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Berry MM, Miller B, Kelsen S, Cockrell C, Kohtz AS. Sex differences in hippocampal β-adrenergic receptor subtypes drive retrieval, retention, and learning of cocaine-associated memories. Front Behav Neurosci 2024; 18:1379866. [PMID: 38807929 PMCID: PMC11130369 DOI: 10.3389/fnbeh.2024.1379866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/04/2024] [Indexed: 05/30/2024] Open
Abstract
Background Drug seeking behavior occurs in response to environmental contexts and drug-associated cues. The presence of these pervasive stimuli impedes abstinence success. β-adrenergic receptors (β-ARs) have a long-standing historical implication in driving processes associated with contextual memories, including drug-associated memories in substance use disorders. However, sex differences in the role of β-adrenergic receptors in drug memories remain unknown. Hypothesis Prior reports indicate a selective role for β2-ARs in retrieval and retention of contextual drug memories in males, and substantial sex differences exist in the expression of β-ARs of male and female rats. Therefore, we hypothesized that there are sex differences in selective recruitment of β-ARs during different stages of memory encoding and retrieval. Methods The role of β-ARs in driving retrieval and learning of contextual cocaine memories was investigated using cocaine conditioned place preference (CPP) in adult male and female Sprague-Dawley rats. Rats were infused directly to the dorsal hippocampus with Propranolol (β1 and β2) or ICI-118,551 (β1) and/or Betaxolol (β2), immediately prior to testing (retrieval), or paired to each cocaine (10 mg/kp, IP) conditioning session (learning). Results In males, administration of either β1, β2, or combined β1 and β2-ARs before the initial CPP testing reduced the expression of a CPP compared to vehicle administration. In females, β2-ARs transiently decreased CPP memories, whereas β1 had long lasting but not immediate effects to decrease CPP memories. Additionally, β1 and combined β1 and β2-ARs had immediate and persistent effects to decrease CPP memory expression. DG Fos + neurons predicted cocaine CPP expression in males, whereas CA1 and CA3 Fos + neurons predicted cocaine CPP expression in females. Conclusion There are significant sex differences in the role of dorsal hippocampus β-ARs in the encoding and expression of cocaine conditioned place preference. Furthermore, sub regions of the dorsal hippocampus appear to activate differently between male and female rats during CPP. Therefore DG, CA3, and CA1 may have separate region- and sex-specific impacts on driving drug- associated, or context-associated cues.
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Affiliation(s)
- Melanie M. Berry
- Department of Psychiatry, Division of Neurobiology and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
| | - Beau Miller
- Department of Psychiatry, Division of Neurobiology and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
- Department of Biological Sciences, Mississippi College, Jackson, MS, United States
| | - Silvia Kelsen
- Department of Psychiatry, Division of Neurobiology and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
| | - Carlee Cockrell
- Department of Psychiatry, Division of Neurobiology and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
- Department of Biological Sciences, Mississippi College, Jackson, MS, United States
| | - Amy Stave Kohtz
- Department of Psychiatry, Division of Neurobiology and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
- Center for Innovation and Discovery in Addictions, University of Mississippi Medical Center, Jackson, MS, United States
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2
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Lin J, Peng Y, Zhang J, Cheng J, Chen Q, Wang B, Liu Y, Niu S, Yan J. Interfering with reconsolidation by rimonabant results in blockade of heroin-associated memory. Front Pharmacol 2024; 15:1361838. [PMID: 38576487 PMCID: PMC10991728 DOI: 10.3389/fphar.2024.1361838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/13/2024] [Indexed: 04/06/2024] Open
Abstract
Drug-associated pathological memory remains a critical factor contributing to the persistence of substance use disorder. Pharmacological amnestic manipulation to interfere with drug memory reconsolidation has shown promise for the prevention of relapse. In a rat heroin self-administration model, we examined the impact of rimonabant, a selective cannabinoid receptor indirect agonist, on the reconsolidation process of heroin-associated memory. The study showed that immediately administering rimonabant after conditioned stimuli (CS) exposure reduced the cue- and herion + cue-induced heroin-seeking behavior. The inhibitory effects lasted for a minimum of 28 days. The effect of Rimonabant on reduced drug-seeking was not shown when treated without CS exposure or 6 hours after CS exposure. These results demonstrate a disruptive role of rimonabant on the reconsolidation of heroin-associated memory and the therapeutic potential in relapse control concerning substance use disorder.
