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Collier AD, Yasmin N, Karatayev O, Abdulai AR, Yu B, Fam M, Campbell S, Leibowitz SF. Embryonic ethanol exposure and optogenetic activation of hypocretin neurons stimulate similar behaviors early in life associated with later alcohol consumption. Sci Rep 2024; 14:3021. [PMID: 38321123 PMCID: PMC10847468 DOI: 10.1038/s41598-024-52465-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 01/18/2024] [Indexed: 02/08/2024] Open
Abstract
The initiation of alcohol use early in life is one of the strongest predictors of developing a future alcohol use disorder. Clinical studies have identified specific behaviors during early childhood that predict an increased risk for excess alcohol consumption later in life. These behaviors, including increased hyperactivity, anxiety, novelty-seeking, exploratory behavior, impulsivity, and alcohol-seeking, are similarly stimulated in children and adolescent offspring of mothers who drink alcohol during pregnancy. Here we tested larval zebrafish in addition to young pre-weanling rats and found this repertoire of early behaviors along with the overconsumption of alcohol during adolescence to be increased by embryonic ethanol exposure. With hypocretin/orexin (Hcrt) neurons known to be stimulated by ethanol and involved in mediating these alcohol-related behaviors, we tested their function in larval zebrafish and found optogenetic activation of Hcrt neurons to stimulate these same early alcohol-related behaviors and later alcohol intake, suggesting that these neurons have an important role in producing these behaviors. Together, these results show zebrafish to be an especially useful animal model for investigating the diverse neuronal systems mediating behavioral changes at young ages that are produced by embryonic ethanol exposure and predict an increased risk for developing alcohol use disorder.
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Affiliation(s)
- Adam D Collier
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Nushrat Yasmin
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Olga Karatayev
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Abdul R Abdulai
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Boyi Yu
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Milisia Fam
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Samantha Campbell
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA
| | - Sarah F Leibowitz
- Laboratory of Behavioral Neurobiology, The Rockefeller University, 1230 York Avenue, New York, NY, 10065, USA.
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2
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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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3
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Syed OA, Tsang B, Petranker R, Gerlai R. A perspective on psychedelic teratogenicity: the utility of zebrafish models. Trends Pharmacol Sci 2023; 44:664-673. [PMID: 37659901 DOI: 10.1016/j.tips.2023.08.001] [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: 06/26/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 09/04/2023]
Abstract
Psychedelic drugs have experienced an unprecedented surge in recreational use within the past few years. Among recreational users, the risks of psychedelic use by pregnant and breastfeeding women are severely understudied and there is little information on the potential teratogenic effects of these drugs. We provide an overview of the previous data on psychedelic teratogenicity from rodent studies and human surveys, discuss their limitations, and propose the utility of the zebrafish as a potential effective model for investigating psychedelic teratogenicity. Recent years have validated the use of zebrafish in the study of fetal exposure and developmental biology; we highlight these properties of the zebrafish for its suitability in psychedelic toxicity research.
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Affiliation(s)
- Omer A Syed
- Department of Biology, University of Toronto Mississauga, Ontario, Canada.
| | - Benjamin Tsang
- Department of Cell & Systems Biology, University of Toronto, Ontario, Canada.
| | - Rotem Petranker
- Department of Psychology, Neuroscience, and Behaviour, McMaster University, McMaster University, Ontario, Canada
| | - Robert Gerlai
- Department of Cell & Systems Biology, University of Toronto, Ontario, Canada; Department of Psychology, University of Toronto Mississauga, Ontario, Canada.
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Santos N, Picolo V, Domingues I, Perillo V, Villacis RAR, Grisolia CK, Oliveira M. Effects of environmental concentrations of caffeine on adult zebrafish behaviour: a short-term exposure scenario. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:63776-63787. [PMID: 37058238 PMCID: PMC10172215 DOI: 10.1007/s11356-023-26799-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 03/30/2023] [Indexed: 04/15/2023]
Abstract
Caffeine (CAF) has been considered an emerging environmental contaminant and its presence indicator of anthropogenic contamination. This study evaluated the effects of environmental concentrations of CAF (0, 0.5, 1.5, and 300 μg. L-1) on the behaviour of adult zebrafish (Danio rerio) after 7 days of exposure. The components of feeding, locomotion, boldness (new tank test), sociability (schooling test), and aggression (mirror test) were analysed. Growth rate and weight were investigated as complementary measures. CAF (0.5, 1.5, and 300 μg. L-1) reduced exploratory behaviour in zebrafish, increased feeding latency time (1.5, and 300 μg. L-1), and decreased growth rate and fish weight (300 μg. L-1). CAF also induced aggressive behaviour (0.5, 1.5, and 300 μg. L-1) and decreased appetence to the shoal (sociability) (0.5, and 1.5 μg. L-1). This study showed that low doses of CAF can induce behavioural effects in zebrafish that may have significant long-term impacts on vital ecological functions.
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Affiliation(s)
- Niedja Santos
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Victor Picolo
- Department of Physiological Sciences, Institute of Biological Sciences, University of Brasilia, University Campus Darcy Ribeiro, Brasilia, DF, 70910-900, Brazil
- Graduate Program in Molecular Pathology, Faculty of Health Sciences, University of Brasilia, University Campus Darcy Ribeiro, Brasilia, DF, 70910-900, Brazil
| | - Inês Domingues
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Vitória Perillo
- Laboratory of Toxicological Genetics, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, Distrito Federal, 70910-900, Brazil
| | - Rolando A R Villacis
- Laboratory of Toxicological Genetics, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, Distrito Federal, 70910-900, Brazil
| | - Cesar Koppe Grisolia
- Laboratory of Toxicological Genetics, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, Distrito Federal, 70910-900, Brazil
| | - Miguel Oliveira
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
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Agues-Barbosa T, de Souza AM, de Lima JNG, Luchiari AC. Long-term behavioral alterations following embryonic alcohol exposure in three zebrafish populations. Neurotoxicology 2023; 96:174-183. [PMID: 37120037 DOI: 10.1016/j.neuro.2023.04.009] [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: 01/18/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/01/2023]
Abstract
Fetal alcohol exposure may lead to a condition known as fetal alcohol spectrum disorder (FASD), which comprises a set of consequences, including cognitive and behavioral impairments. Although zebrafish has been applied as a reliable model for studying FASD, there is no approach to the disorder's ontogeny and population differences. Here, we evaluated the behavioral outcomes of AB, Outbred (OB), and Tübingen (TU) zebrafish populations embryonically exposed to alcohol throughout the development to the adult stage. We exposed 24hpf eggs to 0%, 0.5%, or 1.0% alcohol for 2h. Fish were let grow and locomotor and anxiety-like behaviors were tested in a novel tank at larval - 6dpf, juvenile - 45dpf, and adult- 90dpf stages. At 6dpf, both AB and OB treated with 1.0% alcohol showed hyperactivity, while 0.5% and 1.0% TU fish exhibited hypolocomotion. At 45dpf, AB and TU fish maintained the larval pattern of locomotion. At the adult stage - 90dpf, both AB and TU populations showed increased locomotor activity and anxiogenic responses, while the OB population did not show altered behavior. Our results show for the first time that zebrafish populations exhibit behavioral differences in response to embryonic alcohol exposure and that it varies along animals' ontogeny. AB fish showed the most consistent behavioral pattern through developmental stages, TU fish showed behavioral changes only in adulthood, and OB population showed high interindividual variability. These data reinforce that different populations of zebrafish are better adapted to translational studies, offering reliable results in contrast to domesticated OB populations obtained from farms, which exhibit more variable genomes.
