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Zielinski JM, Reisert M, Sajonz BEA, Teo SJ, Thierauf-Emberger A, Wessolleck J, Frosch M, Spittau B, Leupold J, Döbrössy MD, Coenen VA. In Search for a Pathogenesis of Major Depression and Suicide-A Joint Investigation of Dopamine and Fiber Tract Anatomy Focusing on the Human Ventral Mesencephalic Tegmentum: Description of a Workflow. Brain Sci 2024; 14:723. [PMID: 39061463 PMCID: PMC11275155 DOI: 10.3390/brainsci14070723] [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: 06/18/2024] [Revised: 07/16/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Major depressive disorder (MDD) is prevalent with a high subjective and socio-economic burden. Despite the effectiveness of classical treatment methods, 20-30% of patients stay treatment-resistant. Deep Brain Stimulation of the superolateral branch of the medial forebrain bundle is emerging as a clinical treatment. The stimulation region (ventral tegmental area, VTA), supported by experimental data, points to the role of dopaminergic (DA) transmission in disease pathology. This work sets out to develop a workflow that will allow the performance of analyses on midbrain DA-ergic neurons and projections in subjects who have committed suicide. Human midbrains were retrieved during autopsy, formalin-fixed, and scanned in a Bruker MRI scanner (7T). Sections were sliced, stained for tyrosine hydroxylase (TH), digitized, and integrated into the Montreal Neurological Institute (MNI) brain space together with a high-resolution fiber tract atlas. Subnuclei of the VTA region were identified. TH-positive neurons and fibers were semi-quantitatively evaluated. The study established a rigorous protocol allowing for parallel histological assessments and fiber tractographic analysis in a common space. Semi-quantitative readings are feasible and allow the detection of cell loss in VTA subnuclei. This work describes the intricate workflow and first results of an investigation of DA anatomy in VTA subnuclei in a growing naturalistic database.
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Affiliation(s)
- Jana M. Zielinski
- Department of Stereotactic and Functional Neurosurgery, Medical Center of Freiburg University, Breisacher Straße 64, 79106 Freiburg i.Br., Germany
| | - Marco Reisert
- Department of Stereotactic and Functional Neurosurgery, Medical Center of Freiburg University, Breisacher Straße 64, 79106 Freiburg i.Br., Germany
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Department of Diagnostic and Interventional Radiology, Medical Physics, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Bastian E. A. Sajonz
- Department of Stereotactic and Functional Neurosurgery, Medical Center of Freiburg University, Breisacher Straße 64, 79106 Freiburg i.Br., Germany
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
| | - Shi Jia Teo
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Department of Diagnostic and Interventional Radiology, Medical Physics, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Annette Thierauf-Emberger
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Institute of Forensic Medicine, Medical Center of Freiburg University, 79104 Freiburg, Germany
| | - Johanna Wessolleck
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Laboratory of Stereotaxy and Interventional Neurosciences, Department of Stereotactic and Functional, Neurosurgery, Medical Center of Freiburg University, 79106 Freiburg, Germany
| | - Maximilian Frosch
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Institute of Neuropathology, Medical Center of Freiburg University, 79106 Freiburg, Germany
| | - Björn Spittau
- Medical School OWL, Anatomy and Cell Biology, Bielefeld University, 33501 Bielefeld, Germany
- Institute for Anatomy and Cell Biology, Department of Molecular Embryologie, Faculty of Medicine, Freiburg University, 79104 Freiburg, Germany
| | - Jochen Leupold
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Department of Diagnostic and Interventional Radiology, Medical Physics, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Máté D. Döbrössy
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Laboratory of Stereotaxy and Interventional Neurosciences, Department of Stereotactic and Functional, Neurosurgery, Medical Center of Freiburg University, 79106 Freiburg, Germany
- Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
| | - Volker A. Coenen
- Department of Stereotactic and Functional Neurosurgery, Medical Center of Freiburg University, Breisacher Straße 64, 79106 Freiburg i.Br., Germany
- Medical Faculty of University of Freiburg, 79106 Freiburg, Germany
- Laboratory of Stereotaxy and Interventional Neurosciences, Department of Stereotactic and Functional, Neurosurgery, Medical Center of Freiburg University, 79106 Freiburg, Germany
- Center for Deep Brain Stimulation, Medical Center of Freiburg University, 79106 Freiburg, Germany
- Center for Basics in Neuromodulation, Medical Faculty of Freiburg University, 79106 Freiburg, Germany
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Wang F, Xin M, Li X, Li L, Wang C, Dai L, Zheng C, Cao K, Yang X, Ge Q, Li B, Wang T, Zhan S, Li D, Zhang X, Paerhati H, Zhou Y, Liu J, Sun B. Effects of deep brain stimulation on dopamine D2 receptor binding in patients with treatment-refractory depression. J Affect Disord 2024; 356:672-680. [PMID: 38657771 DOI: 10.1016/j.jad.2024.04.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 03/26/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Depression is a chronic psychiatric disorder related to diminished dopaminergic neurotransmission. Deep brain stimulation (DBS) has shown effectiveness in treating patients with treatment-refractory depression (TRD). This study aimed to evaluate the effect of DBS on dopamine D2 receptor binding in patients with TRD. METHODS Six patients with TRD were treated with bed nucleus of the stria terminalis (BNST)-nucleus accumbens (NAc) DBS were recruited. Ultra-high sensitivity [11C]raclopride dynamic total-body positron emission tomography (PET) imaging was used to assess the brain D2 receptor binding. Each patient underwent a [11C]raclopride PET scan for 60-min under DBS OFF and DBS ON, respectively. A simplified reference tissue model was used to generate parametric images of binding potential (BPND) with the cerebellum as reference tissue. RESULTS Depression and anxiety symptoms improved after 3-6 months of DBS treatment. Compared with two-day-nonstimulated conditions, one-day BNST-NAc DBS decreased [11C]raclopride BPND in the amygdala (15.9 %, p < 0.01), caudate nucleus (15.4 %, p < 0.0001) and substantia nigra (10.8 %, p < 0.01). LIMITATIONS This study was limited to the small sample size and lack of a healthy control group. CONCLUSIONS Chronic BNST-NAc DBS improved depression and anxiety symptoms, and short-term stimulation decreased D2 receptor binding in the amygdala, caudate nucleus, and substantia nigra. The findings suggest that DBS relieves depression and anxiety symptoms possibly by regulating the dopaminergic system.
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Affiliation(s)
- Fang Wang
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai 200124, China
| | - Mei Xin
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Xuefei Li
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China
| | - Lianghua Li
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Cheng Wang
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
| | - Lulin Dai
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Chaojie Zheng
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China
| | - Kaiyi Cao
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China
| | - Xuefei Yang
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China
| | - Qi Ge
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China
| | - Bolun Li
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China
| | - Tao Wang
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shikun Zhan
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Dianyou Li
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xiaoxiao Zhang
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Halimureti Paerhati
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yun Zhou
- Central Research Institute, United Imaging Healthcare Group Co., Ltd, Shanghai 201815, China.
| | - Jianjun Liu
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China.
| | - Bomin Sun
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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Chen X, Liu X, Luan S, Wang X, Zhang Y, Hao Y, Zhang Q, Zhang J, Zhao H. Optogenetic activation of the lateral habenula D1R-ventral tegmental area circuit induces depression-like behavior in mice. Eur Arch Psychiatry Clin Neurosci 2024; 274:867-878. [PMID: 38236282 DOI: 10.1007/s00406-023-01743-2] [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: 02/19/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024]
Abstract
A number of different receptors are distributed in glutamatergic neurons of the lateral habenula (LHb). These glutamatergic neurons are involved in different neural pathways, which may identify how the LHb regulates various physiological functions. However, the role of dopamine D1 receptor (D1R)-expressing habenular neurons projecting to the ventral tegmental area (VTA) (LHbD1R-VTA) remains not well understood. In the current study, to determine the activity of D1R-expressing neurons in LHb, D1R-Cre mice were used to establish the chronic restraint stress (CRS) depression model. Adeno-associated virus was injected into bilateral LHb in D1R-Cre mice to examine whether optogenetic activation of the LHb D1R-expressing neurons and their projections could induce depression-like behavior. Optical fibers were implanted in the LHb and VTA, respectively. To investigate whether optogenetic inhibition of the LHbD1R-VTA circuit could produce antidepressant-like effects, the adeno-associated virus was injected into the bilateral LHb in the D1R-Cre CRS model, and optical fibers were implanted in the bilateral VTA. The D1R-expressing neuronal activity in the LHb was increased in the CRS depression model. Optogenetic activation of the D1R-expressing neurons in LHb induced behavioral despair and anhedonia, which could also be induced by activation of the LHbD1R-VTA axons. Conversely, optogenetic inhibition of the LHbD1R-VTA circuit improved behavioral despair and anhedonia in the CRS depression model. D1R-expressing glutamatergic neurons in the LHb and their projections to the VTA are involved in the occurrence and regulation of depressive-like behavior.
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Affiliation(s)
- Xiaowei Chen
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Xinmin Street No. 126, Changchun, 130021, People's Republic of China
- Department of Rehabilitation Medicine, First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Xiaofeng Liu
- Neuroscience Research Center, First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Shuxin Luan
- Department of Mental Health, First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Xuxin Wang
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Xinmin Street No. 126, Changchun, 130021, People's Republic of China
| | - Ying Zhang
- Department of Neurology, First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Yulei Hao
- Neuroscience Research Center, First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Qiang Zhang
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Xinmin Street No. 126, Changchun, 130021, People's Republic of China
| | - Jiaming Zhang
- Department of Rehabilitation Medicine, First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Hua Zhao
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Xinmin Street No. 126, Changchun, 130021, People's Republic of China.
- Neuroscience Research Center, First Hospital of Jilin University, Changchun, 130021, People's Republic of China.
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Chen C, Wang M, Yu T, Feng W, Xu Y, Ning Y, Zhang B. Habenular functional connections are associated with depression state and modulated by ketamine. J Affect Disord 2024; 345:177-185. [PMID: 37879411 DOI: 10.1016/j.jad.2023.10.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 10/03/2023] [Accepted: 10/21/2023] [Indexed: 10/27/2023]
Abstract
BACKGROUND Depression is a widespread mental health disorder with complex neurobiological underpinnings. The habenula, known as the 'anti-reward center', is thought to play a pivotal role in the pathophysiology of depression. This study aims to elucidate the association between the functional connections of the habenula and depression severity and to explore the modulation of these connections by ketamine. METHODS We studied 177 participants from a 7-T resting-state functional magnetic resonance imaging subset of the Human Connectome Project dataset to determine the associations between the functional connections of the habenula and depression. Additionally, we analyzed 60 depressed patients from our ketamine database to conduct a preliminary study on alterations in the functional connections of the habenula after ketamine infusions. We also investigated whether the baseline functional connectivity of the habenula is linked to subsequent improvement in depression. RESULTS We found that functional connections between the habenula and the substantia nigra, as well as the ventral tegmental area were negatively correlated with depression scores and elevated after ketamine infusions. Furthermore, the connection between the right habenula and the right substantia nigra was negatively associated with the improvement of depression. LIMITATIONS The Human Connectome Project dataset primarily consists of data from healthy participants, with varying levels of depression scores. CONCLUSION These results suggest that the habenula may facilitate depression by suppressing dopamine reward centers, and ketamine may relieve depression by disinhibiting these dopaminergic regions. This study may enhance our understanding of the neural underpinnings of depression and ketamine's antidepressant effects.
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Affiliation(s)
- Chengfeng Chen
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mingqia Wang
- Institute of Mental Health, Peking University, Beijing, China; National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, China
| | - Tong Yu
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wanting Feng
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yingyi Xu
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuping Ning
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bin Zhang
- Institute of Mental Health, Tianjin Anding Hospital, Tianjin Medical University, Tianjin, China.
