Figure 3.

Effects of known cytokines to support the survival of T cells. T cells isolated from lymph nodes of C57BL/6 mice were cultured with various concentrations (as indicated in the figure, per ml) of IL-4, IL-6, IL-7, and IFN-β for 24 or 48 hr, and cell viability was determined. The data of cells cultured in the stromal-conditioned medium (SCM) containing 50% of culture supernatant of the LNS cells were added in each panel to compare the effect of each cytokine with that of SCM. Three different experiments were performed, and the average values are shown.