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Karimi Z, Zarifkar A, Mirzaei E, Dianatpour M, Dara M, Aligholi H. Therapeutic effects of nanosilibinin in valproic acid-zebrafish model of autism spectrum disorder: Focusing on Wnt signaling pathway and autism spectrum disorder-related cytokines. Int J Dev Neurosci 2024; 84:454-468. [PMID: 38961588 DOI: 10.1002/jdn.10348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 05/08/2024] [Accepted: 05/13/2024] [Indexed: 07/05/2024] Open
Abstract
In this study, we delved into the intricate world of autism spectrum disorder (ASD) and its connection to the disturbance in the Wnt signaling pathway and immunological abnormalities. Our aim was to evaluate the impact of silibinin, a remarkable modulator of both the Wnt signaling pathway and the immune system, on the neurobehavioral and molecular patterns observed in a zebrafish model of ASD induced by valproic acid (VPA). Because silibinin is a hydrophobic molecule and highly insoluble in water, it was used in the form of silibinin nanoparticles (nanosilibinin, NS). After assessing survival, hatching rate, and morphology of zebrafish larvae exposed to different concentrations of NS, the appropriate concentrations were chosen. Then, zebrafish embryos were exposed to VPA (1 μM) and NS (100 and 200 μM) at the same time for 120 h. Next, anxiety and inattentive behaviors and the expression of CHD8, CTNNB, GSK3beta, LRP6, TNFalpha, IL1beta, and BDNF genes were assessed 7 days post fertilization. The results indicated that higher concentrations of NS had adverse effects on survival, hatching, and morphological development. The concentrations of 100 and 200 μM of NS could ameliorate the anxiety-like behavior and learning deficit and decrease ASD-related cytokines (IL1beta and TNFalpha) in VPA-treated larvae. In addition, only 100 μM of NS prevented raising the gene expression of Wnt signaling-related factors (CHD8, CTNNB, GSK3beta, and LRP6). In conclusion, NS treatment for the first 120 h showed therapeutic effect on an autism-like phenotype probably via reducing the expression of pro-inflammatory cytokines genes and changing the expression of Wnt signaling components genes.
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Affiliation(s)
- Zahra Karimi
- Department of Neuroscience, School of Advanced Medical Science and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Asadollah Zarifkar
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Esmaeil Mirzaei
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Dianatpour
- Stem Cell Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Medical Genetics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahintaj Dara
- Stem Cell Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hadi Aligholi
- Department of Neuroscience, School of Advanced Medical Science and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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2
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Li Y, Yan Z, Lu Z, Li K. Zebrafish gender-specific anxiety-like behavioral and physiological reactions elicited by caffeine. Behav Brain Res 2024; 472:115151. [PMID: 39019091 DOI: 10.1016/j.bbr.2024.115151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 06/27/2024] [Accepted: 07/12/2024] [Indexed: 07/19/2024]
Abstract
Caffeine exerts a biphasic effect on zebrafish behavior. High doses of caffeine have been associated with increased stress and anxiety, whereas low doses have been found to enhance performance on tasks requiring focus and attention. However, the sex-specific nature of these biphasic effects on behavior and physiology remains unclear. This study assessed the behavioral responses and hormone levels in male and female zebrafish after acute exposure to caffeine ranging from 0.3 to 600mg/L. The results showed no significant difference in caffeine intake between males and females after acute exposure at each concentration. Caffeine-induced behavioral and physiological responses indicated a threshold dosage existed between 30 and 300mg/L. Female fish displayed increased anxiety-like behavioral phenotypes, i.e., latency to upper and freezing, whereas males exhibited more erratic movement following acute exposure to a high-dose treatment. In addition, females exhibited a significant increase in whole-body cortisol levels, while males experienced a testosterone elevation at 300mg/L of caffeine acute exposure. There was a significant decrease in the duration of erratic movements in males treated with the androgen receptor antagonist flutamide compared to the control group. The transcriptome analysis uncovered 511 and 592 up-regulated and 761 and 922 down-regulated differential expression genes in males and females, respectively, compared to the control. The Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) pathway analysis revealed that caffeine has the potential to impact various pathways in zebrafish, including phototransduction and steroid hormone biosynthesis. Our findings demonstrate that testosterone and cortisol play a combined role in regulating stress responses in both behavior and physiology. Furthermore, our study highlights the significance of encompassing both male and female zebrafish as a model system.
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Affiliation(s)
- Yaxi Li
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi Yan
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; School of Ocean, Yantai University, Yantai, 264005, China
| | - Zhen Lu
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Ke Li
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
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3
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Hudock J, Kenney JW. Aging in zebrafish is associated with reduced locomotor activity and strain dependent changes in bottom dwelling and thigmotaxis. PLoS One 2024; 19:e0300227. [PMID: 38696419 PMCID: PMC11065237 DOI: 10.1371/journal.pone.0300227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/25/2024] [Indexed: 05/04/2024] Open
Abstract
Aging is associated with a wide range of physiological and behavioral changes in many species. Zebrafish, like humans, rodents, and birds, exhibits gradual senescence, and thus may be a useful model organism for identifying evolutionarily conserved mechanisms related to aging. Here, we compared behavior in the novel tank test of young (6-month-old) and middle aged (12-month-old) zebrafish from two strains (TL and TU) and both sexes. We find that this modest age difference results in a reduction in locomotor activity in male fish. We also found that background strain modulated the effects of age on predator avoidance behaviors related to anxiety: older female TL fish increased bottom dwelling whereas older male TU fish decreased thigmotaxis. Although there were no consistent effects of age on either short-term (within session) or long-term (next day) habituation to the novel tank, strain affected the habituation response. TL fish tended to increase their distance from the bottom of the tank whereas TU fish had no changes in bottom distance but instead tended to increase thigmotaxis. Our findings support the use of zebrafish for the study of how age affects locomotion and how genetics interacts with age and sex to alter exploratory and emotional behaviors in response to novelty.
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Affiliation(s)
- Jacob Hudock
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
| | - Justin W. Kenney
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
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4
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Abozaid A, Gerlai R. A search for effective reinforcers in appetitive conditioning for adult zebrafish: Ecologically relevant unconditioned stimuli. Prog Neuropsychopharmacol Biol Psychiatry 2024; 131:110946. [PMID: 38237886 DOI: 10.1016/j.pnpbp.2024.110946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/12/2023] [Accepted: 01/14/2024] [Indexed: 01/21/2024]
Abstract
Learning and memory related brain disorders represent a large unmet medical need. Laboratory studies with animals may model brain disorders and facilitate uncovering their mechanisms. The zebrafish has been proposed for such studies. However, numerous factors that influence performance in learning tasks have yet to be understood in zebrafish. One such factor is what motivates zebrafish. Here we introduce a novel reinforcer, an ecologically relevant unconditioned stimulus (US). We placed a photograph of gravel underneath quarter of the bottom of an experimental tank on one side and also positioned artificial plants there, the "natural" US. First, we showed that this stimulus was preferred by zebrafish. Next, we investigated whether this stimulus could serve as US for associative learning. We marked the walls of the tank on the side where the US was presented with red paper, the conditioned stimulus (CS+) we found neutral before, and we also marked the walls on the other side of the tank where no US was placed with blue paper (CS-). In addition to fish receiving this "paired" training, we also ran unpaired training with another group of zebrafish, in which the fish saw the US associated with blue and red in a random manner. After having trained the fish in this manner, we tested the performance of the paired and unpaired group of zebrafish in a memory probe trial during which no US was present, and only the CSs (blue and red walls) were shown. We found the paired group of zebrafish to show significant preference for the CS+, as they spent more time and swam closer to the red side compared to the unpaired group and compared to chance. We conclude that ecologically relevant stimuli can serve as efficient US in appetitive conditioning of zebrafish.
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Affiliation(s)
- Amira Abozaid
- Department of Cell and Systems Biology, University of Toronto, 25 Harbord Street Toronto, Ontario, M5S 3G5, Canada
| | - Robert Gerlai
- Department of Cell and Systems Biology, University of Toronto, 25 Harbord Street Toronto, Ontario, M5S 3G5, Canada; Department of Psychology, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario, L5L 1C6, Canada.
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5
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Rubin AM, Seebacher F. Feeding frequency does not interact with BPA exposure to influence metabolism or behaviour in zebrafish (Danio rerio). Physiol Behav 2024; 273:114403. [PMID: 37939830 DOI: 10.1016/j.physbeh.2023.114403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/22/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023]
Abstract
Resource limitation can constrain energy (ATP) production, and thereby affect locomotion and behaviour such as exploration of novel environments and boldness. Consequently, ecological processes such as dispersal and interactions within and between species may be influenced by food availability. Energy metabolism, and behaviour are regulated by endocrine signalling, and may therefore be impacted by endocrine disrupting compounds (EDCs) including bisphenol A (BPA) derived from plastic manufacture and pollution. It is important to determine the impacts of these novel environmental contexts to understand how human activity alters individual physiology and behaviour and thereby populations. Our aim was to determine whether BPA exposure interacts with feeding frequency to alter metabolism and behaviour. In a fully factorial experiment, we show that low feeding frequency reduced zebrafish (Danio rerio) mass, condition, resting metabolic rates, total distance moved and speed in a novel arena, as well as anxiety indicated by the number of times fish returned to a dark shelter. However, feeding frequency did not significantly affect maximal metabolic rates, aerobic scope, swimming performance, latency to leave a shelter, or metabolic enzyme activities (citrate synthase and lactate dehydrogenase). Natural or anthropogenic fluctuation in food resources can therefore impact energetics and movement of animals with repercussions for ecological processes such as dispersal. BPA exposure reduced LDH activity and body mass, but did not interact with feeding frequency. Hence, behaviour of adult fish is relatively insensitive to disruption by BPA. However, alteration of LDH activity by BPA could disrupt lactate metabolism and signalling and together with reduction in body mass could affect size-dependent reproductive output. BPA released by plastic manufacture and pollution can thereby impact conservation and management of natural resources.
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Affiliation(s)
- Alexander M Rubin
- School of Life and Environmental Sciences, University of Sydney, Heydon-Laurence Building A08, Sydney, NSW 2006, Australia
| | - Frank Seebacher
- School of Life and Environmental Sciences, University of Sydney, Heydon-Laurence Building A08, Sydney, NSW 2006, Australia.
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6
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Syed OA, Tsang B, Gerlai R. The zebrafish for preclinical psilocybin research. Neurosci Biobehav Rev 2023; 153:105381. [PMID: 37689090 DOI: 10.1016/j.neubiorev.2023.105381] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/25/2023] [Accepted: 09/01/2023] [Indexed: 09/11/2023]
Abstract
In this review, we discuss the possible utility of zebrafish in research on psilocybin, a psychedelic drug whose recreational use as well as possible clinical application are gaining increasing interest. First, we review behavioral tests with zebrafish, focussing on anxiety and social behavior, which have particular relevance in the context of psilocybin research. Next, we briefly consider methods of genetic manipulations with which psilocybin's phenotypical effects and underlying mechanisms may be investigated in zebrafish. We briefly review the known mechanisms of psilocybin, and also discuss what we know about its safety and toxicity profile. Last, we discuss examples of how psilocybin may be employed for testing treatment efficacy in preclinical research for affective disorders in zebrafish. We conclude that zebrafish has a promising future in preclinical research on psychedelic drugs.
