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Henry J, Bai Y, Kreuder F, Mawdsley D, Kaslin J, Wlodkowic D. Methods: A bioinformatic protocol for rapid analysis of zebrafish embryo photo-motory responses (PMR) in neurotoxicity testing. Comp Biochem Physiol C Toxicol Pharmacol 2024; 277:109833. [PMID: 38218564 DOI: 10.1016/j.cbpc.2024.109833] [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: 11/02/2023] [Revised: 12/05/2023] [Accepted: 01/08/2024] [Indexed: 01/15/2024]
Abstract
Chemobehavioural phenotyping presents unique opportunities for analyzing neurotoxicants and discovering behavior-modifying neuroceuticals in small aquatic model organisms such as zebrafish (Danio rerio). A recently popularized approach in this field involves the utilization of zebrafish embryos for a photo-motor response (PMR) bioassay. The PMR bioassay entails stimulating zebrafish embryos between 24 and 36 h post fertilization (hpf) with a high-intensity light stimulus, inducing a transient increase in the frequency of photo-induced embryo body flexions. These flexions can be computationally analyzed to derive behavioral signatures, enabling the categorization of neuromodulating chemicals. Despite the significant advantages of the PMR bioassay, its widespread implementation is hindered by lack of well described and straightforward high-throughput bioinformatic analysis of behavioral data. In this methods article, we present an easily implementable bioinformatics protocol specifically designed for rapid behavioral analysis of large cohorts of zebrafish specimens in PMR bioassays. We also address common pitfalls encountered during PMR analysis, discuss its limitations, and propose future directions for developing next-generation biometric analysis techniques in chemobehavioural assays utilizing zebrafish embryos.
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Affiliation(s)
- Jason Henry
- The Neurotoxicology Laboratory, School of Science, RMIT University, Melbourne, VIC 3083, Australia
| | - Yutao Bai
- The Neurotoxicology Laboratory, School of Science, RMIT University, Melbourne, VIC 3083, Australia
| | - Florian Kreuder
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - David Mawdsley
- Defence Science and Technology Group, Fishermans Bend, VIC 3207, Australia
| | - Jan Kaslin
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Donald Wlodkowic
- The Neurotoxicology Laboratory, School of Science, RMIT University, Melbourne, VIC 3083, Australia.
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2
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Audira G, Huang JC, Chen KHC, Kurnia KA, Vasquez RD, Roldan MJM, Lai YH, Hsiao CD, Yen CY. A comprehensive painkillers screening by assessing zebrafish behaviors after caudal fin amputation. Biomed Pharmacother 2023; 168:115641. [PMID: 37806085 DOI: 10.1016/j.biopha.2023.115641] [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: 07/05/2023] [Revised: 09/22/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023] Open
Abstract
Recently, the usage of zebrafish for pain studies has increased in the past years, especially due to its robust pain-stimulated behaviors. Fin amputation has been demonstrated to induce a noxious response in zebrafish. However, based on the prior study, although lidocaine, the most used painkiller in zebrafish, has been shown to ameliorate amputated zebrafish behaviors, it still causes some prolonged effects. Therefore, alternative painkillers are always needed to improve the treatment quality of fin-amputated zebrafish. Here, the effects of several analgesics in recovering zebrafish behaviors post-fin amputation were evaluated. From the results, five painkillers were found to have potentially beneficial effects on amputated fish behaviors. Overall, these results aligned with their binding energy level to target proteins of COX-1 and COX-2. Later, based on their sub-chronic effects on zebrafish survivability, indomethacin, and diclofenac were further studied. This combination showed a prominent effect in recovering zebrafish behaviors when administered orally or through waterborne exposure, even with lower concentrations. Next, based on the ELISA in zebrafish brain tissue, although some changes were found in the treated group, no statistical differences were observed in most of the tested biomarkers. However, since heatmap clustering showed a similar pattern between biochemical and behavior endpoints, the minor changes in each biomarker may be sufficient in changing the fish behaviors.
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Affiliation(s)
- Gilbert Audira
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Jong-Chin Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Kelvin H-C Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Kevin Adi Kurnia
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan 320314, Taiwan; Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan; Department of Chemistry, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Ross D Vasquez
- Department of Pharmacy, Research Center for Natural and Applied Sciences, University of Santo Tomas, Manila 1008, Philippines
| | - Marri Jmelou M Roldan
- Faculty of Pharmacy, The Graduate School, University of Santo Tomas, Manila 1008, Philippines
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan
| | - Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan 320314, Taiwan; Department of Chemistry, Chung Yuan Christian University, Taoyuan 320314, Taiwan; Center for Nanotechnology, Chung Yuan Christian University, Taoyuan 320314, Taiwan; Research Center for Aquatic Toxicology and Pharmacology, Chung Yuan Christian University, Taoyuan 320314, Taiwan.
| | - Cheng-Yo Yen
- Department of Orthopedics, E-Da Cancer Hospital, Kaohsiung, Taiwan; School of Medicine, College of Medicine, I-Shou University, No.1, E-Da Road, Yan-Chau District, 824, Kaohsiung, Taiwan.
