The modification of the MMP as well as the ROS levels after the application of BAL, and flavonolignan 2 at ¼ IC50, ½ IC50, IC50, and 2 × IC50 to CCRF-CEM cells (1 × 106) was performed by flow cytometry [45 (link)]. DMSO was used as solvent control while valinomycin served as a positive control. The cells were incubated for 24 h and further stained for 30 min with JC-1 [45 (link)] and measured (1 × 104 cells) in an LSR-Fortessa FACS analyzer (Becton–Dickinson) [45 (link)]. For ROS determination, CCEF-CEM cells were similarly treated BAL, the flavonolignan 2, hydrogen peroxide (H2O2; positive control), DMSO (solvent control) as in the MMP analysis, then incubated for 24 h. They were further stained with H2DCFH-DA and measured (1 × 104 cells) in an LSR-Fortessa FACS analyzer [40 (link), 51 (link), 52 (link)].
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