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Affiliation(s)
- Omer A Syed
- Department of Biology, University of Toronto Mississauga, Canada.
| | - Benjamin Tsang
- Department of Cell & Systems Biology, University of Toronto, Canada.
| | - Robert Gerlai
- Department of Cell & Systems Biology, University of Toronto, Canada; Department of Psychology, University of Toronto Mississauga, Canada.
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7
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Batabyal A. Predator-prey systems as models for integrative research in biology: the value of a non-consumptive effects framework. J Exp Biol 2023; 226:jeb245851. [PMID: 37772622 DOI: 10.1242/jeb.245851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Predator-prey interactions are a cornerstone of many ecological and evolutionary processes that influence various levels of biological organization, from individuals to ecosystems. Predators play a crucial role in shaping ecosystems through the consumption of prey species and non-consumptive effects. Non-consumptive effects (NCEs) can induce changes in prey behavior, including altered foraging strategies, habitat selection, life history and anti-predator responses. These defensive strategies have physiological consequences for prey, affecting their growth, reproduction and immune function to name a few. Numerous experimental studies have incorporated NCEs in investigating predator-prey dynamics in the past decade. Interestingly, predator-prey systems can also be used as experimental models to answer physiology, cognition and adaptability questions. In this Commentary, I highlight research that uses NCEs in predator-prey systems to provide novel insights into cognition, adaptation, epigenetic inheritance and aging. I discuss the evolution of instinct, anxiety and other cognitive disorders, the shaping of brain connectomes, stress-induced aging and the development of behavioral coping styles. I outline how studies can integrate the investigation of NCEs with advanced behavioral, genomic and neurological tools to provide novel insights into physiological and cognitive health.
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Affiliation(s)
- Anuradha Batabyal
- Department of Physical and Natural Sciences, FLAME University, Pune 412115, India
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8
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Wang Z, Wang W, Yang F. Species-specific bioaccumulation and risk prioritization of psychoactive substances in cultured fish. CHEMOSPHERE 2023; 325:138440. [PMID: 36934481 DOI: 10.1016/j.chemosphere.2023.138440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/01/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
Psychoactive substances are becoming new concern in environmental research with their increasing applications and the potential threats to fishery production as these substances could alter the behavior of fish and consequently affect the yield and quality of cultured fish. In this study, the accumulation and risk of twenty psychoactive substances were investigated in five species of cultured fish in Eastern China. The results showed that the total concentrations of these twenty psychoactive substances ranged from 0.15 to 0.92 ng mL-1 in the plasma among the five species of cultured fish with an order of perch > crucian carp > bighead carp > grass carp > silver carp. Diazepam (DIAZ) and methamphetamine (MAMP) were identified as the most frequently detected compounds, which were found in 100% and 93% of the samples with a median concentration of 0.15 and 0.12 ng mL-1 in the plasma, respectively. Although all of the psychoactive substances posed low or negligible risk, species-specific analysis of risk prioritization revealed that alprazolam, MAMP, temazepam and DIAZ exhibited the greatest potentials of hazard to all species of the cultured fish but with a species-dependent variation. These findings suggest that the adverse effects of psychoactive substances on fishery production, especially on different species, should be considered.
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Affiliation(s)
- Zeyuan Wang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Natural Resources and Environmental Science, Zhejiang University, 310058, Hangzhou, China
| | - Wei Wang
- Zhejiang Institute of Hydraulics and Estuary, Hangzhou, 310020, China
| | - Fangxing Yang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Natural Resources and Environmental Science, Zhejiang University, 310058, Hangzhou, China.
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9
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Atheena Amar K, Ramachandran B. ENVIRONMENTAL STRESSORS DIFFERENTIALLY MODULATE ANXIETY-LIKE BEHAVIOUR IN MALE AND FEMALE ZEBRAFISH. Behav Brain Res 2023; 450:114470. [PMID: 37148914 DOI: 10.1016/j.bbr.2023.114470] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/05/2023] [Accepted: 03/16/2023] [Indexed: 05/08/2023]
Abstract
How differently male and female responds in a stressful situation is a matter of curiosity. Apart from curiosity, this opens a new arena to the synthesis of personalized/individualized medications. Here, we used zebrafish, a suitable experimental animal model to study stress and anxiety. We evaluated the differential responses in adult male and female zebrafish on the acute exposure of three different stressors: Caffeine (100mg/L), Conspecific alarm substance (3.5ml/L), and sight of sympatric predators (Leaf fish and Snakehead) with the help of two different behavioural paradigms (Novel tank test & Predator exposure). Behavioural responses were captured over 6minutes and quantified using Smart 3.0. Male zebrafish were found to be more responsive to caffeine treatment. Conspecific alarm substance-challenged males and females showed robust alarm reactions whereas females were found to be more prone to it. Female zebrafish showed statistically significant aversion to the visual representation of sympatric predators. Taken together, each stressor induced differential responses in male and female zebrafish.
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Affiliation(s)
- K Atheena Amar
- Neuronal Plasticity Group, Department of Zoology, University of Calicut, Thenhipalam, Malappuram, Kerala-673635, India
| | - Binu Ramachandran
- Neuronal Plasticity Group, Department of Zoology, University of Calicut, Thenhipalam, Malappuram, Kerala-673635, India.
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10
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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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11
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Hutton SJ, Siddiqui S, Pedersen EI, Markgraf CY, Segarra A, Hladik ML, Connon RE, Brander SM. Comparative behavioral ecotoxicology of Inland Silverside larvae exposed to pyrethroids across a salinity gradient. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159398. [PMID: 36257430 DOI: 10.1016/j.scitotenv.2022.159398] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/05/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Pyrethroids, a class of commonly used insecticides, are frequently detected in aquatic environments, including estuaries. The influence that salinity has on organism physiology and the partitioning of hydrophobic chemicals, such as pyrethroids, has driven interest in how toxicity changes in saltwater compared to freshwater. Early life exposures in fish to pyrethroids cause toxicity at environmentally relevant concentrations, which can alter behavior. Behavior is a highly sensitive endpoint that influences overall organism fitness and can be used to detect toxicity of environmentally relevant concentrations of aquatic pollutants. Inland Silversides (Menidia beryllina), a commonly used euryhaline model fish species, were exposed from 5 days post fertilization (~1-day pre-hatch) for 96 h to six pyrethroids: bifenthrin, cyfluthrin, cyhalothrin, cypermethrin, esfenvalerate and permethrin. Exposures were conducted at three salinities relevant to brackish, estuarine habitat (0.5, 2, and 6 PSU) and across 3 concentrations, either 0.1, 1, 10, and/or 100 ng/L, plus a control. After exposure, Inland Silversides underwent a behavioral assay in which larval fish were subjected to a dark and light cycle stimuli to determine behavioral toxicity. Assessment of total distanced moved and thigmotaxis (wall hugging), used to measure hyper/hypoactivity and anxiety like behavior, respectively, demonstrate that even at the lowest concentration of 0.1 ng/L pyrethroids can induce behavioral changes at all salinities. We found that toxicity decreased as salinity increased for all pyrethroids except permethrin. Additionally, we found evidence to suggest that the relationship between log KOW and thigmotaxis is altered between the lower and highest salinities.
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Affiliation(s)
- Sara J Hutton
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, United States of America.
| | - Samreen Siddiqui
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR 97365, United States of America
| | - Emily I Pedersen
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR 97365, United States of America
| | - Christopher Y Markgraf
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, United States of America
| | - Amelie Segarra
- Department of Anatomy, Physiology and Cell Biology, University of California, Davis, CA 95616, United States of America
| | - Michelle L Hladik
- U.S. Geological Survey, California Water Science Center, Sacramento, CA 95819, United States of America
| | - Richard E Connon
- Department of Anatomy, Physiology and Cell Biology, University of California, Davis, CA 95616, United States of America
| | - Susanne M Brander
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR 97365, United States of America
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12
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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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14
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Shishis S, Tsang B, Gerlai R. The effect of fish density and tank size on the behavior of adult zebrafish: A systematic analysis. Front Behav Neurosci 2022; 16:934809. [PMID: 36275854 PMCID: PMC9581232 DOI: 10.3389/fnbeh.2022.934809] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 09/13/2022] [Indexed: 08/25/2023] Open
Abstract
The zebrafish has been employed in several fields of biology due to its translational relevance and its simplicity and ease of maintenance. As a result, zebrafish are kept in thousands of laboratories around the world. Current industry standards favor keeping the largest possible number of fish in the smallest possible volume of water to increase efficiency and reduce costs. However, physiological and psychological stress resulting from such crowding may impact a variety of phenotypes, from brain function and behavior to cardiovascular function and cancer. Nevertheless, surprisingly little is known about what constitutes an optimal housing environment for the zebrafish, e.g., no systematic analyses have been performed to test the role of housing density and tank volume despite recent sporadic reports implying negative effects of the standard practice of crowding. Here, we conduct the first proof of concept analysis examining the potential impact of housing density and tank volume on the behavior of zebrafish. We randomly assigned adult zebrafish to one of three tank sizes (1.5, 10, or 50 L) with one of three housing densities (1, 2, or 4 fish/L), a 3 × 3 between subject experimental design, and maintained the fish in their corresponding condition for 2 weeks. Subsequently, we tested the behavior of the fish singly in a novel open tank for 12 min and quantified several of their swim path parameters using a video-tracking system. We found significant additive and interacting effects of tank size and/or housing density on swim path parameters including immobility, swim speed, turn angle, and distance to bottom and to stimulus. Although we had only three fish densities and three tank sizes and we did not explore the effects of more extreme conditions and although the interpretation of the above behavioral effects is speculative at this point, the results already demonstrate that both tank size and housing density exerts significant effects on the zebrafish and thus should be considered in zebrafish husbandry.
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Affiliation(s)
- Stephanie Shishis
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
| | - Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
- Department of Critical Care Medicine, Hospital for Sick Children, Toronto, ON, Canada
| | - Robert Gerlai
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
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15
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Disease Modeling of Rare Neurological Disorders in Zebrafish. Int J Mol Sci 2022; 23:ijms23073946. [PMID: 35409306 PMCID: PMC9000079 DOI: 10.3390/ijms23073946] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 03/31/2022] [Accepted: 03/31/2022] [Indexed: 02/06/2023] Open
Abstract
Rare diseases are those which affect a small number of people compared to the general population. However, many patients with a rare disease remain undiagnosed, and a large majority of rare diseases still have no form of viable treatment. Approximately 40% of rare diseases include neurologic and neurodevelopmental disorders. In order to understand the characteristics of rare neurological disorders and identify causative genes, various model organisms have been utilized extensively. In this review, the characteristics of model organisms, such as roundworms, fruit flies, and zebrafish, are examined, with an emphasis on zebrafish disease modeling in rare neurological disorders.
