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Strekalova T, Radford-Smith D, Dunstan IK, Gorlova A, Svirin E, Sheveleva E, Burova A, Morozov S, Lyundup A, Berger G, Anthony DC, Walitza S. Omega-3 alleviates behavioral and molecular changes in a mouse model of stress-induced juvenile depression. Neurobiol Stress 2024; 31:100646. [PMID: 38912378 PMCID: PMC11190747 DOI: 10.1016/j.ynstr.2024.100646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/29/2024] [Accepted: 05/19/2024] [Indexed: 06/25/2024] Open
Abstract
Introduction Depression is increasingly diagnosed in adolescence, necessitating specific prevention and treatment methods. However, there is a lack of animal models mimicking juvenile depression. This study explores a novel model using ultrasound (US) stress in juvenile mice. Methods We employed the US stress model in one-month-old C57/BL6 mice, exposing them to alternating ultrasound frequencies (20-25 kHz and 25-45 kHz) for three weeks. These frequencies correspond to negative and neutral emotional states in rodents and can induce a depressive-like syndrome. Concurrently, mice received either an omega-3 food supplement (FS) containing eicosapentaenoic acid (EPA; 0.55 mg/kg/day) and docosahexaenoic acid (DHA; 0.55 mg/kg/day) or a vehicle. Post-stress, we evaluated anxiety- and depressive-like behaviors, blood corticosterone levels, brain expression of pro-inflammatory cytokines, and conducted metabolome analysis of brain, liver and blood plasma. Results US-exposed mice treated with vehicle exhibited decreased sucrose preference, a sign of anhedonia, a key feature of depression, increased anxiety-like behavior, elevated corticosterone levels, and enhanced TNF and IL-1β gene expression in the brain. In contrast, US-FS mice did not display these changes. Omega-3 supplementation also reduced anxiety-like behavior in non-stressed mice. Metabolomic analysis revealed US-induced changes in brain energy metabolism, with FS increasing brain sphingomyelin. Liver metabolism was affected by both US and FS, while plasma metabolome changes were exclusive to FS. Brain glucose levels correlated positively with activity in anxiety tests. Conclusion Chronic omega-3 intake counteracted depressive- and anxiety-like behaviors in a US model of juvenile depression in mice. These effects likely stem from the anti-inflammatory properties of the supplement, suggesting potential therapeutic applications in juvenile depression.
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Affiliation(s)
- Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, the Netherlands
- Department of Pharmacology, Oxford University, Oxford, UK
| | | | | | - Anna Gorlova
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
- RUDN University, 6 Miklukho-Maklaya Str, Moscow, Russia
| | - Evgeniy Svirin
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Elisaveta Sheveleva
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Alisa Burova
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Sergey Morozov
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Aleksey Lyundup
- RUDN University, 6 Miklukho-Maklaya Str, Moscow, Russia
- Endocrinology Research Centre, Dmitry Ulyanov str. 19, Moscow, 117036, Russia
| | - Gregor Berger
- Department of Child and Adolescent Psychiatry and Psychotherapy, University of Zuerich, Zuerich, Switzerland
| | | | - Susanne Walitza
- Department of Child and Adolescent Psychiatry and Psychotherapy, University of Zuerich, Zuerich, Switzerland
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Raithatha S, Hagel JM, Matinkhoo K, Yu L, Press D, Cook SG, Sharma G, Dhananjaya D, Jensen G, Lee JB, Cai C, Gallant J, Bains J, Tucker JE, Facchini PJ. Novel Psilocin Prodrugs with Altered Pharmacological Properties as Candidate Therapies for Treatment-Resistant Anxiety Disorders. J Med Chem 2024; 67:1024-1043. [PMID: 37983270 PMCID: PMC10823477 DOI: 10.1021/acs.jmedchem.3c01225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/23/2023] [Accepted: 11/03/2023] [Indexed: 11/22/2023]
Abstract
The psychedelic prodrug psilocybin has shown therapeutic benefits for the treatment of numerous psychiatric conditions. Despite positive clinical end points targeting depression and anxiety, concerns regarding the duration of the psychedelic experience produced by psilocybin, associated with enduring systemic exposure to the active metabolite psilocin, pose a barrier to its therapeutic application. Our objective was to create a novel prodrug of psilocin with similar therapeutic benefits but a reduced duration of psychedelic effects compared with psilocybin. Here, we report the synthesis and functional screening of 28 new chemical entities. Our strategy was to introduce a diversity of cleavable groups at the 4-hydroxy position of the core indole moiety to modulate metabolic processing. We identified several novel prodrugs of psilocin with altered pharmacokinetic profiles and reduced pharmacological exposure compared with psilocybin. These candidate prodrugs have the potential to maintain the long-term benefits of psilocybin therapy while attenuating the duration of psychedelic effects.
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Affiliation(s)
| | - Jillian M. Hagel
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Kaveh Matinkhoo
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Lisa Yu
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - David Press
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Sarah G. Cook
- Department
of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Govinda Sharma
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - D. Dhananjaya
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Glynnis Jensen
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Jessica B. Lee
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Charlie Cai
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Jonathan Gallant
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
| | - Jaideep Bains
- Hotchkiss
Brain Institute and Department of Physiology, Cumming School of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Joseph E. Tucker
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
- Department
of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Peter J. Facchini
- Enveric
Biosciences, Inc., 3655
36 Street NW, Calgary, Alberta T2L 1Y8, Canada
- Department
of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
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3
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Berrio JP, Hestehave S, Kalliokoski O. Reliability of sucrose preference testing following short or no food and water deprivation-a Systematic Review and Meta-Analysis of rat models of chronic unpredictable stress. Transl Psychiatry 2024; 14:39. [PMID: 38242881 PMCID: PMC10799054 DOI: 10.1038/s41398-024-02742-0] [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: 12/21/2022] [Revised: 12/30/2023] [Accepted: 01/08/2024] [Indexed: 01/21/2024] Open
Abstract
The sucrose preference test is a popular test for anhedonia in the chronic unpredictable stress model of depression. Yet, the test does not always produce consistent results. Long food and water deprivation before the test, while often implemented, confounds the results by introducing unwanted drives in the form of hunger and thirst. We assessed the reliability of the test when only short or no fasting was used. We searched PubMed, Embase, and Web of Science for studies in rats exposed to chronic unpredictable stress that used no more than 6 h of food and/or water deprivation before the test. Sweet consumptions, for stressed and control/antidepressant-treated animals, in 132 studies were pooled using random effects models. We found a decrease in sweet consumption in stressed rats, compared to controls, that was halved when a non-caloric sweetener was used and significantly reduced when sucrose consumption was corrected for body weight. What is more, the length of food and water deprivation was found to confound the effect. The effect was reversed when the stressed rats were treated with antidepressants. Methodological strategies meant to control for recognized sources of bias when conducting the test were often missing, and so was a clear and complete report of essential study information. Our results indicate that not only is food and water deprivation before the test unnecessary, but not recommended. Even in absence of long fasting, we found evidence of an additional effect on sweet consumption that is unrelated to anhedonia. Without properly controlling for non-hedonic drivers of consumption, the test is unreliable as a proxy measure of anhedonia. Strengthening the methodological rigor and addressing the confounding effect of metabolic factors in the sucrose preference test prevents misleading conclusions that harm the translatability of the associated research and perpetuates the use of animals for little gain.
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Affiliation(s)
- Jenny P Berrio
- Department of Experimental Medicine, Section of Research and Education, Faculty of Health and Medical Sciences, University of Copenhagen, København, Denmark.
| | - Sara Hestehave
- Department of Cell and Developmental Biology, Division of Biosciences, Faculty of Life Sciences, University College London, London, United Kingdom
| | - Otto Kalliokoski
- Department of Experimental Medicine, Section of Research and Education, Faculty of Health and Medical Sciences, University of Copenhagen, København, Denmark
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Strekalova T, Svirin E, Gorlova A, Sheveleva E, Burova A, Khairetdinova A, Sitdikova K, Zakharova E, Dudchenko AM, Lyundup A, Morozov S. Resilience and Vulnerability to Stress-Induced Anhedonia: Unveiling Brain Gene Expression and Mitochondrial Dynamics in a Mouse Chronic Stress Depression Model. Biomolecules 2023; 13:1782. [PMID: 38136653 PMCID: PMC10741640 DOI: 10.3390/biom13121782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/07/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
The role of altered brain mitochondrial regulation in psychiatric pathologies, including Major Depressive Disorder (MDD), has attracted increasing attention. Aberrant mitochondrial functions were suggested to underlie distinct inter-individual vulnerability to stress-related MDD syndrome. In this context, insulin receptor sensitizers (IRSs) that regulate brain metabolism have become a focus of recent research, as their use in pre-clinical studies can help to elucidate the role of mitochondrial dynamics in this disorder and contribute to the development of new antidepressant treatment. Here, following 2-week chronic mild stress (CMS) using predation, social defeat, and restraint, MDD-related behaviour and brain molecular markers have been investigated along with the hippocampus-dependent performance and emotionality in mice that received the IRS dicholine succinate (DS). In a sucrose test, mice were studied for the key feature of MDD, a decreased sensitivity to reward, called anhedonia. Based on this test, animals were assigned to anhedonic and resilient-to-stress-induced-anhedonia groups, using a previously established criterion of a decrease in sucrose preference below 65%. Such assignment was based on the fact that none of control, non-stressed animals displayed sucrose preference that would be smaller than this value. DS-treated stressed mice displayed ameliorated behaviours in a battery of assays: sucrose preference, coat state, the Y-maze, the marble test, tail suspension, and nest building. CMS-vulnerable mice exhibited overexpression of the inflammatory markers Il-1β, tnf, and Cox-1, as well as 5-htt and 5-ht2a-R, in various brain regions. The alterations in hippocampal gene expression were the closest to clinical findings and were studied further. DS-treated, stressed mice showed normalised hippocampal expression of the plasticity markers Camk4, Camk2, Pka, Adcy1, Creb-ar, Nmda-2r-ar, and Nmda-2r-s. DS-treated and non-treated stressed mice who were resilient or vulnerable to anhedonia were compared for hippocampal mitochondrial pathway regulation using Illumina profiling. Resilient mice revealed overexpression of the mitochondrial complexes NADH dehydrogenase, succinate dehydrogenase, cytochrome bc1, cytochrome c oxidase, F-type and V-type ATPases, and inorganic pyrophosphatase, which were decreased in anhedonic mice. DS partially normalised the expression of both ATPases. We conclude that hippocampal reduction in ATP synthesis is associated with anhedonia and pro-inflammatory brain changes that are ameliorated by DS.
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Affiliation(s)
- Tatyana Strekalova
- Division of Molecular Psychiatry, Center of Mental Health, University of Hospital Würzburg, 97080 Wuerzburg, Germany
| | - Evgeniy Svirin
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Anna Gorlova
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Elizaveta Sheveleva
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Alisa Burova
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Adel Khairetdinova
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Kseniia Sitdikova
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Elena Zakharova
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Alexander M. Dudchenko
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
| | - Aleksey Lyundup
- Endocrinology Research Centre, Dmitry Ulyanov St. 19, Moscow 117036, Russia;
- Research and Education Resource Center, Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St, Moscow 117198, Russia
| | - Sergey Morozov
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow 125315, Russia (A.G.); (E.S.); (A.B.); (A.K.); (K.S.); (E.Z.); (A.M.D.); (S.M.)
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5
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Yuan Z, Qi Z, Wang R, Cui Y, An S, Wu G, Feng Q, Lin R, Dai R, Li A, Gong H, Luo Q, Fu L, Luo M. A corticoamygdalar pathway controls reward devaluation and depression using dynamic inhibition code. Neuron 2023; 111:3837-3853.e5. [PMID: 37734380 DOI: 10.1016/j.neuron.2023.08.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 07/03/2023] [Accepted: 08/22/2023] [Indexed: 09/23/2023]
Abstract
Reward devaluation adaptively controls reward intake. It remains unclear how cortical circuits causally encode reward devaluation in healthy and depressed states. Here, we show that the neural pathway from the anterior cingulate cortex (ACC) to the basolateral amygdala (BLA) employs a dynamic inhibition code to control reward devaluation and depression. Fiber photometry and imaging of ACC pyramidal neurons reveal reward-induced inhibition, which weakens during satiation and becomes further attenuated in depression mouse models. Ablating or inhibiting these neurons desensitizes reward devaluation, causes reward intake increase and ultimate obesity, and ameliorates depression, whereas activating the cells sensitizes reward devaluation, suppresses reward consumption, and produces depression-like behaviors. Among various ACC neuron subpopulations, the BLA-projecting subset bidirectionally regulates reward devaluation and depression-like behaviors. Our study thus uncovers a corticoamygdalar circuit that encodes reward devaluation via blunted inhibition and suggests that enhancing inhibition within this circuit may offer a therapeutic approach for treating depression.
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Affiliation(s)
- Zhengwei Yuan
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China; School of Life Sciences, Tsinghua University, Beijing 100084, China; National Institute of Biological Sciences, Beijing 102206, China; Chinese Institute for Brain Research, Beijing 102206, China; Tsinghua Institute of Multidisciplinary Biomedical Research (TIMBR), Beijing 102206, China
| | - Zhongyang Qi
- National Institute of Biological Sciences, Beijing 102206, China; Wuhan National Laboratory for Optoelectronics-Huazhong, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Ruiyu Wang
- National Institute of Biological Sciences, Beijing 102206, China; School of Life Sciences, Peking University, Beijing 100871, China
| | - Yuting Cui
- National Institute of Biological Sciences, Beijing 102206, China; Chinese Institute for Brain Research, Beijing 102206, China
| | - Sile An
- Wuhan National Laboratory for Optoelectronics-Huazhong, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Guoli Wu
- National Institute of Biological Sciences, Beijing 102206, China
| | - Qiru Feng
- National Institute of Biological Sciences, Beijing 102206, China
| | - Rui Lin
- National Institute of Biological Sciences, Beijing 102206, China; Tsinghua Institute of Multidisciplinary Biomedical Research (TIMBR), Beijing 102206, China
| | - Ruicheng Dai
- National Institute of Biological Sciences, Beijing 102206, China; School of Life Sciences, Peking University, Beijing 100871, China; Chinese Institute for Brain Research, Beijing 102206, China
| | - Anan Li
- Wuhan National Laboratory for Optoelectronics-Huazhong, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Hui Gong
- Wuhan National Laboratory for Optoelectronics-Huazhong, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Qingming Luo
- Wuhan National Laboratory for Optoelectronics-Huazhong, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Ling Fu
- Wuhan National Laboratory for Optoelectronics-Huazhong, Britton Chance Center for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Minmin Luo
- National Institute of Biological Sciences, Beijing 102206, China; Chinese Institute for Brain Research, Beijing 102206, China; Tsinghua Institute of Multidisciplinary Biomedical Research (TIMBR), Beijing 102206, China; Research Unit of Medical Neurobiology, Chinese Academy of Medical Sciences, Beijing 100005, China; New Cornerstone Science Laboratory, Shenzhen 518054, China; Beijing Tiantan Hospital, 100070 Beijing, China.
