The organizing principle of the platelet glycoprotein Ib-IX-V complex.
The organizing principle of the platelet glycoprotein Ib-IX-V complex.
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DOI:
10.1111/jth.12144
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发表时间:
2013-04
期刊:
影响因子:
--
通讯作者:
Emsley J
中科院分区:
文献类型:
--
作者:
Li R;Emsley J
The glycoprotein (GP)Ib-IX-V complex is the platelet receptor for von Willebrand factor and many other molecules critically involved in he most as is and thrombosis. The lack of functional GPIb-IX-V complexes on the platelet surface is the cause of Bernard-Soulier syndrome, a rare hereditary bleeding disorder also associated with macro thrombocytopenia. The GPIb-IX-V complex contains GPIbα, GPIbβ, GPIX and GPV subunits, all of which are type I trans membrane proteins containing leucine-rich repeat domains. Although all the subunits were identified decades ago, not until recently did the mechanism of complex assembly begin to emerge from a systematic characterization of inter-subunit interactions. This review summarizes forces driving the assembly of the GPIb-IX-V complex, discusses their implication on the pathogenesis of Bernard-Soulier syndrome, and identifies questions that remain about the structure and organization of GPIb-IX-V.
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