The results showed that there is apparent positive dependent relationship between the killing activity of LAK cell and IL-2 dosage,and negative dependent relationship between the killing activity of LAK cell and the cell density in culture.

• 证明LAK细胞的NK活性和LAK活性与IL-2有非常明显的正向依赖关系,与培养细胞密度有明显的负向依赖关系。