1
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Robbins TW, Banca P, Belin D. From compulsivity to compulsion: the neural basis of compulsive disorders. Nat Rev Neurosci 2024; 25:313-333. [PMID: 38594324 DOI: 10.1038/s41583-024-00807-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2024] [Indexed: 04/11/2024]
Abstract
Compulsive behaviour, an apparently irrational perseveration in often maladaptive acts, is a potential transdiagnostic symptom of several neuropsychiatric disorders, including obsessive-compulsive disorder and addiction, and may reflect the severe manifestation of a dimensional trait termed compulsivity. In this Review, we examine the psychological basis of compulsions and compulsivity and their underlying neural circuitry using evidence from human neuroimaging and animal models. Several main elements of this circuitry are identified, focused on fronto-striatal systems implicated in goal-directed behaviour and habits. These systems include the orbitofrontal, prefrontal, anterior cingulate and insular cortices and their connections with the basal ganglia as well as sensoriomotor and parietal cortices and cerebellum. We also consider the implications for future classification of impulsive-compulsive disorders and their treatment.
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Affiliation(s)
- Trevor W Robbins
- Behavioural and Clinical Neuroscience Institute, Department of Psychology, University of Cambridge, Cambridge, UK.
| | - Paula Banca
- Behavioural and Clinical Neuroscience Institute, Department of Psychology, University of Cambridge, Cambridge, UK
| | - David Belin
- Behavioural and Clinical Neuroscience Institute, Department of Psychology, University of Cambridge, Cambridge, UK
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2
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Hynes T, Fouyssac M, Puaud M, Joshi D, Chernoff C, Stiebahl S, Michaud L, Belin D. Pan-striatal reduction in the expression of the astrocytic dopamine transporter precedes the development of dorsolateral striatum dopamine-dependent incentive heroin seeking habits. Eur J Neurosci 2024; 59:2502-2521. [PMID: 38650303 DOI: 10.1111/ejn.16354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 03/28/2024] [Accepted: 03/31/2024] [Indexed: 04/25/2024]
Abstract
The emergence of compulsive drug-seeking habits, a hallmark feature of substance use disorder, has been shown to be predicated on the engagement of dorsolateral striatal control over behaviour. This process involves the dopamine-dependent functional coupling of the anterior dorsolateral striatum (aDLS) with the nucleus accumbens core, but the mechanisms by which this coupling occurs have not been fully elucidated. The striatum is tiled by a syncytium of astrocytes that express the dopamine transporter (DAT), the level of which is altered in individuals with heroin use disorder. Astrocytes are therefore uniquely placed functionally to bridge dopamine-dependent mechanisms across the striatum. Here we tested the hypothesis that exposure to heroin influences the expression of DAT in striatal astrocytes across the striatum before the development of DLS-dependent incentive heroin seeking habits. Using Western-blot, qPCR, and RNAscope™, we measured DAT protein and mRNA levels in whole tissue, culture and in situ astrocytes from striatal territories of rats with a well-established cue-controlled heroin seeking habit and rats trained to respond for heroin or food under continuous reinforcement. Incentive heroin seeking habits were associated with a reduction in DAT protein levels in the anterior aDLS that was preceded by a heroin-induced reduction in DAT mRNA and protein in astrocytes across the striatum. Striatal astrocytes were also shown to be susceptible to direct dopamine- and opioid-induced downregulation of DAT expression. These results suggest that astrocytes may critically regulate the striatal dopaminergic adaptations that lead to the development of incentive heroin seeking habits.
