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Kosuge A, Kunisawa K, Iida T, Wulaer B, Kawai T, Tanabe M, Saito K, Nabeshima T, Mouri A. Chronic social defeat stress induces the down-regulation of the Nedd4L-GLT-1 ubiquitination pathway in the prefrontal cortex of mice. J Neurochem 2024. [PMID: 38497582 DOI: 10.1111/jnc.16100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 02/25/2024] [Accepted: 02/29/2024] [Indexed: 03/19/2024]
Abstract
Stressful life events contribute to the onset of major depressive disorder (MDD). We recently demonstrated abnormalities in ubiquitination in the pathophysiology of MDD. However, the underlying molecular mechanisms remain unclear. We investigated the involvement of the ubiquitination system-mediated glutamatergic dysfunction in social impairment induced by chronic social defeat stress (CSDS). Adult C57BL/6J mice were exposed to aggressor ICR male mice for 10 consecutive days. Social impairment was induced by CSDS in the social interaction test 1 days after the last stress exposure. In terms of brain microdialysis, CSDS reduced depolarization-evoked glutamate release in the prefrontal cortex (PFC), which was reversed by a glutamate transporter 1 (GLT-1) inhibitor. Interestingly, the expression of ubiquitinated, but not total GLT-1, was decreased in the PFC of mice exposed to CSDS. The expression of neural precursor cells expressing developmentally downregulated gene 4-like (Nedd4L: E3 ligase for GLT-1), and ubiquitin-conjugating enzyme E2D2 (Ube2d2: E2 ubiquitin-conjugating enzyme for Nedd4L) was also reduced in CSDS mice. Furthermore, the downregulation of the Nedd4L-GLT-1 ubiquitination pathway decreased SIT ratio, but up-regulation increased it even in non-CSDS mice. Taken together, the decrease in GLT-1 ubiquitination may reduce the release of extracellular glutamate induced by high-potassium stimulation, which may lead to social impairment, while we could not find differences in GLT-1 ubiquitination between susceptible and resistant CSDS mice. In conclusion, GLT-1 ubiquitination could play a crucial role in the pathophysiology of MDD and is an attractive target for the development of novel antidepressants.
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Affiliation(s)
- Aika Kosuge
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
| | - Kazuo Kunisawa
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
| | - Tsubasa Iida
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
| | - Bolati Wulaer
- Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Science, Toyoake, Aichi, Japan
- Department of Advanced Diagnostic System Development, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
| | - Tomoki Kawai
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
| | - Moeka Tanabe
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
| | - Kuniaki Saito
- Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Science, Toyoake, Aichi, Japan
- Department of Advanced Diagnostic System Development, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
- Laboratory of Health and Medical Science Innovation, Fujita Health University Graduate School of Health Science, Toyoake, Aichi, Japan
- Japanese Drug Organization of Appropriate Use and Research, Toyoake, Aichi, Japan
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Science, Toyoake, Aichi, Japan
- Laboratory of Health and Medical Science Innovation, Fujita Health University Graduate School of Health Science, Toyoake, Aichi, Japan
- Japanese Drug Organization of Appropriate Use and Research, Toyoake, Aichi, Japan
| | - Akihiro Mouri
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Sciences, Toyoake, Aichi, Japan
- Japanese Drug Organization of Appropriate Use and Research, Toyoake, Aichi, Japan
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da Costa VF, Ramírez JCC, Ramírez SV, Avalo-Zuluaga JH, Baptista-de-Souza D, Canto-de-Souza L, Planeta CS, Rodríguez JLR, Nunes-de-Souza RL. Emotional- and cognitive-like responses induced by social defeat stress in male mice are modulated by the BNST, amygdala, and hippocampus. Front Integr Neurosci 2023; 17:1168640. [PMID: 37377628 PMCID: PMC10291097 DOI: 10.3389/fnint.2023.1168640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Introduction Chronic exposure to social defeat stress (SDS) has been used to investigate the neurobiology of depressive- and anxiety-like responses and mnemonic processes. We hypothesized that these affective, emotional, and cognitive consequences induced by SDS are regulated via glutamatergic neurons located in the bed nucleus of the stria terminalis (BNST), amygdaloid complex, and hippocampus in mice. Methods Here, we investigated the influence of chronic SDS on (i) the avoidance behavior assessed in the social interaction test, (ii) the anxiety-like behavior (e.g., elevated plus-maze, and open field tests) (iii) depressive-like behaviors (e.g., coat state, sucrose splash, nesting building, and novel object exploration tests), (iv) the short-term memory (object recognition test), (v) ΔFosB, CaMKII as well as ΔFosB + CaMKII labeling in neurons located in the BNST, amygdaloid complex, dorsal (dHPC) and the ventral (vHPC) hippocampus. Results The main results showed that the exposure of mice to SDS (a) increased defensive and anxiety-like behaviors and led to memory impairment without eliciting clear depressive-like or anhedonic effects; (b) increased ΔFosB + CaMKII labeling in BNST and amygdala, suggesting that both areas are strongly involved in the modulation of this type of stress; and produced opposite effects on neuronal activation in the vHPC and dHPC, i.e., increasing and decreasing, respectively, ΔFosB labeling. The effects of SDS on the hippocampus suggest that the vHPC is likely related to the increase of defensive- and anxiety-related behaviors, whereas the dHPC seems to modulate the memory impairment. Discussion Present findings add to a growing body of evidence indicating the involvement of glutamatergic neurotransmission in the circuits that modulate emotional and cognitive consequences induced by social defeat stress.
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Affiliation(s)
- Vinícius Fresca da Costa
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Johana Caterin Caipa Ramírez
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Stephany Viatela Ramírez
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Julian Humberto Avalo-Zuluaga
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | - Daniela Baptista-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
| | - Lucas Canto-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
| | - Cleopatra S. Planeta
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
| | | | - Ricardo Luiz Nunes-de-Souza
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, University Estadual Paulista, UNESP, Araraquara, Brazil
- Joint Graduate Program in Physiological Sciences (PIPGCF) UFSCar-UNESP, São Carlos, Brazil
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3
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Pan Y, Mou Q, Huang Z, Chen S, Shi Y, Ye M, Shao M, Wang Z. Chronic social defeat alters behaviors and neuronal activation in the brain of female Mongolian gerbils. Behav Brain Res 2023; 448:114456. [PMID: 37116662 DOI: 10.1016/j.bbr.2023.114456] [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: 10/15/2022] [Revised: 03/30/2023] [Accepted: 04/25/2023] [Indexed: 04/30/2023]
Abstract
Chronic social defeat has been found to be stressful and to affect many aspects of the brain and behaviors in males. However, relatively little is known about its effects on females. In the present study, we examined the effects of repeated social defeat on social approach and anxiety-like behaviors as well as the neuronal activation in the brain of sexually naïve female Mongolian gerbils (Meriones unguiculatus). Our data indicate that repeated social defeats for 20 days reduced social approach and social investigation, but increased risk assessment or vigilance to an unfamiliar conspecific. Such social defeat experience also increased anxiety-like behavior and reduced locomotor activity. Using ΔFosB-immunoreactive (ΔFosB-ir) staining as a marker of neuronal activation in the brain, we found significant elevations by social defeat experience in the density of ΔFosB-ir stained neurons in several brain regions, including the prelimbic (PL) and infralimbic (IL) subnuclei of the prefrontal cortex (PFC), CA1 subfields (CA1) of the hippocampus, central subnuclei of the amygdala (CeA), the paraventricular nucleus (PVN), dorsomedial nucleus (DMH), and ventrolateral subdivision of the ventromedial nucleus (VMHvl) of the hypothalamus. As these brain regions have been implicated in social behaviors and stress responses, our data suggest that the specific patterns of neuronal activation in the brain may relate to the altered social and anxiety-like behaviors following chronic social defeat in female Mongolian gerbils.
