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Wolter M, Lapointe T, Baidoo N, Mitchnick KA, Wideman C, Winters BD, Leri F. Double dissociation of perirhinal nicotinic acetylcholine receptors and dopamine D2 receptors in modulation of object memory consolidation by nicotine, cocaine and their conditioned stimuli. Eur Neuropsychopharmacol 2023; 72:50-59. [PMID: 37086715 DOI: 10.1016/j.euroneuro.2023.04.002] [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: 11/30/2022] [Revised: 03/27/2023] [Accepted: 04/03/2023] [Indexed: 04/24/2023]
Abstract
There are indications that drug conditioned stimuli (CS) may activate neurochemical systems of memory modulation that are activated by the drugs themselves. To directly test this hypothesis, a cholinergic nicotinic receptor antagonist (mecamylamine; MEC: 0, 10 or 30 µg/side) and a dopamine D2 receptor antagonist (l-741,626: 0, 0.63, 2.5 µg/side) were infused in the perirhinal cortex (PRh) to block modulation of object recognition memory consolidation induced by 0.4 mg/kg nicotine, 20 mg/kg cocaine, or their CSs. To establish these CSs, male Sprague-Dawley rats were confined for 2 h in a chamber, the CS+, after injections of 0.4 mg/kg nicotine, or 20 mg/kg cocaine, and in another chamber, the CS-, after injections of vehicle. This was repeated over 10 days (5 drug/CS+ and 5 vehicle/CS- pairings in total). It was found that the memory enhancing action of post-sample nicotine was blocked by intra-PRh infusions of both MEC doses, and 30 µg/side MEC also blocked the memory enhancing action of the nicotine CS. Interestingly, intra-PRh MEC did not block the memory enhancing effect of cocaine, nor that of the cocaine CS. In contrast, the memory enhancing action of post-sample cocaine administration was blocked by both l-741,626 doses, and 2.5 µg/side also blocked the effect of the cocaine CS, but not the memory effects of nicotine or of the nicotine CS. This functional double dissociation strongly indicates that drug CSs modulate memory consolidation by activating neural systems that are activated by the drugs themselves.
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Affiliation(s)
- Michael Wolter
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Thomas Lapointe
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Nana Baidoo
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | | | - Cassidy Wideman
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Boyer D Winters
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada
| | - Francesco Leri
- Department of Psychology & Neuroscience Specialization, University of Guelph, ON, N1G 2W1 Canada.
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Namba MD, Tomek SE, Olive MF, Beckmann JS, Gipson CD. The Winding Road to Relapse: Forging a New Understanding of Cue-Induced Reinstatement Models and Their Associated Neural Mechanisms. Front Behav Neurosci 2018; 12:17. [PMID: 29479311 PMCID: PMC5811475 DOI: 10.3389/fnbeh.2018.00017] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 01/22/2018] [Indexed: 12/13/2022] Open
Abstract
In drug addiction, cues previously associated with drug use can produce craving and frequently trigger the resumption of drug taking in individuals vulnerable to relapse. Environmental stimuli associated with drugs or natural reinforcers can become reliably conditioned to increase behavior that was previously reinforced. In preclinical models of addiction, these cues enhance both drug self-administration and reinstatement of drug seeking. In this review, we will dissociate the roles of conditioned stimuli as reinforcers from their modulatory or discriminative functions in producing drug-seeking behavior. As well, we will examine possible differences in neurobiological encoding underlying these functional differences. Specifically, we will discuss how models of drug addiction and relapse should more systematically evaluate these different types of stimuli to better understand the neurobiology underlying craving and relapse. In this way, behavioral and pharmacotherapeutic interventions may be better tailored to promote drug use cessation outcomes and long-term abstinence.
