| Pleural fluid from tuberculous pleurisy inhibits the functions of T cells and the differentiation of Th1 cells via immunosuppressive factors. | |
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MedLine Citation:
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PMID: 21258363 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Immunosuppressive mediators in tuberculosis pleurisy (pleural fluid (PF)) are associated with the course of disease, but they remain poorly defined. To study the local immune status of patients with tuberculosis pleurisy, we examined the effect of PF on the functions of T cells and the differentiation of Th1 cells. PF could inhibit the ability of T cells to produce cytokines. However, tumor-necrosis factor (TNF)-α derived from non-T cells was not impaired. Further analysis indicated that cell activation and cell cycle progression were also suppressed. Moreover, PF could inhibit Th1 cell differentiation. Importantly, we found that inhibitors of indoleamine 2,3-dioxygenase (IDO) and adenosine and neutralizing antibodies against IL-10 and transforming growth factor (TGF)-β could reverse cytokine production, suggesting that IDO, adenosine, IL-10 and Transforming growth factor-β1 in PF might take part in impairing T-cell functions. Taken together, our data demonstrate for the first time that several immunopathological factors participate in the downregulation of T-cell functions in local PF.Cellular & Molecular Immunology advance online publication, 24 January 2011; doi:10.1038/cmi.2010.80. |
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Authors:
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Qin Li; Li Li; Yun Liu; Xiaoying Fu; Dan Qiao; Hui Wang; Suihua Lao; Fengyu Huang; Changyou Wu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-24 |
Journal Detail:
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Title: Cellular & molecular immunology Volume: - ISSN: 2042-0226 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-1-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101242872 Medline TA: Cell Mol Immunol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Immunology, Zhongshan School of Medicine, Key Laboratory of Tropical Disease Control Research of Ministry of Education, Sun Yat-Sen University, Guangzhou, China. |
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