EFFECTS OF ADRENALECTOMY AND TYPE-I OR TYPE-II GLUCOCORTICOID RECEPTOR ACTIVATION ON 5-HT1A AND 5-HT2 RECEPTOR-BINDING AND 5-HT TRANSPORTER MESSENGER-RNA EXPRESSION IN RAT-BRAIN

被引:85
作者
KURODA, Y
WATANABE, Y
ALBECK, DS
HASTINGS, NB
MCEWEN, BS
机构
[1] Laboratory of Neuroendocrinology, Rockefeller University, New York, NY 10021
关键词
SEROTONIN 5-HT1A RECEPTOR; SEROTONIN; 5-HT2; RECEPTOR; SEROTONIN TRANSPORTER; ADRENALECTOMY; RU28362; ALDOSTERONE;
D O I
10.1016/0006-8993(94)91916-X
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
We evaluated the effects of adrenalectomy (ADX) and replacement with glucocorticoid receptor agonists on serotonin (5-HT) 5-HT1A and 5-HT2 receptor binding in rat brain. 5-HT1A receptor binding was increased in the CA2-CA4 and the dentate gyrus of the hippocampus 1 week after ADX. This effect was prevented by the systemic administration of aldosterone (10 mu g/mu l/h) but not by RU28362 (10 mu g/mu l/h). No significant effect was observed on 5-HT2 receptor binding in rat cortex. The expression of 5-HT transporter mRNA was unchanged in the raphe nucleus as measured by in situ hybridization.
引用
收藏
页码:157 / 161
页数:5
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