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16
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Abozaid A, Hung J, Tsang B, Motlana K, Al-Ani R, Gerlai R. Behavioral effects of acute ethanol in larval zebrafish (D. rerio) depend on genotype and volume of experimental well. Prog Neuropsychopharmacol Biol Psychiatry 2022; 112:110411. [PMID: 34363865 DOI: 10.1016/j.pnpbp.2021.110411] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/22/2021] [Accepted: 07/26/2021] [Indexed: 01/10/2023]
Abstract
Ethanol consumption is a worldwide problem. Sensitivity to acute effects of ethanol influences the development of chronic ethanol abuse and ethanol dependence. Environmental and genetic factors have been found to contribute to differential effects of acute ethanol. Animal models have been employed to investigate these factors. An increasingly frequently utilized animal model in ethanol research is the zebrafish. A large proportion of ethanol studies with zebrafish have been conducted with adult zebrafish. However, high throughput drug and mutation screens are particularly well adapted to larval zebrafish. These studies are often carried out using the 96-well-plate that allows monitoring large numbers of fish efficiently. Here, we investigate the effects of acute (30 min long) ethanol exposure in 8-day post-fertilization (dpf) old zebrafish. We compare four genetically distinct populations (strains) of zebrafish, measuring numerous parameters of their swim path in two well sizes, i.e., in the 96-well-plate (small volume wells) and in the 6-well-plate (large volume wells). In general, we found that the highest dose of ethanol (1% vol/vol) reduced swim speed, increased duration of immobility, increased turn angle, and increased intra-individual variance of turn angle, while the intermediate dose (0.5%) had a less strong effect, compared to control. However, we also found that these ethanol effects were strain dependent and, in general, were better detected in the larger volume well. We conclude that larval zebrafish are appropriate for quantification of acute ethanol effects and also for the analysis of environmental and genetic factors that influence these effects. We also speculate that using larger wells will likely increase sensitivity of detection and precision in screening applications.
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Affiliation(s)
- Amira Abozaid
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Joshua Hung
- Department of Biology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada; Department of Critical Care Medicine, Hospital for Sick Children, Toronto, Canada; Institute of Psychiatry, Psychology & Neuroscience, Kings College London, London, United Kingdom
| | - Keza Motlana
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Reem Al-Ani
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada; Department of Cell and Systems Biology, University of Toronto, Toronto, Canada.
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17
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Behavioral Effects of Buspirone in Juvenile Zebrafish of Two Different Genetic Backgrounds. TOXICS 2022; 10:toxics10010022. [PMID: 35051064 PMCID: PMC8777658 DOI: 10.3390/toxics10010022] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/05/2022] [Accepted: 01/05/2022] [Indexed: 02/04/2023]
Abstract
Anxiety continues to represent a major unmet medical need. Despite the availability of numerous anxiolytic drugs, a large proportion of patients do not respond well to current pharmacotherapy, or their response diminishes with chronic drug application. To discover novel compounds and to investigate the mode of action of anxiolytic drugs, animal models have been proposed. The zebrafish is a novel animal model in this research. It is particularly appropriate, as it has evolutionarily conserved features, and drug administration can be employed in a non-invasive manner by immersing the fish into the drug solution. The first step in the analysis of anxiolytic drugs with zebrafish is to test reference compounds. Here, we investigate the effects of buspirone hydrochloride, an anxiolytic drug often employed in the human clinic. We utilize two genetically distinct populations of zebrafish, ABSK, derived from the quasi-inbred AB strain, and WT, a genetically heterogeneous wild-type population. We placed juvenile (10–13-day, post-fertilization, old) zebrafish singly in petri dishes containing one of four buspirone concentrations (0 mg/L control, 5 mg/L, 20 mg/L or 80 mg/L) for 1 h, with each fish receiving a single exposure to one concentration, a between subject experimental design. Subsequently, we recorded the behavior of the zebrafish for 30 min using video-tracking. Buspirone decreased distance moved, number of immobility episodes and thigmotaxis, and it increased immobility duration and turn angle in a quasi-linear dose dependent but genotype independent manner. Although it is unclear whether these changes represent anxiolysis in zebrafish, the results demonstrate that behavioral analysis of juvenile zebrafish may be a sensitive and simple way to quantify the effects of human anxiolytic drugs.
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18
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Suresh S, Abozaid A, Tsang B, Gerlai R. Exposure of parents to alcohol alters behavior of offspring in zebrafish. Prog Neuropsychopharmacol Biol Psychiatry 2021; 111:110143. [PMID: 33096155 DOI: 10.1016/j.pnpbp.2020.110143] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/12/2020] [Accepted: 10/14/2020] [Indexed: 12/22/2022]
Abstract
Alcoholism and alcohol abuse represent a significant medical and societal problem, and have been thoroughly investigated in humans as well as using animal models. A less well understood aspect of alcohol related disorders is the possible effect of this drug on offspring whose parents were exposed prior to conception. The zebrafish has been successfully employed in alcohol research, however, the effect of exposing the parents to alcohol before fertilization of the eggs on offspring has not been demonstrated in this species. In this proof of concept study, we attempt to address this hiatus. We exposed both adult male and female zebrafish to 0.0% (control) or 0.5% (vol/vol) alcohol chronically for 7 days, subsequently bred the fish within their respective treatment group, collected the fertilized eggs, allowed them to develop, and tested the behavior of free-swimming offspring at their age of 7-9 days post-fertilization. We conducted the analysis in two genetically distinct quasi-inbred strains of zebrafish, AB and TL. Although gross morphology and general activity of the fish appeared unaffected, we found significant behavioral alterations in offspring of alcohol exposed parents compared to offspring of control parents in both strains. These alterations included robustly increased duration and reduced frequency of immobility, increased turn angle, and increased intra-individual variance of turn angle in offspring of alcohol exposed parents in both strains. The mechanisms underlying these behavioral effects or whether the effects are due to exposure of the father, the mother, or both to alcohol are unknown. Nevertheless, our results now set the stage for future studies with zebrafish that will address these questions.
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Affiliation(s)
| | - Amira Abozaid
- Department of Cell & System Biology, University of Toronto, Canada
| | - Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga, Canada
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Canada; Department of Cell & System Biology, University of Toronto, Canada.
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19
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Lachowicz J, Niedziałek K, Rostkowska E, Szopa A, Świąder K, Szponar J, Serefko A. Zebrafish as an Animal Model for Testing Agents with Antidepressant Potential. Life (Basel) 2021; 11:life11080792. [PMID: 34440536 PMCID: PMC8401799 DOI: 10.3390/life11080792] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 08/01/2021] [Accepted: 08/03/2021] [Indexed: 12/28/2022] Open
Abstract
Depression is a serious mental disease that, according to statistics, affects 320 million people worldwide. Additionally, a current situation related to the COVID-19 pandemic has led to a significant deterioration of mental health in people around the world. So far, rodents have been treated as basic animal models used in studies on this disease, but in recent years, Danio rerio has emerged as a new organism that might serve well in preclinical experiments. Zebrafish have a lot of advantages, such as a quick reproductive cycle, transparent body during the early developmental stages, high genetic and physiological homology to humans, and low costs of maintenance. Here, we discuss the potential of the zebrafish model to be used in behavioral studies focused on testing agents with antidepressant potential.
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Affiliation(s)
- Joanna Lachowicz
- Student’s Scientific Circle at Laboratory of Preclinical Testing, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (J.L.); (K.N.)
| | - Karolina Niedziałek
- Student’s Scientific Circle at Laboratory of Preclinical Testing, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (J.L.); (K.N.)
| | | | - Aleksandra Szopa
- Laboratory of Preclinical Testing, Chair and Department of Applied and Social Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
- Correspondence: (A.S.); (A.S.)
| | - Katarzyna Świąder
- Chair and Department of Applied and Social Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland;
| | - Jarosław Szponar
- Clinical Department of Toxicology and Cardiology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland;
- Toxicology Clinic, Stefan Wyszyński Regional Specialist Hospital in Lublin, Al. Kraśnicka 100, 20-718 Lublin, Poland
| | - Anna Serefko
- Laboratory of Preclinical Testing, Chair and Department of Applied and Social Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
- Correspondence: (A.S.); (A.S.)
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20
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Stressor controllability modulates the stress response in fish. BMC Neurosci 2021; 22:48. [PMID: 34348667 PMCID: PMC8336412 DOI: 10.1186/s12868-021-00653-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 07/28/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In humans the stress response is known to be modulated to a great extent by psychological factors, particularly by the predictability and the perceived control that the subject has of the stressor. This psychological dimension of the stress response has also been demonstrated in animals phylogenetically closer to humans (i.e. mammals). However, its occurrence in fish, which represent a divergent vertebrate evolutionary lineage from that of mammals, has not been established yet, and, if present, would indicate a deep evolutionary origin of these mechanisms across vertebrates. Moreover, the fact that psychological modulation of stress is implemented in mammals by a brain cortical top-down inhibitory control over subcortical stress-responsive structures, and the absence of a brain cortex in fish, has been used as an argument against the possibility of psychological stress in fish, with implications for the assessment of fish sentience and welfare. Here, we have investigated the occurrence of psychological stress in fish by assessing how stressor controllability modulates the stress response in European seabass (Dicentrarchus labrax). RESULTS Fish were exposed to either a controllable or an uncontrollable stressor (i.e. possibility or impossibility to escape a signaled stressor). The effect of loss of control (possibility to escape followed by impossibility to escape) was also assessed. Both behavioral and circulating cortisol data indicates that the perception of control reduces the response to the stressor, when compared to the uncontrollable situation. Losing control had the most detrimental effect. The brain activity of the teleost homologues to the sensory cortex (Dld) and hippocampus (Dlv) parallels the uncontrolled and loss of control stressors, respectively, whereas the activity of the lateral septum (Vv) homologue responds in different ways depending on the gene marker of brain activity used. CONCLUSIONS These results suggest the psychological modulation of the stress response to be evolutionary conserved across vertebrates, despite being implemented by different brain circuits in mammals (pre-frontal cortex) and fish (Dld-Dlv).
