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Rivet-Noor CR, Merchak AR, Render C, Gay NM, Beiter RM, Brown RM, Keeler A, Moreau GB, Li S, Olgun DG, Steigmeyer AD, Ofer R, Phan T, Vemuri K, Chen L, Mahoney KE, Shin JB, Malaker SA, Deppmann C, Verzi MP, Gaultier A. Stress-induced mucin 13 reductions drive intestinal microbiome shifts and despair behaviors. Brain Behav Immun 2024; 119:665-680. [PMID: 38579936 PMCID: PMC11187485 DOI: 10.1016/j.bbi.2024.03.028] [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: 01/19/2024] [Revised: 02/26/2024] [Accepted: 03/17/2024] [Indexed: 04/07/2024] Open
Abstract
Depression is a prevalent psychological condition with limited treatment options. While its etiology is multifactorial, both chronic stress and changes in microbiome composition are associated with disease pathology. Stress is known to induce microbiome dysbiosis, defined here as a change in microbial composition associated with a pathological condition. This state of dysbiosis is known to feedback on depressive symptoms. While studies have demonstrated that targeted restoration of the microbiome can alleviate depressive-like symptoms in mice, translating these findings to human patients has proven challenging due to the complexity of the human microbiome. As such, there is an urgent need to identify factors upstream of microbial dysbiosis. Here we investigate the role of mucin 13 as an upstream mediator of microbiome composition changes in the context of stress. Using a model of chronic stress, we show that the glycocalyx protein, mucin 13, is selectively reduced after psychological stress exposure. We further demonstrate that the reduction of Muc13 is mediated by the Hnf4 transcription factor family. Finally, we determine that deleting Muc13 is sufficient to drive microbiome shifts and despair behaviors. These findings shed light on the mechanisms behind stress-induced microbial changes and reveal a novel regulator of mucin 13 expression.
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Affiliation(s)
- Courtney R Rivet-Noor
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27710, USA.
| | - Andrea R Merchak
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Caroline Render
- Undergraduate Department of Global Studies, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | - Naudia M Gay
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Rebecca M Beiter
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Ryan M Brown
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Austin Keeler
- Department of Biology, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | - G Brett Moreau
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Sihan Li
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Deniz G Olgun
- Undergraduate Department of Computer Science, University of Virginia School of Engineering and Applied Science, Charlottesville, VA 22904, USA; Undergraduate Department of Neuroscience Studies, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | | | - Rachel Ofer
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers Cancer Institute of New Jersey, Rutgers Center for Lipid Research, Division of Environmental & Population Health Biosciences, EOHSI, New Brunswick, NJ 08901, USA
| | - Tobey Phan
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Kiranmayi Vemuri
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers Cancer Institute of New Jersey, Rutgers Center for Lipid Research, Division of Environmental & Population Health Biosciences, EOHSI, New Brunswick, NJ 08901, USA
| | - Lei Chen
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China
| | - Keira E Mahoney
- Department of Chemistry, Yale University, New Haven, CT 06511, USA
| | - Jung-Bum Shin
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Stacy A Malaker
- Department of Chemistry, Yale University, New Haven, CT 06511, USA
| | - Chris Deppmann
- Department of Biology, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | - Michael P Verzi
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers Cancer Institute of New Jersey, Rutgers Center for Lipid Research, Division of Environmental & Population Health Biosciences, EOHSI, New Brunswick, NJ 08901, USA
| | - Alban Gaultier
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA.
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Rozov S, Saarreharju R, Khirug S, Storvik M, Rivera C, Rantamäki T. Effects of nitrous oxide and ketamine on electrophysiological and molecular responses in the prefrontal cortex of mice: A comparative study. Eur J Pharmacol 2024; 968:176426. [PMID: 38387719 DOI: 10.1016/j.ejphar.2024.176426] [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: 12/19/2023] [Revised: 02/02/2024] [Accepted: 02/14/2024] [Indexed: 02/24/2024]
Abstract
Nitrous oxide (N2O; laughing gas) has recently reported to produce rapid antidepressant effects, but little is known about the underlying mechanisms. We performed transcriptomics, in situ hybridization, and electrophysiological studies to examine the potential shared signatures induced by 1 h inhalation of 50% N2O and a single subanesthetic dose of ketamine (10 mg/kg, i.p.) in the medial prefrontal cortex (mPFC) in adult mice. Both treatments similarly affected the transcription of several negative regulators of mitogen-activated protein kinases (MAPKs), namely, dual specificity phosphatases (DUSPs). The effects were primarily located in the pyramidal cells. Notably, the overall effects of N2O on mRNA expression were much more prominent and widespread compared to ketamine. Ketamine caused an elevation of the spiking frequency of putative pyramidal neurons and increased gamma activity (30-100 Hz) of cortical local field potentials. However, N2O produced no such effects. Spiking amplitudes and spike-to-local field potential phase locking of putative pyramidal neurons and interneurons in this brain area showed no uniform changes across treatments. Our findings suggest that N2O and subanesthetic-dose ketamine target MAPK pathway in the mPFC but produce varying acute electrophysiological responses.
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Affiliation(s)
- Stanislav Rozov
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland.
| | - Roosa Saarreharju
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland
| | - Stanislav Khirug
- Neuroscience Center, University of Helsinki, Helsinki, 00014, Finland
| | | | - Claudio Rivera
- Neuroscience Center, University of Helsinki, Helsinki, 00014, Finland; Aix Marseille Univ, INSERM, INMED, Marseille, 13007, France
| | - Tomi Rantamäki
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland
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3
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Ferrero Restelli F, Federicci F, Ledda F, Paratcha G. Sprouty4 at the crossroads of Trk neurotrophin receptor signaling suppression by glucocorticoids. Front Mol Neurosci 2023; 16:1090824. [PMID: 36818650 PMCID: PMC9932978 DOI: 10.3389/fnmol.2023.1090824] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 01/06/2023] [Indexed: 02/05/2023] Open
Abstract
Glucocorticoids (GC) affect neuronal plasticity, development and function of the nervous system by inhibiting neurotrophin-induced Trk signaling. It has been established that pretreatment with dexamethasone (DEX) restricts Neurotrophin-induced neurite outgrowth by inhibiting Trk-dependent activation of Ras-Erk1/2 signaling pathways. However, the precise molecular mechanism through which DEX interferes with neurotrophin signaling and Trk-mediated neurite outgrowth has not been clearly defined yet. Here, we observed that in PC12 cells DEX treatment promotes the transcription of Sprouty4, a regulatory molecule that is part of a negative feedback module that specifically abrogates Ras to Erk1/2 signaling in response to NGF. In line with this, either knockdown of Sprouty4 or overexpression of a dominant negative form of Sprouty4 (Y53A), rescue the inhibition of NGF/TrkA-promoted neurite outgrowth and Erk1/2 phosphorylation induced by DEX. Likewise, treatment of hippocampal neurons with DEX induces the expression of Sprouty4 and its knockdown abrogates the inhibitory effect of DEX on primary neurite formation, dendrite branching and Erk1/2 activation induced by BDNF. Thus, these results suggest that the induction of Sprouty4 mRNA by DEX translates into a significant inhibition of Trk to Erk1/2 signaling pathway. Together, these findings bring new insights into the crosstalk between DEX and neurotrophin signaling and demonstrate that Sprouty4 mediates the inhibitory effects of DEX on neurotrophin function.
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Affiliation(s)
- Facundo Ferrero Restelli
- Division de Neurociencia Molecular y Celular, Instituto de Biología Celular y Neurociencias Prof. E. De Robertis (IBCN), CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Fernando Federicci
- Division de Neurociencia Molecular y Celular, Instituto de Biología Celular y Neurociencias Prof. E. De Robertis (IBCN), CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina,Fundación Instituto Leloir, Instituto de Investigaciones Bioquímicas de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Fernanda Ledda
- Division de Neurociencia Molecular y Celular, Instituto de Biología Celular y Neurociencias Prof. E. De Robertis (IBCN), CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina,Fundación Instituto Leloir, Instituto de Investigaciones Bioquímicas de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Gustavo Paratcha
- Division de Neurociencia Molecular y Celular, Instituto de Biología Celular y Neurociencias Prof. E. De Robertis (IBCN), CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina,*Correspondence: Gustavo Paratcha, ✉
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Ramadan B, Cabeza L, Cramoisy S, Houdayer C, Andrieu P, Millot JL, Haffen E, Risold PY, Peterschmitt Y. Beneficial effects of prolonged 2-phenylethyl alcohol inhalation on chronic distress-induced anxio-depressive-like phenotype in female mice. Biomed Pharmacother 2022; 151:113100. [PMID: 35597115 DOI: 10.1016/j.biopha.2022.113100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/10/2022] [Accepted: 05/10/2022] [Indexed: 11/02/2022] Open
Abstract
Chronic distress-induced hypothalamic-pituitary-adrenal axis deregulations have been associated with the development of neuropsychiatric disorders such as anxiety and depression. Currently available drugs treating such pathological conditions have limited efficacy and diverse side effects, revealing the need of new safer strategies. Aromatic plant-based compounds are largely used in herbal medicine due to their therapeutic properties on mood, physiology, and general well-being. The purpose of this study was to investigate the effects of 2-phenylethyl alcohol (PEA), one of the pharmacologically active constituents of rose essential oil, on chronic corticosterone (CORT)-induced behavioral and neurobiological changes in female mice. Animals followed a prolonged PEA inhalation exposure (30 min per day) for 15 consecutive days prior to behavioral evaluation with open-field, forced swim and novelty-suppressed feeding tests. CORT treatment induced an anxio-depressive-like phenotype, evidenced by a reduced locomotor activity in the open-field, and an increased latency to feed in the novelty-suppressed feeding paradigms. To elucidate the neural correlates of our behavioral results, immunohistochemistry was further performed to provide a global map of neural activity based on cerebral cFos expression. The altered feeding behavior was accompanied by a significant decrease in the number of cFos-positive cells in the olfactory bulb, and altered functional brain connectivity as shown by cross-correlation-based network analysis. CORT-induced behavioral and neurobiological alterations were reversed by prolonged PEA inhalation, suggesting a therapeutic action that allows regulating the activity of neural circuits involved in sensory, emotional and feeding behaviors. These findings might contribute to better understand the therapeutic potential of PEA on anxio-depressive symptoms.
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Affiliation(s)
- Bahrie Ramadan
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France.
| | - Lidia Cabeza
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France
| | - Stéphanie Cramoisy
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France
| | - Christophe Houdayer
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France
| | - Patrice Andrieu
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France
| | - Jean-Louis Millot
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France
| | - Emmanuel Haffen
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France; Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon CHU, Besançon, France; Centre d'Investigation Clinique, CIC-INSERM-1431, Centre Hospitalier Universitaire de Besançon CHU, Besançon, France
| | - Pierre-Yves Risold
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France
| | - Yvan Peterschmitt
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive UR-LINC 481, Université de Franche-Comté, Université de B ourgogne - Franche-Comté, Besançon, France.
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Cabeza L, Ramadan B, Cramoisy S, Houdayer C, Haffen E, Risold PY, Fellmann D, Peterschmitt Y. Chronic Distress in Male Mice Impairs Motivation Compromising Both Effort and Reward Processing With Altered Anterior Insular Cortex and Basolateral Amygdala Neural Activation. Front Behav Neurosci 2021; 15:717701. [PMID: 34588963 PMCID: PMC8475760 DOI: 10.3389/fnbeh.2021.717701] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/17/2021] [Indexed: 12/02/2022] Open
Abstract
In humans and mammals, effort-based decision-making for monetary or food rewards paradigms contributes to the study of adaptive goal-directed behaviours acquired through reinforcement learning. Chronic distress modelled by repeated exposure to glucocorticoids in rodents induces suboptimal decision-making under uncertainty by impinging on instrumental acquisition and prompting negative valence behaviours. In order to further disentangle the motivational tenets of adaptive decision-making, this study addressed the consequences of enduring distress on relevant effort and reward-processing dimensions. Experimentally, appetitive and consummatory components of motivation were evaluated in adult C57BL/6JRj male mice experiencing chronic distress induced by oral corticosterone (CORT), using multiple complementary discrete behavioural tests. Behavioural data (from novelty suppressed feeding, operant effort-based choice, free feeding, and sucrose preference tasks) collectively show that behavioural initiation, effort allocation, and hedonic appreciation and valuation are altered in mice exposed to several weeks of oral CORT treatment. Additionally, data analysis from FosB immunohistochemical processing of postmortem brain samples highlights CORT-dependent dampening of neural activation in the anterior insular cortex (aIC) and basolateral amygdala (BLA), key telencephalic brain regions involved in appetitive and consummatory motivational processing. Combined, these results suggest that chronic distress-induced irregular aIC and BLA neural activations with reduced effort production and attenuated reward value processing during reinforcement-based instrumental learning could result in maladaptive decision-making under uncertainty. The current study further illustrates how effort and reward processing contribute to adjust the motivational threshold triggering goal-directed behaviours in versatile environments.
