Research Article
Umbilical Cord Mesenchymal Stem Cell-Derived Small Extracellular Vesicles Deliver miR-21 to Promote Corneal Epithelial Wound Healing through PTEN/PI3K/Akt Pathway
Figure 2
The effect of HUMSCs and HUMSC-sEVs on corneal epithelial wound healing in vivo. (a, c) Fluorescein-stained images of defect corneas, before and after treatment with HUMSCs, HUMSCs-GW4869, HUMSC-sEVs, or PBS. (b) H&E staining showed the histologic appearance of the cornea. Data are expressed as the . , , and , .
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