Cell biological characteristics of the transplanted cultivated nasal mucosal epithelial cell sheet (CNMES). Immunofluorescence of keratin 4 (A), 13 (B), 3 (C), 12 (D), 1 (E), and 10 (F), and ZO-1 (G), desmoplakin (H), collagen 7 (I), laminin 5 (J), Ki-67 (K), p75 (L), MUC1 (arrows) (M), MUC16 (N), galectin 3 (O), and MUC5AC (P) in the transplanted CNMES. Scale bars = 100 μm. Abbreviations: ColVII, collagen 7; K, keratin; MUC, mucin; PI, propidium iodide.