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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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2
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Goodall J, Rincón-Camacho L, Pozzi AG. Epidermal club cells in the cardinal tetra (Paracheirodon axelrodi): Presence, distribution, and relationship to antipredator behavior. ZOOLOGY 2024; 164:126170. [PMID: 38701689 DOI: 10.1016/j.zool.2024.126170] [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: 06/08/2023] [Revised: 04/18/2024] [Accepted: 04/23/2024] [Indexed: 05/05/2024]
Abstract
Epidermal club cells (ECCs) are present in many species of teleost fish. In an attempt to justify their presence in the epidermis of fish, they have been associated with numerous functions. One proposed function is communication with conspecifics during a predation event, as these cells may passively release substances upon rupture, which may occur during predation. We identified the presence and distribution of ECCs in the body skin of adult cardinal tetra, Paracheirodon axelrodi (Schultz, 1956) and analyzed the animal's behavioral response to conspecific skin extract in a laboratory setting. The identification and distribution of ECCs in the epidermis of the animals were confirmed by conventional histology and immunohistochemistry. Our results demonstrated that: ECCs are present in the skin of the entire body; a high density is observed in the dorsal side from head to tail, in the insertion of the fins and in the epidermis covering them; and ventral distribution is less extensive and more dispersed than dorsal distribution. Treatment of P. axelrodi specimens with skin preparations of conspecifics resulted in behavioral changes in the animals: they showed erratic swimming movements, they showed avoidance of the area of stimulus application and they decreased the time spent moving. Overall, these results allow us to conclude that P. axelrodi possesses ECCs throughout the body, with a greater presence in areas of high exposure to predation events (dorsal area and fins). Animals exposed to conspecific skin extract showed a significant increase in behaviors described as anti-predatory in other species. This supports the hypothesis that ECCs may be the origin of chemical alarm cues that are passively released when skin damage occurs, alerting the rest of the group to the risk of predation.
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Affiliation(s)
- Jazmín Goodall
- Laboratorio de Neuroendocrinología y Comportamiento en Peces y Anfibios, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
| | - Laura Rincón-Camacho
- Laboratorio de Neuroendocrinología y Comportamiento en Peces y Anfibios, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina; Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA-CONICET), Pabellón II (4to piso), Ciudad Universitaria, Buenos Aires 1428, Argentina
| | - Andrea Gabriela Pozzi
- Laboratorio de Neuroendocrinología y Comportamiento en Peces y Anfibios, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina; Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA-CONICET), Pabellón II (4to piso), Ciudad Universitaria, Buenos Aires 1428, Argentina.
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3
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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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4
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Shimizu N, Shiraishi H, Hanada T. Zebrafish as a Useful Model System for Human Liver Disease. Cells 2023; 12:2246. [PMID: 37759472 PMCID: PMC10526867 DOI: 10.3390/cells12182246] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Liver diseases represent a significant global health challenge, thereby necessitating extensive research to understand their intricate complexities and to develop effective treatments. In this context, zebrafish (Danio rerio) have emerged as a valuable model organism for studying various aspects of liver disease. The zebrafish liver has striking similarities to the human liver in terms of structure, function, and regenerative capacity. Researchers have successfully induced liver damage in zebrafish using chemical toxins, genetic manipulation, and other methods, thereby allowing the study of disease mechanisms and the progression of liver disease. Zebrafish embryos or larvae, with their transparency and rapid development, provide a unique opportunity for high-throughput drug screening and the identification of potential therapeutics. This review highlights how research on zebrafish has provided valuable insights into the pathological mechanisms of human liver disease.
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Affiliation(s)
- Nobuyuki Shimizu
- Department of Cell Biology, Oita University Faculty of Medicine, Yufu 879-5593, Oita, Japan;
| | | | - Toshikatsu Hanada
- Department of Cell Biology, Oita University Faculty of Medicine, Yufu 879-5593, Oita, Japan;
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5
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Lopes AR, Leandro LP, Mariano MVT, Posser T, Franco J. Assessment of alcohol-induced aggressive behavior in zebrafish (Danio rerio): A practical class. BIOCHEMISTRY AND MOLECULAR BIOLOGY EDUCATION : A BIMONTHLY PUBLICATION OF THE INTERNATIONAL UNION OF BIOCHEMISTRY AND MOLECULAR BIOLOGY 2023; 51:455-460. [PMID: 37078473 DOI: 10.1002/bmb.21730] [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: 05/30/2022] [Revised: 02/28/2023] [Accepted: 03/10/2023] [Indexed: 04/21/2023]
Abstract
Ethanol (EtOH) is among the most consumed drugs in the world. The behavior of humans after ingestion of this drug is characteristic: At low doses it may be excitatory and at higher doses, it may induce depressant/sedative effects. Similar effects are observed in the zebrafish experimental model (Danio rerio), which has about 70% genetic similarity with humans and has been widely used in numerous research. With the objective of improving the learning of biochemistry students, this work aimed to develop a practical exercise in the laboratory for students to observe the behavioral repertoire of zebrafish under the effects of exposure to ethanol. Through this practical class, the students were able to observe the similarity of the behavior of the animal model with that of humans, showing its importance for the consolidation of knowledge, awakening in the students an interest in science and its applications in everyday life.
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Affiliation(s)
- Andressa Rubim Lopes
- Post graduate Program in Physiological Sciences, Institute of Biological Sciences, Universidade Federal do Rio Grande (FURG), Rio Grande, Rio Grande do Sul, Brazil
| | - Luana Paganotto Leandro
- Oxidative Stress and Cell Signaling Research Group (GPEOSCEL), Universidade Federal do Pampa (UNIPAMPA), Campus São Gabriel, São Gabriel, Rio Grande do Sul, Brazil
| | - Maria Vitória Takemura Mariano
- Oxidative Stress and Cell Signaling Research Group (GPEOSCEL), Universidade Federal do Pampa (UNIPAMPA), Campus São Gabriel, São Gabriel, Rio Grande do Sul, Brazil
| | - Thais Posser
- Oxidative Stress and Cell Signaling Research Group (GPEOSCEL), Universidade Federal do Pampa (UNIPAMPA), Campus São Gabriel, São Gabriel, Rio Grande do Sul, Brazil
| | - Jeferson Franco
- Oxidative Stress and Cell Signaling Research Group (GPEOSCEL), Universidade Federal do Pampa (UNIPAMPA), Campus São Gabriel, São Gabriel, Rio Grande do Sul, Brazil
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6
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Alef R, Blaser RE. Social group during housing and testing modulates the effect of ethanol on zebrafish (Danio rerio) behavior. Behav Processes 2023; 209:104877. [PMID: 37105449 DOI: 10.1016/j.beproc.2023.104877] [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: 01/12/2023] [Revised: 04/20/2023] [Accepted: 04/24/2023] [Indexed: 04/29/2023]
Abstract
Zebrafish (Danio rerio) are a popular model organism in behavioral pharmacology research due to many genetic and neurological similarities with humans. As a social species, the presence (or absence) of conspecifics during housing and testing is likely to affect behavior, but these effects have not yet been well characterized. The goal of the current study was to better understand how social variables influence depth preference in zebrafish. Subjects were housed individually, in pairs, or in groups of four, then tested in a novel tank either individually or with their tankmates. Prior to testing, fish were exposed to 0.0%, 0.5%, or 1.0% ethanol. Behavior was recorded using a combination of manual coding methods and ANYMaze (™) video-tracking. Our results demonstrated more exploration by fish tested with their tankmates, and less exploration by fish tested in isolation. Additionally, the effects of ethanol on diving behavior were modulated by social groups during both housing and testing. We conclude that social variables likely contribute to the variability of behavior often observed in pharmacological research with zebrafish, and that additional effort should be directed to both standardization and further characterization of these variables.
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Affiliation(s)
- Rachel Alef
- University of San Diego, 5998 Alcala Park, San Diego, CA 92110, USA.
| | - R E Blaser
- University of San Diego, 5998 Alcala Park, San Diego, CA 92110, USA.
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7
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Akinrinade ID, Varela SAM, Oliveira RF. Sex differences in social buffering and social contagion of alarm responses in zebrafish. Anim Cogn 2023:10.1007/s10071-023-01779-w. [PMID: 37184741 DOI: 10.1007/s10071-023-01779-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/18/2023] [Accepted: 04/23/2023] [Indexed: 05/16/2023]
Abstract
The alarm substance in fish is a pheromone released by injured individuals after a predator attack. When detected by other fish, it triggers fear/defensive responses, such as freezing and erratic movement behaviours. Such responses can also help other fish in the shoal to modulate their own behaviours: decreasing a fear response if conspecifics have not detected the alarm substance (social buffering) or triggering a fear response if conspecifics detected the alarm substance (social contagion). Response variation to these social phenomena is likely to depend on sex. Because males have higher-risk life-history strategies than females, they may respond more to social buffering where they risk not responding to a real predator attack, while females should respond more to social contagion because they only risk responding to a false alarm. Using zebrafish, we explored how the response of males and females to the presence/absence of the alarm substance is modified by the alarmed/unalarmed behaviour of an adjacent shoal of conspecifics. We found that, in social buffering, males decreased freezing more than females as expected, but in social contagion males also responded more than females by freezing at a higher intensity. Males were, therefore, more sensitive to visual information, while females responded more to the alarm substance itself. Because visual information updates faster than chemical information, males took more risks but potentially more benefits as well, because a quicker adjustment of a fear response allows to save energy to other activities. These sex differences provide insight into the modifying effect of life-history strategies on the use of social information.
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Affiliation(s)
- Ibukun D Akinrinade
- IGC-Instituto Gulbenkian de Ciência, Rua Quinta Grande 6, Oeiras, Portugal
- HBI-Hotchkiss Brain Institute, Cummings School of Medicine, University of Calgary, Alberta, Canada
| | - Susana A M Varela
- IGC-Instituto Gulbenkian de Ciência, Rua Quinta Grande 6, Oeiras, Portugal
- WJCR-William James Center for Research, ISPA-Instituto Universitário, Lisbon, Portugal
| | - Rui F Oliveira
- IGC-Instituto Gulbenkian de Ciência, Rua Quinta Grande 6, Oeiras, Portugal.
- ISPA-Instituto Universitário, Lisbon, Portugal.
- Champalimaud Neuroscience Programme, Champalimaud Centre for the Unknown, Lisbon, Portugal.
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8
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Sartori BM, Moreira Júnior RE, Paiva IM, Moraes IB, Murgas LDS, Brunialti-Godard AL. Acute ethanol exposure leads to long-term effects on memory, behavior, and transcriptional regulation in the zebrafish brain. Behav Brain Res 2023; 444:114352. [PMID: 36842314 DOI: 10.1016/j.bbr.2023.114352] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 02/02/2023] [Accepted: 02/15/2023] [Indexed: 02/27/2023]
Abstract
Alcohol consumption is associated with alterations in memory and learning processes in humans and animals. In this context, research models such as the zebrafish (Danio rerio) arise as key organisms in behavioral and molecular studies that attempt to clarify alterations in the Central Nervous System (CNS), like those related to alcohol use. Accordingly, we used the zebrafish as a model to evaluate the effects of ethanol on the learning and memory process, as well as its relationship with behavior and transcriptional regulation of lrfn2, lrrk2, grin1a, and bdnf genes in the brain. To this end, for the memory and learning evaluation, we conducted the Novel Object Recognition test (NOR); for behavior, the Novel Tank test; and for gene transcription, qPCR, after 2 h, 24 h, and 8 days of ethanol exposure. As a result, we noticed in the NOR that after 8 days of ethanol exposure, the control group spent more time exploring the novel object than when compared to 2 h post-exposure, indicating that naturally zebrafish remember familiar objects. In animals in the Treatment group, however, no object recognition behavior was observed, suggesting that alcohol affected the learning and memory processes of the animals and stimulated an anxiolytic effect in them. Regarding transcriptional regulation, 24 h after alcohol exposure, we found hyper-regulation of bdnf and, after 8 days, a hypo-regulation of lrfn2 and lrrk2. To conclude, we demonstrated that ethanol exposure may have influenced learning ability and memory formation in zebrafish, as well as behavior and regulation of gene transcription. These data are relevant for further understanding the application of zebrafish in research associated with ethanol consumption and behavior.
