Abstract:
BACKGROUND:The mechanisms underlying tolerance induction and maintenance in autoimmune arthritis remain elusive. In a mouse model of rheumatoid arthritis, collagen type II (CII)-induced arthritis, we explore the contribution of B cells to antigen-specific tolerance. METHODS:To generate expression of the CII-peptide specifically on B-cell major histocompatibility complex type II, lentiviral-based gene therapy including a B-cell-specific Igk promoter was used. RESULTS:Presentation of the CII-peptide on B cells significantly reduced the frequency and severity of arthritis as well as the serum levels of CII -specific IgG antibodies. Further, both frequency and suppressive function of regulatory T cells were increased in tolerized mice. Adoptive transfer of regulatory T cells from tolerized mice to naïve mice ameliorated the development of CII-induced arthritis. CONCLUSION:Our data suggest that endogenous presentation of the CII-peptide on B cells is one of the key contributors to arthritis tolerance induction and maintenance.
journal_name
Arthritis Res Therjournal_title
Arthritis research & therapyauthors
Andersson SE,Eneljung T,Tengvall S,Jirholt P,Stern A,Henningsson L,Liang B,Thorarinsdottir K,Kihlberg J,Holmdahl R,Mårtensson IL,Gustafsson K,Gjertsson Idoi
10.1186/s13075-016-1037-7subject
Has Abstractpub_date
2016-06-14 00:00:00pages
140issue
1eissn
1478-6354issn
1478-6362pii
10.1186/s13075-016-1037-7journal_volume
18pub_type
杂志文章abstract::TNF inhibitors are currently considered both effective and cost-effective in patients with active rheumatoid arthritis (RA), particularly in patients who have not responded fully to methotrexate. There is substantial doubt about the cost-effectiveness of TNF inhibitors as initial treatment for active RA. New data from...
journal_title:Arthritis research & therapy
pub_type: 评论,社论
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pub_type: 杂志文章,meta分析
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