Invention Grant
US08211858B2 Modified plasminogen activator inhibitor type-1 molecule and methods based thereon 有权
修饰的纤溶酶原激活物抑制剂1型分子及其基础的方法

Modified plasminogen activator inhibitor type-1 molecule and methods based thereon
Abstract:
The present invention relates to a modified plasminogen activator inhibitor type-1 (PAI-1) molecule that displays an increased in vivo half-life of the active form of PAI-1, but is deficient in one or more functional activities as compared to the wild-type PAI-1 protein. The modified PAI-1 molecule that displays an increased half-life further displays at least one of the following functional characteristics: (i) decreased binding activity to at least one of the following molecules: urokinase plasminogen activator (uPA), tissue plasminogen activator (tPA) and vitronectin (Vn); and (ii) decreased specific activity against at least one of the following molecules: uPA, tPA and Vn. The invention further relates to pharmaceutical compositions comprising modified PAI-1 molecules and methods of using these pharmaceutical compositions for treatment.
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