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Ilyin NP, Nabiullin AD, Kozlova AD, Kupriyanova OV, Shevyrin VA, Gloriozova T, Filimonov D, Lagunin A, Galstyan DS, Kolesnikova TO, Mor MS, Efimova EV, Poroikov V, Yenkoyan KB, de Abreu MS, Demin KA, Kalueff AV. Chronic Behavioral and Neurochemical Effects of Four Novel N-Benzyl-2-phenylethylamine Derivatives Recently Identified as "Psychoactive" in Adult Zebrafish Screens. ACS Chem Neurosci 2024; 15:2006-2017. [PMID: 38683969 DOI: 10.1021/acschemneuro.4c00017] [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: 05/02/2024] Open
Abstract
Potently affecting human and animal brain and behavior, hallucinogenic drugs have recently emerged as potentially promising agents in psychopharmacotherapy. Complementing laboratory rodents, the zebrafish (Danio rerio) is a powerful model organism for screening neuroactive drugs, including hallucinogens. Here, we tested four novel N-benzyl-2-phenylethylamine (NBPEA) derivatives with 2,4- and 3,4-dimethoxy substitutions in the phenethylamine moiety and the -F, -Cl, and -OCF3 substitutions in the ortho position of the phenyl ring of the N-benzyl moiety (34H-NBF, 34H-NBCl, 24H-NBOMe(F), and 34H-NBOMe(F)), assessing their behavioral and neurochemical effects following chronic 14 day treatment in adult zebrafish. While the novel tank test behavioral data indicate anxiolytic-like effects of 24H-NBOMe(F) and 34H-NBOMe(F), neurochemical analyses reveal reduced brain norepinephrine by all four drugs, and (except 34H-NBCl) - reduced dopamine and serotonin levels. We also found reduced turnover rates for all three brain monoamines but unaltered levels of their respective metabolites. Collectively, these findings further our understanding of complex central behavioral and neurochemical effects of chronically administered novel NBPEAs and highlight the potential of zebrafish as a model for preclinical screening of small psychoactive molecules.
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Affiliation(s)
- Nikita P Ilyin
- Almazov National Medical Research Centre, St. Petersburg 197341, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
| | - Arslan D Nabiullin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Anna D Kozlova
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
| | - Olga V Kupriyanova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
- Kazan State Medical University, Kazan 420012, Russia
| | - Vadim A Shevyrin
- Institute of Chemical Engineering, Ural Federal University, 19 Mira Str. ,Ekaterinburg 620002, Russia
| | - Tatyana Gloriozova
- Institute of Biomedical Chemistry, Pogodinskaya str., 10, bldg. 8 ,Moscow 119121, Russia
| | - Dmitry Filimonov
- Institute of Biomedical Chemistry, Pogodinskaya str., 10, bldg. 8 ,Moscow 119121, Russia
| | - Alexey Lagunin
- Institute of Biomedical Chemistry, Pogodinskaya str., 10, bldg. 8 ,Moscow 119121, Russia
| | - David S Galstyan
- Almazov National Medical Research Centre, St. Petersburg 197341, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
| | - Tatiana O Kolesnikova
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
- Neuroscience Laboratory, Cobrain Center, Yerevan State Medical University after Mkhitar Heratsi, Yerevan 0025, Armenia
| | - Mikael S Mor
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
| | - Evgeniya V Efimova
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
| | - Vladimir Poroikov
- Institute of Biomedical Chemistry, Pogodinskaya str., 10, bldg. 8 ,Moscow 119121, Russia
| | - Konstantin B Yenkoyan
- Neuroscience Laboratory, Cobrain Center, Yerevan State Medical University after Mkhitar Heratsi, Yerevan 0025, Armenia
- Biochemistry Department, Yerevan State Medical University after Mkhitar Heratsi, Yerevan 0025, Armenia
| | - Murilo S de Abreu
- Graduate Program in Health Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre 900050, Brazil
| | - Konstantin A Demin
- Almazov National Medical Research Centre, St. Petersburg 197341, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
| | - Allan V Kalueff
- Almazov National Medical Research Centre, St. Petersburg 197341, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
- Neurobiology Program, Sirius University of Science and Technology, Sochi 354340, Russia
- Suzhou Key Laboratory of Neurobiology and Cell Signalling, Department of Biological Sciences, School of Science, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
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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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Abresch H, Miller S, Bick K, Miller S. Draft genome of co-cultured Melainabacteria sp. 17Bon1m. Microbiol Resour Announc 2024; 13:e0100223. [PMID: 38206019 PMCID: PMC10868163 DOI: 10.1128/mra.01002-23] [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: 10/18/2023] [Accepted: 12/10/2023] [Indexed: 01/12/2024] Open
Abstract
We report the 7.6 Mb draft genome sequence of Melainabacteria sp. strain 17Bon1, which was sequenced from a co-culture with the diatom Rhopalodia gibba collected from the Clark Fork River in Bonita, MT.
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Affiliation(s)
- Heidi Abresch
- Division of Biological Sciences, University of Montana, Missoula, Montana, USA
| | - Sophia Miller
- Division of Biological Sciences, University of Montana, Missoula, Montana, USA
| | - Kathryn Bick
- Division of Biological Sciences, University of Montana, Missoula, Montana, USA
| | - Scott Miller
- Division of Biological Sciences, University of Montana, Missoula, Montana, USA
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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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Lu Z, Yuan X, Zhang C, Li S, Yang C, Wang Y. Draft genome sequence of the endophytic fungus Phoma sp. strain YAFEF320, isolated from Gerbera jamesonii. Microbiol Resour Announc 2024; 13:e0090723. [PMID: 38051074 DOI: 10.1128/mra.00907-23] [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: 09/25/2023] [Accepted: 11/15/2023] [Indexed: 12/07/2023] Open
Abstract
Here, we report a draft genome sequence of endophytic fungus Phoma sp. strain YAFEF320, isolated from the roots of Gerbera jamesonii. The genome size of Phoma sp. YAFEF320 was 32,542,820 bp with 52.08% GC content. The genome resource will support future research into potential secondary metabolite diversity of this fungus.
