Mabs antitumour activity is mediated through direct interaction with specific target molecules, deployment of immune cytotoxic pathways, or through chaperoning cytotoxic agents to tumour.

• 单克隆抗体的抗肿瘤活性是通过直接和特定的靶分子相互作用，免疫细胞毒素途径的部署，或者通过对肿瘤的陪伴性细胞毒素剂等进行调节的。