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Coupling of endothelial injury and repair: an analysis using an in vivo experimental model

机译:内皮损伤与修复的耦合:使用体内实验模型的分析

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摘要

A coupling between inflammation-induced endothelial damage and repair seems reasonable. However, there is little in vivo evidence to support this phenomenon, and it is important to know how inflammation-induced endothelial damage and repair take place in vivo. An elucidation of the pathophys-iology of endothelial injury and repair has been hampered by the lack of an appropriate experimental in vitro model. Most studies have been performed in vitro using isolated endothelial cells in culture without the architecture and matrix of a normal vessel where the complex network of intercellular signals that modulate endothelial cell functions is lacking. Our objective was to provide a better understanding of the coupling of inflammation-induced endothelial damage and repair using an in vivo model. To this end, we have developed a rat model of endothelial damage induced by injecting lipopolysaccharide (LPS) that enables us to analyze the dynamics of endothelial damage and repair.
机译:炎症引起的内皮损伤与修复之间的耦合似乎是合理的。但是,几乎没有体内证据支持这种现象,重要的是要知道炎症诱导的内皮损伤和修复在体内是如何发生的。缺乏合适的体外实验模型阻碍了对内皮损伤和修复的病理学的阐明。大多数研究是在体外使用分离的内皮细胞在体外进行的,没有正常血管的结构和基质,而在正常血管中缺乏调节内皮细胞功能的复杂细胞间信号网络。我们的目标是使用体内模型更好地了解炎症诱导的内皮损伤与修复的耦合。为此,我们已经开发了通过注射脂多糖(LPS)诱导的大鼠内皮损伤模型,该模型使我们能够分析内皮损伤和修复的动力学。

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