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Affiliation(s)
- Yongliang Pan
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China.
| | - Qiuyue Mou
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Zhexue Huang
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Senyao Chen
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Yilei Shi
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Mengfan Ye
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Mingqin Shao
- College of Life Science, Jiangxi Normal University, Nanchang, Jiangxi, 330022, China
| | - Zuoxin Wang
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA
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4
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Kamens HM, Flarend G, Wickenheisser A, Horton WJ, Cavigelli SA. The effect of stress on opioid addiction-related behaviors: A review of preclinical literature. Exp Clin Psychopharmacol 2023; 31:523-540. [PMID: 35834183 PMCID: PMC10117442 DOI: 10.1037/pha0000588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Opioid misuse is a critical public health crisis in the United States that results in over 50,000 deaths per year and a substantial economic burden to society. Human epidemiological data suggest that exposure to stress is one of many risk factors for opioid misuse; however, opioid abusers tend to have multiple risk factors and use other drugs in addition to opioids. To identify causal mechanisms by which stress may increase risk, preclinical animal experiments provide a means to conduct experimental manipulations and maintain precise controls over environmental and drug exposures. The current review examines how stressful experiences alter opioid addiction-related behaviors in animal models, with a focus on how age of stress exposure affects drug outcomes. The findings summarized here suggest that neonatal or adult stress increase behaviors indicative of opioid intake and reward in rodent models, but that adolescent social stress may protect against later opioid addiction-related behaviors, which contradicts human epidemiological literature. We highlight three important areas to consider across this body of literature: the species and/or strain used, stressor type, and inclusion of both sexes. Finally, we suggest areas where additional research is warranted. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Helen M. Kamens
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, 16802, United States of America
| | - Geneva Flarend
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, 16802, United States of America
| | - Anna Wickenheisser
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, 16802, United States of America
| | - William J. Horton
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, 16802, United States of America
| | - Sonia A. Cavigelli
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, 16802, United States of America
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5
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Walsh JJ, Christoffel DJ, Malenka RC. Neural circuits regulating prosocial behaviors. Neuropsychopharmacology 2023; 48:79-89. [PMID: 35701550 PMCID: PMC9700801 DOI: 10.1038/s41386-022-01348-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 05/09/2022] [Accepted: 05/17/2022] [Indexed: 11/09/2022]
Abstract
Positive, prosocial interactions are essential for survival, development, and well-being. These intricate and complex behaviors are mediated by an amalgamation of neural circuit mechanisms working in concert. Impairments in prosocial behaviors, which occur in a large number of neuropsychiatric disorders, result from disruption of the coordinated activity of these neural circuits. In this review, we focus our discussion on recent findings that utilize modern approaches in rodents to map, monitor, and manipulate neural circuits implicated in a variety of prosocial behaviors. We highlight how modulation by oxytocin, serotonin, and dopamine of excitatory and inhibitory synaptic transmission in specific brain regions is critical for regulation of adaptive prosocial interactions. We then describe how recent findings have helped elucidate pathophysiological mechanisms underlying the social deficits that accompany neuropsychiatric disorders. We conclude by discussing approaches for the development of more efficacious and targeted therapeutic interventions to ameliorate aberrant prosocial behaviors.
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Affiliation(s)
- Jessica J Walsh
- Department of Pharmacology, University of North Carolina, Chapel Hill, NC, 27514, USA.
- Carolina Institute for Developmental Disabilities, University of North Carolina, Chapel Hill, NC, USA.
- Neuroscience Center, University of North Carolina, Chapel Hill, NC, 27514, USA.
| | - Daniel J Christoffel
- Neuroscience Center, University of North Carolina, Chapel Hill, NC, 27514, USA
- Department of Psychology and Neuroscience, University of North Carolina, Chapel Hill, NC, 27514, USA
| | - Robert C Malenka
- Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, 94305-5453, USA.
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6
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Siemsen BM, Franco D, Lobo MK. Corticostriatal contributions to dysregulated motivated behaviors in stress, depression, and substance use disorders. Neurosci Res 2022:S0168-0102(22)00304-2. [PMID: 36565858 DOI: 10.1016/j.neures.2022.12.014] [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: 12/16/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Coordinated network activity, particularly in circuits arising from the prefrontal cortex innervating the ventral striatum, is crucial for normal processing of reward-related information which is perturbed in several psychiatric disorders characterized by dysregulated reward-related behaviors. Stress-induced depression and substance use disorders (SUDs) both share this common underlying pathology, manifested as deficits in perceived reward in depression, and increased attribution of positive valence to drug-predictive stimuli and dysfunctional cognition in SUDs. Here we review preclinical and clinical data that support dysregulation of motivated and reward-related behaviors as a core phenotype shared between these two disorders. We posit that altered processing of reward-related stimuli arises from dysregulated control of subcortical circuits by upstream regions implicated in executive control. Although multiple circuits are directly involved in reward processing, here we focus specifically on the role of corticostriatal circuit dysregulation. Moreover, we highlight the growing body of evidence indicating that such abnormalities may be due to heightened neuroimmune signaling by microglia, and that targeting the neuroimmune system may be a viable approach to treating this shared symptom.
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Affiliation(s)
| | - Daniela Franco
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - Mary Kay Lobo
- University of Maryland School of Medicine, Baltimore, MD, USA.
