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Silva RH, Pedro LC, Manosso LM, Gonçalves CL, Réus GZ. Pre- and Post-Synaptic protein in the major depressive Disorder: From neurobiology to therapeutic targets. Neuroscience 2024; 556:14-24. [PMID: 39103041 DOI: 10.1016/j.neuroscience.2024.07.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 07/22/2024] [Accepted: 07/31/2024] [Indexed: 08/07/2024]
Abstract
Major depressive disorder (MDD) has demonstrated its negative impact on various aspects of the lives of those affected. Although several therapies have been developed over the years, it remains a challenge for mental health professionals. Thus, understanding the pathophysiology of MDD is necessary to improve existing treatment options or seek new therapeutic alternatives. Clinical and preclinical studies in animal models of depression have shown the involvement of synaptic plasticity in both the development of MDD and the response to available drugs. However, synaptic plasticity involves a cascade of events, including the action of presynaptic proteins such as synaptophysin and synapsins and postsynaptic proteins such as postsynaptic density-95 (PSD-95). Additionally, several factors can negatively impact the process of spinogenesis/neurogenesis, which are related to many outcomes, including MDD. Thus, this narrative review aims to deepen the understanding of the involvement of synaptic formations and their components in the pathophysiology and treatment of MDD.
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Affiliation(s)
- Ritele H Silva
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil; Department of Health Sciences, Campus Araranguá, Federal University of Santa Catarina, 88906-072 Araranguá, SC, Brazil
| | - Lucas C Pedro
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Luana M Manosso
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Cinara L Gonçalves
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Gislaine Z Réus
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil.
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2
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Chen T, Li Y, Ren X, Wang Y. The mGluR5-mediated Arc activation protects against experimental traumatic brain injury in rats. CNS Neurosci Ther 2024; 30:e14695. [PMID: 39107945 PMCID: PMC11303269 DOI: 10.1111/cns.14695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/05/2024] [Accepted: 03/11/2024] [Indexed: 08/10/2024] Open
Abstract
INTRODUCTION Traumatic brain injury (TBI) is a complex pathophysiological process, and increasing attention has been paid to the important role of post-synaptic density (PSD) proteins, such as glutamate receptors. Our previous study showed that a PSD protein Arc/Arg3.1 (Arc) regulates endoplasmic reticulum (ER) stress and neuronal necroptosis in traumatic injury in vitro. AIM In this study, we investigated the expression, regulation and biological function of Arc in both in vivo and in vitro experimental TBI models. RESULTS Traumatic neuronal injury (TNI) induced a temporal upregulation of Arc in cortical neurons, while TBI resulted in sustained increase in Arc expression up to 24 h in rats. The increased expression of Arc was mediated by the activity of metabotropic glutamate receptor 5 (mGluR5), but not dependent on the intracellular calcium (Ca2+) release. By using inhibitors and antagonists, we found that TNI regulates Arc expression via Gq protein and protein turnover. In addition, overexpression of Arc protects against TBI-induced neuronal injury and motor dysfunction both in vivo and in vitro, whereas the long-term cognitive function was not altered. To determine the role of Arc in mGluR5-induced protection, lentivirus-mediated short hairpin RNA (shRNA) transfection was performed to knockdown Arc expression. The mGluR5 agonist (RS)-2-chloro-5-hydroxyphenylglycine (CHPG)-induced protection against TBI was partially prevented by Arc knockdown. Furthermore, the CHPG-induced attenuation of Ca2+ influx after TNI was dependent on Arc activation and followed regulation of AMPAR subunits. The results of Co-IP and Ca2+ imaging showed that the Arc-Homer1 interaction contributes to the CHPG-induced regulation of intracellular Ca2+ release. CONCLUSION In summary, the present data indicate that the mGluR5-mediated Arc activation is a protective mechanism that attenuates neurotoxicity following TBI through the regulation of intracellular Ca2+ hemostasis. The AMPAR-associated Ca2+ influx and ER Ca2+ release induced by Homer1-IP3R pathway might be involved in this protection.
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Affiliation(s)
- Tao Chen
- Department of NeurosurgeryWuxi Taihu Hospital, Wuxi Clinical Medical School of Anhui Medical UniversityWuxiChina
| | - Yun‐Fei Li
- Department of NeurosurgeryWuxi Taihu Hospital, Wuxi Clinical Medical School of Anhui Medical UniversityWuxiChina
| | - Xu Ren
- Department of NeurosurgeryWuxi Taihu Hospital, Wuxi Clinical Medical School of Anhui Medical UniversityWuxiChina
| | - Yu‐Hai Wang
- Department of NeurosurgeryWuxi Taihu Hospital, Wuxi Clinical Medical School of Anhui Medical UniversityWuxiChina
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He Q, Li R, Zhong N, Ma J, Nie F, Zhang R. The role and molecular mechanisms of the early growth response 3 gene in schizophrenia. Am J Med Genet B Neuropsychiatr Genet 2024; 195:e32969. [PMID: 38327141 DOI: 10.1002/ajmg.b.32969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 01/15/2024] [Accepted: 01/22/2024] [Indexed: 02/09/2024]
Abstract
Schizophrenia is a chronic, debilitating mental illness caused by both genetic and environmental factors. Genetic factors play a major role in schizophrenia development. Early growth response 3 (EGR3) is a member of the EGR family, which is associated with schizophrenia. Accumulating studies have investigated the relationship between EGR3 and schizophrenia. However, the role of EGR3 in schizophrenia pathogenesis remains unclear. In the present review, we focus on the progress of research related to the role of EGR3 in schizophrenia, including association studies between EGR3 and schizophrenia, abnormal gene expressional analysis of EGR3 in schizophrenia, biological function studies of EGR3 in schizophrenia, the molecular regulatory mechanism of EGR3 and schizophrenia susceptibility candidate genes, and possible role of EGR3 in the immune system function in schizophrenia. In summary, EGR3 is a schizophrenia risk candidate factor and has comprehensive regulatory roles in schizophrenia pathogenesis. Further studies investigating the molecular mechanisms of EGR3 in schizophrenia are warranted for understanding the pathophysiology of this disorder as well as the development of new therapeutic strategies for the treatment and control of this disorder.
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Affiliation(s)
- Qi He
- School of Basic Medicine, Shaanxi Key Laboratory of Acupuncture and Medicine, Shannxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Ruochun Li
- Department of Medical Technology, Guiyang Healthcare Vocational University, Guiyang, Guizhou, China
| | - Nannan Zhong
- Department of Medical Technology, Guiyang Healthcare Vocational University, Guiyang, Guizhou, China
| | - Jie Ma
- Department of Electron Microscope, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Fayi Nie
- School of Basic Medicine, Shaanxi Key Laboratory of Acupuncture and Medicine, Shannxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Rui Zhang
- Department of Medical Technology, Guiyang Healthcare Vocational University, Guiyang, Guizhou, China
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Bohnsack JP, Zhang H, Pandey SC. EZH2-dependent epigenetic reprogramming in the central nucleus of amygdala regulates adult anxiety in both sexes after adolescent alcohol exposure. Transl Psychiatry 2024; 14:197. [PMID: 38670959 PMCID: PMC11053082 DOI: 10.1038/s41398-024-02906-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Alcohol use and anxiety disorders occur in both males and females, but despite sharing similar presentation and classical symptoms, the prevalence of alcohol use disorder (AUD) is lower in females. While anxiety is a symptom and comorbidity shared by both sexes, the common underlying mechanism that leads to AUD and the subsequent development of anxiety is still understudied. Using a rodent model of adolescent intermittent ethanol (AIE) exposure in both sexes, we investigated the epigenetic mechanism mediated by enhancer of zeste 2 (EZH2), a histone methyltransferase, in regulating both the expression of activity-regulated cytoskeleton-associated protein (Arc) and an anxiety-like phenotype in adulthood. Here, we report that EZH2 protein levels were significantly higher in PKC-δ positive GABAergic neurons in the central nucleus of amygdala (CeA) of adult male and female rats after AIE. Reducing protein and mRNA levels of EZH2 using siRNA infusion in the CeA prevented AIE-induced anxiety-like behavior, increased H3K27me3, decreased H3K27ac at the Arc synaptic activity response element (SARE) site, and restored deficits in Arc mRNA and protein expression in both male and female adult rats. Our data indicate that an EZH2-mediated epigenetic mechanism in the CeA plays an important role in regulating anxiety-like behavior and Arc expression after AIE in both male and female rats in adulthood. This study suggests that EZH2 may serve as a tractable drug target for the treatment of adult psychopathology after adolescent alcohol exposure.
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Affiliation(s)
- John Peyton Bohnsack
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois Chicago, Chicago, IL, 60612, USA
| | - Huaibo Zhang
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois Chicago, Chicago, IL, 60612, USA
- Jesse Brown Veterans Affairs Medical Center, Chicago, IL, 60612, USA
| | - Subhash C Pandey
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois Chicago, Chicago, IL, 60612, USA.
- Jesse Brown Veterans Affairs Medical Center, Chicago, IL, 60612, USA.
- Department of Anatomy and Cell Biology, University of Illinois Chicago, Chicago, IL, 60612, USA.
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Liu E, Pang K, Liu M, Tan X, Hang Z, Mu S, Han W, Yue Q, Comai S, Sun J. Activation of Kv7 channels normalizes hyperactivity of the VTA-NAcLat circuit and attenuates methamphetamine-induced conditioned place preference and sensitization in mice. Mol Psychiatry 2023; 28:5183-5194. [PMID: 37604975 DOI: 10.1038/s41380-023-02218-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/23/2023]
Abstract
The brain circuit projecting from the ventral tegmental area (VTA) to the nucleus accumbens lateral shell (NAcLat) has a key role in methamphetamine (MA) addiction. As different dopamine (DA) neuron subpopulations in the VTA participate in different neuronal circuits, it is a challenge to isolate these DA neuron subtypes. Using retrograde tracing and Patch-seq, we isolated DA neurons in the VTA-NAcLat circuit in MA-treated mice and performed gene expression profiling. Among the differentially expressed genes, KCNQ genes were dramatically downregulated. KCNQ genes encode Kv7 channel proteins, which modulate neuronal excitability. Injection of both the Kv7.2/3 agonist ICA069673 and the Kv7.4 agonist fasudil into the VTA attenuated MA-induced conditioned place preference and locomotor sensitization and decreased neuronal excitability. Increasing Kv7.2/3 activity decreased neural oscillations, synaptic plasticity and DA release in the VTA-NacLat circuit in MA-treated mice. Furthermore, overexpression of only Kv7.3 channels in the VTA-NacLat circuit was sufficient to attenuate MA-induced reward behavior and decrease VTA neuron excitability. Activation of Kv7 channels in the VTA may become a novel treatment strategy for MA abuse.
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Affiliation(s)
- E Liu
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Kunkun Pang
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
- Department of Ultrasound, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Min Liu
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Xu Tan
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Zhaofang Hang
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Shouhong Mu
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Weikai Han
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Qingwei Yue
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China
| | - Stefano Comai
- Department of Psychiatry, McGill University, Montréal, QC, Canada
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Jinhao Sun
- Department of Anatomy and Neurobiology, Shandong University School of Basic Medicine, Jinan, Shandong, China.
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Kulbe JR, Nguyen L, Le AA, Laird AE, Taffe MA, Nguyen JD, Fields JA. Nicotine, THC, and Dolutegravir Modulate E-Cigarette-Induced Changes in Addiction- and Inflammation-Associated Genes in Rat Brains and Astrocytes. Brain Sci 2023; 13:1556. [PMID: 38002516 PMCID: PMC10670019 DOI: 10.3390/brainsci13111556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
E-cigarette use has been marketed as a safer alternative to traditional cigarettes, as a means of smoking cessation, and are used at a higher rate than the general population in people with HIV (PWH). Early growth receptor 2 (EGR2) and Activity-Regulated Cytoskeleton-Associated Protein (ARC) have a role in addiction, synaptic plasticity, inflammation, and neurodegeneration. This study showed that 10 days of exposure to e-cigarette vapor altered gene expression in the brains of 6-month-old, male, Sprague Dawley rats. Specifically, the e-cigarette solvent vapor propylene glycol (PG) downregulated EGR2 and ARC mRNA expression in frontal cortex, an effect which was reversed by nicotine (NIC) and THC, suggesting that PG could have a protective role against NIC and cannabis dependence. However, in vitro, PG upregulated EGR2 and ARC mRNA expression at 18 h in cultured C6 rat astrocytes suggesting that PG may have neuroinflammatory effects. PG-induced upregulation of EGR2 and ARC mRNA was reversed by NIC but not THC. The HIV antiretroviral DTG reversed the effect NIC had on decreasing PG-induced upregulation of EGR2, which is concerning because EGR2 has been implicated in HIV latency reversal, T-cell apoptosis, and neuroinflammation, a process that underlies the development of HIV-associated neurocognitive disorders.
