Journal
TUBERCULOSIS
Volume 91, Issue 3, Pages 231-237Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.tube.2011.02.002
Keywords
Th17 cells; Tuberculous pleural effusion; Cytokine; IFN-gamma
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Funding
- Nanjing Medical Science and Technique Development Foundation
- Specialized Research Fund for the Doctoral Program of Higher Education [20100091120002]
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Th17 cells have emerged as an important mediator in inflammatory and autoimmune diseases. Recent studies suggest a potential impact of Th17 cells on tuberculosis (TB) infection. This study was designed to investigate the possible involvement of Th17 cells in tuberculous pleural effusion. Compared with healthy volunteers, patients with TB had a higher proportion of Th17 cells in peripheral blood mononuclear cells (PBMCs). Moreover, the percentage of Th17 cells in pleural effusions of TB patients was obviously higher than that in PBMC from TB patients or healthy controls. Furthermore, the mRNA and protein expression levels of IL-17 and IL-6 were significantly increased in the patients with tuberculous pleural effusion, while expression level of TGF-beta was decreased in the pleural effusion. Correlation analysis showed a significant correlation between IFN-gamma concentrations and the frequencies of Th17 cells in tuberculous pleural effusion. These results indicate that Th17 cells may contribute to the immunopathogenesis of tuberculous pleural effusion. (C) 2011 Elsevier Ltd. All rights reserved.
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