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Neutrophils bearing CXCR1 and CXCR2 are present in psoriatic epidermis. Haematoxylin and eosin (H&E) staining and immunohistochemical analysis of psoriatic lesions (n = 5) demonstrate that neutrophils contained within subcorneal Munro’s microabscesses (red arrows) produce neutrophil elastase (Neut elas) and bear the chemokine receptors CXCR1 and CXCR2. Scale bars = 100 µm.
