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Tejeda-Martínez AR, Ramos-Molina AR, Brand-Rubalcava PA, Flores-Soto ME. Involvement of serotonergic receptors in depressive processes and their modulation by β-arrestins: A review. Medicine (Baltimore) 2024; 103:e38943. [PMID: 38996114 PMCID: PMC11245247 DOI: 10.1097/md.0000000000038943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/14/2024] Open
Abstract
Over time, several studies have been conducted to demonstrate the functions of the neurotransmitter 5-hydroxytryptamine (5-HT), better known as serotonin. This neurotransmitter is associated with the modulation of various social and physiological behaviors, and its dysregulation has consequences at the behavioral level, leading to various neurophysiological disorders. Disorders such as anxiety, depression, schizophrenia, epilepsy, sexual disorders, and eating disorders, have been closely linked to variations in 5-HT concentrations and modifications in brain structures, including the raphe nuclei (RN), prefrontal cortex, basal ganglia, hippocampus, and hypothalamus, among others. The involvement of β-arrestin proteins has been implicated in the modulation of the serotonergic receptor response, as well as the activation of different signaling pathways related to the serotonergic system, this is particularly relevant in depressive disorders. This review will cover the implications of alterations in 5-HT receptor expression in depressive disorders in one hand and how β-arrestin proteins modulate the response mediated by these receptors in the other hand.
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Affiliation(s)
- Aldo R Tejeda-Martínez
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
| | - Ana R Ramos-Molina
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
| | - Patricia A Brand-Rubalcava
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, México
| | - Mario E Flores-Soto
- Laboratorio de Neurobiología Celular y Molecular, División de Neurociencias, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social, Guadalajara, México
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2
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Binder LB, Rosa PB, de Sousa BM, Chagas LS, Dubljević O, Martineau FS, Mottarlini F, Castany S, Morton L, Krstanović F, Tassinari ID, Choconta JL, Pereira-Santos AR, Weinhard L, Pallegar PN, Vahsen BF, Lepiarz-Raba I, Compagnion AC, Lorente-Picón M. Neuro-immune interactions in health and disease: Insights from FENS-Hertie 2022 Winter School. Eur J Neurosci 2024; 59:1977-1992. [PMID: 38311960 DOI: 10.1111/ejn.16262] [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: 10/04/2023] [Revised: 12/16/2023] [Accepted: 01/07/2024] [Indexed: 02/06/2024]
Abstract
In a great partnership, the Federation of European Neuroscience Societies (FENS) and the Hertie Foundation organized the FENS-Hertie 2022 Winter School on 'Neuro-immune interactions in health and disease'. The school selected 27 PhD students and 13 postdoctoral fellows from 20 countries and involved 14 faculty members experts in the field. The Winter School focused on a rising field of research, the interactions between the nervous and both innate and adaptive immune systems under pathological and physiological conditions. A fine-tuned neuro-immune crosstalk is fundamental for healthy development, while disrupted neuro-immune communication might play a role in neurodegeneration, neuroinflammation and aging. However, much is yet to be understood about the underlying mechanisms of these neuro-immune interactions in the healthy brain and under pathological scenarios. In addition to new findings in this emerging field, novel methodologies and animal models were presented to foment research on neuro-immunology. The FENS-Hertie 2022 Winter School provided an insightful knowledge exchange between students and faculty focusing on the latest discoveries in the biology of neuro-immune interactions while fostering great academic and professional opportunities for early-career neuroscientists from around the world.
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Affiliation(s)
- Luisa B Binder
- Department of Psychiatry and Neuroscience, Faculty of Medicine and CERVO Brain Research Center, Université Laval, Quebec City, Canada
| | - Priscila B Rosa
- Center for Social and Affective Neuroscience (CSAN), Linköping University, Linköping, Sweden
| | - Bárbara M de Sousa
- Institute of Biomedicine (iBiMED), Department of Medical Sciences, Universidade de Aveiro, Aveiro, Portugal
| | - Luana S Chagas
- Department of Neurobiology, Institute of Biology, Fluminense Federal University, Niterói, Brazil
| | - Olga Dubljević
- Department of Neurobiology, Univerzitet u Beogradu Institut za Biološka Istraživanja Siniša Stanković, Institute for Biological Research, Beograd, Republic of Serbia
| | | | - Francesca Mottarlini
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Sílvia Castany
- Center for Social and Affective Neuroscience (CSAN), Linköping University, Linköping, Sweden
| | - Lorena Morton
- Faculty of Medicine, Institute of Inflammation and Neurodegeneration, Otto-von-Guericke University, Magdeburg, Germany
| | - Fran Krstanović
- Faculty of Medicine, Center for Proteomics, University of Rijeka, Rijeka, Croatia
| | - Isadora D Tassinari
- Department of Physiology, Graduate Program in Physiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Jeiny L Choconta
- Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Ana Raquel Pereira-Santos
- Center for Neuroscience and Cell Biology (CNC), CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | | | | | - Björn F Vahsen
- Nuffield Department of Clinical Neurosciences, Oxford Motor Neuron Disease Centre, University of Oxford, John Radcliffe Hospital, Oxford, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK
| | - Izabela Lepiarz-Raba
- BRAINCITY: Centre of Excellence for Neural Plasticity and Brain Disorders, Nencki Institute of Experimental Biology PAS, Warsaw, Poland
| | | | - Marina Lorente-Picón
- Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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3
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Karmakar S, Lal G. Role of Serotonergic System in Regulating Brain Tumor-Associated Neuroinflammatory Responses. Methods Mol Biol 2024; 2761:181-207. [PMID: 38427238 DOI: 10.1007/978-1-0716-3662-6_14] [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] [Indexed: 03/02/2024]
Abstract
Serotonin signaling regulates wide arrays of both neural and extra-neural functions. Serotonin is also found to affect cancer progression directly as well as indirectly by modulating the immune cells. In the brain, serotonin plays a key role in regulating various functions; disturbance of the normal activities of serotonin leads to various mental illnesses, including the neuroinflammatory response in the central nervous system (CNS). The neuroinflammatory response can be initiated in various psychological illnesses and brain cancer. Serotonergic signaling can impact the functions of both glial as well as the immune cells. It can also affect the tumor immune microenvironment and the inflammatory response associated with brain cancers. Apart from this, many drugs used for treatment of psychological illness are known to modulate serotonergic system and can cross the blood-brain barrier. Understanding the role of serotonergic pathways in regulating neuroinflammatory response and brain cancer will provide a new paradigm in modulating the serotonergic components in treating brain cancer and associated inflammation-induced brain damages.
