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RNase 7 but not HBD-2/3 and psoriasin are expressed in prenatal human epidermis. Immunohistochemical staining was performed on paraffin sections of fetal and adult skin and RNase 7, HBD-2/3, and psoriasin binding was visualized using vector red. Normal adult skin or psoriatic lesional skin served as positive controls. Scale bars 50 μm
