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首页> 外文期刊>International immunopharmacology >Callicarpa japonica Thunb. reduces inflammatory responses: A mouse model of lipopolysaccharide-induced acute lung injury
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Callicarpa japonica Thunb. reduces inflammatory responses: A mouse model of lipopolysaccharide-induced acute lung injury

机译:Callicarpa japonica Thunb。减少炎症反应:脂多糖诱导的急性肺损伤的小鼠模型

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摘要

Callicarpa japonica Thunb. (CJT) is traditionally used as an herbal remedy for the treatment of inflammatory diseases. This study aimed to investigate the anti-inflammatory response of CJT in lipopolysaccharide (LPS)-stimulated RAW264.7 cells and LPS-induced acute lung injury (ALL) in mice. The C57BL/6 mice were administered 30 mg/kg of CJT by oral gavage for 3 days. LPS is applied to animals by intranasal administration 1 h after final CJT treatment. LPS is applied to animals by intranasal administration 1 h after final CJT treatment LPS was delivered intranasally 1 h after the final CJT treatment In the LPS-stimulated RAW264.7 cells, CJT significantly decreased nitric oxide (NO) and interleukin (IL)-6 in a concentration-dependent manner by reducing inducible NO synthase (iNOS) and IL-6 mRNA levels. In the ALI model, CJT decreased the inflammatory cell count in the bronchoalveolar lavage fluid (BALF) while IL-6 levels were reduced in CJT-treated mice compared with the ALI control mice. CJT also inhibited airway inflammation by reducing iNOS expression in lung tissue. In conclusion, our results indicate that CJT inhibits inflammatory responses in LPS-stimulated RAW264.7 cells and in the LPS-induced ALI model. Therefore, we suggest that CJT has the potential to treat inflammatory diseases such as pneumonia. (c) 2015 Elsevier B.V. All rights reserved.
机译:Callicarpa japonica Thunb。 (CJT)传统上用作治疗炎症性疾病的草药。本研究旨在研究脂多糖(LPS)刺激的RAW264.7细胞和脂多糖诱导的小鼠急性肺损伤(ALL)中CJT的抗炎反应。通过口服管饲法向C57BL / 6小鼠施用30mg / kg的CJT,持续3天。在最终CJT治疗后1小时,通过鼻内给药将LPS应用于动物。在最终CJT治疗后1小时通过鼻内给药将LPS应用于动物在最终CJT治疗后1小时将LPS鼻内给药在LPS刺激的RAW264.7细胞中,CJT显着降低了一氧化氮(NO)和白介素(IL)-6通过降低诱导型一氧化氮合酶(iNOS)和IL-6 mRNA的水平,以浓度依赖性的方式。在ALI模型中,与ALI对照小鼠相比,CJT减少了CJT治疗小鼠的支气管肺泡灌洗液(BALF)中的炎症细胞计数,而IL-6水平却降低了。 CJT还通过减少肺组织中的iNOS表达来抑制气道炎症。总之,我们的结果表明CJT抑制LPS刺激的RAW264.7细胞和LPS诱导的ALI模型中的炎症反应。因此,我们认为CJT具有治疗诸如肺炎等炎症性疾病的潜力。 (c)2015 Elsevier B.V.保留所有权利。

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