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  Indian J Med Microbiol
 

Figure 2: Cytotoxicity induced by quercetin was through the induction of apoptotic cell death. (a) The caspase 3/7 activity was detected in 5637 and T24 cells treated with indicated concentrations of quercetin for 24, 48, and 72 h. (b) The percentage of sub G0/G1 cells was measured in cells treated with 0, 60, and 120 μM quercetin (c) The level of DNA fragmentation was detected in cells treated with 0, 60, and 120 μM quercetin. (d) The cell viability in 60 μM quercetin-treated cells with or without 2 h pretreatment of 1 mM Z-VAD-FMK, a pan-caspase inhibitor, was detected.

Figure 2: Cytotoxicity induced by quercetin was through the induction of apoptotic cell death. (a) The caspase 3/7 activity was detected in 5637 and T24 cells treated with indicated concentrations of quercetin for 24, 48, and 72 h. (b) The percentage of sub G0/G1 cells was measured in cells treated with 0, 60, and 120 μM quercetin (c) The level of DNA fragmentation was detected in cells treated with 0, 60, and 120 μM quercetin. (d) The cell viability in 60 μM quercetin-treated cells with or without 2 h pretreatment of 1 mM Z-VAD-FMK, a pan-caspase inhibitor, was detected.