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Place preference induced by nucleus accumbens amphetamine is impaired by local blockade of Group II metabotropic glutamate receptors in rats

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journal contribution
posted on 04.06.2010, 11:37 by Todor V. Gerdjikov, Richard J. Beninger
Background: The nucleus accumbens (NAc) plays a critical role in amphetamine-produced conditioned place preference (CPP). In previous studies, NAc basal and amphetamine-produced DA transmission was altered by Group II mGluR agents. We tested whether NAc amphetamine CPP depends on Group II mGluR transmission. Results: NAc injections (0.5 μl/side) of the Group II mGluR antagonist (2 S)- a-ethylglutamic acid (EGLU: 0.01–0.8 μg but not 0.001 μg) impaired CPP. The drug did not block the acute locomotor effect of amphetamine. Conclusion: Results suggest that Group II mGluRs may be necessary for the establishment of NAc amphetamine-produced CPP. These receptors may also mediate other forms of reward-related learning dependent on this structure.

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Citation

BMC Neuroscience, 2006, 7(43)

Published in

BMC Neuroscience

Publisher

BioMed Central

issn

1471-2202

Copyright date

2006

Available date

04/06/2010

Publisher version

http://bmcneurosci.biomedcentral.com/articles/10.1186/1471-2202-7-43

Language

en

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