Fig. 7: Immunohistochemical analysis for human vimentin, rat/human CD31, and human CD31 at the border area between implanted materials and host tissue.

Immunohistochemical analysis for human vimentin (a, e) and high magnification for human vimentin (b, f), human/rat CD31 (c, g) and human CD31 (d, h) at 4 weeks (a–d) and 12 weeks (e–f) in the iPSC-CP/TEC group. a–h Bar = 50 μm. b–d, f–h Black dotted lines indicated the border between the host tissue and the iPSC-CP. Black arrows indicated the vessels.