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3
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Fin ray branching is defined by TRAP + osteolytic tubules in zebrafish. Proc Natl Acad Sci U S A 2022; 119:e2209231119. [PMID: 36417434 PMCID: PMC9889879 DOI: 10.1073/pnas.2209231119] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The shaping of bone structures relies on various cell types and signaling pathways. Here, we use the zebrafish bifurcating fin rays during regeneration to investigate bone patterning. We found that the regenerating fin rays form via two mineralization fronts that undergo an osteoblast-dependent fusion/stitching until the branchpoint, and that bifurcation is not simply the splitting of one unit into two. We identified tartrate-resistant acid phosphatase-positive osteolytic tubular structures at the branchpoints, hereafter named osteolytic tubules (OLTs). Chemical inhibition of their bone-resorbing activity strongly impairs ray bifurcation, indicating that OLTs counteract the stitching process. Furthermore, by testing different osteoactive compounds, we show that the position of the branchpoint depends on the balance between bone mineralization and resorption activities. Overall, these findings provide a unique perspective on fin ray formation and bifurcation, and reveal a key role for OLTs in defining the proximo-distal position of the branchpoint.
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4
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Zhou S, Liu Z, Kawakami A. A PI3Kγ signal regulates macrophage recruitment to injured tissue for regenerative cell survival. Dev Growth Differ 2022; 64:433-445. [PMID: 36101496 PMCID: PMC9826243 DOI: 10.1111/dgd.12809] [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: 06/13/2022] [Revised: 07/20/2022] [Accepted: 08/03/2022] [Indexed: 01/11/2023]
Abstract
The interaction between immune cells and injured tissues is crucial for regeneration. Previous studies have shown that macrophages attenuate inflammation caused by injuries to support the survival of primed regenerative cells. Macrophage loss in zebrafish mutants like cloche (clo) causes extensive apoptosis in the regenerative cells of the amputated larval fin fold. However, the mechanism of interaction between macrophage and injured tissue is poorly understood. Here, we show that a phosphoinositide 3-kinase gamma (PI3Kγ)-mediated signal is essential for recruiting macrophages to the injured tissue. PI3Kγ inhibition by the PI3Kγ-specific inhibitor, 5-quinoxalin-6-ylmethylene-thiazolidine-2,4-dione (AS605240 or AS), displayed a similar apoptosis phenotype with that observed in clo mutants. We further show that PI3Kγ function during the early regenerative stage is necessary for macrophage recruitment to the injured site. Additionally, protein kinase B (Akt) overexpression in the AS-treated larvae suggested that Akt is not the direct downstream mediator of PI3Kγ for macrophage recruitment, while it independently plays a role for the survival of regenerative cells. Together, our study reveals that PI3Kγ plays a role for recruiting macrophages in response to regeneration.
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Affiliation(s)
- Siyu Zhou
- School of Life Science and TechnologyTokyo Institute of TechnologyYokohamaJapan
| | - Zhengcheng Liu
- School of Life Science and TechnologyTokyo Institute of TechnologyYokohamaJapan
| | - Atsushi Kawakami
- School of Life Science and TechnologyTokyo Institute of TechnologyYokohamaJapan
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5
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Jackstadt MM, Chamberlain CA, Doonan SR, Shriver LP, Patti GJ. A multidimensional metabolomics workflow to image biodistribution and evaluate pharmacodynamics in adult zebrafish. Dis Model Mech 2022; 15:dmm049550. [PMID: 35972155 PMCID: PMC9411795 DOI: 10.1242/dmm.049550] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 07/13/2022] [Indexed: 12/16/2022] Open
Abstract
An integrated evaluation of the tissue distribution and pharmacodynamic properties of a therapeutic is essential for successful translation to the clinic. To date, however, cost-effective methods to measure these parameters at the systems level in model organisms are lacking. Here, we introduce a multidimensional workflow to evaluate drug activity that combines mass spectrometry-based imaging, absolute drug quantitation across different biological matrices, in vivo isotope tracing and global metabolome analysis in the adult zebrafish. As a proof of concept, we quantitatively determined the whole-body distribution of the anti-rheumatic agent hydroxychloroquine sulfate (HCQ) and measured the systemic metabolic impacts of drug treatment. We found that HCQ distributed to most organs in the adult zebrafish 24 h after addition of the drug to water, with the highest accumulation of both the drug and its metabolites being in the liver, intestine and kidney. Interestingly, HCQ treatment induced organ-specific alterations in metabolism. In the brain, for example, HCQ uniquely elevated pyruvate carboxylase activity to support increased synthesis of the neuronal metabolite, N-acetylaspartate. Taken together, this work validates a multidimensional metabolomics platform for evaluating the mode of action of a drug and its potential off-target effects in the adult zebrafish. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Madelyn M. Jackstadt
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO 63130, USA
- Department of Medicine, Washington University in St. Louis, St. Louis, MO 63110, USA
- Center for Metabolomics and Isotope Tracing, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Casey A. Chamberlain
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Steven R. Doonan
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Leah P. Shriver
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO 63130, USA
- Department of Medicine, Washington University in St. Louis, St. Louis, MO 63110, USA
- Center for Metabolomics and Isotope Tracing, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Gary J. Patti
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO 63130, USA
- Department of Medicine, Washington University in St. Louis, St. Louis, MO 63110, USA
- Center for Metabolomics and Isotope Tracing, Washington University in St. Louis, St. Louis, MO 63130, USA
- Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO 63110, USA
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6
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Sehring I, Weidinger G. Zebrafish Fin: Complex Molecular Interactions and Cellular Mechanisms Guiding Regeneration. Cold Spring Harb Perspect Biol 2022; 14:a040758. [PMID: 34649924 PMCID: PMC9248819 DOI: 10.1101/cshperspect.a040758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The zebrafish caudal fin has become a popular model to study cellular and molecular mechanisms of regeneration due to its high regenerative capacity, accessibility for experimental manipulations, and relatively simple anatomy. The formation of a regenerative epidermis and blastema are crucial initial events and tightly regulated. Both the regenerative epidermis and the blastema are highly organized structures containing distinct domains, and several signaling pathways regulate the formation and interaction of these domains. Bone is the major tissue regenerated from the progenitor cells of the blastema. Several cellular mechanisms can provide source cells for blastemal (pre-)osteoblasts, including dedifferentiation of differentiated osteoblasts and de novo formation from other cell types, providing intriguing examples of cellular plasticity. In recent years, omics analyses and single-cell approaches have elucidated genetic and epigenetic regulation, increasing our knowledge of the surprisingly complex coordination of various mechanisms to achieve successful restoration of a seemingly simple structure.