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7
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Franco D, Wulff AB, Lobo MK, Fox ME. Chronic Physical and Vicarious Psychosocial Stress Alter Fentanyl Consumption and Nucleus Accumbens Rho GTPases in Male and Female C57BL/6 Mice. Front Behav Neurosci 2022; 16:821080. [PMID: 35221946 PMCID: PMC8867005 DOI: 10.3389/fnbeh.2022.821080] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/20/2022] [Indexed: 12/16/2022] Open
Abstract
Chronic stress can increase the risk of developing a substance use disorder in vulnerable individuals. Numerous models have been developed to probe the underlying neurobiological mechanisms, however, most prior work has been restricted to male rodents, conducted only in rats, or introduces physical injury that can complicate opioid studies. Here we sought to establish how chronic psychosocial stress influences fentanyl consumption in male and female C57BL/6 mice. We used chronic social defeat stress (CSDS), or the modified vicarious chronic witness defeat stress (CWDS), and used social interaction to stratify mice as stress-susceptible or resilient. We then subjected mice to a 15 days fentanyl drinking paradigm in the home cage that consisted of alternating forced and choice periods with increasing fentanyl concentrations. Male mice susceptible to either CWDS or CSDS consumed more fentanyl relative to unstressed mice. CWDS-susceptible female mice did not differ from unstressed mice during the forced periods, but showed increased preference for fentanyl over time. We also found decreased expression of nucleus accumbens Rho GTPases in male, but not female mice following stress and fentanyl drinking. We also compare fentanyl drinking behavior in mice that had free access to plain water throughout. Our results indicate that stress-sensitized fentanyl consumption is dependent on both sex and behavioral outcomes to stress.
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Affiliation(s)
- Daniela Franco
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Andreas B. Wulff
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Mary Kay Lobo
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Megan E. Fox
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States,Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA, United States,*Correspondence: Megan E. Fox,
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8
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Pomrenze MB, Paliarin F, Maiya R. Friend of the Devil: Negative Social Influences Driving Substance Use Disorders. Front Behav Neurosci 2022; 16:836996. [PMID: 35221948 PMCID: PMC8866771 DOI: 10.3389/fnbeh.2022.836996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/13/2022] [Indexed: 11/20/2022] Open
Abstract
Substance use disorders in humans have significant social influences, both positive and negative. While prosocial behaviors promote group cooperation and are naturally rewarding, distressing social encounters, such as aggression exhibited by a conspecific, are aversive and can enhance the sensitivity to rewarding substances, promote the acquisition of drug-taking, and reinstate drug-seeking. On the other hand, withdrawal and prolonged abstinence from drugs of abuse can promote social avoidance and suppress social motivation, accentuating drug cravings and facilitating relapse. Understanding how complex social states and experiences modulate drug-seeking behaviors as well as the underlying circuit dynamics, such as those interacting with mesolimbic reward systems, will greatly facilitate progress on understanding triggers of drug use, drug relapse and the chronicity of substance use disorders. Here we discuss some of the common circuit mechanisms underlying social and addictive behaviors that may underlie their antagonistic functions. We also highlight key neurochemicals involved in social influences over addiction that are frequently identified in comorbid psychiatric conditions. Finally, we integrate these data with recent findings on (±)3,4-methylenedioxymethamphetamine (MDMA) that suggest functional segregation and convergence of social and reward circuits that may be relevant to substance use disorder treatment through the competitive nature of these two types of reward. More studies focused on the relationship between social behavior and addictive behavior we hope will spur the development of treatment strategies aimed at breaking vicious addiction cycles.
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Affiliation(s)
- Matthew B. Pomrenze
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, United States
- *Correspondence: Matthew B. Pomrenze Rajani Maiya
| | - Franciely Paliarin
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, LA, United States
| | - Rajani Maiya
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, LA, United States
- *Correspondence: Matthew B. Pomrenze Rajani Maiya
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9
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Robison AJ, Nestler EJ. ΔFOSB: A Potentially Druggable Master Orchestrator of Activity-Dependent Gene Expression. ACS Chem Neurosci 2022; 13:296-307. [PMID: 35020364 PMCID: PMC8879420 DOI: 10.1021/acschemneuro.1c00723] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
ΔFOSB is a uniquely stable member of the FOS family of immediate early gene AP1 transcription factors. Its accumulation in specific cell types and tissues in response to a range of chronic stimuli is associated with biological phenomena as diverse as memory formation, drug addiction, stress resilience, and immune cell activity. Causal connections between ΔFOSB expression and the physiological and behavioral sequelae of chronic stimuli have been established in rodent and, in some cases, primate models for numerous healthy and pathological states with such preclinical observations often supported by human data demonstrating tissue-specific ΔFOSB expression associated with several specific syndromes. However, the viability of ΔFOSB as a target for therapeutic intervention might be questioned over presumptive concerns of side effects given its expression in such a wide range of cell types and circumstances. Here, we summarize numerous insights from the past three decades of research into ΔFOSB structure, function, mechanisms of induction, and regulation of target genes that support its potential as a druggable target. We pay particular attention to the potential for targeting distinct ΔFOSB isoforms or distinct ΔFOSB-containing multiprotein complexes to achieve cell type or tissue specificity to overcome off-target concerns. We also cover critical gaps in knowledge that currently limit the exploitation of ΔFOSB's therapeutic possibilities and how they may be addressed. Finally, we summarize both current and potential future strategies for generating small molecules or genetic tools for the manipulation of ΔFOSB in the clinic.
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Affiliation(s)
- Alfred J Robison
- Department of Physiology, Michigan State University, East Lansing, Michigan 48824, United States
| | - Eric J Nestler
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
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10
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Doyle MA, Bali V, Eagle AL, Stark AR, Fallon B, Neve RL, Robison AJ, Mazei-Robison MS. Serum- and glucocorticoid-inducible kinase 1 activity in ventral tegmental area dopamine neurons regulates cocaine conditioned place preference but not cocaine self-administration. Neuropsychopharmacology 2021; 46:1574-1583. [PMID: 34007042 PMCID: PMC8280171 DOI: 10.1038/s41386-021-01032-3] [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] [Received: 12/04/2020] [Revised: 04/29/2021] [Accepted: 04/30/2021] [Indexed: 02/06/2023]
Abstract
Drugs of abuse regulate the activity of the mesolimbic dopamine (DA) system, and drug-induced changes in ventral tegmental area (VTA) cellular activity and gene regulation are linked to behavioral outputs associated with addiction. Previous work from our lab determined that VTA serum- and glucocorticoid-inducible kinase 1 (SGK1) transcription and catalytic activity were increased by repeated cocaine administration; however, it was unknown if these biochemical changes contributed to cocaine-elicited behaviors. Using transgenic and viral-mediated manipulations, we investigated the role of VTA SGK1 catalytic activity in regulating cocaine conditioned place preference and self-administration. We showed intra-VTA infusion of a catalytically inactive SGK1 mutant (K127Q) significantly decreased cocaine conditioned place preference (CPP). Further, we found that K127Q expression in VTA DA neurons significantly decreased cocaine CPP, while this same manipulation in VTA GABA neurons had no effect. However, blunted VTA DA SGK1 catalytic activity did not alter cocaine self-administration. Altogether, these studies identify the specific VTA cells critical for SGK1-mediated effects on cocaine CPP but not self-administration.
