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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: Exosomes derived from human umbilical cord blood mesenchymal stem cells stimulate regenerative wound healing via transforming growth factor-β receptor inhibition

Fig. 2

UCB-MSC-exo improve the regenerative wound healing in rats. A H&E and Masson staining of the healing skin; scale bar = 200 μm. B Number of skin appendages (hair follicles and sebaceous glands) in the healing skin. CE Levels of collagen fibers (blue), myofibers (red) and the ratio of collagen fibers to myofibers in the healing skin, per Masson staining. F IF staining of Nestin (nerves) and CD31 (vessels) in the healing skin; scale bar = 300 μm. *p < 0.05; **p < 0.01; ***p < 0.001; means ± SD; n = 3

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