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Affiliation(s)
- Zhenhong Lu
- Flower Research Institute, Yunnan Academy of Agricultural Sciences , Kunming, Yunnan, China
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry and Grassland , Kunming, Yunnan, China
| | - Xiaolong Yuan
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry and Grassland , Kunming, Yunnan, China
| | - Chuanguang Zhang
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry and Grassland , Kunming, Yunnan, China
| | - Shenchong Li
- Flower Research Institute, Yunnan Academy of Agricultural Sciences , Kunming, Yunnan, China
| | - Chunmei Yang
- Flower Research Institute, Yunnan Academy of Agricultural Sciences , Kunming, Yunnan, China
| | - Yi Wang
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry and Grassland , Kunming, Yunnan, China
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Kiehl SM, Anderson R, Kinkel TL, Stenglein MD. Draft genome sequence of Planococcus sp. SK3692. Microbiol Resour Announc 2024; 13:e0054523. [PMID: 38117029 DOI: 10.1128/mra.00545-23] [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: 06/21/2023] [Accepted: 11/30/2023] [Indexed: 12/21/2023] Open
Abstract
Whole-genome sequencing was performed for a Planococcus sp. isolate. This bacterium was of interest because of its vibrant orange pigmentation.
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Affiliation(s)
- Sophie M Kiehl
- Department of Microbiology, Immunology and Pathology, Colorado State University , Fort Collins, USA
| | - Riley Anderson
- Department of Microbiology, Immunology and Pathology, Colorado State University , Fort Collins, USA
| | - Traci L Kinkel
- Department of Microbiology, Immunology and Pathology, Colorado State University , Fort Collins, USA
| | - Mark D Stenglein
- Department of Microbiology, Immunology and Pathology, Colorado State University , Fort Collins, USA
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Mostacci N, Wüthrich TM, Siegwald L, Kieser S, Steinberg R, Sakwinska O, Latzin P, Korten I, Hilty M. Informed interpretation of metagenomic data by StrainPhlAn enables strain retention analyses of the upper airway microbiome. mSystems 2023; 8:e0072423. [PMID: 37916972 PMCID: PMC10734448 DOI: 10.1128/msystems.00724-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/25/2023] [Indexed: 11/03/2023] Open
Abstract
IMPORTANCE The usage of 16S rRNA gene sequencing has become the state-of-the-art method for the characterization of the microbiota in health and respiratory disease. The method is reliable for low biomass samples due to prior amplification of the 16S rRNA gene but has limitations as species and certainly strain identification is not possible. However, the usage of metagenomic tools for the analyses of microbiome data from low biomass samples is not straight forward, and careful optimization is needed. In this work, we show that by validating StrainPhlAn 3 results with the data from bacterial cultures, the strain-level tracking of the respiratory microbiome is feasible despite the high content of host DNA being present when parameters are carefully optimized to fit low biomass microbiomes. This work further proposes that strain retention analyses are feasible, at least for more abundant species. This will help to better understand the longitudinal dynamics of the upper respiratory microbiome during health and disease.
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Affiliation(s)
- Nadja Mostacci
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Tsering Monika Wüthrich
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
- Graduate School for Biomedical Science, University of Bern, Bern, Switzerland
| | - Léa Siegwald
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Silas Kieser
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Ruth Steinberg
- Graduate School for Biomedical Science, University of Bern, Bern, Switzerland
- Division of Respiratory Medicine, Department of Pediatrics, Inselspital, University of Bern, Bern, Switzerland
| | - Olga Sakwinska
- Nestlé Institute of Health Sciences, Nestlé Research, Société des Produits Nestlé S.A., Lausanne, Switzerland
| | - Philipp Latzin
- Division of Respiratory Medicine, Department of Pediatrics, Inselspital, University of Bern, Bern, Switzerland
| | - Insa Korten
- Division of Respiratory Medicine, Department of Pediatrics, Inselspital, University of Bern, Bern, Switzerland
| | - Markus Hilty
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
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Wei J, Yuan X, Geng Y, Bi W, Wang Y. Draft genome sequence of endolichenic fungus Dothichiza sp. strain YAFEF048, isolated from Usnea longissima on Haba Snow Mountain. Microbiol Resour Announc 2023; 12:e0101123. [PMID: 37971261 PMCID: PMC10720515 DOI: 10.1128/mra.01011-23] [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: 10/22/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023] Open
Abstract
In this study, we report a draft genome sequence of the endolichenic fungus Dothichiza sp. strain YAFEF048, isolated from the lichen Usnea longissima on Haba Snow Mountain. The genome resource will support future research into the endolichenic lifestyle and potential secondary metabolite diversity of this fungus.
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Affiliation(s)
- Jiansheng Wei
- Haba Snow Mountain Provincial Nature Reserve Management and Protection Bureau, Diqing, China
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry & Grassland, Kunming Yunnan, China
| | - Xiaolong Yuan
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry & Grassland, Kunming Yunnan, China
| | - Yunfen Geng
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry & Grassland, Kunming Yunnan, China
| | - Wei Bi
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry & Grassland, Kunming Yunnan, China
| | - Yi Wang
- Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry & Grassland, Kunming Yunnan, China
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Hubená P, Horký P, Grabic R, Grabicová K, Douda K, Slavík O, Randák T. Aggression repeatability in stressed fish in response to an environmental concentration of sertraline and lunar cycle as evidenced by brain metabolomics. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 264:106707. [PMID: 37806025 DOI: 10.1016/j.aquatox.2023.106707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/18/2023] [Accepted: 09/24/2023] [Indexed: 10/10/2023]
Abstract
Sertraline is an environmental pollutant which received magnified scientific attention due to its global presence in waters. Adverse effects on feeding, reproduction and other traits were observed mostly in unstressed aquatic organisms. Chronic stress, however, induces significant physiological changes, and the effects of sertraline in stressed fish may differ from those observed in non-stressed individuals. The current laboratory study addresses this gap by repeatedly monitoring the individual aggression of chronically stressed juvenile chub (Squalius cephalus L.) using the non-reversing mirror test at an environmental sertraline concentration of 0.022 g/L every three to four days for a period of 39 days. Specifically, it was hypothesized that the level and repeatability of aggressiveness would be (i) correlated with the concentration of sertraline/norsertraline in the fish brain; (ii) linked to the individual brain metabolomic profile described by LC-HRMS analyses; (iii) related to the lunar cycle. Sertraline led to an increase in fish aggression and more repeatable/consistent behaviour compared to control fish. While the level of sertraline in the brain did not correlate with aggressiveness, aggressive responses increased with higher norsertraline concentration. The observed aggressive behaviour also varied depending on the individual metabolomic profile of the brain. The behavioural outcome and metabolic change in fish brain may indicate that sertraline has demonstrated neuroprotective effects by reducing cortisol release. It is possible that fish exposed to sertraline could suffer a blunted stress response under the chronic stressors in the wild. Aggressiveness of both treatments evolved in time, revealing a sinusoid-like pattern corresponding to a lunar cycle with a peak of the aggressiveness during the new moon. There is a need for future studies to focus on this relationship to reveal its details and general validity. Our results emphasize that long-term behavioural variability should generally be taken into account in laboratory behavioural studies.
