1
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Abozaid A, Gerlai R. Paradoxical effects of feeding status on food consumption and learning performance in zebrafish (Danio rerio). Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110846. [PMID: 37611652 DOI: 10.1016/j.pnpbp.2023.110846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/11/2023] [Accepted: 08/19/2023] [Indexed: 08/25/2023]
Abstract
Associative learning is often studied using food reward as the unconditioned stimulus (US). With warm-blooded species, to get the subject more motivated the solution has been to feed less, making the subject hungrier. Here we show the opposite with zebrafish. We randomly assigned zebrafish to two groups: a once-a-day-fed and a five-times-a-day-fed group, with the same amount of food fed per occasion for fish of both groups, a feeding regimen that lasted for three months. Subsequently, we trained fish by pairing food (US) with a red cue card (the conditioned stimulus, CS), which were placed together in one arm of a plus-maze across eight training sessions. We also ran unpaired training, in which the CS and US were presented in different arms. We found the previously once-a-day-fed zebrafish to consume less food throughout habituation and training sessions compared to the previously five-times-a-day-fed ones. Furthermore, five-times-a-day-fed fish in the paired group swam significantly closer to the CS during a post-training probe trial compared to the five-times-a-day-fed unpaired fish, a paired training effect that was absent in once-a-day-fed fish. Groups did not differ in health or general activity. In sum, elevated chronic feeding improved food consumption and enhanced learning and memory performance without affecting activity levels in adult zebrafish.
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Affiliation(s)
- Amira Abozaid
- Department of Cell & Systems Biology, University of Toronto, Canada; Department of Psychology, University of Toronto, Mississauga, Canada.
| | - Robert Gerlai
- Department of Cell & Systems Biology, University of Toronto, Canada; Department of Psychology, University of Toronto, Mississauga, Canada.
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2
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Pluimer BR, Harrison DL, Boonyavairoje C, Prinssen EP, Rogers-Evans M, Peterson RT, Thyme SB, Nath AK. Behavioral analysis through the lifespan of disc1 mutant zebrafish identifies defects in sensorimotor transformation. iScience 2023; 26:107099. [PMID: 37416451 PMCID: PMC10320522 DOI: 10.1016/j.isci.2023.107099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 03/27/2023] [Accepted: 06/08/2023] [Indexed: 07/08/2023] Open
Abstract
DISC1 is a genetic risk factor for multiple psychiatric disorders. Compared to the dozens of murine Disc1 models, there is a paucity of zebrafish disc1 models-an organism amenable to high-throughput experimentation. We conducted the longitudinal neurobehavioral analysis of disc1 mutant zebrafish across key stages of life. During early developmental stages, disc1 mutants exhibited abrogated behavioral responses to sensory stimuli across multiple testing platforms. Moreover, during exposure to an acoustic sensory stimulus, loss of disc1 resulted in the abnormal activation of neurons in the pallium, cerebellum, and tectum-anatomical sites involved in the integration of sensory perception and motor control. In adulthood, disc1 mutants exhibited sexually dimorphic reduction in anxiogenic behavior in novel paradigms. Together, these findings implicate disc1 in sensorimotor processes and the genesis of anxiogenic behaviors, which could be exploited for the development of novel treatments in addition to investigating the biology of sensorimotor transformation in the context of disc1 deletion.
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Affiliation(s)
- Brock R. Pluimer
- Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, MA 02129, USA
| | - Devin L. Harrison
- Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, MA 02129, USA
| | - Chanon Boonyavairoje
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Eric P. Prinssen
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Mark Rogers-Evans
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, Grenzacherstrasse 124, 4070 Basel, Switzerland
| | - Randall T. Peterson
- Deparment of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT 84112, USA
| | - Summer B. Thyme
- Department of Neurobiology, University of Alabama, Birmingham, AL 35294, USA
| | - Anjali K. Nath
- Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, MA 02129, USA
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
- Broad Institute, Cambridge, MA 02142, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
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3
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Shishis S, Tsang B, Ren GJ, Gerlai R. Effects of different handling methods on the behavior of adult zebrafish. Physiol Behav 2023; 262:114106. [PMID: 36758848 DOI: 10.1016/j.physbeh.2023.114106] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 01/11/2023] [Accepted: 01/31/2023] [Indexed: 02/11/2023]
Abstract
The zebrafish is an important biomedical research organism. In most research, zebrafish are removed from their home tank and subsequently their phenotype is measured. The method of handling the fish, however, may significantly affect a variety of phenotypes. This is particularly problematic for studies of brain function that measure behavioral or neuronal responses. Nevertheless, the potential effects of handling have not been analyzed, and in fact are usually ignored. Here, we explore the effects of two usual and two rarely or never-before employed handling methods on the behavior of adult zebrafish. We exposed each fish to one of four handling methods, a between subject experimental design: (1) net chasing followed by air-suspension, (2) gentle net catching (without chasing) followed by air-suspension, (3) gentle net catching followed by being placed in a beaker (no chasing and very short air-suspension), (4) transportation in home tank and pouring the fish directly into the test tank (no chasing, netting or air-suspension). With these handling methods, the fish were placed in a test tank and their swim path was videorecorded and analyzed. Handling significantly affected swim path parameters, duration and frequency of immobility, absolute turn angle and its temporal variance and velocity, but not the distance to bottom. The behavioral effects confirmed that chasing and netting induce robust behavioral changes, and that pouring the fish from its home to its test tank is least aversive for zebrafish. We recommend using this latter method to reduce experimental error variation and increase reproducibility of results.
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Affiliation(s)
| | - Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga, Canada; Department of Critical Care Medicine, Hospital for Sick Children, Canada
| | - Gary J Ren
- Schulich School of Medicine & Dentistry, University of Western Ontario, Canada
| | - Robert Gerlai
- Department of Cell & Systems Biology, University of Toronto, Canada; Department of Psychology, University of Toronto Mississauga, Canada.
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4
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Nabinger DD, Altenhofen S, Buatois A, Facciol A, Peixoto JV, da Silva JMK, Chatterjee D, Rübensam G, Gerlai R, Bonan CD. Acute administration of a dopamine D2/D3 receptor agonist alters behavioral and neural parameters in adult zebrafish. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110753. [PMID: 36934998 DOI: 10.1016/j.pnpbp.2023.110753] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/30/2023] [Accepted: 03/15/2023] [Indexed: 03/21/2023]
Abstract
The dopaminergic neurotransmitter system is implicated in several brain functions and behavioral processes. Alterations in it are associated with the pathogenesis of several human neurological disorders. Pharmacological agents that interact with the dopaminergic system allow the investigation of dopamine-mediated cellular and molecular responses and may elucidate the biological bases of such disorders. Zebrafish, a translationally relevant biomedical research organism, has been successfully employed in prior psychopharmacology studies. Here, we evaluated the effects of quinpirole (dopamine D2/D3 receptor agonist) in adult zebrafish on behavioral parameters, brain-derived neurotrophic factor (BDNF) and neurotransmitter levels. Zebrafish received intraperitoneal injections of 0.5, 1.0, or 2.0 mg/kg quinpirole or saline (control group) twice with an inter-injection interval of 48 h. All tests were performed 24 h after the second injection. After this acute quinpirole administration, zebrafish exhibited decreased locomotor activity, increased anxiety-like behaviors and memory impairment. However, quinpirole did not affect social and aggressive behavior. Quinpirole-treated fish exhibited stereotypic swimming, characterized by repetitive behavior followed by immobile episodes. Moreover, quinpirole treatment also decreased the number of BDNF-immunoreactive cells in the zebrafish brain. Analysis of neurotransmitter levels demonstrated a significant increase in glutamate and a decrease in serotonin, while no alterations were observed in dopamine. These findings demonstrate that dopaminergic signaling altered by quinpirole administration results in significant behavioral and neuroplastic changes in the central nervous system of zebrafish. Thus, we conclude that the use of quinpirole administration in adult zebrafish may be an appropriate tool for the analysis of mechanisms underlying neurological disorders related to the dopaminergic system.
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Affiliation(s)
- Débora Dreher Nabinger
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Stefani Altenhofen
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Alexis Buatois
- Department of Psychology, University of Toronto Mississauga, ON, Canada
| | - Amanda Facciol
- Department of Psychology, University of Toronto Mississauga, ON, Canada
| | - Julia Vasconcellos Peixoto
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Julia Maria Kuhl da Silva
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - Gabriel Rübensam
- Centro de Pesquisa em Toxicologia e Farmacologia (INTOX), Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, ON, Canada
| | - Carla Denise Bonan
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Instituto Nacional de Ciência e Tecnologia em Doenças Cerebrais, Excitotoxicidade e Neuroproteção, Porto Alegre, RS, Brazil.
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Demin KA, Zabegalov KA, Kolesnikova TO, Galstyan DS, Kositsyn YMHB, Costa FV, de Abreu MS, Kalueff AV. Animal Inflammation-Based Models of Neuropsychiatric Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1411:91-104. [PMID: 36949307 DOI: 10.1007/978-981-19-7376-5_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
Mounting evidence links psychiatric disorders to central and systemic inflammation. Experimental (animal) models of psychiatric disorders are important tools for translational biopsychiatry research and CNS drug discovery. Current experimental models, most typically involving rodents, continue to reveal shared fundamental pathological pathways and biomarkers underlying the pathogenetic link between brain illnesses and neuroinflammation. Recent data also show that various proinflammatory factors can alter brain neurochemistry, modulating the levels of neurohormones and neurotrophins in neurons and microglia. The role of "active" glia in releasing a wide range of proinflammatory cytokines also implicates glial cells in various psychiatric disorders. Here, we discuss recent animal inflammation-related models of psychiatric disorders, focusing on their translational perspectives and the use of some novel promising model organisms (zebrafish), to better understand the evolutionally conservative role of inflammation in neuropsychiatric conditions.
