Activity of cilofungin against coccidioides immitis: Differential in vitro effects on mycelia and spherules correlated with in vivo studies

John N. Galgiani, Sung H. Sun, Karl V. Clemons, David A. stevens

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Cilofungin, a new antifungal drug, was found to inhibit mycelial growth of Coccidioides immitis. Light and electron microscopic observations indicated delay in development of the outer hyphal wall. Cilofungin also blocked incorporation of the chitin substrate, N-acetylglucosamine, into mycelia. However, when C. immitiswas grown under conditions that induced spherule development, drug effects were dramatically decreased. Furthermore, efficacy of cilofungin in treatment of murine coccidioidomycosis could not be demonstrated. These studies indicate that glucansynthase inhibitors have activity against C. immitis, and other compounds with different pharmacologic properties or in combination with other antifungal drugs may exploit this biologiceffect.

Original languageEnglish (US)
Pages (from-to)944-948
Number of pages5
JournalJournal of Infectious Diseases
Volume162
Issue number4
DOIs
StatePublished - Oct 1990

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

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