Provocation of pseudomoniasis with cyclophosphamide in mice
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Abstract:
After treatment with cyclophosphamide, a fatal syndrome was found in mice contaminated with Pseudomonas aeruginosa. The syndrome seems to be caused by P. aeruginosa from the intestine, and the liver is suspected to be the most important target organ.
Insights
Cyclophosphamide treatment in mice contaminated with Pseudomonas aeruginosa led to a fatal syndrome. Intestinal P. aeruginosa translocated to target organs, with the liver being the primary site of damage.
Area of Science:
- Immunology
- Microbiology
- Toxicology
Background:
- Cyclophosphamide is an immunosuppressive drug.
- Pseudomonas aeruginosa is an opportunistic pathogen.
- Intestinal translocation of bacteria can lead to systemic infection.
Purpose of the Study:
- To investigate the cause of a fatal syndrome in cyclophosphamide-treated mice contaminated with P. aeruginosa.
- To identify the source and target organs of P. aeruginosa during this syndrome.
Main Methods:
- Mice were treated with cyclophosphamide.
- Mice were experimentally contaminated with P. aeruginosa.
- Clinical signs, mortality, and organ pathology were assessed.
Main Results:
- A fatal syndrome developed in treated mice.
- P. aeruginosa was identified as the causative agent.
- Evidence suggested intestinal translocation of P. aeruginosa.
- The liver was identified as a key target organ.
Conclusions:
- Cyclophosphamide-induced immunosuppression facilitates P. aeruginosa-mediated fatal syndrome.
- Intestinal P. aeruginosa translocation is a critical factor in disease pathogenesis.
- The liver is a primary target organ in this model of P. aeruginosa infection.
