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Nestler EJ, Russo SJ. Neurobiological basis of stress resilience. Neuron 2024; 112:1911-1929. [PMID: 38795707 PMCID: PMC11189737 DOI: 10.1016/j.neuron.2024.05.001] [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: 01/02/2024] [Revised: 03/21/2024] [Accepted: 05/01/2024] [Indexed: 05/28/2024]
Abstract
A majority of humans faced with severe stress maintain normal physiological and behavioral function, a process referred to as resilience. Such stress resilience has been modeled in laboratory animals and, over the past 15 years, has transformed our understanding of stress responses and how to approach the treatment of human stress disorders such as depression, post-traumatic stress disorder (PTSD), and anxiety disorders. Work in rodents has demonstrated that resilience to chronic stress is an active process that involves much more than simply avoiding the deleterious effects of the stress. Rather, resilience is mediated largely by the induction of adaptations that are associated uniquely with resilience. Such mechanisms of natural resilience in rodents are being characterized at the molecular, cellular, and circuit levels, with an increasing number being validated in human investigations. Such discoveries raise the novel possibility that treatments for human stress disorders, in addition to being geared toward reversing the damaging effects of stress, can also be based on inducing mechanisms of natural resilience in individuals who are inherently more susceptible. This review provides a progress report on this evolving field.
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Affiliation(s)
- Eric J Nestler
- Nash Family Department of Neuroscience and Department of Psychiatry, The Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
| | - Scott J Russo
- Nash Family Department of Neuroscience and Department of Psychiatry, The Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
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2
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Al-Kachak A, Di Salvo G, Fulton SL, Chan JC, Farrelly LA, Lepack AE, Bastle RM, Kong L, Cathomas F, Newman EL, Menard C, Ramakrishnan A, Safovich P, Lyu Y, Covington HE, Shen L, Gleason K, Tamminga CA, Russo SJ, Maze I. Histone serotonylation in dorsal raphe nucleus contributes to stress- and antidepressant-mediated gene expression and behavior. Nat Commun 2024; 15:5042. [PMID: 38871707 PMCID: PMC11176395 DOI: 10.1038/s41467-024-49336-4] [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: 09/18/2023] [Accepted: 05/28/2024] [Indexed: 06/15/2024] Open
Abstract
Mood disorders are an enigmatic class of debilitating illnesses that affect millions of individuals worldwide. While chronic stress clearly increases incidence levels of mood disorders, including major depressive disorder (MDD), stress-mediated disruptions in brain function that precipitate these illnesses remain largely elusive. Serotonin-associated antidepressants (ADs) remain the first line of therapy for many with depressive symptoms, yet low remission rates and delays between treatment and symptomatic alleviation have prompted skepticism regarding direct roles for serotonin in the precipitation and treatment of affective disorders. Our group recently demonstrated that serotonin epigenetically modifies histone proteins (H3K4me3Q5ser) to regulate transcriptional permissiveness in brain. However, this non-canonical phenomenon has not yet been explored following stress and/or AD exposures. Here, we employed a combination of genome-wide and biochemical analyses in dorsal raphe nucleus (DRN) of male and female mice exposed to chronic social defeat stress, as well as in DRN of human MDD patients, to examine the impact of stress exposures/MDD diagnosis on H3K4me3Q5ser dynamics, as well as associations between the mark and depression-related gene expression. We additionally assessed stress-induced/MDD-associated regulation of H3K4me3Q5ser following AD exposures, and employed viral-mediated gene therapy in mice to reduce H3K4me3Q5ser levels in DRN and examine its impact on stress-associated gene expression and behavior. We found that H3K4me3Q5ser plays important roles in stress-mediated transcriptional plasticity. Chronically stressed mice displayed dysregulated H3K4me3Q5ser dynamics in DRN, with both AD- and viral-mediated disruption of these dynamics proving sufficient to attenuate stress-mediated gene expression and behavior. Corresponding patterns of H3K4me3Q5ser regulation were observed in MDD subjects on vs. off ADs at their time of death. These findings thus establish a neurotransmission-independent role for serotonin in stress-/AD-associated transcriptional and behavioral plasticity, observations of which may be of clinical relevance to human MDD and its treatment.
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Affiliation(s)
- Amni Al-Kachak
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Giuseppina Di Salvo
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Maastricht University, Maastricht, The Netherlands
| | - Sasha L Fulton
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Jennifer C Chan
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Lorna A Farrelly
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ashley E Lepack
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ryan M Bastle
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Lingchun Kong
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Flurin Cathomas
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Emily L Newman
- Department of Psychiatry, McLean Hospital and Harvard Medical School, Belmont, MA, 02478, USA
| | - Caroline Menard
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Aarthi Ramakrishnan
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Polina Safovich
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Yang Lyu
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Herbert E Covington
- Department of Psychology, Empire State College, State University of New York, Saratoga Springs, NY, 12866, USA
| | - Li Shen
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Kelly Gleason
- Department of Psychiatry, University of Texas Southwestern Medical School, Dallas, TX, 75390, USA
| | - Carol A Tamminga
- Department of Psychiatry, University of Texas Southwestern Medical School, Dallas, TX, 75390, USA
| | - Scott J Russo
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ian Maze
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Howard Hughes Medical Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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Mews P, Sosnick L, Gurung A, Sidoli S, Nestler EJ. Decoding cocaine-induced proteomic adaptations in the mouse nucleus accumbens. Sci Signal 2024; 17:eadl4738. [PMID: 38626009 PMCID: PMC11170322 DOI: 10.1126/scisignal.adl4738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 03/28/2024] [Indexed: 04/18/2024]
Abstract
Cocaine use disorder (CUD) is a chronic neuropsychiatric condition that results from enduring cellular and molecular adaptations. Among substance use disorders, CUD is notable for its rising prevalence and the lack of approved pharmacotherapies. The nucleus accumbens (NAc), a region that is integral to the brain's reward circuitry, plays a crucial role in the initiation and continuation of maladaptive behaviors that are intrinsic to CUD. Leveraging advancements in neuroproteomics, we undertook a proteomic analysis that spanned membrane, cytosolic, nuclear, and chromatin compartments of the NAc in a mouse model. The results unveiled immediate and sustained proteomic modifications after cocaine exposure and during prolonged withdrawal. We identified congruent protein regulatory patterns during initial cocaine exposure and reexposure after withdrawal, which contrasted with distinct patterns during withdrawal. Pronounced proteomic shifts within the membrane compartment indicated adaptive and long-lasting molecular responses prompted by cocaine withdrawal. In addition, we identified potential protein translocation events between soluble-nuclear and chromatin-bound compartments, thus providing insight into intracellular protein dynamics after cocaine exposure. Together, our findings illuminate the intricate proteomic landscape that is altered in the NAc by cocaine use and provide a dataset for future research toward potential therapeutics.
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Affiliation(s)
- Philipp Mews
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Lucas Sosnick
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ashik Gurung
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Simone Sidoli
- Department of Biochemistry, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Eric J. Nestler
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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Serrano-Juárez CA, Prieto-Corona B, Rodríguez-Camacho M, Sandoval-Lira L, Villalva-Sánchez ÁF, Yáñez-Téllez MG, López MFR. Neuropsychological Genotype-Phenotype in Patients with Williams Syndrome with Atypical Deletions: A Systematic Review. Neuropsychol Rev 2023; 33:891-911. [PMID: 36520254 DOI: 10.1007/s11065-022-09571-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 11/04/2022] [Indexed: 12/16/2022]
Abstract
Williams syndrome (WS) is a neurodevelopmental disorder caused by a microdeletion in the q11.23 region of chromosome 7. Recent case series reports and clinical case studies have suggested that the cognitive, behavioral, emotional, and social profile in WS could depend on the genes involved in the deletion. The objective of this systematic review was to analyze and synthesize the variability of the cognitive and behavioral profile of WS with atypical deletion and its probable relationship with the affected genes. The medical subject headings searched were "Williams syndrome," "genotype," "phenotype," "cognitive profile," and "atypical deletion." The studies included were in English or Spanish, with children and adults, and published between January 2000 and October 2022. Twenty-three studies are reported. The characteristics of the participants, the genes involved, the neuropsychological domains and instruments, and the prevalence of the WS cognitive profile criteria were used for the genotype-phenotype analysis. The genes with a major impact on the cognitive profile of WS were (a) LIMK1 and those belonging to the GTF2I family, the former with a greater influence on visuospatial abilities; (b) GTF2IRD1 and GTF2I, which have an impact on intellectual capacity as well as on visuospatial and social skills; (c) FZD9, BAZ1B, STX1A, and CLIP2, which influence the cognitive profile if other genes are also effected; and (d) GTF2IRD2, which is related to the severity of the effect on visuospatial and social skills, producing a behavioral phenotype like that of the autism spectrum. The review revealed four neuropsychological phenotypes, depending on the genes involved, and established the need for more comprehensive study of the neuropsychological profile of these patients. Based on the results found, we propose a model for the investigation of and clinical approach to the WS neuropsychological phenotype.
