Disturbances of Modulating Molecules (FOXP3, CTLA-4/CD28/B7, and CD40/CD40L) mRNA Expressions in the Orbital Tissue from Patients with Severe Graves’ Ophthalmopathy

Disturbances of Modulating Molecules (FOXP3, CTLA-4/CD28/B7, and CD40/CD40L) mRNA Expressions in the Orbital Tissue from Patients with Severe Graves’ Ophthalmopathy

Purpose. To evaluate the relationship between the expression of orbital tissue mRNA for FOXP3, CTLA-4/CD28/CD80/CD86, and CD40/CD40 and the severity of Graves’ orbitopathy (GO). Material and Methods. Orbital tissue was obtained from 26 patients with GO, with mild (n=6) or severe GO (n=20), and 7 hea...

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Main Authors: Przemyslaw Pawlowski, Natalia Wawrusiewicz-Kurylonek, Anja Eckstein, Joanna Reszec, Wlodzimierz Luczynski, Kristian Johnson, Adam Kretowski, Alina Bakunowicz-Lazarczyk, Maria Gorska, Jacek Szamatowicz, Lech Chyczewski, Janusz Mysliwiec
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/2015/340934
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Summary:Purpose. To evaluate the relationship between the expression of orbital tissue mRNA for FOXP3, CTLA-4/CD28/CD80/CD86, and CD40/CD40 and the severity of Graves’ orbitopathy (GO). Material and Methods. Orbital tissue was obtained from 26 patients with GO, with mild (n=6) or severe GO (n=20), and 7 healthy controls. The expression of mRNA of FOXP3, CTLA-4/CD28/CD80/CD86, CD40/CD40L was measured by RT-PCR. TCR and CD3 were evaluated by immunohistochemistry. Results. Higher mRNA for FoxP3 (relative expression: 1.4) and CD40 (1.27) and lower expression of CTLA-4 (0.61) were found in the GO tissues versus controls. In severe GO as compared to mild GO higher mRNA expression for FoxP3 (1.35) and CD40 (1.4) and lower expression for CTLA-4 (0.78), CD28 (0.62), and CD40L (0.56) were found. A positive correlation was found between FOXP3 mRNA and CD3 infiltration (R=0.796, P=0.0000001). Conclusions. The enhanced FOXP3 mRNA expression in GO samples may suggest the dysfunction of FOXP3 cells in the severe GO. The diminished mRNA expression of CTLA-4 in severe GO may indicate inadequate T regulatory function. The enhanced mRNA expression of CD40 in severe GO and negative correlation to CRP mRNA may suggest their role in the active and inactive GO.
ISSN:0962-9351
1466-1861

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