Synthesis of bispecific antibodies using genetically encoded unnatural amino acids.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY(2012)
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.
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