作为治疗骨髓炎的抗菌和骨质诱导剂的Desmidorchis retrospiciens衍生金纳米颗粒的双重功能
Basem M Abdallah1,2, Peramaiyan Rajendran1,2, Enas M Ali1,2
1Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia.
Frontiers in microbiology
|August 20, 2025
概括
来自Desmidorchis retrospiciens的植物制成金纳米颗粒 (DR-AuNPs) 对MRSA具有强大的抗菌作用,并促进骨再生. 这些DR-AuNP提供了双重作用的治疗方法来治疗骨髓炎.
科学领域:
- 生物材料科学
- 纳米技术
- 复原医学
背景情况:
- 骨髓炎是一种严重的骨感染,通常由MRSA引起,导致严重的残疾.
- 由于抗生素耐药性和骨再生能力有限, 目前的治疗方法面临挑战.
- 需要一种具有抗菌和骨再生功能的双重作用治疗剂来有效治疗骨髓炎.
研究的目的:
- 使用Desmidorchis retrospiciens植物提取物制造金纳米粒子 (DR-AuNPs).
- 评估DR- AuNPs对MRSA诱导的骨髓炎的抗菌和骨质诱导潜力.
主要方法:
- 通过电子显微镜,XRD,EDX和FTIR合成和表征DR-AuNP.
- 通过生物膜测定和反应性氧物种 (ROS) 分析评估了抗菌活性.
- 使用骨髓衍生干细胞 (BMSCs) 的体外和体外细胞生物学试验研究了骨质诱导作用.
主要成果:
- 通过增加ROS产量和破坏细菌细胞膜和结构,DR- AuNPs对MRSA表现出显著的抗菌活性.
- DR- AuNPs有效抑制了MRSA生物膜的形成.
- 在实验室中,DR- AuNPs促进了BMSC分化为骨质细胞,并在体内增强了宫外骨的形成,没有细胞毒性.
结论:
- 绿色合成的DR-AuNP具有双重抗菌和骨质诱导性.
- 在骨髓炎治疗中,DR-AuNPs是一个有前途的生物活性剂.
- 这项研究强调了植物纳米颗粒对抗骨感染和促进骨修复的潜力.
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