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Affiliation(s)
- Carlos Alberto Serrano-Juárez
- Neuroscience Group. Laboratorio de Neurometría, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios #1, Col. Los Reyes Iztacala, Tlalnepantla, Estado de México, CP 54090, México
| | - Belén Prieto-Corona
- Neuroscience Group. Laboratorio de Neurometría, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios #1, Col. Los Reyes Iztacala, Tlalnepantla, Estado de México, CP 54090, México.
| | - Mario Rodríguez-Camacho
- Neuroscience Group. Laboratorio de Neurometría, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios #1, Col. Los Reyes Iztacala, Tlalnepantla, Estado de México, CP 54090, México
| | - Lucero Sandoval-Lira
- Neuroscience Group. Laboratorio de Neurometría, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios #1, Col. Los Reyes Iztacala, Tlalnepantla, Estado de México, CP 54090, México
| | - Ángel Fernando Villalva-Sánchez
- Neuroscience Group. Laboratorio de Neurometría, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios #1, Col. Los Reyes Iztacala, Tlalnepantla, Estado de México, CP 54090, México
| | - Ma Guillermina Yáñez-Téllez
- Neuroscience Group. Laboratorio de Neurometría, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios #1, Col. Los Reyes Iztacala, Tlalnepantla, Estado de México, CP 54090, México
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Al-Kachak A, Fulton SL, Di Salvo G, Chan JC, Farrelly LA, Lepack AE, Bastle RM, Kong L, Cathomas F, Newman EL, Menard C, Ramakrishnan A, Safovich P, Lyu Y, Covington HE, Shen L, Gleason K, Tamminga CA, Russo SJ, Maze I. Histone H3 serotonylation dynamics in dorsal raphe nucleus contribute to stress- and antidepressant-mediated gene expression and behavior. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.04.539464. [PMID: 37205414 PMCID: PMC10187276 DOI: 10.1101/2023.05.04.539464] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Background Major depressive disorder (MDD), along with related mood disorders, is a debilitating illness that affects millions of individuals worldwide. While chronic stress increases incidence levels of mood disorders, stress-mediated disruptions in brain function that precipitate these illnesses remain elusive. Serotonin-associated antidepressants (ADs) remain the first line of therapy for many with depressive symptoms, yet low remission rates and delays between treatment and symptomatic alleviation have prompted skepticism regarding precise roles for serotonin in the precipitation of mood disorders. Our group recently demonstrated that serotonin epigenetically modifies histone proteins (H3K4me3Q5ser) to regulate transcriptional permissiveness in brain. However, this phenomenon has not yet been explored following stress and/or AD exposures. Methods We employed a combination of genome-wide and biochemical analyses in dorsal raphe nucleus (DRN) of male and female mice exposed to chronic social defeat stress to examine the impact of stress exposures on H3K4me3Q5ser dynamics, as well as associations between the mark and stress-induced gene expression. We additionally assessed stress-induced regulation of H3K4me3Q5ser following AD exposures, and employed viral-mediated gene therapy to reduce H3K4me3Q5ser levels in DRN and examine the impact on stress-associated gene expression and behavior. Results We found that H3K4me3Q5ser plays important roles in stress-mediated transcriptional plasticity. Chronically stressed mice displayed dysregulated H3K4me3Q5ser dynamics in DRN, with both AD- and viral-mediated disruption of these dynamics proving sufficient to rescue stress-mediated gene expression and behavior. Conclusions These findings establish a neurotransmission-independent role for serotonin in stress-/AD-associated transcriptional and behavioral plasticity in DRN.
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Affiliation(s)
- Amni Al-Kachak
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Sasha L. Fulton
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Giuseppina Di Salvo
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Jennifer C Chan
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Lorna A. Farrelly
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Ashley E. Lepack
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Ryan M. Bastle
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Lingchun Kong
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Flurin Cathomas
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Emily L. Newman
- Department of Psychiatry, McLean Hospital and Harvard Medical School, Belmont, MA 02478, USA
| | - Caroline Menard
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Aarthi Ramakrishnan
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Polina Safovich
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Yang Lyu
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Herbert E. Covington
- Department of Psychology, Empire State College, State University of New York, Saratoga Springs, NY 12866
| | - Li Shen
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Kelly Gleason
- Department of Psychiatry, University of Texas Southwestern Medical School, Dallas, TX, 75390, USA
| | - Carol A. Tamminga
- Department of Psychiatry, University of Texas Southwestern Medical School, Dallas, TX, 75390, USA
| | - Scott J. Russo
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Ian Maze
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- Howard Hughes Medical Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
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Fox ME, Wulff AB, Franco D, Choi EY, Calarco CA, Engeln M, Turner MD, Chandra R, Rhodes VM, Thompson SM, Ament SA, Lobo MK. Adaptations in Nucleus Accumbens Neuron Subtypes Mediate Negative Affective Behaviors in Fentanyl Abstinence. Biol Psychiatry 2023; 93:489-501. [PMID: 36435669 PMCID: PMC9931633 DOI: 10.1016/j.biopsych.2022.08.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/25/2022] [Accepted: 08/24/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Opioid discontinuation generates a withdrawal syndrome marked by increased negative affect. Increased symptoms of anxiety and dysphoria during opioid discontinuation are significant barriers to achieving long-term abstinence in opioid-dependent individuals. While adaptations in the nucleus accumbens are implicated in opioid abstinence syndrome, the precise neural mechanisms are poorly understood. Additionally, our current knowledge is limited to changes following natural and semisynthetic opioids, despite recent increases in synthetic opioid use and overdose. METHODS We used a combination of cell subtype-specific viral labeling and electrophysiology in male and female mice to investigate structural and functional plasticity in nucleus accumbens medium spiny neuron (MSN) subtypes after fentanyl abstinence. We characterized molecular adaptations after fentanyl abstinence with subtype-specific RNA sequencing and weighted gene co-expression network analysis. We used viral-mediated gene transfer to manipulate the molecular signature of fentanyl abstinence in D1-MSNs. RESULTS Here, we show that fentanyl abstinence increases anxiety-like behavior, decreases social interaction, and engenders MSN subtype-specific plasticity in both sexes. D1-MSNs, but not D2-MSNs, exhibit dendritic atrophy and an increase in excitatory drive. We identified a cluster of coexpressed dendritic morphology genes downregulated selectively in D1-MSNs that are transcriptionally coregulated by E2F1. E2f1 expression in D1-MSNs protects against loss of dendritic complexity, altered physiology, and negative affect-like behaviors caused by fentanyl abstinence. CONCLUSIONS Our findings indicate that fentanyl abstinence causes unique structural, functional, and molecular changes in nucleus accumbens D1-MSNs that can be targeted to alleviate negative affective symptoms during abstinence.