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Affiliation(s)
- Lidia Cabeza
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Bahrie Ramadan
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Stephanie Cramoisy
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Christophe Houdayer
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Emmanuel Haffen
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France.,Clinical Psychiatry, Hôpital Universitaire CHRU, Besançon, France.,CIC-INSERM-1431, Hôpital Universitaire CHRU, Besançon, France
| | - Pierre-Yves Risold
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Dominique Fellmann
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Yvan Peterschmitt
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive, Université de Bourgogne - Franche-Comté, Besançon, France
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Budni J, Moretti M, Freitas AE, Neis VB, Ribeiro CM, de Oliveira Balen G, Rieger DK, Leal RB, Rodrigues ALS. Behavioral and neurochemical effects of folic acid in a mouse model of depression induced by TNF-α. Behav Brain Res 2021; 414:113512. [PMID: 34358572 DOI: 10.1016/j.bbr.2021.113512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/06/2021] [Accepted: 07/31/2021] [Indexed: 02/03/2023]
Abstract
Folic acid has been reported to exert antidepressant effects, but its ability to abrogate the depressive-like behavior and signaling pathways alterations elicited by an inflammatory model of depression remains to be established. This study examined: a) the efficacy of folic acid in a mouse model of depression induced by tumor necrosis factor (TNF-α); b) whether the administration of subthreshold doses of folic acid and antidepressants (fluoxetine, imipramine, and bupropion), MK-801, or 7-nitroindazole cause antidepressant-like effects; c) the effects of TNF-α and/or folic acid on hippocampal p38MAPK, Akt, ERK, and JNK phosphorylation. Folic acid reduced the immobility time in the tail suspension test (TST) in control mice (10-50 mg/kg, p.o) and abolished the depressive-like behavior elicited by TNF-α (0.001 fg/site, i.c.v.) in this test (1-50 mg/kg, p.o). Coadministration of subthreshold doses of folic acid (1 mg/kg, p.o.) and fluoxetine, imipramine, bupropion, MK-801, or 7-nitroindazole produced an antidepressant-like effect in mice exposed or not to TNF-α. TNF-α-treated mice presented increased p38MAPK phosphorylation and decreased Akt phosphorylation, and the later effect was prevented by folic acid (10 mg/kg, p.o.). Additionally, ERK1 phosphorylation was increased in mice treated with TNF-α + folic acid (1 mg/kg), but no effects on ERK2 or JNK1/2/3 phosphorylation were found in any group. The results indicate the efficacy of folic acid to counteract the depressive-like behavior induced by a pro-inflammatory cytokine, an effect that might be associated with the activation of monoaminergic systems, inhibition of N-methyl-d-aspartate (NMDA) receptors and nitric oxide (NO) synthesis, as well as Akt modulation.
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Affiliation(s)
- Josiane Budni
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Morgana Moretti
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Andiara E Freitas
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Vivian B Neis
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Camille M Ribeiro
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Grasiela de Oliveira Balen
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Débora K Rieger
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Rodrigo B Leal
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil
| | - Ana Lúcia S Rodrigues
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, SC, Brazil.
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Peritore AF, Crupi R, Scuto M, Gugliandolo E, Siracusa R, Impellizzeri D, Cordaro M, D'amico R, Fusco R, Di Paola R, Cuzzocrea S. The Role of Annexin A1 and Formyl Peptide Receptor 2/3 Signaling in Chronic Corticosterone-Induced Depression-Like behaviors and Impairment in Hippocampal-Dependent Memory. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2021; 19:27-43. [PMID: 31914916 DOI: 10.2174/1871527319666200107094732] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/09/2019] [Accepted: 12/24/2019] [Indexed: 01/23/2023]
Abstract
BACKGROUND The activity of the Hypothalamic-Pituitary-Adrenal (HPA) axis is commonly dysregulated in stress-related psychiatric disorders. Annexin A1 (ANXA1), an endogenous ligand of Formyl Peptide Receptor (FPR) 2/3, is a member of the family of phospholipid- and calcium-binding proteins with a well-defined role in the delayed early inhibitory feedback of Glucocorticoids (GC) in the pituitary gland and implicated in the occurrence of behavioural disorders such as anxiety. OBJECTIVE The present study aimed to evaluate the potential role of ANXA1 and its main receptor, as a cellular mediator of behavioural disorders, in a model of Corticosterone (CORT)-induced depression and subsequently, the possible correlation between the depressive state and impairment of hippocampal memory. METHODS To induce the depression model, Wild-Type (WT), ANXA1 Knockout (KO), and FPR2/3 KO mice were exposed to oral administration of CORT for 28 days dissolved in drinking water. Following this, histological, biochemical and behavioural analyses were performed. RESULTS FPR2/3 KO and ANXA1 KO mice showed improvement in anxiety and depression-like behaviour compared with WT mice after CORT administration. In addition, FPR2/3 KO and ANXA1 KO mice showed a reduction in histological alterations and neuronal death in hippocampal sections. Moreover, CORT+ FPR2/3 KO and ANXA1 KO, exhibited a higher expression of Brain-Derived Neurotrophic Factor (BDNF), phospho-ERK, cAMP response element-binding protein (pCREB) and a decrease in Serotonin Transporter Expression (SERT) compared to WT(CORT+) mice. CONCLUSION In conclusion, the absence of the ANXA1 protein, even more than the absence of its main receptor (FPR 2/3), was fundamental to the inhibitory action of GC on the HPA axis; it also maintained the hippocampal homeostasis by preventing neuronal damage associated with depression.
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Affiliation(s)
- Alessio Filippo Peritore
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Rosalia Crupi
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Enrico Gugliandolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Marika Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Ramona D'amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Roberta Fusco
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy.,Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, Saint Louis, United Stated
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Paradoxical changes in mood-related behaviors on continuous social isolation after weaning. Exp Brain Res 2021; 239:2537-2550. [PMID: 34143240 PMCID: PMC8354913 DOI: 10.1007/s00221-021-06149-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 06/04/2021] [Indexed: 12/18/2022]
Abstract
Continuous social isolation (SI) from an early developmental stage may have different effects in youth and adulthood. Moreover, SI is reported to impair neuronal plasticity. In this study, we used post-weaning rats to compare the impact of continuous SI on depressive-like, anxiety-related, and fear-related behaviors and neuronal plasticity in puberty and adulthood. Furthermore, we assessed the effect of lithium on behavioral changes and neuronal plasticity. Continuous SI after weaning induced depressive-like behaviors in puberty; however, in adulthood, depressive-like and anxiety-related behaviors did not increase, but—paradoxically—decreased in comparison with the controls. The decreased expression of neuronal plasticity-related proteins in the hippocampus in puberty was more prominent in the prefrontal cortex and hippocampus in adulthood. In contrast, SI after weaning tended to decrease fear-related behaviors in puberty, a decrease which was more prominent in adulthood with increased neuronal plasticity-related protein expression in the amygdala. Lithium administration over the last 14 days of the SI-induced period removed the behavioral and expression changes of neuronal plasticity-related proteins observed in puberty and adulthood. Our findings suggest that the extension of the duration of SI from an early developmental stage does not simply worsen depressive-like behaviors; rather, it induces a behavior linked to neuronal plasticity damage. Lithium may improve behavioral changes in puberty and adulthood by reversing damage to neuronal plasticity. The mechanisms underlying the depressive-like and anxiety-related behaviors may differ from those underlying fear-related behaviors.
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9
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Cabeza L, Ramadan B, Giustiniani J, Houdayer C, Pellequer Y, Gabriel D, Fauconnet S, Haffen E, Risold PY, Fellmann D, Belin D, Peterschmitt Y. Chronic exposure to glucocorticoids induces suboptimal decision-making in mice. Eur Neuropsychopharmacol 2021; 46:56-67. [PMID: 33531260 DOI: 10.1016/j.euroneuro.2021.01.094] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/12/2021] [Accepted: 01/18/2021] [Indexed: 12/11/2022]
Abstract
Anxio-depressive symptoms as well as severe cognitive dysfunction including aberrant decision-making (DM) are documented in neuropsychiatric patients with hypercortisolaemia. Yet, the influence of the hypothalamo-pituitary-adrenal (HPA) axis on DM processes remains poorly understood. As a tractable mean to approach this human condition, adult male C57BL/6JRj mice were chronically treated with corticosterone (CORT) prior to behavioural, physiological and neurobiological evaluation. The behavioural data indicate that chronic CORT delays the acquisition of contingencies required to orient responding towards optimal DM performance in a mouse Gambling Task (mGT). Specifically, CORT-treated animals show a longer exploration and a delayed onset of the optimal DM performance. Remarkably, the proportion of individuals performing suboptimally in the mGT is increased in the CORT condition. This variability seems to be better accounted for by variations in sensitivity to negative rather than to positive outcome. Besides, CORT-treated animals perform worse than control animals in a spatial working memory (WM) paradigm and in a motor learning task. Finally, Western blotting neurobiological analyses show that chronic CORT downregulates glucocorticoid receptor expression in the medial Prefrontal Cortex (mPFC). Besides, corticotropin-releasing factor signalling in the mPFC of CORT individuals negatively correlates with their DM performance. Collectively, this study describes how chronic exposure to glucocorticoids induces suboptimal DM under uncertainty in a mGT, hampers WM and motor learning processes, thus affecting specific emotional, motor, cognitive and neurobiological endophenotypic dimensions relevant for precision medicine in biological psychiatry.
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Affiliation(s)
- Lidia Cabeza
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France.
| | - Bahrie Ramadan
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Julie Giustiniani
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France; Clinical Psychiatry, Hôpital Universitaire CHRU, Besançon, France; Hôpital Universitaire CHRU, CIC-INSERM-1431, Besançon, France
| | - Christophe Houdayer
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Yann Pellequer
- PEPITE EA-4267, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Damien Gabriel
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France; Hôpital Universitaire CHRU, CIC-INSERM-1431, Besançon, France
| | - Sylvie Fauconnet
- Hôpital Universitaire CHRU, CIC-INSERM-1431, Besançon, France; Laboratoire de Carcinogenèse associée aux HPV EA-3181, Université de Bourgogne - Franche-Comté, Besançon, France; Urologie, andrologie et transplantation rénale, Hôpital Universitaire CHRU, Besançon, France
| | - Emmanuel Haffen
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France; Clinical Psychiatry, Hôpital Universitaire CHRU, Besançon, France; Hôpital Universitaire CHRU, CIC-INSERM-1431, Besançon, France
| | - Pierre-Yves Risold
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France
| | - Dominique Fellmann
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France
| | - David Belin
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
| | - Yvan Peterschmitt
- Laboratoire de Neurosciences Intégratives et Cliniques EA-481, Université de Bourgogne - Franche-Comté, Besançon, France.
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10
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Enriched Environment Minimizes Anxiety/Depressive-Like Behavior in Rats Exposed to Immobilization Stress and Augments Hippocampal Neurogenesis (In Vitro). J Mol Neurosci 2021; 71:2071-2084. [PMID: 33492617 DOI: 10.1007/s12031-021-01798-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/12/2021] [Indexed: 10/22/2022]
Abstract
Chronic exposure to stress disturbs the homeostasis of the brain, thus, deleteriously affecting the neurological circuits. In literature, there are investigations about the stress-related alterations in behavioral response and adult neurogenesis; however, an effective combating strategy to evade stress is still at stake. Hence, the present study is designed to investigate the effect of an enriched environment in alleviating the anxiety/depressive-like behavioral response and enhancing the adult neurogenesis in the hippocampal region of rats exposed to chronic immobilization stress. The rats were exposed to chronic immobilization stress (IS) for 4 h/day followed by the enriched environment (EE) for 2 h/day for 28 days, and finally, the hippocampal region was dissected out after the behavioral analyses. IS group showed increased behavioral despair to tail suspension test, decrement in the activity for light/dark box test, and less grooming activity towards splash test. In contrast, IS + EE rats exhibited a decrease in the activity of tail suspension test and an increase in the behavioral response to light/dark box test and splash test. The in vitro assessment of primary cultures of neurospheres from the IS group resulted in decreased levels of proliferation in the cell number and metabolic activity of both MTT assay and lactate levels. IS + EE group revealed an increase in the growth curve of neurospheres and higher metabolic activities of MTT and lactate. The IS cultures had reduced neurite length, while the neurite outgrowths were increased in IS + EE group. The IS group showed significant reduction in the protein and mRNA levels of nestin, GFAP, CD11b, MOG, and synaptophysin, whereas the IS + EE cultures exhibited significant increase in the levels of these stem cell markers. Our data highlight the positive impact of EE against stress-related behavioral changes in rats exposed to chronic immobilization stress perhaps by interfering with the differentiation of neurospheres and neurogenesis.
