在癌症治疗的战场上,疫苗一直被寄予厚望,它就像一位英勇的战士,肩负着对抗癌症的重任。然而,现实却给这位战士设置了重重障碍。其中一个最棘手的问题就是,如何让癌症疫苗产生长期存活且功能强大的 T 细胞(一种在免疫系统中发挥关键作用的白细胞,能识别和攻击异常细胞),而且这些 T 细胞还得精准地针对肿瘤抗原。这就好比要训练出一批神枪手,不仅要百发百中,还得能长时间坚守岗位。
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