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Ávila-Gámiz F, Pérez-Cano AM, Pérez-Berlanga JM, Zambrana-Infantes EN, Mañas-Padilla MC, Gil-Rodríguez S, Tronel S, Santín LJ, Ladrón de Guevara-Miranda D. Sequential physical and cognitive training disrupts cocaine-context associations via multi-level stimulation of adult hippocampal neurogenesis. Prog Neuropsychopharmacol Biol Psychiatry 2024; 136:111148. [PMID: 39284561 DOI: 10.1016/j.pnpbp.2024.111148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 09/02/2024] [Accepted: 09/13/2024] [Indexed: 09/20/2024]
Abstract
Cocaine-related contextual cues are a recurrent source of craving and relapse. Extinction of cue-driven cocaine seeking remains a clinical challenge, and the search for adjuvants is ongoing. In this regard, combining physical and cognitive training is emerging as a promising strategy that has shown synergistic benefits on brain structure and function, including enhancement of adult hippocampal neurogenesis (AHN), which has been recently linked to reduced maintenance of maladaptive drug seeking. Here, we examined whether this behavioral approach disrupts cocaine-context associations via improved AHN. To this aim, C57BL/6J mice (N = 37) developed a cocaine-induced conditioned place preference (CPP) and underwent interventions consisting of exercise and/or spatial working memory training. Bromodeoxyuridine (BrdU) was administered during early running sessions to tag a subset of new dentate granule cells (DGCs) reaching a critical window of survival during spatial learning. Once these DGCs became functionally mature (∼ 6 weeks-old), mice received extinction training before testing CPP extinction and reinstatement. We found that single and combined treatments accelerated CPP extinction and prevented reinstatement induced by a low cocaine priming (2 mg/kg). Remarkably, the dual-intervention mice showed a significant decrease of CPP after extinction relative to untreated animals. Moreover, combining the two strategies led to increased number and functional integration of BrdU+ DGCs, which in turn maximized the effect of spatial training (but not exercise) to reduce CPP persistence. Together, our findings suggests that sequencing physical and cognitive training may redound to decreased maintenance of cocaine-context associations, with multi-level stimulation of AHN as a potential underlying mechanism.
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Affiliation(s)
- Fabiola Ávila-Gámiz
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain
| | - Ana M Pérez-Cano
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain
| | - José Manuel Pérez-Berlanga
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain
| | - Emma N Zambrana-Infantes
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain
| | - M Carmen Mañas-Padilla
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain
| | - Sara Gil-Rodríguez
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain
| | - Sophie Tronel
- University of Bordeaux, INSERM, Magendie, U1215, F-33000 Bordeaux, France
| | - Luis J Santín
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain.
| | - David Ladrón de Guevara-Miranda
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain; Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Spain.
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2
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Rakela S, Sortman BW, Gobin C, Hao S, Caceres-Brun D, Warren BL. Self-administration acquisition latency predicts locomotor sensitivity to cocaine in male rats. Behav Brain Res 2024; 473:115170. [PMID: 39084564 DOI: 10.1016/j.bbr.2024.115170] [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: 05/31/2024] [Revised: 07/19/2024] [Accepted: 07/27/2024] [Indexed: 08/02/2024]
Abstract
Individual differences in drug use emerge soon after initial exposure, and only a fraction of individuals who initiate drug use go on to develop a substance use disorder. Variability in vulnerability to establishing drug self-administration behavior is also evident in preclinical rodent models. Latent characteristics that underlie this variability and the relationship between early drug use patterns and later use remain unclear. Here, we attempt to determine whether propensity to establish cocaine self-administration is related to subsequent cocaine self-administration behavior in male Sprague-Dawley rats (n = 14). Prior to initiating training, we evaluated basal locomotor and anxiety-like behavior in a novel open field test. We then trained rats to self-administer cocaine in daily 3 h cocaine (0.75 mg/kg/infusion) self-administration sessions until acquisition criteria (≥30 active lever presses with ≥70 % responding on the active lever in one session) was met and divided rats into Early and Late groups by median-split analysis based on their latency to meet acquisition criteria. After each rat met acquisition criteria, we gave them 10 additional daily cocaine self-administration sessions. We then conducted a progressive ratio, cocaine-induced locomotor sensitivity test, and non-reinforced cocaine seeking test after two weeks of forced abstinence. Early Learners exhibited significantly less locomotion after an acute injection of cocaine, but the groups did not differ in any other behavioral parameter examined. These results indicate that cocaine self-administration acquisition latency is not predictive of subsequent drug-taking behavior, but may be linked to physiological factors like drug sensitivity that can predispose rats to learn the operant task.
