Fig. 3: Colocalization of the transplanted DPSCs in the esophagus.

a PKH26-labeled cells (red) co-localized with CD71, CK14, integrin α6, and PCNA (green) in the esophageal epithelium after transplantation. The cell nuclei were labeled with DAPI (blue) (×400 and ×800). b, c Few PKH26-positive cells were found in the control group, sham-operated group, and other organs, including spleen, lung, and liver, in the DPSC group (×100)