低温冷血通过抑制皮肤炎症和改善皮肤微生物群来促进伤口愈合
Jie Zhou1,2, Zengkun Sun1,2, Xiaoru Wang1,2
1School of Bioengineering, Qilu University of Technology (Shandong Academy of Science), Jinan, Shandong, China.
Frontiers in bioengineering and biotechnology
|March 7, 2025
概括
低温冷血 (LTCP) 疗法加速皮肤伤口愈合,特别是在老年小鼠中. 这种创新的治疗方法可以减少炎症,并通过调节基因表达和改善皮肤来促进组织修复.
科学领域:
- 生物医学工程 生物医学工程
- 皮肤病学 皮肤病学
- 伤口治愈研究研究 伤口治愈研究
背景情况:
- 伤口愈合涉及复杂的阶段:静血,炎症,增殖和重塑.
- 衰老,感染和慢性疾病阻碍了愈合,导致慢性伤口.
- 低温冷等离子体 (LTCP) 为伤口管理提供了一种安全,环保和用户友好的物理治疗方法.
研究的目的:
- 研究自己开发的LTCP装置对皮肤伤口愈合的生物效应和机制.
- 评估LTCP在加速成年和老年小鼠伤口关闭方面的有效性.
- 阐明LTCP对炎症,衰老相关和组织修复途径的影响.
主要方法:
- 在成年和老年小鼠模型上使用自主开发的低温冷等离子体 (LTCP) 装置.
- 进行了组织病理学分析,以评估愈合率和组织再生.
- 进行基因表达分析以评估关键的分子通路,包括炎症,衰老,增殖和血管生成.
- 在LTCP治疗前后分析了皮肤伤口微生物组合.
主要成果:
- 在老鼠中,LTCP显著加快了皮肤伤口愈合率,在老年人中有效性提高.
- 通过LTCP抑制了促炎性细胞因子 (TNF-α,IL-6,IL-1β) 和衰老因子 (MMP-3,MMP-9).
- LTCP上调组织修复因子 (VEGF,bFGF,TGF-β,COL-I,α-SMA) 和调节细胞增殖,迁移,炎症和血管生成的基因.
- 通过LTCP治疗可以减少致病细菌 (例如,Delftia, Stenotrophomonas) 和增加有益细菌 (例如,Muribaculaceae),改善伤口微生物群.
结论:
- LTCP是一种有前途的治疗方式,可以加速皮肤伤口愈合,特别是在老化皮肤中.
- 通过调节炎症和衰老路径,促进组织修复和优化伤口微生物群来发挥LTCP的作用.
- 这些发现支持LTCP的潜在临床应用,用于治疗各种皮肤伤口,特别是那些因衰老而复杂的皮肤伤口.
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