1
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Jin DS, Neelakantan U, Lacadie CM, Chen T, Rooney B, Liu Y, Wu W, Wang Z, Papademetris X, Hoffman EJ. Brain Registration and Evaluation for Zebrafish (BREEZE)-mapping: A pipeline for whole-brain structural and activity analyses. STAR Protoc 2023; 4:102647. [PMID: 37897734 PMCID: PMC10641303 DOI: 10.1016/j.xpro.2023.102647] [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: 06/02/2023] [Revised: 09/05/2023] [Accepted: 09/26/2023] [Indexed: 10/30/2023] Open
Abstract
Here, we present Brain Registration and Evaluation for Zebrafish (BREEZE)-mapping, a user-friendly pipeline for the registration and analysis of whole-brain images in larval zebrafish. We describe steps for pre-processing, registration, quantification, and visualization of whole-brain phenotypes in zebrafish mutants of genes associated with neurodevelopmental and neuropsychiatric disorders. By utilizing BioImage Suite Web, an open-source software package originally developed for processing human brain imaging data, we provide a highly accessible whole-brain mapping protocol developed for users with general computational proficiency. For complete details on the use and execution of this protocol, please refer to Weinschutz Mendes et al. (2023).1.
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Affiliation(s)
- David S Jin
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale University, New Haven, CT 06510, USA; Interdepartmental Neuroscience Program, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06510, USA
| | - Uma Neelakantan
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Cheryl M Lacadie
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT 06510, USA
| | - Tianying Chen
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Brendan Rooney
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Yunqing Liu
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - Weimiao Wu
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - Zuoheng Wang
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - Xenophon Papademetris
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT 06510, USA; Section of Biomedical Informatics and Data Science, Yale School of Medicine, New Haven, CT 06510, USA; Department of Biomedical Engineering, Yale University, New Haven, CT 06510, USA
| | - Ellen J Hoffman
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale University, New Haven, CT 06510, USA.
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2
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Soleymani T, Chen TY, Gonzalez-Kozlova E, Dogra N. The human neurosecretome: extracellular vesicles and particles (EVPs) of the brain for intercellular communication, therapy, and liquid-biopsy applications. Front Mol Biosci 2023; 10:1156821. [PMID: 37266331 PMCID: PMC10229797 DOI: 10.3389/fmolb.2023.1156821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/25/2023] [Indexed: 06/03/2023] Open
Abstract
Emerging evidence suggests that brain derived extracellular vesicles (EVs) and particles (EPs) can cross blood-brain barrier and mediate communication among neurons, astrocytes, microglial, and other cells of the central nervous system (CNS). Yet, a complete understanding of the molecular landscape and function of circulating EVs & EPs (EVPs) remain a major gap in knowledge. This is mainly due to the lack of technologies to isolate and separate all EVPs of heterogeneous dimensions and low buoyant density. In this review, we aim to provide a comprehensive understanding of the neurosecretome, including the extracellular vesicles that carry the molecular signature of the brain in both its microenvironment and the systemic circulation. We discuss the biogenesis of EVPs, their function, cell-to-cell communication, past and emerging isolation technologies, therapeutics, and liquid-biopsy applications. It is important to highlight that the landscape of EVPs is in a constant state of evolution; hence, we not only discuss the past literature and current landscape of the EVPs, but we also speculate as to how novel EVPs may contribute to the etiology of addiction, depression, psychiatric, neurodegenerative diseases, and aid in the real time monitoring of the "living brain". Overall, the neurosecretome is a concept we introduce here to embody the compendium of circulating particles of the brain for their function and disease pathogenesis. Finally, for the purpose of inclusion of all extracellular particles, we have used the term EVPs as defined by the International Society of Extracellular Vesicles (ISEV).
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Affiliation(s)
- Taliah Soleymani
- Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Tzu-Yi Chen
- Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Edgar Gonzalez-Kozlova
- Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Navneet Dogra
- Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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3
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Weinschutz Mendes H, Neelakantan U, Liu Y, Fitzpatrick SE, Chen T, Wu W, Pruitt A, Jin DS, Jamadagni P, Carlson M, Lacadie CM, Enriquez KD, Li N, Zhao D, Ijaz S, Sakai C, Szi C, Rooney B, Ghosh M, Nwabudike I, Gorodezky A, Chowdhury S, Zaheer M, McLaughlin S, Fernandez JM, Wu J, Eilbott JA, Vander Wyk B, Rihel J, Papademetris X, Wang Z, Hoffman EJ. High-throughput functional analysis of autism genes in zebrafish identifies convergence in dopaminergic and neuroimmune pathways. Cell Rep 2023; 42:112243. [PMID: 36933215 PMCID: PMC10277173 DOI: 10.1016/j.celrep.2023.112243] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/15/2022] [Accepted: 02/23/2023] [Indexed: 03/19/2023] Open
Abstract
Advancing from gene discovery in autism spectrum disorders (ASDs) to the identification of biologically relevant mechanisms remains a central challenge. Here, we perform parallel in vivo functional analysis of 10 ASD genes at the behavioral, structural, and circuit levels in zebrafish mutants, revealing both unique and overlapping effects of gene loss of function. Whole-brain mapping identifies the forebrain and cerebellum as the most significant contributors to brain size differences, while regions involved in sensory-motor control, particularly dopaminergic regions, are associated with altered baseline brain activity. Finally, we show a global increase in microglia resulting from ASD gene loss of function in select mutants, implicating neuroimmune dysfunction as a key pathway relevant to ASD biology.
