Immune Regulation of RAW264.7 Cells In Vitro by Flavonoids from Astragalus complanatus via Activating the NF-κB Signalling Pathway

Figure 2

Effect of various concentrations of FAC on cell viability. RAW264.7 cells were treated with different concentrations of FAC (0–10 μg/mL) in the presence or absence of 10 μmol/mL PDTC. represents a significant difference (); represents a markedly significant difference versus the control group. represents a significant difference (); represents a markedly significant difference () versus the 10 μg/mL FAC-treated group. Data are expressed as mean ± SD with five replications in each treatment.