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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Contribution of limbic norepinephrine to cannabinoid-induced aversion
Psychopharmacology, v 211(4), pp 479-491
01 Sep 2010
PMID: 20602088
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Rationale
The cannabinoid system has risen to the forefront in the development of novel treatments for a number of pathophysiological processes. However, significant side effects have been observed in clinical trials raising concerns regarding the potential clinical utility of cannabinoid-based agents. Understanding the neural circuits and neurochemical substrates impacted by cannabinoids will provide a better means of gaging their actions within the central nervous system that may contribute to the expression of unwanted side effects.
Objectives
In the present study, we investigated whether norepinephrine (NE) in the limbic forebrain is a critical determinant of cannabinoid receptor agonist-induced aversion and anxiety in rats.
Methods
An immunotoxin lesion approach was combined with behavioral analysis using a place conditioning paradigm and the elevated zero maze.
Results
Our results show that the non-selective CB1/CB2 receptor agonist, WIN 55,212-2, produced a significant place aversion in rats. Further, NE in the nucleus accumbens was critical for WIN 55,212-2-induced aversion but did not affect anxiety-like behaviors. Depletion of NE from the bed nucleus of the stria terminalis was ineffective in altering WIN 55,212-2-induced aversion and anxiety.
Conclusions
These results indicate that limbic, specifically accumbal, NE is required for cannabinoid-induced aversion but is not essential to cannabinoid-induced anxiety.
Metrics
Details
- Title
- Contribution of limbic norepinephrine to cannabinoid-induced aversion
- Creators
- Ana Franky Carvalho - Thomas Jefferson UniversityArith-Ruth S. Reyes - Jefferson Hospital for NeuroscienceRobert C. Sterling - Thomas Jefferson UniversityEllen Unterwald - Temple UniversityElisabeth J. Van Bockstaele - Jefferson Hospital for Neuroscience
- Publication Details
- Psychopharmacology, v 211(4), pp 479-491
- Publisher
- Springer-Verlag
- Number of pages
- 13
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pharmacology and Physiology
- Web of Science ID
- WOS:000280243700011
- Scopus ID
- 2-s2.0-77955484155
- Other Identifier
- 991021903414804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Neurosciences
- Pharmacology & Pharmacy
- Psychiatry