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    • 6. 发明申请
    • ANTAGONIST ANTI-CD40 MONOCLONAL ANTIBODIES AND METHODS FOR THEIR USE
    • 拮抗性抗CD40单克隆抗体及其使用方法
    • WO2006073443A2
    • 2006-07-13
    • PCT/US2005014359
    • 2005-04-27
    • CHIRON CORPLUQMAN MOHAMMAD
    • LUQMAN MOHAMMAD
    • A61P35/02A61K39/395
    • C07K16/2878A61K2039/505C07K2317/21C07K2317/73C07K2317/92
    • Compositions and methods for inhibiting CD40-directed activities that are mediated via the binding of C4BP to CD40 are provided. The compositions of the invention include anti-CD40 antibodies, or antigen-binding fragments thereof, that have the following characteristics: 1) are free of significant CD40 agonist activity when bound to CD40 antigen; and 2) are capable of specifically binding to CD40 antigen expressed on the surface of cells, wherein this binding to CD40 antigen blocks C4BP-mediated CD40 signaling, thereby inhibiting one or more CD40-directed activities. These antagonist anti-CD40 antibodies can effectively be used to treat CD40-associated diseases that are mediated by C4BP stimulation of CD40 signaling, including cancers, such as B cell-related cancers and solid tumors, and diseases or disorders that have an autoimmune and/or inflammatory component, including organ and tissue transplant rejection.
    • 提供了用于抑制通过C4BP与CD40结合介导的CD40引导的活性的组合物和方法。 本发明的组合物包括具有以下特征的抗CD40抗体或其抗原结合片段:1)当与CD40抗原结合时没有显着的CD40激动剂活性; 和2)能够与细胞表面上表达的CD40抗原特异性结合,其中这种与CD40抗原的结合阻断C4BP介导的CD40信号传导,从而抑制一种或多种CD40定向活性。 这些拮抗性抗CD40抗体可以有效地用于治疗由C4BP刺激CD40信号传导介导的CD40相关疾病,包括癌症如B细胞相关癌症和实体瘤,以及具有自身免疫性和/ 或炎症成分,包括器官和组织移植排斥。