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Affiliation(s)
- Tristan Hynes
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Maxime Fouyssac
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Mickaël Puaud
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Dhaval Joshi
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Chloe Chernoff
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Sonja Stiebahl
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Lola Michaud
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - David Belin
- Department of Psychology, University of Cambridge, Cambridge, UK
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3
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Magnard R, Fouyssac M, Vachez YM, Cheng Y, Dufourd T, Carcenac C, Boulet S, Janak PH, Savasta M, Belin D, Carnicella S. Pramipexole restores behavioral inhibition in highly impulsive rats through a paradoxical modulation of frontostriatal networks. Transl Psychiatry 2024; 14:86. [PMID: 38336862 PMCID: PMC10858232 DOI: 10.1038/s41398-024-02804-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
Impulse control disorders (ICDs), a wide spectrum of maladaptive behaviors which includes pathological gambling, hypersexuality and compulsive buying, have been recently suggested to be triggered or aggravated by treatments with dopamine D2/3 receptor agonists, such as pramipexole (PPX). Despite evidence showing that impulsivity is associated with functional alterations in corticostriatal networks, the neural basis of the exacerbation of impulsivity by PPX has not been elucidated. Here we used a hotspot analysis to assess the functional recruitment of several corticostriatal structures by PPX in male rats identified as highly (HI), moderately impulsive (MI) or with low levels of impulsivity (LI) in the 5-choice serial reaction time task (5-CSRTT). PPX dramatically reduced impulsivity in HI rats. Assessment of the expression pattern of the two immediate early genes C-fos and Zif268 by in situ hybridization subsequently revealed that PPX resulted in a decrease in Zif268 mRNA levels in different striatal regions of both LI and HI rats accompanied by a high impulsivity specific reduction of Zif268 mRNA levels in prelimbic and cingulate cortices. PPX also decreased C-fos mRNA levels in all striatal regions of LI rats, but only in the dorsolateral striatum and nucleus accumbens core (NAc Core) of HI rats. Structural equation modeling further suggested that the anti-impulsive effect of PPX was mainly attributable to the specific downregulation of Zif268 mRNA in the NAc Core. Altogether, our results show that PPX restores impulse control in highly impulsive rats by modulation of limbic frontostriatal circuits.
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Affiliation(s)
- Robin Magnard
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France.
| | - Maxime Fouyssac
- Department of Psychology, University of Cambridge, Downing Street, CB2 3EB, Cambridge, United Kingdom
| | - Yvan M Vachez
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France
| | - Yifeng Cheng
- Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Thibault Dufourd
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France
| | - Carole Carcenac
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France
| | - Sabrina Boulet
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France
| | - Patricia H Janak
- Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, MD, 21218, USA
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Marc Savasta
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France
| | - David Belin
- Department of Psychology, University of Cambridge, Downing Street, CB2 3EB, Cambridge, United Kingdom
| | - Sebastien Carnicella
- Univ. Grenoble Alpes, Inserm, U1216, Grenoble Institut Neurosciences, 38000, Grenoble, France
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4
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Jones JA, Belin-Rauscent A, Jupp B, Fouyssac M, Sawiak SJ, Zuhlsdorff K, Zhukovsky P, Hebdon L, Velazquez Sanchez C, Robbins TW, Everitt BJ, Belin D, Dalley JW. Neurobehavioral Precursors of Compulsive Cocaine Seeking in Dual Frontostriatal Circuits. BIOLOGICAL PSYCHIATRY GLOBAL OPEN SCIENCE 2024; 4:194-202. [PMID: 38298793 PMCID: PMC10829640 DOI: 10.1016/j.bpsgos.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/04/2023] [Accepted: 06/09/2023] [Indexed: 02/02/2024] Open
Abstract
Background Only some individuals who use drugs recreationally eventually develop a substance use disorder, characterized in part by the rigid engagement in drug foraging behavior (drug seeking), which is often maintained in the face of adverse consequences (i.e., is compulsive). The neurobehavioral determinants of this individual vulnerability have not been fully elucidated. Methods Using a prospective longitudinal study involving 39 male rats, we combined multidimensional characterization of behavioral traits of vulnerability to stimulant use disorder (impulsivity and stickiness) and resilience (sign tracking and sensation seeking/locomotor reactivity to novelty) with magnetic resonance imaging to identify the structural and functional brain correlates of the later emergence of compulsive drug seeking in drug-naïve subjects. We developed a novel behavioral procedure to investigate the individual tendency to persist in drug-seeking behavior in the face of punishment in a drug-free state in subjects with a prolonged history of cocaine seeking under the control of the conditioned reinforcing properties of a drug-paired Pavlovian conditioned stimulus. Results In drug-naïve rats, the tendency to develop compulsive cocaine seeking was characterized by behavioral stickiness-related functional hypoconnectivity between the prefrontal cortex and posterior dorsomedial striatum in combination with impulsivity-related structural alterations in the infralimbic cortex, anterior insula, and nucleus accumbens. Conclusions These findings show that the vulnerability to developing compulsive cocaine-seeking behavior stems from preexisting structural or functional changes in two distinct corticostriatal systems that underlie deficits in impulse control and goal-directed behavior.