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Affiliation(s)
- Konstantin A Demin
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | | | | | - David S Galstyan
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
| | - Yuriy M H B Kositsyn
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Fabiano V Costa
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
| | - Murilo S de Abreu
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Allan V Kalueff
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
- Laboratory of Preclinical Bioscreening, Granov Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, Pesochny, Russia
- Laboratory of Translational Biopsychiatry, Scientific Research Institute of Neuroscience and Medicine, Novosibirsk, Russia
- Ural Federal University, Ekaterinburg, Russia
- Novosibirsk State University, Novosibirsk, Russia
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6
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Singh BJ, Zu L, Summers J, Asdjodi S, Glasgow E, Kanwal JS. NemoTrainer: Automated Conditioning for Stimulus-Directed Navigation and Decision Making in Free-Swimming Zebrafish. Animals (Basel) 2022; 13:ani13010116. [PMID: 36611725 PMCID: PMC9817937 DOI: 10.3390/ani13010116] [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: 10/30/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022] Open
Abstract
Current methods for associative conditioning in animals involve human intervention that is labor intensive, stressful to animals, and introduces experimenter bias in the data. Here, we describe a simple apparatus and a flexible, microcontroller-based conditioning paradigm that minimizes human intervention. Our methodology exploits directed movement towards a target that depends on spatial working memory, including processing of sensory inputs, motivational drive, and attentional mechanisms. Within a stimulus-driven conditioning paradigm designed to train zebrafish, we present a localized pulse of light via LEDs and/or sounds via an underwater transducer. A webcam placed below a glass tank records fish-swimming behavior. For classical conditioning, animals simply associate a sound or light with an unconditioned stimulus, such as a small food reward presented at a fixed location, and swim towards that location to obtain a few grains of food dispensed automatically via a sensor-triggered, stepper motor. During operant conditioning, a fish must first approach a proximity sensor at a remote location and then swim to the reward location. For both types of conditioning, a timing-gated interrupt activates stepper motors via custom software embedded within a microcontroller (Arduino). "Ardulink", a Java facility, implements Arduino-computer communication protocols. In this way, a Java-based user interface running on a host computer can provide full experimental control. Alternatively, a similar level of control is achieved via an Arduino script communicating with an event-driven application controller running on the host computer. Either approach can enable precise, multi-day scheduling of training, including timing, location, and intensity of stimulus parameters; and the feeder. Learning can be tracked by monitoring turning, location, response times, and directional swimming of individual fish. This facilitates the comparison of performance within and across a cohort of animals. Our scheduling and control software and apparatus ("NemoTrainer") can be used to study multiple aspects of species-specific behaviors as well as the effects on them of various interventions.
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Affiliation(s)
- Bishen J. Singh
- Department of Neurology, Georgetown University Medical Center, Washington, DC 20057-1460, USA
| | - Luciano Zu
- Department of Neurology, Georgetown University Medical Center, Washington, DC 20057-1460, USA
| | - Jacqueline Summers
- Department of Neurology, Georgetown University Medical Center, Washington, DC 20057-1460, USA
| | - Saman Asdjodi
- Department of Neurology, Georgetown University Medical Center, Washington, DC 20057-1460, USA
| | - Eric Glasgow
- Department of Oncology, Georgetown University Medical Center, Washington, DC 20057-1460, USA
| | - Jagmeet S. Kanwal
- Department of Neurology, Georgetown University Medical Center, Washington, DC 20057-1460, USA
- Correspondence: ; Tel.: +1-(202)-687-1305
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7
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The Tapping Assay: A Simple Method to Induce Fear Responses in Zebrafish. Behav Res Methods 2022; 54:2693-2706. [PMID: 34918220 DOI: 10.3758/s13428-021-01753-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2021] [Indexed: 12/16/2022]
Abstract
The zebrafish is increasingly employed in behavioral neuroscience as a translationally relevant model organism for human central nervous system disorders. One of the most prevalent CNS disorders representing an unmet medical need is the disorder cluster defined under the umbrella term anxiety disorders. Zebrafish have been shown to respond to a variety of anxiety and fear inducing stimuli and have been suggested for modeling human anxiety. Here, we describe a simple method with which we intend to induce fear/anxiety responses in this species. The method allows us to deliver a visual and lateral line stimulus (vibration or "tapping") to the fish with the use of a moving object, a ball colliding with the side glass of the experimental tank. We describe the hardware construction of the apparatus and the procedure of the behavioral paradigm. We also present data on how zebrafish respond to the tapping. Our results demonstrate that the method induces significant fear/anxiety responses. We argue that the simplicity of the method and the efficiency of the paradigm should make it popular among those who plan to use zebrafish as a tool in anxiety research.
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Acute Administration of Ethanol and of a D1-Receptor Antagonist Affects the Behavior and Neurochemistry of Adult Zebrafish. Biomedicines 2022; 10:biomedicines10112878. [DOI: 10.3390/biomedicines10112878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 11/12/2022] Open
Abstract
Alcohol abuse represents major societal problems, an unmet medical need resulting from our incomplete understanding of the mechanisms underlying alcohol’s actions in the brain. To uncover these mechanisms, animal models have been proposed. Here, we explore the effects of acute alcohol administration in zebrafish, a promising animal model in alcohol research. One mechanism via which alcohol may influence behavior is the dopaminergic neurotransmitter system. As a proof-of-concept analysis, we study how D1 dopamine-receptor antagonism may alter the effects of acute alcohol on the behavior of adult zebrafish and on whole brain levels of neurochemicals. We conduct these analyses using a quasi-inbred strain, AB, and a genetically heterogeneous population SFWT. Our results uncover significant alcohol x D1-R antagonist interaction and main effects of these factors in shoaling, but only additive effects of these factors in measures of exploratory behavior. We also find interacting and main effects of alcohol and the D1-R antagonist on dopamine and DOPAC levels, but only alcohol effects on serotonin. We also uncover several strain dependent effects. These results demonstrate that acute alcohol may act through dopaminergic mechanisms for some but not all behavioral phenotypes, a novel discovery, and also suggest that strain differences may, in the future, help us identify molecular mechanisms underlying acute alcohol effects.
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Licitra R, Marchese M, Naef V, Ogi A, Martinelli M, Kiferle C, Fronte B, Santorelli FM. A Review on the Bioactivity of Cannabinoids on Zebrafish Models: Emphasis on Neurodevelopment. Biomedicines 2022; 10:biomedicines10081820. [PMID: 36009367 PMCID: PMC9404760 DOI: 10.3390/biomedicines10081820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 11/16/2022] Open
Abstract
For centuries, the cannabis plant has been used as a source of food, fiber, and medicine. Recently, scientific interest in cannabis has increased considerably, as its bioactive compounds have shown promising potential in the treatment of numerous musculoskeletal and neurological diseases in humans. However, the mechanisms that underlie its possible effects on neurodevelopment and nervous-system functioning remain poorly understood and need to be further investigated. Although the bulk of research on cannabis and cannabinoids is based on in vitro or rodent models, the zebrafish has now emerged as a powerful in vivo model for drug-screening studies and translational research. We here review the available literature on the use of cannabis/cannabinoids in zebrafish, and particularly in zebrafish models of neurological disorders. A critical analysis suggests that zebrafish could serve as an experimental tool for testing the bioactivity of cannabinoids, and they could thus provide important insights into the safety and efficacy of different cannabis-extract-based products. The review showed that zebrafish exhibit similar behaviors to rodents following cannabinoid exposure. The authors stress the importance of analyzing the full spectrum of naturally occurring cannabinoids, rather than just the main ones, THC and CBD, and they offer some pointers on performing behavioral analysis in zebrafish.
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Affiliation(s)
- Rosario Licitra
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
| | - Maria Marchese
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
- Correspondence: (M.M.); (F.M.S.)
| | - Valentina Naef
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
| | - Asahi Ogi
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
| | - Marco Martinelli
- PlantLab, Institute of Life Sciences, Scuola Superiore Sant’Anna, 56124 Pisa, Italy; (M.M.); (C.K.)
| | - Claudia Kiferle
- PlantLab, Institute of Life Sciences, Scuola Superiore Sant’Anna, 56124 Pisa, Italy; (M.M.); (C.K.)
| | - Baldassare Fronte
- Department of Veterinary Science, University of Pisa, 56124 Pisa, Italy;
| | - Filippo Maria Santorelli
- Molecular Medicine and Neurobiology—ZebraLab, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy; (R.L.); (V.N.); (A.O.)
- Correspondence: (M.M.); (F.M.S.)
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10
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Nabinger DD, Altenhofen S, Peixoto JV, da Silva JMK, Bonan CD. Long-lasting behavioral effects of quinpirole exposure on zebrafish. Neurotoxicol Teratol 2021; 88:107034. [PMID: 34600099 DOI: 10.1016/j.ntt.2021.107034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/25/2021] [Accepted: 09/26/2021] [Indexed: 01/11/2023]
Abstract
The human brain matures into a complex structure, and to reach its complete development, connections must occur along exact paths. If at any stage, the processes are altered, interrupted, or inhibited, the consequences can be permanent. Dopaminergic signaling participates in the control of physiological functions and behavioral processes, and alterations in this signaling pathway are related to the pathogenesis of several neurological disorders. For this reason, the use of pharmacological agents able to interact with the dopaminergic signaling may elucidate the biological bases of such disorders. We investigated the long-lasting behavioral effects on adult zebrafish after quinpirole (a dopamine D2/D3 receptor agonist) exposure during early life stages of development (24 h exposure at 5 days post-fertilization, dpf) to better understand the mechanisms underlying neurological disorders related to the dopaminergic system. Quinpirole exposure at the early life stages of zebrafish led to late behavioral alterations. When evaluated at 120 dpf, zebrafish presented increased anxiety-like behaviors. At the open tank test, fish remained longer at the bottom of the tank, indicating anxiety-like behavior. Furthermore, quinpirole-treated fish exhibited increased absolute turn angle, likely an indication of elevated erratic movements and a sign of increased fear or anxiety. Quinpirole-treated fish also showed altered swimming patterns, characterized by stereotypic swimming. During the open tank test, exposed zebrafish swims from corner to corner in a repetitive manner at the bottom of the tank. Moreover, quinpirole exposure led to memory impairment compared to control fish. However, quinpirole administration had no effects on social and aggressive behavior. These findings demonstrate that dopaminergic signaling altered by quinpirole administration in the early life stages of development led to late alterations in behavioral parameters of adult zebrafish.
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Affiliation(s)
- Debora Dreher Nabinger
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Stefani Altenhofen
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Julia Vasconcellos Peixoto
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Julia Maria Kuhl da Silva
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Carla Denise Bonan
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Instituto Nacional de Ciência e Tecnologia em Doenças Cerebrais, Excitotoxicidade e Neuroproteção, Porto Alegre, RS, Brazil.
