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【多选题】
杀伤T细胞的杀伤A.
是一场“肉搏战”，需要杀伤T细胞与其靶细胞相接触
B.
是一种“辅助自杀”，激活靶细胞自身酶对靶细胞DNA的破坏
C.
杀伤T细胞生产的“穿孔素”蛋白帮助杀伤T细胞将颗粒酶B释放到靶细胞的细胞质。
D.
杀伤T细胞生产的Fas配体（FasL）蛋白可以结合靶细胞表面的Fas蛋白，启动靶细胞的自杀程序。
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