Figure 2
From: RACK1, a clue to the diagnosis of cutaneous melanomas in horses
RACK1, CK5 and MITF immunolabelings in horse skin. RACK1 protein labeling (green), MITF (red) and CK5 (magenta) in control horse skin. Cytoplasm of basal keratinocytes is positive for CK5 signal and RACK1 (B). Melanocytes are positive for MITF, but negative for CK5 and RACK1 (A, B). Dotted line indicates epidermis-dermis boundary. e, epidermis; d, dermis. Bar: 10 μm.