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Estave PM, Albertson SE, Karkhanis AN, Jones SR. Co-targeting the kappa opioid receptor and dopamine transporter reduces motivation to self-administer cocaine and partially reverses dopamine system dysregulation. Sci Rep 2024; 14:6509. [PMID: 38499566 PMCID: PMC10948819 DOI: 10.1038/s41598-024-53463-9] [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: 08/30/2023] [Accepted: 01/31/2024] [Indexed: 03/20/2024] Open
Abstract
Cocaine disrupts dopamine (DA) and kappa opioid receptor (KOR) system activity, with long-term exposure reducing inhibiton of DA uptake by cocaine and increasing KOR system function. Single treatment therapies have not been successful for cocaine use disorder; therefore, this study focuses on a combination therapy targeting the dopamine transporter (DAT) and KOR. Sprague Dawley rats self-administered 5 days of cocaine (1.5 mg/kg/inf, max 40 inf/day, FR1), followed by 14 days on a progressive ratio (PR) schedule (0.19 mg/kg/infusion). Behavioral effects of individual and combined administration of phenmetrazine and nBNI were then examined using PR. Additionally, ex vivo fast scan cyclic voltammetry was then used to assess alterations in DA and KOR system activity in the nucleus accumbens before and after treatments. Chronic administration of phenmetrazine as well as the combination of phenmetrazine and nBNI-but not nBNI alone-significantly reduced PR breakpoints. In addition, the combination of phenmetrazine and nBNI partially reversed cocaine-induced neurodysregulations of the KOR and DA systems, indicating therapeutic benefits of targeting the DA and KOR systems in tandem. These data highlight the potential benefits of the DAT and KOR as dual-cellular targets to reduce motivation to administer cocaine and reverse cocaine-induced alterations of the DA system.
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Affiliation(s)
- Paige M Estave
- Department of Physiology and Pharmacology, Wake University Forest School of Medicine, Medical Center Blvd., Winston-Salem, NC, 27157, USA
| | - Steven E Albertson
- Department of Physiology and Pharmacology, Wake University Forest School of Medicine, Medical Center Blvd., Winston-Salem, NC, 27157, USA
| | - Anushree N Karkhanis
- Department of Psychology, Binghamton University - State University of New York, Binghamton, NY, 13902, USA
| | - Sara R Jones
- Department of Physiology and Pharmacology, Wake University Forest School of Medicine, Medical Center Blvd., Winston-Salem, NC, 27157, USA.
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2
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González-Portilla M, Mellado S, Montagud-Romero S, Rodríguez de Fonseca F, Pascual M, Rodríguez-Arias M. Oleoylethanolamide attenuates cocaine-primed reinstatement and alters dopaminergic gene expression in the striatum. BEHAVIORAL AND BRAIN FUNCTIONS : BBF 2023; 19:8. [PMID: 37226219 DOI: 10.1186/s12993-023-00210-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 05/15/2023] [Indexed: 05/26/2023]
Abstract
The lipid oleoylethanolamide (OEA) has been shown to affect reward-related behavior. However, there is limited experimental evidence about the specific neurotransmission systems OEA may be affecting to exert this modulatory effect. The aim of this study was to evaluate the effects of OEA on the rewarding properties of cocaine and relapse-related gene expression in the striatum and hippocampus. For this purpose, we evaluated male OF1 mice on a cocaine-induced CPP procedure (10 mg/kg) and after the corresponding extinction sessions, we tested drug-induced reinstatement. The effects of OEA (10 mg/kg, i.p.) were evaluated at three different timepoints: (1) Before each cocaine conditioning session (OEA-C), (2) Before extinction sessions (OEA-EXT) and (3) Before the reinstatement test (OEA-REINST). Furthermore, gene expression changes in dopamine receptor D1 gene, dopamine receptor D2 gene, opioid receptor µ, cannabinoid receptor 1, in the striatum and hippocampus were analyzed by qRT-PCR. The results obtained in the study showed that OEA administration did not affect cocaine CPP acquisition. However, mice receiving different OEA treatment schedules (OEA-C, OEA-EXT and OEA-REINST) failed to display drug-induced reinstatement. Interestingly, the administration of OEA blocked the increase of dopamine receptor gene D1 in the striatum and hippocampus caused by cocaine exposure. In addition, OEA-treated mice exhibited reduced striatal dopamine receptor gene D2 and cannabinoid receptor 1. Together, these findings suggest that OEA may be a promising pharmacological agent in the treatment of cocaine use disorder.
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Affiliation(s)
- Macarena González-Portilla
- Department of Psychobiology, Facultad de Psicología, Universitat de València, Avda. Blasco Ibáñez 21, 46010, Valencia, Spain
| | - Susana Mellado
- Department of Physiology, School of Medicine, Universitat de Valencia, Avda. Blasco Ibáñez, 15, 46010, Valencia, Spain
| | - Sandra Montagud-Romero
- Department of Psychobiology, Facultad de Psicología, Universitat de València, Avda. Blasco Ibáñez 21, 46010, Valencia, Spain
| | - Fernando Rodríguez de Fonseca
- Mental Health Clinical Management Unit, Institute of Biomedical Research of Malaga- IBIMA, Regional University Hospital of Málaga, 29010, Málaga, Spain
- Atención primaria, cronicidad y promoción de la salud, Red de investigación en atención primaria de adicciones (RIAPAD), Rd210009/0005/0003, Valencia, Madrid, Spain
| | - María Pascual
- Department of Physiology, School of Medicine, Universitat de Valencia, Avda. Blasco Ibáñez, 15, 46010, Valencia, Spain
| | - Marta Rodríguez-Arias
- Department of Psychobiology, Facultad de Psicología, Universitat de València, Avda. Blasco Ibáñez 21, 46010, Valencia, Spain.
- Atención primaria, cronicidad y promoción de la salud, Red de investigación en atención primaria de adicciones (RIAPAD), Rd210009/0005/0003, Valencia, Madrid, Spain.
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Farahbakhsh ZZ, Song K, Branthwaite HE, Erickson KR, Mukerjee S, Nolan SO, Siciliano CA. Systemic kappa opioid receptor antagonism accelerates reinforcement learning via augmentation of novelty processing in male mice. Neuropsychopharmacology 2023; 48:857-868. [PMID: 36804487 PMCID: PMC10156709 DOI: 10.1038/s41386-023-01547-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 01/20/2023] [Accepted: 02/02/2023] [Indexed: 02/19/2023]
Abstract
Selective inhibition of kappa opioid receptors (KORs) is highly anticipated as a pharmacotherapeutic intervention for substance use disorders and depression. The accepted explanation for KOR antagonist-induced amelioration of aberrant behaviors posits that KORs globally function as a negative valence system; antagonism thereby blunts the behavioral influence of negative internal states such as anhedonia and negative affect. While effects of systemic KOR manipulations have been widely reproduced, explicit evaluation of negative valence as an explanatory construct is lacking. Here, we tested a series of falsifiable hypotheses generated a priori based on the negative valence model by pairing reinforcement learning tasks with systemic pharmacological KOR blockade in male C57BL/6J mice. The negative valence model failed to predict multiple experimental outcomes: KOR blockade accelerated contingency learning during both positive and negative reinforcement without altering innate responses to appetitive or aversive stimuli. We next proposed novelty processing, which influences learning independent of valence, as an alternative explanatory construct. Hypotheses based on novelty processing predicted subsequent observations: KOR blockade increased exploration of a novel, but not habituated, environment and augmented the reinforcing efficacy of novel visual stimuli in a sensory reinforcement task. Together, these results revise and extend long-standing theories of KOR system function.
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Affiliation(s)
- Zahra Z Farahbakhsh
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA
| | - Keaton Song
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA
| | - Hannah E Branthwaite
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA
| | - Kirsty R Erickson
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA
| | - Snigdha Mukerjee
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA
| | - Suzanne O Nolan
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA
| | - Cody A Siciliano
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, USA.
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Gaulden AD, Tepe EA, Sia E, Rollins SS, McReynolds JR. Repeated footshock stress induces an escalation of cocaine self-administration in male and female rats: Role of the cannabinoid receptor 1. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023. [PMID: 36865137 PMCID: PMC9980083 DOI: 10.1101/2023.02.23.529774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Stress is a significant contributor to the development and progression of substance use disorders (SUDs) and is problematic as it is unavoidable in daily life. Therefore, it is important to understand the neurobiological mechanisms that underlie the influence of stress on drug use. We have previously developed a model to examine the contribution of stress to drug-related behavior by administering a stressor, electric footshock stress, daily at the time of cocaine self-administration in rats resulting in an escalation of cocaine intake. This stress-induced escalation of cocaine intake involves neurobiological mediators of stress and reward such as cannabinoid signaling. However, all of this work has been conducted in male rats. Here we test the hypothesis that repeated daily stress can produce an escalation of cocaine in both male and female rats. We further hypothesize that cannabinoid receptor 1 (CB1R) signaling is recruited by repeated stress to influence cocaine intake in both male and female rats. Male and female Sprague-Dawley rats self-administered cocaine (0.5 mg/kg/inf, i.v.) during a modified short-access paradigm wherein the 2-hr access was separated into 4-30 min self-administration blocks separated by 4-5 min drug free period. Footshock stress produced a significant escalation of cocaine intake similarly in both male and female rats. Female stress-escalated rats did display greater time-out non-reinforced responding and greater "front-loading" behavior. In males, systemic administration of a CB1R inverse agonist/antagonist Rimonabant only attenuated cocaine intake in rats with a history of combined repeated stress and cocaine self-administration. However, in females, Rimonabant attenuated cocaine intake in the no stress control group but only at the highest dose of Rimonabant (3 mg/kg, i.p.) suggesting that females show a greater sensitivity to CB1R antagonism. However, female rats with a history of stress showed even greater sensitivity to CB1R antagonism as both doses of Rimonabant (1, 3 mg/kg) attenuated cocaine intake in stress-escalated rats similar to males. Altogether these data demonstrate that stress can produce significant changes in cocaine self-administration and suggests that repeated stress at the time of cocaine self-administration recruits CB1Rs to regulate cocaine-taking behavior across sexes.
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Estave PM, Sun H, Peck EG, Holleran KM, Chen R, Jones SR. Cocaine self-administration augments kappa opioid receptor system-mediated inhibition of dopamine activity in the mesolimbic dopamine system. IBRO Neurosci Rep 2023; 14:129-137. [PMID: 36748012 PMCID: PMC9898071 DOI: 10.1016/j.ibneur.2023.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 01/24/2023] [Indexed: 01/29/2023] Open
Abstract
Prior studies examining the effects of cocaine on the dynorphin/kappa opioid receptor (Dyn/KOR) system primarily focus on non-contingent cocaine exposure, but the effects of self-administration, which more closely reflects human drug-taking behaviors, are not well studied. In this study we characterized the effects of escalated intravenous cocaine self-administration on the functional state of the Dyn/KOR system and its interaction with mesolimbic dopamine signaling. Rats self-administered cocaine in an extended access, limited intake cocaine procedure, in which animals obtained 40 infusions per day (1.5 mg/kg/inf) for 5 consecutive days to ensure comparable consumption levels. Following single day tests of cue reactivity and progressive ratio responding, quantitative real-time polymerase chain reaction was used to measure levels of Oprk and Pdyn transcripts in the ventral tegmental area and nucleus accumbens. Additionally, after self-administration, ex vivo fast-scan cyclic voltammetry in the NAc was used to examine the ability of the KOR agonist U50,488 to inhibit dopamine release. We found that KOR-induced inhibition of dopamine release was enhanced in animals that self-administered cocaine compared to controls, suggesting upregulated Dyn/KOR activity after cocaine self-administration. Furthermore, expression levels of Pdyn in the nucleus accumbens and ventral tegmental area, and Oprk in the nucleus accumbens, were elevated in cocaine animals compared to controls. Additionally, Pdyn expression in the nucleus accumbens was negatively correlated with progressive ratio breakpoints, a measure of motivation to self-administer cocaine. Overall, these data suggest that cocaine self-administration elevates KOR/Dyn system activity in the mesolimbic dopamine pathway.