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6
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Primo MJ, Fonseca-Rodrigues D, Almeida A, Teixeira PM, Pinto-Ribeiro F. Sucrose preference test: A systematic review of protocols for the assessment of anhedonia in rodents. Eur Neuropsychopharmacol 2023; 77:80-92. [PMID: 37741164 DOI: 10.1016/j.euroneuro.2023.08.496] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/27/2023] [Accepted: 08/12/2023] [Indexed: 09/25/2023]
Abstract
Anhedonia is described as a decreased ability to experience rewarding and enjoyable activities, a core symptom of major depressive disorder. The sucrose preference test (SPT) is a widely used and reliable behavioural test to assess anhedonia in rodents, based on a two-bottle choice paradigm. To date, different protocols are in use, inducing variability between researchers and hampering comparisons between studies. We performed a systematic review of the SPT protocols used in 2021 to identify the parameters in which they differ and their potential impact. We searched a total of four databases (PubMed, Scopus, Web of Science and Science Direct), from 1st January 2021 to 31st December 2021, and screened a total of 1066 articles. After screening by title and abstract, a total of 415 articles were included in this review. We extracted and analysed the different procedures used, the type of sweet solution and the habituation, deprivation, and testing protocols. The overall quality of the studies was considered very good, however, SPT protocols were extremely variable between studies with a total of 65 different habituation protocols and 104 combinations of food/water deprivation and preference testing duration. As the SPT is one of the most used tests to assess anhedonia in rodents, this work raises awareness of the great variability in SPT protocols being currently used. Furthermore, we call for standardization in the protocol used, and overall improvement of data reporting of methodologies and results, to increase the consistency between studies and allow a better comparison of results between different labs.
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Affiliation(s)
- Maria João Primo
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus of Gualtar, Braga 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Diana Fonseca-Rodrigues
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus of Gualtar, Braga 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Armando Almeida
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus of Gualtar, Braga 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Pedro M Teixeira
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus of Gualtar, Braga 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Filipa Pinto-Ribeiro
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus of Gualtar, Braga 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal.
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Strekalova T, Moskvin O, Jain AY, Gorbunov N, Gorlova A, Sadovnik D, Umriukhin A, Cespuglio R, Yu WS, Tse ACK, Kalueff AV, Lesch KP, Lim LW. Molecular signature of excessive female aggression: study of stressed mice with genetic inactivation of neuronal serotonin synthesis. J Neural Transm (Vienna) 2023; 130:1113-1132. [PMID: 37542675 PMCID: PMC10460733 DOI: 10.1007/s00702-023-02677-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/21/2023] [Indexed: 08/07/2023]
Abstract
Aggression is a complex social behavior, critically involving brain serotonin (5-HT) function. The neurobiology of female aggression remains elusive, while the incidence of its manifestations has been increasing. Yet, animal models of female aggression are scarce. We previously proposed a paradigm of female aggression in the context of gene x environment interaction where mice with partial genetic inactivation of tryptophan hydroxylase-2 (Tph2+/- mice), a key enzyme of neuronal 5-HT synthesis, are subjected to predation stress resulting in pathological aggression. Using deep sequencing and the EBSeq method, we studied the transcriptomic signature of excessive aggression in the prefrontal cortex of female Tph2+/- mice subjected to rat exposure stress and food deprivation. Challenged mutants, but not other groups, displayed marked aggressive behaviors. We found 26 genes with altered expression in the opposite direction between stressed groups of both Tph2 genotypes. We identified several molecular markers, including Dgkh, Arfgef3, Kcnh7, Grin2a, Tenm1 and Epha6, implicated in neurodevelopmental deficits and psychiatric conditions featuring impaired cognition and emotional dysregulation. Moreover, while 17 regulons, including several relevant to neural plasticity and function, were significantly altered in stressed mutants, no alteration in regulons was detected in stressed wildtype mice. An interplay of the uncovered pathways likely mediates partial Tph2 inactivation in interaction with severe stress experience, thus resulting in excessive female aggression.
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Affiliation(s)
- Tatyana Strekalova
- Division of Molecular Psychiatry, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Oleg Moskvin
- Primate Research Center, University of Wisconsin-Madison, Madison, WI, USA
- Singapore Medical School, BluMaiden Biosciences, Singapore, Singapore
| | - Aayushi Y Jain
- Department of Biomolecular Chemistry, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Nikita Gorbunov
- Division of Molecular Psychiatry, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Anna Gorlova
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Daria Sadovnik
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Aleksei Umriukhin
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Raymond Cespuglio
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
- Neuroscience Research Center of Lyon, Beliv Plateau, Claude-Bernard Lyon-1 University, Bron, France
| | - Wing Shan Yu
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China
| | - Anna Chung Kwan Tse
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China
| | - Allan V Kalueff
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Klaus-Peter Lesch
- Division of Molecular Psychiatry, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany.
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands.
| | - Lee Wei Lim
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China.
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Zhang H, Liu X, Li B, Zhang Y, Gao H, Zhao X, Leng K, Song Z. Krill oil treatment ameliorates lipid metabolism imbalance in chronic unpredicted mild stress-induced depression-like behavior in mice. Front Cell Dev Biol 2023; 11:1180483. [PMID: 37564375 PMCID: PMC10411196 DOI: 10.3389/fcell.2023.1180483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/03/2023] [Indexed: 08/12/2023] Open
Abstract
The pathology of depression involves various factors including the interaction between genes and the environment. The deficiency of n-3 polyunsaturated fatty acids (n-3 PUFAs) in the brain and depressive symptoms are closely related. Krill oil contains abundant amounts of n-3 PUFAs incorporated in phosphatidylcholine. However, the effect of krill oil treatment on depression-like behaviors induced by chronic stress and its molecular mechanism in the brain remain poorly understood. Here, we used a chronic unpredictable mild stress (CUMS) model to evaluate the effect of krill oil on depression-like behaviors and explored its molecular mechanism through lipid metabolomics and mRNA profiles in the whole brain. We observed that CUMS-induced depression-like behaviors were ameliorated by krill oil supplementation in mice. The metabolism of glycerophospholipids and sphingolipids was disrupted by CUMS treatment, which were ameliorated after krill oil supplementation. Further analysis found that differently expressed genes after krill oil supplementation were mainly enriched in the membrane structures and neuroactive ligand-receptor interaction pathway, which may be responsible for the amelioration of CUMS-induced depression-like behaviors. Altogether, our results uncovered the relationship between lipid metabolism and CUMS, and provided new strategies for the prevention and treatment of depression.
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Affiliation(s)
- Hao Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Xiaofang Liu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Bo Li
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Yi Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Hua Gao
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Xianyong Zhao
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Kailiang Leng
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Zhenhua Song
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
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9
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Berrio JP, Kalliokoski O. Rethinking data treatment: The sucrose preference threshold for anhedonia in stress-induced rat models of depression. J Neurosci Methods 2023:109910. [PMID: 37394102 DOI: 10.1016/j.jneumeth.2023.109910] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/14/2023] [Accepted: 06/29/2023] [Indexed: 07/04/2023]
Abstract
BACKGROUND Exposing rats to repeated unpredictable stressors is a popular method for modelling depression. The sucrose preference test is used to assess the validity of this method, as it measures a rat´s preference for a sweet solution as an indicator of its ability to experience pleasure. Typically, if stressed rats show a lower preference compared to unstressed rats, it is concluded they are experiencing stress-induced anhedonia. METHODS While conducting a systematic review, we identified 18 studies that used thresholds to define anhedonia and to distinguish "susceptible" from "resilient" individuals. Based on their definitions, researchers either excluded "resilient" animals from further analyses or treated them as a separate cohort. We performed a descriptive analysis to understand the rationale behind these criteria. RESULTS we found that the methods used for characterizing the stressed rats were largely unsupported. Many authors failed to justify their choices or relied exclusively on referencing previous studies. When tracing back the method to its origins, we converged on a pioneering article that, although employed as a universal evidence-based justification, cannot be regarded as such. What is more, through a simulation study, we provided evidence that removing or splitting data, based on an arbitrary threshold, introduces statistical bias by overestimating the effect of stress. CONCLUSION Caution must be exercised when implementing a predefined cut-off for anhedonia. Researchers should be aware of potential biases introduced by their data treatment strategies and strive for transparent reporting of methodological decisions.
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Affiliation(s)
- Jenny P Berrio
- Department of Experimental Medicine. Section of Research and Education. Faculty of Health and Medical Sciences. University of Copenhagen. Blegdamsvej 3, Building 16.1; 2200 Copenhagen N. Denmark.
| | - Otto Kalliokoski
- Department of Experimental Medicine. Section of Research and Education. Faculty of Health and Medical Sciences. University of Copenhagen. Blegdamsvej 3, Building 16.1; 2200 Copenhagen N. Denmark
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10
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Li L, Ma S, Wang J, Chen Y, Wang F, Zheng M, Zhang K, Miao S, Shi X. Inflammatory Factors Predicted the Resilient Phenotype in Social Defeat-induced Depression of Male Mouse. Neuroscience 2023; 519:38-46. [PMID: 36893981 DOI: 10.1016/j.neuroscience.2023.02.022] [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: 09/05/2022] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 03/09/2023]
Abstract
An absence of reward in chronic stress may impair the reward circuit in the brain, resulting in major depressive disorder (MDD). In a part of chronically stressed individuals, MDD is not present, i.e., there is resilience, implying endogenous anti-depressive mechanisms in the brain. We studied social defeat model mice and analyzed the mRNA maps of the hippocampus from a control group and social defeat (SD)-susceptible and SD-resilient mice using high-throughput sequencing techniques. It was found that the immune response was associated with depression. Existing studies have proven that microglia play an important role in the brain immune response, and their activation level increases after chronic social defeat stress (CSDS). In our study, minocycline inhibited the activation of microglia, thereby improving the depressive state of CSDS mice. In addition, minocycline combined with fluoxetine enhanced the efficacy of fluoxetine. Thus, our results propose the most probable mechanism underlying different responses to CSDS and indicate the potential of a combination of anti-inflammatory drugs and antidepressants in treating refractory depression.
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Affiliation(s)
- Long Li
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, 710032 Xi'an, China
| | - Shanbo Ma
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, 710032 Xi'an, China
| | - Jin Wang
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, 710032 Xi'an, China
| | - Yuhan Chen
- Shaanxi University of Traditional Chinese Medicine, 712046 Xian Yang, China
| | - Feiyan Wang
- Shaanxi University of Traditional Chinese Medicine, 712046 Xian Yang, China
| | - Meiling Zheng
- Shaanxi University of Traditional Chinese Medicine, 712046 Xian Yang, China
| | - Kun Zhang
- Department of Pharmacy, Fourth Military Medical University, 710032 Xi'an, China
| | - Shan Miao
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, 710032 Xi'an, China.
| | - Xiaopeng Shi
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, 710032 Xi'an, China.
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11
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Bonifacino T, Mingardi J, Facchinetti R, Sala N, Frumento G, Ndoj E, Valenza M, Paoli C, Ieraci A, Torazza C, Balbi M, Guerinoni M, Muhammad N, Russo I, Milanese M, Scuderi C, Barbon A, Steardo L, Bonanno G, Popoli M, Musazzi L. Changes at glutamate tripartite synapses in the prefrontal cortex of a new animal model of resilience/vulnerability to acute stress. Transl Psychiatry 2023; 13:62. [PMID: 36806044 PMCID: PMC9938874 DOI: 10.1038/s41398-023-02366-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 02/20/2023] Open
Abstract
Stress represents a main risk factor for psychiatric disorders. Whereas it is known that even a single trauma may induce psychiatric disorders in humans, the mechanisms of vulnerability to acute stressors have been little investigated. In this study, we generated a new animal model of resilience/vulnerability to acute footshock (FS) stress in rats and analyzed early functional, molecular, and morphological determinants of stress vulnerability at tripartite glutamate synapses in the prefrontal cortex (PFC). We found that adult male rats subjected to FS can be deemed resilient (FS-R) or vulnerable (FS-V), based on their anhedonic phenotype 24 h after stress exposure, and that these two populations are phenotypically distinguishable up to two weeks afterwards. Basal presynaptic glutamate release was increased in the PFC of FS-V rats, while depolarization-evoked glutamate release and synapsin I phosphorylation at Ser9 were increased in both FS-R and FS-V. In FS-R and FS-V rats the synaptic expression of GluN2A and apical dendritic length of prelimbic PFC layers II-III pyramidal neurons were decreased, while BDNF expression was selectively reduced in FS-V. Depolarization-evoked (carrier-mediated) glutamate release from astroglia perisynaptic processes (gliosomes) was selectively increased in the PFC of FS-V rats, while GLT1 and xCt levels were higher and GS expression reduced in purified PFC gliosomes from FS-R. Overall, we show for the first time that the application of the sucrose intake test to rats exposed to acute FS led to the generation of a novel animal model of resilience/vulnerability to acute stress, which we used to identify early determinants of maladaptive response related to behavioral vulnerability to stress.
