加味逍遥散对抑郁大鼠行为学及海马组织炎症因子表达的影响

被引:18
作者
于林 [1 ]
禤正正 [2 ]
吴升伟 [1 ]
伍远菲 [1 ]
吴宝烽 [1 ]
徐琰 [1 ]
丁国安 [1 ]
机构
[1] 广州市惠爱医院
[2] 广东省中医院
基金
广东省自然科学基金;
关键词
抑郁症; 加味逍遥散; 脂多糖(LPS); 行为学; 炎症因子; 5-羟色胺(5-HT); 动物实验; 大鼠;
D O I
10.13457/j.cnki.jncm.2017.07.003
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:观察加味逍遥散对抑郁大鼠行为学及海马组织炎症因子表达的影响,探讨其可能的作用机制。方法:将60只SD大鼠随机分为空白组、模型组、氟西汀组、加味逍遥散低、中、高剂量组,每组10只。除空白组外,其余各组均腹腔注射LPS建立抑郁大鼠模型。氟西汀组每天灌胃盐酸氟西汀1.54 mg/(kg·d),加味逍遥散低、中、高各剂量组每天分别灌胃加味逍遥散2.5 g/(kg·d)、5 g/(kg·d)、10 g/(kg·d),空白组及模型组灌胃等体积生理盐水。通过旷场实验及强迫游泳实验观察大鼠行为学的变化,采用高效液相-质谱联用(HPLC-MS/MS)技术检测海马组织中5-羟色胺(5-HT)含量,实时荧光定量PCR(RT-PCR)检测海马组织IL-1βm RNA、IL-6 m RNA、TNF-αm RNA表达水平。结果:与空白组比较,模型组大鼠的起立数、穿格数、修饰数均明显减少,强迫游泳不动时间延长,海马组织5-HT浓度显著降低,而IL-1βm RNA、IL-6 m RNA、TNF-αm RNA表达显著升高,差异均有统计学意义(P<0.01)。与模型组比较,氟西汀组、加味逍遥散高剂量组大鼠起立数、穿格数、修饰数显著增加,强迫游泳不动时间缩短,海马组织5-HT浓度显著升高,而IL-1βm RNA、IL-6 m RNA、TNF-αm RNA表达量明显降低,差异均有统计学意义(P<0.05,P<0.01)。结论:加味逍遥散对LPS诱导抑郁模型大鼠具有明显抗抑郁作用,通过抑制IL-1βm RNA、IL-6m RNA、TNF-αm RNA的过度表达,增加大鼠海马组织5-HT的含量来改善大鼠抑郁症状。
引用
收藏
页码:9 / 13
页数:5
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