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21
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Audira G, Lai YH, Huang JC, Chen KHC, Hsiao CD. Phenomics Approach to Investigate Behavioral Toxicity of Environmental or Occupational Toxicants in Adult Zebrafish (Danio rerio). Curr Protoc 2021; 1:e223. [PMID: 34387947 DOI: 10.1002/cpz1.223] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Over the last few years, environmental pollution, especially water pollution, has become a serious issue worldwide. Thus, methods that can help us understand the impact and effects of these pollutants, especially on aquatic animals, are needed. Behavioral assessment has emerged as a crucial tool in toxicology and pharmacology because many studies have shown, in multiple animal models, that various pharmacological compounds can alter behavior, with many of the findings being translatable to humans. Moreover, behavior study can also be used as a suitable indicator in the ecotoxicological risk assessment of pollutants. Several model organisms, especially rodent models, have been extensively employed for behavior studies. However, assessments using this model are generally time consuming, expensive, and require extensive facilities for housing experimental animals. Moreover, behavioral studies typically use different measurements and assessment tools, making comparisons difficult. In addition, even though behavioral phenomics has the potential to comprehensively illustrate the toxicities of chemicals, there is only a limited number of studies focusing on animal behavior using such a global approach. Here, we describe a phenomics approach that can be used to investigate the impact of pollutants using zebrafish. The approach consists of several behavioral tests, including response to a novel environment, mirror-reflection image, predator fish, and conspecifics, after exposure to a test chemical. Phenotype fingerprinting, a method for summarizing individual phenotypes based on the results of the behavioral tests, is then conducted to reduce data complexity and display the pattern of each compound on behavioral phenotypes in zebrafish. This approach may be useful to researchers studying the potential adverse effects of different pollutants. © 2021 Wiley Periodicals LLC. Basic Protocol 1: Novel tank test Basic Protocol 2: Shoaling test Basic Protocol 3: Aggression test (mirror biting test) Basic Protocol 4: Social interaction test Basic Protocol 5: Fear response test Basic Protocol 6: PCA and heatmap clustering.
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Affiliation(s)
- Gilbert Audira
- Department of Chemistry, Chung Yuan Christian University, Chung-Li, Taiwan
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taiwan
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei, Taiwan
| | - Jong-Chin Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung, Taiwan
| | - Kelvin H-C Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung, Taiwan
| | - Chung-Der Hsiao
- Department of Chemistry, Chung Yuan Christian University, Chung-Li, Taiwan
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taiwan
- Center of Nanotechnology, Chung Yuan Christian University, Chung-Li, Taiwan
- Research Center for Aquatic Toxicology and Pharmacology, Chung Yuan Christian University, Chung-Li, Taiwan
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22
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Marchetto L, Barcellos LJG, Koakoski G, Soares SM, Pompermaier A, Maffi VC, Costa R, da Silva CG, Zorzi NR, Demin KA, Kalueff AV, de Alcantara Barcellos HH. Auditory environmental enrichment prevents anxiety-like behavior, but not cortisol responses, evoked by 24-h social isolation in zebrafish. Behav Brain Res 2021; 404:113169. [PMID: 33577884 DOI: 10.1016/j.bbr.2021.113169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/31/2020] [Accepted: 02/03/2021] [Indexed: 12/16/2022]
Abstract
The zebrafish (Danio rerio) is widely used as a promising translational model organism for studying various brain disorders. Zebrafish are also commonly used in behavioral and drug screening assays utilizing individually tested (socially isolated) fish. Various sounds represent important exogenous factors that may affect fish behavior. Mounting evidence shows that musical/auditory environmental enrichment can improve welfare of laboratory animals, including fishes. Here, we show that auditory environmental enrichment mitigates anxiogenic-like effects caused by acute 24-h social isolation in adult zebrafish. Thus, auditory environmental enrichment may offer an inexpensive, feasible and simple tool to improve welfare of zebrafish stocks in laboratory facilities, reduce unwanted procedural stress, lower non-specific behavioral variance and, hence, collectively improve zebrafish data reliability and reproducibility.
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Affiliation(s)
- Letícia Marchetto
- Veterinary Medicine Integrated Residency Program, University of Passo Fundo (UPF), BR 285, São José, Passo Fundo, RS, Brazil
| | - Leonardo J G Barcellos
- Postgraduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil; Postgraduate Program in Bioexperimentation, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil; Veterinary Medicine Course, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil; Postgraduate Program in Environmental Sciences, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil.
| | - Gessi Koakoski
- Veterinary Medicine Course, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Suelen M Soares
- Postgraduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Aline Pompermaier
- Postgraduate Program in Bioexperimentation, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Victoria C Maffi
- Veterinary Medicine Course, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Roberta Costa
- Veterinary Medicine Course, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Carolina G da Silva
- Veterinary Medicine Course, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Natalie R Zorzi
- Postgraduate Program in Bioexperimentation, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Konstantin A Demin
- Institute of Experimental Medicine, Almazov Medical Research Centre, St. Petersburg, Russia; Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Granov Scientific Research Center for Radiology and Surgical Technologies, St. Petersburg, Russia; Biology School, Moscow Institute of Physics and Technology, Dolgoprudny, Russia; Neuroscience Program, Sirius National Technical University, Sochi, Russia
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China; Ural Federal University, Ekaterinburg, Russia
| | - Heloisa H de Alcantara Barcellos
- Veterinary Medicine Integrated Residency Program, University of Passo Fundo (UPF), BR 285, São José, Passo Fundo, RS, Brazil; Veterinary Medicine Course, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil.
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23
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Ogi A, Licitra R, Naef V, Marchese M, Fronte B, Gazzano A, Santorelli FM. Social Preference Tests in Zebrafish: A Systematic Review. Front Vet Sci 2021; 7:590057. [PMID: 33553276 PMCID: PMC7862119 DOI: 10.3389/fvets.2020.590057] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 12/24/2020] [Indexed: 12/13/2022] Open
Abstract
The use of animal models in biology research continues to be necessary for the development of new technologies and medicines, and therefore crucial for enhancing human and animal health. In this context, the need to ensure the compliance of research with the principles Replacement, Reduction and Refinement (the 3 Rs), which underpin the ethical and human approach to husbandry and experimental design, has become a central issue. The zebrafish (Danio rerio) is becoming a widely used model in the field of behavioral neuroscience. In particular, studying zebrafish social preference, by observing how an individual fish interacts with conspecifics, may offer insights into several neuropsychiatric and neurodevelopmental disorders. The main aim of this review is to summarize principal factors affecting zebrafish behavior during social preference tests. We identified three categories of social research using zebrafish: studies carried out in untreated wild-type zebrafish, in pharmacologically treated wild-type zebrafish, and in genetically engineered fish. We suggest guidelines for standardizing social preference testing in the zebrafish model. The main advances gleaned from zebrafish social behavior testing are discussed, together with the relevance of this method to scientific research, including the study of behavioral disorders in humans. The authors stress the importance of adopting an ethical approach that considers the welfare of animals involved in experimental procedures. Ensuring a high standard of animal welfare is not only good for the animals, but also enhances the quality of our science.
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Affiliation(s)
- Asahi Ogi
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy.,Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Rosario Licitra
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
| | - Valentina Naef
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
| | - Maria Marchese
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
| | | | - Angelo Gazzano
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Filippo M Santorelli
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
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24
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Abozaid A, Tsang B, Gerlai R. The effects of small but abrupt change in temperature on the behavior of larval zebrafish. Physiol Behav 2020; 227:113169. [PMID: 32918940 DOI: 10.1016/j.physbeh.2020.113169] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/20/2020] [Accepted: 09/08/2020] [Indexed: 01/28/2023]
Abstract
The zebrafish has become increasingly utilized in behavioral neuroscience, psychopharmacology, and behavior genetics research. However, little attention has been paid to the potential effects of environmental conditions fish are exposed to before and during behavioral testing. One such important factor is temperature, more specifically, the difference in temperature between holding and test tanks. In the current study, we bred and raised zebrafish of the AB strain in 28 °C water for 7 days until they were free swimming. On the 7th day we placed each experimental subject singly into the testing well with water set to 24 °C, 28 °C or 30 °C for 15 min and recorded the behavior of the subjects. We found significant and behavior-specific idiosyncratic effects of the employed temperature changes. For example, lowering the temperature decreased speed, but increasing the temperature did not alter it. Increased temperature reduced duration of immobility and reduced absolute turn angle, but lowered temperature did not alter these behaviors. While lowered temperature, and to a lesser degree also increased temperature, reduced intra-individual temporal variance of absolute turn angle. Furthermore, we found no change in thigmotaxis and frequency of immobility by either temperature change. Our results demonstrate the importance of temperature in behavioral studies with zebrafish and suggest that equating water temperature between holding and testing tanks is required to enhance reproducibility and replicability of results with this species.
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Affiliation(s)
- Amira Abozaid
- Department of Cell & System Biology, University of Toronto
| | - Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga
| | - Robert Gerlai
- Department of Cell & System Biology, University of Toronto; Department of Psychology, University of Toronto Mississauga
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25
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da Costa Araújo AP, de Andrade Vieira JE, Malafaia G. Toxicity and trophic transfer of polyethylene microplastics from Poecilia reticulata to Danio rerio. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 742:140217. [PMID: 32623154 DOI: 10.1016/j.scitotenv.2020.140217] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/11/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
The potential transfer of microplastics (MPs) between vertebrates belonging to the same taxonomic group, and the impact of such a transfer on higher trophic levels remains little explored. An experimental food chain with two fish species was installed to test the hypothesis that polyethylene MPs (PE MPs) can accumulate in animals and cause behavioral, mutagenic and cytotoxic changes at upper trophic levels. Poecilia reticulata fry were exposed to MPs for 48 h and, subsequently, offered (as food) to Danio rerio adults for 10 days to simulate an upper level food chain. PE MPs quantification in fry and in different Danio rerio tissues evidenced their accumulation at the two assessed trophic levels. This finding suggested their absorption, adherence and translocation from one organism to another. The accumulation seen in D. rerio directly exposed to MPs was associated with behavioral disorders at upper trophic level. These animals presented behavior suggestive of anti-predatory response deficit when they were confronted with a potential aquatic predator (Geophagus brasiliensis). This finding was inferred through lower school cohesion, shallower school depth and shorter distance from the potential predator. In addition, animals exposed to MPs recorded higher nuclear abnormality rates and changes in the size and shape of erythrocytes and in their nuclei; this outcome has suggested mutagenic and cytotoxic effects, respectively. Based on the current results, MPs are transferred through a food chain that only involves two vertebrates. MPs enter the vertebrates' organs, change their behavior and induce mutagenic and cytotoxic processes in animals, which can cause significant ecological consequences in freshwater ecosystems.
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Affiliation(s)
- Amanda Pereira da Costa Araújo
- Biological Research Laboratory, Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil
| | - Julya Emmanuela de Andrade Vieira
- Biological Research Laboratory, Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil
| | - Guilherme Malafaia
- Biological Research Laboratory, Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil.
