ANTI-CTLA-4 ANTIBODIES WITH REDUCED BLOCKING OF BINDING OF CTLA-4 TO B7 AND USES THEREOF
    7.
    发明申请
    ANTI-CTLA-4 ANTIBODIES WITH REDUCED BLOCKING OF BINDING OF CTLA-4 TO B7 AND USES THEREOF 有权
    抗CTLA-4抗CTLA-4与B7结合阻断的抗体及其用途

    公开(公告)号:US20110081354A1

    公开(公告)日:2011-04-07

    申请号:US12866149

    申请日:2009-02-04

    摘要: The present invention provides isolated monoclonal antibodies that bind to CTLA-4 and that are capable of increasing the response of T cells to antigenic stimulation in vivo yet the antibodies do not substantially block the binding of CTLA-4 to B7 ligands (e.g., B7-1 and B7-2) in vitro. Thus, the antibodies of the invention demonstrate that is it possible to separate the immunostimulatory function of anti-CTLA-4 antibodies from their ability to block the binding of B7 ligands. Immunoconjugates, bispecific molecules and pharmaceutical compositions comprising the antibodies of the invention are also provided. The invention also provides methods for increasing the response of T cells to antigenic stimulation using the antibodies of the invention, including methods for treating cancer using the antibodies of the invention.

    摘要翻译: 本发明提供了与CTLA-4结合并且能够增加T细胞对体内抗原刺激的反应的分离的单克隆抗体,但是该抗体基本上不阻断CTLA-4与B7配体的结合(例如,B7- 1和B7-2)。 因此,本发明的抗体证明可以将抗CTLA-4抗体的免疫刺激功能从其阻断B7配体结合的能力分离出来。 还提供了免疫偶联物,双特异性分子和包含本发明抗体的药物组合物。 本发明还提供了使用本发明的抗体增加T细胞对抗原刺激的应答的方法,包括使用本发明的抗体治疗癌症的方法。