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Affiliation(s)
- Thaís Agues-Barbosa
- Department of Physiology & Behavior, Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Augusto Monteiro de Souza
- Department of Cell Biology and Genetics, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | | | - Ana Carolina Luchiari
- Department of Physiology & Behavior, Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, Brazil.
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Przybysz KR, Spodnick MB, Johnson JM, Varlinskaya EI, Diaz MR. Moderate prenatal alcohol exposure produces sex-specific social impairments and attenuates prelimbic excitability and amygdala-cortex modulation of adult social behaviour. Addict Biol 2023; 28:e13252. [PMID: 36577734 PMCID: PMC10509785 DOI: 10.1111/adb.13252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/23/2022] [Accepted: 10/21/2022] [Indexed: 11/19/2022]
Abstract
Lifelong social impairments are common in individuals with prenatal alcohol exposure (PAE), and preclinical studies have identified gestational day (G)12 as a vulnerable timepoint for producing social deficits following binge-level PAE. While moderate (m)PAE also produces social impairments, the long-term neuroadaptations underlying them are poorly understood. Activity of the projection from the basolateral amygdala to the prelimbic cortex (BLA → PL) leads to social avoidance, and the PL is implicated in negative social behaviours, making each of these potential candidates for the neuroadaptations underlying mPAE-induced social impairments. To examine this, we first established that G12 mPAE produced sex-specific social impairments lasting into adulthood in Sprague-Dawley rats. We then chemogenetically inhibited the BLA → PL using clozapine N-oxide (CNO) during adult social testing. This revealed that CNO reduced social investigation in control males but had no effect on mPAE males or females of either exposure, indicating that mPAE attenuated the role of this projection in regulating male social behaviour and highlighting one potential mechanism by which mPAE affects male social behaviour more severely. Using whole-cell electrophysiology, we also examined mPAE-induced changes to PL pyramidal cell physiology and determined that mPAE reduced cell excitability, likely due to increased suppression by inhibitory interneurons. Overall, this work identified two mPAE-induced neuroadaptations that last into adulthood and that may underlie the sex-specific vulnerability to mPAE-induced social impairments. Future research is necessary to expand upon how these circuits modulate both normal and pathological social behaviours and to identify sex-specific mechanisms, leading to differential vulnerability in males and females.
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Affiliation(s)
- Kathryn R. Przybysz
- Developmental Exposure Alcohol Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Psychology, Center for Development and Behavioral Neuroscience, Binghamton University, Binghamton, NY, 13902, USA
| | - Mary B. Spodnick
- Developmental Exposure Alcohol Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Psychology, Center for Development and Behavioral Neuroscience, Binghamton University, Binghamton, NY, 13902, USA
| | - Julia M. Johnson
- Developmental Exposure Alcohol Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Psychology, Center for Development and Behavioral Neuroscience, Binghamton University, Binghamton, NY, 13902, USA
| | - Elena I. Varlinskaya
- Developmental Exposure Alcohol Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Psychology, Center for Development and Behavioral Neuroscience, Binghamton University, Binghamton, NY, 13902, USA
| | - Marvin R. Diaz
- Developmental Exposure Alcohol Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Psychology, Center for Development and Behavioral Neuroscience, Binghamton University, Binghamton, NY, 13902, USA
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de Abreu MS, Parker MO, Kalueff AV. The critical impact of sex on preclinical alcohol research - Insights from zebrafish. Front Neuroendocrinol 2022; 67:101014. [PMID: 35810841 DOI: 10.1016/j.yfrne.2022.101014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 05/31/2022] [Accepted: 06/29/2022] [Indexed: 11/27/2022]
Abstract
Sex is an important biological variable that is widely recognized in studies of alcohol-related effects. Complementing clinical and preclinical rodent research, the zebrafish (Danio rerio) is the second most used laboratory species, and a powerful model organism in biomedicine. Like clinical and rodent models, zebrafish demonstrate overt sex differences in alcohol-related responses. Collectively, this evidence shows that the zebrafish becomes a sensitive model species to further probe in-depth sex differences commonly reported in alcohol research.
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Affiliation(s)
- Murilo S de Abreu
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia.
| | - Matthew O Parker
- School of Pharmacy and Biomedical Science, University of Portsmouth, UK
| | - Allan V Kalueff
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia; Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Ural Federal University, Ekaterinburg, Russia; Neuroscience Program, Sirius University of Science and Technology, Sochi, Russia; Granov Scientific Research Center of Radiology and Surgical Technologies, St. Petersburg, Russia; Almazov National Medical Research Center, St. Petersburg, Russia; COBRAIN Center - Brain Research Excellence Center, M Heratsi Yerevan State Medical University, Yerevan, Armenia; Scientific Research Institute of Neuroscience and Medicine, Novosibirsk, Russia.
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Ji J, Huang J, Cao N, Hao X, Wu Y, Ma Y, An D, Pang S, Li X. Multiview behavior and neurotransmitter analysis of zebrafish dyskinesia induced by 6PPD and its metabolites. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156013. [PMID: 35588826 DOI: 10.1016/j.scitotenv.2022.156013] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 06/15/2023]
Abstract
The typical tire manufacturing additive 6PPD, its metabolites 6PPDQ and 4-Hydroxy should be monitored because of their ubiquitous presence in the environment and the high toxicity of 6PPDQ to coho salmon. The toxic effect of 6PPD and its metabolites have been revealed superficially, especially on behavioral characteristics. However, the behavioral indicators explored so far are relatively simple and the toxic causes are poorly understood. With this in mind, our work investigated the toxic effects of 6PPD, 6PPDQ and 4-Hydroxy on adult zebrafish penetratingly through machine vision, and the meandering, body angle, top time and 3D trajectory are used for the first time to show the abnormal behaviors induced by 6PPD and its metabolites. Moreover, neurotransmitter changes in the zebrafish brain were measured to explore the causes of abnormal behavior. The results showed that high-dose treatment of 6PPD reduced the velocity by 42.4% and decreased the time at the top of the tank by 91.0%, suggesting significant activity inhibition and anxiety. In addition, γ-aminobutyric acid and acetylcholine were significantly impacted by 6PPD, while dopamine exhibited a slight variation, which can explain the bradykinesia, unbalance and anxiety of zebrafish and presented similar symptoms as Huntingdon's disease. Our study explored new abnormal behaviors of zebrafish induced by 6PPD and its metabolites in detail, and the toxic causes were revealed for the first time by studying the changes of neurotransmitters, thus providing an important reference for further studies of the biological toxicity of 6PPD and its metabolites.
