期刊
PSYCHOPHARMACOLOGY
卷 213, 期 2-3, 页码 265-287出版社
SPRINGER
DOI: 10.1007/s00213-010-2097-z
关键词
Serotonin; Receptors; Antidepressant; Anxiety; Depression
资金
- NIMH NIH HHS [T32 MH14652, T32 MH014654] Funding Source: Medline
- NIMH NIH HHS [T32 MH014654] Funding Source: Medline
Serotonin reuptake inhibitors (SSRIs) are effective in treating depression. Given the existence of different families and subtypes of 5-HT receptors, multiple 5-HT receptors may be involved in the antidepressant-like behavioral effects of SSRIs. Behavioral pharmacology studies investigating the role of 5-HT receptor subtypes in producing or blocking the effects of SSRIs were reviewed. Few animal behavior tests were available to support the original development of SSRIs. Since their development, a number of behavioral tests and models of depression have been developed that are sensitive to the effects of SSRIs, as well as to other types of antidepressant treatments. The rationale for the development and use of these tests is reviewed. Behavioral effects similar to those of SSRIs (antidepressant-like) have been produced by agonists at 5-HT1A, 5-HT1B, 5-HT2C, 5-HT4, and 5-HT6 receptors. Also, antagonists at 5-HT2A, 5-HT2C, 5-HT3, 5-HT6, and 5-HT7 receptors have been reported to produce antidepressant-like responses. Although it seems paradoxical that both agonists and antagonists at particular 5-HT receptors can produce antidepressant-like effects, they probably involve diverse neurochemical mechanisms. The behavioral effects of SSRIs and other antidepressants may also be augmented when 5-HT receptor agonists or antagonists are given in combination. The involvement of 5-HT receptors in the antidepressant-like effects of SSRIs is complex and involves the orchestration of stimulation and blockade at different 5-HT receptor subtypes. Individual 5-HT receptors provide opportunities for the development of a newer generation of antidepressants that may be more beneficial and effective than SSRIs.
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