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Affiliation(s)
- Tiziana Bonifacino
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Jessica Mingardi
- grid.7563.70000 0001 2174 1754School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy ,grid.7637.50000000417571846Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Roberta Facchinetti
- grid.7841.aDepartment of Physiology and Pharmacology “Vittorio Erspamer”, SAPIENZA University of Rome, Rome, Italy
| | - Nathalie Sala
- grid.4708.b0000 0004 1757 2822Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Università Degli Studi di Milano, Milano, Italy
| | - Giulia Frumento
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Elona Ndoj
- grid.7637.50000000417571846Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Marta Valenza
- grid.7841.aDepartment of Physiology and Pharmacology “Vittorio Erspamer”, SAPIENZA University of Rome, Rome, Italy
| | - Caterina Paoli
- grid.7563.70000 0001 2174 1754School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy ,grid.5602.10000 0000 9745 6549Pharmacology Unit, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Alessandro Ieraci
- grid.4708.b0000 0004 1757 2822Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Università Degli Studi di Milano, Milano, Italy ,grid.449889.00000 0004 5945 6678Department of Theoretical and Applied Sciences, eCampus University, Novedrate, Como, Italy
| | - Carola Torazza
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Matilde Balbi
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Michele Guerinoni
- grid.4708.b0000 0004 1757 2822Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Università Degli Studi di Milano, Milano, Italy
| | - Nadeem Muhammad
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Isabella Russo
- grid.7637.50000000417571846Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy ,Genetics Unit, IRCCS Istituto Centro S. Giovanni di Dio, Fatebenefratelli, 25125 Brescia, Italy
| | - Marco Milanese
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy ,grid.410345.70000 0004 1756 7871IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Caterina Scuderi
- grid.7841.aDepartment of Physiology and Pharmacology “Vittorio Erspamer”, SAPIENZA University of Rome, Rome, Italy
| | - Alessandro Barbon
- grid.7637.50000000417571846Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luca Steardo
- grid.7841.aDepartment of Physiology and Pharmacology “Vittorio Erspamer”, SAPIENZA University of Rome, Rome, Italy
| | - Giambattista Bonanno
- grid.5606.50000 0001 2151 3065Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy ,grid.410345.70000 0004 1756 7871IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Maurizio Popoli
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Università Degli Studi di Milano, Milano, Italy.
| | - Laura Musazzi
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.
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12
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Markov DD, Novosadova EV. Chronic Unpredictable Mild Stress Model of Depression: Possible Sources of Poor Reproducibility and Latent Variables. BIOLOGY 2022; 11:1621. [PMID: 36358321 PMCID: PMC9687170 DOI: 10.3390/biology11111621] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/29/2022] [Accepted: 11/04/2022] [Indexed: 08/10/2023]
Abstract
Major depressive disorder (MDD) is one of the most common mood disorders worldwide. A lack of understanding of the exact neurobiological mechanisms of depression complicates the search for new effective drugs. Animal models are an important tool in the search for new approaches to the treatment of this disorder. All animal models of depression have certain advantages and disadvantages. We often hear that the main drawback of the chronic unpredictable mild stress (CUMS) model of depression is its poor reproducibility, but rarely does anyone try to find the real causes and sources of such poor reproducibility. Analyzing the articles available in the PubMed database, we tried to identify the factors that may be the sources of the poor reproducibility of CUMS. Among such factors, there may be chronic sleep deprivation, painful stressors, social stress, the difference in sex and age of animals, different stress susceptibility of different animal strains, handling quality, habituation to stressful factors, various combinations of physical and psychological stressors in the CUMS protocol, the influence of olfactory and auditory stimuli on animals, as well as the possible influence of various other factors that are rarely taken into account by researchers. We assume that careful inspection of these factors will increase the reproducibility of the CUMS model between laboratories and allow to make the interpretation of the obtained results and their comparison between laboratories to be more adequate.
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13
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Dubljević O, Ković V, Pavković Ž, Mitić M, Pešić V. The Influence of Unlimited Sucrose Intake on Body Weight and Behavior-Findings from a Mouse Model. Brain Sci 2022; 12:brainsci12101332. [PMID: 36291265 PMCID: PMC9599889 DOI: 10.3390/brainsci12101332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 11/23/2022] Open
Abstract
A potential relationship between unrestricted sucrose intake (USI), overweight, and emotional/behavioral control has not been well documented. We examined the influence of USI and having less sweetness than expected on body weight (BW), motor/exploratory, anxiety-like, and social dominant behavior in adult C57BL/6J male mice. Animals had free access to water (group 1) or 32% sucrose and water (sucrose groups 2–5) for 10 days. Then, group 2 remained with 32% sucrose while groups 3–5 were subjected to the downshift (24 h access to 4%, 8%, or 16% sucrose). All experimental groups were weighed and tested in the novel-open arena (NA), elevated plus maze (EPM), and tube tests to assess BW, motor/exploratory, anxiety-like, and social dominance behavior, respectively. USI did not influence animals’ BW but produced hyperactivity and anxiolytic-like behavior, which was evident in EPM but not in NA; the outcomes of the downshift were comparable. USI did not influence successes/wins in the tube test but altered emotions that drive the winning, favoring a less anxious behavioral phenotype; this was not evident in the downshifted groups. Observed findings suggest that USI promotes sensation-seeking and motivates dominance, without changing BW, while blunted emotional base of social dominance might be an early mark of the downshift.
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Affiliation(s)
- Olga Dubljević
- Department of Neurobiology, Institute for Biological Research ‘‘Siniša Stanković’’—National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Vanja Ković
- Laboratory for Neurocognition and Applied Cognition, Department of Psychology, Faculty of Philosophy, University of Belgrade, 11000 Belgrade, Serbia
| | - Željko Pavković
- Department of Neurobiology, Institute for Biological Research ‘‘Siniša Stanković’’—National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Miloš Mitić
- Department of Molecular Biology and Endocrinology, ‘‘VINČA’’ Institute of Nuclear Sciences—National Institute of the Republic of Serbia, 11000 Belgrade, Serbia
| | - Vesna Pešić
- Department of Neurobiology, Institute for Biological Research ‘‘Siniša Stanković’’—National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
- Correspondence:
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14
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Li B, Zhang H, Cao Y, Li Z, Xu X, Song Z, Wang JH. Molecular changes in nucleus accumbens due to amelioration of depressive-like behavior by housing with companion. Brain Res Bull 2022; 189:34-43. [PMID: 35998792 DOI: 10.1016/j.brainresbull.2022.08.010] [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: 04/06/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/02/2022]
Abstract
Social support are positively and causally related to mental health. Higher levels of perceived social support and group memberships are shown to be associated with lower depression symptomatology and recovery from depression, but the molecular biological mechanism behind its remains largely unknown. Here, we report that accompanying with companion ameliorated chronic unpredictable mild stress (CUMS) induced depression-like behaviors in mice. Accompanying with companion altered RNA expression profiles of nucleus accumbens (NAc) in CUMS-induced susceptible and resilience mice. 117 differentially expressed genes (DEGs) were found to be associated with depression-like behaviors, 17 DEGs associated with resilient behaviors, 43 DEGs associated with accompanying with companion. Importantly, 234 differentially expressed miRNAs that associated with accompanying with companion were obtained, and the miRNA-mRNA network associated with companion was established in NAc, based on the miRNA and mRNA profiles. Taken together, our findings revealed a potential new approach to improve depression-like behaviors, as well as many potential drug targets for the prevention or treatment of depression.
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Affiliation(s)
- Bo Li
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, Shandong 266021, China
| | - Hao Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, Shandong 266021, China
| | - Yi Cao
- Biomedical Center, Qingdao Medical College, Qingdao University, China
| | - Zhao Li
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, Shandong 266021, China
| | - Xinlei Xu
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, Shandong 266021, China
| | - Zhenhua Song
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, Shandong 266021, China.
| | - Jin-Hui Wang
- University of Chinese Academy of Sciences, Beijing 100049, China.
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15
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Petković A, Chaudhury D. Encore: Behavioural animal models of stress, depression and mood disorders. Front Behav Neurosci 2022; 16:931964. [PMID: 36004305 PMCID: PMC9395206 DOI: 10.3389/fnbeh.2022.931964] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/28/2022] [Indexed: 11/17/2022] Open
Abstract
Animal studies over the past two decades have led to extensive advances in our understanding of pathogenesis of depressive and mood disorders. Among these, rodent behavioural models proved to be of highest informative value. Here, we present a comprehensive overview of the most popular behavioural models with respect to physiological, circuit, and molecular biological correlates. Behavioural stress paradigms and behavioural tests are assessed in terms of outcomes, strengths, weaknesses, and translational value, especially in the domain of pharmacological studies.
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Affiliation(s)
| | - Dipesh Chaudhury
- Laboratory of Neural Systems and Behaviour, Department of Biology, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates
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16
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Helman TJ, Headrick JP, Peart JN, Stapelberg NJC. Central and cardiac stress resiliences consistently linked to integrated immuno-neuroendocrine responses across stress models in male mice. Eur J Neurosci 2022; 56:4333-4362. [PMID: 35763309 DOI: 10.1111/ejn.15747] [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: 01/07/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 11/29/2022]
Abstract
Stress resilience, and behavioural and cardiovascular impacts of chronic stress, are theorised to involve integrated neuro-endocrine/inflammatory/transmitter/trophin signalling. We tested for this integration, and whether behaviour/emotionality, together with myocardial ischaemic tolerance, are consistently linked to these pathways across diverse conditions in male C57Bl/6 mice. This included: Restraint Stress (RS), 1 hr restraint/day for 14 days; Chronic Unpredictable Mild Stress (CUMS), 7 stressors randomised over 21 days; Social Stress (SS), 35 days social isolation with brief social encounters in final 13 days; and Control conditions (CTRL; un-stressed mice). Behaviour was assessed via open field (OFT) and sucrose preference (SPT) tests, and neurobiology from frontal cortex (FC) and hippocampal transcripts. Endocrine factors, and function and ischaemic tolerance in isolated hearts, were also measured. Model characteristics ranged from no behavioural or myocardial changes with homotypic RS, to increased emotionality and cardiac ischaemic injury (with apparently distinct endocrine/neurobiological profiles) in CUMS and SS models. Highly integrated expression of HPA axis, neuro-inflammatory, BDNF, monoamine, GABA, cannabinoid and opioid signalling genes was confirmed across conditions, and consistent/potentially causal correlations identified for: i) Locomotor activity (noradrenaline, ghrelin; FC Crhr1, Tnfrsf1b, Il33, Nfkb1, Maoa, Gabra1; hippocampal Il33); ii) Thigmotaxis (adrenaline, leptin); iii) Anxiety-like behaviour (adrenaline, leptin; FC Tnfrsf1a; hippocampal Il33); iv) Depressive-like behaviour (ghrelin; FC/hippocampal s100a8); and v) Cardiac stress-resistance (noradrenaline, leptin; FC Il33, Tnfrsf1b, Htr1a, Gabra1, Gabrg2; hippocampal Il33, Tnfrsf1a, Maoa, Drd2). Data support highly integrated pathway responses to stress, and consistent adipokine, sympatho-adrenergic, inflammatory and monoamine involvement in mood and myocardial disturbances across diverse conditions.
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Affiliation(s)
- Tessa J Helman
- School of Pharmacy and Medical Science, Griffith University, Southport, Australia
| | - John P Headrick
- School of Pharmacy and Medical Science, Griffith University, Southport, Australia
| | - Jason N Peart
- School of Pharmacy and Medical Science, Griffith University, Southport, Australia
| | - Nicolas J C Stapelberg
- Faculty of Health Sciences and Medicine, Bond University, Robina, Australia.,Gold Coast Hospital and Health Service, Southport, Australia
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17
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Hersey M, Reneaux M, Berger SN, Mena S, Buchanan AM, Ou Y, Tavakoli N, Reagan LP, Clopath C, Hashemi P. A tale of two transmitters: serotonin and histamine as in vivo biomarkers of chronic stress in mice. J Neuroinflammation 2022; 19:167. [PMID: 35761344 PMCID: PMC9235270 DOI: 10.1186/s12974-022-02508-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 06/01/2022] [Indexed: 12/12/2022] Open
Abstract
Background Stress-induced mental illnesses (mediated by neuroinflammation) pose one of the world’s most urgent public health challenges. A reliable in vivo chemical biomarker of stress would significantly improve the clinical communities’ diagnostic and therapeutic approaches to illnesses, such as depression. Methods Male and female C57BL/6J mice underwent a chronic stress paradigm. We paired innovative in vivo serotonin and histamine voltammetric measurement technologies, behavioral testing, and cutting-edge mathematical methods to correlate chemistry to stress and behavior. Results Inflammation-induced increases in hypothalamic histamine were co-measured with decreased in vivo extracellular hippocampal serotonin in mice that underwent a chronic stress paradigm, regardless of behavioral phenotype. In animals with depression phenotypes, correlations were found between serotonin and the extent of behavioral indices of depression. We created a high accuracy algorithm that could predict whether animals had been exposed to stress or not based solely on the serotonin measurement. We next developed a model of serotonin and histamine modulation, which predicted that stress-induced neuroinflammation increases histaminergic activity, serving to inhibit serotonin. Finally, we created a mathematical index of stress, Si and predicted that during chronic stress, where Si is high, simultaneously increasing serotonin and decreasing histamine is the most effective chemical strategy to restoring serotonin to pre-stress levels. When we pursued this idea pharmacologically, our experiments were nearly identical to the model’s predictions. Conclusions This work shines the light on two biomarkers of chronic stress, histamine and serotonin, and implies that both may be important in our future investigations of the pathology and treatment of inflammation-induced depression. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02508-9.
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Affiliation(s)
- Melinda Hersey
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA.,Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina School of Medicine, Columbia, SC, 29209, USA
| | - Melissa Reneaux
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Shane N Berger
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Sergio Mena
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Anna Marie Buchanan
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Yangguang Ou
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Navid Tavakoli
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Lawrence P Reagan
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina School of Medicine, Columbia, SC, 29209, USA.,Columbia VA Health Care Systems, Columbia, SC, 29208, USA
| | - Claudia Clopath
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Parastoo Hashemi
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA. .,Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK.
