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Rovegno E, Lucon-Xiccato T, Terrin F, Valle LD, Bertolucci C. Knockout in zebrafish reveals the role of the glucocorticoid receptor in shaping behavioral syndromes. Behav Brain Res 2024; 473:115179. [PMID: 39103124 DOI: 10.1016/j.bbr.2024.115179] [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: 05/13/2024] [Revised: 07/03/2024] [Accepted: 08/02/2024] [Indexed: 08/07/2024]
Abstract
Glucocorticoids (GCs) have a wide spectrum of effects on animal behavior. A recently suggested effect involves determining the structure of individual differences, that is how the behavioral traits of an individual covary, forming the so-called behavioral syndromes. As GCs can exert their action in multiple ways, e.g., via rapid non-genomic effects or via the activation of two highly homologous members of the steroid receptor family acting as transcription factors, it is unclear how the GC modulation of behavioral syndromes takes place. We exploited a zebrafish line with a frameshift mutation in the gene encoding the GC receptor (Gr), to investigate this question. We found that lack of Gr altered the average score of several behavioral traits in the mutant line, determining reduced boldness, and increased activity and sociability. Critically, the pattern of covariation between these traits was also substantially affected by the loss of Gr. The most evident effect was an association of traits involved in boldness in the gr mutant line. This study reveals that, in zebrafish, Gr is not only involved in the modulation of the average value of behavioral traits, but also in how the behavioral traits of an individual are interrelated and determine the behavioral syndromes.
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Affiliation(s)
- Eleonora Rovegno
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
| | - Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | | | | | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
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2
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Godino-Gimeno A, Rocha A, Chivite M, Saera-Vila A, Rotllant J, Míguez JM, Cerdá-Reverter JM. Agouti-Induced Anxiety-Like Behavior Is Mediated by Central Serotonergic Pathways in Zebrafish. J Neurosci 2024; 44:e1970232024. [PMID: 38977301 PMCID: PMC11308329 DOI: 10.1523/jneurosci.1970-23.2024] [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: 10/30/2023] [Revised: 06/19/2024] [Accepted: 06/25/2024] [Indexed: 07/10/2024] Open
Abstract
Overexpression of the agouti-signaling protein (asip1), an endogenous melanocortin antagonist, under the control of a constitutive promoter in zebrafish [Tg(Xla.Eef1a1:Cau.Asip1]iim4] (asip1-Tg) increases food intake by reducing sensitivity of the central satiety systems and abolish circadian activity rhythms. The phenotype also shows increased linear growth and body weight, yet no enhanced aggressiveness in dyadic fights is observed. In fact, asip1-Tg animals choose to flee to safer areas rather than face a potential threat, thus suggesting a potential anxiety-like behavior (ALB). Standard behavioral tests, i.e., the open field test (OFT), the novel object test (NOT), and the novel tank dive test (NTDT), were used to investigate thigmotaxis and ALB in male and female zebrafish. Results showed that the asip1-Tg strain exhibited severe ALB in every test, mainly characterized by pronounced freezing behavior and increased linear and angular swimming velocities. asip1-Tg animals exhibited low central serotonin (5-HT) and dopamine (DA) levels and high turnover rates, thus suggesting that central monoaminergic pathways might mediate melanocortin antagonist-induced ALB. Accordingly, the treatment of asip1-Tg animals with fluoxetine, a selective serotonin reuptake inhibitor (SSRI), reversed the ALB phenotype in NTDT as well as 5-HT turnover. Genomic and anatomical data further supported neuronal interaction between melanocortinergic and serotonergic systems. These results suggest that inhibition of the melanocortin system by ubiquitous overexpression of endogenous antagonist has an anxiogenic effect mediated by serotonergic transmission.
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Affiliation(s)
- Alejandra Godino-Gimeno
- Fish NeuroBehaviour Lab, Department of Fish Physiology and Biotechnology, Instituto de Acuicultura de Torre de la Sal, IATS-CSIC, Castellon 12595, Spain
| | - Ana Rocha
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Matosinhos 4450-208, Portugal
| | - Mauro Chivite
- Centro de Investigación Mariña, Laboratorio de Fisioloxía Animal, Departamento de Bioloxía Funcional e Ciencias da Saúde, Facultade de Bioloxía, Universidade de Vigo, Vigo 36310, Spain
| | | | - Josep Rotllant
- Instituto de Investigaciones Marinas, Consejo Superior de Investigaciones Científicas (IIM-CSIC), Vigo 36208, Spain
| | - Jesús M Míguez
- Centro de Investigación Mariña, Laboratorio de Fisioloxía Animal, Departamento de Bioloxía Funcional e Ciencias da Saúde, Facultade de Bioloxía, Universidade de Vigo, Vigo 36310, Spain
| | - José Miguel Cerdá-Reverter
- Fish NeuroBehaviour Lab, Department of Fish Physiology and Biotechnology, Instituto de Acuicultura de Torre de la Sal, IATS-CSIC, Castellon 12595, Spain
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3
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Yin JH, Horzmann KA. Embryonic Zebrafish as a Model for Investigating the Interaction between Environmental Pollutants and Neurodegenerative Disorders. Biomedicines 2024; 12:1559. [PMID: 39062132 PMCID: PMC11275083 DOI: 10.3390/biomedicines12071559] [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: 06/10/2024] [Revised: 07/08/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Environmental pollutants have been linked to neurotoxicity and are proposed to contribute to neurodegenerative disorders. The zebrafish model provides a high-throughput platform for large-scale chemical screening and toxicity assessment and is widely accepted as an important animal model for the investigation of neurodegenerative disorders. Although recent studies explore the roles of environmental pollutants in neurodegenerative disorders in zebrafish models, current knowledge of the mechanisms of environmentally induced neurodegenerative disorders is relatively complex and overlapping. This review primarily discusses utilizing embryonic zebrafish as the model to investigate environmental pollutants-related neurodegenerative disease. We also review current applicable approaches and important biomarkers to unravel the underlying mechanism of environmentally related neurodegenerative disorders. We found embryonic zebrafish to be a powerful tool that provides a platform for evaluating neurotoxicity triggered by environmentally relevant concentrations of neurotoxic compounds. Additionally, using variable approaches to assess neurotoxicity in the embryonic zebrafish allows researchers to have insights into the complex interaction between environmental pollutants and neurodegenerative disorders and, ultimately, an understanding of the underlying mechanisms related to environmental toxicants.
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Affiliation(s)
| | - Katharine A. Horzmann
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA;
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4
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Schenk S, Horsfield JA, Dwoskin L, Johnson SL. Methamphetamine effects in zebrafish (Danio rerio) depend on behavioral endpoint, dose and test session duration. Pharmacol Biochem Behav 2024; 240:173777. [PMID: 38670467 DOI: 10.1016/j.pbb.2024.173777] [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: 03/02/2024] [Revised: 04/11/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
Research using zebrafish (Danio rerio) has begun to provide novel information in many fields, including the behavioral pharmacology of drug use and misuse. There have been limited studies on the effects of methamphetamine in adult zebrafish and the parameters of exposure (dose, test session length) have not been well-documented. Behavior following drug exposure is generally measured during relatively short sessions (6-10 min is common) in a novel tank environment. Many procedural variables (isolation, netting, novel tank) elicit anxiety-like behavior that is most apparent during the initial portion of a test session. This anxiety-like behavior might mask the initial effects of methamphetamine. During longer test sessions, these anxiety-like responses would be expected to habituate and drug effects should become more apparent. To test this idea, we measured several locomotor activity responses for 50-min following a range of methamphetamine doses (0.1-3.0 mg/L via immersion in methamphetamine solution). Methamphetamine failed to alter swimming velocity, distance travelled, or freezing time. In contrast, methamphetamine produced a dose-dependent decrease in time spent in the bottom of the tank, an increase in the number of visits to the top of the tank, and an increase in the number of transitions along the sides of the tank. The effects of methamphetamine were apparent 10-20 min following exposure and generally persisted throughout the session. These findings indicate that longer test sessions are required to measure methamphetamine-induced changes in behavior in zebrafish, as has been shown in other laboratory animals. The results also suggest that anxiety-like responses associated with various procedural aspects (netting, isolation, novel test apparatus) likely interfere with the ability to observe many behavioral effects of methamphetamine in zebrafish. Based on the current results, habituation to testing procedures to reduce anxiety-like behaviors is recommended in determining the effects of methamphetamine in zebrafish.
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Affiliation(s)
- Susan Schenk
- Department of Zoology, University of Otago, Dunedin, New Zealand
| | | | - Linda Dwoskin
- Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY, USA
| | - Sheri L Johnson
- Department of Zoology, University of Otago, Dunedin, New Zealand.
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5
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Alam MR, Dobhal V, Singh S. Neuroprotective potential of solanesol against tramadol induced zebrafish model of Parkinson's disease: insights from neurobehavioral, molecular, and neurochemical evidence. Drug Chem Toxicol 2024:1-16. [PMID: 38938099 DOI: 10.1080/01480545.2024.2355542] [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: 07/24/2023] [Accepted: 05/10/2024] [Indexed: 06/29/2024]
Abstract
Parkinson's disease (PD) is a prevalent neurodegenerative disorder characterized by the loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc) and subsequent depletion of dopamine in the striatum. Solanesol, an alcohol that acts as a precursor to coenzyme Q10, possesses potential applications in managing neurological disorders with antioxidant, anti-inflammatory, and neuromodulatory potential. In this study, a zebrafish model was employed to investigate the effects of solanesol in tramadol induced PD like symptoms. Zebrafish were administered tramadol injections (50 mg/kg) over a 20-day period. Solanesol was administered at doses of 25, 50, and 100 mg/kg, three hours prior to tramadol administration from day 11 to day 20. Behavioral tests assessing motor coordination were conducted on a weekly basis using open field and novel diving tank apparatus. On day 21, the zebrafish were euthanized, and brain tissues were examined for markers of oxidative stress, inflammation, and neurotransmitters level. Chronic tramadol treatment resulted in motor impairment, reduced antioxidant enzyme levels, enhanced release of proinflammatory cytokines in the striatum, and disrupted neurotransmitter balance. However, solanesol administration mitigated these effects and exhibited a neuroprotective effect against neurodegenerative alterations in the zebrafish model of PD. This was evident through improvements in behavior, modulation of biochemical markers, attenuation of neuroinflammation, restoration of neurotransmitters level, and enhancement of mitochondrial activity. The histopathological study also confirmed that solanesol dose dependently restored neuronal cell density which confirmed its neuroprotective potential. Further investigations are required to elucidate the underlying mechanisms of solanesol neuroprotective effects and evaluate its efficacy in human patients.
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Affiliation(s)
- Md Reyaz Alam
- Department of Pharmacology, Neuropharmacology Division, ISF College of Pharmacy, Moga, India
| | - Vaishali Dobhal
- Department of Pharmacology, Neuropharmacology Division, ISF College of Pharmacy, Moga, India
| | - Shamsher Singh
- Department of Pharmacology, Neuropharmacology Division, ISF College of Pharmacy, Moga, India
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6
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Frank CE, Sadeghi J, Heath DD, Semeniuk CAD. Behavioral transcriptomic effects of triploidy and probiotic therapy (Bifidobacterium, Lactobacillus, and Lactococcus mixture) on juvenile Chinook salmon (Oncorhynchus tshawytscha). GENES, BRAIN, AND BEHAVIOR 2024; 23:e12898. [PMID: 38817102 PMCID: PMC11140169 DOI: 10.1111/gbb.12898] [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: 11/21/2023] [Revised: 04/15/2024] [Accepted: 04/25/2024] [Indexed: 06/01/2024]
Abstract
Aquaculturists use polyploid fish to maximize production albeit with some unintended consequences including compromised behaviors and physiological function. Given benefits of probiotic therapies (e.g., improved immune response, growth, and metabolism), we explored probiotic supplementation (mixture of Bifidobacterium, Lactobacillus, and Lactococcus), to overcome drawbacks. We first examined fish gut bacterial community composition using 16S metabarcoding (via principal coordinate analyses and PERMANOVA) and determined probiotics significantly impacted gut bacteria composition (p = 0.001). Secondly, we examined how a genomic disruptor (triploidy) and diet supplements (probiotics) impact gene transcription and behavioral profiles of hatchery-reared Chinook salmon (Oncorhynchus tshawytscha). Juveniles from four treatment groups (diploid-regular feed, diploid-probiotic feed, triploid-regular feed, and triploid-probiotic feed; n = 360) underwent behavioral assays to test activity, exploration, neophobia, predator evasion, aggression/sociality, behavioral sensitivity, and flexibility. In these fish, transcriptional profiles for genes associated with neural functions (neurogenesis/synaptic plasticity) and biomarkers for stress response and development (growth/appetite) were (i) examined across treatments and (ii) used to describe behavioral phenotypes via principal component analyses and general linear mixed models. Triploids exhibited a more active behavioral profile (p = 0.002), and those on a regular diet had greater Neuropeptide Y transcription (p = 0.02). A growth gene (early growth response protein 1, p = 0.02) and long-term neural development genes (neurogenic differentiation factor, p = 0.003 and synaptysomal-associated protein 25-a, p = 0.005) impacted activity and reactionary profiles, respectively. Overall, our probiotic treatment did not compensate for triploidy. Our research highlights novel applications of behavioral transcriptomics for identifying candidate genes and dynamic, mechanistic associations with complex behavioral repertoires.