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Affiliation(s)
- Mark D. Namba
- Department of Psychology, Arizona State University, Tempe, AZ, United States
| | - Seven E. Tomek
- Department of Psychology, Arizona State University, Tempe, AZ, United States
| | - M. Foster Olive
- Department of Psychology, Arizona State University, Tempe, AZ, United States
| | - Joshua S. Beckmann
- Department of Psychology, University of Kentucky, Lexington, KY, United States
| | - Cassandra D. Gipson
- Department of Psychology, Arizona State University, Tempe, AZ, United States
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Moro F, Orrù A, Marzo CM, Di Clemente A, Cervo L. mGluR2/3 mediates short-term control of nicotine-seeking by acute systemic N-acetylcysteine. Addict Biol 2018; 23:28-40. [PMID: 27558879 DOI: 10.1111/adb.12443] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Revised: 06/24/2016] [Accepted: 08/01/2016] [Indexed: 12/26/2022]
Abstract
Chronic self-administration of nicotine induces maladaptive changes in the cortico-accumbal glutamate (Glu) network. Consequently, re-exposure to nicotine-associated cues raises extracellular Glu in the nucleus accumbens reinstating drug-seeking. Restoring basal concentrations of extracellular Glu, thereby increasing tonic activation of the presynaptic group II metabotropic Glu receptors (mGluR2/3) with N-acetylcysteine (N-AC), might offer a valid therapeutic approach for maintaining smoking abstinence. Although N-AC modulates nicotine-seeking behavior by drug-associated stimuli in abstinent rats, it is still unclear whether it occurs through activation of mGluR2/3. Male Wistar rats were trained to associate discriminative stimuli (SD s) with the availability of intravenous nicotine (0.03 mg/kg/65 µl/2-second/infusion) or oral saccharin (100 µl of 50 mg/l) self-administration versus non-reward. Reinforced response was followed by a cue signaling 20-second time-out (CSs). Once the training criterion was met, rats underwent lever press extinction, without reinforcers, SD s and CSs. Re-exposure to nicotine or saccharin SD+ /CS+ , but not non-reward SD- /CS- , revived responding on the previously reinforced lever. Acute N-AC, 100 but not 60 or 30 mg/kg i.p., reduced cue-induced nicotine-seeking. N-AC 100 mg/kg did not modify cue-induced saccharin-seeking behavior or influenced locomotor activity. Blocking mGluR2/3 with the selective antagonist LY341495, 1 mg/kg i.p., completely prevented the antirelapse activity of N-AC. The finding that N-AC prevents cue-induced nicotine-seeking by stimulating mGluR2/3 might indicate a therapeutic opportunity for acute cue-controlled nicotine-seeking. Future studies could evaluate the persistent effects of chronic N-AC in promoting enduring suppression of nicotine-cue conditioned responding.
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Affiliation(s)
- Federico Moro
- Experimental Psychopharmacology, Department of Neuroscience; IRCCS-Mario Negri Institute for Pharmacological Research; Italy
| | - Alessandro Orrù
- Experimental Psychopharmacology, Department of Neuroscience; IRCCS-Mario Negri Institute for Pharmacological Research; Italy
| | - Claudio Marcello Marzo
- Experimental Psychopharmacology, Department of Neuroscience; IRCCS-Mario Negri Institute for Pharmacological Research; Italy
| | - Angelo Di Clemente
- Experimental Psychopharmacology, Department of Neuroscience; IRCCS-Mario Negri Institute for Pharmacological Research; Italy
| | - Luigi Cervo
- Experimental Psychopharmacology, Department of Neuroscience; IRCCS-Mario Negri Institute for Pharmacological Research; Italy
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Morales-Rosado JA, Cousin MA, Ebbert JO, Klee EW. A Critical Review of Repurposing Apomorphine for Smoking Cessation. Assay Drug Dev Technol 2015; 13:612-22. [DOI: 10.1089/adt.2015.680] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - Margot A. Cousin
- Mayo Addiction Research Center, Mayo Clinic, Rochester, Minnesota
| | - Jon O. Ebbert
- Mayo Addiction Research Center, Mayo Clinic, Rochester, Minnesota
| | - Eric W. Klee
- Mayo Addiction Research Center, Mayo Clinic, Rochester, Minnesota
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Abstract
The aim of Addiction Biology is to advance our understanding of the action of drugs of abuse and addictive processes via the publication of high-impact clinical and pre-clinical findings resulting from behavioral, molecular, genetic, biochemical, neurobiological and pharmacological research. As of 2013, Addiction Biology is ranked number 1 in the category of Substance Abuse journals (SCI). Occasionally, Addiction Biology likes to highlight via review important findings focused on a particular topic and recently published in the journal. The current review summarizes a number of key publications from Addiction Biology that have contributed to the current knowledge of nicotine research, comprising a wide spectrum of approaches, both clinical and pre-clinical, at the cellular, molecular, systems and behavioral levels. A number of findings from human studies have identified, using imaging techniques, alterations in common brain circuits, as well as morphological and network activity changes, associated with tobacco use. Furthermore, both clinical and pre-clinical studies have characterized a number of mechanistic targets critical to understanding the effects of nicotine and tobacco addiction. Together, these findings will undoubtedly drive future studies examining the dramatic impact of tobacco use and the development of treatments to counter nicotine dependence.
