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PRP-Exos promote wound healing in C57BL/6 mice. (a) Images of wounds in representative mice. (b) Wound healing rates in the control, PRP, and PRP-Exo treatment groups. (c, d) H&E staining and Masson's staining results from the three treatment groups with corresponding quantification results. (e) USP15 immunohistochemistry results for wound sections in the three treatment groups. ∗P < 0.05, ∗∗P < 0.01, ∗∗∗P < 0.001, and ∗∗∗∗P < 0.0001. n = 6.
