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Research Article: LPA Alleviates Septic Acute Lung Injury via Protective Endothelial Barrier Function Through Activation of PLC-PKC-FAK

Date Published: 2023-11-08

Abstract:
Septic acute lung injury (ALI) is a potentially lethal medical condition, involves excessive accumulation of alveolar fluid in the pulmonary capillaries, refractory hypoxemia and respiratory embarrassment, resulting from disruption of the lung endothelial barrier integrity. Currently, ALI patients are treated with nitric oxide, mechanical ventilation, extracorporeal membrane oxygenation, and steroid therapy. However, significant advances in ALI recognition and management have been made, treatment options remain limited to enable substantial improvement in survival. Pulmonary vascular endothelial cells are vital constituents of the pulmonary capillary barrier and form a semi-permeable barrier at the interface between the blood in circulation and nearby tissues. The impairment of the endothelial barrier results in heightened vascular permeability, thus thought to be an important factor in septic ALI. When endothelial injury occurs, the release of inflammatory mediators disrupts the integrity of the vascular endothelial barrier which contribute to high mortality in septic ALI. Since increased pulmonary vascular permeability is the main pathophysiological characteristic of ALI, targeting endothelial barrier dysfunction is a potential approach to treat septic ALI.

Introduction:
Septic acute lung injury (ALI) is a potentially lethal medical condition, involves excessive accumulation of alveolar fluid in the pulmonary capillaries, refractory hypoxemia and respiratory embarrassment, resulting from disruption of the lung endothelial barrier integrity. Currently, ALI patients are treated with nitric oxide, mechanical ventilation, extracorporeal membrane oxygenation, and steroid therapy. However, significant advances in ALI recognition and management have been made, treatment options remain…

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