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11
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Dentate gyrus activin signaling mediates the antidepressant response. Transl Psychiatry 2021; 11:7. [PMID: 33414389 PMCID: PMC7791138 DOI: 10.1038/s41398-020-01156-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 12/07/2020] [Accepted: 12/10/2020] [Indexed: 12/13/2022] Open
Abstract
Antidepressants that target monoaminergic systems, such as selective serotonin reuptake inhibitors (SSRIs), are widely used to treat neuropsychiatric disorders including major depressive disorder, several anxiety disorders, and obsessive-compulsive disorder. However, these treatments are not ideal because only a subset of patients achieve remission. The reasons why some individuals remit to antidepressant treatments while others do not are unknown. Here, we developed a paradigm to assess antidepressant treatment resistance in mice. Exposure of male C57BL/6J mice to either chronic corticosterone administration or chronic social defeat stress induces maladaptive affective behaviors. Subsequent chronic treatment with the SSRI fluoxetine reverses these maladaptive affective behavioral changes in some, but not all, of the mice, permitting stratification into persistent responders and non-responders to fluoxetine. We found several differences in expression of Activin signaling-related genes between responders and non-responders in the dentate gyrus (DG), a region that is critical for the beneficial behavioral effects of fluoxetine. Enhancement of Activin signaling in the DG converted behavioral non-responders into responders to fluoxetine treatment more effectively than commonly used second-line antidepressant treatments, while inhibition of Activin signaling in the DG converted responders into non-responders. Taken together, these results demonstrate that the behavioral response to fluoxetine can be bidirectionally modified via targeted manipulations of the DG and suggest that molecular- and neural circuit-based modulations of DG may provide a new therapeutic avenue for more effective antidepressant treatments.
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12
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Wegman-Points L, Pope B, Zobel-Mask A, Winter L, Wauson E, Duric V, Yuan LL. Corticosterone as a Potential Confounding Factor in Delineating Mechanisms Underlying Ketamine's Rapid Antidepressant Actions. Front Pharmacol 2020; 11:590221. [PMID: 33328997 PMCID: PMC7734413 DOI: 10.3389/fphar.2020.590221] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/23/2020] [Indexed: 11/19/2022] Open
Abstract
Recent research into the rapid antidepressant effect of subanesthetic doses of ketamine have identified a series of relevant protein cascades activated within hours of administration. Prior to, or concurrent with, these activation cascades, ketamine treatment generates dissociative and psychotomimetic side effects along with an increase in circulating glucocorticoids. In rats, we observed an over 3-fold increase in corticosterone levels in both serum and brain tissue, within an hour of administration of low dose ketamine (10 mg/kg), but not with (2R, 6R)-hydroxynorketamine (HNK) (10 mg/kg), a ketamine metabolite shown to produce antidepressant-like action in rodents without inducing immediate side-effects. Hippocampal tissue from ketamine, but not HNK, injected animals displayed a significant increase in the expression of sgk1, a downstream effector of glucocorticoid receptor signaling. To examine the role conscious sensation of ketamine's side effects plays in the release of corticosterone, we assessed serum corticosterone levels after ketamine administration while under isoflurane anesthesia. Under anesthesia, ketamine failed to increase circulating corticosterone levels relative to saline controls. Concurrent with its antidepressant effects, ketamine generates a release of glucocorticoids potentially linked to disturbing cognitive side effects and the activation of distinct molecular pathways which should be considered when attempting to delineate the molecular mechanisms of its antidepressant function.
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Affiliation(s)
| | | | | | | | | | | | - Li-Lian Yuan
- Department of Physiology and Pharmacology, Des Moines University, Des Moines, IA, United States
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13
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Dieterich A, Yohn CN, Samuels BA. Chronic Stress Shifts Effort-Related Choice Behavior in a Y-Maze Barrier Task in Mice. J Vis Exp 2020. [PMID: 32865538 PMCID: PMC7646533 DOI: 10.3791/61548] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Mood disorders, including major depressive disorder, can be precipitated by chronic stress. The Y-maze barrier task is an effort-related choice test that measures motivation to expend effort and obtain reward. In mice, chronic stress exposure significantly impacts motivation to work for a higher value reward when a lesser value reward is freely available compared to unstressed mice. Here we describe the chronic corticosterone administration paradigm, which produces a shift in effortful responding in the Y-maze barrier task. In the Y-maze task, one arm contains 4 food pellets, while the other arm contains only 2 pellets. After mice learn to select the high reward arm, barriers with progressively increasing height are then introduced into the high reward arm over multiple test sessions. Unfortunately, most chronic stress paradigms (including corticosterone and social defeat) were developed in male mice and are less effective in female mice. Therefore, we also discuss chronic non-discriminatory social defeat stress (CNSDS), a stress paradigm we developed that is effective in both male and female mice. Repeating results with multiple distinct chronic stressors in male and female mice combined with increased usage of translationally relevant behavior tasks will help to advance the understanding of how chronic stress can precipitate mood disorders.
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Affiliation(s)
- Andrew Dieterich
- Department of Psychology, Behavioral and Systems Neuroscience Area, The State University of New Jersey; Graduate Program in Neuroscience, Rutgers, The State University of New Jersey;
| | - Christine N Yohn
- Department of Psychology, Behavioral and Systems Neuroscience Area, The State University of New Jersey
| | - Benjamin Adam Samuels
- Department of Psychology, Behavioral and Systems Neuroscience Area, The State University of New Jersey; Graduate Program in Neuroscience, Rutgers, The State University of New Jersey;
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14
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Planchez B, Surget A, Belzung C. Animal models of major depression: drawbacks and challenges. J Neural Transm (Vienna) 2019; 126:1383-1408. [PMID: 31584111 PMCID: PMC6815270 DOI: 10.1007/s00702-019-02084-y] [Citation(s) in RCA: 224] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 09/17/2019] [Indexed: 12/12/2022]
Abstract
Major depression is a leading contributor to the global burden of disease. This situation is mainly related to the chronicity and/or recurrence of the disorder, and to poor response to antidepressant therapy. Progress in this area requires valid animal models. Current models are based either on manipulating the environment to which rodents are exposed (during the developmental period or adulthood) or biological underpinnings (i.e. gene deletion or overexpression of candidate genes, targeted lesions of brain areas, optogenetic control of specific neuronal populations, etc.). These manipulations can alter specific behavioural and biological outcomes that can be related to different symptomatic and pathophysiological dimensions of major depression. However, animal models of major depression display substantial shortcomings that contribute to the lack of innovative pharmacological approaches in recent decades and which hamper our capabilities to investigate treatment-resistant depression. Here, we discuss the validity of these models, review putative models of treatment-resistant depression, major depression subtypes and recurrent depression. Furthermore, we identify future challenges regarding new paradigms such as those proposing dimensional rather than categorical approaches to depression.
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Affiliation(s)
| | | | - Catherine Belzung
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.
- UMR 1253, iBrain, UFR Sciences et Techniques, Parc Grandmont, 37200, Tours, France.
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15
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Yohn CN, Ashamalla SA, Bokka L, Gergues MM, Garino A, Samuels BA. Social instability is an effective chronic stress paradigm for both male and female mice. Neuropharmacology 2019; 160:107780. [PMID: 31536736 DOI: 10.1016/j.neuropharm.2019.107780] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 09/11/2019] [Accepted: 09/14/2019] [Indexed: 10/26/2022]
Abstract
Despite stress-associated disorders having a higher incidence rate in females, preclinical research mainly focuses on males. Chronic stress paradigms, such as chronic social defeat and chronic corticosterone (CORT) administration, were mainly designed and validated in males and subsequent attempts to use these paradigms in females has demonstrated sex differences in the behavioral and HPA axis response to stress. Here, we assessed the behavioral response to chronic CORT exposure and developed a social stress paradigm, social instability stress (SIS), which exposes adult mice to unstable social hierarchies every 3 days for 7 weeks. Sex differences in response to chronic CORT emerged, with negative valence behaviors induced in CORT treated males, not females. SIS effectively induces negative valence behaviors in the open field, light dark, and novelty suppressed feeding tests, increases immobility in the forced swim test, and activates the hypothalamus-pituitary-adrenal (HPA) axis in both males and females. Importantly, while there were effects of estrous cycle on behavior, this variability did not impact the overall effects of SIS on behavior, suggesting estrous does not need to be tracked while utilizing SIS. Furthermore, the effects of SIS on negative valence behaviors were also reversed following chronic antidepressant treatment with fluoxetine (FLX) in both males and females. SIS also reduced adult hippocampal neurogenesis in female mice, while chronic FLX treatment increased adult hippocampal neurogenesis in both males and females. Overall, these data demonstrate that the SIS paradigm is an ethologically valid approach that effectively induces chronic stress in both adult male and adult female mice.
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Affiliation(s)
- Christine N Yohn
- Behavioral & Systems Neuroscience, Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Rd, Piscataway, NJ, USA
| | - Sandra A Ashamalla
- Behavioral & Systems Neuroscience, Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Rd, Piscataway, NJ, USA
| | - Leshya Bokka
- Behavioral & Systems Neuroscience, Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Rd, Piscataway, NJ, USA
| | - Mark M Gergues
- Behavioral & Systems Neuroscience, Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Rd, Piscataway, NJ, USA
| | - Alexander Garino
- Behavioral & Systems Neuroscience, Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Rd, Piscataway, NJ, USA
| | - Benjamin A Samuels
- Behavioral & Systems Neuroscience, Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Rd, Piscataway, NJ, USA.
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16
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Pochwat B, Szewczyk B, Kotarska K, Rafało-Ulińska A, Siwiec M, Sowa JE, Tokarski K, Siwek A, Bouron A, Friedland K, Nowak G. Hyperforin Potentiates Antidepressant-Like Activity of Lanicemine in Mice. Front Mol Neurosci 2018; 11:456. [PMID: 30618608 PMCID: PMC6299069 DOI: 10.3389/fnmol.2018.00456] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 11/26/2018] [Indexed: 12/24/2022] Open
Abstract
N-methyl-D-aspartate receptor (NMDAR) modulators induce rapid and sustained antidepressant like-activity in rodents through a molecular mechanism of action that involves the activation of Ca2+ dependent signaling pathways. Moreover, ketamine, a global NMDAR antagonist is a potent, novel, and atypical drug that has been successfully used to treat major depressive disorder (MDD). However, because ketamine evokes unwanted side effects, alternative strategies have been developed for the treatment of depression. The objective of the present study was to determine the antidepressant effects of either a single dose of hyperforin or lanicemine vs. their combined effects in mice. Hyperforin modulates intracellular Ca2+ levels by activating Ca2+-conducting non-selective canonical transient receptor potential 6 channel (TRPC6) channels. Lanicemine, on the other hand, blocks NMDARs and regulates Ca2+ dependent processes. To evaluate the antidepressant-like activity of hyperforin and lanicemine, a set of in vivo (behavioral) and in vitro methods (western blotting, Ca2+ imaging studies, electrophysiological, and radioligand binding assays) was employed. Combined administration of hyperforin and lanicemine evoked long-lasting antidepressant-like effects in both naïve and chronic corticosterone-treated mice while also enhancing the expression of the synapsin I, GluA1 subunit, and brain derived neurotrophic factor (BDNF) proteins in the frontal cortex. In Ca2+ imaging studies, lanicemine enhanced Ca2+ influx induced by hyperforin. Moreover, compound such as MK-2206 (Akt kinase inhibitor) inhibited the antidepressant-like activity of hyperforin in the tail suspension test (TST). Hyperforin reversed disturbances induced by MK-801 in the novel object recognition (NOR) test and had no effects on NMDA currents and binding to NMDAR. Our results suggest that co-administration of hyperforin and lanicemine induces long-lasting antidepressant effects in mice and that both substances may have different molecular targets.
