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Lapmanee S, Charoenphandhu J, Teerapornpuntakit J, Krishnamra N, Charoenphandhu N. Agomelatine, venlafaxine, and running exercise effectively prevent anxiety- and depression-like behaviors and memory impairment in restraint stressed rats. PLoS One 2017; 12:e0187671. [PMID: 29099859 PMCID: PMC5669450 DOI: 10.1371/journal.pone.0187671] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 10/24/2017] [Indexed: 12/23/2022] Open
Abstract
Several severe stressful situations, e.g., natural disaster, infectious disease out break, and mass casualty, are known to cause anxiety, depression and cognitive impairment, and preventive intervention for these stress complications is worth exploring. We have previously reported that the serotonin-norepinephrine-dopamine reuptake inhibitor, venlafaxine, as well as voluntary wheel running are effective in the treatment of anxiety- and depression-like behaviors in stressed rats. But whether they are able to prevent deleterious consequences of restraint stress in rats, such as anxiety/depression-like behaviors and memory impairment that occur afterward, was not known. Herein, male Wistar rats were pre-treated for 4 weeks with anti-anxiety/anti-depressive drugs, agomelatine and venlafaxine, or voluntary wheel running, followed by 4 weeks of restraint-induced stress. During the stress period, rats received neither drug nor exercise intervention. Our results showed that restraint stress induced mixed anxiety- and depression-like behaviors, and memory impairment as determined by elevated plus-maze, elevated T-maze, open field test (OFT), forced swimming test (FST), and Morris water maze (MWM). Both pharmacological pre-treatments and running successfully prevented the anxiety-like behavior, especially learned fear, in stressed rats. MWM test suggested that agomelatine, venlafaxine, and running could prevent stress-induced memory impairment, but only pharmacological treatments led to better novel object recognition behavior and positive outcome in FST. Moreover, western blot analysis demonstrated that venlafaxine and running exercise upregulated brain-derived neurotrophic factor (BDNF) expression in the hippocampus. In conclusion, agomelatine, venlafaxine as well as voluntary wheel running had beneficial effects, i.e., preventing the restraint stress-induced anxiety/depression-like behaviors and memory impairment.
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Affiliation(s)
- Sarawut Lapmanee
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Jantarima Charoenphandhu
- Physiology Division, Preclinical Sciences, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
- * E-mail:
| | - Jarinthorn Teerapornpuntakit
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
| | - Nateetip Krishnamra
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Narattaphol Charoenphandhu
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
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Lima FB, Leite CM, Bethea CL, Anselmo-Franci JA. Progesterone increased β-endorphin innervation of the locus coeruleus, but ovarian steroids had no effect on noradrenergic neurodegeneration. Brain Res 2017; 1663:1-8. [PMID: 28284896 PMCID: PMC5425244 DOI: 10.1016/j.brainres.2017.03.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 03/03/2017] [Accepted: 03/06/2017] [Indexed: 10/20/2022]
Abstract
With the decline of ovarian steroids levels at menopause, many women experience an increase in anxiety and stress sensitivity. The locus coeruleus (LC), a central source of noradrenaline (NE), is activated by stress and is inhibited by β-endorphin. Moreover, increased NE has been implicated in pathological anxiety syndromes. Hormone replacement therapy (HRT) in menopause appears to decrease anxiety and vulnerability to stress. Therefore, we questioned the effect of HRT on the inhibitory β-endorphin innervation of the LC. In addition, we found that progesterone protects serotoninergic neurons in monkeys, leading us to question whether ovarian steroids are also neuroprotective in LC neurons in monkeys. Adult Rhesus monkeys (Macaca mulatta) were ovariectomized, and either treated with Silastic capsules that contained estradiol, estradiol+progesterone, progesterone alone or that were empty (ovariectomized; control). After 1month, the LC was obtained and processed for immunohistochemistry for β-endorphin and terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end-labeling (TUNEL). The density of β-endorphin axons was determined with image analysis using ImageJ. The TUNEL-positive neurons were counted in the entire LC. Progesterone-alone significantly increased the density of the β-endorphin axons in the LC (p<0.01). No significant differences between groups in the number of TUNEL-positive cells in the LC were found. In conclusion, we found that HRT increases the inhibitory influence of β-endorphin in the LC, which could, in turn, contribute to reduce anxiety and increase stress resilience. In addition, we did not find compelling evidence of neurodegeneration or neuroprotection by HRT in the LC of Rhesus monkeys.
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Affiliation(s)
- Fernanda B Lima
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
| | - Cristiane M Leite
- Departamento de Morfologia, Fisiologia, e Patologia Básica, Faculdade de Odontologia de Ribeirão Preto, Universidade de São Paulo, SP, Brazil.
| | - Cynthia L Bethea
- Division of Reproductive and Developmental Sciences, Oregon National Primate Research Center, Beaverton, OR, USA.
| | - Janete A Anselmo-Franci
- Departamento de Morfologia, Fisiologia, e Patologia Básica, Faculdade de Odontologia de Ribeirão Preto, Universidade de São Paulo, SP, Brazil.
