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Unaltered skin architecture in St2* transgenic mice. (A and B) Hematoxylin and eosin staining of paraffin sections from tail skin of wild-type (A) and transgenic (B) mice. (C and D) Immunofluorescence staining for collagen IV on ethanol/acetic acid fixed paraffin sections from wild-type (C) and transgenic (D) mice. E, epidermis; D, dermis; HF, hair follicle; B, blood vessel. Bars, 20 μm.