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Affiliation(s)
- Barbara Miranda Sartori
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Renato Elias Moreira Júnior
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Isadora Marques Paiva
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil; Centro de Pesquisas em Doenças Inflamatórias (CRID), Faculdade de Medicina de Ribeirão Preto, Departamento de Farmacologia, Universidade de São Paulo (FMRP), Ribeirão Preto, Brazil
| | - Izabela Barbosa Moraes
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil; Centro das Ciências Biológicas e da Saúde, Universidade Federal do Oeste da Bahia (UFOB), Barreiras, Brazil
| | - Luis David Solis Murgas
- Biotério Central, Departamento de Medicina Veterinária, Universidade Federal de Lavras (UFLA), Lavras, Brazil
| | - Ana Lúcia Brunialti-Godard
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
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9
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Examining behavioural test sensitivity and locomotor proxies of anxiety-like behaviour in zebrafish. Sci Rep 2023; 13:3768. [PMID: 36882472 PMCID: PMC9992706 DOI: 10.1038/s41598-023-29668-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/08/2023] [Indexed: 03/09/2023] Open
Abstract
This study assessed the sensitivity of four anxiety-like behaviour paradigms in zebrafish: the novel tank dive test, shoaling test, light/dark test, and the less common shoal with novel object test. A second goal was to measure the extent to which the main effect measures are related to locomotor behaviours to determine whether swimming velocity and freezing (immobility) are indicative of anxiety-like behaviour. Using the well-established anxiolytic, chlordiazepoxide, we found the novel tank dive to be most sensitive followed by the shoaling test. The light/dark test and shoaling plus novel object test were the least sensitive. A principal component analysis and a correlational analysis also showed the locomotor variables, velocity and immobility, did not predict the anxiety-like behaviours across all behaviour tests.
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10
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Zakaria F, Akhtar MT, Wan Norhamidah WI, Noraini AB, Muhamad A, Shohaimi S, Ahmad H, Ismail IS, Ismail NH, Shaari K. Centella asiatica (L.) Urb. Extract ameliorates branched-chain amino acid (BCAA) metabolism in acute reserpine-induced stress zebrafish model via 1H Nuclear Magnetic Resonance (NMR)-based metabolomics approach. Comp Biochem Physiol C Toxicol Pharmacol 2023; 264:109501. [PMID: 36336330 DOI: 10.1016/j.cbpc.2022.109501] [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: 06/10/2022] [Revised: 10/05/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022]
Abstract
Depression is a common mental disorder that can adversely affect psychosocial function and quality of life. However, the exact aetiology and pathogenesis of depression are still unclear. Stress plays a major role in the pathogenesis of depression. The use of currently prescribed antidepressants has many side effects. Centella asiatica (C. asiatica) has shown promising antidepressant activity in rodent models. Here, we developed a reserpine-induced zebrafish stress-like model and performed behavioural analysis, cortisol measurement and 1H-Nuclear Magnetic Resonance (1H NMR) spectroscopy-based metabolomics analysis to test the anti-stress activity of ethanolic extract of C. asiatica (RECA). A significant increase in total distance travelled (F(8,8) = 8.905, p = 0.0054) and a reduction in freezing duration (F(9, 9) = 10.38, p = 0.0018) were found in the open field test (OFT). Asiaticoside, one of tested C.asiatica's triterpenoid gives a significant increase in contact duration (F(5,5) = 142.3, (p = 0.0330) at 2.5 mg/kg). Eight biomarkers were found, i.e. ß-hydroxyisovaleric acid, leucine, threonine, scylloinositol, lactate, betaine, valine, choline and l-fucose, to be responsible for the class separation between stress and RECA-treated groups. Metabolic pathway alteration in zebrafish brain upon treatment with RECA was identified as valine, leucine and isoleucine biosynthesis, while alanine, aspartate, glutamate and glycerophospholipid metabolism was involved after fluoxetine treatment.
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Affiliation(s)
- Fauziahanim Zakaria
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia; Laboratory of Natural Medicines and Products (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
| | - Muhammad Tayyab Akhtar
- Laboratory of Natural Medicines and Products (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia; Institute of Industrial Biotechnology, Government College University, Lahore, Pakistan
| | - Wan Ibrahim Wan Norhamidah
- Laboratory of Natural Medicines and Products (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia; Faculty of Science, Biology Department, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
| | - Abu Bakar Noraini
- Faculty of Science, Biology Department, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Azira Muhamad
- National Institutes of Biotechnology Malaysia (NIBM), Malaysia Genome Institute, Bangi, Selangor, Malaysia.
| | - Shamarina Shohaimi
- Faculty of Science, Biology Department, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
| | - Hafandi Ahmad
- Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
| | - Intan Safinar Ismail
- Laboratory of Natural Medicines and Products (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
| | - Nor Hadiani Ismail
- Attar-Ur-Rahman Institute for Natural Products Discovery, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.
| | - Khozirah Shaari
- Laboratory of Natural Medicines and Products (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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Lactobacillus rhamnosus GG treatment potentiates ethanol-induced behavioral changes through modulation of intestinal epithelium in Danio rerio. INTERNATIONAL MICROBIOLOGY : THE OFFICIAL JOURNAL OF THE SPANISH SOCIETY FOR MICROBIOLOGY 2023:10.1007/s10123-022-00320-2. [PMID: 36656417 DOI: 10.1007/s10123-022-00320-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 12/28/2022] [Accepted: 12/30/2022] [Indexed: 01/20/2023]
Abstract
The gut-brain axis directly regulates the brain homeostatic environment; an imbalance in gut microbial composition following ethanol exposure is maleficent. In this context, involvement of probiotics as prophylactic intervention against ethanol-induced neurotoxicity is elusive in the literature. Therefore, the present study was aimed to determine the impact of chronic ethanol exposure on the neurobehavioral response of zebrafish and possible neuroprotection through co-supplementation of probiotic Lactobacillus rhamnosus GG (LGG). Zebrafish were divided into naive, control, ethanol (0.01% v/v), LGG, and ethanol co-supplemented with LGG groups. Neurobehavioral assessment was performed after 7 days of chronic waterborne exposure to ethanol with LGG co-supplementation followed by histopathological studies. The findings indicated that there was a clear alteration in locomotor activity and habitat preference, with animals preferentially migrating toward altered zones on exposure to ethanol. However, co-supplementation of LGG showed restoration against ethanol-induced neurobehavioral and cognitive dysfunction. Brain tissue pyknosis and intestinal epithelial disruption were significantly mitigated on LGG co-supplementation against ethanol in zebrafish. The present study provides a novel approach toward supplementation of probiotics such as LGG in modulation of gut commensal microbiota influencing zebrafish behavior. Moreover, the findings delineate the possible role of probiotics as a curative administration to counter ethanol-persuaded neurological outcomes.
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Gerlai R. Zebrafish (Danio rerio): A newcomer with great promise in behavioral neuroscience. Neurosci Biobehav Rev 2023; 144:104978. [PMID: 36442644 DOI: 10.1016/j.neubiorev.2022.104978] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
Behavioral neuroscience is an interdisciplinary field aimed at understanding the neurobiology of behavior. Numerous investigators turn to animals to model and understand the mechanisms underlying vertebrate brain function including human brain disorders, species that share evolutionary history with us. The zebrafish is a relatively new study species for such purposes. However, as this review attempts to demonstrate, it will likely have a good future in behavioral neuroscience. It is a simple vertebrate that is small and cheap to keep and study in the laboratory. Yet, it is similar enough to our own species, thus, we are able to use it for both translational as well as basic research. In this invited review, I will discuss its advantages and some of its disadvantages, the reasons and counterarguments why it should or should not be employed in research. I will focus on its utility in behavioral neuroscience, and will also provide a brief historical account of the evolution between zebrafish research and the science represented by the International Behavioral Neuroscience Society.
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Affiliation(s)
- Robert Gerlai
- Department of Psychology, Rm CCT4004, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.
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13
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Li Y, Wu F, Wu Q, Liu W, Li G, Yao B, Xiao R, Hu Y, Wang J. A novel open-source raspberry Pi-based behavioral testing in zebrafish. PLoS One 2022; 17:e0279550. [PMID: 36574388 PMCID: PMC9794099 DOI: 10.1371/journal.pone.0279550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 12/09/2022] [Indexed: 12/28/2022] Open
Abstract
The zebrafish (Danio rerio) is widely used as a promising high-throughput model organism in neurobehavioral research. The mobility of zebrafish can be dissected into multiple behavior endpoints to assess its neurobehavioral performance. However, such facilities on the market are expensive and clumsy to be used in laboratories. Here, we designed a low-cost, automatic zebrafish behavior assay apparatus, barely without unintentional human operational errors. The data acquisition part, composed of Raspberry Pi and HQ Camera, automatically performs video recording and data storage. Then, the data processing process is also on the Raspberry Pi. Water droplets and inner wall reflection of multi-well cell culture plates (used for placing zebrafish) will affect the accuracy of object recognition. And during the rapid movement of zebrafish, the probability of zebrafish tracking loss increased significantly. Thus, ROI region and related thresholds were set, and the Kalman filter algorithm was performed to estimate the best position of zebrafish in each frame. In addition, all functions of this device are realized by the custom-written behavior analysis algorithm, which makes the optimization of the setup more efficient. Furthermore, this setup was also used to analyze the behavioral changes of zebrafish under different concentrations of alcohol exposure to verify the reliability and accuracy. The alcohol exposure induced an inverted U-shape dose-dependent behavior change in zebrafish, which was consistent with previous studies, showcasing that the data obtained from the setup proposed in this study are accurate and reliable. Finally, the setup was comprehensively assessed by evaluating the accuracy of zebrafish detection (precision, recall, F-score), and predicting alcohol concentration by XGBoost. In conclusion, this study provides a simple, and low-cost package for the determination of multiple behavioral parameters of zebrafish with high accuracy, which could be easily adapted for various other fields.