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Affiliation(s)
- Pavla Hubená
- Czech University of Life Sciences Prague, Department of Zoology and Fisheries, Kamýcká 129, 165 00 Praha 6 Suchdol, Czech Republic; Uppsala University, Uppsala Biomedical Centre, Department of Medical Cell Biology, Husargatan 3, 751 23 Uppsala, Sweden.
| | - Pavel Horký
- Czech University of Life Sciences Prague, Department of Zoology and Fisheries, Kamýcká 129, 165 00 Praha 6 Suchdol, Czech Republic
| | - Roman Grabic
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 398 25 Vodňany, Czech Republic
| | - Kateřina Grabicová
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 398 25 Vodňany, Czech Republic
| | - Karel Douda
- Czech University of Life Sciences Prague, Department of Zoology and Fisheries, Kamýcká 129, 165 00 Praha 6 Suchdol, Czech Republic
| | - Ondřej Slavík
- Czech University of Life Sciences Prague, Department of Zoology and Fisheries, Kamýcká 129, 165 00 Praha 6 Suchdol, Czech Republic
| | - Tomáš Randák
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zátiší 728/II, 398 25 Vodňany, Czech Republic
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Gallas-Lopes M, Bastos LM, Benvenutti R, Panzenhagen AC, Piato A, Herrmann AP. Systematic review and meta-analysis of 10 years of unpredictable chronic stress in zebrafish. Lab Anim (NY) 2023; 52:229-246. [PMID: 37709998 DOI: 10.1038/s41684-023-01239-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 08/04/2023] [Indexed: 09/16/2023]
Abstract
The zebrafish (Danio rerio) is a model animal that is being increasingly used in neuroscience research. A decade ago, the first study on unpredictable chronic stress (UCS) in zebrafish was published, inspired by protocols established for rodents in the early 1980s. Since then, several studies have been published by different groups, in some cases with conflicting results. Here we conducted a systematic review to identify studies evaluating the effects of UCS in zebrafish and meta-analytically synthetized the data of neurobehavioral outcomes and relevant biomarkers. Literature searches were performed in three databases (PubMed, Scopus and Web of Science) with a two-step screening process based on inclusion/exclusion criteria. The included studies underwent extraction of qualitative and quantitative data, as well as risk-of-bias assessment. Outcomes of included studies (n = 38) were grouped into anxiety/fear-related behavior, locomotor function, social behavior or cortisol level domains. UCS increased anxiety/fear-related behavior and cortisol levels while decreasing locomotor function, but a significant summary effect was not observed for social behavior. Despite including a substantial number of studies, the high heterogeneity and the methodological and reporting problems evidenced in the risk-of-bias analysis made it difficult to assess the internal validity of most studies and the overall validity of the model. Our review thus evidences the need to conduct well-designed experiments to better evaluate the effects of UCS on diverse behavioral patterns displayed by zebrafish.
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Affiliation(s)
- Matheus Gallas-Lopes
- Brazilian Reproducibility Initiative in Preclinical Systematic Review and Meta-Analysis (BRISA) Collaboration, Rio de Janeiro, Brazil
- Laboratório de Neurobiologia e Psicofarmacologia Experimental (PsychoLab), Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Laboratório de Psicofarmacologia e Comportamento (LAPCOM), Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Leonardo M Bastos
- Laboratório de Neurobiologia e Psicofarmacologia Experimental (PsychoLab), Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Laboratório de Psicofarmacologia e Comportamento (LAPCOM), Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Radharani Benvenutti
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Alana C Panzenhagen
- Brazilian Reproducibility Initiative in Preclinical Systematic Review and Meta-Analysis (BRISA) Collaboration, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Angelo Piato
- Laboratório de Psicofarmacologia e Comportamento (LAPCOM), Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ana P Herrmann
- Brazilian Reproducibility Initiative in Preclinical Systematic Review and Meta-Analysis (BRISA) Collaboration, Rio de Janeiro, Brazil.