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Potrebić M, Pavković Ž, Puškaš N, Pešić V. The Influence of Social Isolation on Social Orientation, Sociability, Social Novelty Preference, and Hippocampal Parvalbumin-Expressing Interneurons in Peripubertal Rats - Understanding the Importance of Meeting Social Needs in Adolescence. Front Behav Neurosci 2022; 16:872628. [PMID: 35592640 PMCID: PMC9113078 DOI: 10.3389/fnbeh.2022.872628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
The fulfillment of belonging needs underlies a variety of behaviors. In order to understand how social needs unmet during maturation shape everyday life, we examined social motivation and cognition in peripubertal rats, as a rodent model of adolescence, subjected to social isolation (SI) during early and early-to-mid adolescence. The behavioral correlates of social orientation (social space preference), sociability (preference for social over non-social novelty), and social novelty preference (SNP) were examined in group-housed (GH) and single-housed (SH) rats in a 3-chamber test. The response to social odors was examined to gain insights into the developmental role of social odors in motivated social behavior. Differentiation between appetitive (number of visits/approaches) and consummatory (exploratory time) aspects of motivated social behavior was done to determine which facet of social motivation characterizes maturation when social needs are met and which aspect dominates when social needs are unsatisfied. The SI-sensitive parvalbumin-expressing interneurons (PVI) in the hippocampus were examined using immunohistochemistry. The main findings are the following: (1) in GH rats, the preference for social space is not evident regardless of animals' age, while sociability becomes apparent in mid-adolescence strictly through consummatory behavior, along with complete SNP (appetitive, consummatory); (2) SH promotes staying in a social chamber/space regardless of animals' age and produces an appetitive preference for it only in early-adolescent animals; (3) SH promotes sociability (appetitive, consummatory) regardless of the animals' age and prevents the SNP; (4) the preference for a social odor is displayed in all the groups through consummatory behavior, while appetitive behavior is evident only in SH rats; (5) the response to social odors does not commensurate directly to the response to conspecifics; (6) SH does not influence PVI in the hippocampus, except in the case of early-adolescence when a transient decrease in the dentate gyrus is observed. These results accentuate the developmental complexity of social motivation and cognition, and the power of SI in adolescence to infringe social maturation at different functional levels, promoting appetitive behavior toward peers overall but harming the interest for social novelty. The findings emphasize the importance of the fulfillment of basic social needs in the navigation through the social world.
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Affiliation(s)
- Milica Potrebić
- Molecular Neurobiology and Behavior, Department of Neurobiology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Željko Pavković
- Molecular Neurobiology and Behavior, Department of Neurobiology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Nela Puškaš
- Institute of Histology and Embryology “Aleksandar Đ. Kostić”, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Vesna Pešić
- Molecular Neurobiology and Behavior, Department of Neurobiology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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De Gregorio D, Inserra A, Enns JP, Markopoulos A, Pileggi M, El Rahimy Y, Lopez-Canul M, Comai S, Gobbi G. Repeated lysergic acid diethylamide (LSD) reverses stress-induced anxiety-like behavior, cortical synaptogenesis deficits and serotonergic neurotransmission decline. Neuropsychopharmacology 2022; 47:1188-1198. [PMID: 35301424 PMCID: PMC9018770 DOI: 10.1038/s41386-022-01301-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 02/02/2023]
Abstract
Lysergic acid diethylamide (LSD) is a serotonergic psychedelic compound receiving increasing interest due to putative anxiolytic and antidepressant properties. However, the potential neurobiological mechanisms mediating these effects remain elusive. Employing in vivo electrophysiology, microionthophoresis, behavioral paradigms and morphology assays, we assessed the impact of acute and chronic LSD administration on anxiety-like behavior, on the cortical dendritic spines and on the activity of serotonin (5-HT) neurons originating in the dorsal raphe nucleus (DRN) in male mice exposed to chronic restraint stress. We found that while the acute intraperitoneal (i.p.) administration of LSD (5, 15 and 30 and 60 μg/kg) did not produce any anxiolytic or antidepressant effects in non-stressed mice, the dose of 30 µg/kg (daily for 7 days) prevented the stress-induced anxiety-like behavior and the stress-induced decrease of cortical spine densitiy. Interestingly, while LSD acutely decreased the firing activity of 5-HT neurons, repeated LSD increased their basal firing rate and restored the low 5-HT firing induced by stress. This effect was accompanied by a decreased inhibitory response of 5-HT neurons to microiontophoretic applications of the 5-HT1A agonist 8-OH-DPAT (8-hydroxy-N,N-dipropyl-2-aminotetralin). In conclusion, repeated LSD prevents the exacerbation of anxiety-like behavior following chronic stress exposure, but has no behavioral effects in non-stressed mice. These effects are paralleled by increased cortical spinogenesis and an enhancement of 5-HT neurotransmission which might be due to 5-HT1A receptors desensitization. Increased cortical spine density and enhancement of serotonergic neurotransmission may thus represent a candidate mechanism which mediate the therapeutic effects of serotonergic psychedelics on stress-induced anxiety.
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Affiliation(s)
- Danilo De Gregorio
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada ,grid.15496.3f0000 0001 0439 0892Present Address: Division of Neuroscience, Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Antonio Inserra
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada
| | - Justine P. Enns
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada
| | - Athanasios Markopoulos
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada
| | - Michael Pileggi
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada
| | - Youssef El Rahimy
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada
| | - Martha Lopez-Canul
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada
| | - Stefano Comai
- grid.63984.300000 0000 9064 4811Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1 Montreal, QC Canada ,grid.5608.b0000 0004 1757 3470Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy ,grid.15496.3f0000 0001 0439 0892Present Address: Division of Neuroscience, Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Gabriella Gobbi
- Department of Psychiatry, McGill University and Research Institute of the McGill University Health Center, H3A1A1, Montreal, QC, Canada.
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20
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Peptide LCGA-17 Attenuates Behavioral and Neurochemical Deficits in Rodent Models of PTSD and Depression. Pharmaceuticals (Basel) 2022; 15:ph15040462. [PMID: 35455459 PMCID: PMC9029485 DOI: 10.3390/ph15040462] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/30/2022] [Accepted: 04/07/2022] [Indexed: 12/16/2022] Open
Abstract
We have previously described the LCGA-17 peptide as a novel anxiolytic and antidepressant candidate that acts through the α2δ VGCC (voltage-gated calcium channel) subunit with putative synergism with GABA-A receptors. The current study tested the potential efficacy of acute and chronic intranasal (i.n.) LCGA-17 (0.05 mg/kg and 0.5 mg/kg) in rats on predator odor-induced conditioned place aversion (POCPA), a model of post-traumatic stress disorder (PTSD), and chronic unpredictable stress (CUS) that produce a range of behavioral and physiological changes that parallel symptoms of depression in humans. CUS and LCGA-17 treatment effects were tested in the sucrose preference (SPT) social interaction (SI), female urine sniffing (FUST), novelty-suppressed feeding (NSFT), and forced swim (FST) tests. Analysis of the catecholamines content in brain structures after CUS was carried out using HPLC. The efficacy of i.n. LCGA-17 was also assessed using the Elevated plus-maze (EPM) and FST. Acute LCGA-17 administration showed anxiolytic and antidepressant effects in EPM and FST, similar to diazepam and ketamine, respectively. In the POCPA study, LCGA-17 significantly reduced place aversion, with efficacy greater than doxazosin. After CUS, chronic LCGA-17 administration reversed stress-induced alterations in numerous behavioral tests (SI, FUST, SPT, and FST), producing significant anxiolytic and antidepressant effects. Finally, LCGA-17 restored the norepinephrine levels in the hippocampus following stress. Together, these results support the further development of the LCGA-17 peptide as a rapid-acting anxiolytic and antidepressant.
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de la Puente B, Zamanillo D, Romero L, Carceller A, Vela JM, Merlos M, Portillo-Salido E. Comprehensive Preclinical Assessment of Sensory, Functional, Motivational-Affective, and Neurochemical Outcomes in Neuropathic Pain: The Case of the Sigma-1 Receptor. ACS Pharmacol Transl Sci 2022; 5:240-254. [PMID: 35434530 PMCID: PMC9003638 DOI: 10.1021/acsptsci.2c00005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Indexed: 12/19/2022]
Abstract
Chronic pain remains a major health problem and is currently facing slow drug innovation. New drug treatments should address not only the sensory-discriminative but also functional and motivational-affective components of chronic pain. In a mouse model of neuropathic pain induced by partial sciatic nerve ligation (PSNL), we analyzed sensory and functional-like outcomes by hindpaw mechanical stimulation and automated gait analysis (CatWalk). We characterized over time a reward-seeking task based on diminished motivation for natural reinforcers (anhedonic-like behavior). To differentiate the appetitive ("wanting") and consummatory ("liking") aspects of motivational behavior, we quantified the latency and number of approaches to eat white chocolate, as well as the eating duration and amount consumed. We explored a putative chronic pain-induced dysregulation of monoamine function by measuring monoamine levels in the nucleus accumbens (NAc), a well-known brain reward area. Finally, we investigated the role of sigma-1 receptor (σ1R) modulation, a nonopioid target, in these multiple dimensions by genetic deletion and pharmacological dose-response studies. After 6 weeks, PSNL increased the approach latency and reduced the consumption of white chocolate in 20-25% of the mice, while around 50-60% had one or the other parameter affected independently. After 10 weeks, sham-operated mice also displayed anhedonic-like behavior. PSNL was associated with reduced extracellular baseline dopamine and increased norepinephrine in the NAc and with a suppression of increased dopamine and serotonin efflux in response to the rewarding stimulus. Genetic and pharmacological blockade of σ1R relieved these multiple alterations in nerve-injured mice. We comprehensively describe sensory, functional, and depression-like impairment of key components of motivated behavior associated with nerve injury. We provide a neurochemical substrate for the depressed mesocorticolimbic reward processing in chronic pain, with a potentially increased translational value. Our results also highlight σ1R for the therapeutic intervention of neuropathic pain.
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Affiliation(s)
| | - Daniel Zamanillo
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - Luz Romero
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - Alicia Carceller
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - José Miguel Vela
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - Manuel Merlos
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
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22
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Sucrose intake and preference by Wistar Han rats are not influenced by sex or food/water deprivation. Pharmacol Biochem Behav 2022; 216:173387. [DOI: 10.1016/j.pbb.2022.173387] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 01/11/2023]
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23
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Strekalova T, Pavlov D, Trofimov A, Anthony DC, Svistunov A, Proshin A, Umriukhin A, Lyundup A, Lesch KP, Cespuglio R. Hippocampal Over-Expression of Cyclooxygenase-2 (COX-2) Is Associated with Susceptibility to Stress-Induced Anhedonia in Mice. Int J Mol Sci 2022; 23:2061. [PMID: 35216176 PMCID: PMC8879061 DOI: 10.3390/ijms23042061] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/08/2022] [Accepted: 02/08/2022] [Indexed: 12/12/2022] Open
Abstract
The phenomenon of individual variability in susceptibility/resilience to stress and depression, in which the hippocampus plays a pivotal role, is attracting increasing attention. We investigated the potential role of hippocampal cyclooxygenase-2 (COX-2), which regulates plasticity, neuroimmune function, and stress responses that are all linked to this risk dichotomy. We used a four-week-long chronic mild stress (CMS) paradigm, in which mice could be stratified according to their susceptibility/resilience to anhedonia, a key feature of depression, to investigate hippocampal expression of COX-2, a marker of microglial activation Iba-1, and the proliferation marker Ki67. Rat exposure, social defeat, restraints, and tail suspension were used as stressors. We compared the effects of treatment with either the selective COX-2 inhibitor celecoxib (30 mg/kg/day) or citalopram (15 mg/kg/day). For the celecoxib and vehicle-treated mice, the Porsolt test was used. Anhedonic (susceptible) but not non-anhedonic (resilient) animals exhibited elevated COX-2 mRNA levels, increased numbers of COX-2 and Iba-1-positive cells in the dentate gyrus and the CA1 area, and decreased numbers of Ki67-positive cells in the subgranular zone of the hippocampus. Drug treatment decreased the percentage of anhedonic mice, normalized swimming activity, reduced behavioral despair, and improved conditioned fear memory. Hippocampal over-expression of COX-2 is associated with susceptibility to stress-induced anhedonia, and its pharmacological inhibition with celecoxib has antidepressant effects that are similar in size to those of citalopram.
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Affiliation(s)
- Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.T.); (K.-P.L.)
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
| | - Dmitrii Pavlov
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
- Hotchkiss Brain Institute, Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Alexander Trofimov
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.T.); (K.-P.L.)
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
| | - Daniel C. Anthony
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
| | - Andrei Svistunov
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
| | - Andrey Proshin
- P.K. Anokhin Research Institute of Normal Physiology, 125315 Moscow, Russia;
| | - Aleksei Umriukhin
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
| | - Alexei Lyundup
- Research and Educational Resource Center for Cellular Technologies, Peoples’ Friendship University of Russia, 117198 Moscow, Russia;
| | - Klaus-Peter Lesch
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.T.); (K.-P.L.)
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
- Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, 97080 Wuerzburg, Germany
| | - Raymond Cespuglio
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia; (D.P.); (D.C.A.); (A.S.); (A.U.); (R.C.)
- Centre de Recherche en Neurosciences de Lyon (CRNL), 69500 Bron, France
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24
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Sanacora G, Yan Z, Popoli M. The stressed synapse 2.0: pathophysiological mechanisms in stress-related neuropsychiatric disorders. Nat Rev Neurosci 2022; 23:86-103. [PMID: 34893785 DOI: 10.1038/s41583-021-00540-x] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2021] [Indexed: 12/25/2022]
Abstract
Stress is a primary risk factor for several neuropsychiatric disorders. Evidence from preclinical models and clinical studies of depression have revealed an array of structural and functional maladaptive changes, whereby adverse environmental factors shape the brain. These changes, observed from the molecular and transcriptional levels through to large-scale brain networks, to the behaviours reveal a complex matrix of interrelated pathophysiological processes that differ between sexes, providing insight into the potential underpinnings of the sex bias of neuropsychiatric disorders. Although many preclinical studies use chronic stress protocols, long-term changes are also induced by acute exposure to traumatic stress, opening a path to identify determinants of resilient versus susceptible responses to both acute and chronic stress. Epigenetic regulation of gene expression has emerged as a key player underlying the persistent impact of stress on the brain. Indeed, histone modification, DNA methylation and microRNAs are closely involved in many aspects of the stress response and reveal the glutamate system as a key player. The success of ketamine has stimulated a whole line of research and development on drugs directly or indirectly targeting glutamate function. However, the challenge of translating the emerging understanding of stress pathophysiology into effective clinical treatments remains a major challenge.
