地昔帕明对小鼠内毒素急性肺损伤的影响

被引:14
作者
王乐 [1 ,2 ]
刘伟 [1 ]
廖琳玲 [1 ,2 ]
刘文礼 [1 ]
许建平 [1 ]
汉建忠 [1 ]
刘惠君 [1 ]
罗自强 [1 ]
机构
[1] 中南大学湘雅医学院生理学系
[2] 邵阳医学高等专科学校
关键词
地昔帕明; 内毒素; 急性肺损伤; 肿瘤坏子因子-α; 中性粒细胞; 氧自由基;
D O I
暂无
中图分类号
R965.3 [药物的安全试验];
学科分类号
100706 [药理学];
摘要
目的探讨地昔帕明(DP)对脂多糖(LPS)引起的急性肺损伤的作用并初步探讨其作用机制。方法昆明种小鼠随机分为生理盐水对照组(NS组)、地昔帕明对照组(DP组)、模型组(LPS组)及地昔帕明处理组(DP+LPS组)。腹腔注射LPS建立小鼠急性肺损伤模型。造模6h后测定肺湿/干重比值(W/D)、肺泡灌洗液(BALF)中白细胞数和蛋白含量、肺组织匀浆中髓过氧化物酶(MPO)活性和丙二醛(MDA)水平,同时用ELISA法检测肺匀浆中肿瘤坏死因子-α(TNF-α)含量。结果LPS可提高小鼠肺W/D、BALF中白细胞数和蛋白含量、肺匀浆MPO活性、MDA和TNF-α含量(P<0.01),DP处理组可有效减轻LPS所引起的上述变化(P<0.05)。结论DP对LPS导致的小鼠急性肺损伤有保护作用,其保护机制可能与抑制肺TNF-α的产生,进而减轻中性粒细胞的肺部扣押和肺组织脂质过氧化损伤的程度有关。
引用
收藏
页码:63 / 66
页数:4
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