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Affiliation(s)
- Samantha Rakela
- Department of Pharmacodynamics, University of Florida, 1345 Center Dr., Gainesville, FL 32610, United States
| | - Bo W Sortman
- Department of Pharmacodynamics, University of Florida, 1345 Center Dr., Gainesville, FL 32610, United States
| | - Christina Gobin
- Department of Pharmacodynamics, University of Florida, 1345 Center Dr., Gainesville, FL 32610, United States
| | - Sophie Hao
- Department of Pharmacodynamics, University of Florida, 1345 Center Dr., Gainesville, FL 32610, United States
| | - Delfina Caceres-Brun
- Department of Pharmacodynamics, University of Florida, 1345 Center Dr., Gainesville, FL 32610, United States.
| | - Brandon L Warren
- Department of Pharmacodynamics, University of Florida, 1345 Center Dr., Gainesville, FL 32610, United States
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3
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Ygael N, Zangen A. Modulation of Alcohol Use Disorder by Brain Stimulation. Curr Top Behav Neurosci 2024. [PMID: 39039357 DOI: 10.1007/7854_2024_487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Currently available therapeutic modalities for alcohol use disorder (AUD) produce limited effect sizes or long-term compliance. Recent methods that were developed to modulate brain activity represent potential novel treatment options. Various methods of brain stimulation, when applied repeatedly, can induce long-term neurobiological, behavioral, and cognitive modifications. Recent studies in alcoholic subjects indicate the potential of brain stimulation methods to reduce alcohol craving, consumption, and relapse. Specifically, deep brain stimulation (DBS) of the nucleus accumbens or non-surgical stimulation of the dorsolateral prefrontal cortex (PFC) or medial PFC and anterior cingulate cortex using transcranial magnetic stimulation (TMS) has shown clinical benefit. However, further preclinical and clinical research is needed to establish understanding of mechanisms and the treatment protocols of brain stimulation for AUD. While efforts to design comparable apparatus in rodents continue, preclinical studies can be used to examine targets for DBS protocols, or to administer temporal patterns of pulsus similar to those used for TMS, to more superficial targets through implanted electrodes. The clinical field will benefit from studies with larger sample sizes, higher numbers of stimulation sessions, maintenance sessions, and long follow-up periods. The effect of symptoms provocation before and during stimulation should be further studied. Larger studies may have the power to explore predictive factors for the clinical outcome and thereby to optimize patient selection and eventually even develop personalization of the stimulation parameters.
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Affiliation(s)
- Noam Ygael
- Department of Life Science and the Zelman Neuroscience Center, Ben-Gurion University, Beer Sheva, Israel
| | - Abraham Zangen
- Department of Life Science and the Zelman Neuroscience Center, Ben-Gurion University, Beer Sheva, Israel.
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4
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Manza P, Tomasi D, Vines L, Sotelo D, Yonga MV, Wang GJ, Volkow ND. Brain connectivity changes to fast versus slow dopamine increases. Neuropsychopharmacology 2024; 49:924-932. [PMID: 38326458 PMCID: PMC11039764 DOI: 10.1038/s41386-024-01803-8] [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: 11/07/2023] [Revised: 01/03/2024] [Accepted: 01/11/2024] [Indexed: 02/09/2024]
Abstract
The rewarding effects of stimulant drugs such as methylphenidate (MP) depend crucially on how fast they raise dopamine in the brain. Yet how the rate of drug-induced dopamine increases impacts brain network communication remains unresolved. We manipulated route of MP administration to generate fast versus slow dopamine increases. We hypothesized that fast versus slow dopamine increases would result in a differential pattern of global brain connectivity (GBC) in association with regional levels of dopamine D1 receptors, which are critical for drug reward. Twenty healthy adults received MP intravenously (0.5 mg/kg; fast dopamine increases) and orally (60 mg; slow dopamine increases) during simultaneous [11C]raclopride PET-fMRI scans (double-blind, placebo-controlled). We tested how GBC was temporally associated with slow and fast dopamine increases on a minute-to-minute basis. Connectivity patterns were strikingly different for slow versus fast dopamine increases, and whole-brain spatial patterns were negatively correlated with one another (rho = -0.54, pspin < 0.001). GBC showed "fast>slow" associations in dorsal prefrontal cortex, insula, posterior thalamus and brainstem, caudate and precuneus; and "slow>fast" associations in ventral striatum, orbitofrontal cortex, and frontopolar cortex (pFDR < 0.05). "Fast>slow" GBC patterns showed significant spatial correspondence with D1 receptor availability (estimated via normative maps of [11C]SCH23390 binding; rho = 0.22, pspin < 0.05). Further, hippocampal GBC to fast dopamine increases was significantly negatively correlated with self-reported 'high' ratings to intravenous MP across individuals (r(19) = -0.68, pbonferroni = 0.015). Different routes of MP administration produce divergent patterns of brain connectivity. Fast dopamine increases are uniquely associated with connectivity patterns that have relevance for the subjective experience of drug reward.
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Affiliation(s)
- Peter Manza
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA.
| | - Dardo Tomasi
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Leah Vines
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Diana Sotelo
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Michele-Vera Yonga
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Gene-Jack Wang
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Nora D Volkow
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA.