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Affiliation(s)
| | | | | | | | | | - Sara R. Jones
- Correspondence to: Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA.
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Pomrenze MB, Cardozo Pinto DF, Neumann PA, Llorach P, Tucciarone JM, Morishita W, Eshel N, Heifets BD, Malenka RC. Modulation of 5-HT release by dynorphin mediates social deficits during opioid withdrawal. Neuron 2022; 110:4125-4143.e6. [PMID: 36202097 PMCID: PMC9789200 DOI: 10.1016/j.neuron.2022.09.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 08/25/2022] [Accepted: 09/19/2022] [Indexed: 12/24/2022]
Abstract
Social isolation during opioid withdrawal is a major contributor to the current opioid addiction crisis. We find that sociability deficits during protracted opioid withdrawal in mice require activation of kappa opioid receptors (KORs) in the nucleus accumbens (NAc) medial shell. Blockade of release from dynorphin (Pdyn)-expressing dorsal raphe neurons (DRPdyn), but not from NAcPdyn neurons, prevents these deficits in prosocial behaviors. Conversely, optogenetic activation of DRPdyn neurons reproduced NAc KOR-dependent decreases in sociability. Deletion of KORs from serotonin (5-HT) neurons, but not from NAc neurons or dopamine (DA) neurons, prevented sociability deficits during withdrawal. Finally, measurements with the genetically encoded GRAB5-HT sensor revealed that during withdrawal KORs block the NAc 5-HT release that normally occurs during social interactions. These results define a neuromodulatory mechanism that is engaged during protracted opioid withdrawal to induce maladaptive deficits in prosocial behaviors, which in humans contribute to relapse.
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Affiliation(s)
- Matthew B Pomrenze
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Daniel F Cardozo Pinto
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Peter A Neumann
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Pierre Llorach
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Jason M Tucciarone
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Wade Morishita
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Neir Eshel
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Boris D Heifets
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Robert C Malenka
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA.
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7
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Evaluation of the Intracellular Signaling Activities of κ-Opioid Receptor Agonists, Nalfurafine Analogs; Focusing on the Selectivity of G-Protein- and β-Arrestin-Mediated Pathways. Molecules 2022; 27:molecules27207065. [PMID: 36296658 PMCID: PMC9611050 DOI: 10.3390/molecules27207065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/15/2022] [Accepted: 10/18/2022] [Indexed: 12/30/2022] Open
Abstract
Opioid receptors (ORs) are classified into three types (μ, δ, and κ), and opioid analgesics are mainly mediated by μOR activation; however, their use is sometimes restricted by unfavorable effects. The selective κOR agonist nalfurafine was initially developed as an analgesic, but its indication was changed because of the narrow safety margin. The activation of ORs mainly induces two intracellular signaling pathways: a G-protein-mediated pathway and a β-arrestin-mediated pathway. Recently, the expectations for κOR analgesics that selectively activate these pathways have increased; however, the structural properties required for the selectivity of nalfurafine are still unknown. Therefore, we evaluated the partial structures of nalfurafine that are necessary for the selectivity of these two pathways. We assayed the properties of nalfurafine and six nalfurafine analogs (SYKs) using cells stably expressing κORs. The SYKs activated κORs in a concentration-dependent manner with higher EC50 values than nalfurafine. Upon bias factor assessment, only SYK-309 (possessing the 3S-hydroxy group) showed higher selectivity of G-protein-mediated signaling activities than nalfurafine, suggesting the direction of the 3S-hydroxy group may affect the β-arrestin-mediated pathway. In conclusion, nalfurafine analogs having a 3S-hydroxy group, such as SYK-309, could be considered G-protein-biased κOR agonists.
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8
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Gowrishankar R, Gomez A, Waliki M, Bruchas MR. Kappa-opioid receptor activation reinstates nicotine self-administration in mice. ADDICTION NEUROSCIENCE 2022; 2:100017. [PMID: 36118179 PMCID: PMC9481185 DOI: 10.1016/j.addicn.2022.100017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- Raajaram Gowrishankar
- Departments of Anesthesiology and Pain Medicine, and Pharmacology, University of Washington, Seattle WA
- Center for the Neurobiology of Addiction, Pain and Emotion, University of Washington, Seattle WA
| | - Adrian Gomez
- Department of Anesthesiology, Washington University in St. Louis MO
| | - Marie Waliki
- Department of Anesthesiology, Washington University in St. Louis MO
| | - Michael R Bruchas
- Departments of Anesthesiology and Pain Medicine, and Pharmacology, University of Washington, Seattle WA
- Department of Anesthesiology, Washington University in St. Louis MO
- Center for the Neurobiology of Addiction, Pain and Emotion, University of Washington, Seattle WA
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9
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Leconte C, Mongeau R, Noble F. Traumatic Stress-Induced Vulnerability to Addiction: Critical Role of the Dynorphin/Kappa Opioid Receptor System. Front Pharmacol 2022; 13:856672. [PMID: 35571111 PMCID: PMC9091501 DOI: 10.3389/fphar.2022.856672] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/07/2022] [Indexed: 11/13/2022] Open
Abstract
Substance use disorders (SUD) may emerge from an individual’s attempt to limit negative affective states and symptoms linked to stress. Indeed, SUD is highly comorbid with chronic stress, traumatic stress, or post-traumatic stress disorder (PTSD), and treatments approved for each pathology individually often failed to have a therapeutic efficiency in such comorbid patients. The kappa-opioid receptor (KOR) and its endogenous ligand dynorphin (DYN), seem to play a key role in the occurrence of this comorbidity. The DYN/KOR function is increased either in traumatic stress or during drug use, dependence acquisition and DYN is released during stress. The behavioural effects of stress related to the DYN/KOR system include anxiety, dissociative and depressive symptoms, as well as increased conditioned fear response. Furthermore, the DYN/KOR system is implicated in negative reinforcement after the euphoric effects of a drug of abuse ends. During chronic drug consumption DYN/KOR functions increase and facilitate tolerance and dependence. The drug-seeking behaviour induced by KOR activation can be retrieved either during the development of an addictive behaviour, or during relapse after withdrawal. DYN is known to be one of the most powerful negative modulators of dopamine signalling, notably in brain structures implicated in both reward and fear circuitries. KOR are also acting as inhibitory heteroreceptors on serotonin neurons. Moreover, the DYN/KOR system cross-regulate with corticotropin-releasing factor in the brain. The sexual dimorphism of the DYN/KOR system could be the cause of the gender differences observed in patients with SUD or/and traumatic stress-related pathologies. This review underlies experimental and clinical results emphasizing the DYN/KOR system as common mechanisms shared by SUD or/and traumatic stress-related pathologies, and suggests KOR antagonist as a new pharmacological strategy to treat this comorbidity.
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Levis SC, Baram TZ, Mahler SV. Neurodevelopmental origins of substance use disorders: Evidence from animal models of early-life adversity and addiction. Eur J Neurosci 2022; 55:2170-2195. [PMID: 33825217 PMCID: PMC8494863 DOI: 10.1111/ejn.15223] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 03/18/2021] [Accepted: 04/01/2021] [Indexed: 01/06/2023]
Abstract
Addiction is a chronic relapsing disorder with devastating personal, societal, and economic consequences. In humans, early-life adversity (ELA) such as trauma, neglect, and resource scarcity are linked with increased risk of later-life addiction, but the brain mechanisms underlying this link are still poorly understood. Here, we focus on data from rodent models of ELA and addiction, in which causal effects of ELA on later-life responses to drugs and the neurodevelopmental mechanisms by which ELA increases vulnerability to addiction can be determined. We first summarize evidence for a link between ELA and addiction in humans, then describe how ELA is commonly modeled in rodents. Since addiction is a heterogeneous disease with many individually varying behavioral aspects that may be impacted by ELA, we next discuss common rodent assays of addiction-like behaviors. We then summarize the specific addiction-relevant behavioral phenotypes caused by ELA in male and female rodents and discuss some of the underlying changes in brain reward and stress circuits that are likely responsible. By better understanding the behavioral and neural mechanisms by which ELA promotes addiction vulnerability, we hope to facilitate development of new approaches for preventing or treating addiction in those with a history of ELA.
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Affiliation(s)
- Sophia C Levis
- Department of Anatomy & Neurobiology, University of California Irvine, Irvine, CA, USA.,Department of Neurobiology & Behavior, University of California Irvine, Irvine, CA, USA
| | - Tallie Z Baram
- Department of Anatomy & Neurobiology, University of California Irvine, Irvine, CA, USA.,Department of Pediatrics, University of California Irvine, Irvine, CA, USA
| | - Stephen V Mahler
- Department of Neurobiology & Behavior, University of California Irvine, Irvine, CA, USA
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Custodio L, Malone S, Bardo MT, Turner JR. Nicotine and opioid co-dependence: Findings from bench research to clinical trials. Neurosci Biobehav Rev 2022; 134:104507. [PMID: 34968525 PMCID: PMC10986295 DOI: 10.1016/j.neubiorev.2021.12.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/17/2021] [Accepted: 12/19/2021] [Indexed: 10/19/2022]
Abstract
Concomitant use of tobacco and opioids represents a growing public health concern. In fact, the mortality rate due to smoking-related illness approaches 50% among SUD patients. Cumulative evidence demonstrates that the vulnerability to drugs of abuse is influenced by behavioral, environmental, and genetic factors. This review explores the contribution of genetics and neural mechanisms influencing nicotine and opioid reward, respiration, and antinociception, emphasizing the interaction of cholinergic and opioid receptor systems. Despite the substantial evidence demonstrating nicotine-opioid interactions within the brain and on behavior, the currently available pharmacotherapies targeting these systems have shown limited efficacy for smoking cessation on opioid-maintained smokers. Thus, further studies designed to identify novel targets modulating both nicotinic and opioid receptor systems may lead to more efficacious approaches for co-morbid nicotine dependence and opioid use disorder.
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Affiliation(s)
- Lilian Custodio
- Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY, USA
| | - Samantha Malone
- Department of Psychology, University of Kentucky, Lexington, KY, USA
| | - Michael T Bardo
- Department of Psychology, University of Kentucky, Lexington, KY, USA
| | - Jill R Turner
- Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY, USA.