- Laboratório de Neurobiologia e Psicofarmacologia Experimental (PsychoLab), Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
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Carey ME, Dyson ZA, Ingle DJ, Amir A, Aworh MK, Chattaway MA, Chew KL, Crump JA, Feasey NA, Howden BP, Keddy KH, Maes M, Parry CM, Van Puyvelde S, Webb HE, Afolayan AO, Alexander AP, Anandan S, Andrews JR, Ashton PM, Basnyat B, Bavdekar A, Bogoch II, Clemens JD, da Silva KE, De A, de Ligt J, Diaz Guevara PL, Dolecek C, Dutta S, Ehlers MM, Francois Watkins L, Garrett DO, Godbole G, Gordon MA, Greenhill AR, Griffin C, Gupta M, Hendriksen RS, Heyderman RS, Hooda Y, Hormazabal JC, Ikhimiukor OO, Iqbal J, Jacob JJ, Jenkins C, Jinka DR, John J, Kang G, Kanteh A, Kapil A, Karkey A, Kariuki S, Kingsley RA, Koshy RM, Lauer AC, Levine MM, Lingegowda RK, Luby SP, Mackenzie GA, Mashe T, Msefula C, Mutreja A, Nagaraj G, Nagaraj S, Nair S, Naseri TK, Nimarota-Brown S, Njamkepo E, Okeke IN, Perumal SPB, Pollard AJ, Pragasam AK, Qadri F, Qamar FN, Rahman SIA, Rambocus SD, Rasko DA, Ray P, Robins-Browne R, Rongsen-Chandola T, Rutanga JP, Saha SK, Saha S, Saigal K, Sajib MSI, Seidman JC, Shakya J, Shamanna V, Shastri J, Shrestha R, Sia S, Sikorski MJ, Singh A, Smith AM, Tagg KA, Tamrakar D, Tanmoy AM, Thomas M, Thomas MS, Thomsen R, Thomson NR, Tupua S, Vaidya K, Valcanis M, Veeraraghavan B, Weill FX, Wright J, Dougan G, Argimón S, Keane JA, Aanensen DM, Baker S, Holt KE. Global diversity and antimicrobial resistance of typhoid fever pathogens: Insights from a meta-analysis of 13,000 Salmonella Typhi genomes. eLife 2023; 12:e85867. [PMID: 37697804 PMCID: PMC10506625 DOI: 10.7554/elife.85867] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 08/02/2023] [Indexed: 09/13/2023] Open
Abstract
Background The Global Typhoid Genomics Consortium was established to bring together the typhoid research community to aggregate and analyse Salmonella enterica serovar Typhi (Typhi) genomic data to inform public health action. This analysis, which marks 22 years since the publication of the first Typhi genome, represents the largest Typhi genome sequence collection to date (n=13,000). Methods This is a meta-analysis of global genotype and antimicrobial resistance (AMR) determinants extracted from previously sequenced genome data and analysed using consistent methods implemented in open analysis platforms GenoTyphi and Pathogenwatch. Results Compared with previous global snapshots, the data highlight that genotype 4.3.1 (H58) has not spread beyond Asia and Eastern/Southern Africa; in other regions, distinct genotypes dominate and have independently evolved AMR. Data gaps remain in many parts of the world, and we show the potential of travel-associated sequences to provide informal 'sentinel' surveillance for such locations. The data indicate that ciprofloxacin non-susceptibility (>1 resistance determinant) is widespread across geographies and genotypes, with high-level ciprofloxacin resistance (≥3 determinants) reaching 20% prevalence in South Asia. Extensively drug-resistant (XDR) typhoid has become dominant in Pakistan (70% in 2020) but has not yet become established elsewhere. Ceftriaxone resistance has emerged in eight non-XDR genotypes, including a ciprofloxacin-resistant lineage (4.3.1.2.1) in India. Azithromycin resistance mutations were detected at low prevalence in South Asia, including in two common ciprofloxacin-resistant genotypes. Conclusions The consortium's aim is to encourage continued data sharing and collaboration to monitor the emergence and global spread of AMR Typhi, and to inform decision-making around the introduction of typhoid conjugate vaccines (TCVs) and other prevention and control strategies. Funding No specific funding was awarded for this meta-analysis. Coordinators were supported by fellowships from the European Union (ZAD received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 845681), the Wellcome Trust (SB, Wellcome Trust Senior Fellowship), and the National Health and Medical Research Council (DJI is supported by an NHMRC Investigator Grant [GNT1195210]).
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Affiliation(s)
- Megan E Carey
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- IAVI, Chelsea & Westminster HospitalLondonUnited Kingdom
| | - Zoe A Dyson
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- Department of Infectious Diseases, Central Clinical School, Monash UniversityMelbourneAustralia
- Wellcome Sanger Institute, Wellcome Genome CampusHinxtonUnited Kingdom
| | - Danielle J Ingle
- Department of Microbiology and Immunology at the Peter Doherty Institute for Infection and Immunity, The University of MelbourneMelbourneAustralia
| | | | - Mabel K Aworh
- Nigeria Field Epidemiology and Laboratory Training ProgrammeAbujaNigeria
- College of Veterinary Medicine, North Carolina State UniversityRaleighUnited States
| | | | - Ka Lip Chew
- National University HospitalSingaporeSingapore
| | - John A Crump
- Centre for International Health, University of OtagoDunedinNew Zealand
| | - Nicholas A Feasey
- Department of Clinical Sciences, Liverpool School of Tropical MedicineLiverpoolUnited Kingdom
- Malawi-Liverpool Wellcome Programme, Kamuzu University of Health SciencesBlantyreMalawi
| | - Benjamin P Howden
- Centre for Pathogen Genomics, Department of Microbiology and Immunology, University of Melbourne at Doherty Institute for Infection and ImmunityMelbourneAustralia
- Microbiological Diagnostic Unit Public Health Laboratory, The University of Melbourne at the Peter Doherty Institute for Infection and ImmunityMelbourneAustralia
| | | | - Mailis Maes
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
| | - Christopher M Parry
- Department of Clinical Sciences, Liverpool School of Tropical MedicineLiverpoolUnited Kingdom
| | - Sandra Van Puyvelde
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
- University of AntwerpAntwerpBelgium
| | - Hattie E Webb