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5
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Martínez-Rivera FJ, Holt LM, Minier-Toribio A, Estill M, Yeh SY, Tofani S, Futamura R, Browne CJ, Mews P, Shen L, Nestler EJ. Transcriptional characterization of cocaine withdrawal versus extinction within nucleus accumbens. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.12.584637. [PMID: 38559084 PMCID: PMC10980003 DOI: 10.1101/2024.03.12.584637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Substance use disorder is characterized by a maladaptive imbalance wherein drug seeking persists despite negative consequences or drug unavailability. This imbalance correlates with neurobiological alterations some of which are amplified during forced abstinence, thereby compromising the capacity of extinction-based approaches to prevent relapse. Cocaine use disorder (CUD) exemplifies this phenomenon in which neurobiological modifications hijack brain reward regions such as the nucleus accumbens (NAc) to manifest craving and withdrawal-like symptoms. While increasing evidence links transcriptional changes in the NAc to specific phases of addiction, genome-wide changes in gene expression during withdrawal vs. extinction (WD/Ext) have not been examined in a context- and NAc-subregion-specific manner. Here, we used cocaine self-administration (SA) in rats combined with RNA-sequencing (RNA-seq) of NAc subregions (core and shell) to transcriptionally profile the impact of experiencing withdrawal in the home cage or in the previous drug context or experiencing extinction training. As expected, home-cage withdrawal maintained drug seeking in the previous drug context, whereas extinction training reduced it. By contrast, withdrawal involving repetitive exposure to the previous drug context increased drug-seeking behavior. Bioinformatic analyses of RNA-seq data revealed gene expression patterns, networks, motifs, and biological functions specific to these behavioral conditions and NAc subregions. Comparing transcriptomic analysis of the NAc of patients with CUD highlighted conserved gene signatures, especially with rats that were repetitively exposed to the previous drug context. Collectively, these behavioral and transcriptional correlates of several withdrawal-extinction settings reveal fundamental and translational information about potential molecular mechanisms to attenuate drug-associated memories.
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Schafer KM, Wilson-Lemoine E, Campione M, Dougherty S, Melia R, Joiner T. Loneliness partially mediates the relation between substance use and suicidality in Veterans. MILITARY PSYCHOLOGY 2024:1-10. [PMID: 38294712 DOI: 10.1080/08995605.2024.2307669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 01/10/2024] [Indexed: 02/01/2024]
Abstract
America has experienced a rapid increase in loneliness, substance use, and suicidality. This increase is particularly deleterious for Veterans, who, as compared to nonmilitary-connected civilians, experience elevated rates of loneliness, substance use, and suicidality. In this project we investigated the link between loneliness, substance use, and suicidality, paying particular attention to the mediational role of loneliness between substance use and suicidality. 1,469 Veterans (male, n = 1004, 67.2%; female, n = 457, 32.3%; transgender/non-binary/prefer not to say, n = 8, 0.5%) answered online surveys in the Mental Health and Well-Being Project. Items assessed participants on psychosocial antecedents of health and wellness. Pearson correlations and mediational models were used to determine if loneliness, substance use, and suicidality were related and if loneliness mediated the link between substance use and suicidality. Results indicated that loneliness, substance use, and suicidality were significantly and positively related (rs = .33-.42, ps < .01). Additionally, loneliness partially mediated the link between substance use and suicidality (β = .08 [.06-.10]), suggesting that, within the context of substance use in Veterans, loneliness may account for significant variance in suicidality. Together findings suggest the Veterans Health Administration should support, fund, and study community engagement activities that could reduce the development or intensity of substance use, loneliness, and suicidality in Veterans.
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Affiliation(s)
- Katherine Musacchio Schafer
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee
- GRECC Geriatric Research Education and Clinical Center (GRECC), Tennessee Valley Healthcare System, Nashville, Tennessee
| | - Emma Wilson-Lemoine
- Department of Psychology, Florida State University, Tallahassee, Florida, USA
- Department of Psychology, Kings College, London, UK
| | - Marie Campione
- Department of Psychology, Florida State University, Tallahassee, Florida, USA
| | - Sean Dougherty
- Department of Psychology, Florida State University, Tallahassee, Florida, USA
| | - Ruth Melia
- Department of Psychology, Florida State University, Tallahassee, Florida, USA
- Department of Psychology, University of Limerick, Limerick, Ireland
| | - Thomas Joiner
- Department of Psychology, Florida State University, Tallahassee, Florida, USA
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Manza P, Tomasi D, Shokri-Kojori E, Zhang R, Kroll D, Feldman D, McPherson K, Biesecker C, Dennis E, Johnson A, Yuan K, Wang WT, Yonga MV, Wang GJ, Volkow ND. Neural circuit selective for fast but not slow dopamine increases in drug reward. Nat Commun 2023; 14:6408. [PMID: 37938560 PMCID: PMC10632365 DOI: 10.1038/s41467-023-41972-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 09/20/2023] [Indexed: 11/09/2023] Open
Abstract
The faster a drug enters the brain, the greater its addictive potential, yet the brain circuits underlying the rate dependency to drug reward remain unresolved. With simultaneous PET-fMRI we linked dynamics of dopamine signaling, brain activity/connectivity, and self-reported 'high' in 20 adults receiving methylphenidate orally (results in slow delivery) and intravenously (results in fast delivery) (trial NCT03326245). We estimated speed of striatal dopamine increases to oral and IV methylphenidate and then tested where brain activity was associated with slow and fast dopamine dynamics (primary endpoint). We then tested whether these brain circuits were temporally associated with individual 'high' ratings to methylphenidate (secondary endpoint). A corticostriatal circuit comprising the dorsal anterior cingulate cortex and insula and their connections with dorsal caudate was activated by fast (but not slow) dopamine increases and paralleled 'high' ratings. These data provide evidence in humans for a link between dACC/insula activation and fast but not slow dopamine increases and document a critical role of the salience network in drug reward.