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Ranjan S, Sharma PK. Study of learning and memory in type 2 diabetic model of zebrafish (Danio rerio). ENDOCRINE AND METABOLIC SCIENCE 2020. [DOI: 10.1016/j.endmts.2020.100058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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Baran A, Yildirim S, Ghosigharehaghaji A, Bolat İ, Sulukan E, Ceyhun SB. An approach to evaluating the potential teratogenic and neurotoxic mechanism of BHA based on apoptosis induced by oxidative stress in zebrafish embryo ( Danio rerio). Hum Exp Toxicol 2020; 40:425-438. [PMID: 32909836 DOI: 10.1177/0960327120952140] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Butylated hydroxyanisole (BHA) has been widely used in the cosmetics, pharmaceutical, and food industries due to its antioxidant activity. Despite the antioxidant effects, reported adverse effects of BHA at the cellular level have made its use controversial. In this regard, this study was performed to elucidate the potential toxicity mechanism caused by BHA at the molecular level in zebrafish embryos. For this purpose, zebrafish embryos were exposed to BHA at levels of 0.5, 1, 5, 7.5 and 10 ppm and monitored at 24, 48, 72 and 96 hours. Survival rate, hatching rate and malformations were evaluated. We examined the potential for reactive oxygen species (ROS) production and apoptosis signalling accumulation in the whole body. Moreover, we evaluated histopathological and immunohistochemical (8-OHDG) characterization of the brain in zebrafish embryos at the 96th hour. We also examined apoptosis, histopathological and immunohistochemical (8-OHDG) characteristics in 96 hpf zebrafish larvae exposed to tertiary butylhydroquinone (TBHQ), one of the major metabolites of BHA, at doses of 0.5, 2.5, 3.75 and 5 ppm. Consequently, it has been considered that increased embryonic and larval malformations in this study may have been caused by ROS-induced apoptosis. After 96 h of exposure, positive 8-OHdG immunofluorescence, degenerative changes, and necrosis were observed in the brain of BHA and TBHQ-treated zebrafish larvae in a dose-dependent manner. BHA and TBHQ exposure could lead to an increase in 8-OHdG activities by resulting oxidative DNA damage. In particular, the obtained data indicate that the induction of ROS formation, occurring during exposure to BHA and/or multiple hydroxyl groups, could be responsible for apoptosis.
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Affiliation(s)
- A Baran
- Department of Food Quality Control and Analysis, Erzurum Vocational School, 37503Atatürk University, Erzurum, Turkey
| | - S Yildirim
- Department of Pathology, Faculty of Veterinary, 37503Atatürk University, Erzurum, Turkey
| | - A Ghosigharehaghaji
- Aquatic Biotechnology Laboratory, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey
| | - İ Bolat
- Department of Pathology, Faculty of Veterinary, 37503Atatürk University, Erzurum, Turkey
| | - E Sulukan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey
| | - S B Ceyhun
- Aquatic Biotechnology Laboratory, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey.,Aquaculture Department, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey
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Volz SN, Hausen J, Nachev M, Ottermanns R, Schiwy S, Hollert H. Short exposure to cadmium disrupts the olfactory system of zebrafish (Danio rerio) - Relating altered gene expression in the olfactory organ to behavioral deficits. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 226:105555. [PMID: 32645607 DOI: 10.1016/j.aquatox.2020.105555] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 06/14/2020] [Accepted: 06/25/2020] [Indexed: 06/11/2023]
Abstract
Fish strongly rely on olfaction as a variety of essential behaviors such as foraging and predator avoidance are mediated by the olfactory system. Cadmium (Cd) is known to impair olfaction and accumulate in the olfactory epithelium (OE) and bulb (OB) of fishes. In the present study, the acute toxicity of Cd on olfaction in zebrafish (Danio rerio) was characterized on the molecular and behavioral level. To this end, quantitative real-time PCR was performed in order to analyze the expression of selected genes in both the OE and OB. Moreover, the response of zebrafish to an alarm cue was investigated. Following 24 h of exposure to Cd, the expression of genes associated with olfactory sensory neurons was reduced in the OE. Furthermore, the antioxidant genes peroxiredoxin 1 (prdx1) and heme oxygenase 1 (hmox1), as well as the metallothionein 2 gene (mt2) were upregulated in the OE, whereas hmox1 and the stress-inducible heat shock protein 70 gene (hsp70) were upregulated in the OB upon exposure to Cd. Following stimulation with a conspecific skin extract, zebrafish displayed a considerable disruption of the antipredator behavior with increasing Cd concentration. Taken together, Cd impaired olfaction in zebrafish, thereby disrupting the antipredator response, which is crucial for the survival of individuals. Cellular stress followed by disruption of olfactory sensory neurons may have contributed to the observed behavioral deficits.
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Affiliation(s)
- Sina N Volz
- Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Jonas Hausen
- Core Unit for Bioinformatics Data Analysis, University of Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Milen Nachev
- Aquatic Ecology and Centre for Water and Environmental Research, University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany.
| | - Richard Ottermanns
- Chair of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Sabrina Schiwy
- Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Henner Hollert
- Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
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Salahinejad A, Naderi M, Attaran A, Meuthen D, Niyogi S, Chivers DP. Effects of chronic exposure to bisphenol-S on social behaviors in adult zebrafish: Disruption of the neuropeptide signaling pathways in the brain. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:113992. [PMID: 32126434 DOI: 10.1016/j.envpol.2020.113992] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 12/23/2019] [Accepted: 01/13/2020] [Indexed: 06/10/2023]
Abstract
Bisphenol S (BPS), considered to be a safe alternative to Bisphenol A, is increasingly used in a wide variety of consumer and industrial products. However, mounting evidence suggests that BPS can act as a xenoestrogen targeting a wide range of neuro-endocrine functions in animals. At present, very little is known about the impacts of BPS on social behaviors and/or the potential underlying mechanisms. To this end, we exposed adult male and female zebrafish to environmentally relevant concentrations of BPS (0 (control), 1, 10, and 30 μg/L), as well as to 17β-estradiol (E2; 1 μg/L; as positive control) for 75 days. Subsequently, alterations in social behaviors were evaluated by measuring shoal cohesion, group preferences, and locomotor activity. Furthermore, to elucidate the possible molecular mechanism underlying the neuro-behavioral effects of BPS, we also quantified the changes in the mRNA abundance of arginine vasotocin (AVT), isotocin (IT), and their corresponding receptors in the zebrafish brain. The results showed that E2 and BPS (30 μg/L) decreased shoal cohesion in both males and females. Moreover, a marked decline in group preferences was observed in all treatment groups, while locomotor activity remained unaffected. Alterations in the social behaviors were associated with sex-specific changes in the mRNA expression of genes involved in IT and AVT signaling. Taken together, the results of this study suggest that chronic exposure to BPS can impair zebrafish social behaviors via disruption of isotocinergic and vasotocinergic neuro-endocrine systems.
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Affiliation(s)
- Arash Salahinejad
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada.
| | - Mohammad Naderi
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Anoosha Attaran
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Denis Meuthen
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada; Institute for Evolutionary Biology and Ecology, University of Bonn, An der Immenburg 1, 53121, Bonn, Germany
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, SK, S7N 5B3, Canada
| | - Douglas P Chivers
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK, S7N 5E2, Canada
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Christou M, Kavaliauskis A, Ropstad E, Fraser TWK. DMSO effects larval zebrafish (Danio rerio) behavior, with additive and interaction effects when combined with positive controls. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 709:134490. [PMID: 31905542 DOI: 10.1016/j.scitotenv.2019.134490] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 09/07/2019] [Accepted: 09/15/2019] [Indexed: 06/10/2023]
Abstract
Embryonic and larval zebrafish (Danio rerio) behavior is commonly used to identify neurotoxic compounds. Here, we investigated whether sub-lethal exposures to the common solvents dimethyl sulfoxide (DMSO, 0.01-1%) and methanol (MeOH, 0.01-1%), or the anti-fungal agent methylene blue (MB, 0.0001-0.0005%), can influence larval behavior in a simple light/dark paradigm conducted in 96-well plates. In addition, we tested whether the media volume within the behavioral arena or the zebrafish strain, AB wild type, AB Tübingen (AB/TU), or Tüpfel long-fin (TL), could also influence larval behavior. Following the single exposures, we co-exposed larvae to DMSO and either MB or two other compounds with known behavioral effects in larval zebrafish, flutamide and perfluorooctanesulfonic acid (PFOS). We found ≥0.55% DMSO and 0.0005% MB significantly affected larval behavior, but there was no effect of MeOH. Similarly, TL showed less movement compared to AB and AB/TU strains, whereas lower media volumes also significantly reduced larval movement. However, all strains responded similarly to DMSO and MB. In the co-exposure studies, we found either additive or interaction effects between DMSO and either MB, flutamide, or PFOS, depending on the behavioral endpoint measured. In addition, media volume had no effect on the DMSO concentration response curve, but again we observed additive effects on behavior. In conclusion, methodology can lead to alterations in baseline locomotor activity and compounds can have additive or interaction effects on behavioral endpoints. However, we found no evidence that strain effects should be a concern when deciding on solvents for a simple light/dark behavioral test in larval zebrafish.
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Affiliation(s)
- Maria Christou
- Norwegian University of Life Sciences, Department of Production Animal Clinical Sciences, Oslo, Norway
| | - Arturas Kavaliauskis
- Norwegian University of Life Sciences, Department of Production Animal Clinical Sciences, Oslo, Norway
| | - Erik Ropstad
- Norwegian University of Life Sciences, Department of Production Animal Clinical Sciences, Oslo, Norway
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Volz SN, Hausen J, Smith K, Ottermanns R, Schaeffer A, Schiwy S, Hollert H. Do you smell the danger? Effects of three commonly used pesticides on the olfactory-mediated antipredator response of zebrafish (Danio rerio). CHEMOSPHERE 2020; 241:124963. [PMID: 31604193 DOI: 10.1016/j.chemosphere.2019.124963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 09/22/2019] [Accepted: 09/23/2019] [Indexed: 06/10/2023]
Abstract
Fish are warned about the presence of predators via an alarm cue released from the skin of injured conspecifics. The detection of this odor inherently initiates an antipredator response, which increases the chance of survival for the individual. In the present study, we assessed the effect of three commonly used pesticides on the antipredator response of zebrafish (Danio rerio). For this, we analyzed the behavioral response of zebrafish to a conspecific skin extract following 24 h of exposure to the respective contaminants. Results demonstrate that fish exposed to 20 μg/L of the organophosphate insecticide chlorpyrifos significantly reduced bottom-dwelling and freezing behavior, suggesting an impairment of the antipredator response. For the urea-herbicide linuron and the pyrethroid insecticide permethrin, no statistically significant effects could be detected. However, linuron-exposed fish appeared to respond in an altered manner to the skin extract; some individuals failed to perform the inherent behaviors such as erratic movements and instead merely increased their velocity. Furthermore, we determined whether zebrafish would avoid the pesticides in a choice maze. While fish avoided permethrin, they behaved indifferently to chlorpyrifos and linuron. The study demonstrates that pesticides may alter the olfactory-mediated antipredator response of zebrafish in distinct ways, revealing that particularly fish exposed to chlorpyrifos may be more prone to predation.