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Affiliation(s)
- Jacqueline Renee Kulbe
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093, USA; (J.R.K.); (L.N.); (A.A.L.); (A.E.L.); (M.A.T.)
| | - Lauren Nguyen
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093, USA; (J.R.K.); (L.N.); (A.A.L.); (A.E.L.); (M.A.T.)
| | - Alexandra Anh Le
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093, USA; (J.R.K.); (L.N.); (A.A.L.); (A.E.L.); (M.A.T.)
| | - Anna Elizabeth Laird
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093, USA; (J.R.K.); (L.N.); (A.A.L.); (A.E.L.); (M.A.T.)
| | - Michael A. Taffe
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093, USA; (J.R.K.); (L.N.); (A.A.L.); (A.E.L.); (M.A.T.)
| | - Jacques D. Nguyen
- Department of Psychology and Neuroscience, Baylor University, Waco, TX 76706, USA;
| | - Jerel Adam Fields
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093, USA; (J.R.K.); (L.N.); (A.A.L.); (A.E.L.); (M.A.T.)
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Chen Y, Wang X, Xiao B, Luo Z, Long H. Mechanisms and Functions of Activity-Regulated Cytoskeleton-Associated Protein in Synaptic Plasticity. Mol Neurobiol 2023; 60:5738-5754. [PMID: 37338805 DOI: 10.1007/s12035-023-03442-4] [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: 04/18/2023] [Accepted: 06/10/2023] [Indexed: 06/21/2023]
Abstract
Activity-regulated cytoskeleton-associated protein (Arc) is one of the most important regulators of cognitive functions in the brain regions. As a hub protein, Arc plays different roles in modulating synaptic plasticity. Arc supports the maintenance of long-term potentiation (LTP) by regulating actin cytoskeletal dynamics, while it guides the endocytosis of AMPAR in long-term depression (LTD). Moreover, Arc can self-assemble into capsids, leading to a new way of communicating among neurons. The transcription and translation of the immediate early gene Arc are rigorous procedures guided by numerous factors, and RNA polymerase II (Pol II) is considered to regulate the precise timing dynamics of gene expression. Since astrocytes can secrete brain-derived neurotrophic factor (BDNF) and L-lactate, their unique roles in Arc expression are emphasized. Here, we review the entire process of Arc expression and summarize the factors that can affect Arc expression and function, including noncoding RNAs, transcription factors, and posttranscriptional regulations. We also attempt to review the functional states and mechanisms of Arc in modulating synaptic plasticity. Furthermore, we discuss the recent progress in understanding the roles of Arc in the occurrence of major neurological disorders and provide new thoughts for future research on Arc.
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Affiliation(s)
- Yifan Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Xiangya School of Stomatology, Central South University, Changsha, 410008, Hunan, China
| | - Xiaohu Wang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Clinical Research Center for Epileptic Disease of Hunan Province, Central South University, Changsha, Hunan, People's Republic of China, 410008
| | - Zhaohui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- Clinical Research Center for Epileptic Disease of Hunan Province, Central South University, Changsha, Hunan, People's Republic of China, 410008.
| | - Hongyu Long
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- Clinical Research Center for Epileptic Disease of Hunan Province, Central South University, Changsha, Hunan, People's Republic of China, 410008.
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de Bartolomeis A, Ciccarelli M, De Simone G, Mazza B, Barone A, Vellucci L. Canonical and Non-Canonical Antipsychotics' Dopamine-Related Mechanisms of Present and Next Generation Molecules: A Systematic Review on Translational Highlights for Treatment Response and Treatment-Resistant Schizophrenia. Int J Mol Sci 2023; 24:ijms24065945. [PMID: 36983018 PMCID: PMC10051989 DOI: 10.3390/ijms24065945] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Schizophrenia is a severe psychiatric illness affecting almost 25 million people worldwide and is conceptualized as a disorder of synaptic plasticity and brain connectivity. Antipsychotics are the primary pharmacological treatment after more than sixty years after their introduction in therapy. Two findings hold true for all presently available antipsychotics. First, all antipsychotics occupy the dopamine D2 receptor (D2R) as an antagonist or partial agonist, even if with different affinity; second, D2R occupancy is the necessary and probably the sufficient mechanism for antipsychotic effect despite the complexity of antipsychotics' receptor profile. D2R occupancy is followed by coincident or divergent intracellular mechanisms, implying the contribution of cAMP regulation, β-arrestin recruitment, and phospholipase A activation, to quote some of the mechanisms considered canonical. However, in recent years, novel mechanisms related to dopamine function beyond or together with D2R occupancy have emerged. Among these potentially non-canonical mechanisms, the role of Na2+ channels at the dopamine at the presynaptic site, dopamine transporter (DAT) involvement as the main regulator of dopamine concentration at synaptic clefts, and the putative role of antipsychotics as chaperones for intracellular D2R sequestration, should be included. These mechanisms expand the fundamental role of dopamine in schizophrenia therapy and may have relevance to considering putatively new strategies for treatment-resistant schizophrenia (TRS), an extremely severe condition epidemiologically relevant and affecting almost 30% of schizophrenia patients. Here, we performed a critical evaluation of the role of antipsychotics in synaptic plasticity, focusing on their canonical and non-canonical mechanisms of action relevant to the treatment of schizophrenia and their subsequent implication for the pathophysiology and potential therapy of TRS.
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Affiliation(s)
- Andrea de Bartolomeis
- Section of Psychiatry, Laboratory of Translational and Molecular Psychiatry and Unit of Treatment-Resistant Psychosis, Department of Neuroscience, Reproductive Sciences and Dentistry, University Medical School of Naples "Federico II", 80131 Naples, Italy
| | - Mariateresa Ciccarelli
- Section of Psychiatry, Laboratory of Translational and Molecular Psychiatry and Unit of Treatment-Resistant Psychosis, Department of Neuroscience, Reproductive Sciences and Dentistry, University Medical School of Naples "Federico II", 80131 Naples, Italy
| | - Giuseppe De Simone
- Section of Psychiatry, Laboratory of Translational and Molecular Psychiatry and Unit of Treatment-Resistant Psychosis, Department of Neuroscience, Reproductive Sciences and Dentistry, University Medical School of Naples "Federico II", 80131 Naples, Italy
| | - Benedetta Mazza
- Section of Psychiatry, Laboratory of Translational and Molecular Psychiatry and Unit of Treatment-Resistant Psychosis, Department of Neuroscience, Reproductive Sciences and Dentistry, University Medical School of Naples "Federico II", 80131 Naples, Italy
| | - Annarita Barone
- Section of Psychiatry, Laboratory of Translational and Molecular Psychiatry and Unit of Treatment-Resistant Psychosis, Department of Neuroscience, Reproductive Sciences and Dentistry, University Medical School of Naples "Federico II", 80131 Naples, Italy
| | - Licia Vellucci
- Section of Psychiatry, Laboratory of Translational and Molecular Psychiatry and Unit of Treatment-Resistant Psychosis, Department of Neuroscience, Reproductive Sciences and Dentistry, University Medical School of Naples "Federico II", 80131 Naples, Italy
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Velazquez-Sanchez C, Muresan L, Marti-Prats L, Belin D. The development of compulsive coping behaviour is associated with a downregulation of Arc in a Locus Coeruleus neuronal ensemble. Neuropsychopharmacology 2023; 48:653-663. [PMID: 36635597 PMCID: PMC9938202 DOI: 10.1038/s41386-022-01522-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/14/2022] [Accepted: 12/15/2022] [Indexed: 01/14/2023]
Abstract
Some compulsive disorders have been considered to stem from the loss of control over coping strategies, such as displacement. However, the cellular mechanisms involved in the acquisition of coping behaviours and their subsequent compulsive manifestation in vulnerable individuals have not been elucidated. Considering the role of the locus coeruleus (LC) noradrenaline-dependent system in stress and related excessive behaviours, we hypothesised that neuroplastic changes in the LC may be associated with the acquisition of an adjunctive polydipsic water drinking, a prototypical displacement behaviour, and the ensuing development of compulsion in vulnerable individuals. Thus, male Sprague Dawley rats were characterised for their tendency, or not, to develop compulsive polydipsic drinking in a schedule-induced polydipsia (SIP) procedure before their fresh brains were harvested. A new quantification tool for RNAscope assays revealed that the development of compulsive adjunctive behaviour was associated with a low mRNA copy number of the plasticity marker Arc in the LC which appeared to be driven by specific adaptations in an ensemble of tyrosine hydroxylase (TH)+, zif268- neurons. This ensemble was specifically engaged by the expression of compulsive adjunctive behaviour, not by stress, because its functional recruitment was not observed in individuals that no longer had access to the water bottle before sacrifice, while it consistently correlated with the levels of polydipsic water drinking only when it had become compulsive. Together these findings suggest that downregulation of Arc mRNA levels in a population of a TH+/zif268- LC neurons represents a signature of the tendency to develop compulsive coping behaviours.
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Affiliation(s)
- Clara Velazquez-Sanchez
- CLIC (Cambridge Laboratory for research on Impulsive/Compulsive disorders), Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Leila Muresan
- Cambridge Advanced Imaging Centre, Department of Physiology Development and Neuroscience of the University of Cambridge, Downing Street, Cambridge, CB2 3DY, UK
| | - Lucia Marti-Prats
- CLIC (Cambridge Laboratory for research on Impulsive/Compulsive disorders), Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - David Belin
- CLIC (Cambridge Laboratory for research on Impulsive/Compulsive disorders), Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK.
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Dysregulated Signaling at Postsynaptic Density: A Systematic Review and Translational Appraisal for the Pathophysiology, Clinics, and Antipsychotics' Treatment of Schizophrenia. Cells 2023; 12:cells12040574. [PMID: 36831241 PMCID: PMC9954794 DOI: 10.3390/cells12040574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Emerging evidence from genomics, post-mortem, and preclinical studies point to a potential dysregulation of molecular signaling at postsynaptic density (PSD) in schizophrenia pathophysiology. The PSD that identifies the archetypal asymmetric synapse is a structure of approximately 300 nm in diameter, localized behind the neuronal membrane in the glutamatergic synapse, and constituted by more than 1000 proteins, including receptors, adaptors, kinases, and scaffold proteins. Furthermore, using FASS (fluorescence-activated synaptosome sorting) techniques, glutamatergic synaptosomes were isolated at around 70 nm, where the receptors anchored to the PSD proteins can diffuse laterally along the PSD and were stabilized by scaffold proteins in nanodomains of 50-80 nm at a distance of 20-40 nm creating "nanocolumns" within the synaptic button. In this context, PSD was envisioned as a multimodal hub integrating multiple signaling-related intracellular functions. Dysfunctions of glutamate signaling have been postulated in schizophrenia, starting from the glutamate receptor's interaction with scaffolding proteins involved in the N-methyl-D-aspartate receptor (NMDAR). Despite the emerging role of PSD proteins in behavioral disorders, there is currently no systematic review that integrates preclinical and clinical findings addressing dysregulated PSD signaling and translational implications for antipsychotic treatment in the aberrant postsynaptic function context. Here we reviewed a critical appraisal of the role of dysregulated PSD proteins signaling in the pathophysiology of schizophrenia, discussing how antipsychotics may affect PSD structures and synaptic plasticity in brain regions relevant to psychosis.
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11
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Pinus halepensis Essential Oil Ameliorates Aβ1-42-Induced Brain Injury by Diminishing Anxiety, Oxidative Stress, and Neuroinflammation in Rats. Biomedicines 2022; 10:biomedicines10092300. [PMID: 36140401 PMCID: PMC9496595 DOI: 10.3390/biomedicines10092300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/04/2022] [Accepted: 09/12/2022] [Indexed: 01/18/2023] Open
Abstract
The Pinus L. genus comprises around 250 species, being popular worldwide for their medicinal and aromatic properties. The present study aimed to evaluate the P. halepensis Mill. essential oil (PNO) in an Alzheimer’s disease (AD) environment as an anxiolytic and antidepressant agent. The AD-like symptoms were induced in Wistar male rats by intracerebroventricular administration of amyloid beta1-42 (Aβ1-42), and PNO (1% and 3%) was delivered to Aβ1-42 pre-treated rats via inhalation route for 21 consecutive days, 30 min before behavioral assessments. The obtained results indicate PNO’s potential to relieve anxious–depressive features and to restore redox imbalance in the rats exhibiting AD-like neuropsychiatric impairments. Moreover, PNO presented beneficial effects against neuroinflammation and neuroapoptosis in the Aβ1-42 rat AD model.
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Touchant M, Labonté B. Sex-Specific Brain Transcriptional Signatures in Human MDD and Their Correlates in Mouse Models of Depression. Front Behav Neurosci 2022; 16:845491. [PMID: 35592639 PMCID: PMC9110970 DOI: 10.3389/fnbeh.2022.845491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 04/05/2022] [Indexed: 01/13/2023] Open
Abstract
Major depressive disorder (MDD) is amongst the most devastating psychiatric conditions affecting several millions of people worldwide every year. Despite the importance of this disease and its impact on modern societies, still very little is known about the etiological mechanisms. Treatment strategies have stagnated over the last decades and very little progress has been made to improve the efficiency of current therapeutic approaches. In order to better understand the disease, it is necessary for researchers to use appropriate animal models that reproduce specific aspects of the complex clinical manifestations at the behavioral and molecular levels. Here, we review the current literature describing the use of mouse models to reproduce specific aspects of MDD and anxiety in males and females. We first describe some of the most commonly used mouse models and their capacity to display unique but also shared features relevant to MDD. We then transition toward an integral description, combined with genome-wide transcriptional strategies. The use of these models reveals crucial insights into the molecular programs underlying the expression of stress susceptibility and resilience in a sex-specific fashion. These studies performed on human and mouse tissues establish correlates into the mechanisms mediating the impact of stress and the extent to which different mouse models of chronic stress recapitulate the molecular changes observed in depressed humans. The focus of this review is specifically to highlight the sex differences revealed from different stress paradigms and transcriptional analyses both in human and animal models.