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Affiliation(s)
- Surojit Karmakar
- National Centre for Cell Science (NCCS), SPPU Campus, Ganeshkhind, Pune, Maharashtra, India
| | - Girdhari Lal
- National Centre for Cell Science (NCCS), SPPU Campus, Ganeshkhind, Pune, Maharashtra, India.
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4
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Paola N, Lauriane U, François R, Hélène H. Limited contribution of the of P2X4 receptor to LPS-induced microglial reaction in mice. Purinergic Signal 2023:10.1007/s11302-023-09984-5. [PMID: 38159160 DOI: 10.1007/s11302-023-09984-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 12/12/2023] [Indexed: 01/03/2024] Open
Abstract
Sepsis is life-threatening condition that can trigger long-term neurological sequelae, including cognitive impairment in survivors. The pathogenesis of the so-called sickness behavior is poorly understood, but sepsis-driven neuroinflammation is thought to play a key role. Microglia are the central nervous system resident immune cells and play major roles in the induction and the control of neuroinflammatory processes. Accordingly, we recently demonstrated important microglia reaction, characterized by dramatic microglia transcriptome remodeling, in an experimental model of sepsis. Interfering with microglia pathways thus represents an interesting opportunity to tune microglia reaction towards beneficial outcomes. Purinergic signaling is central to microglia biology and controls key microglia functions. In particular, P2X4 receptors, which are highly permeable to calcium and de novo expressed in reactive microglia, seem to be an interesting target to modulate microglia reaction. Here, we investigated the impact of P2X4 receptors on the LPS-driven microglia transcriptome remodeling. Although we used complementary and sensitive biostatistical approaches, we did not measure significant impact of P2X4 deficiency onto microglia transcriptome either in homeostatic nor reactive condition. Overall, our results revealed that microglia reaction elicited by LPS-mediated sepsis is P2X4 independent and highlights the functional diversity of microglia reaction. These results also promote for the search of disease-specific targets to tune microglia reaction towards beneficial outcomes.
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Affiliation(s)
- Nobili Paola
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, Montpellier, France
- Labex ICST, Montpellier, France
| | - Ulmann Lauriane
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, Montpellier, France
- Labex ICST, Montpellier, France
| | - Rassendren François
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, Montpellier, France
- Labex ICST, Montpellier, France
| | - Hirbec Hélène
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, Montpellier, France.
- Labex ICST, Montpellier, France.
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5
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Gianni G, Pasqualetti M. Wiring and Volume Transmission: An Overview of the Dual Modality for Serotonin Neurotransmission. ACS Chem Neurosci 2023; 14:4093-4104. [PMID: 37966717 DOI: 10.1021/acschemneuro.3c00648] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023] Open
Abstract
Serotonin is a neurotransmitter involved in the modulation of a multitude of physiological and behavioral processes. In spite of the relatively reduced number of serotonin-producing neurons present in the mammalian CNS, a complex long-range projection system provides profuse innervation to the whole brain. Heterogeneity of serotonin receptors, grouped in seven families, and their spatiotemporal expression pattern account for its widespread impact. Although neuronal communication occurs primarily at tiny gaps called synapses, wiring transmission, another mechanism based on extrasynaptic diffusion of neuroactive molecules and referred to as volume transmission, has been described. While wiring transmission is a rapid and specific one-to-one modality of communication, volume transmission is a broader and slower mode in which a single element can simultaneously act on several different targets in a one-to-many mode. Some experimental evidence regarding ultrastructural features, extrasynaptic localization of receptors and transporters, and serotonin-glia interactions collected over the past four decades supports the existence of a serotonergic system of a dual modality of neurotransmission, in which wiring and volume transmission coexist. To date, in spite of the radical difference in the two modalities, limited information is available on the way they are coordinated to mediate the specific activities in which serotonin participates. Understanding how wiring and volume transmission modalities contribute to serotonergic neurotransmission is of utmost relevance for the comprehension of serotonin functions in both physiological and pathological conditions.
