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

Zalewska, Anna; Głowacka, Ewa; Wyczółkowska, Janina; Tchórzewski, Henryk; Narbutt, Joanna; Sysa-Jȩdrzejowska, Anna

doi:https://doi.org/10.1155/MI/2006/81767

Mediators of Inflammation

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Research Communication | Open Access

Volume 2006 | Article ID 081767 | https://doi.org/10.1155/MI/2006/81767

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

Anna Zalewska,¹Ewa Głowacka,²Janina Wyczółkowska,³Henryk Tchórzewski,²Joanna Narbutt,¹and Anna Sysa-Jȩdrzejowska¹

Received21 Sept 2005

Accepted20 Oct 2005

Published23 Feb 2006

Abstract

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 (P<0.001) 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.

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Copyright © 2006 Anna Zalewska et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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