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Affiliation(s)
- Sina N Volz
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
| | - Jonas Hausen
- Core Unit for Bioinformatics Data Analysis, University of Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Kilian Smith
- Chair of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
| | - Richard Ottermanns
- Chair of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
| | - Andreas Schaeffer
- Chair of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
| | - Sabrina Schiwy
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany; Department of Evolutionary Ecology and Environmental Toxicology, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438, Frankfurt am Main, Germany.
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany; Department of Evolutionary Ecology and Environmental Toxicology, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438, Frankfurt am Main, Germany.
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32
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Clément RJG, Macrì S, Porfiri M. Design and development of a robotic predator as a stimulus in conditioned place aversion for the study of the effect of ethanol and citalopram in zebrafish. Behav Brain Res 2020; 378:112256. [PMID: 31614187 PMCID: PMC6893136 DOI: 10.1016/j.bbr.2019.112256] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/20/2019] [Accepted: 09/20/2019] [Indexed: 12/18/2022]
Abstract
Zebrafish are becoming a species of choice in psychopharmacology, laying a promising path to refined pharmacological manipulations and high-throughput behavioral phenotyping. The field of robotics has the potential to accelerate progress along this path, by offering unprecedented means for the design and development of accurate and reliable experimental stimuli. In this work, we demonstrate, for the first time, the integration of robotic predators in place conditioning experiments. We hypothesized zebrafish to be capable of forming a spatial association under a simulated predation risk. We repeatedly exposed experimental subjects to a robotic heron impacting the water surface and then evaluated their spatial avoidance within the experimental tank in a subsequent predator-free test session. To pharmacologically validate the paradigm, we tested zebrafish in drug-free conditions (control groups) or in response to three different concentrations of citalopram (30, 50, and 100 mg/L) and ethanol (0.25, 0.50, and 1.00%). Experimental data indicate that, when tested in the absence of the conditioning stimulus, zebrafish displayed a marked preference for the bottom of the test tank, that is, the farthest location from the simulated attacks by the robotic heron. This conditioned geotaxis was reduced by the administration of citalopram in a linear dose-response curve and ethanol at the low concentration. Ultimately, our data demonstrate that robotic stimuli may represent valid conditioning tools and, thereby, aid the field of zebrafish psychopharmacology.
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Affiliation(s)
- Romain J G Clément
- Department of Mechanical and Aerospace Engineering, New York University, Tandon School of Engineering, 6 MetroTech Center, Brooklyn, NY, 11201, USA
| | - Simone Macrì
- Department of Mechanical and Aerospace Engineering, New York University, Tandon School of Engineering, 6 MetroTech Center, Brooklyn, NY, 11201, USA; Centre for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Maurizio Porfiri
- Department of Mechanical and Aerospace Engineering, New York University, Tandon School of Engineering, 6 MetroTech Center, Brooklyn, NY, 11201, USA; Department of Biomedical Engineering, New York University, Tandon School of Engineering, 6 MetroTech Center, Brooklyn, NY, 11201, USA.
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Oh J, Kim DH, Kim GY, Park EJ, Ryu JH, Jung JW, Park SJ, Kim GW, Lee S. Hydrangeae Dulcis Folium Attenuates Physical Stress by Supressing ACTH-Induced Cortisol in Zebrafish. Chin J Integr Med 2019; 26:130-137. [DOI: 10.1007/s11655-019-3204-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2018] [Indexed: 12/11/2022]
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Lucon-Xiccato T, Di Mauro G, Bisazza A, Bertolucci C. Alarm cue-mediated response and learning in zebrafish larvae. Behav Brain Res 2019; 380:112446. [PMID: 31870779 DOI: 10.1016/j.bbr.2019.112446] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 12/17/2022]
Abstract
We investigated the behavioural and learning response of zebrafish larvae to chemicals released by injured conspecifics (the alarm cue). Many aquatic vertebrates and invertebrates exhibit an innate antipredator response to alarm cues because in nature, they reliably indicate the presence of predators. Likewise, when an individual simultaneously perceives a novel odour and alarm cue, it learns to recognise the novel odour as a predator odour. Alarm cue-mediated behavioural response and learning have been reported in some fish and amphibians during early ontogeny, but in zebrafish, they have been described only for adults. In this study, we demonstrated that zebrafish at 12 and 24 days post fertilization exhibited reduced activity when exposed to alarm cue obtained by homogenised larvae of the same age, with this response being greater for the older zebrafish. In addition, we showed that 24-dpf zebrafish conditioned with alarm cue plus a novel odour learned to recognise the novel odour as a threat and responded to it with antipredator behaviour. The innate behavioural response and the learned response after conditioning may be used to develop paradigms with which to study anxiety, fear, stress, learning and memory in zebrafish larvae.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
| | - Giuseppe Di Mauro
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Angelo Bisazza
- Dipartimento di Psicologia Generale, Università di Padova, Padova, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
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Kulikov A, Sinyakova N, Kulikova E, Khomenko T, Salakhutdinov N, Kulikov V, Volcho K. Effects of Acute and Chronic Treatment of Novel Psychotropic Drug, 8- (Trifluoromethyl)-1, 2, 3, 4, 5-benzopentathiepin-6-amine Hydrochloride (TC-2153), on the Behavior of Zebrafish (Danio Rerio): A Comparison with Fluoxetine. LETT DRUG DES DISCOV 2019. [DOI: 10.2174/1570180816666190221162952] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Striatal-enriched Tyrosine Phosphatase (STEP) plays a key role in the
mechanisms of neuronal signaling and is a potential molecular target for new generation of
psychotropic drugs. STEP inhibitor, 8-(trifluoromethyl-1,2,3,4,5-benzopentathiepin-6-amine
hydrochloride (TC-2153), shows anxiolytic effect on mice. Zebrafish (Danio rerio) is a suitable
model for the study of anxiety pharmacology.
Objective:
The objective of this study is to investigate the effects of acute and chronic TC-2153
treatment on zebrafish anxiety-related behavior.
Methods:
The effects of acute (0.125 and 0.25 mg/l, 3 h) and chronic (0.125 mg/l, 14 days)
administration of TC-2153 on locomotion and anxiety-related behavior (time spent near the bottom
and mean distance from the bottom) of adult zebrafish in the Novel Tank (NT) test were compared
with those of the same doses of fluoxetine chosen as a positive control.
Results:
Acute treatment with 0.125 mg/l and 0.25 mg/l of TC-2153 or fluoxetine decreased time
spent near the bottom, increased time spent near the surface and increased mean distance from the
bottom of tank. Chronic treatment with 0.125 mg/l of TC-2153 reduced only time spent near the
tank bottom without any effect on time spent near the surface and mean distance from the bottom,
while chronic administration of 0.125 mg/l of fluoxetine altered these three indices of anxiety.
Conclusion:
Both acute and chronic TC-2153 produces anxiety-like effect indicating STEP
involved in the mechanism of anxiety-related behavior in zebrafish. At the same time, chronic
treatment with TC-2153 reduced locomotor activity. Zebrafish is a promising laboratory object to
study the role of STEP in the nervous system.
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Affiliation(s)
- Alexander Kulikov
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
| | - Nadezhda Sinyakova
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
| | - Elizabeth Kulikova
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
| | - Tatyana Khomenko
- Novosibirsk Institute of Organic Chemistry, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
| | - Nariman Salakhutdinov
- Novosibirsk Institute of Organic Chemistry, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
| | - Victor Kulikov
- Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
| | - Konstantin Volcho
- Novosibirsk Institute of Organic Chemistry, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
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Chagas TQ, da Silva Alvarez TG, Montalvão MF, Mesak C, Rocha TL, da Costa Araújo AP, Malafaia G. Behavioral toxicity of tannery effluent in zebrafish (Danio rerio) used as model system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 685:923-933. [PMID: 31247439 DOI: 10.1016/j.scitotenv.2019.06.253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/11/2019] [Accepted: 06/16/2019] [Indexed: 06/09/2023]
Abstract
The ecotoxicity of untreated tannery effluent (UTE) in several animal models has been reported; however, its effects on fish behavior, and neurotoxicity, remain unknown. Thus, the hypothesis that the chronic exposure to UTE can induce behavioral changes in adult zebrafish (Danio rerio) representatives, even when it is highly diluted in water, was tested. Animals exposed to 0.1% and 0.3% UTE for 30 days showed behavioral changes in visual social preference tests through their co-specific and antipredator defensive responses, which had indicated neurotoxic actions. Zebrafish exposed to UTE appeared to have not co-specific preference when it is paired with Poecilia sphrenops. In addition, only animals in the control group showed aversive behavior in the presence of the herein used predatory stimulus (Oreochromis niloticus). However, Cr, Na and Mg bioaccumulation was higher in zebrafish exposed to 0.1% and 0.3% UTE, although anxiogenic and anxiolytic effects were not observed in the models exposed to UTE in the novel tank diving or aggressiveness-increase-in-the-mirror tests. This outcome allowed associating the exposure to the pollutant and bioaccumulation with the observed behavioral changes. The present study is pioneer in scientifically evidencing the sublethal impact caused by chronic exposure to UTE in experimental environment simulating realistic aquatic pollution conditions. Accordingly, results in the current research should motivate further investigations to broaden the knowledge about the real magnitude of UTE biological impacts on the aquatic biota.
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Affiliation(s)
- Thales Quintão Chagas
- Biological Research Laboratory, Post-graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil
| | - Tenilce Gabriela da Silva Alvarez
- Biological Research Laboratory, Post-graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil
| | - Mateus Flores Montalvão
- Biological Research Laboratory, Post-graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil
| | - Carlos Mesak
- Biological Research Laboratory, Post-graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, GO, Brazil; Post-graduation Program in Genetics and Molecular Biology, Institute of Biological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
| | - Amanda Pereira da Costa Araújo
- Biological Research Laboratory, Post-graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil
| | - Guilherme Malafaia
- Biological Research Laboratory, Post-graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil; Post-graduation Program in Genetics and Molecular Biology, Institute of Biological Sciences, Federal University of Goiás, Goiânia, GO, Brazil.
