Follicular Helper T Cells in Systemic Lupus Erythematosus.

Follicular Helper T Cells in Systemic Lupus Erythematosus.
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DOI:
10.3389/fimmu.2018.01793
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发表时间:
2018
影响因子:
7.3
通讯作者:
Diamond B
Diamond B
中科院分区:
医学2区
文献类型:
--
作者:
Kim SJ;Lee K;Diamond B

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CD4+ follicular helper T (Tfh) cells constitute a subset of effector T cells that participate in the generation of high-affinity humoral responses. They express the chemokine receptor CXCR5 and produce the cytokine IL-21, both of which are required for their contribution to germinal center formation. Uncontrolled expansion of Tfh cells is observed in various mouse models of systemic autoimmune diseases and in patients with these diseases. In particular, the frequency of circulating Tfh is correlated with disease activity and anti-DNA antibody titer in patients with systemic lupus erythematosus. Recent studies reveal functional diversity within the Tfh population in both humans and mice. We will summarize here the molecular mechanisms for Tfh cell generation, survival and function in both humans and mice, and the relationship between Tfh cells and autoimmune disease in animal models and in patients.
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