Figure 1From: Caspase 3 activity in isolated fetal rat lung fibroblasts and rat periodontal ligament fibroblasts: cigarette smoke induced alterationsEffect of CSE on caspase 3 activity in fetal rat lung fibroblasts. Fluorometric assay to assess the activity of caspase-3 in fetal rat lung fibroblasts exposed to different concentrations of CSE (5%, 10% or 15%) (v/v) for 60 minutes in 37°C incubator. Cells not exposed to CSE were considered as controls. Each bar represents the mean ± SEM of three experiments of 16 samples in each. (*) indicates (p < 0.05) significantly different from the corresponding controls.Back to article page