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Affiliation(s)
- Giulia Gianni
- Unit of Cell and Developmental Biology, Department of Biology, University of Pisa, 56127 Pisa, Italy
| | - Massimo Pasqualetti
- Unit of Cell and Developmental Biology, Department of Biology, University of Pisa, 56127 Pisa, Italy
- Center for Neuroscience and Cognitive Systems @UniTn, Istituto Italiano di Tecnologia, 38068 Rovereto, Italy
- Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (CISUP), 56126 Pisa, Italy
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Chu CH, Chen JS, Chan YL, Lu WJ, Huang YT, Mao PC, Sze CI, Sun HS. TIAM2S-positive microglia enhance inflammation and neurotoxicity through soluble ICAM-1-mediated immune priming. FASEB J 2023; 37:e23242. [PMID: 37801065 DOI: 10.1096/fj.202300462rr] [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: 03/10/2023] [Revised: 09/05/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
TIAM Rac1-associated GEF 2 short form (TIAM2S) as an oncoprotein alters the immunity of peripheral immune cells to construct an inflammatory tumor microenvironment. However, its role in the activation of microglia, the primary innate immune cells of the brain, and neuroinflammation remains unknown. This study investigated the mechanism underlying TIAM2S shapes immune properties of microglia to facilitate neuron damage. Human microglial clone 3 cell line (HMC3) and human brain samples were applied to determine the presence of TIAM2S in microglia by western blots and double immunostaining. Furthermore, TIAM2S transgenic mice combined with multiple reconstituted primary neuron-glial culture systems and a cytokine array were performed to explore how TIAM2S shaped immune priming of microglia and participated in lipopolysaccharide (LPS)-induced neuron damage. TIAM2S protein was detectable in HMC3 cells and presented in a small portion (~11.1%) of microglia in human brains referred to as TIAM2S-positive microglia. With the property of secreted soluble factor-mediated immune priming, TIAM2S-positive microglia enhanced LPS-induced neuroinflammation and neural damage in vivo and in vitro. The gain- and loss-of-function experiments showed soluble intercellular adhesion molecule-1 (sICAM-1) participated in neurotoxic immune priming of TIAM2S+ microglia. Together, this study demonstrated a novel TIAM2S-positive microglia subpopulation enhances inflammation and neurotoxicity through sICAM-1-mediated immune priming.
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Affiliation(s)
- Chun-Hsien Chu
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jia-Shing Chen
- School of Medicine for International Students, I-Shou University, Kaohsiung, Taiwan
| | - Ya-Ling Chan
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Jen Lu
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Te Huang
- Department of Geriatrics and Gerontology, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Pin-Cheng Mao
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chun-I Sze
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - H Sunny Sun
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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7
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Albertini G, D'Andrea I, Druart M, Béchade C, Nieves-Rivera N, Etienne F, Le Magueresse C, Rebsam A, Heck N, Maroteaux L, Roumier A. Serotonin sensing by microglia conditions the proper development of neuronal circuits and of social and adaptive skills. Mol Psychiatry 2023; 28:2328-2342. [PMID: 37217677 DOI: 10.1038/s41380-023-02048-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 05/24/2023]
Abstract
The proper maturation of emotional and sensory circuits requires fine-tuning of serotonin (5-HT) level during early postnatal development. Consistently, dysfunctions of the serotonergic system have been associated with neurodevelopmental psychiatric diseases, including autism spectrum disorders (ASD). However, the mechanisms underlying the developmental effects of 5-HT remain partially unknown, one obstacle being the action of 5-HT on different cell types. Here, we focused on microglia, which play a role in brain wiring refinement, and we investigated whether the control of these cells by 5-HT is relevant for neurodevelopment and spontaneous behaviors in mice. Since the main 5-HT sensor in microglia is the 5-HT2B receptor subtype, we prevented 5-HT signaling specifically in microglia by conditional invalidation of the Htr2b gene in these cells. We observed that abrogating the serotonergic control of microglia during early postnatal development affects the phagolysosomal compartment of these cells and their proximity to dendritic spines and perturbs neuronal circuits maturation. Furthermore, this early ablation of microglial 5-HT2B receptors leads to adult hyperactivity in a novel environment and behavioral defects in sociability and flexibility. Importantly, we show that these behavioral alterations result from a developmental effect, since they are not observed when microglial Htr2b invalidation is induced later, at P30 onward. Thus, a primary alteration of 5-HT sensing in microglia, during a critical time window between birth and P30, is sufficient to impair social and flexibility skills. This link between 5-HT and microglia may explain the association between serotonergic dysfunctions and behavioral traits like impaired sociability and inadaptability to novelty, which are prominent in psychiatric disorders such as ASD.
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Affiliation(s)
- Giulia Albertini
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
| | - Ivana D'Andrea
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
| | - Mélanie Druart
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
| | - Catherine Béchade
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
| | | | - Fanny Etienne
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
| | | | - Alexandra Rebsam
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, F-75012, Paris, France
| | - Nicolas Heck
- Sorbonne Université, CNRS, INSERM, Neurosciences Paris Seine, Institut de Biologie Paris Seine, F-75005, Paris, France
| | - Luc Maroteaux
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France
| | - Anne Roumier
- Sorbonne Université, INSERM, Institut du Fer à Moulin, F-75005, Paris, France.