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Mizuno Y, Ashok AH, Bhat BB, Jauhar S, Howes OD. Dopamine in major depressive disorder: A systematic review and meta-analysis of in vivo imaging studies. J Psychopharmacol 2023; 37:1058-1069. [PMID: 37811803 PMCID: PMC10647912 DOI: 10.1177/02698811231200881] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
BACKGROUND Major depressive disorder (MDD) is a leading cause of global disability. Several lines of evidence implicate the dopamine system in its pathophysiology. However, the magnitude and consistency of the findings are unknown. We address this by systematically reviewing in vivo imaging evidence for dopamine measures in MDD and meta-analysing these where there are sufficient studies. METHODS Studies investigating the dopaminergic system using positron emission tomography or single photon emission computed tomography in MDD and a control group were included. Demographic, clinical and imaging measures were extracted from each study, and meta-analyses and sensitivity analyses were conducted. RESULTS We identified 43 studies including 662 patients and 801 controls. Meta-analysis of 38 studies showed no difference in mean or mean variability of striatal D2/3 receptor availability (g = 0.06, p = 0.620), or combined dopamine synthesis and release capacity (g = 0.19, p = 0.309). Dopamine transporter (DAT) availability was lower in the MDD group in studies using DAT selective tracers (g = -0.56, p = 0.006), but not when tracers with an affinity for serotonin transporters were included (g = -0.21, p = 0.420). Subgroup analysis showed greater dopamine release (g = 0.49, p = 0.030), but no difference in dopamine synthesis capacity (g = -0.21, p = 0.434) in the MDD group. Striatal D1 receptor availability was lower in patients with MDD in two studies. CONCLUSIONS The meta-analysis indicates striatal DAT availability is lower, but D2/3 receptor availability is not altered in people with MDD compared to healthy controls. There may be greater dopamine release and lower striatal D1 receptors in MDD, although further studies are warranted. We discuss factors associated with these findings, discrepancies with preclinical literature and implications for future research.
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Affiliation(s)
- Yuya Mizuno
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
- South London and Maudsley NHS Foundation Trust, London, UK
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Abhishekh Hulegar Ashok
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences, Imperial College London, London, UK
- Department of Radiology, University of Cambridge, Cambridge, UK
- Department of Radiology, Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | | | - Sameer Jauhar
- South London and Maudsley NHS Foundation Trust, London, UK
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
| | - Oliver D Howes
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
- South London and Maudsley NHS Foundation Trust, London, UK
- Psychiatric Imaging Group, MRC London Institute of Medical Sciences, Imperial College London, London, UK
- Psychiatric Imaging Group, Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
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Khairuddin S, Lim WL, Aquili L, Tsui KC, Tse ACK, Jayalath S, Varma R, Sharp T, Benazzouz A, Steinbusch H, Blokland A, Temel Y, Lim LW. Prelimbic Cortical Stimulation Induces Antidepressant-like Responses through Dopaminergic-Dependent and -Independent Mechanisms. Cells 2023; 12:1449. [PMID: 37296570 PMCID: PMC10253143 DOI: 10.3390/cells12111449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 06/12/2023] Open
Abstract
High-frequency stimulation (HFS) is a promising therapy for patients with depression. However, the mechanisms underlying the HFS-induced antidepressant-like effects on susceptibility and resilience to depressive-like behaviors remain obscure. Given that dopaminergic neurotransmission has been found to be disrupted in depression, we investigated the dopamine(DA)-dependent mechanism of the antidepressant-like effects of HFS of the prelimbic cortex (HFS PrL). We performed HFS PrL in a rat model of mild chronic unpredictable stress (CUS) together with 6-hydroxydopamine lesioning in the dorsal raphe nucleus (DRN) and ventral tegmental area (VTA). Animals were assessed for anxiety, anhedonia, and behavioral despair. We also examined levels of corticosterone, hippocampal neurotransmitters, neuroplasticity-related proteins, and morphological changes in dopaminergic neurons. We found 54.3% of CUS animals exhibited decreased sucrose consumption and were designated as CUS-susceptible, while the others were designated CUS-resilient. HFS PrL in both the CUS-susceptible and CUS-resilient animals significantly increased hedonia, reduced anxiety, decreased forced swim immobility, enhanced hippocampal DA and serotonin levels, and reduced corticosterone levels when compared with the respective sham groups. The hedonic-like effects were abolished in both DRN- and VTA-lesioned groups, suggesting the effects of HFS PrL are DA-dependent. Interestingly, VTA-lesioned sham animals had increased anxiety and forced swim immobility, which was reversed by HFS PrL. The VTA-lesioned HFS PrL animals also had elevated DA levels, and reduced p-p38 MAPK and NF-κB levels when compared to VTA-lesioned sham animals. These findings suggest that HFS PrL in stressed animals leads to profound antidepressant-like responses possibly through both DA-dependent and -independent mechanisms.
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Affiliation(s)
- Sharafuddin Khairuddin
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Wei Ling Lim
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Department of Biological Sciences, Sunway University, Bandar Sunway, Petaling Jaya 47500, Malaysia
| | - Luca Aquili
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Discipline of Psychology, College of Health and Education, Murdoch University, Perth 6150, Australia
| | - Ka Chun Tsui
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Anna Chung-Kwan Tse
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Shehani Jayalath
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Ruhani Varma
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Trevor Sharp
- Department of Pharmacology, University of Oxford, Oxford OX1 3QT, UK
| | - Abdelhamid Benazzouz
- CNRS UMR5293, Institute of Neurodegenerative Diseases, University de Bordeaux, 33000 Bordeaux, France
| | - Harry Steinbusch
- Department of Neuroscience, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Arjan Blokland
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Yasin Temel
- Department of Neuroscience, Maastricht University, 6229 ER Maastricht, The Netherlands
- Department of Neurosurgery, Maastricht University, 6229 HX Maastricht, The Netherlands
| | - Lee Wei Lim
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Department of Biological Sciences, Sunway University, Bandar Sunway, Petaling Jaya 47500, Malaysia
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Tang GY, Wang RJ, Guo Y, Liu J. 5-HT 1B receptor-AC-PKA signal pathway in the lateral habenula is involved in the regulation of depressive-like behaviors in 6-hydroxydopamine-induced Parkinson's rats. Neurol Res 2023; 45:127-137. [PMID: 36127643 DOI: 10.1080/01616412.2022.2124797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
OBJECTIVE The aim of the present study was to investigate whether serotonin1B (5-HT1B) receptor-adenylate cyclase (AC)-protein kinase A (PKA) signal pathway in the lateral habenula (LHb) is involved in Parkinson's disease-related depression in sham-lesioned and substantia nigra pars compacta (SNc)-lesioned rats. METHODS The sucrose preference and forced swim tests were used to measure depressive-like behaviors. In vivo electrophysiology and microdialysis were performed to observe the firing activity of LHb neurons and GABA and glutamate release in the LHb, respectively. Western blotting was used to analyze protein expression of 5-HT1B receptors, AC and phosphorylated PKA at threonine 197 site (p-PKA-Thr197) in the LHb. RESULTS Unilateral 6-hydroxydopamine lesions of the SNc in rats induced depressive-like behaviors. Intra-LHb injection of 5-HT1B receptor agonist CP93129 produced antidepressant-like effects and the antagonist SB216641 induced depressive-like behaviors in sham-lesioned and SNc-lesioned rats. Further, pretreatment with AC inhibitor SQ22536 and PKA inhibitor KT5720 blocked the behavioral effects of CP93129 in the two groups of rats, respectively. CP93129 decreased the firing rate of LHb neurons and release of GABA and glutamate, but increased the GABA/glutamate ratio, while SB216641 induced the opposite effects. Compared with sham-lesioned rats, effects of CP93129 and SB216641 on the depressive-like behaviors, electrophysiology, and microdialysis were decreased in SNc-lesioned rats, which were associated with decreased expression of 5-HT1B receptors, AC and p-PKA-Thr197 in the LHb. CONCLUSION 5-HT1B receptor-AC-PKA signal pathway in the LHb is involved in the regulation of depressive-like behaviors, and depletion of DA reduces activity of 5-HT1B receptor-AC-PKA signal pathway.
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Affiliation(s)
- Guo Yi Tang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Run Jia Wang
- Department of Clinical Medicine, Xi'an Medical University, Xi'an, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
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Canonica T, Zalachoras I. Motivational disturbances in rodent models of neuropsychiatric disorders. Front Behav Neurosci 2022; 16:940672. [PMID: 36051635 PMCID: PMC9426724 DOI: 10.3389/fnbeh.2022.940672] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Motivated behavior is integral to the survival of individuals, continuously directing actions toward rewards or away from punishments. The orchestration of motivated behavior depends on interactions among different brain circuits, primarily within the dopaminergic system, that subserve the analysis of factors such as the effort necessary for obtaining the reward and the desirability of the reward. Impairments in motivated behavior accompany a wide range of neuropsychiatric disorders, decreasing the patients’ quality of life. Despite its importance, motivation is often overlooked as a parameter in neuropsychiatric disorders. Here, we review motivational impairments in rodent models of schizophrenia, depression, and Parkinson’s disease, focusing on studies investigating effort-related behavior in operant conditioning tasks and on pharmacological interventions targeting the dopaminergic system. Similar motivational disturbances accompany these conditions, suggesting that treatments aimed at ameliorating motivation levels may be beneficial for various neuropsychiatric disorders.
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Mou YK, Guan LN, Yao XY, Wang JH, Song XY, Ji YQ, Ren C, Wei SZ. Application of Neurotoxin-Induced Animal Models in the Study of Parkinson's Disease-Related Depression: Profile and Proposal. Front Aging Neurosci 2022; 14:890512. [PMID: 35645772 PMCID: PMC9136050 DOI: 10.3389/fnagi.2022.890512] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/27/2022] [Indexed: 01/17/2023] Open
Abstract
Depression can be a non-motor symptom, a risk factor, and even a co-morbidity of Parkinson's disease (PD). In either case, depression seriously affects the quality of life of PD patients. Unfortunately, at present, a large number of clinical and basic studies focused on the pathophysiological mechanism of PD and the prevention and treatment of motor symptoms. Although there has been increasing attention to PD-related depression, it is difficult to achieve early detection and early intervention, because the clinical guidelines mostly refer to depression developed after or accompanied by motor impairments. Why is there such a dilemma? This is because there has been no suitable preclinical animal model for studying the relationship between depression and PD, and the assessment of depressive behavior in PD preclinical models is as well a very challenging task since it is not free from the confounding from the motor impairment. As a common method to simulate PD symptoms, neurotoxin-induced PD models have been widely used. Studies have found that neurotoxin-induced PD model animals could exhibit depression-like behaviors, which sometimes manifested earlier than motor impairments. Therefore, there have been attempts to establish the PD-related depression model by neurotoxin induction. However, due to a lack of unified protocol, the reported results were diverse. For the purpose of further promoting the improvement and optimization of the animal models and the study of PD-related depression, we reviewed the establishment and evaluation strategies of the current animal models of PD-related depression based on both the existing literature and our own research experience, and discussed the possible mechanism and interventions, in order to provide a reference for future research in this area.
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Affiliation(s)
- Ya-Kui Mou
- Department of Otolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Li-Na Guan
- Department of Neurosurgical Intensive Care Unit, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Xiao-Yan Yao
- Department of Neurology, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Jia-Hui Wang
- Department of Central Laboratory, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Xiao-Yu Song
- Department of Otolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Yong-Qiang Ji
- Department of Nephrology, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Chao Ren
- Department of Otolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
- Department of Neurology, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Shi-Zhuang Wei
- Department of Otolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
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10
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van Rensburg D, Lindeque Z, Harvey BH, Steyn SF. Reviewing the mitochondrial dysfunction paradigm in rodent models as platforms for neuropsychiatric disease research. Mitochondrion 2022; 64:82-102. [DOI: 10.1016/j.mito.2022.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/22/2022] [Accepted: 03/15/2022] [Indexed: 12/19/2022]
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Tracing the psychopathology of bipolar disorder to the functional architecture of intrinsic brain activity and its neurotransmitter modulation: a three-dimensional model. Mol Psychiatry 2022; 27:793-802. [PMID: 33414499 DOI: 10.1038/s41380-020-00982-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/22/2020] [Accepted: 12/01/2020] [Indexed: 12/17/2022]
Abstract
Bipolar disorder (BD) shows complex alterations in psychomotor, affective, and thought dimensions, as described by Kraepelin in his fundamental model of manic-depressive illness. In turn, the expression of behavioral/phenomenological dimensions is traceable to intrinsic brain activity. We reported a data overview on intrinsic brain functioning and its changes in BD. Accordingly, we proposed a three-dimensional model of the relationship between brain functioning and behavioral/phenomenological patterns, along with its application to BD. In this model, intrinsic brain activity is organized in distinct units in accordance to connectivity patterns and related setting of input/output processing, underlying the different behavioral/phenomenological dimensions. An external unit (mainly involving the sensorimotor network) is connected with the external environment and sets the exteroceptive input/somatomotor output processing, underlying the psychomotor dimension. An internal unit (mainly involving the salience network) is connected to the internal/body environment and sets the interoceptive input/visceromotor output processing, underlying the affective dimension. Finally, an associative unit (mainly involving the default-mode network) is not connected with the environment and sets the processing of associative inputs/outputs, underlying the thought dimension. In each unit, neurotransmitter signaling couples the subcortical-cortical loop, which modulates the network activity levels, in turn setting input/output processing and related expression levels of the behavioral/phenomenological dimension. Different combinations in neurotransmitter signaling favor network balancing into distinct functional brain states, which manifest in different combinations of excitation or inhibition in psychomotricity, affectivity, and thought, resulting in the manic, depressive, and mixed states of BD. Our working model might provide a coherent framework for tracing the complex BD psychopathology to core functional brain alterations.