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Affiliation(s)
- Jolyon A. Jones
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Aude Belin-Rauscent
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Bianca Jupp
- Department of Neurosciences, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Maxime Fouyssac
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Stephen J. Sawiak
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Katharina Zuhlsdorff
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Peter Zhukovsky
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Lara Hebdon
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Clara Velazquez Sanchez
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Trevor W. Robbins
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Barry J. Everitt
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - David Belin
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
| | - Jeffrey W. Dalley
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing Site, Cambridge, United Kingdom
- Department of Psychiatry, Herschel Smith Building for Brain and Mind Sciences, Forvie Site, Cambridge, United Kingdom
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5
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Gonçalves SF, Izquierdo AM, Bates RA, Acharya A, Matto H, Sikdar S. Negative Urgency Linked to Craving and Substance Use Among Adults on Buprenorphine or Methadone. J Behav Health Serv Res 2024; 51:114-122. [PMID: 37414999 PMCID: PMC11002981 DOI: 10.1007/s11414-023-09845-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2023] [Indexed: 07/08/2023]
Abstract
Despite the effectiveness of medication-assisted treatment (MAT), adults receiving MAT experience opioid cravings and engage in non-opioid illicit substance use that increases the risk of relapse and overdose. The current study examines whether negative urgency, defined as the tendency to act impulsively in response to intense negative emotion, is a risk factor for opioid cravings and non-opioid illicit substance use. Fifty-eight adults (predominately White cis-gender females) receiving MAT (with buprenorphine or methadone) were recruited from online substance use forums and asked to complete self-report questionnaires on negative urgency (UPPS-P Impulsive Behavior Scale), past 3-month opioid cravings (ASSIST-Alcohol, Smoking, and Substance Involvement Screening Test), and non-opioid illicit substance use (e.g., amphetamines, cocaine, benzodiazepines). Results revealed that negative urgency was associated with past 3-month opioid cravings, as well as past month illicit stimulant use (not benzodiazepine use). These results may indicate that individuals high in negative urgency would benefit from receiving extra intervention during MAT.
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Affiliation(s)
| | - Alyssa M Izquierdo
- Department of Psychology, George Mason University, Fairfax, VA, 22030, USA
| | - Rebecca A Bates
- Department of Psychology, George Mason University, Fairfax, VA, 22030, USA
| | - Angeela Acharya
- Department of Psychology, George Mason University, Fairfax, VA, 22030, USA
| | - Holly Matto
- Department of Psychology, George Mason University, Fairfax, VA, 22030, USA
| | - Siddhartha Sikdar
- Department of Psychology, George Mason University, Fairfax, VA, 22030, USA
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6
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Marti-Prats L, Giuliano C, Domi A, Puaud M, Peña-Oliver Y, Fouyssac M, McKenzie C, Everitt BJ, Belin D. The development of compulsive coping behavior depends on dorsolateral striatum dopamine-dependent mechanisms. Mol Psychiatry 2023; 28:4666-4678. [PMID: 37770577 PMCID: PMC10914627 DOI: 10.1038/s41380-023-02256-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/30/2023]
Abstract
Humans greatly differ in how they cope with stress, a natural behavior learnt through negative reinforcement. Some individuals engage in displacement activities, others in exercise or comfort eating, and others still in alcohol use. Across species, adjunctive behaviors, such as polydipsic drinking, are used as a form of displacement activity that reduces stress. Some individuals, in particular those that use alcohol to self-medicate, tend to lose control over such coping behaviors, which become excessive and compulsive. However, the psychological and neural mechanisms underlying this individual vulnerability have not been elucidated. Here we tested the hypothesis that the development of compulsive adjunctive behaviors stems from the functional engagement of the dorsolateral striatum (DLS) dopamine-dependent habit system after a prolonged history of adjunctive responding. We measured in longitudinal studies in male Sprague Dawley rats the sensitivity of early established vs compulsive polydipsic water or alcohol drinking to a bilateral infusion into the anterior DLS (aDLS) of the dopamine receptor antagonist α-flupentixol. While most rats acquired a polydipsic drinking response with water, others only did so with alcohol. Whether drinking water or alcohol, the acquisition of this coping response was insensitive to aDLS dopamine receptor blockade. In contrast, after prolonged experience, adjunctive drinking became dependent on aDLS dopamine at a time when it was compulsive in vulnerable individuals. These data suggest that habits may develop out of negative reinforcement and that the engagement of their underlying striatal system is necessary for the manifestation of compulsive adjunctive behaviors.