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Contextual fear learning and memory differ between stress coping styles in zebrafish. Sci Rep 2019; 9:9935. [PMID: 31289317 PMCID: PMC6617452 DOI: 10.1038/s41598-019-46319-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 06/26/2019] [Indexed: 11/25/2022] Open
Abstract
Animals frequently overcome stressors and the ability to learn and recall these salient experiences is essential to an individual’s survival. As part of an animal’s stress coping style, behavioral and physiological responses to stressors are often consistent across contexts and time. However, we are only beginning to understand how cognitive traits can be biased by different coping styles. Here we investigate learning and memory differences in zebrafish (Danio rerio) displaying proactive and reactive stress coping styles. We assessed learning rate and memory duration using an associative fear conditioning paradigm that trained zebrafish to associate a context with exposure to a natural olfactory alarm cue. Our results show that both proactive and reactive zebrafish learn and remember this fearful association. However, we note significant interaction effects between stress coping style and cognition. Zebrafish with the reactive stress coping style acquired the fear memory at a significantly faster rate than proactive fish. While both stress coping styles showed equal memory recall one day post-conditioning, reactive zebrafish showed significantly stronger recall of the conditioned context relative to proactive fish four days post-conditioning. Through understanding how stress coping strategies promote biases in processing salient information, we gain insight into mechanisms that can constrain adaptive behavioral responses.
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38
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Fontana BD, Franscescon F, Rosemberg DB, Norton WH, Kalueff AV, Parker MO. Zebrafish models for attention deficit hyperactivity disorder (ADHD). Neurosci Biobehav Rev 2019; 100:9-18. [DOI: 10.1016/j.neubiorev.2019.02.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 02/15/2019] [Accepted: 02/15/2019] [Indexed: 01/23/2023]
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Mezzomo NJ, Fontana BD, Müller TE, Duarte T, Quadros VA, Canzian J, Pompermaier A, Soares SM, Koakoski G, Loro VL, Rosemberg DB, Barcellos LJG. Taurine modulates the stress response in zebrafish. Horm Behav 2019; 109:44-52. [PMID: 30742830 DOI: 10.1016/j.yhbeh.2019.02.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 01/31/2019] [Accepted: 02/07/2019] [Indexed: 12/13/2022]
Abstract
The zebrafish (Danio rerio) is used as an emergent model organism to investigate the behavioral and physiological responses to stress. The anxiolytic-like effects of taurine in zebrafish support the existence of different mechanisms of action, which can play a role in preventing stress-related disorders (i.e., modulation of GABAA, strychnine-sensitive glycine, and NMDA receptors, as well as antioxidant properties). Herein, we investigate whether taurine modulates some behavioral and biochemical responses in zebrafish acutely submitted to chemical and mechanical stressors. We pretreated zebrafish for 1 h in beakers at 42, 150, and 400 mg/L taurine. Fish were later acutely exposed to a chemical stressor (conspecific alarm substance) or to a mechanical stressor (net chasing), which elicits escaping responses and aversive behaviors. Locomotion, exploration, and defensive-like behaviors were measured using the novel tank and the light-dark tests. Biochemical (brain oxidative stress-related parameters) and whole-body cortisol levels were also quantified. We showed that taurine prevents anxiety/fear-like behaviors and protein carbonylation and dampens the cortisol response following acute stress in zebrafish. In summary, our results demonstrate a protective role of taurine against stress-induced behavioral and biochemical changes, thereby reinforcing the growing utility of zebrafish models to investigate the neuroprotective actions of taurine in vertebrates.
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Affiliation(s)
- Nathana J Mezzomo
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Pharmacology, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.
| | - Barbara D Fontana
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Talise E Müller
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Tâmie Duarte
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Vanessa A Quadros
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Aline Pompermaier
- Graduate Program in Bio-Experimentation, University of Passo Fundo (UPF), BR 285, Passo Fundo, RS 99052-900, Brazil
| | - Suelen M Soares
- Graduate Program in Pharmacology, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Gessi Koakoski
- Graduate Program in Bio-Experimentation, University of Passo Fundo (UPF), BR 285, Passo Fundo, RS 99052-900, Brazil
| | - Vania L Loro
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA
| | - Leonardo J G Barcellos
- Graduate Program in Pharmacology, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Bio-Experimentation, University of Passo Fundo (UPF), BR 285, Passo Fundo, RS 99052-900, Brazil; Graduate Program in Environmental Sciences, University of Passo Fundo (UPF), BR 285, Passo Fundo, RS 99052-900, Brazil
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40
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Reproducibility and replicability in zebrafish behavioral neuroscience research. Pharmacol Biochem Behav 2019; 178:30-38. [DOI: 10.1016/j.pbb.2018.02.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 02/06/2018] [Accepted: 02/22/2018] [Indexed: 12/26/2022]
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41
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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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42
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Zabegalov KN, Kolesnikova TO, Khatsko SL, Volgin AD, Yakovlev OA, Amstislavskaya TG, Friend AJ, Bao W, Alekseeva PA, Lakstygal AM, Meshalkina DA, Demin KA, de Abreu MS, Rosemberg DB, Kalueff AV. Understanding zebrafish aggressive behavior. Behav Processes 2019; 158:200-210. [DOI: 10.1016/j.beproc.2018.11.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 11/19/2018] [Accepted: 11/19/2018] [Indexed: 12/15/2022]
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Fontana BD, Stefanello FV, Mezzomo NJ, Müller TE, Quadros VA, Parker MO, Rico EP, Rosemberg DB. Taurine modulates acute ethanol-induced social behavioral deficits and fear responses in adult zebrafish. J Psychiatr Res 2018; 104:176-182. [PMID: 30096615 DOI: 10.1016/j.jpsychires.2018.08.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 07/25/2018] [Accepted: 08/02/2018] [Indexed: 01/08/2023]
Abstract
Ethanol (EtOH) is a central nervous system (CNS) depressant drug that modifies various behavioral domains (i.e., sociability, aggressiveness, and memory) by promoting disinhibition of punished operant behavior and neurochemical changes. Taurine (TAU) is a β-amino sulfonic acid with pleiotropic roles in the brain. Although exogenous TAU is found in energy drinks and often mixed with alcohol in beverages, the putative risks of mixing TAU and EtOH are poorly explored. Here, we investigated whether TAU modulates social and fear responses by assessing shoaling behavior, preference for conspecifics, and antipredatory behavior of adult zebrafish acutely exposed to EtOH. Zebrafish shoals (4 fish per shoal) were exposed to water (control), TAU (42, 150, and 400 mg/L), 0.25% (v/v) EtOH alone or in association with TAU for 1 h, and their behaviors were analyzed at different time intervals (0-5 min, 30-35 min, and 55-60 min). The effects of TAU and EtOH were further tested in a social preference test and during exposure to a predator. Both EtOH and TAU co-treated fish showed a higher shoal dispersion, while TAU 400/EtOH group shoal area had a similar profile when compared to control. However, in the social preference test, TAU 400/EtOH impaired the seeking for conspecifics. Regarding fear-like behaviors, TAU-cotreated fish showed a prominent reduction in risk assessments when compared to EtOH alone. Overall, we demonstrate that TAU modulates EtOH-induced changes in different behavioral domains, suggesting a complex relationship between social and fear-like responses.
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Affiliation(s)
- Barbara D Fontana
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil.
| | - Flavia V Stefanello
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Nathana J Mezzomo
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Pharmacology, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Talise E Müller
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Vanessa A Quadros
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Matthew O Parker
- Brain and Behaviour Laboratory, School of Pharmacy and Biomedical Sciences, University of Portsmouth, UK; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Eduardo P Rico
- Graduate Program in Health Sciences, Laboratory of Neural Signaling and Psychopharmacology, Academic Unit of Health Sciences, University of Southern Santa Catarina (UNESC), 1105, Universitária Avenue, Bloco S, Sala 6, Criciúma, SC, 88806-000, Brazil
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA.
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44
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Demin KA, Meshalkina DA, Kysil EV, Antonova KA, Volgin AD, Yakovlev OA, Alekseeva PA, Firuleva MM, Lakstygal AM, de Abreu MS, Barcellos LJG, Bao W, Friend AJ, Amstislavskaya TG, Rosemberg DB, Musienko PE, Song C, Kalueff AV. Zebrafish models relevant to studying central opioid and endocannabinoid systems. Prog Neuropsychopharmacol Biol Psychiatry 2018; 86:301-312. [PMID: 29604314 DOI: 10.1016/j.pnpbp.2018.03.024] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/26/2018] [Accepted: 03/26/2018] [Indexed: 12/19/2022]
Abstract
The endocannabinoid and opioid systems are two interplaying neurotransmitter systems that modulate drug abuse, anxiety, pain, cognition, neurogenesis and immune activity. Although they are involved in such critical functions, our understanding of endocannabinoid and opioid physiology remains limited, necessitating further studies, novel models and new model organisms in this field. Zebrafish (Danio rerio) is rapidly emerging as one of the most effective translational models in neuroscience and biological psychiatry. Due to their high physiological and genetic homology to humans, zebrafish may be effectively used to study the endocannabinoid and opioid systems. Here, we discuss current models used to target the endocannabinoid and opioid systems in zebrafish, and their potential use in future translational research and high-throughput drug screening. Emphasizing the high degree of conservation of the endocannabinoid and opioid systems in zebrafish and mammals, we suggest zebrafish as an excellent model organism to study these systems and to search for the new drugs and therapies targeting their evolutionarily conserved mechanisms.
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Affiliation(s)
- Konstantin A Demin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia; Laboratory of Preclinical Bioscreening, Russian Research Center for Radiology and Surgical Technologies, Ministry of Health, St. Petersburg, Russia
| | - Darya A Meshalkina
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia; Laboratory of Preclinical Bioscreening, Russian Research Center for Radiology and Surgical Technologies, Ministry of Health, St. Petersburg, Russia
| | - Elana V Kysil
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Kristina A Antonova
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Andrey D Volgin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Medical Military Academy, St. Petersburg, Russia
| | - Oleg A Yakovlev
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Medical Military Academy, St. Petersburg, Russia
| | - Polina A Alekseeva
- Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia
| | - Maria M Firuleva
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Anton M Lakstygal
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Murilo S de Abreu
- Bioscience Institute, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil; Graduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, Brazil
| | - Leonardo J G Barcellos
- Graduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, Brazil; Graduate Programs in Environmental Sciences, and Bio-Experimentation, University of Passo Fundo (UPF), Passo Fundo, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, LA, USA
| | - Wandong Bao
- School of Pharmacy, Southwest University, Chongqing, China
| | - Ashton J Friend
- The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, LA, USA; Tulane University School of Science and Engineering, New Orleans, LA, USA
| | - Tamara G Amstislavskaya
- The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, LA, USA; Laboratory of Translational Biopsychiatry, Research Institute of Physiology and Basic Medicine, Novosibirsk, Russia; Neuroscience Department, Novosibirsk State University, Novosibirsk, Russia
| | - Denis B Rosemberg
- The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, LA, USA; Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, Brazil
| | - Pavel E Musienko
- Laboratory of Neuroprosthetics, Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Laboratory of Motor Physiology, Pavlov Institute of Physiology RAS, St. Petersburg, Russia; Laboratory of Neurophysiology and Experimental Neurorehabilitation, St. Petersburg State Research Institute of Phthysiopulmonology, Ministry of Health, St. Petersburg, Russia; Russian Research Center of Radiology and Surgical Technologies, Ministry of Health, St. Petersburg, Russia
| | - Cai Song
- Research Institute for Marine Drugs and Nutrition, Guangdong Ocean University, Zhanjiang, China; Marine Medicine Research and Development Center, Shenzhen Institute of Guangdong Ocean University, Shenzhen, China
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China; Laboratory of Translational Biopsychiatry, Research Institute of Physiology and Basic Medicine, Novosibirsk, Russia; Neuroscience Department, Novosibirsk State University, Novosibirsk, Russia; ZENEREI Research Center, Slidell, LA, USA; Russian Research Center of Radiology and Surgical Technologies, Ministry of Health, St. Petersburg, Russia; Ural Federal University, Ekaterinburg, Russia; Aquatic Laboratory, Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia.
