Elsevier

Clinical Immunology

Volume 91, Issue 3, June 1999, Pages 330-337
Clinical Immunology

Regular Article
Enhancement of Endothelial Cell E-Selectin Expression by Sera from Patients with Active Behçet's Disease: Moderate Correlation with Anti-endothelial Cell Antibodies and Serum Myeloperoxidase Levels

https://doi.org/10.1006/clim.1999.4687Get rights and content

Abstract

We studied thein vitroE-selectin expression of endothelial cells treated with sera from patients with Behçet's disease (BD) and factors (anti-endothelial cell antibodies, anti-neutrophil cytoplasmic antibodies, cytokines, and myeloperoxidase (MPO)) that may contribute to adhesion molecule expression. A total of 21 patients with BD and 27 healthy controls were studied.In vitroE-selectin endothelial cell expression was investigated by ELISA after HUVEC incubation with sera or purified IgG from patients with BD and controls. Increased E-selectin expression was observed when endothelial cells were incubated with sera from patients with active disease or from patients with circulating anti-endothelial cell antibodies and high levels of plasma myeloperoxidase. Abnormalities of endothelial cell function have been suggested to play a role in the occurrence of vascular damage in BD. Our findings suggest that anti-endothelial cell antibodies and neutrophil hyperactivity, as inferred from the high plasma MPO levels in patients with active disease, may explain endothelial cell activation and neutrophil accumulation in vascular lesions.

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    Savage, C. O. S.Pearson, J. E. D.

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