| pubmed-article:19342492 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:19342492 | lifeskim:mentions | umls-concept:C0009170 | lld:lifeskim |
| pubmed-article:19342492 | lifeskim:mentions | umls-concept:C0065898 | lld:lifeskim |
| pubmed-article:19342492 | lifeskim:mentions | umls-concept:C0035397 | lld:lifeskim |
| pubmed-article:19342492 | pubmed:issue | 16 | lld:pubmed |
| pubmed-article:19342492 | pubmed:dateCreated | 2009-5-6 | lld:pubmed |
| pubmed-article:19342492 | pubmed:abstractText | Drug addiction is mediated by complex neuronal processes that converge on the shell of the nucleus accumbens (NAcSh). The NAcSh receives inputs from the lateral hypothalamus (LH), where self-stimulation can be induced. Melanin-concentrating hormone (MCH) is produced mainly in the LH, and its receptor (MCH1R) is highly expressed in the NAcSh. We found that, in the NAcSh, MCH1R is coexpressed with dopamine receptors (D1R and D2R), and that MCH increases spike firing when both D1R and D2R are activated. Also, injecting MCH potentiates cocaine-induced hyperactivity in mice. Mice lacking MCH1R exhibit decreased cocaine-induced conditioned place preference, as well as cocaine sensitization. Using a specific MCH1R antagonist, we further show that acute blockade of the MCH system not only reduces cocaine self-administration, but also attenuates cue- and cocaine-induced reinstatement. Thus, the MCH system has an important modulatory role in cocaine reward and reinforcement by potentiating the dopaminergic system in the NAcSh, which may provide a new rationale for treating cocaine addiction. | lld:pubmed |
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| pubmed-article:19342492 | pubmed:language | eng | lld:pubmed |
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| pubmed-article:19342492 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:19342492 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:19342492 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:19342492 | pubmed:issn | 1091-6490 | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:HopfF... | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:BonciAntonell... | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:CivelliOlivie... | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:LiChun-YingCY | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:NagasakiHiros... | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:BelluzziJames... | lld:pubmed |
| pubmed-article:19342492 | pubmed:author | pubmed-author:ChungShinjaeS | lld:pubmed |
| pubmed-article:19342492 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:19342492 | pubmed:day | 21 | lld:pubmed |
| pubmed-article:19342492 | pubmed:volume | 106 | lld:pubmed |
| pubmed-article:19342492 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:19342492 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:19342492 | pubmed:pagination | 6772-7 | lld:pubmed |
| pubmed-article:19342492 | pubmed:dateRevised | 2010-9-22 | lld:pubmed |
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