摘要 |
A process for producing cytokine-induced killer cells, comprising the steps of (a) culturing a cell mass that contains cells capable of being differentiated into CD3-positive CD56-positive cells and/or CD3-positive CD56-positive cells in the presence of a CD3 ligand, (b) culturing the cell mass produced in step (a) in the absence of a CD3 ligand, and (c) culturing the cell mass produced in step (b) in the presence of a CD3 ligand; and others. |