After induce cultured with rIL-2, lymphocytes can kill tumor cells obviously. This killer cells are called lymphokine-activated killer cells (LAK).

• 淋巴细胞经白细胞介素-2(Interleukin-2,IL-2)体外诱导培养后,可产生明显的杀伤肿瘤细胞活性,此杀伤细胞称为LAK细胞(lymphokine activated killer cells)。