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Affiliation(s)
- Lucia Marti-Prats
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Chiara Giuliano
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
- Astra Zeneca, R&D Biopharmaceuticals, Fleming Building (B623), Babraham Research Park, Babraham, Cambridgeshire, CB22 3AT, UK
| | - Ana Domi
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg, Box 410, Gothenburg, 405 30, Sweden
| | - Mickaël Puaud
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Yolanda Peña-Oliver
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
- Research and Enterprise Services, University of Sussex, Brighton, UK
| | - Maxime Fouyssac
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Colin McKenzie
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Barry J Everitt
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - David Belin
- Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK.
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7
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Dampuré J, Agudelo-Orjuela P, van der Meij M, Belin D, Barber HA. Electrophysiological signature of the interplay between habits and inhibition in response to smoking-related cues in individuals with a smoking habit: An event-related potential study. Eur J Neurosci 2023; 57:1335-1352. [PMID: 36829295 PMCID: PMC10946726 DOI: 10.1111/ejn.15942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 01/24/2023] [Accepted: 02/17/2023] [Indexed: 02/26/2023]
Abstract
The rigid, stimulus-bound nature of drug seeking that characterizes substance use disorder (SUD) has been related to a dysregulation of motivational and early attentional reflexive and inhibitory reflective systems. However, the mechanisms by which these systems are engaged by drug-paired conditioned stimuli (CSs) when they promote the enactment of seeking habits in individuals with a SUD have not been elucidated. The present study aimed behaviourally and electrophysiologically to characterize the nature of the interaction between the reflexive and reflective systems recruited by CSs in individuals with a smoking habit. We measured the behavioural performance and associated event-related potentials (ERPs) of 20 individuals with a smoking habit and 20 controls, who never smoked regularly, in a modified Go/NoGo task during which smoking-related CSs, appetitive and neutral pictures, presented either in first or third-person visual perspective were displayed 250 ms before the Go/NoGo cue. We show that smoking-related cues selectively influence early incentive motivation-related attention bias (N2 after picture onset), motor readiness and behavioural inhibition (Go-P3, NoGo-P3 and Pc) of individuals with a smoking habit only when presented from a first-person visual perspective. These data together identify the neural signature of the aberrant engagement of the reflexive and reflective systems during the recruitment of an incentive habit by CSs presented as if they had been response-produced, that is, as conditioned reinforcers.