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Affiliation(s)
- Chelsea E. Frank
- Department of Integrative BiologyUniversity of WindsorWindsorOntarioCanada
| | - Javad Sadeghi
- Great Lakes Institute for Environmental ResearchUniversity of WindsorWindsorOntarioCanada
| | - Daniel D. Heath
- Department of Integrative BiologyUniversity of WindsorWindsorOntarioCanada
- Great Lakes Institute for Environmental ResearchUniversity of WindsorWindsorOntarioCanada
| | - Christina A. D. Semeniuk
- Department of Integrative BiologyUniversity of WindsorWindsorOntarioCanada
- Great Lakes Institute for Environmental ResearchUniversity of WindsorWindsorOntarioCanada
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Mando Z, Mando H, Afzan A, Shaari K, Hassan Z, Mohamad Taib MNA, Zakaria F. Biomarker triterpenoids of Centella asiatica as potential antidepressant agents: Combining in vivo and in silico studies. Behav Brain Res 2024; 466:114976. [PMID: 38599249 DOI: 10.1016/j.bbr.2024.114976] [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: 11/03/2023] [Revised: 03/14/2024] [Accepted: 03/26/2024] [Indexed: 04/12/2024]
Abstract
Although there are various treatments available for depression, some patients may experience resistance to treatment or encounter adverse effects. Centella asiatica (C. asiatica) is an ancient medicinal herb used in Ayurvedic medicine for its rejuvenating, neuroprotective and psychoactive properties. This study aims to explore the antidepressant-like effects of the major constituents found in C. asiatica, i.e., asiatic acid, asiaticoside, madecassic acid, and madecassoside at three doses (1.25, 2.5, and 5 mg/kg, i.p), on the behavioural and cortisol level of unpredictable chronic stress (UCS) zebrafish model. Based on the findings from the behavioural study, the cortisol levels in the zebrafish body after treatment with the two most effective compounds were measured using enzyme-linked immunosorbent assay (ELISA). Furthermore, a molecular docking study was conducted to predict the inhibitory impact of the triterpenoid compounds on serotonin reuptake. The in vivo results indicate that madecassoside (1.25, 2.5, and 5 mg/kg), asiaticoside and asiatic acid (5 mg/kg) activated locomotor behaviour. Madecassoside at all tested doses and asiaticoside at 2.5 and 5 mg/kg significantly decreased cortisol levels compared to the stressed group, indicating the potential regulation effect of madecassoside and asiaticoside on the hypothalamic-pituitary-adrenal axis overactivity. This study highlights the potential benefits of madecassoside and asiaticoside in alleviating depressive symptoms through their positive effects on behaviour and the hypothalamic-pituitary-adrenal (HPA)- axis in a chronic unpredictable stress zebrafish model. Furthermore, the in silico study provided additional evidence to support these findings. These promising results suggest that C. asiatica may be a valuable and cost-effective therapeutic option for depression, and further research should be conducted to explore its potential benefits.
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Affiliation(s)
- Zaynab Mando
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800 USM, Malaysia
| | - Huda Mando
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry and Drug Control, Arab International University, Daraa, Syrian Arab Republic
| | - Adlin Afzan
- Phytochemistry Unit, Herbal Medicine Research Institute, Institute for Medical Research, National Institutes of Health, Shah Alam 40170, Malaysia
| | - Khozirah Shaari
- Laboratory of Natural Medicines and Products (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia, Serdang, 43400, Malaysia
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, Penang 11800 USM, Malaysia
| | - Mohamad Nurul Azmi Mohamad Taib
- Natural Products and Synthesis Organic Laboratory (NPSOLab), School of Chemical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Fauziahanim Zakaria
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800 USM, Malaysia.
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8
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Yeramilli V, Rizek CS, Graham J, Taylor C, Cheddadi R, Patterson S, Watts S, Martin C. Parental preconception stress in zebrafish induces long-lasting anxiety in offspring. Physiol Behav 2024; 277:114477. [PMID: 38301945 DOI: 10.1016/j.physbeh.2024.114477] [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: 12/13/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/03/2024]
Abstract
The growth and function of the vertebrate brain are impacted by environmental stimuli and early life stress. Adults who experience chronic stress during early life are more likely to suffer various neurodevelopmental and health issues. However, our understanding of how these specific environmental signals at different developmental stages affect brain development is poorly understood. In this study, we investigated if stress in parents prior to conception modulates neurodevelopment in offspring. We used a chronic unpredictable stress model adapted to zebrafish, which is an increasingly popular vertebrate model in neuroscience research to investigate the effects of both maternal and paternal preconception stress on offspring behavior. We evaluated the responsiveness of three anxiety-related behavioral paradigms in zebrafish: the novel tank test, thigmotaxis, and shoaling behavior. We found larvae from stressed females exhibited anxiety-like behavior in a thigmotaxis assay. As these larvae matured into adults, they continued to exhibit anxiety-like behavior in a novel tank and shoaling behavioral assay. These studies indicate preconception stress exposure in parents can induce life-long alterations in offspring neurodevelopment. Further, these results expand the hypothesis that chronically elevated glucocorticoid signaling not only in stressed mothers, but also stressed dads can affect neurodevelopment in offspring. We propose that zebrafish may be a useful model to study the transgenerational effects of chronic stress mediated via the maternal and paternal line.
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Affiliation(s)
- Venkata Yeramilli
- Dept of Surgery, Washington University School of Medicine, Saint Louis, MO, US
| | | | - Jessica Graham
- Dept of Surgery, Washington University School of Medicine, Saint Louis, MO, US
| | - Christopher Taylor
- Dept of Biology, University of Alabama at Birmingham, Birmingham, AL, US
| | - Riadh Cheddadi
- Dept of Surgery, Washington University School of Medicine, Saint Louis, MO, US
| | - Sophie Patterson
- Dept of Biology, University of Alabama at Birmingham, Birmingham, AL, US
| | - Stephen Watts
- Dept of Biology, University of Alabama at Birmingham, Birmingham, AL, US
| | - Colin Martin
- Dept of Surgery, Washington University School of Medicine, Saint Louis, MO, US.
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9
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Gore SV, Del Rosario Hernández T, Creton R. Behavioral effects of visual stimuli in adult zebrafish using a novel eight-tank imaging system. Front Behav Neurosci 2024; 18:1320126. [PMID: 38529416 PMCID: PMC10962262 DOI: 10.3389/fnbeh.2024.1320126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 02/12/2024] [Indexed: 03/27/2024] Open
Abstract
Introduction Animals respond to various environmental cues. Animal behavior is complex, and behavior analysis can greatly help to understand brain function. Most of the available behavioral imaging setups are expensive, provide limited options for customization, and allow for behavioral imaging of one animal at a time. Methods The current study takes advantage of adult zebrafish as a model organism to study behavior in a novel behavioral setup allowing one to concurrently image 8 adult zebrafish. Results Our results indicate that adult zebrafish show a unique behavioral profile in response to visual stimuli such as moving lines. In the presence of moving lines, the fish spent more time exploring the tank and spent more time toward the edges of the tanks. In addition, the fish moved and oriented themselves against the direction of the moving lines, indicating a negative optomotor response (OMR). With repeated exposure to moving lines, we observed a reduced optomotor response in adult zebrafish. Discussion Our behavioral setup is relatively inexpensive, provides flexibility in the presentation of various animated visual stimuli, and offers improved throughput for analyzing behavior in adult zebrafish. This behavioral setup shows promising potential to quantify various behavioral measures and opens new avenues to understand complex behaviors.
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Affiliation(s)
- Sayali V. Gore
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, United States
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10
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Beukeboom R, Benhaïm D. How to measure exploration: A combined estimation method. Behav Processes 2024; 216:104998. [PMID: 38336237 DOI: 10.1016/j.beproc.2024.104998] [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: 10/30/2023] [Revised: 01/26/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024]
Abstract
The personality axis 'exploration-avoidance' is often measured using an open field test (OFT) from which measurements such as mobility level (e.g. distance travelled) and space use (e.g. area covered) in an unknown environment are extracted. Recently developed tracking software surprisingly includes only a measure of mobility level in their output summary. Consequently, recent articles using these software programs started to ignore a measure of space use in their determination of exploration. In this short communication, we show briefly why it is important to not overlook a measure of space use, provide an easy way to calculate such a measure, with adjustable resolution, from the available position data provided by the software and a method to determine a proxy for exploration.
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Affiliation(s)
- Rosanne Beukeboom
- University of Iceland, Faculty of Life and Environmental Sciences, Reykjavik, Iceland; Department of Aquaculture and Fish Biology, Hólar University, Sauðárkrókur, Iceland.
| | - David Benhaïm
- Department of Aquaculture and Fish Biology, Hólar University, Sauðárkrókur, Iceland
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11
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Hagen EV, Schalomon M, Zhang Y, Hamilton TJ. Repeated microdoses of LSD do not alter anxiety or boldness in zebrafish. Sci Rep 2024; 14:4389. [PMID: 38388550 PMCID: PMC10883969 DOI: 10.1038/s41598-024-54676-8] [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: 08/17/2023] [Accepted: 02/15/2024] [Indexed: 02/24/2024] Open
Abstract
The therapeutic use of lysergic acid diethylamide (LSD) has resurfaced in the last decade, prompting further scientific investigation into its effectiveness in many animal models. Zebrafish (Danio rerio) are a popular model organism in medical sciences and are used to examine the repeated administration of pharmacological compounds. Previous zebrafish research found acute LSD altered behaviour and cortisol levels at high (250 µg/L) but not low (5-100 µg/L) levels. In this study, we used a motion tracking system to record and analyze the movement patterns of zebrafish after acute and repeated 10-day LSD exposure (1.5 µg/L, 15 µg/L, 150 µg/L) and after seven days of withdrawal. The open-field and novel object approach tests were used to examine anxiety-like behaviour, boldness, and locomotion. In the acute experiments we observed a significant decrease in high mobility with 1.5 µg/L, 15 µg/L, and 150 µg/L of LSD compared to the control and a decrease in velocity with 1.5 and 15 µg/L. In repeated experiments, there were no significant differences in the levels of anxiety, boldness, or locomotion between all LSD groups and controls immediately after 10-day treatment or after withdrawal.
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Affiliation(s)
- Ethan V Hagen
- Department of Psychiatry, University of Alberta, Edmonton, AB, Canada
- Department of Psychology, MacEwan University, 10700 104 Ave NW, Edmonton, AB, T5J 4S2, Canada
| | - Melike Schalomon
- Department of Psychology, MacEwan University, 10700 104 Ave NW, Edmonton, AB, T5J 4S2, Canada
| | - Yanbo Zhang
- Department of Psychiatry, University of Alberta, Edmonton, AB, Canada
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
| | - Trevor J Hamilton
- Department of Psychology, MacEwan University, 10700 104 Ave NW, Edmonton, AB, T5J 4S2, Canada.