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Affiliation(s)
- Bartłomiej Pochwat
- Laboratory of Neurobiology of Trace Elements, Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Bernadeta Szewczyk
- Laboratory of Neurobiology of Trace Elements, Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Katarzyna Kotarska
- Laboratory of Neurobiology of Trace Elements, Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Anna Rafało-Ulińska
- Laboratory of Neurobiology of Trace Elements, Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Marcin Siwiec
- Department of Physiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Joanna E Sowa
- Department of Physiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Krzysztof Tokarski
- Department of Physiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Agata Siwek
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Alexandre Bouron
- Université Grenoble Alpes, CNRS, CEA, BIG-LCBM, Grenoble, France
| | - Kristina Friedland
- Pharmacology and Toxicology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Gabriel Nowak
- Laboratory of Neurobiology of Trace Elements, Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland.,Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
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17
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Barfield ET, Gourley SL. Prefrontal cortical trkB, glucocorticoids, and their interactions in stress and developmental contexts. Neurosci Biobehav Rev 2018; 95:535-558. [PMID: 30477984 PMCID: PMC6392187 DOI: 10.1016/j.neubiorev.2018.10.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/14/2018] [Accepted: 10/23/2018] [Indexed: 02/07/2023]
Abstract
The tropomyosin/tyrosine receptor kinase B (trkB) and glucocorticoid receptor (GR) regulate neuron structure and function and the hormonal stress response. Meanwhile, disruption of trkB and GR activity (e.g., by chronic stress) can perturb neuronal morphology in cortico-limbic regions implicated in stressor-related illnesses like depression. Further, several of the short- and long-term neurobehavioral consequences of stress depend on the developmental timing and context of stressor exposure. We review how the levels and activities of trkB and GR in the prefrontal cortex (PFC) change during development, interact, are modulated by stress, and are implicated in depression. We review evidence that trkB- and GR-mediated signaling events impact the density and morphology of dendritic spines, the primary sites of excitatory synapses in the brain, highlighting effects in adolescents when possible. Finally, we review the role of neurotrophin and glucocorticoid systems in stress-related metaplasticity. We argue that better understanding the long-term effects of developmental stressors on PFC trkB, GR, and related factors may yield insights into risk for chronic, remitting depression and related neuropsychiatric illnesses.
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Affiliation(s)
- Elizabeth T Barfield
- Department of Pediatrics, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Graduate Program in Neuroscience, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Yerkes National Primate Research Center, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Department of Psychiatry and Behavioral Sciences, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA.
| | - Shannon L Gourley
- Department of Pediatrics, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Graduate Program in Neuroscience, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Yerkes National Primate Research Center, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Department of Psychiatry and Behavioral Sciences, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA; Molecular and Systems Pharmacology Program, Emory University, 954 Gatewood Rd. NE, Atlanta, GA, 30329, USA.
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18
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Zalewska K, Pietrogrande G, Ong LK, Abdolhoseini M, Kluge M, Johnson SJ, Walker FR, Nilsson M. Sustained administration of corticosterone at stress-like levels after stroke suppressed glial reactivity at sites of thalamic secondary neurodegeneration. Brain Behav Immun 2018; 69:210-222. [PMID: 29162554 DOI: 10.1016/j.bbi.2017.11.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 11/07/2017] [Accepted: 11/17/2017] [Indexed: 01/05/2023] Open
Abstract
Secondary neurodegeneration (SND) is an insidious and progressive condition involving the death of neurons in regions of the brain that were connected to but undamaged by the initial stroke. Our group have published compelling evidence that exposure to psychological stress can significantly exacerbate the severity SND, a finding that has considerable clinical implications given that stroke-survivors often report experiencing high and unremitting levels of psychological stress. It may be possible to use one or more targeted pharmacological approaches to limit the negative effects of stress on the recovery process but in order to move forward with this approach the most critical stress signals have to be identified. Accordingly, in the current study we have directed our attention to examining the potential effects of corticosterone, delivered orally at stress-like levels. Our interest is to determine how similar the effects of corticosterone are to stress on repair and remodelling that is known to occur after stroke. The study involved 4 groups, sham and stroke, either administered corticosterone or normal drinking water. The functional impact was assessed using the cylinder task for paw asymmetry, grid walk for sensorimotor function, inverted grid for muscle strength and coordination and open field for anxiety-like behaviour. Biochemically and histologically, we considered disturbances in main cellular elements of the neurovascular unit, including microglia, astrocytes, neurons and blood vessels using both immunohistochemistry and western blotting. In short, we identified that corticosterone delivery after stroke results in significant suppression of key microglial and astroglial markers. No changes were observed on the vasculature and in neuronal specific markers. No changes were identified for sensorimotor function or anxiety-like behaviour. We did, however, observe a significant change in motor function as assessed using the inverted grid walk test. Collectively, these results suggest that pharmacologically targeting corticosterone levels in the future may be warranted but that such an approach is unlikely to limit all the negative effects associated with exposure to chronic stress.
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Affiliation(s)
- Katarzyna Zalewska
- School of Biomedical Sciences and Pharmacy and the Priority Research Centre for Stroke and Brain Injury, University of Newcastle, Callaghan, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Giovanni Pietrogrande
- School of Biomedical Sciences and Pharmacy and the Priority Research Centre for Stroke and Brain Injury, University of Newcastle, Callaghan, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Lin Kooi Ong
- School of Biomedical Sciences and Pharmacy and the Priority Research Centre for Stroke and Brain Injury, University of Newcastle, Callaghan, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia; NHMRC Centre of Research Excellence Stroke Rehabilitation and Brain Recovery, Australia
| | - Mahmoud Abdolhoseini
- School of Electrical Engineering and Computer Science, University of Newcastle, Callaghan, NSW, Australia
| | - Murielle Kluge
- School of Biomedical Sciences and Pharmacy and the Priority Research Centre for Stroke and Brain Injury, University of Newcastle, Callaghan, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Sarah J Johnson
- School of Electrical Engineering and Computer Science, University of Newcastle, Callaghan, NSW, Australia
| | - Frederick R Walker
- School of Biomedical Sciences and Pharmacy and the Priority Research Centre for Stroke and Brain Injury, University of Newcastle, Callaghan, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia; NHMRC Centre of Research Excellence Stroke Rehabilitation and Brain Recovery, Australia.
| | - Michael Nilsson
- School of Biomedical Sciences and Pharmacy and the Priority Research Centre for Stroke and Brain Injury, University of Newcastle, Callaghan, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia; NHMRC Centre of Research Excellence Stroke Rehabilitation and Brain Recovery, Australia
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19
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Neuroplasticity and second messenger pathways in antidepressant efficacy: pharmacogenetic results from a prospective trial investigating treatment resistance. Eur Arch Psychiatry Clin Neurosci 2017; 267:723-735. [PMID: 28260126 DOI: 10.1007/s00406-017-0766-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 01/14/2017] [Indexed: 02/06/2023]
Abstract
Genes belonging to neuroplasticity, monoamine, circadian rhythm, and transcription factor pathways were investigated as modulators of antidepressant efficacy. The present study aimed (1) to replicate previous findings in an independent sample with treatment-resistant depression (TRD), and (2) to perform a pathway analysis to investigate the possible molecular mechanisms involved. 220 patients with major depressive disorder who were non-responders to a previous antidepressant were treated with venlafaxine for 4-6 weeks and in case of non-response with escitalopram for 4-6 weeks. Symptoms were assessed using the Montgomery Asberg Depression Rating Scale. The phenotypes were response and remission to venlafaxine, non-response (TRDA) and non-remission (TRDB) to neither venlafaxine nor escitalopram. 50 tag SNPs in 14 genes belonging to the pathways of interest were tested for association with phenotypes. Molecular pathways (KEGG database) that included one or more of the genes associated with the phenotypes were investigated also in the STAR*D sample. The associations between ZNF804A rs7603001 and response, CREB1 rs2254137 and remission were replicated, as well as CHL1 rs2133402 and lower risk of TRD. Other CHL1 SNPs were potential predictors of TRD (rs1516340, rs2272522, rs1516338, rs2133402). The MAPK1 rs6928 SNP was consistently associated with all the phenotypes. The protein processing in endoplasmic reticulum pathway (hsa04141) was the best pathway that may explain the mechanisms of MAPK1 involvement in antidepressant response. Signals in genes previously associated with antidepressant efficacy were confirmed for CREB1, ZNF804A and CHL1. These genes play pivotal roles in synaptic plasticity, neural activity and connectivity.
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Sawamoto A, Okuyama S, Amakura Y, Yoshimura M, Yamada T, Yokogoshi H, Nakajima M, Furukawa Y. 3,5,6,7,8,3',4'-Heptamethoxyflavone Ameliorates Depressive-Like Behavior and Hippocampal Neurochemical Changes in Chronic Unpredictable Mild Stressed Mice by Regulating the Brain-Derived Neurotrophic Factor: Requirement for ERK Activation. Int J Mol Sci 2017; 18:ijms18102133. [PMID: 29023414 PMCID: PMC5666815 DOI: 10.3390/ijms18102133] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/06/2017] [Accepted: 10/09/2017] [Indexed: 01/07/2023] Open
Abstract
We previously reported that the subcutaneous administration of 3,5,6,7,8,3',4'-heptamethoxyflavone (HMF), a citrus polymethoxyflavone, attenuated depressive-like behavior and increased the expression of brain-derived neurotrophic factor (BDNF) in the hippocampus of a corticosterone-induced depression-like mouse model. We herein demonstrated that (1) HMF was detectable in the brain 10 and 30 min after its oral administration, (2) orally administered HMF improved chronic unpredictable mild stress (CUMS)-induced pathological conditions, including body weight loss and depressive-like behavior, and CUMS-induced neurochemical changes, such as reduction in BDNF expression, decrease in neurogenesis, and decreased level of phosphorylated calcium-calmodulin-dependent protein kinase II in the hippocampus, and (3) these effects of HMF were inhibited by the pre-administration of U0126, a mitogen-activated protein (MAP) kinase inhibitor. These results suggest that orally administered HMF is beneficial for the upregulation of BDNF in the hippocampus via the extracellular signal-regulated kinase1/2 (ERK1/2)/MAP system, which may account for its antidepression effects.
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Affiliation(s)
- Atsushi Sawamoto
- Department of Pharmaceutical Pharmacology, Graduate school of Clinical Pharmacy, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime 790-8578, Japan.
| | - Satoshi Okuyama
- Department of Pharmaceutical Pharmacology, Graduate school of Clinical Pharmacy, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime 790-8578, Japan.
| | - Yoshiaki Amakura
- Department of Pharmacognosy, Graduate school of Clinical Pharmacy, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime 790-8578, Japan.
| | - Morio Yoshimura
- Department of Pharmacognosy, Graduate school of Clinical Pharmacy, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime 790-8578, Japan.
| | - Takashi Yamada
- Department of Food and Nutritional Sciences, College of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan.
| | - Hidehiko Yokogoshi
- Department of Food and Nutritional Sciences, College of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan.
| | - Mitsunari Nakajima
- Department of Pharmaceutical Pharmacology, Graduate school of Clinical Pharmacy, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime 790-8578, Japan.
| | - Yoshiko Furukawa
- Department of Pharmaceutical Pharmacology, Graduate school of Clinical Pharmacy, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime 790-8578, Japan.
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Adachi M, Autry AE, Mahgoub M, Suzuki K, Monteggia LM. TrkB Signaling in Dorsal Raphe Nucleus is Essential for Antidepressant Efficacy and Normal Aggression Behavior. Neuropsychopharmacology 2017; 42:886-894. [PMID: 27634357 PMCID: PMC5312065 DOI: 10.1038/npp.2016.201] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 08/05/2016] [Accepted: 09/02/2016] [Indexed: 01/09/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) and its high affinity receptor, tropomyosin receptor kinase B (TrkB), have important roles in neural plasticity and are required for antidepressant efficacy. Studies examining the role of BDNF-TrkB signaling in depression and antidepressant efficacy have largely focused on the limbic system, leaving it unclear whether this signaling is important in other brain regions. BDNF and TrkB are both highly expressed in the dorsal raphe nucleus (DRN), a brain region that has been suggested to have a role in depression and antidepressant action, although it is unknown whether BDNF and TrkB in the dorsal raphe nucleus are involved in these processes. We combined the adeno-associated virus (AAV) with the Cre-loxP site-specific recombination system to selectively knock down either Bdnf or TrkB in the DRN. These mice were then characterized in several behavioral paradigms including measures of depression-related behavior and antidepressant efficacy. We show that knockdown of TrkB, but not Bdnf, in the DRN results in loss of antidepressant efficacy and increased aggression-related behavior. We also show that knockdown of TrkB or Bdnf in this brain region does not have an impact on weight, activity levels, anxiety, or depression-related behaviors. These data reveal a critical role for TrkB signaling in the DRN in mediating antidepressant responses and normal aggression behavior. The results also suggest a non-cell autonomous role for BDNF in the DRN in mediating antidepressant efficacy.