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Affiliation(s)
- Marie A. Doyle
- grid.17088.360000 0001 2150 1785Neuroscience Program, Michigan State University, East Lansing, USA
| | - Vedrana Bali
- grid.17088.360000 0001 2150 1785Department of Physiology, Michigan State University, East Lansing, USA
| | - Andrew L. Eagle
- grid.17088.360000 0001 2150 1785Department of Physiology, Michigan State University, East Lansing, USA
| | - Ali R. Stark
- grid.17088.360000 0001 2150 1785Neuroscience Program, Michigan State University, East Lansing, USA
| | - Barbara Fallon
- grid.17088.360000 0001 2150 1785Pharmacology and Toxicology Department, Michigan State University, East Lansing, USA
| | - Rachael L. Neve
- grid.32224.350000 0004 0386 9924Gene Technology Core, Massachusetts General Hospital, Boston, USA
| | - A. J. Robison
- grid.17088.360000 0001 2150 1785Neuroscience Program, Michigan State University, East Lansing, USA ,grid.17088.360000 0001 2150 1785Department of Physiology, Michigan State University, East Lansing, USA
| | - Michelle S. Mazei-Robison
- grid.17088.360000 0001 2150 1785Neuroscience Program, Michigan State University, East Lansing, USA ,grid.17088.360000 0001 2150 1785Department of Physiology, Michigan State University, East Lansing, USA
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11
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Kamens HM, Miller CN, Caulfield JI, Zeid D, Horton WJ, Silva CP, Sebastian A, Albert I, Gould TJ, Fishbein D, Grigson PS, Cavigelli SA. Adolescent Stress Reduces Adult Morphine-Induced Behavioral Sensitization in C57BL/6J Mice. Front Behav Neurosci 2021; 15:678102. [PMID: 34149372 PMCID: PMC8209305 DOI: 10.3389/fnbeh.2021.678102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/30/2021] [Indexed: 12/13/2022] Open
Abstract
Deaths related to opioid use have skyrocketed in the United States, leading to a public health epidemic. Research has shown that both biological (genes) and environmental (stress) precursors are linked to opioid use. In particular, stress during adolescence-a critical period of frontal lobe development-influences the likelihood of abusing drugs. However, little is known about the biological mechanisms through which adolescent stress leads to long-term risk of opioid use, or whether genetic background moderates this response. Male and female C57BL/6J and BALB/cJ mice were exposed to chronic variable social stress (CVSS) or control conditions throughout adolescence and then tested for morphine locomotor sensitization or morphine consumption in adulthood. To examine possible mechanisms that underlie stress-induced changes in morphine behaviors, we assessed physiological changes in response to acute stress exposure and prefrontal cortex (PFC) miRNA gene expression. Adolescent stress did not influence morphine sensitization or consumption in BALB/cJ animals, and there was limited evidence of stress effects in female C57BL/6J mice. In contrast, male C57BL/6J mice exposed to adolescent CVSS had blunted morphine sensitization compared to control animals; no differences were observed in the acute locomotor response to morphine administration or morphine consumption. Physiologically, C57BL/6J mice exposed to CVSS had an attenuated corticosterone recovery following an acute stressor and downregulation of twelve miRNA in the PFC compared to control mice. The specificity of the effects for C57BL/6J vs. BALB/cJ mice provides evidence of a gene-environment interaction influencing opioid behaviors. However, this conclusion is dampened by limited locomotor sensitization observed in BALB/cJ mice. It remains possible that results may differ to other doses of morphine or other behavioral responses. Long-term differences in stress reactivity or miRNA expression in C57BL/6J mice suggests two possible biological mechanisms to evaluate in future research.
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Affiliation(s)
- Helen M. Kamens
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, United States
| | - Carley N. Miller
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, United States
| | - Jasmine I. Caulfield
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, United States
| | - Dana Zeid
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, United States
| | - William J. Horton
- Department of Psychology, Bucknell University, Lewisburg, PA, United States
| | - Constanza P. Silva
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, United States
| | - Aswathy Sebastian
- Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, United States
| | - Istvan Albert
- Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, United States
| | - Thomas J. Gould
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, United States
| | - Diana Fishbein
- Department of Human Development and Family Studies, The Pennsylvania State University, University Park, PA, United States
- FPG Child Development Institute, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Patricia Sue Grigson
- Department of Neural and Behavioral Sciences, The Pennsylvania State University, Hershey, PA, United States
| | - Sonia A. Cavigelli
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, United States
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12
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Quessy F, Bittar T, Blanchette LJ, Lévesque M, Labonté B. Stress-induced alterations of mesocortical and mesolimbic dopaminergic pathways. Sci Rep 2021; 11:11000. [PMID: 34040100 PMCID: PMC8154906 DOI: 10.1038/s41598-021-90521-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 05/04/2021] [Indexed: 02/07/2023] Open
Abstract
Our ability to develop the cognitive strategies required to deal with daily-life stress is regulated by region-specific neuronal networks. Experimental evidence suggests that prolonged stress in mice induces depressive-like behaviors via morphological, functional and molecular changes affecting the mesolimbic and mesocortical dopaminergic pathways. Yet, the molecular interactions underlying these changes are still poorly understood, and whether they affect males and females similarly is unknown. Here, we used chronic social defeat stress (CSDS) to induce depressive-like behaviors in male and female mice. Density of the mesolimbic and mesocortical projections was assessed via immuno-histochemistry combined with Sholl analysis along with the staining of activity-dependent markers pERK and c-fos in the ventral tegmental area (VTA), nucleus accumbens (NAc) and medial prefrontal cortex (mPFC). Our results show that social stress decreases the density of TH+ dopaminergic axonal projections in the deep layers of the mPFC in susceptible but not resilient male and female mice. Consistently, our analyses suggest that pERK expression is decreased in the mPFC but increased in the NAc following CSDS in males and females, with no change in c-fos expression in both sexes. Overall, our findings indicate that social defeat stress impacts the mesolimbic and mesocortical pathways by altering the molecular interactions regulating somatic and axonal plasticity in males and females.
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Affiliation(s)
- F Quessy
- CERVO Brain Research Centre, Quebec, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec, QC, Canada
| | - T Bittar
- CERVO Brain Research Centre, Quebec, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec, QC, Canada
| | - L J Blanchette
- CERVO Brain Research Centre, Quebec, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec, QC, Canada
| | - M Lévesque
- CERVO Brain Research Centre, Quebec, QC, Canada. .,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec, QC, Canada.
| | - B Labonté
- CERVO Brain Research Centre, Quebec, QC, Canada. .,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec, QC, Canada.