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Affiliation(s)
- Jiang Lin
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Yilin Peng
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Jinlong Zhang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
- Department of Forensic Science, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
| | - Junzhe Cheng
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Qianqian Chen
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Binbin Wang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Yuhang Liu
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Shuliang Niu
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
- Department of Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
| | - Jie Yan
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan, China
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He Z, Chen Q, Wang K, Lin J, Peng Y, Zhang J, Yan X, Jie Y. Single-cell transcriptomics analysis of cellular heterogeneity and immune mechanisms in neurodegenerative diseases. Eur J Neurosci 2024; 59:333-357. [PMID: 38221677 DOI: 10.1111/ejn.16242] [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: 05/17/2023] [Revised: 12/04/2023] [Accepted: 12/12/2023] [Indexed: 01/16/2024]
Abstract
Single-cell transcriptomics analysis is an advanced technology that can describe the intracellular transcriptome in complex tissues. It profiles and analyses datasets by single-cell RNA sequencing. Neurodegenerative diseases are identified by the abnormal apoptosis of neurons in the brain with few or no effective therapy strategies at present, which has been a growing healthcare concern and brought a great burden to society. The transcriptome of individual cells provides deep insights into previously unforeseen cellular heterogeneity and gene expression differences in neurodegenerative disorders. It detects multiple cell subsets and functional changes during pathological progression, which deepens the understanding of the molecular underpinnings and cellular basis of neurodegenerative diseases. Furthermore, the transcriptome analysis of immune cells shows the regulation of immune response. Different subtypes of immune cells and their interaction are found to contribute to disease progression. This finding enables the discovery of novel targets and biomarkers for early diagnosis. In this review, we emphasize the principles of the technology, and its recent progress in the study of cellular heterogeneity and immune mechanisms in neurodegenerative diseases. The application of single-cell transcriptomics analysis in neurodegenerative disorders would help explore the pathogenesis of these diseases and develop novel therapeutic methods.
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Affiliation(s)
- Ziping He
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha, China
| | - Qianqian Chen
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Kaiyue Wang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha, China
| | - Jiang Lin
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Yilin Peng
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Jinlong Zhang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Department of Forensic Science, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
| | - Xisheng Yan
- Department of Cardiovascular Medicine, Wuhan Third Hospital & Tongren Hospital of Wuhan University, Wuhan, China
| | - Yan Jie
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Department of Forensic Science, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
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Milton AL. Drug memory reconsolidation: from molecular mechanisms to the clinical context. Transl Psychiatry 2023; 13:370. [PMID: 38040677 PMCID: PMC10692359 DOI: 10.1038/s41398-023-02666-1] [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: 04/13/2023] [Revised: 11/07/2023] [Accepted: 11/13/2023] [Indexed: 12/03/2023] Open
Abstract
Since its rediscovery at the beginning of the 21st Century, memory reconsolidation has been proposed to be a therapeutic target for reducing the impact of emotional memories that can go awry in mental health disorders such as drug addiction (substance use disorder, SUD). Addiction can be conceptualised as a disorder of learning and memory, in which both pavlovian and instrumental learning systems become hijacked into supporting drug-seeking and drug-taking behaviours. The past two decades of research have characterised the details of the molecular pathways supporting the reconsolidation of pavlovian cue-drug memories, with more recent work indicating that the reconsolidation of instrumental drug-seeking memories also relies upon similar mechanisms. This narrative review considers what is known about the mechanisms underlying the reconsolidation of pavlovian and instrumental memories associated with drug use, how these approaches have translated to experimental medicine studies, and the challenges and opportunities for the clinical use of reconsolidation-based therapies.
