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  • Title: Fc gamma-receptors and HLA-DR antigens on endothelial cells in psoriatic skin lesions.
    Author: Bjerke JR, Livden JK, Matre R.
    Journal: Acta Derm Venereol; 1988; 68(4):306-11. PubMed ID: 2459875.
    Abstract:
    Receptors for the Fc-part of IgG (FcR) and HLA-DR antigens on endothelial cells in normal and lesional skin from patients with psoriasis were studied in cryostat sections, using soluble immune complexes and monoclonal antibodies. FcR and HLA-DR antigens were detected on endothelial cells of dermal vessels both in sections of normal and lesional skin. The expression of FcR varied from one vessel to another and on endothelial cells within one and the same vessel. The expression of FcR and HLA-DR antigens was enhanced in sections of lesional skin compared with normal skin and most pronounced in lesional skin from active psoriasis. The enhanced expression may be mediated by interferon produced in psoriatic lesions. The presence of FcR and HLA-DR antigens on endothelial cells adds further evidence of he involvement of these cells in immune processes in the skin.
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