Iranian Journal of Immunology

Serum Levels of IL-10 and IL-22 Cytokines in Patients with Psoriasis

Document Type : Short Paper

Authors

Mohammad Reza Sobhan 1
Mahmood Farshchian 1
Ali Hoseinzadeh 1
Hamid Reza Ghasemibasir 1
Ghasem Solgi 2

1 Psoriasis Research Center, Department of Dermatology, Farshchian Hospital, Hamadan University of Medical Sciences, Hamadan, Iran

2 Immunology Department, School of medicine, Hamadan University of Medical Sciences, Hamadan, Iran

https://doi.org/10.22034/iji.2016.39283
Abstract
Background: As a chronic inflammatory condition, psoriasis results from an interaction
between genetic and immunologic factors in a predisposing environment. In spite of
compelling evidence for the role of T cells and cytokines in psoriasis, interleukin (IL)-
10 and IL-22 have not been sufficiently investigated. Objective: To assess the serum
levels of IL-10 and IL-22 in patients with psoriasis compared to healthy controls.
Methods: A total of 28 patients with psoriasis were compared with 28 age and sexmatched
healthy subjects. Psoriasis Area and Severity Index (PASI) criteria were used
to measure the severity of the disease. Serum levels of IL-10 and IL-22 were measured
in both groups and compared. Results: The mean serum level of IL-10 was 89.5±18.7 in
patients compared to 117.2±23.4 pg/ml in the controls (p=0.36). Also, serum level of
IL-22 was 284.1±49.7 in patients versus 425.4±82.8 pg/ml in control group (p=0.17).
There was a significant direct correlation between levels of IL-10 and IL-22 in patients
group (p=0.0005). The clinical severity of psoriasis was significantly correlated with
high levels of IL-22 (p<0.0001).Conclusions: The decreased levels of IL-10 in psoriatic
patients and direct correlation between higher levels of IL-22 and disease severity
support the clinical implication of both cytokines in psoriasis.

Keywords

IL-10
IL-22
Psoriasis
Iranian Journal of Immunology
Volume 13, Issue 4
Autumn 2016
Pages 317-323

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