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Smith MA, Johansen AN, Cha HSH, Morris MH, Yao Z, Biancorosso SL, Camp JD, Hailu SH. Treatment with dextroamphetamine decreases the reacquisition of cocaine self-administration: Consistency across social contexts. Drug Alcohol Depend 2024; 260:111328. [PMID: 38776581 DOI: 10.1016/j.drugalcdep.2024.111328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/29/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
RATIONALE A return to cocaine use following abstinence frequently occurs in a social context, and the presence of other individuals using cocaine may contribute to the likelihood of use. Previous studies have reported that chronic d-amphetamine treatment decreases cocaine self-administration in laboratory animals and reduces a return to cocaine use following abstinence in humans. OBJECTIVE The purpose of this study was to examine the effects of chronic d-amphetamine treatment on the reacquisition of cocaine use in rats self-administering cocaine in different social contexts. METHODS Male and female rats were implanted with intravenous catheters and trained to self-administer cocaine during daily 6-hr sessions. After 14 days, cocaine self-administration was extinguished by substituting saline for the cocaine stimulus. At this time, rats were randomized to receive chronic treatment with either d-amphetamine or saline. After 9 days of extinction, cocaine was again made available during daily 6-hr sessions. At this time, rats were further randomized into three social conditions: (1) rats continued self-administering cocaine in isolation, (2) rats self-administered cocaine in the presence of a same-sex partner that also self-administered cocaine, or (3) rats self-administered cocaine in the presence of a same-sex partner that did not have access to cocaine. Daily treatment with d-amphetamine or saline continued for the duration of reacquisition testing. RESULTS Chronic treatment with d-amphetamine decreased cocaine intake during reacquisition, but these effects were not influenced by the social context. No sex differences were observed. CONCLUSION These data support previous studies reporting that d-amphetamine decreases cocaine intake and demonstrate its efficacy across social contexts.
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Affiliation(s)
- Mark A Smith
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA.
| | - Alexandra N Johansen
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
| | - Hannah S H Cha
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
| | - Mackenzie H Morris
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
| | - Zizhan Yao
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
| | - Samantha L Biancorosso
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
| | - Jacob D Camp
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
| | - Salome H Hailu
- Department of Psychology and Program in Neuroscience, Davidson College, Davidson, NC, USA
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Terenzi D, Simon N, Gachomba MJM, de Peretti JL, Nazarian B, Sein J, Anton JL, Grandjean D, Baunez C, Chaminade T. Social context and drug cues modulate inhibitory control in cocaine addiction: involvement of the STN evidenced through functional MRI. Mol Psychiatry 2024:10.1038/s41380-024-02637-y. [PMID: 38926543 DOI: 10.1038/s41380-024-02637-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 06/18/2024] [Accepted: 06/19/2024] [Indexed: 06/28/2024]
Abstract
Addictions often develop in a social context, although the influence of social factors did not receive much attention in the neuroscience of addiction. Recent animal studies suggest that peer presence can reduce cocaine intake, an influence potentially mediated, among others, by the subthalamic nucleus (STN). However, there is to date no neurobiological study investigating this mediation in humans. This study investigated the impact of social context and drug cues on brain correlates of inhibitory control in individuals with and without cocaine use disorder (CUD) using functional Magnetic Resonance Imaging (fMRI). Seventeen CUD participants and 17 healthy controls (HC) performed a novel fMRI "Social" Stop-Signal Task (SSST) in the presence or absence of an observer while being exposed to cocaine-related (vs. neutral) cues eliciting craving in drug users. The results showed that CUD participants, while slower at stopping with neutral cues, recovered control level stopping abilities with cocaine cues, while HC did not show any difference. During inhibition (Stop Correct vs Stop Incorrect), activity in the right STN, right inferior frontal gyrus (IFG), and bilateral orbitofrontal cortex (OFC) varied according to the type of cue. Notably, the presence of an observer reversed this effect in most areas for CUD participants. These findings highlight the impact of social context and drug cues on inhibitory control in CUD and the mediation of these effects by the right STN and bilateral OFC, emphasizing the importance of considering the social context in addiction research. They also comfort the STN as a potential addiction treatment target.
