Fig. 10.

Immunohistochemical staining result of osteochondral repair using different hydrogel scaffolds. Immunohistochemical staining for Collagen II of the repaired osteochondral tissue after 4 weeks (A) and 8 weeks (B) of implantation. Immunohistochemical staining for CD44 of the repaired osteochondral tissue after 4 weeks (C) and 8 weeks (D) of implantation. The lower panels represent higher magnification images of the corresponding red boxes in the upper panel. Scale bar ​= ​1 ​mm in the upper panel and 500 ​μm in the lower panel. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)