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12
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Stress decreases serotonin tone in the nucleus accumbens in male mice to promote aversion and potentiate cocaine preference via decreased stimulation of 5-HT 1B receptors. Neuropsychopharmacology 2022; 47:891-901. [PMID: 34564712 PMCID: PMC8882182 DOI: 10.1038/s41386-021-01178-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/25/2021] [Accepted: 09/01/2021] [Indexed: 02/08/2023]
Abstract
Stress-induced release of dynorphins (Dyn) activates kappa opioid receptors (KOR) in serotonergic neurons to produce dysphoria and potentiate drug reward; however, the circuit mechanisms responsible for this effect are not known. In male mice, we found that conditional deletion of KOR from Slc6a4 (SERT)-expressing neurons blocked stress-induced potentiation of cocaine conditioned place preference (CPP). Within the dorsal raphe nucleus (DRN), two overlapping populations of KOR-expressing neurons: Slc17a8 (VGluT3) and SERT, were distinguished functionally and anatomically. Optogenetic inhibition of these SERT+ neurons potentiated subsequent cocaine CPP, whereas optical inhibition of the VGluT3+ neurons blocked subsequent cocaine CPP. SERT+/VGluT3- expressing neurons were concentrated in the lateral aspect of the DRN. SERT projections from the DRN were observed in the medial nucleus accumbens (mNAc), but VGluT3 projections were not. Optical inhibition of SERT+ neurons produced place aversion, whereas optical stimulation of SERT+ terminals in the mNAc attenuated stress-induced increases in forced swim immobility and subsequent cocaine CPP. KOR neurons projecting to mNAc were confined to the lateral aspect of the DRN, and the principal source of dynorphinergic (Pdyn) afferents in the mNAc was from local neurons. Excision of Pdyn from the mNAc blocked stress-potentiation of cocaine CPP. Prior studies suggested that stress-induced dynorphin release within the mNAc activates KOR to potentiate cocaine preference by a reduction in 5-HT tone. Consistent with this hypothesis, a transient pharmacological blockade of mNAc 5-HT1B receptors potentiated subsequent cocaine CPP. 5-HT1B is known to be expressed on 5-HT terminals in NAc, and 5-HT1B transcript was also detected in Pdyn+, Adora2a+ and ChAT+ (markers for direct pathway, indirect pathway, and cholinergic interneurons, respectively). Following stress exposure, 5-HT1B transcript was selectively elevated in Pdyn+ cells of the mNAc. These findings suggest that Dyn/KOR regulates serotonin activation of 5HT1B receptors within the mNAc and dynamically controls stress response, affect, and drug reward.
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13
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Askari N, Mousavi A, Vaez-Mahdavi MR. Maternal deprivation effect on morphine-induced CPP is related to changes in Opioid receptors in selected rat brain regions (hippocampus, prefrontal cortex, and nucleus accumbens). Behav Processes 2022; 197:104607. [PMID: 35218881 DOI: 10.1016/j.beproc.2022.104607] [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: 09/19/2021] [Revised: 02/19/2022] [Accepted: 02/20/2022] [Indexed: 11/16/2022]
Abstract
Early-life environmental conditions affect offspring's development. Maternal deprivation (MD) can induce persistent changes that give rise to neuropsychiatric diseases including substance abuse disorders. However, long-lasting mechanisms that determine vulnerability to drug addiction remain unknown. We hypothesized that MD could induce changes in Opioid system, HPA (hypothalamic-pituitary-adrenal) axis, and BDNF (brain-derived neurotrophic factor), so may be involved in the drug abuse in later life. Male offspring of Wistar rats (n=8 per group) were subjected to 3h of daily MD during postnatal days 1-14. In adulthood, morphine-induced CPP (conditioned place preference) was investigated using two doses of morphine (3 and 5mg/kg). Serum corticosterone level was measured by ELISA method. The expression level of genes in selected brain regions (hippocampus, prefrontal cortex, and nucleus accumbens) was determined by qPCR (quantitative PCR). A greater morphine-induced CPP was observed in MD rats with 3 and 5mg/kg morphine compared to controls. MD group had a higher corticosterone level. A significant decrease was observed in the expression of BDNF gene (in all of the selected brain regions) and GR (glucocorticoid receptor) gene (in the hippocampus and nucleus accumbens) in MD rats. Also, a significant increase in the expression of μ Opioid receptor (in all of the selected brain regions) and κ Opioid receptor (in the prefrontal cortex and nucleus accumbens) was observed in MD rats. Our results suggest that MD induces alterations in the HPA axis function, BDNF level, and Opioid receptors system that enhance vulnerability to morphine at adulthood.
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Affiliation(s)
- Nayere Askari
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, I.R. Iran; Immunoregulation Research Center, Shahed University, Tehran, I.R. Iran.
| | - Ali Mousavi
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, I.R. Iran
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14
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Cox BM, Toll L. Contributions of the International Narcotics Research Conference to Opioid Research Over the Past 50 years. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2022; 2:10115. [PMID: 38390618 PMCID: PMC10880772 DOI: 10.3389/adar.2022.10115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/14/2022] [Indexed: 02/24/2024]
Abstract
The International Narcotics Research Conference (INRC), founded in 1969, has been a successful forum for research into the actions of opiates, with an annual conference since 1971. Every year, scientists from around the world have congregated to present the latest data on novel opiates, opiate receptors and endogenous ligands, mechanisms of analgesic activity and unwanted side effects, etc. All the important discoveries in the opiate field were discussed, often first, at the annual INRC meeting. With an apology to important events and participants not discussed, this review presents a short history of INRC with a discussion of groundbreaking discoveries in the opiate field and the researchers who presented from the first meeting up to the present.
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Affiliation(s)
- Brian M Cox
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Lawrence Toll
- Department of Biomedical Sciences, Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, United States
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15
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Zhu C, Wang L, Ding J, Li H, Wan D, Sun Y, Guo B, He Z, Ren X, Jiang S, Gao C, Guo H, Sun T, Wang F. Effects of Glucagon-Like Peptide-1 Receptor Agonist Exendin-4 on the Reinstatement of Cocaine-Mediated Conditioned Place Preference in Mice. Front Behav Neurosci 2022; 15:769664. [PMID: 35069139 PMCID: PMC8766416 DOI: 10.3389/fnbeh.2021.769664] [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: 09/02/2021] [Accepted: 12/01/2021] [Indexed: 11/13/2022] Open
Abstract
A high percentage of relapse to compulsive cocaine-taking and cocaine-seeking behaviors following abstinence constitutes a major obstacle to the clinical treatment of cocaine addiction. Thus, there is a substantial need to develop effective pharmacotherapies for the prevention of cocaine relapse. The reinstatement paradigm is known as the most commonly used animal model to study relapse in abstinent human addicts. The primary aim of this study is to investigate the potential effects of systemic administration of glucagon-like peptide-1 receptor agonist (GLP-1RA) exendin-4 (Ex4) on the cocaine- and stress-triggered reinstatement of cocaine-induced conditioned place preference (CPP) in male C57BL/6J mice. The biased CPP paradigm was induced by alternating administration of saline and cocaine (20 mg/kg), followed by extinction training and then reinstatement by either a cocaine prime (10 mg/kg) or exposure to swimming on the reinstatement test day. To examine the effects of Ex4 on the reinstatement, Ex4 was systemically administered 1 h after the daily extinction session. Additionally, we also explored the associated molecular basis of the behavioral effects of Ex4. The expression of nuclear factor κβ (NF-κβ) in the nucleus accumbens (NAc) was detected using Western blotting. As a result, all animals that were treated with cocaine during the conditioning period successfully acquired CPP, and their CPP response was extinguished after 8 extinction sessions. Furthermore, the animals that were exposed to cocaine or swimming on the reinstatement day showed a significant reinstatement of CPP. Interestingly, systemic pretreatment with Ex4 was sufficient to attenuate cocaine- and stress-primed reinstatement of cocaine-induced CPP. Additionally, the expression of NF-κβ, which was upregulated by cocaine, was normalized by Ex4 in the cocaine-experienced mice. Altogether, our study reveals the novel effect of Ex4 on the reinstatement of cocaine-induced CPP and suggests that GLP-1R agonists appear to be highly promising drugs in the treatment of cocaine use disorder.
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Affiliation(s)
- Changliang Zhu
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Lei Wang
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Jiangwei Ding
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Hailiang Li
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Din Wan
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Yangyang Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Baorui Guo
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Zhenquan He
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Xiaofan Ren
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Shucai Jiang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Caibing Gao
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Hua Guo
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- *Correspondence: Hua Guo,
| | - Tao Sun
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
- Tao Sun,
| | - Feng Wang
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
- Feng Wang,
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16
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Fundamentals of the Dynorphins/Kappa Opioid Receptor System: From Distribution to Signaling and Function. Handb Exp Pharmacol 2022; 271:3-21. [PMID: 33754230 PMCID: PMC9013522 DOI: 10.1007/164_2021_433] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This chapter provides a general introduction to the dynorphins (DYNs)/kappa opioid receptor (KOR) system, including DYN peptides, neuroanatomy of the DYNs/KOR system, cellular signaling, and in vivo behavioral effects of KOR activation and inhibition. It is intended to serve as a primer for the book and to provide a basic background for the chapters in the book.
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17
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Estave PM, Spodnick MB, Karkhanis AN. KOR Control over Addiction Processing: An Exploration of the Mesolimbic Dopamine Pathway. Handb Exp Pharmacol 2022; 271:351-377. [PMID: 33301050 PMCID: PMC8192597 DOI: 10.1007/164_2020_421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Drug addiction is a complex, persistent, and chronically relapsing neurological disorder exacerbated by acute and chronic stress. It is well known that the dynorphin/kappa opioid receptor (KOR) system regulates stress perception and responsivity, while the mesolimbic dopamine system plays a role in reward and reinforcement associated with alcohol and substance use disorders. Interestingly, the dopamine and dynorphin/KOR systems are highly integrated in mesolimbic areas, with KOR activation leading to inhibition of dopamine release, further altering the perception of reinforcing and aversive stimuli. Chronic or repeated exposure to stress or drugs potentiates KOR function ultimately contributing to a hypodopaminergic state. This hypodopaminergic state is one of the hallmarks of hyperkatifeia, defined as the hypersensitivity to emotional distress that is exacerbated during drug withdrawal and abstinence. The relationship between stress and drug addiction is bidirectional; repeated/chronic stress promotes pro-addictive behaviors, and repeated cycles of drug exposure and withdrawal, across various drug classes, produces stress. Neuroadaptations driven by this bidirectional relationship ultimately influence the perception of the reinforcing value of rewarding stimuli. In this chapter, we address the involvement of the dopamine and dynorphin/KOR systems and their interactions in shaping reinforcement value processing after drug and stress exposure, as well as a combinatorial impact of both drugs and stress.
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Affiliation(s)
- Paige M Estave
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Mary B Spodnick
- Department of Psychology, Developmental Exposure Alcohol Research Center, Center for Developmental and Behavioral Neuroscience, Binghamton University - SUNY, Binghamton, NY, USA
| | - Anushree N Karkhanis
- Department of Psychology, Developmental Exposure Alcohol Research Center, Center for Developmental and Behavioral Neuroscience, Binghamton University - SUNY, Binghamton, NY, USA.
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18
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Avila JA, Memos N, Aslan A, Andrejewski T, Luine VN, Serrano PA. Voluntary oral methamphetamine increases memory deficits and contextual sensitization during abstinence associated with decreased PKMζ and increased κOR in the hippocampus of female mice. J Psychopharmacol 2021; 35:1240-1252. [PMID: 34587831 PMCID: PMC9083019 DOI: 10.1177/02698811211048285] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Female populations exhibit vulnerabilities to psychostimulant addiction, as well as cognitive dysfunction following bouts of abuse. AIMS The goal for this study was to advance our understanding of the mechanisms that produce sex disparities in drug addiction. METHODS We used an animal model for voluntary oral methamphetamine administration (VOMA) and focused on male and female mice that consumed 7.6-8.2 mg/kg of methamphetamine (MA) per day during the last 18 days of the paradigm. RESULTS The VOMA-exposed female mice displayed increased locomotor activity in the drug-administration context compared to male mice, demonstrating sex-specific changes in contextual sensitization. During 2 weeks of forced abstinence, mice underwent further behavioral testing. We show that abstinence increased open-arm entries on the elevated plus maze in both sexes. There were no differences in immobility on the tail suspension test. In a hippocampal-dependent radial arm maze task, VOMA-treated female mice, but not male mice, showed working memory deficits. Hippocampal tissue was collected and analyzed using Western blotting. VOMA-exposed female mice exhibited increased kappa opioid receptor (κOR) expression in the hippocampus compared to male mice, suggesting a vulnerability toward abstinence-induced dysphoria. Female VOMA mice also exhibited a decrease in the memory protein marker, protein kinase M zeta (PKMζ), in the hippocampus. CONCLUSIONS Our study reveals sex-specific effects following abstinence from chronic MA consumption on hippocampal κOR and PKMζ expression, suggesting that these neural changes in female mice may underlie spatial memory deficits and identify an increased susceptibility to dysregulated neural mechanisms. These data validate VOMA as a model sensitive to sex differences in behavior and hippocampal neurochemistry following chronic MA exposure.
