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Ducrot C, de Carvalho G, Delignat-Lavaud B, Delmas CVL, Halder P, Giguère N, Pacelli C, Mukherjee S, Bourque MJ, Parent M, Chen LY, Trudeau LE. Conditional deletion of neurexins dysregulates neurotransmission from dopamine neurons. eLife 2023; 12:e87902. [PMID: 37409563 PMCID: PMC10409506 DOI: 10.7554/elife.87902] [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: 03/19/2023] [Accepted: 07/02/2023] [Indexed: 07/07/2023] Open
Abstract
Midbrain dopamine (DA) neurons are key regulators of basal ganglia functions. The axonal domain of these neurons is highly complex, with a large subset of non-synaptic release sites and a smaller subset of synaptic terminals from which in addition to DA, glutamate or GABA are also released. The molecular mechanisms regulating the connectivity of DA neurons and their neurochemical identity are unknown. An emerging literature suggests that neuroligins, trans-synaptic cell adhesion molecules, regulate both DA neuron connectivity and neurotransmission. However, the contribution of their major interaction partners, neurexins (Nrxns), is unexplored. Here, we tested the hypothesis that Nrxns regulate DA neuron neurotransmission. Mice with conditional deletion of all Nrxns in DA neurons (DAT::NrxnsKO) exhibited normal basic motor functions. However, they showed an impaired locomotor response to the psychostimulant amphetamine. In line with an alteration in DA neurotransmission, decreased levels of the membrane DA transporter (DAT) and increased levels of the vesicular monoamine transporter (VMAT2) were detected in the striatum of DAT::NrxnsKO mice, along with reduced activity-dependent DA release. Strikingly, electrophysiological recordings revealed an increase of GABA co-release from DA neuron axons in the striatum of these mice. Together, these findings suggest that Nrxns act as regulators of the functional connectivity of DA neurons.
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Affiliation(s)
- Charles Ducrot
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
| | - Gregory de Carvalho
- Department of Anatomy and Neurobiology, School of Medicine, University of California, IrvineIrvineUnited States
| | - Benoît Delignat-Lavaud
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
| | - Constantin VL Delmas
- CERVO Brain Research Centre, Department of Psychiatry and Neurosciences, Faculty of Medicine, Université LavalQuebecCanada
| | - Priyabrata Halder
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
| | - Nicolas Giguère
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
| | - Consiglia Pacelli
- Department of Clinical and Experimental Medicine, University of FoggiaFoggiaItaly
| | - Sriparna Mukherjee
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
| | - Marie-Josée Bourque
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
| | - Martin Parent
- CERVO Brain Research Centre, Department of Psychiatry and Neurosciences, Faculty of Medicine, Université LavalQuebecCanada
| | - Lulu Y Chen
- Department of Anatomy and Neurobiology, School of Medicine, University of California, IrvineIrvineUnited States
| | - Louis-Eric Trudeau
- Department of Pharmacology and Physiology, Faculty of Medicine, Université de MontréalMontréalCanada
- Department of Neurosciences, Faculty of Medicine, Université de MontréalMontréalCanada
- Neural Signaling and Circuitry Research Group (SNC)MontréalCanada
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2
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Rosikon KD, Bone MC, Lawal HO. Regulation and modulation of biogenic amine neurotransmission in Drosophila and Caenorhabditis elegans. Front Physiol 2023; 14:970405. [PMID: 36875033 PMCID: PMC9978017 DOI: 10.3389/fphys.2023.970405] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 01/23/2023] [Indexed: 02/18/2023] Open
Abstract