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Affiliation(s)
| | - Uma Neelakantan
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Yunqing Liu
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - Sarah E Fitzpatrick
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA; Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06510, USA; MD-PhD Program, Yale School of Medicine, New Haven, CT 06510, USA
| | - Tianying Chen
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Weimiao Wu
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - April Pruitt
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA; Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06510, USA
| | - David S Jin
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA; Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06510, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06510, USA
| | | | - Marina Carlson
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA; Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06510, USA
| | - Cheryl M Lacadie
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT 06510, USA
| | | | - Ningshan Li
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA; SJTU-Yale Joint Center for Biostatistics and Data Science, Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dejian Zhao
- Department of Genetics, Yale Center for Genome Analysis, Yale School of Medicine, New Haven, CT 06510, USA
| | - Sundas Ijaz
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Catalina Sakai
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Christina Szi
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Brendan Rooney
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Marcus Ghosh
- Department of Cell and Developmental Biology, University College London, Gower Street, London WC1E 6BT, UK
| | - Ijeoma Nwabudike
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06510, USA; MD-PhD Program, Yale School of Medicine, New Haven, CT 06510, USA; Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
| | - Andrea Gorodezky
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Sumedha Chowdhury
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Meeraal Zaheer
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Sarah McLaughlin
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | | | - Jia Wu
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Jeffrey A Eilbott
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA
| | - Brent Vander Wyk
- Department of Internal Medicine, Section of Geriatrics, Yale School of Medicine, New Haven, CT 06510, USA
| | - Jason Rihel
- Department of Cell and Developmental Biology, University College London, Gower Street, London WC1E 6BT, UK
| | - Xenophon Papademetris
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT 06510, USA; Department of Biomedical Engineering, Yale University, New Haven, CT 06510, USA
| | - Zuoheng Wang
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - Ellen J Hoffman
- Child Study Center, Yale School of Medicine, New Haven, CT 06510, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA.
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4
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Current State of Modeling Human Psychiatric Disorders Using Zebrafish. Int J Mol Sci 2023; 24:ijms24043187. [PMID: 36834599 PMCID: PMC9959486 DOI: 10.3390/ijms24043187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/17/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
Psychiatric disorders are highly prevalent brain pathologies that represent an urgent, unmet biomedical problem. Since reliable clinical diagnoses are essential for the treatment of psychiatric disorders, their animal models with robust, relevant behavioral and physiological endpoints become necessary. Zebrafish (Danio rerio) display well-defined, complex behaviors in major neurobehavioral domains which are evolutionarily conserved and strikingly parallel to those seen in rodents and humans. Although zebrafish are increasingly often used to model psychiatric disorders, there are also multiple challenges with such models as well. The field may therefore benefit from a balanced, disease-oriented discussion that considers the clinical prevalence, the pathological complexity, and societal importance of the disorders in question, and the extent of its detalization in zebrafish central nervous system (CNS) studies. Here, we critically discuss the use of zebrafish for modeling human psychiatric disorders in general, and highlight the topics for further in-depth consideration, in order to foster and (re)focus translational biological neuroscience research utilizing zebrafish. Recent developments in molecular biology research utilizing this model species have also been summarized here, collectively calling for a wider use of zebrafish in translational CNS disease modeling.
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5
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Lescouzères L, Bordignon B, Bomont P. Development of a high-throughput tailored imaging method in zebrafish to understand and treat neuromuscular diseases. Front Mol Neurosci 2022; 15:956582. [PMID: 36204134 PMCID: PMC9530744 DOI: 10.3389/fnmol.2022.956582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
The zebrafish (Danio rerio) is a vertebrate species offering multitude of advantages for the study of conserved biological systems in human and has considerably enriched our knowledge in developmental biology and physiology. Being equally important in medical research, the zebrafish has become a critical tool in the fields of diagnosis, gene discovery, disease modeling, and pharmacology-based therapy. Studies on the zebrafish neuromuscular system allowed for deciphering key molecular pathways in this tissue, and established it as a model of choice to study numerous motor neurons, neuromuscular junctions, and muscle diseases. Starting with the similarities of the zebrafish neuromuscular system with the human system, we review disease models associated with the neuromuscular system to focus on current methodologies employed to study them and outline their caveats. In particular, we put in perspective the necessity to develop standardized and high-resolution methodologies that are necessary to deepen our understanding of not only fundamental signaling pathways in a healthy tissue but also the changes leading to disease phenotype outbreaks, and offer templates for high-content screening strategies. While the development of high-throughput methodologies is underway for motility assays, there is no automated approach to quantify the key molecular cues of the neuromuscular junction. Here, we provide a novel high-throughput imaging methodology in the zebrafish that is standardized, highly resolutive, quantitative, and fit for drug screening. By providing a proof of concept for its robustness in identifying novel molecular players and therapeutic drugs in giant axonal neuropathy (GAN) disease, we foresee that this new tool could be useful for both fundamental and biomedical research.
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Affiliation(s)
- Léa Lescouzères
- ERC Team, Institut NeuroMyoGéne-PGNM, Inserm U1315, CNRS UMR 5261, Claude Bernard University Lyon 1, Lyon, France
| | - Benoît Bordignon
- Montpellier Ressources Imagerie, BioCampus, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Pascale Bomont
- ERC Team, Institut NeuroMyoGéne-PGNM, Inserm U1315, CNRS UMR 5261, Claude Bernard University Lyon 1, Lyon, France
- *Correspondence: Pascale Bomont,
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6
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Messina A, Potrich D, Perrino M, Sheardown E, Miletto Petrazzini ME, Luu P, Nadtochiy A, Truong TV, Sovrano VA, Fraser SE, Brennan CH, Vallortigara G. Quantity as a Fish Views It: Behavior and Neurobiology. Front Neuroanat 2022; 16:943504. [PMID: 35911657 PMCID: PMC9334151 DOI: 10.3389/fnana.2022.943504] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/10/2022] [Indexed: 11/13/2022] Open
Abstract
An ability to estimate quantities, such as the number of conspecifics or the size of a predator, has been reported in vertebrates. Fish, in particular zebrafish, may be instrumental in advancing the understanding of magnitude cognition. We review here the behavioral studies that have described the ecological relevance of quantity estimation in fish and the current status of the research aimed at investigating the neurobiological bases of these abilities. By combining behavioral methods with molecular genetics and calcium imaging, the involvement of the retina and the optic tectum has been documented for the estimation of continuous quantities in the larval and adult zebrafish brain, and the contributions of the thalamus and the dorsal-central pallium for discrete magnitude estimation in the adult zebrafish brain. Evidence for basic circuitry can now be complemented and extended to research that make use of transgenic lines to deepen our understanding of quantity cognition at genetic and molecular levels.