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada.
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12
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Ilyin NP, Petersen EV, Kolesnikova TO, Demin KA, Khatsko SL, Apuhtin KV, Kalueff AV. Developing Peripheral Biochemical Biomarkers of Brain Disorders: Insights from Zebrafish Models. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:377-391. [PMID: 38622104 DOI: 10.1134/s0006297924020160] [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: 08/22/2023] [Revised: 01/09/2024] [Accepted: 02/13/2024] [Indexed: 04/17/2024]
Abstract
High prevalence of human brain disorders necessitates development of the reliable peripheral biomarkers as diagnostic and disease-monitoring tools. In addition to clinical studies, animal models markedly advance studying of non-brain abnormalities associated with brain pathogenesis. The zebrafish (Danio rerio) is becoming increasingly popular as an animal model organism in translational neuroscience. These fish share some practical advantages over mammalian models together with high genetic homology and evolutionarily conserved biochemical and neurobehavioral phenotypes, thus enabling large-scale modeling of human brain diseases. Here, we review mounting evidence on peripheral biomarkers of brain disorders in zebrafish models, focusing on altered biochemistry (lipids, carbohydrates, proteins, and other non-signal molecules, as well as metabolic reactions and activity of enzymes). Collectively, these data strongly support the utility of zebrafish (from a systems biology standpoint) to study peripheral manifestations of brain disorders, as well as highlight potential applications of biochemical biomarkers in zebrafish models to biomarker-based drug discovery and development.
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Affiliation(s)
- Nikita P Ilyin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia.
| | - Elena V Petersen
- Moscow Institute of Physics and Technology, Moscow, 115184, Russia.
| | - Tatyana O Kolesnikova
- Neuroscience Program, Sirius University of Science and Technology, Sochi, 354340, Russia.
| | - Konstantin A Demin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia.
- Moscow Institute of Physics and Technology, Moscow, 115184, Russia
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of the Russian Federation, St. Petersburg, 197341, Russia
- Laboratory of Preclinical Bioscreening, Granov Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of the Russian Federation, Pesochny, 197758, Russia
| | | | - Kirill V Apuhtin
- Laboratory of Biopsychiatry, Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, 630117, Russia.
- Neuroscience Division, Sirius University of Science and Technology, Sirius Federal Territory, 354340, Russia
| | - Allan V Kalueff
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia.
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of the Russian Federation, St. Petersburg, 197341, Russia
- Ural Federal University, Ekaterinburg, 620002, Russia
- Laboratory of Biopsychiatry, Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, 630117, Russia
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Lebel A, Zhang L, Gonçalves D. Chemical and Visual Cues as Modulators of the Stress Response to Social Isolation in the Marine Medaka, Oryzias melastigma. Zebrafish 2024; 21:15-27. [PMID: 38377346 DOI: 10.1089/zeb.2023.0046] [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] [Indexed: 02/22/2024] Open
Abstract
The marine medaka is emerging as a potential behavioral model organism for ocean studies, namely on marine ecotoxicology. However, not much is known on the behavior of the species and behavioral assays lack standardization. This study assesses the marine medaka as a potential model for chemical communication. We investigated how short exposure to visual and chemical cues mediated the stress response to social isolation with the light/dark preference test (LDPT) and the open field test (OFT). After a 5-day isolation period, and 1 h before testing, isolated fish were randomly assigned to one of four groups: (1) placed in visual contact with conspecifics; (2) exposed to a flow of holding water from a group of conspecifics; (3) exposed to both visual and chemical cues from conspecifics; or (4) not exposed to any stimuli (controls). During the LDPT, the distance traveled and transitions between zones were more pronounced in animals exposed to the conspecific's chemical stimuli. The time spent in each area did not differ between the groups, but a clear preference for the bright area in all animals indicates robust phototaxis. During the OFT, animals exposed only to chemical cues initially traveled more than those exposed to visual or both stimuli, and displayed lower thigmotaxis. Taken together, results show that chemical cues play a significant role in exploratory behavior in this species and confirm the LDPT and OFT as suitable tests for investigating chemical communication in this species.
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Affiliation(s)
- Alexandre Lebel
- Institute of Science and Environment, University of Saint Joseph, Macao, China
| | - Libin Zhang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- College of Marine Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - David Gonçalves
- Institute of Science and Environment, University of Saint Joseph, Macao, China
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14
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Horka P, Langova V, Hubeny J, Vales K, Chrtkova I, Horacek J. Open field test for the assessment of anxiety-like behavior in Gnathonemus petersii fish. Front Behav Neurosci 2024; 17:1280608. [PMID: 38268794 PMCID: PMC10806096 DOI: 10.3389/fnbeh.2023.1280608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 12/13/2023] [Indexed: 01/26/2024] Open
Abstract
The open field test (OFT) is a basic and most widely used test for investigation in animal studies of the neurobiological basis of anxiety and screening for novel drug targets. Here, we present the results of an OFT for weakly electric fish Gnathonemus petersii. This study aimed to describe the behavioral response of G. petersii exposed to an OFT, simultaneously with an evaluation of electrical organ discharges (EOD), to determine whether any association between EOD and patterns of motor behavior in the OFT exists. Treatment of OFT activity and its temporal patterning was assessed for the whole 6-min trial as well as per-minute distributions of activity using a near-infrared camera and an EOD data acquisition system. Our results demonstrated that the time spent, distance moved, and time of activity were significantly higher in the periphery of the OFT arena. The zone preference pattern over the 6-min test session showed that G. petersii prefer the outer zone (83.61%) over the center of the arena (16.39%). The motor behavior of fish measured as distance moved, active time, and swim speed were correlated with the number of EODs; however, no relationship was found between EOD and acceleration.
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Affiliation(s)
- Petra Horka
- Institute for Environmental Studies, Faculty of Science, Charles University, Prague, Czechia
| | - Veronika Langova
- National Institute of Mental Health, Klecany, Czechia
- Third Faculty of Medicine, Charles University, Prague, Czechia
| | - Jan Hubeny
- National Institute of Mental Health, Klecany, Czechia
| | - Karel Vales
- National Institute of Mental Health, Klecany, Czechia
| | - Ivana Chrtkova
- National Institute of Mental Health, Klecany, Czechia
- Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czechia
| | - Jiri Horacek
- National Institute of Mental Health, Klecany, Czechia
- Third Faculty of Medicine, Charles University, Prague, Czechia
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15
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Mariën V, Piskin I, Zandecki C, Van houcke J, Arckens L. Age-related alterations in the behavioral response to a novel environment in the African turquoise killifish ( Nothobranchius furzeri). Front Behav Neurosci 2024; 17:1326674. [PMID: 38259633 PMCID: PMC10800983 DOI: 10.3389/fnbeh.2023.1326674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
The African turquoise killifish (Nothobranchius furzeri) has emerged as a popular model organism for neuroscience research in the last decade. One of the reasons for its popularity is its short lifespan for a vertebrate organism. However, little research has been carried out using killifish in behavioral tests, especially looking at changes in their behavior upon aging. Therefore, we used the open field and the novel tank diving test to unravel killifish locomotion, exploration-related behavior, and behavioral changes over their adult lifespan. The characterization of this behavioral baseline is important for future experiments involving pharmacology to improve the aging phenotype. In this study, two cohorts of fish were used, one cohort was tested in the open field test and one cohort was tested in the novel tank diving test. Each cohort was tested from the age of 6 weeks to the age of 24 weeks and measurements were performed every three weeks. In the open field test, we found an increase in the time spent in the center zone from 18 weeks onward, which could indicate altered exploration behavior. However, upon aging, the fish also showed an increased immobility frequency and duration. In addition, after the age of 15 weeks, their locomotion decreased. In the novel tank diving test, we did not observe this aging effect on locomotion or exploration. Killifish spent around 80% of their time in the bottom half of the tank, and we could not observe habituation effects, indicating slow habituation to novel environments. Moreover, we observed that killifish showed homebase behavior in both tests. These homebases are mostly located near the edges of the open field test and at the bottom of the novel tank diving test. Altogether, in the open field test, the largest impact of aging on locomotion and exploration was observed beyond the age of 15 weeks. In the novel tank diving test, no effect of age was found. Therefore, to test the effects of pharmacology on innate behavior, the novel tank diving test is ideally suited because there is no confounding effect of aging.
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Affiliation(s)
- Valerie Mariën
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology, KU Leuven, Leuven, Belgium
| | - Ilayda Piskin
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology, KU Leuven, Leuven, Belgium
| | - Caroline Zandecki
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology, KU Leuven, Leuven, Belgium
- Laboratory of Developmental Neurobiology, Department of Biology, KU Leuven, Leuven, Belgium
| | - Jolien Van houcke
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology, KU Leuven, Leuven, Belgium
| | - Lutgarde Arckens
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology, KU Leuven, Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Leuven, Belgium
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16
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Li X, Feng T, Lu W. The effects of valproic acid neurotoxicity on aggressive behavior in zebrafish autism model. Comp Biochem Physiol C Toxicol Pharmacol 2024; 275:109783. [PMID: 37926328 DOI: 10.1016/j.cbpc.2023.109783] [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: 06/15/2023] [Revised: 10/13/2023] [Accepted: 10/30/2023] [Indexed: 11/07/2023]
Abstract
Valproic acid (VPA) is an effective drug, which is preferred for the treatments of epilepsy and various kinds of seizures. Nonetheless, VPA has many side effects associated with autism spectrum disorder (ASD). Therefore, we conducted molecular and behavior tests in adult proactive zebrafish after VPA exposure to investigate gene transcription changes, social behavior, aggression, anxiety and locomotion. Our findings revealed that VPA exposure generates ASD-like phenotypes and behaviors: genes associated with autism, such as adsl, mbd5 and shank3a altered; social interaction deficit. Further behavioral patterns suggest that VPA exposure induces decreases in aggression and increases the anxiety behavior and body cortisol significantly. VPA exposure did not affect locomotor activity in zebrafish. Additionally, we used correlative analyses to investigate the robustness between the ASD-related genes and the different behavior tests, results showed that ASD-related genes are negatively associated with aggressive behavior. Our study demonstrated that aggressive behavior assay is a better predictor of behavior for neurotoxicology of VPA.
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Affiliation(s)
- Xiaoxue Li
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai 201306, China
| | - Tangsong Feng
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai 201306, China
| | - Weiqun Lu
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai 201306, China.
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17
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Alvarado MV, Felip A, Espigares F, Oliveira RF. Unexpected appetitive events promote positive affective state in juvenile European sea bass. Sci Rep 2023; 13:22064. [PMID: 38086896 PMCID: PMC10716175 DOI: 10.1038/s41598-023-49236-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023] Open
Abstract
Some animal species exhibit considerable physiological and behavioural alterations in response to captivity. It has been hypothesized, but rarely tested, that such changes reflect a negative affective state that is associated to this specific context. In the last years, judgement bias measures have emerged as reliable indicators of animal affective state, under the assumption that individuals in a negative affective state are more likely to evaluate ambiguous stimuli as negative and display therefore pessimistic behaviours. Here, we have developed a judgement bias task for juvenile European sea bass (Dicentrarchus labrax) aiming to measure optimism/pessimism in this marine species, which have previously been reported to show important dysregulations in captive settings. Our results show that juvenile sea bass exhibit a considerable bias towards pessimistic behaviours in laboratory settings. Furthermore, juveniles that received an unexpected positive event during the judgement bias test displayed more optimistic responses toward ambiguous stimuli as compared to control fish, indicating a positive change in their affective state induced by the appetitive experience. These results reveal a direct interaction of the internal affective state with decision-making processing under ambiguity in juvenile European sea bass, highlighting therefore the potential of judgement bias tests as a tool for the advancement and improvement of our understanding of welfare in finfish aquaculture.