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Affiliation(s)
- Yunlin Li
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Fengye Wu
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Qinyan Wu
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Wenya Liu
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Guanghui Li
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Benxing Yao
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Ran Xiao
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Yudie Hu
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Junsong Wang
- Center for Molecular Metabolism, School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
- * E-mail:
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14
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Kitson JE, Ord J, Watt PJ. Maternal Chronic Ethanol Exposure Decreases Stress Responses in Zebrafish Offspring. Biomolecules 2022; 12:biom12081143. [PMID: 36009037 PMCID: PMC9405564 DOI: 10.3390/biom12081143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/05/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
In humans, prenatal alcohol exposure can cause serious health issues in children, known collectively as Foetal Alcohol Spectrum Disorders (FASD). Despite the high prevalence of FASD and a lack of effective treatments, the underlying mechanisms causing the teratogenic action of ethanol are still obscure. The limitations of human studies necessitate the use of animal models for identifying the underlying processes, but few studies have investigated the effects of alcohol in the female germline. Here, we used the zebrafish Danio rerio to investigate the effects of chronic (repeated for seven days) exposure to alcohol. Specifically, we tested whether the offspring of females chronically exposed to ethanol during oogenesis exhibited hormonal abnormalities when subjected to a stressor (alarm cue) as larvae, and if they exhibited anxiety-like behaviours as adults. Exposure to alarm cue increased whole-body cortisol in control larvae but not in those of ethanol-treated females. Furthermore, adult offspring of ethanol-treated females showed some reduced anxiety-like behaviours. These findings suggest that the offspring of ethanol-treated females had reduced stress responses. This study is the first to investigate how maternal chronic ethanol exposure prior to fertilisation influences hormonal and behavioural effects in a non-rodent model.
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Affiliation(s)
- Juliet E. Kitson
- School of Biosciences, University of Sheffield, Sheffield S10 2TN, UK
| | - James Ord
- Centre for Fish and Wildlife Health, University of Bern, 3012 Bern, Switzerland
| | - Penelope J. Watt
- School of Biosciences, University of Sheffield, Sheffield S10 2TN, UK
- Correspondence:
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15
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Vossen LE, Brunberg R, Rådén P, Winberg S, Roman E. Sex-Specific Effects of Acute Ethanol Exposure on Locomotory Activity and Exploratory Behavior in Adult Zebrafish ( Danio rerio). Front Pharmacol 2022; 13:853936. [PMID: 35721152 PMCID: PMC9201571 DOI: 10.3389/fphar.2022.853936] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 05/03/2022] [Indexed: 11/23/2022] Open
Abstract
The zebrafish (Danio rerio) is an established model organism in pharmacology and biomedicine, including in research on alcohol use disorders and alcohol-related disease. In the past 2 decades, zebrafish has been used to study the complex effects of ethanol on the vertebrate brain and behavior in both acute, chronic and developmental exposure paradigms. Sex differences in the neurobehavioral response to ethanol are well documented for humans and rodents, yet no consensus has been reached for zebrafish. Here, we show for the first time that male zebrafish of the AB strain display more severe behavioral impairments than females for equal exposure concentrations. Adult zebrafish were immersed in 0, 1 or 2% (v/v) ethanol for 30 min, after which behavior was individually assessed in the zebrafish Multivariate Concentric Square Field™ (zMCSF) arena. Males exposed to 2% ethanol showed clear signs of sedation, including reduced activity, increased shelter seeking and reduced exploration of shallow zones. The 1% male group displayed effects in the same direction but of smaller magnitude; this group also explored the shallow areas less, but did not show a general reduction in activity nor an increase in shelter seeking. By contrast, 1 and 2% exposed females showed no alterations in explorative behavior. Females exposed to 2% ethanol did not display a general reduction in activity, rather activity gradually increased from hypoactivity to hyperactivity over the course of the test. This mixed stimulatory/depressant effect was only quantifiable when locomotory variables were analyzed over time and was not apparent from averages of the whole 30-min test, which may explain why previous studies failed to detect sex-specific effects on locomotion. Our results emphasize the importance of explicitly including sex and time as factors in pharmacological studies of zebrafish behavior. We hypothesize that the lower sensitivity of female zebrafish to ethanol may be explained by their greater body weight and associated larger distribution volume for ethanol, which may render lower brain ethanol concentrations in females.
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Affiliation(s)
- Laura E Vossen
- Division of Anatomy and Physiology, Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Ronja Brunberg
- Neuropharmacology, Addiction and Behavior, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Pontus Rådén
- Neuropharmacology, Addiction and Behavior, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Svante Winberg
- Behavioral Neuroendocrinology, Department of Neuroscience, Uppsala University, Uppsala, Sweden.,Behavioral Neuroendocrinology, Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Erika Roman
- Division of Anatomy and Physiology, Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden.,Neuropharmacology, Addiction and Behavior, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
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16
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Agues-Barbosa T, da Silva Junior FC, Gomes-de-Lima JN, Batistuzzo de Medeiros SR, Luchiari AC. Behavioral genetics of alcohol's effects in three zebrafish (Danio rerio) populations. Prog Neuropsychopharmacol Biol Psychiatry 2022; 114:110495. [PMID: 34915060 DOI: 10.1016/j.pnpbp.2021.110495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 12/03/2021] [Accepted: 12/09/2021] [Indexed: 10/19/2022]
Abstract
Alcohol abuse is one of the most dangerous and serious problems for patients and society. Interpopulation studies are important in understanding how genetic background contributes to the effects of alcohol. In this study, we applied a chronic alcohol exposure protocol in three zebrafish populations (Danio rerio; both sexes; AB, TU, and outbred fish - OB). We analyzed the behavioral responses and mRNA expression involved in neurotransmitter metabolism - th1, tph1, ache, ada1, gaba1, gad1b, and bdnf. Locomotion patterns were similar between populations (increased speed after acute alcohol and unaltered locomotion after chronic and withdrawal treatments). All populations exhibited increased expression of genes associated with locomotion (th1, gad1b, and gaba1) after acute alcohol exposure. Anxiety-like responses increased in AB and TU fish during withdrawal and decreased in AB fish after acute alcohol exposure. Genes related to anxiety-like behavior (tph1 and ada1) were overexpressed in AB and TU fish after acute and withdrawal treatments, while OB fish exhibited unaltered responses. Bdnf levels decreased during withdrawal in AB and OB fish, while TU showed upregulated levels in both chronic and withdrawal treatments. Our results suggest that zebrafish populations respond differently to alcohol exposure, which may contribute to understanding the mechanisms underlying alcohol use and dependence. Moreover, we found that a more diverse genetic background (OB) was related to higher variability in behavioral and mRNA expression, demonstrating that inbred populations (AB and TU) may be useful tools in identifying alcohol use and abuse mechanisms.
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Affiliation(s)
- Thais Agues-Barbosa
- Department of Physiology & Behavior, Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, Brazil
| | | | | | | | - Ana Carolina Luchiari
- Department of Physiology & Behavior, Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, Brazil.
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17
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Nathan FM, Kibat C, Goel T, Stewart J, Claridge‐Chang A, Mathuru AS. Contingent stimulus delivery assay for zebrafish reveals a role for CCSER1 in alcohol preference. Addict Biol 2022; 27:e13126. [PMID: 35229935 DOI: 10.1111/adb.13126] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/02/2021] [Accepted: 12/03/2021] [Indexed: 12/21/2022]
Abstract
Alcohol use disorders are complex, multifactorial phenomena with a large footprint within the global burden of diseases. Here, we report the development of an accessible, two-choice self-administration zebrafish assay (SAZA) to study the neurobiology of addiction. Using this assay, we first demonstrated that, although zebrafish avoid higher concentrations of alcohol, they are attracted to low concentrations. Pre-exposure to alcohol did not change this relative preference, but acute exposure to an alcohol deterrent approved for human use decreased alcohol self-administration. A pigment mutant used in whole-brain imaging studies displayed a similar relative alcohol preference profile; however, mutants in CCSER1, a gene associated with alcohol dependence in human genetic studies, showed a reversal in relative preference. The presence of a biphasic response (hormesis) in zebrafish validated a key aspect of vertebrate responses to alcohol. SAZA adds a new dimension for discovering novel alcohol deterrents and studying the neurogenetics of addiction using the zebrafish.
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Affiliation(s)
| | - Caroline Kibat
- Department of Physiology, YLL School of Medicine National University of Singapore Singapore Singapore
| | - Tanisha Goel
- Department of Physiology, YLL School of Medicine National University of Singapore Singapore Singapore
| | - James Stewart
- Institute of Molecular and Cell Biology Singapore Singapore
- Duke‐NUS Medical School Singapore Singapore
| | - Adam Claridge‐Chang
- Institute of Molecular and Cell Biology Singapore Singapore
- Duke‐NUS Medical School Singapore Singapore
| | - Ajay S. Mathuru
- Yale‐NUS College Singapore Singapore
- Department of Physiology, YLL School of Medicine National University of Singapore Singapore Singapore
- Institute of Molecular and Cell Biology Singapore Singapore
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18
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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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19
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Tang C, Zhu Y, Laziyan Y, Yang C, He C, Zuo Z. Long-term exposure to cyprodinil causes abnormal zebrafish aggressive and antipredator behavior through the hypothalamic-pituitary-interrenal axis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 241:106002. [PMID: 34717145 DOI: 10.1016/j.aquatox.2021.106002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 10/04/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
Cyprodinil, one of the main pyrimidinamine fungicides, has been used to control fungal diseases in plants and vegetables worldwide. Previous studies have investigated the influences of cyprodinil on the developmental and reproductive toxicity of fish. However, it remains unknown whether it affects fish behaviors and the underlying mechanisms. In our current study, zebrafish, an ideal model animal for behavioral studies, were exposed to cyprodinil from fertilization to 240 days postfertilization at 0.1 μg/L (environmentally relevant concentration) and 1, 10 μg/L. Firstly, we observed that aggressive behavior of zebrafish was significantly enhanced after exposure to 0.1-10 μg/L cyprodinil and antipredator behavior was decreased after exposure. Cyprodinil exposure altered the adrenocorticotropic hormone and cortisol levels, which regulate cortisol homeostasis and were significantly reduced in all exposure groups (0.1-10 μg/L). In addition, most of the key genes in the hypothalamic-pituitary-interrenal gland axis, such as corticotropin-releasing hormone and melanocortin 2 receptor, were downregulated significantly in all exposure groups, which was consistent with the hormone levels. In addition, in the hypothalamus, the number of apoptotic cells increased in a dose-dependent manner in the cyprodinil exposure groups. Moreover, these changes were potentially responsible for the increased aggression of zebrafish during the mirror-like aggressive test and for the reduced antipredator behavior during the predator avoidance test. Overall, the data provided herein further our understanding of cyprodinil toxicity and can be used to assess the ecological effects of cyprodinil on the induction of abnormal behaviors at the environmental level.
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Affiliation(s)
- Chen Tang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Yue Zhu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Yibimu Laziyan
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Chunyan Yang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Chengyong He
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Zhenghong Zuo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, Fujian 361005, China.