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Affiliation(s)
- Andrea Messina
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
| | - Davide Potrich
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
| | - Matilde Perrino
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
| | - Eva Sheardown
- Centre for Developmental Neurobiology, Institute of Psychiatry, Psychology and Neuroscience, New Hunt’s House, Kings College London, London, United Kingdom
| | | | - Peter Luu
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Anna Nadtochiy
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Thai V. Truong
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Valeria Anna Sovrano
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
- Department of Psychology and Cognitive Science, University of Trento, Rovereto, Italy
| | - Scott E. Fraser
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Caroline H. Brennan
- School of Biological and Behavioral Sciences, Queen Mary University of London, London, United Kingdom
| | - Giorgio Vallortigara
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
- *Correspondence: Giorgio Vallortigara,
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7
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Tomasello DL, Wlodkowic D. Noninvasive Electrophysiology: Emerging Prospects in Aquatic Neurotoxicity Testing. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:4788-4794. [PMID: 35196004 DOI: 10.1021/acs.est.1c08471] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The significance of neurotoxicological risks associated with anthropogenic pollution is gaining increasing recognition worldwide. In this regard, perturbations in behavioral traits upon exposure to environmentally relevant concentrations of neurotoxic and neuro-modulating contaminants have been linked to diminished ecological fitness of many aquatic species. Despite an increasing interest in behavioral testing in aquatic ecotoxicology there is, however, a notable gap in understanding of the neurophysiological foundations responsible for the altered behavioral phenotypes. One of the canonical approaches to explain the mechanisms of neuro-behavioral changes is functional analysis of neuronal transmission. In aquatic animals it requires, however, invasive, complex, and time-consuming electrophysiology techniques. In this perspective, we highlight emerging prospects of noninvasive, in situ electrophysiology based on multielectrode arrays (MEAs). This technology has only recently been pioneered for the detection and analysis of transient electrical signals in the central nervous system of small model organisms such as zebrafish. The analysis resembles electroencephalography (EEG) applications and provides an appealing strategy for mechanistic explorative studies as well as routine neurotoxicity risk assessment. We outline the prospective future applications and existing challenges of this emerging analytical strategy that is poised to bring new vistas for aquatic ecotoxicology such as greater mechanistic understanding of eco-neurotoxicity and thus more robust risk assessment protocols.
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Affiliation(s)
- Danielle L Tomasello
- Whitehead Institute for Biomedical Research, Cambridge, Massachusetts 02142, United States
| | - Donald Wlodkowic
- The Neurotox Lab, School of Science, RMIT University, Melbourne, Victoria 3083, Australia
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8
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Gundlach M, Di Paolo C, Chen Q, Majewski K, Haigis AC, Werner I, Hollert H. Clozapine modulation of zebrafish swimming behavior and gene expression as a case study to investigate effects of atypical drugs on aquatic organisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:152621. [PMID: 34968598 DOI: 10.1016/j.scitotenv.2021.152621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/01/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Mental illnesses affect more than 150 million people in Europe and lead to an increasing consumption of neuroactive drugs during the last twenty years. The antipsychotic compound, clozapine, is one of the most used psychotropic drugs worldwide, with potentially negative consequences for the aquatic environment. Hence, the objectives of the study presented here were the quantification of clozapine induced changes in swimming behavior of exposed Danio rerio embryos and the elucidation of the molecular effects on the serotonergic and dopaminergic systems. Yolk-sac larvae were exposed to different concentrations (0.2 mg/L, 0.4 mg/L, 0.8 mg/L, 1.6 mg/L, 3.2 mg/L and 6.4 mg/L) of clozapine for 116 h post-fertilization, and changes in the swimming behavior of the larvae were assessed. Further, quantitative real-time PCR was performed to analyze the expression of selected genes. The qualitative evaluation of changes in the swimming behavior of D. rerio larvae revealed a significant decrease of the average swimming distance and velocity in the light-dark transition test, with more than a 36% reduction at the highest exposure concentration of 6.4 mg/L. Furthermore, the total larval body length was reduced at the highest concentration. An in-depth analysis based on expression of selected target genes of the serotonin (slc6a4a) and dopamine (drd2a) system showed an upregulation at a concentration of 1.6 mg/L and above. In addition, a lower increase in expression was detected for biomarkers of general stress (adra1a and cyp1a2). Our data show that exposure to clozapine during development inhibits swimming activity of zebrafish larvae, which could, in part, be due to disruption of the serotonin- and dopamine system.
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Affiliation(s)
- Michael Gundlach
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074 Aachen, Germany
| | - Carolina Di Paolo
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074 Aachen, Germany
| | - Qiqing Chen
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Kendra Majewski
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074 Aachen, Germany
| | - Ann-Cathrin Haigis
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Inge Werner
- Swiss Centre for Applied Ecotoxicology, Überlandstrasse 131, 8600 Dübendorf, Switzerland
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074 Aachen, Germany; Department Evolutionary Ecology and Environmental Toxicology, Faculty Biological Sciences, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany.