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Affiliation(s)
- M V Alvarado
- Integrative Behavioural Biology Group, Instituto Gulbenkian de Ciência, 2780-156, Oeiras, Portugal
| | - A Felip
- Fish Reproductive Physiology Group, Institute of Aquaculture Torre de la Sal, IATS-CSIC, Ribera de Cabanes, 12595, Cabanes, Castellón, Spain
| | - F Espigares
- Integrative Behavioural Biology Group, Instituto Gulbenkian de Ciência, 2780-156, Oeiras, Portugal.
| | - R F Oliveira
- Integrative Behavioural Biology Group, Instituto Gulbenkian de Ciência, 2780-156, Oeiras, Portugal.
- ISPA-Instituto Universitário, 1149-041, Lisbon, Portugal.
- Champalimaud Neuroscience Programme, Champalimaud Centre for the Unknown, 1400-038, Lisbon, Portugal.
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18
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Lucon-Xiccato T, Savaşçı BB, Merola C, Benedetti E, Caioni G, Aliko V, Bertolucci C, Perugini M. Environmentally relevant concentrations of triclocarban affect behaviour, learning, and brain gene expression in fish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166717. [PMID: 37657536 DOI: 10.1016/j.scitotenv.2023.166717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/03/2023]
Abstract
Many chemicals spilled in aquatic ecosystems can interfere with cognitive abilities and brain functions that control fitness-related behaviour. Hence, their harmful potential may be substantially underestimated. Triclocarban (TCC), one of the most common aquatic contaminants, is known to disrupt hormonal activity, but the consequences of this action on behaviour and its underlying cognitive mechanisms are unclear. We tried to fill this knowledge gap by analysing behaviour, cognitive abilities, and brain gene expression in zebrafish larvae exposed to TCC sublethal concentrations. TCC exposure substantially decreased exploratory behaviour and response to stimulation, while it increased sociability. Additionally, TCC reduced the cognitive performance of zebrafish in a habituation learning task. In the brain of TCC-exposed zebrafish, we found upregulation of c-fos, a gene involved in neural activity, and downregulation of bdnf, a gene that influences behavioural and cognitive traits such as activity, learning, and memory. Overall, our experiments highlight consistent effects of non-lethal TCC concentrations on behaviour, cognitive abilities, and brain functioning in a teleost fish, suggesting critical fitness consequences of these compounds in aquatic ecosystems as well as the potential to affect human health.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
| | - Beste Başak Savaşçı
- Unit of Evolutionary Biology/Systematic Zoology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany; Department of Bioscience and Agro-Food and Environmental Technology, University of Teramo, Teramo, Italy
| | - Carmine Merola
- Department of Bioscience and Agro-Food and Environmental Technology, University of Teramo, Teramo, Italy
| | - Elisabetta Benedetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Giulia Caioni
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Valbona Aliko
- Department of Biology, Faculty of Natural Sciences, University of Tirana, Tirana, Albania
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Monia Perugini
- Department of Bioscience and Agro-Food and Environmental Technology, University of Teramo, Teramo, Italy
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19
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Souza SSD, Gomes AR, Guimarães ATB, Rodrigues ASDL, de Matos LP, Dos Santos Mendonça J, da Luz TM, Matos SGDS, Rahman MS, Ragavendran C, Senthil-Nathan S, Guru A, Rakib MRJ, Mubarak NM, Rahman MM, Rocha TL, Islam ARMT, Malafaia G. Cellulose microcrystalline: A promising ecofriendly approach to control Culex quinquefasciatus larvae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165952. [PMID: 37536599 DOI: 10.1016/j.scitotenv.2023.165952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/29/2023] [Accepted: 07/30/2023] [Indexed: 08/05/2023]
Abstract
The growing use of synthetic chemical compounds/substances in vector control of mosquitoes, associated with their adverse effects on the environment and non-target organisms, has demanded the development of eco-friendly alternatives. In this context, this study aimed to evaluate the larvicidal action of different cellulose microcrystalline (CMs) concentrations and investigate their toxicity mechanisms in Culex quinquefasciatus fourth instar larvae as a model species. Probit analysis revealed that the median lethal concentrations (LC50) for 24 h and 36 h exposure were 100 and 58.29 mg/L, respectively. We also showed that such concentrations induced a redox imbalance in the larvae, marked by an increase in the production of reactive oxygen species (ROS) and thiobarbituric acid reactive substances (TBARS), as well as a reduction in the activity of superoxide dismutase (SOD) and catalase (CAT). Furthermore, different alterations in the external morphology of the larvae were associated with the ingestion of CMs. On the other hand, exposure of adult zebrafish (Danio rerio) to LC5024h and LC5036h for seven days did not induce any behavioral changes or alterations mutagenic, genotoxic, biochemical, or in the production of cytokines IFN-γ and IL-10. Thus, taken together, our study demonstrates for the first time that the use of CMs can constitute a promising strategy in the control of C. quinquefasciatus larvae, combining insecticidal efficiency with an "eco-friendly" approach in the fight against an important mosquito vector of several human diseases.
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Affiliation(s)
- Sindoval Silva de Souza
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Alex Rodrigues Gomes
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Abraão Tiago Batista Guimarães
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Aline Sueli de Lima Rodrigues
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | - Letícia Paiva de Matos
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Juliana Dos Santos Mendonça
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Thiarlen Marinho da Luz
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Stênio Gonçalves da Silva Matos
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - M Safiur Rahman
- Department of Environmental Science and Disaster Management, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Chinnasamy Ragavendran
- Saveetha Dental College and Hospitals (SIMATS), Saveetha University Chennai, Tamil Nadu, India
| | - Sengottayan Senthil-Nathan
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tirunelveli, Tamil Nadu 627 412, India
| | - Ajay Guru
- Department of Cariology, Saveetha Dental College and Hospitals, SIMATS, Chennai 600 077, Tamil Nadu, India
| | | | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei Darussalam; Department of Biosciences, Saveetha School of Engineering, Saveetha institute of Medical and Technical Sciences, Chennai, India
| | | | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | - Guilherme Malafaia
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil.
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20
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Fontana BD, Reichmann F, Tilley CA, Lavlou P, Shkumatava A, Alnassar N, Hillman C, Karlsson KÆ, Norton WHJ, Parker MO. adgrl3.1-deficient zebrafish show noradrenaline-mediated externalizing behaviors, and altered expression of externalizing disorder-candidate genes, suggesting functional targets for treatment. Transl Psychiatry 2023; 13:304. [PMID: 37783687 PMCID: PMC10545713 DOI: 10.1038/s41398-023-02601-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 09/16/2023] [Accepted: 09/20/2023] [Indexed: 10/04/2023] Open
Abstract
Externalizing disorders (ED) are a cause of concern for public health, and their high heritability makes genetic risk factors a priority for research. Adhesion G-Protein-Coupled Receptor L3 (ADGRL3) is strongly linked to several EDs, and loss-of-function models have shown the impacts of this gene on several core ED-related behaviors. For example, adgrl3.1-/- zebrafish show high levels of hyperactivity. However, our understanding of the mechanisms by which this gene influences behavior is incomplete. Here we characterized, for the first time, externalizing behavioral phenotypes of adgrl3.1-/- zebrafish and found them to be highly impulsive, show risk-taking in a novel environment, have attentional deficits, and show high levels of hyperactivity. All of these phenotypes were rescued by atomoxetine, demonstrating noradrenergic mediation of the externalizing effects of adgrl3.1. Transcriptomic analyses of the brains of adgrl3.1-/- vs. wild-type fish revealed several differentially expressed genes and enriched gene clusters that were independent of noradrenergic manipulation. This suggests new putative functional pathways underlying ED-related behaviors, and potential targets for the treatment of ED.
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Affiliation(s)
- Barbara D Fontana
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, UK
| | - Florian Reichmann
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Ceinwen A Tilley
- Department of Genetics and Genome Biology, College of Medicine, Biological Sciences and Psychology, University of Leicester, Leicester, LE1 7RH, UK
| | - Perrine Lavlou
- Institut Curie, PSL Research University, CNRS UMR3215, INSERM U934, Paris, France
| | - Alena Shkumatava
- Institut Curie, PSL Research University, CNRS UMR3215, INSERM U934, Paris, France
| | - Nancy Alnassar
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, UK
| | - Courtney Hillman
- Surrey Sleep Research Centre, University of Surrey, Guildford, UK
| | - Karl Ægir Karlsson
- School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
- Biomedical Center, University of Iceland, Reykjavik, Iceland
- 3Z, Reykjavik, Iceland
| | - William H J Norton
- Department of Genetics and Genome Biology, College of Medicine, Biological Sciences and Psychology, University of Leicester, Leicester, LE1 7RH, UK.
- Institute of Biology, Department of Genetics, ELTE Eötvös Loránd University, Budapest, Hungary.
| | - Matthew O Parker
- Surrey Sleep Research Centre, University of Surrey, Guildford, UK.
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21
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Lai NHY, Mohd Zahir IA, Liew AKY, Ogawa S, Parhar I, Soga T. Teleosts as behaviour test models for social stress. Front Behav Neurosci 2023; 17:1205175. [PMID: 37744951 PMCID: PMC10512554 DOI: 10.3389/fnbeh.2023.1205175] [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: 04/26/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023] Open
Abstract
Stress is an important aspect of our everyday life and exposure to it is an unavoidable occurrence. In humans, this can come in the form of social stress or physical stress from an injury. Studies in animal models have helped researchers to understand the body's adaptive response to stress in human. Notably, the use of behavioural tests in animal models plays a pivotal role in understanding the neural, endocrine and behavioural changes induced by social stress. Under socially stressed conditions, behavioural parameters are often measured physiological and molecular parameters as changes in behaviour are direct responses to stress and are easily assessed by behavioural tests. Throughout the past few decades, the rodent model has been used as a well-established animal model for stress and behavioural changes. Recently, more attention has been drawn towards using fish as an animal model. Common fish models such as zebrafish, medaka, and African cichlids have the advantage of a higher rate of reproduction, easier handling techniques, sociability and most importantly, share evolutionary conserved genetic make-up, neural circuitry, neuropeptide molecular structure and function with mammalian species. In fact, some fish species exhibit a clear diurnal or seasonal rhythmicity in their stress response, similar to humans, as opposed to rodents. Various social stress models have been established in fish including but not limited to chronic social defeat stress, social stress avoidance, and social stress-related decision-making. The huge variety of behavioural patterns in teleost also aids in the study of more behavioural phenotypes than the mammalian species. In this review, we focus on the use of fish models as alternative models to study the effects of stress on different types of behaviours. Finally, fish behavioural tests against the typical mammalian model-based behavioural test are compared and discussed for their viability.
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Affiliation(s)
| | | | | | | | | | - Tomoko Soga
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
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22
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Subramanian S. Zebrafish as a model organism - can a fish mimic human? J Basic Clin Physiol Pharmacol 2023; 34:559-575. [PMID: 34662932 DOI: 10.1515/jbcpp-2021-0113] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/20/2021] [Indexed: 02/06/2023]
Abstract
From pre-historic era, all scientific discoveries have evolved around a concept - THINK BIG but for a change zebrafish as a model organism in research had managed to halt the entire medical community and made us realize that it's time to think small. From a barely imagined being in research few years ago to around 4,000 publications in just last year, zebrafish has definitely come a long way. Through these tiny fish, scientists have managed to find genes that caused human diseases and have also developed various specific models to know more about the pathology behind such diseases. This review will focus on zebrafish as a model organism from the time it was introduced to the most novel targets with particular emphasis on central nervous system (CNS) as it is rapidly evolving branch in zebrafish research these days. This review will try to shed light on the early stages of zebrafish as a model organism and will try to cover the journey of it developing as a successful model organism to map many diseases like diabetes, Alzheimer's and autism describing the rationale for using this specific model and briefly the techniques under each category and finally will summarize the pros and cons of the model with its expected future directions.