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Affiliation(s)
- Peter Manza
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA.
| | - Dardo Tomasi
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Ehsan Shokri-Kojori
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Rui Zhang
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Danielle Kroll
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Dana Feldman
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Katherine McPherson
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Catherine Biesecker
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Evan Dennis
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Allison Johnson
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Kai Yuan
- School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, 710071, PR China
| | - Wen-Tung Wang
- Radiology and Imaging Sciences, Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Michele-Vera Yonga
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Gene-Jack Wang
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Nora D Volkow
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA.
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Luo M, Gan Q, Fu Y, Chen Z. Cue-reactivity targeted smoking cessation intervention in individuals with tobacco use disorder: a scoping review. Front Psychiatry 2023; 14:1167283. [PMID: 37743997 PMCID: PMC10512743 DOI: 10.3389/fpsyt.2023.1167283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Objectives Cue-reactivity is a critical step leading to the emergence of addictive psychology and the triggering of addictive behaviors within the framework of addiction theory and is considered a significant risk factor for addiction-related behaviors. However, the effect of cue-reactivity targeted smoking cessation intervention and the cue-reactivity paradigms used in the randomized controlled trials varies, which introduces more heterogeneity and makes a side-by-side comparison of cessation responses difficult. Therefore, the scoping review aims to integrate existing research and identify evidence gaps. Methods We searched databases in English (PubMed and Embase) and Chinese (CNKI and Wanfang) using terms synonymous with 'cue' and 'tobacco use disorder (TUD)' to April 2023, and via hand-searching and reference screening of included studies. Studies were included if they were randomized controlled trials taking cue-reactivity as an indicator for tobacco use disorder (TUD) defined by different kinds of criteria. Results Data were extracted on each study's country, population, methods, timeframes, outcomes, cue-reactivity paradigms, and so on. Of the 2,944 literature were retrieved, 201 studies met the criteria and were selected for full-text screening. Finally, 67 pieces of literature were selected for inclusion and data extraction. The results mainly revealed that non-invasive brain stimulation and exercise therapy showed a trend of greater possibility in reducing subjective craving compared to the remaining therapies, despite variations in the number of research studies conducted in each category. And cue-reactivity paradigms vary in materials and mainly fall into two main categories: behaviorally induced craving paradigm or visually induced craving paradigm. Conclusion The current studies are still inadequate in terms of comparability due to their heterogeneity, cue-reactivity can be conducted in the future by constructing a standard library of smoking cue materials. Causal analysis is suggested in order to adequately screen for causes of addiction persistence, and further explore the specific objective cue-reactivity-related indicators of TUD.
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Affiliation(s)
- Miaoling Luo
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Quan Gan
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
- Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Yu Fu
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Zhuangfei Chen
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
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9
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Pasqualitto F, Panin F, Maidhof C, Thompson N, Fachner J. Neuroplastic Changes in Addiction Memory-How Music Therapy and Music-Based Intervention May Reduce Craving: A Narrative Review. Brain Sci 2023; 13:259. [PMID: 36831802 PMCID: PMC9953876 DOI: 10.3390/brainsci13020259] [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: 12/19/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Recent findings indicate that Music Therapy (MT) and Music-Based Interventions (MBIs) may reduce craving symptoms in people with Substance Use Disorders (SUD). However, MT/MBIs can lead SUD clients to recall memories associated with their drug history and the corresponding strong emotions (addiction memories). Craving is a central component of SUD, possibly linked to relapse and triggered by several factors such as the recall of memories associated with the drug experience. Therefore, to address the topic of what elements can account for an improvement in craving symptoms after MT/MBIs, we conducted a narrative review that (1) describes the brain correlates of emotionally salient autobiographical memories evoked by music, (2) outlines neuroimaging and neurophysiological studies suggesting how the experience of craving may encompass the recall of emotionally filled moments, and (3) points out the role of perineuronal nets (PNNs) in addiction memory neuroplasticity. We highlight how autobiographical memory retrieval, music-evoked autobiographical memories, and craving share similar neural activations with PNNs which represent a causal element in the processing of addiction memory. We finally conclude by considering how the neuroplastic characteristics of addiction memory might represent the ground to update and/or recalibrate, within the therapy, the emotional content related to the recall.