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9
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Tomasello DL, Kim JL, Khodour Y, McCammon JM, Mitalipova M, Jaenisch R, Futerman AH, Sive H. 16pdel lipid changes in iPSC-derived neurons and function of FAM57B in lipid metabolism and synaptogenesis. iScience 2022; 25:103551. [PMID: 34984324 PMCID: PMC8693007 DOI: 10.1016/j.isci.2021.103551] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 09/23/2021] [Accepted: 11/26/2021] [Indexed: 01/01/2023] Open
Abstract
The complex 16p11.2 deletion syndrome (16pdel) is accompanied by neurological disorders, including epilepsy, autism spectrum disorder, and intellectual disability. We demonstrated that 16pdel iPSC differentiated neurons from affected people show augmented local field potential activity and altered ceramide-related lipid species relative to unaffected. FAM57B, a poorly characterized gene in the 16p11.2 interval, has emerged as a candidate tied to symptomatology. We found that FAM57B modulates ceramide synthase (CerS) activity, but is not a CerS per se. In FAM57B mutant human neuronal cells and zebrafish brain, composition and levels of sphingolipids and glycerolipids associated with cellular membranes are disrupted. Consistently, we observed aberrant plasma membrane architecture and synaptic protein mislocalization, which were accompanied by depressed brain and behavioral activity. Together, these results suggest that haploinsufficiency of FAM57B contributes to changes in neuronal activity and function in 16pdel syndrome through a crucial role for the gene in lipid metabolism.
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Affiliation(s)
| | - Jiyoon L. Kim
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yara Khodour
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 76100, Israel
| | | | - Maya Mitalipova
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA
| | - Rudolf Jaenisch
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Anthony H. Futerman
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Hazel Sive
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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10
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Bauer B, Mally A, Liedtke D. Zebrafish Embryos and Larvae as Alternative Animal Models for Toxicity Testing. Int J Mol Sci 2021; 22:13417. [PMID: 34948215 PMCID: PMC8707050 DOI: 10.3390/ijms222413417] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/07/2021] [Accepted: 12/10/2021] [Indexed: 02/07/2023] Open
Abstract
Prerequisite to any biological laboratory assay employing living animals is consideration about its necessity, feasibility, ethics and the potential harm caused during an experiment. The imperative of these thoughts has led to the formulation of the 3R-principle, which today is a pivotal scientific standard of animal experimentation worldwide. The rising amount of laboratory investigations utilizing living animals throughout the last decades, either for regulatory concerns or for basic science, demands the development of alternative methods in accordance with 3R to help reduce experiments in mammals. This demand has resulted in investigation of additional vertebrate species displaying favourable biological properties. One prominent species among these is the zebrafish (Danio rerio), as these small laboratory ray-finned fish are well established in science today and feature outstanding biological characteristics. In this review, we highlight the advantages and general prerequisites of zebrafish embryos and larvae before free-feeding stages for toxicological testing, with a particular focus on cardio-, neuro, hepato- and nephrotoxicity. Furthermore, we discuss toxicokinetics, current advances in utilizing zebrafish for organ toxicity testing and highlight how advanced laboratory methods (such as automation, advanced imaging and genetic techniques) can refine future toxicological studies in this species.
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Affiliation(s)
- Benedikt Bauer
- Institute of Pharmacology and Toxicology, Julius-Maximilians-University, 97078 Würzburg, Germany; (B.B.); (A.M.)
| | - Angela Mally
- Institute of Pharmacology and Toxicology, Julius-Maximilians-University, 97078 Würzburg, Germany; (B.B.); (A.M.)
| | - Daniel Liedtke
- Institute of Human Genetics, Julius-Maximilians-University, 97074 Würzburg, Germany
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11
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Patton EE, Zon LI, Langenau DM. Zebrafish disease models in drug discovery: from preclinical modelling to clinical trials. Nat Rev Drug Discov 2021; 20:611-628. [PMID: 34117457 PMCID: PMC9210578 DOI: 10.1038/s41573-021-00210-8] [Citation(s) in RCA: 180] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2021] [Indexed: 02/03/2023]
Abstract
Numerous drug treatments that have recently entered the clinic or clinical trials have their genesis in zebrafish. Zebrafish are well established for their contribution to developmental biology and have now emerged as a powerful preclinical model for human disease, as their disease characteristics, aetiology and progression, and molecular mechanisms are clinically relevant and highly conserved. Zebrafish respond to small molecules and drug treatments at physiologically relevant dose ranges and, when combined with cell-specific or tissue-specific reporters and gene editing technologies, drug activity can be studied at single-cell resolution within the complexity of a whole animal, across tissues and over an extended timescale. These features enable high-throughput and high-content phenotypic drug screening, repurposing of available drugs for personalized and compassionate use, and even the development of new drug classes. Often, drugs and drug leads explored in zebrafish have an inter-organ mechanism of action and would otherwise not be identified through targeted screening approaches. Here, we discuss how zebrafish is an important model for drug discovery, the process of how these discoveries emerge and future opportunities for maximizing zebrafish potential in medical discoveries.
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Affiliation(s)
- E Elizabeth Patton
- MRC Human Genetics Unit and Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, Western General Hospital Campus, University of Edinburgh, Edinburgh, UK.
| | - Leonard I Zon
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Medical School; Harvard Stem Cell Institute, Stem Cell and Regenerative Biology Department, Harvard University, Boston, MA, USA.
| | - David M Langenau
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, USA.
- Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Boston, MA, USA.
- Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA.
