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    • 10. 发明申请
    • MODIFIED PLASMINOGEN ACTIVATOR INHIBITOR TYPE-1 MOLECULE AND METHODS BASED THEREON
    • 改良的PLASMINOGEN激活剂抑制剂类型1分子及其方法
    • WO2009014564A3
    • 2010-03-11
    • PCT/US2008005272
    • 2008-04-24
    • UNIV TOLEDOJANKUN JERZYSKRZYPCZAK-JANKUN EWASELMAN STEVEN H
    • JANKUN JERZYSKRZYPCZAK-JANKUN EWASELMAN STEVEN H
    • C12N15/00C12N15/09
    • C07K14/8132A61K38/00
    • 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 funtional 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-I molecules and methods of using these pharmaceutical compositions for treatment.
    • 本发明涉及改善的纤溶酶原激活物抑制剂1型(PAI-1)分子,其表现出活性形式的PAI-1的体内半衰期增加,但与一种或多种功能活性相比,缺乏一种或多种功能活性 野生型PAI-1蛋白。 显示增加的半衰期的修饰的PAI-1分子进一步显示以下功能特征中的至少一种:(i)降低与至少一种以下分子的结合活性:尿激酶纤溶酶原激活物(uPA),组织纤溶酶原激活剂 tPA)和玻连蛋白(Vn); 和(ii)对下列分子中的至少一种分子的比活性降低:uPA,tPA和Vn。 本发明还涉及包含改性PAI-1分子的药物组合物和使用这些药物组合物进行治疗的方法。