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Martinez-Cengotitabengoa M, MacDowell KS, Alberich S, Diaz FJ, Garcia-Bueno B, Rodriguez-Jimenez R, Bioque M, Berrocoso E, Parellada M, Lobo A, Saiz PA, Matute C, Bernardo M, Gonzalez-Pinto A, Leza JC. BDNF and NGF Signalling in Early Phases of Psychosis: Relationship With Inflammation and Response to Antipsychotics After 1 Year. Schizophr Bull 2016; 42:142-51. [PMID: 26130821 PMCID: PMC4681544 DOI: 10.1093/schbul/sbv078] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Previous studies have indicated systemic deregulation of the proinflammatory or anti-inflammatory balance in individuals with first-episode psychosis (FEP) that persists 12 months later. To identify potential risk/protective factors and associations with symptom severity, we assessed possible changes in plasma levels of neurotrophins (brain-derived neurotrophic factor [BDNF] and nerve growth factor [NGF]) and their receptors in peripheral blood mononuclear cells (PBMCs). Expression of the 2 forms of BDNF receptors (active TrkB-FL and inactiveTrkB-T1) in PBMCs of FEP patients changed over time, TrkB-FL expression increasing by 1 year after diagnosis, while TrkB-T1 expression decreased. The TrkB-FL/TrkB-T1 ratio (hereafter FL/T1 ratio) increased during follow-up in the nonaffective psychosis group only, suggesting different underlying pathophysiological mechanisms in subgroups of FEP patients. Further, the expression of the main NGF receptor, TrkA, generally increased in patients at follow-up. After adjusting for potential confounders, baseline levels of inducible isoforms of nitric oxide synthase, cyclooxygenase, and nuclear transcription factor were significantly associated with the FL/T1 ratio, suggesting that more inflammation is associated with higher values of this ratio. Interestingly, the FL/T1 ratio might have a role as a predictor of functioning, a regression model of functioning at 1 year suggesting that the effect of the FL/T1 ratio at baseline on functioning at 1 year depended on whether patients were treated with antipsychotics. These findings may have translational relevance; specifically, it might be useful to assess the expression of TrkB receptor isoforms before initiating antipsychotic treatment in FEPs.
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Affiliation(s)
| | - K S MacDowell
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Department of Pharmacology, Faculty of Medicine, Universidad Complutense de Madrid, & Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain; These authors have contributed equally to the article
| | - S Alberich
- Araba University Hospital, Bioaraba Research Institute, Vitoria, Spain; Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; These authors have contributed equally to the article
| | - F J Diaz
- Department of Biostatistics, The University of Kansas Medical Center, Kansas City, KS
| | - B Garcia-Bueno
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Department of Pharmacology, Faculty of Medicine, Universidad Complutense de Madrid, & Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain
| | - R Rodriguez-Jimenez
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain
| | - M Bioque
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Barcelona Clínic Schizophrenia Unit, Neuroscience Institute, Hospital Clínic de Barcelona, Spain; Department of Psychiatry and Clinical Psychobiology, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - E Berrocoso
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Department of Psychology, Psychobiology Area, Group of Research in Neuropsychopharmacology and Psychobiology (CTS-510), University of Cádiz, Spain
| | - M Parellada
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Child and Adolescent Psychiatry Department, Hospital General Universitario Gregorio Marañón School of Medicine, Universidad Complutense, IiSGM, Madrid, Spain
| | - A Lobo
- Department of Psychiatry, Instituto de Investigación Sanitaria Aragón and University of Zaragoza, Spain
| | - P A Saiz
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Department of Psychiatry, Faculty of Medicine, University of Oviedo. Instituto Universitario de Neurociencias del Principado de Asturias (INEUROPA), Oviedo, Spain
| | - C Matute
- University of the Basque Country (UPV-EHU), Bilbao, Spain; CIBERNED Neuroscience, Zamudio, Vizcaya, Spain
| | - M Bernardo
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Barcelona Clínic Schizophrenia Unit, Neuroscience Institute, Hospital Clínic de Barcelona, Spain; Department of Psychiatry and Clinical Psychobiology, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - A Gonzalez-Pinto
- Araba University Hospital, Bioaraba Research Institute, Vitoria, Spain; Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; University of the Basque Country (UPV-EHU), Bilbao, Spain; These authors have contributed equally to the article
| | - J C Leza
- Biomedical Research Networking Centre in Mental Health (CIBERSAM), Madrid, Spain; Department of Pharmacology, Faculty of Medicine, Universidad Complutense de Madrid, & Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain; These authors have contributed equally to the article