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Affiliation(s)
- Jiawen Ji
- College of Sciences, China Agricultural University, Beijing 100193, China
| | - Jinze Huang
- College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
| | - Niannian Cao
- College of Sciences, China Agricultural University, Beijing 100193, China
| | - Xianghong Hao
- College of Sciences, China Agricultural University, Beijing 100193, China
| | - Yanhua Wu
- College of Sciences, China Agricultural University, Beijing 100193, China
| | - Yongqiang Ma
- College of Sciences, China Agricultural University, Beijing 100193, China.
| | - Dong An
- College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
| | - Sen Pang
- College of Sciences, China Agricultural University, Beijing 100193, China
| | - Xuefeng Li
- College of Sciences, China Agricultural University, Beijing 100193, China
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Cardiotoxicity of Zebrafish Induced by 6-Benzylaminopurine Exposure and Its Mechanism. Int J Mol Sci 2022; 23:ijms23158438. [PMID: 35955574 PMCID: PMC9369308 DOI: 10.3390/ijms23158438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/15/2022] [Accepted: 07/27/2022] [Indexed: 02/04/2023] Open
Abstract
6-BA is a common plant growth regulator, but its safety has not been conclusive. The heart is one of the most important organs of living organisms, and the cardiogenesis process of zebrafish is similar to that of humans. Therefore, based on wild-type and transgenic zebrafish, we explored the development of zebrafish heart under 6-BA exposure and its mechanism. We found that 6-BA affected larval cardiogenesis, inducing defective expression of key genes for cardiac development (myl7, vmhc, and myh6) and AVC differentiation (bmp4, tbx2b, and notch1b), ultimately leading to weakened cardiac function (heart rate, diastolic speed, systolic speed). Acridine orange staining showed that the degree of apoptosis in zebrafish hearts was significantly increased under 6-BA, and the expression of cell-cycle-related genes was also changed. In addition, HPA axis assays revealed abnormally expressed mRNA levels of genes and significantly increased cortisol contents, which was also consistent with the observed anxiety behavior in zebrafish at 3 dpf. Transcriptional abnormalities of pro- and anti-inflammatory factors in immune signaling pathways were also detected in qPCR experiments. Collectively, we found that 6-BA induced cardiotoxicity in zebrafish, which may be related to altered HPA axis activity and the onset of inflammatory responses under 6-BA treatment.
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Tamagno WA, Santini W, Alves C, Vanin AP, Pompermaier A, Bilibio D, Sutorillo NT, Kaizer RR, Barcellos LJG. Neuroprotective and antioxidant effects of pitaya fruit on Cu‐induced stress in adult zebrafish. J Food Biochem 2022; 46:e14147. [DOI: 10.1111/jfbc.14147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/08/2022] [Accepted: 03/10/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Wagner Antonio Tamagno
- Biochemistry and Molecular Biology Laboratory of the Federal Institute of Education, Science, and Technology of Rio Grande do Sul – Sertão Campus Sertão Brazil
- Graduate Program in Pharmacology Universidade Federal de Santa Maria Santa Maria Brazil
| | - Wallace Santini
- Biochemistry and Molecular Biology Laboratory of the Federal Institute of Education, Science, and Technology of Rio Grande do Sul – Sertão Campus Sertão Brazil
| | - Carla Alves
- Biochemistry and Molecular Biology Laboratory of the Federal Institute of Education, Science, and Technology of Rio Grande do Sul – Sertão Campus Sertão Brazil
- Graduate Program in Bioexperimentation Universidade de Passo Fundo Passo Fundo Brazil
- Graduate Program in Environmental Science Universidade de Passo Fundo Passo Fundo Brazil
| | - Ana Paula Vanin
- Graduate Program in Environmental Science and Technology Federal University of Fronteira Sul (UFFS) – Erechim Campus Erechim Brazil
| | - Aline Pompermaier
- Graduate Program in Bioexperimentation Universidade de Passo Fundo Passo Fundo Brazil
- Graduate Program in Environmental Science Universidade de Passo Fundo Passo Fundo Brazil
| | - Denise Bilibio
- Biochemistry and Molecular Biology Laboratory of the Federal Institute of Education, Science, and Technology of Rio Grande do Sul – Sertão Campus Sertão Brazil
| | - Nathália Tafarel Sutorillo
- Biochemistry and Molecular Biology Laboratory of the Federal Institute of Education, Science, and Technology of Rio Grande do Sul – Sertão Campus Sertão Brazil
| | - Rosilene Rodrigues Kaizer
- Biochemistry and Molecular Biology Laboratory of the Federal Institute of Education, Science, and Technology of Rio Grande do Sul – Sertão Campus Sertão Brazil
- Graduate Program in Environmental Science and Technology Federal University of Fronteira Sul (UFFS) – Erechim Campus Erechim Brazil
| | - Leonardo José Gil Barcellos
- Graduate Program in Pharmacology Universidade Federal de Santa Maria Santa Maria Brazil
- Graduate Program in Bioexperimentation Universidade de Passo Fundo Passo Fundo Brazil
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11
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Age-dependent effects of embryonic ethanol exposure on anxiety-like behaviours in young zebrafish: A genotype comparison study. Pharmacol Biochem Behav 2022; 214:173342. [DOI: 10.1016/j.pbb.2022.173342] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/07/2022] [Accepted: 01/27/2022] [Indexed: 11/17/2022]
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12
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Cararo JH, Rico EP. Long-lasting implications of embryonic exposure to alcohol: Insights from zebrafish research. Dev Neurobiol 2021; 82:29-40. [PMID: 34687497 DOI: 10.1002/dneu.22855] [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: 05/07/2021] [Revised: 09/23/2021] [Accepted: 10/01/2021] [Indexed: 11/08/2022]
Abstract
The harmful consumption of ethanol is associated with significant health problems and social burdens. This drug activates a complex network of reward mechanisms and habit formation learning that is supposed to contribute to the consumption of increasingly high and frequent amounts, ultimately leading to addiction. In the context of fetal alcohol spectrum disorders, fetal alcohol syndrome (FAS) is a consequence of the harmful use of alcohol during pregnancy, which affects the embryonic development of the fetus. FAS can be easily reproduced in zebrafish by exposing the embryos to different concentrations of ethanol in water. In this regard, the aim of the present review is to discuss the late pathological implications in zebrafish exposed to ethanol at the embryonic stage, providing information in the context of human fetal alcoholic spectrum disorders. Experimental FAS in zebrafish is associated with impairments in the metabolic, morphological, neurochemical, behavioral, and cognitive domains. Many of the pathways that are affected by ethanol in zebrafish have at least one ortholog in humans, collaborating with the wider adoption of zebrafish in studies on alcohol disorders. In fact, zebrafish present validities required for the study of these conditions, which contributes to the use of this species in research, in addition to studies with rodents.
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Affiliation(s)
- José Henrique Cararo
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, Santa Catarina, Brazil
| | - Eduardo Pacheco Rico
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, Santa Catarina, Brazil
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13
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Chatterjee D, Mahabir S, Chatterjee D, Gerlai R. Lasting effects of mild embryonic ethanol exposure on voltage-gated ion channels in adult zebrafish brain. Prog Neuropsychopharmacol Biol Psychiatry 2021; 110:110327. [PMID: 33864849 DOI: 10.1016/j.pnpbp.2021.110327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 02/28/2021] [Accepted: 04/09/2021] [Indexed: 02/06/2023]
Abstract
The zebrafish is increasingly well utilized in alcohol research, particularly in modeling human fetal alcohol spectrum disorders (FASD). FASD results from alcohol reaching the developing fetus intra utero, a completely preventable yet prevalent and devastating life-long disorder. The hope with animal models, including the zebrafish, is to discover the mechanisms underlying this disease, which may aid treatment and diagnosis. In the past, we developed an embryonic alcohol exposure regimen that is aimed at mimicking the milder, and most prevalent, forms of FASD in zebrafish. We have found numerous lasting alterations in behavior, neurochemistry, neuronal markers and glial cell phenotypes in this zebrafish FASD model. Using the same model (2 h long bath immersion of 24 h post-fertilization old zebrafish eggs into 1% vol/vol ethanol), here we conduct a proof of concept analysis of voltage-gated cation channels, investigating potential embryonic alcohol induced changes in L-, T- and N- type Ca++ and the SCN1A Na+ channels using Western blot followed by immunohistochemical analysis of the same channels in the pallium and cerebellum of the zebrafish brain. We report significant reduction of expression in all four channel proteins using both methods. We conclude that reduced voltage-gated cation channel expression induced by short and low dose exposure to alcohol during embryonic development of zebrafish may contribute to the previously demonstrated lasting behavioral and neurobiological changes.