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Affiliation(s)
- Amy L Milton
- Department of Psychology, University of Cambridge, Cambridge, UK.
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Li H, Zhao H, Hu T, Meng L, Mo X, Gong M, Liao Y. The Cdk5 inhibitor β-butyrolactone impairs reconsolidation of heroin-associated memory in the rat basolateral amygdala. Addict Biol 2023; 28:e13326. [PMID: 37644892 DOI: 10.1111/adb.13326] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/31/2023]
Abstract
The persistence of maladaptive heroin-associated memory, which is triggered by drug-related stimuli that remind the individual of the drug's pleasurable and rewarding effects, can impede abstinence efforts. Cyclin-dependent kinase 5 (Cdk5), a neuronal serine/threonine protein kinase that plays a role in multiple neuronal functions, has been demonstrated to be involved in drug addiction and learning and memory. Here, we aimed to investigate the role of cdk5 activity in the basolateral amygdala (BLA) in relapse to heroin seeking, using a self-administration rat model. Male rats underwent 10 days of heroin self-administration training, during which an active nose poke resulted in an intravenous infusion of heroin that was accompanied by a cue. The rats then underwent nose poke extinction for 10 days, followed by subsequent tests of heroin-seeking behaviour. We found that intra-BLA infusion of β-butyrolactone (100 ng/side), a Cdk5 inhibitor, administered 5 min after reactivation, led to a subsequent decrease in heroin-seeking behaviour. Further experiments demonstrated that the effects of β-butyrolactone are dependent on reactivated memories, temporal-specific and long-lasting on relapse of heroin-associated memory. Results provide suggestive evidence that the activity of Cdk5 in BLA is critical for heroin-associated memory and that the specific inhibitor, β-butyrolactone, may hold potential as a substance for the treatment of heroin abuse.
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Affiliation(s)
- 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
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Haiting Zhao
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 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
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Li Meng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xin Mo
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Mengqi Gong
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yiwei Liao
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Beldjoud H, Avelar A, de Guglielmo G, Kallupi M, Sedighim S, Velarde N, Boomhower B, Rizo N, Carrette LLG, George O. Chronic administration of a norepinephrine antagonist prevents and partially reverses escalation of cocaine self-administration. Addict Biol 2023; 28:e13316. [PMID: 37644893 PMCID: PMC10614571 DOI: 10.1111/adb.13316] [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: 01/02/2023] [Revised: 06/06/2023] [Accepted: 07/03/2023] [Indexed: 08/31/2023]
Abstract
Anxiety is a critical component of the development and maintenance of drug addiction; however, anti-anxiety medications such as benzodiazepines and beta-blockers (β-adrenergic receptor antagonists) are not used for the treatment of substance use disorder, except for the management of acute withdrawal syndrome. Preclinical studies have shown that beta-blockers may reduce stress-induced relapse; however, the effect of beta blockers on the escalation and maintenance of drug intake has not been tested. To address this issue, we chronically administered the β-adrenergic receptor antagonist propranolol during the escalation or maintenance of cocaine intake in a model of extended access (6 h) to cocaine self-administration (0.5 mg/kg). The behavioural specificity of propranolol was tested using a non-drug reward (saccharin). Daily administration of propranolol (15 mg/kg) prevented the development of escalation of cocaine self-administration and partially reversed self-administration after the establishment of escalation of intake. Moreover, propranolol dose-dependently decreased the motivation for cocaine tested under a progressive ratio schedule of reinforcement during the development of escalation and after maintenance. Finally, propranolol administration had no effect on the escalation and maintenance of saccharin self-administration. These results demonstrate that chronic treatment with propranolol provides therapeutic efficacy in reducing cocaine self-administration during the development and after the establishment of escalation of cocaine self-administration in an animal model relevant to cocaine use disorder. These results suggest that beta blockers should be further investigated as a target for medication development for the treatment of cocaine use disorder.
