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探索载有紫铆因的介孔二氧化硅纳米颗粒对[具体两种病菌未给出]的抗真菌潜力:生长抑制和生物膜破坏

Exploring the Antifungal Potential of Lawsone-Loaded Mesoporous Silica Nanoparticles Against and : Growth Inhibition and Biofilm Disruption.

作者信息

Nikoomanesh Fatemeh, Sedighi Mahsa, Bourang Mahdi Mahmmoodi, Rafiee Mitra, Santos André Luis Souza Dos, Roudbary Maryam

机构信息

Infectious Disease Research Center, Birjand University of Medical Sciences, Birjand 9717853577, Iran.

Medical Nanotechnology Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran 1517964311, Iran.

出版信息

J Fungi (Basel). 2025 Jun 1;11(6):427. doi: 10.3390/jof11060427.

Abstract

The incidence of fungal infections is significantly rising, posing a challenge due to the limited class of antifungal drugs. There is a necessity to combat emerging resistant fungal infections by developing novel antifungal agents. This study aimed to evaluate the antifungal effects of lawsone (LAW), a natural component extracted from herbal medicine, and LAW-loaded mesoporous silica nanoparticles (LAW-MSNs) on growth, biofilm formation, and expression of and genes contributing to cell adhesion of spp. Twenty and twenty isolates, including ten fluconazole-resistant and ten fluconazole-susceptible isolates, were examined. The findings of the study indicated that LAW and LAW-MSNs inhibited isolates growth at MIC range of 0.31->5 µg/mL and significantly reduced biofilm formation in and . Moreover, both LAW and LAW-MSNs downregulated the expression of the adhesion genes and in and Based on the obtained findings, LAW emerged as a promising antifungal candidate. However, the nano-formulation (LAW-MSNs) improved its antifungal properties.

摘要

真菌感染的发生率正在显著上升,由于抗真菌药物种类有限,这构成了一项挑战。有必要通过开发新型抗真菌药物来对抗新出现的耐药真菌感染。本研究旨在评估从草药中提取的天然成分胡桃醌(LAW)以及负载胡桃醌的介孔二氧化硅纳米颗粒(LAW-MSNs)对白色念珠菌生长、生物膜形成以及参与细胞黏附的相关基因表达的抗真菌作用。研究了20株白色念珠菌和20株热带念珠菌分离株,其中包括10株氟康唑耐药和10株氟康唑敏感分离株。研究结果表明,LAW和LAW-MSNs在0.31->5 µg/mL的最低抑菌浓度(MIC)范围内抑制念珠菌分离株生长,并显著减少白色念珠菌和热带念珠菌中的生物膜形成。此外,LAW和LAW-MSNs均下调了白色念珠菌和热带念珠菌中黏附基因的表达。基于所获得的研究结果,LAW成为一种有前景的抗真菌候选药物。然而,纳米制剂(LAW-MSNs)改善了其抗真菌特性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c972/12194241/0b8e71f171cb/jof-11-00427-g001.jpg

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