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Infect Drug Resist. 2017 Jul 31;10:237-245. doi: 10.2147/IDR.S118892. eCollection 2017.

Fluconazole resistance in Candida species: a current perspective.

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1
Mycotic Diseases Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA.

Abstract

Candida albicans and the emerging non-albicans Candida spp. have significant clinical relevance among many patient populations. Current treatment guidelines include fluconazole as a primary therapeutic option for the treatment of these infections, but it is only fungistatic against Candida spp. and both inherent and acquired resistance to fluconazole have been reported. Such mechanisms of resistance include increased drug efflux, alteration or increase in the drug target, and development of compensatory pathways for producing the target sterol, ergosterol. While many mechanisms of resistance observed in C. albicans are also found in the non-albicans species, there are also important and unexpected differences between species. Furthermore, mechanisms of fluconazole resistance in emerging Candida spp., including the global health threat Candida auris, are largely unknown. In order to preserve the utility of one of our fundamental antifungal drugs, fluconazole, it is essential that we fully appreciate the manner by which Candida spp. manifest resistance to it.

KEYWORDS:

Candida; ERG11; drug efflux; ergosterol; fluconazole resistance

Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

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