FIG. 1.

(A) Appearance of normal renal structures in the control group. (B) In group II, the tubules in the cortex and medulla were dilated (*), and there was hemorrhage (◀) between the tubules. (C) In group III, the tubules were dilated, but hemorrhage, congestion, and inflammation were less pronounced (HE, scale bar 500 μm), and fibrotic areas were smaller compared with group II (HE, scale bar 100 μm). (D) Dense inflammation was observed in group IV (→). (HE, scale bar 500 μm). (E, F). In group V, decreased inflammation and hemorrhage were detected compared with group IV (HE, scale bar 500 μm). Compared with group IV, decreased fibrotic connective tissue was observed in group V (Masson's trichrome staining, scale bar 100 μm).