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Jantsch J, Tassinari ID, Giovenardi M, Bambini-Junior V, Guedes RP, de Fraga LS. Mood Disorders Induced by Maternal Overnutrition: The Role of the Gut-Brain Axis on the Development of Depression and Anxiety. Front Cell Dev Biol 2022; 10:795384. [PMID: 35155424 PMCID: PMC8826230 DOI: 10.3389/fcell.2022.795384] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/10/2022] [Indexed: 11/13/2022] Open
Abstract
Since the first evidence suggesting that maternal nutrition can impact the development of diseases in the offspring, much has been elucidated about its effects on the offspring’s nervous system. Animal studies demonstrated that maternal obesity can predispose the offspring to greater chances of metabolic and neurodevelopmental diseases. However, the mechanisms underlying these responses are not well established. In recent years, the role of the gut-brain axis in the development of anxiety and depression in people with obesity has emerged. Studies investigating changes in the maternal microbiota during pregnancy and also in the offspring demonstrate that conditions such as maternal obesity can modulate the microbiota, leading to long-term outcomes in the offspring. Considering that maternal obesity has also been linked to the development of psychiatric conditions (anxiety and depression), the gut-brain axis is a promising target to be further explored in these neuropsychiatric contexts. In the present study, we review the relationship between maternal obesity and anxious and depressive features, exploring the gut-brain axis as a potential mechanism underlying this relationship.
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Affiliation(s)
- Jeferson Jantsch
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Isadora D’Ávila Tassinari
- Programa de Pós-Graduação em Ciências Biológicas: Fisiologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Márcia Giovenardi
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Victorio Bambini-Junior
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire (UCLan), Preston, United Kingdom
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, United Kingdom
| | - Renata Padilha Guedes
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Luciano Stürmer de Fraga
- Programa de Pós-Graduação em Ciências Biológicas: Fisiologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- *Correspondence: Luciano Stürmer de Fraga,
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13
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A unified model of the pathophysiology of bipolar disorder. Mol Psychiatry 2022; 27:202-211. [PMID: 33859358 DOI: 10.1038/s41380-021-01091-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/17/2021] [Accepted: 03/29/2021] [Indexed: 02/02/2023]
Abstract
This work provides an overview of the most consistent alterations in bipolar disorder (BD), attempting to unify them in an internally coherent working model of the pathophysiology of BD. Data on immune-inflammatory changes, structural brain abnormalities (in gray and white matter), and functional brain alterations (from neurotransmitter signaling to intrinsic brain activity) in BD were reviewed. Based on the reported data, (1) we hypothesized that the core pathological alteration in BD is a damage of the limbic network that results in alterations of neurotransmitter signaling. Although heterogeneous conditions can lead to such damage, we supposed that the main pathophysiological mechanism is traceable to an immune/inflammatory-mediated alteration of white matter involving the limbic network connections, which destabilizes the neurotransmitter signaling, such as dopamine and serotonin signaling. Then, (2) we suggested that changes in such neurotransmitter signaling (potentially triggered by heterogeneous stressors onto a structurally-damaged limbic network) lead to phasic (and often recurrent) reconfigurations of intrinsic brain activity, from abnormal subcortical-cortical coupling to changes in network activity. We suggested that the resulting dysbalance between networks, such as sensorimotor networks, salience network, and default-mode network, clinically manifest in combined alterations of psychomotricity, affectivity, and thought during the manic and depressive phases of BD. Finally, (3) we supposed that an additional contribution of gray matter alterations and related cognitive deterioration characterize a clinical-biological subgroup of BD. This model may provide a general framework for integrating the current data on BD and suggests novel specific hypotheses, prompting for a better understanding of the pathophysiology of BD.
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Mendes-Pinheiro B, Soares-Cunha C, Marote A, Loureiro-Campos E, Campos J, Barata-Antunes S, Monteiro-Fernandes D, Santos D, Duarte-Silva S, Pinto L, José Salgado A. Unilateral Intrastriatal 6-Hydroxydopamine Lesion in Mice: A Closer Look into Non-Motor Phenotype and Glial Response. Int J Mol Sci 2021; 22:ijms222111530. [PMID: 34768962 PMCID: PMC8584172 DOI: 10.3390/ijms222111530] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 12/20/2022] Open
Abstract
Parkinson’s disease (PD) is a prevalent movement disorder characterized by the progressive loss of dopaminergic neurons in substantia nigra pars compacta (SNpc). The 6-hydroxydopamine (6-OHDA) lesion is still one of the most widely used techniques for modeling Parkinson’s disease (PD) in rodents. Despite commonly used in rats, it can be challenging to reproduce a similar lesion in mice. Moreover, there is a lack of characterization of the extent of behavioral deficits and of the neuronal loss/neurotransmitter system in unilateral lesion mouse models. In this study, we present an extensive behavioral and histological characterization of a unilateral intrastriatal 6-OHDA mouse model. Our results indicate significant alterations in balance and fine motor coordination, voluntary locomotion, and in the asymmetry’s degree of forelimb use in 6-OHDA lesioned animals, accompanied by a decrease in self-care and motivational behavior, common features of depressive-like symptomatology. These results were accompanied by a decrease in tyrosine hydroxylase (TH)-labelling and dopamine levels within the nigrostriatal pathway. Additionally, we also identify a marked astrocytic reaction, as well as proliferative and reactive microglia in lesioned areas. These results confirm the use of unilateral intrastriatal 6-OHDA mice for the generation of a mild model of nigrostriatal degeneration and further evidences the recapitulation of key aspects of PD, thereby being suitable for future studies beholding new therapeutical interventions for this disease.
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Affiliation(s)
- Bárbara Mendes-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Carina Soares-Cunha
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Ana Marote
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Eduardo Loureiro-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Jonas Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Sandra Barata-Antunes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Daniela Monteiro-Fernandes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Diogo Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Sara Duarte-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Luísa Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - António José Salgado
- Life and Health Sciences Research Institute (ICVS), School of Medicine, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal; (B.M.-P.); (C.S.-C.); (A.M.); (E.L.-C.); (J.C.); (S.B.-A.); (D.M.-F.); (D.S.); (S.D.-S.); (L.P.)
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
- Correspondence: ; Tel.: +351-253-60-49-47
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Guo Y, Zhang L, Zhang J, Lv SX, Du CX, Wang T, Wang HS, Xie W, Liu J. Activation and Blockade of Serotonin-4 Receptors in the Lateral Habenula Produce Antidepressant Effects in the Hemiparkinsonian Rat. Neuropsychobiology 2021; 80:52-63. [PMID: 32663830 DOI: 10.1159/000508680] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 05/05/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND The 5-hydroxytryptamine (5-HT) neurotransmitter system and lateral habenula (LHb) are involved in the regulation of depression, while the mechanisms remain to be clarified. OBJECTIVES The effects and possible mecha-nism underlying activation or blockade of 5-HT4 receptors (5-HT4Rs) in the LHb in depression were investigated by behavioral and neurochemical methods based on a Parkinson's disease (PD) rat model. METHOD 6-Hydroxydopamine (6-OHDA) was injected unilaterally into the substantia nigra pars compacta to establish the PD rat model. The depressive-like behaviors were measured by the forced swimming test (FST) and sucrose preference test (SPT). The concentrations of dopamine (DA), noradrenaline (NA) and 5-HT in the related brain regions were measured by a neurochemical method. RESULTS The 6-OHDA lesions increased the immobility time in the FST and decreased the sucrose consumption in the SPT, suggesting the induction of depressive-like behaviors. Intra-LHb injection of BIMU-8 (5-HT4R agonist) or GR113808 (5-HT4R antagonist) produced antidepressant effects in the lesioned rats. Intra-LHb injection of BIMU-8 significantly increased the DA levels in the medial prefrontal cortex (mPFC) and ventral hippocampus (vHip), increased the 5-HT level in the mPFC and decreased the NA level in the vHip only in the lesioned rats, while intra-LHb injection of GR113808 changed DA, NA and 5-HT levels in the mPFC, LHb and vHip in both sham and the lesioned rats. CONCLUSIONS All these results suggest that activation or blockade of the LHb 5-HT4Rs produce antidepressant effects in the 6-OHDA-lesioned rats, which are related to the changes of monoamines in the limbic and limbic-related regions.
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Affiliation(s)
- Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Li Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Jin Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Shu-Xuan Lv
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Cheng-Xue Du
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Tao Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Hui-Sheng Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Wen Xie
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China,
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Carmichael K, Sullivan B, Lopez E, Sun L, Cai H. Diverse midbrain dopaminergic neuron subtypes and implications for complex clinical symptoms of Parkinson's disease. AGEING AND NEURODEGENERATIVE DISEASES 2021; 1. [PMID: 34532720 PMCID: PMC8442626 DOI: 10.20517/and.2021.07] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Parkinson’s disease (PD), the most common degenerative movement disorder, is clinically manifested with various motor and non-motor symptoms. Degeneration of midbrain substantia nigra pas compacta (SNc) dopaminergic neurons (DANs) is generally attributed to the motor syndrome. The underlying neuronal mechanisms of non-motor syndrome are largely unexplored. Besides SNc, midbrain ventral tegmental area (VTA) DANs also produce and release dopamine and modulate movement, reward, motivation, and memory. Degeneration of VTA DANs also occurs in postmortem brains of PD patients, implying an involvement of VTA DANs in PD-associated non-motor symptoms. However, it remains to be established that there is a distinct segregation of different SNc and VTA DAN subtypes in regulating different motor and non-motor functions, and that different DAN subpopulations are differentially affected by normal ageing or PD. Traditionally, the distinction among different DAN subtypes was mainly based on the location of cell bodies and axon terminals. With the recent advance of single cell RNA sequencing technology, DANs can be readily classified based on unique gene expression profiles. A combination of specific anatomic and molecular markers shows great promise to facilitate the identification of DAN subpopulations corresponding to different behavior modules under normal and disease conditions. In this review, we first summarize the recent progress in characterizing genetically, anatomically, and functionally diverse midbrain DAN subtypes. Then, we provide perspectives on how the preclinical research on the connectivity and functionality of DAN subpopulations improves our current understanding of cell-type and circuit specific mechanisms of the disease, which could be critically informative for designing new mechanistic treatments.