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Affiliation(s)
- Maureen Touchant
- CERVO Brain Research Centre, Québec, QC, Canada
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, QC, Canada
| | - Benoit Labonté
- CERVO Brain Research Centre, Québec, QC, Canada
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, QC, Canada
- *Correspondence: Benoit Labonté
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Targeting Insulin-Like Growth Factor-I in Management of Neurological Disorders. Neurotox Res 2022; 40:874-883. [PMID: 35476315 DOI: 10.1007/s12640-022-00513-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/29/2022] [Accepted: 04/15/2022] [Indexed: 12/13/2022]
Abstract
The degradation of neurons marks as the pathological reason for onset of most of the neurological diseases although the functional deficiencies and symptoms may vary. Insulin-like growth factor-I (IGF-I) boosts regeneration of both motor and sensory neurons and thus presents as a potential treatment in management of neurological disorders. IGF-I is a pleiotropic agent which stimulates the survival and outgrowth of neurons accompanied by their motility as well as myelination by glial cells. This hormone has been found to possess neuroprotective properties which is in association with its antioxidant and mitochondrial protection activity. Studying and exploring the signaling pathways which mediate pleotropic responses intracellularly have elucidated significant therapeutic approach in treatment and management of neurological disorders by IGF-I. The current review highlights the role of IGF-I in management of major neurological disorders such as depression, Parkinson's disease, and Alzheimer's disease and also covers the mechanisms involved in the process.
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Sarkar T, Patro N, Patro IK. Perinatal exposure to synergistic multiple stressors lead to cellular and behavioral deficits mimicking Schizophrenia like pathology. Biol Open 2022; 11:274201. [PMID: 35107124 PMCID: PMC8918990 DOI: 10.1242/bio.058870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 01/24/2022] [Indexed: 11/24/2022] Open
Abstract
Protein malnourishment and immune stress are potent perinatal stressors, encountered by children born under poor socioeconomic conditions. Thus, it is necessary to investigate how such stressors synergistically contribute towards developing neurological disorders in affected individuals. Pups from Wistar females, maintained on normal (high-protein, HP:20%) and low-protein (LP:8%) diets were used. Single and combined exposures of Poly I:C (viral mimetic: 5 mg/kg body weight) and Lipopolysaccharide (LPS; bacterial endotoxin: 0.3 mg/kg body weight) were injected to both HP and LP pups at postnatal days (PND) 3 and 9 respectively, creating eight groups: HP (control); HP+Poly I:C; HP+LPS; HP+Poly I:C+LPS; LP; LP+Poly I:C; LP+LPS; LP+Poly I:C+LPS (multi-hit). The effects of stressors on hippocampal cytoarchitecture and behavioral abilities were studied at PND 180. LP animals were found to be more vulnerable to immune stressors than HP animals and symptoms like neuronal damage, spine loss, downregulation of Egr 1 and Arc proteins, gliosis and behavioral deficits were maximum in the multi-hit group. Thus, from these findings it is outlined that cellular and behavioral changes that occur following multi-hit exposure may predispose individuals to developing Schizophrenia-like pathologies during adulthood. Summary: This study reports that exposure to perinatal multi-hit stress (protein malnourishment and immune stress) causes changes in the hippocampal cells alongside behavioral deficits which are also observed in Schizophrenic condition.
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Affiliation(s)
- Tiyasha Sarkar
- School of Studies in Neuroscience, Jiwaji University, Gwalior-474011, India
| | - Nisha Patro
- School of Studies in Neuroscience, Jiwaji University, Gwalior-474011, India
| | - Ishan Kumar Patro
- School of Studies in Neuroscience, Jiwaji University, Gwalior-474011, India
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Xu G, Li T, Huang Y. The Effects of Intraoperative Hypothermia on Postoperative Cognitive Function in the Rat Hippocampus and Its Possible Mechanisms. Brain Sci 2022; 12:brainsci12010096. [PMID: 35053838 PMCID: PMC8773779 DOI: 10.3390/brainsci12010096] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 02/07/2023] Open
Abstract
Intraoperative hypothermia is a common complication during operations and is associated with several adverse events. Postoperative cognitive dysfunction (POCD) and its adverse consequences have drawn increasing attention in recent years. There are currently no relevant studies investigating the correlation between intraoperative hypothermia and POCD. The aim of this study was to assess the effects of intraoperative hypothermia on postoperative cognitive function in rats undergoing exploratory laparotomies and to investigate the possible related mechanisms. We used the Y-maze and Morris Water Maze (MWM) tests to assess the rats’ postoperative spatial working memory, spatial learning, and memory. The morphological changes in hippocampal neurons were examined by haematoxylin-eosin (HE) staining and hippocampal synaptic plasticity-related protein expression. Activity-regulated cytoskeletal-associated protein (Arc), cyclic adenosine monophosphate-response element-binding protein (CREB), S133-phosphorylated CREB (p-CREB [S133]), α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptor 1 (AMPAR1), and S831-phosphorylated AMPAR1 (p-AMPAR1 [S831]) were evaluated by Western blotting. Our results suggest a correlation between intraoperative hypothermia and POCD in rats and that intraoperative hypothermia may lead to POCD regarding impairments in spatial working memory, spatial learning, and memory. POCD induced by intraoperative hypothermia might be due to hippocampal neurons damage and decreased expression of synaptic plasticity-related proteins Arc, p-CREB (S133), and p-AMPAR1 (S831).
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Naveed M, Li LD, Sheng G, Du ZW, Zhou YP, Nan S, Zhu MY, Zhang J, Zhou QG. Agomelatine: An astounding sui-generis antidepressant? Curr Mol Pharmacol 2021; 15:943-961. [PMID: 34886787 DOI: 10.2174/1874467214666211209142546] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/09/2021] [Accepted: 06/25/2021] [Indexed: 11/22/2022]
Abstract
Major depressive disorder (MDD) is one of the foremost causes of disability and premature death worldwide. Although the available antidepressants are effective and well tolerated, they also have many limitations. Therapeutic advances in developing a new drug's ultimate relation between MDD and chronobiology, which targets the circadian rhythm, have led to a renewed focus on psychiatric disorders. In order to provide a critical analysis about antidepressant properties of agomelatine, a detailed PubMed (Medline), Scopus (Embase), Web of Science (Web of Knowledge), Cochrane Library, Google Scholar, and PsycInfo search was performed using the following keywords: melatonin analog, agomelatine, safety, efficacy, adverse effects, pharmacokinetics, pharmacodynamics, circadian rhythm, sleep disorders, neuroplasticity, MDD, bipolar disorder, anhedonia, anxiety, generalized anxiety disorder (GAD), and mood disorders. Agomelatine is a unique melatonin analog with antidepressant properties and a large therapeutic index that improves clinical safety. It is a melatonin receptor agonist (MT1 and MT2) and a 5-HT2C receptor antagonist. The effects on melatonin receptors enable the resynchronization of irregular circadian rhythms with beneficial effects on sleep architectures. In this way, agomelatine is accredited for its unique mode of action, which helps to exert antidepressant effects and resynchronize the sleep-wake cycle. To sum up, an agomelatine has not only antidepressant properties but also has anxiolytic effects.
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Affiliation(s)
- Muhammad Naveed
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Lian-Di Li
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Gang Sheng
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Zi-Wei Du
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Ya-Ping Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Sun Nan
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Ming-Yi Zhu
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Jing Zhang
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Qi-Gang Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
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Robinson S, Mogul AS, Taylor-Yeremeeva EM, Khan A, Tirabassi AD, Wang HY. Stress Diminishes BDNF-stimulated TrkB Signaling, TrkB-NMDA Receptor Linkage and Neuronal Activity in the Rat Brain. Neuroscience 2021; 473:142-158. [PMID: 34298123 PMCID: PMC8455453 DOI: 10.1016/j.neuroscience.2021.07.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/08/2021] [Accepted: 07/13/2021] [Indexed: 11/21/2022]
Abstract
Exposure to intense or repeated stressors can lead to depression or post-traumatic stress disorder (PTSD). Neurological changes induced by stress include impaired neurotrophin signaling, which is known to influence synaptic integrity and plasticity. The present study used an ex vivo approach to examine the impact of acute or repeated stress on BDNF-stimulated TrkB signaling in hippocampus (HIPPO) and prefrontal cortex (PFC). Rats in an acute multiple stressor group experienced five stressors in one day whereas rats in a repeated unpredictable stressor group experienced 20 stressors across 10 days. After stress exposure, slices were incubated with vehicle or BDNF, followed by immunoprecipitation and immunoblot assays to assess protein levels, activation states and protein-protein linkage associated with BDNF-TrkB signaling. Three key findings are (1) exposure to stressors significantly diminished BDNF-stimulated TrkB signaling in HIPPO and PFC such that reductions in TrkB activation, diminished recruitment of adaptor proteins to TrkB, reduced activation of downstream signaling molecules, disruption of TrkB-NMDAr linkage, and changes in basal and BDNF-stimulated Arc expression were observed. (2) After stress, BDNF stimulation enhanced TrkB-NMDAr linkage in PFC, suggestive of compensatory mechanisms in this region. (3) We discovered an uncoupling between TrkB signaling, TrkB-NMDAr linkage and Arc expression in PFC and HIPPO. In addition, a robust surge in pro-inflammatory cytokines was observed in both regions after repeated exposure to stressors. Collectively, these data provide therapeutic targets for future studies that investigate how to reverse stress-induced downregulation of BDNF-TrkB signaling and underscore the need for functional studies that examine stress-related TrkB-NMDAr activities in PFC.
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Affiliation(s)
- Siobhan Robinson
- Department of Psychology and Program in Neuroscience, Hamilton College, Clinton, NY, USA.
| | - Allison S Mogul
- Department of Psychology and Program in Neuroscience, Hamilton College, Clinton, NY, USA
| | | | - Amber Khan
- Department of Molecular, Cellular & Biomedical Sciences, The City University of New York School of Medicine, New York, NY, USA; Department of Biology, Neuroscience Program, Graduate School of the City University of New York, New York, NY, USA
| | - Anthony D Tirabassi
- Department of Psychology and Program in Neuroscience, Hamilton College, Clinton, NY, USA
| | - Hoau-Yan Wang
- Department of Molecular, Cellular & Biomedical Sciences, The City University of New York School of Medicine, New York, NY, USA; Department of Biology, Neuroscience Program, Graduate School of the City University of New York, New York, NY, USA
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Kang J, Smidtas L. Enthalpy-entropy compensation in the binding of peptide ligands to human Arc. Biochem Biophys Rep 2021; 27:101088. [PMID: 34368472 PMCID: PMC8326351 DOI: 10.1016/j.bbrep.2021.101088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 01/02/2023] Open
Affiliation(s)
- Jonghoon Kang
- Department of Biology, Valdosta State University, Valdosta, GA, 31698, USA
| | - Lukas Smidtas
- Department of Biology, Valdosta State University, Valdosta, GA, 31698, USA
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Meade GM, Charron LS, Kilburn LW, Pei Z, Wang HY, Robinson S. A model of negative emotional contagion between male-female rat dyads: Effects of voluntary exercise on stress-induced behavior and BDNF-TrkB signaling. Physiol Behav 2021; 234:113286. [DOI: 10.1016/j.physbeh.2020.113286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/19/2022]
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20
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Zhang Z, Song Z, Shen F, Xie P, Wang J, Zhu AS, Zhu G. Ginsenoside Rg1 Prevents PTSD-Like Behaviors in Mice Through Promoting Synaptic Proteins, Reducing Kir4.1 and TNF-α in the Hippocampus. Mol Neurobiol 2021; 58:1550-1563. [PMID: 33215390 PMCID: PMC7676862 DOI: 10.1007/s12035-020-02213-9] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/16/2020] [Indexed: 12/24/2022]
Abstract
Ginsenoside Rg1 is efficient to prevent or treat mental disorders. However, the mechanisms underlying the effects of ginsenoside Rg1 on post-traumatic stress disorder (PTSD) are still not known. In this study, single-prolonged stress (SPS) regime, as well as injection of lipopolysaccharide (LPS), was used to produce PTSD-like behaviors in C57 mice, and the effects of ginsenoside Rg1 (10, 20, 40 mg/kg/d, ip, for 14 days) on PTSD-like behaviors were evaluated. Our results showed that ginsenoside Rg1 promoted fear extinction and prevented depression-like behaviors in both LPS and SPS models. Importantly, ginsenoside Rg1 alleviated LPS- or SPS-stimulated expression of pro-inflammatory cytokines (IL-1β and TNF-α), activation of astrocytes and microglia, and reduction of hippocampal synaptic proteins (PSD95, Arc, and GluA1). Ginsenoside Rg1 also reduced the increase of hippocampal Kir4.1 and GluN2A induced by PTSD regime. Importantly, reducing hippocampal astroglial Kir4.1 expression promoted fear extinction and improved depression-like behaviors in LPS-treated mice. Additionally, intracerebroventricular injection of TNF-α caused an impairment of fear extinction and promoted Kir4.1 expression in the hippocampus. Together, our study reveals novel protective effects of ginsenoside Rg1 against PTSD-like behaviors in mice, likely via promoting synaptic proteins, reducing Kir4.1 and TNF-α in the hippocampus.