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12
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Shams S, Khan A, Gerlai R. Early social deprivation does not affect cortisol response to acute and chronic stress in zebrafish. Stress 2021; 24:273-281. [PMID: 32781882 DOI: 10.1080/10253890.2020.1807511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Social isolation is a well-established technique for inducing early adversity but, in rodent models, the need of parental care makes it difficult to distinguish the effects of social deprivation from the consequences of nutritional deficiencies. Zebrafish do not require parental care, allowing separation of social deprivation from nutritional deprivation, and have emerged as a promising model to study ontogeny of normal and pathological behaviors relevant for human neuropsychological disorders. Previous reports of life-long isolation in zebrafish showed some consistency with mammalian literature, depicting later social deficits and locomotor hyperactivity. However, unlike reports of higher anxiety and stress behavior in isolated rodents and primates, behavioral responses were tapered in isolated fish. To examine whether life-long developmental isolation has a dampening effect on zebrafish endocrine stress response, we applied stressors to zebrafish siblings that were either isolated or socialized, and compared their whole-body cortisol levels with non-stressed control siblings kept in low-housing densities. Utilizing previously validated paradigms (exposure to novel tank and unpredictable chronic stress), we exposed separate groups (n = 9-14, mixed-sex) of social and isolated zebrafish to acute and chronic stressors and measured their cortisol levels. A univariate ANOVA and post-hoc Tukey's HSD tests confirmed that compared to socially raised control fish, developmental isolation did not increase baseline cortisol levels in zebrafish. Additionally, compared to the non-stressed condition, application of both acute and chronic stressors significantly increased cortisol levels in isolated fish and, to a similar degree, to socially raised fish. Our findings suggest that zebrafish isolation studies may help separate effects of social deprivation from nonsocial aspects of early adversity. These studies further substantiate the use of developmental isolation in zebrafish, particularly with acute and chronic stress paradigms, for modeling neuropsychological disorders.LAY SUMMARYA difficult childhood can make humans react more frequently or severely to later stress and modeling this effect in animals can help explain how and why early stress affects subsequent mental and physical health. Early social isolation does not affect later response to stressful situations in adult zebrafish, providing us with a model of psychiatric disorders that allows separation of effects of poor physical environments (lacking food, shelter, etc.) from poor social environments (lack of appropriate socialization).
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Affiliation(s)
- Soaleha Shams
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
| | - Aysha Khan
- Department of Psychology, University of Toronto, Mississauga, ON, Canada
| | - Robert Gerlai
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Psychology, University of Toronto, Mississauga, ON, Canada
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13
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Yadav A, Seth B, Chaturvedi RK. Brain Organoids: Tiny Mirrors of Human Neurodevelopment and Neurological Disorders. Neuroscientist 2020; 27:388-426. [PMID: 32723210 DOI: 10.1177/1073858420943192] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Unravelling the complexity of the human brain is a challenging task. Nowadays, modern neurobiologists have developed 3D model systems called "brain organoids" to overcome the technical challenges in understanding human brain development and the limitations of animal models to study neurological diseases. Certainly like most model systems in neuroscience, brain organoids too have limitations, as these minuscule brains lack the complex neuronal circuitry required to begin the operational tasks of human brain. However, researchers are hopeful that future endeavors with these 3D brain tissues could provide mechanistic insights into the generation of circuit complexity as well as reproducible creation of different regions of the human brain. Herein, we have presented the contemporary state of brain organoids with special emphasis on their mode of generation and their utility in modelling neurological disorders, drug discovery, and clinical trials.
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Affiliation(s)
- Anuradha Yadav
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Brashket Seth
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Rajnish Kumar Chaturvedi
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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14
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15
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Zebrafish models of epigenetic regulation of CNS functions. Brain Res Bull 2018; 142:344-351. [DOI: 10.1016/j.brainresbull.2018.08.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Revised: 08/22/2018] [Accepted: 08/30/2018] [Indexed: 12/12/2022]
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16
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Sakai C, Ijaz S, Hoffman EJ. Zebrafish Models of Neurodevelopmental Disorders: Past, Present, and Future. Front Mol Neurosci 2018; 11:294. [PMID: 30210288 PMCID: PMC6123572 DOI: 10.3389/fnmol.2018.00294] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 08/03/2018] [Indexed: 12/21/2022] Open
Abstract
Zebrafish are increasingly being utilized as a model system to investigate the function of the growing list of risk genes associated with neurodevelopmental disorders. This is due in large part to the unique features of zebrafish that make them an optimal system for this purpose, including rapid, external development of transparent embryos, which enable the direct visualization of the developing nervous system during early stages, large progenies, which provide considerable tractability for performing high-throughput pharmacological screens to identify small molecule suppressors of simple behavioral phenotypes, and ease of genetic manipulation, which has been greatly facilitated by the advent of CRISPR/Cas9 gene editing technologies. This review article focuses on studies that have harnessed these advantages of the zebrafish system for the functional analysis of genes that are strongly associated with the following neurodevelopmental disorders: autism spectrum disorders (ASD), epilepsy, intellectual disability (ID) and schizophrenia. We focus primarily on studies describing early morphological and behavioral phenotypes during embryonic and larval stages resulting from loss of risk gene function. We highlight insights into basic mechanisms of risk gene function gained from these studies as well as limitations of studies to date. Finally, we discuss advances in in vivo neural circuit imaging in zebrafish, which promise to transform research using the zebrafish model by illuminating novel circuit-level mechanisms with relevance to neurodevelopmental disorders.