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20
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Clayman CL, Connaughton VP. Neurochemical and Behavioral Consequences of Ethanol and/or Caffeine Exposure: Effects in Zebrafish and Rodents. Curr Neuropharmacol 2021; 20:560-578. [PMID: 34766897 DOI: 10.2174/1570159x19666211111142027] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/31/2021] [Accepted: 09/17/2021] [Indexed: 11/22/2022] Open
Abstract
Zebrafish are increasingly being utilized to model the behavioral and neurochemical effects of pharmaceuticals and, more recently, pharmaceutical interactions. Zebrafish models of stress establish that both caffeine and ethanol influence anxiety, though few studies have implemented co-administration to assess the interaction of anxiety and reward-seeking. Caffeine exposure in zebrafish is teratogenic, causing developmental abnormalities in the cardiovascular, neuromuscular, and nervous systems of embryos and larvae. Ethanol is also a teratogen and, as an anxiolytic substance, may be able to offset the anxiogenic effects of caffeine. Co-exposure to caffeine and alcohol impacts neuroanatomy and behavior in adolescent animal models, suggesting stimulant substances may moderate the impact of alcohol on neural circuit development. Here, we review the literature describing neuropharmacological and behavioral consequences of caffeine and/or alcohol exposure in the zebrafish model, focusing on neurochemistry, locomotor effects, and behavioral assessments of stress/anxiety as reported in adolescent/juvenile and adult animals. The purpose of this review is twofold: (1) describe the work in zebrafish documenting the effects of ethanol and/or caffeine exposure and (2) compare these zebrafish studies with comparable experiments in rodents. We focus on specific neurochemical pathways (dopamine, serotonin, adenosine, GABA, adenosine), anxiety-type behaviors (assessed with novel tank, thigmotaxis, shoaling), and locomotor changes resulting from both individual and co-exposure. We compare findings in zebrafish with those in rodent models, revealing similarities across species and identifying conservation of mechanisms that potentially reinforce co-addiction.
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Affiliation(s)
- Carly L Clayman
- Department of Biology and Center for Neuroscience and Behavior American University, Washington, DC 20016, United States
| | - Victoria P Connaughton
- Department of Biology and Center for Neuroscience and Behavior American University, Washington, DC 20016, United States
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21
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Kloepper LN, Young VKH. Foundations of form and function: A synthesis-based curriculum for introductory-level organismal biology. Ecol Evol 2021; 11:15458-15467. [PMID: 34824767 PMCID: PMC8601921 DOI: 10.1002/ece3.8315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/14/2021] [Accepted: 10/22/2021] [Indexed: 11/13/2022] Open
Abstract
First-year majors organismal biology courses are frequently taught as survey courses that promote memorization rather than synthesis of biological concepts. To address the shortcomings of this approach, we redesigned the organismal portion of our introductory biology curriculum to create a "Foundations of Form and Function" course. Foundations of Form and Function introduces different organismal forms and focuses on the relationship between those forms and the execution of key physiological functions. Goals of our new course include the following: developing student recognition of common characteristics that unite living organisms as well as features that distinguish taxonomic groups, facilitating student understanding of how organisms accomplish similar functions through different forms, and reinforcing course themes with independent student research. In this paper, we describe course learning outcomes, organization, content, assessment, and laboratory activities. We also present student perspectives and outcomes of our course design based on data from four years of student evaluations. Finally, we explain how we modified our course to meet remote learning and social-distancing challenges presented by the COVID-19 pandemic in 2020 and 2021.
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22
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Vizuete AFK, Mussulini BH, Zenki KC, Baggio S, Pasqualotto A, Rosemberg DB, Bogo MR, de Oliveira DL, Rico EP. Prolonged ethanol exposure alters glutamate uptake leading to astrogliosis and neuroinflammation in adult zebrafish brain. Neurotoxicology 2021; 88:57-64. [PMID: 34728274 DOI: 10.1016/j.neuro.2021.10.014] [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: 06/01/2021] [Revised: 10/04/2021] [Accepted: 10/28/2021] [Indexed: 10/19/2022]
Abstract
High ethanol (EtOH) consumption is a serious condition that induces tremors, alcoholic psychosis, and delirium, being considered a public health problem worldwide. Prolonged EtOH exposure promotes neurodegeneration, affecting several neurotransmitter systems and transduction signaling pathways. Glutamate is the major excitatory amino acid in the central nervous system (CNS) and the extracellular glutamatergic tonus is controlled by glutamate transporters mostly located in astrocytes. Here, we explore the effects of prolonged EtOH exposure on the glutamatergic uptake system and its relationship with astroglial markers (GFAP and S100B), neuroinflammation (IL-1β and TNF-α), and brain derived neurotrophic factor (BDNF) levels in the CNS of adult zebrafish. Animals were exposed to 0.5% EtOH for 7, 14, and 28 days continuously. Glutamate uptake was significantly decreased after 7 and 14 days of EtOH exposure, returning to baseline levels after 28 days of exposure. No alterations were observed in crucial enzymatic activities linked to glutamate uptake, like Na,K-ATPase or glutamine synthetase. Prolonged EtOH exposure increased GFAP, S100B, and TNF-α levels after 14 days. Additionally, increased BDNF mRNA levels were observed after 14 and 28 days of EtOH exposure, while BDNF protein levels increased only after 28 days. Collectively, our data show markedly brain astroglial, neuroinflammatory and neurotrofic responses after an initial impairment of glutamate uptake following prolonged EtOH exposure. This neuroplasticity event could play a key role in the modulatory effect of EtOH on glutamate uptake after 28 days of continuous exposure.
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Affiliation(s)
- Adriana Fernanda Kuckartz Vizuete
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Ben Hur Mussulini
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Kamila Cagliari Zenki
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Suelen Baggio
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Amanda Pasqualotto
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil
| | - Denis Broock Rosemberg
- Programa de Pós-Graduação em Bioquímica Toxicológica, Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, RS, 97105-900, Santa Maria, RS, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Maurício Reis Bogo
- Programa de Pós-Graduação em Biologia Celular e Molecular, Laboratório de Neuroquímica e Psicofarmacologia, Pontifícia Universidade Católica do Rio Grande do Sul, Brazil
| | - Diogo Lösch de Oliveira
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600-Anexo, 90035-003, Porto Alegre, RS, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Eduardo Pacheco Rico
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Extreme Southern Catarinense (UNESC), Criciúma, SC, Brazil.
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23
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Mauro M, Lazzara V, Arizza V, Luparello C, Ferrantelli V, Cammilleri G, Inguglia L, Vazzana M. Human Drug Pollution in the Aquatic System: The Biochemical Responses of Danio rerio Adults. BIOLOGY 2021; 10:biology10101064. [PMID: 34681162 PMCID: PMC8533377 DOI: 10.3390/biology10101064] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/08/2021] [Accepted: 10/12/2021] [Indexed: 12/26/2022]
Abstract
Simple Summary The release of medicinal products for human use in the aquatic environment is now a serious problem, and can be fatal for the organisms that live there. Danio rerio is a freshwater fish that provides the possibility to study the effects of these pollutants on the health of aquatic organisms. The results of the various existing scientific studies are scarce and conflicting. Here, we review the scientific studies that have analyzed these effects, highlighting that the impacts of drugs are evident in the biochemical responses of these animals. Abstract To date, drug pollution in aquatic systems is an urgent issue, and Danio rerio is a model organism to study the toxicological effects of environmental pollutants. The scientific literature has analyzed the effect of human drug pollution on the biochemical responses in the tissues of D. rerio adults. However, the information is still scarce and conflicting, making it difficult to understand its real impact. The scientific studies are not consistent with each other and, until now, no one has grouped their results to create a baseline of knowledge of the possible impacts. In this review, the analysis of literature data highlights that the effects of drugs on adult zebrafishes depend on various factors, such as the tissue analyzed, the drug concentration and the sex of the individuals. Furthermore, the most influenced biochemical responses concern enzymes (e.g., antioxidants and hydrolase enzymes) and total protein and hormonal levels. Pinpointing the situation to date would improve the understanding of the chronic effects of human drug pollution, helping both to reduce it in the aquatic systems and then to draw up regulations to control this type of pollution.
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Affiliation(s)
- Manuela Mauro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90128 Palermo, Italy; (V.L.); (V.A.); (C.L.); (L.I.); (M.V.)
- Correspondence: (M.M.); (V.F.)
| | - Valentina Lazzara
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90128 Palermo, Italy; (V.L.); (V.A.); (C.L.); (L.I.); (M.V.)
| | - Vincenzo Arizza
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90128 Palermo, Italy; (V.L.); (V.A.); (C.L.); (L.I.); (M.V.)
| | - Claudio Luparello
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90128 Palermo, Italy; (V.L.); (V.A.); (C.L.); (L.I.); (M.V.)
| | - Vincenzo Ferrantelli
- Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, 90129 Palermo, Italy;
- Correspondence: (M.M.); (V.F.)
| | - Gaetano Cammilleri
- Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, 90129 Palermo, Italy;
| | - Luigi Inguglia
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90128 Palermo, Italy; (V.L.); (V.A.); (C.L.); (L.I.); (M.V.)
| | - Mirella Vazzana
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90128 Palermo, Italy; (V.L.); (V.A.); (C.L.); (L.I.); (M.V.)
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24
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Szaszkiewicz J, Leigh S, Hamilton TJ. Robust behavioural effects in response to acute, but not repeated, terpene administration in Zebrafish (Danio rerio). Sci Rep 2021; 11:19214. [PMID: 34584156 PMCID: PMC8478887 DOI: 10.1038/s41598-021-98768-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/13/2021] [Indexed: 11/15/2022] Open
Abstract
Terpenes are fragrant aromatic compounds produced by a variety of plants, most notably cannabis and hops. With increasing legalization of cannabis there is a need to better understand the behavioural effects of terpenes and ultimately their therapeutic value. Our study investigated the dose-dependent impact of three terpenes (limonene 0.25, 0.5, 0.75%; β-myrcene 0.001, 0.01, 0.1%; and 0.0001, 0.001, 0.00125% linalool) on zebrafish (Danio rerio) behaviour when exposed both acutely and repeatedly over a 7-day period. Anxiety-like behaviour, boldness, and locomotion were assessed using the open field test and the novel object approach test. In the acute dosing experiment, limonene and β-myrcene exposed groups demonstrated a significant decrease in locomotion, a decrease in anxiety-like behaviour, and an increase in boldness, while linalool treatment groups demonstrated only minor alterations in locomotion. Moreover, repeated exposure to limonene (0.39%) or β-myrcene (0.0083%) for a seven day period did not result in any significant behavioural effects. In conclusion, our study provides support for an anxiolytic and sedative effect in zebrafish in response to acute limonene and β-myrcene exposure that is no longer present after one week of repeated exposure.
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Affiliation(s)
- Joshua Szaszkiewicz
- Department of Psychology, MacEwan University, 6-366, 10700 - 104 Ave. NW, Edmonton, AB, T5J 4S2, Canada
| | - Shannon Leigh
- Department of Psychology, MacEwan University, 6-366, 10700 - 104 Ave. NW, Edmonton, AB, T5J 4S2, Canada
| | - Trevor J Hamilton
- Department of Psychology, MacEwan University, 6-366, 10700 - 104 Ave. NW, Edmonton, AB, T5J 4S2, Canada. .,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2H7, Canada.
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25
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Jorge S, Ferreira JM, Olsson IAS, Valentim AM. Adult Zebrafish Anesthesia: A Study of Efficacy and Behavioral Recovery of Different Anesthetics. Zebrafish 2021; 18:330-337. [PMID: 34314622 DOI: 10.1089/zeb.2021.0023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The use of proper anesthesia in zebrafish research is essential to ensure fish welfare and data reliability. However, anesthesia long-term side effects remain poorly understood. The purpose of this study was to assess anesthesia quality and recovery in adult zebrafish using different anesthetic protocols and to determine possible long-term effects on the fish activity and anxiety-like behaviors after anesthesia. Mixed-sex adult AB zebrafish were randomly assigned to five different groups (Control, 175 mg/L of tricaine methanesulfonate [MS222], 45 mg/L of clove oil, 2 mg/L of etomidate, and 5 mg/L of propofol combined with 150 mg/L of lidocaine) and placed in the respective anesthetic bath. Time to lose the equilibrium, response to touch and to caudal fin pinch stimuli, and recovery after anesthesia administration were evaluated. In addition, after stopping anesthesia, respiratory rate, activity, and anxiety-like behaviors in the novel tank test were studied. Overall, all protocols proved to be adequate for zebrafish anesthesia research as they showed full recovery at 1 h, and only etomidate had minor effects on fish behavior in the novel tank, a validated test for anxiety.