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Affiliation(s)
- Jorge A. Avila
- Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA.,The Graduate Center of CUNY, New York, NY 10016, USA
| | - Nicoletta Memos
- Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA.,The Graduate Center of CUNY, New York, NY 10016, USA
| | - Abdurrahman Aslan
- Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA.,Department of Pharmacology, Health Sciences Center, Louisiana State University, New Orleans, LA,Department of Pharmacology, Istinye University, Istanbul, Turkey
| | - Tytus Andrejewski
- Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA
| | - Victoria N. Luine
- Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA.,The Graduate Center of CUNY, New York, NY 10016, USA
| | - Peter A. Serrano
- Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA.,The Graduate Center of CUNY, New York, NY 10016, USA
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19
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Hillhouse TM, Olson KM, Hallahan JE, Rysztak LG, Sears BF, Meurice C, Ostovar M, Koppenhaver PO, West JL, Jutkiewicz EM, Husbands SM, Traynor JR. The Buprenorphine Analogue BU10119 Attenuates Drug-Primed and Stress-Induced Cocaine Reinstatement in Mice. J Pharmacol Exp Ther 2021; 378:287-299. [PMID: 34183434 PMCID: PMC11047085 DOI: 10.1124/jpet.121.000524] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 06/22/2021] [Indexed: 01/01/2023] Open
Abstract
There are no Food and Drug Administration-approved medications for cocaine use disorder, including relapse. The μ-opioid receptor (MOPr) partial agonist buprenorphine alone or in combination with naltrexone has been shown to reduce cocaine-positive urine tests and cocaine seeking in rodents. However, there are concerns over the abuse liability of buprenorphine. Buprenorphine's partial agonist and antagonist activity at the nociception receptor (NOPr) and κ-opioid receptor (KOPr), respectively, may contribute to its ability to inhibit cocaine seeking. Thus, we hypothesized that a buprenorphine derivative that exhibits antagonist activity at MOPr and KOPr with enhanced agonist activity at the NOPr could provide a more effective treatment. Here we compare the pharmacology of buprenorphine and two analogs, BU10119 and BU12004, in assays for antinociception and for cocaine- and stress-primed reinstatement in the conditioned place preference paradigm. In vitro and in vivo assays showed that BU10119 acts as an antagonist at MOPr, KOPr, and δ-opioid receptor (DOPr) and a partial agonist at NOPr, whereas BU12004 showed MOPr partial agonist activity and DOPr, KOPr, and NOPr antagonism. BU10119 and buprenorphine but not BU12004 lessened cocaine-primed reinstatement. In contrast, BU10119, BU12004, and buprenorphine blocked stress-primed reinstatement. The selective NOPr agonist SCH221510 but not naloxone decreased cocaine-primed reinstatement. Together, these findings are consistent with the concept that NOPr agonism contributes to the ability of BU10119 and buprenorphine to attenuate reinstatement of cocaine-conditioned place preference in mice. The findings support the development of buprenorphine analogs lacking MOPr agonism with increased NOPr agonism for relapse prevention to cocaine addiction. SIGNIFICANCE STATEMENT: There are no Food and Drug Administration-approved medications for cocaine use disorder. Buprenorphine has shown promise as a treatment for cocaine relapse prevention; however, there are concerns over the abuse liability of buprenorphine. Here we show a buprenorphine analogue, BU10119, which lacks μ-opioid receptor agonism and inhibits cocaine-primed and stress-primed reinstatement in a conditioned place-preference paradigm. The results suggest the development of BU10119 for the management of relapse to cocaine seeking.
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Affiliation(s)
- Todd M Hillhouse
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Keith M Olson
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - James E Hallahan
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Lauren G Rysztak
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Bryan F Sears
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Claire Meurice
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Mehrnoosh Ostovar
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Peyton O Koppenhaver
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Joshua L West
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Emily M Jutkiewicz
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - Stephen M Husbands
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
| | - John R Traynor
- Department of Psychology, University of Wisconsin Green Bay, Green Bay, Wisconsin (T.M.H., P.O.K.); Department of Pharmacology and Edward F. Domino Research Center, University of Michigan Medical School, Ann Arbor, Michigan (K.M.O., J.E.H., L.G.R., B.F.S., C.M., J.W., E.M.J., J.R.T.); Department of Pharmacy and Pharmacology, and Center for Therapeutic Innovation, University of Bath, Bath, United Kingdom (M.O., S.M.H.); and Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan (J.R.T.)
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20
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Martin EL, Doncheck EM, Reichel CM, McRae-Clark AL. Consideration of sex as a biological variable in the translation of pharmacotherapy for stress-associated drug seeking. Neurobiol Stress 2021; 15:100364. [PMID: 34345636 PMCID: PMC8319013 DOI: 10.1016/j.ynstr.2021.100364] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/23/2021] [Accepted: 07/08/2021] [Indexed: 12/01/2022] Open
Abstract
Stress is a frequent precipitant of relapse to drug use. Pharmacotherapies targeting a diverse array of neural systems have been assayed for efficacy in attenuating stress-induced drug-seeking in both rodents and in humans, but none have shown enough evidence of utility to warrant routine use in the clinic. We posit that a critical barrier in effective translation is inattention to sex as a biological variable at all phases of the research process. In this review, we detail the neurobiological systems implicated in stress-induced relapse to cocaine, opioids, methamphetamine, and cannabis, as well as the pharmacotherapies that have been used to target these systems in rodent models, the human laboratory, and in clinical trials. In each of these areas we additionally describe the potential influences of biological sex on outcomes, and how inattention to fundamental sex differences can lead to biases during drug development that contribute to the limited success of large clinical trials. Based on these observations, we determine that of the pharmacotherapies discussed only α2-adrenergic receptor agonists and oxytocin have a body of research with sufficient consideration of biological sex to warrant further clinical evaluation. Pharmacotherapies that target β-adrenergic receptors, other neuroactive peptides, the hypothalamic-pituitary-adrenal axis, neuroactive steroids, and the endogenous opioid and cannabinoid systems require further assessment in females at the preclinical and human laboratory levels before progression to clinical trials can be recommended.
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Affiliation(s)
- Erin L Martin
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Elizabeth M Doncheck
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Carmela M Reichel
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Aimee L McRae-Clark
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, 29425, USA.,Department of Psychiatry, Medical University of South Carolina, Charleston, SC, 29425, USA
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21
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Caccamise A, Van Newenhizen E, Mantsch JR. Neurochemical mechanisms and neurocircuitry underlying the contribution of stress to cocaine seeking. J Neurochem 2021; 157:1697-1713. [PMID: 33660857 DOI: 10.1111/jnc.15340] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/26/2021] [Accepted: 02/28/2021] [Indexed: 12/12/2022]
Abstract
In individuals with substance use disorders, stress is a critical determinant of relapse susceptibility. In some cases, stressors directly trigger cocaine use. In others, stressors interact with other stimuli to promote drug seeking, thereby setting the stage for relapse. Here, we review the mechanisms and neurocircuitry that mediate stress-triggered and stress-potentiated cocaine seeking. Stressors trigger cocaine seeking by activating noradrenergic projections originating in the lateral tegmentum that innervate the bed nucleus of the stria terminalis to produce beta adrenergic receptor-dependent regulation of neurons that release corticotropin releasing factor (CRF) into the ventral tegmental area (VTA). CRF promotes the activation of VTA dopamine neurons that innervate the prelimbic prefrontal cortex resulting in D1 receptor-dependent excitation of a pathway to the nucleus accumbens core that mediates cocaine seeking. The stage-setting effects of stress require glucocorticoids, which exert rapid non-canonical effects at several sites within the mesocorticolimbic system. In the nucleus accumbens, corticosterone attenuates dopamine clearance via the organic cation transporter 3 to promote dopamine signaling. In the prelimbic cortex, corticosterone mobilizes the endocannabinoid, 2-arachidonoylglycerol (2-AG), which produces CB1 receptor-dependent reductions in inhibitory transmission, thereby increasing excitability of neurons which comprise output pathways responsible for cocaine seeking. Factors that influence the role of stress in cocaine seeking, including prior history of drug use, biological sex, chronic stress/co-morbid stress-related disorders, adolescence, social variables, and genetics are discussed. Better understanding when and how stress contributes to drug seeking should guide the development of more effective interventions, particularly for those whose drug use is stress related.
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Affiliation(s)
- Aaron Caccamise
- Graduate Program in Neuroscience, Marquette University, Milwaukee, WI, USA
| | - Erik Van Newenhizen
- Department of Pharmacology & Toxicology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - John R Mantsch
- Department of Pharmacology & Toxicology, Medical College of Wisconsin, Milwaukee, WI, USA
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22
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Rizk MM, Herzog S, Dugad S, Stanley B. Suicide Risk and Addiction: The Impact of Alcohol and Opioid Use Disorders. CURRENT ADDICTION REPORTS 2021; 8:194-207. [PMID: 33747710 PMCID: PMC7955902 DOI: 10.1007/s40429-021-00361-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 01/05/2023]
Abstract
Purpose of Review Suicide is a major public health concern and a leading cause of death in the US. Alcohol and opioid use disorders (AUD/OUD) significantly increase risk for suicidal ideation, attempts, and death, and are the two most frequently implicated substances in suicide risk. We provide a brief overview of shared risk factors and pathways in the pathogenesis of AUD/OUD and suicidal thoughts and behaviors. We also review clinical recommendations on inpatient care, pharmacotherapy, and psychotherapeutic interventions for people with AUD/OUD and co-occurring suicidal ideation and behavior. Recent Findings Among people with an underlying vulnerability to risk-taking and impulsive behaviors, chronic alcohol intoxication can increase maladaptive coping behaviors and hinder self-regulation, thereby increasing the risk of suicide. Additionally, chronic opioid use can result in neurobiological changes that lead to increases in negative affective states, jointly contributing to suicide risk and continued opioid use. Despite significantly elevated suicide risk in individuals with AUD/OUD, there is a dearth of research on pharmacological and psychosocial interventions for co-occurring AUD/OUD and suicidal ideation and behavior. Summary Further research is needed to understand the effects of alcohol and opioid use on suicide risk, as well as address notable gaps in the literature on psychosocial and pharmacological interventions to lower risk for suicide among individuals with AUD/OUD.
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Affiliation(s)
- Mina M. Rizk
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
- Department of Psychiatry, Faculty of Medicine, Minia University, Egypt, Egypt
| | - Sarah Herzog
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
| | - Sanjana Dugad
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Barbara Stanley
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
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23
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Wang H, Cao D, Gillespie JC, Mendez RE, Selley DE, Liu-Chen LY, Zhang Y. Exploring the putative mechanism of allosteric modulations by mixed-action kappa/mu opioid receptor bitopic modulators. Future Med Chem 2021; 13:551-573. [PMID: 33590767 PMCID: PMC8027703 DOI: 10.4155/fmc-2020-0308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 01/14/2021] [Indexed: 12/26/2022] Open
Abstract
The modulation and selectivity mechanisms of seven mixed-action kappa opioid receptor (KOR)/mu opioid receptor (MOR) bitopic modulators were explored. Molecular modeling results indicated that the 'message' moiety of seven bitopic modulators shared the same binding mode with the orthosteric site of the KOR and MOR, whereas the 'address' moiety bound with different subdomains of the allosteric site of the KOR and MOR. The 'address' moiety of seven bitopic modulators bound to different subdomains of the allosteric site of the KOR and MOR may exhibit distinguishable allosteric modulations to the binding affinity and/or efficacy of the 'message' moiety. Moreover, the 3-hydroxy group on the phenolic moiety of the seven bitopic modulators induced selectivity to the KOR over the MOR.