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23
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Farías-Cea A, Leal C, Hödar-Salazar M, Esparza E, Martínez-Duran L, Fuentes I, Iturriaga-Vásquez P. Behavioral Study of 3- and 5-Halocytisine Derivatives in Zebrafish Using the Novel Tank Diving Test (NTT). Int J Mol Sci 2023; 24:10635. [PMID: 37445811 DOI: 10.3390/ijms241310635] [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: 06/07/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023] Open
Abstract
Anxiety is a serious mental disorder, and recent statistics have determined that 35.12% of the global population had an anxiety disorder during the COVID-19 pandemic. A mechanism associated with anxiolytic effects is related to nicotinic acetylcholine receptor (nAChR) agonists, principally acting on the α4β2 nAChR subtype. nAChRs are present in different animal models, including murine and teleosteos ones. Zebrafish has become an ideal animal model due to its high human genetic similarities (70%), giving it high versatility in different areas of study, among them in behavioral studies related to anxiety. The novel tank diving test (NTT) is one of the many paradigms used for studies on new drugs related to their anxiolytic effect. In this work, an adult zebrafish was used to determine the behavioral effects of 3- and 5-halocytisine derivatives, using the NTT at different doses. Our results show that substitution at position 3 by chlorine or bromine decreases the time spent by the fish at the bottom compared to the control. However, the 3-chloro derivative at higher doses increases the bottom dwelling time. In contrast, substitution at the 5 position increases bottom dwelling at all concentrations showing no anxiolytic effects in this model. Unexpected results were observed with the 5-chlorocytisine derivative, which at a concentration of 10 mg/L produced a significant decrease in bottom dwelling and showed high times of freezing. In conclusion, the 3-chloro and 3-bromo derivatives show an anxiolytic effect, the 3-chlorocytisine derivative being more potent than the 3-bromo derivative, with the lowest time at the bottom of the tank at 1mg/L. On the other hand, chlorine, and bromine at position 5 produce an opposite effect.
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Affiliation(s)
- Amaury Farías-Cea
- Laboratorio de Farmacología Molecular y Química Medicinal, Departamento de Ciencias Química y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco 4811230, Chile
- Programa de Doctorado en Ciencias de Recursos Naturales, Universidad de la Frontera, Temuco 4811230, Chile
| | - Cristóbal Leal
- Laboratorio de Farmacología Molecular y Química Medicinal, Departamento de Ciencias Química y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco 4811230, Chile
| | - Martín Hödar-Salazar
- Laboratorio de Farmacología Molecular y Química Medicinal, Departamento de Ciencias Química y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco 4811230, Chile
- Programa de Doctorado en Ciencias mención Biología Celular y Molecular Aplicada, Universidad de La Frontera, Temuco 4811230, Chile
| | - Erica Esparza
- Laboratorio de Farmacología Molecular y Química Medicinal, Departamento de Ciencias Química y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco 4811230, Chile
- Programa de Doctorado en Ciencias mención Biología Celular y Molecular Aplicada, Universidad de La Frontera, Temuco 4811230, Chile
| | - Luis Martínez-Duran
- Laboratorio de Farmacología Molecular y Química Medicinal, Departamento de Ciencias Química y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco 4811230, Chile
- Programa de Doctorado en Ciencias mención Biología Celular y Molecular Aplicada, Universidad de La Frontera, Temuco 4811230, Chile
| | - Irma Fuentes
- Instituto de Ciencias Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, Temuco 4810101, Chile
| | - Patricio Iturriaga-Vásquez
- Laboratorio de Farmacología Molecular y Química Medicinal, Departamento de Ciencias Química y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco 4811230, Chile
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Zarantoniello M, de Oliveira AA, Sahin T, Freddi L, Torregiani M, Tucciarone I, Chemello G, Cardinaletti G, Gatto E, Parisi G, Bertolucci C, Riolo P, Nartea A, Gioacchini G, Olivotto I. Enhancing Rearing of European Seabass ( Dicentrarchus labrax) in Aquaponic Systems: Investigating the Effects of Enriched Black Soldier Fly ( Hermetia illucens) Prepupae Meal on Fish Welfare and Quality Traits. Animals (Basel) 2023; 13:1921. [PMID: 37370431 DOI: 10.3390/ani13121921] [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: 05/24/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Within the modern aquaculture goals, the present study aimed to couple sustainable aquafeed formulation and culturing systems. Two experimental diets characterized by 3 and 20% of fish meal replacement with full-fat spirulina-enriched black soldier fly (Hermetia illucens) prepupae meal (HPM3 and HPM20, respectively) were tested on European seabass (Dicentrarchus labrax) juveniles during a 90-day feeding trial performed in aquaponic systems. The experimental diets ensured 100% survival and proper zootechnical performance. No behavioral alterations were evidenced in fish. Histological and molecular analyses did not reveal structural alterations and signs of inflammation at the intestinal level, highlighting the beneficial role on gut health of bioactive molecules typical of HPM or derived from the enriching procedure of insects' growth substrate with spirulina. Considering the quality traits, the tested experimental diets did not negatively alter the fillet's fatty acid profile and did not compromise the fillet's physical features. In addition, the results highlighted a possible role of spirulina-enriched HPM in preserving the fillet from lipid oxidation. Taken together, these results corroborate the use of sustainable ingredients (spirulina-enriched HPM) in aquaponic systems for euryhaline fish rearing.
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Affiliation(s)
- Matteo Zarantoniello
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy
| | - Adriana Alves de Oliveira
- CIMAR/CIIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, 4450-208 Matoshinos, Portugal
| | - Tolga Sahin
- Department of Aquaculture, Marine Sciences and Technology Faculty, Çanakkale Onsekiz Mart University, 17000 Çanakkale, Turkey
| | - Lorenzo Freddi
- Mj Energy srl Società Agricola, Contrada SS. Crocifisso, 22, 62010 Treia, Italy
| | - Matteo Torregiani
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy
| | - Isabella Tucciarone
- Department of Agriculture, Food, Environment and Forestry, University of Florence, 50144 Firenze, Italy
| | - Giulia Chemello
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy
| | - Gloriana Cardinaletti
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy
| | - Elia Gatto
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44100 Ferrara, Italy
- Department of Life Sciences and Biotechnology, University of Ferrara, 44100 Ferrara, Italy
| | - Giuliana Parisi
- Department of Agriculture, Food, Environment and Forestry, University of Florence, 50144 Firenze, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, 44100 Ferrara, Italy
| | - Paola Riolo
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Ancuta Nartea
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Giorgia Gioacchini
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy
| | - Ike Olivotto
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy
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Borba JV, Gonçalves FL, Canzian J, Resmim CM, Luchiari AC, Rosemberg DB. Expanding the use of homebase-related parameters to investigate how distinct stressful conditions affect zebrafish behaviors. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110748. [PMID: 36921663 DOI: 10.1016/j.pnpbp.2023.110748] [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: 11/25/2022] [Revised: 03/06/2023] [Accepted: 03/12/2023] [Indexed: 03/18/2023]
Abstract
Stress is a physiological reaction that allows the organisms to cope with challenging situations daily. Thus, elucidating the behavioral outcomes following different stressors is of great importance in translational research. Here, we aimed to characterize the main factors which explain similarities and differences of two stress protocols on zebrafish exploratory activity. To answer this point, we performed behavioral analyses aiming to simplify the data structure associated with homebase-related measurements in an integrated manner. Adult zebrafish were exposed to conspecific alarm substance for 5 min (acute stress protocol - AS) or submitted to 7 days of unpredictable chronic stress (UCS). Immediately after AS or in the subsequent day following UCS (8th day), fish were individually tested in the open field and the behaviors were recorded for 30 min to posterior identification of homebase locations. For both protocols, behavioral clustering revealed two major clusters, grouping homebase- and locomotor-related parameters, respectively. While AS increased both positive and negative correlations between exploratory and locomotor endpoints, a significant increase in negative correlations was found in UCS-challenged fish. Comparison of the principal component analyses data set revealed a reduced exploratory activity using the homebase in AS group, while decreased locomotion in the periphery and anxiety-like behaviors were evidenced in UCS fish. In conclusion, our findings revealed a different structure of behavior in zebrafish following AS and UCS protocols, supporting the existence of distinct behavioral strategies to cope with acute and chronic stress. Furthermore, we expand the use of homebase-related measurements as a valuable tool to investigate complex behavioral modulations in future translational neuropsychiatry research.
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Affiliation(s)
- João V Borba
- 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.
| | - Falco L Gonçalves
- 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
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Cássio M Resmim
- 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
| | - Ana C Luchiari
- Department of Physiology and Behavior, Federal University of Rio Grande do Norte, Natal, RN 59078-900, Brazil
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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Zebrafish, a biological model for pharmaceutical research for the management of anxiety. Mol Biol Rep 2023; 50:3863-3872. [PMID: 36757551 DOI: 10.1007/s11033-023-08263-1] [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: 08/11/2022] [Accepted: 01/10/2023] [Indexed: 02/10/2023]
Abstract
The zebrafish (Danio rerio) is a valuable animal model rapidly becoming more commonly used in pharmaceutical studies. Due to its low-cost maintenance and high breeding potential, the zebrafish is a suitable substitute for most adult rodents (mice and rats) in neuroscience research. It is widely used in various anxiety models. This species has been used to develop a conceptual framework for anxiety behavior studies with broad applications in the laboratory, including the study of herbal and chemical drugs. This review discusses the latest studies of anxiety-related behavior in the zebrafish model.
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27
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Current State of Modeling Human Psychiatric Disorders Using Zebrafish. Int J Mol Sci 2023; 24:ijms24043187. [PMID: 36834599 PMCID: PMC9959486 DOI: 10.3390/ijms24043187] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/17/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
Psychiatric disorders are highly prevalent brain pathologies that represent an urgent, unmet biomedical problem. Since reliable clinical diagnoses are essential for the treatment of psychiatric disorders, their animal models with robust, relevant behavioral and physiological endpoints become necessary. Zebrafish (Danio rerio) display well-defined, complex behaviors in major neurobehavioral domains which are evolutionarily conserved and strikingly parallel to those seen in rodents and humans. Although zebrafish are increasingly often used to model psychiatric disorders, there are also multiple challenges with such models as well. The field may therefore benefit from a balanced, disease-oriented discussion that considers the clinical prevalence, the pathological complexity, and societal importance of the disorders in question, and the extent of its detalization in zebrafish central nervous system (CNS) studies. Here, we critically discuss the use of zebrafish for modeling human psychiatric disorders in general, and highlight the topics for further in-depth consideration, in order to foster and (re)focus translational biological neuroscience research utilizing zebrafish. Recent developments in molecular biology research utilizing this model species have also been summarized here, collectively calling for a wider use of zebrafish in translational CNS disease modeling.
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Freitas ÍN, Dourado AV, Araújo APDC, Souza SSD, Luz TMD, Guimarães ATB, Gomes AR, Islam ARMT, Rahman MM, Arias AH, Mubarak Ali D, Ragavendran C, Kamaraj C, Malafaia G. Toxicity assessment of SARS-CoV-2-derived peptides in combination with a mix of pollutants on zebrafish adults: A perspective study of behavioral, biometric, mutagenic, and biochemical toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159838. [PMID: 36343805 PMCID: PMC9635251 DOI: 10.1016/j.scitotenv.2022.159838] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/26/2022] [Accepted: 10/26/2022] [Indexed: 05/19/2023]
Abstract
The dispersion of SARS-CoV-2 in aquatic environments via the discharge of domestic and hospital sewage has been confirmed in different locations. Thus, we aimed to evaluate the possible impacts of zebrafish (Danio rerio) exposure to SARS-CoV-2 peptide fragments (PSPD-2001, 2002, and 2003) alone and combined with a mix of emerging pollutants. Our data did not reveal the induction of behavioral, biometric, or mutagenic changes. But we noticed an organ-dependent biochemical response. While nitric oxide and malondialdehyde production in the brain, gills, and muscle did not differ between groups, superoxide dismutase activity was reduced in the "PSPD", "Mix", and "Mix+PSPD" groups. An increase in catalase activity and a reduction in DPPH radical scavenging activity were observed in the brains of animals exposed to the treatments. However, the "Mix+PSPD" group had a higher IBRv2 value, with NO levels (brain), the reduction of acetylcholinesterase activity (muscles), and the DPPH radical scavenging activity (brain and muscles), the most discriminant factors for this group. The principal component analysis (PCA) and hierarchical clustering analysis indicated a clear separation of the "Mix+PSPD" group from the others. Thus, we conclude that exposure to viral fragments, associated with the mix of pollutants, induced more significant toxicity in zebrafish adults than in others.