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Affiliation(s)
- Rick E. Bernardi
- Institute of Psychopharmacology; Central Institute of Mental Health; Medical Faculty Mannheim/Heidelberg University; Germany
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Perry CJ, Zbukvic I, Kim JH, Lawrence AJ. Role of cues and contexts on drug-seeking behaviour. Br J Pharmacol 2014; 171:4636-72. [PMID: 24749941 PMCID: PMC4209936 DOI: 10.1111/bph.12735] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 04/04/2014] [Accepted: 04/10/2014] [Indexed: 01/15/2023] Open
Abstract
Environmental stimuli are powerful mediators of craving and relapse in substance-abuse disorders. This review examined how animal models have been used to investigate the cognitive mechanisms through which cues are able to affect drug-seeking behaviour. We address how animal models can describe the way drug-associated cues come to facilitate the development and persistence of drug taking, as well as how these cues are critical to the tendency to relapse that characterizes substance-abuse disorders. Drug-associated cues acquire properties of conditioned reinforcement, incentive motivation and discriminative control, which allow them to influence drug-seeking behaviour. Using these models, researchers have been able to investigate the pharmacology subserving the behavioural impact of environmental stimuli, some of which we highlight. Subsequently, we examine whether the impact of drug-associated stimuli can be attenuated via a process of extinction, and how this question is addressed in the laboratory. We discuss how preclinical research has been translated into behavioural therapies targeting substance abuse, as well as highlight potential developments to therapies that might produce more enduring changes in behaviour.
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Affiliation(s)
- Christina J Perry
- Behavioural Neuroscience Division, The Florey Institute of Neuroscience and Mental HealthParkville, Vic., Australia
- Florey Department of Neuroscience and Mental Health, University of MelbourneParkville, Vic., Australia
| | - Isabel Zbukvic
- Behavioural Neuroscience Division, The Florey Institute of Neuroscience and Mental HealthParkville, Vic., Australia
- Florey Department of Neuroscience and Mental Health, University of MelbourneParkville, Vic., Australia
| | - Jee Hyun Kim
- Behavioural Neuroscience Division, The Florey Institute of Neuroscience and Mental HealthParkville, Vic., Australia
- Florey Department of Neuroscience and Mental Health, University of MelbourneParkville, Vic., Australia
| | - Andrew J Lawrence
- Behavioural Neuroscience Division, The Florey Institute of Neuroscience and Mental HealthParkville, Vic., Australia
- Florey Department of Neuroscience and Mental Health, University of MelbourneParkville, Vic., Australia
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De Santis M, Pan B, Lian J, Huang XF, Deng C. Different effects of Bifeprunox, Aripiprazole, and Haloperidol on body weight gain, food and water intake, and locomotor activity in rats. Pharmacol Biochem Behav 2014; 124:167-73. [DOI: 10.1016/j.pbb.2014.06.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 05/26/2014] [Accepted: 06/07/2014] [Indexed: 11/26/2022]
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Nerdinger S, Laus G, Kahlenberg V, Schottenberger H. Improved Synthesis of Antipsychotic Drug Bifeprunox. HETEROCYCLES 2014. [DOI: 10.3987/com-13-s(s)120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Cervo L, Di Clemente A, Orrù A, Moro F, Cassina C, Pich EM, Corsi M, Gozzi A, Bifone A. Inhibition of glycine transporter-1 reduces cue-induced nicotine-seeking, but does not promote extinction of conditioned nicotine cue responding in the rat. Addict Biol 2013; 18:800-11. [PMID: 23490434 DOI: 10.1111/adb.12049] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Pharmacological stimulation of N-methyl-D-aspartate receptors (NMDAr) could enhance the outcome of cue-exposure therapy for smoking cessation. NMDAr stimulation can be achieved by increasing pharmacologically the synaptic levels of glycine, a necessary co-agonist. Here, we evaluate the effects of SSR504734, a selective inhibitor of glycine type I transporter (GlyT1) in an extinction-reinstatement procedure inducing robust and lasting nicotine-seeking behavior in rats. Male Wistar rats were trained to associate discriminative stimuli (S(D)s) with the availability of nicotine (0.03 mg/kg/65 μL/2 second/infusion) or sucrose (45-mg pellet) versus non-reward in two-lever operant cages. Reinforced response was followed by cue signaling 20-second time-out (CSs). Once the training criterion was met, rats underwent extinction of lever presses, in the absence of reinforcers, S(D) s and CSs. Re-exposure to nicotine or sucrose S(D+)/CS(+), but not non-reward S(D-)/CS(-), revived responding at the previously reinforced lever. Acute pre-treatment with SSR504734 (10 mg/kg i.p.) reduced nicotine-seeking but not sucrose-seeking behavior without influencing rats' locomotor activity. Sub-chronic treatment (10 mg/kg i.p. for 5 days) during daily exposure to S(D+)/CS(+) reduced nicotine-seeking; however, this effect was transient, with return to S(D+)/CS(+) responding at 72 hours. Full recovery to S(D+)/CS(+) responding was observed after 1 month suggesting that SSR504734 sub-acute treatment did not engage the long-term plasticity mechanisms probably involved in nicotine-seeking. In conclusion, GlyT1-inhibitors might offer a therapeutic opportunity for acute cue-controlled nicotine-seeking, but the lack of persistent effects of the sub-chronic treatment associated with nicotine cues exposure suggests that short-term administration of GlyT1-inhibitor SSR504734 is not sufficient to promote extinction of nicotine-cue conditioned responding.