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Affiliation(s)
- Huiqun Wang
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Danni Cao
- Center for Substance Abuse Research, Temple University Lewis Katz School of Medicine, Philadelphia, PA 19140, USA
| | - James C Gillespie
- Department of Pharmacology & Toxicology, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Rolando E Mendez
- Department of Pharmacology & Toxicology, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Dana E Selley
- Department of Pharmacology & Toxicology, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Lee-Yuan Liu-Chen
- Center for Substance Abuse Research, Temple University Lewis Katz School of Medicine, Philadelphia, PA 19140, USA
| | - Yan Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, USA
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24
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Kaski SW, White AN, Gross JD, Siderovski DP. Potential for Kappa-Opioid Receptor Agonists to Engineer Nonaddictive Analgesics: A Narrative Review. Anesth Analg 2021; 132:406-419. [PMID: 33332902 DOI: 10.1213/ane.0000000000005309] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A serious adverse effect of prescription opioid analgesics is addiction, both to these analgesics and to illicit drugs like heroin that also activate the µ-opioid receptor (MOR). Opioid use disorder (OUD) and opioid overdose deaths represent a current American health crisis, and the prescription of opioid analgesics has contributed significantly to this crisis. While prescription opioids are highly effective analgesics, there currently exists no facile way to use them for extended periods without the risk of addiction. If addiction caused by MOR-targeting analgesics could be blocked by blending in a new "antiaddiction" ingredient that does not diminish analgesia and does not introduce its own therapeutically limiting side effects, then continued clinical use of prescription opioids for treating pain could be maintained (or even enhanced) instead of curtailed. In this narrative review, we contextualize this hypothesis, first with a brief overview of the current American opioid addiction crisis. The neurobiology of 2 key receptors in OUD development, MOR and the κ-opioid receptor (KOR), is then discussed to highlight the neuroanatomical features and circuitry in which signal transduction from these receptors lie in opposition-creating opportunities for pharmacological intervention in curtailing the addictive potential of MOR agonism. Prior findings with mixed MOR/KOR agonists are considered before exploring new potential avenues such as biased KOR agonists. New preclinical data are highlighted, demonstrating that the G protein-biased KOR agonist nalfurafine reduces the rewarding properties of MOR-targeting analgesics and enhances MOR-targeting analgesic-induced antinociception. Finally, we discuss the recent discovery that a regulator of G protein signaling (namely, RGS12) is a key component of signaling bias at KOR, presenting another drug discovery target toward identifying a single agent or adjuvant to be added to traditional opioid analgesics that could reduce or eliminate the addictive potential of the latter drug.
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Affiliation(s)
- Shane W Kaski
- From the Departments of Neuroscience and Behavioral Medicine & Psychiatry, West Virginia University, Morgantown, West Virginia
| | - Allison N White
- From the Departments of Neuroscience and Behavioral Medicine & Psychiatry, West Virginia University, Morgantown, West Virginia
| | - Joshua D Gross
- Department of Cell Biology, Duke University Medical Center, Durham, North Carolina
| | - David P Siderovski
- Department of Pharmacology & Neuroscience, University of North Texas Health Science Center, Fort Worth, Texas
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25
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Abstract
Pain is complex and is a unique experience for individuals in that no two people will have exactly the same physiological and emotional response to the same noxious stimulus or injury. Pain is composed of two essential processes: a sensory component that allows for discrimination of the intensity and location of a painful stimulus and an emotional component that underlies the affective, motivational, unpleasant, and aversive response to a painful stimulus. Kappa opioid receptor (KOR) activation in the periphery and throughout the neuroaxis modulates both of these components of the pain experience. In this chapter we focus on recent findings that KORs contribute to the emotional, aversive nature of chronic pain, including how expression in the limbic circuitry contributes to anhedonic states and components of opioid misuse disorder. While the primary focus is on preclinical pain models, we also highlight clinical or human research where there is strong evidence for KOR involvement in negative affective states associated with chronic pain and opioid misuse.
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26
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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: 80] [Impact Index Per Article: 20.0] [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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27
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Shinohara F, Arakaki S, Amano T, Minami M, Kaneda K. Noradrenaline enhances the excitatory effects of dopamine on medial prefrontal cortex pyramidal neurons in rats. Neuropsychopharmacol Rep 2020; 40:348-354. [PMID: 32897002 PMCID: PMC7722652 DOI: 10.1002/npr2.12135] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/18/2020] [Accepted: 08/13/2020] [Indexed: 01/29/2023] Open
Abstract
Aim Our previous studies showed that exposure to acute restraint stress enhanced cocaine‐induced conditioned place preference (cocaine‐CPP) and suggested the possibility that co‐activation of adrenergic transmission boosts the increase in medial prefrontal cortex (mPFC) neuronal activity by the activation of dopaminergic transmission. To examine this possibility, the effects of the co‐treatment with dopamine (DA) and noradrenaline (NA) on mPFC neurons were compared with those of treatment with DA alone using whole‐cell patch‐clamp recordings. Methods The effects of DA alone and a mixture of DA and NA on the membrane potentials and spontaneous excitatory postsynaptic currents (sEPSCs) were examined by electrophysiological recordings of mPFC pyramidal neurons in brain slices of male Sprague Dawley rats. Extracellular DA and NA levels in the mPFC during and after restraint stress exposure were also examined by in vivo microdialysis. Results Dopamine significantly produced depolarizing effects on mPFC neurons and tended to increase sEPSC frequency. Co‐administration of NA with DA produced stronger depolarizing effects and significantly increased sEPSC frequency. The findings suggest that the additional depolarizing effect of NA on DA‐responsive neurons, rather than the excitation of DA‐nonresponsive neurons by NA, contributes to the stronger effect of co‐treatment of NA with DA. Conclusion The present study suggests that NA released by restraint stress exposure cooperates with DA to stimulate DA‐responsive neurons in the mPFC, thereby causing the stress‐induced enhancement of cocaine‐CPP. Our previous studies showed that exposure to acute restraint stress enhanced cocaine‐induced conditioned place preference (cocaine‐CPP). The present study revealed that noradrenaline enhanced the excitatory effects of dopamine on medial prefrontal cortex (mPFC) pyramidal neurons in rats. Noradrenaline released by restraint stress exposure may cooperate with dopamine to stimulate dopamine‐responsive neurons in the mPFC, thereby causing the stress‐induced enhancement of cocaine‐CPP.![]()
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Affiliation(s)
- Fumiya Shinohara
- Department of PharmacologyGraduate School of Pharmaceutical SciencesHokkaido UniversitySapporoJapan
| | - Saya Arakaki
- Department of PharmacologyGraduate School of Pharmaceutical SciencesHokkaido UniversitySapporoJapan
| | - Taiju Amano
- Department of PharmacologyGraduate School of Pharmaceutical SciencesHokkaido UniversitySapporoJapan
| | - Masabumi Minami
- Department of PharmacologyGraduate School of Pharmaceutical SciencesHokkaido UniversitySapporoJapan
| | - Katsuyuki Kaneda
- Laboratory of Molecular PharmacologyInstitute of Medical, Pharmaceutical and Health SciencesKanazawa UniversityKanazawaJapan
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28
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Lorente JD, Cuitavi J, Campos-Jurado Y, Hipólito L. Pain-induced alterations in the dynorphinergic system within the mesocorticolimbic pathway: Implication for alcohol addiction. J Neurosci Res 2020; 100:165-182. [PMID: 32770601 DOI: 10.1002/jnr.24703] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/08/2020] [Accepted: 07/09/2020] [Indexed: 12/13/2022]
Abstract
Latest studies have revealed that pain negatively impacts on reward processing and motivation leading to negative affective states and stress. These states not only reduce quality of life of patients by increasing the appearance of psychiatric comorbidities, but also have an important impact on vulnerability to drug abuse, including alcohol. In fact, clinical, epidemiological but also preclinical studies have revealed that the presence of pain is closely related to alcohol use disorders (AUDs). All this evidence suggests that pain is a factor that increases the risk of suffering AUD, predicting heavy drinking behavior and relapse drinking in those patients with a previous history of AUD. The negative consequences of chronic pain and its impact on stress and AUD are likely mediated by alterations in the central nervous system, especially in the stress and reward systems. Therefore, pain and stress impact on dopaminergic mesolimbic pathway can lead to an increase in drug abuse liability. In this mini review we analyze the interaction between pain, stress, and alcohol addiction, and how dynamic changes in the kappa opioid system might play a crucial role in the development of compulsive alcohol drinking in chronic pain patients.
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Affiliation(s)
- Jesús David Lorente
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
| | - Javier Cuitavi
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
| | - Yolanda Campos-Jurado
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
| | - Lucía Hipólito
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
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29
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Karkhanis AN, Al-Hasani R. Dynorphin and its role in alcohol use disorder. Brain Res 2020; 1735:146742. [PMID: 32114059 DOI: 10.1016/j.brainres.2020.146742] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 02/04/2020] [Accepted: 02/25/2020] [Indexed: 02/07/2023]
Abstract
The dynorphin / kappa opioid receptor (KOR) system has been implicated in many aspects that influence neuropsychiatric disorders. Namely, this system modulates neural circuits that primarily regulate reward seeking, motivation processing, stress responsivity, and pain sensitivity, thus affecting the development of substance and alcohol use disorder (AUD). The effects of this system are often bidirectional and depend on projection targets. To date, a majority of the studies focusing on this system have examined the KOR function using agonists and antagonists. Indeed, there are studies that have examined prodynorphin and dynorphin levels by measuring mRNA and tissue content levels; however, static levels of the neuropeptide and its precursor do not explain complete and online function of the peptide as would be explained by measuring dynorphin transmission in real time. New and exciting methods using optogenetics, chemogenetics, genetic sensors, fast scan cyclic voltammetry are now being developed to detect various neuropeptides with a focus on opioid peptides, including dynorphin. In this review we discuss studies that examine dynorphin projections in areas involved in AUD, its functional involvement in AUD and vulnerability to develop AUD at various ages. Moreover, we discuss dynorphin's role in promoting AUD by dysregulation motivation circuits and how advancements in opioid peptide detection will further our understanding.
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Affiliation(s)
- Anushree N Karkhanis
- Department of Psychology, Developmental Exposure Alcohol Research Center, Center for Developmental and Behavioral Neuroscience, Binghamton University - SUNY, 4400 Vestal Parkway East, Binghamton, NY 13902, USA.
| | - Ream Al-Hasani
- Department of Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, Department of Anesthesiology Washington University in St. Louis, Center for Clinical Pharmacology, Washington University School of Medicine & St. Louis College of Pharmacy 660 S.Euclid, Box 8054, St. Louis, MO 63110, USA.
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30
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Blevins D, Martinez D. Role for kappa-opioid system in stress-induced cocaine use uncovered with PET. Neuropsychopharmacology 2020; 45:233-234. [PMID: 31501528 PMCID: PMC6879485 DOI: 10.1038/s41386-019-0512-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Derek Blevins
- 0000 0000 8499 1112grid.413734.6Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY USA
| | - Diana Martinez
- Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY, USA.
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31
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Regier PS, Kampman KM, Childress AR. Clinical Trials for Stimulant Use Disorders: Addressing Heterogeneities That May Undermine Treatment Outcomes. Handb Exp Pharmacol 2020; 258:299-322. [PMID: 32193666 DOI: 10.1007/164_2019_303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In recent years, use of cocaine and amphetamines and deaths associated with stimulants have been on the rise, and there are still no FDA-approved medications for stimulant use disorders. One contributing factor may involve heterogeneity. At the neurobiological level, dual dopamine dysfunction may be undermining medication efficacy, suggesting a need for combination pharmacotherapies. At the population level, individual variability is expressed in a number of ways and, if left unaddressed, may interfere with medication efficacy. This chapter reviews studies investigating medications to address dopamine dysfunction, and it also identifies several prominent heterogeneities associated with stimulant (and other substance) use disorders. The chapter has implications for improving interventions to treat stimulant use disorders, and the theme of individual heterogeneity may have broader application across substance use disorders.
