Fig. 6From: Natural exosome-like nanoparticles derived from ancient medicinal insect Periplaneta americana L. as a novel diabetic wound healing accelerator(A) The expression of α-SMA, CD31, VEGF, CD68 and CD90 in the regenerated mouse skin tissue in each group on the 16th day was determined by immunohistochemical staining. (B) Western blot results of MMP-9, BECLIN-1 and p62 protein expression in wound tissue of mice at day 16. *P<0.05 versus DM(+) groupBack to article page