... Cytotoxicity was assessed by MTT-reduction assay.Modulation of cytokine profiles was evaluated by enzyme-linked immunosorbent assay (ELISA),cytometric bead-based array (CBA) and real-time polymerase ... In case of Hg-expo-sure, on the other hand, the decrease in IFN-γ levels, dueto the progressive exposure to the metal beyond the firstthree weeks, was significantly correlated to the decrease ... variability, variety of methodologicalregimes such as the metal form, duration of exposure, the dosage applied as well as the activity of the cells [9]. The biological indicator or the read-out system...