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Affiliation(s)
- Paul S Regier
- Department of Psychiatry, Perelman School of Medicine, Center for Studies of Addiction, University of Pennsylvania, Philadelphia, PA, USA.
| | - Kyle M Kampman
- Department of Psychiatry, Perelman School of Medicine, Center for Studies of Addiction, University of Pennsylvania, Philadelphia, PA, USA
| | - Anna Rose Childress
- Department of Psychiatry, Perelman School of Medicine, Center for Studies of Addiction, University of Pennsylvania, Philadelphia, PA, USA
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32
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de Laat B, Goldberg A, Shi J, Tetrault JM, Nabulsi N, Zheng MQ, Najafzadeh S, Gao H, Kapinos M, Ropchan J, O'Malley SS, Huang Y, Morris ED, Krishnan-Sarin S. The Kappa Opioid Receptor Is Associated With Naltrexone-Induced Reduction of Drinking and Craving. Biol Psychiatry 2019; 86:864-871. [PMID: 31399255 DOI: 10.1016/j.biopsych.2019.05.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/23/2019] [Accepted: 05/28/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Naltrexone is a nonselective opioid receptor antagonist used as a treatment for alcohol use disorder. However, only modest clinical effects have been observed, possibly because of limited knowledge about the biological variables affecting the efficacy of naltrexone. We investigated the potential role of the kappa opioid receptor (KOR) in the therapeutic effect of naltrexone. METHODS A total of 48 non-treatment-seeking heavy drinkers (16 women) who met DSM-IV criteria for alcohol dependence participated in two alcohol drinking paradigms (ADPs) separated by a week of open-label naltrexone (100 mg daily). Craving, assessed with the Alcohol Urge Questionnaire and the Yale Craving Scale, and drinking behavior were recorded in each ADP. Prior to naltrexone initiation, KOR availability was determined in the amygdala, hippocampus, pallidum, striatum, cingulate cortex, and prefrontal cortex using positron emission tomography with [11C]LY2795050. RESULTS Participants reported lower levels of craving (Yale Craving Scale: -11 ± 1, p < .0001; Alcohol Urge Questionnaire: -6 ± 0.6, p < .0001) and consumed fewer drinks (-3.7 ± 4, p < .0001) during the second ADP following naltrexone therapy. The observed reduction in drinking was negatively associated with baseline KOR availability in the striatum (p = .005), pallidum (p = .023), and cingulate cortex (p = .018). Voxelwise analysis identified clusters in the bilateral insula, prefrontal, and cingulate cortex associated with the reduction in drinking (p < .0001). In addition, KOR availability in all evaluated brain regions was associated with craving measured in both ADPs. CONCLUSIONS The KOR is implicated in drinking and craving following naltrexone therapy in alcohol use disorder.
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Affiliation(s)
- Bart de Laat
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut.
| | - Alissa Goldberg
- Department of Psychiatry, Yale University, New Haven, Connecticut
| | - Julia Shi
- Department of Internal Medicine, Yale University, New Haven, Connecticut
| | | | - Nabeel Nabulsi
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | - Ming-Qiang Zheng
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | - Soheila Najafzadeh
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | - Hong Gao
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | - Michael Kapinos
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | - Jim Ropchan
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | | | - Yiyun Huang
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut
| | - Evan D Morris
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut; Department of Psychiatry, Yale University, New Haven, Connecticut; Department of Biomedical Engineering, Yale University, New Haven, Connecticut
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A Survey of Molecular Imaging of Opioid Receptors. Molecules 2019; 24:molecules24224190. [PMID: 31752279 PMCID: PMC6891617 DOI: 10.3390/molecules24224190] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 01/09/2023] Open
Abstract
The discovery of endogenous peptide ligands for morphine binding sites occurred in parallel with the identification of three subclasses of opioid receptor (OR), traditionally designated as μ, δ, and κ, along with the more recently defined opioid-receptor-like (ORL1) receptor. Early efforts in opioid receptor radiochemistry focused on the structure of the prototype agonist ligand, morphine, although N-[methyl-11C]morphine, -codeine and -heroin did not show significant binding in vivo. [11C]Diprenorphine ([11C]DPN), an orvinol type, non-selective OR antagonist ligand, was among the first successful PET tracers for molecular brain imaging, but has been largely supplanted in research studies by the μ-preferring agonist [11C]carfentanil ([11C]Caf). These two tracers have the property of being displaceable by endogenous opioid peptides in living brain, thus potentially serving in a competition-binding model. Indeed, many clinical PET studies with [11C]DPN or [11C]Caf affirm the release of endogenous opioids in response to painful stimuli. Numerous other PET studies implicate μ-OR signaling in aspects of human personality and vulnerability to drug dependence, but there have been very few clinical PET studies of μORs in neurological disorders. Tracers based on naltrindole, a non-peptide antagonist of the δ-preferring endogenous opioid enkephalin, have been used in PET studies of δORs, and [11C]GR103545 is validated for studies of κORs. Structures such as [11C]NOP-1A show selective binding at ORL-1 receptors in living brain. However, there is scant documentation of δ-, κ-, or ORL1 receptors in healthy human brain or in neurological and psychiatric disorders; here, clinical PET research must catch up with recent progress in radiopharmaceutical chemistry.
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34
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Bai Y, Zhang Y, Jiang S, Zheng X, Liu Z. The effects of acute stress on consummatory and motivational responses for sucrose in rats after long-term withdrawal from morphine. Psychopharmacology (Berl) 2019; 236:3197-3208. [PMID: 31297566 DOI: 10.1007/s00213-019-05272-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 05/10/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Negative affective states, e.g., anhedonia, may be linked to the long-lasting motivational processes associated with relapse. Here, this study investigated whether, and how, anhedonic states are influenced by stressful events that contribute to craving and relapse. METHODS All male rats were pretreated with a binge-like morphine paradigm for five days. After 12 to 16 days of withdrawal, rats were subjected to a one-hour free consumption test or three operant tasks with increasing cost/benefit ratio, i.e., fixed ratio 1 (FR1), progressive ratio (PR), and PR-punishment procedure of reinforcement, with sucrose solutions of three concentrations (4%, 15%, and 60%) as rewards. The consumption and operant responses under FR1 and PR procedures were measured following exposure to acute foot-shock stress (intermittent foot shock, 0.5 mA × 0.5 s × 10 min; mean intershock interval, 40 s), and the operant responses for 60% sucrose solution under PR-punishment procedure was measured following a forced-swim stress (5 minutes). RESULT Foot-shock stress increased water consumption in a subpopulation of rats and decreased consumption of sucrose solutions, while it did not influence the operant responses for sucrose solutions under either FR1 or PR procedure. The forced-swim stress reduced operant responses for 60% sucrose solution under PR-punishment procedure, but did not influence responding for 60% sucrose solution under PR procedure. In addition, the forced-swim stress also elevated anxiety level of rats in an open area test. CONCLUSIONS Acute stress induced hedonic but not motivational deficit for sucrose reward in protracted drug-abstinent animals. Additional negative emotional states besides anhedonia were evoked by acute stress.
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Affiliation(s)
- Yunjing Bai
- CAS Key Laboratory of Mental Health, Institute of Psychology, 16 Lincui Road, Chaoyang District, 100101, Beijing, China. .,Department of Psychology, University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China.
| | - Yue Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, 16 Lincui Road, Chaoyang District, 100101, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Shaofei Jiang
- CAS Key Laboratory of Mental Health, Institute of Psychology, 16 Lincui Road, Chaoyang District, 100101, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Xigeng Zheng
- CAS Key Laboratory of Mental Health, Institute of Psychology, 16 Lincui Road, Chaoyang District, 100101, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Zhengkui Liu
- CAS Key Laboratory of Mental Health, Institute of Psychology, 16 Lincui Road, Chaoyang District, 100101, Beijing, China. .,Department of Psychology, University of Chinese Academy of Sciences, 19A Yuquan Rd, Shijingshan District, Beijing, 100049, China.
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35
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Addiction and stress: An allostatic view. Neurosci Biobehav Rev 2019; 106:245-262. [DOI: 10.1016/j.neubiorev.2018.09.008] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 08/30/2018] [Accepted: 09/08/2018] [Indexed: 01/24/2023]
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Kaski SW, White AN, Gross JD, Trexler KR, Wix K, Harland AA, Prisinzano TE, Aubé J, Kinsey SG, Kenakin T, Siderovski DP, Setola V. Preclinical Testing of Nalfurafine as an Opioid-sparing Adjuvant that Potentiates Analgesia by the Mu Opioid Receptor-targeting Agonist Morphine. J Pharmacol Exp Ther 2019; 371:487-499. [PMID: 31492823 DOI: 10.1124/jpet.118.255661] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 07/16/2019] [Indexed: 01/11/2023] Open
Abstract
Mu opioid receptor (MOR)-targeting analgesics are efficacious pain treatments, but notorious for their abuse potential. In preclinical animal models, coadministration of traditional kappa opioid receptor (KOR)-targeting agonists with MOR-targeting analgesics can decrease reward and potentiate analgesia. However, traditional KOR-targeting agonists are well known for inducing antitherapeutic side effects (psychotomimesis, depression, anxiety, dysphoria). Recent data suggest that some functionally selective, or biased, KOR-targeting agonists might retain the therapeutic effects of KOR activation without inducing undesirable side effects. Nalfurafine, used safely in Japan since 2009 for uremic pruritus, is one such functionally selective KOR-targeting agonist. Here, we quantify the bias of nalfurafine and several other KOR agonists relative to an unbiased reference standard (U50,488) and show that nalfurafine and EOM-salvinorin-B demonstrate marked G protein-signaling bias. While nalfurafine (0.015 mg/kg) and EOM-salvinorin-B (1 mg/kg) produced spinal antinociception equivalent to 5 mg/kg U50,488, only nalfurafine significantly enhanced the supraspinal analgesic effect of 5 mg/kg morphine. In addition, 0.015 mg/kg nalfurafine did not produce significant conditioned place aversion, yet retained the ability to reduce morphine-induced conditioned place preference in C57BL/6J mice. Nalfurafine and EOM-salvinorin-B each produced robust inhibition of both spontaneous and morphine-stimulated locomotor behavior, suggesting a persistence of sedative effects when coadministered with morphine. Taken together, these findings suggest that nalfurafine produces analgesic augmentation, while also reducing opioid-induced reward with less risk of dysphoria. Thus, adjuvant administration of G protein-biased KOR agonists like nalfurafine may be beneficial in enhancing the therapeutic potential of MOR-targeting analgesics, such as morphine.