Neurotransmitters are crucial for the relay of signals between neurons and their target. Monoamine neurotransmitters dopamine (DA), serotonin (5-HT), and histamine are found in both invertebrates and mammals and are known to control key physiological aspects in health and disease. Others, such as octopamine (OA) and tyramine (TA), are abundant in invertebrates. TA is expressed in both Caenorhabditis elegans and Drosophila melanogaster and plays important roles in the regulation of essential life functions in each organism. OA and TA are thought to act as the mammalian homologs of epinephrine and norepinephrine respectively, and when triggered, they act in response to the various stressors in the fight-or-flight response. 5-HT regulates a wide range of behaviors in C. elegans including egg-laying, male mating, locomotion, and pharyngeal pumping. 5-HT acts predominantly through its receptors, of which various classes have been described in both flies and worms. The adult brain of Drosophila is composed of approximately 80 serotonergic neurons, which are involved in modulation of circadian rhythm, feeding, aggression, and long-term memory formation. DA is a major monoamine neurotransmitter that mediates a variety of critical organismal functions and is essential for synaptic transmission in invertebrates as it is in mammals, in which it is also a precursor for the synthesis of adrenaline and noradrenaline. In C. elegans and Drosophila as in mammals, DA receptors play critical roles and are generally grouped into two classes, D1-like and D2-like based on their predicted coupling to downstream G proteins. Drosophila uses histamine as a neurotransmitter in photoreceptors as well as a small number of neurons in the CNS. C. elegans does not use histamine as a neurotransmitter. Here, we review the comprehensive set of known amine neurotransmitters found in invertebrates, and discuss their biological and modulatory functions using the vast literature on both Drosophila and C. elegans. We also suggest the potential interactions between aminergic neurotransmitters systems in the modulation of neurophysiological activity and behavior.
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Affiliation(s)
- Katarzyna D Rosikon
- Neuroscience Program, Department of Biological Sciences, Delaware State University, Dover, DE, United States
| | - Megan C Bone
- Neuroscience Program, Department of Biological Sciences, Delaware State University, Dover, DE, United States
| | - Hakeem O Lawal
- Neuroscience Program, Department of Biological Sciences, Delaware State University, Dover, DE, United States
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3
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Ma L, Li X, Liu C, Yan W, Ma J, Petersen RB, Peng A, Huang K. Modelling Parkinson's Disease in C. elegans: Strengths and Limitations. Curr Pharm Des 2022; 28:3033-3048. [PMID: 36111767 DOI: 10.2174/1381612828666220915103502] [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: 03/29/2022] [Accepted: 08/08/2022] [Indexed: 01/28/2023]
Abstract
Parkinson's disease (PD) is a common neurodegenerative disease that affects the motor system and progressively worsens with age. Current treatment options for PD mainly target symptoms, due to our limited understanding of the etiology and pathophysiology of PD. A variety of preclinical models have been developed to study different aspects of the disease. The models have been used to elucidate the pathogenesis and for testing new treatments. These models include cell models, non-mammalian models, rodent models, and non-human primate models. Over the past few decades, Caenorhabditis elegans (C. elegans) has been widely adopted as a model system due to its small size, transparent body, short generation time and life cycle, fully sequenced genome, the tractability of genetic manipulation and suitability for large scale screening for disease modifiers. Here, we review studies using C. elegans as a model for PD and highlight the strengths and limitations of the C. elegans model. Various C. elegans PD models, including neurotoxin-induced models and genetic models, are described in detail. Moreover, met.
