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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Langerhans cells in skin from patients with psoriasis: quantitative and qualitative study of T6 and HLA-DR antigen-expressing cells and changes with aromatic retinoid administration.

Using a monoclonal antibody against human HLA-DR antigens and OKT6, we investigated by indirect immunofluorescence the distribution of Langerhans cells in normal human skin and involved and uninvolved skin from patients with psoriasis before, during, and after systemic aromatic retinoid administration. In parallel, enumeration of HLA-DR and of OKT6+ cells was also performed. In involved psoriatic epidermis the distribution of positive cells was disturbed; OKT6+ cells were reduced in number, as were HLA-DR+ cells which were seen in clusters. In control skin sections, a regular pattern of fluorescent dendritic epidermal cells was noted. In normal-appearing human skin, in nonlesional psoriatic skin, but not in diseased psoriatic skin, the number of OKT6+ cells per epidermal section surface unit was higher than that of HLA-DR expressing cells. Changes in the number and distribution of OKT6 and HLA-DR+ cells in psoriatic involved epidermis were corrected by oral retinoid treatment.[1]

References

  1. Langerhans cells in skin from patients with psoriasis: quantitative and qualitative study of T6 and HLA-DR antigen-expressing cells and changes with aromatic retinoid administration. Haftek, M., Faure, M., Schmitt, D., Thivolet, J. J. Invest. Dermatol. (1983) [Pubmed]
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