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Δευτέρα 28 Ιανουαρίου 2019

In vitro activity of a novel antifungal compound, MYC-053, against clinically significant antifungal-resistant strains of Candida glabrata, Candida auris, Cryptococcus neoformans, and Pneumocystis spp. [Experimental Therapeutics]

An urgent need exists for new antifungal compounds to treat fungal infections in immunocompromised patients. The aim of the current study was to investigate the potency of a novel antifungal compound, MYC-053, against the emerging yeast and yeast-like pathogens Candida glabrata, Candida auris, Cryptococcus neoformans, and Pneumocystis spp. MYC-053 was equally effective against the susceptible control strains, clinical isolates, and resistant strains, with the minimum inhibitory concentrations (MIC) of 0.125–4.0 μg/mL. Notably, unlike other antifungals such as azoles, polyenes and echinocandins, MYC-053 was effective against Pneumocystis isolates, therefore being the only synthetic antifungal that may potentially be used against Pneumocistis spp., Candida spp., and Cryptococcus spp.

MYC-053 was highly effective against preformed 48-h-old C. glabrata and C. neoformans biofilms, with the minimal biofilm eradication concentrations equal to 1–4 times MIC. Together, these data indicated that MYC-053 may be developed into a promising antifungal agent for the treatment and prevention of invasive fungal infections caused by yeasts and yeast-like fungi.



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