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Affiliation(s)
- Megan E Fox
- Departments of Anesthesiology and Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania; Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland.
| | - Andreas B Wulff
- Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Daniela Franco
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Eric Y Choi
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Cali A Calarco
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Michel Engeln
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Makeda D Turner
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Ramesh Chandra
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Victoria M Rhodes
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Scott M Thompson
- Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland; Department of Psychiatry, University of Maryland School of Medicine, Baltimore, Maryland
| | - Seth A Ament
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland; Department of Psychiatry, University of Maryland School of Medicine, Baltimore, Maryland
| | - Mary Kay Lobo
- Department of Anatomy & Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland; Department of Psychiatry, University of Maryland School of Medicine, Baltimore, Maryland.
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7
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Torres-Pérez JV, Anagianni S, Mech AM, Havelange W, García-González J, Fraser SE, Vallortigara G, Brennan CH. baz1b loss-of-function in zebrafish produces phenotypic alterations consistent with the domestication syndrome. iScience 2022; 26:105704. [PMID: 36582821 PMCID: PMC9793288 DOI: 10.1016/j.isci.2022.105704] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/15/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
BAZ1B is a ubiquitously expressed nuclear protein with roles in chromatin remodeling, DNA replication and repair, and transcription. Reduced BAZ1B expression disrupts neuronal and neural crest development. Variation in the activity of BAZ1B has been proposed to underly morphological and behavioral aspects of domestication through disruption of neural crest development. Knockdown of baz1b in Xenopus embryos and Baz1b loss-of-function (LoF) in mice leads to craniofacial defects consistent with this hypothesis. We generated baz1b LoF zebrafish using CRISPR/Cas9 gene editing to test the hypothesis that baz1b regulates behavioral phenotypes associated with domestication in addition to craniofacial features. Zebrafish with baz1b LoF show mild underdevelopment at larval stages and distinctive craniofacial features later in life. Mutant zebrafish show reduced anxiety-associated phenotypes and an altered ontogeny of social behaviors. Thus, in zebrafish, developmental deficits in baz1b recapitulate both morphological and behavioral phenotypes associated with the domestication syndrome in other species.
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Affiliation(s)
- Jose V. Torres-Pérez
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
- Departament de Biologia Cel·lular, Biologia Funcional i Antropologia física, Fac. de CC. Biològiques, Universitat de València, C/ Dr. Moliner 50, Burjassot, València 46100, Spain
- Corresponding author
| | - Sofia Anagianni
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
| | - Aleksandra M. Mech
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
| | - William Havelange
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
| | - Judit García-González
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
- Department of Genetics and Genomic Sciences, Icahn School of Medicine, Mount Sinai, New York, NY 10029, USA
| | - Scott E. Fraser
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, USA
| | | | - Caroline H. Brennan
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
- Corresponding author
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8
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Grochowska A, Statkiewicz M, Kulecka M, Cybulska M, Sandowska-Markiewicz Z, Kopczynski M, Drezinska-Wolek E, Tysarowski A, Prochorec-Sobieszek M, Ostrowski J, Mikula M. Evidence supporting the oncogenic role of BAZ1B in colorectal cancer. Am J Cancer Res 2022; 12:4751-4763. [PMID: 36381331 PMCID: PMC9641411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023] Open
Abstract
Bromodomain Adjacent to Zinc Finger Domain 1B (BAZ1B) is involved in multiple nuclear processes, and its role in tumorigenesis is emerging. However, the function of BAZ1B in colorectal cancer (CRC) remains largely unexplored. High-density tissue microarrays comprising 100 pairs of matched normal colon and treatment-naïve CRC samples were analyzed by immunohistochemistry with an anti-BAZ1B antibody. The HCT116 and SW480 CRC cell lines were used for overexpression and small hairpin RNA-mediated BAZ1B knockdown models, respectively. Both cell lines were xenografted to immunodeficient NU/J mice to assess tumor burden. The molecular consequences of alterations of BAZ1B expression were assessed by RNA-Seq of xenografts and functional analyses using the Reactome database. Immunohistochemical analysis of BAZ1B showed that BAZ1B staining intensity was higher in 93 tumor specimens and significantly correlated with tumor size (P = 0.03), but not with the presence of KRAS mutation. BAZ1B overexpression significantly increased and its knockdown inhibited the proliferation of HCT116 and SW480 cell lines, respectively. These findings were reproduced when both cell lines were grown as xenografts. RNA-Seq of HCT116 and SW480 xenografts identified 2046 and 99 differentially expressed genes (DEGs) (adjusted P ≤ 0.05), respectively. Functional annotation of DEGs identified already established as well as new molecular processes dependent on BAZ1B protein expression. In conclusion, BAZ1B is overexpressed in CRC tissue and contributes to CRC cell proliferation in vitro and in vivo. The data support the emerging oncogenic role of BAZ1B in cancerogenesis including in CRC.
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Affiliation(s)
- Aleksandra Grochowska
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre for Postgraduate Medical EducationWarsaw 01-813, Poland
| | - Malgorzata Statkiewicz
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
| | - Maria Kulecka
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre for Postgraduate Medical EducationWarsaw 01-813, Poland
| | - Magdalena Cybulska
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
| | | | - Michal Kopczynski
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
| | - Edyta Drezinska-Wolek
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
| | - Andrzej Tysarowski
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
| | - Monika Prochorec-Sobieszek
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
| | - Jerzy Ostrowski
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre for Postgraduate Medical EducationWarsaw 01-813, Poland
| | - Michal Mikula
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of OncologyWarsaw 02-781, Poland
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9
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SWI/SNF chromatin remodeler complex within the reward pathway is required for behavioral adaptations to stress. Nat Commun 2022; 13:1807. [PMID: 35379786 PMCID: PMC8980038 DOI: 10.1038/s41467-022-29380-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 02/22/2022] [Indexed: 01/01/2023] Open
Abstract
Enduring behavioral changes upon stress exposure involve changes in gene expression sustained by epigenetic modifications in brain circuits, including the mesocorticolimbic pathway. Brahma (BRM) and Brahma Related Gene 1 (BRG1) are ATPase subunits of the SWI/SNF complexes involved in chromatin remodeling, a process essential to enduring plastic changes in gene expression. Here, we show that in mice, social defeat induces changes in BRG1 nuclear distribution. The inactivation of the Brg1/Smarca4 gene within dopamine-innervated regions or the constitutive inactivation of the Brm/Smarca2 gene leads to resilience to repeated social defeat and decreases the behavioral responses to cocaine without impacting midbrain dopamine neurons activity. Within striatal medium spiny neurons, Brg1 gene inactivation reduces the expression of stress- and cocaine-induced immediate early genes, increases levels of heterochromatin and at a global scale decreases chromatin accessibility. Altogether these data demonstrate the pivotal function of SWI/SNF complexes in behavioral and transcriptional adaptations to salient environmental challenges. Repeated exposure to social stressors in rodents results in behavioural changes. Here the authors show that behavioural adaptations to stress are associated with nuclear organization changes through SWI/SNF chromatin remodeler in specific neuronal populations of the mesolimbic system.
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10
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Neuroadaptations and TGF-β signaling: emerging role in models of neuropsychiatric disorders. Mol Psychiatry 2022; 27:296-306. [PMID: 34131268 PMCID: PMC8671568 DOI: 10.1038/s41380-021-01186-y] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 06/01/2021] [Indexed: 02/05/2023]
Abstract
Neuropsychiatric diseases are manifested by maladaptive behavioral plasticity. Despite the greater understanding of the neuroplasticity underlying behavioral adaptations, pinpointing precise cellular mediators has remained elusive. This has stymied the development of pharmacological interventions to combat these disorders both at the level of progression and relapse. With increased knowledge on the putative role of the transforming growth factor (TGF- β) family of proteins in mediating diverse neuroadaptations, the influence of TGF-β signaling in regulating maladaptive cellular and behavioral plasticity underlying neuropsychiatric disorders is being increasingly elucidated. The current review is focused on what is currently known about the TGF-β signaling in the central nervous system in mediating cellular and behavioral plasticity related to neuropsychiatric manifestations.
