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Fig. 7 | Stem Cell Research & Therapy

Fig. 7

From: The proangiogenic effects of extracellular vesicles secreted by dental pulp stem cells derived from periodontally compromised teeth

Fig. 7

EVs accelerated cutaneous wound healing in mice. a Gross view of wounds treated with H-EVs, P-EVs, and PBS at days 4, 9, and 14 postwounding (scale bar, 1.5 mm). b The rate of wound closure in wounds receiving different treatments at the indicated times (n = 10). c H&E staining of wound sections treated with H-EVs, P-EVs, and PBS at 14 days after operation. The double-headed black arrows indicate the edges of the scars (scale bar, 500 μm). d Quantitative analysis of scar widths in c (n = 8). *P < 0.05, **P < 0.01 vs. the control group; #P < 0.05, ##P < 0.01 vs. the H-EV group

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