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13
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Bali V, Simmons SC, Manning CE, Doyle MA, Rodriguez M, Stark AR, Ayala Rosario SN, Robison AJ, Mazei-Robison MS. Characterization of proinflammatory markers in the ventral tegmental area across mouse models of chronic stress. Neuroscience 2021; 461:11-22. [PMID: 33689861 DOI: 10.1016/j.neuroscience.2021.02.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/03/2021] [Accepted: 02/25/2021] [Indexed: 11/18/2022]
Abstract
Despite the high prevalence of major depressive disorder (MDD), understanding of the biological underpinnings remains limited. Rodent models suggest that changes in activity and output of dopamine (DA) neurons in the ventral tegmental area (VTA) are important for depressive-like phenotypes. Additionally, brain inflammatory processes are thought to contribute to MDD pathology and inflammation in the VTA has been linked to changes in VTA DA neuronal activity. Thus, we sought to determine whether there is increased inflammatory signaling in the VTA following forms of chronic stress that induce depressive-like symptoms. First, we subjected male mice to either physical or vicarious chronic social defeat stress (CSDS), paradigms known to induce long-term depressive-like behavior and changes in VTA signaling. Second, we subjected male and female mice to subchronic variable stress (SCVS), a paradigm that induces depressive-like behavior only in female mice. We then isolated mRNA from the VTA and assessed proinflammatory gene regulation via RT-PCR. Our results show that physical, but not vicarious, CSDS increases interleukin 1β (IL-1β) mRNA expression and this inversely correlates with social interaction score. In contrast, IL-1β expression was unchanged in male or female mice following SCVS. No significant increases in VTA ionized calcium binding adapter molecule 1 (Iba1) and glial fibrillary acidic protein (GFAP) immunochemistry were detected following CSDS that would be indicative of a robust inflammatory response. In conclusion, we show that chronic stressors distinctively alter expression of proinflammatory genes in the VTA and changes may depend on the severity and time-course of the stress exposure.
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Affiliation(s)
- Vedrana Bali
- Dept of Physiology, Michigan State University, East Lansing, MI 48824, United States; Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Sarah C Simmons
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Claire E Manning
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Marie A Doyle
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Minerva Rodriguez
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Ali R Stark
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | | | - A J Robison
- Dept of Physiology, Michigan State University, East Lansing, MI 48824, United States; Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Michelle S Mazei-Robison
- Dept of Physiology, Michigan State University, East Lansing, MI 48824, United States; Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States.
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14
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Peen NF, Duque-Wilckens N, Trainor BC. Convergent neuroendocrine mechanisms of social buffering and stress contagion. Horm Behav 2021; 129:104933. [PMID: 33465346 PMCID: PMC7965339 DOI: 10.1016/j.yhbeh.2021.104933] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 01/07/2023]
Abstract
Social interactions play a key role in modulating the impact of stressful experiences. In some cases, social interactions can result in social buffering, the process in which the presence of one individual reduces the physiological and behavioral impact of stress in another individual. On the other hand, there is growing evidence that a key initiating factor of social buffering behaviors is the initiation of an anxiogenic state in the individual that was not directly exposed to the stress. This is referred to as stress contagion (a form of emotion contagion). Both processes involve the transmission of social information, suggesting that contagion and buffering could share similar neural mechanisms. In general, mechanistic studies of contagion and buffering are considered separately, even though behavioral studies show that a degree of contagion is usually necessary for social buffering behaviors to occur. Here we consider the extent to which the neuropeptides corticotropin releasing hormone and oxytocin are involved in contagion and stress buffering. We also assess the importance that frontal cortical areas such as the anterior cingulate cortex and infralimbic cortex play in these behavioral processes. We suggest that further work that directly compares neural mechanisms during stress contagion and stress buffering will be important for identifying what appear to be distinct but overlapping circuits mediating these processes.
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Affiliation(s)
- Natanja F Peen
- Department of Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands; Department of Psychology, University of California, Davis, CA. USA
| | - Natalia Duque-Wilckens
- Department of Psychology, University of California, Davis, CA. USA; Departments of Physiology and Large Animal Clinical Sciences, Michigan State University, East Lansing, MI. USA
| | - Brian C Trainor
- Department of Psychology, University of California, Davis, CA. USA.
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15
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Calarco CA, Lobo MK. Depression and substance use disorders: Clinical comorbidity and shared neurobiology. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2020; 157:245-309. [PMID: 33648671 DOI: 10.1016/bs.irn.2020.09.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Mood disorders, including major depressive disorder (MDD), are the most prevalent psychiatric illnesses, and pose an incredible burden to society, both in terms of disability and in terms of costs associated with medical care and lost work time. MDD has extremely high rates of comorbidity with substance use disorders (SUD) as many of the same neurobiological circuits and molecular mechanisms regulate the reward pathways disrupted in both conditions. MDD may induce SUDs, SUD may contribute to MDD development, or underlying vulnerabilities and common life experience may confer risk to developing both conditions. In this chapter we explore theories of MDD and SUD comorbidity, the neurobiological underpinnings of depression, overlapping cellular and molecular pathways for both conditions, and current treatment approaches for these comorbid conditions.
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Affiliation(s)
- Cali A Calarco
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Mary Kay Lobo
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, United States.
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16
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Indirect exposure to socially defeated conspecifics using recorded video activates the HPA axis and reduces reward sensitivity in mice. Sci Rep 2020; 10:16881. [PMID: 33037312 PMCID: PMC7547068 DOI: 10.1038/s41598-020-73988-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 09/24/2020] [Indexed: 12/21/2022] Open
Abstract
Rodents perceive the emotional states of conspecifics using vision. In the present study, we demonstrated that exposure to the video-recorded distress of conspecifics induces stress responses in male C57BL/6J mice. A single exposure to a video-recorded scene of the social defeat stress (SDS) increased plasma corticosterone levels in these mice. This physiological change was suppressed by blocking the visual information, suggesting that vision plays a crucial role in inducing stress responses. Furthermore, after exposure to the video, there were increased numbers of c-Fos-positive neurons in the anterior cingulate cortex and other brain areas that are associated with the negative valence and empathy systems, but not in the regions related to the pain signaling. In addition, repeated exposure to SDS videos induced an apparent reduction in reward sensitivity in the sucrose preference test, but did not affect avoidance behaviour in the social interaction test or immobility behaviour in the forced swim test. Reduced reward sensitivity in mice reflects anhedonia, which is a core symptom of depression in humans. Our video SDS model therefore provides a unique opportunity to not only understand the mechanisms underlying stress-induced anhedonia, but also to screen effective candidate molecules for stress-related disorders with greater reproducibility.