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Affiliation(s)
- Ítalo Nascimento Freitas
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Amanda Vieira Dourado
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil
| | | | - Sindoval Silva de Souza
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil
| | - Thiarlen Marinho da Luz
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | | | - Alex Rodrigues Gomes
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | | | - Md Mostafizur Rahman
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh
| | - Andrés Hugo Arias
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS)-CONICET, Florida 8000, Complejo CCT CONICET Bahía Blanca, Edificio E1, B8000BFW Bahía Blanca, Argentina
| | - Davoodbasha Mubarak Ali
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei Darussalam
| | - Chinnasamy Ragavendran
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, India
| | - Chinnaperumal Kamaraj
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research and Virtual Education, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Tamil Nadu, India
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil.
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29
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Félix L, Carreira P, Peixoto F. Effects of chronic exposure of naturally weathered microplastics on oxidative stress level, behaviour, and mitochondrial function of adult zebrafish (Danio rerio). CHEMOSPHERE 2023; 310:136895. [PMID: 36265700 DOI: 10.1016/j.chemosphere.2022.136895] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 09/23/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Microplastics (MPs) are a big and growing environmental concern, with studies showing sublethal to acute biological impacts on typical aquatic organisms. However, little is known about the biological effects of naturally weathered MPs, particularly focusing on mitochondria dysfunction as the key trigger of the biological effects. Therefore, in this study, naturally weathered MPs were produced from day-to-day life products, characterized, and chronically exposed (21 days) to adult zebrafish at the concentration of 0.1 and 1 mg/L. Locomotion and unconditioned anxiety-like behaviour was assessed. Mitochondrial respiration, membrane potential, mitochondrial complex activity and oxidative-related parameters were evaluated in the brain and liver. The results revealed the weathered MPs as a copolymer of propylene and ethylene that induced anxiety-like behaviour. There was an increase in brain catalase activity while the brain lactate dehydrogenase activity was inhibited after exposure to 1 mg/L. Brain glutathione levels were increased while their ratio was not affected. Mitochondrial respiratory chain complex Ⅱ and IV were also significantly decreased in the brain, although not compromising mitochondrial function. On the other hand, exposure to 1 mg/L caused a deficiency in liver mitochondrial respiration and decreased mitochondrial membrane potential, which were associated with the mitochondrial respiratory chain inhibition. An increase in hepatic superoxide dismutase and catalase activity was noticed, supporting the occurrence of ROS-induced ROS release as the potential trigger for the mitochondrial dysfunction. Overall, these findings highlight the potential indirect and cumulative environmental effects these particles may pose to aquatic ecosystems.
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Affiliation(s)
- Luís Félix
- 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; Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), UTAD, Vila Real, Portugal.
| | - Paulo Carreira
- Life Sciences and Environment School (ECVA), UTAD, Vila Real, Portugal
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Lucon-Xiccato T, Tomain M, D’Aniello S, Bertolucci C. bdnf loss affects activity, sociability, and anxiety-like behaviour in zebrafish. Behav Brain Res 2023; 436:114115. [DOI: 10.1016/j.bbr.2022.114115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 08/18/2022] [Accepted: 09/11/2022] [Indexed: 10/14/2022]
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Mrinalini R, Tamilanban T, Naveen Kumar V, Manasa K. Zebrafish - The Neurobehavioural Model in Trend. Neuroscience 2022; 520:95-118. [PMID: 36549602 DOI: 10.1016/j.neuroscience.2022.12.016] [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: 03/24/2022] [Revised: 12/11/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
Zebrafish (Danio rerio) is currently in vogue as a prevalently used experimental model for studies concerning neurobehavioural disorders and associated fields. Since the 1960s, this model has succeeded in breaking most barriers faced in the hunt for an experimental model. From its appearance to its high parity with human beings genetically, this model renders itself as an advantageous experimental lab animal. Neurobehavioural disorders have always posed an arduous task in terms of their detection as well as in determining their exact etiology. They are still, in most cases, diseases of interest for inventing or discovering novel pharmacological interventions. Thus, the need for a harbinger experimental model for studying neurobehaviours is escalating. Ensuring the same model is used for studying several neuro-studies conserves the results from inter-species variations. For this, we need a model that satisfies all the pre-requisite conditions to be made the final choice of model for neurobehavioural studies. This review recapitulates the progress of zebrafish as an experimental model with its most up-to-the-minute advances in the area. Various tests, assays, and responses employed using zebrafish in screening neuroactive drugs have been tabulated effectively. The tools, techniques, protocols, and apparatuses that bolster zebrafish studies are discussed. The probable research that can be done using zebrafish has also been briefly outlined. The various breeding and maintenance methods employed, along with the information on various strains available and most commonly used, are also elaborated upon, supplementing Zebrafish's use in neuroscience.
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Affiliation(s)
- R Mrinalini
- Department of Pharmacology, SRM College of Pharmacy, SRMIST, Kattankulathur, India - 603203
| | - T Tamilanban
- Department of Pharmacology, SRM College of Pharmacy, SRMIST, Kattankulathur, India - 603203
| | - V Naveen Kumar
- Department of Pharmacology, SRM College of Pharmacy, SRMIST, Kattankulathur, India - 603203.
| | - K Manasa
- Department of Pharmacology, SRM College of Pharmacy, SRMIST, Kattankulathur, India - 603203
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32
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Kumar V, Singh C, Singh A. Neuroprotective Potential of Hydroalcoholic Extract of Centella asiatica Against 3-Nitropropionic Acid-Induced Huntington's Like Symptoms in Adult Zebrafish. Rejuvenation Res 2022; 25:260-274. [PMID: 36150031 DOI: 10.1089/rej.2022.0036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Huntington's disease (HD) is an inherited neurodegenerative disease. 3-Nitropropionic acid (3-NP) causes increased reactive oxygen species production and neuroinflammation. Centella asiatica (CA) is a strong antioxidant. The aim of this study is to investigate the effect of hydroalcoholic extract of C. asiatica (HA-CA) on 3-NP-induced HD in adult zebrafish. Adult zebrafish (∼5-6 months old) weighing 470 to 530 mg was used and treated with 3-NP (5 mg/kg intraperitoneal [i.p.]). The animals received HA-CA (80 and 100 mg/L) daily for up to 28 days in water. Tetrabenazine (3 mg/kg i.p.) was used as a standard drug. We have done an open field test (for locomotor activity), a novel tank diving test (for anxiety), and a light and dark tank test (for memory), followed by biochemical analysis (acetyl-cholinesterase [AchEs], nitrite, lipid peroxidation [LPO], and glutathione [GSH]) and histopathology to further confirm memory dysfunctions. 3-NP-treated zebrafish exhibit reductions in body weight, progressive neuronal damage, cognition, and locomotor activity. The HA-CA group significantly reduced the 3-NP-induced increase in LPO, AchEs, and nitrite levels while decreasing GSH levels. Oral administration of HA-CA (80 or 100 mg/L) significantly reduces 3-NP-induced changes in body weight and behaviors, in addition to neuroinflammation in the brain by lowering tumor necrosis factor-α and interleukin-1β levels. Moreover, HA-CA significantly decreases the 3-NP-induced neuronal damage in the brain. HA-CA ameliorates neurotoxicity and neurobehavioral deficits in 3-NP-induced HD-like symptoms in adult zebrafish.
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Affiliation(s)
- Vishal Kumar
- Department of Pharmacology, ISF College of Pharmacy, Moga, Affiliated to IK Gujral Punjab Technical University, Jalandhar, India
| | - Charan Singh
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Affiliated to IK Gujral Punjab Technical University, Jalandhar, India
| | - Arti Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga, Affiliated to IK Gujral Punjab Technical University, Jalandhar, India
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DePasquale C, Franklin K, Jia Z, Jhaveri K, Buderman FE. The effects of exploratory behavior on physical activity in a common animal model of human disease, zebrafish ( Danio rerio). Front Behav Neurosci 2022; 16:1020837. [PMID: 36425283 PMCID: PMC9679429 DOI: 10.3389/fnbeh.2022.1020837] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/14/2022] [Indexed: 08/27/2023] Open
Abstract
Zebrafish (Danio rerio) are widely accepted as a multidisciplinary vertebrate model for neurobehavioral and clinical studies, and more recently have become established as a model for exercise physiology and behavior. Individual differences in activity level (e.g., exploration) have been characterized in zebrafish, however, how different levels of exploration correspond to differences in motivation to engage in swimming behavior has not yet been explored. We screened individual zebrafish in two tests of exploration: the open field and novel tank diving tests. The fish were then exposed to a tank in which they could choose to enter a compartment with a flow of water (as a means of testing voluntary motivation to exercise). After a 2-day habituation period, behavioral observations were conducted. We used correlative analyses to investigate the robustness of the different exploration tests. Due to the complexity of dependent behavioral variables, we used machine learning to determine the personality variables that were best at predicting swimming behavior. Our results show that contrary to our predictions, the correlation between novel tank diving test variables and open field test variables was relatively weak. Novel tank diving variables were more correlated with themselves than open field variables were to each other. Males exhibited stronger relationships between behavioral variables than did females. In terms of swimming behavior, fish that spent more time in the swimming zone spent more time actively swimming, however, swimming behavior was inconsistent across the time of the study. All relationships between swimming variables and exploration tests were relatively weak, though novel tank diving test variables had stronger correlations. Machine learning showed that three novel tank diving variables (entries top/bottom, movement rate, average top entry duration) and one open field variable (proportion of time spent frozen) were the best predictors of swimming behavior, demonstrating that the novel tank diving test is a powerful tool to investigate exploration. Increased knowledge about how individual differences in exploration may play a role in swimming behavior in zebrafish is fundamental to their utility as a model of exercise physiology and behavior.
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Affiliation(s)
- Cairsty DePasquale
- Department of Biology, Pennsylvania State University – Altoona, Altoona, PA, United States
| | - Kristina Franklin
- Department of Biology, Pennsylvania State University – Altoona, Altoona, PA, United States
| | - Zhaohan Jia
- Department of Biology, Pennsylvania State University – Altoona, Altoona, PA, United States
| | - Kavya Jhaveri
- Department of Biology, Pennsylvania State University – Altoona, Altoona, PA, United States
| | - Frances E. Buderman
- Department of Ecosystem Science and Management, Pennsylvania State University, University Park, PA, United States
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Wang Y, Song J, Wang X, Qian Q, Wang H. Study on the toxic-mechanism of triclosan chronic exposure to zebrafish (Danio rerio) based on gut-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:156936. [PMID: 35772538 DOI: 10.1016/j.scitotenv.2022.156936] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/17/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Triclosan (TCS), as a broad-spectrum bactericide, is extensively used in the fine chemical and textile industries. It is recognized as a new type of environmental endocrine disruptor with frequent detection and environmental pollution. However, the toxicity mechanism regarding neurodevelopment and neurobehavior remains unclear. This study is intended to explore the underlying toxic mechanism of TCS based on gut-brain axis. TCS-chronic exposure affected the development of zebrafish, induced feminization, obesity physical signs and abnormal organ index and caused neurobehavioral abnormalities by inhibiting both neurotransmitter acetylcholinesterase and dopamine activity, promoting brain neuron apoptosis and accelerating diencephalic lesions. Meanwhile, TCS-chronic exposure led to gut microbiota dysbiosis and decreased diversity, such as increased pathogenic bacteria and decreased probiotics in adult zebrafish gut, which caused many pathological damages, including partial shedding and ablation of intestinal villi, inflammatory infiltration, thinning of intestinal wall, and increased goblet cell in villus. Based on the communication between intestinal peripheral nerves and CNS, the above histopathological injuries and disorders were well underpinned and illustrated by the changes of biomarkers and the expression of related marker genes in the gut-brain axis. Additionally, short-chain fatty acids (SCFA), as the regulators of intestinal sympathetic nerve activation, are also secreting products of intestinal microflora and play a crucial role in regulating the balance of intestinal flora and protecting intestinal homeostasis. SCFA in low doses can effectively alleviate and rescue the toxic effects under TCS exposure, which evidenced that TCS exerted systemic toxic effects on the gut-brain axis by influencing the composition and diversity of gut flora in zebrafish, and fully demonstrated the interaction effect between intestine and brain. Hence, these findings contribute to the understanding, prevention, and diagnosis of endocrine disrupting diseases caused by environmental pollutants from the perspective of the gut-brain axis, and strengthening the early warning, management and control of TCS pollution.
