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J. Römisch

Factor VII Activating Protease (FSAP): A Novel Protease in Hemostasis

Recently a novel serine protease in human plasma was described and was named PHBP, PHBSP or factor seven activating protease (FSAP), respectively, the latter according to the finding that it can support coagulation by factor VII activation. Later on FSAP was identified as a potent activator of single chain plasminogen activators, in particular of prourokinase, as well. The physiological role of FSAP is still speculative, but recent studies suggest a contribution to hemostasis. Due to its affinity to glycosaminoglycans a role in cellassociated or extracellular proteolytic events is also likely. The impact of a very recently uncovered frequent polymorphism impairing the prourokinase activation potential of FSAP needs to be investigated in more detail.

Biological Chemistry, Walter de Gruyter

Print ISSN: 1431-6730
Volume: 383, 08/2002
Pages: 1119 - 1124

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