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Affiliation(s)
- Filippo Pasqualitto
- Cambridge Institute for Music Therapy Research, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Francesca Panin
- School of Life Sciences, Faculty of Science and Engineering, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Clemens Maidhof
- Cambridge Institute for Music Therapy Research, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Naomi Thompson
- Cambridge Institute for Music Therapy Research, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Jörg Fachner
- Cambridge Institute for Music Therapy Research, Anglia Ruskin University, Cambridge CB1 1PT, UK
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10
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Tyler RE, Bluitt MN, Van Voorhies K, Ornelas LC, Weinberg BZS, Besheer J. Predator odor (TMT) exposure potentiates interoceptive sensitivity to alcohol and increases GABAergic gene expression in the anterior insular cortex and nucleus accumbens in male rats. Alcohol 2022; 104:1-11. [PMID: 36150613 PMCID: PMC9733390 DOI: 10.1016/j.alcohol.2022.07.002] [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: 02/17/2022] [Revised: 06/03/2022] [Accepted: 07/06/2022] [Indexed: 01/26/2023]
Abstract
Post-traumatic stress disorder (PTSD) confers enhanced vulnerability to developing comorbid alcohol use disorder (AUD). Exposure to the scent of a predator, such as the fox odor TMT, has been used to model a traumatic stressor with relevance to PTSD symptomatology. Alcohol produces distinct interoceptive (subjective) effects that may influence vulnerability to problem drinking and AUD. As such, understanding the lasting impact of stressors on sensitivity to the interoceptive effects of alcohol is clinically relevant. The present study used a 2-lever, operant drug discrimination procedure to train male Long-Evans rats to discriminate the interoceptive effects of alcohol (2 g/kg, i.g. [intragastrically]) from water. Upon stable performance, rats underwent a 15-min exposure to TMT. Two weeks later, an alcohol dose-response curve was conducted to evaluate the lasting effects of the TMT stressor on the interoceptive effects of alcohol. The TMT group showed a leftward shift in the effective dose (ED50) of the dose-response curve compared to controls, reflecting potentiated interoceptive sensitivity to alcohol. TMT exposure did not affect response rate. GABAergic signaling in both the anterior insular cortex (aIC) and the nucleus accumbens (Acb) is involved in the interoceptive effects of alcohol and stressor-induced adaptations. As such, follow-up experiments in alcohol-naïve rats examined neuronal activation (as measured by c-Fos immunoreactivity) following TMT and showed that TMT exposure increased c-Fos expression in the aIC and the nucleus accumbens core (AcbC). Two weeks after TMT exposure, Gad-1 gene expression was elevated in the aIC and Gat-1 was increased in the Acb, compared to controls. Lastly, the alcohol discrimination and alcohol-naïve groups displayed dramatic differences in stress reactive behaviors during the TMT exposure, suggesting that alcohol exposure may alter the behavioral response to predator odor. Together, these data suggest that predator odor stressor results in potentiated sensitivity to alcohol, possibly through GABAergic adaptations in the aIC and Acb, which may be relevant to understanding PTSD-AUD comorbidity.
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Affiliation(s)
- Ryan E Tyler
- Neuroscience Curriculum, School of Medicine, University of North Carolina - Chapel Hill, Chapel Hill, NC, United States; Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Maya N Bluitt
- Neuroscience Curriculum, School of Medicine, University of North Carolina - Chapel Hill, Chapel Hill, NC, United States; Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Kalynn Van Voorhies
- Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Laura C Ornelas
- Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Benjamin Z S Weinberg
- Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Joyce Besheer
- Neuroscience Curriculum, School of Medicine, University of North Carolina - Chapel Hill, Chapel Hill, NC, United States; Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill, NC, United States; Department of Psychiatry, School of Medicine, University of North Carolina - Chapel Hill, Chapel Hill, NC, United States.
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11
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Zhang Y, Li H, Hu T, Zhao Z, Liu Q, Li H. Disrupting reconsolidation by PKA inhibitor in BLA reduces heroin-seeking behavior. Front Cell Neurosci 2022; 16:996379. [PMID: 36106011 PMCID: PMC9464818 DOI: 10.3389/fncel.2022.996379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Drug abuse is considered a maladaptive pathology of emotional memory and is associated with craving and relapse induced by drug-associated stimuli or drugs. Reconsolidation is an independent memory process with a strict time window followed by the reactivation of drug-associated stimulus depending on the basolateral amygdala (BLA). Pharmacology or behavior treatment that disrupts the reconsolidation can effectively attenuate drug-seeking in addicts. Here, we hypothesized that heroin-memory reconsolidation requires cAMP-dependent protein kinase A (PKA) of BLA based on the fundamental effect of PKA in synaptic plasticity and memory process. After 10 days of acquisition, the rats underwent 11 days of extinction training and then received the intra-BLA infusions of the PKA inhibitor Rp-cAMPS at different time windows with/without a reactivation session. The results show that PKA inhibitor treatment in the reconsolidation time window disrupts the reconsolidation and consequently reduces cue-induced reinstatement, heroin-induced reinstatement, and spontaneous recovery of heroin-seeking behavior in the rats. In contrast, there was no effect on cue-induced reinstatement in the intra-BLA infusion of PKA inhibitor 6 h after reactivation or without reactivation. These data suggest that PKA inhibition disrupts the reconsolidation of heroin-associated memory, reduces subsequent drug seeking, and prevents relapse, which is retrieval-dependent, time-limited, and BLA-dependent.
