Fig. 3.
Induction of caspase-3 activity by dCF and AraA.
Cell lysates from U937 and K562 cells treated with 0 (), 1 (□), or 3 (▪) μM AraA and/or 10 nmol/L dCF for 2 days were assayed for protease activity toward Ac-DEVD-MCA. Values are the means of 3 separate experiments.