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Affiliation(s)
- Catalina Sakai
- Child Study Center, Program on Neurogenetics, Yale School of Medicine, Yale University, New Haven, CT, United States
| | - Sundas Ijaz
- Child Study Center, Program on Neurogenetics, Yale School of Medicine, Yale University, New Haven, CT, United States
| | - Ellen J Hoffman
- Child Study Center, Program on Neurogenetics, Yale School of Medicine, Yale University, New Haven, CT, United States.,Department of Neuroscience, Yale School of Medicine, Yale University, New Haven, CT, United States
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17
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Cordeiro MF, Girardi FA, Gonçalves CO, Peixoto CS, Dal Bosco L, Sahoo SK, Santos AP, Fantini C, Bruch GE, Horn AP, Barros DM. Toxicological assessment of PEGylated single-walled carbon nanotubes in early developing zebrafish. Toxicol Appl Pharmacol 2018; 347:54-59. [DOI: 10.1016/j.taap.2018.03.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/23/2018] [Accepted: 03/28/2018] [Indexed: 01/30/2023]
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18
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González-Rodríguez A, Seeman MV. Pharmacotherapy for schizophrenia in postmenopausal women. Expert Opin Pharmacother 2018; 19:809-821. [PMID: 29676942 DOI: 10.1080/14656566.2018.1465563] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Reduced estrogen levels at menopause mean a loss of the neuroprotection that is conferred, from puberty until menopause, on women with schizophrenia. The postmenopausal stage of schizophrenia requires therapeutic attention because women with this diagnosis almost invariably experience increased symptoms and increased side effects at this time. So far, few targeted therapies have been successfully developed. AREAS COVERED This non-systematic, narrative review is based on the relevant published literature indexed in PubMed. A digital search was combined with a manual check of references from studies in the field of gender differences, menopause and schizophrenia. Aside from the inclusion of a few early classic papers, the review focuses on 21st century basic, psychopharmacologic, and clinical literature on the treatment of women with schizophrenia after menopause. EXPERT OPINION Beyond a relatively low dose threshold, all antipsychotic medications have adverse effects, which become more prominent for women at the time of menopause. Estrogen modulators may not help all symptoms of schizophrenia but are, nevertheless, relatively safe and, when used as adjuncts, help to keep antipsychotic doses low, thus reducing the side effect burden. The field is currently moving towards precision medicine and individual genetic profiles will help to determine the efficacy of available treatments in the future.
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Affiliation(s)
| | - Mary V Seeman
- b Department of Psychiatry , University of Toronto , Toronto , Canada
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19
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Shams S, Rihel J, Ortiz JG, Gerlai R. The zebrafish as a promising tool for modeling human brain disorders: A review based upon an IBNS Symposium. Neurosci Biobehav Rev 2018; 85:176-190. [DOI: 10.1016/j.neubiorev.2017.09.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 08/28/2017] [Accepted: 09/02/2017] [Indexed: 12/12/2022]
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20
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McCammon JM, Blaker-Lee A, Chen X, Sive H. The 16p11.2 homologs fam57ba and doc2a generate certain brain and body phenotypes. Hum Mol Genet 2018; 26:3699-3712. [PMID: 28934389 PMCID: PMC5886277 DOI: 10.1093/hmg/ddx255] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 06/29/2017] [Indexed: 01/28/2023] Open
Abstract
Deletion of the 16p11.2 CNV affects 25 core genes and is associated with multiple symptoms affecting brain and body, including seizures, hyperactivity, macrocephaly, and obesity. Available data suggest that most symptoms are controlled by haploinsufficiency of two or more 16p11.2 genes. To identify interacting 16p11.2 genes, we used a pairwise partial loss of function antisense screen for embryonic brain morphology, using the accessible zebrafish model. fam57ba, encoding a ceramide synthase, was identified as interacting with the doc2a gene, encoding a calcium-sensitive exocytosis regulator, a genetic interaction not previously described. Using genetic mutants, we demonstrated that doc2a+/− fam57ba+/− double heterozygotes show hyperactivity and increased seizure susceptibility relative to wild-type or single doc2a−/− or fam57ba−/− mutants. Additionally, doc2a+/− fam57ba+/− double heterozygotes demonstrate the increased body length and head size. Single doc2a+/− and fam57ba+/− heterozygotes do not show a body size increase; however, fam57ba−/− homozygous mutants show a strongly increased head size and body length, suggesting a greater contribution from fam57ba to the haploinsufficient interaction between doc2a and fam57ba. The doc2a+/− fam57ba+/− interaction has not been reported before, nor has any 16p11.2 gene previously been linked to increased body size. These findings demonstrate that one pair of 16p11.2 homologs can regulate both brain and body phenotypes that are reflective of those in people with 16p11.2 deletion. Together, these findings suggest that dysregulation of ceramide pathways and calcium sensitive exocytosis underlies seizures and large body size associated with 16p11.2 homologs in zebrafish. The data inform consideration of mechanisms underlying human 16p11.2 deletion symptoms.
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Affiliation(s)
| | - Alicia Blaker-Lee
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA
| | - Xiao Chen
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Hazel Sive
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA.,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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21
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Chao HT, Liu L, Bellen HJ. Building dialogues between clinical and biomedical research through cross-species collaborations. Semin Cell Dev Biol 2017; 70:49-57. [PMID: 28579453 PMCID: PMC5623622 DOI: 10.1016/j.semcdb.2017.05.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 05/16/2017] [Accepted: 05/23/2017] [Indexed: 10/19/2022]
Abstract
Today, biomedical science is equipped with an impressive array of technologies and genetic resources that bolster our basic understanding of fundamental biology and enhance the practice of modern medicine by providing clinicians with a diverse toolkit to diagnose, prognosticate, and treat a plethora of conditions. Many significant advances in our understanding of disease mechanisms and therapeutic interventions have arisen from fruitful dialogues between clinicians and biomedical research scientists. However, the increasingly specialized scientific and medical disciplines, globalization of science and technology, and complex datasets often hinder the development of effective interdisciplinary collaborations between clinical medicine and biomedical research. The goal of this review is to provide examples of diverse strategies to enhance communication and collaboration across diverse disciplines. First, we discuss examples of efforts to foster interdisciplinary collaborations at institutional and multi-institutional levels. Second, we explore resources and tools for clinicians and research scientists to facilitate effective bi-directional dialogues. Third, we use our experiences in neurobiology and human genetics to highlight how communication between clinical medicine and biomedical research lead to effective implementation of cross-species model organism approaches to uncover the biological underpinnings of health and disease.