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11
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Zabegalov KN, Wang D, Yang L, Wang J, Hu G, Serikuly N, Alpyshov ET, Khatsko SL, Zhdanov A, Demin KA, Galstyan DS, Volgin AD, de Abreu MS, Strekalova T, Song C, Amstislavskaya TG, Sysoev Y, Musienko PE, Kalueff AV. Decoding the role of zebrafish neuroglia in CNS disease modeling. Brain Res Bull 2020; 166:44-53. [PMID: 33027679 DOI: 10.1016/j.brainresbull.2020.09.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 09/14/2020] [Accepted: 09/25/2020] [Indexed: 12/19/2022]
Abstract
Neuroglia, including microglia and astrocytes, is a critical component of the central nervous system (CNS) that interacts with neurons to modulate brain activity, development, metabolism and signaling pathways. Thus, a better understanding of the role of neuroglia in the brain is critical. Complementing clinical and rodent data, the zebrafish (Danio rerio) is rapidly becoming an important model organism to probe the role of neuroglia in brain disorders. With high genetic and physiological similarity to humans and rodents, zebrafish possess some common (shared), as well as some specific molecular biomarkers and features of neuroglia development and functioning. Studying these common and zebrafish-specific aspects of neuroglia may generate important insights into key brain mechanisms, including neurodevelopmental, neurodegenerative, neuroregenerative and neurological processes. Here, we discuss the biology of neuroglia in humans, rodents and fish, its role in various CNS functions, and further directions of translational research into the role of neuroglia in CNS disorders using zebrafish models.
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Affiliation(s)
- Konstantin N Zabegalov
- School of Pharmacy, Southwest University, Chongqing, China; Ural Federal University, Ekaterinburg, Russia
| | - Dongmei Wang
- School of Pharmacy, Southwest University, Chongqing, China
| | - LongEn Yang
- School of Pharmacy, Southwest University, Chongqing, China
| | - Jingtao Wang
- School of Pharmacy, Southwest University, Chongqing, China
| | - Guojun Hu
- School of Pharmacy, Southwest University, Chongqing, China
| | - Nazar Serikuly
- School of Pharmacy, Southwest University, Chongqing, China
| | | | | | | | - Konstantin A Demin
- Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia; Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - David S Galstyan
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Andrey D Volgin
- Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, Russia; Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Murilo S de Abreu
- Bioscience Institute, University of Passo Fundo, Passo Fundo, Brazil; Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia.
| | - Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow, Russia; Division of Molecular Psychiatry, Centre of Mental Health, University of Würzburg, Würzburg, Germany
| | - Cai Song
- Institute for Marine Drugs and Nutrition, Guangdong Ocean University, Zhanjiang, China; Marine Medicine Development Center, Shenzhen Institute, Guangdong Ocean University, Shenzhen, China
| | - Tamara G Amstislavskaya
- Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, Russia; Zelman Institute of Medicine and Psychology, Novosibirsk State University, Novosibirsk, Russia
| | - Yury Sysoev
- Laboratory of Neuroprosthetics, Institute of Translational Biomedicine, Petersburg State University, St. Petersburg, Russia; Department of Pharmacology and Clinical Pharmacology, St. Petersburg State Chemical Pharmaceutical University, St. Petersburg, Russia
| | - Pavel E Musienko
- Laboratory of Neuroprosthetics, Institute of Translational Biomedicine, Petersburg State University, St. Petersburg, Russia; Institute of Phthisiopulmonology, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia; Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China; Ural Federal University, Ekaterinburg, Russia.
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12
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Gerlai R. Evolutionary conservation, translational relevance and cognitive function: The future of zebrafish in behavioral neuroscience. Neurosci Biobehav Rev 2020; 116:426-435. [DOI: 10.1016/j.neubiorev.2020.07.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 07/11/2020] [Accepted: 07/13/2020] [Indexed: 01/04/2023]
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13
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Marijuana and Opioid Use during Pregnancy: Using Zebrafish to Gain Understanding of Congenital Anomalies Caused by Drug Exposure during Development. Biomedicines 2020; 8:biomedicines8080279. [PMID: 32784457 PMCID: PMC7460517 DOI: 10.3390/biomedicines8080279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 08/03/2020] [Accepted: 08/06/2020] [Indexed: 01/09/2023] Open
Abstract
Marijuana and opioid addictions have increased alarmingly in recent decades, especially in the United States, posing threats to society. When the drug user is a pregnant mother, there is a serious risk to the developing baby. Congenital anomalies are associated with prenatal exposure to marijuana and opioids. Here, we summarize the current data on the prevalence of marijuana and opioid use among the people of the United States, particularly pregnant mothers. We also summarize the current zebrafish studies used to model and understand the effects of these drug exposures during development and to understand the behavioral changes after exposure. Zebrafish experiments recapitulate the drug effects seen in human addicts and the birth defects seen in human babies prenatally exposed to marijuana and opioids. Zebrafish show great potential as an easy and inexpensive model for screening compounds for their ability to mitigate the drug effects, which could lead to new therapeutics.
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14
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Goodman AC, Wong RY. Differential effects of ethanol on behavior and GABA A receptor expression in adult zebrafish (Danio rerio) with alternative stress coping styles. Sci Rep 2020; 10:13076. [PMID: 32753576 PMCID: PMC7403336 DOI: 10.1038/s41598-020-69980-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/21/2020] [Indexed: 12/15/2022] Open
Abstract
Variation in stress responses between individuals are linked to factors ranging from stress coping styles to sensitivity of neurotransmitter systems. Many anxiolytic compounds (e.g. ethanol) can increase stressor engagement through modulation of neurotransmitter systems and are used to investigate stress response mechanisms. There are two alternative suites of correlated behavioral and physiological responses to stressors (stress coping styles) that differ in exploration tendencies: proactive and reactive stress coping styles. By chronically treating individuals differing in stress coping style with ethanol, a GABA-acting drug, we assessed the role of the GABAergic system on the behavioral stress response. Specifically, we investigated resulting changes in stress-related behavior (i.e. exploratory behavior) and whole-brain GABAA receptor subunits (gabra1, gabra2, gabrd, & gabrg2) in response to a novelty stressor. We found that ethanol-treated proactive individuals showed lower stress-related behaviors than their reactive counterparts. Proactive individuals showed significantly higher expression of gabra1, gabra2, and gabrg2 compared to reactive individuals and ethanol treatment resulted in upregulation of gabra1 and gabrg2 in both stress coping styles. These results suggest that impacts of ethanol on stress-related behaviors vary by stress coping style and that expression of select GABAA receptor subunits may be one of the underlying mechanisms.
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Affiliation(s)
- Alexander C Goodman
- Department of Biology, University of Nebraska at Omaha, Omaha, NE, 68182, USA.
| | - Ryan Y Wong
- Department of Biology, University of Nebraska at Omaha, Omaha, NE, 68182, USA.
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15
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Preclinical methodological approaches investigating of the effects of alcohol on perinatal and adolescent neurodevelopment. Neurosci Biobehav Rev 2020; 116:436-451. [PMID: 32681938 DOI: 10.1016/j.neubiorev.2020.07.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 06/02/2020] [Accepted: 07/13/2020] [Indexed: 02/08/2023]
Abstract
Despite much evidence of its economic and social costs, alcohol use continues to increase. Much remains to be known as to the effects of alcohol on neurodevelopment across the lifespan and in both sexes. We provide a comprehensive overview of the methodological approaches to ethanol administration when using animal models (primarily rodent models) and their translational relevance, as well as some of the advantages and disadvantages of each approach. Special consideration is given to early developmental periods (prenatal through adolescence), as well as to the types of research questions that are best addressed by specific methodologies. The zebrafish is used increasingly in alcohol research, and how to use this model effectively as a preclinical model is reviewed as well.
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16
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Liu XYE, Park E, Barretto T, Liu E, Ferrier GA, Tavakkoli J, J Baker A. Effect of Human Umbilical Cord Perivascular Cell-Conditioned Media in an Adult Zebrafish Model of Traumatic Brain Injury. Zebrafish 2020; 17:177-186. [PMID: 32434437 DOI: 10.1089/zeb.2020.1859] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The pathophysiological events of secondary brain injury contribute to poor outcome after traumatic brain injury (TBI). The neuroprotective effects of mesenchymal cells have been extensively studied and evidence suggests that their effects are mostly mediated through paracrine effects. Human umbilical cord perivascular cells (HUCPVCs) are mesenchymal stem cells with potential therapeutic value in TBI. In this study, we assessed the effect of HUCPVC-conditioned media (CM) in an established adult zebrafish model of TBI induced by pulsed high-intensity focused ultrasound (pHIFU). This model demonstrates similarities to mammalian outcome after TBI. Administration of HUCPVC-CM 1 h postinjury (hpi) resulted in improved outcome after pHIFU-induced TBI. Western blot and immunohistochemistry results demonstrated that the HUCPVC-CM reduced (p < 0.05) reactive astrogliosis at 24 hpi. Moreover, at 24 hpi, the HUCPVC-CM treatment resulted in reduced apoptosis in HUCPVC-CM-treated zebrafish. Behavioral analysis demonstrated improvement in locomotor activity (p < 0.05) and anxiety (p < 0.05) at 6 and 24 hpi following HUCPVC-CM treatment. Overall, HUCPVC-CM treatment improved acute outcome measures in pHIFU-injured zebrafish. Collectively, the data demonstrate a cell-free treatment approach for traumatic brain injuries.