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Affiliation(s)
- Kathleen Carmichael
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA.,The Graduate Partnership Program of NIH and Brown University, National Institutes of Health, Bethesda, MD 20892, USA
| | - Breanna Sullivan
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Elena Lopez
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Lixin Sun
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Huaibin Cai
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
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Lyu S, Guo Y, Zhang L, Tang G, Li R, Yang J, Gao S, Li W, Liu J. Downregulation of astroglial glutamate transporter GLT-1 in the lateral habenula is associated with depressive-like behaviors in a rat model of Parkinson's disease. Neuropharmacology 2021; 196:108691. [PMID: 34197892 DOI: 10.1016/j.neuropharm.2021.108691] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/06/2021] [Accepted: 06/24/2021] [Indexed: 01/11/2023]
Abstract
Recent studies show that neuron-glial communication plays an important role in neurological diseases. Particularly, dysfunction of astroglial glutamate transporter GLT-1 has been involved in various neuropsychiatric disorders, including Parkinson's disease (PD) and depression. Our previous studies indicated hyperactivity of neurons in the lateral habenula (LHb) of hemiparkinsonian rats with depressive-like behaviors. Thus, we hypothesized that impaired expression or function of GLT-1 in the LHb might be a potential contributor to LHb hyperactivity, which consequently induces PD-related depression. In the study, unilateral lesions of the substantia nigra pars compacta (SNc) by 6-hydroxydopamine in rats induced depressive-like behaviors and resulted in neuronal hyperactivity as well as increased glutamate levels in the LHb compared to sham-lesioned rats. Intra-LHb injection of GLT-1 inhibitor WAY-213613 induced the depressive-like behaviors in both groups, but the dose producing behavioral effects in the lesioned rats was lower than that of sham-lesioned rats. In the two groups of rats, WAY-213613 increased the firing rate of LHb neurons and extracellular levels of glutamate, and these excitatory effects in the lesioned rats lasted longer than those in sham-lesioned rats. The functional changes of the GLT-1 which primarily expresses in astrocytes in the LHb may attribute to its downregulation after degeneration of the nigrostriatal pathway. Bioinformatics analysis showed that GLT-1 is correlated with various biomarkers of PD and depression risks. Collectively, our study suggests that astroglial GLT-1 in the LHb regulates the firing activity of the neurons, whereupon its downregulation and dysfunction are closely associated with PD-related depression.
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Affiliation(s)
- Shuxuan Lyu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Li Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Guoyi Tang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Ruotong Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Jie Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Shasha Gao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Wenjuan Li
- Department of Rehabilitation Medicine, The Second Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China.
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Fauser M, Ricken M, Markert F, Weis N, Schmitt O, Gimsa J, Winter C, Badstübner-Meeske K, Storch A. Subthalamic nucleus deep brain stimulation induces sustained neurorestoration in the mesolimbic dopaminergic system in a Parkinson's disease model. Neurobiol Dis 2021; 156:105404. [PMID: 34044146 DOI: 10.1016/j.nbd.2021.105404] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 05/03/2021] [Accepted: 05/21/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an established therapeutic principle in Parkinson's disease, but the underlying mechanisms, particularly mediating non-motor actions, remain largely enigmatic. OBJECTIVE/HYPOTHESIS The delayed onset of neuropsychiatric actions in conjunction with first experimental evidence that STN-DBS causes disease-modifying effects prompted our investigation on how cellular plasticity in midbrain dopaminergic systems is affected by STN-DBS. METHODS We applied unilateral or bilateral STN-DBS in two independent cohorts of 6-hydroxydopamine hemiparkinsonian rats four to eight weeks after dopaminergic lesioning to allow for the development of a stable dopaminergic dysfunction prior to DBS electrode implantation. RESULTS After 5 weeks of STN-DBS, stimulated animals had significantly more TH+ dopaminergic neurons and fibres in both the nigrostriatal and the mesolimbic systems compared to sham controls with large effect sizes of gHedges = 1.9-3.4. DBS of the entopeduncular nucleus as the homologue of the human Globus pallidus internus did not alter the dopaminergic systems. STN-DBS effects on mesolimbic dopaminergic neurons were largely confirmed in an independent animal cohort with unilateral STN stimulation for 6 weeks or for 3 weeks followed by a 3 weeks washout period. The latter subgroup even demonstrated persistent mesolimbic dopaminergic plasticity after washout. Pilot behavioural testing showed that augmentative dopaminergic effects on the mesolimbic system by STN-DBS might translate into improvement of sensorimotor neglect. CONCLUSIONS Our data support sustained neurorestorative effects of STN-DBS not only in the nigrostriatal but also in the mesolimbic system as a potential factor mediating long-latency neuropsychiatric effects of STN-DBS in Parkinson's disease.
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Affiliation(s)
- Mareike Fauser
- Department of Neurology, University of Rostock, Gehlsheimer Straße 20, 18147 Rostock, Germany
| | - Manuel Ricken
- Department of Neurology, University of Rostock, Gehlsheimer Straße 20, 18147 Rostock, Germany
| | - Franz Markert
- Department of Neurology, University of Rostock, Gehlsheimer Straße 20, 18147 Rostock, Germany
| | - Nikolai Weis
- Department of Neurology, University of Rostock, Gehlsheimer Straße 20, 18147 Rostock, Germany
| | - Oliver Schmitt
- Department of Anatomy, University of Rostock, Gertrudenstraße 9, 18057 Rostock, Germany
| | - Jan Gimsa
- Department of Biophysics, University of Rostock, Gertrudenstraße 11A, 18057 Rostock, Germany
| | - Christine Winter
- Department of Psychiatry and Psychotherapy, Charité University Medicine Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | | | - Alexander Storch
- Department of Neurology, University of Rostock, Gehlsheimer Straße 20, 18147 Rostock, Germany; German Centre for Neurodegenerative Diseases (DZNE) Rostock/Greifswald, Gehlsheimer Straße 20, 18147 Rostock, Germany.
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Chronic unpredictable stress negatively regulates hippocampal neurogenesis and promote anxious depression-like behavior via upregulating apoptosis and inflammatory signals in adult rats. Brain Res Bull 2021; 172:164-179. [PMID: 33895271 DOI: 10.1016/j.brainresbull.2021.04.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 04/12/2021] [Accepted: 04/19/2021] [Indexed: 12/28/2022]
Abstract
Psychological and physical stress play a pivotal role in etiology of anxiety and depression. Chronic psychological and physical stress modify various physiological phenomena, as a consequence of which oxidative stress, decreased neurotransmitter level, elevated corticosterone level and altered NSC homeostasis is observed. However, the precise mechanism by which chronic stress induce anxious depression and modify internal milieu is still unknown. Herein, we show that exposure to CUS increase oxidative stress, microgliosis, astrogliosis while it reduces hippocampal NSC proliferation, neuronal differentiation and maturation in adult rats. CUS exposure in rats reduce dopamine and serotonin level in cortex and hippocampus, which result in increased anxiety and depression-like phenotypes. We also found elevated level of NF-κB and TNF-α while decreased anti-inflammatory cytokine IL-10 level, that led to increased expression of Bax and cleaved Caspase-3 whereas down regulation of antiapoptotic protein Bcl2. Additionally, CUS altered adult hippocampal neurogenesis, increased gliosis and neuronal apoptosis in cerebral cortex and hippocampus which might be associated with reduced AKT and increased ERK signaling, as seen in the rat brain tissue. Taken together, these results indicate that CUS induce oxidative stress and neuroinflammation which directly affects NSC dynamics, monoamines levels and behavioral functions in adult rats.
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Vecchia DD, Kanazawa LKS, Wendler E, Hocayen PDAS, Vital MABF, Takahashi RN, Da Cunha C, Miyoshi E, Andreatini R. Ketamine reversed short-term memory impairment and depressive-like behavior in animal model of Parkinson's disease. Brain Res Bull 2021; 168:63-73. [PMID: 33359641 DOI: 10.1016/j.brainresbull.2020.12.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/01/2020] [Accepted: 12/18/2020] [Indexed: 12/15/2022]
Abstract
The most common features of Parkinson's disease (PD) are motor impairments, but many patients also present depression and memory impairment. Ketamine, an N-methyl-d-aspartate (NMDA) receptor antagonist, has been shown to be effective in patients with treatment-resistant major depression. Thus, the present study evaluated the action of ketamine on memory impairment and depressive-like behavior in an animal model of PD. Male Wistar rats received a bilateral infusion of 6 μg/side 6-hydroxydopamine (6-OHDA) into the substantia nigra pars compacta (SNc). Short-term memory was evaluated by the social recognition test, and depressive-like behaviors were evaluated by the sucrose preference and forced swimming tests (FST). Drug treatments included vehicle (i.p., once a week); ketamine (5, 10 and 15 mg/kg, i.p., once a week); and imipramine (20 mg/kg, i.p., daily). The treatments were administered 21 days after the SNc lesion and lasted for 28 days. The SNc lesion impaired short-term social memory, and all ketamine doses reversed the memory impairment and anhedonia (reduction of sucrose preference) induced by 6-OHDA. In the FST, 6-OHDA increased immobility, and all doses of ketamine and imipramine reversed this effect. The anti-immobility effect of ketamine was associated with an increase in swimming but not in climbing, suggesting a serotonergic effect. Ketamine and imipramine did not reverse the 6-OHDA-induced reduction in tyrosine hydroxylase immunohistochemistry in the SNc. In conclusion, ketamine reversed depressive-like behaviors and short-term memory impairment in rats with SNc bilateral lesions, indicating a promising profile for its use in PD patients.
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Affiliation(s)
- Débora Dalla Vecchia
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil; Uniandrade, Centro Universitário Campos de Andrade, Santa Quiteria, 80310-310, Curitiba, PR, Brazil
| | - Luiz Kae Sales Kanazawa
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil
| | - Etiéli Wendler
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil; Uniandrade, Centro Universitário Campos de Andrade, Santa Quiteria, 80310-310, Curitiba, PR, Brazil
| | - Palloma de Almeida Soares Hocayen
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil
| | - Maria Aparecida Barbato Frazão Vital
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil
| | - Reinaldo Naoto Takahashi
- Departamento de Farmacologia, Universidade Federal de Santa Catarina, Trindade, 88049-900, Florianópolis, SC, Brazil
| | - Claudio Da Cunha
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil
| | - Edmar Miyoshi
- Department of Pharmaceutical Sciences, State University of Ponta Grossa, Avenida General Carlos Cavalcanti 4748, 84030-900, Ponta Grossa, PR, Brazil
| | - Roberto Andreatini
- Department of Pharmacology, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, C.P. 19031, 81531-980, Curitiba, PR, Brazil.
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Hsueh YS, Lin CY, Chiu NT, Yang YK, Chen PS, Chang HH. Changes in striatal dopamine transporters in bipolar disorder and valproate treatment. Eur Psychiatry 2021; 64:e9. [PMID: 33413711 PMCID: PMC8057387 DOI: 10.1192/j.eurpsy.2021.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Previous studies suggested that a disturbance of the dopamine system underlies the pathophysiology of bipolar disorder (BD). In addition, the therapeutic action of medications for treating BD, such as valproate (VPA), might modulate dopamine system activity, but it remains unclear. Here, we aimed to investigate the role of the striatal dopamine transporter (DAT) in BD patients and in social defeat (SD) mice treated with VPA. Methods We enrolled community-dwelling controls (N = 18) and BD patients (N = 23) who were treated with VPA in a euthymic stage. The striatal DAT availabilities were approached by TRODAT-1 single photon emission computed tomography. We also established a chronic SD mouse model and treated mice with 350 mg/kg VPA for 3 weeks. Behavioral tests were administered, and striatal DAT expression levels were determined. Results In humans, the level of striatal DAT availability was significantly higher in euthymic BD patients (1.52 ± 0.17 and 1.37 ± 0.23, p = 0.015). Moreover, the level of striatal DAT availability was also negatively correlated with the VPA concentration in BD patients (r = −0.653, p = 0.003). In SD mice, the expression of striatal DAT significantly increased (p < 0.001), and the SD effect on DAT expression was rescued by VPA treatment. Conclusions The striatal DAT might play a role in the pathophysiology of BD and in the therapeutic mechanism of VPA. The homeostasis of DAT might represent a new therapeutic strategy for BD patients.