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45
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Tsang B, Ansari R, Azhar A, Gerlai R. Drinking in the morning versus evening: Time-dependent differential effects of acute alcohol administration on the behavior of zebrafish. Pharmacol Biochem Behav 2018; 175:174-185. [PMID: 30153446 DOI: 10.1016/j.pbb.2018.08.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/21/2018] [Accepted: 08/23/2018] [Indexed: 12/12/2022]
Abstract
Alcohol (ethanol) abuse remains to be a leading cause of medical, including mental, problems throughout the world. Whether alcohol consumption leads to chronic use, and subsequent alcohol dependency and abuse is known to be influenced by the acute effects of this drug. Numerous factors may influence how alcohol administered acutely affects the individual. For example, the mechanisms engaged by drugs of abuse, e.g. cocaine as well as alcohol, have been shown to overlap with those underlying circadian rhythm, and conversely, the effects of these drugs may be dependent upon the time of day of their consumption. To investigate the interaction between circadian rhythm and alcohol, here we employ a simple vertebrate model organism that was previously successfully utilized in other aspects of alcohol research, the zebrafish. We expose zebrafish to alcohol for 20 min in the morning or in the evening, and analyze the effects of this treatment by comparing 1% (vol/vol) alcohol-treated and control (alcohol naive) zebrafish. We record numerous swim path parameters, and report, for the first time, that the time of day of alcohol administration differentially affects certain behavioral parameters, enhancing some while blunting others. Our results suggest a complex interaction between circadian dependent and alcohol engaged mechanisms, findings that represent both practical complications as well as opportunities for understanding how alcohol affects brain function and behavior of vertebrates.
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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
| | - Amna Azhar
- Department of Psychology, University of Toronto Mississauga, Canada
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Canada; Cell and Systems Biology Department, University of Toronto, Canada.
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46
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da Silva Chaves SN, Felício GR, Costa BPD, de Oliveira WEA, Lima-Maximino MG, Siqueira Silva DHD, Maximino C. Behavioral and biochemical effects of ethanol withdrawal in zebrafish. Pharmacol Biochem Behav 2018; 169:48-58. [DOI: 10.1016/j.pbb.2018.04.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 04/19/2018] [Accepted: 04/20/2018] [Indexed: 12/09/2022]
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Muniandy Y. The Use of Larval Zebrafish (Danio rerio) Model for Identifying New Anxiolytic Drugs from Herbal Medicine. Zebrafish 2018; 15:321-339. [PMID: 29851363 DOI: 10.1089/zeb.2018.1562] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Anxiety is a widespread psychiatric disorder. The search for a cure is still continuing since many of the synthetic drugs were inefficient in completely treating anxiety, yet caused some dangerous side effects until many of the drugs were withdrawn from the market. One promising source of new anxiolytics could be herbal medicines. The challenge is to screen plant extracts. Rodent models can be used for this purpose but are expensive. Moreover, rodent tests are costly and consume relatively large quantities of sample. For this reason, alternative animal models may be useful. Zebrafish larvae have many advantages for screening natural products. The main advantage is that they can be produced cheaply and in large numbers. Several studies have shown that the zebrafish is a good model for studying drugs that affect anxiety. This review focuses on the use of animal models, including zebrafish larvae, for studying anxiety and screening for herbal medicines that modulate anxiety. Finally, future prospects of the zebrafish larva as an alternative model in this field are also discussed.
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Affiliation(s)
- Yuvendran Muniandy
- 1 Animal Sciences and Health, Faculty of Mathematics and Natural Sciences, Institute of Biology Leiden , Leiden, Netherlands .,2 Plant Sciences and Natural Products, Faculty of Mathematics and Natural Sciences, Institute of Biology Leiden , Leiden, Netherlands
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48
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Zahid H, Tsang B, Ahmed H, Lee RCY, Tran S, Gerlai R. Diazepam fails to alter anxiety-like responses but affects motor function in a white-black test paradigm in larval zebrafish (Danio rerio). Prog Neuropsychopharmacol Biol Psychiatry 2018; 83:127-136. [PMID: 29360490 DOI: 10.1016/j.pnpbp.2018.01.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 01/09/2018] [Accepted: 01/17/2018] [Indexed: 11/30/2022]
Abstract
The growing popularity of zebrafish in psychopharmacology and behavioral brain research is partly due to the practicality and simplicity of drug administration in this species. Several drugs may be administered to zebrafish by immersing the fish in the drug solution. Furthermore, numerous drugs developed for mammals, including humans, have been found to show a similar effect profile in the zebrafish. Thus, the zebrafish has been suggested as a potentially useful animal screening tool. Despite decades of drug development, anxiety still represents a major unmet medical need, and the search for anxiolytic compounds is continuing. The zebrafish has been proposed for high throughput screens for anxiolytic compounds, and the effects of anxiolytic compounds on the behavior of zebrafish have started to be explored. Diazepam (Valium®) is a frequently prescribed human anxiolytic, a GABAA receptor agonist, has also started to be tested in zebrafish, but with occasional contradicting results. Here, we investigate the effects of diazepam in larval (6-day post-fertilization old) zebrafish in a black-white preference paradigm. We found significant white preference and thigmotaxis (edge preference) in our control fish, anxiety-like responses that habituated over time. However, unexpectedly, we observed no anxiolytic effects of diazepam on these behaviors, and only detected significant motor activity reducing effect of the drug. We discuss the complex interpretation of light/dark tests in zebrafish, and also speculate about the possibility of differential GABAergic mechanisms that diazepam affects in larval vs adult zebrafish.
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Affiliation(s)
- Hifsa Zahid
- Department of Psychology, University of Toronto Mississauga, Canada
| | - Benjamin Tsang
- Department of Psychology, University of Toronto Mississauga, Canada
| | - Hira Ahmed
- Department of Psychology, University of Toronto Mississauga, Canada
| | | | - Steven Tran
- Department of Cell and System Biology, University of Toronto, Canada
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Canada; Department of Cell and System Biology, University of Toronto, Canada.
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49
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Soares MC, Cardoso SC, Carvalho TDS, Maximino C. Using model fish to study the biological mechanisms of cooperative behaviour: A future for translational research concerning social anxiety disorders? Prog Neuropsychopharmacol Biol Psychiatry 2018; 82:205-215. [PMID: 29154800 DOI: 10.1016/j.pnpbp.2017.11.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 11/03/2017] [Accepted: 11/10/2017] [Indexed: 01/05/2023]
Abstract
Human societies demand of its composing members the development of a wide array of social tools and strategies. A notable example is human outstanding ability to cooperate with others, in all its complex forms, depicting the reality of a highly demanding social framework in which humans need to be integrated as to attain physical and mental benefits. Considering the importance of social engagement, it's not entirely unexpected that most psychiatric disorders involve some disruption of normal social behaviour, ranging from an abnormal absence to a significant increase of social functioning. It is however surprising that knowledge on these social anxiety disorders still remains so limited. Here we review the literature focusing on the social and cooperative toolbox of 3 fish model species (cleaner fishes, guppies and zebrafish) which are amenable systems to test for social disorders. We build on current knowledge based on ethological information, arising from studies on cooperative behaviour in cleanerfishes and guppies, while profiting from the advantages of the intense use of zebrafish, to create novel paradigms aiming at the major socio-cognitive modules/dimensions in fish species. This focus may enable the discovery of putative conserved endpoints which are relevant for research into social disorders. We suggest that cross-species, cross-domain, functional and genetic approaches could provide a wider array of information on the neurobiological bases of social and cooperative behaviour, crucial to understanding the neural bases of social disorders and key to finding novel avenues towards treatment.
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Affiliation(s)
- Marta C Soares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal.
| | - Sónia C Cardoso
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - Tamires Dos Santos Carvalho
- IESB, Instituto de Estudos em Saúde e Biológicas, Universidade Federal do Sul e Sudeste do Pará, Unidade III, Marabá, Brazil
| | - Caio Maximino
- IESB, Instituto de Estudos em Saúde e Biológicas, Universidade Federal do Sul e Sudeste do Pará, Unidade III, Marabá, Brazil
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Meshalkina DA, Kysil EV, Warnick JE, Demin KA, Kalueff AV. Adult zebrafish in CNS disease modeling: a tank that's half-full, not half-empty, and still filling. Lab Anim (NY) 2018; 46:378-387. [PMID: 28984854 DOI: 10.1038/laban.1345] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 08/18/2017] [Indexed: 01/17/2023]
Abstract
The zebrafish (Danio rerio) is increasingly used in a broad array of biomedical studies, from cancer research to drug screening. Zebrafish also represent an emerging model organism for studying complex brain diseases. The number of zebrafish neuroscience studies is exponentially growing, significantly outpacing those conducted with rodents or other model organisms. Yet, there is still a substantial amount of resistance in adopting zebrafish as a first-choice model system. Studies of the repertoire of zebrafish neural and behavioral functions continue to reveal new opportunities for understanding the pathobiology of various CNS deficits. Although some of these models are well established in zebrafish, including models for anxiety, depression, and addiction, others are less recognized, for example, models of autism and obsessive-compulsive states. However, mounting data indicate that a wide spectrum of CNS diseases can be modeled in adult zebrafish. Here, we summarize recent findings using zebrafish CNS assays, discuss model limitations and the existing challenges, as well as outline future directions of research in this field.
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Affiliation(s)
- Darya A Meshalkina
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia.,The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, Louisiana, USA
| | - Elana V Kysil
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Jason E Warnick
- The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, Louisiana, USA.,Department of Behavioral Sciences, Arkansas Tech University, Russellville, Arkansas, USA
| | - Konstantin A Demin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia.,The International Zebrafish Neuroscience Research Consortium (ZNRC), Slidell, Louisiana, USA
| | - Allan V Kalueff
- School of Pharmaceutical Sciences, Southwest University, Chongqing, China.,Laboratory of Biological Psychiatry, ITBM, St. Petersburg State University, St. Petersburg, Russia.,Ural Federal University, Ekaterinburg, Russia.,ZENEREI Research Center, Slidell, Louisiana, USA
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