情绪应激对不同脑区c-fos表达的影响
The effect of emotional stress on the c-fos gene expression of brain areas
查看参考文献14篇
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文摘
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利用击信号和空瓶刺激两种情绪应激体应免疫调节作用动物模型，以c-fos原癌基因为探针，观察情绪应激后2个小时，大鼠全脑的c-fos原癌基因表达情况，探讨情绪应激对不同脑区c-fos表达的影响。结果表明，电击信号和空瓶刺激两种情绪应激源均能引起某些脑区或核团的c-fos蛋白表达明显增加，包括额皮质、扣带皮质、杏仁内侧核、前连合核、下丘脑背内侧核弥散部、弓状核、孤束核。结果提示，这些脑区或核材是情绪应激活的中枢部位。 |
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其他语种文摘
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To explore the effect of emotional stress on c - fos gene expression of brain areas, two types of animal models of im-munomodulation induced by emotional stressor were used. One was footshock apparatus as signal stimuli to cause the rats which were given footshock before emotional stress, the other was empty water bottle to cause the rats which were trained to drink water at two set times each day emotional stress. Both of the emotional stressors were demonstrated to suppress the primary immunity of rats. The c - fos gene, a nuclear proto - oncogene, is transiently expressed in neurons after stimula-tion and within one hour produces detectable amounts of its product, c -fos. Immunocytochemical localization of the c -fos protein was used to determine neuronal activation in areas of the central nervous system. After two hours of emotional stress, the rats were perfused transcardially, then the brains were removed, blocked, immersed, cut with a freezing micro-tome , immunocytochemical stained. The results showed that compared to rats in control groups, c - fos protein was strongly expressed at several brain areas in rats of the emotional stressed group. The brain areas contain frontal cortex, cingulum cortex, amygdala, anterior commissure nucleus, arcuate nucleus, diffuse part of dorsalmedial nucleus hypothalamus, soli-tary nucleus. Conclusion: These brain areas maybe the major central areas activated by the emotional stress. |
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来源
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心理学报
,2003,35(5):685-689 【核心库】
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关键词
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情绪应激
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c-fos原癌基因
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脑区
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地址
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1.
北京大学心理学系, 北京, 100871
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中国科学院心理研究所脑-行为中心, 北京, 100101
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语种
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中文 |
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ISSN
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0439-755X |
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学科
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社会科学总论 |
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基金
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中国科学院知识创新工程项目
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国家自然科学基金
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国家教育部科学技术研究重点项目
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文献收藏号
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CSCD:1231686
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