Fig. 11

Effect of RPE treatment on lung histopathology (a: HE staining, 200× magnification; b: Masson’s trichrome staining, 200× magnification). a and b Histopathological changes in lung tissue from mice (a, control group; b, model group; c, treatment group). c Statistical summary of pulmonary fibrosis scores in mice. Pulmonary fibrosis scores were analyzed by nonparametric methods from triplicate experiments. **P < 0.01 vs the control group; #P < 0.05 vs the model group