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Affiliation(s)
- Hassiba Beldjoud
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Alicia Avelar
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
- Department of Neuroscience, The Scripps Research Institute, La Jolla, California, USA
| | - Giordano de Guglielmo
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Marsida Kallupi
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Sharona Sedighim
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Nathan Velarde
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Brent Boomhower
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Nathan Rizo
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Lieselot L G Carrette
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
| | - Olivier George
- Department of Psychiatry, UC San Diego School of Medicine, La Jolla, California, USA
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Patel K, Waldron D, Graziane N. Re-Purposing FDA-Approved Drugs for Opioid Use Disorder. Subst Use Misuse 2023; 58:1751-1760. [PMID: 37584436 DOI: 10.1080/10826084.2023.2247071] [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] [Indexed: 08/17/2023]
Abstract
OBJECTIVE To investigate FDA-approved drugs prescribed for unrelated diseases or conditions that promote remission in subjects diagnosed with opioid use disorder (OUD). METHODS This was a retrospective observational study utilizing the TriNetX electronic medical record data. Subjects between 18 and 65 years old were included in this study. First, a drug screen was employed to identify medications used for chronic illness that are associated with OUD remission. Based on Fisher's exact test for significance, 28 of 101 medications were selected for further analysis. Positive (buprenorphine/methadone) and negative controls (benazepril) were included in the analysis. Medications were analyzed in the absence and presence of buprenorphine or methadone, two medications used to treat OUD, to identify the likelihood of OUD remission up to one year following the index event. RESULTS We identify 8 medications (prazosin, propranolol, lithium carbonate, olanzapine, quetiapine, bupropion, citalopram, and escitalopram) that may be useful for increasing remission in OUD in the absence of buprenorphine or methadone. Additionally, our results identify psychiatric medications that when taken alongside buprenorphine and methadone improve remission rates. CONCLUSION These results provide medication options that may be useful in treating OUD as well as integrated therapies to treat comorbid mental illness.
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Affiliation(s)
- Krishna Patel
- Doctor of Medicine Program, Penn State College of Medicine, Hershey, Pennsylvania, USA
| | - David Waldron
- Doctor of Medicine Program, Penn State College of Medicine, Hershey, Pennsylvania, USA
| | - Nicholas Graziane
- Departments of Anesthesiology and Perioperative Medicine and Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania, USA
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8
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İlhan ÇF, Kışlal S. Memory Impairing Effect of Propranolol on Consolidation and Reconsolidation for Various Learning Tasks. Noro Psikiyatr Ars 2023; 60:271-282. [PMID: 37645086 PMCID: PMC10461772 DOI: 10.29399/npa.28203] [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: 04/16/2022] [Accepted: 07/06/2022] [Indexed: 08/31/2023] Open
Abstract
Newly acquired memory traces have been thought to become stable and resistant to interruption after they are stored in long-term memory. However, according to a recent research drugs such as beta-adrenergic receptor antagonists enable memories to be updated and rewritten when administered during consolidation and reconsolidation. Propranolol is a widely used beta-adrenergic receptor antagonist that disrupts the consolidation and reconsolidation processes of memory formation as it inhibits protein synthesis in the central nervous system. This review aims to discuss the memory impairing effect of the systemic and intracerebral administration of propranolol during the consolidation and reconsolidation processes associated with different learning tasks. In doing so, this review will help elucidate the effects of propranolol on different stages of memory formation. Since learning and maladaptive memories underpin some of the most common psychological disorders, such as phobias, post-traumatic stress disorder, addiction, drug-seeking behavior, and so on, a thorough understanding of propranolol's memory-impairing effect has significant clinical value and the potential to help people suffering from these disorders.