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11
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Duclot F, Kabbaj M. Epigenetics of Aggression. Curr Top Behav Neurosci 2021; 54:283-310. [PMID: 34595741 DOI: 10.1007/7854_2021_252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Aggression is a complex behavioral trait modulated by both genetic and environmental influences on gene expression. By controlling gene expression in a reversible yet potentially lasting manner in response to environmental stimulation, epigenetic mechanisms represent prime candidates in explaining both individual differences in aggression and the development of elevated aggressive behaviors following life adversity. In this manuscript, we review the evidence for an epigenetic basis in the development and expression of aggression in both humans and related preclinical animal models. In particular, we discuss reports linking DNA methylation, histone post-translational modifications, as well as non-coding RNA, to the regulation of a variety of genes implicated in the neurobiology of aggression including neuropeptides, the serotoninergic and dopaminergic systems, and stress response related systems. While clinical reports do reveal interesting patterns of DNA methylation underlying individual differences and experience-induced aggressive behaviors, they do, in general, face the challenge of linking peripheral observations to central nervous system regulations. Preclinical studies, on the other hand, provide detailed mechanistic insights into the epigenetic reprogramming of gene expression following life adversities. Although the functional link to aggression remains unclear in most, these studies together do highlight the involvement of epigenetic events driven by DNA methylation, histone modifications, and non-coding RNA in the neuroadaptations underlying the development and expression of aggression.
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Affiliation(s)
- Florian Duclot
- Department of Biomedical Sciences and Program in Neuroscience, Florida State University, Tallahassee, FL, USA.
| | - Mohamed Kabbaj
- Department of Biomedical Sciences and Program in Neuroscience, Florida State University, Tallahassee, FL, USA.
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12
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Pedersen AF, Meyer DN, Petriv AMV, Soto AL, Shields JN, Akemann C, Baker BB, Tsou WL, Zhang Y, Baker TR. Nanoplastics impact the zebrafish (Danio rerio) transcriptome: Associated developmental and neurobehavioral consequences. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115090. [PMID: 32693326 PMCID: PMC7492438 DOI: 10.1016/j.envpol.2020.115090] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 06/05/2020] [Accepted: 06/22/2020] [Indexed: 05/20/2023]
Abstract
Microplastics (MPs) are a ubiquitous pollutant detected not only in marine and freshwater bodies, but also in tap and bottled water worldwide. While MPs have been extensively studied, the toxicity of their smaller counterpart, nanoplastics (NPs), is not well documented. Despite likely large-scale human and animal exposure to NPs, the associated health risks remain unclear, especially during early developmental stages. To address this, we investigated the health impacts of exposures to both 50 and 200 nm polystyrene NPs in larval zebrafish. From 6 to 120 h post-fertilization (hpf), developing zebrafish were exposed to a range of fluorescent NPs (10-10,000 parts per billion). Dose-dependent increases in accumulation were identified in exposed larval fish, potentially coinciding with an altered behavioral response as evidenced through swimming hyperactivity. Notably, exposures did not impact mortality, hatching rate, or deformities; however, transcriptomic analysis suggests neurodegeneration and motor dysfunction at both high and low concentrations. Furthermore, results of this study suggest that NPs can accumulate in the tissues of larval zebrafish, alter their transcriptome, and affect behavior and physiology, potentially decreasing organismal fitness in contaminated ecosystems. The uniquely broad scale of this study during a critical window of development provides crucial multidimensional characterization of NP impacts on human and animal health.
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Affiliation(s)
- Adam F Pedersen
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Danielle N Meyer
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA; Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA
| | - Anna-Maria V Petriv
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Abraham L Soto
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Jeremiah N Shields
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Camille Akemann
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA; Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA
| | - Bridget B Baker
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Wei-Ling Tsou
- Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA
| | - Yongli Zhang
- College of Engineering, Wayne State University, 5050 Anthony Wayne Dr, Detroit, MI, 28201, USA
| | - Tracie R Baker
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA; Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA.
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13
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Resilience to Stress and Resilience to Pain: Lessons from Molecular Neurobiology and Genetics. Trends Mol Med 2020; 26:924-935. [PMID: 32976800 DOI: 10.1016/j.molmed.2020.03.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/18/2020] [Accepted: 03/25/2020] [Indexed: 12/12/2022]
Abstract
What biological factors account for resilience to pain or to behavioral stress? Here, we discuss examples of cellular and molecular mechanisms within disparate parts of the nervous system as contributors to such resilience. In some especially well-studied humans, it is possible to identify particular neuronal cell types in the peripheral nervous system (PNS) and pinpoint specific genes that are major contributors to pain resilience. We also discuss more complex factors that operate within the central nervous system (CNS) to confer resilience to behavioral stress. We propose that genetic and neurobiological substrates for resilience are discoverable and suggest more generally that neurology and psychiatry hold lessons for each other as investigators search for actionable, biological underpinnings of disease.
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14
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Calpe-López C, García-Pardo MP, Martínez-Caballero MA, Santos-Ortíz A, Aguilar MA. Behavioral Traits Associated With Resilience to the Effects of Repeated Social Defeat on Cocaine-Induced Conditioned Place Preference in Mice. Front Behav Neurosci 2020; 13:278. [PMID: 31998090 PMCID: PMC6962131 DOI: 10.3389/fnbeh.2019.00278] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 12/06/2019] [Indexed: 12/25/2022] Open
Abstract
The relationship between stress and drug use is well demonstrated. Stress-induced by repeated social defeat (RSD) enhances the conditioned place preference (CPP) induced by cocaine in mice. The phenomenon of resilience understood as the ability of subjects to overcome the negative effects of stress is the focus of increasing interest. Our aim is to characterize the behavior of resilient animals with respect to the effects of RSD on the CPP induced by cocaine. To this end, 25 male C57BL/6 mice were exposed to stress by RSD during late adolescence, while other 15 male mice did not undergo stress (controls). On the 2 days following the last defeat, all the animals carried out the elevated plus maze (EPM) and Hole Board, Social Interaction, Tail Suspension and Splash tests. Three weeks later, all the animals performed the CPP paradigm with a low dose of cocaine (1 mg/kg). Exposure to RSD decreased all measurements related to the open arms of the EPM. It also reduced social interaction, immobility in the tail suspension test (TST) and grooming in the splash test. RSD exposure also increased the sensitivity of the mice to the rewarding effects of cocaine, since only defeated animals acquired CPP. Several behavioral traits were related to resilience to the potentiating effect of RSD on cocaine CPP. Mice that showed less submission during defeat episodes, a lower percentage of time in the open arms of the EPM, low novelty-seeking, high social interaction, greater immobility in the TST and a higher frequency of grooming were those that were resilient to the long-term effects of social defeat on cocaine reward since they behaved like controls and did not develop CPP. These results suggest that the behavioral profile of resilient defeated mice is characterized by an active coping response during episodes of defeat, a greater concern for potential dangers, less reactivity in a situation of inevitable moderate stress and fewer depressive-like symptoms after stress. Determining the neurobehavioral substrates of resilience is the first step towards developing behavioral or pharmacological interventions that increase resilience in individuals at a high risk of suffering from stress.
