PMID: 9650355Jul 3, 1998Paper

Soluble cytokinin receptors in renal vasculitis and lupus nephritis

Casopís lékar̆ů c̆eských
V TesarR Rysavá

Abstract

Activation of various cytokines, e.g. TNF alpha, IL-1 and/or IL-6 may play important role in the pathogenesis of renal vasculitis and lupus nephritis (LN). Systemic effects of these cytokines may be modulated by their circulating soluble receptors. Plasma levels of cytokine receptors may thus be also markers of the activation of these cytokines. Plasma levels of TNF alpha, its soluble receptor p75 (sTNF-RII), IL-6 and soluble IL-6 receptor (sIL-6R) were measured using ELISA in 17 pts with ANCA-positive renal vasculitis (12 active-ANCA-A, 7 in remission ANCA-R), 9 pts with active lupus nephritis (LN) and 5 healthy subjects. Pts with LN had in comparison with controls increased plasma levels of TNF alpha, sTNF-RII, IL-6 and sIL-6R. Pts with ANCA-A had also in comparison with controls increased plasma levels of TNF alpha, sTNF-RII and sIL-6R, but plasma levels of IL-6 were not significantly increased dut to great standard deviation. Pts with ANCA-R had in comparison with controls increased plasma levels of sTNF-RII, but plasma levels of TNF alpha were in ANCA-R significantly lower than in ANCA-A. While the ratio TNF alpha/sTNF-RII was significantly lower in all groups of pts than in controls, the ratio IL-6R/sIL-6R was in comparis...Continue Reading

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