首页> 外文期刊>Journal of biochemical and molecular toxicology >Emodin Attenuates Cigarette Smoke Induced Lung Injury in a Mouse Model via Suppression of Reactive Oxygen Species Production
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Emodin Attenuates Cigarette Smoke Induced Lung Injury in a Mouse Model via Suppression of Reactive Oxygen Species Production

机译:大黄素通过抑制活性氧的产生减轻小鼠模型中香烟烟雾引起的肺损伤。

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Emodin has antioxidative activities. Here, weinvestigated the effects of emodin on cigarette smoke (CS)-induced acute lung inflammation. Mice (C57BL/6) were exposed to CS. Emodin was administrated with intraperitoneal bolus injection of emodin (20 or 40 mg/kg) daily 1 h before CS exposure. Emodin inhibited CS-induced inflammatory cells infiltration in mouse lungs, especially at 40 mg/kg. Moreover, emodin resulted in significant reductions in total bronchoalveolar lavage fluid (BALF) cells, as compared with air exposure control, coupled with decreases in BALF cytokines. The activities of superoxide dismutase, catalase, and glutathione peroxidase were remarkably enhanced by emodin in CS-exposed mice. Emodin enhanced CS-induced expression of heme oxygenase-1 and nuclear factor-erythroid 2-related factor-2 (both are antioxidative genes) at both mRNA and protein levels, and profoundly promoted their activities in CS-treated mice. Collectively, our results suggested that emodin protects mouse lung from CS-induced lung inflammation and oxidative damage, most likely through its antioxidant activity. (C) 2015 Wiley Periodicals, Inc.
机译:大黄素具有抗氧化活性。在这里,我们调查了大黄素对香烟烟雾(CS)诱导的急性肺部炎症的影响。将小鼠(C57BL / 6)暴露于CS。大黄素在CS暴露前1小时每天腹腔推注大黄素(20或40 mg / kg)。大黄素抑制小鼠肺中CS诱导的炎症细胞浸润,尤其是在40 mg / kg时。此外,与暴露于空气的对照相比,大黄素导致总支气管肺泡灌洗液(BALF)细胞显着减少,同时BALF细胞因子减少。大黄素在暴露于CS的小鼠体内显着增强了超氧化物歧化酶,过氧化氢酶和谷胱甘肽过氧化物酶的活性。大黄素在mRNA和蛋白水平上均能增强CS诱导的血红素加氧酶-1和核因子-类胡萝卜素2相关因子-2(均为抗氧化基因)的表达,并显着促进其在CS处理小鼠中的活性。总体而言,我们的结果表明,大黄素最有可能通过其抗氧化活性来保护小鼠肺免受CS诱导的肺部炎症和氧化损伤。 (C)2015威利期刊公司

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