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Affiliation(s)
- Çınar Furkan İlhan
- Middle East Technical University, Institute of Social Sciences, Department of Psychology, Ankara, Turkey
| | - Sezen Kışlal
- Middle East Technical University, Institute of Social Sciences, Department of Psychology, Ankara, Turkey
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Schifano F, Vento A, Scherbaum N, Guirguis A. Stimulant and hallucinogenic novel psychoactive substances; an update. Expert Rev Clin Pharmacol 2023; 16:1109-1123. [PMID: 37968919 DOI: 10.1080/17512433.2023.2279192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/31/2023] [Indexed: 11/17/2023]
Abstract
INTRODUCTION The renewed interest in considering a range of stimulants, psychedelics and dissociatives as therapeutics emphasizes the need to draft an updated overview of these drugs' clinical and pharmacological issues. AREAS COVERED The focus here was on: stimulants (e.g. amphetamines, methamphetamine, and pseudoephedrine; phenethylamines; synthetic cathinones; benzofurans; piperazines; aminoindanes; aminorex derivatives; phenmetrazine derivatives; phenidates); classical (e.g. ergolines; tryptamines; psychedelic phenethylamines), and atypical (e.g. PCP/ketamine-like dissociatives) psychedelics.Stimulant and psychedelics are associated with: a) increased central DA levels (psychedelic phenethylamines, synthetic cathinones and stimulants); b) 5-HT receptor subtypes' activation (psychedelic phenethylamines; recent tryptamine and lysergamide derivatives); and c) antagonist activity at NMDA receptors, (phencyclidine-like dissociatives). EXPERT OPINION Clinicians should be regularly informed about the range of NPS and their medical, psychobiological and psychopathological risks both in the acute and long term. Future research should focus on an integrative model in which pro-drug websites' analyses are combined with advanced research approaches, including computational chemistry studies so that in vitro and in vivo preclinical studies of index novel psychoactives can be organized. The future of psychedelic research should focus on identifying robust study designs to convincingly assess the potential therapeutic benefits of psychedelics, molecules likely to present with limited dependence liability levels.
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Affiliation(s)
- F Schifano
- Psychopharmacology Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Herts (UK)
| | - A Vento
- Mental Health Department, Addiction Observatory (Osservatorio sulle dipendenze)- NonProfit Association - Rome, Rome, Italy
| | - N Scherbaum
- LVR-University Hospital, Department of Psychiatry and Psychotherapy, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - A Guirguis
- Psychopharmacology Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, Herts (UK)
- Pharmacy, Swansea University Medical School, Faculty of Medicine, Health and Life Science, Swansea University, Wales, UK
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Li H, Hu T, Zhang Y, Zhao Z, Liu Q, Chen Z, Chen S. Extracellular signal-regulated kinase in the basolateral amygdala is required for reconsolidation of heroin-associated memory. Front Mol Neurosci 2022; 15:1020098. [PMID: 36438183 PMCID: PMC9684340 DOI: 10.3389/fnmol.2022.1020098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/20/2022] [Indexed: 09/28/2023] Open
Abstract
Reconsolidation of heroin-associated memory is an independent memory process that occurs following retrieval, which is essential for the sustained capacity of an associative drug stimulus to precipitate heroin-seeking. Extracellular signal-regulated kinase (ERK) in the basolateral amygdala (BLA) mediates the reconsolidation of drug memory. In the present study, we utilized a rat model of drug craving and relapse to verify the hypothesis that the reconsolidation of heroin-associated memory requires ERK in an instrumental heroin-seeking behavior, focusing on the BLA brain region, which is crucial for synaptic plasticity and memory processes. We found that bilateral intra-BLA infusions of U0126 (1 μg/0.5 μl), an ERK inhibitor, immediately after retrieving heroin-associated memory significantly reduced cue-induced and drug-induced reinstatement and spontaneous recovery of heroin-seeking compared to the vehicle. Furthermore, this inhibitory effect was related to the characteristic of reconsolidation. Conversely, no effect was observed on the heroin-seeking behavior when the intra-BLA infusion of U0126 was administered 6 h after the heroin-associated memory retrieval or without memory retrieval. Together, these data suggest that disrupting the reconsolidation of heroin-associated memory via an ERK inhibitor may serve as a promising option for treating relapse in opiate addicts.