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Affiliation(s)
- Gerard Sanacora
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Zhen Yan
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | - Maurizio Popoli
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Department of Pharmaceutical Sciences, University of Milano, Milan, Italy.
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25
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Chronic mild stress paradigm as a rat model of depression: facts, artifacts, and future perspectives. Psychopharmacology (Berl) 2022; 239:663-693. [PMID: 35072761 PMCID: PMC8785013 DOI: 10.1007/s00213-021-05982-w] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 09/15/2021] [Indexed: 02/06/2023]
Abstract
RATIONALE The chronic mild stress (CMS) paradigm was first described almost 40 years ago and has become a widely used model in the search for antidepressant drugs for major depression disorder (MDD). It has resulted in the publication of almost 1700 studies in rats alone. Under the original CMS procedure, the expression of an anhedonic response, a key symptom of depression, was seen as an essential feature of both the model and a depressive state. The prolonged exposure of rodents to unpredictable/uncontrollable mild stressors leads to a reduction in the intake of palatable liquids, behavioral despair, locomotor inhibition, anxiety-like changes, and vegetative (somatic) abnormalities. Many of the CMS studies do not report these patterns of behaviors, and they often fail to include consistent molecular, neuroanatomical, and physiological phenotypes of CMS-exposed animals. OBJECTIVES To critically review the CMS studies in rats so that conceptual and methodological flaws can be avoided in future studies. RESULTS Analysis of the literature supports the validity of the CMS model and its impact on the field. However, further improvements could be achieved by (i) the stratification of animals into 'resilient' and 'susceptible' cohorts within the CMS animals, (ii) the use of more refined protocols in the sucrose test to mitigate physiological and physical artifacts, and (iii) the systematic evaluation of the non-specific effects of CMS and implementation of appropriate adjustments within the behavioral tests. CONCLUSIONS We propose methodological revisions and the use of more advanced behavioral tests to refine the rat CMS paradigm, which offers a valuable tool for developing new antidepressant medications.
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Cahill B, Poelker-Wells S, Prather JF, Li Y. A Glimpse Into the Sexual Dimorphisms in Major Depressive Disorder Through Epigenetic Studies. Front Neural Circuits 2021; 15:768571. [PMID: 34744641 PMCID: PMC8564393 DOI: 10.3389/fncir.2021.768571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 09/28/2021] [Indexed: 11/13/2022] Open
Abstract
Depression is an umbrella term used to describe a mood disorder with a broad spectrum of symptoms including a persistent feeling of sadness, loss of interest, and deficits in social behavior. Epigenetic research bridges the environmental and genetic landscape and has the potential to exponentially improve our understanding of such a complex disorder. Depression is also a sexually dimorphic disorder and variations exist within epigenetic modification sites between sexes. These sex-specific mediators may impact behavioral symptomology and could serve as therapeutic targets for treatments to improve behavioral deficits. This mini review will focus on the social behavior perspective of depression and specifically explore the sexually different epigenetic modifications on depression.
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Affiliation(s)
- Branden Cahill
- Department of Zoology and Physiology, University of Wyoming, Laramie, WY, United States
| | - Samuel Poelker-Wells
- Department of Zoology and Physiology, University of Wyoming, Laramie, WY, United States
| | - Jonathan F Prather
- Department of Zoology and Physiology, University of Wyoming, Laramie, WY, United States
| | - Yun Li
- Department of Zoology and Physiology, University of Wyoming, Laramie, WY, United States
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27
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Lages YV, Maisonnette SS, Marinho B, Rosseti FP, Krahe TE, Landeira-Fernandez J. Behavioral effects of chronic stress in Carioca high- and low-conditioned freezing rats. Stress 2021; 24:602-611. [PMID: 34030584 DOI: 10.1080/10253890.2021.1934445] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Chronic unpredictable mild stress (CUMS) is a widely used model to study stress-coping strategies in rodents. Different factors have been shown to influence whether animals adopt passive or active coping responses to CUMS. Individual adaptation and susceptibility to the environment seem to play a critical role in this process. To further investigate this relationship, we examined the effects of CUMS on Carioca high- and low-conditioned freezing rats (CHF and CLF, respectively), bidirectional lines of animals selected for high and low freezing in response to contextual cues that were previously associated with footshocks. For this purpose, the behavior of CHF and CLF animals was evaluated in the contextual fear conditioning, open field, elevated T maze, and forced swimming tests before and after 21 days of CUMS. For all tests, CHF rats were more susceptible to the effects of CUMS compared to CLF. CHF animals exposed to CUMS displayed a reduction in freezing behavior, decreased number of entries and time spent in the center of the open field, greater latencies to become immobile, and increased avoidance and escaping behaviors in the elevated T maze. Overall, these findings support the hypothesis that a heightened susceptibility to the environment exerts a strong influence on coping responses to chronic stress.
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Affiliation(s)
- Yury V Lages
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Silvia S Maisonnette
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Beatriz Marinho
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flávia P Rosseti
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thomas E Krahe
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - J Landeira-Fernandez
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
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28
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Phua SC, Tan YL, Kok AMY, Senol E, Chiam CJH, Lee CY, Peng Y, Lim ATJ, Mohammad H, Lim JX, Fu Y. A distinct parabrachial-to-lateral hypothalamus circuit for motivational suppression of feeding by nociception. SCIENCE ADVANCES 2021; 7:7/19/eabe4323. [PMID: 33962958 PMCID: PMC8104871 DOI: 10.1126/sciadv.abe4323] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 03/18/2021] [Indexed: 05/26/2023]
Abstract
The motivation to eat is not only shaped by nutrition but also competed by external stimuli including pain. How the mouse hypothalamus, the feeding regulation center, integrates nociceptive inputs to modulate feeding is unclear. Within the key nociception relay center parabrachial nucleus (PBN), we demonstrated that neurons projecting to the lateral hypothalamus (LHPBN) are nociceptive yet distinct from danger-encoding central amygdala-projecting (CeAPBN) neurons. Activation of LHPBN strongly suppressed feeding by limiting eating frequency and also reduced motivation to work for food reward. Refined approach-avoidance paradigm revealed that suppression of LHPBN, but not CeAPBN, sustained motivation to obtain food. The effect of LHPBN neurons on feeding was reversed by suppressing downstream LHVGluT2 neurons. Thus, distinct from a circuit for fear and escape responses, LHPBN neurons channel nociceptive signals to LHVGluT2 neurons to suppress motivational drive for feeding. Our study provides a new perspective in understanding feeding regulation by external competing stimuli.
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Affiliation(s)
- Siew Cheng Phua
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore.
| | - Yu Lin Tan
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore.
| | - Alison Maun Yeng Kok
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore
| | - Esra Senol
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore
| | - Christine Jin Hui Chiam
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
| | - Chun-Yao Lee
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
| | - Yanmin Peng
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | | | - Hasan Mohammad
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
| | - Jing-Xuan Lim
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore
| | - Yu Fu
- Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A*STAR), 138667, Singapore.
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
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Liu CP, Zhong M, Sun JX, He J, Gao Y, Qin FX. miR‑146a reduces depressive behavior by inhibiting microglial activation. Mol Med Rep 2021; 23:463. [PMID: 33880591 PMCID: PMC8097766 DOI: 10.3892/mmr.2021.12102] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 03/01/2021] [Indexed: 11/12/2022] Open
Abstract
Depression is one of the major psychiatric diseases affecting the quality of life for individuals worldwide. Numerous reports have investigated depression, although its etiology remains to be elucidated. microRNA (miR)-146a is suggested to regulate innate immune and inflammatory responses. However, it is unclear whether miR-146a is involved in depression. Depression model mice were established using lipopolysaccharide-induced depression and chronic unpredictable mild stress, separately. miR-146a mimic and short interfering RNA were used to treat depressed mice. Depression-like behaviors and levels of pro-inflammatory cytokines were measured, while ionized calcium binding adapter molecule 1 (Iba-1) expression in hippocampus was quantified by immunohistochemistry. Neuroinflammatory factor levels in hippocampus were measured by western blotting. BV-2 cells were used to confirm that miR-146a suppressed microglia activation. Compared with control mice, the two depressed mouse models showed clearly decreased sucrose preference and significantly increased immobility time in the forced swimming test and tail suspension test (P<0.05). miR-146a overexpression significantly increased sucrose preference and reduced immobility time in depressed mice (P<0.05). However, total distance traveled in the locomotor activity test did not differ among groups. Compared with controls, expression levels of Iba-1, inducible nitric oxide, IL-1β, TNF-α, interleukin 1 receptor associated kinase 1 (IRAK1), TNF receptor-associated factor 6 (TRAF6) and phosphorylated NF-κB p65 were significantly increased in depressed mice (P<0.05). miR-146a overexpression effectively inhibited expression of these neuroinflammatory proteins, while miR-146a silencing significantly upregulated their expression (P<0.05). Consistent with these in vivo results, miR-146a mimic treatment inhibited TNF-α, IL-1β, IRAK1 and TRAF6 expression in BV-2 cells. miR-146a improved depressive behaviors in depressed model mice by inhibiting microglial activation and neuroinflammatory factor expression.
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Affiliation(s)
- Chuan-Peng Liu
- Department of Psychiatry, Binzhou People's Hospital, Binzhou, Shandong 256600, P.R. China
| | - Ming Zhong
- Department of Psychiatry, Binzhou Youfu Hospital, Binzhou, Shandong 256600, P.R. China
| | - Jun-Xia Sun
- Department of Psychiatry, Binzhou Youfu Hospital, Binzhou, Shandong 256600, P.R. China
| | - Jin He
- Department of Psychiatry, Binzhou People's Hospital, Binzhou, Shandong 256600, P.R. China
| | - Yong Gao
- Department of Psychiatry, Binzhou People's Hospital, Binzhou, Shandong 256600, P.R. China
| | - Fang-Xia Qin
- Department of Psychology, Shandong Provincial Mental Health Center, Jinan, Shandong 250014, P.R. China
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30
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Lages YVM, Rossi AD, Krahe TE, Landeira-Fernandez J. Effect of chronic unpredictable mild stress on the expression profile of serotonin receptors in rats and mice: a meta-analysis. Neurosci Biobehav Rev 2021; 124:78-88. [PMID: 33524415 DOI: 10.1016/j.neubiorev.2021.01.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 12/17/2022]
Abstract
Chronic-stress-induced depression is recognized as a widespread public health concern. Selective serotonin reuptake inhibitors (SSRIs) have been the most common treatment for this illness. However, the role of 5-hydroxytryptamine (5-HT) receptor subtypes in stress-induced depression remains unclear. Evidence from Animal studies has reported a variety of results regarding the effects of chronic unpredictable mild stress (CUMS) on serotonin signaling pathways and 5-HT receptor subtypes. This divergence may rely on differences in protocols, methods, and studied pathways. Thus, the aim of this systematic review was to weigh the currently available findings regarding serotonin receptor changes in animal models of CUMS. Overall, our meta-analysis results showed the association of altered expression of 5-HT1A receptors in the frontal cortex and 5-HT2A receptors both in the whole cortex and the hypothalamus of rats following CUMS. Moreover, by using a qualitative-structured analysis and the application of risk-of-bias tools, we identified possible sources of data variation between the studied literature, which should be taken into account in future animal studies of chronic-stress induced depression.
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Affiliation(s)
- Y V M Lages
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - A D Rossi
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - T E Krahe
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - J Landeira-Fernandez
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil.
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31
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Elhussiny MEA, Carini G, Mingardi J, Tornese P, Sala N, Bono F, Fiorentini C, La Via L, Popoli M, Musazzi L, Barbon A. Modulation by chronic stress and ketamine of ionotropic AMPA/NMDA and metabotropic glutamate receptors in the rat hippocampus. Prog Neuropsychopharmacol Biol Psychiatry 2021; 104:110033. [PMID: 32640261 DOI: 10.1016/j.pnpbp.2020.110033] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/22/2020] [Accepted: 06/30/2020] [Indexed: 12/12/2022]
Abstract
Converging clinical and preclinical evidence has shown that dysfunction of the glutamate system is a core feature of major depressive disorder. In this context, the N-methyl-d-aspartate (NMDA) receptor antagonist ketamine has raised growing interest as fast acting antidepressant. Using the chronic mild stress (CMS) rat model of depression, performed in male rats, we aimed at analyzing whether hippocampal specific changes in subunit expression and regulation of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) or NMDA ionotropic receptors and in metabotropic glutamate receptors could be associated with behavioral vulnerability/resilience to CMS. We also assessed whether acute ketamine (10 mg/kg) was able to dampen the alterations in CMS vulnerable animals. Although chronic stress and ketamine had no effect on ionotropic glutamate receptors mRNAs (expression, RNA editing and splicing), we found selective modulations in their protein expression, phosphorylation and localization at synaptic membranes. AMPA GluA2 expression at synaptic membranes was significantly increased only in CMS resilient rats (although a trend was found also in vulnerable animals), while its phosphorylation at Ser880 was higher in both CMS resilient and vulnerable rats, a change partially dampened by ketamine. In the hippocampus from all stressed groups, despite NMDA receptor expression levels were reduced in total extract, the levels of GluN2B-containing NMDA receptors were remarkably increased in synaptic membranes. Finally, mGlu2 underwent a selective downregulation in stress vulnerable animals, which was completely restored by acute ketamine. Overall, these results are in line with a hypofunction of activity-dependent glutamatergic synaptic transmission induced by chronic stress exposure in all the animals, as suggested by the alterations of ionotropic glutamate receptors expression and localization at synaptic level. At the same time, the selective modulation of mGlu2 receptor, confirms its previously hypothesized functional role in regulating stress vulnerability and, for the first time here, suggests a mGlu2 involvement in the fast antidepressant effect of ketamine.