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Affiliation(s)
| | - Eugene Park
- Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada
| | - Tanya Barretto
- Institute of Medical Science, University of Toronto, Toronto, Canada
| | - Elaine Liu
- Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada
| | | | - Jahan Tavakkoli
- Department of Physics, Ryerson University, Toronto, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, Canada
| | - Andrew J Baker
- Institute of Medical Science, University of Toronto, Toronto, Canada
- Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada
- Department of Critical Care and Anesthesia, St. Michael's Hospital, Toronto, Canada
- Department of Anesthesia and Surgery, University of Toronto, Toronto, Canada
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17
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Joseph TP, Jagadeesan N, Sai LY, Lin SL, Sahu S, Schachner M. Adhesion Molecule L1 Agonist Mimetics Protect Against the Pesticide Paraquat-Induced Locomotor Deficits and Biochemical Alterations in Zebrafish. Front Neurosci 2020; 14:458. [PMID: 32547358 PMCID: PMC7270331 DOI: 10.3389/fnins.2020.00458] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/15/2020] [Indexed: 02/05/2023] Open
Abstract
Besides several endogenous elements, exogenous factors, including exposure to pesticides, have been recognized as putative factors contributing to the onset and development of neurodegenerative diseases, including Parkinson's disease (PD). Considering the availability, success rate, and limitations associated with the current arsenals to fight PD, there is an unmet need for novel therapeutic interventions. Therefore, based on the previously reported beneficial functions of the L1 cell adhesion molecule, we hypothesized that L1 mimetic compounds may serve to neutralize neurotoxicity triggered by the pesticide paraquat (PQ). In this study, we attempt to use PQ for inducing PD-like pathology and the L1 mimetic compounds phenelzine sulfate (PS) and tacrine (TC) as potential candidates for the amelioration of PD symptoms using zebrafish as a model system. Administration of PQ together with the L1 mimetic compounds PS or TC (250 nM) improved survival of zebrafish larvae, protected them from locomotor deficits, and increased their sensorimotor reflexes. Moreover, application of PQ together with PS (500 nM) or TC (1000 nM) in adult zebrafish counteracted PQ-induced toxicity, maintaining normal locomotor functions and spatial memory in an open field and T-maze task, respectively. Both L1 mimetic compounds prevented reduction in tyrosine hydroxylase and dopamine levels, reduced reactive oxygen species (ROS) generation, protected against impairment of mitochondrial viability, improved the antioxidant enzyme system, and prevented a decrease in ATP levels. Altogether, our findings highlight the beneficial functions of the agonistic L1 mimetics PS and TC by improving several vital cell functions against PQ-triggered neurotoxicity.
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Affiliation(s)
| | - Nataraj Jagadeesan
- Center of Neuroscience, Shantou University Medical College, Shantou, China
| | - Liu Yang Sai
- Center of Neuroscience, Shantou University Medical College, Shantou, China
| | - Stanley Li Lin
- Department of Cell Biology, Shantou University Medical College, Shantou, China
- Guangdong Provincial Key Laboratory for Breast Cancer Diagnosis and Treatment, Shantou University Medical College, Shantou, China
| | - Sudhanshu Sahu
- Center of Neuroscience, Shantou University Medical College, Shantou, China
| | - Melitta Schachner
- Center of Neuroscience, Shantou University Medical College, Shantou, China
- Keck Center for Collaborative Neuroscience, Department of Cell Biology and Neuroscience, School of Arts and Sciences, Rutgers, The State University of New Jersey, Piscataway, NJ, United States
- *Correspondence: Melitta Schachner, ;
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18
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Collier AD, Halkina V, Min SS, Roberts MY, Campbell SD, Camidge K, Leibowitz SF. Embryonic Ethanol Exposure Affects the Early Development, Migration, and Location of Hypocretin/Orexin Neurons in Zebrafish. Alcohol Clin Exp Res 2019; 43:1702-1713. [PMID: 31206717 DOI: 10.1111/acer.14126] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 06/03/2019] [Indexed: 01/15/2023]
Abstract
BACKGROUND Embryonic ethanol (EtOH) exposure is known to increase alcohol drinking later in life and have long-term effects on neurochemical systems in the brain. With zebrafish having marked advantages for elucidating neural mechanisms underlying brain disorders, we recently tested and showed in these fish, similar to rodents, that low-dose embryonic EtOH stimulates voluntary consumption of EtOH while increasing expression of hypocretin/orexin (hcrt) neurons, a neuropeptide that promotes consummatory and reward-related behaviors. The goal of the present study was to characterize how embryonic EtOH affects early development of the hcrt system and produces persistent changes at older ages that may contribute to this increase in EtOH consumption. METHODS We utilized live imaging and Imaris software to investigate how low-dose embryonic EtOH (0.5%), administered from 22 to 24 hours postfertilization, affects specific properties of hcrt neurons in hcrt:EGFP transgenic zebrafish at different ages. RESULTS Time-lapse imaging from 24 to 28 hpf showed that embryonic EtOH increased the number of hcrt neurons, reduced the speed, straightness, and displacement of their migratory paths, and altered their direction early in development. At older ages up to 6 dpf, the embryonic EtOH-induced increase in hcrt neurons was persistent, and the neurons became more widely dispersed. These effects of embryonic EtOH were found to be asymmetric, occurring predominantly on the left side of the brain, and at 6 dpf, they resulted in marked changes in the anatomical location of the hcrt neurons, with some detected outside their normal position in the anterior hypothalamus again primarily on the left side. CONCLUSIONS Our findings demonstrate that low-dose embryonic EtOH has diverse, persistent, and asymmetric effects on the early development of hypothalamic hcrt neurons, which lead to abnormalities in their ultimate location that may contribute to behavioral disturbances, including an increase in EtOH consumption.
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Affiliation(s)
- Adam D Collier
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
| | - Viktoriya Halkina
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
| | - Soe S Min
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
| | - Mia Y Roberts
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
| | - Samantha D Campbell
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
| | - Kaylin Camidge
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
| | - Sarah F Leibowitz
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, New York
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19
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Tsang B, Ansari R, Gerlai R. Dose dependent behavioral effects of acute alcohol administration in zebrafish fry. Pharmacol Biochem Behav 2019; 179:124-133. [PMID: 30807782 DOI: 10.1016/j.pbb.2019.02.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 02/21/2019] [Accepted: 02/22/2019] [Indexed: 11/19/2022]
Abstract
The zebrafish is becoming increasingly utilized in behavioral neuroscience as it appears to strike a good compromise between practical simplicity and system complexity. Particularly in alcohol (ethanol) research, the zebrafish has been employed as a translationally relevant model organism. However, the majority of studies investigating the effects of alcohol on brain function and behavior has used adult zebrafish. In the current study, we utilize 6-8 post-fertilization day old larval zebrafish (fry) to investigate the effects of a 40 min-long, acute, immersion into the alcohol bath. We measure the behavioral responses of the fry during the immersion session in relatively large arenas, the petri dish, instead of the often employed 96 well plate, and report on significant modification of behavior induced by alcohol. For example, we found the intermediate dose of alcohol (0.5%, vol/vol) to exert a stimulant effect manifesting as slight elevation of swim speed, robust increase of turning, temporal variability of swim speed and turning, and diminished frequency of staying immobile. We also found the high dose of 1% alcohol to elicit an opposite response, a sedative effect. This biphasic dose response of alcohol mimics what has been found in mammals, including humans, and thus we conclude that a few day-old zebrafish fry may be a cost effective and efficient tool with which one can screen for small molecules or mutations with alcohol-effect modifying properties.
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Affiliation(s)
- Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga, Canada
| | - Rida Ansari
- Department of Psychology, University of Toronto Mississauga, Canada
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Canada; Department of Cell and Systems Biology, University of Toronto, Canada.
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20
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Alcohol exposure during embryonic development: An opportunity to conduct systematic developmental time course analyses in zebrafish. Neurosci Biobehav Rev 2019; 98:185-193. [PMID: 30641117 DOI: 10.1016/j.neubiorev.2019.01.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 01/09/2019] [Accepted: 01/11/2019] [Indexed: 12/16/2022]
Abstract
Ethanol affects numerous neurobiological processes depending upon the developmental stage at which it reaches the vertebrate embryo. Exposure time dependency may explain the variable severity and manifestation of life-long symptoms observed in fetal alcohol spectrum disorder (FASD) patients. Characterization of behavioural deficits will help us understand developmental stage-dependency and its underlying biological mechanisms. Here we highlight pioneering studies that model FASD using zebrafish, including those that demonstrated developmental stage-dependency of alcohol effects on some behaviours. We also succinctly review the more expansive mammalian literature, briefly discuss potential developmental stage dependent biological mechanisms alcohol alters, and review some of the disadvantages of mammalian systems versus the zebrafish. We stress that the temporal control of alcohol administration in the externally developing zebrafish gives unprecedented precision and is a major advantage of this species over other model organisms employed so far. We also emphasize that the zebrafish is well suited for high throughput screening and will allow systematic exploration of embryonic-stage dependent alcohol effects via mutagenesis and drug screens.
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21
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Argus: An open-source and flexible software application for automated quantification of behavior during social interaction in adult zebrafish. Behav Res Methods 2018; 51:727-746. [PMID: 30105442 DOI: 10.3758/s13428-018-1083-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Zebrafish show great potential for behavioral neuroscience. Promising lines of research, however, require the development and validation of software tools that will allow automated and cost-effective behavioral analysis. Building on our previous work with the RealFishTracker (in-house-developed tracking system), we present Argus, a data extraction and analysis tool built in the open-source R language for behavioral researchers without any expertise in R. Argus includes a new, user-friendly, and efficient graphical user interface, instead of a command-line interface, and offers simplicity and flexibility in measuring complex zebrafish behavior through customizable parameters. In this article, we compare Argus with Noldus EthoVision and Noldus The Observer, to validate this new system. All three software applications were originally designed to quantify the behavior of a single subject. We first also performed an analysis of the movement of individual fish and compared the performance of the three software applications. Next we computed and quantified the behavioral variables that characterize dyadic interactions between zebrafish. We found that Argus and EthoVision extract similar absolute values and patterns of changes in these values for several behavioral measures, including speed, freezing, erratic movement, and interindividual distance. In contrast, the manual coding of behavior in The Observer showed weaker correlations with the two tracking methods (EthoVision and Argus). Thus, Argus is a novel, cost-effective, and customizable method for the analysis of adult zebrafish behavior that may be utilized for the behavioral quantification of both single and dyadic interacting subjects, but further sophistication will be needed for the proper identification of complex motor patterns, measures that a human observers can easily detect.
