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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Peroxyauraptenol Inhibits Inflammation and NLRP3 Inflammasome Activation by Inhibiting Reactive Oxygen Species Generation and Preserving Mitochondrial Integrity
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Peroxyauraptenol Inhibits Inflammation and NLRP3 Inflammasome Activation by Inhibiting Reactive Oxygen Species Generation and Preserving Mitochondrial Integrity

机译:过氧番茄红素通过抑制活性氧的产生并保持线粒体的完整性来抑制炎症和NLRP3炎性体的激活

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摘要

Peroxyauraptenol (PXT) is a peroxide-containing coumarin compound isolated from the seeds of Cnidium monnieri. PXT exerts anti-inflammatory activities, as it reduces the levels of inducible nitric oxide synthase, nitric oxide, IL-6, and NLRP3 inflammasome-derived IL-1 beta in lipopolysaccharide-activated macrophages. PXT also exerts anti-inflammatory activity by reducing reactive oxygen species generation (including mitochondrial), mitogen-activated protein kinase, protein kinase C-a/d phosphorylation, and the release of mitochondrial DNA into the cytosol. In addition, PXT suppresses the phagocytic activity of macrophages and IL-1 beta secretion by Klebsiella pneumoniae-infected macrophages. The unique peroxide group is important for the anti-inflammatory activity of PXT, as this activity is reduced when the peroxide group is replaced by a hydroxyl group. These findings suggest that PXT may be a candidate for the development of anti-inflammatory agents or a healthy supplement for preventing and ameliorating inflammation-related diseases.
机译:过氧番茄红素(PXT)是一种从Cnidium monnieri种子中分离出来的含过氧化物香豆素化合物。 PXT具有抗炎活性,因为它降低了脂多糖激活的巨噬细胞中可诱导的一氧化氮合酶,一氧化氮,IL-6和NLRP3炎性小体来源的IL-1β的水平。 PXT还通过减少活性氧的产生(包括线粒体),促分裂原活化的蛋白激酶,蛋白激酶C-a / d磷酸化以及线粒体DNA释放到细胞质中来发挥抗炎活性。此外,PXT抑制了肺炎克雷伯菌感染的巨噬细胞的巨噬细胞吞噬活性和IL-1β分泌。独特的过氧化物基团对PXT的抗炎活性很重要,因为当过氧化物基团被羟基取代时,该活性会降低。这些发现表明,PXT可能是开发抗炎药或预防和改善炎症相关疾病的健康补品的候选药物。

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