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Wang B, Zhao T, Chen XX, Zhu YY, Lu X, Qian QH, Chen HR, Meng XH, Wang H, Wei W, Xu DX. Gestational 1-nitropyrene exposure causes anxiety-like behavior partially by altering hippocampal epigenetic reprogramming of synaptic plasticity in male adult offspring. JOURNAL OF HAZARDOUS MATERIALS 2023; 453:131427. [PMID: 37080034 DOI: 10.1016/j.jhazmat.2023.131427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 05/03/2023]
Abstract
1-Nitropyrene (1-NP), a typical nitro-polycyclic aromatic hydrocarbon, is a developmental toxicant. This study was to evaluate gestational 1-NP-induced anxiety-like behavior in male adult offspring. Pregnant mice were orally administered to 1-NP daily throughout pregnancy. Anxiety-like behaviors, as determined by Elevated Plus-Maze (EPM) and Open-Field Test (OFT), were showed in male adult offspring whose mothers were exposed to 1-NP. Gestational 1-NP exposure reduced dendritic arborization, dendritic length and dendritic spine density in ventral hippocampus of male adult offspring. Additional experiments showed that gephyrin, an inhibitory synaptic marker, was reduced in fetal forebrain and hippocampus in male adult offspring. Nrg1 and Erbb4, two gephyrin-related genes, were reduced in 1-NP-exposed fetuses. Accordingly, 5hmC contents in two CpG sites (32008909 and 32009239) of Nrg1 gene and three CpG sites (69107743, 69107866 and 69107899) of Erbb4 gene were decreased in 1-NP-exposed fetuses. Mechanistically, ten-eleven translocation (TET) activity and alpha-ketoglutarate (α-KG) content were decreased in 1-NP-exposed fetal forebrain. Supplementation with α-KG alleviated 1-NP-induced downregulation of gephyrin-related genes, prevented hippocampal synaptic damage, and improved anxiety-like behavior in male adult offspring. These results indicate that early-life 1-NP exposure causes anxiety-like behavior in male adulthood partially by altering hippocampal epigenetic reprogramming of synaptic plasticity.
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Affiliation(s)
- Bo Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Ting Zhao
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Xiao-Xi Chen
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Yan-Yan Zhu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Xue Lu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Qing-Hua Qian
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Hui-Ru Chen
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Xiu-Hong Meng
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Wei Wei
- Key Laboratory of Anti-inflammatory & Immune Medicine, Education Ministry of China, Anhui Medical University, Hefei 230032, China.
| | - De-Xiang Xu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China.
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Johannesen KM, Iqbal S, Guazzi M, Mohammadi NA, Pérez-Palma E, Schaefer E, De Saint Martin A, Abiwarde MT, McTague A, Pons R, Piton A, Kurian MA, Ambegaonkar G, Firth H, Sanchis-Juan A, Deprez M, Jansen K, De Waele L, Briltra EH, Verbeek NE, van Kempen M, Fazeli W, Striano P, Zara F, Visser G, Braakman HMH, Haeusler M, Elbracht M, Vaher U, Smol T, Lemke JR, Platzer K, Kennedy J, Klein KM, Au PYB, Smyth K, Kaplan J, Thomas M, Dewenter MK, Dinopoulos A, Campbell AJ, Lal D, Lederer D, Liao VWY, Ahring PK, Møller RS, Gardella E. Structural mapping of GABRB3 variants reveals genotype-phenotype correlations. Genet Med 2022; 24:681-693. [PMID: 34906499 DOI: 10.1016/j.gim.2021.11.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 09/30/2021] [Accepted: 11/05/2021] [Indexed: 12/27/2022] Open
Abstract
PURPOSE Pathogenic variants in GABRB3 have been associated with a spectrum of phenotypes from severe developmental disorders and epileptic encephalopathies to milder epilepsy syndromes and mild intellectual disability (ID). In this study, we analyzed a large cohort of individuals with GABRB3 variants to deepen the phenotypic understanding and investigate genotype-phenotype correlations. METHODS Through an international collaboration, we analyzed electro-clinical data of unpublished individuals with variants in GABRB3, and we reviewed previously published cases. All missense variants were mapped onto the 3-dimensional structure of the GABRB3 subunit, and clinical phenotypes associated with the different key structural domains were investigated. RESULTS We characterized 71 individuals with GABRB3 variants, including 22 novel subjects, expressing a wide spectrum of phenotypes. Interestingly, phenotypes correlated with structural locations of the variants. Generalized epilepsy, with a median age at onset of 12 months, and mild-to-moderate ID were associated with variants in the extracellular domain. Focal epilepsy with earlier onset (median: age 4 months) and severe ID were associated with variants in both the pore-lining helical transmembrane domain and the extracellular domain. CONCLUSION These genotype-phenotype correlations will aid the genetic counseling and treatment of individuals affected by GABRB3-related disorders. Future studies may reveal whether functional differences underlie the phenotypic differences.