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Affiliation(s)
- Ivonne Sehring
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Gilbert Weidinger
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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7
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Hamilton CM, Winter MJ, Margiotta-Casaluci L, Owen SF, Tyler CR. Are synthetic glucocorticoids in the aquatic environment a risk to fish? ENVIRONMENT INTERNATIONAL 2022; 162:107163. [PMID: 35240385 DOI: 10.1016/j.envint.2022.107163] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 05/27/2023]
Abstract
The glucocorticosteroid, or glucocorticoid (GC), system is largely conserved across vertebrates and plays a central role in numerous vital physiological processes including bone development, immunomodulation, and modification of glucose metabolism and the induction of stress-related behaviours. As a result of their wide-ranging actions, synthetic GCs are widely prescribed for numerous human and veterinary therapeutic purposes and consequently have been detected extensively within the aquatic environment. Synthetic GCs designed for humans are pharmacologically active in non-mammalian vertebrates, including fish, however they are generally detected in surface waters at low (ng/L) concentrations. In this review, we assess the potential environmental risk of synthetic GCs to fish by comparing available experimental data and effect levels in fish with those in mammals. We found the majority of compounds were predicted to have insignificant risk to fish, however some compounds were predicted to be of moderate and high risk to fish, although the dataset of compounds used for this analysis was small. Given the common mode of action and high level of inter-species target conservation exhibited amongst the GCs, we also give due consideration to the potential for mixture effects, which may be particularly significant when considering the potential for environmental impact from this class of pharmaceuticals. Finally, we also provide recommendations for further research to more fully understand the potential environmental impact of this relatively understudied group of commonly prescribed human and veterinary drugs.
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Affiliation(s)
- Charles M Hamilton
- Biosciences, University of Exeter, Geoffrey Pope Building, Stocker Road, Exeter, Devon EX4 4QD, UK
| | - Matthew J Winter
- Biosciences, University of Exeter, Geoffrey Pope Building, Stocker Road, Exeter, Devon EX4 4QD, UK
| | - Luigi Margiotta-Casaluci
- Department of Analytical, Environmental & Forensic Sciences, School of Cancer & Pharmaceutical Sciences, King's College London, London SE1 9NH, UK
| | - Stewart F Owen
- AstraZeneca, Global Environment, Macclesfield, Cheshire SK10 2NA, UK
| | - Charles R Tyler
- Biosciences, University of Exeter, Geoffrey Pope Building, Stocker Road, Exeter, Devon EX4 4QD, UK.
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8
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Klatt Shaw D, Mokalled MH. Efficient CRISPR/Cas9 mutagenesis for neurobehavioral screening in adult zebrafish. G3-GENES GENOMES GENETICS 2021; 11:6179145. [PMID: 33742663 PMCID: PMC8496216 DOI: 10.1093/g3journal/jkab089] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 03/07/2021] [Indexed: 12/22/2022]
Abstract
Adult zebrafish are widely used to interrogate mechanisms of disease development and tissue regeneration. Yet, the prospect of large-scale genetics in adult zebrafish has traditionally faced a host of biological and technical challenges, including inaccessibility of adult tissues to high-throughput phenotyping and the spatial and technical demands of adult husbandry. Here, we describe an experimental pipeline that combines high-efficiency CRISPR/Cas9 mutagenesis with functional phenotypic screening to identify genes required for spinal cord repair in adult zebrafish. Using CRISPR/Cas9 dual-guide ribonucleic proteins, we show selective and combinatorial mutagenesis of 17 genes at 28 target sites with efficiencies exceeding 85% in adult F0 “crispants”. We find that capillary electrophoresis is a reliable method to measure indel frequencies. Using a quantifiable behavioral assay, we identify seven single- or duplicate-gene crispants with reduced functional recovery after spinal cord injury. To rule out off-target effects, we generate germline mutations that recapitulate the crispant regeneration phenotypes. This study provides a platform that combines high-efficiency somatic mutagenesis with a functional phenotypic readout to perform medium- to large-scale genetic studies in adult zebrafish.
