罗格列酮通过降低IL-17减轻LPS诱导的新生大鼠急性肺损伤

被引：5

作者：

罗艳

李清香

杨洁

雷贤明

曹云涛

机构：

[1] 遵义医科大学附属医院新生儿科

来源：

免疫学杂志 | 2019年 / 35卷 / 12期

关键词：

肺损伤; 脂多糖; SD新生大鼠;

D O I：

暂无

中图分类号：

R965 [实验药理学];

学科分类号：

100706 [药理学];

摘要：

目的探讨罗格列酮(rosiglitazone,RGZ)对脂多糖(lipopolysaccharide LPS)诱导的新生大鼠急性肺损伤气道炎症的影响及其机制。方法清洁级SD新生大鼠随机分为对照组、LPS组及罗格列酮干预组。LPS组鼻腔中滴入LPS的剂量为4 mg/kg,对照组给予等量生理盐水,罗格列酮干预组鼻腔中滴入LPS(剂量同前)1 h后腹腔内注射罗格列酮(2 mg/kg);对照组和LPS组鼻腔滴入等量LPS或生理盐水1 h后腹腔注射等量生理盐水。各组新生鼠分别于6、12、24 h被处死,然后评估肺组织的病理评分、湿/干质量比值(W/D)、支气管肺泡灌洗液(BALF)中多形核白细胞(PMN)计数,并检测BALF中的IL-17水平。结果与对照组相比,不同时间点LPS组的肺组织炎症病理评分、W/D、BALF中的PMN值及IL-17水平均升高(P<0.05),而罗格列酮干预组肺组织炎症病理评分、W/D、BALF中的PMN值及IL-17水平在不同时间点均较LPS组降低(P<0.05)。结论罗格列酮可显著减轻LPS诱导的新生鼠肺部炎症,其机制可能与其抑制IL-17分泌相关。

引用

页码：1074 / 1080

页数：7

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