In patients with idiopathic venous thrombosis, interleukin-10 is decreased and related to endothelial dysfunction.
The aim of this study was to evaluate the levels of anti-inflammatory interleukin-10 and pro-inflammatory cytokines and their relationship to endothelial function in patients with idiopathic venous thrombosis. Forty-nine eligible patients of both sexes with idiopathic venous thrombosis and 48 matched control subjects were studied. Levels of inflammatory markers were determined. Endothelial function was evaluated by ultrasound measurement of the flow mediated dilatation (FMD) of the brachial artery. Compared to the control group, patients with idiopathic venous thrombosis had significantly lower levels of interleukin-10 1.81 pg/ml (1.53-2.21) versus 2.71 pg/ml (1.84-3.65), p < 0.001. Patients also had increased levels of pro-inflammatory cytokines: interleukin-6 2.37 pg/ml (1.59-4.09) versus 2.03 pg/ml (1.49-2.59), p = 0.025, interleukin-8 3.53 pg/ml (2.94-5.30) versus 2.25 pg/ml (1.77-2.90), p < 0.001. Furthermore, decreased FMD was observed in patients: 5.0% (3.9-6.9) versus 12.7% (10.8-15.6), p < 0.001. FMD was related to levels of interleukin-10 (r = 0.33, p = 0.001) and was inversely related to pro-inflammatory cytokines interleukin-6 (r = -0.34, p = 0.001) and interleukin-8 (r = -0.43, p < 0.001). Patients with idiopathic venous thrombosis have decreased levels of IL-10 and increased levels of pro-inflammatory cytokines. This imbalance indicates that in the stable phase of the disease, patients have an increased systemic inflammatory response. This inflammatory response could be the consequence of the disease, but most probably is involved in the pathogenesis of venous thrombosis.
Department of Vascular Disease, University Medical Centre Ljubljana, Zaloska 7, 1000, Ljubljana, Slovenia. pavel.poredos@kclj.si
Pavel
P
Poredos
Mateja Kaja
MK
Jezovnik
D000328:Adult; D000368:Aged; D015415:Biomarkers / Q000097:blood; D001916:Brachial Artery / Q000000981:diagnostic imaging / Q000503:physiopathology*; D016022:Case-Control Studies; D015536:Down-Regulation; D004730:Endothelium, Vascular / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005260:Female; D006801:Humans; D018836:Inflammation Mediators / Q000097:blood; D016753:Interleukin-10 / Q000097:blood*; D015850:Interleukin-6 / Q000097:blood; D016209:Interleukin-8 / Q000097:blood; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D017524:Slovenia; D014409:Tumor Necrosis Factor-alpha / Q000097:blood; D018617:Ultrasonography, Doppler, Pulsed; D014664:Vasodilation; D020246:Venous Thrombosis / Q000097:blood / Q000000981:diagnostic imaging / Q000276:immunology* / Q000503:physiopathology*
D015415:Biomarkers; C508606:CXCL8 protein, human; C508609:IL10 protein, human; C508600:IL6 protein, human; D018836:Inflammation Mediators; D015850:Interleukin-6; D016209:Interleukin-8; D014409:Tumor Necrosis Factor-alpha; D016753:Interleukin-10
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