- Centers for Disease Control and PreventionAtlantaUnited States
| | - Ayorinde Oluwatobiloba Afolayan
- Global Health Research Unit (GHRU) for the Genomic Surveillance of Antimicrobial Resistance, Faculty of Pharmacy, University of IbadanIbadanNigeria
| | | | - Shalini Anandan
- Department of Clinical Microbiology, Christian Medical CollegeVelloreIndia
| | - Jason R Andrews
- Division of Infectious Diseases and Geographic Medicine, Stanford UniversityStanfordUnited States
| | - Philip M Ashton
- Malawi-Liverpool Wellcome ProgrammeBlantyreMalawi
- Institute of Infection, Veterinary and Ecological Sciences, University of LiverpoolLiverpoolUnited Kingdom
| | - Buddha Basnyat
- Oxford University Clinical Research Unit NepalKathmanduNepal
| | | | - Isaac I Bogoch
- Department of Medicine, Division of Infectious Diseases, University of TorontoTorontoCanada
| | - John D Clemens
- International Vaccine InstituteSeoulRepublic of Korea
- International Centre for Diarrhoeal Disease ResearchDhakaBangladesh
- UCLA Fielding School of Public HealthLos AngelesUnited States
- Korea UniversitySeoulRepublic of Korea
| | - Kesia Esther da Silva
- Division of Infectious Diseases and Geographic Medicine, Stanford UniversityStanfordUnited States
| | - Anuradha De
- Topiwala National Medical CollegeMumbaiIndia
| | - Joep de Ligt
- ESR, Institute of Environmental Science and Research Ltd., PoriruaWellingtonNew Zealand
| | | | - Christiane Dolecek
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of OxfordOxfordUnited Kingdom
- Mahidol Oxford Tropical Medicine Research Unit, Mahidol UniversityBangkokThailand
| | - Shanta Dutta
- ICMR - National Institute of Cholera & Enteric DiseasesKolkataIndia
| | - Marthie M Ehlers
- Department of Medical Microbiology, Faculty of Health Sciences, University of PretoriaPretoriaSouth Africa
- Department of Medical Microbiology, Tshwane Academic Division, National Health Laboratory ServicePretoriaSouth Africa
| | | | | | - Gauri Godbole
- United Kingdom Health Security AgencyLondonUnited Kingdom
| | - Melita A Gordon
- Institute of Infection, Veterinary and Ecological Sciences, University of LiverpoolLiverpoolUnited Kingdom
| | - Andrew R Greenhill
- Federation University AustraliaChurchillAustralia
- Papua New Guinea Institute of Medical ResearchGorokaPapua New Guinea
| | - Chelsey Griffin
- Centers for Disease Control and PreventionAtlantaUnited States
| | - Madhu Gupta
- Post Graduate Institute of Medical Education and ResearchChandigarhIndia
| | | | - Robert S Heyderman
- Research Department of Infection, Division of Infection and Immunity, University College LondonLondonUnited Kingdom
| | | | - Juan Carlos Hormazabal
- Bacteriologia, Subdepartamento de Enfermedades Infecciosas, Departamento de Laboratorio Biomedico, Instituto de Salud Publica de Chile (ISP)SantiagoChile
| | - Odion O Ikhimiukor
- Global Health Research Unit (GHRU) for the Genomic Surveillance of Antimicrobial Resistance, Faculty of Pharmacy, University of IbadanIbadanNigeria
| | - Junaid Iqbal
- Department of Pediatrics and Child Health, Aga Khan UniversityKarachiPakistan
| | - Jobin John Jacob
- Department of Clinical Microbiology, Christian Medical CollegeVelloreIndia
| | - Claire Jenkins
- United Kingdom Health Security AgencyLondonUnited Kingdom
| | | | - Jacob John
- Department of Community Health, Christian Medical CollegeVelloreIndia
| | - Gagandeep Kang
- Department of Community Health, Christian Medical CollegeVelloreIndia
| | - Abdoulie Kanteh
- Medical Research Council Unit The Gambia at London School Hygiene & Tropical MedicineFajaraGambia
| | - Arti Kapil
- All India Institute of Medical SciencesDelhiIndia
| | | | - Samuel Kariuki
- Centre for Microbiology Research, Kenya Medical Research InstituteNairobiKenya
| | | | | | - AC Lauer
- Centers for Disease Control and PreventionAtlantaUnited States
| | - Myron M Levine
- Center for Vaccine Development and Global Health (CVD), University of Maryland School of Medicine, Baltimore, Maryland, USABaltimoreUnited States
| | | | - Stephen P Luby
- Division of Infectious Diseases and Geographic Medicine, Stanford UniversityStanfordUnited States
| | - Grant Austin Mackenzie
- Medical Research Council Unit The Gambia at London School Hygiene & Tropical MedicineFajaraGambia
| | - Tapfumanei Mashe
- National Microbiology Reference LaboratoryHarareZimbabwe
- World Health OrganizationHarareZimbabwe
| | | | - Ankur Mutreja
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
| | - Geetha Nagaraj
- Central Research Laboratory, Kempegowda Institute of Medical SciencesBengaluruIndia
| | | | - Satheesh Nair
- United Kingdom Health Security AgencyLondonUnited Kingdom
| | | | | | | | - Iruka N Okeke
- Global Health Research Unit (GHRU) for the Genomic Surveillance of Antimicrobial Resistance, Faculty of Pharmacy, University of IbadanIbadanNigeria
| | | | - Andrew J Pollard
- Oxford Vaccine Group, Department of Paediatrics, University of OxfordOxfordUnited Kingdom
- The NIHR Oxford Biomedical Research CentreOxfordUnited Kingdom
| | | | - Firdausi Qadri
- International Centre for Diarrhoeal Disease ResearchDhakaBangladesh
| | - Farah N Qamar
- Department of Pediatrics and Child Health, Aga Khan UniversityKarachiPakistan
| | | | - Savitra Devi Rambocus
- Microbiological Diagnostic Unit Public Health Laboratory, The University of Melbourne at the Peter Doherty Institute for Infection and ImmunityMelbourneAustralia
| | - David A Rasko
- Department of Microbiology and Immunology, University of Maryland School of MedicineBaltimoreUnited States
- Institute for Genome Sciences, University of Maryland School of MedicineBaltimoreUnited States
| | - Pallab Ray
- Post Graduate Institute of Medical Education and ResearchChandigarhIndia
| | - Roy Robins-Browne
- Department of Microbiology and Immunology at the Peter Doherty Institute for Infection and Immunity, The University of MelbourneMelbourneAustralia
- Murdoch Children’s Research Institute, Royal Children’s HospitalParkvilleAustralia
