Figure 6From: Anti-proliferative of physcion 8-O-β-glucopyranoside isolated from Rumex japonicus Houtt. on A549 cell lines via inducing apoptosis and cell cycle arrest The protein expression of caspase-3, Bax, Bcl-2 and caspase-7 by western blot assay in vitro. In the figure, 20, 40 and 80 μg/mL of PG abbreviated as PG20, PG40 and PG80, respectively. A549 cells were treated with 20, 40 and 80 μg/mL of PG for 48 h, then the cells were collected for western blot assay in vitro. *p < 0.05 vs. control; **p < 0.01 vs. control.Back to article page