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Goyal A, Karanovic U, Blaha CD, Lee KH, Shin H, Oh Y. Toward Precise Modeling of Dopamine Release Kinetics: Comparison and Validation of Kinetic Models Using Voltammetry. ACS OMEGA 2024; 9:33563-33573. [PMID: 39130585 PMCID: PMC11307285 DOI: 10.1021/acsomega.4c01322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 07/12/2024] [Accepted: 07/18/2024] [Indexed: 08/13/2024]
Abstract
Dopamine (DA) is a neurotransmitter present within the animal brain that is responsible for a wide range of physiologic functions, including motivation, reward, and movement control. Changes or dysfunction in the dynamics of DA release are thought to play a pivotal role in regulating various physiological and behavioral processes, as well as leading to neuropsychiatric diseases. Therefore, it is of fundamental interest to neuroscientists to understand and accurately model the kinetics that govern dopaminergic neurotransmission. In the past several decades, many mathematical models have been proposed to attempt to capture the biologic parameters that govern dopaminergic kinetics, with each model seeking to improve upon a previous model. In this review, each of these models are derived, and the ability of each model to properly fit two fast-scan cyclic voltammetry (FSCV) data sets will be demonstrated and discussed. The dopamine oxidation current in both FSCV data sets exhibits hang-up and overshoot behaviors, which have traditionally been difficult for mathematical models to capture. We show that more recent models are better able to model DA release that exhibits these behaviors but that no single model is clearly the best. Rather, models should be selected based on their mathematical properties to best fit the FSCV data one is trying to model. Developing such differential equation models to describe the kinetics of DA release from the synapse confers significant applications both for advancing scientific understanding of DA neurotransmission and for advancing clinical ability to treat neuropsychiatric diseases.
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Affiliation(s)
- Abhinav Goyal
- Mayo
Clinic Medical Scientist Training Program, Mayo Clinic, Rochester, Minnesota 55905, United States
- Department
of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Una Karanovic
- Department
of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, United States
- Mayo
Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Charles D. Blaha
- Department
of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Kendall H. Lee
- Department
of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, United States
- Department
of Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Hojin Shin
- Department
of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, United States
- Department
of Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Yoonbae Oh
- Department
of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, United States
- Department
of Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
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Wang C, Sun Y, Xing Y, Liu K, Xu K. Role of electrophysiological activity and interactions of lateral habenula in the development of depression-like behavior in a chronic restraint stress model. Brain Res 2024; 1835:148914. [PMID: 38580047 DOI: 10.1016/j.brainres.2024.148914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/20/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Closed-loop deep brain stimulation (DBS) system offers a promising approach for treatment-resistant depression, but identifying universally accepted electrophysiological biomarkers for closed-loop DBS systems targeting depression is challenging. There is growing evidence suggesting a strong association between the lateral habenula (LHb) and depression. Here, we took LHb as a key target, utilizing multi-site local field potentials (LFPs) to study the acute and chronic changes in electrophysiology, functional connectivity, and brain network characteristics during the formation of a chronic restraint stress (CRS) model. Furthermore, our model combining the electrophysiological changes of LHb and interactions between LHb and other potential targets of depression can effectively distinguish depressive states, offering a new way for developing effective closed-loop DBS strategies.
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Affiliation(s)
- Chang Wang
- Qiushi Academy for Advanced Studies (QAAS), Zhejiang University, Hangzhou, China; Nanhu Brain-computer Interface Institute, Hangzhou 311100,China; Zhejiang Provincial Key Laboratory of Cardio-Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Key Laboratory of Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, China; State Key Lab of Brain-Machine Intelligence, Zhejiang University, Hangzhou, China.
| | - Yuting Sun
- Qiushi Academy for Advanced Studies (QAAS), Zhejiang University, Hangzhou, China; Nanhu Brain-computer Interface Institute, Hangzhou 311100,China; Zhejiang Provincial Key Laboratory of Cardio-Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Key Laboratory of Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, China; State Key Lab of Brain-Machine Intelligence, Zhejiang University, Hangzhou, China.
| | - Yanjie Xing
- Qiushi Academy for Advanced Studies (QAAS), Zhejiang University, Hangzhou, China; Nanhu Brain-computer Interface Institute, Hangzhou 311100,China; Zhejiang Provincial Key Laboratory of Cardio-Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Key Laboratory of Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, China; State Key Lab of Brain-Machine Intelligence, Zhejiang University, Hangzhou, China.
| | - Kezhou Liu
- School of Automation (Artificial Intelligence), Hangzhou Dianzi University, Hangzhou 310018, China.
| | - Kedi Xu
- Qiushi Academy for Advanced Studies (QAAS), Zhejiang University, Hangzhou, China; Nanhu Brain-computer Interface Institute, Hangzhou 311100,China; Zhejiang Provincial Key Laboratory of Cardio-Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Key Laboratory of Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, China; State Key Lab of Brain-Machine Intelligence, Zhejiang University, Hangzhou, China.
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Tan H, Du C, Zhang L, Guo Y, Yang Y, Sun Q, Zhang Q, Li L. Lesions of the lateral habenula excite dopamine neurons in the ventral tegmental area and serotonin neurons in the dorsal raphe nuclei in hemiparkinsonian rats. Brain Res 2024; 1835:148918. [PMID: 38588847 DOI: 10.1016/j.brainres.2024.148918] [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: 01/23/2024] [Revised: 03/20/2024] [Accepted: 04/05/2024] [Indexed: 04/10/2024]
Abstract
The lateral habenula (LHb) projects to the ventral tegmental area (VTA) and dorsal raphe nuclei (DRN) that deliver dopamine (DA) and serotonin (5-HT) to cortical and limbic regions such as the medial prefrontal cortex (mPFC), hippocampus and basolateral amygdala (BLA). Dysfunctions of VTA-related mesocorticolimbic dopaminergic and DRN-related serotonergic systems contribute to non-motor symptoms in Parkinson's disease (PD). However, how the LHb affects the VTA and DRN in PD remains unclear. Here, we used electrophysiological and neurochemical approaches to explore the effects of LHb lesions on the firing activity of VTA and DRN neurons, as well as the levels of DA and 5-HT in related brain regions in unilateral 6-hydroxydopamie (6-OHDA)-induced PD rats. We found that compared to sham lesions, lesions of the LHb increased the firing rate of DA neurons in the VTA and 5-HT neurons in the DRN, but decreased the firing rate of GABAergic neurons in the same nucleus. In addition, lesions of the LHb increased the levels of DA and 5-HT in the mPFC, ventral hippocampus and BLA compared to sham lesions. These findings suggest that lesions of the LHb enhance the activity of mesocorticolimbic dopaminergic and serotonergic systems in PD.
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Affiliation(s)
- Huihui Tan
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Chengxue Du
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Li Zhang
- 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
| | - Yaxin Yang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Qingfeng Sun
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Qiaojun Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China.
| | - Libo Li
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China.
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Cao X, Zhu M, Xu G, Li F, Yan Y, Zhang J, Wang J, Zeng F, Bao Y, Zhang X, Liu T, Zhang D. HCN channels in the lateral habenula regulate pain and comorbid depressive-like behaviors in mice. CNS Neurosci Ther 2024; 30:e14831. [PMID: 38961317 PMCID: PMC11222070 DOI: 10.1111/cns.14831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 06/12/2024] [Accepted: 06/21/2024] [Indexed: 07/05/2024] Open
Abstract
AIMS Comorbid anxiodepressive-like symptoms (CADS) in chronic pain are closely related to the overactivation of the lateral habenula (LHb). Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels have been implicated to play a key role in regulating neuronal excitability. However, the role of HCN channels in the LHb during CADS has not yet been characterized. This study aimed to investigate the effect of HCN channels in the LHb on CADS during chronic pain. METHODS After chronic neuropathic pain induction by spared nerve injury (SNI), mice underwent a sucrose preference test, forced swimming test, tail suspension test, open-field test, and elevated plus maze test to evaluate their anxiodepressive-like behaviors. Electrophysiological recordings, immunohistochemistry, Western blotting, pharmacological experiments, and virus knockdown strategies were used to investigate the underlying mechanisms. RESULTS Evident anxiodepressive-like behaviors were observed 6w after the SNI surgery, accompanied by increased neuronal excitability, enhanced HCN channel function, and increased expression of HCN2 isoforms in the LHb. Either pharmacological inhibition or virus knockdown of HCN2 channels significantly reduced LHb neuronal excitability and ameliorated both pain and depressive-like behaviors. CONCLUSION Our results indicated that the LHb neurons were hyperactive under CADS in chronic pain, and this hyperactivation possibly resulted from the enhanced function of HCN channels and up-regulation of HCN2 isoforms.
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Affiliation(s)
- Xue‐zhong Cao
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Meng‐ye Zhu
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Gang Xu
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Fan Li
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Yi Yan
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Jin‐jin Zhang
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Jianbing Wang
- Department of AnesthesiologyJiangxi Cancer HospitalNanchangJiangxiChina
| | - Fei Zeng
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Yang Bao
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Xue‐xue Zhang
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
| | - Tao Liu
- Department of Pediatricsthe First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiChina
| | - Da‐ying Zhang
- Department of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
- Key Laboratory of Neuropathic Pain, the First Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityHealthcare Commission of Jiangxi ProvinceNanchangJiangxiChina
- Jiangxi Key Laboratory of Pain Medicine, the First Affiliated Hospital, Jiangxi Medical CollegeNanchang UniversityNanchangJiangxiChina
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5
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Flannery JS, Jorgensen NA, Kwon SJ, Prinstein MJ, Telzer EH, Lindquist KA. Developmental Changes in Habenular and Striatal Social Reinforcement Responsivity Across Adolescence Linked With Substance Use. Biol Psychiatry 2023; 94:888-897. [PMID: 37120062 PMCID: PMC10611899 DOI: 10.1016/j.biopsych.2023.04.018] [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: 10/20/2022] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 05/01/2023]
Abstract
BACKGROUND Habenula (HB) function is implicated in substance use disorders and is involved in inhibiting dopamine release in the ventral striatum (VS). While blunted VS reward responsivity is implicated in risk for later substance use, links between HB reinforcement processing and progression of use have not, to our knowledge, been examined among adolescents. In the present study, we longitudinally assessed HB and VS responsivity to social rewards and punishments across adolescence and examined associations with substance use. METHODS Within a longitudinal design, 170 adolescents (53.5% female) completed 1 to 3 functional magnetic resonance imaging scans across 6th to 9th grade and reported yearly substance use across 6th to 11th grade. We examined VS and HB responsivity to social reinforcement during a social incentive delay task in which adolescents received social rewards (smiling faces) and punishments (scowling faces). RESULTS We observed increased VS responsivity to social rewards (vs. reward omissions) and increased VS, but decreased HB, responsivity to social punishment avoidance versus receipt. However, contrary to hypotheses, the HB displayed increased responsivity to social rewards (vs. reward omissions). Further, adolescents reporting regular substance use displayed longitudinally declining HB responsivity to social rewards (vs. reward omissions), whereas adolescents reporting no substance use displayed longitudinally increasing HB responsivity. In contrast, whereas VS responsivity to punishment avoidance versus receipt increased longitudinally among regular substance users, it stayed relatively stable among nonusers. CONCLUSIONS These results suggest that differential HB and VS social reinforcement processing trajectories across adolescence are associated with substance use.
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Affiliation(s)
- Jessica S Flannery
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
| | - Nathan A Jorgensen
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Seh-Joo Kwon
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Mitchell J Prinstein
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Eva H Telzer
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Kristen A Lindquist
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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6
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Pereira AR, Alemi M, Cerqueira-Nunes M, Monteiro C, Galhardo V, Cardoso-Cruz H. Dynamics of Lateral Habenula-Ventral Tegmental Area Microcircuit on Pain-Related Cognitive Dysfunctions. Neurol Int 2023; 15:1303-1319. [PMID: 37987455 PMCID: PMC10660716 DOI: 10.3390/neurolint15040082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/22/2023] Open
Abstract
Chronic pain is a health problem that affects the ability to work and perform other activities, and it generally worsens over time. Understanding the complex pain interaction with brain circuits could help predict which patients are at risk of developing central dysfunctions. Increasing evidence from preclinical and clinical studies suggests that aberrant activity of the lateral habenula (LHb) is associated with depressive symptoms characterized by excessive negative focus, leading to high-level cognitive dysfunctions. The primary output region of the LHb is the ventral tegmental area (VTA), through a bidirectional connection. Recently, there has been growing interest in the complex interactions between the LHb and VTA, particularly regarding their crucial roles in behavior regulation and their potential involvement in the pathological impact of chronic pain on cognitive functions. In this review, we briefly discuss the structural and functional roles of the LHb-VTA microcircuit and their impact on cognition and mood disorders in order to support future studies addressing brain plasticity during chronic pain conditions.
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Affiliation(s)
- Ana Raquel Pereira
- Instituto de Investigação e Inovação em Saúde—Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.R.P.); (M.A.); (M.C.-N.); (C.M.); (V.G.)
