期刊
EXPERT REVIEW OF ANTI-INFECTIVE THERAPY
卷 18, 期 11, 页码 1083-1092出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14787210.2020.1792288
关键词
Fungi; sphingolipids; antifungal therapy; glucosylceramide; inositol phosphorylceramide
资金
- NIH [AI116420, AI125770, AI136934, I01BX002624]
- Veterans Affairs Program
Introduction The antifungal therapy currently available includes three major classes of drugs: polyenes, azoles and echinocandins. However, the clinical use of these compounds faces several challenges: while polyenes are toxic to the host, antifungal resistance to azoles and echinocandins has been reported. Areas covered Fungal sphingolipids (SL) play a pivotal role in growth, morphogenesis and virulence. In addition, fungi possess unique enzymes involved in SL synthesis, leading to the production of lipids which are absent or differ structurally from the mammalian counterparts. In this review, we address the enzymatic reactions involved in the SL synthesis and their relevance to the fungal pathogenesis, highlighting their potential as targets for novel drugs and the inhibitors described so far. Expert opinion The pharmacological inhibition of fungal serine palmitoyltransferase depends on the development of specific drugs, as myriocin also targets the mammalian enzyme. Inhibitors of ceramide synthase might constitute potent antifungals, by depleting the pool of complex SL and leading to the accumulation of the toxic intermediates. Acylhydrazones and aureobasidin A, which inhibit GlcCer and IPC synthesis, are not toxic to the host and effectively treat invasive mycoses, emerging as promising new classes of antifungal drugs.
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