Fig. 2 in Six C21 steroidal glycosides from Cynanchum wallichii Wight roots and their multidrug resistance reversal activities

Fig. 2. NF-κB expression in breast cancer and hepatocellular carcinoma Adriamycin-resistant cell lines with increased P-gp expression and significant drug resistance (A) Cell viability in DOX-treated MCF-7 and HepG2 cells and drug-resistant MCF-7/ADR and HepG2/ADM cells. (B–D) Background expression of proteins (P-gp) and genes (MDR1, NFκB, JUN) in DOX-treated MCF-7 and HepG2 cells and in drug-resistant MCF-7/ADR and HepG2/ADM cells.