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Affiliation(s)
- Luigi Cervo
- IRCCS-Istituto di Ricerche Farmacologiche Mario Negri; Milan; Italy
| | | | - Alessandro Orrù
- Institute of Translational Pharmacology (C.N.R.); Parco Scientifico e Tecnologico della Sardegna Polaris-Pula (CA); Italy
| | - Federico Moro
- IRCCS-Istituto di Ricerche Farmacologiche Mario Negri; Milan; Italy
| | - Chiara Cassina
- IRCCS-Istituto di Ricerche Farmacologiche Mario Negri; Milan; Italy
| | - Emilio Merlo Pich
- Clinical Imaging, Neuroscience DTA; F. Hoffmann-La Roche Ltd; Basel; Switzerland
| | | | - Alessandro Gozzi
- Center for Neuroscience and Cognitive Systems@UniTn; Istituto Italiano di Tecnologia; Rovereto; Italy
| | - Angelo Bifone
- Center for Neuroscience and Cognitive Systems@UniTn; Istituto Italiano di Tecnologia; Rovereto; Italy
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Region-specific effects on BDNF expression after contingent or non-contingent cocaine i.v. self-administration in rats. Int J Neuropsychopharmacol 2013; 16:913-8. [PMID: 23164369 DOI: 10.1017/s146114571200096x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Brain-derived neurotrophic factor (BDNF) dynamic changes were investigated in the medial prefrontal cortex (mPFC) and nucleus accumbens (NAc) during use and the early phases of cocaine abstinence after 14 sessions (2 h self-administration/d; 0.25 mg/0.1 ml.6 s infusion) by employing a 'yoked control-operant paradigm'. The effect on BDNF was region-specific and dependent on the withdrawal time. In the NAc, BDNF protein levels increased immediately after the last self-administration session, with a larger increase in passively cocaine-exposed rats. In the mPFC, BDNF expression was elevated 24 h after the last self-administration session, independently of how the drug was encountered. No changes were found in NAc and mPFC 7 d after the last self-administration session. Analysis of transcript levels in the mPFC indicated that action on exon I might contribute to BDNF's cortical induction. These findings indicate a finely tuned modulation of BDNF expression during use and early phases of cocaine abstinence.
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Cariprazine (RGH-188), a D₃-preferring dopamine D₃/D₂ receptor partial agonist antipsychotic candidate demonstrates anti-abuse potential in rats. Psychopharmacology (Berl) 2013; 226:285-93. [PMID: 23138433 DOI: 10.1007/s00213-012-2906-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Accepted: 10/07/2012] [Indexed: 10/27/2022]
Abstract
RATIONALE Cariprazine (RGH-188) is a D₃-preferring dopamine D₃/D₂ receptor partial agonist antipsychotic candidate for the treatment of schizophrenia and bipolar mania. Substance abuse is a frequent comorbidity of both disorders and is associated with serious health issues. Based on preclinical efficacy, dopamine D₂ and D₃ receptor partial agonists and antagonists are assumed to have relapse-preventing potential in human cocaine addiction. OBJECTIVES We investigated the anti-abuse potential of cariprazine in cocaine self-administration paradigms. Aripiprazole and bifeprunox were used as comparators because of their pharmacological similarity to cariprazine. METHODS The effects of compounds on cocaine's rewarding effect were investigated in a continuous self-administration regimen. The relapse-preventing potential of drugs was studied in rats with a history of cocaine self-administration after a period of complete abstinence in a relapse to cocaine-seeking paradigm. RESULTS Cariprazine, as well as aripiprazole and bifeprunox, were able to reduce the rewarding effect of cocaine (minimum effective doses were 0.17, 1, and 0.1 mg/kg, respectively) and attenuated relapse to cocaine seeking with half maximal effective dose [ED₅₀] values of 0.2, 4.2, and 0.17 mg/kg, respectively. CONCLUSIONS These results may predict a relapse-preventing action for cariprazine in humans in addition to its already established antipsychotic and antimanic efficacy.
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