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Departamento de Biomedicina—Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Mobina Alemi
- Instituto de Investigação e Inovação em Saúde—Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.R.P.); (M.A.); (M.C.-N.); (C.M.); (V.G.)
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Departamento de Biomedicina—Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Mariana Cerqueira-Nunes
- Instituto de Investigação e Inovação em Saúde—Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.R.P.); (M.A.); (M.C.-N.); (C.M.); (V.G.)
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Departamento de Biomedicina—Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
- Programa Doutoral em Neurociências, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Clara Monteiro
- Instituto de Investigação e Inovação em Saúde—Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.R.P.); (M.A.); (M.C.-N.); (C.M.); (V.G.)
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Departamento de Biomedicina—Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Vasco Galhardo
- Instituto de Investigação e Inovação em Saúde—Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.R.P.); (M.A.); (M.C.-N.); (C.M.); (V.G.)
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Departamento de Biomedicina—Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Helder Cardoso-Cruz
- Instituto de Investigação e Inovação em Saúde—Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.R.P.); (M.A.); (M.C.-N.); (C.M.); (V.G.)
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Departamento de Biomedicina—Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
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Akhoondian M, Rashtiani S, Khakpour-Taleghani B, Rostampour M, Jafari A, Rohampour K. Lateral habenula deep brain stimulation alleviates depression-like behaviors and reverses the oscillatory pattern in the nucleus accumbens in an animal model of depression. Brain Res Bull 2023; 202:110745. [PMID: 37598800 DOI: 10.1016/j.brainresbull.2023.110745] [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: 06/02/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 08/22/2023]
Abstract
Depression is a series of symptoms that influence mood, thinking, and behavior and create unpleasant emotions like hopelessness and apathy. Treatment-resistant depression (TRD) affects 30 % of depression patients despite the availability of several non-invasive therapies. Deep brain stimulation (DBS) is a novel therapy for TRD. The aim of the current study was to evaluate the effect of LHb-DBS by recording local field potentials (LFP) and conducting behavioral experiments. Thirty-two mature male Wistar rats were randomly divided into four groups: control, chronic mild stress (CMS), CMS+DBS, and DBS. After surgery and electrode placement in the lateral habenula (LHb), nucleus accumbens (NAc), and prelimbic cortex (PrL), the CMS protocol was applied for 3 weeks to create depression-like models. The open field test (OFT), sucrose preference test (SPT), and forced swim test (FST) were also performed. In the DBS groups, the LHb area was stimulated for four consecutive days. Finally, on the 22nd day, LFP was recorded from the NAc and PrL and analyzed using MATLAB software. Analyzing the findings using ANOVA and P-values ≤ 0.05 was considered. LHb-DBS alleviated depression-like behaviors in chronic moderate stress model rats (P ≤ 0.05). Three weeks of CMS enhanced almost all band powers in the NAc, while LHb-DBS decreased the power of the theta, alpha, beta, and gamma bands in the NAc (P ≤ 0.05), and the low-gamma band in the PrL. CMS also boosted the NAc-PrL coherence in low-frequency bands, while LHb-DBS increased beta and low gamma band coherence (P ≤ 0.05). In sum, the results of the present study showed that depression enhances low-frequency coherence between NAc and PrL cortex. Depression also potentiates many brain oscillations in the NAc, which can be mainly reversed by LHb-DBS.
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Affiliation(s)
- Mohammad Akhoondian
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Samira Rashtiani
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Behrooz Khakpour-Taleghani
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran; Neuroscience Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | - Mohammad Rostampour
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran; Neuroscience Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | - Adele Jafari
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Kambiz Rohampour
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran; Neuroscience Research Center, Guilan University of Medical Sciences, Rasht, Iran.
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8
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Alemi M, Pereira AR, Cerqueira-Nunes M, Monteiro C, Galhardo V, Cardoso-Cruz H. Role of Glutamatergic Projections from Lateral Habenula to Ventral Tegmental Area in Inflammatory Pain-Related Spatial Working Memory Deficits. Biomedicines 2023; 11:biomedicines11030820. [PMID: 36979799 PMCID: PMC10045719 DOI: 10.3390/biomedicines11030820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/30/2023] Open
Abstract
The lateral habenula (LHb) and the ventral tegmental area (VTA), which form interconnected circuits, have important roles in the crucial control of sensory and cognitive motifs. Signaling in the LHb-VTA pathway can be exacerbated during pain conditions by a hyperactivity of LHb glutamatergic neurons to inhibit local VTA DAergic cells. However, it is still unclear whether and how this circuit is endogenously engaged in pain-related cognitive dysfunctions. To answer this question, we modulated this pathway by expressing halorhodopsin in LHb neurons of adult male rats, and then selectively inhibited the axonal projections from these neurons to the VTA during a working memory (WM) task. Behavioral performance was assessed after the onset of an inflammatory pain model. We evaluated the impact of the inflammatory pain in the VTA synapses by performing immunohistochemical characterization of specific markers for GABAergic (GAD65/67) and dopaminergic neurons (dopamine transporter (DAT), dopamine D2 receptor (D2r) and tyrosine hydroxylase (TH)). Our results revealed that inhibition of LHb terminals in the VTA during the WM delay-period elicits a partial recovery of the performance of pain animals (in higher complexity challenges); this performance was not accompanied by a reduction of nociceptive responses. Finally, we found evidence that the pain-affected animals exhibit VTA structural changes, namely with an upregulation of GAD65/67, and a downregulation of DAT and D2r. These results demonstrate a role of LHb neurons and highlight their responsibility in the stability of the local VTA network, which regulates signaling in frontal areas necessary to support WM processes.
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Affiliation(s)
- Mobina Alemi
- Instituto de Investigação e Inovação em Saúde-Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Faculdade de Medicina, Departamento de Biomedicina-Unidade de Biologia Experimental, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Ana Raquel Pereira
- Instituto de Investigação e Inovação em Saúde-Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Faculdade de Medicina, Departamento de Biomedicina-Unidade de Biologia Experimental, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Mariana Cerqueira-Nunes
- Instituto de Investigação e Inovação em Saúde-Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Faculdade de Medicina, Departamento de Biomedicina-Unidade de Biologia Experimental, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
- Programa Doutoral em Neurociências, Faculdade de Medicina, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Clara Monteiro
- Instituto de Investigação e Inovação em Saúde-Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Faculdade de Medicina, Departamento de Biomedicina-Unidade de Biologia Experimental, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Vasco Galhardo
- Instituto de Investigação e Inovação em Saúde-Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Faculdade de Medicina, Departamento de Biomedicina-Unidade de Biologia Experimental, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Helder Cardoso-Cruz
- Instituto de Investigação e Inovação em Saúde-Pain Neurobiology Group, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- Faculdade de Medicina, Departamento de Biomedicina-Unidade de Biologia Experimental, Universidade do Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
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9
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Duan Y, Tsai PJ, Salmeron BJ, Hu Y, Gu H, Lu H, Cadet JL, Stein EA, Yang Y. Compulsive drug-taking is associated with habenula-frontal cortex connectivity. Proc Natl Acad Sci U S A 2022; 119:e2208867119. [PMID: 36469769 PMCID: PMC9897479 DOI: 10.1073/pnas.2208867119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 10/25/2022] [Indexed: 12/07/2022] Open
Abstract
As a critical node connecting the forebrain with the midbrain, the lateral habenula (LHb) processes negative feedback in response to aversive events and plays an essential role in value-based decision-making. Compulsive drug use, a hallmark of substance use disorder, is attributed to maladaptive decision-making regarding aversive drug-use-related events and has been associated with dysregulation of various frontal-midbrain circuits. To understand the contributions of frontal-habenula-midbrain circuits in the development of drug dependence, we employed a rat model of methamphetamine self-administration (SA) in the presence of concomitant footshock, which has been proposed to model compulsive drug-taking in humans. In this longitudinal study, functional MRI data were collected at pretraining baseline, after 20 d of long-access SA phase, and after 5 d of concomitant footshock coupled with SA (punishment phase). Individual differences in response to punishment were quantified by a "compulsivity index (CI)," defined as drug infusions at the end of punishment phase, normalized by those at the end of SA phase. Functional connectivity of LHb with the frontal cortices and substantia nigra (SN) after the punishment phase was positively correlated with the CI in rats that maintained drug SA despite receiving increasing-intensity footshock. In contrast, functional connectivity of the same circuits was negatively correlated with CI in rats that significantly reduced SA. These findings suggest that individual differences in compulsive drug-taking are reflected by alterations within frontal-LHb-SN circuits after experiencing the negative consequences from SA, suggesting these circuits may serve as unique biomarkers and potential therapeutic targets for individualized treatment of addiction.
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Affiliation(s)
- Ying Duan
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Pei-Jung Tsai
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Betty Jo Salmeron
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Yuzheng Hu
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, Zhejiang310058, P.R. China
| | - Hong Gu
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Hanbing Lu
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Jean Lud Cadet
- Molecular Neuropsychiatry Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Elliot A. Stein
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
| | - Yihong Yang
- Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD21224
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10
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Eskandari K, Fattahi M, Yazdanian H, Haghparast A. Is Deep Brain Stimulation an Effective Treatment for Psychostimulant Dependency? A Preclinical and Clinical Systematic Review. Neurochem Res 2022; 48:1255-1268. [PMID: 36445490 DOI: 10.1007/s11064-022-03818-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 11/30/2022]
Abstract
Addiction to psychostimulants significantly affects public health. Standard medical therapy is often not curative. Deep brain stimulation (DBS) is a promising treatment that has attracted much attention for addiction treatment in recent years. The present review aimed to systematically identify the positive and adverse effects of DBS in human and animal models to evaluate the feasibility of DBS as a treatment for psychostimulant abuse. The current study also examined the possible mechanisms underlying the therapeutic effects of DBS. In February 2022, a comprehensive search of four databases, including Web of Science, PubMed, Cochrane, and Scopus, was carried out to identify all reports that DBS was a treatment for psychostimulant addiction. The selected studies were extracted, summarized, and evaluated using the appropriate methodological quality assessment tools. The results indicated that DBS could reduce relapse and the desire for the drug in human and animal subjects without any severe side effects. The underlying mechanisms of DBS are complex and likely vary from region to region in terms of stimulation parameters and patterns. DBS seems a promising therapeutic option. However, clinical experiences are currently limited to several uncontrolled case reports. Further studies with controlled, double-blind designs are needed. In addition, more research on animals and humans is required to investigate the precise role of DBS and its mechanisms to achieve optimal stimulation parameters and develop new, less invasive methods.
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11
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Durieux L, Herbeaux K, Borcuk C, Hildenbrand C, Andry V, Goumon Y, Barbelivien A, Mathis C, Bataglia D, Majchrzak M, Lecourtier L. Functional brain-wide network mapping during acute stress exposure in rats: Interaction between the lateral habenula and cortical, amygdalar, hypothalamic and monoaminergic regions. Eur J Neurosci 2022; 56:5154-5176. [PMID: 35993349 DOI: 10.1111/ejn.15803] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 05/31/2022] [Accepted: 08/18/2022] [Indexed: 12/14/2022]
Abstract
Upon stress exposure, a broad network of structures comes into play in order to provide adequate responses and restore homeostasis. It has been known for decades that the main structures engaged during the stress response are the medial prefrontal cortex, the amygdala, the hippocampus, the hypothalamus, the monoaminergic systems (noradrenaline, dopamine and serotonin) and the periaqueductal gray. The lateral habenula (LHb) is an epithalamic structure directly connected to prefrontal cortical areas and to the amygdala, whereas it functionally interacts with the hippocampus. Also, it is a main modulator of monoaminergic systems. The LHb is activated upon exposure to basically all types of stressors, suggesting it is also involved in the stress response. However, it remains unknown if and how the LHb functionally interacts with the broad stress response network. In the current study we performed in rats a restraint stress procedure followed by immunohistochemical staining of the c-Fos protein throughout the brain. Using graph theory-based functional connectivity analyses, we confirm the principal hubs of the stress network (e.g., prefrontal cortex, amygdala and periventricular hypothalamus) and show that the LHb is engaged during stress exposure in close interaction with the medial prefrontal cortex, the lateral septum and the medial habenula. In addition, we performed DREADD-induced LHb inactivation during the same restraint paradigm in order to explore its consequences on the stress response network. This last experiment gave contrasting results as the DREADD ligand alone, clozapine-N-oxide, was able to modify the network.