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Affiliation(s)
- Dana Klatt Shaw
- Department of Developmental Biology, Washington University School of Medicine, Saint Louis, MO 63110, USA.,Center of Regenerative Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Mayssa H Mokalled
- Department of Developmental Biology, Washington University School of Medicine, Saint Louis, MO 63110, USA.,Center of Regenerative Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
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9
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Baddar NWAH, Dwaraka VB, Ponomareva LV, Thorson JS, Voss SR. Chemical genetics of regeneration: Contrasting temporal effects of CoCl
2
on axolotl tail regeneration. Dev Dyn 2021; 250:852-865. [DOI: 10.1002/dvdy.294] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 12/19/2020] [Indexed: 12/16/2022] Open
Affiliation(s)
- Nour W. Al Haj Baddar
- Department of Neuroscience, Spinal Cord and Brain Injury Research Center, and Ambystoma Genetic Stock Center University of Kentucky Lexington Kentucky USA
| | - Varun B. Dwaraka
- Department of Biology University of Kentucky Lexington Kentucky USA
| | - Larissa V. Ponomareva
- College of Pharmacy and Center for Pharmaceutical Research and Innovation University of Kentucky Lexington Kentucky USA
| | - Jon S. Thorson
- College of Pharmacy and Center for Pharmaceutical Research and Innovation University of Kentucky Lexington Kentucky USA
| | - S. Randal Voss
- Department of Neuroscience, Spinal Cord and Brain Injury Research Center, and Ambystoma Genetic Stock Center University of Kentucky Lexington Kentucky USA
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10
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Zanandrea R, Bonan CD, Campos MM. Zebrafish as a model for inflammation and drug discovery. Drug Discov Today 2020; 25:2201-2211. [PMID: 33035664 DOI: 10.1016/j.drudis.2020.09.036] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 08/17/2020] [Accepted: 09/30/2020] [Indexed: 12/24/2022]
Abstract
Zebrafish is a small teleost (bony) fish used in many areas of pharmacology and toxicology. This animal model has advantages for the discovery of anti-inflammatory drugs, such as the potential for real-time assessment of cell migration mechanisms. Additionally, zebrafish display a repertoire of inflammatory cells, mediators, and receptors that are similar to those in mammals, including humans. Inflammatory disease modeling in either larvae or adult zebrafish represents a promising tool for the screening of new anti-inflammatory compounds, contributing to our understanding of the mechanisms involved in chronic inflammatory conditions. In this review, we provide an overview of the characterization of inflammatory responses in zebrafish, emphasizing its relevance for drug discovery in this research area.
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Affiliation(s)
- Rodrigo Zanandrea
- Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Medicina, Programa de Pós-Graduação em Medicina e Ciências da Saúde, Porto Alegre, RS, Brazil; Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Ciências da Saúde e da Vida, Laboratório de Neuroquímica e Psicofarmacologia, Porto Alegre, RS, Brazil
| | - Carla D Bonan
- Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Medicina, Programa de Pós-Graduação em Medicina e Ciências da Saúde, Porto Alegre, RS, Brazil; Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Ciências da Saúde e da Vida, Laboratório de Neuroquímica e Psicofarmacologia, Porto Alegre, RS, Brazil; Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Ciências da Saúde e da Vida, Programa de Pós-Graduação em Biologia Celular e Molecular, Porto Alegre, RS, Brazil
| | - Maria M Campos
- Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Medicina, Programa de Pós-Graduação em Medicina e Ciências da Saúde, Porto Alegre, RS, Brazil; Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Ciências da Saúde e da Vida, Programa de Pós-Graduação em Biologia Celular e Molecular, Porto Alegre, RS, Brazil; Pontifícia Universidade Católica do Rio Grande do Sul, Escola de Ciências da Saúde e da Vida, Centro de Pesquisa em Toxicologia e Farmacologia, Porto Alegre, RS, Brazil.
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11
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Cavanah P, Itou J, Rusman Y, Tahara N, Williams JM, Salomon CE, Kawakami Y. A nontoxic fungal natural product modulates fin regeneration in zebrafish larvae upstream of FGF-WNT developmental signaling. Dev Dyn 2020; 250:160-174. [PMID: 32857425 DOI: 10.1002/dvdy.244] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND The regeneration of larvae zebrafish fin emerged as a new model of regeneration in the last decade. In contrast to genetic tools to study fin regeneration, chemical probes to modulate and interrogate regeneration processes are not well developed. RESULTS We set up a zebrafish larvae fin regeneration assay system and tested activities of natural product compounds and extracts, prepared from various microbes. Colomitide C, a recently isolated product from a fungus obtained from Antarctica, inhibited larvae fin regeneration. Using fluorescent reporter transgenic lines, we show that colomitide C inhibited fibroblast growth factor (FGF) signaling and WNT/β-catenin signaling, which were activated after larvae fin amputation. By using the endothelial cell reporter line and immunofluorescence, we showed that colomitide C did not affect migration of the blood vessel and nerve into the injured larvae fin. Colomitide C did not show any cytotoxic activities when tested against FGF receptor-amplified human cancer cell lines. CONCLUSION Colomitide C, a natural product, modulated larvae fin regeneration likely acting upstream of FGF and WNT signaling. Colomitide C may serve as a template for developing new chemical probes to study regeneration and other biological processes.