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Affiliation(s)
- Damiano Terenzi
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France.
| | - Nicolas Simon
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France
- SESSTIM INSERM, IRD & Aix-Marseille Université, AP-HM, Marseille, France
| | | | - Jeanne-Laure de Peretti
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France
| | - Bruno Nazarian
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France
| | - Julien Sein
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France
| | - Jean-Luc Anton
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France
| | - Didier Grandjean
- Swiss Center for Affective Science and Department of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland
| | - Christelle Baunez
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France.
| | - Thierry Chaminade
- Institut de Neurosciences de la Timone, UMR 7289 CNRS & Aix-Marseille Université, Marseille, France
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Vignal L, Vielle C, Williams M, Maurice N, Degoulet M, Baunez C. Subthalamic high-frequency deep brain stimulation reduces addiction-like alcohol use and the possible negative influence of a peer presence. Psychopharmacology (Berl) 2024:10.1007/s00213-024-06532-w. [PMID: 38307944 DOI: 10.1007/s00213-024-06532-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/08/2024] [Indexed: 02/04/2024]
Abstract
RATIONALE The immediate social context significantly influences alcohol consumption in humans. Recent studies have revealed that peer presence could modulate drugs use in rats. The most efficient condition to reduce cocaine intake is the presence of a stranger peer, naive to drugs. Deep brain stimulation (DBS) of the Subthalamic Nucleus (STN), which was shown to have beneficial effects on addiction to cocaine or alcohol, also modulates the protective influence of peer's presence on cocaine use. OBJECTIVES This study aimed to: 1) explore how the presence of an alcohol-naive stranger peer affects recreational and escalated alcohol intake, and 2) assess the involvement of STN on alcohol use and in the modulation induced by the presence of an alcohol-naïve stranger peer. METHODS Rats with STN DBS and control animals self-administered 10% (v/v) ethanol in presence, or absence, of an alcohol-naive stranger peer, before and after escalation of ethanol intake (observed after intermittent alcohol (20% (v/v) ethanol) access). RESULTS Neither STN DBS nor the presence of an alcohol-naive stranger peer modulated significantly recreational alcohol intake. After the escalation procedure, STN DBS reduced ethanol consumption. The presence of an alcohol-naive stranger peer increased consumption only in low drinkers, which effect was suppressed by STN DBS. CONCLUSIONS These results highlight the influence of a peer's presence on escalated alcohol intake, and confirm the role of STN in addiction-like alcohol intake and in the social influence on drug consumption.
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Affiliation(s)
- Lucie Vignal
- Institut de Neurosciences de La Timone, UMR 7289 CNRS & Aix-Marseille Université, 13005, Marseille, France
| | - Cassandre Vielle
- Institut de Neurosciences de La Timone, UMR 7289 CNRS & Aix-Marseille Université, 13005, Marseille, France
| | - Maya Williams
- Institut de Neurosciences de La Timone, UMR 7289 CNRS & Aix-Marseille Université, 13005, Marseille, France
| | - Nicolas Maurice
- Institut de Neurosciences de La Timone, UMR 7289 CNRS & Aix-Marseille Université, 13005, Marseille, France
| | - Mickael Degoulet
- Institut de Neurosciences de La Timone, UMR 7289 CNRS & Aix-Marseille Université, 13005, Marseille, France
| | - Christelle Baunez
- Institut de Neurosciences de La Timone, UMR 7289 CNRS & Aix-Marseille Université, 13005, Marseille, France.