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Affiliation(s)
- Claudia Calpe-López
- Neurobehavioural Mechanisms and Endophenotypes of Addictive Behavior Research Unit, Department of Psychobiology, University of Valencia, Valencia, Spain
| | - Maria Pilar García-Pardo
- Department of Psychology and Sociology, Faculty of Social Sciences, University of Zaragoza, Teruel, Spain
| | - Maria Angeles Martínez-Caballero
- Neurobehavioural Mechanisms and Endophenotypes of Addictive Behavior Research Unit, Department of Psychobiology, University of Valencia, Valencia, Spain
| | - Alejandra Santos-Ortíz
- Neurobehavioural Mechanisms and Endophenotypes of Addictive Behavior Research Unit, Department of Psychobiology, University of Valencia, Valencia, Spain
| | - Maria Asunción Aguilar
- Neurobehavioural Mechanisms and Endophenotypes of Addictive Behavior Research Unit, Department of Psychobiology, University of Valencia, Valencia, Spain
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15
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Werner CT, Mitra S, Martin JA, Stewart AF, Lepack AE, Ramakrishnan A, Gobira PH, Wang ZJ, Neve RL, Gancarz AM, Shen L, Maze I, Dietz DM. Ubiquitin-proteasomal regulation of chromatin remodeler INO80 in the nucleus accumbens mediates persistent cocaine craving. SCIENCE ADVANCES 2019; 5:eaay0351. [PMID: 31633032 PMCID: PMC6785264 DOI: 10.1126/sciadv.aay0351] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 09/14/2019] [Indexed: 05/07/2023]
Abstract
Neuroadaptations in the nucleus accumbens (NAc) underlie cue-induced cocaine craving that intensifies ("incubates") during abstinence and is believed to contribute to persistent relapse vulnerability. Changes in gene expression often govern perpetual behavioral abnormalities, but epigenetic plasticity during prolonged abstinence from drug exposure is poorly understood. We examined how E3 ubiquitin ligase TRIM3 dysregulates chromatin remodeler INO80 to mediate cocaine craving during prolonged abstinence. We found that INO80 expression increased in the NAc on abstinence day 30 (AD30) but not on AD1 following cocaine self-administration. Furthermore, TRIM3, which mediates degradation of INO80, was reduced on AD30, along with TRIM3-INO80 interaction. Viral-mediated gene transfer of INO80 or TRIM3 governed cocaine craving during prolonged abstinence. Lastly, chromatin immunoprecipitation followed by massively parallel DNA sequencing identified INO80-mediated transcriptional regulation of predicted pathways associated with cocaine plasticity. Together, these results demonstrate a novel ubiquitin-proteasomal-epigenetic mechanism by which TRIM3-INO80 mediates cocaine craving during prolonged abstinence.
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Affiliation(s)
- C. T. Werner
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - S. Mitra
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - J. A. Martin
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - A. F. Stewart
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - A. E. Lepack
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - A. Ramakrishnan
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - P. H. Gobira
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Z.-J. Wang
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - R. L. Neve
- Gene Delivery Technology Core, Massachusetts General Hospital, Cambridge, MA, USA
| | - A. M. Gancarz
- Department of Psychology, California State University, Bakersfield, Bakersfield, CA, USA
| | - L. Shen
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - I. Maze
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - D. M. Dietz
- Department of Pharmacology and Toxicology, Program in Neuroscience, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
- Department of Psychology, The State University of New York at Buffalo, Buffalo, NY, USA
- Corresponding author.
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16
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Martin JA, Werner CT, Mitra S, Zhong P, Wang ZJ, Gobira PH, Stewart AF, Zhang J, Erias K, Siemian JN, Hagarty D, Mueller LE, Neve RL, Li JX, Chandra R, Dietz KC, Lobo MK, Gancarz AM, Yan Z, Dietz DM. A novel role for the actin-binding protein drebrin in regulating opiate addiction. Nat Commun 2019; 10:4140. [PMID: 31515501 PMCID: PMC6742638 DOI: 10.1038/s41467-019-12122-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 08/22/2019] [Indexed: 12/14/2022] Open
Abstract
Persistent transcriptional and morphological events in the nucleus accumbens (NAc) and other brain reward regions contribute to the long-lasting behavioral adaptations that characterize drug addiction. Opiate exposure reduces the density of dendritic spines on medium spiny neurons of the NAc; however, the underlying transcriptional and cellular events mediating this remain unknown. We show that heroin self-administration negatively regulates the actin-binding protein drebrin in the NAc. Using virus-mediated gene transfer, we show that drebrin overexpression in the NAc is sufficient to decrease drug seeking and increase dendritic spine density, whereas drebrin knockdown potentiates these effects. We demonstrate that drebrin is transcriptionally repressed by the histone modifier HDAC2, which is relieved by pharmacological inhibition of histone deacetylases. Importantly, we demonstrate that heroin-induced adaptations occur only in the D1+ subset of medium spiny neurons. These findings establish an essential role for drebrin, and upstream transcriptional regulator HDAC2, in opiate-induced plasticity in the NAc. The underlying transcriptional and cellular events mediating the reduction of dendritic spines on medium spiny neurons of the nucleus accumbens (NAc) remains unknown. Here, authors demonstrate that heroin self-administration negatively regulates the actin-binding protein drebrin in the NAc, which is shown to be transcriptionally repressed by the histone modifier HDAC2, and that overexpression of drebrin is sufficient to decrease drug seeking and increase dendritic spine density
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Affiliation(s)
- Jennifer A Martin
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Craig T Werner
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Swarup Mitra
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Ping Zhong
- Department of Physiology and Biophysics, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Zi-Jun Wang
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Pedro H Gobira
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA.,Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Andrew F Stewart
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Jay Zhang
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Kyra Erias
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Justin N Siemian
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Devin Hagarty
- Department of Psychology, California State University Bakersfield, Bakersfield, CA, 93311, USA
| | - Lauren E Mueller
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Rachael L Neve
- Gene Delivery Technology Core, Massachusetts General Hospital, Cambridge, MA, 02139, USA
| | - Jun-Xu Li
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Ramesh Chandra
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Karen C Dietz
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Mary Kay Lobo
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Amy M Gancarz
- Department of Psychology, California State University Bakersfield, Bakersfield, CA, 93311, USA
| | - Zhen Yan
- Department of Physiology and Biophysics, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - David M Dietz
- Department of Pharmacology and Toxicology, Program in Neuroscience, Research Institute on Addictions, The State University of New York at Buffalo, Buffalo, NY, 14214, USA. .,Department of Psychology, The State University of New York at Buffalo, Buffalo, NY, 14214, USA.
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17
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Chitaman JM, Fraser P, Feng J. Three-dimensional chromosome architecture and drug addiction. Curr Opin Neurobiol 2019; 59:137-145. [PMID: 31276935 DOI: 10.1016/j.conb.2019.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 05/04/2019] [Accepted: 05/28/2019] [Indexed: 10/26/2022]
Abstract
Aberrant gene expression underlies drug addiction. Therefore, studying the regulation of gene expression in drug addiction may provide mechanistic insights into this disease, for which there are still only limited treatments. Recently, the three-dimensional (3D) organization of linear DNA in the nucleus has been recognized as having a major influence on gene transcription. Here, we review its roles in both basic brain function and neuropsychiatric disorders, while also highlighting its emerging implications in drug addiction. Unraveling the 3D architecture of chromosomes in drug addiction is adding to our understanding of this disease and has the potential to trigger novel approaches for better diagnosis and therapy.
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Affiliation(s)
- Javed M Chitaman
- Department of Biological Science, Florida State University, 319 Stadium Drive, Tallahassee, FL 32306, USA; Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA
| | - Peter Fraser
- Department of Biological Science, Florida State University, 319 Stadium Drive, Tallahassee, FL 32306, USA
| | - Jian Feng
- Department of Biological Science, Florida State University, 319 Stadium Drive, Tallahassee, FL 32306, USA; Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA.
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18
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Chandra R, Engeln M, Schiefer C, Patton MH, Martin JA, Werner CT, Riggs LM, Francis TC, McGlincy M, Evans B, Nam H, Das S, Girven K, Konkalmatt P, Gancarz AM, Golden SA, Iñiguez SD, Russo SJ, Turecki G, Mathur BN, Creed M, Dietz DM, Lobo MK. Drp1 Mitochondrial Fission in D1 Neurons Mediates Behavioral and Cellular Plasticity during Early Cocaine Abstinence. Neuron 2019; 96:1327-1341.e6. [PMID: 29268097 DOI: 10.1016/j.neuron.2017.11.037] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 09/12/2017] [Accepted: 11/17/2017] [Indexed: 02/07/2023]
Abstract
Altered brain energy homeostasis is a key adaptation occurring in the cocaine-addicted brain, but the effect of cocaine on the fundamental source of energy, mitochondria, is unknown. We demonstrate an increase of dynamin-related protein-1 (Drp1), the mitochondrial fission mediator, in nucleus accumbens (NAc) after repeated cocaine exposure and in cocaine-dependent individuals. Mdivi-1, a demonstrated fission inhibitor, blunts cocaine seeking and locomotor sensitization, while blocking c-Fos induction and excitatory input onto dopamine receptor-1 (D1) containing NAc medium spiny neurons (MSNs). Drp1 and fission promoting Drp1 are increased in D1-MSNs, consistent with increased smaller mitochondria in D1-MSN dendrites after repeated cocaine. Knockdown of Drp1 in D1-MSNs blocks drug seeking after cocaine self-administration, while enhancing the fission promoting Drp1 enhances seeking after long-term abstinence from cocaine. We demonstrate a role for altered mitochondrial fission in the NAc, during early cocaine abstinence, suggesting potential therapeutic treatment of disrupting mitochondrial fission in cocaine addiction.