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Affiliation(s)
- Shane W Kaski
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Allison N White
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Joshua D Gross
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Kristen R Trexler
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Kim Wix
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Aubrie A Harland
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Thomas E Prisinzano
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Jeffrey Aubé
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Steven G Kinsey
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Terry Kenakin
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - David P Siderovski
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Vincent Setola
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
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Elman I, Borsook D. The failing cascade: Comorbid post traumatic stress- and opioid use disorders. Neurosci Biobehav Rev 2019; 103:374-383. [DOI: 10.1016/j.neubiorev.2019.04.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 04/03/2019] [Accepted: 04/29/2019] [Indexed: 02/06/2023]
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Dynorphin/kappa-opioid receptor control of dopamine dynamics: Implications for negative affective states and psychiatric disorders. Brain Res 2019; 1713:91-101. [DOI: 10.1016/j.brainres.2018.09.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 09/12/2018] [Accepted: 09/19/2018] [Indexed: 02/06/2023]
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Wu FX, Babazada H, Gao H, Huang XP, Xi CH, Chen CH, Xi J, Yu WF, Liu R. Dezocine Alleviates Morphine-Induced Dependence in Rats. Anesth Analg 2019; 128:1328-1335. [PMID: 31094808 PMCID: PMC6173660 DOI: 10.1213/ane.0000000000003365] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Opioid dependence is a major public health issue without optimal therapeutics. This study investigates the potential therapeutic effect of dezocine, a nonaddictive opioid, in opioid dependence in rat models. METHODS Dezocine was administered intraperitoneally to a morphine-dependent rat model to investigate its effect on withdrawal and conditioned place preference (CPP). Effect of dezocine on morphine withdrawal syndrome and CPP was analyzed using 2-way analysis of variance (ANOVA) followed by Tukey's post hoc test. Buprenorphine and vehicle solution containing 20% (v/v) dimethyl sulfoxide were used for positive and negative control, respectively. The astrocytes activation in nucleus accumbens was assessed by immunofluorescence assay of glial fibrillary acidic protein. Effect of dezocine and buprenorphine on the internalization of κ opioid receptor (KOR) was investigated using Neuro2A expressing KOR fused to red fluorescent protein tdTomato (KOR-tdT). Buprenorphine and dezocine were screened against 44 G-protein-coupled receptors, ion channels, and transporter proteins using radioligand-binding assay to compare the molecular targets. RESULTS The mean withdrawal score was reduced in rats treated with 1.25 mg·kg dezocine compared to vehicle-treated control animals starting from the day 1 (mean difference: 7.8; 95% confidence interval [CI], 6.35-9.25; P < .0001 by 2-way ANOVA). Significance was observed at all treatment days, including day 7 (mean difference: 2.13; 95% CI, 0.68-3.58; P < .001 by 2-way ANOVA). Furthermore, dezocine inhibited the reinstatement of morphine-induced CPP (mean difference: 314; 95% CI, 197.9-430.1; P < .0001 by 2-way ANOVA) compared to the control group. Chronic morphine administration induced astrocytes activation in nucleus accumbens, which was attenuated by dezocine. Dezocine blocked the agonist-induced KOR internalization in vitro, 1 of the mechanisms involved in the downstream signaling and development of opioid dependence. Dezocine had affinity to norepinephrine and serotonin transporters and sigma-1 receptor, whereas buprenorphine showed no activity against these targets. CONCLUSIONS Dezocine could potentially be used to alleviate opioid dependence. Due to the unique molecular target profile different from buprenorphine, it might have important value in studying the mechanisms of morphine dependence and developing novel therapeutic approaches.
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Affiliation(s)
- Fei-xiang Wu
- Department of Anesthesiology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Hasan Babazada
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Hao Gao
- Department of Anesthesiology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Xi-Ping Huang
- Department of Pharmacology and the National Institute of Mental Health Psychoactive Active Drug Screening Program (NIMH PDSP), School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Chun-hua Xi
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Chun-hua Chen
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jin Xi
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Wei-feng Yu
- Department of Anesthesiology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Renyu Liu
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
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Preston CJ, Brown KA, Wagner JJ. Cocaine conditioning induces persisting changes in ventral hippocampus synaptic transmission, long-term potentiation, and radial arm maze performance in the mouse. Neuropharmacology 2019; 150:27-37. [DOI: 10.1016/j.neuropharm.2019.02.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/29/2019] [Accepted: 02/25/2019] [Indexed: 10/27/2022]
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Shinohara F, Asaoka Y, Kamii H, Minami M, Kaneda K. Stress augments the rewarding memory of cocaine via the activation of brainstem-reward circuitry. Addict Biol 2019; 24:509-521. [PMID: 29480583 DOI: 10.1111/adb.12617] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 01/09/2018] [Accepted: 02/06/2018] [Indexed: 12/31/2022]
Abstract
Effects of stress on the reward system are well established in the literature. Although previous studies have revealed that stress can reinstate extinguished addictive behaviors related to cocaine, the effects of stress on the rewarding memory of cocaine are not fully understood. Here, we provide evidence that stress potentiates the expression of rewarding memory of cocaine via the activation of brainstem-reward circuitry using a cocaine-induced conditioned place preference (CPP) paradigm combined with restraint stress in rats. The rats exposed to 30-minute restraint stress immediately before posttest exhibited significantly larger CPP scores compared with non-stressed rats. Intra-laterodorsal tegmental nucleus (LDT) microinjection of a β or α2 adrenoceptor antagonist attenuated the stress-induced enhancement of cocaine CPP. Consistent with this observation, intra-LDT microinjection of a β or α2 adrenoceptor agonist before posttest increased cocaine CPP. Additionally, intra-ventral tegmental area (VTA) microinjection of antagonists for the muscarinic acetylcholine, nicotinic acetylcholine or glutamate receptors attenuated the stress-induced enhancement of cocaine CPP. Finally, intra-medial prefrontal cortex (mPFC) microinjection of a D1 receptor antagonist also reduced the stress-induced enhancement of cocaine CPP. These findings suggest a mechanism wherein the LDT is activated by noradrenergic input from the locus coeruleus, leading to the activation of VTA dopamine neurons via both cholinergic and glutamatergic transmission and the subsequent excitation of the mPFC to enhance the memory of cocaine-induced reward value.
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Affiliation(s)
- Fumiya Shinohara
- Department of Pharmacology, Graduate School of Pharmaceutical SciencesHokkaido University Sapporo Japan
| | - Yuta Asaoka
- Department of Pharmacology, Graduate School of Pharmaceutical SciencesHokkaido University Sapporo Japan
| | - Hironori Kamii
- Department of Pharmacology, Graduate School of Pharmaceutical SciencesHokkaido University Sapporo Japan
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health SciencesKanazawa University Kanazawa Japan
| | - Masabumi Minami
- Department of Pharmacology, Graduate School of Pharmaceutical SciencesHokkaido University Sapporo Japan
| | - Katsuyuki Kaneda
- Department of Pharmacology, Graduate School of Pharmaceutical SciencesHokkaido University Sapporo Japan
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health SciencesKanazawa University Kanazawa Japan
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Atigari DV, Uprety R, Pasternak GW, Majumdar S, Kivell BM. MP1104, a mixed kappa-delta opioid receptor agonist has anti-cocaine properties with reduced side-effects in rats. Neuropharmacology 2019; 150:217-228. [PMID: 30768946 DOI: 10.1016/j.neuropharm.2019.02.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/23/2019] [Accepted: 02/09/2019] [Indexed: 01/02/2023]
Abstract
Kappa opioid receptor (KOPr) agonists have preclinical anti-cocaine and antinociceptive effects. However, adverse effects including dysphoria, aversion, sedation, anxiety and depression limit their clinical development. MP1104, an analogue of 3-iodobenzoyl naltrexamine, is a potent dual agonist at KOPr and delta opioid receptor (DOPr), with full agonist efficacy at both these receptors. In this study, we evaluate the ability of MP1104 to modulate cocaine-induced behaviors and side-effects preclinically. In male Sprague-Dawley rats trained to self-administer cocaine, MP1104 (0.3 and 1 mg/kg) reduced cocaine-primed reinstatement of drug-seeking behavior and caused significant downward shift of the dose-response curve in cocaine self-administration tests (0.3 and 0.6 mg/kg). The anti-cocaine effects exerted by MP1104 are in part due to increased dopamine (DA) uptake by the dopamine transporter (DAT) in the dorsal striatum (dStr) and nucleus accumbens (NAc). MP1104 (0.3 and 0.6 mg/kg) showed no significant anxiogenic effects in the elevated plus maze, pro-depressive effects in the forced swim test, or conditioned place aversion. Furthermore, pre-treatment with a DOPr antagonist, led to MP1104 producing aversive effects. This data suggests that the DOPr agonist actions of MP1104 attenuate the KOPr-mediated aversive effects of MP1104. The overall results from this study show that MP1104, modulates DA uptake in the dStr and NAc, and exerts potent anti-cocaine properties in self-administration tests with reduced side-effects compared to pure KOPr agonists. This data supports the therapeutic development of dual KOPr/DOPr agonists to reduce the side-effects of selective KOPr agonists. This article is part of the Special Issue entitled 'Opioid Neuropharmacology: Advances in treating pain and opioid addiction'.
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Affiliation(s)
- Diana V Atigari
- School of Biological Sciences, Centre for Biodiscovery, Victoria University of Wellington, Wellington, New Zealand
| | - Rajendra Uprety
- Molecular Pharmacology Program and Department of Neurology, Memorial Sloan Kettering Cancer Centre, New York, USA
| | - Gavril W Pasternak
- Molecular Pharmacology Program and Department of Neurology, Memorial Sloan Kettering Cancer Centre, New York, USA
| | - Susruta Majumdar
- Molecular Pharmacology Program and Department of Neurology, Memorial Sloan Kettering Cancer Centre, New York, USA; Center for Clinical Pharmacology, St Louis College of Pharmacy and Washington University School of Medicine, St Louis, MO, USA
| | - Bronwyn M Kivell
- School of Biological Sciences, Centre for Biodiscovery, Victoria University of Wellington, Wellington, New Zealand.
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Burns JA, Kroll DS, Feldman DE, Kure Liu C, Manza P, Wiers CE, Volkow ND, Wang GJ. Molecular Imaging of Opioid and Dopamine Systems: Insights Into the Pharmacogenetics of Opioid Use Disorders. Front Psychiatry 2019; 10:626. [PMID: 31620026 PMCID: PMC6759955 DOI: 10.3389/fpsyt.2019.00626] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 08/05/2019] [Indexed: 12/21/2022] Open
Abstract
Opioid use in the United States has steadily risen since the 1990s, along with staggering increases in addiction and overdose fatalities. With this surge in prescription and illicit opioid abuse, it is paramount to understand the genetic risk factors and neuropsychological effects of opioid use disorder (OUD). Polymorphisms disrupting the opioid and dopamine systems have been associated with increased risk for developing substance use disorders. Molecular imaging studies have revealed how these polymorphisms impact the brain and contribute to cognitive and behavioral differences across individuals. Here, we review the current molecular imaging literature to assess how genetic variations in the opioid and dopamine systems affect function in the brain's reward, cognition, and stress pathways, potentially resulting in vulnerabilities to OUD. Continued research of the functional consequences of genetic variants and corresponding alterations in neural mechanisms will inform prevention and treatment of OUD.
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Affiliation(s)
- Jamie A Burns
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Danielle S Kroll
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Dana E Feldman
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | | | - Peter Manza
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Corinde E Wiers
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Nora D Volkow
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States.,National Institute on Drug Abuse, Bethesda, MD, United States
| | - Gene-Jack Wang
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
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Becker JB, Chartoff E. Sex differences in neural mechanisms mediating reward and addiction. Neuropsychopharmacology 2019; 44:166-183. [PMID: 29946108 PMCID: PMC6235836 DOI: 10.1038/s41386-018-0125-6] [Citation(s) in RCA: 247] [Impact Index Per Article: 49.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 04/27/2018] [Accepted: 06/11/2018] [Indexed: 12/18/2022]
Abstract
There is increasing evidence in humans and laboratory animals for biologically based sex differences in every phase of drug addiction: acute reinforcing effects, transition from occasional to compulsive use, withdrawal-associated negative affective states, craving, and relapse. There is also evidence that many qualitative aspects of the addiction phases do not differ significantly between males and females, but one sex may be more likely to exhibit a trait than the other, resulting in population differences. The conceptual framework of this review is to focus on hormonal, chromosomal, and epigenetic organizational and contingent, sex-dependent mechanisms of four neural systems that are known-primarily in males-to be key players in addiction: dopamine, mu-opioid receptors (MOR), kappa opioid receptors (KOR), and brain-derived neurotrophic factor (BDNF). We highlight data demonstrating sex differences in development, expression, and function of these neural systems as they relate-directly or indirectly-to processes of reward and addictive behavior, with a focus on psychostimulants and opioids. We identify gaps in knowledge about how these neural systems interact with sex to influence addictive behavior, emphasizing throughout that the impact of sex can be highly nuanced and male/female data should be reported regardless of the outcome.
