Interleukin 6 and 8 Levels in Plasma and Fibroblast Cultures in Psoriasis

<p>Fibroblasts have been implicated in psoriatic inflammatory processes. The aim of the study was to evaluate soluble interleukin 2 receptor (sIL-2R), interleukin 6 (IL-6), and interleukin 8 (IL-8) plasma levels in psoriatic patients and IL-6 and IL-8 levels in fibroblast culture supernatants....

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Bibliographic Details
Format: Article
Language:English
Published: Wiley 2006-01-01
Series:Mediators of Inflammation
Online Access:http://www.hindawi.com/GetArticle.aspx?doi=10.1155/MI/2006/81767
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Summary:<p>Fibroblasts have been implicated in psoriatic inflammatory processes. The aim of the study was to evaluate soluble interleukin 2 receptor (sIL-2R), interleukin 6 (IL-6), and interleukin 8 (IL-8) plasma levels in psoriatic patients and IL-6 and IL-8 levels in fibroblast culture supernatants. Cytokines levels in plasma and supernatants were measured by ELISA. Plasma sIL-2R, IL-6, and IL-8 levels were higher before the treatment in comparison to healthy controls (<mml:math alttext="$P<0.001$"> <mml:mi>P</mml:mi> <mml:mo>&#x003C;</mml:mo> <mml:mn>0.001</mml:mn> </mml:math>) and decreased after treatment. Fibroblasts from healthy controls, psoriatic lesional skin, and noninvolved psoriatic skin, when stimulated with tumor necrosis factor alpha, released considerable amounts of IL-6 and IL-8. No significant difference between healthy controls and psoriatic fibroblasts was observed. Monitoring plasma sIL-2R levels could be employed as a reliable method of psoriasis activity. IL-8 and IL-6 plasma levels seem to reflect psoriasis activity, and treatment response, respectively. Fibroblasts are not a major source of increased IL-6 and IL-8 production in psoriasis.</p>
ISSN:0962-9351