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Affiliation(s)
- Yang Wang
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jie Song
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xuedong Wang
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Qiuhui Qian
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.
| | - Huili Wang
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.
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Santos D, Luzio A, Félix L, Cabecinha E, Bellas J, Monteiro SM. Microplastics and copper induce apoptosis, alter neurocircuits, and cause behavioral changes in zebrafish (Danio rerio) brain. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 242:113926. [PMID: 35930835 DOI: 10.1016/j.ecoenv.2022.113926] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/30/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
The knowledge regarding the neurological and behavioral toxic effects associated with microplastics (MPs) and heavy metals exposure is still scarce. The present study aimed to evaluate the potential chronic (30 days) toxic effects of MPs (2 mg/L) and copper (Cu, 25 µg/L), alone or combined, in the zebrafish (Danio rerio) brain antioxidant system, cell proliferation/death, cholinergic-, serotonergic- and dopaminergic pathways and, consequently, in locomotor, anxiety, and social behaviors. Our findings showed that MPs and Cu exposure modulated the antioxidant system of zebrafish brain, with superoxide dismutase (SOD) and glutathione reductase (GR) having higher activity in the Cu25 +MPs group, but glutathione peroxidase (GPx) being inhibited in MPs, Cu25 and Cu25 +MPs. Moreover, an increase in acetylcholinesterase (AChE) activity was observed in all exposed groups. When considering neurogenesis genes, a downregulation of proliferating cell nuclear antigen (pcna) was noticed in zebrafish exposed to the mixture treatment, while for dopaminergic system-related genes (th and slc6a3) an upregulation was observed in MPs, Cu25 and Cu25 +MPs groups. An increase in apoptosis-related genes expression (casp8, casp9 and casp3) was observed in the MPs exposed group. Changes in zebrafish behavior, particularly in mean speed, total distance moved, inactivity in the aquaria, and social/shoaling behavior was also observed in the MPs and Cu exposed groups. Overall, our results highlight the multiplicity of toxic effects of MPs, alone or combined with Cu, in zebrafish brain, namely apoptosis and alterations in adult neurogenesis, neurocircuits and, consequently, behavior.
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Affiliation(s)
- Dércia Santos
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB and Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, Quinta de Prados, Vila Real 5000-801, Portugal; University of Trás-os-Montes and Alto Douro, Quinta de Prados, Vila Real 5000-801, Portugal.
| | - Ana Luzio
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB and Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, Quinta de Prados, Vila Real 5000-801, Portugal; University of Trás-os-Montes and Alto Douro, Quinta de Prados, Vila Real 5000-801, Portugal
| | - Luís Félix
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB and Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, Quinta de Prados, Vila Real 5000-801, Portugal; University of Trás-os-Montes and Alto Douro, Quinta de Prados, Vila Real 5000-801, Portugal
| | - Edna Cabecinha
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB and Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, Quinta de Prados, Vila Real 5000-801, Portugal; University of Trás-os-Montes and Alto Douro, Quinta de Prados, Vila Real 5000-801, Portugal
| | - Juan Bellas
- Centro Oceanográfico de Vigo, Instituto Español de Oceanografía, IEO-CSIC, Subida a Radio Faro 50, Vigo 36390, Spain
| | - Sandra M Monteiro
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB and Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, Quinta de Prados, Vila Real 5000-801, Portugal; University of Trás-os-Montes and Alto Douro, Quinta de Prados, Vila Real 5000-801, Portugal
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Lucon-Xiccato T, Montalbano G, Frigato E, Loosli F, Foulkes NS, Bertolucci C. Medaka as a model for seasonal plasticity: Photoperiod-mediated changes in behaviour, cognition, and hormones. Horm Behav 2022; 145:105244. [PMID: 35988451 DOI: 10.1016/j.yhbeh.2022.105244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 06/02/2022] [Accepted: 08/08/2022] [Indexed: 11/25/2022]
Abstract
Teleosts display the highest level of brain plasticity of all vertebrates. Yet we still know little about how seasonality affects fish behaviour and the underlying cognitive mechanisms since the common neurobehavioral fish models are native to tropical environments where seasonal variation is absent or reduced. The medaka, Oryzias latipes, which inhabits temperate zone habitats, represents a promising model in this context given its large phenotypic changes associated with seasonality and the possibility to induce seasonal plasticity by only manipulating photoperiod. Here, we report the first extended investigation of seasonal plasticity in medaka behaviour and cognition, as well as the potential underlying molecular mechanisms. We compared medaka exposed to summer photoperiod (16 h light:8 h dark) with medaka exposed to winter photoperiod (8 h light:16 h dark), and detected substantial differences. Medaka were more active and less social in summer photoperiod conditions, two effects that emerged in the second half of an open-field and a sociability test, respectively, and might be at least in part related to habituation to the testing apparatus. Moreover, the cognitive phenotype was significantly affected: in the early response to a social stimulus, brain functional lateralisation shifted between the two hemispheres under the two photoperiod conditions, and inhibitory and discrimination learning performance were reduced in summer conditions. Finally, the expression of genes encoding key pituitary hormones, tshß and gh, and of the tshß regulatory transcription factor tef in the brain was increased in summer photoperiod conditions. This work reveals remarkable behavioural and cognitive phenotypic plasticity in response to photoperiod in medaka, and suggests a potential regulatory role for the same hormones involved in seasonal plasticity of other vertebrates.
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Affiliation(s)
- Tyrone Lucon-Xiccato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Giulia Montalbano
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Elena Frigato
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Felix Loosli
- Institute of Biological and Chemical Systems, Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
| | - Nicholas S Foulkes
- Institute of Biological and Chemical Systems, Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
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Rajput N, Parikh K, Kenney JW. Beyond bold versus shy: Zebrafish exploratory behavior falls into several behavioral clusters and is influenced by strain and sex. Biol Open 2022; 11:276471. [PMID: 36039864 PMCID: PMC9450886 DOI: 10.1242/bio.059443] [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: 05/17/2022] [Accepted: 08/01/2022] [Indexed: 11/21/2022] Open
Abstract
Individual differences in exploratory behavior have been found across a range of taxa and are thought to contribute to evolutionary fitness. Animals that explore more of a novel environment and visit areas of high predation risk are considered bold, whereas animals with the opposite behavioral pattern are shy. Here, we determined whether this bimodal characterization of bold versus shy adequately captures the breadth of behavioral variation in zebrafish or if there are more than these two subtypes. To identify behavioral categories, we applied unsupervised machine to three-dimensional swim traces from over 400 adult zebrafish across four strains (AB, TL, TU, and WIK) and both sexes. We found that behavior stratified into four distinct clusters: previously described bold and shy behavior and two new behavioral types we call wall-huggers and active explorers. Clusters were stable across time and influenced by strain and sex where we found that TLs were shy, female TU fish were bold, male TU fish were active explorers, and male ABs were wall-huggers. Our work suggests that zebrafish exploratory behavior has greater complexity than previously recognized and lays the groundwork for the use of zebrafish in understanding the biological basis of individual differences in behavior. Summary: Prior work described individual differences in zebrafish exploratory behavior as bold or shy. Here, we find four categories better describe their behavior: bold, shy, active explorers, and wall-huggers.
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Affiliation(s)
- Neha Rajput
- Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Kush Parikh
- Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Justin W Kenney
- Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA
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Influence of acute and unpredictable chronic stress on spatio-temporal dynamics of exploratory activity in zebrafish with emphasis on homebase-related behaviors. Behav Brain Res 2022; 435:114034. [DOI: 10.1016/j.bbr.2022.114034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/21/2022] [Accepted: 07/28/2022] [Indexed: 11/20/2022]
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Shenoy A, Banerjee M, Upadhya A, Bagwe-Parab S, Kaur G. The Brilliance of the Zebrafish Model: Perception on Behavior and Alzheimer’s Disease. Front Behav Neurosci 2022; 16:861155. [PMID: 35769627 PMCID: PMC9234549 DOI: 10.3389/fnbeh.2022.861155] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/21/2022] [Indexed: 11/25/2022] Open
Abstract
Alzheimer’s disease (AD) has become increasingly prevalent in the elderly population across the world. It’s pathophysiological markers such as overproduction along with the accumulation of amyloid beta (Aβ) plaques and neurofibrillary tangles (NFT) are posing a serious challenge to novel drug development processes. A model which simulates the human neurodegenerative mechanism will be beneficial for rapid screening of potential drug candidates. Due to the comparable neurological network with humans, zebrafish has emerged as a promising AD model. This model has been thoroughly validated through research in aspects of neuronal pathways analogous to the human brain. The cholinergic, glutamatergic, and GABAergic pathways, which play a role in the manifested behavior of the zebrafish, are well defined. There are several behavioral models in both adult zebrafish and larvae to establish various aspects of cognitive impairment including spatial memory, associative memory, anxiety, and other such features that are manifested in AD. The zebrafish model eliminates the shortcomings of previously recognized mammalian models, in terms of expense, extensive assessment durations, and the complexity of imaging the brain to test the efficacy of therapeutic interventions. This review highlights the various models that analyze the changes in the normal behavioral patterns of the zebrafish when exposed to AD inducing agents. The mechanistic pathway adopted by drugs and novel therapeutic strategies can be explored via these behavioral models and their efficacy to slow the progression of AD can be evaluated.
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40
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41
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Vossen LE, Brunberg R, Rådén P, Winberg S, Roman E. The zebrafish Multivariate Concentric Square Field: A Standardized Test for Behavioral Profiling of Zebrafish (Danio rerio). Front Behav Neurosci 2022; 16:744533. [PMID: 35368300 PMCID: PMC8968638 DOI: 10.3389/fnbeh.2022.744533] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
The zebrafish (Danio rerio) is an important model organism in the study of the neurobiological basis of human mental disorders. Yet the utility of this species is limited by the quality of the phenotypical characterization tools available. Here, we present a complex testing environment for the quantification of explorative behavior in adult zebrafish, the zebrafish Multivariate Concentric Square Field™ (zMCSF), adapted from the rodent equivalent that has been used in > 40 studies. The apparatus consists of a central open area which is surrounded by a dark corner with a roof (DCR), corridors, and an inclined ramp. These areas differ in illumination, water depth, and are sheltered or exposed to different degrees. We quantified behavior of male and female wild-caught and AB strain zebrafish in the zMCSF (day 1) and cross-validated these results using the novel tank diving test (NTDT) (day 2). To assess the effect of repeated testing, AB zebrafish we tested a second time in both tests 1 week later (on days 7 and 8). We detected strong differences between the strains, with wild zebrafish swimming faster and spending more time in the corridors and on the ramp, while they avoided the open area in the center. AB zebrafish were less hesitant to enter the center but avoided the ramp, and often left one or more zones unexplored. No major sex differences in exploratory behavior were detected in either strain, except for a slightly higher velocity of AB males which has been reported before. Importantly, the zMCSF was largely resilient to repeated testing. The diving test revealed only one difference confined to one sex; wild females paid more visits to the top third than AB females. In isolation, this finding could lead to the conclusion that wild zebrafish are more risk-taking, which is incorrect given this strain’s avoidance of open areas. To conclude, our results suggest that the zMCSF presents a sophisticated behavioral tool that can distinguish between different magnitudes and types of risk, allowing the user to create an intricate behavioral profile of individual adult zebrafish.