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Affiliation(s)
- 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
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 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
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yanghui Zhang
- Center of Medical Genetics, Jiangmen Maternity and Child Health Care Hospital, Jiangmen, 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
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 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
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zihua Chen
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Si Chen
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Ophthalmology, Changsha, China
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11
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Qian S, Shi C, Huang S, Yang C, Luo Y. DNA methyltransferase activity in the basolateral amygdala is critical for reconsolidation of a heroin reward memory. Front Mol Neurosci 2022; 15:1002139. [PMID: 36176958 PMCID: PMC9513049 DOI: 10.3389/fnmol.2022.1002139] [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: 07/24/2022] [Accepted: 08/18/2022] [Indexed: 11/17/2022] Open
Abstract
The persistence of drug memory contributes to relapse to drug seeking. The association between repeated drug exposure and drug-related cues leads to cravings triggered by drug-paired cues. The erasure of drug memories has been considered a promising way to inhibit cravings and prevent relapse. The re-exposure to drug-related cues destabilizes well-consolidated drug memories, during which a de novo protein synthesis-dependent process termed “reconsolidation” occurs to restabilize the reactivated drug memory. Disrupting reconsolidation of drug memories leads to the attenuation of drug-seeking behavior in both animal models and people with addictions. Additionally, epigenetic mechanisms regulated by DNA methyltransferase (DNMT) are involved in the reconsolidation of fear and cocaine reward memory. In the present study, we investigated the role of DNMT in the reconsolidation of heroin reward memory. In the heroin self-administration model in rats, we tested the effects of DNMT inhibition during the reconsolidation process on cue-induced reinstatement, heroin-priming-induced reinstatement, and spontaneous recovery of heroin-seeking behavior. We found that the bilateral infusion of 5-azacytidine (5-AZA) inhibiting DNMT into the basolateral amygdala (BLA) immediately after heroin reward memory retrieval, but not delayed 6 h after retrieval or without retrieval, decreased subsequent cue-induced and heroin-priming-induced reinstatement of heroin-seeking behavior. These findings demonstrate that inhibiting the activity of DNMT in BLA during the reconsolidation of heroin reward memory attenuates heroin-seeking behavior, which may provide a potential strategy for the therapeutic of heroin addiction.
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Affiliation(s)
- Shuyi Qian
- Department of Nephrology and Laboratory of Kidney Disease, Hunan Provincial People’s Hospital, Hunan Normal University, Changsha, China
| | - Cuijie Shi
- Hunan Province People’s Hospital, The First-Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Shihao Huang
- National Institute on Drug Dependence, Beijing Key Laboratory of Drug Dependence, Peking University, Beijing, China
| | - Chang Yang
- Hunan Province People’s Hospital, The First-Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Yixiao Luo
- Hunan Province People’s Hospital, The First-Affiliated Hospital of Hunan Normal University, Changsha, China
- *Correspondence: Yixiao Luo,
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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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Zhang A, Liu Z, Liang M. A Scientometric Visualization Analysis for Molecular Mechanisms of Substance Abuse and Its Neurotoxicity From 1997 to 2021. Front Mol Neurosci 2022; 15:885701. [PMID: 35845612 PMCID: PMC9283979 DOI: 10.3389/fnmol.2022.885701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/03/2022] [Indexed: 11/13/2022] Open
Abstract
Substance abuse has become a global problem due to drug-induced addiction and neurotoxicity, which causes a huge physical, social, and financial burden. Various kinds of drugs can hijack the users’/abusers’ behavior and associated neurocircuitry. To summarize recent scientific advances on drug abuse, we reviewed relevant publications to analyze research progress and such trends through bibliometric ways. Based on retrieval strategies, a total of 681 scientific records published from 1997 to 2021 were screened and included in the Web of Science (WoS) database. Further scientometric analysis revealed that annual publication output increased across this period, with the United States of America (USA) contributing a significant number of reasons. Research has focused on neurotransmitter, oxidative stress, mitochondrial system injury, and other neurotoxic mechanisms. Neuroimmune, neurotoxic targets, and new psychoactive substances have been hot topics in recent years, which deserve continued research in the future. Specific research on molecular mechanisms has progressed across this period, with an emphasis on the root cause of toxicity and molecular targets for therapy. Moreover, collaborations of international multi-disciplinary research teams have been efficient and need to be encouraged for addiction research and the development of appropriate therapeutic processes.