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Affiliation(s)
- Zhengrong Zhang
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Meishan Road 103, Hefei, 230038, China
| | - Zhujin Song
- Basic Medical College, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Fengming Shen
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Meishan Road 103, Hefei, 230038, China
| | - Pan Xie
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Meishan Road 103, Hefei, 230038, China
| | - Juan Wang
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Meishan Road 103, Hefei, 230038, China
| | - Ai-Song Zhu
- Basic Medical College, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Guoqi Zhu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Meishan Road 103, Hefei, 230038, China.
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Crisafulli C, Calabrò M, Mandelli L, Wang SM, Lee SJ, Han C, Patkar A, Masand P, Pae CU, Souery D, Mendlewicz J, Serretti A. Possible Modulatory Role of ARC Gene Variants in Mood Disorders. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE : THE OFFICIAL SCIENTIFIC JOURNAL OF THE KOREAN COLLEGE OF NEUROPSYCHOPHARMACOLOGY 2021; 19:46-52. [PMID: 33508787 PMCID: PMC7851469 DOI: 10.9758/cpn.2021.19.1.46] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 07/29/2019] [Indexed: 11/23/2022]
Abstract
OBJECTIVE The genetic background of mood disorders is gradually emerging through the use of large multicenter samples but a detailed phenotyping is complementary in elucidating the role of modulating variants. METHODS In the present paper we focused on the possible modulatory effects of ARC gene variants on two independent mood disorder samples of European (n = 246 bipolar disorder) and Korean (n = 132 bipolar disorder; n = 242 major depressive disorder [MDD]) ancestry. RESULTS No result survived Bonferroni correction, however we evidenced promising trend toward possible association between ARC gene variants and mood disorder phenotypes. In particular, we evidenced weak correlations of ARC single nucleotide polymorphisms with depressive symptoms severity (evaluated through Hamilton depression rating scale scores) in the MDD Korean (rs7465272) and European (rs11167152) samples. Additionally rs10110456 was found to be related to Family History, while rs7465272 was related to suicide risk in the Korean sample. Finally, rs7465272 was associated with body mass index in the European sample. CONCLUSION Overall, ARC gene variants may have a partial role in modulatory effect on treatment efficacy or phenotypes of mood disorders. Further studies, on larger samples may provide a better understanding on the role of ARC gene variants in the symptom severity and treatment outcomes in patients with mood disorders.
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Affiliation(s)
- Concetta Crisafulli
- Department of Biomedical and Dental Sciences and Morphofunctional Images, University of Messina, Messina, Italy
| | - Marco Calabrò
- Department of Biomedical and Dental Sciences and Morphofunctional Images, University of Messina, Messina, Italy
| | - Laura Mandelli
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
| | - Sheng-Min Wang
- Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Soo-Jung Lee
- Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Changsu Han
- Department of Psychiatry, Korea University College of Medicine, Seoul, Korea
| | - Ashwin Patkar
- Department of Psychiatry and Behavioural Sciences, Rush University Medical Center, Chicago, IL, USA
| | | | - Chi-Un Pae
- Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Daniel Souery
- Centre Européen de Psychologie Medicale, Laboratoire de Psychologie Medicale, Universitè Libre de Bruxelles and Psy Pluriel, Brussels, Belgium
| | - Julien Mendlewicz
- Department of Psychiatry, Universitè Libre de Bruxelles, Brussels, Belgium
| | - Alessandro Serretti
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
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Ferreira SEMM, Soares LM, Lira CR, Yokoyama TS, Engi SA, Cruz FC, Leão RM. Ethanol-induced locomotor sensitization: Neuronal activation in the nucleus accumbens and medial prefrontal cortex. Neurosci Lett 2021; 749:135745. [PMID: 33610663 DOI: 10.1016/j.neulet.2021.135745] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 02/12/2021] [Accepted: 02/15/2021] [Indexed: 12/31/2022]
Abstract
Ethanol consumption may promote neuroplasticity and alterations in synapses, resulting in modifications in neuronal activity. Here, we treated male Swiss mice with ethanol (2.2 g/kg) or saline once per day for 21 consecutive days. Nine days after the last ethanol administration, they received a challenge injection of ethanol or saline, and we assessed locomotor activity. After the behavioral analysis, we evaluated neuronal activation in the medial Prefrontal Cortex (Cingulate, Prelimbic, and Infralimbic) and the Nucleus Accumbens (Shell and Core) using Fos/DAB immunohistochemistry. In another group of animals, we performed the quantitative analysis of the ARC and PSD-95 protein levels by Western blotting in the medial prefrontal cortex and nucleus accumbens brain areas. Repeated ethanol administration produced locomotor sensitization, accompanied by an increase in the nucleus accumbens shell's activation but not core. Furthermore, the ethanol pretreatment reduced ARC expression in the nucleus accumbens and medial prefrontal cortex. Our results suggest the participation of the nucleus accumbens shell in ethanol behavioral sensitization and add new pieces of evidence that neuroplasticity in synapses may contribute to the mechanism underlying this behavior.
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Affiliation(s)
- Sara Emi M M Ferreira
- Department of Bioregulation Sciences, Health Sciences Institute, Federal University of Bahia, UFBA, Brazil; Graduate Program in Pharmacy, Federal University of Bahia, UFBA, Brazil
| | - Leonardo M Soares
- Department of Bioregulation Sciences, Health Sciences Institute, Federal University of Bahia, UFBA, Brazil
| | - Clarice R Lira
- Department of Bioregulation Sciences, Health Sciences Institute, Federal University of Bahia, UFBA, Brazil; Graduate Program in Pharmacy, Federal University of Bahia, UFBA, Brazil
| | - Thais S Yokoyama
- Pharmacology Department, São Paulo Federal University, UNIFESP, Brazil
| | - Sheila A Engi
- Pharmacology Department, São Paulo Federal University, UNIFESP, Brazil
| | - Fábio C Cruz
- Pharmacology Department, São Paulo Federal University, UNIFESP, Brazil
| | - Rodrigo M Leão
- Department of Bioregulation Sciences, Health Sciences Institute, Federal University of Bahia, UFBA, Brazil; Graduate Program in Pharmacy, Federal University of Bahia, UFBA, Brazil; Pharmacology Department, Biomedical Sciences Institute, Federal University of Uberlândia, UFU, Brazil.
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Huang W, Hu W, Cai L, Zeng G, Fang W, Dai X, Ye Q, Chen X, Zhang J. Acetate supplementation produces antidepressant-like effect via enhanced histone acetylation. J Affect Disord 2021; 281:51-60. [PMID: 33290927 DOI: 10.1016/j.jad.2020.11.121] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 11/23/2020] [Accepted: 11/26/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Abnormal energy metabolism is often documented in the brain of patients and rodents with depression. In metabolic stress, acetate serves as an important source of acetyl coenzyme A (Ac-CoA). However, its exact role and underlying mechanism remain to be investigated. METHOD We used chronic social failure stress (CSDS) to induce depression-like phenotype of C57BL/6J mice. The drugs were administered by gavage. We evaluated the depressive symptoms by sucrose preference test, social interaction, tail suspension test and forced swimming test. The dendritic branches and spine density were detected by Golgi staining, mRNA level was analyzed by real-time quantitative RT-PCR, protein expression level was detected by western blot, and the content of Ac-CoA was detected by ELISA kit. RESULT The present study found that acetate supplementation significantly improved the depression-like behaviors of mice either in acute forced swimming test (FST) or in CSDS model and that acetate administration enhanced the dendritic branches and spine density of the CA1 pyramidal neurons. Moreover, the down-regulated levels of BDNF and TrkB were rescued in the acetate-treated mice. Of note, chronic acetate treatment obviously lowered the transcription level of HDAC2, HDAC5, HDAC7, HDAC8, increased the transcription level of HAT and P300, and boosted the content of Ac-CoA in the nucleus, which facilitated the acetylation levels of histone H3 and H4. LIMITATIONS The effect of acetate supplementation on other brain regions is not further elucidated. CONCLUSION These findings indicate that acetate supplementation can produce antidepressant-like effects by increasing histone acetylation and improving synaptic plasticity in hippocampus.
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Affiliation(s)
- Weibin Huang
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Wenming Hu
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Lili Cai
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Guirong Zeng
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Wenting Fang
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Xiaoman Dai
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Qinyong Ye
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Xiaochun Chen
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China.
| | - Jing Zhang
- Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Fujian Key Laboratory of Molecular Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, Fujian 350005, China.
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Paladini MS, Spero V, Begni V, Marchisella F, Guidi A, Gruca P, Lason M, Litwa E, Papp M, Riva MA, Molteni R. Behavioral and molecular effects of the antipsychotic drug blonanserin in the chronic mild stress model. Pharmacol Res 2021; 163:105330. [PMID: 33276101 DOI: 10.1016/j.phrs.2020.105330] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 11/10/2020] [Accepted: 11/25/2020] [Indexed: 12/16/2022]
Abstract
Psychiatric disorders represent a critical challenge to our society, given their high global prevalence, complex symptomatology, elusive etiology and the variable effectiveness of pharmacological therapies. Recently, there has been a shift in investigating and redefining these diseases by integrating behavioral observations and multilevel neurobiological measures. Accordingly, endophenotype-oriented studies are needed to develop new therapeutic strategies, with the idea of targeting shared symptoms instead of one defined disease. With these premises, here we investigated the therapeutic properties of chronic treatment with the second-generation antipsychotic blonanserin in counteracting the alterations caused by 7 weeks of Chronic Mild Stress (CMS) in the rat. CMS is a well-established preclinical model able to induce depressive and anxiety-like alterations, which are shared by different psychiatric disorders. Our results demonstrated that the antipsychotic treatment normalizes the CMS-induced emotionality deficits, an effect that may be due to its ability in modulating, within the prefrontal cortex, redox mechanisms, a molecular dysfunction associated with several psychiatric disorders. These evidences provide new insights into the therapeutic properties and potential use of blonanserin as well as in its mechanisms of action and provide further support for the role of oxidative stress in the pathophysiology of psychiatric disorders.
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Affiliation(s)
- Maria Serena Paladini
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Vittoria Spero
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Veronica Begni
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Francesca Marchisella
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Alice Guidi
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Piotr Gruca
- Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Magdalena Lason
- Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Ewa Litwa
- Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Maurisz Papp
- Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Marco A Riva
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy.
| | - Raffaella Molteni
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
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25
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Yakout DW, Shree N, Mabb AM. Effect of pharmacological manipulations on Arc function. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2020; 2:100013. [PMID: 34909648 PMCID: PMC8663979 DOI: 10.1016/j.crphar.2020.100013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 12/20/2022] Open
Abstract
Activity-regulated cytoskeleton-associated protein (Arc) is a brain-enriched immediate early gene that regulates important mechanisms implicated in learning and memory. Arc levels are controlled through a balance of induction and degradation in an activity-dependent manner. Arc further undergoes multiple post-translational modifications that regulate its stability, localization and function. Recent studies demonstrate that these features of Arc can be pharmacologically manipulated. In this review, we discuss some of these compounds, with an emphasis on drugs of abuse and psychotropic drugs. We also discuss inflammatory states that regulate Arc.
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Affiliation(s)
- Dina W. Yakout
- Neuroscience Institute, Georgia State University, Atlanta, GA, United States
| | - Nitheyaa Shree
- Neuroscience Institute, Georgia State University, Atlanta, GA, United States
| | - Angela M. Mabb
- Neuroscience Institute, Georgia State University, Atlanta, GA, United States
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26
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Chen T, Zhu J, Wang YH. RNF216 mediates neuronal injury following experimental subarachnoid hemorrhage through the Arc/Arg3.1-AMPAR pathway. FASEB J 2020; 34:15080-15092. [PMID: 32918771 DOI: 10.1096/fj.201903151rrrr] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 08/21/2020] [Accepted: 08/31/2020] [Indexed: 12/13/2022]
Abstract
Subarachnoid hemorrhage (SAH), mostly caused by aneurysm rupture, is a pathological condition associated with oxidative stress and neuroinflammation. Toll-like receptors (TLRs) are a family of key regulators of neuroinflammation, and RNF216 is an E3 ubiquitin-protein ligase that regulates TLRs via ubiquitination and proteolytic degradation. However, the role of RNF216 in SAH has not been determined. In this study, we investigated the biological function of RNF216 in experimental SAH models both in vitro and in vivo. The expression of RNF216 was found to be upregulated in cortical neurons after oxyhemoglobin (OxyHb) treatment, and increased RNF216 expression was also observed in brain tissues in the single-hemorrhage model of SAH. Downregulation of RNF216 expression by short interfering RNA (siRNA) transfection significantly reduced cytotoxicity and apoptosis after OxyHb exposure. The results of western blot showed that the RNF216-mediated neuronal injury in vitro was associated with the regulation of the Arc-AMPAR pathway, which was related to intracellular Ca2+ dysfunction, as evidenced by Ca2+ imaging. In addition, knockdown of RNF216 in vivo using intraventricular injection of siRNA was found to attenuate brain injury and neuroinflammation via the Arc-AMPAR pathway after SAH in the animal model. In summary, we demonstrated that silence of RNF216 expression protects against neuronal injury and neurological dysfunction in experimental SAH models. These data support for the first time that RNF216 may represent a novel candidate for therapies against SAH.
