CD200-CD200R immune checkpoint engagement regulates ILC2 effector function and ameliorates lung inflammation in asthma.

CD200-CD200R immune checkpoint engagement regulates ILC2 effector function and ameliorates lung inflammation in asthma.
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CD200-CD200R免疫检查点参与调节ILC2效应器功能并改善哮喘患者的肺部炎症。

DOI:
10.1038/s41467-021-22832-7
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发表时间:
2021-05-05
影响因子:
16.6
通讯作者:
Akbari O
Akbari O
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Shafiei-Jahani P;Helou DG;Hurrell BP;Howard E;Quach C;Painter JD;Galle-Treger L;Li M;Loh YE;Akbari O

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哮喘和呼吸道高反应性(AHR)的患病率正在以惊人的速度增加。第二组先天淋巴样细胞(ILC2s)分泌大量的2型细胞因子,导致AHR和肺部炎症。在这里,我们证明了小鼠ILC2表达CD200受体(CD200R),并且这种表达是可诱导的。CD200R参与抑制细胞的活化、增殖和2型细胞因子的产生,提示CD200-CD200R对ILC2的CD200-CD200R轴具有免疫调节作用。此外,CD200R的参与抑制了激活的ILC2中的典型和非典型的NF-κB信号通路。此外,我们利用CD200R在ILC2上的参与展示了预防和治疗方法,这导致了改善气道阻力、动态顺应性和嗜酸性粒细胞增多。这些结果表明CD200R在人ILC2上表达,它的参与改善了人源化小鼠模型的AHR,强调了翻译应用于ILC2相关疾病的治疗,如过敏性哮喘。CD200-CD200R轴在调节肺部炎症中的作用尚不完全清楚。在这里,作者表明CD200R表达在2型固有淋巴样细胞(ILC2)上,它与CD200的结合通过抑制NF-κB信号来改善气道高反应性和过敏性哮喘。
The prevalence of asthma and airway hyperreactivity (AHR) is increasing at an alarming rate. Group 2 innate lymphoid cells (ILC2s) are copious producers of type 2 cytokines, which leads to AHR and lung inflammation. Here, we show that mouse ILC2s express CD200 receptor (CD200R) and this expression is inducible. CD200R engagement inhibits activation, proliferation and type 2 cytokine production, indicating an immunoregulatory function for the CD200–CD200R axis on ILC2s. Furthermore, CD200R engagement inhibits both canonical and non-canonical NF-κB signaling pathways in activated ILC2s. Additionally, we demonstrate both preventative and therapeutic approaches utilizing CD200R engagement on ILC2s, which lead to improved airway resistance, dynamic compliance and eosinophilia. These results show CD200R is expressed on human ILC2s, and its engagement ameliorates AHR in humanized mouse models, emphasizing the translational applications for treatment of ILC2-related diseases such as allergic asthma. The role of the CD200–CD200R axis in regulating pulmonary inflammation is not completely understood. Here the authors show CD200R is expressed on type 2 innate lymphoid cells (ILC2s), and its engagement by CD200 ameliorates airway hyperreactivity and allergic asthma via inhibition of NF-κB signaling.
DOI: 10.1038/ncomms13202
发表时间: 2016-10-18
影响因子: 16.6
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Galle-Treger, Lauriane;Suzuki, Yuzo;Patel, Nisheel;Sankaranarayanan, Ishwarya;Aron, Jennifer L.;Maazi, Hadi;Chen, Lin;Akbari, Omid
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期刊: The Journal of allergy and clinical immunology
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发表时间: 2020-04-15
影响因子: 16.6
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