Synthesis of Bispecific Antibodies using Genetically Encoded Unnatural Amino Acids

被引:139
作者
Kim, Chan Hyuk [2 ,3 ]
Axup, Jun Y. [2 ,3 ]
Dubrovska, Anna [2 ,3 ]
Kazane, Stephanie A. [2 ,3 ]
Hutchins, Benjamin A. [2 ,3 ]
Wold, Erik D. [2 ,3 ]
Smider, Vaughn V. [1 ]
Schultz, Peter G. [2 ,3 ]
机构
[1] Scripps Res Inst, Dept Mol Biol, La Jolla, CA 92037 USA
[2] Scripps Res Inst, Dept Chem, La Jolla, CA 92037 USA
[3] Scripps Res Inst, Skaggs Inst Chem Biol, La Jolla, CA 92037 USA
基金
新加坡国家研究基金会;
关键词
CANCER-THERAPY; TUMOR-CELLS; T-CELLS; FRAGMENTS; IDENTIFICATION; RESIDUES; CODE; FAB;
D O I
10.1021/ja303904e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Bispecific antibodies were constructed using genetically encoded unnatural amino acids with orthogonal chemical reactivity. A two-step process afforded homogeneous products in excellent yield. Using this approach, we synthesized an anti-HER2/anti-CD3 bispecific antibody, which efficiently cross-linked HER2+ cells and CD3+ cells. In vitro effector-cell mediated cytotoxicity was observed at picomolar concentrations.
引用
收藏
页码:9918 / 9921
页数:4
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