Altered B cell signalling in autoimmunity.
Altered B cell signalling in autoimmunity.
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DOI:
10.1038/nri.2017.24
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发表时间:
2017-07
期刊:
影响因子:
--
通讯作者:
Jackson SW
中科院分区:
文献类型:
--
作者:
Rawlings DJ;Metzler G;Wray-Dutra M;Jackson SW
Recent work has provided new insights into how altered B cell-intrinsic signals — through the B cell receptor (BCR) and key co-receptors — function together to promote the pathogenesis of autoimmunity. These combined signals affect B cells at two distinct stages: first, in the selection of the naive repertoire; and second, during extrafollicular or germinal centre activation responses. Thus, dysregulated signalling can lead to both an altered naive BCR repertoire and the generation of autoantibody-producing B cells. Strikingly, high-affinity autoantibodies predate and predict disease in several autoimmune disorders, including type 1 diabetes and systemic lupus erythematosus. This Review summarizes how, rather than being a downstream consequence of autoreactive T cell activation, dysregulated B cell signalling can function as a primary driver of many human autoimmune diseases.
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