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Pharmacol Ther. 2009 Sep;123(3):334-43. doi: 10.1016/j.pharmthera.2009.05.008. Epub 2009 Jun 2.

Kappa-opioid ligands in the study and treatment of mood disorders.

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1
Behavioral Genetics Laboratory, Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont, MA 02478, USA. bcarlezon@mclean.harvard.edu

Abstract

The biological basis of mood is not understood. Most research on mood and affective states has focused on the roles of brain systems containing monoamines (e.g., dopamine, norepinephrine, serotonin). However, it is becoming clear that endogenous opioid systems in the brain may also be involved in the regulation of mood. In this review, we focus on the potential utility of kappa-opioid receptor (KOR) ligands in the study and treatment of psychiatric disorders. Research from our group and others suggests that KOR antagonists might be useful for depression, KOR agonists might be useful for mania, and KOR partial agonists might be useful for mood stabilization. Currently available KOR agents have some unfavorable properties that might be addressed through medicinal chemistry. The development of KOR-selective agents with improved drug-like characteristics would facilitate preclinical and clinical studies designed to evaluate the possibility that KORs are a feasible target for new medications.

PMID:
19497337
PMCID:
PMC2740476
DOI:
10.1016/j.pharmthera.2009.05.008
[Indexed for MEDLINE]
Free PMC Article
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