期刊
RHEUMATOLOGY INTERNATIONAL
卷 42, 期 5, 页码 791-801出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00296-022-05104-5
关键词
Systemic lupus erythematosus; Anti-endothelial cell antibodies; Endothelial cell activation markers; Vasculitis
类别
Anti-endothelial cell antibodies (AECAs) play an important role in systemic lupus erythematosus (SLE), causing endothelial cell (EC) activation and dysfunction, but not affecting the development of vasculitis.
Vascular injury represents one of the most frequent lesions in systemic lupus erythematosus (SLE). The aim of the study was to assess the influence of anti-endothelial cell antibodies (AECAs) on the development of endothelial cell (EC) activation, dysfunction and subsequent vasculitis in women with SLE. Fifty six women with SLE were divided into 2 subgroups, i.e. subjects with positive AECAs (+) and those with negative AECAs (-). The control group consisted of 25 healthy women. Clinical characteristics, routine laboratory tests and circulating markers of EC activation/dysfunction, i.e. monocyte-chemotactic protein-1 (MCP-1), soluble E- and P-selectin, vascular and intercellular adhesion molecule-1 (sVCAM-1, sICAM-1), von Willebrand factor (vWF), pentraxin 3 (the marker of vasculitis) the indicator of procoagulant activity i.e. prothrombin fragment 1 + 2 (F1 + 2) were detected using ELISA and compared between patients with AECA (+), AECA (-) and control subgroups. Serum concentrations of AECAs in AECA(+), AECA(-) and control groups were 4.58 +/- 2.97, 0.92 +/- 0.50 and 0.72 +/- 0.28 AU/ml, respectively (p < 0.001). The study showed significant increases in EC activation markers, i.e. MCP-1, sE-selectin, sVCAM-1 and F1 + 2 in SLE AECA(+) compared to SLE AECA(-) and control groups. However, the indicator of vasculitis (PTX3) was significantly lower in SLE AECA(+). Moreover, multivariate analysis of variance showed a positive correlation between AECAs and sE-selectin and sVCAM-1 levels, but not with PTX3. AECAs were involved in the initial stages of vascular damage in SLE, i.e. in EC activation and dysfunction. However, they did not play a role in the development of vasculitis.
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