The over-expression of HER2 in these cancers and succedent unfavourable prognosis such as tumor hyperplasia, recurrence make HER2 become the desirable therapeutic target.

• HER2在乳腺癌和许多其他癌症中的过表达伴随着很多预后不良反应如肿瘤进展快, 易复发，这使得HER2 成为理想的抗肿瘤免疫治疗的靶标。