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Affiliation(s)
- Mohammed E A Elhussiny
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Giulia Carini
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Jessica Mingardi
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Paolo Tornese
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Sezione di Fisiologia e Farmacologia, Università degli Studi di Milano, Milan, Italy
| | - Nathalie Sala
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Sezione di Fisiologia e Farmacologia, Università degli Studi di Milano, Milan, Italy
| | - Federica Bono
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Chiara Fiorentini
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luca La Via
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Maurizio Popoli
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Sezione di Fisiologia e Farmacologia, Università degli Studi di Milano, Milan, Italy
| | - Laura Musazzi
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmaceutiche, Sezione di Fisiologia e Farmacologia, Università degli Studi di Milano, Milan, Italy
| | - Alessandro Barbon
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.
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Wang K, Zhai Q, Wang S, Li Q, Liu J, Meng F, Wang W, Zhang J, Wang D, Zhao D, Liu C, Dai J, Li C, Cui M, Chen J. Cryptotanshinone ameliorates CUS-induced depressive-like behaviors in mice. Transl Neurosci 2021; 12:469-481. [PMID: 34900345 PMCID: PMC8633587 DOI: 10.1515/tnsci-2020-0198] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/19/2021] [Accepted: 11/02/2021] [Indexed: 12/26/2022] Open
Abstract
Objectives Cryptotanshinone (CPT), a natural quinoid diterpene, isolated from Salvia miltiorrhiza, has shown various pharmacological properties. However, its effect on chronic unpredictable stress (CUS)-induced depression phenotypes and the underlying mechanism remain unclear. Therefore, the aim of this study was to investigate whether CPT could exert an antidepressant effect. Methods We investigated the effects of CPT in a CUS-induced depression model and explored whether these effects were related to the anti-inflammatory and neurogenesis promoting properties by investigating the expression levels of various signaling molecules at the mRNA and protein levels. Results Administration of CPT improved depression-like behaviors in CUS-induced mice. CPT administration increased the levels of doublecortin-positive cells and reversed the decrease in the expression levels of brain-derived neurotrophic factor (BDNF)/tyrosine kinase receptor B (TrkB) signaling transduction, as well as the downstream functional proteins, phosphorylated extracellular regulated protein kinases (p-ERK), and cyclic adenosine monophosphate (cAMP)-response element-binding protein levels (p-CREB) in hippocampus. CPT treatment also inhibited the activation of microglia and suppressed M1 microglial polarization, while promoting M2 microglial polarization by monitoring the expression levels of arginase 1 (Arg-1) and inducible nitric oxide synthase (iNOS), and further inhibited the expression of proinflammatory cytokines, including interleukin (IL)-1, IL-6, and tumor necrosis factor-α (TNF-α), and increased the expression of the anti-inflammatory cytokine IL-10 by regulating nuclear factor-κB (NF-κB) activation. Conclusions CPT relieves the depressive-like state in CUS-induced mice by enhancing neurogenesis and inhibiting inflammation through the BDNF/TrkB and NF-κB pathways and could therefore serve as a promising candidate for the treatment of depression.
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Affiliation(s)
- Kaixin Wang
- Department of Neurology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China.,Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Department of Internal Medicine, Jinan Hospital, Jinan, Shandong, China
| | - Qingling Zhai
- Department of Neurology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China.,Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Sanwang Wang
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Department of Psychology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China
| | - Qiongyu Li
- Department of Gastroenterology, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Jing Liu
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Fantao Meng
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Wentao Wang
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Jinjie Zhang
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Dan Wang
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Di Zhao
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Cuilan Liu
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Juanjuan Dai
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Chen Li
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.,Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Minghu Cui
- Department of Psychology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China
| | - Jinbo Chen
- Department of Neurology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256603, China
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33
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Song Z, Wang JH. miRNA and mRNA Profiles in Ventral Tegmental Area From Juvenile Mice With Companion Communication of Improving CUMS-Induced Depression-Like Behaviors. Front Psychiatry 2021; 12:634933. [PMID: 33868052 PMCID: PMC8044319 DOI: 10.3389/fpsyt.2021.634933] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 03/09/2021] [Indexed: 01/24/2023] Open
Abstract
Under chronic stress, the appearance of depression-like behaviors may be related to the decline of the brain's reward circuit function which caused by long-term lack of reward. However, the effect of reward treatment on depressive-like behaviors induced by chronic stress and its molecular mechanism in the brain remain poorly understood. Here, accompanying with companion was used to imitate a reward to study the effect of reward on depression-like behaviors induced by chronic unpredicted mild stress (CUMS), and high-throughput sequencing was used to analyze the miRNA and mRNA profiles in ventral tegmental area (VTA) harvested from depression-like and resilient behaviors mice. We observed that CUMS-induced depression-like behaviors were ameliorated by accompanying with companion in mice, and 202 differentially expressed genes (DEGs) were found to be associated with depression-like behaviors, 27 DEGs associated with resilience, 159 DEGs associated with accompanying with companion. Importantly, we also obtained 228 differentially expressed miRNAs that associated with accompanying with companion. Furthermore, the miRNA-mRNA network associated with companion was established in ventral tegmental area, based on the miRNA and mRNA profiles. Altogether, our results uncover a new way to ameliorate depression-like behavior, as well as many potential drug targets to prevent or treat depression.
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Affiliation(s)
- Zhenhua Song
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Jin-Hui Wang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
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34
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Musaelyan K, Yildizoglu S, Bozeman J, Du Preez A, Egeland M, Zunszain PA, Pariante CM, Fernandes C, Thuret S. Chronic stress induces significant gene expression changes in the prefrontal cortex alongside alterations in adult hippocampal neurogenesis. Brain Commun 2020; 2:fcaa153. [PMID: 33543135 PMCID: PMC7850288 DOI: 10.1093/braincomms/fcaa153] [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: 10/16/2019] [Revised: 07/20/2020] [Accepted: 07/29/2020] [Indexed: 02/07/2023] Open
Abstract
Adult hippocampal neurogenesis is involved in stress-related disorders such as depression, posttraumatic stress disorders, as well as in the mechanism of antidepressant effects. However, the molecular mechanisms involved in these associations remain to be fully explored. In this study, unpredictable chronic mild stress in mice resulted in a deficit in neuronal dendritic tree development and neuroblast migration in the hippocampal neurogenic niche. To investigate molecular pathways underlying neurogenesis alteration, genome-wide gene expression changes were assessed in the prefrontal cortex, hippocampus and the hypothalamus alongside neurogenesis changes. Cluster analysis showed that the transcriptomic signature of chronic stress is much more prominent in the prefrontal cortex compared to the hippocampus and the hypothalamus. Pathway analyses suggested huntingtin, leptin, myelin regulatory factor, methyl-CpG binding protein and brain-derived neurotrophic factor as the top predicted upstream regulators of transcriptomic changes in the prefrontal cortex. Involvement of the satiety regulating pathways (leptin) was corroborated by behavioural data showing increased food reward motivation in stressed mice. Behavioural and gene expression data also suggested circadian rhythm disruption and activation of circadian clock genes such as Period 2. Interestingly, most of these pathways have been previously shown to be involved in the regulation of adult hippocampal neurogenesis. It is possible that activation of these pathways in the prefrontal cortex by chronic stress indirectly affects neuronal differentiation and migration in the hippocampal neurogenic niche via reciprocal connections between the two brain areas.
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Affiliation(s)
- Ksenia Musaelyan
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK
| | - Selin Yildizoglu
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
| | - James Bozeman
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
| | - Andrea Du Preez
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK
| | - Martin Egeland
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK
| | - Patricia A Zunszain
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
| | - Carmine M Pariante
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
| | - Cathy Fernandes
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK
- MRC Centre for Neurodevelopmental Disorders, King’s College London, London SE1 1UL, UK
| | - Sandrine Thuret
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9NU, UK
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Banaszkiewicz I, Biala G, Kruk-Slomka M. Contribution of CB2 receptors in schizophrenia-related symptoms in various animal models: Short review. Neurosci Biobehav Rev 2020; 114:158-171. [PMID: 32437746 DOI: 10.1016/j.neubiorev.2020.04.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 04/16/2020] [Accepted: 04/20/2020] [Indexed: 12/28/2022]
Abstract
Schizophrenia is a severe and chronic mental disease with a high prevalence and a variety of symptoms. Data from behavioural studies suggest that it is rational to investigate the endocannabinoid system (ECS) and its cannabinoid receptor (CBr) because they seem to underlie susceptibility to schizophrenia, and these findings have pointed to several lines of future research. Currently, most available studies address the role of CBr type 1 in schizophrenia-like responses. Here, we present for the first time, a review that demonstrates the pivotal role of CBr type 2 in the regulation of neurobiological processes underlying cognition, psychosis- and mood-related (anxiety, depression) behaviours, all of which may be included in schizophrenia symptoms. This review is based on available evidence from the PubMed database regarding schizophrenia-like symptoms induced via CB2r modulation in various animal models. The data presented in this manuscript indicate that CB2r could be a promising new key target in the treatment of different central nervous system (CNS) disorders, which manifest as psychosis, mood-related disturbances and/or memory impairment.
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Affiliation(s)
- Izabela Banaszkiewicz
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
| | - Grazyna Biala
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
| | - Marta Kruk-Slomka
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland.
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36
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Cellular mechanisms and molecular signaling pathways in stress-induced anxiety, depression, and blood-brain barrier inflammation and leakage. Inflammopharmacology 2020; 28:643-665. [PMID: 32333258 DOI: 10.1007/s10787-020-00712-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 04/15/2020] [Indexed: 12/17/2022]
Abstract
Depression and anxiety are comorbid conditions in many neurological or psychopathological disorders. Stress is an underlying event that triggers development of anxiety and depressive-like behaviors. Recent experimental data indicate that anxiety and depressive-like behaviors occurring as a result of stressful situations can cause blood-brain barrier (BBB) dysfunction, which is characterized by inflammation and leakage. However, the underlying mechanisms are not completely understood. This paper sought to review recent experimental preclinical and clinical data that suggest possible molecular mechanisms involved in development of stress-induced anxiety and depression with associated BBB inflammation and leakage. Critical therapeutic targets and potential pharmacological candidates for treatment of stress-induced anxiety and depression with associated BBB dysfunctions are also discussed.
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37
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Susceptibility and resilience to chronic social defeat stress in adolescent male mice: No correlation between social avoidance and sucrose preference. Neurobiol Stress 2020; 12:100221. [PMID: 32435670 PMCID: PMC7231980 DOI: 10.1016/j.ynstr.2020.100221] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/06/2020] [Accepted: 04/07/2020] [Indexed: 02/07/2023] Open
Abstract
Psychosocial stress is the major form of stress faced by children and adolescents and is an important risk factor for the development of mental illnesses. Chronic social defeat stress (CSDS) is a preclinical mouse model that induces an entire spectrum of phenotypes with similar interindividual variability as seen in humans. Following CSDS, adult male mice have been characterized as being either susceptible or resilient to emotional stress on the basis of their social interactions, which was reported to be highly correlated with sucrose preference (SP) when measured after the last defeat episode. We studied adolescent male C57BL/6 mice (30 days old) for susceptibility and resilience to social avoidance, anhedonia and anxiety-like behaviors, body weight change and basal blood corticosterone concentrations after 10 days of CSDS. Defeated adolescents showed reduced SP, reduced social interaction time (with an unknown adolescent male from their same strain), reduced weight gain and higher basal blood corticosterone concentration when compared to nondefeated mice. Only a small proportion of defeated adolescents were either totally susceptible (20%) or totally resilient (30%) in both the SP and social avoidance tests. The remaining defeated mice had a distinct behavioral impairment - susceptible in one test and resilient in the other. Surprisingly, behaviorally resilient defeated adolescents were the most affected population in terms of both endocrine/physiological outcomes. These findings illustrate that, contrary to prior assumptions in adults, the CSDS responses are more complex and singular in adolescents, and caution should be taken for the correct interpretation of those phenotypes. We propose a better characterization of social defeat stress responses as a critical step to advance our understanding of the mechanisms behind stress resilience that translate to human experience.
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Welcome MO, Mastorakis NE. Stress-induced blood brain barrier disruption: Molecular mechanisms and signaling pathways. Pharmacol Res 2020; 157:104769. [PMID: 32275963 DOI: 10.1016/j.phrs.2020.104769] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 03/09/2020] [Accepted: 03/19/2020] [Indexed: 02/07/2023]
Abstract
Stress is a nonspecific response to a threat or noxious stimuli with resultant damaging consequences. Stress is believed to be an underlying process that can trigger central nervous system disorders such as depression, anxiety, and post-traumatic stress disorder. Though the pathophysiological basis is not completely understood, data have consistently shown a pivotal role of inflammatory mediators and hypothalamo-pituitary-adrenal (HPA) axis activation in stress induced disorders. Indeed emerging experimental evidences indicate a concurrent activation of inflammatory signaling pathways and not only the HPA axis, but also, peripheral and central renin-angiotensin system (RAS). Furthermore, recent experimental data indicate that the HPA and RAS are coupled to the signaling of a range of central neuro-transmitter, -mediator and -peptide molecules that are also regulated, at least in part, by inflammatory signaling cascades and vice versa. More recently, experimental evidences suggest a critical role of stress in disruption of the blood brain barrier (BBB), a neurovascular unit that regulates the movement of substances and blood-borne immune cells into the brain parenchyma, and prevents peripheral injury to the brain substance. However, the mechanisms underlying stress-induced BBB disruption are not exactly known. In this review, we summarize studies conducted on the effects of stress on the BBB and integrate recent data that suggest possible molecular mechanisms and signaling pathways underlying stress-induced BBB disruption. Key molecular targets and pharmacological candidates for treatment of stress and related illnesses are also summarized.
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Affiliation(s)
- Menizibeya O Welcome
- Department of Physiology, Faculty of Basic Medical Sciences, College of Health Sciences, Nile University of Nigeria, Abuja, Nigeria.
