藁苯内酯对GABA_A受体的激动作用
Effect of Z-ligustilide on GABA_A receptor in vitro and in vivo
作者:王宇;赖鹏;李永杰;杜俊蓉;
Author:
收稿日期: 年卷(期)页码:2014,29(02):-152-154
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:藁苯内酯(LIG);GABAA受体;神经保护
Key words:
基金项目:国家自然科学基金资助项目(批准号:81072636)
中文摘要
目的研究藁苯内酯(LIG)在体内外对GABAA受体的作用。方法体外实验中,用3H氟硝西泮作为放射性标记物,用放射性配体受体结合实验测定LIG对GABAA受体的结合能力;体内实验中,以皮下注射戊四唑90 mg·kg-1致小鼠惊厥为病理模型,用LIG(20、40 mg·kg-1)或地西泮(10 mg·kg-1)提前30 min于腹腔给药进行干预,60 min内观察动物的行为。结果 LIG对GABAA受体的苯二氮类结合位点有较高的亲和力,IC50为170 nmol·L-1;LIG能明显延长惊厥发生的潜伏期(P
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