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Affiliation(s)
- Katrine M Johannesen
- Department of Epilepsy Genetics and Personalized Treatment, The Danish Epilepsy Centre "Filadelfia", Dianalund, Denmark; Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Sumaiya Iqbal
- The Center for the Development of Therapeutics (CDOT), Broad Institute of MIT and Harvard, Cambridge, MA; Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA; Analytic & Translational Genetics Unit (ATGU), Department of Medicine, Massachusetts General Hospital, Boston, MA
| | - Milena Guazzi
- Department of Medicine, University of Genoa, Genoa, Italy; Department of Clinical Neurophysiology, The Danish Epilepsy Centre "Filadelfia", Dianalund, Denmark
| | - Nazanin A Mohammadi
- Department of Epilepsy Genetics and Personalized Treatment, The Danish Epilepsy Centre "Filadelfia", Dianalund, Denmark; Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Eduardo Pérez-Palma
- Centro de Genética y Genómica, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
| | - Elise Schaefer
- Service de Génétique Médicale, Institut de Génétique Médicale d'Alsace, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Anne De Saint Martin
- Department of Pediatric Neurology, Strasbourg University Hospital, Strasbourg, France
| | | | - Amy McTague
- Molecular Neurosciences, Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, London, United Kingdom; Department of Neurology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Roser Pons
- First Department of Pediatrics, "I Agia Sofia" Children Hospital, National & Kapodistrian University of Athens, Athens, Greece
| | - Amelie Piton
- Laboratoire de diagnostic génétique, Hôpital Civil, CHRU de Strasburg, Strasbourg, France
| | - Manju A Kurian
- Molecular Neurosciences, Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, London, United Kingdom; Department of Neurology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Gautam Ambegaonkar
- Department of Paediatric Neurology, Child Development Centre, Addenbrookes Hospital, Cambridge, United Kingdom
| | - Helen Firth
- Department of Clinical Genetics, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Alba Sanchis-Juan
- NIHR BioResource, Department of Haematology, University of Cambridge, United Kingdom
| | - Marie Deprez
- CNRS, IPMC, Université Côte d'Azur, Sophia-Antipolis, France
| | - Katrien Jansen
- Department of Pediatric Neurology, University Hospitals KU Leuven, Leuven, Belgium
| | - Liesbeth De Waele
- Department of Pediatric Neurology, University Hospitals KU Leuven, Leuven, Belgium; Department of Development and Regeneration, Kulak Kortrijk Campus, Kortrijk, Belgium
| | - Eva H Briltra
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Nienke E Verbeek
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Marjan van Kempen
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Walid Fazeli
- Department of Pediatric Neurology, University Hospital Bonn, Bonn, Germany
| | - Pasquale Striano
- IRCCS Giannina Gaslini Institute, Genova, Italy; Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Federico Zara
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy; Laboratory of Neurogenetics and Neuroscience, IRCCS Giannina Gaslini Institute, Genova, Italy
| | - Gerhard Visser
- Stichting Epilepsie Instellingen Nederland (SEIN), Hoofddorp, The Netherlands
| | - Hilde M H Braakman
- Department of Pediatric Neurology, Amalia Children's Hospital, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Neurology, Academic Center for Epileptology Kempenhaeghe & Maastricht University Medical Center, Heeze, The Netherlands
| | - Martin Haeusler
- Division of Neuropediatrics and Social Pediatrics, Department of Pediatrics, University Hospital RWTH Aachen, Aachen, Germany
| | - Miriam Elbracht
- Institute of Human Genetics, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Ulvi Vaher
- Children's Clinic of Tartu University Hospital, Tartu, Estonia; ERN EpiCARE, Tartu, Estonia
| | - Thomas Smol
- Institut de Genetique Medicale, CHU Lille, Universite de Lille, Lille, France
| | - Johannes R Lemke
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Konrad Platzer
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Joanna Kennedy
- Clinical Genetics Service, University Hospitals Bristol NHS Foundation Trust, St Michael's Hospital, Bristol, United Kingdom
| | - Karl Martin Klein
- Department of Clinical Neurosciences, Hotchkiss Brain Institute & Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Medical Genetics, Hotchkiss Brain Institute & Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, Hotchkiss Brain Institute & Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Epilepsy Center Frankfurt Rhine-Main, Department of Neurology, Center of Neurology and Neurosurgery, University Hospital, Goethe-University Frankfurt, Frankfurt, Germany; Center for Personalized Translational Epilepsy Research (CePTER), Goethe University Frankfurt, Frankfurt, Germany
