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投稿e-mail: jbnuns_sub@bnu.edu.cn

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标题

离子型谷氨酸受体AMPA亚型GluR2在成年斑胸草雀鸣唱系统的分布

作者

刘武林 孙颖郁 张信文

机构

海南师范大学生命科学学院 北京师范大学生命科学学院

摘要

主要采用DAB免疫组织化学方法对离子型谷氨酸受体AMPA亚型GluR2在成年雄性斑胸草雀鸣唱系统的分布进行了研究。结果显示:1)端脑高级发声中枢HVC(proper name)中,GluR2表达丰富,并主要分布于胞体部位;在HVC投射至弓状皮质栎核(robust nucleus of the arcopallium,RA)的路径上,有大量的GluR2阳性细胞分布,并有少量阳性纤维分布;2)RA中,呈密集的GluR2阳性胞体标记;3)前脑基底神经节X区(Area X)中,有少量阳性胞体标记;4)中脑腹侧被盖区 (ventral tegmental area,VTA)、黑质致密部 (substantia nigra compacta,SNc) 存在大量的阳性胞体标记。本实验结果表明GluR2可能参与了鸣唱运动的调控和维持。

关键词

GluR2;斑胸草雀;鸣唱控制系统

引用

刘武林 孙颖郁 张信文. 离子型谷氨酸受体AMPA亚型GluR2在成年斑胸草雀鸣唱系统的分布 [J]. 北京师范大学学报(自然科学版), 2015, 51(2) : 148-153

基金

国家自然科学基金资助项目(31360243)

分类号

Q955

DOI

10.16360j.cnki.jbnuns.2015.02.009

Title

Distribution of ionotropic glutamate receptor GluR2 in song control system of adult zebra finch (Taeniopygia guttata)

Author

LIU Wulin SUN Yinyu ZHANG Xinwen

Affiliations

College of Life Sciences, Hainan Normal University College of Life Sciences, Beijing Normal University

Abstract

Immnuohistochemistry revealed that GluR2 was strongly expressed in song system in adult male zebra finches. It was found that high vocal center HVC showed rich GluR2 labeling in soma. A large number of GluR2 positive cells and poorly stained fibers from HVC path projected to robust nucleus of arcopallium (RA). Strong GluR2-positive cells were found and densely distributed in RA.Basal ganglia X area (Area X) showed a small amount of positive cell bodies. The ventral tegmental area (VTA) and ubstantia nigra compacta (SNc) showed a great number of GluR2 positive cell bodies. These data suggest that GluR2 may be involved in regulating vocal learning and maintenance in songbirds.

Key words

GluR2; zebra finch; song control system

cite

LIU Wulin SUN Yinyu ZHANG Xinwen. Distribution of ionotropic glutamate receptor GluR2 in song control system of adult zebra finch (Taeniopygia guttata)[J]. Journal of Beijing Normal University(Natural Science), 2015, 51(2) : 148-153

DOI

10.16360j.cnki.jbnuns.2015.02.009

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn