Abstract:
INTRODUCTION:Rheumatoid arthritis (RA) is considered a T cell driven autoimmune disease, therefore, the ability of B cell depleting biologics, e.g., anti-CD20 antibodies, to alleviate RA is unclear. This study examined the proportions of IL-17-secreting lymphocytes in the blood of healthy subjects and RA patients and determined if Th17 cells belong to a CD20+ subset of T cells. METHODS:Fluorescence-activated cell sorting and confocal microscopy verified CD3, CD4/CD8 and CD20-staining of T cells. IL-17 secretion was determined using a commercial assay. RESULTS:In healthy subjects and RA patients blood, the median percentage of total CD20+ lymphocytes was similar (7.5%; n = 6 and 10.3%; n = 9, respectively) and comprised predominantly of B cells (~ 86%). However, 2-4% of CD3+ T cells from both healthy subjects (n = 7) and RA (n = 8) individuals co-expressed CD20. The peripheral blood of healthy subjects contained few IL-17-secreting CD20+ T cells (< 0.1%; n = 6). In contrast, in RA blood a median and interquartile range % of, 24.2%; IQR 28.5 of IL-17-secreting T cells were CD20+ (n = 9; p = 0.02). CONCLUSIONS:In the blood of RA patients, a greater proportion of Th17 cells are of a CD20+ phenotype compared to healthy individuals. These cells may represent an additional target for anti-CD20 therapies.
journal_name
Arthritis Res Therjournal_title
Arthritis research & therapyauthors
Eggleton P,Bremer E,Tarr JM,de Bruyn M,Helfrich W,Kendall A,Haigh RC,Viner NJ,Winyard PGdoi
10.1186/ar3541subject
Has Abstractpub_date
2011-01-01 00:00:00pages
R208issue
6eissn
1478-6354issn
1478-6362pii
ar3541journal_volume
13pub_type
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-015-0724-0
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章,已发布勘误
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pub_type: 临床试验,杂志文章,多中心研究
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journal_title:Arthritis research & therapy
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2005-01-01 00:00:00
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pub_type: 评论,社论
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