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| Content Provider | Springer Nature Link |
|---|---|
| Author | Galaj, E. Harding, W. Ranaldi, R. |
| Copyright Year | 2016 |
| Abstract | Animal research has demonstrated a role of dopamine D1 and D3 receptors in cocaine reward and seeking.Here, we investigated the potential interaction of these two dopamine receptors in cue-induced reinstatement of cocaine seeking, cocaine conditioned place preference (CPP), and cocaine self-administration in rats.The co-administration of a D3 receptor antagonist, NGB 2904 and a D1 partial agonist, SKF 77434, of doses which when administered individually produced no significant effects, prior to reinstatement or CPP tests significantly reduced lever pressing and time spent in the cocaine-paired environment, suggesting synergistic effects of the combined compounds on cocaine seeking. When given to rats self-administering cocaine under a progressive ratio schedule of reinforcement doses of NGB 2904 which were ineffective alone significantly enhanced the break point-reducing effects of SKF 77434.Our results indicate that the combined treatment with a D1 receptor partial agonist and D3 receptor antagonist produces robust decreases in cocaine seeking and reward. This suggests an interaction between dopamine D1 and D3 receptors in cocaine-related behaviors. |
| Starting Page | 3881 |
| Ending Page | 3890 |
| Page Count | 10 |
| File Format | |
| ISSN | 00333158 |
| Journal | Psychopharmacology |
| Volume Number | 233 |
| Issue Number | 23-24 |
| e-ISSN | 14322072 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-08-31 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cocaine Reinstatement Conditioned place preference Reward Self-administration D1 receptor partial agonist D3 receptor antagonist Neurosciences Pharmacology/Toxicology Psychiatry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology |
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