Reading the room: iNKT cells influence B cell responses.

Reading the room: iNKT cells influence B cell responses.
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DOI:
10.1016/j.molimm.2020.12.005
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发表时间:
2021-03
影响因子:
3.6
通讯作者:
Karlsson MCI
Karlsson MCI
中科院分区:
医学3区
文献类型:
--
作者:
Leadbetter EA;Karlsson MCI

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由不变的自然杀伤T(iNKT)细胞调节的快速免疫应答弥合了对病原体的先天性应答和适应性应答之间的差距,同时还提供了维持免疫稳态的关键调节。iNKT免疫保护和免疫调节均通过与表达CD 1d的先天和适应性B细胞群的相互作用介导。最近的研究扩大了我们对iNKT细胞在调节炎症和自身反应性B细胞之间的支点位置的理解。环境信号影响iNKT细胞为随后的适应性反应设定基调,范围从作为iNKT调节细胞(iNKTreg)维持稳态或作为iNKT滤泡辅助细胞(iNKTFH)支持病原体特异性效应B细胞。本文就iNKT和B细胞在自身免疫和无菌性炎症中的协同作用作一综述。了解iNKT和B细胞之间相互作用的性质将使临床干预措施的开发能够在一系列适应症中战略性地靶向调节性iNKT和B细胞群体或炎性细胞群体。
Rapid immune responses regulated by invariant Natural Killer T (iNKT) cells bridge the gap between innate and adaptive responses to pathogens, while also providing key regulation to maintain immune homeostasis. iNKT immune protection and immune regulation are both mediated through interactions with innate and adaptive B cell populations that express CD1d. Recent studies have expanded our understanding of the position of iNKT cells at the fulcrum between regulating inflammatory and autoreactive B cells. Environmental signals influence iNKT cells to set the tone for subsequent adaptive responses, ranging from maintaining homeostasis as an iNKT regulatory cell (iNKTreg) or supporting pathogen-specific effector B cells as an iNKT follicular helper (iNKTFH). Here we review recent advances in iNKT and B cell cooperation during autoimmunity and sterile inflammation. Understanding the nature of the interactions between iNKT and B cells will enable the development of clinical interventions to strategically target regulatory iNKT and B cell populations or inflammatory ones, across a range of indications.
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