在pH/活性氧物种辅助的活体细菌疗法的评估,用于治疗伤口感染的基于酸盐的双反应性水凝
Yu Miao1, Jielu Wei1, Xueqing Chen1
1Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China.
International journal of biological macromolecules
|May 22, 2024
概括
这项研究引入了一种用于治疗伤口感染的新型益生菌水凝. SA-SPBA@L.rha水凝有效地对抗病原体,同时支持有益细菌,促进更快的皮肤伤口修复.
科学领域:
- 生物材料科学 生物材料科学
- 伤口愈合 治愈 伤口愈合
- 抗微生物战略 抗微生物策略
背景情况:
- 抗生素耐药性需要先进的伤口护理解决方案.
- 传统的抗微生物药物破坏了皮肤的自然微生态系统.
- 像Lactobacillus rhamnosus (L.rha) 这样的益生菌为感染管理提供了一个有前途的替代方案.
研究的目的:
- 开发一种双响应的水凝,用于提供益生菌.
- 创建一个安全有效的伤口包裹治疗感染.
- 为了研究水凝的抗菌,抗氧化和抗炎性质.
主要方法:
- 从藻酸盐 (SA) 和一种新型交叉链接剂 (SPBA) 合成一个pH/ROS双反应凝 (SA-SPBA).
- 在SA-SPBA水凝中加载Lactobacillus rhamnosus (L.rha).
- 评估水凝的特性,包括可注射性,自我愈合性,生物相容性和抗菌有效性.
- 评估抗氧化剂,抗炎能力和伤口愈合加速.
主要成果:
- 这种SA-SPBA@L.rha水凝证明了L.rha的生存,可注射性和自我愈合能力的提高.
- 水凝对病原性细菌表现出剂量依赖的抗微生物活性.
- 观察到显著的抗氧化和抗炎作用,促进加速伤口修复.
- 该材料显示出良好的生物相容性,表明其用于伤口应用的安全性.
结论:
- 开发的SA-SPBA@L.rha水凝是一种有前途的平台,用于治疗伤口感染的益生菌.
- 这种双响应的水凝提供了一种安全有效的策略,用于管理皮肤伤口感染并促进愈合.
- 该方法通过保护有益细菌和恢复微生态系统平衡来解决传统抗微生物药物的局限性.
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