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    • 1. 发明授权
    • Thrombin-activatable plasminogen activator
    • 凝血酶激活性纤溶酶原激活物
    • US5571708A
    • 1996-11-05
    • US49195
    • 1993-04-19
    • Wen-Pin YangGary R. MatsuedaShyh-Yu Shaw
    • Wen-Pin YangGary R. MatsuedaShyh-Yu Shaw
    • A61K38/00C07K16/18C12N9/72C12P21/08A61K38/48C07H19/00C07K16/00
    • C12N9/6462C07K16/18C12Y304/21073A61K38/00C07K2319/00
    • A new chimeric plasminogen activator with high fibrin affinity was designed to bind to a fibrin clot and initiate clot destruction in the presence of thrombin, but not plasmin. The chimeric molecule has an antibody variable region having a fibrin-specific antigen binding site and a single chain urokinase region having a thrombin activation site but not a plasmin activation site. The preferred embodiment, 59D8-ScuPA-T, has an N-terminal fragment of an anti-fibrin antibody (59DB) and a C-terminal thrombin-activatable low molecular weight single-chain urokinase plasminogen activator (scuPA-T). The scuPA-T portion was obtained by deletion of two amino acids (Phe157 and Lys 158) that make up the plasmin activation site from low molecular weight single chain urokinase-type plasminogen activator (scuPA).
    • 设计具有高纤维蛋白亲和力的新的嵌合纤溶酶原激活物结合纤维蛋白凝块,并在凝血酶存在下引发凝块破坏,而不是纤溶酶。 嵌合分子具有具有纤维蛋白特异性抗原结合位点的抗体可变区和具有凝血酶活化位点而不是纤溶酶活化位点的单链尿激酶区。 优选的实施方案59D8-ScuPA-T具有抗纤维蛋白抗体(59DB)和C末端凝血酶激活的低分子量单链尿激酶纤溶酶原激活物(scuPA-T)的N-末端片段。 通过从低分子量单链尿激酶型纤溶酶原激活物(scuPA)中缺失构成纤溶酶活化位点的两个氨基酸(Phe157和Lys158)获得scuPA-T部分。
    • 10. 发明授权
    • Nucleic acid molecules and polypeptides encoding baboon TAFI
    • 编码狒狒TAFI的核酸分子和多肽
    • US07091331B2
    • 2006-08-15
    • US10379836
    • 2003-03-04
    • James K. TamuraGary R. MatsuedaMei-Yin HsuAkbar Nayeem
    • James K. TamuraGary R. MatsuedaMei-Yin HsuAkbar Nayeem
    • C07H21/01C07H21/04C07K1/14
    • C12N9/48A61K38/00
    • The present invention relates to the isolation and identification of novel baboon nucleic acid molecules and proteins and polypeptides encoded by such nucleic acid molecules, or degenerate variants thereof, which proteins and polypeptides comprise novel baboon thrombin-activatable fibrinolysis inhibitors or “TAFI” enzyme molecules. Because the novel baboon TAFI proteins and polypeptides of the invention inhibit the breakdown of blood clots, they may be therapeutically useful for the treatment of blood disorders wherein clotting needs to be regulated or promoted, such as hemophilia or von Willebrand's disease or in other situations, such as trauma, wherein blood clotting or coagulation needs to be regulated or promoted. The sequences of the invention are also useful in screening methods for the identification of compounds that modulate the expression of the baboon TAFI nucleic acids and/or the activity of the baboon TAFI proteins and polypeptides of the invention. Such agonist or antagonist compounds may be useful in the treatment of various blood clotting disorders and conditions requiring hemostatic control such as hemophilia or various thrombotic diseases such as deep venous thrombosis, coronary artery disease, stroke associated with atrial fibrillation and recurrent thrombosis following stroke or myocardial infarction.
    • 本发明涉及分离和鉴定由这种核酸分子或其简并变体编码的新型狒狒核酸分子和蛋白质和多肽,其蛋白质和多肽包含新型狒狒凝血酶可激活的纤维蛋白溶解抑制剂或“TAFI”酶分子。 因为本发明的新型狒狒TAFI蛋白质和多肽抑制血凝块的分解,所以它们可用于治疗需要调节或促进凝血的血液病症,例如血友病或血管性血友病或其他情况, 例如创伤,其中需要调节或促进凝血或凝血。 本发明的序列也可用于鉴定调节狒狒TAFI核酸表达的化合物和/或本发明的狒狒TAFI蛋白和多肽的活性的筛选方法。 这样的激动剂或拮抗剂化合物可用于治疗各种血液凝固病症和需要止血控制的病症,例如血友病或各种血栓形成疾病如深静脉血栓形成,冠状动脉疾病,与心房颤动相关的中风和中风或心肌复发性血栓形成 梗死。