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VanderZwaag J, Halvorson T, Dolhan K, Šimončičová E, Ben-Azu B, Tremblay MÈ. The Missing Piece? A Case for Microglia's Prominent Role in the Therapeutic Action of Anesthetics, Ketamine, and Psychedelics. Neurochem Res 2023; 48:1129-1166. [PMID: 36327017 DOI: 10.1007/s11064-022-03772-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 08/25/2022] [Accepted: 09/27/2022] [Indexed: 11/06/2022]
Abstract
There is much excitement surrounding recent research of promising, mechanistically novel psychotherapeutics - psychedelic, anesthetic, and dissociative agents - as they have demonstrated surprising efficacy in treating central nervous system (CNS) disorders, such as mood disorders and addiction. However, the mechanisms by which these drugs provide such profound psychological benefits are still to be fully elucidated. Microglia, the CNS's resident innate immune cells, are emerging as a cellular target for psychiatric disorders because of their critical role in regulating neuroplasticity and the inflammatory environment of the brain. The following paper is a review of recent literature surrounding these neuropharmacological therapies and their demonstrated or hypothesized interactions with microglia. Through investigating the mechanism of action of psychedelics, such as psilocybin and lysergic acid diethylamide, ketamine, and propofol, we demonstrate a largely under-investigated role for microglia in much of the emerging research surrounding these pharmacological agents. Among others, we detail sigma-1 receptors, serotonergic and γ-aminobutyric acid signalling, and tryptophan metabolism as pathways through which these agents modulate microglial phagocytic activity and inflammatory mediator release, inducing their therapeutic effects. The current review includes a discussion on future directions in the field of microglial pharmacology and covers bidirectional implications of microglia and these novel pharmacological agents in aging and age-related disease, glial cell heterogeneity, and state-of-the-art methodologies in microglial research.
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Affiliation(s)
- Jared VanderZwaag
- Neuroscience Graduate Program, University of Victoria, Victoria, BC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Torin Halvorson
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- Department of Surgery, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
- BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Kira Dolhan
- Department of Psychology, University of Victoria, Vancouver, BC, Canada
- Department of Biology, University of Victoria, Vancouver, BC, Canada
| | - Eva Šimončičová
- Neuroscience Graduate Program, University of Victoria, Victoria, BC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Benneth Ben-Azu
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Marie-Ève Tremblay
- Neuroscience Graduate Program, University of Victoria, Victoria, BC, Canada.
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada.
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada.
- Axe Neurosciences, Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC, Canada.
- Neurology and Neurosurgery Department, McGill University, Montreal, QC, Canada.
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada.
- Centre for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, BC, Canada.
- Institute for Aging and Lifelong Health, University of Victoria, Victoria, BC, Canada.
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9
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Bokobza C, Jacquens A, Guenoun D, Bianco B, Galland A, Pispisa M, Cruz A, Zinni M, Faivre V, Roumier A, Lebon S, Vitalis T, Csaba Z, Le Charpentier T, Schwendimann L, Young-Ten P, Degos V, Monteiro P, Dournaud P, Gressens P, Van Steenwinckel J. Targeting the brain 5-HT7 receptor to prevent hypomyelination in a rodent model of perinatal white matter injuries. J Neural Transm (Vienna) 2023; 130:281-297. [PMID: 36335540 PMCID: PMC10033587 DOI: 10.1007/s00702-022-02556-8] [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: 07/08/2022] [Accepted: 10/19/2022] [Indexed: 11/07/2022]
Abstract
Approximately 15 million babies are born prematurely every year and many will face lifetime motor and/or cognitive deficits. Children born prematurely are at higher risk of developing perinatal brain lesions, especially white matter injuries (WMI). Evidence in humans and rodents demonstrates that systemic inflammation-induced neuroinflammation, including microglial and astrocyte reactivity, is the prominent processes of WMI associated with preterm birth. Thus, a new challenge in the field of perinatal brain injuries is to develop new neuroprotective strategies to target neuroinflammation to prevent WMI. Serotonin (5-HT) and its receptors play an important role in inflammation, and emerging evidence indicates that 5-HT may regulate brain inflammation by the modulation of microglial reactivity and astrocyte functions. The present study is based on a mouse model of WMI induced by intraperitoneal (i.p.) injections of IL-1β during the first 5 days of life. In this model, certain key lesions of preterm brain injuries can be summarized by (i) systemic inflammation, (ii) pro-inflammatory microglial and astrocyte activation, and (iii) inhibition of oligodendrocyte maturation, leading to hypomyelination. We demonstrate that Htr7 mRNA (coding for the HTR7/5-HT7 receptor) is significantly overexpressed in the anterior cortex of IL-1β-exposed animals, suggesting it as a potential therapeutic target. LP-211 is a specific high-affinity HTR7 agonist that crosses the blood-brain barrier (BBB). When co-injected with IL-1β, LP-211 treatment prevented glial reactivity, the down-regulation of myelin-associated proteins, and the apparition of anxiety-like phenotypes. Thus, HTR7 may represent an innovative therapeutic target to protect the developing brain from preterm brain injuries.
