疏风解毒胶囊对于内毒素诱导大鼠急性肺损伤模型中MAPK/NF-κB通路的抑制作用

被引:30
作者
陶振钢 [1 ]
高静炎 [2 ]
薛明明 [1 ]
杨伟强 [3 ]
张亚平 [1 ]
沈洪 [1 ]
童朝阳 [1 ]
袁颖 [1 ]
机构
[1] 复旦大学附属中山医院
[2] 复旦大学医学院
[3] 上海交通大学医学院附属仁济医院
关键词
疏风解毒胶囊; 急性肺损伤; 内毒素; MAPK/NF-κB通路;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
100806 [中药药理学];
摘要
目的:观察疏风解毒胶囊对内毒素(LPS)致大鼠肺损伤的保护作用,并探讨其对于MAPK/NF-κB Signaling通路的影响。方法:以腹腔注入LPS 10mg/kg制备成急性肺损伤模型,疏风解毒胶囊治疗组每天灌胃给药疏风解毒胶囊100mg/kg,观察第1、3、5、7天各组的血气分析、乳酸、肺组织HE染色病理学观察、肺组织白细胞介素-1β(IL-1β)、肿瘤坏死因子-α(TNF-α)免疫荧光标记后激光共聚焦显影、IL-1β、P-选择素、转化生长因子β(TGF-β)、角质细胞的趋化因子(KC)、激活蛋白Ap-1(C-Jun/AP-1)浓度、核因子-κB(NF-κB)的mRNA表达水平的影响。结果:疏风解毒胶囊治疗组可明显缓解LPS诱导大鼠急性肺损伤的血气低氧及乳酸升高,其肺组织病理炎性渗出程度较轻。疏风解毒胶囊治疗组大鼠肺组织的IL-1β、TNF-α、P-选择素、TGF-β、KC、C-Jun/AP-1水平较LPS模型组有明显下降(P<0.05),其肺组织NF-κB mRNA表达明显低于LPS模型组(P<0.05)。结论:疏风解毒胶囊可抑制LPS诱导的炎性反应,减轻内毒素导致的肺损伤反应;其对于炎性反应的抑制机制可能与抑制MAPK/NF-κB Signaling通路、下调NF-κB mRNA的表达有关。
引用
收藏
页码:911 / 915
页数:5
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