氧化苦参碱体外抗乙型肝炎病毒作用

被引:57
作者
任衍菊 [1 ]
张玉萍 [1 ]
金敏 [2 ]
陈照立 [2 ]
谌志强 [2 ]
邱志刚 [2 ]
王新为 [2 ]
李君文 [2 ]
机构
[1] 天津中医药大学
[2] 军事医学科学院卫生学环境医学研究所
关键词
氧化苦参碱; 乙型肝炎病毒; HepG2.2.15细胞;
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:体外观察氧化苦参碱(OM)抗乙型肝炎病毒(HBV)作用,并初步探讨其作用机制。方法:用125,250,500,1 000,2 000 mg.L-1OM连续作用于90%汇合度的HepG2.2.15细胞9 d,以MTT比色法观察药物细胞毒性;用酶联免疫法测定细胞上清液中乙型肝炎病毒e抗原(HBeAg),乙型肝炎病毒s抗原(HBsAg);采用荧光定量PCR法(FQ-PCR)测定细胞上清液中HBV DNA,细胞中HBV DNA和共价闭合环状DNA(cccDNA)。结果:OM对细胞内HBV DNA和cccDNA,以及细胞外HBV DNA均有抑制作用,随着浓度升高抑制作用加强,2 000 mg.L-1OM对细胞内HBV DNA,cccDNA和细胞外HBV DNA的抑制率分别为64.56%,52.12%,54.25%;对HBsAg和HBeAg的分泌也有抑制作用,且浓度越高、处理时间越长,抑制作用越明显;在相同条件下对HBsAg的抑制作用强于HBeAg,OM浓度为2 000 mg.L-1时对HBsAg和HBeAg的抑制率分别为51.59%,17.88%。结论:OM能有效抑制HepG2.2.15细胞中HBV复制,该作用是抑制病毒核酸复制和基因表达的结果。
引用
收藏
页码:175 / 179
页数:5
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