Amphotericin B-Silver Hybrid Nanoparticles Help to Unveil the Mechanism of Biological Activity of the Antibiotic: Disintegration of Cell Membranes

Autor: Sebastian Janik, Ewa Grela, Sylwia Stączek, Agnieszka Zdybicka-Barabas, Rafal Luchowski, Wieslaw I. Gruszecki, Wojciech Grudzinski
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Molecules, Vol 28, Iss 12, p 4687 (2023)
Druh dokumentu: article
ISSN: 1420-3049
DOI: 10.3390/molecules28124687
Popis: Amphotericin B is a popular antifungal antibiotic, and despite decades of pharmacological application, the exact mode of its biological activity is still a matter of debate. Amphotericin B-silver hybrid nanoparticles (AmB-Ag) have been reported to be an extremely effective form of this antibiotic to combat fungi. Here, we analyze the interaction of AmB-Ag with C. albicans cells with the application of molecular spectroscopy and imaging techniques, including Raman scattering and Fluorescence Lifetime Imaging Microscopy. The results lead to the conclusion that among the main molecular mechanisms responsible for the antifungal activity of AmB is the disintegration of the cell membrane, which occurs on a timescale of minutes.
Databáze: Directory of Open Access Journals
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