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糖尿病肌肉皮质伤口再血管化的损伤与减少的透皮H2S相关

Joseph Giacolone¹, Deepali Kulkarni¹, Carolyn Pace¹

¹Department of Surgery, University of New Mexico, Albuquerque, New Mexico.

The Journal of surgical research

|July 23, 2025

概括

糖尿病伤口显示硫化 (H2S) 排放减少,影响愈合和血管生长. H2S疗法可能是治疗不愈合的糖尿病伤口的新方法.

科学领域:

生物医学研究的研究.
伤口愈合伤口愈合
糖尿病并发症糖尿病并发症

背景情况:

糖尿病患病率正在上升,增加了糖尿病不愈合的伤口.
硫化 (H2S) 是伤口愈合和血管生成中的关键信号分子.
糖尿病与较低的H2S水平有关,但其在伤口愈合中的作用尚不清楚.

研究的目的:

在糖尿病缺血性伤口愈合期间调查H2S生理学.
评估H2S皮肤排放与糖尿病伤口的再血管化有关.

主要方法:

在Zucker糖尿病脂肪 (ZDF) 和Sprague Dawley大鼠中创建了全厚的缺血伤.
用激光光斑对比成像和通过皮肤H2S测量来监测重血管化.
组织学分析评估了组织损伤和新血管化;VEGF通过西方免疫块测量.

主要成果:

与对照组相比,ZDF大鼠在愈合过程中表现出皮肤 perfusion 损伤和显著降低 H2S 排放.
糖尿病大鼠表现出更严重的缺血损伤和减少的新血管化 (较少的CD31+血管).
在ZDF大鼠中观察到血管内皮生长因子 (VEGF) 表达的减少.

结论:

通过皮肤的H2S排放受损是糖尿病缺血性伤口的特征.
这些H2S缺陷与伤口再血管化, perfusion 和愈合不良相关.
基于H2S的疗法为糖尿病伤口并发症提供了潜在的新型治疗策略.

关键词:

血管新生的产生.硫化是一种硫化.治疗方法治疗方法组织缺血组织缺血伤口愈合伤口愈合

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