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首页> 外文期刊>Blood: The Journal of the American Society of Hematology >Factor X binding to endothelial cell protein C receptor: comparison with factor VIIa and activated protein C.
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Factor X binding to endothelial cell protein C receptor: comparison with factor VIIa and activated protein C.

机译:因子X与内皮细胞蛋白C受体的结合:与因子VIIa和活化蛋白C的比较。

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摘要

Endothelial cell protein C receptor (EPCR) is the cellular receptor for protein C (PC) and activated protein C (APC). Studies from our laboratory1 and others2'3 have shown that FVII/FVIIa also binds to EPCR in a true-ligand fashion. Recently, it has been suggested that FX4 and FXa5 can bind to EPCR and these interactions may play a role in regulating TF-FVIIa-FXa- or FXa-mediated cell signaling via activation of protease activated receptors (PARs). This reported observation that FX/FXa binds to EPCR is somewhat surprising given that the specific Gla domain residues of protein C necessary for molecular recognition of EPCR are not completely conserved in human FX.
机译:内皮细胞蛋白C受体(EPCR)是蛋白C(PC)和活化蛋白C(APC)的细胞受体。我们实验室[1]和其他研究[2] 3的研究表明,FVII / FVIIa也以真配体方式与EPCR结合。最近,有人提出,FX4和FXa5可以与EPCR结合,并且这些相互作用可能通过激活蛋白酶激活受体(PARs)来调节TF-FVIIa-FXa-或FXa介导的细胞信号传导。鉴于FX / FXa与EPCR结合的这一报道报道有些令人惊讶,因为对EPCR进行分子识别所必需的C蛋白的特定Gla结构域残基在人FX中并不完全保守。

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