帕罗西汀抗抑郁作用涉及改善氧化应激状态、HPA轴功能和海马脑源性神经营养因子表达

被引：29

作者：

费慧芝

王涵

胡小娅

李娜

文威

颜陶

周岐新

机构：

[1] 重庆医科大学药理教研室

来源：

中国临床药理学与治疗学 | 2012年 / 17卷 / 10期

关键词：

慢性轻度不可预见刺激; 抑郁模型; 帕罗西汀; 脑源性神经营养因子; 下丘脑-垂体-肾上腺皮质轴;

D O I：

暂无

中图分类号：

R749.4 [情感性精神病];

学科分类号：

100204 [神经病学];

摘要：

目的:研究帕罗西汀抗慢性轻度不可预见刺激(CUMS)致大鼠抑郁症作用与调节氧化应激平衡和下丘脑-垂体-肾上腺皮质(HPA)轴功能及脑源性神经营养因子(BDNF)表达的关系。方法:♂SD大鼠60只,随机分为正常对照组(NG)、模型组(MG)、帕罗西汀(1.8mg.kg-1.d-1)灌胃处理模型组及对照组。采用孤养结合CUMS方式建立大鼠抑郁症模型。以开场实验及糖水消耗试验评价大鼠抑郁行为,试剂盒测定血清丙二醛(MDA)含量及过氧化物歧化酶(SOD)、过氧化氢酶(CAT)活性变化;放射免疫法分析血清皮质酮(CORT)浓度,RT-PCR法测定大鼠海马BDNF及下丘脑CRFmRNA表达。结果:与NG组相比,MG组大鼠在开场实验中水平得分、垂直得分和理毛次数以及糖水消耗均明显降低,血清MDA含量明显升高,SOD和CAT活性降低,血清COTR含量及下丘脑CRF表达明显升高,海马BDNF表达降低。给予帕罗西汀能够显著阻遏CUMS诱导的上述变化,但对正常组大鼠无明显影响。结论:帕罗西汀抗抑郁作用可能与减轻CUMS所致氧化应激损伤和改善HPA轴功能及阻遏神经细胞BDNF表达降低有关。

引用

页码：1137 / 1142

页数：6

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