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Salas-Ramirez KY, Bagnall C, Frias L, Abdali SA, Ahles TA, Hubbard K. Doxorubicin and cyclophosphamide induce cognitive dysfunction and activate the ERK and AKT signaling pathways. Behav Brain Res 2015; 292:133-41. [PMID: 26099816 DOI: 10.1016/j.bbr.2015.06.028] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 06/14/2015] [Accepted: 06/15/2015] [Indexed: 01/03/2023]
Abstract
Chemotherapy is associated with long-term cognitive deficits in breast cancer survivors. Studies suggest that these impairments result in the loss of cognitive reserve and/or induce a premature aging of the brain. This study has been aimed to determine the potential underlying mechanisms that induce cognitive impairments by chemotherapeutic agents commonly used in breast cancer. Intact and ovariectomized (OVX) female rats were treated intravenously with either saline or a combination of cyclophosphamide (40 mg/kg) and doxorubicin (4 mg/kg). All subjects were tested for anxiety, locomotor activity, working, visual and spatial memory consecutively. Although anxiety and visual memory were not affected, chemotherapy significantly decreased locomotor activity and impaired working and spatial memory in female rats, independent of their hormonal status. The cognitive deficits observed are hippocampal dependent. Therefore, as a first step to identity the potential signaling pathways involved in this cognitive dysfunction, the protein levels of extracellular signal-regulated kinase 1/2 (Erk1/2), Akt (neuroprotectant) BDNF and (structural protein) PSD95 in hippocampal lysates were measured. Erk1/2 and Akt pathways are known to modulate synaptic plasticity, neuronal survival, aging and cancer. We found an increased activation of Erk1/2 and Akt as well as an increase in the protein levels of PSD95 in OVX female rodents. However, OVX females had a higher overall BDNF level, independent of chemotherapy. These studies provide additional evidence that commonly used chemotherapeutic agents affect cognitive function and impact synaptic plasticity/aging molecules which may be part of the underlying biology explaining cognitive change and can be potential therapeutic targets.
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Affiliation(s)
- Kaliris Y Salas-Ramirez
- Department of Physiology, Pharmacology and Neuroscience, The Sophie Davis School of Biomedical Education, New York, NY 10031, USA
| | - Ciara Bagnall
- Department of Biology, The City College of New York, New York, NY 10031, USA
| | - Leslie Frias
- Department of Biology, The City College of New York, New York, NY 10031, USA
| | - Syed A Abdali
- Department of Physiology, Pharmacology and Neuroscience, The Sophie Davis School of Biomedical Education, New York, NY 10031, USA
| | - Tim A Ahles
- Department of Psychiatry and Behavioral Science, Memorial Sloan-Kettering Cancer Center, New York, NY 10022, USA
| | - Karen Hubbard
- Department of Biology, The City College of New York, New York, NY 10031, USA.
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Environmental Enrichment Reduces Anxiety by Differentially Activating Serotonergic and Neuropeptide Y (NPY)-Ergic System in Indian Field Mouse (Mus booduga): An Animal Model of Post-Traumatic Stress Disorder. PLoS One 2015; 10:e0127945. [PMID: 26016844 PMCID: PMC4446351 DOI: 10.1371/journal.pone.0127945] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 04/20/2015] [Indexed: 11/19/2022] Open
Abstract
Exposure to a predator elicits an innate fear response and mimics several behavioral disorders related to post-traumatic stress disorder (PTSD). The protective role of an enriched condition (EC) against psychogenic stressors in various animal models has been well documented. However, this condition has not been tested in field mice in the context of PTSD. In this study, we show that field mice (Mus booduga) housed under EC exhibit predominantly proactive and less reactive behavior compared with mice housed under standard conditions (SC) during exposure to their natural predator (field rat Rattus rattus). Furthermore, we observed that EC mice displayed less anxiety-like behavior in an elevated plus maze (EPM) and light/dark-box after exposure to the predator (7 hrs/7 days). In EC mice, predator exposure elevated the level of serotonin (5-Hydroxytrypamine, [5-HT]) in the amygdala as part of the coping response. Subsequently, the serotonin transporter (SERT) and 5-HT1A receptor were up-regulated significantly, but the same did not occur in the 5-HT2C receptor, which is associated with the activation of calmodulin-dependent protein kinase-II (CaMKII) and a transcription factor cAMP response element binding protein (CREB). Our results show that predator exposure induced the activation of CaMKII/CREB, which is accompanied with increased levels of histone acetylation (H3, H4) and decreased histone deacetylases (HDAC1, 2). Subsequently, in the amygdala, the transcription of brain-derived neurotrophic factor (BDNF), neuropeptide Y (NPY) and its Y1 receptor were up-regulated, whereas the Y2 receptor was down-regulated. Therefore, EC facilitated a coping response against a fear associated cue in a PTSD animal model and reduced anxiety by differentially activating serotonergic and NPY-ergic systems.
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