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Affiliation(s)
| | - Samantha Mahabir
- Department of Psychology, University of Toronto, Mississauga, Ontario, Canada
| | | | - Robert Gerlai
- Department of Psychology, University of Toronto, Mississauga, Ontario, Canada.
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14
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Pinheiro-da-Silva J, Agues-Barbosa T, Luchiari AC. Embryonic Exposure to Ethanol Increases Anxiety-Like Behavior in Fry Zebrafish. Alcohol Alcohol 2021; 55:581-590. [PMID: 32886092 DOI: 10.1093/alcalc/agaa087] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/16/2020] [Accepted: 07/31/2020] [Indexed: 12/18/2022] Open
Abstract
AIMS Fetal alcohol spectrum disorder (FASD) is an umbrella term to describe the effects of ethanol (Eth) exposure during embryonic development, including several conditions from malformation to cognitive deficits. Zebrafish (Danio rerio) are a translational model popularly applied in brain disorders and drug screening studies due to its genetic and physiology homology to humans added to its transparent eggs and fast development. In this study, we investigated how early ethanol exposure affects zebrafish behavior during the initial growth phase. METHODS Fish eggs were exposed to 0.0 (control), 0.25 and 0.5% ethanol at 24 h post-fertilization. Later, fry zebrafish (10 days old) were tested in a novel tank task and an inhibitory avoidance protocol to inquire about morphology and behavioral alterations. RESULTS Analysis of variance showed that ethanol doses of 0.25 and 0.5% do not cause morphological malformations and did not impair associative learning but increased anxiety-like behavior responses and lower exploratory behavior when compared to the control. CONCLUSION Our results demonstrate that one can detect behavioral abnormalities in the zebrafish induced by embryonic ethanol as early as 10 days post-fertilization and that alcohol increases anxious behavior during young development in zebrafish.
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Affiliation(s)
| | - Thais Agues-Barbosa
- Department of Physiology and Behavior, Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Ana Carolina Luchiari
- Department of Physiology and Behavior, Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, Brazil
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15
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Pinheiro‐da‐Silva J, Luchiari AC. Embryonic ethanol exposure on zebrafish early development. Brain Behav 2021; 11:e02062. [PMID: 33939334 PMCID: PMC8213935 DOI: 10.1002/brb3.2062] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/01/2020] [Accepted: 01/11/2021] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Embryonic exposure to ethanol leads to a condition of physical, behavioral, and cognitive deficiencies named fetal alcohol spectrum disorders (FASD). The most severe variations are in fetal alcohol syndrome (FAS), which is easier to diagnose and not studied in animal models. On the other side, the pFAS (partial fetal alcohol syndrome) includes cases of alcohol-related congenital disabilities and neurodevelopmental disorder with an inconclusive diagnosis. In recent years, the zebrafish has become a valuable model to study FASD and its variations. METHODS This study characterizes the zebrafish embryonic and larval development after low and moderate ethanol concentration exposure. Fish eggs were exposed to 0.0%, 0.25%, 0.5%, and 1.0% ethanol at 24 hr postfertilization, and embryonic development was observed every 8 hr up to 120 hpf. It evaluated movements, phenotypic abnormalities, hatching, cardiac function and heartbeat frequency, larvae length at 120 hpf, and the apoptotic cells' fluorescence stained with acridine orange. RESULTS Embryonic exposure to 0.5% and 1% ethanol presented reduced body size, decreased heartbeat rate, higher numbers of apoptotic cells, and hatching time differences. CONCLUSIONS Our results suggest any ethanol exposure during embryogenesis can be harmful and reinforces zebrafish as a suitable model for fetal alcohol spectrum disorders (FASD).
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Affiliation(s)
| | - Ana Carolina Luchiari
- Physiology and Behavior DepartmentFederal University of Rio Grande do NorteNatalBrazil
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16
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Schaidhauer FG, Caetano HA, da Silva GP, da Silva RS. Contributions of Zebrafish Studies on the Behavioural Consequences of Early Alcohol Exposure: A Systematic Review. Curr Neuropharmacol 2021; 20:579-593. [PMID: 33913405 DOI: 10.2174/1570159x19666210428114317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/17/2021] [Accepted: 04/22/2021] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND The consequences of mild to severe exposure to alcohol during brain development is still a matter of debate and scientific investigation. The long-term behavioural effects of ethanol exposure have been related to impaired social skills and cognition. Zebrafish have become a suitable animal model to investigate the effects of early ethanol exposure because it is very feasible to promote drug delivery during early development. OBJECTIVE The goal of the current report is to review existing behavioural studies addressing the impact of early alcohol exposure using zebrafish to determine whether these models resemble the behavioural effects of early alcohol exposure in humans. METHODS A comprehensive search of biomedical databases was performed using the operation order: "ZEBRAFISH AND BEHAV* AND (ETHANOL OR ALCOHOL)". The eligibility of studies was determined using the PICOS strategy, contemplating the population as zebrafish, intervention as exposure to ethanol, comparison with a non-exposed control animal, and outcomes as behavioural parameters. RESULTS The systematic search returned 29 scientific articles as eligible. The zebrafish is presented as a versatile animal model that is useful to study FASD short and long-term behaviour impairments, such as anxiety, impaired sociability, aggressiveness, learning problems, memory impairment, seizure susceptibility, sleep disorders, motivational problems, and addiction. CONCLUSION This systematic review serves to further promote the use of zebrafish as a model system to study the pathophysiological and behavioural consequences of early alcohol exposure.
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Affiliation(s)
- Flávia Gheller Schaidhauer
- Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Higor Arruda Caetano
- Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Guilherme Pietro da Silva
- Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rosane Souza da Silva
- Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
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17
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Nonnis S, Angiulli E, Maffioli E, Frabetti F, Negri A, Cioni C, Alleva E, Romeo V, Tedeschi G, Toni M. Acute environmental temperature variation affects brain protein expression, anxiety and explorative behaviour in adult zebrafish. Sci Rep 2021; 11:2521. [PMID: 33510219 PMCID: PMC7843641 DOI: 10.1038/s41598-021-81804-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 01/08/2021] [Indexed: 12/11/2022] Open
Abstract
This study investigated the effect of 4-d acute thermal treatments at 18 °C, 26 °C (control) and 34 °C on the nervous system of adult zebrafish (Danio rerio) using a multidisciplinary approach based on behavioural tests and brain proteomic analysis. The behavioural variations induced by thermal treatment were investigated using five different tests, the novel tank diving, light and dark preference, social preference, mirror biting, and Y-Maze tests, which are standard paradigms specifically tailored for zebrafish to assess their anxiety-like behaviour, boldness, social preference, aggressiveness, and explorative behaviour, respectively. Proteomic data revealed that several proteins involved in energy metabolism, messenger RNA translation, protein synthesis, folding and degradation, cytoskeleton organisation and synaptic vesiculation are regulated differently at extreme temperatures. The results showed that anxiety-like behaviours increase in zebrafish at 18 °C compared to those at 26 °C or 34 °C, whereas anxiety-related protein signalling pathways are downregulated. Moreover, treatments at both 18 °C and 34 °C affect the exploratory behaviour that appears not to be modulated by past experiences, suggesting the impairment of fish cognitive abilities. This study is the continuation of our previous work on the effect of 21-d chronic treatment at the same constant temperature level and will enable the comparison of acute and chronic treatment effects on the nervous system function in adult zebrafish.
