期刊
MEDIATORS OF INFLAMMATION
卷 2016, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2016/3678152
关键词
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资金
- National Natural Science Foundation of China [81301021, 81471216]
- Jilin Provincial Science and Technology Development of China [20130522025JH]
- International Science and Technology Cooperation Program of Jilin Provincial Science and Technology Development of China [20150414011GH]
- Norman Bethune Cultivation Plan of Jilin University
- Swedish Research Council [K2013-66X-22337-01-3, 2015-03005]
- First hospital, Jilin University of China
Objective. This study aimed to examine the potential role of memory T follicular helper (Tfh) cells in patients with neuromyelitis optica/neuromyelitis optica spectrum disorders (NMO/NMOSD). Methods. The percentages of different subsets of circulating memory Tfh cells in 25 NMO/NMOSD patients before and after treatment as well as in 17 healthy controls were examined by flow cytometry. The levels of IL-21 and AQP4 Ab in plasma and CSF were measured by ELISA. Results. The percentages and numbers of circulating memory Tfh cells, ICOS+, CCR7(-), CCR7(-)ICOS(+), CCR7(+), CCR7(+)ICOS(+) memory Tfh cells, and the levels of IL-21 in plasma and CSF were significantly increased in NMO/NMOSD patients. The percentages of CCR7(-) and CCR7(-)ICOS(+) memory Tfh cells were positively correlated with ARR, plasma IL-21, and AQP4 Ab levels. The percentages of CCR7(+) and CCR7(+)ICOS(+) memory Tfh cells were positively correlated with CSF white blood cell counts, proteins, and IL-21 levels. Treatment with corticosteroids significantly reduced the numbers of CCR7(-)ICOS(+) and CCR7(+)ICOS(+) memory Tfh cells as well as plasma IL-21 levels in patients with partial remission. Conclusions. Our findings indicate that circulating memory Tfh cells may participate in the relapse and development of NMO/NMOSD and may serve as a new therapeutic target.
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