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Public Library of Science, PLoS ONE, 11(4), p. e7952, 2009

DOI: 10.1371/journal.pone.0007952

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Role of Serotonin via 5-HT2B Receptors in the Reinforcing Effects of MDMA in Mice

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The amphetamine derivative 3,4-methylenedioxymethamphetamine (MDMA, ecstasy) reverses dopamine and serotonin transporters to produce efflux of dopamine and serotonin, respectively, in regions of the brain that have been implicated in reward. However, the role of serotonin/dopamine interactions in the behavioral effects of MDMA remains unclear. We previously showed that MDMA-induced locomotion, serotonin and dopamine release are 5-HT2B receptor-dependent. The aim of the present study was to determine the contribution of serotonin and 5-HT2B receptors to the reinforcing properties of MDMA.