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Affiliation(s)
- S Nonnis
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy.,CRC "Innovation for Well-Beeing and Environment" (I-WE), Università degli Studi di Milano, Milano, Italy
| | - E Angiulli
- Department of Biology and Biotechnology ''Charles Darwin", Sapienza University, Via Alfonso Borelli 50, 00161, Rome, Italy
| | - E Maffioli
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy. .,CIMAINA, Università degli Studi di Milano, Milano, Italy.
| | - F Frabetti
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - A Negri
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy.,CIMAINA, Università degli Studi di Milano, Milano, Italy
| | - C Cioni
- Department of Biology and Biotechnology ''Charles Darwin", Sapienza University, Via Alfonso Borelli 50, 00161, Rome, Italy
| | - E Alleva
- Center for Behavioural Sciences and Mental Health, IstitutoSuperiore di Sanità, Rome, Italy
| | - V Romeo
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy
| | - G Tedeschi
- Department of Veterinary Medicine, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy.,CRC "Innovation for Well-Beeing and Environment" (I-WE), Università degli Studi di Milano, Milano, Italy.,CIMAINA, Università degli Studi di Milano, Milano, Italy
| | - M Toni
- Department of Biology and Biotechnology ''Charles Darwin", Sapienza University, Via Alfonso Borelli 50, 00161, Rome, Italy.
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18
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Ogi A, Licitra R, Naef V, Marchese M, Fronte B, Gazzano A, Santorelli FM. Social Preference Tests in Zebrafish: A Systematic Review. Front Vet Sci 2021; 7:590057. [PMID: 33553276 PMCID: PMC7862119 DOI: 10.3389/fvets.2020.590057] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 12/24/2020] [Indexed: 12/13/2022] Open
Abstract
The use of animal models in biology research continues to be necessary for the development of new technologies and medicines, and therefore crucial for enhancing human and animal health. In this context, the need to ensure the compliance of research with the principles Replacement, Reduction and Refinement (the 3 Rs), which underpin the ethical and human approach to husbandry and experimental design, has become a central issue. The zebrafish (Danio rerio) is becoming a widely used model in the field of behavioral neuroscience. In particular, studying zebrafish social preference, by observing how an individual fish interacts with conspecifics, may offer insights into several neuropsychiatric and neurodevelopmental disorders. The main aim of this review is to summarize principal factors affecting zebrafish behavior during social preference tests. We identified three categories of social research using zebrafish: studies carried out in untreated wild-type zebrafish, in pharmacologically treated wild-type zebrafish, and in genetically engineered fish. We suggest guidelines for standardizing social preference testing in the zebrafish model. The main advances gleaned from zebrafish social behavior testing are discussed, together with the relevance of this method to scientific research, including the study of behavioral disorders in humans. The authors stress the importance of adopting an ethical approach that considers the welfare of animals involved in experimental procedures. Ensuring a high standard of animal welfare is not only good for the animals, but also enhances the quality of our science.
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Affiliation(s)
- Asahi Ogi
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy.,Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Rosario Licitra
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
| | - Valentina Naef
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
| | - Maria Marchese
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
| | | | - Angelo Gazzano
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Filippo M Santorelli
- Neurobiology and Molecular Medicine, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, Pisa, Italy
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Dos Santos TG, Mussulini BHM, Frangipani LA, de Oliveira DL. Differential impact of shorter and longer periods of environmental enrichment on adult zebrafish exploratory activity (Danio rerio) in the novel tank paradigm. Behav Processes 2020; 181:104278. [PMID: 33186621 DOI: 10.1016/j.beproc.2020.104278] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 11/01/2020] [Accepted: 11/01/2020] [Indexed: 01/27/2023]
Abstract
Several studies have used zebrafish to investigate the effects of environmental enrichment on behavior and physiology. However, to date there are no studies evaluating the behavioral responses, such as habituation and exploration, of enriched-housed zebrafish when they are submitted to novelty paradigms. The present work was, therefore, designed to evaluate the habituation and exploratory responses of zebrafish exposed to enriched- (EE) and non-enriched (NE) environments when they face novelty. Adult wild-type zebrafish were used. Three different enriched contexts were designed. In Context 1, zebrafish was exposed to enrichment during 7 days, which reduced their total distance traveled in novel tank and social preference tests in comparison to the non-enriched animals. In Context 2, animals were exposed to same enrichment during 14 days. EE exposure did not alter the behavioral responses of zebrafish compared to NE. In Context 3, fish were exposed to enrichment during 14 days, with changing the enriching elements at day 8. Similarly to Context 1, total distance traveled was reduced by EE exposure when compared to NE. Our results suggest a modulatory effect of EE on adult zebrafish locomotion that may be dependent on the time of exposure and on the physical structure of the enriched environment.
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Affiliation(s)
- Thainá Garbino Dos Santos
- Laboratory of Cellular Neurochemistry, Department of Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil.
| | - Ben Hur Marins Mussulini
- Laboratory of Cellular Neurochemistry, Department of Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil
| | - Luca Araujo Frangipani
- Laboratory of Cellular Neurochemistry, Department of Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil
| | - Diogo Losch de Oliveira
- Laboratory of Cellular Neurochemistry, Department of Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil.
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20
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Lutte AH, Majolo JH, Da Silva RS. Inhibition of ecto-5'-nucleotidase and adenosine deaminase is able to reverse long-term behavioural effects of early ethanol exposure in zebrafish (Danio rerio). Sci Rep 2020; 10:17809. [PMID: 33082435 PMCID: PMC7576130 DOI: 10.1038/s41598-020-74832-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 10/07/2020] [Indexed: 12/18/2022] Open
Abstract
The behavioural impacts of prenatal exposure to ethanol include a lower IQ, learning problems, anxiety and conduct disorders. Several components of the neurochemical network could contribute to the long-lasting effects of ethanol embryonic exposure. Adenosine is an important neuromodulator, that has been indicated to be affected by acute and chronic exposure to ethanol. Here, embryos of zebrafish exposed to 1% ethanol during the developmental stages of gastrula/segmentation or pharyngula exhibited anxiolytic effect, increased aggressiveness, and decreased social interaction. The exposure during pharyngula stage was able to affect all behavioural parameters analysed at 3 months-post fertilization (mpf), while the treatment during gastrula stage affected the anxiety and social interaction parameters. The aggressiveness was the only behavioural effect of early ethanol exposure that lasted to 12 mpf. The use of a specific inhibitor of adenosine production, the inhibitor of ecto-5′-nucleotidase (AMPCP/150 mg/kg), and the specific inhibitor of adenosine degradation, the inhibitor of adenosine deaminase, EHNA (100 mg/kg) did not affect the effects over anxiety. However, AMPCP at 3 mpf, but not EHNA, reversed aggressive parameters. AMPCP also recovered the social interaction parameter at 3 mpf in animals treated in both stages, while EHNA recovered this parameter just in those animals treated with ethanol during the gastrula stage. These results suggest that long-lasting behavioural effects of ethanol can be modulated by intervention on ecto-5′-nucleotidase and adenosine deaminase activities.
