基于teicoplanin和borneol的无载体纳米颗粒用于增强MRSA传染性伤口愈合
Xin Wang1, Shuyang Hu1, Ya-Nan Fu1,2
1State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China. wangxing@mail.buct.edu.cn.
Biomaterials science
|September 1, 2025
概括
新的响应pH的纳米颗粒结合了teicoplanin和博尔酸盐,增强了对黄金菌和MRSA的抗菌活性,促进了伤口愈合.
科学领域:
- 生物材料科学
- 纳米技术
- 传染性疾病
背景情况:
- 抗生素耐药性对全球健康构成重大威胁.
- 开发新的抗菌策略对于对抗耐药性细菌感染至关重要.
- 现有治疗方法经常面临有效性和耐药性的挑战.
研究的目的:
- 开发适应pH的无载体纳米颗粒 (BF-TEI NPs),以提高抗菌效果.
- 调查teicoplanin (TEI) 和甲基酸 (BF) 的协同抗菌作用.
- 评估BF-TEINP在治疗细菌感染和促进伤口愈合方面的实验室和体内表现.
主要方法:
- 通过TEI和BF之间的Schiff基结合制造BF-TEINP.
- 对纳米粒子自组合和对pH反应药物释放的评估.
- 对黄金葡萄球菌和MRSA的体外抗菌活性的评估.
- 在感染的伤口模型中评估疗效和生物相容性的体内研究.
主要成果:
- BF-TEI NPs证明了由酸性微环境触发的同步释放BF和TEI.
- 增强的体外抗菌活性与较低的最小抑制和杀菌度. 与物理混合物相比.
- 在活体感染部位有效消除MRSA并加速伤口愈合.
- 在体外和体内,BF-TEI NPs具有良好的生物相容性和安全性.
结论:
- 抗生素的无载体自组提供了一种克服耐药性的创新策略.
- 适应pH的BF-TEINP具有协同抗菌作用,并改善感染性伤口愈合.
- 这种方法有望开发抗生素耐药性细菌的新疗法.
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