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Affiliation(s)
- Ramesh Chandra
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Michel Engeln
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Christopher Schiefer
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Mary H Patton
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Jennifer A Martin
- Department of Pharmacology and Toxicology, The Research Institution on Addictions, State University of New York at Buffalo, Buffalo, NY, USA
| | - Craig T Werner
- Department of Pharmacology and Toxicology, The Research Institution on Addictions, State University of New York at Buffalo, Buffalo, NY, USA
| | - Lace M Riggs
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - T Chase Francis
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Madeleine McGlincy
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Brianna Evans
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Hyungwoo Nam
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Shweta Das
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Kasey Girven
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Prasad Konkalmatt
- Division of Renal Diseases and Hypertension, The George Washington University, Washington, D.C., USA
| | - Amy M Gancarz
- Department of Pharmacology and Toxicology, The Research Institution on Addictions, State University of New York at Buffalo, Buffalo, NY, USA
| | - Sam A Golden
- Fishberg Department of Neuroscience and Friedman Brain Institute, Graduate School of Biomedical Sciences at the Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sergio D Iñiguez
- Department of Psychology, University of Texas at El Paso, El Paso, TX, USA
| | - Scott J Russo
- Fishberg Department of Neuroscience and Friedman Brain Institute, Graduate School of Biomedical Sciences at the Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Gustavo Turecki
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montréal, QC, Canada
| | - Brian N Mathur
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Meaghan Creed
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - David M Dietz
- Department of Pharmacology and Toxicology, The Research Institution on Addictions, State University of New York at Buffalo, Buffalo, NY, USA
| | - Mary Kay Lobo
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA.
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19
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Hamilton PJ, Nestler EJ. Epigenetics and addiction. Curr Opin Neurobiol 2019; 59:128-136. [PMID: 31255844 PMCID: PMC6889055 DOI: 10.1016/j.conb.2019.05.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 05/02/2019] [Accepted: 05/28/2019] [Indexed: 01/04/2023]
Abstract
As an individual becomes addicted to a drug of abuse, nerve cells within the brain's reward circuitry adapt at the epigenetic level during the course of repeated drug exposure. These drug-induced epigenetic adaptations mediate enduring changes in brain function which contribute to life-long, drug-related behavioral abnormalities that define addiction. Targeting these epigenetic alterations will enhance our understanding of the biological basis of addiction and might even yield more effective anti-addiction therapies. However, the complexity of the neuroepigenetic landscape makes it difficult to determine which drug-induced epigenetic changes causally contribute to the pathogenic mechanisms of drug addiction. In this review, we highlight the evidence that epigenetic modifications, specifically histone modifications, within key brain reward regions are correlated with addiction. We then discuss the emerging field of locus-specific neuroepigenetic editing, which is a promising method for determining the causal epigenetic molecular mechanisms that drive an addicted state. Such approaches will substantially increase the field's ability to establish the precise epigenetic mechanisms underlying drug addiction, and could lead to novel treatments for addictive disorders.
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Affiliation(s)
- Peter J Hamilton
- Nash Family Department of Neuroscience, The Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, United States
| | - Eric J Nestler
- Nash Family Department of Neuroscience, The Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, United States.
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20
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Bludau A, Royer M, Meister G, Neumann ID, Menon R. Epigenetic Regulation of the Social Brain. Trends Neurosci 2019; 42:471-484. [PMID: 31103351 DOI: 10.1016/j.tins.2019.04.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 04/10/2019] [Accepted: 04/12/2019] [Indexed: 12/17/2022]
Abstract
Social behavior, a highly adaptive and crucial component of mammalian life, is regulated by particularly sensitive regulatory brain mechanisms. Substantial evidence implicates classical epigenetic mechanisms including histone modifications, DNA methylation, and nucleosome remodeling as well as nonclassical mechanisms mediated by noncoding RNA in the regulation of social behavior. These mechanisms collectively form the 'epigenetic network' that orchestrates genomic integration of salient and transient social experiences. Consequently, its dysregulation has been linked to behavioral deficits and psychopathologies. This review focuses on the role of the epigenetic network in regulating the enduring effects of social experiences during early-life, adolescence, and adulthood. We discuss research in animal models, primarily rodents, and associations between dysregulation of epigenetic mechanisms and human psychopathologies, specifically autism spectrum disorder (ASD) and schizophrenia.
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Affiliation(s)
- Anna Bludau
- Department of Behavioral and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Regensburg, Germany
| | - Melanie Royer
- Department of Behavioral and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Regensburg, Germany; Biochemistry Center Regensburg (BZR), Laboratory of RNA Biology, University of Regensburg, Regensburg, Germany
| | - Gunter Meister
- Biochemistry Center Regensburg (BZR), Laboratory of RNA Biology, University of Regensburg, Regensburg, Germany
| | - Inga D Neumann
- Department of Behavioral and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Regensburg, Germany
| | - Rohit Menon
- Department of Behavioral and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Regensburg, Germany.
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21
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Niego A, Benítez-Burraco A. Williams Syndrome, Human Self-Domestication, and Language Evolution. Front Psychol 2019; 10:521. [PMID: 30936846 PMCID: PMC6431629 DOI: 10.3389/fpsyg.2019.00521] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 02/22/2019] [Indexed: 01/06/2023] Open
Abstract
Language evolution resulted from changes in our biology, behavior, and culture. One source of these changes might be human self-domestication. Williams syndrome (WS) is a clinical condition with a clearly defined genetic basis which results in a distinctive behavioral and cognitive profile, including enhanced sociability. In this paper we show evidence that the WS phenotype can be satisfactorily construed as a hyper-domesticated human phenotype, plausibly resulting from the effect of the WS hemideletion on selected candidates for domestication and neural crest (NC) function. Specifically, we show that genes involved in animal domestication and NC development and function are significantly dysregulated in the blood of subjects with WS. We also discuss the consequences of this link between domestication and WS for our current understanding of language evolution.
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Affiliation(s)
- Amy Niego
- Ph.D. Program, Faculty of Humanities, University of Huelva, Huelva, Spain
| | - Antonio Benítez-Burraco
- Department of Spanish, Linguistics, and Theory of Literature, Faculty of Philology, University of Seville, Seville, Spain
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22
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Shimamoto A. Social Defeat Stress, Sex, and Addiction-Like Behaviors. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2018; 140:271-313. [PMID: 30193707 DOI: 10.1016/bs.irn.2018.07.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Social confrontation is a form of social interaction in animals where two conspecific individuals confront each other in dispute over territory, during the formation of hierarchies, and during breeding seasons. Typically, a social confrontation involves a prevailing individual and a yielding individual. The prevailing individual often exhibits aggressive postures and launches attacks, whereas the yielding individual often adopts postures of defeat. The yielding or defeated animals experience a phenomenon known as social defeat stress, in which they show exaggerated stress as well as autonomic and endocrine responses that cause impairment of both the brain and body. In laboratory settings, one can reliably generate social defeat stress by allowing a naïve (or already defeated) animal to intrude into a home cage in which its resident has already established a territory or is nursing. This resident-intruder paradigm has been widely used in both males and females to study mechanisms in the brain that underlie the stress responses. Stress has profound effects on drug reward for cocaine, methamphetamine, alcohol, and opioids. Particularly, previous experiences with social defeat can exaggerate subsequent addiction-like behaviors. The extent of these addiction-like behaviors depends on the intensity, duration, frequency, and intermittency of the confrontation episodes. This chapter describes four types of social defeat stress: acute, repeated, intermittent, and chronic. Specifically, it focuses on social defeat stress models used in laboratories to study individual, sex, and animal strain differences in addiction-like behaviors.