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Affiliation(s)
- Aline Haab Lutte
- Laboratório de Neuroquímica E Psicofarmacologia, Escola de Ciências da Saúde E da Vida, Pontifícia Universidade Católica Do Rio Grande Do Sul, Avenida Ipiranga, 6681, Porto Alegre, RS, 90619-900, Brazil
| | - Julia Huppes Majolo
- Laboratório de Neuroquímica E Psicofarmacologia, Escola de Ciências da Saúde E da Vida, Pontifícia Universidade Católica Do Rio Grande Do Sul, Avenida Ipiranga, 6681, Porto Alegre, RS, 90619-900, Brazil
| | - Rosane Souza Da Silva
- Laboratório de Neuroquímica E Psicofarmacologia, Escola de Ciências da Saúde E da Vida, Pontifícia Universidade Católica Do Rio Grande Do Sul, Avenida Ipiranga, 6681, Porto Alegre, RS, 90619-900, Brazil.
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21
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Qiu N, Xu C, Wang X, Hou M, Xia Z, Wang J. Chemicals Weaken Shoal Preference in the Rare Minnow Gobiocypris rarus. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:2018-2027. [PMID: 32681662 DOI: 10.1002/etc.4825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/15/2020] [Accepted: 07/15/2020] [Indexed: 06/11/2023]
Abstract
Fish behavioral responses are sensitive to chemicals in the water. We tested rare minnow tested for their shoal preference, and the shoal (school) factors including nutritional status, body size, and shoal (school) size that can make their preference most stable were measured. Then shoal preference was measured again while fish and shoal were subjected to a concentration gradient of chemicals (cadmium ion [Cd2+ ], tricaine methanesulfonate [MS222], and p-chloroaniline). The results showed that single rare minnow preferred shoals over blank control tanks. In addition, this preference was most stable when the shoal was well fed and contained 20 individuals 2 cm long. Although there was no significant response after exposure to p-chloroaniline, the time spent from entering the tank to start moving decreased greatly at concentrations of Cd2+ >3 mg/L and MS222 >11 mg/L. The time the test fish spent close to the shoal significantly decreased at Cd2+ >3 mg/L, MS222 >11 mg/L, and p-chloroaniline >10 mg/L, and the frequency of boundary line crossing increased at the same concentrations. The behavioral parameters changed by 20, 5, and 8 min once the lowest-observed-effect concentrations of Cd2+ , MS222, and p-chloroaniline, respectively, were added. Our study provides useful information on rare minnow shoal preference that may be used for a biological early warning system. Environ Toxicol Chem 2020;39:2018-2027. © 2020 SETAC.
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Affiliation(s)
- Ning Qiu
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Chunsen Xu
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xuzhen Wang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Miaomiao Hou
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- Dalian Ocean University, Dalian, Liaoning, China
| | - Zhijun Xia
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jianwei Wang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
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22
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Müller TE, Fontana BD, Bertoncello KT, Franscescon F, Mezzomo NJ, Canzian J, Stefanello FV, Parker MO, Gerlai R, Rosemberg DB. Understanding the neurobiological effects of drug abuse: Lessons from zebrafish models. Prog Neuropsychopharmacol Biol Psychiatry 2020; 100:109873. [PMID: 31981718 DOI: 10.1016/j.pnpbp.2020.109873] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 01/01/2023]
Abstract
Drug abuse and brain disorders related to drug comsumption are public health problems with harmful individual and social consequences. The identification of therapeutic targets and precise pharmacological treatments to these neuropsychiatric conditions associated with drug abuse are urgently needed. Understanding the link between neurobiological mechanisms and behavior is a key aspect of elucidating drug abuse-related targets. Due to various molecular, biochemical, pharmacological, and physiological features, the zebrafish (Danio rerio) has been considered a suitable vertebrate for modeling complex processes involved in drug abuse responses. In this review, we discuss how the zebrafish has been successfully used for modeling neurobehavioral phenotypes related to drug abuse and review the effects of opioids, cannabinoids, alcohol, nicotine, and psychedelic drugs on the central nervous system (CNS). Moreover, we summarize recent advances in zebrafish-based studies and outline potential advantages and limitations of the existing zebrafish models to explore the neurochemical bases of drug abuse and addiction. Finally, we discuss how the use of zebrafish models may present fruitful approaches to provide valuable clinically translatable data.
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Affiliation(s)
- Talise E Müller
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, 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.
| | - Barbara D Fontana
- Brain and Behaviour Laboratory, School of Pharmacy and Biomedical Sciences, University of Portsmouth, Old St Michael's Building, Portsmouth PO1 2DT, UK
| | - Kanandra T Bertoncello
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, 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
| | - Francini Franscescon
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, 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
| | - Nathana J Mezzomo
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, 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
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, 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, Center of Natural and Exact Sciences, 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, Old St Michael's Building, Portsmouth PO1 2DT, UK
| | - Robert Gerlai
- Department of Psychology, University of Toronto, Mississauga, Canada; Department of Cell and Systems Biology, University of Toronto, Canada
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, 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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23
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Facciol A, Bailleul C, Nguyen S, Chatterjee D, Gerlai R. Developmental stage-dependent deficits induced by embryonic ethanol exposure in zebrafish: A neurochemical analysis. Prog Neuropsychopharmacol Biol Psychiatry 2020; 99:109859. [PMID: 31917146 DOI: 10.1016/j.pnpbp.2020.109859] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/02/2020] [Accepted: 01/05/2020] [Indexed: 12/15/2022]
Abstract
FASD results from the developing fetus being exposed to alcohol, and is characterized by morphological, behavioural and cognitive deficits. However, the expression, severity and age of onset of these symptoms has been found to show variation. This variation may partly be due to the developmental stage at which alcohol reached the developing fetus. Previously, alcohol was shown to lead to significant concentration dependent behavioural as well as neurochemical changes detected in adult zebrafish when this substance was administered at 24 h post-fertilization (hpf) for 2 h. This alcohol exposure method arguably mimicked the milder, and more prevalent, forms of human FASD. However, whether the observed changes depended upon the developmental stage, i.e., the timing, of alcohol exposure has not been systematically analyzed. Here, we employ the same alcohol dosing regimen, where zebrafish eggs are immersed into 0% or 1% (vol/vol) alcohol for 2 h, but we perform the immersion at 5, 10, 16, 24, 36, or 48 hpf. We previously developed a sensitive HPLC method to quantify neurochemicals, and found levels of dopamine, serotonin and their metabolites DOPAC and 5-HIAA to be affected by embryonic alcohol treatment. Here, using the same method, we compare whole-brain levels of these neurochemicals in the embryonic alcohol exposed and control zebrafish at their age of 30 days post-fertilization (dpf). Consistent with previous reports, we found significant reduction of levels of dopamine, serotonin and their metabolites in the fish exposed to alcohol at 24 hpf. However, we also found significant dependency on the developmental stage at which alcohol was administered with particularly robust impairments when the exposure was at the early or middle of the developmental periods probed. Our results now demonstrate that one can detect functional abnormalities in the zebrafish brain induced by embryonic alcohol as early as 30 dpf and that the neurochemical deficits are dependent upon the developmental stage at which alcohol is administered.