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Affiliation(s)
- Sara Jorge
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,Laboratory Animal Science, IBMC-Instituto de Biologia Molecular Celular, Universidade do Porto, Porto, Portugal.,Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Jorge M Ferreira
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,Laboratory Animal Science, IBMC-Instituto de Biologia Molecular Celular, Universidade do Porto, Porto, Portugal
| | - I Anna S Olsson
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,Laboratory Animal Science, IBMC-Instituto de Biologia Molecular Celular, Universidade do Porto, Porto, Portugal
| | - Ana M Valentim
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,Laboratory Animal Science, IBMC-Instituto de Biologia Molecular Celular, Universidade do Porto, Porto, Portugal
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26
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Ariyasiri K, Choi TI, Gerlai R, Kim CH. Acute ethanol induces behavioral changes and alters c-fos expression in specific brain regions, including the mammillary body, in zebrafish. Prog Neuropsychopharmacol Biol Psychiatry 2021; 109:110264. [PMID: 33545226 DOI: 10.1016/j.pnpbp.2021.110264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/14/2021] [Accepted: 01/24/2021] [Indexed: 10/22/2022]
Abstract
Ethanol is one of the most commonly abused substances in the world, and ethanol abuse and dependence disorders represent major societal problems. However, appropriate treatment is lacking as we still do not fully understand the molecular bases of these disorders. The zebrafish is one of the model organisms utilized for studying such mechanisms. In this study, we examined the effects of acute ethanol administration on the behavior of zebrafish, and we also analyzed correlated gene expression changes using whole-mount in situ hybridization focusing on a number of genes associated with different neurotransmitter systems, stress response, and neuronal activity. We found ethanol treatment to result in hyperactivity and reduced shoal cohesion compared to control. Analysis of c-fos expression demonstrated altered activity patterns in certain brain regions, including intense activation of the mammillary body in zebrafish with acute ethanol treatment. We also found reduced level of gad1b expression in the cerebellum of ethanol treated fish compared to control. However, we could not detect significant changes in the expression level of other genes, including vglut2b, th, crh, hdc, avp, pomc, and galn in ethanol treated fish compared controls. Our results suggest that zebrafish is a promising animal model for the study of mechanisms underlying alcohol induced behavioral changes and alcohol related human disorders.
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Affiliation(s)
- Krishan Ariyasiri
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea
| | - Tae-Ik Choi
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | - Cheol-Hee Kim
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea.
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27
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Formulation optimization, anesthetic activity, skin permeation, and transportation pathway of Alpinia galanga oil SNEDDS in zebrafish (Danio rerio). Eur J Pharm Biopharm 2021; 165:193-202. [PMID: 33979660 DOI: 10.1016/j.ejpb.2021.04.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 04/15/2021] [Accepted: 04/29/2021] [Indexed: 11/20/2022]
Abstract
Alpinia galanga oil (AGO) has an anesthetic activity but its water insoluble property limits its clinical applications. The aim of the present study was to develop a self-nanoemulsifying drug delivery system of AGO (SNEDDS-AGO) to avoid the use of organic solvent and investigate AGO transportation pathway and anesthetic activity. Three optimized formulations from a contour plots of droplet size; SNEDDS-AGO-1, SNEDDS-AGO-2, and SNEDDS-AGO-3, composed of AGO, Miglyol 812, Cremophor RH 40, Capmul MCM EP, and ethanol at the ratios of 40:10:35:10:5, 40:20:15:20:5, and 60:10:15:10:5, respectively were selected as they possessed different droplet size of 62 ± 0.5, 107 ± 2.8, and 207 ± 4.3 nm, respectively. It was found that the droplet size played an important role in fish anesthesia. SNEDDS-AGO-3 showed the longest anesthetic induction time (270 sec) (p < 0.03). Transportation pathway and skin permeation of SNEDDS-AGO-2 were investigated using nile red labelled AGO and detected by fluorescence microscope. AGO was found mostly in brain, gills, and skin suggesting that the transportation pathway of AGO in zebrafish is passing through the gills and skin to the brain. SNEDDS-AGO formulations showed significantly higher permeation through the skin than AGO ethanolic solution. In conclusion, SNEDDS is a promising delivery system of AGO.
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28
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Siregar P, Audira G, Feng LY, Lee JH, Santoso F, Yu WH, Lai YH, Li JH, Lin YT, Chen JR, Hsiao CD. Pharmaceutical Assessment Suggests Locomotion Hyperactivity in Zebrafish Triggered by Arecoline Might Be Associated with Multiple Muscarinic Acetylcholine Receptors Activation. Toxins (Basel) 2021; 13:toxins13040259. [PMID: 33916832 PMCID: PMC8066688 DOI: 10.3390/toxins13040259] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/21/2021] [Accepted: 04/01/2021] [Indexed: 12/02/2022] Open
Abstract
Arecoline is one of the nicotinic acid-based alkaloids, which is found in the betel nut. In addition to its function as a muscarinic agonist, arecoline exhibits several adverse effects, such as inducing growth retardation and causing developmental defects in animal embryos, including zebrafish, chicken, and mice. In this study, we aimed to study the potential adverse effects of waterborne arecoline exposure on zebrafish larvae locomotor activity and investigate the possible mechanism of the arecoline effects in zebrafish behavior. The zebrafish behavior analysis, together with molecular docking and the antagonist co-exposure experiment using muscarinic acetylcholine receptor antagonists were conducted. Zebrafish larvae aged 96 h post-fertilization (hpf) were exposed to different concentrations (0.001, 0.01, 0.1, and 1 ppm) of arecoline for 30 min and 24 h, respectively, to find out the effect of arecoline in different time exposures. Locomotor activities were measured and quantified at 120 hpf. The results showed that arecoline caused zebrafish larvae locomotor hyperactivities, even at a very low concentration. For the mechanistic study, we conducted a structure-based molecular docking simulation and antagonist co-exposure experiment to explore the potential interactions between arecoline and eight subtypes, namely, M1a, M2a, M2b, M3a, M3b, M4a, M5a, and M5b, of zebrafish endogenous muscarinic acetylcholine receptors (mAChRs). Arecoline was predicted to show a strong binding affinity to most of the subtypes. We also discovered that the locomotion hyperactivity phenotypes triggered by arecoline could be rescued by co-incubating it with M1 to M4 mAChR antagonists. Taken together, by a pharmacological approach, we demonstrated that arecoline functions as a highly potent hyperactivity-stimulating compound in zebrafish that is mediated by multiple muscarinic acetylcholine receptors.
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Affiliation(s)
- Petrus Siregar
- Department of Chemistry, Chung Yuan Christian University, Chung-Li, Taoyuan City 320314, Taiwan; (P.S.); (G.A.)
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taoyuan City 3020314, Taiwan;
| | - Gilbert Audira
- Department of Chemistry, Chung Yuan Christian University, Chung-Li, Taoyuan City 320314, Taiwan; (P.S.); (G.A.)
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taoyuan City 3020314, Taiwan;
| | - Ling-Yi Feng
- School of Pharmacy and Ph.D. Program in Toxicology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Substance and Behavior Addiction Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jia-Hau Lee
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (J.-H.L.); (W.-H.Y.)
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Fiorency Santoso
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taoyuan City 3020314, Taiwan;
| | - Wen-Hao Yu
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (J.-H.L.); (W.-H.Y.)
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan;
| | - Jih-Heng Li
- School of Pharmacy and Ph.D. Program in Toxicology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Substance and Behavior Addiction Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Correspondence: (J.-H.L.); (Y.-T.L.); (C.-D.H.)
| | - Ying-Ting Lin
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (J.-H.L.); (W.-H.Y.)
- Drug Development & Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Correspondence: (J.-H.L.); (Y.-T.L.); (C.-D.H.)
| | - Jung-Ren Chen
- Department of Biological Science & Technology, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan;
| | - Chung-Der Hsiao
- Department of Chemistry, Chung Yuan Christian University, Chung-Li, Taoyuan City 320314, Taiwan; (P.S.); (G.A.)
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taoyuan City 3020314, Taiwan;
- Correspondence: (J.-H.L.); (Y.-T.L.); (C.-D.H.)
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29
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Banu S, Srivastava S, Mohammed A, Kushawah G, Sowpati DT, Mishra RK. Tissue-specific transcriptome recovery on withdrawal from chronic alcohol exposure in zebrafish. Alcohol 2021; 91:29-38. [PMID: 33038458 DOI: 10.1016/j.alcohol.2020.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 12/16/2022]
Abstract
Alcohol consumption can lead to a wide range of systemic disorders brought about by transcriptional changes. Recent studies have documented altered behavior and physiology in zebrafish exposed to alcohol. In this work, we have identified the changes in the zebrafish transcriptome in response to chronic alcohol exposure. We have further followed the extent of transcriptional recovery upon withdrawal from alcohol and found evidence of tissue-specific responses. Our results indicate a greater extent of recovery of the brain transcriptome compared to the liver. We identify two distinct classes of genes in response to withdrawal from alcohol exposure - those that recover their pre-alcohol expression profile versus those that retain altered expression even after the fish are removed from the alcohol environment. Finally, we have examined gender-specific responses to alcohol exposure in zebrafish and find evidence for distinct alcohol tolerance levels. Upon chronic alcohol exposure, a higher percentage of genes show perturbation in expression profile in males compared to females. Female fish also recover better with more genes regaining the control expression level upon withdrawal from alcohol. Overall, our work identifies genes and pathways perturbed by exposure to alcohol, and demonstrates the extent of gender- and tissue-specific transcriptional changes associated with chronic alcoholism and withdrawal.
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30
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Dean R, Hurst Radke N, Velupillai N, Franczak BC, Hamilton TJ. Vision of conspecifics decreases the effectiveness of ethanol on zebrafish behaviour. PeerJ 2021; 9:e10566. [PMID: 33520441 PMCID: PMC7812928 DOI: 10.7717/peerj.10566] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 11/23/2020] [Indexed: 12/27/2022] Open
Abstract
Aquatic organisms in pharmacology and toxicology research are often exposed to compounds in isolation prior to physiological or behavioural testing. Recent evidence suggests that the presence of conspecifics during a stressful event can modulate behavioural outcomes (called 'social buffering') when testing occurs within the same context. It is unknown, however, whether the social environment during exposure interacts with the efficacy of anxiety-altering substances when subsequently tested in the absence of conspecifics. In this study, zebrafish were individually exposed to habitat water or ethanol (1.0% vol/vol) while untreated conspecifics were visually present or absent during dosing. Using the novel object approach test, a validated test of boldness and anxiety-like behaviour, we observed significantly greater effects of ethanol in isolated fish, compared to fish with a view of conspecifics during dosing. These results were not explained by altered locomotion during exposure, which might otherwise increase drug uptake. This highlights the need to consider the social environment during exposure when conducting and interpreting behavioural research involving drug or toxicant exposure.