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Affiliation(s)
- Tao Chen
- Department of Neurosurgery, The 904th Hospital of PLA, Medical School of Anhui Medical University, Wuxi, China
| | - Jie Zhu
- Department of Neurosurgery, The 904th Hospital of PLA, Medical School of Anhui Medical University, Wuxi, China
| | - Yu-Hai Wang
- Department of Neurosurgery, The 904th Hospital of PLA, Medical School of Anhui Medical University, Wuxi, China
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27
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Issler O, van der Zee YY, Ramakrishnan A, Wang J, Tan C, Loh YHE, Purushothaman I, Walker DM, Lorsch ZS, Hamilton PJ, Peña CJ, Flaherty E, Hartley BJ, Torres-Berrío A, Parise EM, Kronman H, Duffy JE, Estill MS, Calipari ES, Labonté B, Neve RL, Tamminga CA, Brennand KJ, Dong Y, Shen L, Nestler EJ. Sex-Specific Role for the Long Non-coding RNA LINC00473 in Depression. Neuron 2020; 106:912-926.e5. [PMID: 32304628 PMCID: PMC7305959 DOI: 10.1016/j.neuron.2020.03.023] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 01/27/2020] [Accepted: 03/23/2020] [Indexed: 12/26/2022]
Abstract
Depression is a common disorder that affects women at twice the rate of men. Here, we report that long non-coding RNAs (lncRNAs), a recently discovered class of regulatory transcripts, represent about one-third of the differentially expressed genes in the brains of depressed humans and display complex region- and sex-specific patterns of regulation. We identified the primate-specific, neuronal-enriched gene LINC00473 as downregulated in prefrontal cortex (PFC) of depressed females but not males. Using viral-mediated gene transfer to express LINC00473 in adult mouse PFC neurons, we mirrored the human sex-specific phenotype by inducing stress resilience solely in female mice. This sex-specific phenotype was accompanied by changes in synaptic function and gene expression selectively in female mice and, along with studies of human neuron-like cells in culture, implicates LINC00473 as a CREB effector. Together, our studies identify LINC00473 as a female-specific driver of stress resilience that is aberrant in female depression.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Animals
- Behavior, Animal
- Depression/genetics
- Depression/metabolism
- Depressive Disorder, Major/genetics
- Depressive Disorder, Major/metabolism
- Down-Regulation
- Female
- Humans
- Male
- Mice
- Mice, Transgenic
- Middle Aged
- Neurons/metabolism
- Prefrontal Cortex/metabolism
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- RNA-Seq
- Resilience, Psychological
- Sex Factors
- Stress, Psychological/genetics
- Stress, Psychological/metabolism
- Young Adult
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Affiliation(s)
- Orna Issler
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Yentl Y van der Zee
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; School for Mental Health and Neuroscience, Department of Psychiatry and Neuropsychology, Maastricht University, 6229 ER, Maastricht, the Netherlands
| | - Aarthi Ramakrishnan
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Junshi Wang
- Department of Neuroscience, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Chunfeng Tan
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yong-Hwee E Loh
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Immanuel Purushothaman
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Deena M Walker
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Zachary S Lorsch
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Peter J Hamilton
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Catherine J Peña
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Erin Flaherty
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Brigham J Hartley
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Angélica Torres-Berrío
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Eric M Parise
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Hope Kronman
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Julia E Duffy
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Molly S Estill
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Erin S Calipari
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Benoit Labonté
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Rachael L Neve
- Gene Delivery Technology Core, Massachusetts General Hospital, Cambridge, MA 02139, USA
| | - Carol A Tamminga
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kristen J Brennand
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Pamela Sklar Division of Psychiatric Genomics, Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Yan Dong
- Department of Neuroscience, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Li Shen
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, 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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28
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Levada OA, Troyan AS, Pinchuk IY. Serum insulin-like growth factor-1 as a potential marker for MDD diagnosis, its clinical characteristics, and treatment efficacy validation: data from an open-label vortioxetine study. BMC Psychiatry 2020; 20:208. [PMID: 32384884 PMCID: PMC7206727 DOI: 10.1186/s12888-020-02636-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 04/30/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND IGF-1 is an essential neurotrophin produced peripherally and in the brain. Impairments in the brain IGF-1 concentrations might be responsible for some aspects of major depressive disorder (MDD) pathogenesis, whereas peripheral IGF-1 could have the marker value. We aimed: 1) to compare serum IGF-1 levels in MDD patients and healthy controls (HC); 2) to elucidate possible associations between changes in IGF-1 expression and crucial characteristics of the current depressive episode, MDD course; 3) to evaluate IGF-1 dynamics after 8 weeks` vortioxetine treatment. METHODS Seventy-eight MDD patients (according to DSM-5) and 47 HC were enrolled. Serum IGF-1, psychopathological (MADRS, CGI) and neuropsychological parameters (PDQ-5, RAVLT, TMT-B, DSST) were analyzed in all subjects at admission and 48 patients after 8 weeks` vortioxetine treatment. AUC-ROCs were calculated to determine if the value of serum IGF-1 could separate MDD patients from HC. Multiple regression models were performed to explore relationships between IGF-1 and depressive episode's symptoms. RESULTS MDD patients had significantly higher serum IGF-1 levels than HC (228 (183-312) ng/ml vs 153 (129-186) ng/ml, p < 0.0001). IGF-1 had a good diagnostic value for predicting MDD in the whole sample with AUC of 0.820 (p < 0.0001). For a cutoff of 178.00 ng/ml, the sensitivity and specificity were 83 and 71%, respectively, and the number needed to misdiagnose was 5, indicating that only 1 of 5 tests give an invalid result. Among MADRS items, only reported sadness, inner tension, and concentration difficulties were significantly positively associated with serum IGF-1 concentrations. Vortioxetine treatment significantly attenuated IGF-1 levels and improved all psychopathological, neuropsychological parameters. CONCLUSIONS Significant associations between IGF-1 levels and hypothymia, anxiety, and cognitive disturbances may indicate a pathogenic role of IGF-1 for the mentioned symptoms. We assume that the activity of the cerebral-hepatic axis increases in response to insufficient IGF-1 brain expression in MDD patients, whereas, vortioxetine treatment restores cerebral IGF-1 concentrations and, consequently, decreases its compensatory production by the liver. TRIAL REGISTRATION registered at ClinicalTrials.gov (NCT03187093). First posted on 14th June 2017.
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Affiliation(s)
- Oleg A. Levada
- State Institution “Zaporizhzhia Medical Academy of Postgraduate Education Ministry of Health of Ukraine”, 20 Winter Boulevard, Zaporizhzhia, 69096 Ukraine
| | - Alexandra S. Troyan
- State Institution “Zaporizhzhia Medical Academy of Postgraduate Education Ministry of Health of Ukraine”, 20 Winter Boulevard, Zaporizhzhia, 69096 Ukraine
| | - Irina Y. Pinchuk
- grid.34555.320000 0004 0385 8248Institute of Psychiatry of Taras Shevchenko National University of Kyiv, 64 Volodymirskaya Street, Kyiv, 01033 Ukraine
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29
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Abstract
The scientific community has searched for years for ways of examining neuronal tissue to track neural activity with reliable anatomical markers for stimulated neuronal activity. Existing studies that focused on hypothalamic systems offer a few options but do not always compare approaches or validate them for dependence on cell firing, leaving the reader uncertain of the benefits and limitations of each method. Thus, in this article, potential markers will be presented and, where possible, placed into perspective in terms of when and how these methods pertain to hypothalamic function. An example of each approach is included. In reviewing the approaches, one is guided through how neurons work, the consequences of their stimulation, and then the potential markers that could be applied to hypothalamic systems are discussed. Approaches will use features of neuronal glucose utilization, water/oxygen movement, changes in neuron-glial interactions, receptor translocation, cytoskeletal changes, stimulus-synthesis coupling that includes expression of the heteronuclear or mature mRNA for transmitters or the enzymes that make them, and changes in transcription factors (immediate early gene products, precursor buildup, use of promoter-driven surrogate proteins, and induced expression of added transmitters. This article includes discussion of methodological limitations and the power of combining approaches to understand neuronal function. © 2020 American Physiological Society. Compr Physiol 10:549-575, 2020.
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Affiliation(s)
- Gloria E. Hoffman
- Department of Biology, Morgan State University, Baltimore, Maryland, USA
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30
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Arc silence aggravates traumatic neuronal injury via mGluR1-mediated ER stress and necroptosis. Cell Death Dis 2020; 11:4. [PMID: 31919348 PMCID: PMC6952410 DOI: 10.1038/s41419-019-2198-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 12/15/2022]
Abstract
Delayed neuronal death is associated with neurological deficits and mortality after traumatic brain injury (TBI), where post-synaptic density (PSD) proteins are thought to play key roles. The immediate-early gene (IEG) coded protein Arc is a brain-specific PSD protein that controls synaptic plasticity and learning behaviors. In this study, we investigated the expression and biological function of Arc in neuronal death after TBI in an in vitro model mimicked by traumatic neuronal injury (TNI) in cortical neurons. TNI caused a temporal increase of Arc expression at 3 and 6 h. Knockdown of Arc expression using small interfering RNA (Si-Arc-3) promoted TNI-induced cytotoxicity and apoptosis. The results of western blot showed that Si-Arc-3 transfection further enhanced the activation of endoplasmic reticulum (ER) stress-associated factors, including glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP) and caspase-12 after TNI. In addition, knockdown of Arc significantly increased expression of (receptor-interacting protein kinase 1) RIP1 and the number of necroptotic cells, which were apparently prevented by necrostatin-1 (Nec-1). The results of immunostaining and western blot showed that knockdown of Arc activated the metabotropic glutamate receptor 1 (mGluR1) and intracellular Ca2+ release in neurons. Mechanistically, the Si-Arc-3-induced activation of ER stress-associated factors, RIP1 expression, apoptosis, and necroptosis were partially reversed by the mGluR1 antagonist AIDA. In summary, our data suggest that silence of Arc expression aggravates neuronal death after TNI by promoting apoptosis and necroptosis. These data support for the first time that Arc may represent a novel candidate for therapies against TBI.
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31
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Penrod RD, Kumar J, Smith LN, McCalley D, Nentwig T, Hughes B, Barry G, Glover K, Taniguchi M, Cowan CW. Activity-regulated cytoskeleton-associated protein (Arc/Arg3.1) regulates anxiety- and novelty-related behaviors. GENES, BRAIN, AND BEHAVIOR 2019; 18:e12561. [PMID: 30761730 PMCID: PMC6692244 DOI: 10.1111/gbb.12561] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 01/19/2019] [Accepted: 02/12/2019] [Indexed: 02/06/2023]
Abstract
The activity-regulated cytoskeleton-associated protein (Arc, also known as Arg3.1) regulates glutamatergic synapse plasticity and has been linked to neuropsychiatric illness; however, its role in behaviors associated with mood and anxiety disorders remains unclear. We find that stress upregulates Arc expression in the adult mouse nucleus accumbens (NAc)-a brain region implicated in mood and anxiety behaviors. Global Arc knockout mice have altered AMPAR-subunit surface levels in the adult NAc, and the Arc-deficient mice show reductions in anxiety-like behavior, deficits in social novelty preference, and antidepressive-like behavior. Viral-mediated expression of Arc in the adult NAc of male, global Arc KO mice restores normal levels of anxiety-like behavior in the elevated plus maze (EPM). Consistent with this finding, viral-mediated reduction of Arc in the adult NAc reduces anxiety-like behavior in male, but not female, mice in the EPM. NAc-specific reduction of Arc also produced significant deficits in both object and social novelty preference tasks. Together our findings indicate that Arc is essential for regulating normal mood- and anxiety-related behaviors and novelty discrimination, and that Arc's function within the adult NAc contributes to these behavioral effects.