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Affiliation(s)
- Megumi Adachi
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Anita E Autry
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Melissa Mahgoub
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kanzo Suzuki
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lisa M Monteggia
- Department of Neuroscience, The University of Texas Southwestern Medical Center, Dallas, TX, USA,Department of Neuroscience, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, NB4, Dallas, TX 75390-9111, USA. Tel: +214 648 5548, Fax: +214 648 4947, E-mail:
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22
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He X, Zhu Y, Wang M, Jing G, Zhu R, Wang S. Antidepressant effects of curcumin and HU-211 coencapsulated solid lipid nanoparticles against corticosterone-induced cellular and animal models of major depression. Int J Nanomedicine 2016; 11:4975-4990. [PMID: 27757031 PMCID: PMC5055126 DOI: 10.2147/ijn.s109088] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Major depression is a complex neuropsychiatric disorder with few treatment approaches. The use of nontargeted antidepressants induced many side effects with their low efficacy. A more precise targeting strategy is to develop nanotechnology-based drug delivery systems; hence, we employed solid lipid nanoparticles (SLNs) to encapsulate HU-211 and curcumin (Cur). The antidepressant effects of the dual-drug nanoparticles (Cur/SLNs-HU-211) for major depression treatment were investigated in corticosterone-induced cellular and animal models of major depression. Cur/SLNs-HU-211 can effectively protect PC12 cells from corticosterone-induced apoptosis and can release more dopamine, which may be associated with the higher uptake of Cur/SLNs-HU-211 shown by cellular uptake behavior analysis. Additionally, Cur/SLNs-HU-211 significantly reduced the immobility time in forced swim test, enhanced fall latency in rotarod test, and improved the level of dopamine in mice blood. Cur/SLNs-HU-211 can deliver more Cur to the brain and thus produce a significant increase in neurotransmitters level in brain tissue, especially in the hippocampus and striatum. The results of Western blot and immunofluorescence revealed that Cur/SLNs-HU-211 can significantly enhance the expression of CB1, p-MEK1, and p-ERK1/2. Our study suggests that Cur/SLNs-HU-211 may have great potential for major depression treatment.
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Affiliation(s)
- Xiaolie He
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
| | - Yanjing Zhu
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
| | - Mei Wang
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
| | - Guoxin Jing
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
| | - Rongrong Zhu
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
| | - Shilong Wang
- Research Center for Translational Medicine at East Hospital, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
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Wang CC, Wee HY, Chio CC, Hu CY, Kuo JR. Effects of tamoxifen on traumatic brain injury-induced depression in male rats. FORMOSAN JOURNAL OF SURGERY 2016. [DOI: 10.1016/j.fjs.2015.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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3,5,6,7,8,3',4'-Heptamethoxyflavone, a Citrus Flavonoid, Ameliorates Corticosterone-Induced Depression-like Behavior and Restores Brain-Derived Neurotrophic Factor Expression, Neurogenesis, and Neuroplasticity in the Hippocampus. Molecules 2016; 21:541. [PMID: 27120588 PMCID: PMC6273269 DOI: 10.3390/molecules21040541] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 04/20/2016] [Accepted: 04/21/2016] [Indexed: 01/08/2023] Open
Abstract
We previously reported that the citrus flavonoid 3,5,6,7,8,3′,4′-heptamethoxyflavone (HMF) increased the expression of brain-derived neurotrophic factor (BDNF) in the hippocampus of a transient global ischemia mouse model. Since the BDNF hypothesis of depression postulates that a reduction in BDNF is directly involved in the pathophysiology of depression, we evaluated the anti-depressive effects of HMF in mice with subcutaneously administered corticosterone at a dose of 20 mg/kg/day for 25 days. We demonstrated that the HMF treatment ameliorated (1) corticosterone-induced body weight loss, (2) corticosterone-induced depression-like behavior, and (3) corticosterone-induced reductions in BDNF production in the hippocampus. We also showed that the HMF treatment restored (4) corticosterone-induced reductions in neurogenesis in the dentate gyrus subgranular zone and (5) corticosterone-induced reductions in the expression levels of phosphorylated calcium-calmodulin-dependent protein kinase II and extracellular signal-regulated kinase1/2. These results suggest that HMF exerts its effects as an anti-depressant drug by inducing the expression of BDNF.
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Kim S, Kim S, Khalid A, Jeong Y, Jeong B, Lee ST, Jung KH, Chu K, Lee SK, Jeon D. Rhythmical Photic Stimulation at Alpha Frequencies Produces Antidepressant-Like Effects in a Mouse Model of Depression. PLoS One 2016; 11:e0145374. [PMID: 26727023 PMCID: PMC4699699 DOI: 10.1371/journal.pone.0145374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 12/01/2015] [Indexed: 11/27/2022] Open
Abstract
Current therapies for depression consist primarily of pharmacological agents, including antidepressants, and/or psychiatric counseling, such as psychotherapy. However, light therapy has recently begun to be considered as an effective tool for the treatment of the neuropsychiatric behaviors and symptoms of a variety of brain disorders or diseases, including depression. One methodology employed in light therapy involves flickering photic stimulation within a specific frequency range. The present study investigated whether flickering and flashing photic stimulation with light emitting diodes (LEDs) could improve depression-like behaviors in a corticosterone (CORT)-induced mouse model of depression. Additionally, the effects of the flickering and flashing lights on depressive behavior were compared with those of fluoxetine. Rhythmical flickering photic stimulation at alpha frequencies from 9–11 Hz clearly improved performance on behavioral tasks assessing anxiety, locomotor activity, social interaction, and despair. In contrast, fluoxetine treatment did not strongly improve behavioral performance during the same period compared with flickering photic stimulation. The present findings demonstrated that LED-derived flickering photic stimulation more rapidly improved behavioral outcomes in a CORT-induced mouse model of depression compared with fluoxetine. Thus, the present study suggests that rhythmical photic stimulation at alpha frequencies may aid in the improvement of the quality of life of patients with depression.
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Affiliation(s)
- Shinheun Kim
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Yuseong, Daejeon, Republic of Korea
| | - Sangwoo Kim
- Laboratory for Neurotherapeutics, Department of Neurology, Comprehensive Epilepsy Center, Biomedical Research Institute, Seoul National University Hospital (SNUH), Jongno-gu, Seoul, Republic of Korea
| | - Arshi Khalid
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Yuseong, Daejeon, Republic of Korea
| | - Yong Jeong
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Yuseong, Daejeon, Republic of Korea
| | - Bumseok Jeong
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Yuseong, Daejeon, Republic of Korea
| | - Soon-Tae Lee
- Laboratory for Neurotherapeutics, Department of Neurology, Comprehensive Epilepsy Center, Biomedical Research Institute, Seoul National University Hospital (SNUH), Jongno-gu, Seoul, Republic of Korea
| | - Keun-Hwa Jung
- Laboratory for Neurotherapeutics, Department of Neurology, Comprehensive Epilepsy Center, Biomedical Research Institute, Seoul National University Hospital (SNUH), Jongno-gu, Seoul, Republic of Korea
| | - Kon Chu
- Laboratory for Neurotherapeutics, Department of Neurology, Comprehensive Epilepsy Center, Biomedical Research Institute, Seoul National University Hospital (SNUH), Jongno-gu, Seoul, Republic of Korea
- * E-mail: (DJ); (KC); (SKL)
| | - Sang Kun Lee
- Laboratory for Neurotherapeutics, Department of Neurology, Comprehensive Epilepsy Center, Biomedical Research Institute, Seoul National University Hospital (SNUH), Jongno-gu, Seoul, Republic of Korea
- * E-mail: (DJ); (KC); (SKL)
| | - Daejong Jeon
- Laboratory for Neurotherapeutics, Department of Neurology, Comprehensive Epilepsy Center, Biomedical Research Institute, Seoul National University Hospital (SNUH), Jongno-gu, Seoul, Republic of Korea
- * E-mail: (DJ); (KC); (SKL)
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Chabry J, Nicolas S, Cazareth J, Murris E, Guyon A, Glaichenhaus N, Heurteaux C, Petit-Paitel A. Enriched environment decreases microglia and brain macrophages inflammatory phenotypes through adiponectin-dependent mechanisms: Relevance to depressive-like behavior. Brain Behav Immun 2015. [PMID: 26209808 DOI: 10.1016/j.bbi.2015.07.018] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Regulation of neuroinflammation by glial cells plays a major role in the pathophysiology of major depression. While astrocyte involvement has been well described, the role of microglia is still elusive. Recently, we have shown that Adiponectin (ApN) plays a crucial role in the anxiolytic/antidepressant neurogenesis-independent effects of enriched environment (EE) in mice; however its mechanisms of action within the brain remain unknown. Here, we show that in a murine model of depression induced by chronic corticosterone administration, the hippocampus and the hypothalamus display increased levels of inflammatory cytokines mRNA, which is reversed by EE housing. By combining flow cytometry, cell sorting and q-PCR, we show that microglia from depressive-like mice adopt a pro-inflammatory phenotype characterized by higher expression levels of IL-1β, IL-6, TNF-α and IκB-α mRNAs. EE housing blocks pro-inflammatory cytokine gene induction and promotes arginase 1 mRNA expression in brain-sorted microglia, indicating that EE favors an anti-inflammatory activation state. We show that microglia and brain-macrophages from corticosterone-treated mice adopt differential expression profiles for CCR2, MHC class II and IL-4recα surface markers depending on whether the mice are kept in standard environment or EE. Interestingly, the effects of EE were abolished when cells are isolated from ApN knock-out mouse brains. When injected intra-cerebroventricularly, ApN, whose level is specifically increased in cerebrospinal fluid of depressive mice raised in EE, rescues microglia phenotype, reduces pro-inflammatory cytokine production by microglia and blocks depressive-like behavior in corticosterone-treated mice. Our data suggest that EE-induced ApN increase within the brain regulates microglia and brain macrophages phenotype and activation state, thus reducing neuroinflammation and depressive-like behaviors in mice.
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Affiliation(s)
- Joëlle Chabry
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Sarah Nicolas
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Julie Cazareth
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Emilie Murris
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Alice Guyon
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Nicolas Glaichenhaus
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Catherine Heurteaux
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France
| | - Agnès Petit-Paitel
- Université de Nice Sophia Antipolis, 06103 Nice, France; Centre National de la Recherche Scientifique (CNRS), Institut de Pharmacologie Moléculaire et Cellulaire, UMR 7275, 06560 Valbonne, France.
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TNF-α-induced depressive-like phenotype and p38(MAPK) activation are abolished by ascorbic acid treatment. Eur Neuropsychopharmacol 2015; 25:902-12. [PMID: 25836357 DOI: 10.1016/j.euroneuro.2015.03.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Revised: 02/23/2015] [Accepted: 03/09/2015] [Indexed: 01/02/2023]
Abstract
We investigated the effects of ascorbic acid on depressive-like behavior induced by tumor necrosis factor (TNF-α) in mice. Additionally, we examined the effects of combined administration of ascorbic acid and antidepressants, MK-801 and 7-nitroindazole in mice exposed or not to TNF-α and the capacity of TNF-α and ascorbic acid to modulate hippocampal and cerebrocortical phosphorylation of extracellular signal-regulated kinase (ERK), p38(MAPK) and c-Jun N-terminal kinase (JNK). In control animals, ascorbic acid reduced the immobility time in the tail suspension test (TST). Unilateral intracerebroventricular administration of TNF-α produced a depressive-like behavior in the TST, and the treatment with ascorbic acid prevented this effect. Sub-effective dose of ascorbic acid combined with sub-effective doses of fluoxetine, imipramine, bupropion, MK-801 or 7-nitroindazole produced a synergistic antidepressant-like effect in mice exposed or not to TNF-α. No treatment caused significant alterations in the locomotor activity of mice. Administration of TNF-α increased the phosphorylation of p38(MAPK) in hippocampus and cerebral cortex, and the treatment with ascorbic acid prevented this effect. Ascorbic acid increased phosphorylation of ERK1 in the hippocampus of saline- and TNF-α-treated animals, however it did not produce alterations in the cerebral cortex. No effects on phosphorylation of ERK2 or JNK were found. The observed effect of ascorbic acid seems to be associated, at least partially, with a reduced p38(MAPK) phosphorylation, activation of the monoaminergic systems as well as inhibition of N-methyl-D-aspartate (NMDA) receptors and nitric oxide (NO) synthesis.
