uropathogenic E. coli (UPEC) in Göttingen minipigs, demonstrating successful infection for 14 days. The findings highlight the importance of strain verification in UTI models to ensure accurate evaluation of treatment and vaccine efficacy.
Background
Urinary tract infections (UTIs) are a significant global health issue, often complicated by antibiotic resistance. Traditional animal models, such as murine models, do not adequately replicate human UTI pathophysiology, necessitating the development of more relevant models. Göttingen minipigs offer anatomical and physiological similarities to humans, making them suitable for UTI research.
Data Highlights
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Key Findings
Established a UTI model in Göttingen minipigs using intraurethral challenge with UPEC strain UTI89.
Infection was successfully maintained for 14 days in the majority of subjects.
75% of the minipigs were infected with the UTI89 strain, while 25% had different E. coli strains.
Emphasized the necessity of verifying bacterial strain identity in UTI models.
Proposed the model as a bridge between preclinical findings and clinical outcomes in humans.
Clinical Implications
The development of this UTI model in minipigs may enhance the evaluation of new treatments and vaccines against UTIs. Accurate strain identification is crucial for interpreting results, particularly in the context of antibiotic resistance and treatment efficacy.
Conclusion
This study presents a promising UTI model in Göttingen minipigs that could facilitate better understanding and treatment of UTIs in humans. The findings underscore the importance of strain verification in preclinical research.
by Joyce Lübbers, Kaila Orlandini, Emily Podob, Jeffrey Fernandez, Jolaine M Wilson, Marjolein van Heerden, Jeroen Zeijpveld, Joan van Kregten, Peter T. Buckley, Germie van den Dobbelsteen, Kirsten L. Bair
