Discovery of evodiamine derivatives as potential lead antifungal agents for the treatment of superficial fungal infections
Bioorganic chemistry(2022)
Abstract
Mycosis, especially superficial fungal infections (SFIs), has been a serious threat to humans in recent years. Evodiamine (EVO), as an effective component of the Traditional Chinese Medicine Evodia rutaecarpa, has good antibacterial effects and low toxicity. In order to find out the potential therapeutic agents against SFIs, a series of EVO derivatives were synthesized and systematic evaluations of antifungal activity were carried out. Among them, compound A7 exhibited great antifungal activity with the values of MIC100 were 38, 38 and 2 mu g/mL, respectively, against T. rubrum, T. mentagrophytes and C. albicans, and even stronger than that of ketoconazole (KCZ) with the values of MIC100 were 106, 106 and 3 mu g/mL, respectively. Further antifungal evaluations in vitro verified that compound A7 indeed had favorable antifungal activity. Moreover, compound A7 could exert excellent antifungal effect on T. rubrum-infected guinea pigs, suggesting that A7 was an attractive molecule and could be a potential lead compound for the development of anti-fungal agents, and providing a great promising therapeutic strategy for fungal disease.
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Key words
Evodiamine derivatives,Antifungal activity,Superficial fungal infections
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