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Shibata S, Iinuma M, Soumiya H, Fukumitsu H, Furukawa Y, Furukawa S. A novel 2-decenoic acid thioester ameliorates corticosterone-induced depression- and anxiety-like behaviors and normalizes reduced hippocampal signal transduction in treated mice. Pharmacol Res Perspect 2015; 3:e00132. [PMID: 26038707 PMCID: PMC4448981 DOI: 10.1002/prp2.132] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 01/26/2015] [Accepted: 02/02/2015] [Indexed: 01/14/2023] Open
Abstract
We characterized mice administered corticosterone (CORT) at a dose of 20 mg/kg for 3 weeks to determine their suitability as a model of mood disorders and found that the time immobilized in the tail suspension test was longer and the time spent in the open arms of the elevated plus-maze test was shorter than those of the vehicle-treated group, findings demonstrating that chronic CORT induced both depression-like and anxiety-like behaviors. Furthermore, the levels of phosphorylated extracellular signal-regulated kinase (pERK) 1/2 in the hippocampus and cerebral cortex were reduced in the CORT-treated group. Using this model, we investigated the protective effect of the ester, thioester, and amide compounds of 2-decenoic acid derivatives (termed compounds A, B, and C, respectively). The potency of the protective activity against the CORT-induced depression-like or anxiety-like behaviors and the reduction in pERK1/2 level were found to be in the following order: compound B > compound C > compound A. Therefore, we further investigated the therapeutic activity of only compound B, and its effect on depression-like behavior was observed after oral administration for 1 or 2 weeks, and its effect on anxiety-like behavior was observed after oral administration for 3 weeks. The ratios of phosphorylated ERK1/2, Akt, and cAMP-response element-binding protein to their respective nonphosphorylated forms were smaller in the CORT-treated group than in the vehicle-treated group; however, subsequent treatment with compound B at either 0.3 or 1.5 mg/kg significantly ameliorated this reduction. Compound B appeared to elicit intracellular signaling, similar to that elicited by brain-derived neurotrophic factor, and its mode of action was shown to be novel and different from that of fluvoxamine, a currently prescribed drug for mood disorders.
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Affiliation(s)
- Shoyo Shibata
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University Daigaku-nishi 1-25-4, Gifu, 501-1196, Japan
| | - Munekazu Iinuma
- Laboratory of Pharmacognosy, Department of Bioactive Molecules, Gifu Pharmaceutical University Daigaku-nishi 1-25-4, Gifu, 501-1196, Japan
| | - Hitomi Soumiya
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University Daigaku-nishi 1-25-4, Gifu, 501-1196, Japan
| | - Hidefumi Fukumitsu
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University Daigaku-nishi 1-25-4, Gifu, 501-1196, Japan
| | - Yoshiko Furukawa
- Department of Pharmaceutical Pharmacology, Faculty of Pharmaceutical Sciences, Matsuyama University Bunkyo-cho 4-2, Matsuyama, Ehime, 790-8578, Japan
| | - Shoei Furukawa
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University Daigaku-nishi 1-25-4, Gifu, 501-1196, Japan
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Khalid A, Kim BS, Chung MK, Ye JC, Jeon D. Tracing the evolution of multi-scale functional networks in a mouse model of depression using persistent brain network homology. Neuroimage 2014; 101:351-63. [PMID: 25064667 DOI: 10.1016/j.neuroimage.2014.07.040] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 07/10/2014] [Accepted: 07/17/2014] [Indexed: 01/24/2023] Open
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Mao QQ, Huang Z, Zhong XM, Xian YF, Ip SP. Piperine reverses the effects of corticosterone on behavior and hippocampal BDNF expression in mice. Neurochem Int 2014; 74:36-41. [DOI: 10.1016/j.neuint.2014.04.017] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 04/15/2014] [Accepted: 04/29/2014] [Indexed: 01/02/2023]
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Levinstein MR, Samuels BA. Mechanisms underlying the antidepressant response and treatment resistance. Front Behav Neurosci 2014; 8:208. [PMID: 25018708 PMCID: PMC4073308 DOI: 10.3389/fnbeh.2014.00208] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 05/22/2014] [Indexed: 12/28/2022] Open
Abstract
Depression is a complex and heterogeneous disorder affecting millions of Americans. There are several different medications and other treatments that are available and effective for many patients with depression. However, a substantial percentage of patients fail to achieve remission with these currently available interventions, and relapse rates are high. Therefore, it is necessary to determine both the mechanisms underlying the antidepressant response and the differences between responders and non-responders to treatment. Delineation of these mechanisms largely relies on experiments that utilize animal models. Therefore, this review provides an overview of the various mouse models that are currently used to assess the antidepressant response, such as chronic mild stress, social defeat, and chronic corticosterone. We discuss how these mouse models can be used to advance our understanding of the differences between responders and non-responders to antidepressant treatment. We also provide an overview of experimental treatment modalities that are used for treatment-resistant depression, such as deep brain stimulation and ketamine administration. We will then review the various genetic polymorphisms and transgenic mice that display resistance to antidepressant treatment. Finally, we synthesize the published data to describe a potential neural circuit underlying the antidepressant response and treatment resistance.
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Affiliation(s)
- Marjorie R Levinstein
- Department of Psychiatry, New York State Psychiatric Institute, Columbia University Medical Center, Research Foundation for Mental Hygiene, Inc. New York, NY, USA
| | - Benjamin A Samuels
- Department of Psychiatry, New York State Psychiatric Institute, Columbia University Medical Center, Research Foundation for Mental Hygiene, Inc. New York, NY, USA
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An organoselenium compound improves behavioral, endocrinal and neurochemical changes induced by corticosterone in mice. Psychopharmacology (Berl) 2014; 231:2119-30. [PMID: 24306280 DOI: 10.1007/s00213-013-3361-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Accepted: 11/14/2013] [Indexed: 12/14/2022]
Abstract
RATIONALE 3-(4-Fluorophenylselenyl)-2,5-diphenylselenophene (F-DPS) is a promising organoselenium compound that shows antidepressant-like properties related to interaction with the serotonergic system. OBJECTIVES In this study, a mouse model of anxiety/depressant-like behavior induced by long-term corticosterone treatment was used to evaluate behavioral, endocrinal, and neurochemical changes in mice and their possible modulation of F-DPS treatment. METHODS Swiss mice were subjected to 4 weeks of corticosterone administration (20 μg/ml in drinking water) and a new therapeutic approach with F-DPS (0.1 mg/kg/day, intragastric route, during 1 week) was employed to modulate changes induced by corticosterone exposure. RESULTS Treatment with corticosterone caused a significant depressant-like behavior in the forced swimming test and tail suspension test, which was accompanied by anxiety-like condition in the light-dark test and novelty suppressed-feeding; similarly to the classical antidepressant drug paroxetine, F-DPS treatment was effective in reversing these behavioral changes. Further, F-DPS normalized serum levels of corticosterone and adrenocorticotropic hormone, which were increased after corticosterone exposure. Corticosterone also significantly inhibited glutamate uptake in the prefrontal cortex of mice, whereas glutamate release was not modified. Besides normalizing glutamate uptake in the corticosterone-exposed mice, F-DPS promoted an inhibition of 5-HT uptake in the prefrontal cortex and hippocampus. In addition, hippocampal monoamine oxidase-A activity was also inhibited by F-DPS treatment. CONCLUSIONS These findings suggest a modulation of both serotonergic and glutamatergic systems by F-DPS after a long-term corticosterone exposure in mice, which may be involved in the antidepressant- and anxiolytic-like actions of this organoselenium compound.
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Monsey MS, Boyle LM, Zhang ML, Nguyen CP, Kronman HG, Ota KT, Duman RS, Taylor JR, Schafe GE. Chronic corticosterone exposure persistently elevates the expression of memory-related genes in the lateral amygdala and enhances the consolidation of a Pavlovian fear memory. PLoS One 2014; 9:e91530. [PMID: 24618807 PMCID: PMC3950278 DOI: 10.1371/journal.pone.0091530] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2014] [Accepted: 02/11/2014] [Indexed: 01/22/2023] Open
Abstract
Chronic exposure to stress has been widely implicated in the development of anxiety disorders, yet relatively little is known about the long-term effects of chronic stress on amygdala-dependent memory formation. Here, we examined the effects of a history of chronic exposure to the stress-associated adrenal steroid corticosterone (CORT) on the consolidation of a fear memory and the expression of memory-related immediate early genes (IEGs) in the lateral nucleus of the amygdala (LA). Rats received chronic exposure to CORT (50 μg/ml) in their drinking water for 2 weeks and were then titrated off the CORT for an additional 6 days followed by a 2 week ‘wash-out’ period consisting of access to plain water. Rats were then either sacrificed to examine the expression of memory-related IEG expression in the LA or given auditory Pavlovian fear conditioning. We show that chronic exposure to CORT leads to a persistent elevation in the expression of the IEGs Arc/Arg3.1 and Egr-1 in the LA. Further, we show that rats with a history of chronic CORT exposure exhibit enhanced consolidation of a fear memory; short-term memory (STM) is not affected, while long-term memory (LTM) is significantly enhanced. Treatment with the selective serotonin reuptake inhibitor (SSRI) fluoxetine following the chronic CORT exposure period was observed to effectively reverse both the persistent CORT-related increases in memory-related IEG expression in the LA and the CORT-related enhancement in fear memory consolidation. Our findings suggest that chronic exposure to CORT can regulate memory-related IEG expression and fear memory consolidation processes in the LA in a long-lasting manner and that treatment with fluoxetine can reverse these effects.
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Affiliation(s)
- Melissa S. Monsey
- Department of Psychology, Yale University, New Haven, Connecticut, United States of America
| | - Lara M. Boyle
- Department of Psychology, Yale University, New Haven, Connecticut, United States of America
| | - Melinda L. Zhang
- Department of Psychology, Yale University, New Haven, Connecticut, United States of America
| | - Caroline P. Nguyen
- Department of Psychology, Yale University, New Haven, Connecticut, United States of America
| | - Hope G. Kronman
- Department of Psychology, Yale University, New Haven, Connecticut, United States of America
| | - Kristie T. Ota
- Department of Psychiatry, Yale University, New Haven, Connecticut, United States of America
| | - Ronald S. Duman
- Interdepartmental Neuroscience Program, Yale University, New Haven, Connecticut, United States of America
- Department of Psychiatry, Yale University, New Haven, Connecticut, United States of America
| | - Jane R. Taylor
- Interdepartmental Neuroscience Program, Yale University, New Haven, Connecticut, United States of America
- Department of Psychiatry, Yale University, New Haven, Connecticut, United States of America
| | - Glenn E. Schafe
- Department of Psychology, The City University of New York, New York, New York, United States of America
- Center for Study of Gene Structure and Function, Hunter College, The City University of New York, New York, New York, United States of America
- The Graduate Center, The City University of New York, New York, New York, United States of America
- * E-mail:
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Iñiguez SD, Alcantara LF, Warren BL, Riggs LM, Parise EM, Vialou V, Wright KN, Dayrit G, Nieto SJ, Wilkinson MB, Lobo MK, Neve RL, Nestler EJ, Bolaños-Guzmán CA. Fluoxetine exposure during adolescence alters responses to aversive stimuli in adulthood. J Neurosci 2014; 34:1007-21. [PMID: 24431458 PMCID: PMC3891944 DOI: 10.1523/jneurosci.5725-12.2014] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 11/30/2013] [Accepted: 12/06/2013] [Indexed: 11/21/2022] Open
Abstract
The mechanisms underlying the enduring neurobiological consequences of antidepressant exposure during adolescence are poorly understood. Here, we assessed the long-term effects of exposure to fluoxetine (FLX), a selective serotonin reuptake inhibitor, during adolescence on behavioral reactivity to emotion-eliciting stimuli. We administered FLX (10 mg/kg, bi-daily, for 15 d) to male adolescent [postnatal day 35 (P35) to P49] C57BL/6 mice. Three weeks after treatment (P70), reactivity to aversive stimuli (i.e., social defeat stress, forced swimming, and elevated plus maze) was assessed. We also examined the effects of FLX on the expression of extracellular signal-regulated kinase (ERK) 1/2-related signaling within the ventral tegmental area (VTA) of adolescent mice and Sprague Dawley rats. Adolescent FLX exposure suppressed depression-like behavior, as measured by the social interaction and forced swim tests, while enhancing anxiety-like responses in the elevated plus maze in adulthood. This complex behavioral profile was accompanied by decreases in ERK2 mRNA and protein phosphorylation within the VTA, while stress alone resulted in opposite neurobiological effects. Pharmacological (U0126) inhibition, as well as virus-mediated downregulation of ERK within the VTA mimicked the antidepressant-like profile observed after juvenile FLX treatment. Conversely, overexpression of ERK2 induced a depressive-like response, regardless of FLX pre-exposure. These findings demonstrate that exposure to FLX during adolescence modulates responsiveness to emotion-eliciting stimuli in adulthood, at least partially, via long-lasting adaptations in ERK-related signaling within the VTA. Our results further delineate the role ERK plays in regulating mood-related behaviors across the lifespan.
