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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lee, H-Y Hong, Y-K Yun, H-J Kim, Y-M Kim, J-R Yoo, W-H |
| Description | Author Affiliation: Lee HY ( Division of Rheumatology, Department of Internal Medicine, Chonbuk National University Medical School and Research Institute of Clinical Medicine, Geumam-Dong, Deokjin-Gu, Jeonju, Jeonbuk, Korea.) |
| Abstract | OBJECTIVES: To determine the frequency and chemokine receptor-related migratory capacity of CD4(+)CD25(+) regulatory T cells (Tregs) and their association with clinical parameters in patients with SLE. METHODS: The expression of CD4, CD25, FoxP3 and CCR4 was examined with flow cytometry after staining with fluorescence-conjugated antibodies in 20 patients with SLE, 20 patients with RA and 21 age- and sex-matched healthy controls. For analysis of migration capacity in 24-well chemotaxis chambers, sorted cells were stimulated with ligands of CCR4, CCL17 and CCL22 and analysed with FACScan. Correlations between the number of Tregs and CCR4(+) Treg cells and clinical parameters were analysed. RESULTS: The numbers of Tregs(bright) and CCR4(+) Tregs(bright) were significantly decreased in the patients with SLE compared with healthy controls. The number of Tregs(bright) was negatively correlated with the levels of anti-dsDNA antibody and the number of CCR4(+) Tregs(bright) had a positive correlation with the levels of C(3). Percentage of migrated Tregs(bright) by CCL17 or CCL22 was significantly decreased in the patients with SLE compared with healthy controls. CONCLUSIONS: These results suggest that altered frequency of Tregs and CCR4(+) Tregs(bright) and decreased migratory capacity of Tregs might be involved in the pathogenesis of SLE and indicate that targeting the Tregs can be a new therapeutic strategy in SLE. |
| File Format | HTM / HTML |
| ISSN | 14620324 |
| e-ISSN | 14620332 |
| Journal | Rheumatology |
| Issue Number | 6 |
| Volume Number | 47 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2008-06-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Rheumatology Chemotaxis, Leukocyte Immunology Lupus Erythematosus, Systemic T-lymphocytes, Regulatory Adolescent Anti-inflammatory Agents Therapeutic Use Chemokine Ccl17 Chemokine Ccl22 Forkhead Transcription Factors Blood Glucocorticoids Interleukin-2 Receptor Alpha Subunit Drug Therapy Lymphocyte Count Receptors, Ccr4 Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology (medical) Rheumatology |
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