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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
- *Correspondence: Laura E. Vossen,
| | - 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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Sommer-Trembo C, Oliver C, Wolf L, Garcia C, Salzburger W. Does the presence of conspecifics facilitate exploratory behaviour in a cichlid fish (Etroplus suratensis)? BEHAVIOUR 2022. [DOI: 10.1163/1568539x-bja10156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
Animals confronted with any kind of novelty show behavioural responses driven by avoidance and exploration. The expression of both tendencies is modulated by anxiety. Especially in group-living animals, the presence of conspecifics can reduce anxiety in novel situations and hence increase exploratory tendency. Such intensified behavioural responses triggered by the social environment of an individual are called social facilitation. Here, we tested for social facilitation on the exploratory tendency of group-living juvenile Green chromide cichlid fish (Etroplus suratensis) by assessing each individual twice in an open field test: once alone and once together with a conspecific. Contrary to our expectations, we found no difference in exploratory behaviour between the groups. However, our results suggest that changes in exploratory tendency across the two treatments were highly individual, both in extent and direction, and are likely driven by the presence of the conspecific and the focal individual’s own behavioural type.
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Affiliation(s)
- C. Sommer-Trembo
- Department of Environmental Sciences, Zoological Institute, University of Basel, Basel, Switzerland
| | - C. Oliver
- Department of Environmental Sciences, Zoological Institute, University of Basel, Basel, Switzerland
| | - L. Wolf
- Department of Environmental Sciences, Zoological Institute, University of Basel, Basel, Switzerland
| | - C. Garcia
- Department of Environmental Sciences, Zoological Institute, University of Basel, Basel, Switzerland
| | - W. Salzburger
- Department of Environmental Sciences, Zoological Institute, University of Basel, Basel, Switzerland
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Menegasso AS, Fortuna M, Soares SM, Maffi VC, Mozzato MT, Barcellos LJG, Rossato-Grando LG. Embryonic exposure to genistein induces anxiolytic and antisocial behavior in zebrafish: persistent effects until the adult stage. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:8957-8969. [PMID: 34498194 DOI: 10.1007/s11356-021-16324-w] [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: 03/31/2021] [Accepted: 08/30/2021] [Indexed: 06/13/2023]
Abstract
Genistein is a phytoestrogen, which is structurally similar to 17β-estradiol. It is present in plants, food, and as a contaminant in effluents. In this article, we demonstrate the effects of embryonic exposure to three different concentrations of genistein (10 μg/L, 40 μg/L, and 80 μg/L) which is similar to those found in effluents. Zebrafish eggs were exposed during the first 72 h post-fertilization (hpf). Heart rate was evaluated at 48 hpf and mortality rate was assessed during the first 72 hpf. The light/dark (LDT) and open field (OFT) behavioral tests were applied to the larvae (6 dpf), and the novel tank (NTT), social preference (SPT), light-dark (LDT), and sexing tests were performed on adult fish (90 dpf). Embryonic exposure to genistein caused anxiolytic-like behavior in both larvae and adult animals. In adult stage, we observed an increase in locomotor activity and antisocial behavior in the concentration of 40 μg/L. There was an increase in the mortality rate in all concentrations when compared to the control and an increase in heart rate at the concentration of 80 μg/L. Exposure to 10 μg/L generated a higher frequency of females when compared to the control group. Our results show that exposure to genistein during the embryonic phase brings damage in the short and long term as it increases the mortality rate and leads to behavioral disorders both in the larval stage, with perpetuation until adult stage. The anxiolytic-like effect and less social interaction are effects that harm fish survival.
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Affiliation(s)
- Aloma Santin Menegasso
- Programa de Pós-graduação em Bioexperimentação, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Milena Fortuna
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Suelen Mendonça Soares
- Programa de Pós-graduação em Bioexperimentação, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
- Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Victoria Costa Maffi
- Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Mateus Timbola Mozzato
- Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Leonardo José Gil Barcellos
- Programa de Pós-graduação em Bioexperimentação, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
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Imaginary worlds are attractive because they simulate multiple adaptive problems and encode real-world information. Behav Brain Sci 2022; 45:e301. [DOI: 10.1017/s0140525x21002399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
Organisms don't explore for exploration's sake: exploratory psychology is regulated by inputs from multiple adaptations dedicated to processing information from different domains of ancestral adaptive relevance. As holistic representations of environments, imaginary worlds simulate multiple adaptive problems, solutions, and outcomes, thereby engaging numerous emotional systems and providing potentially useful information. Their popularity is thus best understood in terms of the full spectrum of information domains they comprise.
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45
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de Abreu MS, Costa F, Giacomini ACVV, Demin KA, Zabegalov KN, Maslov GO, Kositsyn YM, Petersen EV, Strekalova T, Rosemberg DB, Kalueff AV. Towards Modeling Anhedonia and Its Treatment in Zebrafish. Int J Neuropsychopharmacol 2021; 25:293-306. [PMID: 34918075 PMCID: PMC9017771 DOI: 10.1093/ijnp/pyab092] [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: 07/09/2021] [Revised: 11/11/2021] [Accepted: 12/14/2021] [Indexed: 11/14/2022] Open
Abstract
Mood disorders, especially depression, are a major cause of human disability. The loss of pleasure (anhedonia) is a common, severely debilitating symptom of clinical depression. Experimental animal models are widely used to better understand depression pathogenesis and to develop novel antidepressant therapies. In rodents, various experimental models of anhedonia have already been developed and extensively validated. Complementing rodent studies, the zebrafish (Danio rerio) is emerging as a powerful model organism to assess pathobiological mechanisms of affective disorders, including depression. Here, we critically discuss the potential of zebrafish for modeling anhedonia and studying its molecular mechanisms and translational implications.
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Affiliation(s)
- Murilo S de Abreu
- School of Pharmacy, Southwest University, Chongqing, China,Bioscience Institute, University of Passo Fundo, Passo Fundo, RS, Brazil,Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Fabiano Costa
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Natural and Exact Sciences Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Ana C V V Giacomini
- Bioscience Institute, University of Passo Fundo, Passo Fundo, RS, Brazil,Graduate Program in Environmental Sciences, University of Passo Fundo, Passo Fundo, RS, Brazil
| | - Konstantin A Demin
- Drug Screening Platform, School of Pharmacy, Southwest University, Chongqing, China,Ural Federal University, Ekaterinburg, Russia,Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia
| | | | - Gleb O Maslov
- Ural Federal University, Ekaterinburg, Russia,Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
| | - Yuriy M Kositsyn
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
| | - Elena V Petersen
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Tatiana Strekalova
- Department of Preventive Medicine, Maastricht Medical Center Annadal, Maastricht, Netherlands,Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, University of Maastricht, Maasticht, the Netherlands,Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov 1st Moscow State Medical University, Moscow, Russia,Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Denis B Rosemberg
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Natural and Exact Sciences Center, Federal University of Santa Maria, Santa Maria, Brazil,Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China,Drug Screening Platform, School of Pharmacy, Southwest University, Chongqing, China,Ural Federal University, Ekaterinburg, Russia,Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia,Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia,Novosibirsk State University, Novosibisk, Russia,Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, Russia,Correspondence: Allan V. Kalueff, PhD, School of Pharmacy, Southwest University, Chongqing, China ()
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46
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Lee J, Kim DH, Park SJ, Jong HR, Jung JW, Jeon YJ, Park SR, Kim GY, Lee S. Involvement of the hypothalamic-pituitary-interrenal axis in the antistress activities of Tenebrio molitor Larvae in zebrafish. Appl Anim Behav Sci 2021. [DOI: 10.1016/j.applanim.2021.105487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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47
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Savaşçı BB, Lucon-Xiccato T, Bisazza A. Ontogeny and personality affect inhibitory control in guppies, Poecilia reticulata. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.08.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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48
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Alzualde A, Jaka O, Latino DARS, Alijevic O, Iturria I, de Mendoza JH, Pospisil P, Frentzel S, Peitsch MC, Hoeng J, Koshibu K. Effects of nicotinic acetylcholine receptor-activating alkaloids on anxiety-like behavior in zebrafish. J Nat Med 2021; 75:926-941. [PMID: 34264421 PMCID: PMC8397634 DOI: 10.1007/s11418-021-01544-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/24/2021] [Indexed: 12/16/2022]
Abstract
Alkaloids are a structurally complex group of natural products that have a diverse range of biological activities and significant therapeutic applications. In this study, we examined the acute, anxiolytic-like effects of nicotinic acetylcholine receptor (nAChR)-activating alkaloids with reported neuropharmacological effects but whose effects on anxiety are less well understood. Because α4β2 nAChRs can regulate anxiety, we first demonstrated the functional activities of alkaloids on these receptors in vitro. Their effects on anxiety-like behavior in zebrafish were then examined using the zebrafish novel tank test (NTT). The NTT is a relatively high-throughput behavioral paradigm that takes advantage of the natural tendency of fish to dive down when stressed or anxious. We report for the first time that cotinine, anatabine, and methylanatabine may suppress this anxiety-driven zebrafish behavior after a single 20-min treatment. Effective concentrations of these alkaloids were well above the concentrations naturally found in plants and the concentrations needed to induce anxiolytic-like effect by nicotine. These alkaloids showed good receptor interactions at the α4β2 nAChR agonist site as demonstrated by in vitro binding and in silico docking model, although somewhat weaker than that for nicotine. Minimal or no significant effect of other compounds may have been due to low bioavailability of these compounds in the brain, which is supported by the in silico prediction of blood-brain barrier permeability. Taken together, our findings indicate that nicotine, although not risk-free, is the most potent anxiolytic-like alkaloid tested in this study, and other natural alkaloids may regulate anxiety as well.
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Affiliation(s)
- Ainhoa Alzualde
- Biobide, Gipuzkoa Scientific & Technological Park, 20009 San Sebastian, Spain
| | - Oihane Jaka
- Biobide, Gipuzkoa Scientific & Technological Park, 20009 San Sebastian, Spain
| | | | - Omar Alijevic
- PMI R&D, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Iñaki Iturria
- Biobide, Gipuzkoa Scientific & Technological Park, 20009 San Sebastian, Spain
| | | | - Pavel Pospisil
- PMI R&D, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Stefan Frentzel
- PMI R&D, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Manuel C. Peitsch
- PMI R&D, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Julia Hoeng
- PMI R&D, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Kyoko Koshibu
- PMI R&D, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
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49
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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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50
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Lachowicz J, Niedziałek K, Rostkowska E, Szopa A, Świąder K, Szponar J, Serefko A. Zebrafish as an Animal Model for Testing Agents with Antidepressant Potential. Life (Basel) 2021; 11:life11080792. [PMID: 34440536 PMCID: PMC8401799 DOI: 10.3390/life11080792] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 08/01/2021] [Accepted: 08/03/2021] [Indexed: 12/28/2022] Open
Abstract
Depression is a serious mental disease that, according to statistics, affects 320 million people worldwide. Additionally, a current situation related to the COVID-19 pandemic has led to a significant deterioration of mental health in people around the world. So far, rodents have been treated as basic animal models used in studies on this disease, but in recent years, Danio rerio has emerged as a new organism that might serve well in preclinical experiments. Zebrafish have a lot of advantages, such as a quick reproductive cycle, transparent body during the early developmental stages, high genetic and physiological homology to humans, and low costs of maintenance. Here, we discuss the potential of the zebrafish model to be used in behavioral studies focused on testing agents with antidepressant potential.
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Affiliation(s)
- Joanna Lachowicz
- Student’s Scientific Circle at Laboratory of Preclinical Testing, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (J.L.); (K.N.)
| | - Karolina Niedziałek
- Student’s Scientific Circle at Laboratory of Preclinical Testing, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (J.L.); (K.N.)
| | | | - Aleksandra Szopa
- Laboratory of Preclinical Testing, Chair and Department of Applied and Social Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
- Correspondence: (A.S.); (A.S.)
| | - Katarzyna Świąder
- Chair and Department of Applied and Social Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland;
| | - Jarosław Szponar
- Clinical Department of Toxicology and Cardiology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland;
- Toxicology Clinic, Stefan Wyszyński Regional Specialist Hospital in Lublin, Al. Kraśnicka 100, 20-718 Lublin, Poland
| | - Anna Serefko
- Laboratory of Preclinical Testing, Chair and Department of Applied and Social Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
- Correspondence: (A.S.); (A.S.)
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