Figure 8: Cytotoxicity on Caco-2 cells. Viability (squares) and membrane integrity (circles) assays of Caco-2 cells exposed to increasing CCL (CCL-R5 red line, CCL-R10 green line, CCL-R20 blue line) concentrations for 24 h (A) and 48 h (B). Positive control curves obtained with STS (dash-dot black lines) are reported. (*P<0.05). Results are shown as mean ± standard deviation of 3 independent experiments.