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17
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Doyle MA, Stark AR, Fejes-Tóth G, Náray-Fejes-Tóth A, Mazei-Robison MS. Behavioral effects of SGK1 knockout in VTA and dopamine neurons. Sci Rep 2020; 10:14751. [PMID: 32901079 PMCID: PMC7478959 DOI: 10.1038/s41598-020-71681-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 07/28/2020] [Indexed: 12/15/2022] Open
Abstract
Drugs of abuse cause significant neuroadaptations within the ventral tegmental area (VTA), with alterations in gene expression tied to changes in reward behavior. Serum- and glucocorticoid-inducible kinase 1 (SGK1) transcription, catalytic activity, and phosphorylation are upregulated in the VTA by chronic cocaine or morphine treatment, positioning SGK1 as a critical mediator of reward behavior. Using transgenic mouse models, we investigated the effect of SGK1 knockout in the VTA and in dopamine (DA) neurons to evaluate the necessity of protein expression for natural and drug reward behaviors. SGK1 knockdown in the VTA did not impact reward behaviors. Given VTA cellular heterogeneity, we also investigated a DA neuron-specific SGK1 knockout (KO). DA SGK1 KO significantly decreased body weight of adult mice as well as increased general locomotor activity; however, reward behaviors were similarly unaltered. Given that SGK1 mutants virally overexpressed in the VTA are capable of altering drug-associated behavior, our current results suggest that changes in SGK1 protein signaling may be distinct from expression. This work yields novel information on the impact of SGK1 deletion, critical for understanding the role of SGK1 signaling in the central nervous system and evaluating SGK1 as a potential therapeutic target for treatment of substance use disorders.
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Affiliation(s)
- Marie A Doyle
- Neuroscience Program, Michigan State University, 766 Service Rd, ISTB 5017, East Lansing, MI, 48824, USA
| | - Ali R Stark
- Neuroscience Program, Michigan State University, 766 Service Rd, ISTB 5017, East Lansing, MI, 48824, USA
| | - Geza Fejes-Tóth
- Department of Molecular and Systems Biology, Dartmouth University, Hanover, USA
| | | | - Michelle S Mazei-Robison
- Neuroscience Program, Michigan State University, 766 Service Rd, ISTB 5017, East Lansing, MI, 48824, USA.
- Department of Physiology, Michigan State University, East Lansing, USA.
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18
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Eagle AL, Manning CE, Williams ES, Bastle RM, Gajewski PA, Garrison A, Wirtz AJ, Akguen S, Brandel-Ankrapp K, Endege W, Boyce FM, Ohnishi YN, Mazei-Robison M, Maze I, Neve RL, Robison AJ. Circuit-specific hippocampal ΔFosB underlies resilience to stress-induced social avoidance. Nat Commun 2020; 11:4484. [PMID: 32901027 PMCID: PMC7479591 DOI: 10.1038/s41467-020-17825-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 07/22/2020] [Indexed: 01/23/2023] Open
Abstract
Chronic stress is a key risk factor for mood disorders like depression, but the stress-induced changes in brain circuit function and gene expression underlying depression symptoms are not completely understood, hindering development of novel treatments. Because of its projections to brain regions regulating reward and anxiety, the ventral hippocampus is uniquely poised to translate the experience of stress into altered brain function and pathological mood, though the cellular and molecular mechanisms of this process are not fully understood. Here, we use a novel method of circuit-specific gene editing to show that the transcription factor ΔFosB drives projection-specific activity of ventral hippocampus glutamatergic neurons causing behaviorally diverse responses to stress. We establish molecular, cellular, and circuit-level mechanisms for depression- and anxiety-like behavior in response to stress and use circuit-specific gene expression profiling to uncover novel downstream targets as potential sites of therapeutic intervention in depression.
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Affiliation(s)
- Andrew L Eagle
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | - Claire E Manning
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | | | - Ryan M Bastle
- Department of Neuroscience, Icahn School of Medicine, Mount Sinai, New York, NY, USA
| | - Paula A Gajewski
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | - Amber Garrison
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | - Alexis J Wirtz
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | - Seda Akguen
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | | | - Wilson Endege
- Department of Neurology, Massachusetts General Hospital, Cambridge, MA, USA
| | - Frederick M Boyce
- Department of Neurology, Massachusetts General Hospital, Cambridge, MA, USA
| | - Yoshinori N Ohnishi
- Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
- Department of Medical Biophysics and Radiation Biology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | | | - Ian Maze
- Department of Neuroscience, Icahn School of Medicine, Mount Sinai, New York, NY, USA
| | - Rachel L Neve
- Gene Technology Transfer Core, Massachusetts General Hospital, Cambridge, MA, USA
| | - Alfred J Robison
- Department of Physiology, Michigan State University, East Lansing, MI, USA.
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19
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Warren BL, Mazei-Robison MS, Robison AJ, Iñiguez SD. Can I Get a Witness? Using Vicarious Defeat Stress to Study Mood-Related Illnesses in Traditionally Understudied Populations. Biol Psychiatry 2020; 88:381-391. [PMID: 32228871 PMCID: PMC7725411 DOI: 10.1016/j.biopsych.2020.02.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 01/15/2020] [Accepted: 02/06/2020] [Indexed: 12/17/2022]
Abstract
The chronic social defeat stress model has been instrumental in shaping our understanding of neurobiology relevant to affect-related illnesses, including major depressive disorder. However, the classic chronic social defeat stress procedure is limited by its exclusive application to adult male rodents. We have recently developed a novel vicarious social defeat stress procedure wherein one mouse witnesses the physical defeat bout of a conspecific from the safety of an adjacent compartment. This witness mouse develops a similar behavioral phenotype to that of the mouse that physically experiences social defeat stress, modeling multiple aspects of major depressive disorder. Importantly, this new procedure allows researchers to perform vicarious social defeat stress in males or females and in juvenile mice, which typically are excluded from classic social defeat experiments. Here we discuss several recent advances made using this procedure and how its application provides a new preclinical approach to study the neurobiology of psychological stress-induced phenotypes.
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Affiliation(s)
- Brandon L Warren
- Department of Pharmacodynamics, University of Florida, Gainesville, Florida
| | | | - Alfred J Robison
- Department of Physiology, Michigan State University, East Lansing, Michigan
| | - Sergio D Iñiguez
- Department of Psychology, The University of Texas at El Paso, El Paso, Texas.
