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| Content Provider | Springer Nature Link |
|---|---|
| Author | Orrù, Alessandro Caffi, Lucia Moro, Federico Cassina, Chiara Giantti, Giuseppe Di Clemente, Angelo Fumagalli, Fabio Cervo, Luigi |
| Copyright Year | 2016 |
| Abstract | Although brain-derived neurotrophic factor (BDNF) is part of a homeostatic pathway involved in the development of alcohol dependence, it is not clear whether this is also true after recreational ethanol consumption.We examined BDNF expression and signaling in the cortico-striatal network immediately and 24 h after either a single intravenous (i.v.) ethanol operant self-administration session or the last of 14 sessions.To compare contingent and non-contingent ethanol exposure, we incorporated the “yoked control-operant paradigm” in which rats actively taking ethanol (S-Et) were paired with two yoked controls receiving passive infusions of ethanol (Y-Et) or saline.A single ethanol exposure transiently reduced BDNF mRNA levels in the medial prefrontal cortex (mPFC) of Y-Et. Immediately after the last of 14 sessions, mRNA and mature BDNF protein levels (mBDNF) were reduced in the mPFC in both S-Et and Y-Et while mBDNF expression was raised in the nucleus accumbens (NAc), suggesting enhanced anterograde transport from the mPFC. Conversely, 24 h later mBDNF expression and signaling were raised in the mPFC and NAc of S-Et rats but reduced in the NAc of Y-Et rats, with concomitant reduction of downstream signaling pathways.Our findings indicate that recreational-like i.v. doses of ethanol promote early changes in neurotrophin expression, depending on the length and modality of administration, the brain region investigated, and the presence of the drug. A rapid intervention targeting the BDNF system might be useful to prevent escalation to alcohol abuse. |
| Starting Page | 3149 |
| Ending Page | 3160 |
| Page Count | 12 |
| File Format | |
| ISSN | 00333158 |
| Journal | Psychopharmacology |
| Volume Number | 233 |
| Issue Number | 17 |
| e-ISSN | 14322072 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-07-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | BDNF Ethanol Medial prefrontal cortex Nucleus accumbens Self-administration Neurosciences Pharmacology/Toxicology Psychiatry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology |
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