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Relative caspase-3 activity in control and cytomix-treated human lung epithelial cells (HLEC) and Caco-2 cells over time (values are mean ± SEM). Although no change in activity was observed in the HLEC cells over time, a significant increase in activity was verified in the Caco-2 cells 24 h after cytomix treatment (*P<0.05, relative to matching controls) but not at later time points.
