The Dectin-2 family of C-type lectin-like receptors: an update.

The Dectin-2 family of C-type lectin-like receptors: an update.
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DOI:
10.1093/intimm/dxt006
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发表时间:
2013-05
影响因子:
4.4
通讯作者:
Brown GD
Brown GD
中科院分区:
医学3区
文献类型:
--
作者:
Kerscher B;Willment JA;Brown GD

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新发现揭示了 Dectin-2 家族在免疫反应的许多方面的关键作用。骨髓和非骨髓细胞表达 C 型凝集素样受体 (CTLR) 家族的成员,该家族在免疫和稳态过程中介导关键的细胞功能。这里相关的是 CTLR 的树突状细胞相关 C 型凝集素 2 (Dectin-2) 家族,其中包括血液树突状细胞抗原 2 (BDCA-2)、树突状细胞免疫激活受体 (DCAR)、树突状细胞免疫受体 (DCIR)、Dectin-2、C 型凝集素超家族 8 (CLECSF8) 和巨噬细胞诱导的 C 型凝集素 (Mincle)。这些 CTLR 拥有单个细胞外保守的 C 型凝集素样结构域,并且能够通过整合信号结构域直接介导细胞内信号传导,或通过与信号传导衔接分子结合间接介导细胞内信号传导。这些受体可识别多种内源性和外源性配体,并且可以作为包括真菌、细菌和寄生虫在内的几类病原体的模式识别受体,驱动先天性和适应性免疫。在这篇综述中,我们总结了对每种受体的了解,重点介绍了近年来取得的令人兴奋的发现。
New discoveries reveal crucial roles for the Dectin-2 family in many aspects of the immune response. Myeloid and non-myeloid cells express members of the C-type lectin-like receptor (CTLR) family, which mediate crucial cellular functions during immunity and homeostasis. Of relevance here is the dendritic cell-associated C-type lectin-2 (Dectin-2) family of CTLRs, which includes blood dendritic cell antigen 2 (BDCA-2), dendritic cell immunoactivating receptor (DCAR), dendritic cell immunoreceptor (DCIR), Dectin-2, C-type lectin superfamily 8 (CLECSF8) and macrophage-inducible C-type lectin (Mincle). These CTLRs possess a single extracellular conserved C-type lectin-like domain and are capable of mediating intracellular signalling either directly, through integral signalling domains, or indirectly, by associating with signalling adaptor molecules. These receptors recognize a diverse range of endogenous and exogenous ligands, and can function as pattern recognition receptors for several classes of pathogens including fungi, bacteria and parasites, driving both innate and adaptive immunity. In this review, we summarize our knowledge of each of these receptors, highlighting the exciting discoveries that have been made in recent years.
c型凝集素的Dectin-2家族在免疫和稳态中。
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