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Xie Y, Zhang Y, Hu T, Zhao Z, Liu Q, Li H. Inhibition of Glycogen Synthase Kinase 3β Activity in the Basolateral Amygdala Disrupts Reconsolidation and Attenuates Heroin Relapse. Front Mol Neurosci 2022; 15:932939. [PMID: 35832395 PMCID: PMC9271698 DOI: 10.3389/fnmol.2022.932939] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/06/2022] [Indexed: 02/05/2023] Open
Abstract
Exposure to a heroin-associated conditioned stimulus can reactivate drug reward memory, trigger drug cravings, and induce relapse in heroin addicts. The amygdala, a brain region related to emotions and motivation, is involved in processing rewarding stimulus. Recent evidence demonstrated that disrupting the reconsolidation of the heroin drug memories attenuated heroin seeking which was associated with the basolateral amygdala (BLA). Meanwhile, neural functions associated with learning and memory, like synaptic plasticity, are regulated by glycogen synthase kinase 3 beta (GSK-3β). In addition, GSK-3β regulated memory processes, like retrieval and reconsolidation of cocaine-induced memory. Here, we used a heroin intravenous self-administration (SA) paradigm to illustrate the potential role of GSK-3β in the reconsolidation of drug memory. Therefore, we used SB216763 as a selective inhibitor of GSK-3β. We found that injecting the selective inhibitor SB216763 into the BLA, but not the central amygdala (CeA), immediately after heroin-induced memory retrieval disrupted reconsolidation of heroin drug memory and significantly attenuated heroin-seeking behavior in subsequent drug-primed reinstatement, suggesting that GSK-3β is critical for reconsolidation of heroin drug memories and inhibiting the activity of GSK-3β in BLA disrupted heroin drug memory and reduced relapse. However, no retrieval or 6 h after retrieval, administration of SB216763 into the BLA did not alter heroin-seeking behavior in subsequent heroin-primed reinstatement, suggesting that GSK-3β activity is retrieval-dependent and time-specific. More importantly, a long-term effect of SB216763 treatment was observed in a detectable decrease in heroin-seeking behavior, which lasted at least 28 days. All in all, this present study demonstrates that the activity of GSK-3β in BLA is required for reconsolidation of heroin drug memory, and inhibiting GSK-3β activity of BLA disrupts reconsolidation and attenuates heroin relapse.
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Affiliation(s)
- Yuanyang Xie
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- The Institute of Skull Base Surgery and Neurooncology at Hunan Province, Changsha, China
| | - Yingfan Zhang
- Teaching and Research Section of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, 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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Deng B, Zhang Z, Zhou H, Zhang X, Niu S, Yan X, Yan J. MicroRNAs in Methamphetamine-Induced Neurotoxicity and Addiction. Front Pharmacol 2022; 13:875666. [PMID: 35496314 PMCID: PMC9046672 DOI: 10.3389/fphar.2022.875666] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 03/31/2022] [Indexed: 12/21/2022] Open
Abstract
Methamphetamine (METH) abuse remains a significant public health concern globally owing to its strong addictive properties. Prolonged abuse of the drug causes irreversible damage to the central nervous system. To date, no efficient pharmacological interventions are available, primarily due to the unclear mechanisms underlying METH action in the brain. Recently, microRNAs (miRNAs) have been identified to play critical roles in various cellular processes. The expression levels of some miRNAs are altered after METH administration, which may influence the transcription of target genes to regulate METH toxicity or addiction. This review summarizes the miRNAs in the context of METH use, discussing their role in the reward effect and neurotoxic sequelae. Better understanding of the molecular mechanisms involved in METH would be helpful for the development of new therapeutic strategies in reducing the harm of the drug.
