Protein C anticoagulant system--anti-inflammatory effects.

Protein C anticoagulant system--anti-inflammatory effects.
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DOI:
10.1007/s00281-011-0284-6
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发表时间:
2012-01
影响因子:
9
通讯作者:
Esmon, Charles T.
Esmon, Charles T.
中科院分区:
医学1区
文献类型:
--
作者:
Esmon, Charles T.

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活化蛋白C(APC)在许多疾病过程中发挥着积极的作用。这些包括由于其直接的抗凝活性而导致的血栓形成,这种活性可能因其细胞保护活性而增强,从而限制促凝血剂细胞膜表面在细胞上的暴露。除此之外,该通路还向细胞发出信号,以防止细胞凋亡,抑制炎症,增强内皮屏障功能,并选择性地下调一些与疾病进展有关的基因。大多数这些功能表现为APC与内皮蛋白C受体(EPCR)结合,允许PAR1激活,但在某些情况下也涉及其他PARS的激活。除了EPCR协调这些变化外,CD11b还能够支持APC信令。对这些通路的选择性控制为疾病的新治疗方法提供了潜力。
Activated protein C (APC) plays active roles in preventing progression of a number of disease processes. These include thrombosis due to its direct anticoagulant activity which is likely augmented by its cytoprotective activity, thereby limiting exposure of procoagulant cellular membrane surfaces on cells. Beyond that, the pathway signals the cells to prevent apoptosis, to dampen inflammation, to increase endothelial barrier function, and to selectively downregulate some genes implicated in disease progression. Most of these functions are manifested to APC binding to endothelial protein C receptor (EPCR) allowing PAR1 activation, but activation of other PARS is also implicated in some cases. In addition to EPCR orchestrating these changes, CD11b is also capable of supporting APC signaling. Selective control of these pathways offers potential in new therapeutic approaches to disease.
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