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内毒素对脓毒性ARDS肺内皮细胞通透性的直接影响 被引量:1

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摘要 内毒素可直接或间接作用于脓毒性ARDS肺内皮细胞,导致肺内皮细胞通透性增加。LBP/sCD14在LPS-Ec相互作用中起着主要的调节和增敏作用,而Toll样受体可能是介导LPS信号在内皮细胞等CD14阴性细胞内传递的必要条件;同时MAPK酪氨酸磷酸化在LPS信号转导中起重要作用。内毒素对肺内皮细胞的直接影响可致肌动蛋白解聚、内皮接合部及内皮-酶底物粘着的分离,从而导致细胞旁路开放,肺内皮细胞通透性增加。另外内毒素直接引起肺内皮细胞凋亡、损伤也是导致通透性增加的原因。
出处 《国外医学(麻醉学与复苏分册)》 2001年第3期165-167,共3页 Foreign Medical Sciences(Anesthesilolgy and Resuscitation)
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参考文献10

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同被引文献21

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