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Affiliation(s)
- Hsiao-Tuan Chao
- Department of Pediatrics, Section of Child Neurology, Baylor College of Medicine, Houston, TX 77030, United States; Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX 77030, United States.
| | - Lucy Liu
- Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX 77030, United States; Department of Neuroscience, Baylor College of Medicine, Houston, TX 77030, United States
| | - Hugo J Bellen
- Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX 77030, United States; Department of Neuroscience, Baylor College of Medicine, Houston, TX 77030, United States; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, United States; Program in Developmental Biology, Baylor College of Medicine, Houston, TX 77030, United States; Howard Hughes Medical Institute, Baylor College of Medicine, Houston, TX 77030, United States.
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22
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Khan KM, Collier AD, Meshalkina DA, Kysil EV, Khatsko SL, Kolesnikova T, Morzherin YY, Warnick JE, Kalueff AV, Echevarria DJ. Zebrafish models in neuropsychopharmacology and CNS drug discovery. Br J Pharmacol 2017; 174:1925-1944. [PMID: 28217866 PMCID: PMC5466539 DOI: 10.1111/bph.13754] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 02/11/2017] [Accepted: 02/14/2017] [Indexed: 12/12/2022] Open
Abstract
Despite the high prevalence of neuropsychiatric disorders, their aetiology and molecular mechanisms remain poorly understood. The zebrafish (Danio rerio) is increasingly utilized as a powerful animal model in neuropharmacology research and in vivo drug screening. Collectively, this makes zebrafish a useful tool for drug discovery and the identification of disordered molecular pathways. Here, we discuss zebrafish models of selected human neuropsychiatric disorders and drug-induced phenotypes. As well as covering a broad range of brain disorders (from anxiety and psychoses to neurodegeneration), we also summarize recent developments in zebrafish genetics and small molecule screening, which markedly enhance the disease modelling and the discovery of novel drug targets.
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Affiliation(s)
- Kanza M Khan
- Department of PsychologyUniversity of Southern MississippiHattiesburgMSUSA
| | - Adam D Collier
- Department of PsychologyUniversity of Southern MississippiHattiesburgMSUSA
- The International Zebrafish Neuroscience Research Consortium (ZNRC)SlidellLAUSA
| | - Darya A Meshalkina
- The International Zebrafish Neuroscience Research Consortium (ZNRC)SlidellLAUSA
- Institute of Translational BiomedicineSt. Petersburg State UniversitySt. PetersburgRussia
| | - Elana V Kysil
- Institute of Translational BiomedicineSt. Petersburg State UniversitySt. PetersburgRussia
| | | | | | | | - Jason E Warnick
- The International Zebrafish Neuroscience Research Consortium (ZNRC)SlidellLAUSA
- Department of Behavioral SciencesArkansas Tech UniversityRussellvilleARUSA
| | - Allan V Kalueff
- The International Zebrafish Neuroscience Research Consortium (ZNRC)SlidellLAUSA
- Institute of Translational BiomedicineSt. Petersburg State UniversitySt. PetersburgRussia
- Ural Federal UniversityEkaterinburgRussia
- Research Institute of Marine Drugs and Nutrition, College of Food Science and TechnologyGuangdong Ocean UniversityZhanjiangGuangdongChina
| | - David J Echevarria
- Department of PsychologyUniversity of Southern MississippiHattiesburgMSUSA
- The International Zebrafish Neuroscience Research Consortium (ZNRC)SlidellLAUSA
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23
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Liu H, Chen S, Huang K, Kim J, Mo H, Iovine R, Gendre J, Pascal P, Li Q, Sun Y, Dong Z, Arkin M, Guo S, Huang B. A High-Content Larval Zebrafish Brain Imaging Method for Small Molecule Drug Discovery. PLoS One 2016; 11:e0164645. [PMID: 27732643 PMCID: PMC5061318 DOI: 10.1371/journal.pone.0164645] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 09/28/2016] [Indexed: 01/01/2023] Open
Abstract
Drug discovery in whole-organisms such as zebrafish is a promising approach for identifying biologically-relevant lead compounds. However, high content imaging of zebrafish at cellular resolution is challenging due to the difficulty in orienting larvae en masse such that the cell type of interest is in clear view. We report the development of the multi-pose imaging method, which uses 96-well round bottom plates combined with a standard liquid handler to repose the larvae within each well multiple times, such that an image in a specific orientation can be acquired. We have validated this method in a chemo-genetic zebrafish model of dopaminergic neuron degeneration. For this purpose, we have developed an analysis pipeline that identifies the larval brain in each image and then quantifies neuronal health in CellProfiler. Our method achieves a SSMD* score of 6.96 (robust Z’-factor of 0.56) and is suitable for screening libraries up to 105 compounds in size.