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Affiliation(s)
- Cindy Bokobza
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France.
| | - Alice Jacquens
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
- Department of Anesthesia and Critical Care, APHP-Sorbonne University, Hôpital La Pitié- Salpêtrière, Paris, France
| | - David Guenoun
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
- Department of Pharmacy, APHP, Hôpital Robert Debré, Université de Paris, Paris, France
| | - Blandine Bianco
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Anne Galland
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Maxime Pispisa
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Alexandra Cruz
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
| | - Manuela Zinni
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Valérie Faivre
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Anne Roumier
- Sorbonne Université, Inserm, UMR-S 1270, Paris, France
| | - Sophie Lebon
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Tania Vitalis
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Zsolt Csaba
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | | | | | | | - Vincent Degos
- Department of Anesthesia and Critical Care, APHP-Sorbonne University, Hôpital La Pitié- Salpêtrière, Paris, France
| | - Patricia Monteiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
| | - Pascal Dournaud
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
| | - Pierre Gressens
- Université Paris Cité, Inserm, NeuroDiderot, 75019, Paris, France
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10
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Antidepressants as a potential candidate to reduce microglia activation in neurodegenerative diseases. A systematic review and meta-analysis of preclinical studies. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2023. [DOI: 10.1016/j.jadr.2023.100465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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11
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The Role of Oxytocin in Abnormal Brain Development: Effect on Glial Cells and Neuroinflammation. Cells 2022; 11:cells11233899. [PMID: 36497156 PMCID: PMC9740972 DOI: 10.3390/cells11233899] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/07/2022] Open
Abstract
The neonatal period is critical for brain development and determinant for long-term brain trajectory. Yet, this time concurs with a sensitivity and risk for numerous brain injuries following perinatal complications such as preterm birth. Brain injury in premature infants leads to a complex amalgam of primary destructive diseases and secondary maturational and trophic disturbances and, as a consequence, to long-term neurocognitive and behavioral problems. Neuroinflammation is an important common factor in these complications, which contributes to the adverse effects on brain development. Mediating this inflammatory response forms a key therapeutic target in protecting the vulnerable developing brain when complications arise. The neuropeptide oxytocin (OT) plays an important role in the perinatal period, and its importance for lactation and social bonding in early life are well-recognized. Yet, novel functions of OT for the developing brain are increasingly emerging. In particular, OT seems able to modulate glial activity in neuroinflammatory states, but the exact mechanisms underlying this connection are largely unknown. The current review provides an overview of the oxytocinergic system and its early life development across rodent and human. Moreover, we cover the most up-to-date understanding of the role of OT in neonatal brain development and the potential neuroprotective effects it holds when adverse neural events arise in association with neuroinflammation. A detailed assessment of the underlying mechanisms between OT treatment and astrocyte and microglia reactivity is given, as well as a focus on the amygdala, a brain region of crucial importance for socio-emotional behavior, particularly in infants born preterm.
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Ceasrine AM, Devlin BA, Bolton JL, Green LA, Jo YC, Huynh C, Patrick B, Washington K, Sanchez CL, Joo F, Campos-Salazar AB, Lockshin ER, Kuhn C, Murphy SK, Simmons LA, Bilbo SD. Maternal diet disrupts the placenta-brain axis in a sex-specific manner. Nat Metab 2022; 4:1732-1745. [PMID: 36443520 PMCID: PMC10507630 DOI: 10.1038/s42255-022-00693-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/17/2022] [Indexed: 11/30/2022]
Abstract
High maternal weight is associated with detrimental outcomes in offspring, including increased susceptibility to neurological disorders such as anxiety, depression and communicative disorders. Despite widespread acknowledgement of sex biases in the development of these disorders, few studies have investigated potential sex-biased mechanisms underlying disorder susceptibility. Here, we show that a maternal high-fat diet causes endotoxin accumulation in fetal tissue, and subsequent perinatal inflammation contributes to sex-specific behavioural outcomes in offspring. In male offspring exposed to a maternal high-fat diet, increased macrophage Toll-like receptor 4 signalling results in excess microglial phagocytosis of serotonin (5-HT) neurons in the developing dorsal raphe nucleus, decreasing 5-HT bioavailability in the fetal and adult brains. Bulk sequencing from a large cohort of matched first-trimester human samples reveals sex-specific transcriptome-wide changes in placental and brain tissue in response to maternal triglyceride accumulation (a proxy for dietary fat content). Further, fetal brain 5-HT levels decrease as placental triglycerides increase in male mice and male human samples. These findings uncover a microglia-dependent mechanism through which maternal diet can impact offspring susceptibility for neuropsychiatric disorder development in a sex-specific manner.
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Affiliation(s)
- Alexis M Ceasrine
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Benjamin A Devlin
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Jessica L Bolton
- Neuroscience Institute, Georgia State University, Atlanta, GA, USA
| | - Lauren A Green
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Young Chan Jo
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Carolyn Huynh
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Bailey Patrick
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Kamryn Washington
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Cristina L Sanchez
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC, USA
| | - Faith Joo
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | | | - Elana R Lockshin
- Department of Neurobiology, Duke University Medical Center, Durham, NC, USA
| | - Cynthia Kuhn
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC, USA
| | - Susan K Murphy
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
| | - Leigh Ann Simmons
- Department of Human Ecology, Perinatal Origins of Disparities Center, University of California, Davis, Davis, CA, USA
| | - Staci D Bilbo
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA.