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22
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Soares MC, Gerlai R, Maximino C. The integration of sociality, monoamines and stress neuroendocrinology in fish models: applications in the neurosciences. JOURNAL OF FISH BIOLOGY 2018; 93:170-191. [PMID: 30043474 DOI: 10.1111/jfb.13757] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 07/12/2018] [Indexed: 06/08/2023]
Abstract
Animal-focused research has been crucial for scientific advancement, but rodents are still taking a starring role. Starting as merely supporting evidence found in rodents, the use of fish models has slowly taken a more central role and expanded its overall contributions in areas such as social sciences, evolution, physiology and recently in translational medical research. In the neurosciences, zebrafish Danio rerio have been widely adopted, contributing to our understanding of the genetic control of brain processes and the effects of pharmacological manipulations. However, discussion continues regarding the paradox of function versus structure, when fishes and mammals are compared and on the potentially evolutionarily conserved nature of behaviour across fish species. From a behavioural standpoint, we explore aversive-stress and social behaviour in selected fish models and refer to the extensive contributions of stress and monoaminergic systems. We suggest that, in spite of marked neuroanatomical differences between fishes and mammals, stress and sociality are conserved at the behavioural and molecular levels. We also suggest that stress and sociality are mediated by monoamines in predictable and non-trivial ways and that monoamines could bridge the relationship between stress and social behaviour. To reconcile the level of divergence with the level of similarity, we need neuroanatomical, pharmacological, behavioural and ecological studies conducted in the laboratory and in nature. These areas need to add to each other to enhance our understanding of fish behaviour and ultimately how this all may lead to better model systems for translational studies.
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Affiliation(s)
- Marta C Soares
- Centro de Investigação em Biodiversidade e Recursos Genéticos - CIBIO, Universidade do Porto, Vairão, Portugal
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Mississauga, Canada
| | - Caio Maximino
- Laboratório de Neurociências e Comportamento 'Frederico Guilherme Graeff', Instituto de Estudos em Saúde e Biológicas - IESB, Universidade Federal do Sul e Sudeste do Pará, Marabá, Brazil
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23
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Biswas S, Balodia N, Bellare J. Comparative neurotoxicity study of mercury-based inorganic compounds including Ayurvedic medicines Rasasindura and Kajjali in zebrafish model. Neurotoxicol Teratol 2018; 66:25-34. [DOI: 10.1016/j.ntt.2018.01.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 01/16/2018] [Accepted: 01/17/2018] [Indexed: 01/17/2023]
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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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25
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McCutcheon V, Park E, Liu E, Sobhebidari P, Tavakkoli J, Wen XY, Baker AJ. A Novel Model of Traumatic Brain Injury in Adult Zebrafish Demonstrates Response to Injury and Treatment Comparable with Mammalian Models. J Neurotrauma 2016; 34:1382-1393. [PMID: 27650063 DOI: 10.1089/neu.2016.4497] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of death and morbidity in industrialized countries with considerable associated health care costs. The cost and time associated with pre-clinical development of TBI therapeutics is lengthy and expensive with a poor track record of successful translation to the clinic. The zebrafish is an emerging model organism in research with unique technical and genomic strengths in the study of disease and development. Its high degree of genetic homology and cell signaling pathways relative to mammalian species and amenability to high and medium throughput assays has potential to accelerate the rate of therapeutic drug identification. Accordingly, we developed a novel closed-head model of TBI in adult zebrafish using a targeted, pulsed, high-intensity focused ultrasound (pHIFU) to induce mechanical injury of the brain. Western blot results indicated altered microtubule and neurofilament expression as well as increased expression of cleaved caspase-3 and beta APP (β-APP; p < 0.05). We used automated behavioral tracking software to evaluate locomotor deficits 24 and 48 h post-injury. Significant behavioral impairment included decreased swim distance and velocity (p < 0.05), as well as heightened anxiety and altered group social dynamics. Responses to injury were pHIFU dose-dependent and modifiable with MK-801, MDL-28170, or temperature modulation. Together, results indicate that the zebrafish exhibits responses to injury and intervention similar to mammalian TBI pathophysiology and suggest the potential for use to rapidly evaluate therapeutic compounds with high efficiency.
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Affiliation(s)
| | - Eugene Park
- 2 Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital , Toronto, Ontario, Canada
| | - Elaine Liu
- 2 Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital , Toronto, Ontario, Canada
| | - Pooya Sobhebidari
- 3 Department of Physics, Ryerson University , Toronto, Ontario, Canada
| | - Jahan Tavakkoli
- 2 Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital , Toronto, Ontario, Canada .,3 Department of Physics, Ryerson University , Toronto, Ontario, Canada
| | - Xiao-Yan Wen
- 2 Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital , Toronto, Ontario, Canada .,4 Departments of Medicine and Physiology, University of Toronto , Ontario, Canada
| | - Andrew J Baker
- 1 Institute of Medical Sciences, University of Toronto , Ontario, Canada .,2 Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital , Toronto, Ontario, Canada .,5 Departments of Anesthesia and Surgery, University of Toronto , Ontario, Canada
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26
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Gerlai R, Poshusta TL, Rampersad M, Fernandes Y, Greenwood TM, Cousin MA, Klee EW, Clark KJ. Forward Genetic Screening Using Behavioral Tests in Zebrafish: A Proof of Concept Analysis of Mutants. Behav Genet 2016; 47:125-139. [DOI: 10.1007/s10519-016-9818-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 09/08/2016] [Indexed: 10/20/2022]
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27
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Bai Y, Liu H, Huang B, Wagle M, Guo S. Identification of environmental stressors and validation of light preference as a measure of anxiety in larval zebrafish. BMC Neurosci 2016; 17:63. [PMID: 27633776 PMCID: PMC5025543 DOI: 10.1186/s12868-016-0298-z] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 09/07/2016] [Indexed: 01/29/2023] Open
Abstract
Background Larval zebrafish, with a simple and transparent vertebrate brain composed of ~100 K neurons, is well suited for deciphering entire neural circuit activity underlying behavior. Moreover, their small body size (~4–5 mm in length) is compatible with 96-well plates, making larval zebrafish amenable to high content screening. Despite these attractive features, there is a scarcity of behavioral characterizations in larval zebrafish compared to other model organisms as well as adult zebrafish. Results In this study, we have characterized the physiological and behavioral responses of larval zebrafish to several easily amenable stimuli, including heat, cold, UV, mechanical disturbance (MD), and social isolation (SI). These stimuli are selected based on their perceived aversive nature to larval zebrafish. Using a light/dark choice paradigm, in which larval zebrafish display an innate dark avoidance behavior (i.e. scotophobia), we find that heat, cold and UV stimuli significantly enhance their dark avoidance with heat having the most striking effect, whereas MD and SI have little influence on the behavior. Surprisingly, using the cortisol assay, a physiological measure of stress, we uncover that all stimuli but heat and SI significantly increase the whole body cortisol levels. Conclusion These results identify a series of stressors that can be easily administered to larval zebrafish. Those stimuli that elicit differential responses at behavioral and physiological levels warrant further studies at circuit levels to understand the underlying mechanisms. The findings that various stressors enhance while anxiolytics attenuate dark avoidance further reinforce that the light/dark preference behavior in larval zebrafish is fear/anxiety-associated.
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Affiliation(s)
- Yiming Bai
- State Key Laboratory of Genetic Engineering, Department of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Harrison Liu
- Graduate Program in Bioengineering, University of California, San Francisco, CA, USA.,Department of Pharmaceutical Chemistry, University of California, San Francisco, CA, USA
| | - Bo Huang
- Graduate Program in Bioengineering, University of California, San Francisco, CA, USA.,Department of Pharmaceutical Chemistry, University of California, San Francisco, CA, USA
| | - Mahendra Wagle
- Department of Bioengineering and Therapeutic Sciences, Programs in Human Genetics and Biological Sciences, Wheeler Center for the Neurobiology of Addiction, University of California, San Francisco, CA, USA.
| | - Su Guo
- State Key Laboratory of Genetic Engineering, Department of Genetics, School of Life Sciences, Fudan University, Shanghai, China. .,Department of Bioengineering and Therapeutic Sciences, Programs in Human Genetics and Biological Sciences, Wheeler Center for the Neurobiology of Addiction, University of California, San Francisco, CA, USA.
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28
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Nunes ME, Müller TE, Braga MM, Fontana BD, Quadros VA, Marins A, Rodrigues C, Menezes C, Rosemberg DB, Loro VL. Chronic Treatment with Paraquat Induces Brain Injury, Changes in Antioxidant Defenses System, and Modulates Behavioral Functions in Zebrafish. Mol Neurobiol 2016; 54:3925-3934. [PMID: 27229491 DOI: 10.1007/s12035-016-9919-x] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 05/03/2016] [Indexed: 01/02/2023]
Abstract
Paraquat (PQ) administration consists in a chemical model that mimics phenotypes observed in Parkinson's disease (PD), due to its ability to induce changes in dopaminergic system and oxidative stress. The aim of this study was to evaluate the actions of PQ in behavioral functions of adult zebrafish and its influence on oxidative stress biomarkers in brain samples. PQ (20 mg/kg) was administered intraperitoneally with six injections for 16 days (one injection every 3 days). PQ-treated group showed a significant decrease in the time spent in the bottom section and a shorter latency to enter the top area in the novel tank test. Moreover, PQ-exposed fish showed a significant decrease in the number and duration of risk assessment episodes in the light-dark test, as well as an increase in the agonistic behavior in the mirror-induced aggression (MIA) test. PQ induced brain damage by decreasing mitochondrial viability. Concerning the antioxidant defense system, PQ increased catalase (CAT) and glutathione peroxidase (GPx) activities, as well as the non-protein sulfhydryl content (NPSH), but did not change ROS formation and decreased lipid peroxidation. We demonstrate, for the first time, that PQ induces an increase in aggressive behavior, alters non-motor patterns associated to defensive behaviors, and changes redox parameters in zebrafish brain. Overall, our findings may serve as useful tools to investigate the interaction between behavioral and neurochemical impairments triggered by PQ administration in zebrafish.
