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    • 7. 发明申请
    • Modified polypeptides for targeting cell-entry of the adenoviruses of subtype b
    • 用于靶向亚型b的腺病毒细胞进入的修饰多肽
    • US20070065408A1
    • 2007-03-22
    • US10558279
    • 2004-05-27
    • Roger BeerliMartin Bachmann
    • Roger BeerliMartin Bachmann
    • A61K48/00C07H21/04C12P21/06C07K16/30C07K14/705
    • C07K14/705A61K38/00C07K16/46C07K2319/30C07K2319/32C07K2319/33C07K2319/43C12N15/62
    • This invention relates to modified polypeptides comprising two functional components: first, a polypeptide derived from the extracellular region of CD46 as a specific binding site for adenoviruses of the subgroup B, and second, a component capable of binding to a cell surface molecule. Such modified polypeptides are able to direct adenovirus infection specifically to cells having said cell surface molecule on their surface. The invention relates to nucleic acid sequences encoding fusion proteins comprising a) a polypeptide derived from the extracellular domain of CD46 and b) a heterologous polypeptide, methods for the production of the modified polypeptides and suitable recombinant expression vectors and host cells. Pharmaceutical compositions comprising the modified polypeptide of the invention are useful together with recombinant, genetically engineered adenovirus of subtype B for the treatment and prophylaxis of disorders and diseases, like cancer.
    • 本发明涉及包含两个功能组分的修饰的多肽:首先,衍生自CD46细胞外区域的多肽作为亚组B的腺病毒的特异性结合位点,其次是能够结合细胞表面分子的组分。 这种修饰的多肽能够将腺病毒感染特异性地引导到其表面上具有所述细胞表面分子的细胞。 本发明涉及编码融合蛋白的核酸序列,其包含a)源自CD46细胞外结构域的多肽和b)异源多肽,产生修饰多肽的方法和合适的重组表达载体和宿主细胞。 包含本发明修饰多肽的药物组合物与B型重组基因工程改造的腺病毒一起可用于治疗和预防疾病和疾病如癌症。