肿瘤免疫主要由细胞免疫介导，研究证实抗原特异性Ｔ细胞的活化需要共刺激信号的参与，缺乏共刺激信号将导致受抗原刺激的Ｔ细胞发生免疫无......

The data from in vitro and animal experiment study has showed that costimulaory molecule B7.1 plays an important role in......