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Affiliation(s)
- Laura Durieux
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Karine Herbeaux
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Christopher Borcuk
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Cécile Hildenbrand
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Virginie Andry
- CNRS UPR3212, Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique, University of Strasbourg, Strasbourg, France.,Mass Spectrometry Facilities of the CNRS UPR3212, Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Yannick Goumon
- CNRS UPR3212, Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique, University of Strasbourg, Strasbourg, France.,Mass Spectrometry Facilities of the CNRS UPR3212, Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Alexandra Barbelivien
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Chantal Mathis
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Demian Bataglia
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France.,University of Strasbourg Institute for Advanced Studies (USIAS), Strasbourg, France.,Université d'Aix-Marseille, Inserm, Institut de Neurosciences des Systèmes (INS) UMR-S 1106, Marseille, France
| | - Monique Majchrzak
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
| | - Lucas Lecourtier
- Université de Strasbourg, CNRS, Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), UMR 7364, Strasbourg, France
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12
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Chen S, Sun X, Zhang Y, Mu Y, Su D. Habenula bibliometrics: Thematic development and research fronts of a resurgent field. Front Integr Neurosci 2022; 16:949162. [PMID: 35990593 PMCID: PMC9382245 DOI: 10.3389/fnint.2022.949162] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/12/2022] [Indexed: 11/19/2022] Open
Abstract
The habenula (Hb) is a small structure of the posterior diencephalon that is highly conserved across vertebrates but nonetheless has attracted relatively little research attention until the past two decades. The resurgent interest is motivated by neurobehavioral studies demonstrating critical functions in a broad spectrum of motivational and cognitive processes, including functions relevant to psychiatric diseases. The Hb is widely conceived as an "anti-reward" center that acts by regulating brain monoaminergic systems. However, there is still no general conceptual framework for habenula research, and no study has focused on uncovering potentially significant but overlooked topics that may advance our understanding of physiological functions or suggest potential clinical applications of Hb-targeted interventions. Using science mapping tools, we quantitatively and qualitatively analyzed the relevant publications retrieved from the Web of Science Core Collection (WoSCC) database from 2002 to 2021. Herein we present an overview of habenula-related publications, reveal primary research trends, and prioritize some key research fronts by complementary bibliometric analysis. High-priority research fronts include Ventral Pallidum, Nucleus Accumbens, Nicotine and MHb, GLT-1, Zebrafish, and GCaMP, Ketamine, Deep Brain Stimulation, and GPR139. The high intrinsic heterogeneity of the Hb, extensive connectivity with both hindbrain and forebrain structures, and emerging associations with all three dimensions of mental disorders (internalizing, externalizing, and psychosis) suggest that the Hb may be the neuronal substrate for a common psychopathology factor shared by all mental illnesses termed the p factor. A future challenge is to explore the therapeutic potential of habenular modulation at circuit, cellular, and molecular levels.
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Affiliation(s)
- Sifan Chen
- Department of Anesthesiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoyu Sun
- Department of Anesthesiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yizhe Zhang
- Department of Anesthesiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Mu
- State Key Laboratory of Neuroscience, Center for Excellence in Brain Science and Intelligence Technology, Institute of Neuroscience, Chinese Academy of Sciences, Shanghai, China
| | - Diansan Su
- Department of Anesthesiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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13
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The role of serotonin neurotransmission in rapid antidepressant actions. Psychopharmacology (Berl) 2022; 239:1823-1838. [PMID: 35333951 DOI: 10.1007/s00213-022-06098-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 02/16/2022] [Indexed: 10/18/2022]
Abstract
RATIONALE Ketamine has rapid antidepressant effects that represent a significant advance in treating depression, but its poor safety and tolerability limit its clinical utility. Accreting evidence suggests that serotonergic neurotransmission participates in the rapid antidepressant effects of ketamine and hallucinogens. Thus, understanding how serotonin contributes to these effects may allow identification of novel rapid antidepressant mechanisms with improved tolerability. OBJECTIVE The goal of this paper is to understand how serotonergic mechanisms participate in rapid antidepressant mechanisms. METHODS We review the relevance of serotonergic neurotransmission for rapid antidepressant effects and evaluate the role of 5-HT1A, 5-HT1B, 5-HT2A, and 5-HT4 receptors in synaptic plasticity, BDNF signaling, and GSK-3β activity. Subsequently, we develop hypotheses on the relationship of these receptor systems to rapid antidepressant effects. RESULTS We found that 5-HT1A and 5-HT1B receptors may participate in ketamine's rapid antidepressant mechanisms, while agonists at 5-HT2A and 5-HT4 receptors may independently behave as rapid antidepressants. 5-HT1A, 5-HT2A, and 5-HT4 receptors increase synaptic plasticity in the cortex or hippocampus but do not consistently increase BDNF signaling. We found that 5-HT1A and 5-HT1B receptors may participate in rapid antidepressant mechanisms as a consequence of increased BDNF signaling, rather than a cause. 5-HT2A and 5-HT4 receptor agonists may increase BDNF signaling, but these relationships are tenuous and need more study. Finally, we found that ketamine and several serotonergic receptor systems may mechanistically converge on reduced GSK-3β activity. CONCLUSIONS We find it plausible that serotonergic neurotransmission participates in rapid antidepressant mechanisms by increasing synaptic plasticity, perhaps through GSK-3β inhibition.
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14
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Dai D, Li W, Chen A, Gao XF, Xiong L. Lateral Habenula and Its Potential Roles in Pain and Related Behaviors. ACS Chem Neurosci 2022; 13:1108-1118. [PMID: 35412792 DOI: 10.1021/acschemneuro.2c00067] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The lateral habenula (LHb) is a tiny structure that acts as a hub, relaying signals from the limbic forebrain structures and basal ganglia to the brainstem modulatory area. Facilitated by updated knowledge and more precise manipulation of circuits, the progress in figuring out the neural circuits and functions of the LHb has increased dramatically over the past decade. Importantly, LHb is found to play an integrative role and has profound effects on a variety of behaviors associated with pain, including depression-like and anxiety-like behaviors, antireward or aversion, aggression, defensive behavior, and substance use disorder. Thus, LHb is a potential target for improving pain management and related disorders. In this review, we focused on the functions, related circuits, and neurotransmissions of the LHb in pain processing and related behaviors. A comprehensive understanding of the relationship between the LHb and pain will help to find new pain treatments.
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Affiliation(s)
- Danqing Dai
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1481, Xinshi North Road, Shanghai 200434, China
- Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
- Department of Anesthesiology and Perioperative Medicine, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
| | - Wanrong Li
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1481, Xinshi North Road, Shanghai 200434, China
- Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
- Department of Anesthesiology and Perioperative Medicine, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
| | - Aiwen Chen
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1481, Xinshi North Road, Shanghai 200434, China
- Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
- Department of Anesthesiology and Perioperative Medicine, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
| | - Xiao-Fei Gao
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1481, Xinshi North Road, Shanghai 200434, China
- Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
- Department of Anesthesiology and Perioperative Medicine, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
| | - Lize Xiong
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1481, Xinshi North Road, Shanghai 200434, China
- Clinical Research Center for Anesthesiology and Perioperative Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
- Department of Anesthesiology and Perioperative Medicine, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, No. 1279, Sanmen Road, Shanghai 200434, China
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15
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Pierucci M, Delicata F, Colangeli R, Marino Gammazza A, Pitruzzella A, Casarrubea M, De Deurwaerdère P, Di Giovanni G. Nicotine modulation of the lateral habenula/ventral tegmental area circuit dynamics: An electrophysiological study in rats. Neuropharmacology 2022; 202:108859. [PMID: 34710468 DOI: 10.1016/j.neuropharm.2021.108859] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 12/14/2022]
Abstract
Nicotine, the addictive component of tobacco, has bivalent rewarding and aversive properties. Recently, the lateral habenula (LHb), a structure that controls ventral tegmental area (VTA) dopamine (DA) function, has attracted attention as it is potentially involved in the aversive properties of drugs of abuse. Hitherto, the LHb-modulation of nicotine-induced VTA neuronal activity in vivo is unknown. Using standard single-extracellular recording in anesthetized rats, we observed that intravenous administration of nicotine hydrogen tartrate (25-800 μg/kg i.v.) caused a dose-dependent increase in the basal firing rate of the LHb neurons of nicotine-naïve rats. This effect underwent complete desensitization in chronic nicotine (6 mg/kg/day for 14 days)-treated animals. As previously reported, acute nicotine induced an increase in the VTA DA neuronal firing rate. Interestingly, only neurons located medially (mVTA) but not laterally (latVTA) within the VTA were responsive to acute nicotine. This pattern of activation was reversed by chronic nicotine exposure which produced the selective increase of latVTA neuronal activity. Acute lesion of the LHb, similarly to chronic nicotine treatment, reversed the pattern of DA cell activation induced by acute nicotine increasing latVTA but not mVTA neuronal activity. Our evidence indicates that LHb plays an important role in mediating the effects of acute and chronic nicotine within the VTA by activating distinct subregional responses of DA neurons. The LHb/VTA modulation might be part of the neural substrate of nicotine aversive properties. By silencing the LHb chronic nicotine could shift the balance of motivational states toward the reward.
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Affiliation(s)
- Massimo Pierucci
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta.
| | - Francis Delicata
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Roberto Colangeli
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Antonella Marino Gammazza
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnosis BIND, University of Palermo, Palermo, Italy
| | - Alessandro Pitruzzella
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnosis BIND, University of Palermo, Palermo, Italy
| | - Maurizio Casarrubea
- Laboratory of Behavioral Physiology, Human Physiology Section Giuseppe Pagano, Department of Biomedicine, Neuroscience and Advanced Diagnosis BIND, University of Palermo, Palermo, Italy
| | - Philippe De Deurwaerdère
- Centre National de la Recherche Scientifique Unité Mixte de Recherche, 5287, Bordeaux Cedex, France
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, UK.
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16
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Aydin S, Yazici ZG, Kilic C, Ercelen Ozozturk B, Kilic FS. An overview of the behavioral, neurobiological and morphological effects of topiramate in rats exposed to chronic unpredictable mild stress. Eur J Pharmacol 2021; 912:174578. [PMID: 34695423 DOI: 10.1016/j.ejphar.2021.174578] [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: 04/27/2021] [Revised: 10/07/2021] [Accepted: 10/18/2021] [Indexed: 10/20/2022]
Abstract
The environmental psychological stress causes depressive disorders. Stress causes many neurobiological, neurodegenerative changes in brain. Topiramate (TPM) is used in the treatment of epilepsy and psychiatric diseases. However, there are conflicting findings that TPM disrupts cognitive functions. We aimed to investigate the effects of TPM on depression, anxiety, learning and memory as well as neurobiological, morphological changes in rats exposed to chronic unpredictable mild stress (CUMS). After CUMS was formed by random application of nine mild stressors for 45 days, TPM (at doses of 0.1, 1, 10, 100 mg/kg) was administered for 21 days. Sucrose preference, locomotor activity, forced swimming, elevated plus maze and Morris water maze tests were performed. Corticosterone, BDNF (Brain-derived neurotrophic factor) and glutamate levels and volumes of hippocampus were evaluated. Body weights of the rats were measured. Immobilization time increased in CUMS, CUMS + TPM0.1 in forced swimming test and time spent in platform quadrant increased in Control + TPM1, CUMS, CUMS + TPM0.1, CUMS + TPM1 in Morris water maze test. Control + TPM1 decreased distance to platform in Morris water maze while CUMS + TPM100 increased. Learning is impaired in CUMS + TPM100 while it is improved in Control + TPM1. BDNF levels increased in CUMS and glutamate levels increased in CUMS, CUMS + TPM10. Body weight decreased in CUMS, CUMS + TPM0.1, CUMS + TPM1, CUMS + TPM100. Hippocampus volumes increased in CUMS. In conclusion, CUMS improved cognition and this finding was supported by the increase of BDNF levels and volume of hippocampus. TPM 1 mg/kg improved cognition in non-stressed rats. TPM 0.1 and 1 mg/kg improved while TPM 100 mg/kg impaired memory in rats exposed to stress.
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Affiliation(s)
- Sule Aydin
- Eskisehir Osmangazi University, Faculty of Medicine, Department of Pharmacology, Meselik Kampusu, Eskisehir, Turkey.
| | - Zeynep Gul Yazici
- Eskisehir Osmangazi University, Faculty of Medicine, Department of Pharmacology, Meselik Kampusu, Eskisehir, Turkey.
| | - Cansu Kilic
- Eskisehir Osmangazi University, Faculty of Medicine, Department of Pharmacology, Meselik Kampusu, Eskisehir, Turkey.
| | | | - Fatma Sultan Kilic
- Eskisehir Osmangazi University, Faculty of Medicine, Department of Pharmacology, Meselik Kampusu, Eskisehir, Turkey.
