Figure 4.

Correlative mouse xenograft model. (A) Photograph showing successful engraftment of patient skin onto nude mouse at day 31. (B) Haematoxylin and eosin staining of xenografted tissue prior to transplantation (×4). (C) Haematoxylin and eosin staining of xenograft after harvest at 87 days post‐transplant (×10). (D) Staining for human major histocompatability complex‐1 (MHC‐1) in the harvested graft clearly demonstrating viable epithelial human tissue engrafted adjacent to mouse tissue (×10).