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Affiliation(s)
- Paul Cavanah
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, Minnesota, USA
| | - Junji Itou
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, Minnesota, USA.,Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota, USA.,Developmental Biology Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Yudi Rusman
- Center for Drug Design, University of Minnesota, Minneapolis, Minnesota, USA
| | - Naoyuki Tahara
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, Minnesota, USA.,Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota, USA.,Developmental Biology Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Jessica M Williams
- Center for Drug Design, University of Minnesota, Minneapolis, Minnesota, USA
| | - Christine E Salomon
- Center for Drug Design, University of Minnesota, Minneapolis, Minnesota, USA
| | - Yasuhiko Kawakami
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, Minnesota, USA.,Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota, USA.,Developmental Biology Center, University of Minnesota, Minneapolis, Minnesota, USA
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12
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Zhang T, Peterson RT. Modeling Lysosomal Storage Diseases in the Zebrafish. Front Mol Biosci 2020; 7:82. [PMID: 32435656 PMCID: PMC7218095 DOI: 10.3389/fmolb.2020.00082] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022] Open
Abstract
Lysosomal storage diseases (LSDs) are a family of 70 metabolic disorders characterized by mutations in lysosomal proteins that lead to storage material accumulation, multiple-organ pathologies that often involve neurodegeneration, and early mortality in a significant number of patients. Along with the necessity for more effective therapies, there exists an unmet need for further understanding of disease etiology, which could uncover novel pathways and drug targets. Over the past few decades, the growth in knowledge of disease-associated pathways has been facilitated by studies in model organisms, as advancements in mutagenesis techniques markedly improved the efficiency of model generation in mammalian and non-mammalian systems. In this review we highlight non-mammalian models of LSDs, focusing specifically on the zebrafish, a vertebrate model organism that shares remarkable genetic and metabolic similarities with mammals while also conferring unique advantages such as optical transparency and amenability toward high-throughput applications. We examine published zebrafish LSD models and their reported phenotypes, address organism-specific advantages and limitations, and discuss recent technological innovations that could provide potential solutions.
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Affiliation(s)
- T Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, United States
| | - R T Peterson
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, United States
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13
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Busse B, Galloway JL, Gray RS, Harris MP, Kwon RY. Zebrafish: An Emerging Model for Orthopedic Research. J Orthop Res 2020; 38:925-936. [PMID: 31773769 PMCID: PMC7162720 DOI: 10.1002/jor.24539] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 11/16/2019] [Indexed: 02/04/2023]
Abstract
Advances in next-generation sequencing have transformed our ability to identify genetic variants associated with clinical disorders of the musculoskeletal system. However, the means to functionally validate and analyze the physiological repercussions of genetic variation have lagged behind the rate of genetic discovery. The zebrafish provides an efficient model to leverage genetic analysis in an in vivo context. Its utility for orthopedic research is becoming evident in regard to both candidate gene validation as well as therapeutic discovery in tissues such as bone, tendon, muscle, and cartilage. With the development of new genetic and analytical tools to better assay aspects of skeletal tissue morphology, mineralization, composition, and biomechanics, researchers are emboldened to systematically approach how the skeleton develops and to identify the root causes, and potential treatments, of skeletal disease. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:925-936, 2020.
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Affiliation(s)
- Björn Busse
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 22529, Hamburg, Germany,all authors contributed equally to this work and are listed in alphabetical order
| | - Jenna L. Galloway
- Center for Regenerative Medicine, Harvard Stem Cell Institute, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, 185 Cambridge Street Boston, MA 02114, United States of America,all authors contributed equally to this work and are listed in alphabetical order
| | - Ryan S. Gray
- Department of Pediatrics, Dell Pediatric Research Institute, The University of Texas at Austin, Dell Medical School, Austin, Texas, United States of America,all authors contributed equally to this work and are listed in alphabetical order
| | - Matthew P. Harris
- Department of Genetics, Harvard Medical School; Department of Orthopedic Research, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA, 02115, United States of America.,all authors contributed equally to this work and are listed in alphabetical order
| | - Ronald Y. Kwon
- Department of Orthopaedics and Sports Medicine; Department of Mechanical Engineering; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, Washington, United States of America,all authors contributed equally to this work and are listed in alphabetical order
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14
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Mishra R, Sehring I, Cederlund M, Mulaw M, Weidinger G. NF-κB Signaling Negatively Regulates Osteoblast Dedifferentiation during Zebrafish Bone Regeneration. Dev Cell 2020; 52:167-182.e7. [DOI: 10.1016/j.devcel.2019.11.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 09/27/2019] [Accepted: 11/21/2019] [Indexed: 01/08/2023]
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15
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White DT, Saxena MT, Mumm JS. Let's get small (and smaller): Combining zebrafish and nanomedicine to advance neuroregenerative therapeutics. Adv Drug Deliv Rev 2019; 148:344-359. [PMID: 30769046 PMCID: PMC6937731 DOI: 10.1016/j.addr.2019.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 12/21/2018] [Accepted: 01/28/2019] [Indexed: 01/18/2023]
Abstract
Several key attributes of zebrafish make them an ideal model system for the discovery and development of regeneration promoting therapeutics; most notably their robust capacity for self-repair which extends to the central nervous system. Further, by enabling large-scale drug discovery directly in living vertebrate disease models, zebrafish circumvent critical bottlenecks which have driven drug development costs up. This review summarizes currently available zebrafish phenotypic screening platforms, HTS-ready neurodegenerative disease modeling strategies, zebrafish small molecule screens which have succeeded in identifying regeneration promoting compounds and explores how intravital imaging in zebrafish can facilitate comprehensive analysis of nanocarrier biodistribution and pharmacokinetics. Finally, we discuss the benefits and challenges attending the combination of zebrafish and nanoparticle-based drug optimization, highlighting inspiring proof-of-concept studies and looking toward implementation across the drug development community.
