Immunofluorescence staining (green) of human foreskin (cryo-section of unfixed tissue) with anti human ccbe1 (dilution 1/50) A) Note specific staining in epidermis (ep) and in scattered cells in the dermis. B) Negative control of a consecutive section. Nuclei counter-stained with Dapi (blue). Specimen provided by Prof. Dr. J. Wilting, Goettingen.