| | - Ping Yee Billie Au
- Department of Medical Genetics, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Kimberly Smyth
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Julie Kaplan
- Division of Medical Genetics, Nemours A.I. duPont Hospital for Children, Wilmington, DE
| | - Morgan Thomas
- Precision Medicine/Genetic Testing Stewardship Program, Nemours A.I. duPont Hospital for Children, Wilmington, DE
| | - Malin K Dewenter
- Institute of Human Genetics, Universitätsmedizin, Johannes Gutenberg-University, Mainz Institut für Humangenetik, Mainz, Germany
| | - Argirios Dinopoulos
- Third Department of Pediatrics, Attiko University Hospital, University of Athens, Haidari, Greece
| | - Arthur J Campbell
- The Center for the Development of Therapeutics (CDOT), Broad Institute of MIT and Harvard, Cambridge, MA; Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA
| | - Dennis Lal
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA; Genomic Medicine Institute, Cleveland Clinic Lerner Research Institute, Cleveland, OH; Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH; Cologne Center for Genomics (CCG), University of Cologne, Cologne, Germany
| | - Damien Lederer
- Centre de Génétique Humaine, Institut de Pathologie et de Génétique, Charleroi, Belgium
| | - Vivian W Y Liao
- Brain and Mind Centre, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Philip K Ahring
- Brain and Mind Centre, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Rikke S Møller
- Department of Epilepsy Genetics and Personalized Treatment, The Danish Epilepsy Centre "Filadelfia", Dianalund, Denmark; Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Elena Gardella
- Department of Epilepsy Genetics and Personalized Treatment, The Danish Epilepsy Centre "Filadelfia", Dianalund, Denmark; Department of Regional Health Research, University of Southern Denmark, Odense, Denmark; Department of Medicine, University of Genoa, Genoa, Italy; Department of Clinical Neurophysiology, The Danish Epilepsy Centre "Filadelfia", Dianalund, Denmark.
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Righes Marafiga J, Vendramin Pasquetti M, Calcagnotto ME. GABAergic interneurons in epilepsy: More than a simple change in inhibition. Epilepsy Behav 2021; 121:106935. [PMID: 32035792 DOI: 10.1016/j.yebeh.2020.106935] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 12/20/2022]
Abstract
The pathophysiology of epilepsy has been historically grounded on hyperexcitability attributed to the oversimplified imbalance between excitation (E) and inhibition (I) in the brain. The decreased inhibition is mostly attributed to deficits in gamma-aminobutyric acid-containing (GABAergic) interneurons, the main source of inhibition in the central nervous system. However, the cell diversity, the wide range of spatiotemporal connectivity, and the distinct effects of the neurotransmitter GABA especially during development, must be considered to critically revisit the concept of hyperexcitability caused by decreased inhibition as a key characteristic in the development of epilepsy. Here, we will discuss that behind this known mechanism, there is a heterogeneity of GABAergic interneurons with distinct functions and sources, which have specific roles in controlling the neural network activity within the recruited microcircuit and altered network during the epileptogenic process. This article is part of the Special Issue "NEWroscience 2018.
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Affiliation(s)
- Joseane Righes Marafiga
- Neurophysiology and Neurochemistry of Neuronal Excitability and Synaptic Plasticity Laboratory, Department of Biochemistry, ICBS, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; Graduate Program in Biological Science: Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil
| | - Mayara Vendramin Pasquetti
- Neurophysiology and Neurochemistry of Neuronal Excitability and Synaptic Plasticity Laboratory, Department of Biochemistry, ICBS, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; Graduate Program in Biological Science: Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil
| | - Maria Elisa Calcagnotto
- Neurophysiology and Neurochemistry of Neuronal Excitability and Synaptic Plasticity Laboratory, Department of Biochemistry, ICBS, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; Graduate Program in Biological Science: Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; Graduate Program in Neuroscience, Universidade Federal do Rio Grande do Sul, Porto Alegre 90046-900, RS, Brazil.