- Department of Neurobiology, Duke University Medical Center, Durham, NC, USA.
- Massachusetts General Hospital, Boston, MA, USA.
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Fluoxetine inhibited the activation of A1 reactive astrocyte in a mouse model of major depressive disorder through astrocytic 5-HT2BR/β-arrestin2 pathway. J Neuroinflammation 2022; 19:23. [PMID: 35093099 PMCID: PMC8800238 DOI: 10.1186/s12974-022-02389-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 01/17/2022] [Indexed: 02/08/2023] Open
Abstract
Abstract
Background
Fluoxetine, a selective serotonin reuptake inhibitor, has been reported to directly bind with 5-HT2B receptor (5-HT2BR), but the precise mechanisms, whereby fluoxetine confers the anti-depressive actions via 5-HT2BR is not fully understood. Although neuroinflammation-induced A1 astrocytes are involved in neurodegenerative diseases, the role of A1 astrocyte in the pathogenesis and treatment of major depressive disorder (MDD) remains unclear.
Methods
Mice were subjected to chronic mild stress (CMS) for 6 weeks and subsequently treated with fluoxetine for 4 weeks. The depressive-like and anxiety-like behaviors and the activation of A1 reactive astrocyte in hippocampus and cortex of mice were measured. Primary astrocytes were stimulated with A1 cocktail (tumor necrosis factor (TNF)-α, interleukin (IL)-1α and C1q), activated (LPS) microglia-conditioned medium (MCM) or IL-6 for 24 h and the expression of A1-special and A2-special markers were determined using RT-qPCR and western blot. The role of 5-HT2BR in the effects of fluoxetine on A1 reactive astrocyte was measured using 5-HT2BR inhibitor and siRNA in vitro and AAVs in vivo. The functions of downstream signaling Gq protein and β-arrestins in the effects of fluoxetine on the activation of A1 astrocyte were determined using pharmacological inhibitor and genetic knockout, respectively.
Results
In this study, we found that fluoxetine inhibited the activation of A1 reactive astrocyte and reduced the abnormal behaviors in CMS mice, as well as ameliorated A1 astrocyte reactivity under three different stimulators in primary astrocytes. We also showed that astrocytic 5-HT2BR was required in the inhibitory effects of fluoxetine on A1 reactive astrocyte in MDD in vivo and in vitro. We further found that the functions of fluoxetine in the activation of A1 astrocyte were independent of either Gq protein or β-arrestin1 in vitro. β-arrestin2 pathway was the downstream signaling of astrocytic 5-HT2BR mediated the inhibitory effects of fluoxetine on A1 astrocyte reactivity in primary astrocytes and CMS mice, as well as the improved roles of fluoxetine in behavioral impairments of CMS mice.
Conclusions
These data demonstrate that fluoxetine restricts reactive A1 astrocyte via astrocytic 5-HT2BR/β-arrestin2 pathway in a mouse model of MDD and provide a novel therapeutic avenue for MDD.
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von Linstow CU, Waider J, Bergh MSS, Anzalone M, Madsen C, Nicolau AB, Wirenfeldt M, Lesch KP, Finsen B. The Combined Effects of Amyloidosis and Serotonin Deficiency by Tryptophan Hydroxylase-2 Knockout Impacts Viability of the APP/PS1 Mouse Model of Alzheimer’s Disease. J Alzheimers Dis 2021; 85:1283-1300. [DOI: 10.3233/jad-210581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background: A decline of brain serotonin (5-HT) is held responsible for the changes in mood that can be observed in Alzheimer’s disease (AD). However, 5-HT’ergic signaling is also suggested to reduce the production of pathogenic amyloid-4β (Aβ). Objective: To investigate the effect of targeted inactivation of tryptophan hydroxylase-2 (Tph2), which is essential for neuronal 5-HT synthesis, on amyloidosis in amyloid precursor protein (APP)swe/presenilin 1 (PS1) ΔE9 transgenic mice. Methods: Triple-transgenic (3xTg) APP/PS1 mice with partial (+/-) or complete Tph2 knockout (–/–) were allowed to survive until 6 months old with APP/PS1, Tph2–/–, and wildtype mice. Survival and weight were recorded. Levels of Aβ 42/40/38, soluble APPα (sAβPPα) and sAβPPβ, and cytokines were analyzed by mesoscale, neurotransmitters by mass spectrometry, and gene expression by quantitative PCR. Tph2, microglia, and Aβ were visualized histologically. Results: Tph2 inactivation in APP/PS1 mice significantly reduced viability, without impacting soluble and insoluble Aβ 42 and Aβ 40 in neocortex and hippocampus, and with only mild changes of soluble Aβ 42/Aβ 40. However, sAβPPα and sAβPPβ in hippocampus and Aβ 38 and Aβ 40 in cerebrospinal fluid were reduced. 3xTg–/–mice were devoid of Tph2 immunopositive fibers and 5-HT. Cytokines were unaffected by genotype, as were neocortical TNF, HTR2a and HTR2b mRNA levels in Tph2–/– mice. Microglia clustered around Aβ plaques regardless of genotype. Conclusion: The results suggest that Tph2 inactivation influences AβPP processing, at least in the hippocampus, although levels of Aβ are unchanged. The reduced viability of 3xTg–/–mice could indicate that 5-HT protects against the seizures that can impact the viability of APP/PS1 mice.