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Affiliation(s)
- Amanda Facciol
- Department of Cell and Systems Biology, University of Toronto, Canada
| | - Celine Bailleul
- Department of Biology, University of Toronto Mississauga, Canada
| | - Samuel Nguyen
- Department of Biology, University of Toronto Mississauga, Canada
| | | | - Robert Gerlai
- Department of Cell and Systems Biology, University of Toronto, Canada; Department of Psychology, University of Toronto Mississauga, Canada.
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24
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Angiulli E, Pagliara V, Cioni C, Frabetti F, Pizzetti F, Alleva E, Toni M. Increase in environmental temperature affects exploratory behaviour, anxiety and social preference in Danio rerio. Sci Rep 2020; 10:5385. [PMID: 32214187 PMCID: PMC7096496 DOI: 10.1038/s41598-020-62331-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 03/12/2020] [Indexed: 01/18/2023] Open
Abstract
The aim of this work is to investigate the effect of a temperature increase on the behaviour of adult zebrafish (Danio rerio) maintained for 21 days at 34 °C (treatment) and 26 °C (control). The temperatures chosen are within the vital range of zebrafish and correspond to temperatures that this species encounters in the natural environment. Previous results showed that the same treatment affects the brain proteome and the behaviour of adult zebrafish by producing alterations in the proteins involved in neurotransmitter release and synaptic function and impairing fish exploratory behaviour. In this study, we have investigated the performance of treated and control zebrafish during environmental exploration by using four behavioural tests (novel tank diving, light and dark preference, social preference and mirror biting) that are paradigms for assessing the state of anxiety, boldness, social preference and aggressive behaviour, respectively. The results showed that heat treatment reduces anxiety and increases the boldness of zebrafish, which spent more time in potentially dangerous areas of the tank such as the top and the uncovered bright area and at a distance from the social group, thus decreasing protection for the zebrafish. These data suggest that the increase in ambient temperature may compromise zebrafish survival rate in the natural environment.
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Affiliation(s)
- E Angiulli
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University, Rome, Italy
| | - V Pagliara
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University, Rome, Italy
| | - C Cioni
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University, Rome, Italy
| | - F Frabetti
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - F Pizzetti
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - E Alleva
- Center for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - M Toni
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University, Rome, Italy.
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25
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Baggio S, Zenki K, Martins Silva A, Dos Santos TG, Rech G, Lazzarotto G, Dias RD, Mussulini BH, Rico EP, de Oliveira DL. Fetal alcohol spectrum disorders model alters the functionality of glutamatergic neurotransmission in adult zebrafish. Neurotoxicology 2020; 78:152-160. [PMID: 32173352 DOI: 10.1016/j.neuro.2020.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/06/2020] [Accepted: 03/06/2020] [Indexed: 01/21/2023]
Abstract
Fetal alcohol spectrum disorders (FASD) describe a wide range of ethanol-induced developmental disabilities, including craniofacial dysmorphology, and neurochemical and behavioral impairments. Zebrafish has become a popular animal model to evaluate the long-lasting effects of, both, severe and milder forms of FASD, including alterations to neurotransmission. Glutamate is one of the most affected neurotransmitter systems in ethanol-induced developmental disabilities. Therefore, the aim of the present study was to evaluate the functionality of the glutamatergic neurotransmitter system in an adult zebrafish FASD model. Zebrafish larvae (24 h post-fertilization) were exposed to ethanol (0.1 %, 0.25 %, 0.5 %, and 1%) for 2 h. After 4 months, the animals were euthanized and their brains were removed. The following variables were measured: glutamate uptake, glutamate binding, glutamine synthetase activity, Na+/K + ATPase activity, and high-resolution respirometry. Embryonic ethanol exposure reduced Na+-dependent glutamate uptake in the zebrafish brain. This reduction was positively modulated by ceftriaxone treatment, a beta-lactam antibiotic that promotes the expression of the glutamate transporter EAAT2. Moreover, the 0.5 % and 1% ethanol groups demonstrated reduced glutamate binding to brain membranes and decreased Na+/K + ATPase activity in adulthood. In addition, ethanol reduced glutamine synthetase activity in the 1% EtOH group. Embryonic ethanol exposure did not alter the immunocontent of the glutamate vesicular transporter VGLUT2 and the mitochondrial energetic metabolism of the brain in adulthood. Our results suggest that embryonic ethanol exposure may cause significant alterations in glutamatergic neurotransmission in the adult zebrafish brain.
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Affiliation(s)
- Suelen Baggio
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil.
| | - Kamila Zenki
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Alberto Martins Silva
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Thainá Garbino Dos Santos
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Giovana Rech
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Gabriela Lazzarotto
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Renato Dutra Dias
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Ben Hur Mussulini
- Centre of New Technologies, University of Warsaw, Banacha 2C, Warsaw 02-097, Poland; ReMedy International Research Agenda Unit, University of Warsaw, Banacha 2C, Warsaw 02-097, Poland
| | - Eduardo Pacheco Rico
- Programa De Pós-Graduação Em Ciências Da Saúde, Universidade Do Extremo Sul Catarinense - UNESC, Av. Universitária, 1105, Bairro Universitário, 88806-000 Criciúma, SC, Brazil
| | - Diogo Losch de Oliveira
- Laboratory of Cellular Neurochemistry, Programa De Pós-graduação Em Ciências Biológicas: Bioquímica, Departamento De Bioquímica, Instituto De Ciências Básicas Da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
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26
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Collier AD, Min SS, Campbell SD, Roberts MY, Camidge K, Leibowitz SF. Maternal ethanol consumption before paternal fertilization: Stimulation of hypocretin neurogenesis and ethanol intake in zebrafish offspring. Prog Neuropsychopharmacol Biol Psychiatry 2020; 96:109728. [PMID: 31394141 PMCID: PMC6815720 DOI: 10.1016/j.pnpbp.2019.109728] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 08/02/2019] [Accepted: 08/03/2019] [Indexed: 12/27/2022]
Abstract
There are numerous clinical and pre-clinical studies showing that exposure of the embryo to ethanol markedly affects neuronal development and stimulates alcohol drinking and related behaviors. In rodents and zebrafish, our studies show that embryonic exposure to low-dose ethanol, in addition to increasing voluntary ethanol intake during adolescence, increases the density of hypothalamic hypocretin (hcrt) neurons, a neuropeptide known to regulate reward-related behaviors. The question addressed here in zebrafish is whether maternal ethanol intake before conception also affects neuronal and behavioral development, phenomena suggested by clinical reports but seldom investigated. To determine if preconception maternal ethanol consumption also affects these hcrt neurons and behavior in the offspring, we first standardized a method of measuring voluntary ethanol consumption in AB strain adult and larval zebrafish given gelatin meals containing 10% or 0.1% ethanol, respectively. We found the number of bites of gelatin to be an accurate measure of intake in adults and a strong predictor of blood ethanol levels, and also to be a reliable indicator of intake in larval zebrafish. We then used this feeding paradigm and live imaging to examine the effects of preconception maternal intake of 10% ethanol-gelatin compared to plain-gelatin for 14 days on neuronal development in the offspring. Whereas ethanol consumption by adult female HuC:GFP transgenic zebrafish had no impact on the number of differentiated HuC+ neurons at 28 h post-fertilization (hpf), preconception ethanol consumption by adult female hcrt:EGFP zebrafish significantly increased the number of hcrt neurons in the offspring, an effect observed at 28 hpf and confirmed at 6 and 12 days post-fertilization (dpf). This increase in hcrt neurons was primarily present on the left side of the brain, indicating asymmetry in ethanol's actions, and it was accompanied by behavioral changes in the offspring, including a significant increase in novelty-induced locomotor activity but not thigmotaxis measured at 6 dpf and also in voluntary consumption of 0.1% ethanol-gelatin at 12 dpf. Notably, these measures of ethanol intake and locomotor activity stimulated by preconception ethanol were strongly, positively correlated with the number of hcrt neurons. These findings demonstrate that preconception maternal ethanol consumption affects the brain and behavior of the offspring, producing effects similar to those caused by embryonic ethanol exposure, and they provide further evidence that the ethanol-induced increase in hcrt neurogenesis contributes to the behavioral disturbances caused by ethanol.
