EXPRESSION OF INTERCELLULAR-ADHESION MOLECULE-1 (ICAM-1) IN THE SKIN OF PATIENTS WITH SYSTEMIC SCLERODERMA

被引:56
作者
MAJEWSKI, S
HUNZELMANN, N
JOHNSON, JP
JUNG, C
MAUCH, C
ZIEGLERHEITBROCK, HWL
RIETHMULLER, G
KRIEG, T
机构
[1] UNIV COLOGNE,DEPT DERMATOL,JOSEPH STELZMANN STR 9,W-5000 COLOGNE 4,GERMANY
[2] UNIV MUNICH,DEPT DERMATOL,W-8000 MUNICH 2,GERMANY
[3] UNIV MUNICH,INST IMMUNOL,W-8000 MUNICH 2,GERMANY
关键词
D O I
10.1111/1523-1747.ep12483739
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
The expression and tissue distribution of intercellular adhesion molecule-1 (ICAM-1) in skin biopsies from 12 patients with systemic (SSc) and localized (LS) scleroderma was studied and compared to the biopsies from patients with lupus erythematosus (LE) and normal individuals. In normal human skin ICAM-1 expression was restricted to the vascular endothelium, infiltrating mononuclear cells (MNC), and to few individual keratinocytes. In the inflammatory stage of SSc, however, the expression of ICAM-1 was dramatically increased at the site of MNC infiltrates and could also be detected on fibroblast-like cells lying well apart from these infiltrates in the deep dermis. In contrast, in LS ICAM-1 was expressed mainly at the sites of MNC infiltrates. In LE ICAM-1 expression was confined to the keratinocytes, endothelial cells, and mononuclear cells in the upper parts of the dermis. Analysis of serial tissue sections from patients with SSc demonstrated also colocalization of staining of ICAM-1 around blood vessels with LFA-1 -positive lymphocytes. Increased expression of ICAM-1 in the dermis of patients with SSc may represent an important mechanism by which MNC become localized and retained at a site of connective tissue inflammation, leading to the activation of fibroblasts.
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页码:667 / 671
页数:5
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