Fig. 5.
Effect of costimulatory cytokines on the proliferation of post-G MLRCD4+ T cells.
After 7 days of culture, post-GMLRCD4+ T cells were removed from the MLR, rested for 24 hours, and cultured in the presence of exogenously added cytokines or with culture medium alone for an additional 4 days. Bystander proliferation was quantified after the provision of BrdUrd for the final 24 hours. *Pā<ā.05 compared with post-GMLRCD4+ T cells cultured in the absence of cytokines.