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Affiliation(s)
- Rachel Dean
- Department of Psychology, MacEwan University, Edmonton, Alberta, Canada
| | | | - Nirudika Velupillai
- Department of Mathematics and Statistics, MacEwan University, Edmonton, Alberta, Canada
| | - Brian C Franczak
- Department of Mathematics and Statistics, MacEwan University, Edmonton, Alberta, Canada
| | - Trevor J Hamilton
- Department of Psychology, MacEwan University, Edmonton, Alberta, Canada.,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada
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31
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Davis R, Luchtenburg F, Richardson M, Schaaf M, Tudorache C, Slabbekoorn H. The importance of individual variation for the interpretation of behavioural studies: ethanol effects vary with basal activity level in zebrafish larvae. Psychopharmacology (Berl) 2021; 238:3155-3166. [PMID: 34510233 PMCID: PMC8605963 DOI: 10.1007/s00213-021-05932-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 07/08/2021] [Indexed: 11/29/2022]
Abstract
Standardization and reduction of variation is key to behavioural screening of animal models in toxicological and pharmacological studies. However, individual variation in behavioural and physiological phenotypes remains in each laboratory population and can undermine the understanding of toxicological and pharmaceutical effects and their underlying mechanisms. Here, we used zebrafish (ABTL-strain) larvae to explore individual consistency in activity level and emergence time, across subsequent days of early development (6-8 dpf). We also explored the correlation between these two behavioural parameters. We found inter-individual consistency over time in activity level and emergence time, but we did not find a consistent correlation between these parameters. Subsequently, we investigated the impact of variation in activity level on the effect of a 1% ethanol treatment, suitable for our proof-of-concept case study about whether impact from pharmacological treatments might be affected by inter-individual variation in basal locomotion. The inter-individual consistency over time in activity level did not persist in this test. This was due to the velocity change from before to after exposure, which turned out to be a dynamic individual trait related to basal activity level: low-activity individuals raised their swimming velocity, while high-activity individuals slowed down, yielding diametrically opposite response patterns to ethanol exposure. We therefore argue that inter-individual consistency in basal activity level, already from 6 dpf, is an important factor to take into account and provides a practical measure to improve the power of statistical analyses and the scope for data interpretation from behavioural screening studies.
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Affiliation(s)
- Raissa Davis
- Institute of Biology, Leiden University, Leiden, the Netherlands
| | | | | | - Marcel Schaaf
- Institute of Biology, Leiden University, Leiden, the Netherlands
| | | | - Hans Slabbekoorn
- Institute of Biology, Leiden University, Leiden, the Netherlands
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32
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Lai YH, Audira G, Liang ST, Siregar P, Suryanto ME, Lin HC, Villalobos O, Villaflores OB, Hao E, Lim KH, Hsiao CD. Duplicated dnmt3aa and dnmt3ab DNA Methyltransferase Genes Play Essential and Non-Overlapped Functions on Modulating Behavioral Control in Zebrafish. Genes (Basel) 2020; 11:genes11111322. [PMID: 33171840 PMCID: PMC7695179 DOI: 10.3390/genes11111322] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/02/2020] [Accepted: 11/04/2020] [Indexed: 12/22/2022] Open
Abstract
DNA methylation plays several roles in regulating neuronal proliferation, differentiation, and physiological functions. The major de novo methyltransferase, DNMT3, controls the DNA methylation pattern in neurons according to environmental stimulations and behavioral regulations. Previous studies demonstrated that knockout of Dnmt3 induced mouse anxiety; however, controversial results showed that activation of Dnmt3 causes anxiolytic behavior. Thus, an alternative animal model to clarify Dnmt3 on modulating behavior is crucial. Therefore, we aimed to establish a zebrafish (Danio rerio) model to clarify the function of dnmt3 on fish behavior by behavioral endpoint analyses. We evaluated the behaviors of the wild type, dnmt3aa, and dnmt3ab knockout (KO) fish by the novel tank, mirror biting, predator avoidance, social interaction, shoaling, circadian rhythm locomotor activity, color preference, and short-term memory tests. The results indicated that the dnmt3aa KO fish possessed abnormal exploratory behaviors and less fear response to the predator. On the other hand, dnmt3ab KO fish displayed less aggression, fear response to the predator, and interests to interact with their conspecifics, loosen shoaling formation, and dysregulated color preference index ranking. Furthermore, both knockout fishes showed higher locomotion activity during the night cycle, which is a sign of anxiety. However, changes in some neurotransmitter levels were observed in the mutant fishes. Lastly, whole-genome DNA methylation sequencing demonstrates a potential network of Dnmt3a proteins that is responsive to behavioral alterations. To sum up, the results suggested that the dnmt3aa KO or dnmt3ab KO fish display anxiety symptoms, which supported the idea that Dnmt3 modulates the function involved in emotional control, social interaction, and cognition.
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Affiliation(s)
- Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan;
| | - Gilbert Audira
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (G.A.); (P.S.)
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (S.-T.L.); (M.E.S.)
| | - Sung-Tzu Liang
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (S.-T.L.); (M.E.S.)
| | - Petrus Siregar
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (G.A.); (P.S.)
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (S.-T.L.); (M.E.S.)
| | - Michael Edbert Suryanto
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (S.-T.L.); (M.E.S.)
| | - Huan-Chau Lin
- Division of Hematology and Oncology, Department of Internal Medicine, Mackay Memorial Hospital, Number 92, Section 2, Chungshan North Road, Taipei 10449, Taiwan;
| | - Omar Villalobos
- Department of Pharmacy, Faculty of Pharmacy, University of Santo Tomas, Manila 1015, Philippines;
| | - Oliver B. Villaflores
- Department of Biochemistry, Faculty of Pharmacy, University of Santo Tomas, Manila 1015, Philippines;
| | - Erwei Hao
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
- Correspondence: (E.H.); (K.-H.L.); (C.-D.H.)
| | - Ken-Hong Lim
- Division of Hematology and Oncology, Department of Internal Medicine, Mackay Memorial Hospital, Number 92, Section 2, Chungshan North Road, Taipei 10449, Taiwan;
- Department of Medicine, MacKay Medical College, Sanzhi Dist., New Taipei City 252, Taiwan
- Correspondence: (E.H.); (K.-H.L.); (C.-D.H.)
| | - Chung-Der Hsiao
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (G.A.); (P.S.)
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (S.-T.L.); (M.E.S.)
- Center of Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Correspondence: (E.H.); (K.-H.L.); (C.-D.H.)
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33
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Thompson WA, Vijayan MM. Environmental levels of venlafaxine impact larval behavioural performance in fathead minnows. CHEMOSPHERE 2020; 259:127437. [PMID: 32593824 DOI: 10.1016/j.chemosphere.2020.127437] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 06/09/2020] [Accepted: 06/14/2020] [Indexed: 06/11/2023]
Abstract
Venlafaxine, a selective serotonin and norepinephrine reuptake inhibitor, is one of the most abundant antidepressants in municipal wastewater effluents (MWWE). The early life stages are particularly sensitive to contaminant exposure, but few studies have examined whether persistent exposure to venlafaxine impart adverse developmental outcomes. The fathead minnow (Pimephales promelas) is a widely used model for ecotoxicological studies, and this fish is native to Alberta, Canada. We tested the hypothesis that environmental levels of venlafaxine compromises early developmental behavioural performances in fathead minnows. Embryos were exposed to waterborne venlafaxine at either 0, 0.06, 0.33, 0.66, 1.37 or 3 μg L-1 concentration for 7 days. Environmental levels of venlafaxine did not impact the survival, hatch rate or heart rate of fathead minnow embryos and larvae but reduced the growth of larvae even at concentrations as low as 0.06 μg L-1. We validated thigmotaxis as a screen for anxiolytic and anxiogenic behaviour in fathead minnow larvae by exposing them to concentrations of ethanol and caffeine, respectively. Behavioural analyses revealed that early developmental exposure to venlafaxine does not alter thigmotaxis but reduced the activity of fathead minnows. The larval behavioural assays reported here for fathead minnow have the potential to be used as screening tools for the risk assessment of neurotoxic contaminants in MWWE. Overall, we demonstrate for the first time that exposure to environmental levels of venlafaxine during the critical early developmental window does not elicit an anxiogenic response but may adversely affect the larval growth performance of fathead minnows.
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Affiliation(s)
- W Andrew Thompson
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada
| | - Mathilakath M Vijayan
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada.
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Audira G, Siregar P, Chen JR, Lai YH, Huang JC, Hsiao CD. Systematical exploration of the common solvent toxicity at whole organism level by behavioral phenomics in adult zebrafish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115239. [PMID: 32795887 DOI: 10.1016/j.envpol.2020.115239] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/02/2020] [Accepted: 07/10/2020] [Indexed: 06/11/2023]
Abstract
Common solvents are frequently used as carriers to dissolve chemicals with a hydrophobic property that is extensively applied in the industrial and biomedical fields. In this study, we aimed to systematically study the sub-chronic effect of ten common solvents at low concentration exposure in adult zebrafish and perform neurobehavioral assessments for mechanistic exploration. After exposed to ten common solvents, including methanol, ethanol (EtOH), dimethyl sulfoxide (DMSO), isopropanol, acetone, polyethylene glycol-400 (PEG-400), glycerol, butanol, pentane, and tetrahydrofuran for continuous 10 day at 0.1% concentration level, adult zebrafish were subjected to perform a serial of behavioral tests, such as novel tank, mirror biting, predator avoidance, social interaction and shoaling. Later, 20 behavioral endpoints obtained from these five tests were transformed into a scoring matrix. Principal component analysis (PCA) and hierarchy clustering were performed to evaluate and compare the zebrafish behavior profiling. By using this phenomic approach, we were able to systematically evaluate the toxicity of the common solvents in zebrafish at a neurobehavioral level for the first time and found each common solvent-induced unique behavioral alteration to produce fingerprint-like patterns in hierarchy clustering and heatmap analysis. Among all tested common solvents, acetone and PEG-400 displayed better biocompatibility and less toxicity since they triggered less behavioral and biochemical alterations while methanol and DMSO caused severe behavior alterations in zebrafish after chronic exposure of these solvents. We conclude the behavioral phenomic approach conducted in this study providing a powerful tool to a systematical exploration of the common solvent toxicity at the whole organism level.
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Affiliation(s)
- Gilbert Audira
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, 320314, Taiwan; Department of Chemistry, Chung Yuan Christian University, Chung-Li, 320314, Taiwan
| | - Petrus Siregar
- Department of Chemistry, Chung Yuan Christian University, Chung-Li, 320314, Taiwan
| | - Jung-Ren Chen
- Department of Biological Science & Technology, College of Medicine, I-Shou University, Kaohsiung, 82445, Taiwan
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, 11114, Taipei, Taiwan
| | - Jong-Chin Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung, 900391, Taiwan
| | - Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, 320314, Taiwan; Department of Chemistry, Chung Yuan Christian University, Chung-Li, 320314, Taiwan; Center of Nanotechnology, Chung Yuan Christian University, Chung-Li, 320314, Taiwan.
