共 5 条
创伤后应激障碍大鼠海马组织5-HT1受体mRNA的表达
被引:1
作者:

王芳
论文数: 0 引用数: 0
h-index: 0
机构: 邹城市人民医院神经内科
机构:
[1] 邹城市人民医院神经内科
来源:
关键词:
创伤后应激障碍;
海马5-羟色胺受体;
RT-PCR;
D O I:
10.19845/j.cnki.zfysjjbzz.2010.09.005
中图分类号:
R749.5 [反应性精神障碍];
学科分类号:
100204 [神经病学];
摘要:
目的探讨创伤后应激障碍(Posttraumatic Stress Disorder,PTSD)大鼠海马组织中5-羟色胺受体1mRNA的表达。方法随机将雄性wistar大鼠分为对照组和PTSD组,采用SPS(single-prolonged stress)方法刺激大鼠建立PTSD大鼠模型,Morris水迷宫实验检测大鼠记忆功能,化学发光法检测大鼠血清皮质醇浓度。SPS刺激后1d、4d、7d、14d分离海马组织,RT-PCR方法检测5-羟色胺受体1的变化。结果 (1)对照组水迷宫实验逃避潜伏期为(5.632±1.065)s,模型组为(20.762±3.236)s(t=9.932,P<0.01);(2)对照组血清皮质醇浓度为(1.25±0.12)μg/dl,模型组为(0.58±0.09)μg/dl(t=7.340,P<0.01);(3)SPS刺激后1d、4d、7d、14d海马5-HT1A受体mRNA表达相对水平分别为0.846±0.067、0.510±0.052、1.007±0.137、1.109±0.106,与对照组相1.223±0.152比较,1d、4d、7d表达低于对照组(P<0.05);5-羟色胺1受体其他亚型未见表达。结论 PTSD大鼠海马中5-HT1A受体mRNA表达降低。
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页码:788 / 790
页数:3
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