Follicular helper T cells in autoimmune diseases.
نویسندگان
چکیده
Complete List of Authors: Papp, Gábor; University of Debrecen Medical Center, Institute of Medicine, Department of Clinical Immunology Szabó, Krisztina; University of Debrecen Medical Center, Institute of Medicine, Department of Clinical Immunology Szekanecz, Zoltán; University of Debrecen Medical Center, Institute of Medicine, Department of Rheumatology Zeher, Margit; University of Debrecen Medical Center, Institute of Medicine, Department of Clinical Immunology
منابع مشابه
T follicular helper cells, T follicular regulatory cells and autoimmunity.
CD4(+)T follicular helper (Tfh) cells are recognized as a distinct T-cell subset, which provides help for germinal center (GC) formation, B-cell development and affinity maturation, and immunoglobulin class switching, as an indispensable part of adaptive immunity. Tfh cell differentiation depends on various factors including cell-surface molecule interactions, extracellular cytokines and multip...
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In the germinal center (GC), follicular helper T (TFH) cells interact with B cells and undergo a series of GC reactions to ultimately produce high-affinity antibodies and memory plasma cells. Recent studies have found a subpopulation of regulatory T cells called follicular regulatory T (TFR) cells. TFR cells can inhibit TFH cells and/or B cells in a variety of ways to specifically regulate GC r...
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Production of high affinity antibodies for antigens is a critical component for the immune system to fight off infectious pathogens. However, it could be detrimental to our body when the antigens that B cells recognize are of self-origin. Follicular helper T, or Tfh, cells are required for the generation of germinal center reactions, where high affinity antibody-producing B cells and memory B c...
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CXCR5+ T follicular helper (Tfh) cells are associated with aberrant autoantibody production in patients with antibody-mediated autoimmune diseases including lupus. Follicular regulatory T (Tfr) cells expressing CXCR5 and Bcl6 have been recently identified as a specialized subset of Foxp3+ regulatory T (Treg) cells that control germinal center reactions. In this study, we show that retroviral tr...
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Antibodies are powerful defense tools against pathogens but may cause autoimmune diseases when erroneously directed toward self-antigens. Thus, antibody producing cells are carefully selected, refined, and expanded in a highly regulated microenvironment (germinal center) in the peripheral lymphoid organs. A subset of T cells termed T follicular helper cells (Tfh) play a central role in instruct...
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Autoimmune diseases and other inflammatory conditions are characterized by large lymphocytic tissue infiltrates in which T and B cells can be found in close contact. Here, using a murine airway inflammation model, we compare antigen-specific T and B cells in lung tissue versus lung-draining lymph node. In the lung we identify a B-cell population exhibiting a classical germinal centre phenotype ...
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عنوان ژورنال:
- Rheumatology
دوره 53 7 شماره
صفحات -
تاریخ انتشار 2014