New azole derivatives linked to indole/indoline moieties combined with FLC against drug-resistant Candida albicans†
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Abstract
Candida albicans is the most common fungal pathogen associated with human opportunistic infections. Invasive infections caused by C. albicans are becoming increasingly serious. However, with the rising incidence of fungal infection, many fungi are resistant to commonly used drugs. Therefore, there is an urgent need for exploring new anti-fungal drugs that fungi are not resistant to. A series of novel azole derivatives linked to indole/indoline moieties were prepared, and in vitro antifungal activity evaluated. All compounds combined with FLC showed excellent activity against drug-resistant C. albicans with low toxicity. A preliminary mechanistic study indicated that S1 combined with FLC could inhibit the formation of C. albicans biofilms as well as destroy the integrity of cell-membrane structure and mitochondrial function. S1 could be considered a new fungal agent for further study.
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