Resolvin T-series reduce neutrophil extracellular traps.

Resolvin T-series reduce neutrophil extracellular traps.
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DOI:
10.1182/blood.2021013422
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发表时间:
2022-02-24
期刊:
影响因子:
20.3
通讯作者:
Serhan CN
Serhan CN
中科院分区:
医学1区
文献类型:
--
作者:
Chiang N;Sakuma M;Rodriguez AR;Spur BW;Irimia D;Serhan CN

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新鉴定的13系列(T系列)消退素(RvTs)调节吞噬细胞功能并加速感染性炎症的消退。由于严重急性呼吸综合征冠状病毒2诱发涉及中性粒细胞胞外陷阱(NET)的不受控制的炎症,我们测试了立体化学定义的RvTs是否调节NET的形成。使用捕获佛波醇12-肉豆蔻酸酯13-乙酸酯刺激的人全血中的NET的微流体装置,RvT(RvT 1-RvT 4;各2.5 nM)有效地减少NET。使用白细胞介素-1 β刺激的人中性粒细胞,与已知的NETosis抑制剂(10 μM)相比,每种RvT剂量和时间依赖性地降低NETosis,在10 nM时产生> 50%的效力。在鼠金黄色葡萄球菌感染中,RvT(各50 ng)限制中性粒细胞浸润、细菌滴度和NET。此外,每种RvT都能增强人巨噬细胞的NET摄取; RvT 2是四种RvT中最有效的,NET吞噬作用增加>50%。作为细胞内信号传导机制的一部分,RvT 2增加了人巨噬细胞内的环磷酸腺苷和磷酸-AMP-激活的蛋白激酶(AMPK),并且RvT 2刺激的NET摄取被蛋白激酶A和AMPK抑制所消除。RvT 2还刺激体内小鼠巨噬细胞的NET清除。总之,这些结果为RvTs的新的促消退功能提供了证据,即通过环腺苷一磷酸-蛋白激酶A-AMPK轴减少NETosis和增强巨噬细胞NET清除。因此,RvTs打开了在感染期间调节NET介导的附带组织损伤以及监测NET的机会。使用新型微流体NET捕获装置,RvT减少人全血和鼠金黄色葡萄球菌感染中的NET。RvTs增强巨噬细胞NET清除,为感染和凝血病提供了新的解决机制。
The newly identified 13-series (T-series) resolvins (RvTs) regulate phagocyte functions and accelerate resolution of infectious inflammation. Because severe acute respiratory syndrome coronavirus 2 elicits uncontrolled inflammation involving neutrophil extracellular traps (NETs), we tested whether stereochemically defined RvTs regulate NET formation. Using microfluidic devices capturing NETs in phorbol 12-myristate 13-acetate–stimulated human whole blood, the RvTs (RvT1-RvT4; 2.5 nM each) potently reduced NETs. With interleukin-1β–stimulated human neutrophils, each RvT dose and time dependently decreased NETosis, conveying ∼50% potencies at 10 nM, compared with a known NETosis inhibitor (10 μM). In a murine Staphylococcus aureus infection, RvTs (50 ng each) limited neutrophil infiltration, bacterial titers, and NETs. In addition, each RvT enhanced NET uptake by human macrophages; RvT2 was the most potent of the four RvTs, giving a >50% increase in NET-phagocytosis. As part of the intracellular signaling mechanism, RvT2 increased cyclic adenosine monophosphate and phospho–AMP-activated protein kinase (AMPK) within human macrophages, and RvT2-stimulated NET uptake was abolished by protein kinase A and AMPK inhibition. RvT2 also stimulated NET clearance by mouse macrophages in vivo. Together, these results provide evidence for novel pro-resolving functions of RvTs, namely reducing NETosis and enhancing macrophage NET clearance via a cyclic adenosine monophosphate–protein kinase A–AMPK axis. Thus, RvTs open opportunities for regulating NET-mediated collateral tissue damage during infection as well as monitoring NETs. RvTs reduce NETs in human whole blood and murine S aureus infections using novel microfluidic NET-capturing devices. RvTs enhance macrophage NET clearance, offering a new resolution mechanism for infections and coagulopathies.
DOI: 10.1126/science.aao4227
发表时间: 2018-09-28
期刊: Science (New York, N.Y.)
影响因子: --
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发表时间: 2017-12-19
影响因子: 5.5
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DOI: 10.1084/jem.20210590
发表时间: 2021-06-07
期刊: The Journal of experimental medicine
影响因子: --
作者:
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发表时间: 2020-07-09
影响因子: 158.5
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