芪龙头痛颗粒镇痛作用实验研究

被引:5
作者
吴小芳 [1 ]
黄怀 [2 ]
张梅奎 [3 ]
机构
[1] 湖南中医药大学
[2] 深圳致君制药有限公司
[3] 中国人民解放军总医院
关键词
芪龙头痛颗粒; 偏头痛; 镇痛; 降钙素基因相关肽; β-内啡肽; 动物模型;
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
目的观察芪龙头痛颗粒的镇痛作用,探讨其治疗偏头痛的作用机制。方法昆明种小鼠随机分为空白组、正天丸组、布洛芬组及芪龙头痛颗粒高、中、低剂量组。灌胃3 d后,采用热板法和醋酸扭体法评估芪龙头痛颗粒的镇痛作用。SD大鼠随机分为空白组、正天丸组、模型组、曲普坦组及芪龙头痛颗粒高、中、低剂量组。连续灌胃7 d后,腹腔注射硝酸甘油(10 mg/kg),4 h后,下腔静脉采血检测血浆降钙素基因相关肽(CGRP)和β-内啡肽(β-EP)水平。然后经心脏灌流,获取含有三叉神经脊束核尾段(Sp5C)的脑组织,采用免疫组化方法检测Fos蛋白表达。结果芪龙头痛颗粒可显著提高小鼠的痛阈值,减少醋酸扭体反应次数;显著下调模型大鼠血浆CGRP水平,上调血浆β-EP水平,抑制Sp5C的Fos蛋白表达。结论芪龙头痛颗粒具有良好的镇痛作用,其治疗偏头痛的机制可能是通过调节神经递质或神经肽水平及抑制Fos通路的活化发挥作用。
引用
收藏
页码:63 / 66
页数:4
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