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Affiliation(s)
- Yanghui Zhang
- Center of Medical Genetics, Jiangmen Maternity and Child Health Care Hospital, Jiangmen, China
| | - Haoxian Li
- Center of Medical Genetics, Jiangmen Maternity and Child Health Care Hospital, Jiangmen, China
| | - Ting Hu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
| | - Zijin Zhao
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
| | - Qing Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
| | - Haoyu Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
- *Correspondence: Haoyu Li
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12
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Che X, Bai Y, Cai J, Liu Y, Li Y, Yin M, Xu T, Wu C, Yang J. Hippocampal neurogenesis interferes with extinction and reinstatement of methamphetamine-associated reward memory in mice. Neuropharmacology 2021; 196:108717. [PMID: 34273388 DOI: 10.1016/j.neuropharm.2021.108717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 06/30/2021] [Accepted: 07/11/2021] [Indexed: 12/16/2022]
Abstract
Drugs of abuse, including morphine and cocaine, can reduce hippocampal neurogenesis (HN). Whereas promotion of HN is being increasingly recognized as a promising strategy for treating morphine and cocaine addiction. The present study is focused on exploring the changes of HN during methamphetamine (METH) administration and further clarify if HN is involved in METH-associated reward memory. After successfully establishing the conditioned place preference (CPP) paradigm to simulate the METH-associated reward memory in C57BL/6 mice, we observed that HN was significantly inhibited during METH (2 mg/kg, i. p.) administration and returned to normal after the extinction of METH CPP, as indicated by the immunostaining of bromodeoxyuridine (BrdU) and doublecortin (DCX) in the hippocampus. To promote/inhibit HN levels, 7,8-dihydroxyflavone (DHF), a small tyrosine kinase receptor B (TrkB) agonist and temozolomide (TMZ), an alkylating agent, were administered intraperitoneally (i.p.), respectively. The data showed that either DHF (5 mg/kg, i. p.) or TMZ (25 mg/kg, i. p.) pre-treatment before METH administration could significantly prolong extinction and enhance reinstatement of the reward memory. Notably, DHF treatment after METH administration significantly facilitated extinction and inhibited METH reinstatement, while TMZ treatment resulted in opposite effects. The present study indicated that METH administration could induce a temporal inhibitory effect on HN. More importantly, promotion of HN after the acquisition of METH-associated reward memory, but not inhibition of HN or promotion of HN before the acquisition of reward memory, could facilitate METH extinction and inhibit METH reinstatement, indicating the beneficial effect of HN on METH addiction by erasing the according reward memory.
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Affiliation(s)
- Xiaohang Che
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Yijun Bai
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Jialing Cai
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Yueyang Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Yuting Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Meixue Yin
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Tianyu Xu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Chunfu Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
| | - Jingyu Yang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
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13
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Randall PA, Lovelock DF, VanVoorhies K, Agan VE, Kash TL, Besheer J. Low-dose alcohol: Interoceptive and molecular effects and the role of dentate gyrus in rats. Addict Biol 2021; 26:e12965. [PMID: 33015936 DOI: 10.1111/adb.12965] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/20/2020] [Accepted: 08/25/2020] [Indexed: 01/24/2023]
Abstract
Alcohol abuse and dependence are world-wide health problems. Most research on alcohol use focuses on the consequences of moderate to high levels of alcohol. However, even at low concentrations, alcohol is capable of producing effects in the brain that can ultimately affect behavior. The current studies seek to understand the effects of low-dose alcohol (blood alcohol levels of ≤10mM). To do so, these experiments utilize a combination of behavioral and molecular techniques to (1) assess the ability of the interoceptive effects of a low dose of alcohol to gain control over goal-tracking behavior in a Pavlovian discrimination task, (2) determine brain regional differences in cellular activity via expression of immediate early genes (IEGs), and (3) assess the role of the dentate gyrus in modulating sensitivity to the interoceptive effects of a low dose of alcohol. Here, we show that intragastric administration of a dose of 0.8 g/kg alcohol produces blood alcohol levels ≤10mM in both male and female Long-Evans rats and can readily be trained as a Pavlovian interoceptive drug cue. In rats trained on this procedure, this dose of alcohol also modulates expression of the IEGs c-Fos and Arc in brain regions known to modulate expression of alcohol interoceptive effects. Finally, pharmacological inactivation of the dentate gyrus with GABA agonists baclofen and muscimol disrupted the ability of a low dose of alcohol to serve as an interoceptive cue. Together, these findings demonstrate behavioral and molecular consequences of low-dose alcohol.
