摘要来源: oncotarget。 2017年3月21日; 8(12):18935-18942。 PMID: 28039487> 28039487 Yang,Yi-huan dong,li-hua Zhou li-peng Zhang 背景: 急性呼吸窘迫综合征(ARDS)是由肺部和/或外部因素引起的。在这项研究中,我们研究了脂多糖(LPS)在大鼠中诱导的ARDS中的glabridin的保护机制。
结果:30 mg/kg的LPS诱导的肺含量降低,并减轻了明显的肺组织病理学变化。 TNF-α和IL-18的表达被血浆中的GLA抑制。在用GLA管理的组中,SPA,MDA和NO的水疗水平显着下调。 GLA给药后的SOD水平升高。 Additionally, the attenuation of inflammatory responses by GLA was closely associated withp38MAPK/ERK pathway, and the expressions of protein p-p38MAPK and pERK were inhibited by GLA in LPS-induced ARDS rats.
MATERIALS AND METHODS: Sixty-four Wistar rats were randomly分为对照组,单独的Glabridin(GLA)组,LPS组(6 H,12 h,24 h),GLA,具有LPS组(6 H,12 H,12 H,24 H)。通过腹膜内施用LP(10 mg/kg),在大鼠中诱导了ARDS。通过计算湿/干重比评估肺水肿程度。炎症介质,肿瘤坏死的水平FA通过酶联免疫吸附测定法(ELISA)测定CTOR-α(TNF-α)和白介素-18(IL-18)。分析了表面活性剂蛋白A(SPA),丙二醛(MDA),一氧化氮(NO)和超氧化物歧化酶(SOD)。通过H&E染色观察到肺组织的病理变化。使用免疫组织化学技术检测到p38MAPK和ERK的蛋白质表达。 Lung phosphorylated p38MAPK (p-p38MAPK) and pERK protein expression changes were detected by Western blotting.
CONCLUSIONS: Glabridin significantly ameliorated the lung injury induced by LPS in rats via the inhibition of p38MAPK and ERK signaling途径,抗氧化作用和减少炎症。