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Affiliation(s)
- Mauro E Nunes
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Talise E Müller
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Marcos M Braga
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Barbara D Fontana
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Vanessa A Quadros
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Aline Marins
- Programa de Pós-Graduação em Biodiversidade Animal, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Cíntia Rodrigues
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Charlene Menezes
- Programa de Pós-Graduação em Biodiversidade Animal, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Denis B Rosemberg
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Vania Lucia Loro
- Programa de Pós-Graduação em Bioquímica Toxicológica e Biodiversidade Animal, Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil. .,Programa de Pós-Graduação em Biodiversidade Animal, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
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McCutcheon V, Park E, Liu E, Wang Y, Wen XY, Baker AJ. A Model of Excitotoxic Brain Injury in Larval Zebrafish: Potential Application for High-Throughput Drug Evaluation to Treat Traumatic Brain Injury. Zebrafish 2016; 13:161-9. [PMID: 27028704 DOI: 10.1089/zeb.2015.1188] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of death and morbidity with no effective therapeutic treatments for secondary injury. Preclinical drug evaluation in rodent models of TBI is a lengthy process. In this regard, the zebrafish has numerous advantages to address the technical and time-dependent obstacles associated with drug evaluation. We developed a reproducible brain injury using glutamate excitoxicity in zebrafish larvae, a known initiator of delayed cell death in TBI. Glutamate challenge resulted in dose-dependent lethality over an 84-h observation period. We report significant decrease in locomotion (p < 0.0001) and mean velocity (p < 0.001) with 10 μM glutamate application as measured through automated 96-well plate behavioral analysis. Application of the NMDA receptor antagonist MK-801 (400 nM) or the calpain inhibitor, MDL-28170 (20 μM), resulted in significant recovery of locomotor function. A secA5-YFP transgenic line was used to visualize the localization of cell death due to glutamate exposure in vivo using confocal fluorescence microscopy. Our results indicate that zebrafish larvae exhibit responses to excitotoxic injury and pharmacotherapeutic intervention with pathophysiological relevance to mammalian excitotoxic brain injury. This system has potential to be applied as a high-throughput drug screening model to quickly identify candidate lead compounds for further evaluation.
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Affiliation(s)
- Victoria McCutcheon
- 1 Institute of Medical Sciences, University of Toronto , Toronto, Ontario, Canada .,2 Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute , St. Michael's Hospital, Toronto, Ontario, Canada
| | - Eugene Park
- 2 Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute , St. Michael's Hospital, Toronto, Ontario, Canada
| | - Elaine Liu
- 2 Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute , St. Michael's Hospital, Toronto, Ontario, Canada
| | - Youdong Wang
- 2 Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute , St. Michael's Hospital, Toronto, Ontario, Canada
| | - Xiao-Yan Wen
- 1 Institute of Medical Sciences, University of Toronto , Toronto, Ontario, Canada .,2 Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute , St. Michael's Hospital, Toronto, Ontario, Canada .,3 Department of Medicine, University of Toronto , Toronto, Ontario, Canada .,4 Department of Physiology, University of Toronto , Toronto, Ontario, Canada
| | - Andrew J Baker
- 1 Institute of Medical Sciences, University of Toronto , Toronto, Ontario, Canada .,2 Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute , St. Michael's Hospital, Toronto, Ontario, Canada .,5 Department of Anesthesia, University of Toronto , Toronto, Ontario, Canada .,6 Department of Surgery, University of Toronto , Toronto, Ontario, Canada
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30
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Sterling ME, Chang GQ, Karatayev O, Chang SY, Leibowitz SF. Effects of embryonic ethanol exposure at low doses on neuronal development, voluntary ethanol consumption and related behaviors in larval and adult zebrafish: Role of hypothalamic orexigenic peptides. Behav Brain Res 2016; 304:125-38. [PMID: 26778786 DOI: 10.1016/j.bbr.2016.01.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 12/03/2015] [Accepted: 01/05/2016] [Indexed: 12/28/2022]
Abstract
Embryonic exposure to ethanol is known to affect neurochemical systems in rodents and increase alcohol drinking and related behaviors in humans and rodents. With zebrafish emerging as a powerful tool for uncovering neural mechanisms of numerous diseases and exhibiting similarities to rodents, the present report building on our rat studies examined in zebrafish the effects of embryonic ethanol exposure on hypothalamic neurogenesis, expression of orexigenic neuropeptides, and voluntary ethanol consumption and locomotor behaviors in larval and adult zebrafish, and also effects of central neuropeptide injections on these behaviors affected by ethanol. At 24h post-fertilization, zebrafish embryos were exposed for 2h to ethanol, at low concentrations of 0.25% and 0.5%, in the tank water. Embryonic ethanol compared to control dose-dependently increased hypothalamic neurogenesis and the proliferation and expression of the orexigenic peptides, galanin (GAL) and orexin (OX), in the anterior hypothalamus. These changes in hypothalamic peptide neurons were accompanied by an increase in voluntary consumption of 10% ethanol-gelatin and in novelty-induced locomotor and exploratory behavior in adult zebrafish and locomotor activity in larvae. After intracerebroventricular injection, these peptides compared to vehicle had specific effects on these behaviors altered by ethanol, with GAL stimulating consumption of 10% ethanol-gelatin more than plain gelatin food and OX stimulating novelty-induced locomotor behavior while increasing intake of food and ethanol equally. These results, similar to those obtained in rats, suggest that the ethanol-induced increase in genesis and expression of these hypothalamic peptide neurons contribute to the behavioral changes induced by embryonic exposure to ethanol.
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Affiliation(s)
- M E Sterling
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, United States
| | - G-Q Chang
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, United States
| | - O Karatayev
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, United States
| | - S Y Chang
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, United States
| | - S F Leibowitz
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, United States.
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31
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Tran S, Facciol A, Gerlai R. The Zebrafish, a Novel Model Organism for Screening Compounds Affecting Acute and Chronic Ethanol-Induced Effects. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2016; 126:467-84. [DOI: 10.1016/bs.irn.2016.02.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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32
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The effect of the number and size of animated conspecific images on shoaling responses of zebrafish. Pharmacol Biochem Behav 2015; 139 Pt B:94-102. [DOI: 10.1016/j.pbb.2015.01.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 12/15/2014] [Accepted: 01/19/2015] [Indexed: 12/14/2022]
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33
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The Difference between Anxiolytic and Anxiogenic Effects Induced by Acute and Chronic Alcohol Exposure and Changes in Associative Learning and Memory Based on Color Preference and the Cause of Parkinson-Like Behaviors in Zebrafish. PLoS One 2015; 10:e0141134. [PMID: 26558894 PMCID: PMC4641683 DOI: 10.1371/journal.pone.0141134] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 10/04/2015] [Indexed: 01/29/2023] Open
Abstract
We describe an interdisciplinary comparison of the effects of acute and chronic alcohol exposure in terms of their disturbance of light, dark and color preferences and the occurrence of Parkinson-like behavior in zebrafish through computer visual tracking, data mining, and behavioral and physiological analyses. We found that zebrafish in anxiolytic and anxious states, which are induced by acute and chronic repeated alcohol exposure, respectively, display distinct emotional reactions in light/dark preference tests as well as distinct learning and memory abilities in color-enhanced conditional place preference (CPP) tests. Additionally, compared with the chronic alcohol (1.0%) treatment, acute alcohol exposure had a significant, dose-dependent effect on anxiety, learning and memory (color preference) as well as locomotive activities. Acute exposure doses (0.5%, 1.0%, and 1.5%) generated an “inverted V” dose-dependent pattern in all of the behavioral parameters, with 1.0% having the greatest effect, while the chronic treatment had a moderate effect. Furthermore, by measuring locomotive activity, learning and memory performance, the number of dopaminergic neurons, tyrosine hydroxylase expression, and the change in the photoreceptors in the retina, we found that acute and chronic alcohol exposure induced varying degrees of Parkinson-like symptoms in zebrafish. Taken together, these results illuminated the behavioral and physiological mechanisms underlying the changes associated with learning and memory and the cause of potential Parkinson-like behaviors in zebrafish due to acute and chronic alcohol exposure.
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34
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Stewart AM, Grieco F, Tegelenbosch RA, Kyzar EJ, Nguyen M, Kaluyeva A, Song C, Noldus LP, Kalueff AV. A novel 3D method of locomotor analysis in adult zebrafish: Implications for automated detection of CNS drug-evoked phenotypes. J Neurosci Methods 2015; 255:66-74. [DOI: 10.1016/j.jneumeth.2015.07.023] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 07/20/2015] [Accepted: 07/23/2015] [Indexed: 01/16/2023]
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35
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Acute caffeine administration affects zebrafish response to a robotic stimulus. Behav Brain Res 2015; 289:48-54. [DOI: 10.1016/j.bbr.2015.04.020] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Revised: 04/08/2015] [Accepted: 04/11/2015] [Indexed: 11/22/2022]
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36
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Gerlai R. Embryonic alcohol exposure: Towards the development of a zebrafish model of fetal alcohol spectrum disorders. Dev Psychobiol 2015; 57:787-98. [DOI: 10.1002/dev.21318] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Accepted: 04/08/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Robert Gerlai
- Department of Psychology; University of Toronto Mississsauga; 3359 Mississauga Road North Mississauga Ontario L5L 1C6 Canada
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37
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Wong RY, Lamm MS, Godwin J. Characterizing the neurotranscriptomic states in alternative stress coping styles. BMC Genomics 2015; 16:425. [PMID: 26032017 PMCID: PMC4450845 DOI: 10.1186/s12864-015-1626-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 05/08/2015] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Animals experience stress in many contexts and often successfully cope. Individuals exhibiting the proactive versus reactive stress coping styles display qualitatively different behavioral and neuroendocrine responses to stressors. The predisposition to exhibiting a particular coping style is due to genetic and environmental factors. In this study we explore the neurotranscriptomic and gene network biases that are associated with differences between zebrafish (Danio rerio) lines selected for proactive and reactive coping styles and reared in a common garden environment. RESULTS Using RNA-sequencing we quantified the basal transcriptomes from the brains of wild-derived zebrafish lines selectively bred to exhibit the proactive or reactive stress coping style. We identified 1953 genes that differed in baseline gene expression levels. Weighted gene coexpression network analyses identified one gene module associated with line differences. Together with our previous pharmacological experiment, we identified a core set of 62 genes associated with line differences. Gene ontology analyses reveal that many of these core genes are implicated in neurometabolism (e.g. organic acid biosynthetic and fatty acid metabolic processes). CONCLUSIONS Our results show that proactive and reactive stress coping individuals display distinct basal neurotranscriptomic states. Differences in baseline expression of select genes or regulation of specific gene modules are linked to the magnitude of the behavioral response and the display of a coping style, respectively. Our results expand the molecular mechanisms of stress coping from one focused on the neurotransmitter systems to a more complex system that involves an organism's capability to handle neurometabolic loads and allows for comparisons with other animal taxa to uncover potential conserved mechanisms.
