Chlamydospore-like cells of Candida albicans in the gastrointestinal tract of infected, immunocompromised mice
1991
We have demonstrated in a previously described murine model of gastrointestinal (GI) and systemic candidiasis that the antifungal angent cilofungin was efficacious in clearing infection of body organs when administered subcutaneously by infusion, but permitted large numbers of Candida albicans in the GI tract to persist. Yeast and hyphae in these animals were associated primarily with the stratified squamous epithelium of the stomach. Administration of immunocompromising drugs (cyclophosphamide plus cortisone acetate) to animals with persistent GI infection resulted in relapse of systemic candidiasis. Histological examination of the gastric mucosa revealed invasive hyphal elements and yeast as well as multiple chlamydospore-like cells. Comparative histochemical and electron-microscopic examinations of these latter cells produced in host tissue and chlamydospores formed in vitro were conducted. The results suggested that similarities in wall and cytoplasmic composition and ultrastructure exist between thes...
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