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Affiliation(s)
- Harrison Liu
- Joint Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, United States of America
| | - Steven Chen
- Small Molecule Discovery Center, University of California, San Francisco, San Francisco, California, United States of America
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, California, United States of America
| | - Kevin Huang
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Jeffrey Kim
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Han Mo
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Raffael Iovine
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Julie Gendre
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Pauline Pascal
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Qiang Li
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Yaping Sun
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Zhiqiang Dong
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Michelle Arkin
- Small Molecule Discovery Center, University of California, San Francisco, San Francisco, California, United States of America
| | - Su Guo
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
- * E-mail: (SG); (BH)
| | - Bo Huang
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, California, United States of America
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, California, United States of America
- * E-mail: (SG); (BH)
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24
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Building neurophenomics in zebrafish: Effects of prior testing stress and test batteries. Behav Brain Res 2016; 311:24-30. [DOI: 10.1016/j.bbr.2016.05.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 04/29/2016] [Accepted: 05/02/2016] [Indexed: 01/02/2023]
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25
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Ijaz S, Hoffman EJ. Zebrafish: A Translational Model System for Studying Neuropsychiatric Disorders. J Am Acad Child Adolesc Psychiatry 2016; 55:746-8. [PMID: 27566113 PMCID: PMC5521170 DOI: 10.1016/j.jaac.2016.06.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/20/2016] [Accepted: 06/27/2016] [Indexed: 01/19/2023]
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26
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Yang S, Ott CJ, Rossmann MP, Superdock M, Zon LI, Zhou Y. Chromatin immunoprecipitation and an open chromatin assay in zebrafish erythrocytes. Methods Cell Biol 2016; 135:387-412. [PMID: 27443937 DOI: 10.1016/bs.mcb.2016.04.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Zebrafish is an excellent genetic and developmental model for the study of vertebrate development and disease. Its ability to produce an abundance of transparent, externally developed embryos has facilitated large-scale genetic and chemical screens for the identification of critical genes and chemical factors that modulate developmental pathways. These studies can have profound implications for the diagnosis and treatment of a variety of human diseases. Recent advancements in molecular and genomic studies have provided valuable tools and resources for comprehensive and high-resolution analysis of epigenomes during cell specification and lineage differentiation throughout development. In this chapter, we describe two simple methods to evaluate protein-DNA interaction and chromatin architecture in erythrocytes from adult zebrafish. These are chromatin immunoprecipitation coupled with next-generation sequencing (ChIP-seq) and an assay for transposase-accessible chromatin with high-throughput sequencing (ATAC-seq). These techniques, together with gene expression profiling, are useful for analyzing epigenomic regulation of cell specification, differentiation, and function during zebrafish development in both normal and disease models.
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Affiliation(s)
- S Yang
- Boston Children's Hospital, Boston, MA, United States; Dana Farber Cancer Institute, Harvard Stem Cell Institute, Boston, MA, United States; Harvard Medical School and Howard Hughes Medical Institute, Boston, MA, United States
| | - C J Ott
- Dana Farber Cancer Institute, Harvard Stem Cell Institute, Boston, MA, United States
| | - M P Rossmann
- Harvard University, Harvard, Cambridge, MA, United States
| | - M Superdock
- Boston Children's Hospital, Boston, MA, United States; Dana Farber Cancer Institute, Harvard Stem Cell Institute, Boston, MA, United States; Harvard Medical School and Howard Hughes Medical Institute, Boston, MA, United States
| | - L I Zon
- Boston Children's Hospital, Boston, MA, United States; Dana Farber Cancer Institute, Harvard Stem Cell Institute, Boston, MA, United States; Harvard Medical School and Howard Hughes Medical Institute, Boston, MA, United States; Harvard University, Harvard, Cambridge, MA, United States
| | - Y Zhou
- Boston Children's Hospital, Boston, MA, United States; Dana Farber Cancer Institute, Harvard Stem Cell Institute, Boston, MA, United States; Harvard Medical School and Howard Hughes Medical Institute, Boston, MA, United States; Harvard University, Harvard, Cambridge, MA, United States
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27
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Epilepsy, Behavioral Abnormalities, and Physiological Comorbidities in Syntaxin-Binding Protein 1 (STXBP1) Mutant Zebrafish. PLoS One 2016; 11:e0151148. [PMID: 26963117 PMCID: PMC4786103 DOI: 10.1371/journal.pone.0151148] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 02/23/2016] [Indexed: 11/26/2022] Open
Abstract
Mutations in the synaptic machinery gene syntaxin-binding protein 1, STXBP1 (also known as MUNC18-1), are linked to childhood epilepsies and other neurodevelopmental disorders. Zebrafish STXBP1 homologs (stxbp1a and stxbp1b) have highly conserved sequence and are prominently expressed in the larval zebrafish brain. To understand the functions of stxbp1a and stxbp1b, we generated loss-of-function mutations using CRISPR/Cas9 gene editing and studied brain electrical activity, behavior, development, heart physiology, metabolism, and survival in larval zebrafish. Homozygous stxbp1a mutants exhibited a profound lack of movement, low electrical brain activity, low heart rate, decreased glucose and mitochondrial metabolism, and early fatality compared to controls. On the other hand, homozygous stxbp1b mutants had spontaneous electrographic seizures, and reduced locomotor activity response to a movement-inducing “dark-flash” visual stimulus, despite showing normal metabolism, heart rate, survival, and baseline locomotor activity. Our findings in these newly generated mutant lines of zebrafish suggest that zebrafish recapitulate clinical phenotypes associated with human syntaxin-binding protein 1 mutations.
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28
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Spikol ED, Laverriere CE, Robnett M, Carter G, Wolfe E, Glasgow E. Zebrafish Models of Prader-Willi Syndrome: Fast Track to Pharmacotherapeutics. Diseases 2016; 4. [PMID: 27857842 PMCID: PMC5110251 DOI: 10.3390/diseases4010013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Prader-Willi syndrome (PWS) is a rare genetic neurodevelopmental disorder characterized by an insatiable appetite, leading to chronic overeating and obesity. Additional features include short stature, intellectual disability, behavioral problems and incomplete sexual development. Although significant progress has been made in understanding the genetic basis of PWS, the mechanisms underlying the pathogenesis of the disorder remain poorly understood. Treatment for PWS consists mainly of palliative therapies; curative therapies are sorely needed. Zebrafish, Danio rerio, represent a promising way forward for elucidating physiological problems such as obesity and identifying new pharmacotherapeutic options for PWS. Over the last decade, an increased appreciation for the highly conserved biology among vertebrates and the ability to perform high-throughput drug screening has seen an explosion in the use of zebrafish for disease modeling and drug discovery. Here, we review recent advances in developing zebrafish models of human disease. Aspects of zebrafish genetics and physiology that are relevant to PWS will be discussed, and the advantages and disadvantages of zebrafish models will be contrasted with current animal models for this syndrome. Finally, we will present a paradigm for drug screening in zebrafish that is potentially the fastest route for identifying and delivering curative pharmacotherapies to PWS patients.
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