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Affiliation(s)
- Yuan-Shuo Hsueh
- Department of Medical Science Industries, College of Health Sciences, Chang Jung Christian University, Tainan, Taiwan.,Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Ying Lin
- Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Nan-Tsing Chiu
- Department of Nuclear Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yen Kuang Yang
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Psychiatry, National Cheng Kung University Hospital Dou-Liou Branch, Dou-Liou, Yunlin, Taiwan
| | - Po See Chen
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hui Hua Chang
- Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Pharmacy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Pharmacy, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan
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22
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Jiang YF, Liu J, Yang J, Guo Y, Hu W, Zhang J, La XM, Xie W, Wang HS, Zhang L. Involvement of the Dorsal Hippocampus 5-HT1A Receptors in the Regulation of Depressive-Like Behaviors in Hemiparkinsonian Rats. Neuropsychobiology 2021; 79:198-207. [PMID: 31940619 DOI: 10.1159/000505212] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 12/02/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND Depression is one of the most common neuropsychiatric disturbances in Parkinson's disease (PD), but its pathophysiology is not definite. Lines of evidence have indicated that the hippocampus and serotonin 1A (5-HT1A) receptors are related to the regulation of depression. OBJECTIVE The purpose of the present study was to observe the effect of 5-HT1A receptors in the dorsal hippocampus (dHIP) on PD-related depression in rats. METHODS Unilateral 6-hydroxydopamine lesioning of the medial forebrain bundle (MFB) was used to establish the hemiparkinsonian rat model. The effects of intra-dHIP injection of the 5-HT1A receptor -agonist 8-hydroxy-2-(dipropylamino)tetralin hydrobromide (8-OH-DPAT) or antagonist WAY-100635 on depressive-like behaviors were observed in sucrose preference and forced swim tests in control and lesioned rats. Monoamine levels including dopamine (DA), 5-HT, and noradrenaline (NA) in depression-related brain regions were determined by a neurochemical method in all groups. RESULTS Behavioral results showed that MFB lesions induced depressive-like behaviors. Intra-dHIP injection of 8-OH-DPAT produced antidepressant effects, while WAY-100635 induced or increased the depressive-like behaviors in both control and the lesioned rats. Neurochemical results found that intra-dHIP injection of 8-OH-DPAT significantly increased DA and 5-HT levels in the medial prefrontal cortex (mPFC), lateral habenula (LHb), ventral hippocampus and amygdala in the lesioned group and decreased NA levels in the mPFC and LHb in the control group. Moreover, after injection of WAY-100635, NA levels in all these regions of the lesioned group were significantly increased. CONCLUSIONS These findings suggest that hippocampal 5-HT1A receptors regulate depression and PD-related depression by neurochemical mechanisms.
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Affiliation(s)
- Yi-Fan Jiang
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China.,Department of Clinical Medicine, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Jie Yang
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Wei Hu
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China.,Department of Clinical Medicine, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Jin Zhang
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Xue-Mei La
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China.,Department of Stomatology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Wen Xie
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Hui-Sheng Wang
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Li Zhang
- Department of Physiology and Pathophysiology, School of Medicine, Xi'an Jiaotong University, Xi'an, China,
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23
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Bendersky CJ, Milian AA, Andrus MD, De La Torre U, Walker DM. Long-Term Impacts of Post-weaning Social Isolation on Nucleus Accumbens Function. Front Psychiatry 2021; 12:745406. [PMID: 34616326 PMCID: PMC8488119 DOI: 10.3389/fpsyt.2021.745406] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 08/26/2021] [Indexed: 01/07/2023] Open
Abstract
Adolescence is a period of incredible change, especially within the brain's reward circuitry. Stress, including social isolation, during this time has profound effects on behaviors associated with reward and other neuropsychiatric disorders. Because the Nucleus Accumbens (NAc), is crucial to the integration of rewarding stimuli, the NAc is especially sensitive to disruptions by adolescent social isolation stress. This review highlights the long-term behavioral consequences of adolescent social isolation rearing on the NAc. It will discuss the cellular and molecular changes within the NAc that might underlie the long-term effects on behavior. When available sex-specific effects are discussed. Finally by mining publicly available data we identify, for the first time, key transcriptional profiles induced by adolescence social isolation in genes associated with dopamine receptor 1 and 2 medium spiny neurons and genes associated with cocaine self-administration. Together, this review provides a comprehensive discussion of the wide-ranging long-term impacts of adolescent social isolation on the dopaminergic system from molecules through behavior.
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Affiliation(s)
- Cari J Bendersky
- Department of Behavioral Neuroscience, Oregon Health and Science and University, Portland, OR, United States
| | - Allison A Milian
- Department of Behavioral Neuroscience, Oregon Health and Science and University, Portland, OR, United States
| | - Mason D Andrus
- Department of Behavioral Neuroscience, Oregon Health and Science and University, Portland, OR, United States
| | - Ubaldo De La Torre
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Oregon Health and Science University, Portland, OR, United States
| | - Deena M Walker
- Department of Behavioral Neuroscience, Oregon Health and Science and University, Portland, OR, United States
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Siemann JK, Grueter BA, McMahon DG. Rhythms, Reward, and Blues: Consequences of Circadian Photoperiod on Affective and Reward Circuit Function. Neuroscience 2020; 457:220-234. [PMID: 33385488 DOI: 10.1016/j.neuroscience.2020.12.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 02/01/2023]
Abstract
Circadian disruptions, along with altered affective and reward states, are commonly associated with psychiatric disorders. In addition to genetics, the enduring influence of environmental factors in programming neural networks is of increased interest in assessing the underpinnings of mental health. The duration of daylight or photoperiod is known to impact both the serotonin and dopamine systems, which are implicated in mood and reward-based disorders. This review first examines the effects of circadian disruption and photoperiod in the serotonin system in both human and preclinical studies. We next highlight how brain regions crucial for the serotoninergic system (i.e., dorsal raphe nucleus; DRN), and dopaminergic (i.e., nucleus accumbens; NAc and ventral tegmental area; VTA) system are intertwined in overlapping circuitry, and play influential roles in the pathology of mood and reward-based disorders. We then focus on human and animal studies that demonstrate the impact of circadian factors on the dopaminergic system. Lastly, we discuss how environmental factors such as circadian photoperiod can impact the neural circuits that are responsible for regulating affective and reward states, offering novel insights into the biological mechanisms underlying the pathophysiology, systems, and therapeutic treatments necessary for mood and reward-based disorders.
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Affiliation(s)
- Justin K Siemann
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA; Kennedy Center for Research on Human Development, Vanderbilt University, Nashville, TN 37235, USA
| | - Brad A Grueter
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37235, USA; Department of Anesthesiology, Vanderbilt University, Nashville, TN 37235, USA; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN 37235, USA; Kennedy Center for Research on Human Development, Vanderbilt University, Nashville, TN 37235, USA
| | - Douglas G McMahon
- Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA; Department of Pharmacology, Vanderbilt University, Nashville, TN 37235, USA; Kennedy Center for Research on Human Development, Vanderbilt University, Nashville, TN 37235, USA.
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Antonazzo M, Gomez-Urquijo SM, Ugedo L, Morera-Herreras T. Dopaminergic denervation impairs cortical motor and associative/limbic information processing through the basal ganglia and its modulation by the CB1 receptor. Neurobiol Dis 2020; 148:105214. [PMID: 33278598 DOI: 10.1016/j.nbd.2020.105214] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 11/20/2020] [Accepted: 11/30/2020] [Indexed: 11/25/2022] Open
Abstract
The basal ganglia (BG) are involved in cognitive/motivational functions in addition to movement control. Thus, BG segregated circuits, the sensorimotor (SM) and medial prefrontal (mPF) circuits, process different functional domains, such as motor and cognitive/motivational behaviours, respectively. With a high presence in the BG, the CB1 cannabinoid receptor modulates BG circuits. Furthermore, dopamine (DA), one of the principal neurotransmitters in the BG, also plays a key role in circuit functionality. Taking into account the interaction between DA and the endocannabinoid system at the BG level, we investigated the functioning of BG circuits and their modulation by the CB1 receptor under DA-depleted conditions. We performed single-unit extracellular recordings of substantia nigra pars reticulata (SNr) neurons with simultaneous cortical stimulation in sham and 6-hydroxydopamine (6-OHDA)-lesioned rats, together with immunohistochemical assays. We showed that DA loss alters cortico-nigral information processing in both circuits, with a predominant transmission through the hyperdirect pathway in the SM circuit and an increased transmission through the direct pathway in the mPF circuit. Moreover, although DA denervation does not change CB1 receptor density, it impairs its functionality, leading to a lack of modulation. These data highlight an abnormal transfer of information through the associative/limbic domains after DA denervation that may be related to the non-motor symptoms manifested by Parkinson's disease patients.
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Affiliation(s)
- Mario Antonazzo
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa 48940, Spain; Neurodegenerative diseases Group, Biocruces Health Research Institute, Barakaldo, Bizkaia, Spain
| | - Sonia María Gomez-Urquijo
- Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa 48940, Spain; Achucarro Basque Center for Neuroscience, Science Park of the University of the Basque Country (UPV/EHU), Leioa 48940, Spain
| | - Luisa Ugedo
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa 48940, Spain; Neurodegenerative diseases Group, Biocruces Health Research Institute, Barakaldo, Bizkaia, Spain
| | - Teresa Morera-Herreras
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa 48940, Spain; Neurodegenerative diseases Group, Biocruces Health Research Institute, Barakaldo, Bizkaia, Spain.
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Lyu S, Guo Y, Zhang L, Wang Y, Tang G, Li R, Yang J, Gao S, Ma B, Liu J. Blockade of GABA transporter-1 and GABA transporter-3 in the lateral habenula improves depressive-like behaviors in a rat model of Parkinson's disease. Neuropharmacology 2020; 181:108369. [DOI: 10.1016/j.neuropharm.2020.108369] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/15/2020] [Accepted: 10/19/2020] [Indexed: 12/23/2022]
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Maldonado C, Vázquez M, Fagiolino P. Potential Therapeutic Role of Carnitine and Acetylcarnitine in Neurological Disorders. Curr Pharm Des 2020; 26:1277-1285. [PMID: 32048954 DOI: 10.2174/1381612826666200212114038] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 01/30/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Current therapy of neurological disorders has several limitations. Although a high number of drugs are clinically available, several subjects do not achieve full symptomatic remission. In recent years, there has been an increasing interest in the therapeutic potential of L-carnitine (LCAR) and acetyl-L-carnitine (ALCAR) because of the multiplicity of actions they exert in energy metabolism, as antioxidants, neuromodulators and neuroprotectors. They also show excellent safety and tolerability profile. OBJECTIVE To assess the role of LCAR and ALCAR in neurological disorders. METHODS A meticulous review of the literature was conducted in order to establish the linkage between LCAR and ALCAR and neurological diseases. RESULTS LCAR and ALCAR mechanisms and effects were studied for Alzheimer's disease, depression, neuropathic pain, bipolar disorder, Parkinson's disease and epilepsy in the elderly. Both substances exert their actions mainly on primary metabolism, enhancing energy production, through β-oxidation, and the ammonia elimination via urea cycle promotion. These systemic actions impact positively on the Central Nervous System state, as Ammonia and energy depletion seem to underlie most of the neurotoxic events, such as inflammation, oxidative stress, membrane degeneration, and neurotransmitters disbalances, present in neurological disorders, mainly in the elderly. The impact on bipolar disorder is controversial. LCAR absorption seems to be impaired in the elderly due to the decrease of active transportation; therefore, ALCAR seems to be the more effective option to administer. CONCLUSION ALCAR emerges as a simple, economical and safe adjuvant option in order to impair the progression of most neurological disorders.
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Affiliation(s)
- Cecilia Maldonado
- Biopharmaceutics and Therapeutics, Pharmaceutical Sciences Department, Faculty of Chemistry, Universidad de la Republica, Montevideo, Uruguay
| | - Marta Vázquez
- Biopharmaceutics and Therapeutics, Pharmaceutical Sciences Department, Faculty of Chemistry, Universidad de la Republica, Montevideo, Uruguay
| | - Pietro Fagiolino
- Biopharmaceutics and Therapeutics, Pharmaceutical Sciences Department, Faculty of Chemistry, Universidad de la Republica, Montevideo, Uruguay
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Hui Y, Du C, Xu T, Zhang Q, Tan H, Liu J. Dopamine D4 receptors in the lateral habenula regulate depression-related behaviors via a pre-synaptic mechanism in experimental Parkinson's disease. Neurochem Int 2020; 140:104844. [DOI: 10.1016/j.neuint.2020.104844] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/19/2020] [Accepted: 08/30/2020] [Indexed: 11/30/2022]
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29
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Sun Y, Cao J, Xu C, Liu X, Wang Z, Zhao H. Rostromedial tegmental nucleus-substantia nigra pars compacta circuit mediates aversive and despair behavior in mice. Exp Neurol 2020; 333:113433. [PMID: 32791155 DOI: 10.1016/j.expneurol.2020.113433] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 12/28/2022]
Abstract
GABAergic neurons in the rostromedial tegmental nucleus (RMTg) receive major input from the lateral habenula (LHb), which conveys negative reward and motivation related information, and project intensively to midbrain dopamine neurons, including those in the ventral tegmental area (VTA) and substantia nigra pars compacta (SNc). The RMTg-VTA circuit has been shown to be linked to the affective behavior, but the role of the RMTg-SNc circuit in aversion and depression has not been well understood. This study demonstrated that exciting or inhibiting VgatRMTg-SNc neurons was sufficient to increase or decrease immobility time in the forced swim test (FST), respectively. Furthermore, exciting the VgatRMTg-SNc pathway caused aversive behavior. Ninety percent of the SNc putative dopamine neurons were inhibited in extracellular recordings. Furthermore, inhibiting the VgatRMTg-SNc pathway reversed behavioral despair in chronic restraint stress (CRS) depression model mice. Manipulations of the pathway did not affect the hedonic value of the reward in the sucrose-preference test (SPT) or general motor function. In conclusion, these results indicate that the VgatRMTg-SNc pathway regulates aversive and despair behavior, which suggests that the RMTg may mediate the role of LHb in negative behaviors through regulating the activity of SNc neurons.
