Gonadal steroid receptor mRNA in catecholaminergic nuclei of the canary brainstem

被引：45

作者：

Maney, DL

Bernard, DJ

Ball, GF

机构：

[1] Johns Hopkins Univ, Dept Psychol, Behav Neuroendocrinol Grp, Baltimore, MD 21218 USA

[2] Northwestern Univ, Dept Neurobiol & Physiol, Evanston, IL 60208 USA

来源：

NEUROSCIENCE LETTERS | 2001年 / 311卷 / 03期

关键词：

androgen receptor; estrogen receptor; tyrosine hydroxylase; area ventralis; central gray; locus ceruleus; song;

D O I：

10.1016/S0304-3940(01)02157-7

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Steroid actions in the song system may be modulated by ascending inputs from catecholaminergic (CA) brain nuclei; however, whether these nuclei contain steroid receptors is unknown. Here, we compared the distribution of androgen receptor (AR) and estrogen receptor-alpha (ER-alpha) mRNA with that of tyrosine hydroxylase immunoreactivity (TH-IR) in the brainstems of male canaries. Areas containing AR and ER-alpha mRNA overlapped with areas containing TH-IR cell bodies in the locus ceruleus and the area ventralis of Tsai. The substantia nigra and the midbrain central gray contained both TH-IR and AR mRNA. The presence of AR and ER-alpha within CA cell groups suggests that sex steroid hormones may modulate song production at the site of CA synthesis. (C) 2001 Published by Elsevier Science Ireland Ltd.

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页码：189 / 192

页数：4

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