Neuronal regulation of type 2 innate lymphoid cells via neuromedin U.

Neuronal regulation of type 2 innate lymphoid cells via neuromedin U.
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DOI:
10.1038/nature23469
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发表时间:
2017-09-14
期刊:
影响因子:
64.8
通讯作者:
Veiga-Fernandes H
Veiga-Fernandes H
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Cardoso V;Chesné J;Ribeiro H;García-Cassani B;Carvalho T;Bouchery T;Shah K;Barbosa-Morais NL;Harris N;Veiga-Fernandes H

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第2组先天淋巴样细胞(ILC 2)调节炎症,组织修复和代谢稳态。ILC 2活化由宿主来源的细胞因子和警报素驱动。虽然离散的免疫细胞亚群整合了神经系统的信号,但仍不清楚神经源性信号是否控制ILC 2。在这里,我们表明,神经介肽U(NMU)是一种独特的快速和有效的调节2型先天免疫的背景下,一个新的神经元ILC 2单位。我们发现ILC 2选择性表达神经介肽U受体1(Nmur 1),而粘膜神经元表达NMU。ILC 2-自主激活与NMU导致立即和强烈的生产先天性炎症和组织修复细胞因子,在一个NMUR 1依赖性的方式。NMU控制细胞外信号调节激酶(ERK)下游的ILC 2和钙(Ca 2+)-流入依赖性激活钙调磷酸酶和活化T细胞核因子(NFAT)。体内NMU治疗导致立即保护性2型应答。因此,ILC 2自主消融Nmur 1导致受损的2型反应和较差的蠕虫感染控制。引人注目的是,粘膜神经元被发现邻近ILC 2,直接感知蠕虫产物和alarmins以诱导NMU并控制先天性2型细胞因子。我们的工作表明,神经元ILC 2细胞单位准备通过协调的神经免疫感觉反应提供第一线的立即组织保护。
Group 2 innate lymphoid cells (ILC2s) regulate inflammation, tissue repair and metabolic homeostasis. ILC2 activation is driven by host-derived cytokines and alarmins. While discrete immune cell subsets integrate nervous system cues, it remains unclear whether neuronal-derived signals control ILC2s. Here we show that Neuromedin U (NMU) is a uniquely fast and potent regulator of type 2 innate immunity in the context of a novel neuron-ILC2 unit. We found that ILC2s selectively express Neuromedin U receptor 1 (Nmur1), while mucosal neurons express NMU. ILC2-autonomous activation with NMU resulted in immediate and strong production of innate inflammatory and tissue repair cytokines, in a NMUR1-dependent manner. NMU controlled ILC2s downstream of extracellular signal–regulated kinase (ERK) and calcium (Ca2+)-influx-dependent activation of Calcineurin and nuclear factor of activated T cells (NFAT). NMU treatment in vivo resulted in immediate protective type 2 responses. Accordingly, ILC2-autonomous ablation of Nmur1 led to impaired type 2 responses and poor worm infection control. Strikingly, mucosal neurons were found adjacent to ILC2s, directly sensed worm products and alarmins to induce NMU and to control innate type 2 cytokines. Our work reveals that neuron-ILC2 cell units are poised to confer a first-line of immediate tissue protection via coordinated neuro-immune sensory responses.
DOI: 10.1038/nmeth.3252
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发表时间: 2012-07-31
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影响因子: 7.3
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DOI: 10.1016/0306-4522(88)90037-1
发表时间: 1988-06-01
期刊: NEUROSCIENCE
影响因子: 3.3
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