IgE-positive epidermal Langerhans cells in allergic contact dermatitis lesions provoked in patients with atopic dermatitis |
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Authors: | H. Sugiura M. Uehara T. Maeda |
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Affiliation: | (1) Department of Dermatology, Shiga University of Medical Science, Seta, 520-21 Otsu, Japan;(2) Department of Anatomy, Shiga University of Medical Science, Seta, 520-21 Otsu, Japan |
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Abstract: | Summary To see whether or not IgE-bearing epidermal Langerhans cells are specific to skin lesions of atopic dermatitis (AD), we performed immunohistochemical and immunoelectron microscopic examinations of dinitrochlorobenzene (DNCB) contact dermatitis lesions provoked in uninvolved skin of eight patients with AD. In all of the eight examined, IgE-positive epidermal Langerhans cells were observed in the DNCB dermatitis lesions. Typical staining of anti-IgE was absent in the epidermis of normal-appearing skin of five patients with AD. Thus, it is likely that IgE positive epidermal Langerhans cells non-specifically occur in different eczematous diseases provoked in patients with AD. |
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Keywords: | Atopic dermatitis IgE Langerhans cells Dinitrochlorobenzene Atopic respiratory disease |
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