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Affiliation(s)
- Adam D Collier
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, USA
| | - Soe S Min
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, USA
| | - Samantha D Campbell
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, USA
| | - Mia Y Roberts
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, USA
| | - Kaylin Camidge
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, USA
| | - Sarah F Leibowitz
- Laboratory of Behavioral Neurobiology, The Rockefeller University, New York, NY, USA.
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Waltes R, Freitag CM, Herlt T, Lempp T, Seitz C, Palmason H, Meyer J, Chiocchetti AG. Impact of autism-associated genetic variants in interaction with environmental factors on ADHD comorbidities: an exploratory pilot study. J Neural Transm (Vienna) 2019; 126:1679-1693. [PMID: 31707462 DOI: 10.1007/s00702-019-02101-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 10/29/2019] [Indexed: 02/07/2023]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is determined by genetic and environmental factors, and shares genetic risk with ASD. Functional single-nucleotide polymorphisms of the metabotropic glutamatergic signaling pathway are reported to increase the risk for ASD. The aim of this pilot study was to explore the main effects of respective ASD variants as well as their interaction effects with well-replicated ADHD environmental risk factors on the risk for ADHD, ADHD symptom severities, and comorbidities. We included 318 children with ADHD, aged 5-13 years, and their parents (N = 164 trios, N = 113 duos, N = 41 singletons). Interaction of ASD risk variants CYFIP1-rs7170637, CYFIP1-rs3693, CAMK4-rs25925, and GRM1-rs6923492 with prenatal biological and lifetime psychosocial risk factors was explored in a subsample with complete environmental risk factors (N = 139 trios, N = 83 duos, two singletons) by transmission disequilibrium test and stepwise regression analyses. We identified nominally significant (alpha < 0.05) GxE interactions of acute life events with CYFIP1-rs3693 on ADHD diagnosis (p = 0.004; fdr = 0.096) but no significant association of any single marker. Further results suggest that the risk for comorbid disruptive disorders was significantly modulated by GxE interactions between familial risk factors and CAMK4-rs25925 (p = 0.001; fdr = 0.018) and prenatal alcohol exposure with CYFIP1-rs3693 (p = 0.003; fdr = 0.027); both findings survived correction for multiple testing (fdr value < 0.05). Nominal significant GxE interactions moderating the risk for anxiety disorders have also been identified, but did not pass multiple testing corrections. This pilot study suggests that common ASD variants of the glutamatergic system interact with prenatal and lifetime psychosocial risk factors influencing the risk for ADHD common comorbidities and thus warrants replication in larger samples.
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Affiliation(s)
- Regina Waltes
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, JW Goethe University, Deutschordenstr. 50, 60528, Frankfurt am Main, Germany
| | - Christine M Freitag
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, JW Goethe University, Deutschordenstr. 50, 60528, Frankfurt am Main, Germany
| | - Timo Herlt
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, JW Goethe University, Deutschordenstr. 50, 60528, Frankfurt am Main, Germany
| | - Thomas Lempp
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, JW Goethe University, Deutschordenstr. 50, 60528, Frankfurt am Main, Germany
| | - Christiane Seitz
- Department of Child and Adolescent Psychiatry and Psychotherapy, Saarland University Hospital, 66421, Homburg, Germany
| | - Haukur Palmason
- Department of Neurobehavioral Genetics, Institute of Psychobiology, University of Trier, 54290, Trier, Germany
| | - Jobst Meyer
- Department of Neurobehavioral Genetics, Institute of Psychobiology, University of Trier, 54290, Trier, Germany
| | - Andreas G Chiocchetti
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, JW Goethe University, Deutschordenstr. 50, 60528, Frankfurt am Main, Germany.
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28
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Luzeena Raja G, Divya Subhashree K, Lite C, Santosh W, Barathi S. Transient exposure of methylparaben to zebrafish (Danio rerio) embryos altered cortisol level, acetylcholinesterase activity and induced anxiety-like behaviour. Gen Comp Endocrinol 2019; 279:53-59. [PMID: 30395803 DOI: 10.1016/j.ygcen.2018.11.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 10/27/2022]
Abstract
Parabens are widely used as antimicrobial preservatives. Recent studies have reported the endocrine disrupting effects of these chemicals, especially methylparaben. Previously, we have reported the alteration in Vtg gene expression upon exposure to environmentally relevant doses of methylparaben in zebrafish (Danio rerio) embryos. However, studies reporting neurobehavioural outcomes on exposure to methylparaben are limited. Therefore, this study was aimed at investigating the methylparaben-induced effects on developmental and neurobehavioural endpoints. Zebrafish embryos were exposed to sub-lethal concentrations of methylparaben: 0.1 ppb, 1 ppb, 10 ppb and 100 ppb. Alterations in developmental landmarks such as heart rate and hatching percentage were observed in embryos exposed to 10 ppb and 100 ppb of methylparaben. Results obtained from the novel tank diving test established that anxiety-like behaviour is induced in larvae exposed to 0.1 ppb and 1 ppb of methylparaben. A significant inhibition in the acetylcholinesterase (AChE) activity was also recorded in methylparaben-exposed groups. An increase in cortisol levels was observed in the exposed groups, which further supports the observations made in the novel tank diving test, establishing methylparaben as an anxiogenic agent even at sub-lethal concentrations. The underlying molecular mechanism needs further elucidation to investigate whether the behavioural effects are proximally or distally induced by early developmental exposure to methylparaben.
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Affiliation(s)
- Glancis Luzeena Raja
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Tamil Nadu, India
| | - K Divya Subhashree
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Tamil Nadu, India
| | - Christy Lite
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Tamil Nadu, India
| | - Winkins Santosh
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Tamil Nadu, India; P.G. Research Department of Advanced Zoology and Biotechnology, Government College for Men, Tamil Nadu, India
| | - S Barathi
- Endocrine Disruption and Reproductive Toxicology (EDART) Laboratory, SRM Institute of Science and Technology, Tamil Nadu, India.
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