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Affiliation(s)
- Julien Dampuré
- Facultad de Psicología, Universidad de La Sabana, Chía, Colombia
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna (ULL), Tenerife, Spain
- Faculté de Psychologie, Université Catholique de l'Ouest, 79500, Niort, France
| | - Paola Agudelo-Orjuela
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna (ULL), Tenerife, Spain
- Universidad Externado de Colombia, Bogotá, Colombia
| | - Maartje van der Meij
- Departamento de Psicología Cognitiva, Universidad de La Laguna (ULL), Tenerife, Spain
| | - David Belin
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Horacio A Barber
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna (ULL), Tenerife, Spain
- Departamento de Psicología Cognitiva, Universidad de La Laguna (ULL), Tenerife, Spain
- Basque Center on Cognition, Brain and Language (BCBL), Donostia-San Sebastián, Spain
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8
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Velazquez-Sanchez C, Muresan L, Marti-Prats L, Belin D. The development of compulsive coping behaviour is associated with a downregulation of Arc in a Locus Coeruleus neuronal ensemble. Neuropsychopharmacology 2023; 48:653-663. [PMID: 36635597 PMCID: PMC9938202 DOI: 10.1038/s41386-022-01522-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/14/2022] [Accepted: 12/15/2022] [Indexed: 01/14/2023]
Abstract
Some compulsive disorders have been considered to stem from the loss of control over coping strategies, such as displacement. However, the cellular mechanisms involved in the acquisition of coping behaviours and their subsequent compulsive manifestation in vulnerable individuals have not been elucidated. Considering the role of the locus coeruleus (LC) noradrenaline-dependent system in stress and related excessive behaviours, we hypothesised that neuroplastic changes in the LC may be associated with the acquisition of an adjunctive polydipsic water drinking, a prototypical displacement behaviour, and the ensuing development of compulsion in vulnerable individuals. Thus, male Sprague Dawley rats were characterised for their tendency, or not, to develop compulsive polydipsic drinking in a schedule-induced polydipsia (SIP) procedure before their fresh brains were harvested. A new quantification tool for RNAscope assays revealed that the development of compulsive adjunctive behaviour was associated with a low mRNA copy number of the plasticity marker Arc in the LC which appeared to be driven by specific adaptations in an ensemble of tyrosine hydroxylase (TH)+, zif268- neurons. This ensemble was specifically engaged by the expression of compulsive adjunctive behaviour, not by stress, because its functional recruitment was not observed in individuals that no longer had access to the water bottle before sacrifice, while it consistently correlated with the levels of polydipsic water drinking only when it had become compulsive. Together these findings suggest that downregulation of Arc mRNA levels in a population of a TH+/zif268- LC neurons represents a signature of the tendency to develop compulsive coping behaviours.
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Affiliation(s)
- Clara Velazquez-Sanchez
- CLIC (Cambridge Laboratory for research on Impulsive/Compulsive disorders), Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Leila Muresan
- Cambridge Advanced Imaging Centre, Department of Physiology Development and Neuroscience of the University of Cambridge, Downing Street, Cambridge, CB2 3DY, UK
| | - Lucia Marti-Prats
- CLIC (Cambridge Laboratory for research on Impulsive/Compulsive disorders), Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - David Belin
- CLIC (Cambridge Laboratory for research on Impulsive/Compulsive disorders), Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK.
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9
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Goutaudier R, Joly F, Mallet D, Bartolomucci M, Guicherd D, Carcenac C, Vossier F, Dufourd T, Boulet S, Deransart C, Chovelon B, Carnicella S. Hypodopaminergic state of the nigrostriatal pathway drives compulsive alcohol use. Mol Psychiatry 2023; 28:463-474. [PMID: 36376463 PMCID: PMC9812783 DOI: 10.1038/s41380-022-01848-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022]
Abstract
The neurobiological mechanisms underlying compulsive alcohol use, a cardinal feature of alcohol use disorder, remain elusive. The key modulator of motivational processes, dopamine (DA), is suspected to play an important role in this pathology, but its exact role remains to be determined. Here, we found that rats expressing compulsive-like alcohol use, operationalized as punishment-resistant self-administration, showed a decrease in DA levels restricted to the dorsolateral territories of the striatum, the main output structure of the nigrostriatal DA pathway. We then causally demonstrated that chemogenetic-induced selective hypodopaminergia of this pathway resulted in compulsive-like alcohol self-administration in otherwise resilient rats, accompanied by the emergence of alcohol withdrawal-like motivational impairments (i.e., impaired motivation for a natural reinforcer). Finally, the use of the monoamine stabilizer OSU6162, previously reported to correct hypodopaminergic states, transiently decreased compulsive-like alcohol self-administration in vulnerable rats. These results suggest a potential critical role of tonic nigrostriatal hypodopaminergic states in alcohol addiction and provide new insights into our understanding of the neurobiological mechanisms underlying compulsive alcohol use.