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17
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The Role of the Lateral Habenula in Inhibitory Learning from Reward Omission. eNeuro 2021; 8:ENEURO.0016-21.2021. [PMID: 33962969 PMCID: PMC8225405 DOI: 10.1523/eneuro.0016-21.2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/26/2021] [Accepted: 03/30/2021] [Indexed: 01/08/2023] Open
Abstract
The lateral habenula (LHb) is a phylogenetically primitive brain structure that plays a key role in learning to inhibit distinct responses to specific stimuli. This structure is activated by primary aversive stimuli, cues predicting an imminent aversive event, unexpected reward omissions, and cues associated with the omission of an expected reward. The most widely described physiological effect of LHb activation is acutely suppressing midbrain dopaminergic signaling. However, recent studies have identified multiple means by which the LHb promotes this effect as well as other mechanisms of action. These findings reveal the complex nature of LHb circuitry. The present paper reviews the role of this structure in learning from reward omission. We approach this topic from the perspective of computational models of behavioral change that account for inhibitory learning to frame key findings. Such findings are drawn from recent behavioral neuroscience studies that use novel brain imaging, stimulation, ablation, and reversible inactivation techniques. Further research and conceptual work are needed to clarify the nature of the mechanisms related to updating motivated behavior in which the LHb is involved. As yet, there is little understanding of whether such mechanisms are parallel or complementary to the well-known modulatory function of the more recently evolved prefrontal cortex.
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18
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Imbalance between dopamine and serotonin caused by neonatal habenula lesion. Behav Brain Res 2021; 409:113316. [PMID: 33901435 DOI: 10.1016/j.bbr.2021.113316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 04/11/2021] [Accepted: 04/20/2021] [Indexed: 12/20/2022]
Abstract
Alterations in dopamine (DA) and serotonin (5-HT) transmission have been implicated in the pathophysiology of attention deficit/hyperactivity disorder (ADHD). We have previously reported that juvenile rats with neonatal habenula lesion (NHL) exhibit an assortment of behavioral alterations resembling ADHD symptoms. In this study, we investigated the impacts of NHL on DA and 5-HT transmission in mesocorticolimbic regions of rats. Male Sprague-Dawley rats with microinjection of ibotenic acid into the habenula at postnatal day (PND) 7 were subjected for a battery of locomotion test, object exploration test and delay discounting test in the juvenile period (PND28-35), followed by DA and 5-HT brain tissue concentration measurements using high-performance liquid chromatography (HPLC). NHL rats exhibited hyperlocomotion, impulsivity, and attention deficits. NHL induced alterations of tissue DA and 5-HT concentrations only in some mesocorticolimbic regions. However, positive correlations, indicating the balance, between DA and 5-HT observed in control (CTR) rats, were more extensively disrupted across mesocorticolimbic regions in NHL rats. Pharmacological manipulations that modulated both DA and 5-HT systems simultaneously with Astragalus membranaceus (AM) and its active compound formononetin (FOR) normalized the NHL-induced DA and 5-HT imbalance in several brain areas, which consequently improved the behavioral alterations. These results suggest that behavioral alterations caused by NHL may be associated with mesocorticolimbic DA/5-HT imbalance. Drug treatments targeting multiple monoamine systems may be useful to improve the NHL-induced changes.
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Doan TH, Sato Y, Matsumoto M, Koganezawa T. Lateral Habenula Regulates Cardiovascular Autonomic Responses via the Serotonergic System in Rats. Front Neurosci 2021; 15:655617. [PMID: 33854416 PMCID: PMC8039147 DOI: 10.3389/fnins.2021.655617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 02/24/2021] [Indexed: 02/06/2023] Open
Abstract
The lateral habenula (LHb) plays essential roles in behavioral responses to stressful events. Stress is tightly linked to autonomic responses such as cardiovascular responses, yet how the LHb regulates these responses is not well understood. To address this issue, we electrically stimulated the LHb in rats, measured its effects on heart rate (HR) and mean arterial pressure (MAP), and investigated the neural circuits that mediate these LHb-induced cardiovascular responses via the autonomic nervous system. We observed that stimulation of the LHb induced bradycardia and pressor responses, whereas stimulation of the adjacent areas changed neither the HR nor the MAP. Bilateral vagotomy and administration of a muscarinic receptor antagonist suppressed the LHb stimulation effect on the HR but not on the MAP, whereas administration of a β-adrenoceptor antagonist partly attenuated the effect on the MAP but not on the HR. Thus, the LHb-induced cardiovascular responses of the HR and the MAP were likely caused by activations of the cardiac parasympathetic nerves and the cardiovascular sympathetic nerves, respectively. Furthermore, administration of a non-selective 5-HT receptor antagonist significantly attenuated the LHb stimulation effects on both the MAP and the HR. A 5-HT2 receptor antagonist also attenuated the LHb stimulation effects. A low dose of a 5-HT1A receptor antagonist enhanced the LHb stimulation effects, but a high dose of the drug attenuated them. 5-HT1B and 5-HT1D receptor antagonists as well as a 5-HT7 receptor antagonist did not affect the LHb stimulation effects. Taken together, our findings suggest that the LHb regulates autonomic cardiovascular responses at least partly through the serotonergic system, particularly via the 5-HT1A and 5-HT2 receptors.
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Affiliation(s)
- Tri Huu Doan
- Department of Physiology, Division of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
- Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan
- Center for Advanced Training in Clinical Simulation, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Yuma Sato
- Department of Physiology, Division of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
- Master’s Program in Medical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan
| | - Masayuki Matsumoto
- Department of Cognitive and Behavioral Neuroscience, Division of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
- Transborder Medical Research Center, University of Tsukuba, Tsukuba, Japan
| | - Tadachika Koganezawa
- Department of Physiology, Division of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
- Transborder Medical Research Center, University of Tsukuba, Tsukuba, Japan
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20
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Casarrubea M, Davies C, Pierucci M, Colangeli R, Deidda G, Santangelo A, Aiello S, Crescimanno G, Di Giovanni G. The impact of chronic daily nicotine exposure and its overnight withdrawal on the structure of anxiety-related behaviors in rats: Role of the lateral habenula. Prog Neuropsychopharmacol Biol Psychiatry 2021; 105:110131. [PMID: 33039434 DOI: 10.1016/j.pnpbp.2020.110131] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/17/2020] [Accepted: 10/04/2020] [Indexed: 01/03/2023]
Abstract
Tobacco smoking is a serious health problem worldwide and a leading cause of mortality. Nicotine, the addictive component of tobacco, affects a range of emotional responses, including anxiety-related behaviors. Although perceived by smokers to be anxiolytic, evidence suggests that smoking increases anxiety and that mood fluctuates with nicotine intake. Thus, nicotine addiction may depend on easing the psychobiological distress caused by its abuse. The lateral habenula (LHb) has been implicated as a neural substrate for acute nicotine-induced anxiety, but its role in anxiety-like behaviors associated with chronic nicotine exposure has not been explored. Here, we assessed the effect of chronic nicotine exposure and its subsequent overnight withdrawal on anxiety-like behavior using both quantitative and multivariate T-pattern analysis in rats tested using the hole-board apparatus. Additionally, we explored the role of the LHb by comparing the behavioral effects of short-term nicotine withdrawal in chronically treated LHb-lesioned rats. Quantitative analysis revealed increased anxiety-like behavior in chronically treated overnight nicotine-deprived rats, as manifested in reduced general and focused exploratory behaviors, which was eased in animals that received nicotine. Quantitative analysis failed to reveal a role of the LHb in overnight nicotine deprivation-induced anxiety. Conversely, T-pattern analysis of behavioral outcomes revealed that chronic nicotine-treated rats still show anxiety-like behavior following nicotine challenge. Moreover, it demonstrated that the LHb lesion induced a stronger anxiolytic-like response to the acute challenge of nicotine in chronically nicotine-exposed animals, implicating the LHb in the anxiogenic effect of chronic nicotine exposure. These data further highlight the LHb as a promising target for smoking cessation therapies and support the importance of T-pattern analysis for behavioral analysis.
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Affiliation(s)
- Maurizio Casarrubea
- Laboratory of Behavioral Physiology, Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Human Physiology Section "Giuseppe Pagano", University of Palermo, Palermo, Italy.
| | - Caitlin Davies
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, UK
| | - Massimo Pierucci
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Roberto Colangeli
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Section of Neuroscience and Cell Biology, Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy
| | - Gabriele Deidda
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | | | - Stefania Aiello
- Laboratory of Behavioral Physiology, Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Human Physiology Section "Giuseppe Pagano", University of Palermo, Palermo, Italy
| | - Giuseppe Crescimanno
- Laboratory of Behavioral Physiology, Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Human Physiology Section "Giuseppe Pagano", University of Palermo, Palermo, Italy
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, UK.
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21
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Nair SG, Smirnov DS, Estabrook MM, Chisholm AD, Silva PR, Neumaier JF. Effect of chemogenetic inhibition of lateral habenula neuronal activity on cocaine- and food-seeking behaviors in the rat. Addict Biol 2021; 26:e12865. [PMID: 31994279 PMCID: PMC10441005 DOI: 10.1111/adb.12865] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/07/2019] [Accepted: 12/01/2019] [Indexed: 01/04/2023]
Abstract
A major problem in the treatment of cocaine addiction is high rates of relapse. Relapse is often provoked by acute reexposure to cocaine-associated cues or to cocaine itself. The lateral habenula (LHb), an epithalamic nucleus, regulates midbrain dopaminergic systems that are known to be involved in cocaine taking and seeking behaviors. However, the role of this nucleus in cocaine self-administration and reinstatement of cocaine seeking has not been entirely parsed out. We used an operant self-administration and reinstatement procedure to explore the effect of Designer Receptors Exclusively Activated by Designer Drug (DREADD)-induced transient inhibition of LHb neurons on cocaine taking and seeking. Firstly, rats were injected with adeno-associated viral vectors expressing hM4 Di (a Gi/o -coupled DREADD) into the LHb, trained to self-administer cocaine (0.75 mg/kg/infusion), and the effect of clozapine-N-oxide (an inert ligand that activates DREADDs) was assessed on cocaine self-administration. Secondly, rats were injected with hM4 Di into the LHb, trained to self-administer cocaine; the operant response was extinguished, and cue- and cocaine priming-induced reinstatement was assessed. Thirdly, we tested the generality of the effect of inhibiting LHb neurons by assessing the effect of this manipulation on food-taking and seeking. hM4 Di -induced inhibition of LHb neurons increased cocaine but not food self-administration. In contrast, this manipulation decreased reinstatement of cocaine, but not food-seeking. Taken together, our data suggest that hM4 Di - induced LHb inhibition specifically mediates taking and seeking behaviors reinforced by cocaine but not by natural reinforcers. Further, our data indicate a dissociation in the role of LHb neurons on cocaine self-administration versus reinstatement of cocaine seeking.
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Affiliation(s)
- Sunila G. Nair
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Sciences, University of Washington, Seattle, WA
| | - Denis S. Smirnov
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Sciences, University of Washington, Seattle, WA
| | - Melissa M. Estabrook
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Sciences, University of Washington, Seattle, WA
| | - Ashlee D. Chisholm
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Sciences, University of Washington, Seattle, WA
| | - Phillip R. Silva
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Sciences, University of Washington, Seattle, WA
| | - John F. Neumaier
- Department of Psychiatry and Behavioral Sciences, Harborview Medical Sciences, University of Washington, Seattle, WA
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22
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The Emerging Role of LHb CaMKII in the Comorbidity of Depressive and Alcohol Use Disorders. Int J Mol Sci 2020; 21:ijms21218123. [PMID: 33143210 PMCID: PMC7663385 DOI: 10.3390/ijms21218123] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/22/2020] [Accepted: 10/26/2020] [Indexed: 01/05/2023] Open
Abstract
Depressive disorders and alcohol use disorders are widespread among the general population and are significant public health and economic burdens. Alcohol use disorders often co-occur with other psychiatric conditions and this dual diagnosis is called comorbidity. Depressive disorders invariably contribute to the development and worsening of alcohol use disorders, and vice versa. The mechanisms underlying these disorders and their comorbidities remain unclear. Recently, interest in the lateral habenula, a small epithalamic brain structure, has increased because it becomes hyperactive in depression and alcohol use disorders, and can inhibit dopamine and serotonin neurons in the midbrain reward center, the hypofunction of which is believed to be a critical contributor to the etiology of depressive disorders and alcohol use disorders as well as their comorbidities. Additionally, calcium/calmodulin-dependent protein kinase II (CaMKII) in the lateral habenula has emerged as a critical player in the etiology of these comorbidities. This review analyzes the interplay of CaMKII signaling in the lateral habenula associated with depressive disorders and alcohol use disorders, in addition to the often-comorbid nature of these disorders. Although most of the CaMKII signaling pathway's core components have been discovered, much remains to be learned about the biochemical events that propagate and link between depression and alcohol abuse. As the field rapidly advances, it is expected that further understanding of the pathology involved will allow for targeted treatments.
