NOD-like receptors (NLRs): bona fide intracellular microbial sensors.

NOD-like receptors (NLRs): bona fide intracellular microbial sensors.
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DOI:
10.1016/j.coi.2008.06.001
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发表时间:
2008-08
影响因子:
7
通讯作者:
Nunez, Gabriel
Nunez, Gabriel
中科院分区:
医学2区
文献类型:
--
作者:
Shaw, Michael H.;Reimer, Thornik;Kim, Yun-Gi;Nunez, Gabriel

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NLR(含有富含亮氨酸重复序列的核苷酸结合域)蛋白家族已被证明可以作为针对微生物病原体的先天免疫反应的调节剂。 NOD1 和 NOD2(两种原型 NLR)的刺激会导致 MAPK 和 NF-κB 的激活。另一方面,一组不同的 NLR 通过炎症小体的组装诱导 caspase-1 激活。这篇综述讨论了 NLR 蛋白在控制 caspase-1 和 NF-κB 激活中所利用的信号通路以及 NLR 在病原体清除中的非冗余作用的最新发现。该综述还涵盖了这些蛋白质的细胞定位方面的进展以及这可能对病原体传感和信号转导产生的影响。
The NLR (nucleotide-binding domain leucine-rich repeat containing) family of proteins has been demonstrated to function as regulators of innate immune response against microbial pathogens. Stimulation of NOD1 and NOD2, two prototypic NLRs, results in the activation of MAPK and NF-κB. On the other hand, a different set of NLRs induces caspase-1 activation through the assembly of an inflammasome. This review discusses recent findings regarding the signaling pathways utilized by NLR proteins in the control of caspase-1 and NF-κB activation, as well as the non-redundant role of NLRs in pathogen clearance. The review also covers advances regarding the cellular localization of these proteins and the implications this may have on pathogen sensing and signal transduction.
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