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Affiliation(s)
- Ryan Y Wong
- Department of Biological Sciences, W.M. Keck Center for Behavioral Biology, North Carolina State University, Box 7614, Raleigh, NC 27695-7614, USA.
- Current Address: Department of Biology, University of Nebraska at Omaha, Omaha, NE 68182, USA.
| | - Melissa S Lamm
- Department of Biological Sciences, W.M. Keck Center for Behavioral Biology, North Carolina State University, Box 7614, Raleigh, NC 27695-7614, USA.
| | - John Godwin
- Department of Biological Sciences, W.M. Keck Center for Behavioral Biology, North Carolina State University, Box 7614, Raleigh, NC 27695-7614, USA.
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Ladu F, Bartolini T, Panitz SG, Chiarotti F, Butail S, Macrì S, Porfiri M. Live Predators, Robots, and Computer-Animated Images Elicit Differential Avoidance Responses in Zebrafish. Zebrafish 2015; 12:205-14. [DOI: 10.1089/zeb.2014.1041] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Fabrizio Ladu
- Department of Mechanical and Aerospace Engineering, New York University Polytechnic School of Engineering, Brooklyn, New York
| | - Tiziana Bartolini
- Department of Mechanical and Aerospace Engineering, New York University Polytechnic School of Engineering, Brooklyn, New York
| | - Sarah G. Panitz
- Department of Mechanical and Aerospace Engineering, New York University Polytechnic School of Engineering, Brooklyn, New York
| | - Flavia Chiarotti
- Section of Neurotoxicology and Neuroendocrinology, Department of Cell Biology and Neuroscience, Istituto Superiore di Sanità, Rome, Italy
| | - Sachit Butail
- Indraprastha Institute of Information Technology Delhi (IIITD), New Delhi, India
| | - Simone Macrì
- Department of Mechanical and Aerospace Engineering, New York University Polytechnic School of Engineering, Brooklyn, New York
- Section of Behavioral Neuroscience, Department of Cell Biology and Neuroscience, Istituto Superiore di Sanità, Rome, Italy
| | - Maurizio Porfiri
- Department of Mechanical and Aerospace Engineering, New York University Polytechnic School of Engineering, Brooklyn, New York
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39
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Jones LJ, Norton WH. Using zebrafish to uncover the genetic and neural basis of aggression, a frequent comorbid symptom of psychiatric disorders. Behav Brain Res 2015; 276:171-80. [DOI: 10.1016/j.bbr.2014.05.055] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 05/23/2014] [Accepted: 05/26/2014] [Indexed: 12/31/2022]
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40
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Kalueff AV, Echevarria DJ, Stewart AM. Gaining translational momentum: more zebrafish models for neuroscience research. Prog Neuropsychopharmacol Biol Psychiatry 2014; 55:1-6. [PMID: 24593944 DOI: 10.1016/j.pnpbp.2014.01.022] [Citation(s) in RCA: 151] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 01/13/2014] [Accepted: 01/13/2014] [Indexed: 01/03/2023]
Abstract
Zebrafish (Danio rerio) are rapidly becoming a popular model organism in translational neuroscience and biological psychiatry research. Here we discuss conceptual, practical and other related aspects of using zebrafish in this field ("from tank to bedside"), and critically evaluate both advantages and limitations of zebrafish models of human brain disorders. We emphasize the need to more actively develop zebrafish models for neuroscience research focusing on complex traits.
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Affiliation(s)
- Allan V Kalueff
- ZENEREI Institute and Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
| | - David J Echevarria
- Department of Psychology, University of Southern Mississippi, 118 College Drive, Hattiesburg, MS 39406, USA
| | - Adam Michael Stewart
- ZENEREI Institute and Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA; Department of Neuroscience, University of Pittsburgh, A210 Langley Hall, Pittsburgh, PA 15260, USA
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41
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Tran S, Gerlai R. Recent advances with a novel model organism: alcohol tolerance and sensitization in zebrafish (Danio rerio). Prog Neuropsychopharmacol Biol Psychiatry 2014; 55:87-93. [PMID: 24593943 PMCID: PMC4225077 DOI: 10.1016/j.pnpbp.2014.02.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 02/06/2014] [Accepted: 02/06/2014] [Indexed: 11/18/2022]
Abstract
Alcohol abuse and dependence are a rapidly growing problem with few treatment options available. The zebrafish has become a popular animal model for behavioral neuroscience. This species may be appropriate for investigating the effects of alcohol on the vertebrate brain. In the current review, we examine the literature by discussing how alcohol alters behavior in zebrafish and how it may affect biological correlates. We focus on two phenomena that are often examined in the context of alcohol-induced neuroplasticity. Alcohol tolerance (a progressive decrease in the effect of alcohol over time) is often observed following continuous (chronic) exposure to low concentrations of alcohol. Alcohol sensitization also called reverse tolerance (a progressive increase in the effect of alcohol over time) is often observed following repeated discrete exposures to higher concentrations of alcohol. These two phenomena may underlie the development and maintenance of alcohol addiction. The phenotypical characterization of these responses in zebrafish may be the first important steps in establishing this species as a tool for the analysis of the molecular and neurobiological mechanisms underlying human alcohol addiction.
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Affiliation(s)
- Steven Tran
- University of Toronto, Department of Cell and Systems Biology, Canada
| | - Robert Gerlai
- University of Toronto, Department of Cell and Systems Biology, Canada; University of Toronto at Mississauga, Department of Psychology, Canada.
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42
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Clift D, Richendrfer H, Thorn RJ, Colwill RM, Creton R. High-throughput analysis of behavior in zebrafish larvae: effects of feeding. Zebrafish 2014; 11:455-61. [PMID: 25153037 DOI: 10.1089/zeb.2014.0989] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Early brain development can be influenced by numerous genetic and environmental factors, with long-lasting effects on brain function and behavior. Identification of these factors is facilitated by high-throughput analyses of behavior in zebrafish larvae, which can be imaged in multiwell or multilane plates. However, the nutritional needs of zebrafish larvae during the behavioral experiments are not fully understood. Zebrafish larvae begin feeding between 4 and 5 days postfertilization (dpf), but can live solely on nutrients derived from the yolk until at least 7 dpf. To examine whether feeding affects behavior, we measured a broad range of behaviors with and without feeding at 5, 6, and 7 dpf. We found that feeding did not have a significant effect on behavior in 5-day-old larvae. In contrast, fed 6- and 7-day-old larvae displayed increased avoidance responses to visual stimuli, increased swim speeds, and decreased resting in comparison to unfed larvae. In addition, the fed 7-day-old larvae displayed a decrease in thigmotaxis and a decrease in the distance between larvae in the presence of visual stimuli. Thus, feeding affects a range of behaviors in 6- and 7-day-old larvae. We conclude that 5-day-old larvae are well-suited for high-throughput analyses of behavior, since effects of feeding can be avoided at this time. For high-throughput analyses of behavior in older larvae, standard feeding protocols need to be developed.
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Affiliation(s)
- Danielle Clift
- 1 Department of Molecular Biology, Cell Biology and Biochemistry, Brown University , Providence, Rhode Island
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Harris MP, Henke K, Hawkins MB, Witten PE. Fish is Fish: the use of experimental model species to reveal causes of skeletal diversity in evolution and disease. ZEITSCHRIFT FUR ANGEWANDTE ICHTHYOLOGIE = JOURNAL OF APPLIED ICHTHYOLOGY 2014; 30:616-629. [PMID: 25221374 PMCID: PMC4159207 DOI: 10.1111/jai.12533] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Fishes are wonderfully diverse. This variety is a result of the ability of ray-finned fishes to adapt to a wide range of environments, and has made them more specious than the rest of vertebrates combined. With such diversity it is easy to dismiss comparisons between distantly related fishes in efforts to understand the biology of a particular fish species. However, shared ancestry and the conservation of developmental mechanisms, morphological features and physiology provide the ability to use comparative analyses between different organisms to understand mechanisms of development and physiology. The use of species that are amenable to experimental investigation provides tools to approach questions that would not be feasible in other 'non-model' organisms. For example, the use of small teleost fishes such as zebrafish and medaka has been powerful for analysis of gene function and mechanisms of disease in humans, including skeletal diseases. However, use of these fish to aid in understanding variation and disease in other fishes has been largely unexplored. This is especially evident in aquaculture research. Here we highlight the utility of these small laboratory fishes to study genetic and developmental factors that underlie skeletal malformations that occur under farming conditions. We highlight several areas in which model species can serve as a resource for identifying the causes of variation in economically important fish species as well as to assess strategies to alleviate the expression of the variant phenotypes in farmed fish. We focus on genetic causes of skeletal deformities in the zebrafish and medaka that closely resemble phenotypes observed both in farmed as well as natural populations of fishes.
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Affiliation(s)
- M P Harris
- Department of Genetics, Harvard Medical School, Boston, MA, USA ; Department of Orthopaedic Research, Boston Children's Hospital, Boston, MA, USA
| | - K Henke
- Department of Genetics, Harvard Medical School, Boston, MA, USA ; Department of Orthopaedic Research, Boston Children's Hospital, Boston, MA, USA
| | - M B Hawkins
- Department of Genetics, Harvard Medical School, Boston, MA, USA ; Department of Orthopaedic Research, Boston Children's Hospital, Boston, MA, USA ; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - P E Witten
- Department of Biology, Ghent University, Ghent, Belgium
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44
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The tyrosine hydroxylase 2 (TH2) system in zebrafish brain and stress activation of hypothalamic cells. Histochem Cell Biol 2014; 142:619-33. [PMID: 25028341 DOI: 10.1007/s00418-014-1240-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2014] [Indexed: 01/13/2023]
Abstract
Two tyrosine hydroxylases (TH1 and TH2) are found in teleost fish, but no antibodies are available for TH2 protein to analyze the detailed structure of the system. We generated antibodies targeting TH2 and used them to characterize the TH2-producing cells in larval and adult zebrafish brain. The rabbit antisera reliably detected two bands corresponding to TH1 and TH2 close to 55 kDa in brain homogenates. The antisera detected neurons in brain nuclei which express th1 and th2 mRNA; knockdown of th2 expression by morpholino oligonucleotide injection abolished both the th2 mRNA signal and immunoreactivity with the rabbit antisera in TH2 cells. Double staining of samples with the rabbit antiserum made against TH2 and a monoclonal antibody which detects only TH1 allowed identification of cell groups expressing either one of the proteins. Cell groups in preoptic area, anterior, intermediate, and posterior part of the paraventricular organ contained neurons stained with the new TH2 antisera but not with the characterized monoclonal TH1 antibody. Neurons immunoreactive for TH2 and 5-HT were distinct. In situ hybridization for the mRNA of the immediate early gene c-fos combined with TH1/TH2 immunohistochemistry was used to characterize the cells of the zebrafish brain reacting to handling stress and a noxious chemical stimulus. Strong upregulation of c-fos expression was detected in hypothalamic nuclei containing TH2 cells, but few of the c-fos-expressing cells were positive for TH2, suggesting that these stressors do not directly activate a large proportion of TH2 cells.
