Sensing of cell death by myeloid C-type lectin receptors.

Sensing of cell death by myeloid C-type lectin receptors.
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通过髓样C型凝集素受体传感细胞死亡。

DOI:
10.1016/j.coi.2012.12.007
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发表时间:
2013-02
影响因子:
7
通讯作者:
Reis e Sousa C
Reis e Sousa C
中科院分区:
医学2区
文献类型:
--
作者:
Sancho D;Reis e Sousa C

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与死亡或濒临死亡的细胞相关的分子可以通过巨噬细胞和树突状细胞上的受体检测到。来自这些受体的信号影响髓系细胞的功能,并在决定死亡是沉默的还是促炎的、耐受的或免疫的方面发挥作用。在检测死亡细胞的髓系受体中,突出的是C型凝集素受体(CLR)。来自这些受体的信号以不同的方式诱导细胞身体的内吞、身体降解、死亡细胞相关抗原的回收和/或免疫反应的调节。髓系CLRs对组织损伤的感知是对免疫中病原体检测的补充,代表了一种旨在恢复组织动态平衡的古老反应。
Molecules associated with dead or dying cells can be detected by receptors on macrophages and dendritic cells. Signals from these receptors impact myeloid cell function and play a role in determining whether death is silent or proinflammatory, tolerogenic or immunogenic. Prominent among myeloid receptors detecting dead cells are C-type lectin receptors (CLRs). Signals from these receptors variably induce endocytosis of cell corpses, corpse degradation, retrieval of dead cell-associated antigens and/or modulation of immune responses. The sensing of tissue damage by myeloid CLRs complements detection of pathogens in immunity and represents an ancient response aimed at restoring tissue homeostasis.
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