Fig. 4From: Antiangiogenic effects of oridoninEffect of oridonin on HUVEC invasion. HUVECs were treated with various concentrations (39–312 μg/ml) of oridonin. a control group; b 39 μg/ml oridonin group; c 78 μg/ml oridonin group; d 156 μg/ml oridonin group; e 312 μg/ml oridonin group; f OD570 comparison. The asterisks indicate statistically significant differences for oridonin groups compared with the control group (***P < 0.001)Back to article page