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T-cell regulation in chronic paranasal sinus disease.

Authors: Van Bruaene, N  Perez-Novo, CA  Basinski, TM  Van Zele, T  Holtappels, G  De Ruyck, N  Schmidt-Weber, C  Akdis, C  Van Cauwenberge, P  Bachert, C  Gevaert, P 
Citation: Van Bruaene N, etal., J Allergy Clin Immunol. 2008 Jun;121(6):1435-41, 1441.e1-3.
Pubmed: (View Article at PubMed) PMID:18423831
DOI: Full-text: DOI:10.1016/j.jaci.2008.02.018

BACKGROUND: Chronic rhinosinusitis is an inflammatory disease with distinct cytokine and remodeling patterns. Chronic rhinosinusitis with nasal polyps (CRSwNP) is characterized by a T(H)2-skewed eosinophilic inflammation, whereas chronic rhinosinusitis without nasal polyps (CRSsNP) represents a predominant T(H)1 milieu. OBJECTIVE: We aimed to study the direct tissue expression of transcription factors for T-cell subpopulations, including T regulatory cells, in relation to the cytokine expression patterns in the different disease subgroups. METHODS: The expression of forkhead box P3 (FOXP3), T-box transcription factor (T-bet), GATA-3, retinoid acid-related orphan receptor C (RORc), the suppressive cytokines TGF-beta1 and IL-10, and T(H)1/ T(H)2/ T(H)17 cytokines (IFN-gamma, IL-4, IL-5, IL-13, IL-17) were analyzed by means of RT-PCR in 13 CRSsNP, 16 CRSwNP, and 10 control samples. Additional protein measurements were performed for TGF-beta1 and IFN-gamma. RESULTS: In CRSwNP, we observed a significantly lower FOXP3 mRNA and TGF-beta1 protein expression, but a significantly higher T-bet, GATA-3, IL-5, and IL-13 mRNA expression compared with controls, whereas RORc was not significantly different compared with controls. In CRSsNP, FOXP3, T-bet, GATA-3, and RORc expression was not significantly different from controls, whereas TGF-beta1 mRNA, IFN-gamma mRNA, and protein were significantly higher in CRSsNP compared with controls. For IL-17, no significant differences were noted among all groups. CONCLUSION: We demonstrate for the first time a decreased FOXP3 expression accompanied by an upregulation of T-bet and GATA-3 and a downregulation of TGF-beta1 in CRSwNP versus controls and CRSsNP.

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RGD Object Information
RGD ID: 4145277
Created: 2010-10-27
Species: All species
Last Modified: 2010-10-27
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.