BACKGROUND Cell-mediated immunity dominate the antitumor immune response, antigen-specific cytotoxic T lymphocytes(CTL) are the major effector cells.

• 背景知识 肿瘤免疫以细胞免疫为主，抗原特异性细胞毒性 T淋巴细胞（CytOtoXIC T lymphocyte， CTL）是重要的效应细胞之一。