A Conditioned Medium of Umbilical Cord Mesenchymal Stem Cells Overexpressing Wnt7a Promotes Wound Repair and Regeneration of Hair Follicles in Mice

Figure 2

Topical injection of Wnt-CM accelerated healing of full-thickness skin wounds in mice. (a) Typical images of dorsal skin showing effectiveness of wound closure in the mice of treatments groups DMEM, MSC-CM, and Wnt-CM. (b) The percentage of wound closure on days 3, 7, and 14 after the surgical injury. (c) On postinjury days 3, 7, and 14, healing skin was examined by H&E staining of the tissue slices. The data are presented as mean ± SEM, ; and . The double arrow line denotes the wound area. The scale bar is 500 μm in panel (c).

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