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    • 9. 发明申请
    • HUMANIZATION OF ANTIBODIES
    • 抗体人类化
    • WO2005035575A2
    • 2005-04-21
    • PCT/US2004/027188
    • 2004-08-20
    • MEDIMMUNE, INC.WU, HerrenDALL'ACQUA, WilliamDAMSCHRODER, Melissa
    • WU, HerrenDALL'ACQUA, WilliamDAMSCHRODER, Melissa
    • C07K16/00
    • C07K16/465
    • The present invention provides methods of re-engineering or re-shaping an antibody from a first species, wherein the re-engineered or re-shaped antibody does not elicit undesired immune response in a second species, and the re-engineered or re-shaped antibody retains substantially the same antigen binding-ability of the antibody from the first species. In accordance with the present invention, a combinatorial library comprising the CDRs of the antibody from the first species fused in frame with framework regions derived from a second species can be constructed and screened for the desired modified antibody. In particular, the present invention provides methods utilizing low homology acceptor antibody frameworks for efficiently humanizing an antibody or a fragment thereof. The present invention also provides antibodies produced by the methods of the invention.
    • 本发明提供了重新设计或重新形成来自第一种类的抗体的方法,其中重新设计或重新形成的抗体在第二种物种中不引发不期望的免疫应答,并且重新设计或重新形成 抗体保留了来自第一物种的抗体基本相同的抗原结合能力。 根据本发明,可以构建包含来自与来自第二种类的框架区域框架融合的第一物种的抗体的CDR的组合文库,并筛选所需的修饰抗体。 特别地,本发明提供利用低同源受体抗体框架有效地使抗体或其片段人源化的方法。 本发明还提供通过本发明的方法制备的抗体。