Opening the flood-gates: how neutrophil-endothelial interactions regulate permeability.
Opening the flood-gates: how neutrophil-endothelial interactions regulate permeability.
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DOI:
10.1016/j.it.2009.07.012
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发表时间:
2009-11
影响因子:
16.8
通讯作者:
Ley K
中科院分区:
文献类型:
--
作者:
DiStasi MR;Ley K
Many diseases have an inflammatory component, where neutrophil interactions with the vascular endothelium lead to barrier dysfunction and increased permeability. Neutrophils increase permeability through secreted products like the chemokines CXCL1, 2, 3 and 8, through adhesion-dependent processes like β2 integrins interacting with endothelial ICAM-1, and combinations, where β2 integrin engagement leads to degranulation and secretion of heparin-binding protein (HBP), which in turn increases permeability. Some neutrophil products like arachidonic acid or leukotriene (LT)A4 are further processed by endothelial enzymes through transcellular metabolism before the resulting products thromboxane A2, LTB4 or LTC4 can activate their cognate receptors. Neutrophils also generate reactive oxygen species that induce vascular leakage. This review focuses on the mechanisms of neutrophil-mediated leakage.
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