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Affiliation(s)
- Jill B Becker
- Department of Psychology and the Molecular & Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, MI, USA
| | - Elena Chartoff
- Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont, MA, USA.
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Kappa opioid receptors mediate yohimbine-induced increases in impulsivity in the 5-choice serial reaction time task. Behav Brain Res 2018; 359:258-265. [PMID: 30414973 DOI: 10.1016/j.bbr.2018.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/05/2018] [Accepted: 11/05/2018] [Indexed: 11/20/2022]
Abstract
Dynorphin (DYN), and its receptor, the kappa opioid receptor (KOR) are involved in drug seeking and relapse but the mechanisms are poorly understood. One hypothesis is that DYN/KOR activation promotes drug seeking through increased impulsivity, because many stimuli that induce DYN release increase impulsivity. Here, we systematically compare the effects of drugs that activate DYN/KOR on performance on the 5-choice serial reaction time task (5-CSRTT), a test of sustained attention and impulsivity. In Experiment 1, we determined the effects of U50,488 (0, 2.5, 5 mg/kg), yohimbine (0, 1.25, 2.5 mg/kg), and nicotine (0, 0.15, 0.3 mg/kg) on 5-CSRTT performance. In Experiment 2, we determined the effects of alcohol (0, 0.5, 1.0, 1.5 g/kg) on 5-CSRTT performance before and after voluntary, intermittent alcohol exposure. In Experiment 3, we determined the potential role of KOR in the pro-impulsive effects of yohimbine (1.25 mg/kg) and nicotine (0.3 mg/kg) by the prior administration of the KOR antagonist nor-BNI (10 mg/kg). Premature responding, the primary measure of impulsivity, was reduced by U50,488 and alcohol, but these drugs had a general suppressive effect. Yohimbine and nicotine increased premature responding. Yohimbine-, but not nicotine-induced increases in premature responding were blocked by nor-BNI, suggesting that impulsivity induced by yohimbine is KOR dependent. This may suggests a potential role for KOR-mediated increases in impulsivity in yohimbine-induced reinstatement.
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Greenwald MK. Anti-stress neuropharmacological mechanisms and targets for addiction treatment: A translational framework. Neurobiol Stress 2018; 9:84-104. [PMID: 30238023 PMCID: PMC6138948 DOI: 10.1016/j.ynstr.2018.08.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 07/30/2018] [Accepted: 08/10/2018] [Indexed: 12/18/2022] Open
Abstract
Stress-related substance use is a major challenge for treating substance use disorders. This selective review focuses on emerging pharmacotherapies with potential for reducing stress-potentiated seeking and consumption of nicotine, alcohol, marijuana, cocaine, and opioids (i.e., key phenotypes for the most commonly abused substances). I evaluate neuropharmacological mechanisms in experimental models of drug-maintenance and relapse, which translate more readily to individuals presenting for treatment (who have initiated and progressed). An affective/motivational systems model (three dimensions: valence, arousal, control) is mapped onto a systems biology of addiction approach for addressing this problem. Based on quality of evidence to date, promising first-tier neurochemical receptor targets include: noradrenergic (α1 and β antagonist, α2 agonist), kappa-opioid antagonist, nociceptin antagonist, orexin-1 antagonist, and endocannabinoid modulation (e.g., cannabidiol, FAAH inhibition); second-tier candidates may include corticotropin releasing factor-1 antagonists, serotonergic agents (e.g., 5-HT reuptake inhibitors, 5-HT3 antagonists), glutamatergic agents (e.g., mGluR2/3 agonist/positive allosteric modulator, mGluR5 antagonist/negative allosteric modulator), GABA-promoters (e.g., pregabalin, tiagabine), vasopressin 1b antagonist, NK-1 antagonist, and PPAR-γ agonist (e.g., pioglitazone). To address affective/motivational mechanisms of stress-related substance use, it may be advisable to combine agents with actions at complementary targets for greater efficacy but systematic studies are lacking except for interactions with the noradrenergic system. I note clinically-relevant factors that could mediate/moderate the efficacy of anti-stress therapeutics and identify research gaps that should be pursued. Finally, progress in developing anti-stress medications will depend on use of reliable CNS biomarkers to validate exposure-response relationships.
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Affiliation(s)
- Mark K. Greenwald
- Department of Psychiatry and Behavioral Neurosciences, School of Medicine, Department of Pharmacy Practice, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, 48201, USA
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Yuanyuan J, Rui S, Hua T, Jingjing C, Cuola D, Yuhui S, Shuguang W. Genetic association analyses and meta-analysis of Dynorphin-Kappa Opioid system potential functional variants with heroin dependence. Neurosci Lett 2018; 685:75-82. [PMID: 30138645 DOI: 10.1016/j.neulet.2018.08.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 08/16/2018] [Accepted: 08/19/2018] [Indexed: 11/30/2022]
Abstract
Prodynorphin (PDYN) binds to k-opioid receptors (KOPr; encoded by OPRK1) and is known to regulate dopaminergic tone, making this system important for drugs addiction. Dynorphin (Dyn)/KORr system are powerful effectors of stress-induced alterations in reward processing and dysphoric states. Thus, We identified 11 potential functional SNPs and one variable number of tandem repeat (VNTR) in this system, performed a case-control association analysis, investigated particular disease phenotypes, assessed the joint effect of variants in two genes, carried out a meta-analysis to analyze the association between this VNTR and Heroin dependence (HD) risk. Eleven single-nucleotide polymorphisms (SNPs) were genotyped using SNaPshot SNP technology. Participants included 566 healthy controls and 541 patients with HD. We found that PDYN polymorphisms modulate the susceptibility to HD. An increased risk of HD was significantly associated with H alleles of PDYN VNTR (χ2 = 10.824, p = 0.001, OR = 1.419, 95% CI = 1.151-1.748). In addition, the results revealed the patients with the HH genotype showed greater number of withdrawal instances (F(2538) = 7.987, p = 0.0004) compared to the patients with the LL genotype. The Meta-analysis showed the pooled effect of the H allele at this locus is a risk factor for HD in Chinese Han. Gene-gene interaction analysis indicated strong interactions between PDYN rs3830064, 68-bp VNTR and OPRK1 rs16918842, rs3802279. These findings support the important role of PDYN polymorphism in HD, and may guide future studies to identify genetic risk factors for HD.
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Affiliation(s)
- Ji Yuanyuan
- Key Laboratory of Ministry of Public Health for Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Su Rui
- Key Laboratory of Ministry of Public Health for Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Tang Hua
- The Department of Gastroenterology, Tangdu Hospital, Fourth Military Medical University of China, Xi'an, Shaanxi, 710038, China
| | - Cui Jingjing
- Key Laboratory of Ministry of Public Health for Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Deji Cuola
- Key Laboratory of Ministry of Public Health for Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Shi Yuhui
- Key Laboratory of Ministry of Public Health for Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Wei Shuguang
- Key Laboratory of Ministry of Public Health for Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China; Key Laboratory of Shaanxi Province for Forensic Science.
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Domi E, Barbier E, Augier E, Augier G, Gehlert D, Barchiesi R, Thorsell A, Holm L, Heilig M. Preclinical evaluation of the kappa-opioid receptor antagonist CERC-501 as a candidate therapeutic for alcohol use disorders. Neuropsychopharmacology 2018; 43:1805-1812. [PMID: 29463912 PMCID: PMC6046052 DOI: 10.1038/s41386-018-0015-y] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/22/2017] [Accepted: 01/09/2018] [Indexed: 12/12/2022]
Abstract
Prior work suggests a role of kappa-opioid signaling in the control of alcohol drinking, in particular when drinking is escalated due to alcohol-induced long-term neuroadaptations. Here, we examined the small molecule selective kappa antagonist CERC-501 in rat models of alcohol-related behaviors, with the objective to evaluate its potential as a candidate therapeutic for alcohol use disorders. We first tested the effect of CERC-501 on acute alcohol withdrawal-induced anxiety-like behavior. CERC-501 was then tested on basal as well as escalated alcohol self-administration induced by 20% alcohol intermittent access. Finally, we determined the effects of CERC-501 on relapse to alcohol seeking triggered by both stress and alcohol-associated cues. Control experiments were performed to confirm the specificity of CERC-501 effects on alcohol-related behaviors. CERC-501 reversed anxiety-like behavior induced by alcohol withdrawal. It did not affect basal alcohol self-administration but did dose-dependently suppress self-administration that had escalated following long-term intermittent access to alcohol. CERC-501 blocked relapse to alcohol seeking induced by stress, but not when relapse-like behavior was triggered by alcohol-associated cues. The effects of CERC-501 were observed in the absence of sedative side effects and were not due to effects on alcohol metabolism. Thus, in a broad battery of preclinical alcohol models, CERC-501 has an activity profile characteristic of anti-stress compounds. Combined with its demonstrated preclinical and clinical safety profile, these data support clinical development of CERC-501 for alcohol use disorders, in particular for patients with negatively reinforced, stress-driven alcohol seeking and use.
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Affiliation(s)
- E Domi
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - E Barbier
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - E Augier
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - G Augier
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - D Gehlert
- grid.504315.6Cerecor, Baltimore, MD (DG) and Matrix Pharmaceutical Consulting, Boulder, CO, United States
| | - R Barchiesi
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - A Thorsell
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - L Holm
- 0000 0001 2162 9922grid.5640.7Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - M Heilig
- Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden.
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Kaneda K. Neuroplasticity in cholinergic neurons of the laterodorsal tegmental nucleus contributes to the development of cocaine addiction. Eur J Neurosci 2018; 50:2239-2246. [DOI: 10.1111/ejn.13962] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/20/2018] [Accepted: 05/04/2018] [Indexed: 11/27/2022]
Affiliation(s)
- Katsuyuki Kaneda
- Laboratory of Molecular Pharmacology Institute of Medical, Pharmaceutical and Health Sciences Kanazawa University Kanazawa 920‐1192 Japan
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50
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Williams AV, Trainor BC. The impact of sex as a biological variable in the search for novel antidepressants. Front Neuroendocrinol 2018; 50:107-117. [PMID: 29859882 PMCID: PMC6139050 DOI: 10.1016/j.yfrne.2018.05.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 05/15/2018] [Accepted: 05/30/2018] [Indexed: 12/14/2022]
Abstract
A roadblock to successful treatment for anxiety and depression is the high proportion of individuals that do not respond to existing treatments. Different underlying neurobiological mechanisms may drive similar symptoms, so a more personalized approach to treatment could be more successful. There is increasing evidence that sex is an important biological variable modulating efficacy of antidepressants and anxiolytics. We review evidence for sex-specific effects of traditional monoamine based antidepressants and newer pharmaceuticals targeting kappa opioid receptors (KOR), oxytocin receptors (OTR), and N-methyl-D-aspartate receptors (ketamine). In some cases, similar behavioral effects are observed in both sexes while in other cases strong sex-specific effects are observed. Most intriguing are cases such as ketamine which has similar behavioral effects in males and females, perhaps through sex-specific neurobiological mechanisms. These results show how essential it is to include both males and females in both clinical and preclinical evaluations of novel antidepressants and anxiolytics.
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Affiliation(s)
- Alexia V Williams
- Department of Psychology, University of California, Davis, CA 95616, United States.
| | - Brian C Trainor
- Department of Psychology, University of California, Davis, CA 95616, United States.
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