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23
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Durieux L, Mathis V, Herbeaux K, Muller M, Barbelivien A, Mathis C, Schlichter R, Hugel S, Majchrzak M, Lecourtier L. Involvement of the lateral habenula in fear memory. Brain Struct Funct 2020; 225:2029-2044. [DOI: 10.1007/s00429-020-02107-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 06/16/2020] [Indexed: 02/07/2023]
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24
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Mathis V, Kenny PJ. From controlled to compulsive drug-taking: The role of the habenula in addiction. Neurosci Biobehav Rev 2019; 106:102-111. [PMID: 29936111 PMCID: PMC9871871 DOI: 10.1016/j.neubiorev.2018.06.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/15/2018] [Accepted: 06/20/2018] [Indexed: 01/27/2023]
Abstract
Addiction is now recognized as a neurobiological and cognitive brain disorder and is generally viewed as a switch from recreational or voluntary to compulsive substance use despite aversive consequences. The habenula, composed of medial (MHb) and lateral (LHb) domains, has been implicated in regulating behavioral flexibility and anxiety-related behaviors and is considered a core component of the brain "anti-reward" system. These functions position the habenula to influence voluntary behaviors. Consistent with this view, emerging evidence points to alterations in habenula activity as important factors to contributing the loss of control over the use of drugs of abuse and the emergence of compulsive drug seeking behaviors. In this review, we will discuss the general functions of the MHb and LHb and describe how these functional properties allow this brain region to promote or suppress volitional behaviors. Then, we highlight mechanisms by which drugs of abuse may alter habenular activity, precipitating the emergence of addiction-relevant behavioral abnormalities.
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Affiliation(s)
- Victor Mathis
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York 10029-6574, USA.
| | - Paul J Kenny
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York 10029-6574, USA.
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25
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Li W, Zuo W, Wu W, Zuo QK, Fu R, Wu L, Zhang H, Ndukwe M, Ye JH. Activation of glycine receptors in the lateral habenula rescues anxiety- and depression-like behaviors associated with alcohol withdrawal and reduces alcohol intake in rats. Neuropharmacology 2019; 157:107688. [PMID: 31254534 PMCID: PMC6677595 DOI: 10.1016/j.neuropharm.2019.107688] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/18/2019] [Accepted: 06/26/2019] [Indexed: 01/03/2023]
Abstract
The lateral habenula (LHb) is activated by a range of aversive states including those related to alcohol withdrawal and has glycine receptors (GlyRs), a sensitive target of alcohol. However, whether GlyRs in the LHb contribute to alcohol-related behaviors is unknown. Here, we report that rats experiencing withdrawal from chronic alcohol consumption showed higher anxiety and sensitivity to stress compared to their alcohol-naïve counterparts. Intra-LHb injection of glycine attenuated these aberrant behaviors and reduced alcohol intake upon alcohol re-access. Glycine's effect was blocked by strychnine, a GlyR antagonist, indicating that it was mediated by strychnine-sensitive GlyRs. Conversely, intra-LHb strychnine elicited anxiety- and depression-like behaviors in Naïve rats but not in withdrawal rats. Additionally, both the frequency and the amplitude of the spontaneous IPSCs were lower in LHb neurons in slices of withdrawal rats compared to naïve rats. Also, there were sporadic strychnine-sensitive synaptic events in some LHb neurons. Bath perfusion of strychnine induced a depolarizing inward current and increased action potential firings in LHb neurons. By contrast, bath perfusion of glycine or sarcosine, a glycine transporter subtype 1 inhibitor, inhibited LHb activity. Collectively, these data reveal that LHb neurons are under the tonic glycine inhibition both in physiological and pathological conditions. Activation of GlyRs reverses LHb hyperactivity, alleviates aberrant behaviors, and reduces alcohol intake, thus highlighting the GlyRs in the LHb as a potential therapeutic target for alcohol-use disorders.
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Affiliation(s)
- Wenting Li
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Wanhong Zuo
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Wei Wu
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Qi Kang Zuo
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Rao Fu
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Liangzhi Wu
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Haifeng Zhang
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Michael Ndukwe
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA
| | - Jiang-Hong Ye
- Department of Anesthesiology, Pharmacology, & Physiology, and Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, 185 South Orange Avenue, Newark, NJ, USA.
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26
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Cui Y, Hu S, Hu H. Lateral Habenular Burst Firing as a Target of the Rapid Antidepressant Effects of Ketamine. Trends Neurosci 2019; 42:179-191. [PMID: 30823984 DOI: 10.1016/j.tins.2018.12.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 10/23/2018] [Accepted: 12/10/2018] [Indexed: 12/28/2022]
Abstract
The revolutionary discovery of the rapid antidepressant ketamine has been a milestone in psychiatry field in the last half century. Unlike conventional antidepressants that often take weeks to months to show efficacy, ketamine causes rapid antidepressant effects, emerging as early as within 1h after administration. However, how ketamine improves mood symptoms so quickly has remained elusive. Here, we first introduce the historical background of ketamine as a rapid antidepressant. We then discuss current hypotheses underlying ketamine's rapid antidepressant effects, with a focus on our latest discovery that ketamine silences NMDAR-dependent burst firing in the 'anti-reward center', the lateral habenula. While ketamine may act on many brain regions, we argue that its rapid antidepressant effects are critically dependent on ketamine's action in the lateral habenula, with this brain region acting as a primary site of action (or one among a few primary nodes). This molecular-, cellular-, and circuit-based mechanism advances our understanding of the etiology of depression and suggests a new conceptual framework for the rapid antidepressant effects of ketamine.
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Affiliation(s)
- Yihui Cui
- Center for Neuroscience and Department of Psychiatry of First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China; NHC and CAMS Key Laboratory of Medical Neurobiology, Mental Health Center, Zhejiang University, Hangzhou 310058, China
| | - Shaohua Hu
- Center for Neuroscience and Department of Psychiatry of First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China; The Key Laboratory of Mental Disorder Management in Zhejiang Province, Brain Research Institute of Zhejiang University, Hangzhou 310003, China
| | - Hailan Hu
- Center for Neuroscience and Department of Psychiatry of First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310000, China; Interdisciplinary Institute of Neuroscience and Technology, Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou 310058, China; NHC and CAMS Key Laboratory of Medical Neurobiology, Mental Health Center, Zhejiang University, Hangzhou 310058, China.
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27
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Thapa R, Donovan CH, Wong SA, Sutherland RJ, Gruber AJ. Lesions of lateral habenula attenuate win-stay but not lose-shift responses in a competitive choice task. Neurosci Lett 2019; 692:159-166. [PMID: 30389419 DOI: 10.1016/j.neulet.2018.10.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 10/04/2018] [Accepted: 10/29/2018] [Indexed: 11/18/2022]
Abstract
Multiple neural systems contribute to choice adaptation following reinforcement. Recent evidence suggests that the lateral habenula (LHb) plays a key role in such adaptations, particularly when reinforcements are worse than expected. Here, we investigated the effects of bilateral LHb lesions on responding in a binary choice task with no discriminatory cues. LHb lesions in rats decreased win-stay responses but surprisingly left lose-shift responses intact. This same dissociated effect was also observed after systemic administration of d-amphetamine in a separate cohort of animals. These results suggest that at least some behavioural responses triggered by reward omission do not depend on an intact LHb.
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Affiliation(s)
- Rajat Thapa
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, 4401 University Dr. W., T1K 3M4, Lethbridge, AB, Canada
| | - Clifford H Donovan
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, 4401 University Dr. W., T1K 3M4, Lethbridge, AB, Canada
| | - Scott A Wong
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, 4401 University Dr. W., T1K 3M4, Lethbridge, AB, Canada
| | - Robert J Sutherland
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, 4401 University Dr. W., T1K 3M4, Lethbridge, AB, Canada
| | - Aaron J Gruber
- Department of Neuroscience, Canadian Centre for Behavioural Neuroscience, University of Lethbridge, 4401 University Dr. W., T1K 3M4, Lethbridge, AB, Canada.
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28
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Klein AK, Purvis EM, Ayala K, Collins L, Krug JT, Mayes MS, Ettenberg A. Activation of 5-HT 1B receptors in the Lateral Habenula attenuates the anxiogenic effects of cocaine. Behav Brain Res 2019; 357-358:1-8. [PMID: 29660439 PMCID: PMC6186203 DOI: 10.1016/j.bbr.2018.04.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/22/2018] [Accepted: 04/11/2018] [Indexed: 01/01/2023]
Abstract
Recent work has implicated the Lateral Habenula (LHb) in the production of anxiogenic and aversive states. It is innervated by all the major monoamine neurotransmitter systems and has projections that have been shown to modulate the activity of both dopaminergic and serotonergic brain regions. Cocaine is a stimulant drug of abuse that potentiates neurotransmission in these monoamine systems and recent research suggests that the drug's behavioral effects may be related in part to its actions within the LHb. The present research was therefore devised to test the hypothesis that alterations in serotonin (5-HT) function within the LHb can affect the behavioral response to cocaine. Male rats were fitted with intracranial guide cannula and trained to traverse a straight alleyway once a day for a 1 mg/kg i.v. injection of cocaine. Intra-LHb pretreatment with the 5-HT1B agonist CP 94,253 (0, 0.1, or 0.25 μg/side) attenuated the development of approach/avoidance "retreat" behaviors known to be a consequence of cocaine's dual rewarding (approach) and anxiogenic (avoidance) properties. This effect was reversed by co-administration of a selective 5-HT1B antagonist, NAS-181 (0.1 μg/side), demonstrating drug specificity at the 5-HT1B receptor. These data suggest that 5-HT1B signaling within the LHb contributes to the anxiogenic effects of cocaine.
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Affiliation(s)
- Adam K Klein
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Erin M Purvis
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Kathy Ayala
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Lisette Collins
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Jacob T Krug
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Matthew S Mayes
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA
| | - Aaron Ettenberg
- Behavioral Pharmacology Laboratory, Department of Psychological and Brain Sciences, University of California, Santa Barbara, CA 93106-9660, USA.
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29
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Browne CA, Hammack R, Lucki I. Dysregulation of the Lateral Habenula in Major Depressive Disorder. Front Synaptic Neurosci 2018; 10:46. [PMID: 30581384 PMCID: PMC6292991 DOI: 10.3389/fnsyn.2018.00046] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 11/22/2018] [Indexed: 12/31/2022] Open
Abstract
Clinical and preclinical evidence implicates hyperexcitability of the lateral habenula (LHb) in the development of psychiatric disorders including major depressive disorder (MDD). This discrete epithalamic nucleus acts as a relay hub linking forebrain limbic structures with midbrain aminergic centers. Central to reward processing, learning and goal directed behavior, the LHb has emerged as a critical regulator of the behaviors that are impaired in depression. Stress-induced activation of the LHb produces depressive- and anxiety-like behaviors, anhedonia and aversion in preclinical studies. Moreover, deep brain stimulation of the LHb in humans has been shown to alleviate chronic unremitting depression in treatment resistant depression. The diverse neurochemical processes arising in the LHb that underscore the emergence and treatment of MDD are considered in this review, including recent optogenetic studies that probe the anatomical connections of the LHb.
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Affiliation(s)
- Caroline A Browne
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Robert Hammack
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Irwin Lucki
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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30
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Song MY, Li CY, Liu XF, Xiao JY, Zhao H. Effect of 17β-oestradiol on T-type calcium channels in the lateral habenula. J Neuroendocrinol 2018; 30:e12629. [PMID: 29917292 DOI: 10.1111/jne.12629] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 06/10/2018] [Accepted: 06/16/2018] [Indexed: 11/27/2022]
Abstract
T-type calcium channels (T-channels) are critical for regulating neuronal excitability. Oestrogen alters neuronal excitability by modulating the expression of T-channels. The lateral habenula (LHb), as a link between the limbic system and midbrain structures, expresses T-channels and ERs. However, little is known about the role of oestrogen with respect to modulating T-channels in the LHb. In the present study, we investigated the distribution of T-channels in 3 LHb subregions (rostral, middle and caudal) in normal female rats. Next, we analysed the influence of 17β-oestradiol (E2 ) on T-channels in the LHb in ovariectomised (OVX) rats (oil and E2 groups) using whole-cell patch clamp recording and a real-time polymerase chain reaction (PCR). In normal rats, the results obtained showed that the peak of T-type calcium current (IT ) was -474.61 ± 48.33 pA and IT density was -29.11 ± 1.93 pA/pF. The IT peak and IT density on LHb neurones gradually decreased across the rostrocaudal axis. The neuronal firing pattern varied depending on the location: burst firing was dominant (53.85%) in the rostral LHb, whereas tonic firing was dominant (79.31%) in the caudal LHb. In OVX rats, real-time PCR analysis revealed that E2 treatment decreased Cav3.3 mRNA expression in the caudal LHb. Patch clamp recording showed that E2 treatment decreased the peak IT and also reduced the low-threshold spikes (LTS) number, amplitude and width of LTS in the caudal LHb. Taken together, the results obtained in the present study suggest that E2 may inhibit T-channel activity by selectively down-regulating Cav3.3 calcium channel in the caudal LHb, leading to reduced the possibility of burst firing.
