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    • 5. 发明申请
    • ANTI-TRANSFERRIN RECEPTOR ANTIBODIES WITH TAILORED AFFINITY
    • 抗转铁蛋白受体抗体与定制的亲和力
    • WO2016207240A1
    • 2016-12-29
    • PCT/EP2016/064460
    • 2016-06-22
    • F. HOFFMANN-LA ROCHE AGHOFFMANN-LA ROCHE INC.
    • DENGL, StefanGEORGES, GuyGOEPFERT, UlrichNIEWOEHNER, JensSCHLOTHAUER, Tilman
    • C07K16/28
    • C07K16/2881C07K2317/24C07K2317/33
    • Herein is reported an anti-transferrin receptor antibody that specifically binds to human transferrin receptor and cynomolgus transferrin receptor, which comprises i) a humanized heavy chain variable domain derived from the heavy chain variable domain of SEQ ID NO: 01, and ii) a humanized light chain variable domain derived from the light chain variable domain of SEQ ID NO: 26, wherein the antibody has an off-rate for the human transferrin receptor that is equal to or less than (i.e. at most) the off-rate of the anti-transferrin receptor antibody 128.1 for the cynomolgus transferrin receptor, whereby the off-rates are determined by surface plasmon resonance, and whereby the anti-transferrin receptor antibody 128.1 has a heavy chain variable domain of SEQ ID NO: 64 and a light chain variable domain of SEQ ID NO: 65.
    • 本文报道了特异性结合人转铁蛋白受体和食蟹猴转铁蛋白受体的抗转铁蛋白受体抗体,其包含i)源自SEQ ID NO:01的重链可变结构域的人源化重链可变结构域,和ii)人源化 衍生自SEQ ID NO:26的轻链可变结构域的轻链可变结构域,其中所述抗体对于人转铁蛋白受体的脱离率等于或小于(即,最多)所述抗体的脱离率 - 转铁蛋白受体抗体128.1用于食蟹猴转铁蛋白受体,由此通过表面等离振子共振确定脱离速率,由此抗转铁蛋白受体抗体128.1具有SEQ ID NO:64的重链可变结构域和轻链可变结构域 的SEQ ID NO:65。