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Affiliation(s)
- Christian Ulrich von Linstow
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense C, Denmark
- Center for Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
| | - Jonas Waider
- Division of Molecular Psychiatry, Center of Mental Health, University of Wuerzburg, Würzburg, Germany
| | - Marianne Skov-Skov Bergh
- Section for Drug Abuse Research, Department of Forensic Sciences, Division of Laboratory Medicine, Oslo University Hospital, Oslo, Norway
| | - Marco Anzalone
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense C, Denmark
- BRIDGE - Brain Research-Inter-Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense C, Denmark
| | - Cecilie Madsen
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense C, Denmark
- BRIDGE - Brain Research-Inter-Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense C, Denmark
| | - Aina Battle Nicolau
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense C, Denmark
| | - Martin Wirenfeldt
- BRIDGE - Brain Research-Inter-Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense C, Denmark
- Department of Pathology, Institute of Clinical Science, Odense University Hospital, Denmark
| | - Klaus-Peter Lesch
- Division of Molecular Psychiatry, Center of Mental Health, University of Wuerzburg, Würzburg, Germany
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
- Department of Neuropsychology and Psychiatry, School for Mental Health and Neuroscience (MHeNS), Maastricht University, Maastricht, The Netherlands
| | - Bente Finsen
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense C, Denmark
- BRIDGE - Brain Research-Inter-Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense C, Denmark
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Giniatullin R. 5-hydroxytryptamine in migraine: The puzzling role of ionotropic 5-HT 3 receptor in the context of established therapeutic effect of metabotropic 5-HT 1 subtypes. Br J Pharmacol 2021; 179:400-415. [PMID: 34643938 DOI: 10.1111/bph.15710] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/16/2022] Open
Abstract
5-hydroxytryptamine (5-HT; serotonin) is traditionally considered as a key mediator implicated in migraine. Multiple 5-HT receptor subtypes contribute to a variety of region-specific functional effects. The raphé nuclei control nociceptive inputs by releasing 5-HT in the brainstem, whereas dural mast cells provide the humoral source of 5-HT in the meninges. Triptans (5-HT1B/D agonists) and ditans (5-HT1F agonists) are the best established 5-HT anti-migraine agents. However, activation of meningeal afferents via ionotropic 5-HT3 receptors results in long-lasting excitatory drive suggesting a pro-nociceptive role for these receptors in migraine. Nevertheless, clinical data do not clearly support the applicability of currently available 5-HT3 antagonists to migraine treatment. The reasons for this might be the presence of 5-HT3 receptors on inhibitory interneurons dampening the excitatory drive, a lack of 5-HT3 A-E subunit-selective antagonists and gender/age-dependent effects. This review is focusing on the controversial role of 5-HT3 receptors in migraine pathology and related pharmacological perspectives of 5-HT ligands.
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Affiliation(s)
- Rashid Giniatullin
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland.,Laboratory of Neurobiology, Kazan Federal University, Kazan, Russia
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Turkin A, Tuchina O, Klempin F. Microglia Function on Precursor Cells in the Adult Hippocampus and Their Responsiveness to Serotonin Signaling. Front Cell Dev Biol 2021; 9:665739. [PMID: 34109176 PMCID: PMC8182052 DOI: 10.3389/fcell.2021.665739] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/12/2021] [Indexed: 12/18/2022] Open
Abstract
Microglia are the resident immune cells of the adult brain that become activated in response to pathogen- or damage-associated stimuli. The acute inflammatory response to injury, stress, or infection comprises the release of cytokines and phagocytosis of damaged cells. Accumulating evidence indicates chronic microglia-mediated inflammation in diseases of the central nervous system, most notably neurodegenerative disorders, that is associated with disease progression. To understand microglia function in pathology, knowledge of microglia communication with their surroundings during normal state and the release of neurotrophins and growth factors in order to maintain homeostasis of neural circuits is of importance. Recent evidence shows that microglia interact with serotonin, the neurotransmitter crucially involved in adult neurogenesis, and known for its role in antidepressant action. In this chapter, we illustrate how microglia contribute to neuroplasticity of the hippocampus and interact with local factors, e.g., BDNF, and external stimuli that promote neurogenesis. We summarize the recent findings on the role of various receptors in microglia-mediated neurotransmission and particularly focus on microglia’s response to serotonin signaling. We review microglia function in neuroinflammation and neurodegeneration and discuss their novel role in antidepressant mechanisms. This synopsis sheds light on microglia in healthy brain and pathology that involves serotonin and may be a potential therapeutic model by which microglia play a crucial role in the maintenance of mood.
