Elevated serum interleukin-33 levels in patients with Henoch-Schönlein purpura
Henoch-Schönlein purpura (HSP) is the most common systemic vasculitis and is known as an immunoglobulin (Ig) A related immune complex-mediated disease. However, the molecular mechanisms in the development of HSP are not yet fully understood. Herein, we investigated the serum levels of Interleukin (I...
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Veröffentlicht in: | Archives of Dermatological Research 2013-03, Vol.305 (2), p.173-177 |
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Zusammenfassung: | Henoch-Schönlein purpura (HSP) is the most common systemic vasculitis and is known as an immunoglobulin (Ig) A related immune complex-mediated disease. However, the molecular mechanisms in the development of HSP are not yet fully understood. Herein, we investigated the serum levels of Interleukin (IL)-33 and soluble ST2 (sST2) in HSP patients and their association with disease severity and IgA autoantibodies production. The serum levels of IL-33 and sST2 were measured by double antibody sandwich enzyme-linked immunosorbent assay (ELISA) in the serum of 33 patients with HSP and 22 controls. Serum levels of IgA anti-endothelial cell antibodies (AECA) and IgA anticardiolipin antibodies (ACA) in HSP patients were detected by double antigen sandwich ELISA. Our results indicated that serum levels of IL-33 but not sST2 were significantly elevated in patients with HSP in acute stage and restored to normal levels in convalescent stage. Moreover, serum IL-33 levels were correlated with the severity of HSP and serum concentrations of AECA-IgA and ACA-IgA. Taken together, we show firstly that serum IL-33 is abnormally elevated in HSP patients. IL-33 might be associated with the IgA autoantibodies production in the pathogenesis of HSP. |
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ISSN: | 0340-3696 1432-069X |
DOI: | 10.1007/s00403-012-1268-7 |