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Affiliation(s)
- Yanfei Sun
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, PR China.
| | - Jing Cao
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, PR China
| | - Chunpeng Xu
- Shijiazhuang Fifth Hospital, Shijiazhuang 050000, PR China
| | - Xiaofeng Liu
- Neuroscience Research Center, First Hospital of Jilin University, Changchun 130021, PR China
| | - Zicheng Wang
- Norman Bethune Health Science Center of Jilin University, Changchun 130021, PR China
| | - Hua Zhao
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, PR China; Neuroscience Research Center, First Hospital of Jilin University, Changchun 130021, PR China.
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Qiao H, Yang S, Xu C, Ma XM, An SC. Involvement of D2 receptor in the NAc in chronic unpredictable stress-induced depression-like behaviors. Stress 2020; 23:318-327. [PMID: 31556781 DOI: 10.1080/10253890.2019.1673361] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
D2 receptors (D2Rs) located in both pre- and postsynaptic membranes of medium spiny neurons (MSNs) in the nucleus accumbens (NAc) are involved in the stress response and associated behaviors. The role of D2Rs in chronic unpredictable stress (CUS)-induced depression-like behaviors is not clear. Quinpirole (a D2R agonist) and eticlopride (a D2R antagonist) were stereotactically delivered into the NAc before Sprague Dawley rats underwent CUS. CUS-induced depression-like behaviors were accompanied by a significant decrease in both the dopamine (DA) level and D2R expression in the NAc. Eticlopride reversed CUS-induced depression-like behavior and rescued the DA levels in the NAc, and microinjection of DA into the NAc of CUS individuals had the same effect as eticlopride. By contrast, delivery of quinpirole into the NAc of control animals induced depression-like behaviors accompanied by a decrease in the DA level in the NAc. These results show that DA plays a key role in CUS-induced depression-like behaviors and the D2R exerts a presynaptic negative feedback on DA levels during CUS. Microinjection of quinpirole into the NAc also decreased the level of the kalirin-7 protein in the NAc of both control and stressed animals, while eticlopride increased its level in the NAc of rats. In agreement with these results, intraperitoneal injection of eticlopride in mice also caused an increase in both the kalirin-7 protein level in the NAc and spine density in MSNs, while quinpirole reduced them. These results suggest that regulation of kalirin-7 through D2R in the NAc is a general pathway in rats and mice, and is involved in CUS-induced depression-like behaviors. Kalirin-7 may be directly regulated through the D2R postsynaptic pathway or indirectly through the presynaptic pathway in the NAc. The interaction between D2R and kalirin-7 needs to be investigated further.
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Affiliation(s)
- Hui Qiao
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Sha Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Chang Xu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xin-Ming Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
- Department of Neuroscience, University of Connecticut Health Center, Farmington, CT, USA
| | - Shu-Cheng An
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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Dujardin K, Sgambato V. Neuropsychiatric Disorders in Parkinson's Disease: What Do We Know About the Role of Dopaminergic and Non-dopaminergic Systems? Front Neurosci 2020; 14:25. [PMID: 32063833 PMCID: PMC7000525 DOI: 10.3389/fnins.2020.00025] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 01/10/2020] [Indexed: 12/13/2022] Open
Abstract
Besides the hallmark motor symptoms (rest tremor, hypokinesia, rigidity, and postural instability), patients with Parkinson’s disease (PD) have non-motor symptoms, namely neuropsychiatric disorders. They are frequent and may influence the other symptoms of the disease. They have also a negative impact on the quality of life of patients and their caregivers. In this article, we will describe the clinical manifestations of the main PD-related behavioral disorders (depression, anxiety disorders, apathy, psychosis, and impulse control disorders). We will also provide an overview of the clinical and preclinical literature regarding the underlying mechanisms with a focus on the role of the dopaminergic and non-dopaminergic systems.
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Affiliation(s)
- Kathy Dujardin
- Inserm U1171 Degenerative and Vascular Cognitive Disorders, Lille University Medical Center, Lille, France
| | - Véronique Sgambato
- CNRS, Institut des Sciences Cognitives Marc Jeannerod, UMR 5229, Lyon University, Bron, France
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Differentially Expressed Genes of the Slc6a Family as Markers of Altered Brain Neurotransmitter System Function in Pathological States in Mice. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s11055-019-00888-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Martino M, Magioncalda P, Conio B, Capobianco L, Russo D, Adavastro G, Tumati S, Tan Z, Lee HC, Lane TJ, Amore M, Inglese M, Northoff G. Abnormal Functional Relationship of Sensorimotor Network With Neurotransmitter-Related Nuclei via Subcortical-Cortical Loops in Manic and Depressive Phases of Bipolar Disorder. Schizophr Bull 2020; 46:163-174. [PMID: 31150559 PMCID: PMC6942162 DOI: 10.1093/schbul/sbz035] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVE Manic and depressive phases of bipolar disorder (BD) show opposite psychomotor symptoms. Neuronally, these may depend on altered relationships between sensorimotor network (SMN) and subcortical structures. The study aimed to investigate the functional relationships of SMN with substantia nigra (SN) and raphe nuclei (RN) via subcortical-cortical loops, and their alteration in bipolar mania and depression, as characterized by psychomotor excitation and inhibition. METHOD In this resting-state functional magnetic resonance imaging (fMRI) study on healthy (n = 67) and BD patients (n = 100), (1) functional connectivity (FC) between thalamus and SMN was calculated and correlated with FC from SN or RN to basal ganglia (BG)/thalamus in healthy; (2) using an a-priori-driven approach, thalamus-SMN FC, SN-BG/thalamus FC, and RN-BG/thalamus FC were compared between healthy and BD, focusing on manic (n = 34) and inhibited depressed (n = 21) patients. RESULTS (1) In healthy, the thalamus-SMN FC showed a quadratic correlation with SN-BG/thalamus FC and a linear negative correlation with RN-BG/thalamus FC. Accordingly, the SN-related FC appears to enable the thalamus-SMN coupling, while the RN-related FC affects it favoring anti-correlation. (2) In BD, mania showed an increase in thalamus-SMN FC toward positive values (ie, thalamus-SMN abnormal coupling) paralleled by reduction of RN-BG/thalamus FC. By contrast, inhibited depression showed a decrease in thalamus-SMN FC toward around-zero values (ie, thalamus-SMN disconnection) paralleled by reduction of SN-BG/thalamus FC (and RN-BG/thalamus FC). The results were replicated in independent HC and BD datasets. CONCLUSIONS These findings suggest an abnormal relationship of SMN with neurotransmitters-related areas via subcortical-cortical loops in mania and inhibited depression, finally resulting in psychomotor alterations.
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Affiliation(s)
- Matteo Martino
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Paola Magioncalda
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Brain and Consciousness Research Center, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan
- Graduate Institute of Mind Brain and Consciousness, Taipei Medical University, Taipei, Taiwan
- To whom correspondence should be addressed; Clinica Psichiatrica, Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132 Genoa, Italy; tel: +390103537668, fax: +390103537669, e-mail:
| | - Benedetta Conio
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Laura Capobianco
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Daniel Russo
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Giulia Adavastro
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Shankar Tumati
- University of Ottawa Brain and Mind Research Institute, and Mind Brain Imaging and Neuroethics Royal’s Institute of Mental Health Research, University of Ottawa, Ottawa, Canada
| | - Zhonglin Tan
- Mental Health Centre, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Hsin-Chien Lee
- Department of Psychiatry, College of Medicine and Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - Timothy J Lane
- Brain and Consciousness Research Center, Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan
- Graduate Institute of Mind Brain and Consciousness, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Humanities in Medicine, Taipei Medical University, Taipei, Taiwan
| | - Mario Amore
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Matilde Inglese
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Neurology, University of Genoa, Genoa, Italy
- Department of Neurology, Radiology and Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Georg Northoff
- University of Ottawa Brain and Mind Research Institute, and Mind Brain Imaging and Neuroethics Royal’s Institute of Mental Health Research, University of Ottawa, Ottawa, Canada
- Mental Health Centre, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Centre for Cognition and Brain Disorders, Hangzhou Normal University, Hangzhou, China
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Gruenbaum BF, Kutz R, Zlotnik A, Boyko M. Blood glutamate scavenging as a novel glutamate-based therapeutic approach for post-stroke depression. Ther Adv Psychopharmacol 2020; 10:2045125320903951. [PMID: 32110376 PMCID: PMC7026819 DOI: 10.1177/2045125320903951] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Accepted: 12/31/2019] [Indexed: 12/16/2022] Open
Abstract
Post-stroke depression (PSD) is a major complication of stroke that significantly impacts functional recovery and quality of life. While the exact mechanism of PSD is unknown, recent attention has focused on the association of the glutamatergic system in its etiology and treatment. Minimizing secondary brain damage and neuropsychiatric consequences associated with excess glutamate concentrations is a vital part of stroke management. The blood glutamate scavengers, oxaloacetate and pyruvate, degrade glutamate in the blood to its inactive metabolite, 2-ketoglutarate, by the coenzymes glutamate-oxaloacetate transaminase (GOT) and glutamate-pyruvate transaminase (GPT), respectively. This reduction in blood glutamate concentrations leads to a subsequent shift of glutamate down its concentration gradient from the blood to the brain, thereby decreasing brain glutamate levels. Although there are not yet any human trials that support blood glutamate scavengers for clinical use, there is increasing evidence from animal research of their efficacy as a promising new therapeutic approach for PSD. In this review, we present recent evidence in the literature of the potential therapeutic benefits of blood glutamate scavengers for reducing PSD and other related neuropsychiatric conditions. The evidence reviewed here should be useful in guiding future clinical trials.
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Affiliation(s)
- Benjamin F Gruenbaum
- Department of Anesthesiology, Yale University School of Medicine, New Haven, CT, USA
| | - Ruslan Kutz
- Division of Anesthesiology and Critical Care, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Alexander Zlotnik
- Division of Anesthesiology and Critical Care, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Matthew Boyko
- Division of Anesthesiology and Critical Care, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84101, Israel
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Zhang J, Lv S, Tang G, Bian G, Yang Y, Li R, Yang J, Liu J. Activation of calcium-impermeable GluR2-containing AMPA receptors in the lateral habenula produces antidepressant-like effects in a rodent model of Parkinson's disease. Exp Neurol 2019; 322:113058. [DOI: 10.1016/j.expneurol.2019.113058] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 09/05/2019] [Accepted: 09/05/2019] [Indexed: 12/11/2022]
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Blockade of calcium-permeable AMPA receptors in the lateral habenula produces increased antidepressant-like effects in unilateral 6-hydroxydopamine-lesioned rats compared to sham-lesioned rats. Neuropharmacology 2019; 157:107687. [DOI: 10.1016/j.neuropharm.2019.107687] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 06/20/2019] [Accepted: 06/24/2019] [Indexed: 01/28/2023]
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Zhang H, Ding L, Shen T, Peng D. HMGB1 involved in stress-induced depression and its neuroinflammatory priming role: a systematic review. Gen Psychiatr 2019; 32:e100084. [PMID: 31552388 PMCID: PMC6738663 DOI: 10.1136/gpsych-2019-100084] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/15/2019] [Accepted: 07/17/2019] [Indexed: 12/12/2022] Open
Abstract
Background Evidence from clinical and preclinical studies has demonstrated that stress can cause depressive-like symptoms including anhedonia and psychomotor retardation, namely, the manifestation of motivational deficits in depression. The proximate mediator of linking social-environmental stress with internal motivational deficits remains elusive, although substantial studies proposed neural endocrine mechanisms. As an endogenous danger-associated molecule, high mobility group box-1 (HMGB1) is necessary and sufficient for stress-induced sensitization of innate immune cells and subsequent (neuro)inflammation. Aim This review aims to provide evidence to unveil the potential mechanism of the relationship between motivational deficits and stress in depression. Methods We reviewed original case-control studies investigating the association between HMGB1-mediated inflammation and stress-induced depression. The literature search of Pubmed and Web of Science electronic database from inception up to March 28th, 2019 were conducted by two independent authors. We performed a qualitative systematic review approach to explore the correlation between HMGB1-mediated inflammation and anhedonia/psychomotor retardation in depression. Results A total of 69 studies based on search strategy were retrieved and seven eligible studies met the inclusion criteria. Studies showed that HMGB1 was implicated with depressive-like behaviors, which are similar with motivational deficits. Furthermore, HMGB1-mediated inflammation in depressive-like behaviors may be involved in Nod-like receptor family pyrin domain containing three (NLRP3) inflammasome and proinflammatory cytokines, abnormal kynurenine pathway and imbalance between neuroprotective and neurotoxic factors. Conclusions We found that stress-induced inflammation mediated by HMGB1 may affect motivational deficits through regulating dopamine pathway in corticostriatal neurocircuitry. The systematic review may shed light on the novel neurobiological underpinning for treatment of motivation deficits in depression.