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Affiliation(s)
- David T White
- Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD 21231, USA
| | - Meera T Saxena
- Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD 21231, USA; Luminomics Inc., Baltimore, MD 21286, USA
| | - Jeff S Mumm
- Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD 21231, USA.
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16
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Developing zebrafish disease models for in vivo small molecule screens. Curr Opin Chem Biol 2019; 50:37-44. [PMID: 30928773 DOI: 10.1016/j.cbpa.2019.02.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 01/31/2019] [Accepted: 02/06/2019] [Indexed: 12/28/2022]
Abstract
The zebrafish is a model organism that allows in vivo studies to be performed at a scale usually restricted to in vitro studies. As such, the zebrafish is well suited to in vivo screens, in which thousands of small molecules are tested for their ability to modify disease phenotypes in zebrafish disease models. Numerous approaches have been developed for modeling human diseases in zebrafish, including mutagenesis, transgenesis, pharmacological approaches, wounding, and exposure to infectious or cancerous agents. We review the various strategies for modeling human diseases in zebrafish and discuss important considerations when developing zebrafish models for use in in vivo small molecule screens.
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17
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Sarasamma S, Lai YH, Liang ST, Liu K, Hsiao CD. The Power of Fish Models to Elucidate Skin Cancer Pathogenesis and Impact the Discovery of New Therapeutic Opportunities. Int J Mol Sci 2018; 19:E3929. [PMID: 30544544 PMCID: PMC6321611 DOI: 10.3390/ijms19123929] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 11/30/2018] [Accepted: 12/05/2018] [Indexed: 01/21/2023] Open
Abstract
Animal models play important roles in investigating the pathobiology of cancer, identifying relevant pathways, and developing novel therapeutic tools. Despite rapid progress in the understanding of disease mechanisms and technological advancement in drug discovery, negative trial outcomes are the most frequent incidences during a Phase III trial. Skin cancer is a potential life-threatening disease in humans and might be medically futile when tumors metastasize. This explains the low success rate of melanoma therapy amongst other malignancies. In the past decades, a number of skin cancer models in fish that showed a parallel development to the disease in humans have provided important insights into the fundamental biology of skin cancer and future treatment methods. With the diversity and breadth of advanced molecular genetic tools available in fish biology, fish skin cancer models will continue to be refined and expanded to keep pace with the rapid development of skin cancer research. This review begins with a brief introduction of molecular characteristics of skin cancers, followed by an overview of teleost models that have been used in the last decades in melanoma research. Next, we will detail the importance of the zebrafish (Danio rerio) animal model and other emerging fish models including platyfish (Xiphophorus sp.), and medaka (Oryzias latipes) in future cutaneous malignancy studies. The last part of this review provides the recent development and genome editing applications of skin cancer models in zebrafish and the progress in small molecule screening.
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Affiliation(s)
- Sreeja Sarasamma
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan.
| | - Sung-Tzu Liang
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
| | - Kechun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China.
| | - Chung-Der Hsiao
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
- Taiwan Center for Biomedical Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
- Center for Nanotechnology, Chung Yuan Christian University, Chung-Li 32023, Taiwan.
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18
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Geurtzen K, Knopf F. Adult Zebrafish Injury Models to Study the Effects of Prednisolone in Regenerating Bone Tissue. J Vis Exp 2018. [PMID: 30394396 DOI: 10.3791/58429] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Zebrafish are able to regenerate various organs, including appendages (fins) after amputation. This involves the regeneration of bone, which regrows within roughly two weeks after injury. Furthermore, zebrafish are able to heal bone rapidly after trepanation of the skull, and repair fractures that can be easily introduced into zebrafish bony fin rays. These injury assays represent feasible experimental paradigms to test the effect of administered drugs on rapidly forming bone. Here, we describe the use of these 3 injury models and their combined use with systemic glucocorticoid treatment, which exerts bone inhibitory and immunosuppressive effects. We provide a workflow on how to prepare for immunosuppressive treatment in adult zebrafish, illustrate how to perform fin amputation, trepanation of calvarial bones, and fin fractures, and describe how the use of glucocorticoids affects both bone forming osteoblasts and cells of the monocyte/macrophage lineage as part of innate immunity in bone tissue.