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Affiliation(s)
- Bi Deng
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Zhirui Zhang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Huixuan Zhou
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Xinran Zhang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Shuliang Niu
- School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
| | - Xisheng Yan
- Department of Cardiovascular Medicine, Wuhan Third Hospital and Tongren Hospital of Wuhan University, Wuhan, China
| | - Jie Yan
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
- School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
- *Correspondence: Jie Yan,
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16
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Deng B, Tang X, Wang Y. Regulation and bioinformatic analysis of circ_0015891/miR-129-1-3p axis in methamphetamine-induced dopaminergic apoptosis. Front Endocrinol (Lausanne) 2022; 13:999211. [PMID: 36204112 PMCID: PMC9530452 DOI: 10.3389/fendo.2022.999211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022] Open
Abstract
Methamphetamine (METH) abuse can result in severe neurotoxicity, for which the mechanism is not yet clear. In the present study, we investigated the role of noncoding RNAs in METH-induced dopaminergic neurotoxicity, and analyzed the underlying mechanism using bioinformatic methods. We confirmed by flow cytometry that miR-129-1-3p is involved in promoting dopaminergic apoptosis under METH treatment and its role could be inhibited by a high concentration of circ_0015891. Also, we combined transcriptomic data with bioinformatics to explore the downstream mechanism of miR-129-1-3p regulation of METH-induced apoptosis, highlighted the potentially pivotal figure of response to nutrition. Further bioinformatic analysis of circ_0015891 was conducted as well and showed that circ_0015891 was the sponge of various microRNAs that effect apoptosis by different mechanisms. Collectively, we found a novel circ_0015891/miR-129-1-3p axis that may be a promising therapeutic target for METH-induced dopaminergic neurotoxicity.
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Chen L, Yan H, Wang Y, He Z, Leng Q, Huang S, Wu F, Feng X, Yan J. The Mechanisms and Boundary Conditions of Drug Memory Reconsolidation. Front Neurosci 2021; 15:717956. [PMID: 34421529 PMCID: PMC8377231 DOI: 10.3389/fnins.2021.717956] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/20/2021] [Indexed: 11/13/2022] Open
Abstract
Drug addiction can be seen as a disorder of maladaptive learning characterized by relapse. Therefore, disrupting drug-related memories could be an approach to improving therapies for addiction. Pioneering studies over the last two decades have revealed that consolidated memories are not static, but can be reconsolidated after retrieval, thereby providing candidate pathways for the treatment of addiction. The limbic-corticostriatal system is known to play a vital role in encoding the drug memory engram. Specific structures within this system contribute differently to the process of memory reconsolidation, making it a potential target for preventing relapse. In addition, as molecular processes are also active during memory reconsolidation, amnestic agents can be used to attenuate drug memory. In this review, we focus primarily on the brain structures involved in storing the drug memory engram, as well as the molecular processes involved in drug memory reconsolidation. Notably, we describe reports regarding boundary conditions constraining the therapeutic potential of memory reconsolidation. Furthermore, we discuss the principles that could be employed to modify stored memories. Finally, we emphasize the challenge of reconsolidation-based strategies, but end with an optimistic view on the development of reconsolidation theory for drug relapse prevention.
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Affiliation(s)
- Liangpei Chen
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - He Yan
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Yufang Wang
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China
| | - Ziping He
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Qihao Leng
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Shihao Huang
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Feilong Wu
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Xiangyang Feng
- Department of Forensic Science, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
| | - Jie Yan
- Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, China.,Department of Forensic Science, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China
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