Stimulation of human neutrophil phagocytosis of Candida albicans by a beta-glucan synthase inhibitor, cilofungin.

M D Richardson, L A Smyth, G S Shankland

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The effect of a lipopeptide antifungal agent, cilofungin, on serum opsonization and phagocytosis of Candida albicans yeast phase cells in human neutrophil monolayer assays was investigated. Simultaneous addition of fungicidal concentrations of cilofungin did not enhance or inhibit phagocytosis of C. albicans. Pretreatment of Candida blastospores with cilofungin in the absence of serum complement for 1 h did not affect phagocytosis. However, pretreatment of blastospores with cilofungin and complement promoted a significant increase in ingestion. Pretreatment of neutrophils with cilofungin in serum-free media did not affect neutrophil viability. In contrast, pre-exposure of neutrophils to cilofungin in the presence of complement inhibited ingestion of blastospores.
    Original languageEnglish
    JournalFEMS microbiology immunology
    Volume3
    Issue number5
    Publication statusPublished - Oct 1991

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