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20
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Müller CP. Drug instrumentalization. Behav Brain Res 2020; 390:112672. [PMID: 32442549 DOI: 10.1016/j.bbr.2020.112672] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 12/19/2022]
Abstract
Psychoactive drugs with addiction potential are widely used by people of virtually all cultures in a non-addictive way. In order to understand this behaviour, its population penetrance, and its persistence, drug instrumentalization was suggested as a driving force for this consumption. Drug instrumentalization theory holds that psychoactive drugs are consumed in a very systematic way in order to make other, non-drug-related behaviours more efficient. Here, we review the evolutionary origin of this behaviour and its psychological mechanisms and explore the neurobiological and neuropharmacological mechanisms underlying them. Instrumentalization goals are discussed, for which an environmentally selective and mental state-dependent consumption of psychoactive drugs can be learned and maintained in a non-addictive way. A small percentage of people who regularly instrumentalize psychoactive drugs make a transition to addiction, which often starts with qualitative and quantitative changes in the instrumentalization goals. As such, addiction is proposed to develop from previously established long-term drug instrumentalization. Thus, preventing and treating drug addiction in an individualized medicine approach may essentially require understanding and supporting personal instrumentalization goals.
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Affiliation(s)
- Christian P Müller
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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21
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Ahmed SH, Badiani A, Miczek KA, Müller CP. Non-pharmacological factors that determine drug use and addiction. Neurosci Biobehav Rev 2020; 110:3-27. [PMID: 30179633 PMCID: PMC6395570 DOI: 10.1016/j.neubiorev.2018.08.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/26/2018] [Accepted: 08/28/2018] [Indexed: 12/26/2022]
Abstract
Based on their pharmacological properties, psychoactive drugs are supposed to take control of the natural reward system to finally drive compulsory drug seeking and consumption. However, psychoactive drugs are not used in an arbitrary way as pure pharmacological reinforcement would suggest, but rather in a highly specific manner depending on non-pharmacological factors. While pharmacological effects of psychoactive drugs are well studied, neurobiological mechanisms of non-pharmacological factors are less well understood. Here we review the emerging neurobiological mechanisms beyond pharmacological reinforcement which determine drug effects and use frequency. Important progress was made on the understanding of how the character of an environment and social stress determine drug self-administration. This is expanded by new evidence on how behavioral alternatives and opportunities for drug instrumentalization generate different patterns of drug choice. Emerging evidence suggests that the neurobiology of non-pharmacological factors strongly determines pharmacological and behavioral drug action and may, thus, give rise for an expanded system's approach of psychoactive drug use and addiction.
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Affiliation(s)
- Serge H Ahmed
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 146 rue Léo-Saignat, F-33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 146 rue Léo-Saignat, F-33000 Bordeaux, France
| | - Aldo Badiani
- Department of Physiology and Pharmacology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; Sussex Addiction Research and Intervention Centre (SARIC), School of Psychology, University of Sussex, BN1 9RH Brighton, UK
| | - Klaus A Miczek
- Psychology Department, Tufts University, Bacon Hall, 530 Boston Avenue, Medford, MA 02155, USA; Department of Neuroscience, Sackler School of Graduate Biomedical Sciences, Boston, MA 02111, USA
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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22
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Abstract
This paper is the fortieth consecutive installment of the annual anthological review of research concerning the endogenous opioid system, summarizing articles published during 2017 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides and receptors as well as effects of opioid/opiate agonists and antagonists. The review is subdivided into the following specific topics: molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors (1), the roles of these opioid peptides and receptors in pain and analgesia in animals (2) and humans (3), opioid-sensitive and opioid-insensitive effects of nonopioid analgesics (4), opioid peptide and receptor involvement in tolerance and dependence (5), stress and social status (6), learning and memory (7), eating and drinking (8), drug abuse and alcohol (9), sexual activity and hormones, pregnancy, development and endocrinology (10), mental illness and mood (11), seizures and neurologic disorders (12), electrical-related activity and neurophysiology (13), general activity and locomotion (14), gastrointestinal, renal and hepatic functions (15), cardiovascular responses (16), respiration and thermoregulation (17), and immunological responses (18).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, CUNY, 65-30 Kissena Blvd., Flushing, NY, 11367, United States.
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23
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Bloomfield MA, McCutcheon RA, Kempton M, Freeman TP, Howes O. The effects of psychosocial stress on dopaminergic function and the acute stress response. eLife 2019; 8:46797. [PMID: 31711569 PMCID: PMC6850765 DOI: 10.7554/elife.46797] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 10/12/2019] [Indexed: 01/19/2023] Open
Abstract
Chronic psychosocial adversity induces vulnerability to mental illnesses. Animal studies demonstrate that this may be mediated by dopaminergic dysfunction. We therefore investigated whether long-term exposure to psychosocial adversity was associated with dopamine dysfunction and its relationship to psychological and physiological responses to acute stress. Using 3,4-dihydroxy-6-[18F]-fluoro-l-phenylalanine ([18F]-DOPA) positron emission tomography (PET), we compared dopamine synthesis capacity in n = 17 human participants with high cumulative exposure to psychosocial adversity with n = 17 age- and sex-matched participants with low cumulative exposure. The PET scan took place 2 hr after the induction of acute psychosocial stress using the Montréal Imaging Stress Task to induce acute psychosocial stress. We found that dopamine synthesis correlated with subjective threat and physiological response to acute psychosocial stress in the low exposure group. Long-term exposure to psychosocial adversity was associated with dampened striatal dopaminergic function (p=0.03, d = 0.80) and that psychosocial adversity blunted physiological yet potentiated subjective responses to acute psychosocial stress. Future studies should investigate the roles of these changes in vulnerability to mental illnesses.
