Pembrolizumab 是一种人源化单克隆抗体，是一类称为 HER2 二聚化抑制剂的药物中的第一个，它会削弱 HER2 与 HER 家族HERs" style="display: inline; color: #c13a36">其他成员结合的能力。

Pembrolizumab is a humanized monoclonal antibody and the first in the class of agents called the HER2 dimerization inhibitors impairs the ability of HER2 to bind to other members of the HER family.

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