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Benevides RDDL, de-Lima SMV, Chagas CL, de Lima CF, Abadie-Guedes R, Guedes RCA. Lactation in large litters influences anxiety, memory, and spreading depression in adult male rats that were chronically subjected to a non-convulsive pilocarpine dose. Nutr Neurosci 2020; 25:846-856. [PMID: 32912080 DOI: 10.1080/1028415x.2020.1819103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Objectives: Unfavorable lactation influences brain excitability and behavioral reactions in adults. Administration early in life of the cholinergic agonist, pilocarpine, even at non-convulsive doses, alters the brain excitability-related phenomenon known as cortical spreading depression (CSD), and produce anxiogenic-like behavior. However, the influence of unfavorable lactation on the CSD- and memory-effects of pilocarpine administration late in life has not been investigated. Herein, we analyzed the ponderal, electrophysiological (CSD), and behavioral effects of chronic treatment with a non-convulsive dose of pilocarpine, in adult rats suckled under favorable and unfavorable conditions.Methods: Wistar rats were suckled in litters with 9 or 15 pups (groups L9 and L15, respectively). A very low dose of pilocarpine (45/mg/kg/day) was chronically administered in mature rats from postnatal day (PND) 69-90. Behavioral tests occurred at PND91 [elevated plus maze (EPM)], PND93 [open field (OF)], and PND94-95 [object recognition memory (ORM)]. CSD was recorded between PND96-120.Results: Pilocarpine-treated rats performed worse in the anxiety and memory tests, and displayed lower CSD propagation velocity when compared with saline-treated controls. In addition, L15 rats showed an increase in the distance traveled and a decrease in the immobility time in the EPM, impaired ORM, and accelerated CSD propagation when compared with L9 rats (p ≤ 0.05).Discussion: These data suggest that sub-convulsive pilocarpine treatment in adult rats can affect behavioral and excitability-related reactions. In addition, unfavorable lactation increases the ambulatory effects of pilocarpine. Further studies should investigate the possible cholinergic molecular mechanisms involved in these effects.
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Affiliation(s)
| | | | - Camila Lima Chagas
- Department of Nutrition, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Clara Farah de Lima
- Department of Nutrition, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Ricardo Abadie-Guedes
- Department of Physiology and Pharmacology, Universidade Federal de Pernambuco, Recife, PE, Brazil
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Kim HY, Yang YR, Hwang H, Lee HE, Jang HJ, Kim J, Yang E, Kim H, Rhim H, Suh PG, Kim JI. Deletion of PLCγ1 in GABAergic neurons increases seizure susceptibility in aged mice. Sci Rep 2019; 9:17761. [PMID: 31780806 PMCID: PMC6882884 DOI: 10.1038/s41598-019-54477-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/13/2019] [Indexed: 02/08/2023] Open
Abstract
Synaptic inhibition plays a fundamental role in the information processing of neural circuits. It sculpts excitatory signals and prevents hyperexcitability of neurons. Owing to these essential functions, dysregulated synaptic inhibition causes a plethora of neurological disorders, including epilepsy, autism, and schizophrenia. Among these disorders, epilepsy is associated with abnormal hyperexcitability of neurons caused by the deficits of GABAergic neuron or decreased GABAergic inhibition at synapses. Although many antiepileptic drugs are intended to improve GABA-mediated inhibition, the molecular mechanisms of synaptic inhibition regulated by GABAergic neurons are not fully understood. Increasing evidence indicates that phospholipase Cγ1 (PLCγ1) is involved in the generation of seizure, while the causal relationship between PLCγ1 and seizure has not been firmly established yet. Here, we show that genetic deletion of PLCγ1 in GABAergic neurons leads to handling-induced seizure in aged mice. In addition, aged Plcg1F/F; Dlx5/6-Cre mice exhibit other behavioral alterations, including hypoactivity, reduced anxiety, and fear memory deficit. Notably, inhibitory synaptic transmission as well as the number of inhibitory synapses are decreased in the subregions of hippocampus. These findings suggest that PLCγ1 may be a key determinant of maintaining both inhibitory synapses and synaptic transmission, potentially contributing to the regulation of E/I balance in the hippocampus.
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Affiliation(s)
- Hye Yun Kim
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Yong Ryoul Yang
- Aging Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea
| | - Hongik Hwang
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 136-791, Republic of Korea
| | - Ha-Eun Lee
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Hyun-Jun Jang
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jeongyeon Kim
- Korea Brain Research Institute (KBRI), Daegu, 41062, Republic of Korea
| | - Esther Yang
- Department of Anatomy, College of Medicine, Korea University, Seoul, 136-705, Republic of Korea
| | - Hyun Kim
- Department of Anatomy, College of Medicine, Korea University, Seoul, 136-705, Republic of Korea
| | - Hyewhon Rhim
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 136-791, Republic of Korea
| | - Pann-Ghill Suh
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea. .,Korea Brain Research Institute (KBRI), Daegu, 41062, Republic of Korea.
| | - Jae-Ick Kim
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
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