Peer-reviewed veterinary case report
Teaching old mice new tricks: the utility of aged mouse models of C. difficile infection to study pathogenesis and rejuvenate immune response.
- Journal:
- Gut microbes
- Year:
- 2021
- Authors:
- Shin, Jae Hyun et al.
- Affiliation:
- University of Virginia · United States
- Species:
- rodent
Abstract
BACKGROUND: is a serious problem for the aging population. Aged mouse model ofinfection (CDI) has emerged as a valuable tool to evaluate the mechanism of aging in CDI. METHODS: We reviewed five published studies utilizing aged mice (7-28 months) for CDI model for findings that may advance our understanding of how aging influences outcome from CDI. RESULTS: Aged mouse models of CDI uniformly demonstrated more severe disease in the old compared to young mice. Diminished neutrophil recruitment to intestinal tissue in aged mice is the most consistent finding. Differences in innate and humoral immune responses were also observed. The effects of aging on the outcome of infection were reversed by pharmacologic or microbiota-targeted interventions. CONCLUSION: The aged mouse presents an important in vivo model to study CDI and elucidate the mechanisms underlying advanced age as an important risk factor for severe disease.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/34432545/