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Affiliation(s)
- Rachel D. Penrod
- Departments of Neuroscience and Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston SC 29425
- Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont MA 02478
| | - Jaswinder Kumar
- Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont MA 02478
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas TX 75390-9070
| | - Laura N. Smith
- Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont MA 02478
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas TX 75390-9070
| | - Daniel McCalley
- Departments of Neuroscience and Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston SC 29425
| | - Todd Nentwig
- Departments of Neuroscience and Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston SC 29425
| | - Brandon Hughes
- Departments of Neuroscience and Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston SC 29425
| | - Gabriella Barry
- Department of Science and Mathematics, Honors College, College of Charleston, Charleston SC 29424
| | - Kelsey Glover
- Department of Science and Mathematics, Honors College, College of Charleston, Charleston SC 29424
| | - Makoto Taniguchi
- Departments of Neuroscience and Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston SC 29425
- Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont MA 02478
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas TX 75390-9070
| | - Christopher W. Cowan
- Departments of Neuroscience and Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston SC 29425
- Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont MA 02478
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas TX 75390-9070
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32
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DNA damage accumulation during fractionated low-dose radiation compromises hippocampal neurogenesis. Radiother Oncol 2019; 137:45-54. [DOI: 10.1016/j.radonc.2019.04.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/22/2019] [Accepted: 04/18/2019] [Indexed: 01/08/2023]
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33
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Troyner F, Bicca MA, Bertoglio LJ. Nucleus reuniens of the thalamus controls fear memory intensity, specificity and long-term maintenance during consolidation. Hippocampus 2019; 28:602-616. [PMID: 29747244 DOI: 10.1002/hipo.22964] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 05/04/2018] [Accepted: 05/07/2018] [Indexed: 01/05/2023]
Abstract
The thalamic nucleus reuniens (NR) has been shown to support bidirectional medial prefrontal cortex-hippocampus communication and synchronization relevant for cognitive processing. Using non-selective or prolonged inactivation of the NR, previous studies reported its activity positively modulates aversive memory consolidation. Here we examined the NR's role in consolidating contextual fear memories with varied strength, at both recent and more remote time points, using muscimol-induced temporary inactivation in rats. Results indicate the NR negatively modulates fear memory intensity, specificity, and long-term maintenance. The more intense, generalized, and enduring fear memory induced by NR inactivation during consolidation was less prone to behavioral suppression by extinction or reconsolidation disruption induced by clonidine, an alpha-2 adrenergic receptor agonist. Lastly, we used immunohistochemistry for Arc protein, which is involved in synaptic modifications underlying memory consolidation, to investigate whether treatment condition and/or conditioning status could change its levels not only in the NR, but also in the hippocampus (dorsal and ventral CA1 subregions) and the medial prefrontal cortex (anterior cingulate, prelimbic and infralimbic subregions). Results indicate a significant imbalance in the number of Arc-expressing neurons in the brain areas investigated in muscimol fear conditioned animals when compared with controls. Collectively, present results provide convergent evidence for the NR's role as a hub regulating quantitative and qualitative aspects of a contextual fear memory during its consolidation that seem to influence the subsequent susceptibility to experimental interventions aiming at attenuating its expression. They also indicate the selectivity and duration of a given inactivation approach may influence its outcomes.
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Affiliation(s)
- Fernanda Troyner
- Departmento de Farmacologia, Universidade Federal de Santa Catarina, Florianopolis, SC, Brazil
| | - Maíra A Bicca
- Departmento de Farmacologia, Universidade Federal de Santa Catarina, Florianopolis, SC, Brazil
| | - Leandro J Bertoglio
- Departmento de Farmacologia, Universidade Federal de Santa Catarina, Florianopolis, SC, Brazil
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34
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Huang L, Su J, Bu L, Tong J, Wang J, Yang Y, Wang Z, Wang H, Li H, Ma Y, Yu M, Fei J, Huang F. The pretreatment of chronic restraint stress exerts little impact on the progression of heart failure in mice. Acta Biochim Biophys Sin (Shanghai) 2019; 51:204-215. [PMID: 30649153 DOI: 10.1093/abbs/gmy168] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 11/30/2018] [Accepted: 12/01/2018] [Indexed: 11/13/2022] Open
Abstract
Stress is a potent risk factor for depression. Chronic stress can exacerbate and induce symptoms of depression. Clinical studies suggested that depressive patients are more likely to develop coronary artery diseases. However, the causal relationship between depression and heart failure progression remains unclear. In this study, we aimed to explore the relevance between stress and heart failure (HF) in a mouse model subjected to chronic restraint stress and left anterior descending coronary artery (LAD) ligation. Mice were restrained for 3 h daily for 21 days and the processes were repeated once 3 months later. After the repeated chronic restraint stress, mice showed dramatically increased immobility time in the forced swim test, indicating a state of despair. Restrained and control mice were further subjected to LAD ligation surgery. Echocardiography was conducted 1 week, 2 weeks, and 1 month afterward. LAD-operated mice showed a significant decrease in the values of left ventricular ejection fraction (LVEF), and there was no difference in the LVEF values between the restrained and control mice. Relevant gene expression, neurotransmitter system, glial activation, and morphology of the heart-brain axis were comprehensively evaluated. We found no overall differences between the restrained and control mice with HF. Our results revealed that the repeated chronic restraint stress may have little effects on the progression of heart failure.
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Affiliation(s)
- Li Huang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Jing Su
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Liping Bu
- Department of Cardiology and Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiabin Tong
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Jinghui Wang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Yufang Yang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Zishan Wang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Haoyue Wang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Heng Li
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Yuanyuan Ma
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Mei Yu
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
| | - Jian Fei
- School of Life Science and Technology, Tongji University, Shanghai, China
- Shanghai Research Center for Model Organisms, Shanghai, China
| | - Fang Huang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology & Institutes of Brain Science, Fudan University, Shanghai, China
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Meloni EG, Kaye KT, Venkataraman A, Carlezon WA. PACAP increases Arc/Arg 3.1 expression within the extended amygdala after fear conditioning in rats. Neurobiol Learn Mem 2018; 157:24-34. [PMID: 30458282 DOI: 10.1016/j.nlm.2018.11.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 11/09/2018] [Accepted: 11/16/2018] [Indexed: 11/24/2022]
Abstract
The stress-related neuropeptide pituitary adenylate cyclase-activating polypeptide (PACAP) is implicated in neuromodulation of learning and memory. PACAP can alter synaptic plasticity and has direct actions on neurons in the amygdala and hippocampus that could contribute to its acute and persistent effects on the consolidation and expression of conditioned fear. We recently demonstrated that intracerebroventricular (ICV) infusion of PACAP prior to fear conditioning (FC) results in initial amnestic-like effects followed by hyper-expression of conditioned freezing with repeated testing, and analyses of immediate-early gene c-Fos expression suggested that the central nucleus of the amygdala (CeA), but not the lateral/basolateral amygdala (LA/BLA) or hippocampus, are involved in these PACAP effects. Here, we extend that work by examining the expression of the synaptic plasticity marker activity-regulated cytoskeleton-associated protein (Arc/Arg 3.1) after PACAP administration and FC. Male Sprague-Dawley rats were implanted with cannula for ICV infusion of PACAP-38 (1.5 µg) or vehicle followed by FC and tests for conditioned freezing. One hour after FC, Arc protein expression was significantly elevated in the CeA and bed nucleus of the stria terminalis (BNST), interconnected structures that are key elements of the extended amygdala, in rats that received the combination of PACAP + FC. In contrast, Arc expression within the subdivisions of the hippocampus, or the LA/BLA, were unchanged. A subpopulation of Arc-positive cells in both the CeA and BNST also express PKCdelta, an intracellular marker that has been used to identify microcircuits that gate conditioned fear in the CeA. Consistent with our previous findings, on the following day conditioned freezing behavior was reduced in rats that had been given the combination of PACAP + FC-an amnestic-like effect-and Arc expression levels had returned to baseline. Given the established role of Arc in modifying synaptic plasticity and memory formation, our findings suggest that PACAP-induced overexpression of Arc following fear conditioning may disrupt neuroplastic changes within populations of CeA and BNST neurons normally responsible for encoding fear-related cues that, in this case, results in altered fear memory consolidation. Hence, PACAP systems may represent an axis on which stress and experience-driven neurotransmission converge to alter emotional memory, and mediate pathologies that are characteristic of psychiatric illnesses such as post-traumatic stress disorder.
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Affiliation(s)
- Edward G Meloni
- Department of Psychiatry, Harvard Medical School and McLean Hospital, Belmont, MA 02478, United States.
| | - Karen T Kaye
- Department of Psychiatry, Harvard Medical School and McLean Hospital, Belmont, MA 02478, United States
| | - Archana Venkataraman
- Department of Psychiatry, Harvard Medical School and McLean Hospital, Belmont, MA 02478, United States
| | - William A Carlezon
- Department of Psychiatry, Harvard Medical School and McLean Hospital, Belmont, MA 02478, United States
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Calabrò M, Fabbri C, Crisafulli C, Albani D, Forloni G, Kasper S, Sidoti A, Velardi E, Zohar J, Juven-Wetzler A, Souery D, Montgomery S, Mendlewicz J, Serretti A. The serotonin transporter and the activity regulated cytoskeleton-associated protein genes in antidepressant response and resistance: 5-HTTLPR and other variants. Hum Psychopharmacol 2018; 33:e2682. [PMID: 30426571 DOI: 10.1002/hup.2682] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 10/05/2018] [Accepted: 10/08/2018] [Indexed: 01/14/2023]
Affiliation(s)
- Marco Calabrò
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Chiara Fabbri
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
| | - Concetta Crisafulli
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Diego Albani
- Laboratory of Biology of Neurodegenerative Disorders, Neuroscience Department, IRCCS Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Gianluigi Forloni
- Laboratory of Biology of Neurodegenerative Disorders, Neuroscience Department, IRCCS Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Siegfried Kasper
- Department of Psychiatry and Psychotherapy, Medical University Vienna, Vienna, Austria
| | - Antonina Sidoti
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Elvira Velardi
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Joseph Zohar
- Department of Psychiatry, Sheba Medical Center, Tel Hashomer, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Alzbeta Juven-Wetzler
- Department of Psychiatry, Sheba Medical Center, Tel Hashomer, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Daniel Souery
- Laboratoire de Psychologie Medicale, Universitè Libre de Bruxelles and Psy Pluriel, Centre Européen de Psychologie Medicale, Brussels, Belgium
| | | | | | - Alessandro Serretti
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
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Pujol CN, Pellissier LP, Clément C, Becker JAJ, Le Merrer J. Back-translating behavioral intervention for autism spectrum disorders to mice with blunted reward restores social abilities. Transl Psychiatry 2018; 8:197. [PMID: 30242222 PMCID: PMC6155047 DOI: 10.1038/s41398-018-0247-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 07/31/2018] [Accepted: 08/05/2018] [Indexed: 12/12/2022] Open
Abstract
The mu opioid receptor (MOR) plays a critical role in modulating social behavior in humans and animals. Accordingly, MOR null mice display severe alterations in their social repertoire as well as multiple other behavioral deficits, recapitulating core and secondary symptoms of autism spectrum disorder (ASD). Such behavioral profile suggests that MOR dysfunction, and beyond this, altered reward processes may contribute to ASD etiopathology. Interestingly, the only treatments that proved efficacy in relieving core symptoms of ASD, early behavioral intervention programs, rely principally on positive reinforcement to ameliorate behavior. The neurobiological underpinnings of their beneficial effects, however, remain poorly understood. Here we back-translated applied behavior analysis (ABA)-based behavioral interventions to mice lacking the MOR (Oprm1-/-), as a model of autism with blunted reward processing. By associating a positive reinforcement, palatable food reward, to daily encounter with a wild-type congener, we were able to rescue durably social interaction and preference in Oprm1-/- mice. Along with behavioral improvements, the expression of marker genes of neuronal activity and plasticity as well as genes of the oxytocin/vasopressin system were remarkably normalized in the reward/social circuitry. Our study provides further evidence for a critical involvement of reward processes in driving social behavior and opens new perspectives regarding therapeutic intervention in ASD.
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Affiliation(s)
- Camille N. Pujol
- 0000 0001 2157 9291grid.11843.3fMédecine Translationelle et Neurogénétique, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Inserm U-964, CNRS UMR-7104, Université de Strasbourg, Illkirch, France ,0000 0004 0383 2080grid.461890.2Present Address: Département de Neurosciences, Institut de Génomique fonctionnelle, Inserm U-661, CNRS UMR 5203, 34094 Montpellier, France
| | - Lucie P. Pellissier
- 0000 0001 2182 6141grid.12366.30Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, IFCE, Université de Tours, Inserm, Nouzilly, France ,0000 0004 0383 2080grid.461890.2Present Address: Département de Neurosciences, Institut de Génomique fonctionnelle, Inserm U-661, CNRS UMR 5203, 34094 Montpellier, France
| | - Céline Clément
- 0000 0001 2157 9291grid.11843.3fLaboratoire Interuniversitaire en Sciences de l’Education et de la Communication, EA 2310, Université de Strasbourg, Strasbourg, France
| | - Jérôme A. J. Becker
- 0000 0001 2157 9291grid.11843.3fMédecine Translationelle et Neurogénétique, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Inserm U-964, CNRS UMR-7104, Université de Strasbourg, Illkirch, France ,0000 0001 2182 6141grid.12366.30Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, IFCE, Université de Tours, Inserm, Nouzilly, France ,0000 0004 0383 2080grid.461890.2Present Address: Département de Neurosciences, Institut de Génomique fonctionnelle, Inserm U-661, CNRS UMR 5203, 34094 Montpellier, France
| | - Julie Le Merrer
- Médecine Translationelle et Neurogénétique, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Inserm U-964, CNRS UMR-7104, Université de Strasbourg, Illkirch, France. .,Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, IFCE, Université de Tours, Inserm, Nouzilly, France.
