期刊
THROMBOSIS AND HAEMOSTASIS
卷 91, 期 3, 页码 425-437出版社
GEORG THIEME VERLAG KG
DOI: 10.1160/TH03-12-0764
关键词
PAl-l; serpin; fibrinolysis; thrombosis
Plasminogen activator inhibitor-I (PAI-I) is an important component of the plasminogen/plasmin system as it is the main inhibitor of tissue-type and urokinase-type plasminogen activator. Consequently, PAI-I plays an important role in cardiovascular diseases (mainly through inhibition of t-PA), and in cell migration and tumor development (mainly through inhibition of u-PA and interaction with vitronectin). As a member of the serpin superfamily, PAI-I shares important structural properties with other serpins. However, PAI-I also exhibits unique conformational and functional properties. The current review provides an overview of the knowledge on PAI-I gathered,since its discovery two decades ago. We discuss (a) its structural properties of the protein and their subsequent relation to functional activities, (b) its role in a wide variety of (patho)physiological processes and (c) a number of strategies to interfere with its functional properties eventually aiming at pharmacological modulation of this risk factor.
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