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Affiliation(s)
- Akiko Shimamoto
- Department of Biochemistry, Cancer Biology, Neuroscience, and Pharmacology, Meharry Medical College, Nashville, TN, United States.
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23
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A Novel Role for Oligodendrocyte Precursor Cells (OPCs) and Sox10 in Mediating Cellular and Behavioral Responses to Heroin. Neuropsychopharmacology 2018; 43:1385-1394. [PMID: 29260792 PMCID: PMC5916371 DOI: 10.1038/npp.2017.303] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 11/28/2017] [Accepted: 12/11/2017] [Indexed: 12/23/2022]
Abstract
Opiate abuse and addiction have become a worldwide epidemic with great societal and financial burdens, highlighting a critical need to understand the neurobiology of opiate addiction. Although several studies have focused on drug-dependent changes in neurons, the role of glia in opiate addiction remains largely unstudied. RNA sequencing pathway analysis from the prefrontal cortex (PFC) of male rats revealed changes in several genes associated with oligodendrocyte differentiation and maturation following heroin self-administration. Among these genes changed was Sox10, which is regulated, in part, by the chromatin remodeler BRG1/SMARCA4. To directly test the functional role of Sox10 in mediating heroin-induced behavioral plasticity, we selectively overexpressed Sox10 and BRG1 in the PFC. Overexpression of either Sox10 or BRG1 decreased the motivation to obtain heroin infusions in a progressive ratio test without altering the acquisition or maintenance of heroin self-administration. These data demonstrate a critical, and perhaps compensatory, role of Sox10 and BRG1 in oligodendrocytes in regulating the motivation for heroin.
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24
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Nelson BS, Sequeira MK, Schank JR. Bidirectional relationship between alcohol intake and sensitivity to social defeat: association with Tacr1 and Avp expression. Addict Biol 2018; 23:142-153. [PMID: 28150369 DOI: 10.1111/adb.12494] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/01/2017] [Accepted: 01/04/2017] [Indexed: 01/17/2023]
Abstract
While epidemiological studies show that alcohol abuse is often co-morbid with affective disorders, the causal direction of this association is unclear. We examined this relationship using mouse models including social defeat stress (SDS), social interaction (SI) and voluntary alcohol consumption. C57BL6/J mice exposed to SDS segregate into two subpopulations, those that express depressive-like phenotypes ('susceptible') and those that do not ('resilient'). First, we stratified SDS-exposed mice and measured their voluntary alcohol consumption. Next, we determined whether SI behavior in alcohol-naïve mice could predict alcohol intake. Finally, we assessed the effect of binge-like alcohol exposure on sensitivity to SDS. We quantified Tacr1 (neurokinin-1 receptor gene) and Avp (vasopressin peptide gene) mRNA in brain regions involved in depression, addiction and social behavior. We found that susceptible mice consumed more alcohol compared with resilient mice, suggesting that depression-like phenotypes associate with increased alcohol intake. Interestingly, we observed a negative correlation between SI and alcohol intake in stress- and alcohol-naïve mice, suggesting that individual differences in SI associate with alcohol preference. Finally, alcohol pre-treatment increased sensitivity to SDS, indicating that alcohol exposure alters sensitivity to social stress. Quantification of mRNA revealed that increased expression of Tacr1 and Avp generally associated with decreased SI and increased alcohol intake. C57BL6/J mice are an inbred strain; thus, it is likely that individual differences in behavior and gene expression are driven by epigenetic factors. Collectively, these results support a bidirectional relationship between alcohol exposure and susceptibility to stress that is associated with variations in neuropeptide expression.
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Affiliation(s)
- Britta S. Nelson
- Department of Physiology and Pharmacology, College of Veterinary Medicine; University of Georgia; GA USA
| | - Michelle K. Sequeira
- Department of Physiology and Pharmacology, College of Veterinary Medicine; University of Georgia; GA USA
| | - Jesse R. Schank
- Department of Physiology and Pharmacology, College of Veterinary Medicine; University of Georgia; GA USA
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25
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Goodwin LR, Picketts DJ. The role of ISWI chromatin remodeling complexes in brain development and neurodevelopmental disorders. Mol Cell Neurosci 2017; 87:55-64. [PMID: 29249292 DOI: 10.1016/j.mcn.2017.10.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 10/04/2017] [Accepted: 10/26/2017] [Indexed: 10/18/2022] Open
Abstract
The mammalian ISWI (Imitation Switch) genes SMARCA1 and SMARCA5 encode the ATP-dependent chromatin remodeling proteins SNF2L and SNF2H. The ISWI proteins interact with BAZ (bromodomain adjacent to PHD zinc finger) domain containing proteins to generate eight distinct remodeling complexes. ISWI complex-mediated nucleosome positioning within genes and gene regulatory elements is proving important for the transition from a committed progenitor state to a differentiated cell state. Genetic studies have implicated the involvement of many ATP-dependent chromatin remodeling proteins in neurodevelopmental disorders (NDDs), including SMARCA1. Here we review the characterization of mice inactivated for ISWI and their interacting proteins, as it pertains to brain development and disease. A better understanding of chromatin dynamics during neural development is a prerequisite to understanding disease pathologies and the development of therapeutics for these complex disorders.
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Affiliation(s)
- Laura R Goodwin
- Regenerative Medicine Program, Ottawa Hospital Research Institute, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada; Department of Biochemistry, Microbiology & Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H 8M5, Canada
| | - David J Picketts
- Regenerative Medicine Program, Ottawa Hospital Research Institute, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada; Department of Biochemistry, Microbiology & Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H 8M5, Canada; Department of Cellular and Molecular Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H 8M5, Canada; Department of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H 8M5, Canada.
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26
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Kabir ZD, Martínez-Rivera A, Rajadhyaksha AM. From Gene to Behavior: L-Type Calcium Channel Mechanisms Underlying Neuropsychiatric Symptoms. Neurotherapeutics 2017; 14:588-613. [PMID: 28497380 PMCID: PMC5509628 DOI: 10.1007/s13311-017-0532-0] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The L-type calcium channels (LTCCs) Cav1.2 and Cav1.3, encoded by the CACNA1C and CACNA1D genes, respectively, are important regulators of calcium influx into cells and are critical for normal brain development and plasticity. In humans, CACNA1C has emerged as one of the most widely reproduced and prominent candidate risk genes for a range of neuropsychiatric disorders, including bipolar disorder (BD), schizophrenia (SCZ), major depressive disorder, autism spectrum disorder, and attention deficit hyperactivity disorder. Separately, CACNA1D has been found to be associated with BD and autism spectrum disorder, as well as cocaine dependence, a comorbid feature associated with psychiatric disorders. Despite growing evidence of a significant link between CACNA1C and CACNA1D and psychiatric disorders, our understanding of the biological mechanisms by which these LTCCs mediate neuropsychiatric-associated endophenotypes, many of which are shared across the different disorders, remains rudimentary. Clinical studies with LTCC blockers testing their efficacy to alleviate symptoms associated with BD, SCZ, and drug dependence have provided mixed results, underscoring the importance of further exploring the neurobiological consequences of dysregulated Cav1.2 and Cav1.3. Here, we provide a review of clinical studies that have evaluated LTCC blockers for BD, SCZ, and drug dependence-associated symptoms, as well as rodent studies that have identified Cav1.2- and Cav1.3-specific molecular and cellular cascades that underlie mood (anxiety, depression), social behavior, cognition, and addiction.
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Affiliation(s)
- Zeeba D Kabir
- Pediatric Neurology, Pediatrics, Weill Cornell Medicine, New York, NY, USA
- Weill Cornell Autism Research Program, Weill Cornell Medicine, New York, NY, USA
| | - Arlene Martínez-Rivera
- Pediatric Neurology, Pediatrics, Weill Cornell Medicine, New York, NY, USA
- Weill Cornell Autism Research Program, Weill Cornell Medicine, New York, NY, USA
| | - Anjali M Rajadhyaksha
- Pediatric Neurology, Pediatrics, Weill Cornell Medicine, New York, NY, USA.