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Augier G, Schwabl V, Lguensat A, Atudorei M, Iyere OC, Solander SE, Augier E. Wistar rats choose alcohol over social interaction in a discrete-choice model. Neuropsychopharmacology 2022; 48:1098-1107. [PMID: 36587185 PMCID: PMC10209174 DOI: 10.1038/s41386-022-01526-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 01/01/2023]
Abstract
Animal models of substance use disorders have been criticized for their limited translation. One important factor behind seeking and taking that has so far been largely overlooked is the availability of alternative non-drug rewards. We recently reported that only about 15% of outbred Wistar rats will choose alcohol over a sweet solution of saccharin. It was also shown using a novel operant model of choice of drugs over social rewards that social interaction consistently attenuates self-administration and incubation of craving for stimulants and opioids. Whether this is also true for alcohol and choice of alcohol over a sweet reward translates to social rewards is currently unknown. We therefore evaluated choice between alcohol and a social reward in different experimental settings in both male and female Wistar rats. We found, in contrast to prior work that employed discrete choice of drugs vs. social reward, that rats almost exclusively prefer alcohol over social interaction, irrespective of the nature of the social partner (cagemate vs. novel rat), the length of interaction, housing conditions and sex. Alcohol choice was reduced when the response requirement for alcohol was increased. However, rats persisted in choosing alcohol, even when the effort required to obtain it was 10-16 times higher (for females and males respectively) than the one for the social reward. Altogether, these results indicate that the social choice model may not generalize to alcohol, pointing to the possibility that specific interactions between alcohol and social reward, not seen when a sweet solution is used as an alternative to the drug, may play a crucial role in alcohol vs. social choice experiments.
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Affiliation(s)
- Gaëlle Augier
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden
| | - Veronika Schwabl
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden
| | - Asmae Lguensat
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden
| | - Mihai Atudorei
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden
| | - Osamudiamen Consoler Iyere
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden
| | - Sandra Eriksson Solander
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden
| | - Eric Augier
- Center for Social and Affective Neuroscience, BKV, Augier lab, Linköping University, Linköping, 58185, Sweden.
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Vielle C, Montanari C, Pelloux Y, Baunez C. Evidence for a vocal signature in the rat and its reinforcing effects: a key role for the subthalamic nucleus. Proc Biol Sci 2021; 288:20212260. [PMID: 34905707 PMCID: PMC8670952 DOI: 10.1098/rspb.2021.2260 10.1098/rspb.2021.2260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 11/23/2021] [Indexed: 06/16/2024] Open
Abstract
Although rodents have a well-structured vocal form of communication, like humans and non-human primates, there is, to date, no evidence for a vocal signature in the well-known 50- and 22-kHz ultrasonic vocalizations (USVs) emitted by rats. Here, we show that rats can recognize the identity of the USV emitter since they choose to preferentially self-administer playback of 50-kHz USVs emitted by a stranger rat over those of their cagemate. In a second experiment, we show that only stranger, but not familiar, 50-kHz USVs reduce cocaine self-administration. Finally, to study the neurobiological substrate of these processes, we have shown that subthalamic nucleus (STN)-lesioned rats did not lever press much for any USV playback, whatever their emotional valence, nor did they seem able to differentiate familiar from stranger peer. Advocating for the existence of a vocal signature in rats, these results highlight the importance of ultrasonic communication in the socio-affective influence of behaviour, such as the influence of proximal social factors on drug consumption and confirm the role of the STN on this influence.
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Affiliation(s)
- Cassandre Vielle
- Institut de Neurosciences de la Timone, UMR 7289 CNRS and Aix-Marseille Université, 27 Boulevard Jean Moulin, Marseille 13005, France
| | - Christian Montanari
- Institut de Neurosciences de la Timone, UMR 7289 CNRS and Aix-Marseille Université, 27 Boulevard Jean Moulin, Marseille 13005, France
| | - Yann Pelloux
- Institut de Neurosciences de la Timone, UMR 7289 CNRS and Aix-Marseille Université, 27 Boulevard Jean Moulin, Marseille 13005, France
| | - Christelle Baunez
- Institut de Neurosciences de la Timone, UMR 7289 CNRS and Aix-Marseille Université, 27 Boulevard Jean Moulin, Marseille 13005, France
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