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Affiliation(s)
- Michael Ap Bloomfield
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences, Imperial College London, London, United Kingdom.,Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, UCL Institute of Mental Health, University College London, London, United Kingdom.,Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom.,Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, United Kingdom.,NIHR University College London Hospitals Biomedical Research Centre, London, United Kingdom.,The Traumatic Stress Clinic, St Pancras Hospital, Camden and Islington NHS Foundation Trust, London, United Kingdom.,National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, United Kingdom
| | - Robert A McCutcheon
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences, Imperial College London, London, United Kingdom.,Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom
| | - Matthew Kempton
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom
| | - Tom P Freeman
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, UCL Institute of Mental Health, University College London, London, United Kingdom.,Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, United Kingdom.,Department of Psychology, University of Bath, Bath, United Kingdom
| | - Oliver Howes
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences, Imperial College London, London, United Kingdom.,Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom
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24
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Parkinson's Disease-Linked LRRK2-G2019S Mutation Alters Synaptic Plasticity and Promotes Resilience to Chronic Social Stress in Young Adulthood. J Neurosci 2018; 38:9700-9711. [PMID: 30249796 DOI: 10.1523/jneurosci.1457-18.2018] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 09/06/2018] [Accepted: 09/13/2018] [Indexed: 12/20/2022] Open
Abstract
The G2019S mutation in leucine-rich repeat kinase 2 (LRRK2) is a prevalent cause of late-onset Parkinson's disease, producing psychiatric and motor symptoms, including depression, that are indistinguishable from sporadic cases. Here we tested how this mutation impacts depression-related behaviors and associated synaptic responses and plasticity in mice expressing a Lrrk2-G2019S knock-in mutation. Young adult male G2019S knock-in and wild-type mice were subjected to chronic social defeat stress (CSDS), a validated depression model, and other tests of anhedonia, anxiety, and motor learning. We found that G2019S mice were highly resilient to CSDS, failing to exhibit social avoidance compared to wild-type mice, many of which exhibited prominent social avoidance and were thus susceptible to CSDS. In the absence of CSDS, no behavioral differences between genotypes were found. Whole-cell recordings of spiny projection neurons (SPNs) in the nucleus accumbens revealed that glutamatergic synapses in G2019S mice lacked functional calcium-permeable AMPARs, and following CSDS, failed to accumulate inwardly rectifying AMPAR responses characteristic of susceptible mice. Based on this abnormal AMPAR response profile, we asked whether long-term potentiation (LTP) of corticostriatal synaptic strength was affected. We found that both D1 receptor (D1R)- and D2R-SPNs in G2019S mutants were unable to express LTP, with D2R-SPNs abnormally expressing long-term depression following an LTP-induction protocol. Thus, G2019S promotes resilience to chronic social stress in young adulthood, likely reflecting synapses constrained in their ability to undergo experience-dependent plasticity. These unexpected findings may indicate early adaptive coping mechanisms imparted by the G2019S mutation.SIGNIFICANCE STATEMENT The G2019S mutation in LRRK2 causes late-onset Parkinson's disease (PD). LRRK2 is highly expressed in striatal neurons throughout life, but it is unclear how mutant LRRK2 affects striatal neuron function and behaviors in young adulthood. We addressed this question using Lrrk2-G2019S knock-in mice. The data show that young adult G2019S mice were unusually resilient to a depression-like syndrome resulting from chronic social stress. Further, mutant striatal synapses were incapable of forms of synaptic plasticity normally accompanying depression-like behavior and important for supporting the full range of cognitive function. These data suggest that in humans, LRRK2 mutation may affect striatal circuit function in ways that alter normal responses to stress and could be relevant for treatment strategies for non-motor PD symptoms.
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25
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Newman EL, Leonard MZ, Arena DT, de Almeida RMM, Miczek KA. Social defeat stress and escalation of cocaine and alcohol consumption: Focus on CRF. Neurobiol Stress 2018; 9:151-165. [PMID: 30450381 PMCID: PMC6236516 DOI: 10.1016/j.ynstr.2018.09.007] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 09/10/2018] [Accepted: 09/17/2018] [Indexed: 12/15/2022] Open
Abstract
Both the ostensibly aversive effects of unpredictable episodes of social stress and the intensely rewarding effects of drugs of abuse activate the mesocorticolimbic dopamine systems. Significant neuroadaptations in interacting stress and reward neurocircuitry may underlie the striking connection between stress and substance use disorders. In rodent models, recurring intermittent exposure to social defeat stress appears to produce a distinct profile of neuroadaptations that translates most readily to the repercussions of social stress in humans. In the present review, preclinical rodent models of social defeat stress and subsequent alcohol, cocaine or opioid consumption are discussed with regard to: (1) the temporal pattern of social defeat stress, (2) male and female protocols of social stress-escalated drug consumption, and (3) the neuroplastic effects of social stress, which may contribute to escalated drug-taking. Neuroadaptations in corticotropin-releasing factor (CRF) and CRF modulation of monoamines in the ventral tegmental area and the bed nucleus of the stria terminalis are highlighted as potential mechanisms underlying stress-escalated drug consumption. However, the specific mechanisms that drive CRF-mediated increases in dopamine require additional investigation as do the stress-induced neuroadaptations that may contribute to the development of compulsive patterns of drug-taking.
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Affiliation(s)
- Emily L Newman
- Psychology Dept., Tufts University, Medford, MA, 02155, USA
| | | | | | - Rosa M M de Almeida
- Institute of Psychology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Klaus A Miczek
- Psychology Dept., Tufts University, Medford, MA, 02155, USA.,Dept. of Neuroscience, Sackler School of Graduate Biomedical Sciences, Boston, MA, 02111, USA
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26
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Imperio CG, McFalls AJ, Hadad N, Blanco-Berdugo L, Masser DR, Colechio EM, Coffey AA, Bixler GV, Stanford DR, Vrana KE, Grigson PS, Freeman WM. Exposure to environmental enrichment attenuates addiction-like behavior and alters molecular effects of heroin self-administration in rats. Neuropharmacology 2018; 139:26-40. [PMID: 29964093 PMCID: PMC6067959 DOI: 10.1016/j.neuropharm.2018.06.037] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 06/25/2018] [Accepted: 06/27/2018] [Indexed: 01/11/2023]
Abstract
Environmental factors profoundly affect the addictive potential of drugs of abuse and may also modulate the neuro-anatomical/neuro-chemical impacts of uncontrolled drug use and relapse propensity. This study examined the impact of environmental enrichment on heroin self-administration, addiction-related behaviors, and molecular processes proposed to underlie these behaviors. Male Sprague-Dawley rats in standard and enriched housing conditions intravenously self-administered similar amounts of heroin over 14 days. However, environmental enrichment attenuated progressive ratio, extinction, and reinstatement session responding after 14 days of enforced abstinence. Molecular mechanisms, namely DNA methylation and gene expression, are proposed to underlie abstinence-persistent behaviors. A global reduction in methylation is reported to coincide with addiction, but no differences in total genomic methylation or repeat element methylation were observed in CpG or non-CpG (CH) contexts across the mesolimbic circuitry as assessed by multiple methods including whole genome bisulfite sequencing. Immediate early gene expression associated with drug seeking, taking, and abstinence also were examined. EGR1 and EGR2 were suppressed in mesolimbic regions with heroin-taking and environmental enrichment. Site-specific methylation analysis of EGR1 and EGR2 promoter regions using bisulfite amplicon sequencing (BSAS) revealed hypo-methylation in the EGR2 promoter region and EGR1 intragenic CpG sites with heroin-taking and environmental enrichment that was associated with decreased mRNA expression. Taken together, these findings illuminate the impact of drug taking and environment on the epigenome in a locus and gene-specific manner and highlight the need for positive, alternative rewards in the treatment and prevention of drug addiction.
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Affiliation(s)
- Caesar G. Imperio
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, Pennsylvania
| | - Ashley J. McFalls
- Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania
| | - Niran Hadad
- Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | | | - Dustin R. Masser
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Elizabeth M. Colechio
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, Pennsylvania
| | - Alissa A. Coffey
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, Pennsylvania
| | - Georgina V. Bixler
- Genome Sciences Facility, Penn State College of Medicine, Hershey, Pennsylvania
| | - David R. Stanford
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Kent. E. Vrana
- Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania
| | - Patricia S. Grigson
- Department of Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, Pennsylvania
| | - Willard M. Freeman
- Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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