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    • 1. 发明申请
    • THERAPEUTIC POLYPEPTIDES BASED ON VON WILLEBRAND FACTOR
    • 基于VON WILLEBRAND因子的治疗性多糖
    • WO1993000357A1
    • 1993-01-07
    • PCT/US1992005472
    • 1992-06-29
    • RHONE-POULENC RORER INTERNATIONAL (HOLDINGS) INC.THE SCRIPPS RESEARCH INSTITUTECHANG, Michael, N.MCGARRY, Daniel, G.REGAN, John, R.RUGGERI, Zaverio, M.WARE, Jerry, L.
    • RHONE-POULENC RORER INTERNATIONAL (HOLDINGS) INC.THE SCRIPPS RESEARCH INSTITUTE
    • C07K03/08
    • C07K14/755A61K38/00
    • A polypeptide patterned on a fragment of wild type mature von Willebrand factor (vWF) subunit having one or more binding sites of predetermined affinity for one or more of the ligands selected from the group consisting of collagen, glycosaminoglycans, proteoglycans, platelet glycoprotein Ib alpha , platelet glycoprotein IIb/IIIa, or coagulation factor VIII, said polypeptide having a modified amino acid sequence relative to that of said fragment and an increased binding affinity, relative to said predetermined affinity, for one or more of said ligands, including also such a polypeptide prepared by mutagenesis of a DNA sequence and patterned on wild type mature vWF subunit, and also a polypeptide in purified form patterned upon a parent polypeptide which comprises the wild type amino acid sequence of mature von Willebrand factor subunit, or a fragment thereof, and including also purified DNA sequences encoding such polypeptides, expression plasmids and viral expression vectors containing the DNA sequences, and therapeutic compositions comprising such polypeptides effective in the treatment of thrombosis, and methods for the use thereof, and also preparation of such polypeptides by mutagenesis of an encoding DNA sequence or covalent modification of wild type vWF.
    • 在野生型成熟血管性血友病因子(vWF)亚基的片段上图案化的多肽,其具有一种或多种预定亲和力的结合位点,所述结合位点选自胶原,糖胺聚糖,蛋白聚糖,血小板糖蛋白Ibα, 血小板糖蛋白IIb / IIIa或凝血因子VIII,所述多肽相对于所述片段具有修饰的氨基酸序列,相对于所述预定亲和力,对于一种或多种所述配体,包括此类多肽 通过DNA序列的诱变制备并在野生型成熟vWF亚基上图案化的多肽,以及在包含成熟血管性血友病因子亚基的野生型氨基酸序列或其片段的母体多肽图案化的纯化形式的多肽,并且包括 还纯化编码这种多肽的DNA序列,表达质粒和含有的病毒表达载体 DNA序列和包含有效治疗血栓形成的这些多肽的治疗组合物,及其使用方法,以及通过编码DNA序列的突变或野生型vWF的共价修饰来制备这些多肽。