Sex differences of excitatory synaptic transmission in RA projection neurons of adult zebra finches
被引:6
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作者:
Wang, Songhua
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Wang, Songhua
[1
]
Meng, Wei
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Meng, Wei
[1
]
Liu, Shaoyi
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Liu, Shaoyi
[1
]
Liao, Congshu
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Liao, Congshu
[1
]
Huang, Qingyao
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Huang, Qingyao
[1
]
Li, Dongfeng
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Li, Dongfeng
[1
]
机构:
[1] S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Sex differences;
sEPSCs/mEPSCs;
The robust nucleus of the arcopallium;
Projection neurons;
SONG-CONTROL NEURONS;
ELECTROPHYSIOLOGICAL PROPERTIES;
POSTSYNAPTIC CURRENTS;
ROBUST NUCLEUS;
SYSTEM;
ARCOPALLIUM;
DIMORPHISM;
SONGBIRDS;
ANDROGEN;
INPUTS;
D O I:
10.1016/j.neulet.2014.09.001
中图分类号:
Q189 [神经科学];
学科分类号:
071006 ;
摘要:
Zebra finches are ideal animals to investigate sex difference in songbirds. Only males can sing. The brain nuclei controlling song learning and production in males are considerably larger than in females. The robust nucleus of the arcopallium (RA) is a premotor nucleus, playing a key role in controlling singing. RA receives denser synapse inputs in males than in females. Sex differences of excitatory synaptic transmission in the RA projection neurons (PNs) have not been reported. In the present study, using whole-cell voltage-clamp recording, spontaneous EPSCs (sEPSCs) and miniature EPSCs (mEPSCs) of RA PNs in the intact males and females were recorded. The average frequency and amplitude of sEPSCs/mEPSCs in the intact males were higher than females. The half-width and decay time of sEPSCs/mEPSCs in the intact males were longer than females. In order to verify whether these sex differences related to sex steroids, males were castrated. The average frequency of sEPSCs/mEPSCs in castrated males was lower than intact males and was similar to in females; the amplitude was not changed after castrating. These results demonstrate the sexually dimorphic of the excitatory synaptic transmission in the RA PNs, the RA PNs in males receive more excitatory synaptic transmission and these sex differences were partly affected by sex hormones. These findings contribute to further illuminate the neural mechanisms under the sexually dimorphism in song production of adult zebra finches. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Zhang, Yutao
Zheng, Zijian
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Jiangxi Sci & Technol Normal Univ, Sch Life Sci, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Zheng, Zijian
Niu, Yali
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Jiangxi Sci & Technol Normal Univ, Sch Life Sci, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Niu, Yali
Li, Dongfeng
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South China Normal Univ, Sch Life Sci, Guangzhou, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Li, Dongfeng
Wang, Songhua
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Wang, Songhua
Meng, Wei
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
机构:
Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Wang, Songhua
Liu, Shaoyi
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South China Normal Univ, Sch Life Sci, Guangzhou, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Liu, Shaoyi
Wang, Qingqin
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Wang, Qingqin
Sun, Yalun
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Sun, Yalun
Yao, Lihua
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Jiangxi Sci & Technol Normal Univ, Sch Life Sci, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Yao, Lihua
Li, Dongfeng
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South China Normal Univ, Sch Life Sci, Guangzhou, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Li, Dongfeng
Meng, Wei
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Zhang, Yutao
Sun, Yalun
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Sun, Yalun
Wu, Yanran
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Jiangxi Sci & Technol Normal Univ, Sch Life Sci, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Wu, Yanran
Sun, Wei
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Sun, Wei
Zhang, Kun
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Zhang, Kun
Meng, Wei
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
Meng, Wei
Wang, Songhua
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Peoples R China
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Wang, Songhua
Liao, Congshu
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Liao, Congshu
Li, Fengling
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Li, Fengling
Liu, Shaoyi
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Liu, Shaoyi
Meng, Wei
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Meng, Wei
Li, Dongfeng
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Liao, Congshu
Wang, Songhua
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Wang, Songhua
Pan, Xuan
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
Pan, Xuan
Hou, Guoqiang
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
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Li, Dongfeng
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S China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R ChinaS China Normal Univ, Sch Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou, Guangdong, Peoples R China
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Wang, Songhua
Sun, Yalun
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
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Wang, Qingqin
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
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Gong, Yanchun
Meng, Wei
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Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
Meng, Wei
Li, Dongfeng
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South China Normal Univ, Sch Life Sci, Guangzhou, Guangdong, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang, Jiangxi, Peoples R China
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S China Normal Univ, Coll Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Coll Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Liu, Xiao-Lin
Hou, Guo-Qiang
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S China Normal Univ, Coll Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Coll Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
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Liao, Su-Qun
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S China Normal Univ, Coll Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Coll Life Sci, Key Lab Ecol & Environm Sci Higher Educ Guangdong, Guangzhou 510631, Guangdong, Peoples R China
Liao, Su-Qun
Li, Dong-Feng
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