Changes in lung immune cell infiltrates after electric field treatment in mice.

Changes in lung immune cell infiltrates after electric field treatment in mice.
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电场处理后小鼠肺免疫细胞浸润的变化。

DOI:
10.1038/s41598-021-81174-y
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发表时间:
2021-01-14
期刊:
影响因子:
4.6
通讯作者:
Chapman TJ
Chapman TJ
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Eliseeva SI;Knowlden ZA;Lester GM;Dean DA;Georas SN;Chapman TJ

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外源电场目前在多种情况下用于人体治疗。有趣的是,电场也被证明可以改变免疫细胞的迁移和功能,这表明基于电场的免疫治疗的潜力。关于电场治疗 (EFT) 对肺部的影响知之甚少。为了确定 EFT 是否与肺免疫细胞浸润的变化相关,我们使用了具有不同 EFT 应用方法的小鼠模型,并使用流式细胞术和细胞因子/趋化因子多重测量了细胞和可溶性介质。 EFT 与治疗 2 小时内初始小鼠肺中性粒细胞的短暂增加和嗜酸性粒细胞的减少有关,并伴有 IL-6 水平的增加。为了测试 EFT 是否可以改变相关疾病模型中嗜酸性粒细胞/中性粒细胞的募集,使用了过敏性气道炎症的小鼠模型。过敏原致敏小鼠接受四次 EFT 治疗后,过敏原激发后中性粒细胞增多,嗜酸性粒细胞浸润减少,这表明 EFT 对炎症产生了持久的改变。通过 flexiVent 分析患有过敏性炎症的小鼠,以测量肺功能。经过 EFT 治疗的小鼠呼吸能力有所增加,而其他肺功能指标并未减弱。这些数据表明 EFT 可用于操纵肺部的免疫细胞浸润而不影响肺功能。
Exogenous electric fields are currently used in human therapy in a number of contexts. Interestingly, electric fields have also been shown to alter migration and function of immune cells, suggesting the potential for electric field-based immune therapy. Little is known as to the effect of electric field treatment (EFT) on the lung. To determine if EFT associates with changes in lung immune cell infiltration, we used a mouse model with varying methods of EFT application and measured cells and soluble mediators using flow cytometry and cytokine/chemokine multiplex. EFT was associated with a transient increase in lung neutrophils and decrease in eosinophils in naïve mice within 2 h of treatment, accompanied by an increase in IL-6 levels. In order to test whether EFT could alter eosinophil/neutrophil recruitment in a relevant disease model, a mouse model of allergic airway inflammation was used. Four EFT doses in allergen-sensitized mice resulted in increased neutrophil and reduced eosinophil infiltrates following allergen challenge, suggesting a durable change in inflammation by EFT. Mice with allergic inflammation were analyzed by flexiVent for measures of lung function. EFT-treated mice had increased inspiratory capacity and other measures of lung function were not diminished. These data suggest EFT may be used to manipulate immune cell infiltration in the lung without affecting lung function.
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