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| Content Provider | PubMed Central |
|---|---|
| Author | Ma, Jie Zhu, Chenlu Ma, Bin Tian, Jie Baidoo, Samuel Essien Mao, Chaoming Wu, Wei Chen, Jianguo Tong, Jia Yang, Min Jiao, Zhijun Xu, Huaxi Lu, Liwei Wang, Shengjun |
| Copyright Year | 2012 |
| Abstract | Follicular helper T (Tfh) cells are recognized as a distinct CD4+ helper T-cell subset, which provides for B-cell activation and production of specific antibody responses, and play a critical role in the development of autoimmune disease. So far, only one study investigated the circulating Tfh cells increased in a subset of SLE patients. Since relatively little is known about the Tfh cells in rheumatoid arthritis (RA) patients, in this study, Tfh-cell frequency, related cytokine IL-21, and transcription factor Bcl-6 were investigated in 53 patients with RA and 31 health controls. Firstly, we found that the frequency of CD4+CXCR5+ICOShighTfh cells was increased significantly in the peripheral blood of RA patients, compared with that in healthy controls. It is known that Tfh cells are critical for directing the development of an antibody response by germinal centers B cells; secondly, we observed that the Tfh-cell frequency is accompanied by the level of anti-CCP antibody in RA patients. Furthermore, expression of Bcl-6 mRNA and plasma IL-21 concentrations in RA patients was increased. Taken together, these findings have shown that the increased frequency of circulating Tfh cells is correlated with elevated levels of anti-CCP antibody, indicating the possible involvement of Tfh cells in the disease progression of RA. |
| Related Links | http://dx.doi.org/10.1155/2012/827480 |
| Starting Page | 827480 |
| File Format | |
| ISSN | 17402522 |
| e-ISSN | 17402530 |
| Journal | Clinical and Developmental Immunology |
| Volume Number | 2012 |
| Language | English |
| Publisher | Hindawi Publishing Corporation |
| Publisher Date | 2012-01-01 |
| Access Restriction | Open |
| Rights Holder | Hindawi Publishing Corporation |
| Subject Keyword | Immunology Immunology and Allergy Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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