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Affiliation(s)
- Mei Ying Song
- Neuroscience Research Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Chun Ying Li
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Xiao Feng Liu
- Neuroscience Research Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Jin Yu Xiao
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Hua Zhao
- Neuroscience Research Center, The First Hospital of Jilin University, Changchun, Jilin, China
- Department of Physiology, College of Basic Medical Sciences, Jilin University, Changchun, China
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31
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Kádár E, Varela EV, Aldavert-Vera L, Huguet G, Morgado-Bernal I, Segura-Torres P. Arc protein expression after unilateral intracranial self-stimulation of the medial forebrain bundle is upregulated in specific nuclei of memory-related areas. BMC Neurosci 2018; 19:48. [PMID: 30089460 PMCID: PMC6083502 DOI: 10.1186/s12868-018-0449-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Accepted: 07/31/2018] [Indexed: 12/22/2022] Open
Abstract
Background Intracranial Self-Stimulation (ICSS) of the medial forebrain bundle (MFB) is a deep brain stimulation procedure, which has a powerful enhancement effect on explicit and implicit memory. However, the downstream synaptic plasticity events of MFB-ICSS in memory related areas have not been described thoroughly. This study complements previous work studying the effect of MFB-ICSS on the expression of the activity-regulated cytoskeleton-associated (Arc) protein, which has been widely established as a synaptic plasticity marker. We provide new integrated measurements from memory related regions and take possible regional hemispheric differences into consideration. Results Arc protein expression levels were analyzed 4.5 h after MFB-ICSS by immunohistochemistry in the hippocampus, habenula, and memory related amygdalar and thalamic nuclei, in both the ipsilateral and contralateral hemispheres to the stimulating electrode location. MFB-ICSS was performed using the same paradigm which has previously been shown to facilitate memory. Our findings illustrate that MFB-ICSS upregulates the expression of Arc protein in the oriens and radiatum layers of ipsilateral CA1 and contralateral CA3 hippocampal regions; the hilus bilaterally, the lateral amygdala and dorsolateral thalamic areas as well as the central medial thalamic nucleus. In contrast, the central amygdala, mediodorsal and paraventricular thalamic nuclei, and the habenular complex did not show changes in Arc expression after MFB-ICSS. Conclusions Our results expand our knowledge of which specific memory related areas MFB-ICSS activates and, motivates the definition of three functionally separate groups according to their Arc-related synaptic plasticity response: (1) the hippocampus and dorsolateral thalamic area, (2) the central medial thalamic area and (3) the lateral amygdala. Electronic supplementary material The online version of this article (10.1186/s12868-018-0449-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elisabet Kádár
- Departament de Biologia, Universitat de Girona, 17071, Girona, Spain. .,Department of Biology, Sciences Faculty, University of Girona, C/Mª Aurèlia Capmany 40, Camous Montilivi, 17003, Girona, Spain.
| | - Eva Vico Varela
- Departament de Psicobiologia i de Metodologia de les Ciències de la Salut, Institut de Neurociències, Universitat Autónoma de Barcelona, 08193, Bellaterra, Barcelona, Spain.,Douglas Mental Health University Institute, McGill University, Montreal, QC, H4H 1R3, Canada
| | - Laura Aldavert-Vera
- Departament de Psicobiologia i de Metodologia de les Ciències de la Salut, Institut de Neurociències, Universitat Autónoma de Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Gemma Huguet
- Departament de Biologia, Universitat de Girona, 17071, Girona, Spain
| | - Ignacio Morgado-Bernal
- Departament de Psicobiologia i de Metodologia de les Ciències de la Salut, Institut de Neurociències, Universitat Autónoma de Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Pilar Segura-Torres
- Departament de Psicobiologia i de Metodologia de les Ciències de la Salut, Institut de Neurociències, Universitat Autónoma de Barcelona, 08193, Bellaterra, Barcelona, Spain
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32
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Mathis V, Barbelivien A, Majchrzak M, Mathis C, Cassel JC, Lecourtier L. The Lateral Habenula as a Relay of Cortical Information to Process Working Memory. Cereb Cortex 2018; 27:5485-5495. [PMID: 28334072 DOI: 10.1093/cercor/bhw316] [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: 07/15/2016] [Accepted: 09/19/2016] [Indexed: 11/14/2022] Open
Abstract
Working memory is a cognitive ability allowing the temporary storage of information to solve problems or adjust behavior. While working memory is known to mainly depend on the medial prefrontal cortex (mPFC), very few is known about how cortical information are relayed subcortically. By its connectivity, the lateral habenula (lHb) might act as a subcortical relay for cortical information. Indeed, the lHb receives inputs from several mPFC subregions, and recent findings suggest a role for the lHb in online processing of spatial information, a fundamental aspect of working memory. In rats, in a delayed non-matching to position paradigm, using focal microinjections of the GABAA agonist muscimol we showed that inactivation of the lHb (16 ng in 0.2 µL per side), as well as disconnection between the prelimbic region of the mPFC (mPFC/PrL, 32 ng in 0.4 µL in one hemisphere) and the lHb (16 ng in 0.2 µL in the lHb in the contralateral hemisphere) impaired working memory. The deficits were unlikely to result from motivational or motor deficits as muscimol did not affect reward collection or cue responding latencies, and did not increase the number of omissions. These results show for the first time the implication of the lHb in mPFC-dependent memory processes, likely as a relay of mPFC/PrL information. They also open new perspectives in the understanding of the top-down processing of high-level cognitive functions.
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Affiliation(s)
- Victor Mathis
- Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), Université de Strasbourg, F-67000 Strasbourg, France.,LNCA, UMR 7364, CNRS, F-67000 Strasbourg, France
| | - Alexandra Barbelivien
- Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), Université de Strasbourg, F-67000 Strasbourg, France.,LNCA, UMR 7364, CNRS, F-67000 Strasbourg, France
| | - Monique Majchrzak
- Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), Université de Strasbourg, F-67000 Strasbourg, France.,LNCA, UMR 7364, CNRS, F-67000 Strasbourg, France
| | - Chantal Mathis
- Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), Université de Strasbourg, F-67000 Strasbourg, France.,LNCA, UMR 7364, CNRS, F-67000 Strasbourg, France
| | - Jean-Christophe Cassel
- Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), Université de Strasbourg, F-67000 Strasbourg, France.,LNCA, UMR 7364, CNRS, F-67000 Strasbourg, France
| | - Lucas Lecourtier
- Laboratoire de Neurosciences Cognitives et Adaptatives (LNCA), Université de Strasbourg, F-67000 Strasbourg, France.,LNCA, UMR 7364, CNRS, F-67000 Strasbourg, France
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33
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Seo KH, Jin Y, Jung SY, Lee SH. Comprehensive behavioral analyses of anoctamin1/TMEM16A-conditional knockout mice. Life Sci 2018; 207:323-331. [PMID: 29928889 DOI: 10.1016/j.lfs.2018.06.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 06/07/2018] [Accepted: 06/15/2018] [Indexed: 10/28/2022]
Abstract
AIMS Anoctamin-1 (TMEM16A) is a calcium-activated chloride channel that is involved in numerous physiological conditions. Its role has been identified in electrophysiological and histological studies of genetic knockout animals. Recent cellular localization studies have shown that anoctamin-1 is co-expressed with presynaptic proteins, therefore its role in presynaptic terminals has been suggested. However, behavioral studies are lacking because conventional knockouts of anoctamin-1 are lethal after birth. In this study, we explored the role of anoctamin-1 in presynaptic terminals by analyzing the behavior of mice with conditional knockouts of anoctamin-1 in synapsin1-expressing cells. MAIN METHODS Using a synapsin1-Cre system, we selectively ablated anoctamin-1 in synapsin1 expressing cells. The mice were used in the behavioral experiments when they were between 6 and 9 months of age. KEY FINDINGS The mice with the conditional knockout of anoctamin-1 in synapsin1-expressing cells displayed impaired social behavior. In addition, the mice showed depressive-like behavior and decreased weight. However, these animals displayed normal locomotor activity, cognitive function, and motor coordination. SIGNIFICANCE These results suggested that anoctamin-1 is involved in psychiatric behavior because of its role in the regulation of synaptic transmission in presynaptic terminals.
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Affiliation(s)
- Kyoung Hee Seo
- Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Yeonsun Jin
- Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Sun-Young Jung
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Sung Hoon Lee
- Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea.
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34
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Kumar P, Goer F, Murray L, Dillon DG, Beltzer ML, Cohen AL, Brooks NH, Pizzagalli DA. Impaired reward prediction error encoding and striatal-midbrain connectivity in depression. Neuropsychopharmacology 2018; 43. [PMID: 29540863 PMCID: PMC5983542 DOI: 10.1038/s41386-018-0032-x] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Anhedonia (hyposensitivity to rewards) and negative bias (hypersensitivity to punishments) are core features of major depressive disorder (MDD), which could stem from abnormal reinforcement learning. Emerging evidence highlights blunted reward learning and reward prediction error (RPE) signaling in the striatum in MDD, although inconsistencies exist. Preclinical studies have clarified that ventral tegmental area (VTA) neurons encode RPE and habenular neurons encode punishment prediction error (PPE), which are then transmitted to the striatum and cortex to guide goal-directed behavior. However, few studies have probed striatal activation, and functional connectivity between VTA-striatum and VTA-habenula during reward and punishment learning respectively, in unmedicated MDD. To fill this gap, we acquired fMRI data from 25 unmedicated MDD and 26 healthy individuals during a monetary instrumental learning task and utilized a computational modeling approach to characterize underlying neural correlates of RPE and PPE. Relative to controls, MDD individuals showed impaired reward learning, blunted RPE signal in the striatum and overall reduced VTA-striatal connectivity to feedback. Critically, striatal RPE signal was increasingly blunted with more major depressive episodes (MDEs). No group differences emerged in PPE signals in the habenula and VTA or in connectivity between these regions. However, PPE signals in the habenula correlated positively with number of MDEs. These results highlight impaired reward learning, disrupted RPE signaling in the striatum (particularly among individuals with more lifetime MDEs) as well as reduced VTA-striatal connectivity in MDD. Collectively, these findings highlight reward-related learning deficits in MDD and their underlying pathophysiology.
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Affiliation(s)
- Poornima Kumar
- Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA, USA. .,Department of Psychiatry, Harvard Medical School, Boston, MA, USA.
| | - Franziska Goer
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA
| | - Laura Murray
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA
| | - Daniel G. Dillon
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA ,000000041936754Xgrid.38142.3cDepartment of Psychiatry, Harvard Medical School, Boston, MA USA
| | - Miranda L. Beltzer
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA
| | - Andrew L. Cohen
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA
| | - Nancy H. Brooks
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA
| | - Diego A. Pizzagalli
- 0000 0000 8795 072Xgrid.240206.2Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA USA ,000000041936754Xgrid.38142.3cDepartment of Psychiatry, Harvard Medical School, Boston, MA USA ,0000 0000 8795 072Xgrid.240206.2McLean Imaging Center, McLean Hospital, Belmont, MA USA
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35
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Seo JS, Zhong P, Liu A, Yan Z, Greengard P. Elevation of p11 in lateral habenula mediates depression-like behavior. Mol Psychiatry 2018; 23:1113-1119. [PMID: 28507317 PMCID: PMC5690885 DOI: 10.1038/mp.2017.96] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 03/17/2017] [Accepted: 03/21/2017] [Indexed: 02/08/2023]
Abstract
The lateral habenula (LHb) is a key brain region involved in the pathophysiology of depression. It is activated by stimuli associated with negative experiences and is involved in encoding aversive signals. Hyperactivity of LHb is found in both rodent models of depression and human patients with depression. However, little is known about the underlying molecular mechanisms. Here we show that in LHb neurons, p11, a multifunctional protein implicated in depression, is significantly upregulated by chronic restraint stress. Knockdown of p11 expression in LHb alleviates the stress-induced depression-like behaviors. Moreover, chronic restraint stress induces bursting action potentials in LHb neurons, which are abolished by p11 knockdown. Overexpression of p11 in dopamine D2 receptor-containing LHb neurons of control mice induces depression-like behaviors. These results have identified p11 in LHb as a key molecular determinant regulating negative emotions, which may help to understand the molecular and cellular basis of depression.
