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首页> 外文期刊>Cytokine >VEGF increases the permeability of sheep pleura ex vivo through VEGFR2 stimulation
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VEGF increases the permeability of sheep pleura ex vivo through VEGFR2 stimulation

机译:VEGF通过VEGFR2刺激增加离体绵羊胸膜的通透性

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摘要

Vascular endothelial growth factor (VEGF), a cytokine that increases vascular permeability to water and proteins and induces angiogenesis, has been implicated in the development of pleural effusions. Inflammatory and malignant pleural effusions are rich in VEGF content while mesothelial cells produce and excrete VEGF. In this report we aimed at investigating by means of electrophysiology the direct effects of VEGF on the parietal and visceral sheep pleura as well as the type of receptors that mediate this effect. Our findings show that VEGF has a direct effect on the pleural mesothelium rendering it more permeable and this effect is mediated through the stimulation of VEGF receptor 2. Our findings shed more light to the role of VEGF in the pathogenesis of pleural effusions and provide functional evidence for a role of VEGFR2 on the pleural mesothelium that has never been studied before.
机译:血管内皮生长因子(VEGF)是一种增加血管对水和蛋白质的血管渗透性并诱导血管生成的细胞因子,与胸腔积液的发生有关。炎性和恶性胸腔积液富含VEGF,而间皮细胞则产生并分泌VEGF。在本报告中,我们旨在通过电生理学方法研究VEGF对壁层和内脏绵羊胸膜的直接作用以及介导这种作用的受体类型。我们的发现表明,VEGF对胸膜间皮具有直接作用,使其更具渗透性,并且这种作用是通过刺激VEGF受体2介导的。我们的发现为VEGF在胸腔积液的发病机理中的作用提供了更多线索,并提供了功能证据VEGFR2在胸膜间皮中的作用从未有过研究。

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