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Jiménez Vásquez FDJ, Guerrero DM, Osornio MR, Rubio Osornio MDC, Suárez SO, Retana-Márquez S. Decreased serotonin content and release in the ventral hippocampus of prenatally stressed male rats in response to forced swim test. Acta Neurobiol Exp (Wars) 2020. [DOI: 10.21307/ane-2020-029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Deficiency in Androgen Receptor Aggravates the Depressive-Like Behaviors in Chronic Mild Stress Model of Depression. Cells 2019; 8:cells8091021. [PMID: 31480771 PMCID: PMC6769639 DOI: 10.3390/cells8091021] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/22/2019] [Accepted: 08/28/2019] [Indexed: 02/06/2023] Open
Abstract
While androgen receptor (AR) and stress may influence the development of the major depressive disorder (MDD), the detailed relationship, however, remains unclear. Here we found loss of AR accelerated development of depressive-like behaviors in mice under chronic mild stress (CMS). Mechanism dissection indicated that AR might function via altering the expression of miR-204-5p to modulate the brain-derived neurotrophic factor (BDNF) expression to influence the depressive-like behaviors in the mice under the CMS. Adding the antiandrogen flutamide with the stress hormone corticosterone can additively decrease BDNF mRNA in mouse hippocampus mHippoE-14 cells, which can then be reversed via down-regulating the miR-204-5p expression. Importantly, targeting this newly identified AR-mediated miR-204-5p/BDNF/AKT/MAPK signaling with small molecules including 7,8-DHF and fluoxetine, all led to alter the depressive-like behavior in AR knockout mice under CMS exposure. Together, results from these preclinical studies conclude that decreased AR may accelerate the stress-induced MDD via altering miR-204-5p/BDNF/AKT/MAPK signaling, and targeting this newly identified signaling may help in the development of better therapeutic approaches to reduce the development of MDD.
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Sen MK, Mahns DA, Coorssen JR, Shortland PJ. Behavioural phenotypes in the cuprizone model of central nervous system demyelination. Neurosci Biobehav Rev 2019; 107:23-46. [PMID: 31442519 DOI: 10.1016/j.neubiorev.2019.08.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 08/01/2019] [Accepted: 08/12/2019] [Indexed: 12/14/2022]
Abstract
The feeding of cuprizone (CPZ) to animals has been extensively used to model the processes of demyelination and remyelination, with many papers adopting a narrative linked to demyelinating conditions like multiple sclerosis (MS), the aetiology of which is unknown. However, no current animal model faithfully replicates the myriad of symptoms seen in the clinical condition of MS. CPZ ingestion causes mitochondrial and endoplasmic reticulum stress and subsequent apoptosis of oligodendrocytes leads to central nervous system demyelination and glial cell activation. Although there are a wide variety of behavioural tests available for characterizing the functional deficits in animal models of disease, including that of CPZ-induced deficits, they have focused on a narrow subset of outcomes such as motor performance, cognition, and anxiety. The literature has not been systematically reviewed in relation to these or other symptoms associated with clinical MS. This paper reviews these tests and makes recommendations as to which are the most important in order to better understand the role of this model in examining aspects of demyelinating diseases like MS.
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Affiliation(s)
- Monokesh K Sen
- School of Medicine, Western Sydney University, New South Wales, Australia
| | - David A Mahns
- School of Medicine, Western Sydney University, New South Wales, Australia
| | - Jens R Coorssen
- Departments of Health Sciences and Biological Sciences, Faculties of Applied Health Sciences and Mathematics & Science, Brock University, Ontario, Canada.
| | - Peter J Shortland
- Science and Health, Western Sydney University, New South Wales, Australia.
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Grimm JW, Hyde J, Glueck E, North K, Ginder D, Jiganti K, Hopkins M, Sauter F, MacDougall D, Hovander D. Examining persistence of acute environmental enrichment-induced anti-sucrose craving effects in rats. Appetite 2019; 139:50-58. [PMID: 31002852 PMCID: PMC6556147 DOI: 10.1016/j.appet.2019.03.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/29/2019] [Accepted: 03/31/2019] [Indexed: 10/27/2022]
Abstract
A single, overnight (acute) environmental enrichment (EE; a large environment with conspecifics and novel objects) experience robustly decreases sucrose consumption (taking) and responsiveness to sucrose-paired cues (seeking) in rats. Persisting effects of acute EE on sucrose seeking and taking have not yet been identified. In the present study, rats were trained to self-administer a 10% sucrose solution paired with a compound tone + light stimulus for 10 days in 2-h sessions. We then examined the persistence of acute EE effects at reducing sucrose seeking and taking in a 12-h test immediately following acute EE (Exp. 1), or for 7 days with daily 1-h tests immediately following acute EE, or after a 24-h delay (Exp. 2). We also examined the persistence of acute EE effects on sucrose taking in rats responding on a PR schedule in 7 daily sessions following acute EE (Exp. 3). We found that acute EE was effective at reducing responding for both sucrose and a sucrose-paired cue, persisting throughout the 12-h test (Exp. 1). A reduction in sucrose seeking persisted for 24 h and a reduction in sucrose taking persisted for 72 h following acute EE plus a 24-h delay prior to testing (Exp. 2). Decreased PR responding for sucrose was observed following acute EE; this reduction persisted for 48 h (Exp. 3). These findings indicate that acute exposure to EE has persisting effects at reducing sucrose seeking and taking in rats. Acute EE may have translational value as a non-pharmacological intervention to curb sucrose craving.
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Affiliation(s)
- Jeffrey W Grimm
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA.
| | - Jeff Hyde
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Edwin Glueck
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Katherine North
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Darren Ginder
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Kyle Jiganti
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Madeleine Hopkins
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Frances Sauter
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Derek MacDougall
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
| | - Dan Hovander
- Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA, 98225-9172, USA
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microRNA and mRNA profiles in the amygdala are associated with stress-induced depression and resilience in juvenile mice. Psychopharmacology (Berl) 2019; 236:2119-2142. [PMID: 30900007 DOI: 10.1007/s00213-019-05209-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 02/25/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVES Major depressive disorder characterized as recurrent negative mood is one of the prevalent psychiatric diseases. Chronic stress plus lack of reward may induce long-term imbalance between reward and penalty circuits in the brain, leading to persistent negative mood. Numerous individuals demonstrate resilience to chronic mild stress. Molecular mechanisms for major depression and resilience in the brain remain unclear. METHODS After juvenile mice were treated by the chronic unpredictable mild stress (CUMS) for 4 weeks, they were screened by sucrose preference, Y-maze and forced swimming tests to examine whether their behaviors were depression-like or not. mRNA and miRNA profiles were quantified by high-throughput sequencing in amygdala tissues harvested from control, CUMS-susceptible, and CUMS-resilience mice. RESULTS 1.5-fold ratio in reads per kilo-base per million reads was set to be the threshold to judge the involvement of mRNAs and miRNAs in the CUMS, major depression, or resilience. In the amygdala from CUMS-susceptible mice, the expression of genes relevant to GABAergic, cholinergic, glutamatergic, dopaminergic, and serotonergic synapses was changed, as well as the expression of genes that encoded signal pathways of PI3K-Akt, calcium, cAMP, MAPK, and drug addiction was imbalanced. The expression of these genes in the amygdala form CUMS-resilience mice was less changed. CONCLUSIONS The downregulation of genes relevant to synaptic functions and the imbalance of intra-signaling pathway in the amygdala are associated with major depression. Consistent results through sequencing mRNA and miRNA and using different methods validate our finding and conclusion.
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Krzystyniak A, Baczynska E, Magnowska M, Antoniuk S, Roszkowska M, Zareba-Koziol M, Das N, Basu S, Pikula M, Wlodarczyk J. Prophylactic Ketamine Treatment Promotes Resilience to Chronic Stress and Accelerates Recovery: Correlation with Changes in Synaptic Plasticity in the CA3 Subregion of the Hippocampus. Int J Mol Sci 2019; 20:ijms20071726. [PMID: 30965559 PMCID: PMC6479955 DOI: 10.3390/ijms20071726] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 04/01/2019] [Accepted: 04/04/2019] [Indexed: 12/14/2022] Open
Abstract
Ketamine is an N-methyl-d-aspartate receptor antagonist that has gained wide attention as a potent antidepressant. It has also been recently reported to have prophylactic effects in animal models of depression and anxiety. Alterations of neuroplasticity in different brain regions; such as the hippocampus; prefrontal cortex; and amygdala; are a hallmark of stress-related disorders; and such changes may endure beyond the treatment of symptoms. The present study investigated whether a prophylactic injection of ketamine has effects on structural plasticity in the brain in mice that are subjected to chronic unpredictable stress followed by an 8-day recovery period. Ketamine administration (3 mg/kg body weight) 1 h before stress exposure increased the number of resilient animals immediately after the cessation of stress exposure and positively influenced the recovery of susceptible animals to hedonic deficits. At the end of the recovery period; ketamine-treated animals exhibited significant differences in dendritic spine density and dendritic spine morphology in brain regions associated with depression compared with saline-treated animals. These results confirm previous findings of the prophylactic effects of ketamine and provide further evidence of an association between the antidepressant-like effect of ketamine and alterations of structural plasticity in the brain
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Affiliation(s)
- Adam Krzystyniak
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
| | - Ewa Baczynska
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
- The Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka Street 44/52, 01-224 Warsaw, Poland.
| | - Marta Magnowska
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
| | - Svitlana Antoniuk
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
- Cellular Neurophysiology, Centre of Physiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
| | - Matylda Roszkowska
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
| | - Monika Zareba-Koziol
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
| | - Nirmal Das
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India.
| | - Subhadip Basu
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India.
| | - Michal Pikula
- Laboratory of Tissue Engineering and Regenerative Medicine, Department of Embryology, Medical University of Gdansk, 80-211 Gdansk, Poland.
| | - Jakub Wlodarczyk
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland.
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Tornese P, Sala N, Bonini D, Bonifacino T, La Via L, Milanese M, Treccani G, Seguini M, Ieraci A, Mingardi J, Nyengaard JR, Calza S, Bonanno G, Wegener G, Barbon A, Popoli M, Musazzi L. Chronic mild stress induces anhedonic behavior and changes in glutamate release, BDNF trafficking and dendrite morphology only in stress vulnerable rats. The rapid restorative action of ketamine. Neurobiol Stress 2019; 10:100160. [PMID: 31193464 PMCID: PMC6535630 DOI: 10.1016/j.ynstr.2019.100160] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 03/28/2019] [Accepted: 03/28/2019] [Indexed: 12/18/2022] Open
Abstract
Depression is a debilitating mental disease, characterized by persistent low mood and anhedonia. Stress represents a major environmental risk factor for depression; the complex interaction of stress with genetic factors results in different individual vulnerability or resilience to the disorder. Dysfunctions of the glutamate system have a primary role in depression. Clinical neuroimaging studies have consistently reported alterations in volume and connectivity of cortico-limbic areas, where glutamate neurons and synapses predominate. This is confirmed by preclinical studies in rodents, showing that repeated stress induces morphological and functional maladaptive changes in the same brain regions altered in humans. Confirming the key role of glutamatergic transmission in depression, compelling evidence has shown that the non-competitive NMDA receptor antagonist, ketamine, induces, at sub-anesthetic dose, rapid and sustained antidepressant response in both humans and rodents. We show here that the Chronic Mild Stress model of depression induces, only in stress-vulnerable rats, depressed-like anhedonic behavior, together with impairment of glutamate/GABA presynaptic release, BDNF mRNA trafficking in dendrites and dendritic morphology in hippocampus. Moreover, we show that a single administration of ketamine restores, in 24 h, normal behavior and most of the cellular/molecular maladaptive changes in vulnerable rats. Interestingly, ketamine treatment did not restore BDNF mRNA levels reduced by chronic stress but rescued dendritic trafficking of BDNF mRNA. The present results are consistent with a mechanism of ketamine involving rapid restoration of synaptic homeostasis, through re-equilibration of glutamate/GABA release and dendritic BDNF for synaptic translation and reversal of synaptic and circuitry impairment. Chronic mild stress (CMS) induces anhedonic behavior and maladaptive changes in the hippocampus (HPC) of vulnerable rats. CMS reduces basal and evoked release of glutamate in the HPC of vulnerable rats. SCMS reduces evoked release of GABA in the HPC of vulnerable rats. CMS reduces expression of BDNF mRNA and trafficking along dendrites in the HPC of vulnerable rats. CMS reduces length of apical dendrites in CA3 pyramidal neurons of vulnerable rats. Ketamine injection (10 mg/kg) restores in 24h anhedonic behavior and most maladaptive changes, except BDNF expression. The present results suggest that the antidepressant mechanism of ketamine involves restoration of synaptic homeostasis.