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Affiliation(s)
- Raphaël Goutaudier
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Fanny Joly
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - David Mallet
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Magali Bartolomucci
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, CHU Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Denis Guicherd
- grid.410529.b0000 0001 0792 4829Service de Biochimie, Biologie Moléculaire, Toxicologie Environnementale, CHU de Grenoble-Alpes Site Nord − Institut de Biologie et de Pathologie, F-38041 Grenoble, France
| | - Carole Carcenac
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Frédérique Vossier
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Thibault Dufourd
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Sabrina Boulet
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Colin Deransart
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, CHU Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Benoit Chovelon
- grid.410529.b0000 0001 0792 4829Service de Biochimie, Biologie Moléculaire, Toxicologie Environnementale, CHU de Grenoble-Alpes Site Nord − Institut de Biologie et de Pathologie, F-38041 Grenoble, France ,grid.4444.00000 0001 2112 9282Univ. Grenoble Alpes, CNRS, DPM, 38000 Grenoble, France
| | - Sebastien Carnicella
- Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000, Grenoble, France.
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Jadhav KS, Boury Jamot B, Deroche‐Gamonet V, Belin D, Boutrel B. Towards a machine-learning assisted diagnosis of psychiatric disorders and their operationalization in preclinical research: Evidence from studies on addiction-like behaviour in individual rats. Eur J Neurosci 2022; 56:6069-6083. [PMID: 36215170 PMCID: PMC10092243 DOI: 10.1111/ejn.15839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/14/2022] [Accepted: 10/03/2022] [Indexed: 12/29/2022]
Abstract
Over the last few decades, there has been a progressive transition from a categorical to a dimensional approach to psychiatric disorders. Especially in the case of substance use disorders, interest in the individual vulnerability to transition from controlled to compulsive drug taking warrants the development of novel dimension-based objective stratification tools. Here we drew on a multidimensional preclinical model of addiction, namely the 3-criteria model, previously developed to identify the neurobehavioural basis of the individual's vulnerability to switch from controlled to compulsive drug taking, to test a machine-learning assisted classifier objectively to identify individual subjects as vulnerable/resistant to addiction. Datasets from our previous studies on addiction-like behaviour for cocaine or alcohol were fed into a variety of machine-learning algorithms to develop a classifier that identifies resilient and vulnerable rats with high precision and reproducibility irrespective of the cohort to which they belong. A classifier based on K-median or K-mean-clustering (for cocaine or alcohol, respectively) followed by artificial neural networks emerged as a highly reliable and accurate tool to predict if a single rat is vulnerable/resilient to addiction. Thus, each rat previously characterized as displaying 0-criterion (i.e., resilient) or 3-criteria (i.e., vulnerable) in individual cohorts was correctly labelled by this classifier. The present machine-learning-based classifier objectively labels single individuals as resilient or vulnerable to developing addiction-like behaviour in a multisymptomatic preclinical model of addiction-like behaviour in rats. This novel dimension-based classifier increases the heuristic value of these preclinical models while providing proof of principle to deploy similar tools for the future of diagnosis of psychiatric disorders.
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Affiliation(s)
- Kshitij S. Jadhav
- Center for Psychiatric Neuroscience, Department of PsychiatryLausanne University HospitalLausanneSwitzerland
- Cambridge Laboratory for Research on Impulsive/Compulsive spectrum Disorders (CLIC), Department of PsychologyUniversity of CambridgeCambridgeUK
| | - Benjamin Boury Jamot
- Center for Psychiatric Neuroscience, Department of PsychiatryLausanne University HospitalLausanneSwitzerland
| | | | - David Belin
- Cambridge Laboratory for Research on Impulsive/Compulsive spectrum Disorders (CLIC), Department of PsychologyUniversity of CambridgeCambridgeUK
| | - Benjamin Boutrel
- Center for Psychiatric Neuroscience, Department of PsychiatryLausanne University HospitalLausanneSwitzerland
- Division of Adolescent and Child Psychiatry, Department of PsychiatryLausanne University HospitalLausanneSwitzerland
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Deroche-Gamonet V. Addicted to Habits or to Sense of Control? Biol Psychiatry 2022; 91:1003-1004. [PMID: 35654557 DOI: 10.1016/j.biopsych.2022.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 11/25/2022]
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