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Affiliation(s)
- Liang Ma
- Department of Pharmacy, Wuhan Mental Health Center, Wuhan, China.,Department of Pharmacy, Wuhan Hospital for Psychotherapy, Wuhan, China
| | - Xi Li
- Tongji School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chengyu Liu
- Department of Transfusion Medicine, Wuhan Hospital of Traditional Chinese and Western Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wanyao Yan
- Department of Pharmacy, Wuhan Fourth Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinlu Ma
- Human Resources Department, Wuhan Mental Health Center, Wuhan, China.,Human Resources Department, Wuhan Hospital for Psychotherapy, Wuhan, China
| | - Robert B Petersen
- Foundational Sciences, Central Michigan University College of Medicine, Mount Pleasant, MI, USA
| | - Anlin Peng
- Department of Pharmacy, The Third Hospital of Wuhan, Tongren Hospital of Wuhan University, Wuhan, China
| | - Kun Huang
- Tongji School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Yoshikawa M, Ishikawa C, Li H, Kudo T, Shiba D, Shirakawa M, Murtani M, Takahashi S, Aizawa S, Shiga T. Comparing effects of microgravity and amyotrophic lateral sclerosis in the mouse ventral lumbar spinal cord. Mol Cell Neurosci 2022; 121:103745. [PMID: 35660087 DOI: 10.1016/j.mcn.2022.103745] [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: 03/14/2022] [Revised: 05/24/2022] [Accepted: 05/29/2022] [Indexed: 10/18/2022] Open
Abstract
Microgravity (MG) exposure and motor neuron diseases, such as amyotrophic lateral sclerosis (ALS), lead to motor deficits, including muscle atrophy and loss of neuronal activity. Abnormalities in motor neurons and muscles caused by MG exposure can be recovered by subsequent ground exercise. In contrast, the degeneration that occurs in ALS is irreversible. A common phenotype between MG exposure and ALS pathology is motor system abnormality, but the causes may be different. In this study, to elucidate the motor system that is affected by each condition, we investigated the effects of MG and the human SOD1 ALS mutation on gene expression in various cell types of the mouse ventral lumbar spinal cord, which is rich in motor neurons innervating the lower limb. To identify cell types affected by MG or ALS pathogenesis, we analyzed differentially expressed genes with known cell-type markers, which were determined from previous single-cell studies of the spinal cord in MG-exposed and SOD1G93A mice, an ALS mouse model. Differentially expressed genes were observed in MG mice in various spinal cord cell types, including neurons, microglia, astrocytes, oligodendrocytes, oligodendrocyte precursor cells, meningeal cells/Schwann cells, and vascular cells. We also examined neuronal populations in the spinal cord. Gene expression in putative excitatory and inhibitory neurons changed more than that in cholinergic motor neurons of the spinal cord in both MG and SOD1G93A mice. Many putative neuron types, especially visceral motor neurons, and axon initial segments (AIS) were affected in MG mice. In contrast, the effect on neurons and AIS in SOD1G93A mice was slight at P30 but progressed with aging. Interestingly, changes in dopaminergic system-related genes were specifically altered in the spinal cord of MG mice. These results indicate that MG and ALS pathology in various cell types contribute to motor neuron degeneration. Furthermore, there were more alterations in neurons in MG-exposed mice than in SOD1G93A mice. A large number of differentially expressed genes (DEGs) in MG mice represent more than SOD1G93A mice with ALS pathology. Elucidation of MG pathogenesis may provide more insight into the pathophysiology of neurodegenerative diseases.
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Affiliation(s)
- Masaaki Yoshikawa
- Division of Anatomical Science, Department of Functional Morphology, Nihon University School of Medicine, Itabashi, Tokyo 173-8610, Japan.
| | - Chihiro Ishikawa
- Laboratory of Neurobiology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Haiyan Li
- Laboratory of Neurobiology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Takashi Kudo
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Dai Shiba
- JEM Utilization Center, Human Spaceflight Technology Directorate, JAXA, Tsukuba, Ibaraki 305-8505, Japan
| | - Masaki Shirakawa
- JEM Utilization Center, Human Spaceflight Technology Directorate, JAXA, Tsukuba, Ibaraki 305-8505, Japan
| | - Masafumi Murtani
- Department of Genome Biology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Satoru Takahashi
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Shin Aizawa
- Division of Anatomical Science, Department of Functional Morphology, Nihon University School of Medicine, Itabashi, Tokyo 173-8610, Japan
| | - Takashi Shiga
- Laboratory of Neurobiology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan; Department of Neurobiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
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5