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Araujo-Silva H, Leite-Ferreira ME, Luchiari AC. Behavioral Screening of Alcohol Effects and Individual Differences in Zebrafish (Danio rerio). Alcohol Alcohol 2020; 55:591-597. [PMID: 32533153 DOI: 10.1093/alcalc/agaa046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/24/2020] [Accepted: 04/28/2020] [Indexed: 01/08/2023] Open
Abstract
AIM To better understand the individual differences that make up a population, this study aimed to evaluate the effects of different alcoholic concentrations on the behavioral profiles of zebrafish (Danio rerio). METHODS For this purpose, adult animals were separated into two behavioral profiles: bold and shy, according to the emergence order. Bold and shy fish were individually tested for exploration after exposure to the drug. Acute exposure treatments were alcohol 0.00, 0.10, 0.25 and 0.50%. The behavioral parameters evaluated were speed while moving, maximum speed, total distance traveled and distance from the bottom of the tank. RESULTS For the groups that did not receive alcohol, bold animals showed higher speed while moving. Shy 0.00% and shy 0.10% had the highest maximum speed compared with other concentrations and profiles. For the distance from the bottom tank, our results showed that the increase induced by the low acute dose (0.10%) was observed for both profiles. CONCLUSIONS Our results corroborate with previous findings that alcohol affects the behavioral profiles of zebrafish differently, with bold animals apparently more resistant to these changes.
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Affiliation(s)
- Heloysa Araujo-Silva
- Department of Physiology and Behavior, Bioscience Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Maria Elisa Leite-Ferreira
- Department of Physiology and Behavior, Bioscience Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Ana Carolina Luchiari
- Department of Physiology and Behavior, Bioscience Center, Federal University of Rio Grande do Norte, Natal, Brazil
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Pierre C, Pradère N, Froc C, Ornelas-García P, Callebert J, Rétaux S. A mutation in monoamine oxidase (MAO) affects the evolution of stress behavior in the blind cavefish Astyanax mexicanus. J Exp Biol 2020; 223:jeb226092. [PMID: 32737213 DOI: 10.1242/jeb.226092] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 07/24/2020] [Indexed: 08/26/2023]
Abstract
The neurotransmitter serotonin controls a variety of physiological and behavioral processes. In humans, mutations affecting monoamine oxidase (MAO), the serotonin-degrading enzyme, are highly deleterious. Yet, blind cavefish of the species Astyanax mexicanus carry a partial loss-of-function mutation in MAO (P106L) and thrive in their subterranean environment. Here, we established four fish lines, corresponding to the blind cave-dwelling and the sighted river-dwelling morphs of this species, with or without the mutation, in order to decipher the exact contribution of mao P106L in the evolution of cavefish neurobehavioral traits. Unexpectedly, although mao P106L appeared to be an excellent candidate for the genetic determinism of the loss of aggressive and schooling behaviors in cavefish, we demonstrated that it was not the case. Similarly, the anatomical variations in monoaminergic systems observed between cavefish and surface fish brains were independent from mao P106L, and rather due to other, morph-dependent developmental processes. However, we found that mao P106L strongly affected anxiety-like behaviors. Cortisol measurements showed lower basal levels and an increased amplitude of stress response after a change of environment in fish carrying the mutation. Finally, we studied the distribution of the P106L mao allele in wild populations of cave and river A. mexicanus, and discovered that the mutant allele was present - and sometimes fixed - in all populations inhabiting caves of the Sierra de El Abra. The possibility that this partial loss-of-function mao allele evolves under a selective or a neutral regime in the particular cave environment is discussed.
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Affiliation(s)
- Constance Pierre
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Naomie Pradère
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Cynthia Froc
- Amatrace platform, Institut des Neurosciences Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Patricia Ornelas-García
- Departamento de Zoología, Instituto de Biología, Universidad Autónoma de México, CP 04510, Mexico City, Mexico
| | - Jacques Callebert
- Service Biochimie et Biologie Moléculaire, Hôpital Lariboisière, 75475 Paris, France
| | - Sylvie Rétaux
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91190, Gif-sur-Yvette, France
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37
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Preclinical methodological approaches investigating of the effects of alcohol on perinatal and adolescent neurodevelopment. Neurosci Biobehav Rev 2020; 116:436-451. [PMID: 32681938 DOI: 10.1016/j.neubiorev.2020.07.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 06/02/2020] [Accepted: 07/13/2020] [Indexed: 02/08/2023]
Abstract
Despite much evidence of its economic and social costs, alcohol use continues to increase. Much remains to be known as to the effects of alcohol on neurodevelopment across the lifespan and in both sexes. We provide a comprehensive overview of the methodological approaches to ethanol administration when using animal models (primarily rodent models) and their translational relevance, as well as some of the advantages and disadvantages of each approach. Special consideration is given to early developmental periods (prenatal through adolescence), as well as to the types of research questions that are best addressed by specific methodologies. The zebrafish is used increasingly in alcohol research, and how to use this model effectively as a preclinical model is reviewed as well.
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Paiva IM, de Carvalho LM, Di Chiaccio IM, Lima Assis ID, Naranjo ES, Bernabé MG, Ferreira FNA, Cayuela ML, Murgas LDS, Brunialti Godard AL. Inhibition of Lrrk2 reduces ethanol preference in a model of acute exposure in zebrafish. Prog Neuropsychopharmacol Biol Psychiatry 2020; 100:109885. [PMID: 32032698 DOI: 10.1016/j.pnpbp.2020.109885] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 12/28/2019] [Accepted: 02/03/2020] [Indexed: 11/28/2022]
Abstract
Due to its multifactorial and yet to be fully understood origin, ethanol addiction is a field that still requires studies for the elucidation of novel genes and pathways that potentially influence the establishment and maintenance of addiction-like phenotypes. In this context, the present study aimed to evaluate the role of the LRRK2 pathway in the modulation of ethanol preference behavior in Zebrafish (Danio rerio). Using the behavioral Conditioned Place Preference (CPP) paradigm, we accessed the preference of animals for ethanol. Next, we evaluated the transcriptional regulation of the gene lrrk2 and the receptors drd1, drd2, grin1a, gria2a, and gabbr1b in the zebrafish brain. Additionally, we used a selective inhibitor of Lrrk2 (GNE-0877) to assess the role of this gene in the preference behavior. Our results revealed four distinct ethanol preference phenotypes (Light, Heavy, Negative Reinforcement, and Inflexible), each showing different transcriptional regulation patterns of the drd1, drd2, grin1a, gria2a, and gabbr1b receptors. We showed that the lrrk2 gene was hyperregulated only in the brains of the animals with the Inflexible phenotype. Most importantly, we showed, for the first time in the context of preference for ethanol, that treatment with the GNE-0877 inhibitor modulates the transcription of the target receptor genes and reduces the preference for ethanol in the animals of the Inflexible group. This result corroborates the hypothesis that the LRRK2 pathway is involved in the inflexible preference for ethanol behavior. Lastly, we identified a possible pharmacological target for the treatment of abusive preference behavior for ethanol.
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Affiliation(s)
- Isadora Marques Paiva
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Luana Martins de Carvalho
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Isabela Martins Di Chiaccio
- Biotério Central, Departamento de Medicina Veterinária, Universidade Federal de Lavras (UFLA), Lavras, Brazil
| | - Isadora de Lima Assis
- Biotério Central, Departamento de Medicina Veterinária, Universidade Federal de Lavras (UFLA), Lavras, Brazil
| | - Elena Sánchez Naranjo
- Aging Cancer and Telomerase Laboratory, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, Murcia, Spain
| | - Manuel Garcia Bernabé
- Aging Cancer and Telomerase Laboratory, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, Murcia, Spain
| | - Felipe Norberto Alves Ferreira
- Laboratório de Nutrição Animal, Departamento de Medicina Veterinária, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Maria Luisa Cayuela
- Aging Cancer and Telomerase Laboratory, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, Murcia, Spain
| | - Luis David Solis Murgas
- Biotério Central, Departamento de Medicina Veterinária, Universidade Federal de Lavras (UFLA), Lavras, Brazil
| | - Ana Lúcia Brunialti Godard
- Laboratório de Genética Animal e Humana, Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.
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Behavioral plasticity and gene regulation in the brain during an intermittent ethanol exposure in adult zebrafish population. Pharmacol Biochem Behav 2020; 192:172909. [DOI: 10.1016/j.pbb.2020.172909] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 02/27/2020] [Accepted: 03/12/2020] [Indexed: 01/04/2023]
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Zhao Z, Li G, Xiao Q, Jiang HR, Tchivelekete GM, Shu X, Liu H. Quantification of the influence of drugs on zebrafish larvae swimming kinematics and energetics. PeerJ 2020; 8:e8374. [PMID: 31938582 PMCID: PMC6954687 DOI: 10.7717/peerj.8374] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 12/09/2019] [Indexed: 11/20/2022] Open
Abstract
The use of zebrafish larvae has aroused wide interest in the medical field for its potential role in the development of new therapies. The larvae grow extremely quickly and the embryos are nearly transparent which allows easy examination of its internal structures using fluorescent imaging techniques. Medical treatment of zebrafish larvae can directly influence its swimming behaviours. These behaviour changes are related to functional changes of central nervous system and transformations of the zebrafish body such as muscle mechanical power and force variation, which cannot be measured directly by pure experiment observation. To quantify the influence of drugs on zebrafish larvae swimming behaviours and energetics, we have developed a novel methodology to exploit intravital changes based on observed zebrafish locomotion. Specifically, by using an in-house MATLAB code to process the recorded live zebrafish swimming video, the kinematic locomotion equation of a 3D zebrafish larvae was obtained, and a customised Computational Fluid Dynamics tool was used to solve the fluid flow around the fish model which was geometrically the same as experimentally tested zebrafish. The developed methodology was firstly verified against experiment, and further applied to quantify the fish internal body force, torque and power consumption associated with a group of normal zebrafish larvae vs. those immersed in acetic acid and two neuroactive drugs. As indicated by our results, zebrafish larvae immersed in 0.01% acetic acid display approximately 30% higher hydrodynamic power and 10% higher cost of transport than control group. In addition, 500 μM diphenylhydantoin significantly decreases the locomotion activity for approximately 50% lower hydrodynamic power, whereas 100 mg/L yohimbine has not caused any significant influences on 5 dpf zebrafish larvae locomotion. The approach has potential to evaluate the influence of drugs on the aquatic animal’s behaviour changes and thus support the development of new analgesic and neuroactive drugs.
