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Cytokine. 2012 Dec;60(3):701-6. doi: 10.1016/j.cyto.2012.08.007. Epub 2012 Sep 18.

Cytokine profiles in serum of patients with oral lichen planus.

Author information

1
Marmara University, Faculty of Dentistry, Department of Oral Diagnosis and Radiology, Istanbul, Turkey. fpekiner@yahoo.com

Abstract

OBJECTIVE:

Oral lichen planus (OLP) is a chronic inflammatory disorder of oral mucosa, which represents T-cell-mediated autoimmune diseases. The inflammatory response in OLP is characterized by the accumulation and expansion of T-helper 1 (Th1) lymphocytes. Several lines of evidence have suggested that a complex cytokine network plays an important role in the exacerbation and perpetuation of OLP. The aim of this study was to evaluate Th1 and T-helper 2 (Th2) cytokine profile in serum of patients with OLP in comparison to healthy controls.

METHODS:

Thirty patients with OLP, and 30 healthy controls participated in the study. Tumor necrosis factor (TNF)-α, interferon (IFN)-γ, interleukin (IL)-2, IL-4, IL-5 and IL-10 levels have been measured in flow cytometry by bead based cytokine measurement.

RESULTS:

Although no statistical differences were observed in the serum levels of TNF-α, IFN-γ, IL-5 and IL-4 between OLP patients and controls (p>0.05), there were statistically significant differences in the serum levels of IL-2 and IL-10 (p<0.05 and p<0.01, respectively). A significantly decreased tendency towards the levels of IL-2 were observed in OLP patients when compared to controls (p<0.05), and the mean level of IL-10 in serum increased remarkably in the OLP patients than those in the controls (p<0.01).

CONCLUSIONS:

The finding of higher serum levels of IL-10 in patients in presence of low serum IL-2 levels, shows us that there is a dominance of Th2 response. This makes us think that there is a change in Th1/Th2 balance. Dominance of the Th2 response may indicate that OLP could be a result of a delayed type hypersensitivity.

PMID:
22995209
DOI:
10.1016/j.cyto.2012.08.007
[Indexed for MEDLINE]

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