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Ets1 induction in the suprabasal layers results in keratinocyte activation and enhanced proliferation. Immunostaining for keratinocyte activation and proliferation markers on dorsal skin of BT newborn mice and littermate wild-type mice. Samples were counterstained with DAPI to detect nuclei or β4 integrin to mark the basement membrane. The following markers were used (A) K6, (B) ΔNp63, (C) Ki67 and (D) PCNA.