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Affiliation(s)
- J-S Seo
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, NY USA
| | - P Zhong
- Department of Physiology and Biophysics, School of Medicine and Biomedical Sciences, State University of New York, Buffalo, NY USA
| | - A Liu
- Department of Physiology and Biophysics, School of Medicine and Biomedical Sciences, State University of New York, Buffalo, NY USA
| | - Z Yan
- Department of Physiology and Biophysics, School of Medicine and Biomedical Sciences, State University of New York, Buffalo, NY USA
| | - P Greengard
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, NY USA
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36
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Benekareddy M, Stachniak TJ, Bruns A, Knoflach F, von Kienlin M, Künnecke B, Ghosh A. Identification of a Corticohabenular Circuit Regulating Socially Directed Behavior. Biol Psychiatry 2018; 83:607-617. [PMID: 29336819 DOI: 10.1016/j.biopsych.2017.10.032] [Citation(s) in RCA: 62] [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] [Received: 03/09/2017] [Revised: 10/11/2017] [Accepted: 10/31/2017] [Indexed: 11/18/2022]
Abstract
BACKGROUND The prefrontal cortex (PFC) has been implicated in the pathophysiology of social dysfunction, but the specific circuit partners mediating PFC function in health and disease are unclear. METHODS The excitatory designer receptor exclusively activated by designer drugs (DREADD) hM3Dq was used to induce PFC activation during social behavior measured in the three-chamber sociability assay (rats/mice). Functional magnetic resonance imaging was combined with hM3Dq-mediated PFC activation to identify novel nodes in the "social brain" in a hypothesis-free manner. In multiplexed DREADD experiments, hM3Dq and the inhibitory KORDi were used to bidirectionally modulate PFC activity and measure social behavior and global functional magnetic resonance imaging signature. To characterize the functional role of specific nodes identified in this functional magnetic resonance imaging screen, we used anterograde and retrograde tracers, optogenetic and DREADD-assisted circuit mapping, and circuit behavioral experiments. RESULTS PFC activation suppressed social behavior and modulated activity in a number of regions involved in emotional behavior. Bidirectional modulation of PFC activity further refined this subset of brain regions and identified the habenula as a node robustly correlated with PFC activity. Furthermore, we showed that the lateral habenula (LHb) receives direct synaptic input from the PFC and that activation of LHb neurons or the PFC inputs to the LHb suppresses social preference. Finally, we demonstrated that LHb inhibition can prevent the social deficits induced by PFC activation. CONCLUSIONS The LHb is thought to provide reward-related contextual information to the mesolimbic reward system known to be involved in social behavior. Thus, PFC projections to the LHb may represent an important part of descending PFC pathways that control social behavior.
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Affiliation(s)
- Madhurima Benekareddy
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Tevye Jason Stachniak
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Andreas Bruns
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Frederic Knoflach
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Markus von Kienlin
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Basil Künnecke
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Anirvan Ghosh
- Neuroscience Discovery, Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland.
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37
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Clemm von Hohenberg C, Weber-Fahr W, Lebhardt P, Ravi N, Braun U, Gass N, Becker R, Sack M, Cosa Linan A, Gerchen MF, Reinwald JR, Oettl LL, Meyer-Lindenberg A, Vollmayr B, Kelsch W, Sartorius A. Lateral habenula perturbation reduces default-mode network connectivity in a rat model of depression. Transl Psychiatry 2018; 8:68. [PMID: 29581421 PMCID: PMC5913319 DOI: 10.1038/s41398-018-0121-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 11/05/2017] [Accepted: 12/30/2017] [Indexed: 01/01/2023] Open
Abstract
Hyperconnectivity of the default-mode network (DMN) is one of the most widely replicated neuroimaging findings in major depressive disorder (MDD). Further, there is growing evidence for a central role of the lateral habenula (LHb) in the pathophysiology of MDD. There is preliminary neuroimaging evidence linking LHb and the DMN, but no causal relationship has been shown to date. We combined optogenetics and functional magnetic resonance imaging (fMRI), to establish a causal relationship, using an animal model of treatment-resistant depression, namely Negative Cognitive State rats. First, an inhibitory light-sensitive ion channel was introduced into the LHb by viral transduction. Subsequently, laser stimulation was performed during fMRI acquisition on a 9.4 Tesla animal scanner. Neural activity and connectivity were assessed, before, during and after laser stimulation. We observed a connectivity decrease in the DMN following laser-induced LHb perturbation. Our data indicate a causal link between LHb downregulation and reduction in DMN connectivity. These findings may advance our mechanistic understanding of LHb inhibition, which had previously been identified as a promising therapeutic principle, especially for treatment-resistant depression.
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Affiliation(s)
- Christian Clemm von Hohenberg
- RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany. .,Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
| | - Wolfgang Weber-Fahr
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Philipp Lebhardt
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Namasivayam Ravi
- 0000 0001 2190 4373grid.7700.0RG Developmental Biology of Psychiatric Disorders, Department of Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Urs Braun
- 0000 0001 2190 4373grid.7700.0Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany ,0000 0001 2190 4373grid.7700.0RG Systems Neuroscience in Psychiatry, Department of Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Natalia Gass
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Robert Becker
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Markus Sack
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Alejandro Cosa Linan
- 0000 0001 2190 4373grid.7700.0Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Martin Fungisai Gerchen
- 0000 0001 2190 4373grid.7700.0Department of Clinical Psychology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Jonathan Rochus Reinwald
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany ,0000 0001 2190 4373grid.7700.0Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Lars-Lennart Oettl
- 0000 0001 2190 4373grid.7700.0RG Developmental Biology of Psychiatric Disorders, Department of Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Andreas Meyer-Lindenberg
- 0000 0001 2190 4373grid.7700.0Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Barbara Vollmayr
- 0000 0001 2190 4373grid.7700.0Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany ,0000 0001 2190 4373grid.7700.0RG Animal Models in Psychiatry, Department of Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Wolfgang Kelsch
- 0000 0001 2190 4373grid.7700.0Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany ,0000 0001 2190 4373grid.7700.0RG Developmental Biology of Psychiatric Disorders, Department of Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Alexander Sartorius
- 0000 0001 2190 4373grid.7700.0RG Translational Imaging, Department of Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany ,0000 0001 2190 4373grid.7700.0Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
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Histamine H3 receptor antagonists ameliorate attention deficit/hyperactivity disorder-like behavioral changes caused by neonatal habenula lesion. Behav Pharmacol 2018; 29:71-78. [DOI: 10.1097/fbp.0000000000000343] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Wagner F, Weiss T, Veh RW. Electrophysiological properties of neurons and synapses in the lateral habenular complex (LHb). Pharmacol Biochem Behav 2017; 162:38-45. [DOI: 10.1016/j.pbb.2017.07.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 06/28/2017] [Accepted: 07/18/2017] [Indexed: 11/26/2022]
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40
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The Lateral Habenula Circuitry: Reward Processing and Cognitive Control. J Neurosci 2017; 36:11482-11488. [PMID: 27911751 DOI: 10.1523/jneurosci.2350-16.2016] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 09/23/2016] [Accepted: 09/26/2016] [Indexed: 12/25/2022] Open
Abstract
There has been a growing interest in understanding the role of the lateral habenula (LHb) in reward processing, affect regulation, and goal-directed behaviors. The LHb gets major inputs from the habenula-projecting globus pallidus and the mPFC, sending its efferents to the dopaminergic VTA and SNc, serotonergic dorsal raphe nuclei, and the GABAergic rostromedial tegmental nucleus. Recent studies have made advances in our understanding of the LHb circuit organization, yet the precise mechanisms of its involvement in complex behaviors are largely unknown. To begin to address this unresolved question, we present here emerging cross-species perspectives with a goal to provide a more refined understanding of the role of the LHb circuits in reward and cognition. We begin by highlighting recent findings from rodent experiments using optogenetics, electrophysiology, molecular, pharmacology, and tracing techniques that reveal diverse neural phenotypes in the LHb circuits that may underlie previously undescribed behavioral functions. We then discuss results from electrophysiological studies in macaques that suggest that the LHb cooperates with the anterior cingulate cortex to monitor action outcomes and signal behavioral adjustment. Finally, we provide an integrated summary of cross-species findings and discuss how further research on the connectivity, neural signaling, and physiology of the LHb circuits can deepen our understanding of the role of the LHb in normal and maladaptive behaviors associated with mental illnesses and drug abuse.
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Role of the lateral habenula in memory through online processing of information. Pharmacol Biochem Behav 2017; 162:69-78. [PMID: 28709783 DOI: 10.1016/j.pbb.2017.07.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/04/2017] [Accepted: 07/10/2017] [Indexed: 11/22/2022]
Abstract
Our memory abilities, whether they involve short-term working memory or long-term episodic or procedural memories, are essential for our well-being, our capacity to adapt to constraints of our environment and survival. Therefore, several key brain regions and neurotransmitter systems are engaged in the processing of sensory information to either maintain such information in working memory so that it will quickly be used, and/or participate in the elaboration and storage of enduring traces useful for longer periods of time. Animal research has recently attracted attention on the lateral habenula which, as shown in rodents and non-human primates, seems to process information stemming in the main regions involved in memory processing, e.g., the medial prefrontal cortex, the hippocampus, the amygdala, the septal region, the basal ganglia, and participates in the control of key memory-related neurotransmitters systems, i.e., dopamine, serotonin, acetylcholine. Recently, the lateral habenula has been involved in working and spatial reference memories, in rodents, likely by participating in online processing of contextual information. In addition, several behavioral studies strongly suggest that it is also involved in the processing of the emotional valance of incoming information in order to adapt to particularly stressful situations. Therefore, the lateral habenula appears like a key region at the interface between cognition and emotion to participate in the selection of appropriate behaviors.
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Ko J. Neuroanatomical Substrates of Rodent Social Behavior: The Medial Prefrontal Cortex and Its Projection Patterns. Front Neural Circuits 2017; 11:41. [PMID: 28659766 PMCID: PMC5468389 DOI: 10.3389/fncir.2017.00041] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 05/29/2017] [Indexed: 12/30/2022] Open
Abstract
Social behavior encompasses a number of distinctive and complex constructs that form the core elements of human imitative culture, mainly represented as either affiliative or antagonistic interactions with conspecifics. Traditionally considered in the realm of psychology, social behavior research has benefited from recent advancements in neuroscience that have accelerated identification of the neural systems, circuits, causative genes and molecular mechanisms that underlie distinct social cognitive traits. In this review article, I summarize recent findings regarding the neuroanatomical substrates of key social behaviors, focusing on results from experiments conducted in rodent models. In particular, I will review the role of the medial prefrontal cortex (mPFC) and downstream subcortical structures in controlling social behavior, and discuss pertinent future research perspectives.
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Affiliation(s)
- Jaewon Ko
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST)Daegu, South Korea
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Batalla A, Homberg JR, Lipina TV, Sescousse G, Luijten M, Ivanova SA, Schellekens AFA, Loonen AJM. The role of the habenula in the transition from reward to misery in substance use and mood disorders. Neurosci Biobehav Rev 2017; 80:276-285. [PMID: 28576510 DOI: 10.1016/j.neubiorev.2017.03.019] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Accepted: 03/14/2017] [Indexed: 12/18/2022]
Abstract
The habenula (Hb) is an evolutionary well-conserved structure located in the epithalamus. The Hb receives inputs from the septum, basal ganglia, hypothalamus, anterior cingulate and medial prefrontal cortex, and projects to several midbrain centers, most importantly the inhibitory rostromedial tegmental nucleus (RMTg) and the excitatory interpeduncular nucleus (IPN), which regulate the activity of midbrain monoaminergic nuclei. The Hb is postulated to play a key role in reward and aversion processing across species, including humans, and to be implicated in the different stages of transition from recreational drug intake to addiction and co-morbid mood disorders. The Hb is divided into two anatomically and functionally distinct nuclei, the lateral (LHb) and the medial (MHb), which are primarily involved in reward-seeking (LHb) and misery-fleeing (MHb) behavior by controlling the RMTg and IPN, respectively. This review provides a neuroanatomical description of the Hb, discusses preclinical and human findings regarding its role in the development of addiction and co-morbid mood disorders, and addresses future directions in this area.
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Affiliation(s)
- Albert Batalla
- Radboud University Medical Center, Department of Psychiatry, Reinier Postlaan 10, 6500 HB, Nijmegen, The Netherlands; Radboud University, Nijmegen Institute for Scientist-Practitioners in Addiction, Toernooiveld 5, 6525 ED, Nijmegen, The Netherlands.
| | - Judith R Homberg
- Radboud University Medical Center, Department of Cognitive Neuroscience, PO Box 9101, 6500 HB, Nijmegen, The Netherlands.
| | - Tatiana V Lipina
- Federal State Budgetary Scientific Institution, Scientific Research Institute of Physiology and Basic Medicine, Timakova 4, 630117, Novosibirsk, Russia; Novosibirsk State University, Pirogova 2, 630090, Novosibirsk, Russia.
| | - Guillaume Sescousse
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, Kapittelweg 29, 6525 EN, Nijmegen, The Netherlands.
| | - Maartje Luijten
- Behavioural Science Institute, Radboud University, Montessorilaan 3, 6525 HR, Nijmegen, The Netherlands.
| | - Svetlana A Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street 4, 634014, Tomsk, Russian Federation; National Research Tomsk Polytechnic University, Lenin Avenue, 30, 634050, Tomsk, Russian Federation.
| | - Arnt F A Schellekens
- Radboud University Medical Center, Department of Psychiatry, Reinier Postlaan 10, 6500 HB, Nijmegen, The Netherlands; Radboud University, Nijmegen Institute for Scientist-Practitioners in Addiction, Toernooiveld 5, 6525 ED, Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, Kapittelweg 29, 6525 EN, Nijmegen, The Netherlands.
| | - Anton J M Loonen
- Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713AV, Groningen, The Netherlands; GGZ Westelijk Noord-Brabant, Hoofdlaan 8, 4661AA, Halsteren, The Netherlands.