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Affiliation(s)
- Huifeng Zhang
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Ding
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ting Shen
- Department of Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Daihui Peng
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Galts CP, Bettio LE, Jewett DC, Yang CC, Brocardo PS, Rodrigues ALS, Thacker JS, Gil-Mohapel J. Depression in neurodegenerative diseases: Common mechanisms and current treatment options. Neurosci Biobehav Rev 2019; 102:56-84. [DOI: 10.1016/j.neubiorev.2019.04.002] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/22/2019] [Accepted: 04/02/2019] [Indexed: 12/19/2022]
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Peirce JM, Alviña K. The role of inflammation and the gut microbiome in depression and anxiety. J Neurosci Res 2019; 97:1223-1241. [PMID: 31144383 DOI: 10.1002/jnr.24476] [Citation(s) in RCA: 224] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 04/26/2019] [Accepted: 05/15/2019] [Indexed: 02/06/2023]
Abstract
The study of the gut microbiome has increasingly revealed an important role in modulating brain function and mental health. In this review, we underscore specific pathways and mechanisms by which the gut microbiome can promote the development of mental disorders such as depression and anxiety. First, we review the involvement of the stress response and immune system activation in the development of depression and anxiety. Then, we examine germ-free murine models used to uncover the role of the gut microbiome in developing and modulating pertinent activity in the brain and the immune system. We also document multiple pathways by which stress-induced inflammation harms brain function and ultimately affects mental health, and review how probiotic and prebiotic treatments have shown to be beneficial. Lastly, we provide an overview of gut microbiome-derived compounds (short-chain fatty acids, tryptophan catabolites, microbial pattern recognition) and related mechanisms (vagal nerve activity and fecal microbiota transplants) involved in mediating the influence of the gut microbiome to mental health. Overall, a picture of the gut microbiome playing a facilitating role between stress response, inflammation, and depression, and anxiety is emerging. Future research is needed to firmly establish the microbiome's causal role, to further elucidate the mechanisms by which gut microbes influence brain function and mental health, and to possibly develop treatments that improve mental health through microbiotic targets.
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Affiliation(s)
- Jason M Peirce
- Department of Biological Sciences, Texas Tech University, Lubbock, Texas.,Honors College, Texas Tech University, Lubbock, Texas
| | - Karina Alviña
- Department of Biological Sciences, Texas Tech University, Lubbock, Texas
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Walker DM, Cunningham AM, Gregory JK, Nestler EJ. Long-Term Behavioral Effects of Post-weaning Social Isolation in Males and Females. Front Behav Neurosci 2019; 13:66. [PMID: 31031604 PMCID: PMC6470390 DOI: 10.3389/fnbeh.2019.00066] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/14/2019] [Indexed: 11/13/2022] Open
Abstract
Adolescence is a developmental period associated with vast neural and behavioral changes which are accompanied by altered sensitivity to stimuli, both stressful and rewarding. Perturbations, especially stressful stimuli, during this period have been shown to alter behavior in adulthood. Social isolation rearing is one such perturbation. This review highlights the long-term behavioral consequences of adolescent social isolation rearing in rodents with a specific focus on anxiety- and addiction-related behaviors. Sex-specific effects are discussed where data are available. We then consider changes in monoaminergic neurotransmission as one possible mechanism for the behavioral effects described. This research on both normative and perturbed adolescent development is crucial to understanding and treating the increased vulnerability to psychiatric disorders seen in humans during this life stage.
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Affiliation(s)
- Deena M Walker
- Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Ashley M Cunningham
- Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jill K Gregory
- Academic IT: Instructional Technology Group, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Eric J Nestler
- Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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Kaufling J. Alterations and adaptation of ventral tegmental area dopaminergic neurons in animal models of depression. Cell Tissue Res 2019; 377:59-71. [PMID: 30848354 DOI: 10.1007/s00441-019-03007-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 02/11/2019] [Indexed: 01/01/2023]
Abstract
Depression is one of the most prevalent psychiatric diseases, affecting the quality of life of millions of people. Ventral tegmental area (VTA) dopaminergic (DA) neurons are notably involved in evaluating the emotional and motivational value of a stimulus, in detecting reward prediction errors, in motivated learning, or in the propensity to initiate or withhold an action. DA neurons are thus involved in psychopathologies associated with perturbations of emotional and motivational states, such as depression. In this review, we focus on adaptations/alterations of the VTA, particularly of the VTA DA neurons, in the three most frequently used animal models of depression: learned helplessness, chronic mild stress and chronic social defeat.
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Affiliation(s)
- Jennifer Kaufling
- Centre National de la Recherche Scientifique, Institut des Neurosciences Cellulaires et Intégratives, 8 Allée du Générale Rouvillois, 67000, Strasbourg, France.
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Faivre F, Joshi A, Bezard E, Barrot M. The hidden side of Parkinson’s disease: Studying pain, anxiety and depression in animal models. Neurosci Biobehav Rev 2019; 96:335-352. [DOI: 10.1016/j.neubiorev.2018.10.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 09/14/2018] [Accepted: 10/12/2018] [Indexed: 12/21/2022]
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Loiodice S, Wing Young H, Rion B, Méot B, Montagne P, Denibaud AS, Viel R, Drieu La Rochelle C. Implication of nigral dopaminergic lesion and repeated L-dopa exposure in neuropsychiatric symptoms of Parkinson's disease. Behav Brain Res 2018; 360:120-127. [PMID: 30521934 DOI: 10.1016/j.bbr.2018.12.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 10/30/2018] [Accepted: 12/02/2018] [Indexed: 12/11/2022]
Abstract
This study aims to investigate the contribution of nigral dopaminergic (DA) cell loss, repeated exposure to DA medication and the combination of both to the development of neuropsychiatric symptoms observed in Parkinson's disease (PD). A bilateral 6-OHDA lesion of the substantia nigra pars compacta (SNc) was performed in rats. A set of animals was repeatedly administered with L-dopa (20 mg/kg/day) and benserazide (5 mg/kg/day) over 10 days starting from day 11 post-lesion. Behavioural testing was performed in week 3 post-lesion: novel object recognition (NOR), elevated plus maze (EPM) social interaction (SI) tests, and amphetamine-induced hyperlocomotion (AIH). Immunohistochemical analysis revealed a significant partial lesion (48%) in 6-OHDA versus sham rats. This lesion was not associated with motor impairment. However, lesioned rats displayed a significant deficit in the NOR, which was reversed by acute treatment with l-dopa/benserazide (12.5 mg/kg and 15 mg/kg respectively). Lesioned rats also displayed a deficit in the EPM which was not reversed by acute treatment with l-dopa. No difference was observed in the SI test or in the AIH assay. In all assays, no effect of chronic l-dopa exposure was observed. This study provides new insights into the neuropathophysiology associated with neuropsychiatric symptoms of PD. Our data strongly emphasises a not previously clearly identified critical role in cognition for the SNc. The results suggest that DA pathways were less directly involved in lesion-induced anxiety-like behaviour. We did not report any effect of chronic l-dopa exposure in the context of partial nigral cell loss.
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Affiliation(s)
- Simon Loiodice
- Biotrial Pharmacology, 7-9 rue Jean-Louis Bertrand, 35042, Rennes, France.
| | - Harry Wing Young
- Biotrial Pharmacology, 7-9 rue Jean-Louis Bertrand, 35042, Rennes, France
| | - Bertrand Rion
- Biotrial Pharmacology, 7-9 rue Jean-Louis Bertrand, 35042, Rennes, France
| | - Benoît Méot
- Biotrial Pharmacology, 7-9 rue Jean-Louis Bertrand, 35042, Rennes, France
| | - Pierre Montagne
- Biotrial Pharmacology, 7-9 rue Jean-Louis Bertrand, 35042, Rennes, France
| | | | - Roselyne Viel
- Plate-Forme H2P2, Université de Rennes 1, Biosit, 2 Av. du Prof. Léon Bernard, 35043, Rennes, France
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Elmer GI, Palacorolla H, Mayo CL, Brown PL, Jhou TC, Brady D, Shepard PD. The rostromedial tegmental nucleus modulates the development of stress-induced helpless behavior. Behav Brain Res 2018; 359:950-957. [PMID: 29932954 DOI: 10.1016/j.bbr.2018.06.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 06/16/2018] [Accepted: 06/18/2018] [Indexed: 11/28/2022]
Abstract
A growing body of clinical and preclinical research suggests that structural and functional changes in the habenula, a component of the epithalamus, are associated with major depressive disorder. A major excitatory, efferent projection from the habenula targets the rostromedial tegmentum (RMTg), a mesopontine region that provides significant input to the ventral tegmentum and raphe nuclei. While the RMTg contributes to monoaminergic responses to aversive events, its role in stress-based animal models of depression has yet to be determined. In the present study, we test the hypothesis that the RMTg is a component of the circuitry mediating the development of a maladaptive behavior in which rats repeatedly exposed to inescapable footshock, fail to avoid or escape the same stressor when subsequently given the opportunity to do so. Excitotoxic lesions of the RMTg significantly diminished the frequency of these escape failures 24 h after exposure to inescapable footshock. Conversely, electrical stimulation of the Hb during the initial uncontrollable aversive event, a manipulation that enhances excitatory input to the RMTg, increased the number of trials in which subjects failed to escape an aversive stimulus when presented the option 24 h later. These complementary results provide evidence supporting a role for the RMTg in the expression of stress-induced helpless phenotype and are an important step in understanding the contribution made by this region to the development of depression-related maladaptive behaviors.
