Publicação: Antivirulence activity and in vivo efficacy of a thiazole derivative against candidiasis
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Masson Editeur
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Candida albicans is a pathogen equipped with a variety of commensal and virulence traits that help it colonize the microbiota and invade host tissue during infection. In this study, we investigated the potential anticandidal activity of 3-[2-(4-(4-methoxyphenyl)thiazol-2-yl)hydrazino)]butan-1-ol (MT), a thiazolylhydrazone compound synthesized by our group, and identified it as a promising antifungal agent. The activity of MT was evaluated in vitro and in vivo against C. albicans as well as its ability to inhibit virulence factors. For this, the ability of MT to inhibit the adhesion of C. albicans to human buccal epithelial cells and biofilm formation and filamentation was tested. In addition, the potential in vivo activity of MT was evaluated in murine models of oral candidiasis. Our results confirmed the antifungal activity of MT, with a minimal inhibitory concentration range of 0.5-2 mg/mL. Indeed, MT treatment in vitro decreased the expression of C. albicans genes involved in biofilm formation and morphogenesis and encoding hydrolytic enzymes, which was also confirmed through phenotypic observations. In addition, MT promoted a decrease in the colony forming units recovered from the tongues of mice with oral candidiasis. In this work, we present a potent antivirulence compound that shows potential for candidiasis therapy, especially for topical use. (C) 2021 Elsevier Masson SAS. All rights reserved.
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Antifungal, Candida albicans, Thiazole, Virulence, Biofilm, Filamentation
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Inglês
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Journal De Mycologie Medicale. Moulineaux Cedex 9: Masson Editeur, v. 31, n. 2, 6 p., 2021.