| | | | | | | | | | | | - Mohammad Saiful Islam Sajib
- Child Health Research FoundationDhakaBangladesh
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of GlasgowGlasgowUnited Kingdom
| | | | - Jivan Shakya
- Dhulikhel HospitalDhulikhelNepal
- Institute for Research in Science and TechnologyKathmanduNepal
| | - Varun Shamanna
- Central Research Laboratory, Kempegowda Institute of Medical SciencesBengaluruIndia
| | - Jayanthi Shastri
- Topiwala National Medical CollegeMumbaiIndia
- Kasturba Hospital for Infectious DiseasesMumbaiIndia
| | - Rajeev Shrestha
- Center for Infectious Disease Research & Surveillance, Dhulikhel Hospital, Kathmandu University HospitalDhulikhelNepal
| | - Sonia Sia
- Research Institute for Tropical Medicine, Department of HealthMuntinlupa CityPhilippines
| | - Michael J Sikorski
- Center for Vaccine Development and Global Health (CVD), University of Maryland School of Medicine, Baltimore, Maryland, USABaltimoreUnited States
- Department of Microbiology and Immunology, University of Maryland School of MedicineBaltimoreUnited States
- Institute for Genome Sciences, University of Maryland School of MedicineBaltimoreUnited States
| | | | - Anthony M Smith
- Centre for Enteric Diseases, National Institute for Communicable DiseasesJohannesburgSouth Africa
| | - Kaitlin A Tagg
- Centers for Disease Control and PreventionAtlantaUnited States
| | - Dipesh Tamrakar
- Center for Infectious Disease Research & Surveillance, Dhulikhel Hospital, Kathmandu University HospitalDhulikhelNepal
| | | | - Maria Thomas
- Christian Medical College, LudhianaLudhianaIndia
| | | | | | | | - Siaosi Tupua
- Ministry of Health, Government of SamoaApiaSamoa
| | | | - Mary Valcanis
- Microbiological Diagnostic Unit Public Health Laboratory, The University of Melbourne at the Peter Doherty Institute for Infection and ImmunityMelbourneAustralia
| | | | | | - Jackie Wright
- ESR, Institute of Environmental Science and Research Ltd., PoriruaWellingtonNew Zealand
| | - Gordon Dougan
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
| | - Silvia Argimón
- Centre for Genomic Pathogen Surveillance, Big Data Institute, University of OxfordOxfordUnited Kingdom
| | - Jacqueline A Keane
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
| | - David M Aanensen
- Centre for Genomic Pathogen Surveillance, Big Data Institute, University of OxfordOxfordUnited Kingdom
| | - Stephen Baker
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), University of Cambridge School of Clinical Medicine, Cambridge Biomedical CampusCambridgeUnited Kingdom
- IAVI, Chelsea & Westminster HospitalLondonUnited Kingdom
| | - Kathryn E Holt
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- Department of Infectious Diseases, Central Clinical School, Monash UniversityMelbourneAustralia
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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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Byrne A, Bissonnette N, Ollier S, Tahlan K. Investigating in vivo Mycobacterium avium subsp. paratuberculosis microevolution and mixed strain infections. Microbiol Spectr 2023; 11:e0171623. [PMID: 37584606 PMCID: PMC10581078 DOI: 10.1128/spectrum.01716-23] [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: 04/28/2023] [Accepted: 07/10/2023] [Indexed: 08/17/2023] Open
Abstract
Mycobacterium avium subsp. paratuberculosis (MAP) causes Johne's Disease (JD) in ruminants, which is responsible for significant economic loss to the global dairy industry. Mixed strain infection (MSI) refers to the concurrent infection of a susceptible host with genetically distinct strains of a pathogen, whereas within-host changes in an infecting strain leading to genetically distinguishable progeny is called microevolution. The two processes can influence host-pathogen dynamics, disease progression and outcomes, but not much is known about their prevalence and impact on JD. Therefore, we obtained up to 10 MAP isolates each from 14 high-shedding animals and subjected them to whole-genome sequencing. Twelve of the 14 animals examined showed evidence for the presence of MSIs and microevolution, while the genotypes of MAP isolates from the remaining two animals could be attributed solely to microevolution. All MAP isolates that were otherwise isogenic had differences in short sequence repeats (SSRs), of which SSR1 and SSR2 were the most diverse and homoplastic. Variations in SSR1 and SSR2, which are located in ORF1 and ORF2, respectively, affect the genetic reading frame, leading to protein products with altered sequences and computed structures. The ORF1 gene product is predicted to be a MAP surface protein with possible roles in host immune modulation, but nothing could be inferred regarding the function of ORF2. Both genes are conserved in Mycobacterium avium complex members, but SSR1-based modulation of ORF1 reading frames seems to only occur in MAP, which could have potential implications on the infectivity of this pathogen. IMPORTANCE Johne's disease (JD) is a major problem in dairy animals, and concerns have been raised regarding the association of Mycobacterium avium subsp. paratuberculosis (MAP) with Crohn's disease in humans. MAP is an extremely slow-growing bacterium with low genome evolutionary rates. Certain short sequence repeats (SSR1 and SSR2) in the MAP chromosome are highly variable and evolve at a faster rate than the rest of the chromosome. In the current study, multiple MAP isolates with genetic variations such as single-nucleotide polymorphisms, and more noticeably, diverse SSRs, could simultaneously infect animals. Variations in SSR1 and SSR2 affect the products of the respective genes containing them. Since multiple MAP isolates can infect the same animal and the possibility that the pathogen undergoes further changes within the host due to unstable SSRs, this could provide a compensative mechanism for an otherwise slow-evolving pathogen to increase phenotypic diversity for overcoming host responses.