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38
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Dong E, Guidotti A, Zhang H, Pandey SC. Prenatal stress leads to chromatin and synaptic remodeling and excessive alcohol intake comorbid with anxiety-like behaviors in adult offspring. Neuropharmacology 2018; 140:76-85. [PMID: 30016666 PMCID: PMC6499375 DOI: 10.1016/j.neuropharm.2018.07.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 06/01/2018] [Accepted: 07/07/2018] [Indexed: 12/16/2022]
Abstract
Epidemiologic evidence suggests that individuals during their prenatal development may be especially vulnerable to the effects of environmental factors such as stress that predisposes them to psychiatric disorders including alcohol use disorder (AUD) later in life. Currently, the epigenetic mechanisms of anxiety comorbid with AUD induced by prenatal stress (PRS) remain to be elucidated. Here, we examined anxiety-like and alcohol drinking behaviors in adult offspring of prenatally stressed dam (PRS-mice) using elevated plus maze, light/dark box and two-bottle free-choice paradigm. It was found that PRS-mice exhibit heightened anxiety-like behaviors and increased alcohol intake in adulthood and these behavioral deficits were associated with a significant decrease in dendritic spine density (DSD) in medial prefrontal cortex (mPFC) relative to non-stressed mice (NS mice). To determine the mechanisms by which PRS reduces DSD, we examined the expressions of key genes associated with synaptic plasticity, including activity regulated cytoskeleton associated protein (Arc), spinophilin (Spn), postsynaptic density 95 (Psd95), tropomyosin receptor kinase B (TrkB), protein kinase B (Akt), mammalian target of rapamycin (mTOR) and period 2 (Per2) in mPFC of PRS and NS mice. The mRNA levels of these genes were significantly decreased in PRS mice. Methylated DNA and chromatin immunoprecipitation studies revealed hyper DNA methylation or reduced histone H3K14 acetylation on promoters of above genes suggesting that epigenetic dysregulation may be responsible for the deficits in their expression. Findings from this study suggest that prenatal stress induced abnormal epigenetic mechanisms and synaptic plasticity-related events may be associated with anxiety-like and alcohol drinking behaviors in adulthood.
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Affiliation(s)
- Erbo Dong
- Center for Alcohol Research in Epigenetics, Psychiatric Institute, Department of Psychiatry, College of Medicine, University of Illinois at Chicago IL, 60612, USA.
| | - Alessandro Guidotti
- Center for Alcohol Research in Epigenetics, Psychiatric Institute, Department of Psychiatry, College of Medicine, University of Illinois at Chicago IL, 60612, USA
| | - Huaibo Zhang
- Center for Alcohol Research in Epigenetics, Psychiatric Institute, Department of Psychiatry, College of Medicine, University of Illinois at Chicago IL, 60612, USA; Jesse Brown VA Medical Center, Chicago IL, 60612, USA
| | - Subhash C Pandey
- Center for Alcohol Research in Epigenetics, Psychiatric Institute, Department of Psychiatry, College of Medicine, University of Illinois at Chicago IL, 60612, USA; Jesse Brown VA Medical Center, Chicago IL, 60612, USA
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Díaz-Hung ML, Ruiz-Fuentes JL, Díaz-García A, León-Martínez R, Alberti-Amador E, Pavón-Fuentes N, Blanco-Lezcano L. Impairment in exploratory behavior is associated with arc gene overexpression in the dorsolateral striatum of rats with nigral injection of l-buthionine sulfoximine. Neurosci Lett 2018; 687:26-30. [PMID: 30223000 DOI: 10.1016/j.neulet.2018.09.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/06/2018] [Accepted: 09/13/2018] [Indexed: 01/01/2023]
Abstract
The aims of the present work were to evaluate the exploratory activity in Sprague-Dawley rats, as well as to analyze the nigral and striatal mRNA expression of the plasticity-related genes bdnf and arc after L-buthionine sulfoximine (BSO) injection into substantia nigra compacta. Lesioned rats traveled less distance in open field but did not show a decline in the novel object recognition test. On the other hand, RT-PCR analysis showed overexpression of striatal arc 24 h post-lesion; no significant changes in bdnf expression were observed in nigral or striatal tissue. These results suggest that intranigral BSO injection causes impairment in exploratory behavior in these rats, by affecting locomotion, which is associated with changes in striatal synaptic plasticity.
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Affiliation(s)
- M L Díaz-Hung
- International Center for Neurological Restoration (CIREN), Havana, Cuba.
| | | | - A Díaz-García
- Pharmaceutics Biological Laboratories (LABIOFAM), Havana, Cuba
| | - R León-Martínez
- Departament of Molecular and Celular Biology, Faculty of Biology, Pontifical Catholic University of Chile, Santiago de Chile, Chile
| | - E Alberti-Amador
- International Center for Neurological Restoration (CIREN), Havana, Cuba
| | - N Pavón-Fuentes
- International Center for Neurological Restoration (CIREN), Havana, Cuba
| | - L Blanco-Lezcano
- International Center for Neurological Restoration (CIREN), Havana, Cuba
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40
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Thomas TC, Stockhausen EM, Law LM, Khodadad A, Lifshitz J. Rehabilitation modality and onset differentially influence whisker sensory hypersensitivity after diffuse traumatic brain injury in the rat. Restor Neurol Neurosci 2018; 35:611-629. [PMID: 29036852 DOI: 10.3233/rnn-170753] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND As rehabilitation strategies advance as therapeutic interventions, the modality and onset of rehabilitation after traumatic brain injury (TBI) are critical to optimize treatment. Our laboratory has detected and characterized a late-onset, long-lasting sensory hypersensitivity to whisker stimulation in diffuse brain-injured rats; a deficit that is comparable to visual or auditory sensory hypersensitivity in humans with an acquired brain injury. OBJECTIVE We hypothesize that the modality and onset of rehabilitation therapies will differentially influence sensory hypersensitivity in response to the Whisker Nuisance Task (WNT) as well as WNT-induced corticosterone (CORT) stress response in diffuse brain-injured rats and shams. METHODS After midline fluid percussion brain injury (FPI) or sham surgery, rats were assigned to one of four rehabilitative interventions: (1) whisker sensory deprivation during week one or (2) week two or (3) whisker stimulation during week one or (4) week two. At 28 days following FPI and sham procedures, sensory hypersensitivity was assessed using the WNT. Plasma CORT was evaluated immediately following the WNT (aggravated levels) and prior to the pre-determined endpoint 24 hours later (non-aggravated levels). RESULTS Deprivation therapy during week two elicited significantly greater sensory hypersensitivity to the WNT compared to week one (p < 0.05), and aggravated CORT levels in FPI rats were significantly lower than sham levels. Stimulation therapy during week one resulted in low levels of sensory hypersensitivity to the WNT, similar to deprivation therapy and naïve controls, however, non-aggravated CORT levels in FPI rats were significantly higher than sham. CONCLUSION These data indicate that modality and onset of sensory rehabilitation can differentially influence FPI and sham rats, having a lasting impact on behavioral and stress responses to the WNT, emphasizing the necessity for continued evaluation of modality and onset of rehabilitation after TBI.
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Affiliation(s)
- Theresa Currier Thomas
- Barrow Neurological Institute at Phoenix Children's Hospital - Phoenix, AZ, USA.,Department of Child Health, University of Arizona College of Medicine - Phoenix, AZ, USA.,Phoenix VA Healthcare System - Phoenix, AZ, USA.,Spinal Cord and Brain Injury Research Center, University of Kentucky Chandler Medical Center - Lexington, KY, USA
| | - Ellen Magee Stockhausen
- Core Medical Group, Manchester, NH, USA.,Spinal Cord and Brain Injury Research Center, University of Kentucky Chandler Medical Center - Lexington, KY, USA
| | - L Matthew Law
- Barrow Neurological Institute at Phoenix Children's Hospital - Phoenix, AZ, USA.,Department of Child Health, University of Arizona College of Medicine - Phoenix, AZ, USA
| | - Aida Khodadad
- Barrow Neurological Institute at Phoenix Children's Hospital - Phoenix, AZ, USA.,Department of Child Health, University of Arizona College of Medicine - Phoenix, AZ, USA
| | - Jonathan Lifshitz
- Barrow Neurological Institute at Phoenix Children's Hospital - Phoenix, AZ, USA.,Department of Child Health, University of Arizona College of Medicine - Phoenix, AZ, USA.,Phoenix VA Healthcare System - Phoenix, AZ, USA.,Neuroscience Program, Arizona State University - Tempe, AZ, USA.,Spinal Cord and Brain Injury Research Center, University of Kentucky Chandler Medical Center - Lexington, KY, USA
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41
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Newpher TM, Harris S, Pringle J, Hamilton C, Soderling S. Regulation of spine structural plasticity by Arc/Arg3.1. Semin Cell Dev Biol 2018; 77:25-32. [DOI: 10.1016/j.semcdb.2017.09.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 09/12/2017] [Accepted: 09/14/2017] [Indexed: 12/12/2022]
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Grassi D, Franz H, Vezzali R, Bovio P, Heidrich S, Dehghanian F, Lagunas N, Belzung C, Krieglstein K, Vogel T. Neuronal Activity, TGFβ-Signaling and Unpredictable Chronic Stress Modulate Transcription of Gadd45 Family Members and DNA Methylation in the Hippocampus. Cereb Cortex 2018; 27:4166-4181. [PMID: 28444170 DOI: 10.1093/cercor/bhx095] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 04/04/2017] [Indexed: 02/06/2023] Open
Abstract
Neuronal activity is altered in several neurological and psychiatric diseases. Upon depolarization not only neurotransmitters are released but also cytokines and other activators of signaling cascades. Unraveling their complex implication in transcriptional control in receiving cells will contribute to understand specific central nervous system (CNS) pathologies and will be of therapeutically interest. In this study we depolarized mature hippocampal neurons in vitro using KCl and revealed increased release not only of brain-derived neurotrophic factor (BDNF) but also of transforming growth factor beta (TGFB). Neuronal activity together with BDNF and TGFB controls transcription of DNA modifying enzymes specifically members of the DNA-damage-inducible (Gadd) family, Gadd45a, Gadd45b, and Gadd45g. MeDIP followed by massive parallel sequencing and transcriptome analyses revealed less DNA methylation upon KCl treatment. Psychiatric disorder-related genes, namely Tshz1, Foxn3, Jarid2, Per1, Map3k5, and Arc are transcriptionally activated and demethylated upon neuronal activation. To analyze whether misexpression of Gadd45 family members are associated with psychiatric diseases, we applied unpredictable chronic mild stress (UCMS) as established model for depression to mice. UCMS led to reduced expression of Gadd45 family members. Taken together, our data demonstrate that Gadd45 family members are new putative targets for UCMS treatments.
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Affiliation(s)
- Daniela Grassi
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany.,Department of Basic Biomedical Sciences, Faculty of Biomedical Science and Health, Universidad Europea de Madrid, Madrid, Spain
| | - Henriette Franz
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Riccardo Vezzali
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Patrick Bovio
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany.,Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
| | - Stefanie Heidrich
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Fariba Dehghanian
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Natalia Lagunas
- Inserm U 930, Université François Rabelais, 37200 Tours, France
| | | | - Kerstin Krieglstein
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany.,BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany
| | - Tanja Vogel
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
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Gallo FT, Katche C, Morici JF, Medina JH, Weisstaub NV. Immediate Early Genes, Memory and Psychiatric Disorders: Focus on c-Fos, Egr1 and Arc. Front Behav Neurosci 2018; 12:79. [PMID: 29755331 PMCID: PMC5932360 DOI: 10.3389/fnbeh.2018.00079] [Citation(s) in RCA: 214] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 04/10/2018] [Indexed: 01/08/2023] Open
Abstract
Many psychiatric disorders, despite their specific characteristics, share deficits in the cognitive domain including executive functions, emotional control and memory. However, memory deficits have been in many cases undervalued compared with other characteristics. The expression of Immediate Early Genes (IEGs) such as, c-fos, Egr1 and arc are selectively and promptly upregulated in learning and memory among neuronal subpopulations in regions associated with these processes. Changes in expression in these genes have been observed in recognition, working and fear related memories across the brain. Despite the enormous amount of data supporting changes in their expression during learning and memory and the importance of those cognitive processes in psychiatric conditions, there are very few studies analyzing the direct implication of the IEGs in mental illnesses. In this review, we discuss the role of some of the most relevant IEGs in relation with memory processes affected in psychiatric conditions.
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Affiliation(s)
- Francisco T Gallo
- Instituto de Fisiología y Biofísica Bernardo Houssay, Departamento de Fisiología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Cynthia Katche
- Instituto de Biología Celular y Neurociencias (IBCN) Dr. Eduardo de Robertis, Facultad de Medicina, CONICET, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Juan F Morici
- Instituto de Fisiología y Biofísica Bernardo Houssay, Departamento de Fisiología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Jorge H Medina
- Instituto de Biología Celular y Neurociencias (IBCN) Dr. Eduardo de Robertis, Facultad de Medicina, CONICET, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina.,Departamento de Fisiología, Facultad de Medicina, Universidad de Buenos (UBA), Buenos Aires, Argentina
| | - Noelia V Weisstaub
- Instituto de Fisiología y Biofísica Bernardo Houssay, Departamento de Fisiología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
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44
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Hypothermia induced by anesthesia regulates various signals expressions in the hippocampus of animals. Biomed Pharmacother 2017; 95:1321-1330. [DOI: 10.1016/j.biopha.2017.09.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 09/02/2017] [Accepted: 09/10/2017] [Indexed: 01/17/2023] Open
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45
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Wilkerson JR, Albanesi JP, Huber KM. Roles for Arc in metabotropic glutamate receptor-dependent LTD and synapse elimination: Implications in health and disease. Semin Cell Dev Biol 2017; 77:51-62. [PMID: 28969983 DOI: 10.1016/j.semcdb.2017.09.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 09/21/2017] [Accepted: 09/26/2017] [Indexed: 10/18/2022]
Abstract
The Arc gene is robustly transcribed in specific neural ensembles in response to experience-driven activity. Upon induction, Arc mRNA is transported to dendrites, where it can be rapidly and locally translated by activation of metabotropic glutamate receptors (mGluR1/5). mGluR-induced dendritic synthesis of Arc is implicated in weakening or elimination of excitatory synapses by triggering endocytosis of postsynaptic AMPARs in both hippocampal CA1 and cerebellar Purkinje neurons. Importantly, CA1 neurons with experience-induced Arc mRNA are susceptible, or primed for mGluR-induced long-term synaptic depression (mGluR-LTD). Here we review mechanisms and function of Arc in mGluR-LTD and synapse elimination and propose roles for these forms of plasticity in Arc-dependent formation of sparse neural representations of learned experience. We also discuss accumulating evidence linking dysregulation of Arc and mGluR-LTD in human cognitive disorders such as intellectual disability, autism and Alzheimer's disease.