- Weill Cornell Autism Research Program, Weill Cornell Medicine, New York, NY, USA.
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA.
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27
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Sun H, Damez-Werno DM, Scobie KN, Shao NY, Dias C, Rabkin J, Wright KN, Mouzon E, Kabbaj M, Neve R, Turecki G, Shen L, Nestler EJ. Regulation of BAZ1A and nucleosome positioning in the nucleus accumbens in response to cocaine. Neuroscience 2017; 353:1-6. [PMID: 28412501 DOI: 10.1016/j.neuroscience.2017.04.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/05/2017] [Accepted: 04/05/2017] [Indexed: 12/18/2022]
Abstract
Chromatin regulation, in particular ATP-dependent chromatin remodelers, have previously been shown to be important in the regulation of reward-related behaviors in animal models of mental illnesses. Here we demonstrate that BAZ1A, an accessory subunit of the ISWI family of chromatin remodeling complexes, is downregulated in the nucleus accumbens (NAc) of mice exposed repeatedly to cocaine and of cocaine-addicted humans. Viral-mediated overexpression of BAZ1A in mouse NAc reduces cocaine reward as assessed by conditioned place preference (CPP), but increases cocaine-induced locomotor activation. Furthermore, we investigate nucleosome repositioning genome-wide by conducting chromatin immunoprecipitation (ChIP)-sequencing for total H3 in NAc of control mice and after repeated cocaine administration, and find extensive nucleosome occupancy and shift changes across the genome in response to cocaine exposure. These findings implicate BAZ1A in molecular and behavioral plasticity to cocaine and offer new insight into the pathophysiology of cocaine addiction.
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Affiliation(s)
- HaoSheng Sun
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Diane M Damez-Werno
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Kimberly N Scobie
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ning-Yi Shao
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Caroline Dias
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Jacqui Rabkin
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Katherine N Wright
- Department of Biomedical Sciences, Florida State University, Tallahassee, FL 32306, USA
| | - Ezekiell Mouzon
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Mohamed Kabbaj
- Department of Biomedical Sciences, Florida State University, Tallahassee, FL 32306, USA
| | - Rachael Neve
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | | | - Li Shen
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Eric J Nestler
- Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
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28
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Wang ZJ, Martin JA, Gancarz AM, Adank DN, Sim FJ, Dietz DM. Activin A is increased in the nucleus accumbens following a cocaine binge. Sci Rep 2017; 7:43658. [PMID: 28272550 PMCID: PMC5341561 DOI: 10.1038/srep43658] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 01/26/2017] [Indexed: 11/24/2022] Open
Abstract
Drug addiction is a long-lasting disease characterized by compulsive drug intake mediated in part by neuronal and biological adaptations in key brain areas, such as the nucleus accumbens (NAc). While we previously demonstrated involvement of the activin 2a receptor in drug taking, the role of its ligand, activin A, in cocaine relapse is unknown. Activin A levels in the NAc were assessed via ELISA and immunohistochemistry (in neurons, astrocytes, and microglia) following a cocaine binge paradigm. Cocaine exposure significantly increased the levels of activin A in the NAc of animals that had self-administered cocaine prior to the 14-day withdrawal compared with levels in saline controls. This was accompanied by an increase in the proportion of IBA1+ microglia in the NAc that were immunopositive for activin A. In contrast, the proportions of NeuN+ neurons and GFAP+ astrocytes that were immunopositive for activin A remained unaltered. In conclusion, these data suggest that increased secretion of activin A, particularly from microglia, in the NAc represents a novel potential target for the treatment of cocaine relapse.
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Affiliation(s)
- Zi-Jun Wang
- Department of Pharmacology and Toxicology, Research Institute on Addictions, Program in Neuroscience, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY, USA
| | - Jennifer A. Martin
- Department of Pharmacology and Toxicology, Research Institute on Addictions, Program in Neuroscience, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY, USA
| | - Amy M. Gancarz
- Department of Pharmacology and Toxicology, Research Institute on Addictions, Program in Neuroscience, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Psychology, California State University Bakersfield, Bakersfield, CA, USA
| | - Danielle N. Adank
- Department of Pharmacology and Toxicology, Research Institute on Addictions, Program in Neuroscience, State University of New York at Buffalo, Buffalo, NY, USA
| | - Fraser J. Sim
- Department of Pharmacology and Toxicology, Research Institute on Addictions, Program in Neuroscience, State University of New York at Buffalo, Buffalo, NY, USA
| | - David M. Dietz
- Department of Pharmacology and Toxicology, Research Institute on Addictions, Program in Neuroscience, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY, USA
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29
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Smith AC. Chromatin Remodeling in Addiction: BRG1-SMAD3 Interaction Contributes to Cued Reinstatement of Cocaine Seeking. Biol Psychiatry 2016; 80:e77-e78. [PMID: 27697157 PMCID: PMC5453666 DOI: 10.1016/j.biopsych.2016.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 09/06/2016] [Accepted: 09/06/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Alexander C.W. Smith
- Department of Neuroscience, Icahn School of Medicine at Mount
Sinai, New York, New York
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30
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Wang ZJ, Martin JA, Mueller LE, Caccamise A, Werner CT, Neve RL, Gancarz AM, Li JX, Dietz DM. BRG1 in the Nucleus Accumbens Regulates Cocaine-Seeking Behavior. Biol Psychiatry 2016; 80:652-660. [PMID: 27422367 PMCID: PMC5050080 DOI: 10.1016/j.biopsych.2016.04.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 04/28/2016] [Accepted: 04/28/2016] [Indexed: 12/24/2022]
Abstract
BACKGROUND Drug addiction is defined as a chronic disease characterized by compulsive drug seeking and episodes of relapse despite prolonged periods of drug abstinence. Neurobiological adaptations, including transcriptional and epigenetic alterations in the nucleus accumbens, are thought to contribute to this life-long disease state. We previously demonstrated that the transcription factor SMAD3 is increased after 7 days of withdrawal from cocaine self-administration. However, it is still unknown which additional factors participate in the process of chromatin remodeling and facilitate the binding of SMAD3 to promoter regions of target genes. Here, we examined the possible interaction of BRG1-also known as SMARCA4, an adenosine triphosphatase-containing chromatin remodeler-and SMAD3 in response to cocaine exposure. METHODS The expression of BRG1, as well as its binding to SMAD3 and target gene promoter regions, was evaluated in the nucleus accumbens and dorsal striatum of rats using western blotting, co-immunoprecipitation, and chromatin immunoprecipitation following abstinence from cocaine self-administration. Rats were assessed for cocaine-seeking behaviors after either intra-accumbal injections of the BRG1 inhibitor PFI3 or viral-mediated overexpression of BRG1. RESULTS After withdrawal from cocaine self-administration, BRG1 expression and complex formation with SMAD3 are increased in the nucleus accumbens, resulting in increased binding of BRG1 to the promoter regions of Ctnnb1, Mef2d, and Dbn1. Intra-accumbal infusion of PFI3 attenuated, whereas viral overexpression of Brg1 enhanced, cocaine-reinstatement behavior. CONCLUSIONS BRG1 is a key mediator of the SMAD3-dependent regulation of cellular and behavioral plasticity that mediates cocaine seeking after a period of withdrawal.
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Affiliation(s)
- Zi-Jun Wang
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York
| | - Jennifer A Martin
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York
| | - Lauren E Mueller
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York
| | - Aaron Caccamise
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York
| | - Craig T Werner
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York
| | - Rachael L Neve
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Amy M Gancarz
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York
| | - Jun-Xu Li
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York
| | - David M Dietz
- Department of Pharmacology and Toxicology, State University of New York at Buffalo, Buffalo, New York; Research Institute on Addictions, Program in Neuroscience, Department of Psychology, State University of New York at Buffalo, Buffalo, New York; Department of Psychology, California State University Bakersfield, Bakersfield, California.
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31
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