Figure 1.
Rejecting skin comprising transgenic keratinocytes has increased cellular infiltrate. Ear skin transgenic for OVA (K5mOVA) or E7 (K14E7) expressed from a keratin promoter or control, non-transgenic skin (C57BL/6) was grafted to C57BL/6 naïve recipients. Gross morphology (left panels) of rejected (R) K5mOVA grafts and non-rejected (NR) K14E7 or control grafts was assessed 21 days after grafting. Haematoxylin and eosin (H&E) staining of paraffin-embedded skin tissue at day 21 postgrafting (right panels).