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    • 10. 发明申请
    • IMPROVED CD-30 ANTIBODIES AND FRAGMENTS THEREOF
    • 改进的CD-30抗体及其片段
    • WO9107437A2
    • 1991-05-30
    • PCT/US9006802
    • 1990-11-20
    • PARKER DAVID LPFREUNDSCHUH MICHAEL
    • PFREUNDSCHUH MICHAEL
    • A61K38/00A61K47/48C07K14/415C07K14/705C07K16/28C07K16/30C07K19/00C12P21/08
    • C07K14/415A61K38/00A61K47/6827A61K47/6849A61K47/6851A61K47/6867C07K14/70578C07K16/2878C07K16/30C07K16/3061C07K19/00
    • Disclosed are methods and compositions for the treatment of Hodgkin's disease and processes involving Hodgkin's disease cells or Reed-Sternberg cells, through specific elimination of Hodgkin's disease cells through the application of immunotoxin technology. The compositions of the invention include toxin conjugates composed of a Hodgkin's disease cell binding ligand conjugated to a toxin A chain moiety such as ricin A chain or deglycosylated ricin A chain, by means of a cross-linker or other conjugation which includes a disulfide bond. In preferred aspects of the invention, therapeutic amounts of conjugates composed of a CD-30 or IRac antibody or fragment thereof conjugated to deglycosylated A chain by means of an SMPT linker is administered to a Hodgkin's disease patient so as to specifically eliminate Hodgkin's disease cells without exerting significant toxicity against non-tumor cells. Also disclosed are particular hybridomas and monoclonal antibodies, and associated methodology, which may be employed, e.g., in the preparation of these immunotoxins as well as other uses such as diagnostic applications.
    • 公开了通过应用免疫毒素技术特异性消除霍奇金病细胞来治疗霍奇金病和涉及霍奇金病细胞或里德 - 斯特伯格细胞的方法和组合物。 本发明的组合物包括由与包含二硫键的交联剂或其它缀合物缀合至毒素A链部分如蓖麻毒素A链或去糖基化的蓖麻毒蛋白A链的霍奇金病细胞结合配体组成的毒素缀合物。 在本发明的优选方面,向霍奇金氏病患者施用治疗量由CD-30或IRac抗体或其通过SMPT接头与去糖基化A链结合的片段组成的缀合物,以便特异性地消除霍奇金氏病细胞而没有 对非肿瘤细胞发挥显着毒性。 还公开了特定的杂交瘤和单克隆抗体以及相关方法,其可用于例如制备这些免疫毒素以及其它用途如诊断应用。