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Affiliation(s)
- Paolo Tornese
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and Center of Excellence for Neurodegenerative Diseases, Università degli Studi di Milano, 20133, Milan, Italy
| | - Nathalie Sala
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and Center of Excellence for Neurodegenerative Diseases, Università degli Studi di Milano, 20133, Milan, Italy
| | - Daniela Bonini
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123, Brescia, Italy
| | - Tiziana Bonifacino
- Department of Pharmacy, Unit of Pharmacology and Toxicology and Center of Excellence for Biomedical Research, University of Genoa, 16148, Genova, Italy
| | - Luca La Via
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123, Brescia, Italy
| | - Marco Milanese
- Department of Pharmacy, Unit of Pharmacology and Toxicology and Center of Excellence for Biomedical Research, University of Genoa, 16148, Genova, Italy
| | - Giulia Treccani
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, 8240, Risskov, Denmark
| | - Mara Seguini
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and Center of Excellence for Neurodegenerative Diseases, Università degli Studi di Milano, 20133, Milan, Italy
| | - Alessandro Ieraci
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and Center of Excellence for Neurodegenerative Diseases, Università degli Studi di Milano, 20133, Milan, Italy
| | - Jessica Mingardi
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123, Brescia, Italy
| | - Jens R Nyengaard
- Core Centre for Molecular Morphology, Section for Stereology and Microscopy, Department of Clinical Medicine, Centre for Stochastic Geometry and Advanced Bioimaging, Aarhus University, 8000, Aarhus, Denmark
| | - Stefano Calza
- Unit of Biostatistics and Biomathematics, Department of Molecular and Translational Medicine, University of Brescia, 25123, Brescia, Italy
| | - Giambattista Bonanno
- Department of Pharmacy, Unit of Pharmacology and Toxicology and Center of Excellence for Biomedical Research, University of Genoa, 16148, Genova, Italy
| | - Gregers Wegener
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, 8240, Risskov, Denmark.,Pharmaceutical Research Centre of Excellence, School of Pharmacy, North-West University, 2520, Potchefstroom, South Africa
| | - Alessandro Barbon
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123, Brescia, Italy
| | - Maurizio Popoli
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and Center of Excellence for Neurodegenerative Diseases, Università degli Studi di Milano, 20133, Milan, Italy
| | - Laura Musazzi
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and Center of Excellence for Neurodegenerative Diseases, Università degli Studi di Milano, 20133, Milan, Italy
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Pavlov D, Bettendorff L, Gorlova A, Olkhovik A, Kalueff AV, Ponomarev ED, Inozemtsev A, Chekhonin V, Lesсh KP, Anthony DC, Strekalova T. Neuroinflammation and aberrant hippocampal plasticity in a mouse model of emotional stress evoked by exposure to ultrasound of alternating frequencies. Prog Neuropsychopharmacol Biol Psychiatry 2019; 90:104-116. [PMID: 30472146 DOI: 10.1016/j.pnpbp.2018.11.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 11/08/2018] [Accepted: 11/21/2018] [Indexed: 02/06/2023]
Abstract
Emotional stress is a form of stress evoked by processing negative mental experience rather than an organic or physical disturbance and is a frequent cause of neuropsychiatric pathologies, including depression. Susceptibility to emotional stress is commonly regarded as a human-specific trait that is challenging to model in other species. Recently, we showed that a 3-week-long exposure to ultrasound of unpredictable alternating frequencies within the ranges of 20-25 kHz and 25-45 kHz can induce depression-like characteristics in laboratory mice and rats. In an anti-depressant sensitive manner, exposure decreases sucrose preference, elevates behavioural despair, increases aggression, and alters serotonin-related gene expression. To further investigate this paradigm, we studied depression/distress-associated markers of neuroinflammation, neuroplasticity, oxidative stress and the activity of glycogen synthase kinase-3 (GSK-3) isoforms in the hippocampus of male mice. Stressed mice exhibited a decreased density of Ki67-positive and DCX-positive cells in the subgranular zone of hippocampus, and altered expression of brain-derived neurotrophic factor (BDNF), its receptor TrkB, and anti-apoptotic protein kinase B phosphorylated at serine 473 (AktpSer473). The mice also exhibited increased densities of Iba-1-positive cells, increased oxidative stress, increased levels of interleukin-1β (IL-1β), interleukin-6 (IL-6) in the hippocampus and plasma, and elevated activity of GSK-3 isoforms. Together, the results of our investigation have revealed that unpredictable alternating ultrasound evokes behavioural and molecular changes that are characteristic of the depressive syndrome and validates this new and simple method of modeling emotional stress in rodents.
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Affiliation(s)
- Dmitrii Pavlov
- Department of Neuroscience, Maastricht University, Universiteitssingel 40, NL 6229ER, Maastricht, Netherlands; Department of Biology, Lomonosov Moscow State University, Leninskie Gory1-12, Moscow 119991, Russia; Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Av. Hippocrate 15, Liège 4000, Belgium; Institute of General Pathology and Pathophysiology, Baltiiskaya str, 8, Moscow 125315, Russia
| | - Lucien Bettendorff
- Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Av. Hippocrate 15, Liège 4000, Belgium
| | - Anna Gorlova
- Department of Biology, Lomonosov Moscow State University, Leninskie Gory1-12, Moscow 119991, Russia; Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Av. Hippocrate 15, Liège 4000, Belgium; Sechenov First Moscow State Medical University, Institute of Molecular Medicine, Laboratory of Psychiatric Neurobiology and Department of Normal Physiology, Trubetskaya street 8-2, 119991, Moscow, Russia
| | - Andrey Olkhovik
- Department of Biology, Lomonosov Moscow State University, Leninskie Gory1-12, Moscow 119991, Russia
| | - Allan V Kalueff
- Institute of Translational Biomedicine, St.Petersburg State University, Universitetskaya nab. 7-9, St.-Petersburg 199034, Russia
| | - Eugene D Ponomarev
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Anatoly Inozemtsev
- Department of Biology, Lomonosov Moscow State University, Leninskie Gory1-12, Moscow 119991, Russia
| | - Vladimir Chekhonin
- Department of Basic and Applied Neurobiology, Serbsky Federal Medical Research Center for Psychiatry and Narcology, Kropotkinsky per 23, Moscow 119034, Russia
| | - Klaus-Peter Lesсh
- Department of Neuroscience, Maastricht University, Universiteitssingel 40, NL 6229ER, Maastricht, Netherlands; Sechenov First Moscow State Medical University, Institute of Molecular Medicine, Laboratory of Psychiatric Neurobiology and Department of Normal Physiology, Trubetskaya street 8-2, 119991, Moscow, Russia; Division of Molecular Psychiatry, Center of Mental Health University of Wuerzburg, Josef-Schneider-Straße 2, Wuerzburg 97080, Germany
| | - Daniel C Anthony
- Department of Pharmacology, Oxford University, Mansfield Road, Oxford OX1 3QT, UK.
| | - Tatyana Strekalova
- Department of Neuroscience, Maastricht University, Universiteitssingel 40, NL 6229ER, Maastricht, Netherlands; Institute of General Pathology and Pathophysiology, Baltiiskaya str, 8, Moscow 125315, Russia; Sechenov First Moscow State Medical University, Institute of Molecular Medicine, Laboratory of Psychiatric Neurobiology and Department of Normal Physiology, Trubetskaya street 8-2, 119991, Moscow, Russia.
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The Disease-Associated Chaperone FKBP51 Impairs Cognitive Function by Accelerating AMPA Receptor Recycling. eNeuro 2019; 6:eN-NWR-0242-18. [PMID: 30963102 PMCID: PMC6450497 DOI: 10.1523/eneuro.0242-18.2019] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 01/18/2019] [Accepted: 02/01/2019] [Indexed: 12/22/2022] Open
Abstract
Increased expression of the FK506-binding protein 5 (FKBP5) gene has been associated with a number of diseases, but most prominently in connection to psychiatric illnesses. Many of these psychiatric disorders present with dementia and other cognitive deficits, but a direct connection between these issues and alterations in FKBP5 remains unclear. We generated a novel transgenic mouse to selectively overexpress FKBP5, which encodes the FKBP51 protein, in the corticolimbic system, which had no overt effects on gross body weight, motor ability, or general anxiety. Instead, we found that overexpression of FKBP51 impaired long-term depression (LTD) as well as spatial reversal learning and memory, suggesting a role in glutamate receptor regulation. Indeed, FKBP51 altered the association of heat-shock protein 90 (Hsp90) with AMPA receptors, which was accompanied by an accelerated rate of AMPA recycling. In this way, the chaperone system is critical in triage decisions for AMPA receptor trafficking. Imbalance in the chaperone system may manifest in impairments in both inhibitory learning and cognitive function. These findings uncover an unexpected and essential mechanism for learning and memory that is controlled by the psychiatric risk factor FKBP5.
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Sahraei H, Askaripour M, Esmaeilpour K, Shahsavari F, Rajabi S, Moradi-Kor N. GABA B receptor activation ameliorates spatial memory impairments in stress-exposed rats. Neuropsychiatr Dis Treat 2019; 15:1497-1506. [PMID: 31213819 PMCID: PMC6549409 DOI: 10.2147/ndt.s205951] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 05/14/2019] [Indexed: 01/31/2023] Open
Abstract
Objective: Due to the prevalence of stress in modern life and its impact on spatial memory, the role of inhibitory systems in brain areas such as the nucleus accumbens (NAc) in reducing stress is important. The current study aimed to examine the response of NAc shell GABAB receptors to stress and the role of intraperitoneally (i.p.) and intra-NAc injection of the GABAB receptor agonist baclofen on spatial memory impairments in stress-exposed rats. Methods: Eighty adult male Wistar rats were randomly divided into ten groups (n=8): two were control groups for intra-NAc and i.p baclofen; two groups were subjected to stress and injected with saline (baclofen vehicle); three groups were given baclofen (1, 5, and 10 µg/rat) intra-NAc 5 mins before stress was induced; and three groups received baclofen (1, 5, and 10 mg/kg/i.p.) 30 mins before being subjected to stress. Foot-shock stress was applied for 7 consecutive days. Behavioral assays using the Barnes maze were performed 24 hrs after the last baclofen injection. Results: Both the intra-NAc and the i.p administration of baclofen dose-dependently reduced escape latency and total distance and increased velocity in the treatment groups in the training trials. In the probe test, the rats that had received 5 mg/kg of baclofen had the highest target frequency, but there no significant differences were observed in velocity, duration, or distance to the target between the groups. Conclusion: According to the findings, baclofen can dose-dependently improve spatial memory, and GABAB receptor in the NAc plays an important role in spatial memory.
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Affiliation(s)
- Hedayat Sahraei
- Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Majid Askaripour
- Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Khadijeh Esmaeilpour
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Fatemeh Shahsavari
- Department of Biology, Faculty of Science, Shahid Bahonar University, Kerman, Iran
| | - Soodeh Rajabi
- Physiology Research Center and Department of Physiology, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
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Beauvalet JC, Pilz LK, Hidalgo MPL, Elisabetsky E. Is chronodisruption a vulnerability factor to stress? Behav Brain Res 2018; 359:333-341. [PMID: 30445124 DOI: 10.1016/j.bbr.2018.11.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 11/08/2018] [Accepted: 11/12/2018] [Indexed: 01/21/2023]
Abstract
Since the circadian system seems to modulate stress responses, this study aimed to evaluate if the combination of circadian strain and stress amplifies changes expected from each factor alone. Control Balb/c mice (12:12-NS) kept in standard 12:12 light:dark cycles (LD) and submitted to no stress procedures (NS) were compared to groups submitted to shortened LD (10:10-NS), chronic mild stress (CMS) but no circadian strain (12:12-CMS), or shortened LD followed by CMS (10:10-CMS). Rest-activity/temperature rhythms and body weight were assessed throughout the experiments. In Experiment 1 mice were submitted to 3 weeks of CMS; in Experiment 2 sucrose preference and light-dark tests were performed. Also, blood samples were collected at the end of Experiment 2 to assess metabolic parameters. Relative amplitude of temperature after CMS was increased only in the 10:10-CMS group, while body weight change was reduced during CMS regardless of LD intervention. During the CMS, the relative amplitude of temperature was negatively correlated with body weight gain. No differences in behavior and metabolic parameters were seen among groups. Identifying suitable research designs to investigate our hypothesis that circadian disturbances may increase vulnerability to stress-induced depression and anxiety is warranted.
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Affiliation(s)
- Juliana C Beauvalet
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre (HCPA)/Universidade Federal do Rio Grande do Sul (UFRGS). Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Psiquiatria e Ciencias do Comportamento, UFRGS. Porto Alegre, RS, Brazil
| | - Luísa K Pilz
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre (HCPA)/Universidade Federal do Rio Grande do Sul (UFRGS). Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Psiquiatria e Ciencias do Comportamento, UFRGS. Porto Alegre, RS, Brazil.
| | - Maria Paz L Hidalgo
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre (HCPA)/Universidade Federal do Rio Grande do Sul (UFRGS). Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Psiquiatria e Ciencias do Comportamento, UFRGS. Porto Alegre, RS, Brazil; Departamento de Psiquiatria e Medicina Legal, UFRGS. Porto Alegre, RS, Brazil
| | - Elaine Elisabetsky
- Laboratório de Cronobiologia e Sono, Hospital de Clínicas de Porto Alegre (HCPA)/Universidade Federal do Rio Grande do Sul (UFRGS). Porto Alegre, RS, Brazil; Departamento de Bioquímica, Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS. Porto Alegre, RS, Brazil
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Genty J, Tetsi Nomigni M, Anton F, Hanesch U. The combination of postnatal maternal separation and social stress in young adulthood does not lead to enhanced inflammatory pain sensitivity and depression-related behavior in rats. PLoS One 2018; 13:e0202599. [PMID: 30142161 PMCID: PMC6108470 DOI: 10.1371/journal.pone.0202599] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/19/2018] [Indexed: 11/19/2022] Open
Abstract
The cumulative and match/mismatch hypotheses of stress are still under discussion regarding the effects of early life stress (ELS) on the vulnerability or resilience to psychopathology. In this context, an additional stress in later life (second hit) often leads to stress-related disorders that frequently include comorbid pain states. We previously observed that maternal separation (MS), a model of ELS, reduces vulnerability to neuropathic and inflammatory pain in rats. In the present study, we investigated the effects of an additional later stressor on the vulnerability to inflammatory pain. Sprague Dawley pups were divided into 4 groups: controls (CON, no stress), MS, social stress (SS) and MS+SS. At young adult age (from 7 to 15 weeks), stress- as well as pain-related parameters were evaluated prior and during 21 days following the induction of paw inflammation with complete Freund's adjuvant (CFA). Finally spinal glutamatergic transmission, immunocompetent cells, pro-inflammatory cytokines and growth factors were examined using qPCR. None of the stress conditions had a significant impact on corticosterone levels and anhedonia. In the forced swim test, MS and SS displayed increased passive coping whereas the combination of both stressors revoked this effect. The different stress conditions had no influence on basal mechanical thresholds and heat sensitivity. At 4 days post-inflammation all stress groups displayed lower mechanical thresholds than CON but the respective values were comparable at 7, 10, and 14 days. Only on day 21, MS rats were more sensitive to mechanical stimulation compared to the other groups. Regarding noxious heat sensitivity, MS+SS animals were significantly less sensitive than CON at 10 and 21 days after CFA-injection. qPCR results were mitigated. Despite the finding that stress conditions differentially affected different players of glutamatergic transmission, astrocyte activity and NGF expression, our biochemical results could not readily be related to the behavioral observations, precluding a congruent conclusion. The present results do neither confirm the cumulative nor corroborate or disprove the match/mismatch hypothesis.
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Affiliation(s)
- Julien Genty
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
- * E-mail:
| | - Milène Tetsi Nomigni
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
| | - Fernand Anton
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
| | - Ulrike Hanesch
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
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