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The Pulmonary Vascular Barrier: Insights into Structure, Function, and Regulatory Mechanisms

机译:肺血管屏障:洞察结构,功能和监管机制

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Pulmonary blood vessels act as a well-regulated barrier to the flux of fluid and solutes between the lumen and the air space. Perturbation of the barrier function results in excessive fluid leak into the interstitium and alveoli, and impairs gas exchange. Recent studies provide deeper insight into the precise control mechanisms involved in the regulation of the barrier. This chapter will highlight these mechanisms and discuss the current understanding on the fluid and solute transport pathways across the vascular endothelial layer. In addition, the chapter summarizes the contributions of extra-endothelial structures such as pericytes and glycocalyx in regulating fluid flux across pulmonary vessels. The chapter concludes with an analysis on the impact of pulmonary endothelial heterogeneity and experimental models on current interpretations of barrier function and regulatory mechanisms.
机译:肺血管用作流体助焊剂的稳定障碍,并在内腔和空气空间之间溶质。 屏障功能的扰动导致过度的流体泄漏到插形和肺泡中,损害气体交换。 最近的研究提供了深入了解屏障调节的精确控制机制。 本章将突出这些机制,并讨论对血管内皮层的流体和溶质转运途径的目前的理解。 此外,本章总结了外内皮结构的贡献,如腹膜和甘油糖,在调节肺血管上调节液体助焊剂。 本章的结论是分析了肺内皮异质性和实验模型对屏障函数和监管机制目前解释的影响。

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