期刊
PEPTIDES
卷 26, 期 8, 页码 1383-1393出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.peptides.2005.03.032
关键词
antidepressant; anxiolytic; substance P; antagonist of SP; NK1 receptor; depression; anxiety
Neurokinin-1 (NK1) receptor antagonists have been reported to possess antidepressant and anxiolytic properties in controlled trials. Since antidepressant and anxiolytic drugs act mainly by enhancing serotonin (5-HT) and norepinephrine (NE) neurotransmission in forebrain areas, the main focus of the present review is to critically examine the electrophysiological effects of NK1 receptor antagonists on serotoninergic and noradrenergic neurons, and then hippocampal neurons. It is concluded that NK1 antagonists increase the firing and burst activity of 5-HT neurons, increase burst activity of NE neurons, and modulate postsynaptic transmission at the hippocampus level. Further research is needed in order to develop more selective ligands for the human NK1 receptor and to gain better knowledge of required brain penetration and optimal pharmacodynamic conditions for their use in patients. (c) 2005 Elsevier Inc. All rights reserved.
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