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Affiliation(s)
- Sergio D. Iñiguez
- Department of Psychology, California State University, San Bernardino, California 92407
| | - Lyonna F. Alcantara
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, Florida 32306
| | - Brandon L. Warren
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, Florida 32306
| | - Lace M. Riggs
- Department of Psychology, California State University, San Bernardino, California 92407
| | - Eric M. Parise
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, Florida 32306
| | - Vincent Vialou
- Fishberg Department of Neuroscience, Mount Sinai School of Medicine, New York, New York 10029
| | - Katherine N. Wright
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, Florida 32306
| | - Genesis Dayrit
- Department of Psychology, California State University, San Bernardino, California 92407
| | - Steven J. Nieto
- Department of Psychology, California State University, San Bernardino, California 92407
| | - Matthew B. Wilkinson
- Fishberg Department of Neuroscience, Mount Sinai School of Medicine, New York, New York 10029
| | - Mary K. Lobo
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland 21201, and
| | - Rachael L. Neve
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Eric J. Nestler
- Fishberg Department of Neuroscience, Mount Sinai School of Medicine, New York, New York 10029
| | - Carlos A. Bolaños-Guzmán
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, Florida 32306
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Renoir T, Hasebe K, Gray L. Mind and body: how the health of the body impacts on neuropsychiatry. Front Pharmacol 2013; 4:158. [PMID: 24385966 PMCID: PMC3866391 DOI: 10.3389/fphar.2013.00158] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Accepted: 11/30/2013] [Indexed: 12/24/2022] Open
Abstract
It has long been established in traditional forms of medicine and in anecdotal knowledge that the health of the body and the mind are inextricably linked. Strong and continually developing evidence now suggests a link between disorders which involve Hypothalamic-Pituitary-Adrenal axis (HPA) dysregulation and the risk of developing psychiatric disease. For instance, adverse or excessive responses to stressful experiences are built into the diagnostic criteria for several psychiatric disorders, including depression and anxiety disorders. Interestingly, peripheral disorders such as metabolic disorders and cardiovascular diseases are also associated with HPA changes. Furthermore, many other systemic disorders associated with a higher incidence of psychiatric disease involve a significant inflammatory component. In fact, inflammatory and endocrine pathways seem to interact in both the periphery and the central nervous system (CNS) to potentiate states of psychiatric dysfunction. This review synthesizes clinical and animal data looking at interactions between peripheral and central factors, developing an understanding at the molecular and cellular level of how processes in the entire body can impact on mental state and psychiatric health.
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Affiliation(s)
- Thibault Renoir
- Melbourne Brain Centre, Florey Institute of Neuroscience and Mental Health, University of MelbourneMelbourne, VIC, Australia
| | - Kyoko Hasebe
- School of Medicine, Deakin UniversityGeelong, VIC, Australia
| | - Laura Gray
- School of Medicine, Deakin UniversityGeelong, VIC, Australia
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Flattening plasma corticosterone levels increases the prevalence of serotonergic dorsal raphe neurons inhibitory responses to nicotine in adrenalectomised rats. Brain Res Bull 2013; 98:10-22. [DOI: 10.1016/j.brainresbull.2013.07.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 07/05/2013] [Accepted: 07/10/2013] [Indexed: 11/18/2022]
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Calati R, Crisafulli C, Balestri M, Serretti A, Spina E, Calabrò M, Sidoti A, Albani D, Massat I, Höfer P, Amital D, Juven-Wetzler A, Kasper S, Zohar J, Souery D, Montgomery S, Mendlewicz J. Evaluation of the role of MAPK1 and CREB1 polymorphisms on treatment resistance, response and remission in mood disorder patients. Prog Neuropsychopharmacol Biol Psychiatry 2013; 44:271-8. [PMID: 23537502 DOI: 10.1016/j.pnpbp.2013.03.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 02/11/2013] [Accepted: 03/17/2013] [Indexed: 01/21/2023]
Abstract
Treatment resistant depression (TRD) is a significant clinical and public health problem. Among others, neuroplasticity and inflammatory pathways seem to play a crucial role in the pathomechanisms of antidepressant efficacy. The primary aim of this study was to investigate whether a set of single nucleotide polymorphisms (SNPs) within two genes implicated in neuroplasticity and inflammatory processes (the mitogen activated protein kinase 1, MAPK1 (rs3810608, rs6928, rs13515 and rs8136867), and the cyclic AMP responsive element binding protein 1, CREB1 (rs889895, rs6740584, rs2551922 and rs2254137)) was associated with antidepressant treatment resistance (according to two different definitions), in 285 Major Depressive Disorder (MDD) patients. As secondary aims, we investigated the genetic modulation of the same SNPs on response, remission and other clinical features both in MDD patients and in a larger sample including 82 Bipolar Disorder (BD) patients as well. All patients were screened in the context of a European multicenter project. No association between both the investigated genes and treatment resistance and response was found in MDD patients. However, considering remission, higher rates of CREB1 rs889895 GG genotype were reported in MDD patients. Moreover, MAPK1 rs8136867 AG genotype was found to be associated with remission in the whole sample (MDD and BD). Present results suggest that some genetic polymorphisms in both CREB1 and MAPK1 could be associated with treatment remission. Although further research is needed to draw more definitive conclusions, such results are intriguing since suggest a potential role of two genes implicated in neuroplasticity and inflammatory processes in symptom remission after antidepressant treatment.
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Affiliation(s)
- Raffaella Calati
- IRCCS Centro S. Giovanni di Dio, Fatebenefratelli, Brescia, Italy
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Wu TC, Chen HT, Chang HY, Yang CY, Hsiao MC, Cheng ML, Chen JC. Mineralocorticoid receptor antagonist spironolactone prevents chronic corticosterone induced depression-like behavior. Psychoneuroendocrinology 2013; 38:871-83. [PMID: 23044404 DOI: 10.1016/j.psyneuen.2012.09.011] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 09/17/2012] [Accepted: 09/17/2012] [Indexed: 12/22/2022]
Abstract
High level of serum corticosteroid is frequently associated with depression, in which a notable HPA (hypothalamus-pituitary-adrenal) axis hyperactivity is often observed. There are two types of corticosteroid receptors expressed in the hippocampus that provide potent negative feedback regulation on the HPA axis but dysfunction during depression, i.e. the glucocorticoid receptor (GR) and the mineralocorticoid receptor (MR). The balance between hippocampal MR and GR during chronic stress plays an important role in the occurrence of depression. The aim of this study is to explore if chronic corticosterone administration would induce depression-like behavior and affect the expression and function of hippocampal MR and GR, in addition to assess whether manipulation of corticosteroid receptors would modulate depressive behaviors. Hence, mice were treated with corticosterone (40 mg/kg) for 21 days followed by assessment in a battery of depression-like behaviors. The results show that chronic corticosterone-treated animals displayed an increased immobility time in a forced-swimming test, decreased preference to sucrose solution and novel object recognition performance, and enhanced hippocampal serotonin but decreased MR expression in both hippocampus and hypothalamus. On the other hand, co-administration of MR antagonist, spironolactone (25mg/kg, i.p. × 7 days) in corticosteroid-treated animals reduced immobility time in a forced-swimming test and improved performance in a novel object recognition test. In conclusion, we demonstrate that chronic corticosterone treatment triggers several depression-like behaviors, and in parallel, down-regulates MR expression in the hippocampus and hypothalamus. Administration of an MR antagonist confers an anti-depressant effect in chronic corticosterone-treated animals.
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Affiliation(s)
- Ting-Ching Wu
- Department of Physiology and Pharmacology, Graduate Institute of Biomedical Sciences, Chang-Gung University, 259 Wen-Hwa 1st Road, Tao-Yuan 333, Taiwan
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Mendez-David I, Hen R, Gardier AM, David DJ. Adult hippocampal neurogenesis: an actor in the antidepressant-like action. ANNALES PHARMACEUTIQUES FRANÇAISES 2013; 71:143-9. [PMID: 23622692 DOI: 10.1016/j.pharma.2013.02.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2013] [Revised: 02/23/2013] [Accepted: 02/28/2013] [Indexed: 01/20/2023]
Abstract
Depression and anxiety are psychiatric illnesses that are major burdens in society and affect as much as 7% of the world's population. The heterogeneous nature of depression suggests an involvement of multiple distinct brain regions including amygdala, prefrontal cortex and the hippocampus, which may be responsible for the diversity of the symptoms. Besides its critical role in learning and memory, the hippocampus is one of only two areas in mammalian brain where adult neurogenesis occurs. Of the current leading hypotheses of the pathophysiology and treatment of depression, the neurogenesis hypothesis of depression deserves particular attention because changes in neurogenesis are only seen after chronic, but not acute, antidepressant treatment. This review revisits the role of adult hippocampal neurogenesis in the pathophysiology of mood disorders, especially anxiety/depression, and also in the antidepressant-like responses, especially in stressed rodents.
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Affiliation(s)
- I Mendez-David
- EA 3544 pharmacologie des troubles anxio-dépressifs et neurogenèse, faculté de pharmacie, université Paris-Sud, Tour D1, 2(e) étage, 5, rue J.-B.-Clement, 92296 Chatenay-Malabry cedex, France
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Persistent effects of prior chronic exposure to corticosterone on reward-related learning and motivation in rodents. Psychopharmacology (Berl) 2013; 225:569-77. [PMID: 22983097 PMCID: PMC3546199 DOI: 10.1007/s00213-012-2844-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Accepted: 08/06/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Repeated or prolonged exposure to stress has profound effects on a wide spectrum of behavioral and neurobiological processes and has been associated with the pathophysiology of depression. The multifaceted nature of this disorder includes despair, anhedonia, diminished motivation, and disrupted cognition, and it has been proposed that depression is also associated with reduced reward-motivated learning. We have previously reported that prior chronic corticosterone exposure to mice produces a lasting depressive-like state that can be reversed by chronic antidepressant treatment. METHODS In the present study, we tested the effects of prior chronic exposure to corticosterone (50 μg/ml) administered to rats or to mice in drinking water for 14 days followed by dose-tapering over 9 days. RESULTS The exposure to corticosterone produced lasting deficits in the acquisition of reward-related learning tested on a food-motivated instrumental task conducted 10-20 days after the last day of full dose corticosterone exposure. Rats exposed to corticosterone also displayed reduced responding on a progressive ratio schedule of reinforcement when tested on day 21 after exposure. Amitriptyline (200 mg/ml in drinking water) exposure for 14 days to mice produced the opposite effect, enhancing food-motivated instrumental acquisition and performance. Repeated treatment with amitriptyline (5 mg/kg, intraperitoneally; bid) subsequent to corticosterone exposure also prevented the corticosterone-induced deficits in rats. CONCLUSIONS These results are consistent with aberrant reward-related learning and motivational processes in depressive states and provide new evidence that stress-induced neuroadaptive alterations in cortico-limbic-striatal brain circuits involved in learning and motivation may play a critical role in aspects of mood disorders.
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Modulation of neuroplasticity pathways and antidepressant-like behavioural responses following the short-term (3 and 7 days) administration of the 5-HT₄ receptor agonist RS67333. Int J Neuropsychopharmacol 2012; 15:631-43. [PMID: 21733238 DOI: 10.1017/s1461145711000782] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
It has been recently suggested that activation of 5-HT₄ receptors might exert antidepressant-like effects in rats after 3 d treatment, suggesting a new strategy for developing faster-acting antidepressants. We studied the effects of 3 d and 7 d treatment with the 5-HT₄ receptor partial agonist RS67333 (1.5 mg/kg.d) in behavioural tests of chronic efficacy and on neuroplastic-associated changes, such as adult hippocampal neurogenesis, expression of CREB, BDNF, β-catenin, AKT and 5-HT₄ receptor functionality. RS67333 treatment up-regulated hippocampal cell proliferation, β-catenin expression and pCREB/CREB ratio after 3 d treatment. This short-term treatment also reduced immobility time in the forced swim test (FST), together with a partial reversion of the anhedonic-like state (sucrose consumption after chronic corticosterone). Administration of RS67333 for 7 d resulted in a higher increase in the rate of hippocampal cell proliferation, a significant desensitization of 5-HT₄ receptor-coupled adenylate cyclase activity and a more marked increase in the expression of neuroplasticity-related proteins (BDNF, CREB, AKT): these changes reached the same magnitude as those observed after 3 wk administration of classical antidepressants. Consistently, a positive behavioural response in the novelty suppressed feeding (NSF) test and a complete reversion of the anhedonic-like state (sucrose consumption) were also observed after 7 d treatment. These results support the antidepressant-like profile of RS67333 with a shorter onset of action and suggest that this time period of administration (3-7 d) could be a good approximation to experimentally predict the onset of action of this promising strategy.
