清热卡森颗粒对肝内胆汁淤积大鼠模型的治疗作用及机制研究

被引:9
作者
李国栋 [1 ]
杨金玉 [1 ]
马小华 [2 ]
兰露露 [1 ]
尹海龙 [3 ]
张鹏 [3 ]
张程亮 [1 ]
尹强 [3 ]
刘东 [1 ]
机构
[1] 华中科技大学同济医学院附属同济医院药学部
[2] 新疆维吾尔自治区药品审评查验中心
[3] 新疆维吾尔药业有限责任公司
关键词
清热卡森颗粒; 胆汁淤积; 肝损伤; α-萘异硫氰酸酯; 法尼醇X受体; 核因子E2相关因子2;
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 探究清热卡森颗粒对α-萘异硫氰酸酯(ANIT)诱导的肝内胆汁淤积性肝损伤模型大鼠的保护作用及机制。方法 将SPF级雄性SD大鼠36只随机分为正常对照组,模型对照组,清热卡森颗粒低、中、高剂量组(1 g·kg-1,2 g·kg-1,和4g·kg-1)以及阳性对照组(熊去氧胆酸,UDCA,60 mg·kg-1),每组6只。清热卡森颗粒各治疗组和阳性对照组分别预防性灌胃给药,连续5天,实验第3天采用ANIT(60 mg·kg-1)灌胃构建急性肝内胆汁淤积模型,正常对照组给予等量橄榄油。实验第6天,大鼠腹主动脉取血,检测血浆中天门冬氨酸氨基转移酶(AST)、丙氨酸氨基转移酶(ALT)、碱性磷酸酶(ALP)、胆汁酸(TBA)、还原型谷胱甘肽(GSH)、丙二醛(MDA)、超氧化物歧化酶(SOD);收集胆汁,计算胆汁流量;取肝脏,称肝重,计算肝重比;观察肝脏组织病理学变化;Western blot法检测肝脏核受体法尼醇X受体(FXR)和胆汁酸合成酶、转运体以及氧化应激通路核因子E2相关因子2(Nrf2)及下游调控蛋白表达的变化。结果 清热卡森颗粒能改善胆汁淤积大鼠的肝重比、胆汁流量水平和病理损伤情况,恢复血浆中AST,ALT,ALP,TBA,MDA的含量水平(P<0.05);上调FXR,BSEP,MRP2,NRF2,GCLM,HO-1蛋白表达(P<0.05),下调NTCP,CYP7A1,CYP8B1蛋白表达(P<0.05)。结论 清热卡森颗粒可以缓解ANIT诱导的肝内胆汁淤积性肝损伤,其作用机制可能与调控FXR信号通路介导的胆汁酸平衡以及NRF2信号通路介导的抗氧化应激作用有关。
引用
收藏
页码:4038 / 4046
页数:9
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