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The lateral habenula and the serotonergic system. Pharmacol Biochem Behav 2017; 162:22-28. [PMID: 28528079 DOI: 10.1016/j.pbb.2017.05.007] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 04/10/2017] [Accepted: 05/16/2017] [Indexed: 12/15/2022]
Abstract
The habenula (Hb) is an epithalamic structure differentiated into two nuclear complexes, medial (MHb) and lateral habenula (LHb). After decades of relative neglect, interest in the Hb resurged when it was demonstrated that LHb neurons play a key role in encoding disappointments and expectation of punishments. Consistent with such a role, the LHb has been implicated in a broad array of functions and pathologic conditions, notably in mechanisms of stress and pain, as well as in the pathophysiology of mood disorders. So far, the vast majority of research involving the LHb has focused on its role in regulating midbrain dopamine release. However, the LHb is also robustly interconnected in a reciprocal manner with a set of rostral serotonin (5-HT) nuclei. Thus, there is increasing evidence that the LHb is amply linked to the dorsal (DR) and median raphe nucleus (MnR) by a complex network of parallel topographically organized direct and indirect pathways. Here, we summarize research about the interconnections of the LHb with different subregions of the DR and MnR, as well as findings about 5-HT-dependent modulation of LHb neurons. Finally, we discuss the contribution of distinct LHb-raphe loops to stress and stress-related psychiatric disorders including anxiety and depression.
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Lima LB, Bueno D, Leite F, Souza S, Gonçalves L, Furigo IC, Donato J, Metzger M. Afferent and efferent connections of the interpeduncular nucleus with special reference to circuits involving the habenula and raphe nuclei. J Comp Neurol 2017; 525:2411-2442. [DOI: 10.1002/cne.24217] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 03/13/2017] [Accepted: 03/15/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Leandro B. Lima
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Debora Bueno
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Fernanda Leite
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Stefani Souza
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Luciano Gonçalves
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Isadora C. Furigo
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Jose Donato
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
| | - Martin Metzger
- Department of Physiology & Biophysics; Institute of Biomedical Sciences, University of São Paulo; São Paulo Brazil
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Zapata A, Hwang EK, Lupica CR. Lateral Habenula Involvement in Impulsive Cocaine Seeking. Neuropsychopharmacology 2017; 42:1103-1112. [PMID: 28025973 PMCID: PMC5506796 DOI: 10.1038/npp.2016.286] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 12/13/2016] [Accepted: 12/19/2016] [Indexed: 12/23/2022]
Abstract
The lateral habenula (LHb) is a brain structure receiving inputs from limbic forebrain areas and innervating major midbrain monoaminergic nuclei. Evidence indicates LHb involvement in sleep control, reward-based decision making, avoidance of punishment, and responses to stress. Additional work has established that the LHb mediates negative feedback in response to aversive events. As a hallmark of drug addiction is the inability to limit drug use despite negative consequences, we hypothesize that LHb dysfunction may have a role in the lack of control over drug seeking. Here we examine the effects of LHb inactivation in control over drug seeking in several cocaine self-administration (SA) paradigms in rats. We find that inhibition of the LHb with GABAergic agonists did not alter cocaine SA under progressive ratio or seeking/taking chained reinforcement schedules, or during punishment-induced suppression of cocaine-reinforced responding. In contrast, LHb inhibition increased cocaine seeking when the drug was not available in rats trained to discriminate its presence using an environmental cue. This effect of LHb inhibition was selective for cocaine, as it did not impair responding for sucrose reinforcement. The effect of LHb injection of GABA agonists was mimicked by intra-LHb muscarinic cholinergic (mACh) antagonist injection, and activation of mACh receptors excited a majority of LHb neurons in in vitro electrophysiology experiments. These results indicate that the LHb participates in the suppression of impulsive responding for cocaine through the activation of a cholinergic circuit, and they suggest that LHb dysfunction may contribute to impaired impulse control associated with drug addiction.
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Affiliation(s)
- Agustin Zapata
- Electrophysiology Research Section, Cellular Neurobiology Branch, National Institutes of Health, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, USA
| | - Eun-Kyung Hwang
- Electrophysiology Research Section, Cellular Neurobiology Branch, National Institutes of Health, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, USA
| | - Carl R Lupica
- Electrophysiology Research Section, Cellular Neurobiology Branch, National Institutes of Health, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, USA,Electrophysiology Research Section, Cellular Neurobiology Branch, National Institutes of Health, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD 21224, USA, Tel: +1 443 740 2824, E-mail:
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Wang T, Zhang L, Zhang QJ, Wang Y, Du CX, Sun YN, Zhang J, Lv SX, Chen L, Liu J. Involvement of lateral habenula α1 subunit-containing GABA A receptor-mediated inhibitory transmission in the regulation of depression-related behaviors in experimental Parkinson's disease. Neuropharmacology 2017; 116:399-411. [PMID: 28109827 DOI: 10.1016/j.neuropharm.2017.01.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/27/2016] [Accepted: 01/17/2017] [Indexed: 02/06/2023]
Abstract
The lateral habenula (LHb) plays an important role in the regulation of depression. At present, it is not clear whether GABAA receptor-mediated inhibitory transmission in the LHb is involved in Parkinson's disease (PD)-associated depression. In this study, unilateral 6-hydroxydopamine lesions of the substantia nigra in rats induced depressive-like behaviors and led to hyperactivity of LHb neurons compared to sham-operated rats, which attribute to depletion of dopamine, and decreased synthesis and release of GABA and increased release of glutamate in the LHb. Intra-LHb injection of GABAA receptor agonist muscimol produced antidepressant-like effects, while the injection of GABAA receptor antagonist picrotoxin induced or increased the expression of depressive-like behaviors in sham-operated and the lesioned rats. However, the doses producing these behavioral effects in the lesioned rats were lower than those in sham-operated rats. Intra-LHb injection of muscimol decreased the firing rate of LHb neurons and increased the medial prefrontal cortex serotonin (5-HT) release; conversely, picrotoxin increased the firing rate of the neurons and decreased 5-HT release in two groups of rats. Compared to sham-operated rats, the duration of muscimol and picrotoxin action on the firing rate of the neurons and 5-HT release was prolonged in the lesioned rats. These changes in the lesioned rats were associated with up-regulation of the expression of α1 subunit-containing GABAA receptors and reduction of GABA release in the LHb. Collectively, our findings suggest that degeneration of the nigrostriatal pathway impairs GABAA receptor-mediated inhibitory transmission in the LHb, and the transmission is important for regulating PD-associated depression.
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Affiliation(s)
- Tao Wang
- 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; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education of China, Xi'an 710061, China
| | - Qiao-Jun Zhang
- Department of Rehabilitation Medicine, The Second Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yong Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education of China, Xi'an 710061, China
| | - Cheng-Xue Du
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Yi-Na Sun
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Jin Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Shu-Xuan Lv
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Li Chen
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education of China, Xi'an 710061, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education of China, Xi'an 710061, China.
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Jacinto LR, Mata R, Novais A, Marques F, Sousa N. The habenula as a critical node in chronic stress-related anxiety. Exp Neurol 2016; 289:46-54. [PMID: 27940019 DOI: 10.1016/j.expneurol.2016.12.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 12/02/2016] [Accepted: 12/05/2016] [Indexed: 01/13/2023]
Abstract
The habenula is activated in response to stressful and aversive events, resulting in exploratory inhibition. Although possible mechanisms for habenula activation have been proposed, the effects of chronic stress on the habenular structure have never been studied. Herein, we assessed changes in volume, cell density and dendritic structure of habenular cells after chronic stress exposure using stereological and 3D morphological analysis. This study shows for the first time that there is a hemispherical asymmetry in the medial habenula (MHb) of the adult rat, with the right MHb containing more neurons than its left counterpart. Additionally, it shows that chronic stress induces a bilateral atrophy of both the MHb and the lateral habenula (LHb). This atrophy was accompanied by a reduction of the number of neurons in the right MHb and the number of glial cells in the bilateral LHb, but not by changes in the dendritic arbors of multipolar neurons. Importantly, these structural changes were correlated with elevated levels of serum corticosterone and increased anxious-like behavior in stressed animals. To further assess the role of the habenula in stress-related anxiety, bilateral lesions of the LHb were performed; interestingly, in lesioned animals the chronic stress protocol did not trigger increases in circulating corticosterone or anxious-like behavior. This study highlights the role of the habenula in the stress responses and how its sub-regions are structurally impacted by chronic stress with physiological and behavioral consequences.
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Affiliation(s)
- Luis R Jacinto
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui Mata
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ashley Novais
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Fernanda Marques
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Nuno Sousa
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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Tandon S, Keefe KA, Taha SA. Excitation of lateral habenula neurons as a neural mechanism underlying ethanol-induced conditioned taste aversion. J Physiol 2016; 595:1393-1412. [PMID: 27682823 DOI: 10.1113/jp272994] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 09/23/2016] [Indexed: 12/23/2022] Open
Abstract
KEY POINTS The lateral habenula (LHb) has been implicated in regulation of drug-seeking behaviours through aversion-mediated learning. In this study, we recorded neuronal activity in the LHb of rats during an operant task before and after ethanol-induced conditioned taste aversion (CTA) to saccharin. Ethanol-induced CTA caused significantly higher baseline firing rates in LHb neurons, as well as elevated firing rates in response to cue presentation, lever press and saccharin taste. In a separate cohort of rats, we found that bilateral LHb lesions blocked ethanol-induced CTA. Our results strongly suggest that excitation of LHb neurons is required for ethanol-induced CTA, and point towards a mechanism through which LHb firing may regulate voluntary ethanol consumption. ABSTRACT Ethanol, like other drugs of abuse, has both rewarding and aversive properties. Previous work suggests that sensitivity to ethanol's aversive effects negatively modulates voluntary alcohol intake and thus may be important in vulnerability to developing alcohol use disorders. We previously found that rats with lesions of the lateral habenula (LHb), which is implicated in aversion-mediated learning, show accelerated escalation of voluntary ethanol consumption. To understand neural encoding in the LHb contributing to ethanol-induced aversion, we recorded neural firing in the LHb of freely behaving, water-deprived rats before and after an ethanol-induced (1.5 g kg-1 20% ethanol, i.p.) conditioned taste aversion (CTA) to saccharin taste. Ethanol-induced CTA strongly decreased motivation for saccharin in an operant task to obtain the tastant. Comparison of LHb neural firing before and after CTA induction revealed four main differences in firing properties. First, baseline firing after CTA induction was significantly higher. Second, firing evoked by cues signalling saccharin availability shifted from a pattern of primarily inhibition before CTA to primarily excitation after CTA induction. Third, CTA induction reduced the magnitude of lever press-evoked inhibition. Finally, firing rates were significantly higher during consumption of the devalued saccharin solution after CTA induction. Next, we studied sham- and LHb-lesioned rats in our operant CTA paradigm and found that LHb lesion significantly attenuated CTA effects in the operant task. Our data demonstrate the importance of LHb excitation in regulating expression of ethanol-induced aversion and suggest a mechanism for its role in modulating escalation of voluntary ethanol intake.
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Affiliation(s)
- Shashank Tandon
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT, 84112-5820, USA
| | - Kristen A Keefe
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT, 84112-5820, USA
| | - Sharif A Taha
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT, 84112-5820, USA
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Baker PM, Raynor SA, Francis NT, Mizumori SJY. Lateral habenula integration of proactive and retroactive information mediates behavioral flexibility. Neuroscience 2016; 345:89-98. [PMID: 26876779 DOI: 10.1016/j.neuroscience.2016.02.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 01/19/2016] [Accepted: 02/03/2016] [Indexed: 11/18/2022]
Abstract
The lateral habenula (LHb) is known to play an important role in signaling aversive or adverse events that have happened or are predicted by cues under Pavlovian conditions. In rodents, it is also required for behavioral flexibility when changes in reward outcomes signal that strategies should be changed. It is not known whether the LHb also controls appetitive behaviors when an animal is able to utilize external cues proactively to guide upcoming decisions. In order to test this, male Long-Evans rats were trained to switch between two arms of a figure eight maze based on the tone presented prior to the choice. Importantly, the tones were switched every three to six trials so rats were able establish a response pattern before being required to switch. This caused rats to rely on both proactive (tones) and retroactive information (reward feedback) to guide behavior. Inactivation of the LHb with the GABA agonists baclofen and muscimol impaired overall performance by increasing both errors when the tones are switched (switch errors) as well as on subsequent trials (perseverative errors) indicating that both proactive and retroactive information are utilized by the LHb to guide behavioral flexibility. Once a correct choice was made in a given block, LHb inactivated rats did not make more errors than controls. A control study revealed that the LHb is not required for tone or reward magnitude discrimination per se. These results demonstrate for the first time that the LHb contributes to behavioral flexibility through utilizing both proactive and retroactive information when performing appetitive tasks.
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Affiliation(s)
- P M Baker
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - S A Raynor
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - N T Francis
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - S J Y Mizumori
- Department of Psychology, University of Washington, Seattle, WA, United States.
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