Figure 7

Immunostaining of transplanted skin grafts at 18 weeks after transplantation. Staining of differentiation markers, involucrin and loricrin, showed signs of mature and well differentiated human epidermis (Figure 5). Interestingly, for the staining of the cell proliferating marker Ki-67, the ABCG2-positive group showed a cluster of positive staining in basal keratinocytes, while relatively sparse positive staining was observed in the control and α6-integrin-positive groups. Scale bars: 50 μm.