Figure 7.

(A) Comparison of VEGF expression in the intermediate areas (area II) of the three groups. The sections were observed under a microscope (magnification, ×200). The levels of VEGF expression in vessels and stromal cells in groups II and III were significantly higher than those in group I. (B) The mean IA of VEGF in the three groups. *P<0.05 vs. group I. Group I, control group that was injected with 10 mg/kg saline once per day; group II, experimental group that was injected with 10 mg/kg diammonium glycyrrhizinate (DG) once per day; group III, experimental group that was injected with 10 mg/kg DG twice per day. VEGF, vascular endothelial growth factor; IA, integral absorbance.