Fig. 7From: Hypoxic preconditioning of human urine-derived stem cell-laden small intestinal submucosa enhances wound healing potentialReepithelialization of the wounds. a Immunofluorescence staining. The epithelia were stained with CK14 (red), the nucleus was stained with DAPI (blue), and USCs were stained with CM-Dil (green). Scale bar, 50 μm. b Quantitative analysis of the epithelia thickness on day 21 post-surgery; *p < 0.05Back to article page