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Affiliation(s)
- Karina Geurtzen
- CRTD - Center for Regenerative Therapies Dresden, TU Dresden
| | - Franziska Knopf
- CRTD - Center for Regenerative Therapies Dresden, TU Dresden; Center for Healthy Aging, TU Dresden;
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19
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Lian BW, Wu Q, Zhang SY, Li YM, Zhao XH, Mei WJ, Wang BG. Tissue regeneration promotion effects of phenanthroimidazole derivatives through pro-inflammatory pathway activation. FISH & SHELLFISH IMMUNOLOGY 2018; 80:582-591. [PMID: 29920383 DOI: 10.1016/j.fsi.2018.06.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 06/10/2018] [Accepted: 06/14/2018] [Indexed: 06/08/2023]
Abstract
A chemotherapeutic drug exerts favorable antitumor activity and simultaneously exhibits expectable inhibition on wound healing process. Phenanthroimidazole derivatives possess potent anticancer activity. However, only a few studies focused on the discovery of its potential effects on promoting tissue regeneration. In this study, four novel phenanthroimidazole derivatives were synthesized and characterized, and they exhibited evident inhibition on different tumor cells; compound 3 is the most active one. Moreover, 3 can promote wound healing of zebrafish in a dose-dependent manner. Further study demonstrated that 3 promoted the recruitment of inflammatory cells, formation of angiogenesis, and generation of reactive oxygen species and also influenced the motor behavior of zebrafish. Results indicated that 3 can accelerate the occurrence of pro-inflammation, angiogenesis, oxidative stress, and innervation, which play key roles in the facilitation of wound healing. Therefore, 3 can act as a bifunctional drug in inhibiting tumor and promoting tissue regeneration.
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Affiliation(s)
- Bo-Wen Lian
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510310, Guangdong Province, PR China
| | - Qiong Wu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong Province, PR China.
| | - Shuang-Yan Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong Province, PR China
| | - Yu-Mei Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong Province, PR China
| | - Xuan-Hao Zhao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong Province, PR China
| | - Wen-Jie Mei
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong Province, PR China; Guangdong Province Engineering Technology Centre for Molecular Probe and Biomedicine Imaging, Guangzhou, 510006, Guangdong Province, PR China.
| | - Bao-Guo Wang
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510310, Guangdong Province, PR China; Guangdong Province Engineering Technology Centre for Molecular Probe and Biomedicine Imaging, Guangzhou, 510006, Guangdong Province, PR China.
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20
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Hachemi Y, Rapp AE, Picke AK, Weidinger G, Ignatius A, Tuckermann J. Molecular mechanisms of glucocorticoids on skeleton and bone regeneration after fracture. J Mol Endocrinol 2018; 61:R75-R90. [PMID: 29588427 PMCID: PMC5976078 DOI: 10.1530/jme-18-0024] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 03/27/2018] [Indexed: 12/29/2022]
Abstract
Glucocorticoid hormones (GCs) have profound effects on bone metabolism. Via their nuclear hormone receptor - the GR - they act locally within bone cells and modulate their proliferation, differentiation, and cell death. Consequently, high glucocorticoid levels - as present during steroid therapy or stress - impair bone growth and integrity, leading to retarded growth and glucocorticoid-induced osteoporosis, respectively. Because of their profound impact on the immune system and bone cell differentiation, GCs also affect bone regeneration and fracture healing. The use of conditional-mutant mouse strains in recent research provided insights into the cell-type-specific actions of the GR. However, despite recent advances in system biology approaches addressing GR genomics in general, little is still known about the molecular mechanisms of GCs and GR in bone cells. Here, we review the most recent findings on the molecular mechanisms of the GR in general and the known cell-type-specific actions of the GR in mesenchymal cells and their derivatives as well as in osteoclasts during bone homeostasis, GC excess, bone regeneration and fracture healing.
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Affiliation(s)
- Yasmine Hachemi
- Institute of Comparative Molecular EndocrinologyUlm University, Ulm, Germany
| | - Anna E Rapp
- Institute of Orthopaedic Research and BiomechanicsUlm University Medical Centre, Ulm, Germany
| | - Ann-Kristin Picke
- Institute of Comparative Molecular EndocrinologyUlm University, Ulm, Germany
| | - Gilbert Weidinger
- Institute of Biochemistry and Molecular BiologyUlm University, Ulm, Germany
| | - Anita Ignatius
- Institute of Orthopaedic Research and BiomechanicsUlm University Medical Centre, Ulm, Germany
| | - Jan Tuckermann
- Institute of Comparative Molecular EndocrinologyUlm University, Ulm, Germany
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21
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Monstad-Rios AT, Watson CJ, Kwon RY. ScreenCube: A 3D Printed System for Rapid and Cost-Effective Chemical Screening in Adult Zebrafish. Zebrafish 2018; 15:1-8. [PMID: 29083959 PMCID: PMC5792243 DOI: 10.1089/zeb.2017.1488] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Phenotype-based small molecule screens in zebrafish embryos and larvae have been successful in accelerating pathway and therapeutic discovery for diverse biological processes. Yet, the application of chemical screens to adult physiologies has been relatively limited due to additional demands on cost, space, and labor associated with screens in adult animals. In this study, we present a 3D printed system and methods for intermittent drug dosing that enable rapid and cost-effective chemical administration in adult zebrafish. Using prefilled screening plates, the system enables dosing of 96 fish in ∼3 min, with a 10-fold reduction in drug quantity compared to that used in previous chemical screens in adult zebrafish. We characterize water quality kinetics during immersion in the system and use these kinetics to rationally design intermittent dosing regimens that result in 100% fish survival. As a demonstration of system fidelity, we show the potential to identify two known chemical inhibitors of adult tail fin regeneration, cyclopamine and dorsomorphin. By developing methods for rapid and cost-effective chemical administration in adult zebrafish, this study expands the potential for small molecule discovery in postembryonic models of development, disease, and regeneration.