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Affiliation(s)
- Patrick A. Randall
- Department of Anesthesiology and Perioperative Medicine Penn State College of Medicine Hershey Pennsylvania USA
- Department of Pharmacology Penn State College of Medicine Hershey Pennsylvania USA
| | - Dennis F. Lovelock
- Bowles Center for Alcohol Studies University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
| | - Kalynn VanVoorhies
- Bowles Center for Alcohol Studies University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
| | - Verda E. Agan
- Bowles Center for Alcohol Studies University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
| | - Thomas L. Kash
- Bowles Center for Alcohol Studies University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
- Department of Pharmacology University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
| | - Joyce Besheer
- Bowles Center for Alcohol Studies University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
- Department of Psychiatry University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
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14
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Lutz JA, Childs E. Alcohol conditioned contexts enhance positive subjective alcohol effects and consumption. Behav Processes 2021; 187:104340. [PMID: 33545315 DOI: 10.1016/j.beproc.2021.104340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 06/15/2020] [Accepted: 01/26/2021] [Indexed: 10/22/2022]
Abstract
Associations between alcohol and the places it is consumed are important at all stages of alcohol abuse and addiction. However, it is not clear how the associations are formed in humans or how they influence drinking, and there are few effective strategies to prevent their pathological effects on alcohol use. We used a human laboratory model to study the effects of alcohol environments on alcohol consumption. Healthy regular binge drinkers completed conditioned place preference (CPP) with 0 vs. 80 mg/100 mL alcohol (Paired Group). Control participants (Unpaired Group) completed sessions without explicit alcohol-room pairings. After conditioning, participants completed alcohol self-administration in either the alcohol- or no alcohol-paired room. Paired group participants reported greater subjective stimulation and euphoria, and consumed more alcohol in the alcohol-paired room in comparison to the no alcohol-paired room, and controls tested in either room. Moreover, the strength of conditioning significantly predicted drinking; participants who exhibited the strongest CPP consumed the most alcohol in the alcohol-paired room. This is the first empirical evidence that laboratory-conditioned alcohol environments directly influence drinking. The results also confirm the viability of the model to examine the mechanisms by which alcohol environments stimulate drinking and to test strategies to counteract their influence on behavior.
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Affiliation(s)
- Joseph A Lutz
- University of Illinois at Chicago, Department of Psychiatry, 1601 W Taylor St MC912, Chicago, IL, 60612, USA
| | - Emma Childs
- University of Illinois at Chicago, Department of Psychiatry, 1601 W Taylor St MC912, Chicago, IL, 60612, USA; University of Chicago, Department of Psychiatry and Behavioral Neuroscience, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA.
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15
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Montanari C, Secci ME, Driskell A, McDonald KO, Schratz CL, Gilpin NW. Chronic nicotine increases alcohol self-administration in adult male Wistar rats. Psychopharmacology (Berl) 2021; 238:201-213. [PMID: 33000333 PMCID: PMC7796964 DOI: 10.1007/s00213-020-05669-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/21/2020] [Indexed: 12/25/2022]
Abstract
RATIONALE Alcohol and nicotine co-dependence is common in humans, and nicotine increases alcohol drinking in humans without alcohol use disorder (AUD). Nevertheless, there is little basic research on the interactions between the reinforcing effects of these two drugs. OBJECTIVES The aim of this study was to investigate the effects of chronic nicotine injections on oral alcohol self-administration in alcohol non-dependent rats. METHODS After stable alcohol self-administration was reached (baseline) and a period without alcohol access, adult male rats were treated with chronic nicotine or saline injections for 105 days during which time they were tested intermittently for alcohol self-administration. There were 3 experimental groups: (1) saline, rats treated with saline for 105 days; (2) early nicotine, rats treated with nicotine for 70 days, and then with saline for 35 days; and (3) late nicotine: rats treated with saline for 35 days, and then with nicotine for 70 days. RESULTS Our results indicate that (1) chronic nicotine increases alcohol consumption regardless of whether exposure to alcohol was interrupted (early nicotine) or not (late nicotine) before the start of nicotine treatment, (2) the number of alcohol reinforcements correlates to blood-alcohol levels, and (3) alcohol self-administration rapidly decreases when nicotine is no longer available (early nicotine). CONCLUSIONS These discoveries may have clinical implications in social drinkers that use nicotine products, in that chronic nicotine can escalate alcohol drinking and cessation of nicotine exposure may decrease alcohol use.
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Affiliation(s)
- Christian Montanari
- Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA, 70112, USA.
| | - Maria E Secci
- Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
| | - Ashlyn Driskell
- Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
| | - Katherine O McDonald
- Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
| | - Connor L Schratz
- Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
| | - Nicholas W Gilpin
- Department of Physiology, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA.,Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA.,Alcohol & Drug Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA.,Southeast Louisiana VA Healthcare System (SLVHCS), New Orleans, LA, 70119, USA
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16
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McKendrick G, Graziane NM. Drug-Induced Conditioned Place Preference and Its Practical Use in Substance Use Disorder Research. Front Behav Neurosci 2020; 14:582147. [PMID: 33132862 PMCID: PMC7550834 DOI: 10.3389/fnbeh.2020.582147] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 09/02/2020] [Indexed: 12/25/2022] Open
Abstract
The conditioned place preference (CPP) paradigm is a well-established model utilized to study the role of context associations in reward-related behaviors, including both natural rewards and drugs of abuse. In this review article, we discuss the basic history, various uses, and considerations that are tied to this technique. There are many potential takeaway implications of this model, including negative affective states, conditioned drug effects, memory, and motivation, which are all considered here. We also discuss the neurobiology of CPP including relevant brain regions, molecular signaling cascades, and neuromodulatory systems. We further examine some of our prior findings and how they integrate CPP with self-administration paradigms. Overall, by describing the fundamentals of CPP, findings from the past few decades, and implications of using CPP as a research paradigm, we have endeavored to support the case that the CPP method is specifically advantageous for studying the role of a form of Pavlovian learning that associates drug use with the surrounding environment.