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Affiliation(s)
- Alexander Byrne
- Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada
| | - Nathalie Bissonnette
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, Sherbrooke, Quebec, Canada
| | - Séverine Ollier
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, Sherbrooke, Quebec, Canada
| | - Kapil Tahlan
- Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada
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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: 0] [Impact Index Per Article: 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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Pradhan LK, Sahoo PK, Sarangi P, Chauhan NR, Das SK. Suppression of Chronic Unpredictable Stress-Persuaded Increased Monoamine Oxidase Activity by Taurine Promotes Significant Neuroprotection in Zebrafish Brain. Neurochem Res 2023; 48:82-95. [PMID: 36001190 DOI: 10.1007/s11064-022-03724-8] [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: 06/17/2022] [Revised: 08/08/2022] [Accepted: 08/09/2022] [Indexed: 01/11/2023]
Abstract
Neuropsychiatric upshots following chronic exposure to unpredictable adverse stressors have been well documented in the literature. Considering the significant impact of chronic unpredictable stress (CUS), the literature is elusive regarding the neuroprotective efficacy of taurine against CUS-induced oxidative stress and chromatin condensation in the zebrafish brain. In this study, to ameliorate CUS-persuaded neurological outcomes, waterborne treatment of taurine as a prophylactic intervention was undertaken. Further, our approach also focused on the gross neurobehavioral response of zebrafish, oxidative stress indices and neuromorphology of the zebrafish brain following CUS exposure with taurine treatment. Because taurine provides significant neuroprotection against oxidative insult, the cytosolic level of monoamine oxidase (MAO) in the zebrafish brain following CUS exposure is worth investigating. Further, as heightened MAO activity is associated with augmented oxidative and chromatin condensation, the focus of this study was on whether taurine provides neuroprotection by downregulating MAO levels in the brain. Our findings show that CUS-persuaded altered neurobehavioral response was significantly rescued by taurine. Moreover, our findings firmly support the hypothesis that taurine acts as a radical neuroprotector by restoring glutathione biosynthesis in the zebrafish brain subsequent to CUS exposure. Additionally, the rising level of brain MAO following chronic exposure to CUS is ameliorated by taurine treatment. These findings strongly advocate the role of taurine as a natural MAO inhibitor through the neuroprotection it provides against CUS-instigated oxidative stress in zebrafish. However, the fundamental neuroprotective mechanism of such natural compounds needs to be elucidated to determine their neuroprotective efficacy against stress regimens.
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Affiliation(s)
- Lilesh Kumar Pradhan
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to Be University), Kalinga Nagar, Bhubaneswar, 751003, India
| | - Pradyumna Kumar Sahoo
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to Be University), Kalinga Nagar, Bhubaneswar, 751003, India
| | - Prerana Sarangi
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to Be University), Kalinga Nagar, Bhubaneswar, 751003, India
| | - Nishant Ranjan Chauhan
- Infectious Disease Biology Division, Institute of Life Sciences, Bhubaneswar, 751023, India
| | - Saroj Kumar Das
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to Be University), Kalinga Nagar, Bhubaneswar, 751003, India.
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Demin KA, Zabegalov KA, Kolesnikova TO, Galstyan DS, Kositsyn YMHB, Costa FV, de Abreu MS, Kalueff AV. Animal Inflammation-Based Models of Neuropsychiatric Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1411:91-104. [PMID: 36949307 DOI: 10.1007/978-981-19-7376-5_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
Mounting evidence links psychiatric disorders to central and systemic inflammation. Experimental (animal) models of psychiatric disorders are important tools for translational biopsychiatry research and CNS drug discovery. Current experimental models, most typically involving rodents, continue to reveal shared fundamental pathological pathways and biomarkers underlying the pathogenetic link between brain illnesses and neuroinflammation. Recent data also show that various proinflammatory factors can alter brain neurochemistry, modulating the levels of neurohormones and neurotrophins in neurons and microglia. The role of "active" glia in releasing a wide range of proinflammatory cytokines also implicates glial cells in various psychiatric disorders. Here, we discuss recent animal inflammation-related models of psychiatric disorders, focusing on their translational perspectives and the use of some novel promising model organisms (zebrafish), to better understand the evolutionally conservative role of inflammation in neuropsychiatric conditions.
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Affiliation(s)
- Konstantin A Demin
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | | | | | - David S Galstyan
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
| | - Yuriy M H B Kositsyn
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Fabiano V Costa
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
| | - Murilo S de Abreu
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Allan V Kalueff
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
- Laboratory of Preclinical Bioscreening, Granov Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, Pesochny, Russia
- Laboratory of Translational Biopsychiatry, Scientific Research Institute of Neuroscience and Medicine, Novosibirsk, Russia
- Ural Federal University, Ekaterinburg, Russia
- Novosibirsk State University, Novosibirsk, Russia
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Evolutionarily conserved gene expression patterns for affective disorders revealed using cross-species brain transcriptomic analyses in humans, rats and zebrafish. Sci Rep 2022; 12:20836. [PMID: 36460699 PMCID: PMC9718822 DOI: 10.1038/s41598-022-22688-x] [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: 06/20/2022] [Accepted: 10/18/2022] [Indexed: 12/03/2022] Open
Abstract
Widespread, debilitating and often treatment-resistant, depression and other stress-related neuropsychiatric disorders represent an urgent unmet biomedical and societal problem. Although animal models of these disorders are commonly used to study stress pathogenesis, they are often difficult to translate across species into valuable and meaningful clinically relevant data. To address this problem, here we utilized several cross-species/cross-taxon approaches to identify potential evolutionarily conserved differentially expressed genes and their sets. We also assessed enrichment of these genes for transcription factors DNA-binding sites down- and up- stream from their genetic sequences. For this, we compared our own RNA-seq brain transcriptomic data obtained from chronically stressed rats and zebrafish with publicly available human transcriptomic data for patients with major depression and their respective healthy control groups. Utilizing these data from the three species, we next analyzed their differential gene expression, gene set enrichment and protein-protein interaction networks, combined with validated tools for data pooling. This approach allowed us to identify several key brain proteins (GRIA1, DLG1, CDH1, THRB, PLCG2, NGEF, IKZF1 and FEZF2) as promising, evolutionarily conserved and shared affective 'hub' protein targets, as well as to propose a novel gene set that may be used to further study affective pathogenesis. Overall, these approaches may advance cross-species brain transcriptomic analyses, and call for further cross-species studies into putative shared molecular mechanisms of affective pathogenesis.