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Affiliation(s)
- G I Elmer
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21228, United States.
| | - H Palacorolla
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21228, United States
| | - C L Mayo
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21228, United States
| | - P L Brown
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21228, United States
| | - T C Jhou
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, 29425, United States
| | - D Brady
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21228, United States
| | - P D Shepard
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21228, United States
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Souza LC, Martynhak BJ, Bassani TB, Turnes JDM, Machado MM, Moura E, Andreatini R, Vital MA. Agomelatine's effect on circadian locomotor rhythm alteration and depressive-like behavior in 6-OHDA lesioned rats. Physiol Behav 2018; 188:298-310. [DOI: 10.1016/j.physbeh.2018.02.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 02/10/2018] [Accepted: 02/15/2018] [Indexed: 12/13/2022]
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Bernosky-Smith KA, Qiu YY, Feja M, Lee YB, Loughlin B, Li JX, Bass CE. Ventral tegmental area D2 receptor knockdown enhances choice impulsivity in a delay-discounting task in rats. Behav Brain Res 2018; 341:129-134. [PMID: 29287910 PMCID: PMC5901913 DOI: 10.1016/j.bbr.2017.12.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 12/18/2017] [Accepted: 12/24/2017] [Indexed: 01/11/2023]
Abstract
Impulsivity associated with abnormal dopamine (DA) function has been observed in several disorders, including addiction. Choice impulsivity is the preference for small, immediate rewards over larger rewards after a delay, caused by excessive discounting of future rewards. Addicts have abnormally high discount rates and prefer the smaller rewards sooner. While impulsivity has been inversely correlated with DA D2 receptor (D2R) availability in the midbrain and striatum, it is difficult to mechanistically link the two, due to the diverse neuroanatomical localization of D2Rs, which are found throughout the brain, in many types of neurons and neuronal subcompartments. To determine if ventral tegmental area (VTA) D2R hypofunction is linked to impulsivity, we knocked down D2 receptors from the VTA, using an adeno-associated viral (AAV) vector that delivers short hairpin RNAs (shRNA) targeted against the D2R. The D2R knockdown is restricted to neurons whose cell bodies reside in the VTA, leaving postsynaptic D2Rs intact in the striatum, prefrontal cortex, and other mesocorticolimbic structures. Rats were trained in a delay-discounting task to assess impulsive choice until a stable discounting curve was obtained, and then received bilateral VTA infusions of the D2R shRNA or a scrambled control virus. Over the next six weeks, the discounting curve of the VTA D2R knockdown rats shifted to the left, indicating a preference for the smaller, immediate reward, whereas the curve for control rats remained stable and unchanged. Together these results demonstrate that a decrease in VTA D2Rs enhances choice impulsivity.
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Affiliation(s)
- Kimberly A Bernosky-Smith
- D'Youville College, Department of Biology and Mathematics, 320 Porter Avenue, Buffalo, NY 14201, USA
| | - Yan-Yan Qiu
- Department of Pharmacology and Toxicology, Jacobs School of Medicine, University at Buffalo, SUNY, 102 Farber Hall, 3435 Main St., Buffalo, NY 14214, USA
| | - Malte Feja
- Department of Pharmacology and Toxicology, Jacobs School of Medicine, University at Buffalo, SUNY, 102 Farber Hall, 3435 Main St., Buffalo, NY 14214, USA
| | - Yun Beom Lee
- Department of Pharmacology and Toxicology, Jacobs School of Medicine, University at Buffalo, SUNY, 102 Farber Hall, 3435 Main St., Buffalo, NY 14214, USA
| | - Brian Loughlin
- Department of Pharmacology and Toxicology, Jacobs School of Medicine, University at Buffalo, SUNY, 102 Farber Hall, 3435 Main St., Buffalo, NY 14214, USA
| | - Jun-Xu Li
- Department of Pharmacology and Toxicology, Jacobs School of Medicine, University at Buffalo, SUNY, 102 Farber Hall, 3435 Main St., Buffalo, NY 14214, USA
| | - Caroline E Bass
- Department of Pharmacology and Toxicology, Jacobs School of Medicine, University at Buffalo, SUNY, 102 Farber Hall, 3435 Main St., Buffalo, NY 14214, USA.
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Chagraoui A, Boukhzar L, Thibaut F, Anouar Y, Maltête D. The pathophysiological mechanisms of motivational deficits in Parkinson's disease. Prog Neuropsychopharmacol Biol Psychiatry 2018; 81:138-152. [PMID: 29097256 DOI: 10.1016/j.pnpbp.2017.10.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 09/21/2017] [Accepted: 10/30/2017] [Indexed: 12/23/2022]
Abstract
Parkinson's disease (PD) is a progressive degenerative disorder that leads to disabling motor symptoms and a wide variety of neuropsychiatric symptoms. Apathy is the most common psychiatric disorder in the early stages of untreated PD and can be defined as a hypodopaminergic syndrome, which also includes anxiety and depression. Apathy is also considered the core feature of the parkinsonian triad (apathy, anxiety and depression) of behavioural non-motor signs, including a motivational deficit. Moreover, apathy is recognised as a distinct chronic neuropsychiatric behavioural disorder based on specific diagnostic criteria. Given the prevalence of apathy in approximately 40% of the general Parkinson's disease population, this appears to be a contributing factor to dementia in PD; also, apathy symptoms are factors that potentially contribute to morbidity, leading to a major impairment of health-related quality of life, thus stressing the importance of understanding the pathophysiology of this disease. Several studies have clearly established a prominent role for DA-mediated signals in PD apathy. However, synergistic interaction between dopaminergic impairment resulting from the neurodegenerative process and deep brain stimulation of the subthalamic nucleus may cause or exacerbate apathy. Furthermore, serotoninergic mechanism signalling is also likely to be of importance in this pathophysiology.
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Affiliation(s)
- A Chagraoui
- Normandie Univ, UNIROUEN, INSERM, U1239, CHU Rouen, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Rouen, France.; Department of Medical Biochemistry, Rouen University Hospital, Rouen, France.
| | - L Boukhzar
- Normandie Univ, UNIROUEN, INSERM, U1239, CHU Rouen, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Rouen, France
| | - F Thibaut
- Department of Psychiatry, University Hospital Cochin (site Tarnier), University of Paris-Descartes and INSERM U 894 Laboratory of Psychiatry and Neurosciences, Paris, France
| | - Y Anouar
- Normandie Univ, UNIROUEN, INSERM, U1239, CHU Rouen, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Rouen, France
| | - D Maltête
- Department of Neurology, Rouen University Hospital, Rouen, France
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Bai M, Zhu X, Zhang L, Zhang Y, Xue L, Wang Y, Zhong M, Zhang X. Divergent anomaly in mesocorticolimbic dopaminergic circuits might be associated with different depressive behaviors, an animal study. Brain Behav 2017; 7:e00808. [PMID: 29075568 PMCID: PMC5651392 DOI: 10.1002/brb3.808] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 07/01/2017] [Accepted: 07/14/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The mesocorticolimbic dopamine system, which originates from the ventral tegmental area (VTA) and projects primarily to the prefrontal cortex (PFC), olfactory tubercle (OT), nucleus accumbens (NAc), dorsal striatum (ST), and the amygdala (AMy), plays a pivotal role in determining individual motivation and sensitivity to rewards, namely, anhedonia. Not all depressive individuals exhibited anhedonia, thus, it is natural to speculate that the heterogenous manifestations of depression might be related to the mesocorticolimbic dopamine system. Maternal deprivation (MD) and chronic unpredictable stress (CUPS) are two well-established depressogenic stressors, and they were proven to induce different depressive phenotypes. METHODS The depressive and anxiety-like behaviors of MD and CUPS-treated rats were measured by classical behavioral tests including open field, forced swimming, and sucrose preference test. The expression of D1-5 dopamine receptors and DAT mRNA and protein in the mesocorticolimbic dopamine system of rats exposed to MD and CUPS were measured by real-time PCR and Western blot, respectively. RESULTS Severe anhedonia was observed in MD but not CUPS rats. Divergent expression of D1 and D2 receptors and DAT mRNA and protein in the mesocorticolimbic dopamine system were found between MD and CUPS rats. Significant correlations between different depressive behaviors and D1-/D2-like receptors and DAT protein levels in the mesocorticolimbic dopamine system were observed. CONCLUSION Different depressive behaviors of rats such as anhedonia, passive coping behavior, and declined exploratory interest might be related to divergent dopaminergic pathways. Anhedonia is associated with the dysfunction of VTA-NAc and VTA-OT dopaminergic pathways, the passive coping behavior is related to the dysregulation of VTA-PFC and VTA-AMy pathways, and individual exploratory interest is associated with abnormal activity of VTA-PFC and VTA-ST pathways.
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Affiliation(s)
- Mei Bai
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China.,Mental Health Institute of The Second Xiangya Hospital Key Laboratory of Psychiatry and Mental Health of Hunan Province Central South University Changsha Hunan China
| | - Xiongzhao Zhu
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China.,Mental Health Institute of The Second Xiangya Hospital Key Laboratory of Psychiatry and Mental Health of Hunan Province Central South University Changsha Hunan China
| | - Li Zhang
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China
| | - Yi Zhang
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China
| | - Liang Xue
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China
| | - Yuting Wang
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China
| | - Mingtian Zhong
- Medical Psychological Institute Second Xiangya Hospital Central South University Changsha Hunan China
| | - Xiuwu Zhang
- Department of Radiation Oncology School of Medicine University of Maryland Baltimore MD USA
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Belujon P, Grace AA. Dopamine System Dysregulation in Major Depressive Disorders. Int J Neuropsychopharmacol 2017; 20:1036-1046. [PMID: 29106542 PMCID: PMC5716179 DOI: 10.1093/ijnp/pyx056] [Citation(s) in RCA: 406] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 06/28/2017] [Indexed: 12/21/2022] Open
Abstract
Anhedonia is considered a core feature of major depressive disorder, and the dopamine system plays a pivotal role in the hedonic deficits described in this disorder. Dopaminergic activity is complex and under the regulation of multiple brain structures, including the ventral subiculum of the hippocampus and the basolateral amygdala. Whereas basic and clinical studies demonstrate deficits of the dopaminergic system in depression, the origin of these deficits likely lies in dysregulation of its regulatory afferent circuits. This review explores the current information regarding the afferent modulation of the dopaminergic system and its relevance to major depressive disorder, as well as some of the system-level effects of novel antidepressants such as agomelatine and ketamine.
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Affiliation(s)
- Pauline Belujon
- INSERM, U1084, Poitiers, France (Dr Belujon); University of Poitiers, U1084, Poitiers, France (Dr Belujon); Departments of Neuroscience, Psychiatry and Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Grace),Correspondence: Pauline Belujon, PhD, University of Poitiers, Laboratory of Experimental and Clinical Neurosciences, 1 rue Georges Bonnet, 86073 Poitiers, France ()
| | - Anthony A Grace
- INSERM, U1084, Poitiers, France (Dr Belujon); University of Poitiers, U1084, Poitiers, France (Dr Belujon); Departments of Neuroscience, Psychiatry and Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Grace)
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Kamińska K, Lenda T, Konieczny J, Czarnecka A, Lorenc-Koci E. Depressive-like neurochemical and behavioral markers of Parkinson's disease after 6-OHDA administered unilaterally to the rat medial forebrain bundle. Pharmacol Rep 2017; 69:985-994. [PMID: 28843848 DOI: 10.1016/j.pharep.2017.05.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 05/26/2017] [Accepted: 05/26/2017] [Indexed: 11/18/2022]
Abstract
BACKGROUND Although Parkinson's disease (PD) is characterized by progressive neurodegeneration of multiple neurotransmitter systems, 6-hydroxydopamine (6-OHDA) as a model substance is mainly used to selectively damage the nigrostriatal dopaminergic neurons and induce parkinsonian-like motor disturbances in rats. We hypothesized that high doses of this neurotoxin affecting other monoaminergic systems may also evoke the depressive-like behavior. METHODS The impact of 6-OHDA (8, 12, 16μg/4μl) administered unilaterally into the medial forebrain bundle on the sucrose solution intake (a measure of anhedonia) and on the tissue levels of noradrenaline (NA), dopamine (DA) and serotonin (5-HT) in the striatum (STR), substantia nigra (SN), prefrontal cortex (PFC) and hippocampus (HIP) was examined in rats pretreated or non-pretreated with desipramine. RESULTS The highest dose of 6-OHDA reduced the preference for 3% sucrose solution both in rats without and with desipramine pretreatment. All used doses of 6-OHDA dramatically decreased DA content in the studied brain structures on the ipsilateral side. NA levels were severely decreased in the ipsilateral STR, HIP and PFC of rats non-pretreated with desipramine and to a much lesser extent in those pretreated with desipramine. In the SN, moderate decreases in NA level were found both in rats pretreated and non-pretreated with desipramine. Higher doses of 6-OHDA reduced 5-HT content in the ipsilateral STR, HIP and PFC, but not in the SN, only in rats non-pretreated with desipramine. CONCLUSIONS Administration of the highest dose of 6-OHDA without desipramine pretreatment evoked neurochemical and behavioral changes resembling the advanced PD with coexisting depression.
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Affiliation(s)
- Kinga Kamińska
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, Kraków, Poland
| | - Tomasz Lenda
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, Kraków, Poland
| | - Jolanta Konieczny
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, Kraków, Poland
| | - Anna Czarnecka
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, Kraków, Poland
| | - Elżbieta Lorenc-Koci
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, Kraków, Poland.
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