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Affiliation(s)
- Greer McKendrick
- Neuroscience Graduate Program, Penn State College of Medicine, Hershey, PA, United States.,Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA, United States
| | - Nicholas M Graziane
- Departments of Anesthesiology and Perioperative Medicine and Pharmacology, Penn State College of Medicine, Hershey, PA, United States
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17
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Valyear MD, Glovaci I, Zaari A, Lahlou S, Trujillo-Pisanty I, Andrew Chapman C, Chaudhri N. Dissociable mesolimbic dopamine circuits control responding triggered by alcohol-predictive discrete cues and contexts. Nat Commun 2020; 11:3764. [PMID: 32724058 PMCID: PMC7534644 DOI: 10.1038/s41467-020-17543-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 07/06/2020] [Indexed: 01/01/2023] Open
Abstract
Context can influence reactions to environmental cues and this elemental process has implications for substance use disorder. Using an animal model, we show that an alcohol-associated context elevates entry into a fluid port triggered by a conditioned stimulus (CS) that predicted alcohol (CS-triggered alcohol-seeking). This effect persists across multiple sessions and, after it diminishes in extinction, the alcohol context retains the capacity to augment reinstatement. Systemically administered eticlopride and chemogenetic inhibition of ventral tegmental area (VTA) dopamine neurons reduce CS-triggered alcohol-seeking. Chemogenetically silencing VTA dopamine terminals in the nucleus accumbens (NAc) core reduces CS-triggered alcohol-seeking, irrespective of context, whereas silencing VTA dopamine terminals in the NAc shell selectively reduces the elevation of CS-triggered alcohol-seeking in an alcohol context. This dissociation reveals new roles for divergent mesolimbic dopamine circuits in the control of responding to a discrete cue for alcohol and in the amplification of this behaviour in an alcohol context.
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Affiliation(s)
- Milan D Valyear
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada
| | - Iulia Glovaci
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada
| | - Audrey Zaari
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada
| | - Soraya Lahlou
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada
| | - Ivan Trujillo-Pisanty
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada
| | - C Andrew Chapman
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada
| | - Nadia Chaudhri
- Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, Montreal, QC, Canada.
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18
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McKendrick G, Garrett H, Tanniru S, Ballard S, Sun D, Silberman Y, Grigson PS, Graziane NM. A novel method to study reward-context associations and drug-seeking behaviors. J Neurosci Methods 2020; 343:108857. [PMID: 32652184 DOI: 10.1016/j.jneumeth.2020.108857] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 12/20/2022]
Abstract
Animal models have significantly contributed to the understanding of reward-related behaviors, such as in Substance Use Disorder research. One of the most heavily utilized paradigms to date is conditioned place preference (CPP). However, CPP is limited by non-contingent exposure. Our new method advances this classic method by utilizing its benefits and simultaneously diminishing its limitations. We used a traditional 3-compartment CPP apparatus, where each chamber differs by both visual and tactile contexts. We restructured the apparatus allowing for insertion of bottles so that mice could orally self-administer sucrose or morphine-containing solutions in a specific context. Our results show that mice who self-administer sucrose or morphine show a place preference for the sucrose- or morphine-paired chamber. This place preference lasts for 21 d in sucrose-treated, but not morphine-treated mice. Additionally, we found that that mice will drink more water in the morphine-paired context during extinction tests. This model combines the distinct contextual cues associated with conditioned place preference and combines them with voluntary self-administration, thus enabling researchers to measure behavior using a model that incorporates spatial memory involved in affective states, while also providing a quantifiable readout of context/environment-specific drug seeking. In conclusion, we combined CPP and voluntary intake to establish a novel technique to assess not only preference for a context associated with rewarding stimuli (natural or drug), but also seeking, retention, and locomotor activity. This model can be further utilized to examine other drugs of abuse, extinction training, other learning models, or to allow for the assessment of neurobiological manipulations.
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Affiliation(s)
- Greer McKendrick
- Neuroscience Graduate Program, Penn State College of Medicine, Hershey, PA, 17033, USA; Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Hannah Garrett
- Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Sreehasa Tanniru
- Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Sarah Ballard
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Dongxiao Sun
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Yuval Silberman
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Patricia S Grigson
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Nicholas M Graziane
- Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA, 17033, USA; Departments of Anesthesiology and Perioperative Medicine and Pharmacology, Penn State College of Medicine, Hershey, PA, 17033, USA.
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19
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Haass-Koffler CL, Schank JR. Translational Research in the Neurobiological Mechanisms of Alcohol and Substance Use Disorders. Neurotherapeutics 2020; 17:1-3. [PMID: 31965552 PMCID: PMC7007449 DOI: 10.1007/s13311-020-00833-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
- Carolina L Haass-Koffler
- Center for Alcohol and Addiction Studies, Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Providence, USA.
- Department of Behavioral and Social Sciences, School of Public Health, Brown University, Providence, RI, USA.
- Section on Clinical Psychoneuroendocrinology and Neuropsychopharmacology, National Institute on Drug Abuse Intramural Research Program and National Institute on Alcohol Abuse and Alcoholism Division of Intramural Clinical and Biological Research, National Institutes of Health, Bethesda, MD, USA.
| | - Jesse R Schank
- Department of Physiology and Pharmacology, University of Georgia, Athens, Georgia
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