Abstract
Invasive fungal infections have become an increasingly serious threat to global human health, underscoring the urgent need for the development of new antifungal drugs. In this study, we found a natural polyphenolic compound 1,2,3,4,6-O-pentagalloyl-glucose (PGG), which is present in various plants and herbs. PGG showed broad-spectrum antifungal activities, enhancing the efficacy of fluconazole. Furthermore, PGG could protect mice against gastrointestinal and systemic infection with Candida albicans. Our mechanistic studies revealed that PGG exerts its antifungal effects partially by binding to the CaEno1 protein to inhibit its activity. As a crucial therapeutic target, Eno1 has been reported to be closely associated with cancer, hypertension, and infectious diseases. Our findings indicated that PGG, a new Eno1 inhibitor, is a potential candidate for further antifungal development.
Published Version
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