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Murine Model of Pulmonary Mucormycosis in Cortisone-Treated Mice

机译:可的松治疗小鼠肺毛霉菌病的小鼠模型

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Intranasal inoculation of Rhizomucor pusillus sporangiospores into cortisone-treated mice produced pulmonary and disseminated mucormycosis (phycomycosis). Evidence for infection in cortisone treated mice was obtained by recovery of Rh pusillus for homogenates of tissue. Confirmation of infection was shown histologically. The 50% infection dose was 800 colony forming units for lung infections and 1,400,000 colony forming units for brain infections. No evidence of sporangispore germination was found in tissues of non-cortisone treated mice although sporangiospores were found throughout pulmonary tissues. In infected tissues of cortisone-treated mice, hyphae were covered with leukocytes and tissue necrosis was extensive.

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