Objective To investigate the effect of the supernatants of interleukin 2 activated peripheral blood (APB),cord blood (ACB),and bone marrow (ABM) mononuclear cells on the leukemia cell lines,and its mechanism.

• 目的 探讨用白细胞介素 2 (IL - 2 )激活的外周血 (APB)、脐带血 (ACB)和骨髓 (ABM)单个核细胞的培养上清对肿瘤细胞的作用 ,及其作用的可能机制。