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Affiliation(s)
- Zhenkai Zhao
- Department of Naval Architecture, Ocean, and Marine Engineering, University of Strathclyde, Glasgow, UK
| | - Gen Li
- Department of Mathematical Science and Advanced Technology, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama-City, Japan
| | - Qing Xiao
- Department of Naval Architecture, Ocean, and Marine Engineering, University of Strathclyde, Glasgow, UK
| | - Hui-Rong Jiang
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | | | - Xinhua Shu
- Department of Biological and Biomedical Sciences, Glasgow Caledonian University, Glasgow, UK
| | - Hao Liu
- Graduate School of Engineering, Chiba University, Chiba, Japan
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Cholinergic system and exploratory behavior are changed after weekly-binge ethanol exposure in zebrafish. Pharmacol Biochem Behav 2019; 186:172790. [PMID: 31499145 DOI: 10.1016/j.pbb.2019.172790] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 12/28/2022]
Abstract
Binge drinking is characterized by excessive alcohol consumption in a short period of time and is associated with a poor quality of life. Zebrafish are commonly used to investigate neurochemical, behavioral, and genetic parameters associated with ethanol (EtOH) exposure. However, few studies have used zebrafish as a model to investigate binge EtOH exposure. In order to elucidate the potential neurobehavioral impairments evoked by binge EtOH exposure in zebrafish, animals were immersed in 1.4% EtOH for 30 min three consecutive times with intervals of one week. Neurobehavioral parameters were analyzed immediately following the third exposure, as well as 2 and 9 days later. Brain choline acetyltransferase (ChAT) and acetylcholinesterase (AChE) activities were reduced 9 days after the treatment. Thiobarbituric acid-reactive species and dichlorodihydrofluorescein levels were increased immediately after the treatment, but both returned to normal levels 2 days after the treatment. Catalase and glutathione reductase were impaired 2 and 9 days after the treatment. No alteration was observed in superoxide dismutase and glutathione peroxidase activities. EtOH treatment did not alter brain expression of inflammatory genes such as il-1β, il-10, and tnf-α. Zebrafish displayed anxiolytic-like behavior immediately after the last exposure, though there was no behavioral alteration observed 9 days after the treatment. Therefore, binge EtOH exposure in zebrafish leads to long lasting brain cholinergic alteration, probably related to oxidative stress immediately after the exposure, which is independent of classical inflammatory markers.
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Audira G, Sampurna BP, Juniardi S, Liang ST, Lai YH, Han L, Hsiao CD. Establishing simple image-based methods and a cost-effective instrument for toxicity assessment on circadian rhythm dysregulation in fish. Biol Open 2019; 8:bio.041871. [PMID: 31182629 PMCID: PMC6602318 DOI: 10.1242/bio.041871] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Analysis of circadian rhythm behavior alteration in fish for toxicity assessment usually requires expensive commercial equipment and laborious and complicated tweaking. Here, we report a simple setup that consists of a custom-made light box equipped with white and 940 nm light-emitting diode (LED) light strips as light sources, where the locomotion activities of zebrafish or catfish are captured using an infrared-sensitive coupled charged device (CCD). The whole setup was housed in a temperature-controlled incubator to isolate external noise and to maintain consistent experimental conditions. The video recording and light triggering were synchronized using Total Recorder, a recording scheduling software. By using the setup mentioned above and open source software such as ImageJ or idTracker, the locomotion activities of diurnal (e.g. zebrafish) and nocturnal (e.g. catfish) fish during day and night cycles can be quantitatively analyzed. We used simple image-based methods and a cost-effective instrument to assess the circadian rhythm of multiple fish species, as well as other parameters such as age, ambient temperature and chemical toxicology with high precision and reproducibility. In conclusion, the instrument setting and analysis methods established in this study provide a reliable and easy entry point for toxicity assessment on circadian rhythm dysregulation in fish. Summary: A cost-effective device and two methods to measure the circadian rhythm in diurnal and nocturnal fish, providing a reliable entry point for toxicity assessment on circadian rhythm dysregulation in fish.
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Affiliation(s)
- Gilbert Audira
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 32023, Taiwan.,Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan
| | | | - Stevhen Juniardi
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan
| | - Sung-Tzu Liang
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan
| | - Liwen Han
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan City, Shandong, China
| | - Chung-Der Hsiao
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 32023, Taiwan .,Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.,Center of Nanotechnology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.,Center of Biomedical Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan
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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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Ariyasiri K, Choi TI, Kim OH, Hong TI, Gerlai R, Kim CH. Pharmacological (ethanol) and mutation (sam2 KO) induced impairment of novelty preference in zebrafish quantified using a new three-chamber social choice task. Prog Neuropsychopharmacol Biol Psychiatry 2019; 88:53-65. [PMID: 29958859 DOI: 10.1016/j.pnpbp.2018.06.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/06/2018] [Accepted: 06/19/2018] [Indexed: 01/08/2023]
Abstract
Social behavior is a fundamental aspect of our own species, a feature without which our society would not function. There are numerous human brain disorders associated with abnormal social behavior, among them are the autism spectrum disorders whose causal factors include a genetic component. Environmental factors, including drugs of abuse such as alcohol, also contribute to numerous abnormalities related to social behavior. Several such disorders have been modeled using laboratory animals. Perhaps one of the newest among them is the zebrafish. However, the paucity of standardized behavioral assays specifically developed for the zebrafish have hindered progress. Here, we present a newly developed zebrafish behavioral paradigm, the three-chamber social choice task. This task, which was adapted from a murine model, assesses sociality and social novelty preference in zebrafish in three phases: habituation, phase-I to evaluate sociality, and phase-II to quantify social novelty preference. Test fish are placed in the middle chamber, while conspecifics are introduced to the flanking chambers during phase-I and II. Both male and female zebrafish displayed sociality (preference for conspecifics) during phase-I and social novelty preference (preference for unfamiliar conspecifics) during phase-II. We found the paradigm to be able to detect both environmentally (alcohol) as well as genetically (targeted knock out of sam2) induced alterations of behavioral phenotypes. Although ethanol-treated fish displayed similar levels of sociality to those of control (not alcohol exposed) male and female zebrafish, they were found to exhibit significantly impaired social novelty preference, a finding compatible with altered motivational or perhaps mnemonic processes. Moreover, we found that knock out of sam2, previously shown to lead to emotional dysregulation, also disrupted social novelty preference, while leaving sociality relatively intact. We conclude that our novel behavioral paradigm is appropriate for the modeling and quantification of social behavior deficits in zebrafish.
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Affiliation(s)
- Krishan Ariyasiri
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea
| | - Tae-Ik Choi
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea
| | - Oc-Hee Kim
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea
| | - Ted Inpyo Hong
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea
| | - Robert Gerlai
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | - Cheol-Hee Kim
- Department of Biology, Chungnam National University, Daejeon 34134, South Korea.
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Qian L, Qi S, Cao F, Zhang J, Li C, Song M, Wang C. Effects of penthiopyrad on the development and behaviour of zebrafish in early-life stages. CHEMOSPHERE 2019; 214:184-194. [PMID: 30265925 DOI: 10.1016/j.chemosphere.2018.09.117] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 06/08/2023]
Abstract
The agricultural use of succinate dehydrogenase inhibitor (SDHI) fungicides has increased dramatically in the US and Europe. As the SDHI fungicides, boscalid, flutolanil and thifluzamide had been reported to induce a series of toxic effects on zebrafish. However, the toxic effects of penthiopyrad on zebrafish have not been reported yet. This study aimed to assess the acute toxicity of penthiopyrad to zebrafish in early-life stages and investigate behavioural response of larvae and the effects on lipid metabolism and pigmentation under sub-lethal exposure of penthiopyrad. Based on results of the acute toxicity tests of zebrafish embryo and larvae, penthiopyrad had an acute toxicity to early-life stages of zebrafish and induced a series of deformities during development. Based on the results of sub-lethal exposure for 8 days, penthiopyrad resulted in significant decreases in swimming velocity, acceleration speed, distance moved and inactive time of larvae at 0.3, 0.6 and 1.2 mg/L. Penthiopyrad induced the disorders of lipid metabolism via affecting fatty acid synthesis and β-oxidation, in accordance with remarkable changes in the content of triglycerides and cholesterol and the expression of key genes (hmgcrα, pparα1, srebf1, cyp51 and acca1) at 1.2 mg/L. In addition, the disorder of melanin synthesis and distribution was caused by penthiopyrad in larvae in accordance with changes in body colour and related gene expression at 8 dpe.
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Affiliation(s)
- Le Qian
- College of Sciences, China Agricultural University, Beijing, People's Republic of China
| | - Suzhen Qi
- Risk Assessment Laboratory for Bee Product Quality and Safety of Ministry of Agriculture, Institute of Agricultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, People's Republic of China
| | - Fangjie Cao
- College of Sciences, China Agricultural University, Beijing, People's Republic of China
| | - Jie Zhang
- College of Sciences, China Agricultural University, Beijing, People's Republic of China
| | - Changping Li
- Plant Protection Station, Beijing, People's Republic of China
| | - Min Song
- Institute of Agricultural Research, Taian, Shandong, People's Republic of China
| | - Chengju Wang
- College of Sciences, China Agricultural University, Beijing, People's Republic of China.
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Abstract
The measurement of multiple behavior endpoints in zebrafish can provide informative clues within neurobehavioral field. However, multiple behavior evaluations usually require complicated and costly instrumental settings. Here, we reported a versatile setting that applied ten acrylic tanks arranging into five vertical layers and two horizontal columns to perform multiple behavior assays simultaneously, such as the novel tank diving test, mirror-biting test, social interaction, shoaling, and predator escape assay. In total, ten behavioral performance were collected in a single video, and the XY coordination of fish locomotion can be tracked by using open source software of idTracker and ImageJ. We validated our setting by examining zebrafish behavioral changes after exposure to low dose ethanol (EtOH) for 96 h. Fish were observed staying longer time at bottom of the tank, less mirror biting interest, higher freezing time, less fear in predator test, and tight shoaling behaviors which indicated the anxiogenic effect was induced by low dosage exposure of EtOH in zebrafish. In conclusion, the setting in this study provided a simple, versatile and cost-effective way to assess multiple behavioral endpoints in zebrafish with high reliability and reproducibility for the first time.
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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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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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Jensen HM, Korbut R, Kania PW, Buchmann K. Cannabidiol effects on behaviour and immune gene expression in zebrafish (Danio rerio). PLoS One 2018; 13:e0200016. [PMID: 30063756 PMCID: PMC6067702 DOI: 10.1371/journal.pone.0200016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 06/18/2018] [Indexed: 12/30/2022] Open
Abstract
Various preparations and extracts of the plant Cannabis sativa (family cannabaceae) are used as herbal medicinal drugs against a series of disorders but the plant contains a wide series of pharmacologically active components which may confound evaluation of drug effects. In order to differentiate specific effects of the individual constituents on specific functions in the organism we advocate for controlled studies on specified constituents and their impact on the vertebrate organism. One of the dominating Cannabis constituents, delta(9)-tetrahydrocannabinol (THC), has previously been studied in depth whereas information on another main ingredient cannabidiol (CBD) is limited. We have performed a controlled study on CBD and its effect using an experimental zebrafish model. CDB treatment of zebrafish for 30 min affected mobility of the fish by decreasing swimming speed and swimming distance. In addition, out of 23 immune related genes studied it was shown that expression of two genes il1b and il17a/f2 were up-regulated and four genes, tgfba, ighm, cd4-1, and s100a10b were significantly down-regulated following CBD treatment. The study indicated that CBD affects motility and immunity of the vertebrate host.
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Affiliation(s)
- Hannah M. Jensen
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C., Denmark
- * E-mail:
| | - Rozalia Korbut
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C., Denmark
| | - Per W. Kania
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C., Denmark
| | - Kurt Buchmann
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C., Denmark
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Zhao L, Si J, Wei Y, Li S, Jiang Y, Zhou R, Liu B, Zhang H. Toxicity of porcelain-fused-to-metal substrate to zebrafish ( Danio rerio ) embryos and larvae. Life Sci 2018; 203:66-71. [DOI: 10.1016/j.lfs.2018.04.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 03/27/2018] [Accepted: 04/12/2018] [Indexed: 10/17/2022]
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