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Fig. 7.2

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Further immunotypic analysis of HSE. (E) Detection of proliferative keratinocytes in the area of the stratum basale of the epidermis (white arrows) and of division-active fibroblasts in the dermis by using the proliferation marker Ki-67 green, further evidence for specific epidermal differentiation was provided by the detection of (F) Loricrin (Lor) green, and (G) Involucrin (Inv). Cell nuclei were counterstained with DAPI (in blue) and microtubules in cytoplasm were shown in red using β Tubulin staing (E); N = 2, n = 3.