核桃酮(5-羟基-1,4-萘醌)对氟康唑耐药和敏感念珠菌的体外活性研究

IF 1.5 4区 生物学 Q4 MYCOLOGY
Afsane Vaezi , Masoud Moghadaszadeh , Elahe Nasri , Shima Gharibi , Kambiz Diba , Adam Matkowski , Hamed Fakhim
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引用次数: 1

摘要

随着抗真菌药物耐药性的增加和药物种类的限制,全世界的发病率和死亡率都在上升。这一问题突出了迫切需要新的和改进的抗真菌药物与一个新的目标。目的为了评价核桃胶酮是否可以作为耐药念珠菌感染的替代抗真菌药物,我们研究了核桃胶酮对氟康唑敏感和耐药念珠菌的体外敏感性。方法按照临床与实验室标准协会(CLSI)指南进行真菌药敏试验。结果核桃酮最低抑菌浓度最高,氟康唑次之,制霉菌素次之。伏立康唑的抗真菌活性显著优于核桃酮、氟康唑和制霉菌素,MIC50和MIC90分别为0.031和0.5 μg/mL。氟康唑的mic差异有统计学意义(p <0.001)和朱格隆(p <0.0003)白色念珠菌与其他种类之间的差异。核桃酮与氟康唑联用对氟康唑敏感和耐药念珠菌的影响不显著。核桃酮能增强氟康唑的抗真菌活性;然而,任何组合均未观察到增效作用,对所有被试念珠菌只有不显著的作用。结论获得新的抗真菌药物是关键,但应采取全新的途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
In vitro activity of juglone (5-hydroxy-1,4-naphthoquinone) against both fluconazole-resistant and susceptible Candida isolates

Background

The rise in antifungal resistance and drug class limitations are causing higher morbidity and mortality rates all over the world. This issue highlights the urgent need for new and improved antifungal drugs with a novel target.

Aims

In order to evaluate whether juglone can be served as an alternative antifungal to cure drug-resistant Candida infections, we studied the in vitro susceptibility of juglone against fluconazole-susceptible and -resistance Candida isolates, alone and in combination.

Methods

Antifungal susceptibility testing was performed according to the CLSI (Clinical and Laboratory Standards Institute) guidelines.

Results

Juglone exhibited the highest minimal inhibitory concentration (MIC) values, followed by fluconazole and nystatin. Voriconazole showed significantly better antifungal activity than juglone, fluconazole, and nystatin, with MIC50 and MIC90 of 0.031 and 0.5 μg/mL. There were significant differences in MICs of fluconazole (p < 0.001) and juglone (p < 0.0003) between Candida albicans and the rest of the species. Combination of juglone with fluconazole revealed insignificant effects against fluconazole-susceptible and -resistant Candida isolates. Juglone increased the antifungal activity of fluconazole; however, no synergism effects were observed for any combination, and only an insignificant effect was found against all tested Candida species.

Conclusions

Although obtaining new antifungal drugs is a critical point, a completely novel approach should be implemented.

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来源期刊
CiteScore
1.90
自引率
0.00%
发文量
17
审稿时长
81 days
期刊介绍: Revista Iberoamericana de Micología (Ibero-American Journal of Mycology) is the official journal of the Asociación Española de Micología, Asociación Venezolana de Micología and Asociación Argentina de Micología (The Spanish, Venezuelan, and Argentinian Mycology Associations). The Journal gives priority to publishing articles on studies associated with fungi and their pathogenic action on humans and animals, as well as any scientific studies on any aspect of mycology. The Journal also publishes, in Spanish and in English, original articles, reviews, mycology forums, editorials, special articles, notes, and letters to the editor, that have previously gone through a scientific peer review process.
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