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45
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Buske C, Gerlai R. Diving deeper into Zebrafish development of social behavior: analyzing high resolution data. J Neurosci Methods 2014; 234:66-72. [PMID: 24970579 DOI: 10.1016/j.jneumeth.2014.06.019] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 06/16/2014] [Accepted: 06/16/2014] [Indexed: 11/16/2022]
Abstract
Vertebrate model organisms have been utilized in high throughput screening but only with substantial cost and human capital investment. The zebrafish is a vertebrate model species that is a promising and cost effective candidate for efficient high throughput screening. Larval zebrafish have already been successfully employed in this regard (Lessman, 2011), but adult zebrafish also show great promise. High throughput screening requires the use of a large number of subjects and collection of substantial amount of data. Collection of data is only one of the demanding aspects of screening. However, in most screening approaches that involve behavioral data the main bottleneck that slows throughput is the time consuming aspect of analysis of the collected data. Some automated analytical tools do exist, but often they only work for one subject at a time, eliminating the possibility of fully utilizing zebrafish as a screening tool. This is a particularly important limitation for such complex phenotypes as social behavior. Testing multiple fish at a time can reveal complex social interactions but it may also allow the identification of outliers from a group of mutagenized or pharmacologically treated fish. Here, we describe a novel method using a custom software tool developed within our laboratory, which enables tracking multiple fish, in combination with a sophisticated analytical approach for summarizing and analyzing high resolution behavioral data. This paper focuses on the latter, the analytic tool, which we have developed using the R programming language and environment for statistical computing. We argue that combining sophisticated data collection methods with appropriate analytical tools will propel zebrafish into the future of neurobehavioral genetic research.
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Affiliation(s)
- Christine Buske
- Papers/Springer SBM, London, UK (previously: University of Toronto, Department of Cell & Systems Biology); University of Toronto Mississauga, Department of Psychology, Toronto, Canada.
| | - Robert Gerlai
- University of Toronto Mississauga, Department of Psychology, Toronto, Canada
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46
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Qin M, Wong A, Seguin D, Gerlai R. Induction of social behavior in zebrafish: live versus computer animated fish as stimuli. Zebrafish 2014; 11:185-97. [PMID: 24575942 PMCID: PMC4050712 DOI: 10.1089/zeb.2013.0969] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The zebrafish offers an excellent compromise between system complexity and practical simplicity and has been suggested as a translational research tool for the analysis of human brain disorders associated with abnormalities of social behavior. Unlike laboratory rodents zebrafish are diurnal, thus visual cues may be easily utilized in the analysis of their behavior and brain function. Visual cues, including the sight of conspecifics, have been employed to induce social behavior in zebrafish. However, the method of presentation of these cues and the question of whether computer animated images versus live stimulus fish have differential effects have not been systematically analyzed. Here, we compare the effects of five stimulus presentation types: live conspecifics in the experimental tank or outside the tank, playback of video-recorded live conspecifics, computer animated images of conspecifics presented by two software applications, the previously employed General Fish Animator, and a new application Zebrafish Presenter. We report that all stimuli were equally effective and induced a robust social response (shoaling) manifesting as reduced distance between stimulus and experimental fish. We conclude that presentation of live stimulus fish, or 3D images, is not required and 2D computer animated images are sufficient to induce robust and consistent social behavioral responses in zebrafish.
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Affiliation(s)
- Meiying Qin
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario, Canada
- Department of Computer Science, University of Toronto Mississauga, Mississauga, Ontario, Canada
| | - Albert Wong
- Department of Computer Science, University of Toronto Mississauga, Mississauga, Ontario, Canada
| | - Diane Seguin
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario, Canada
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario, Canada
- Department of Cell and System Biology, University of Toronto, Toronto, Ontario, Canada
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Gerlai R. Social behavior of zebrafish: from synthetic images to biological mechanisms of shoaling. J Neurosci Methods 2014; 234:59-65. [PMID: 24793400 DOI: 10.1016/j.jneumeth.2014.04.028] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 04/20/2014] [Accepted: 04/24/2014] [Indexed: 11/16/2022]
Abstract
The zebrafish strikes a good balance between system complexity and practical simplicity and as a result it is becoming increasingly frequently utilized in biomedical research as a translational tool. Numerous human brain disorders are associated with abnormal social behavior and the zebrafish has been suggested for modeling such disorders. To start this line of research, however, one may need to first thoroughly examine the laboratory organism, zebrafish, and its features, social behavior in this case. Proper methods need be developed to induce and quantify social behavior. These paradigms may be able to open a window to the brain and facilitate the understanding of the biological mechanisms of social behavior and its abnormalities. This review is based on an oral paper presented at the last Measuring Behavior Conference, and as such it is mainly focused on research conducted in my own laboratory. Tracing the temporal progression of our own work, it discusses questions including what shoaling is, how it can be induced and measured and how it can be utilized in the modeling of certain human brain disorders, for example, alcohol induced abnormalities.
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Affiliation(s)
- Robert Gerlai
- University of Toronto Mississauga, Department of Psychology, Canada.
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48
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Gerlai R. Fish in behavior research: unique tools with a great promise! J Neurosci Methods 2014; 234:54-8. [PMID: 24768578 DOI: 10.1016/j.jneumeth.2014.04.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 04/15/2014] [Accepted: 04/15/2014] [Indexed: 11/24/2022]
Abstract
Fish represent the most diverse class of vertebrates on Earth and also an unprecedented, but as of yet still largely untapped, resource for comparative analyses that can illuminate answers to questions about both how organisms work and how they evolved. The current review is a general discussion of some of the basic principles of why adding new species such as fish to the short list of biomedical model organisms (mainly the house mouse and the rat) has merit. In addition to the general points, it also reviews some questions about a newcomer, the zebrafish, which is rapidly gaining popularity in brain and behavior research. It discusses some examples demonstrating the advantages and disadvantages of the zebrafish mainly in the context of biomedical research. It is followed by other articles that further elaborate on these questions.
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Affiliation(s)
- Robert Gerlai
- University of Toronto Mississauga, Department of Psychology, Canada.
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49
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Stewart AM, Braubach O, Spitsbergen J, Gerlai R, Kalueff AV. Zebrafish models for translational neuroscience research: from tank to bedside. Trends Neurosci 2014; 37:264-78. [PMID: 24726051 DOI: 10.1016/j.tins.2014.02.011] [Citation(s) in RCA: 449] [Impact Index Per Article: 44.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 02/24/2014] [Accepted: 02/25/2014] [Indexed: 01/23/2023]
Abstract
The zebrafish (Danio rerio) is emerging as a new important species for studying mechanisms of brain function and dysfunction. Focusing on selected central nervous system (CNS) disorders (brain cancer, epilepsy, and anxiety) and using them as examples, we discuss the value of zebrafish models in translational neuroscience. We further evaluate the contribution of zebrafish to neuroimaging, circuit level, and drug discovery research. Outlining the role of zebrafish in modeling a wide range of human brain disorders, we also summarize recent applications and existing challenges in this field. Finally, we emphasize the potential of zebrafish models in behavioral phenomics and high-throughput genetic/small molecule screening, which is critical for CNS drug discovery and identifying novel candidate genes.
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Affiliation(s)
- Adam Michael Stewart
- ZENEREI Institute and the International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA; Department of Neuroscience, University of Pittsburgh, A210 Langley Hall, Pittsburgh, PA 15260, USA
| | - Oliver Braubach
- Center for Functional Connectomics, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seoul, 136791, Republic of Korea
| | - Jan Spitsbergen
- Department of Microbiology, Oregon State University, Nash Hall 220 Corvallis, OR 97331, USA
| | - Robert Gerlai
- Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road, N Mississauga, Ontario L5L 1C6, Canada
| | - Allan V Kalueff
- ZENEREI Institute and the International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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50
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A rapid throughput approach identifies cognitive deficits in adult zebrafish from developmental exposure to polybrominated flame retardants. Neurotoxicology 2014; 43:134-142. [PMID: 24674958 DOI: 10.1016/j.neuro.2014.03.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 03/13/2014] [Accepted: 03/13/2014] [Indexed: 12/18/2022]
Abstract
A substantial body of evidence has correlated the human body burdens of some polybrominated diphenyl ether (PBDE) flame retardants with cognitive and other behavioral deficits. Adult zebrafish exhibit testable learning and memory, making them an increasingly attractive model for neurotoxicology. Our goal was to develop a rapid throughput means of identifying the cognitive impact of developmental exposure to flame retardants in the zebrafish model. We exposed embryos from 6h post fertilization to 5 days post fertilization to either PBDE 47 (0.1μM), PBDE 99 (0.1μM) or PBDE 153 (0.1μM), vehicle (0.1% DMSO), or embryo medium (EM). The larvae were grown to adulthood and evaluated for the rate at which they learned an active-avoidance response in an automated shuttle box array. Zebrafish developmentally exposed to PBDE 47 learned the active avoidance paradigm significantly faster than the 0.1% DMSO control fish (P<0.0001), but exhibited significantly poorer performance when retested suggestive of impaired memory retention or altered neuromotor activity. Learning in the PBDE 153 group was not significantly different from the DMSO group. Developmental exposure to 0.1% DMSO impaired adult active avoidance learning relative to the sham group (n=39; P<0.0001). PBDE 99 prevented the DMSO effect, yielding a learning rate not significantly different from the sham group (n=36; P>0.9). Our results underscore the importance of vehicle choice in accurately assessing chemical effects on behavior. Active avoidance response in zebrafish is an effective model of learning that, combined with automated shuttle box testing, will provide a highly efficient platform for evaluating persistent neurotoxic hazard from many chemicals.
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