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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Fu, C-L Chuang, Y-H Huang, H-Y Chiang, B-L |
| Description | Author Affiliation: Fu CL ( Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taiwan, ROC.) |
| Abstract | Dendritic cells (DCs) can induce both tolergenic as well as effective immune responses in the lung. Pulmonary DCs producing interleukin (IL)-10 mediated tolerance induced by respiratory exposure to antigen. IL-10 is an important immunosuppressive cytokine, which inhibits maturation and function of DC. To assess whether IL-10 producing DCs can exert the tolergenic effect through the differentiation of regulatory T cells, bone marrow derived DCs were genetically modified by IL-10 expressing adenovirus. IL-10 gene modified DCs (Ad-IL-10-DC) displayed a characteristic phenotype of immature DCs. Here we showed that in vitro repetitive stimulation of naïve DO11.10 CD4(+) T cells with Ad-IL-10-DCs resulted in a development of IL-10 producing T-cell regulatory cells. These T cells could not proliferate well but also lost their ability to produce interferon-gamma upon restimulation with irradiated splenocytes and ovalbumin peptide. Furthermore, in co-culture experiments these T cells inhibited the antigen-driven proliferation of naïve CD4+ T cells in a dose-dependent manner. Our findings demonstrated that IL-10 producing DCs had the potential to induce the differentiation of Tr1-like cells and suggested their therapeutic use. |
| File Format | HTM / HTML |
| ISSN | 00099104 |
| e-ISSN | 13652249 |
| DOI | 10.1111/j.1365-2249.2008.03689.x |
| Journal | Clinical & Experimental Immunology |
| Issue Number | 2 |
| Volume Number | 153 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2008-08-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Immunology Cd4-positive T-lymphocytes Immunology Dendritic Cells Interleukin-10 T-lymphocytes, Regulatory Adenoviridae Genetics Animals Bone Marrow Cells Cell Differentiation Coculture Techniques Genetic Vectors Pharmacology Immune Tolerance Interferon-gamma Lymphocyte Activation Mice Mice, Inbred Balb C Mice, Transgenic Transduction, Genetic Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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