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Donner NC, Montoya CD, Lukkes JL, Lowry CA. Chronic non-invasive corticosterone administration abolishes the diurnal pattern of tph2 expression. Psychoneuroendocrinology 2012; 37:645-61. [PMID: 21924839 PMCID: PMC3249349 DOI: 10.1016/j.psyneuen.2011.08.008] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2011] [Revised: 07/20/2011] [Accepted: 08/22/2011] [Indexed: 12/25/2022]
Abstract
Both hypothalamic-pituitary-adrenal (HPA) axis activity and serotonergic systems are commonly dysregulated in stress-related psychiatric disorders. We describe here a non-invasive rat model for hypercortisolism, as observed in major depression, and its effects on physiology, behavior, and the expression of tph2, the gene encoding tryptophan hydroxylase 2, the rate-limiting enzyme for brain serotonin (5-hydroxytryptamine; 5-HT) synthesis. We delivered corticosterone (40 μg/ml, 100 μg/ml or 400 μg/ml) or vehicle to adrenal-intact adult, male rats via the drinking water for 3 weeks. On days 15, 16, 17 and 18, respectively, the rats' emotionality was assessed in the open-field (OF), social interaction (SI), elevated plus-maze (EPM), and forced swim tests (FST). On day 21, half of the rats in each group were killed 2h into the dark phase of a 12/12 h reversed light/dark cycle; the other half were killed 2h into the light phase. We then measured indices of HPA axis activity, plasma glucose and interleukin-6 (IL-6) availability, and neuronal tph2 expression at each time point. Chronic corticosterone intake was sufficient to cause increased anxiety- and depressive-like behavior in a dose-dependent manner. It also disrupted the diurnal pattern of plasma adrenocorticotropin (ACTH), corticosterone, and glucose concentrations, caused adrenal atrophy, and prevented regular weight gain. No diurnal or treatment-dependent changes were found for plasma concentrations of IL-6. Remarkably, all doses of corticosterone treatment abolished the diurnal variation of tph2 mRNA expression in the brainstem dorsal raphe nucleus (DR) by elevating the gene's expression during the animals' inactive (light) phase. Our data demonstrate that chronic elevation of corticosterone creates a vulnerability to a depression-like syndrome that is associated with increased tph2 expression, similar to that observed in depressed patients.
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Affiliation(s)
- Nina C Donner
- Department of Integrative Physiology and Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80309-0354, USA.
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Mao QQ, Huang Z, Ip SP, Xian YF, Che CT. Peony glycosides reverse the effects of corticosterone on behavior and brain BDNF expression in rats. Behav Brain Res 2012; 227:305-9. [DOI: 10.1016/j.bbr.2011.11.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2011] [Revised: 11/08/2011] [Accepted: 11/12/2011] [Indexed: 12/30/2022]
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Antidepressant-like properties of oral riluzole and utility of incentive disengagement models of depression in mice. Psychopharmacology (Berl) 2012; 219:805-14. [PMID: 21779782 PMCID: PMC3674097 DOI: 10.1007/s00213-011-2403-4] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Accepted: 06/30/2011] [Indexed: 01/22/2023]
Abstract
RATIONALE The neuroprotective agent riluzole has antidepressant-like properties in humans, but its mechanisms of action are unclear. Despite the increasing utility of transgenic and knockout mice in addressing such issues, previous studies aimed at characterizing biochemical mechanisms have been conducted in rats. OBJECTIVES We sought to optimize an oral riluzole administration protocol with antidepressant-like consequences in C57BL/6 mice, a common background strain in genetically modified mice. METHODS Riluzole (6-60 μg/ml) was dissolved in tap water and replaced regular drinking water for up to 3 weeks; sensitivity to tail suspension, forced swimming, and the locomotor response to extinction training in a model of "incentive disengagement" were tested. Peripheral and central effects of long-term 60-μg/ml treatment were also evaluated. RESULTS Riluzole had dose-dependent antidepressant-like effects in the forced swim test, and like chronic fluoxetine, exerted antidepressant-like actions in an adaptation of the "incentive disengagement" model at the highest concentration tested. This 60-μg/ml concentration also restored hippocampal brain-derived neuroptrophic factor (BDNF) expression after chronic corticosteroid exposure and increased glutamate glial transporter 1 (GLT-1, or EAAT2) expression without significantly affecting baseline locomotor activity, thymus and adrenal gland weights, or blood serum corticosterone. The lowest 6-μg/ml concentration increased locomotor activity, potentially consistent with an anxiolytic-like effect. CONCLUSIONS Riluzole's therapeutic potential for treating mood disorders may involve GLT-1 and BDNF, and we suggest this protocol could be used to further characterize its precise long-term biochemical mechanisms of action in animal models of depression.
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Li N, Liu RJ, Dwyer JM, Banasr M, Lee B, Son H, Li XY, Aghajanian G, Duman RS. Glutamate N-methyl-D-aspartate receptor antagonists rapidly reverse behavioral and synaptic deficits caused by chronic stress exposure. Biol Psychiatry 2011; 69:754-61. [PMID: 21292242 PMCID: PMC3068225 DOI: 10.1016/j.biopsych.2010.12.015] [Citation(s) in RCA: 829] [Impact Index Per Article: 63.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 12/02/2010] [Accepted: 12/05/2010] [Indexed: 12/15/2022]
Abstract
BACKGROUND Despite widely reported clinical and preclinical studies of rapid antidepressant actions of glutamate N-methyl-D-aspartate (NMDA) receptor antagonists, there has been very little work examining the effects of these drugs in stress models of depression that require chronic administration of antidepressants or the molecular mechanisms that could account for the rapid responses. METHODS We used a rat 21-day chronic unpredictable stress (CUS) model to test the rapid actions of NMDA receptor antagonists on depressant-like behavior, neurochemistry, and spine density and synaptic function of prefrontal cortex neurons. RESULTS The results demonstrate that acute treatment with the noncompetitive NMDA channel blocker ketamine or the selective NMDA receptor 2B antagonist Ro 25-6981 rapidly ameliorates CUS-induced anhedonic and anxiogenic behaviors. We also found that CUS exposure decreases the expression levels of synaptic proteins and spine number and the frequency/amplitude of synaptic currents (excitatory postsynaptic currents) in layer V pyramidal neurons in the prefrontal cortex and that these deficits are rapidly reversed by ketamine. Blockade of the mammalian target of rapamycin protein synthesis cascade abolishes both the behavioral and biochemical effects of ketamine. CONCLUSIONS The results indicate that the structural and functional deficits resulting from long-term stress exposure, which could contribute to the pathophysiology of depression, are rapidly reversed by NMDA receptor antagonists in a mammalian target of rapamycin dependent manner.
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Dwivedi Y. Evidence demonstrating role of microRNAs in the etiopathology of major depression. J Chem Neuroanat 2011; 42:142-56. [PMID: 21515361 DOI: 10.1016/j.jchemneu.2011.04.002] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 04/06/2011] [Accepted: 04/06/2011] [Indexed: 01/17/2023]
Abstract
Major depression is a debilitating disease. Despite a tremendous amount of research, the molecular mechanisms associated with the etiopathology of major depression are not clearly understood. Several lines of evidence indicate that depression is associated with altered neuronal and structural plasticity and neurogenesis. MicroRNAs are a newly discovered prominent class of gene expression regulators that have critical roles in neural development, are needed for survival and optimal health of postmitotic neurons, and regulate synaptic functions, particularly by regulating protein synthesis in dendritic spines. In addition, microRNAs (miRNAs) regulate both embryonic and adult neurogenesis. Given that miRNAs are involved in neural plasticity and neurogenesis, the concept that miRNAs may play an important role in psychiatric illnesses, including major depression, is rapidly advancing. Emerging evidence demonstrates that the expression of miRNAs is altered during stress, in the brain of behaviorally depressed animals, and in human postmortem brain of depressed subjects. In this review article, the possibility that dysregulation of miRNAs and/or altered miRNA response may contribute to the etiology and pathophysiology of depressive disorder is discussed.
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Affiliation(s)
- Yogesh Dwivedi
- Psychiatric Institute, Department of Psychiatry, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA.
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Modeling treatment-resistant depression. Neuropharmacology 2011; 61:408-13. [PMID: 21356220 DOI: 10.1016/j.neuropharm.2011.02.017] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2010] [Revised: 01/31/2011] [Accepted: 02/16/2011] [Indexed: 01/01/2023]
Abstract
Depression is a polygenic and highly complex psychiatric disorder that is currently a major burden on society. Depression is highly heterogeneous in presentation and frequently exhibits high comorbidity with other psychiatric and somatic disorders. Commonly used treatments, such as selective serotonin reuptake inhibitors (SSRIs), are not ideal since only a subset of patients achieve remission. In addition, the reason why some individuals respond to SSRIs while others don't are unknown. Here we begin to ask what the basis of treatment resistance is, and propose new strategies to model this phenomenon in animals. We focus specifically on animal models that offer the appropriate framework to study treatment resistance with face, construct and predictive validity.
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Shiflett MW, Balleine BW. Contributions of ERK signaling in the striatum to instrumental learning and performance. Behav Brain Res 2010; 218:240-7. [PMID: 21147168 DOI: 10.1016/j.bbr.2010.12.010] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2010] [Accepted: 12/07/2010] [Indexed: 02/07/2023]
Abstract
The striatum is critical for learning and decision making; however, the molecular mechanisms that govern striatum function are not fully understood. The extracellular signal regulated kinase (ERK) cascade is an important signaling pathway that underlies synaptic plasticity, cellular excitability, learning and arousal. This review focuses on the role of ERK signaling in striatum function. ERK is activated in the striatum by coordinated dopamine and glutamate receptor signaling, where it underlies corticostriatal synaptic plasticity and influences striatal cell excitability. ERK activation in the dorsal striatum is necessary for action-outcome learning and performance of goal-directed actions. In the ventral striatum, ERK is necessary for the motivating effects of reward-associated stimuli on instrumental performance. Dysregulation of ERK signaling in the striatum by repeated drug exposure contributes to the development of addictive behavior. These results highlight the importance of ERK signaling in the striatum as a critical substrate for learning and as a regulator of ongoing behavior. Furthermore, they suggest that ERK may be a suitable target for therapeutics to treat disorders of learning and decision making that arise from compromised striatum function.
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Affiliation(s)
- Michael W Shiflett
- Department of Psychology, Rutgers University, 301 Smith Hall, 101 Warren St., Newark, NJ 07102, USA.
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Gourley SL, Lee AS, Howell JL, Pittenger C, Taylor JR. Dissociable regulation of instrumental action within mouse prefrontal cortex. Eur J Neurosci 2010; 32:1726-34. [PMID: 21044173 DOI: 10.1111/j.1460-9568.2010.07438.x] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Evaluation of the behavioral 'costs', such as effort expenditure relative to the benefits of obtaining reward, is a major determinant of goal-directed action. Neuroimaging evidence suggests that the human medial orbitofrontal cortex (mOFC) is involved in this calculation and thereby guides goal-directed and choice behavior, but this region's functional significance in rodents is unknown despite extensive work characterizing the role of the lateral OFC in cue-related response inhibition processes. We first tested mice with mOFC lesions in an instrumental reversal task lacking discrete cues signaling reinforcement; here, animals were required to shift responding based on the location of the reinforced aperture within the chamber. Mice with mOFC lesions acquired the reversal but failed to inhibit responding on the previously reinforced aperture, while mice with prelimbic prefrontal cortex lesions were unaffected. When tested on a progressive ratio schedule of reinforcement, mice with prelimbic cortical lesions were unable to maintain responding, resulting in declining response levels. Mice with mOFC lesions, by contrast, escalated responding. Neither lesion affected sensitivity to satiety-specific outcome devaluation or non-reinforcement (i.e. extinction), and neither had effects when placed after animals were trained on a progressive ratio response schedule. Lesions of the ventral hippocampus, which projects to the mOFC, resulted in similar response patterns, while lateral OFC and dorsal hippocampus lesions resulted in response acquisition, though not inhibition, deficits in an instrumental reversal. Our findings thus selectively implicate the rodent mOFC in braking reinforced goal-directed action when reinforcement requires the acquisition of novel response contingencies.
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Affiliation(s)
- Shannon L Gourley
- Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06508, USA
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