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Affiliation(s)
- Andrei Turkin
- School of Life Sciences, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Oksana Tuchina
- School of Life Sciences, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Friederike Klempin
- Department of Psychiatry and Psychotherapy, Charité University Medicine Berlin, Berlin, Germany
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Melnikov M, Sviridova A, Rogovskii V, Oleskin A, Boziki M, Bakirtzis C, Kesidou E, Grigoriadis N, Boykо A. Serotoninergic system targeting in multiple sclerosis: the prospective for pathogenetic therapy. Mult Scler Relat Disord 2021; 51:102888. [PMID: 33756440 DOI: 10.1016/j.msard.2021.102888] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 02/07/2023]
Abstract
Serotonin (5-hydroxytryptamine) (5-HT) is a neurotransmitter, which mediates neuropsychological functions of the central nervous system (CNS). Recent studies have shown the modulatory effect of 5-HT on gut microbiota functions, which play an essential role in developing CNS inflammatory diseases. Finally, 5-HT is a direct mediator of neuroimmune interaction. The article reviews the literature data on the role of 5-HT in the regulation of neuroinflammation in multiple sclerosis (MS). The influence of 5-HT and selective serotonin reuptake inhibitors (SSRIs) on experimental autoimmune encephalomyelitis (EAE) and MS pathogenesis, as well as the therapeutic potential of serotoninergic drugs as a pathogenetic therapy of MS, are discussed.
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Affiliation(s)
- Mikhail Melnikov
- Department of Neuroimmunology, Federal Center of Brain research and Neurotechnology of the Federal Medical-Biological Agency of Russia; Department of Neurology, Neurosurgery and Medical Genetics and Department of Molecular Pharmacology and Radiobiology, Pirogov Russian National Research Medical University, Moscow, Russia; Laboratory of Clinical Immunology, National Research Center Institute of Immunology of the Federal Medical-Biological Agency of Russia, Moscow, Russia.
| | - Anastasiya Sviridova
- Department of Neuroimmunology, Federal Center of Brain research and Neurotechnology of the Federal Medical-Biological Agency of Russia; Department of Neurology, Neurosurgery and Medical Genetics and Department of Molecular Pharmacology and Radiobiology, Pirogov Russian National Research Medical University, Moscow, Russia
| | - Vladimir Rogovskii
- Department of Neuroimmunology, Federal Center of Brain research and Neurotechnology of the Federal Medical-Biological Agency of Russia; Department of Neurology, Neurosurgery and Medical Genetics and Department of Molecular Pharmacology and Radiobiology, Pirogov Russian National Research Medical University, Moscow, Russia
| | - Alexander Oleskin
- General Ecology and Hydrobiology Department, School of Biology, Moscow State University, Moscow, Russia
| | - Marina Boziki
- 2nd Neurological University Department, Aristotle University of Thessaloniki, AHEPA General Hospital, Thessaloniki, Greece
| | - Christos Bakirtzis
- 2nd Neurological University Department, Aristotle University of Thessaloniki, AHEPA General Hospital, Thessaloniki, Greece
| | - Evangelia Kesidou
- 2nd Neurological University Department, Aristotle University of Thessaloniki, AHEPA General Hospital, Thessaloniki, Greece
| | - Nikolaos Grigoriadis
- 2nd Neurological University Department, Aristotle University of Thessaloniki, AHEPA General Hospital, Thessaloniki, Greece
| | - Alexey Boykо
- Department of Neuroimmunology, Federal Center of Brain research and Neurotechnology of the Federal Medical-Biological Agency of Russia; Department of Neurology, Neurosurgery and Medical Genetics and Department of Molecular Pharmacology and Radiobiology, Pirogov Russian National Research Medical University, Moscow, Russia
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Wang Q, Zhou Y, Huang J, Huang N. Structure, Function, and Pharmaceutical Ligands of 5-Hydroxytryptamine 2B Receptor. Pharmaceuticals (Basel) 2021; 14:76. [PMID: 33498477 PMCID: PMC7909583 DOI: 10.3390/ph14020076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/18/2021] [Accepted: 01/19/2021] [Indexed: 12/13/2022] Open
Abstract
Since the first characterization of the 5-hydroxytryptamine 2B receptor (5-HT2BR) in 1992, significant progress has been made in 5-HT2BR research. Herein, we summarize the biological function, structure, and small-molecule pharmaceutical ligands of the 5-HT2BR. Emerging evidence has suggested that the 5-HT2BR is implicated in the regulation of the cardiovascular system, fibrosis disorders, cancer, the gastrointestinal (GI) tract, and the nervous system. Eight crystal complex structures of the 5-HT2BR bound with different ligands provided great insights into ligand recognition, activation mechanism, and biased signaling. Numerous 5-HT2BR antagonists have been discovered and developed, and several of them have advanced to clinical trials. It is expected that the novel 5-HT2BR antagonists with high potency and selectivity will lead to the development of first-in-class drugs in various therapeutic areas.
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Affiliation(s)
- Qing Wang
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China; (Q.W.); (J.H.)
- National Institute of Biological Sciences, No. 7 Science Park Road, Zhongguancun Life Science Park, Beijing 102206, China;
| | - Yu Zhou
- National Institute of Biological Sciences, No. 7 Science Park Road, Zhongguancun Life Science Park, Beijing 102206, China;
| | - Jianhui Huang
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China; (Q.W.); (J.H.)
| | - Niu Huang
- National Institute of Biological Sciences, No. 7 Science Park Road, Zhongguancun Life Science Park, Beijing 102206, China;
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 102206, China
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