期刊
AUTOIMMUNITY
卷 45, 期 5, 页码 400-414出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/08916934.2012.665529
关键词
B cell cytokines; B cell proliferation; B cell APC function; B cell co-stimulation molecules; B-T interaction
类别
资金
- TEVA Neuroscience
The pathogenic role for B cells in the context of relapsing remitting multiple sclerosis (MS) is incompletely defined. Although classically considered a T cell-mediated disease, B cell-depleting therapies showed efficacy in treating the clinical symptoms of RRMS without decreasing plasma cells or total immunoglobulin (Ig) levels. Here, we discuss the potential implications of antibody-independent B cell effector functions that could contribute to autoimmunity with particular focus on antigen presentation, cytokine secretion, and stimulation of T cell subsets. We highlight differences between memory and naive B cells from MS patients such as our recent findings of hyper-proliferation from MS memory B cells in response to CD40 engagement. We discuss the implications of IL6 overproduction in contrast to limited IL10 production by B cells from MS patients and comment on the impact of these functions on yet unexplored aspects of B cells in autoimmune disease. Finally, we contextualize B cell effector functions with respect to current immunomodulatory therapies for MS and show that glatiramer acetate (GA) does not directly modulate B cell proliferation or cytokine secretion.
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