Fig. (4) Immunohistochemical staining, control patients, digitized unmixed composite images, prior to color reassignment. A. Plakoglobin (antibody JUP) showing normal intensity of staining. B Plakoglobin (antibody JUP, higher magnification) showing normal intensity of staining. B. Plakoglobin (antibody gamma catenin) showing normal intensity of staining. D. Plakophilin. showing normal intensity of staining E. Desmoplakin showing normal intensity of staining. F. N-cadherin showing normal intensity of staining.