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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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Kositsyn YMHB, Volgin AD, de Abreu MS, Demin KA, Zabegalov KN, Maslov GO, Petersen EV, Kolesnikova TO, Strekalova T, Kalueff AV. Towards translational modeling of behavioral despair and its treatment in zebrafish. Behav Brain Res 2022; 430:113906. [PMID: 35489477 DOI: 10.1016/j.bbr.2022.113906] [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: 12/05/2021] [Revised: 04/03/2022] [Accepted: 04/24/2022] [Indexed: 11/26/2022]
Abstract
Depression is a widespread and severely debilitating neuropsychiatric disorder whose key clinical symptoms include low mood, anhedonia and despair (the inability or unwillingness to overcome stressors). Experimental animal models are widely used to improve our mechanistic understanding of depression pathogenesis, and to develop novel antidepressant therapies. In rodents, various experimental models of 'behavioral despair' have already been developed and rigorously validated. Complementing rodent studies, the zebrafish (Danio rerio) is emerging as a powerful model organism to assess pathobiological mechanisms of depression and other related affective disorders. Here, we critically discuss the developing potential and important translational implications of zebrafish models for studying despair and its mechanisms, and the utility of such aquatic models for antidepressant drug screening.
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Affiliation(s)
- Yuriy M H B Kositsyn
- School of Pharmacy, Southwest University, Chongqing, China; Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia; Sirius University of Science and Technology, Sochi, Russia
| | - Andrew D Volgin
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia; Sirius University of Science and Technology, Sochi, Russia
| | - Murilo S de Abreu
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia; Bioscience Institute, University of Passo Fundo, Passo Fundo, RS, Brazil; Sirius University of Science and Technology, Sochi, Russia.
| | - Konstantin A Demin
- Institute of Experimental Medicine, Almazov National Medcial Research Center, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia; Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia; Granov Russian Scientific Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia; Sirius University of Science and Technology, Sochi, Russia
| | | | - Gleb O Maslov
- Ural Federal University, Ekaterinburg, Russia; Sirius University of Science and Technology, Sochi, Russia
| | | | | | - Tatiana Strekalova
- University of Maastricht, Maastricht, Netherlands; Sirius University of Science and Technology, Sochi, Russia
| | - Allan V Kalueff
- Ural Federal University, Ekaterinburg, Russia; University of Maastricht, Maastricht, Netherlands; Sirius University of Science and Technology, Sochi, Russia.
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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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Pradhan LK, Sahoo PK, Chauhan NR, Das SK. Temporal exposure to chronic unpredictable stress induces precocious neurobehavioral deficits by distorting neuromorphology and glutathione biosynthesis in zebrafish brain. Behav Brain Res 2021; 418:113672. [PMID: 34785260 DOI: 10.1016/j.bbr.2021.113672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 12/14/2022]
Abstract
Modelling of chronic stress conditions in experimental animals and its neuropsychiatric outcomes has been well documented in literature. Zebrafish (Danio rerio) by exhibiting significant genetic and epidemiological similarities with human beings, has now emerged as a promising animal model of translational research. In this line, risk assessment following exposure to chronic unpredictable stress (CUS) towards neurobehavioral response and neuromorphology of sensitive brain region in zebrafish is the prime objective of the present study. With the existing knowledge on CUS in affecting diverse neurobehavioral aspects, we were primarily interested in whether this neurobehavioral transformation is an outcome of altered glutathione biosynthesis in zebrafish. We were also concerned about whether the precocious neurobehavioral transformation has been linked to altered neuromorphology in the periventricular grey zone (PGZ) of the zebrafish brain. Our basic findings showed that CUS itself represented as a universal factor in altering native bottom-dwelling and scototaxis behaviour of zebrafish. Our findings also backing the argument that CUS itself represented a collective stress regimen by altering the brain glutathione biosynthesis in zebrafish. Correspondingly, a temporal transformation in CUS instigated augmentation in neuronal pyknosis and chromatin condensation were observed in PGZ of the zebrafish brain. Collectively, these findings designate that CUS induced temporal neurobehavioral transformation is an outcome of augmented oxidative stress and neuromorphological alteration in the zebrafish brain. However, the underlying mechanism of such neuropathological manifestation associated with CUS might provide novel insight towards the development of prophylactic/therapeutic intervention to counter such co-morbid behavioral alteration.
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Affiliation(s)
- Lilesh Kumar Pradhan
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar 751003, India
| | - Pradyumna Kumar Sahoo
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar 751003, India
| | - Nishant Ranjan Chauhan
- Infectious Disease Biology Division, Institute of Life Sciences, Bhubaneswar 751023, India
| | - Saroj Kumar Das
- Neurobiology Laboratory, Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar 751003, India.
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Modulation of behavioral and neurochemical responses of adult zebrafish by fluoxetine, eicosapentaenoic acid and lipopolysaccharide in the prolonged chronic unpredictable stress model. Sci Rep 2021; 11:14289. [PMID: 34253753 PMCID: PMC8275758 DOI: 10.1038/s41598-021-92422-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/20/2021] [Indexed: 02/06/2023] Open
Abstract
Long-term recurrent stress is a common cause of neuropsychiatric disorders. Animal models are widely used to study the pathogenesis of stress-related psychiatric disorders. The zebrafish (Danio rerio) is emerging as a powerful tool to study chronic stress and its mechanisms. Here, we developed a prolonged 11-week chronic unpredictable stress (PCUS) model in zebrafish to more fully mimic chronic stress in human populations. We also examined behavioral and neurochemical alterations in zebrafish, and attempted to modulate these states by 3-week treatment with an antidepressant fluoxetine, a neuroprotective omega-3 polyunsaturated fatty acid eicosapentaenoic acid (EPA), a pro-inflammatory endotoxin lipopolysaccharide (LPS), and their combinations. Overall, PCUS induced severe anxiety and elevated norepinephrine levels, whereas fluoxetine (alone or combined with other agents) corrected most of these behavioral deficits. While EPA and LPS alone had little effects on the zebrafish PCUS-induced anxiety behavior, both fluoxetine (alone or in combination) and EPA restored norepinephrine levels, whereas LPS + EPA increased dopamine levels. As these data support the validity of PCUS as an effective tool to study stress-related pathologies in zebrafish, further research is needed into the ability of various conventional and novel treatments to modulate behavioral and neurochemical biomarkers of chronic stress in this model organism.
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