Role of inhibitory signaling in peripheral B cell tolerance.

Role of inhibitory signaling in peripheral B cell tolerance.
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DOI:
10.1111/imr.13070
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发表时间:
2022-05
影响因子:
8.7
通讯作者:
Getahun A
Getahun A
中科院分区:
医学1区
文献类型:
--
作者:
Getahun A

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外周中至少20%的B细胞表达具有一定程度自身反应性的抗原受体。如果被激活,这些自身反应性B细胞会带来风险,因为它们会导致自身免疫性疾病的发展。为了防止它们的激活,健康个体中存在B细胞内源性和外源性耐受机制。在这篇综述文章中,我将集中在B细胞的内在机制,防止激活自体反应性B细胞在周边。我将讨论如何在自身反应性B细胞中建立抑制性信号通路,重点是Lyn-SHIP-1-SHP-1轴,它们如何有助于外周免疫耐受,以及这些通路的中断如何有助于自身免疫的发展。
At least 20% of B cells in the periphery express an antigen receptor with a degree of self-reactivity. If activated, these autoreactive B cells pose a risk as they can contribute to the development of autoimmune diseases. To prevent their activation, both B cell-intrinsic and extrinsic tolerance mechanisms are in place in healthy individuals. In this review article, I will focus on B cell-intrinsic mechanisms that prevent the activation of autoreactive B cells in the periphery. I will discuss how inhibitory signaling circuits are established in autoreactive B cells, focusing on the Lyn-SHIP-1-SHP-1 axis, how they contribute to peripheral immune tolerance, and how disruptions of these circuits can contribute to the development of autoimmunity.
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发表时间: 1997-12-15
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