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Sudevan S, Muto K, Higashitani N, Hashizume T, Higashibata A, Ellwood RA, Deane CS, Rahman M, Vanapalli SA, Etheridge T, Szewczyk NJ, Higashitani A. Loss of physical contact in space alters the dopamine system in C. elegans. iScience 2022; 25:103762. [PMID: 35141505 PMCID: PMC8810405 DOI: 10.1016/j.isci.2022.103762] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 01/05/2022] [Accepted: 01/10/2022] [Indexed: 12/11/2022] Open
Affiliation(s)
- Surabhi Sudevan
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
- Medical Research Council (MRC) Versus Arthritis Centre for Musculoskeletal Ageing Research, Royal Derby Hospital, University of Nottingham, Derby, UK
- Musculoskeletal Conditions, National Institute for Health Research Nottingham Biomedical Research Centre, Derby, UK
| | - Kasumi Muto
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Nahoko Higashitani
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Toko Hashizume
- Advanced Engineering Services Co. Ltd, Tsukuba Mitsui Building7F,1-6-1 Takezono, Tsukuba, Ibaraki 305-0032, Japan
| | - Akira Higashibata
- Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
| | - Rebecca A. Ellwood
- Medical Research Council (MRC) Versus Arthritis Centre for Musculoskeletal Ageing Research, Royal Derby Hospital, University of Nottingham, Derby, UK
- Musculoskeletal Conditions, National Institute for Health Research Nottingham Biomedical Research Centre, Derby, UK
| | - Colleen S. Deane
- Department of Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, St. Luke's Campus, Exeter, UK
- Living Systems Institute, University of Exeter, StockerRoad, Exeter, UK
| | - Mizanur Rahman
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX, USA
| | - Siva A. Vanapalli
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX, USA
| | - Timothy Etheridge
- Department of Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, St. Luke's Campus, Exeter, UK
- Corresponding author
| | - Nathaniel J. Szewczyk
- Medical Research Council (MRC) Versus Arthritis Centre for Musculoskeletal Ageing Research, Royal Derby Hospital, University of Nottingham, Derby, UK
- Musculoskeletal Conditions, National Institute for Health Research Nottingham Biomedical Research Centre, Derby, UK
- Ohio Musculoskeletal and Neurologic Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
- Corresponding author
| | - Atsushi Higashitani
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
- Corresponding author
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6
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Announcement of the Fulker Award for a Paper Published in Behavior Genetics, Volume 47, 2017. Behav Genet 2018; 48:530-531. [PMID: 30259261 DOI: 10.1007/s10519-018-9926-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Aonuma H, Totani Y, Sakakibara M, Lukowiak K, Ito E. Comparison of brain monoamine content in three populations of Lymnaea that correlates with taste-aversive learning ability. Biophys Physicobiol 2018; 15:129-135. [PMID: 29955564 PMCID: PMC6018436 DOI: 10.2142/biophysico.15.0_129] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 04/20/2018] [Indexed: 12/01/2022] Open
Abstract
To find a causal mechanism of learning and memory is a heuristically important topic in neuroscience. In the pond snail Lymnaea stagnalis, the following experimental facts have accrued regarding a classical conditioning procedure known as conditioned taste aversion (CTA): (1) one-day food-deprived Dutch snails have superior CTA memory formation; (2) the one-day food-deprived snails have a low monoamine content (e.g., serotonin, dopamine, octopamine) in their central nervous system (CNS); (3) fed or five-day food-deprived snails have poorer CTA memory and a higher monoamine content; (4) the Dutch snails form better CTA memory than the Canadian TC1 strain; and, (5) the F1 cross snails between the Dutch and Canadian TC1 strains also form poor CTA memory. Here, in one-day food-deprived snails, we measured the monoamine content in the CNSs of the 3 populations. In most instances, the monoamine content of the Dutch strain was lower than in the other two populations. The F1 cross snails had the highest monoamine content. A lower monoamine content is correlated with the better CTA memory formation.
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Affiliation(s)
- Hitoshi Aonuma
- Research Center of Mathematics for Social Creativity, Research Institute for Electronic Science, Hokkaido University, Sapporo, Hokkaido 060-0811, Japan.,CREST, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan
| | - Yuki Totani
- Department of Biology, Waseda University, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Manabu Sakakibara
- Research Organization for Nano and Life Innovation, Waseda University, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Ken Lukowiak
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Etsuro Ito
- Department of Biology, Waseda University, Shinjuku-ku, Tokyo 162-8480, Japan.,Research Organization for Nano and Life Innovation, Waseda University, Shinjuku-ku, Tokyo 162-8480, Japan.,WASEDA Bioscience Research Institute in Singapore, 138667, Singapore.,Graduate Institute of Medicine and Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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