Fig. 6

A Images of anti-ki67 immunofluorescence staining and anti-ki67 immunohistochemistry staining of diabetic wounds in different groups on day 14. B Images of anti-CD31 immunofluorescence staining and anti-CD31 immunohistochemistry staining. C Quantification of cell proliferation in different groups by anti-ki67 staining. D Quantification of capillary density by anti-CD31 staining. Rectangles indicate the magnified areas. Red arrows indicate blood vessels. n = 3, *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001