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Affiliation(s)
- Julia R Wilkerson
- Departments of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States
| | - Joseph P Albanesi
- Departments of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States
| | - Kimberly M Huber
- Departments of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States.
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Managò F, Papaleo F. Schizophrenia: What's Arc Got to Do with It? Front Behav Neurosci 2017; 11:181. [PMID: 28979198 PMCID: PMC5611489 DOI: 10.3389/fnbeh.2017.00181] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 09/11/2017] [Indexed: 01/08/2023] Open
Abstract
Human studies of schizophrenia are now reporting a previously unidentified genetic convergence on postsynaptic signaling complexes such as the activity-regulated cytoskeletal-associated (Arc) gene. However, because this evidence is still very recent, the neurobiological implication of Arc in schizophrenia is still scattered and unrecognized. Here, we first review current and developing findings connecting Arc in schizophrenia. We then highlight recent and previous findings from preclinical mouse models that elucidate how Arc genetic modifications might recapitulate schizophrenia-relevant behavioral phenotypes following the novel Research Domain Criteria (RDoC) framework. Building on this, we finally compare and evaluate several lines of evidence demonstrating that Arc genetics can alter both glutamatergic and dopaminergic systems in a very selective way, again consistent with molecular alterations characteristic of schizophrenia. Despite being only initial, accumulating and compelling data are showing that Arc might be one of the primary biological players in schizophrenia. Synaptic plasticity alterations in the genetic architecture of psychiatric disorders might be a rule, not an exception. Thus, we anticipate that additional evidence will soon emerge to clarify the Arc-dependent mechanisms involved in the psychiatric-related dysfunctional behavior.
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Affiliation(s)
- Francesca Managò
- Department of Neuroscience and Brain Technologies, Istituto Italiano di TecnologiaGenova, Italy
| | - Francesco Papaleo
- Department of Neuroscience and Brain Technologies, Istituto Italiano di TecnologiaGenova, Italy
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Chen T, Zhu J, Yang LK, Feng Y, Lin W, Wang YH. Glutamate-induced rapid induction of Arc/Arg3.1 requires NMDA receptor-mediated phosphorylation of ERK and CREB. Neurosci Lett 2017; 661:23-28. [PMID: 28919534 DOI: 10.1016/j.neulet.2017.09.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 09/09/2017] [Accepted: 09/11/2017] [Indexed: 01/03/2023]
Abstract
Arc/Arg3.1 is a unique immediate early gene whose expression is highly dynamic and correlated with various forms of synaptic plasticity. Many previous reports highlight the complexity of mechanisms that regulate Arc/Arg3.1 expression in neurons. In the present study, the expression and regulation of Arc/Arg3.1 after glutamate treatment in primary cultured cortical neurons were investigated. We found that both Arc/Arg3.1 mRNA and Arc/Arg3.1 protein dynamically increased within 24h after glutamate treatment. The results of immunostaining showed that abundant amounts of Arc/Arg3.1 protein are presented in both soma and dendrites. The glutamate-induced increase in Arc/Arg3.1 protein levels was partially prevented by the NMDAR inhibitor DL-AP5, but not the AMPAR inhibitor NBQX. The results of calcium imaging showed that glutamate induced significant increases in intracellular calcium levels in a NMDAR-dependent manner. However, the intracellular calcium chelator BAPTA-AM had no effect on glutamate-induced upregulation of Arc/Arg3.1 protein, and alteration of cytosolic calcium ion homeostasis with A23187 and TG did not change Arc/Arg3.1 protein levels. In addition, the phosphorylation of ERK and CREB, two downstream factors of NMDAR signaling, markedly increased after glutamate exposure. Blocking ERK and CREB activation via selective inhibitors partially prevented the glutamate-induced elevation of Arc/Arg3.1 protein levels. Combined observations support a NMDAR-mediated and calcium-independent mechanism by which glutamate increases Arc/Arg3.1 expression in cortical neurons.
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Affiliation(s)
- Tao Chen
- Department of Neurosurgery, The 101th Hospital of PLA, School of Medicine, Anhui Medical University, Wuxi, Jiangsu 214044, China; Department of Neurosurgery, The 123th Hospital of PLA, Bengbu, Anhui 233000, China
| | - Jie Zhu
- Department of Neurosurgery, The 101th Hospital of PLA, School of Medicine, Anhui Medical University, Wuxi, Jiangsu 214044, China
| | - Li-Kun Yang
- Department of Neurosurgery, The 101th Hospital of PLA, School of Medicine, Anhui Medical University, Wuxi, Jiangsu 214044, China
| | - Yi Feng
- Department of Neurosurgery, The 101th Hospital of PLA, School of Medicine, Anhui Medical University, Wuxi, Jiangsu 214044, China
| | - Wei Lin
- Department of Neurosurgery, The 101th Hospital of PLA, School of Medicine, Anhui Medical University, Wuxi, Jiangsu 214044, China
| | - Yu-Hai Wang
- Department of Neurosurgery, The 101th Hospital of PLA, School of Medicine, Anhui Medical University, Wuxi, Jiangsu 214044, China.
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48
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Wall MJ, Corrêa SAL. The mechanistic link between Arc/Arg3.1 expression and AMPA receptor endocytosis. Semin Cell Dev Biol 2017; 77:17-24. [PMID: 28890421 DOI: 10.1016/j.semcdb.2017.09.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 09/06/2017] [Accepted: 09/06/2017] [Indexed: 02/06/2023]
Abstract
The activity-regulated cytoskeleton associated protein (Arc/Arg3.1) plays a key role in determining synaptic strength through facilitation of AMPA receptor (AMPAR) endocytosis. Although there is considerable data on the mechanism by which Arc induction controls synaptic plasticity and learning behaviours, several key mechanistic questions remain. Here we review data on the link between Arc expression and the clathrin-mediated endocytic pathway which internalises AMPARs and discuss the significance of Arc binding to the clathrin adaptor protein 2 (AP-2) and to endophilin/dynamin. We consider which AMPAR subunits are selected for Arc-mediated internalisation, implications for synaptic function and consider Arc as a therapeutic target.
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Affiliation(s)
- Mark J Wall
- School of Life Sciences, University of Warwick, United Kingdom.
| | - Sonia A L Corrêa
- School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford, United Kingdom.
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Pacheco A, Aguayo FI, Aliaga E, Muñoz M, García-Rojo G, Olave FA, Parra-Fiedler NA, García-Pérez A, Tejos-Bravo M, Rojas PS, Parra CS, Fiedler JL. Chronic Stress Triggers Expression of Immediate Early Genes and Differentially Affects the Expression of AMPA and NMDA Subunits in Dorsal and Ventral Hippocampus of Rats. Front Mol Neurosci 2017; 10:244. [PMID: 28848384 PMCID: PMC5554379 DOI: 10.3389/fnmol.2017.00244] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Accepted: 07/20/2017] [Indexed: 12/12/2022] Open
Abstract
Previous studies in rats have demonstrated that chronic restraint stress triggers anhedonia, depressive-like behaviors, anxiety and a reduction in dendritic spine density in hippocampal neurons. In this study, we compared the effect of repeated stress on the expression of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) and N-methyl-D-aspartate (NMDA) receptor subunits in dorsal and ventral hippocampus (VH). Adult male Sprague-Dawley rats were randomly divided into control and stressed groups, and were daily restrained in their motion (2.5 h/day) during 14 days. We found that chronic stress promotes an increase in c-Fos mRNA levels in both hippocampal areas, although it was observed a reduction in the immunoreactivity at pyramidal cell layer. Furthermore, Arc mRNAs levels were increased in both dorsal and VH, accompanied by an increase in Arc immunoreactivity in dendritic hippocampal layers. Furthermore, stress triggered a reduction in PSD-95 and NR1 protein levels in whole extract of dorsal and VH. Moreover, a reduction in NR2A/NR2B ratio was observed only in dorsal pole. In synaptosomal fractions, we detected a rise in NR1 in dorsal hippocampus (DH). By indirect immunofluorescence we found that NR1 subunits rise, especially in neuropil areas of dorsal, but not VH. In relation to AMPA receptor (AMPAR) subunits, chronic stress did not trigger any change, either in dorsal or ventral hippocampal areas. These data suggest that DH is more sensitive than VH to chronic stress exposure, mainly altering the expression of NMDA receptor (NMDAR) subunits, and probably favors changes in the configuration of this receptor that may influence the function of this area.
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Affiliation(s)
- Anibal Pacheco
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Felipe I Aguayo
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Esteban Aliaga
- Department of Kinesiology, Faculty of Health Sciences, Universidad Católica del MauleTalca, Chile
| | - Mauricio Muñoz
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Gonzalo García-Rojo
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Felipe A Olave
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Nicolas A Parra-Fiedler
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Alexandra García-Pérez
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Macarena Tejos-Bravo
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Paulina S Rojas
- Faculty of Medicine, School of Pharmacy, Universidad Andres BelloSantiago, Chile
| | - Claudio S Parra
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
| | - Jenny L Fiedler
- Laboratory of Neuroplasticity and Neurogenetics, Faculty of Chemical and Pharmaceutical Sciences, Department of Biochemistry and Molecular Biology, Universidad de ChileIndependencia, Chile
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50
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Waller JA, Nygaard SH, Li Y, du Jardin KG, Tamm JA, Abdourahman A, Elfving B, Pehrson AL, Sánchez C, Wernersson R. Neuroplasticity pathways and protein-interaction networks are modulated by vortioxetine in rodents. BMC Neurosci 2017; 18:56. [PMID: 28778148 PMCID: PMC5543755 DOI: 10.1186/s12868-017-0376-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 07/21/2017] [Indexed: 01/29/2023] Open
Abstract
Background The identification of biomarkers that predict susceptibility to major depressive disorder and treatment response to antidepressants is a major challenge. Vortioxetine is a novel multimodal antidepressant that possesses pro-cognitive properties and differentiates from other conventional antidepressants on various cognitive and plasticity measures. The aim of the present study was to identify biological systems rather than single biomarkers that may underlie vortioxetine’s treatment effects. Results We show that the biological systems regulated by vortioxetine are overlapping between mouse and rat in response to distinct treatment regimens and in different brain regions. Furthermore, analysis of complexes of physically-interacting proteins reveal that biomarkers involved in transcriptional regulation, neurodevelopment, neuroplasticity, and endocytosis are modulated by vortioxetine. A subsequent qPCR study examining the expression of targets in the protein–protein interactome space in response to chronic vortioxetine treatment over a range of doses provides further biological validation that vortioxetine engages neuroplasticity networks. Thus, the same biology is regulated in different species and sexes, different brain regions, and in response to distinct routes of administration and regimens. Conclusions A recurring theme, based on the present study as well as previous findings, is that networks related to synaptic plasticity, synaptic transmission, signal transduction, and neurodevelopment are modulated in response to vortioxetine treatment. Regulation of these signaling pathways by vortioxetine may underlie vortioxetine’s cognitive-enhancing properties. Electronic supplementary material The online version of this article (doi:10.1186/s12868-017-0376-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jessica A Waller
- External Sourcing and Scientific Excellence, Lundbeck Research U.S.A., Paramus, NJ, 07652, USA
| | | | - Yan Li
- External Sourcing and Scientific Excellence, Lundbeck Research U.S.A., Paramus, NJ, 07652, USA
| | | | - Joseph A Tamm
- In Vitro Biology, Lundbeck Research U.S.A., Paramus, NJ, 07652, USA
| | | | - Betina Elfving
- Translational Neuropsychiatry Unit, Aarhus University, 8240, Risskov, Denmark
| | - Alan L Pehrson
- External Sourcing and Scientific Excellence, Lundbeck Research U.S.A., Paramus, NJ, 07652, USA
| | - Connie Sánchez
- External Sourcing and Scientific Excellence, Lundbeck Research U.S.A., Paramus, NJ, 07652, USA.
| | - Rasmus Wernersson
- Intomics A/S, Diplomvej 377, 2800, Lyngby, Denmark. .,Center for Biological Sequence Analysis, Technical University of Denmark, 2800, Lyngby, Denmark.
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