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Affiliation(s)
- Adrian T Monstad-Rios
- Department of Orthopaedics and Sports Medicine, University of Washington , Seattle, Washington
| | - Claire J Watson
- Department of Orthopaedics and Sports Medicine, University of Washington , Seattle, Washington
| | - Ronald Y Kwon
- Department of Orthopaedics and Sports Medicine, University of Washington , Seattle, Washington
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22
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Geurtzen K, Vernet A, Freidin A, Rauner M, Hofbauer LC, Schneider JE, Brand M, Knopf F. Immune Suppressive and Bone Inhibitory Effects of Prednisolone in Growing and Regenerating Zebrafish Tissues. J Bone Miner Res 2017; 32:2476-2488. [PMID: 28771888 DOI: 10.1002/jbmr.3231] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 07/19/2017] [Accepted: 07/31/2017] [Indexed: 01/15/2023]
Abstract
Glucocorticoids are widely used as therapeutic agents to treat immune-mediated diseases in humans because of their anti-inflammatory and immunosuppressive effects. However, glucocorticoids have various adverse effects, in particular rapid and pronounced bone loss associated with fractures in glucocorticoid-induced osteoporosis, a common form of secondary osteoporosis. In zebrafish, which are increasingly used to study processes of bone regeneration and disease, glucocorticoids show detrimental effects on bone tissue; however, the underlying cellular mechanisms are incompletely understood. Here, we show that treatment with the glucocorticoid prednisolone impacts on the number, activity and differentiation of osteoblasts, osteoclasts, and immune cells during ontogenetic growth, homeostasis, and regeneration of zebrafish bone. Macrophage numbers are reduced in both larval and adult tissues, correlating with decreased generation of myelomonocytes and enhanced apoptosis of these cells. In contrast, osteoblasts fail to proliferate, show decreased activity, and undergo incomplete differentiation. In addition, prednisolone treatment mitigates the number and recruitment of osteoclasts to sites of bone regeneration in adult fish. In combination, these effects delay bone growth and impair bone regeneration. Our study demonstrates the many-faceted effects of glucocorticoids in non-mammalian vertebrates and helps to further establish the zebrafish as a model to study glucocorticoid-induced osteoporosis. © 2017 American Society for Bone and Mineral Research.
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Affiliation(s)
- Karina Geurtzen
- Center for Regenerative Therapies Dresden (CRTD) and Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Aude Vernet
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Andrew Freidin
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Martina Rauner
- Division of Endocrinology, Diabetes, and Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany
- Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Lorenz C Hofbauer
- Center for Regenerative Therapies Dresden (CRTD) and Biotechnology Center, Technische Universität Dresden, Dresden, Germany
- Division of Endocrinology, Diabetes, and Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany
- Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Jürgen E Schneider
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Michael Brand
- Center for Regenerative Therapies Dresden (CRTD) and Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Franziska Knopf
- Center for Regenerative Therapies Dresden (CRTD) and Biotechnology Center, Technische Universität Dresden, Dresden, Germany
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
- Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
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23
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García-Caballero M, Quesada AR, Medina MA, Marí-Beffa M. Fishing anti(lymph)angiogenic drugs with zebrafish. Drug Discov Today 2017; 23:366-374. [PMID: 29081356 DOI: 10.1016/j.drudis.2017.10.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 10/13/2017] [Accepted: 10/19/2017] [Indexed: 10/18/2022]
Abstract
Zebrafish, an amenable small teleost fish with a complex mammal-like circulatory system, is being increasingly used for drug screening and toxicity studies. It combines the biological complexity of in vivo models with a higher-throughput screening capability compared with other available animal models. Externally growing, transparent embryos, displaying well-defined blood and lymphatic vessels, allow the inexpensive, rapid, and automatable evaluation of drug candidates that are able to inhibit neovascularisation. Here, we briefly review zebrafish as a model for the screening of anti(lymph)angiogenic drugs, with emphasis on the advantages and limitations of the different zebrafish-based in vivo assays.
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Affiliation(s)
- Melissa García-Caballero
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, and IBIMA (Biomedical Research Institute of Málaga), University of Málaga, Andalucía Tech, Málaga, Spain; Unit 741 of CIBER de Enfermedades Raras, Málaga, Spain
| | - Ana R Quesada
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, and IBIMA (Biomedical Research Institute of Málaga), University of Málaga, Andalucía Tech, Málaga, Spain; Unit 741 of CIBER de Enfermedades Raras, Málaga, Spain
| | - Miguel A Medina
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, and IBIMA (Biomedical Research Institute of Málaga), University of Málaga, Andalucía Tech, Málaga, Spain; Unit 741 of CIBER de Enfermedades Raras, Málaga, Spain.
| | - Manuel Marí-Beffa
- Department of Cellular Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga, Málaga, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, Málaga, Spain.
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24
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Ali YO, Bradley G, Lu HC. Screening with an NMNAT2-MSD platform identifies small molecules that modulate NMNAT2 levels in cortical neurons. Sci Rep 2017; 7:43846. [PMID: 28266613 PMCID: PMC5358788 DOI: 10.1038/srep43846] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 01/30/2017] [Indexed: 12/29/2022] Open
Abstract
Nicotinamide mononucleotide adenylyl transferase 2 (NMNAT2) is a key neuronal maintenance factor and provides potent neuroprotection in numerous preclinical models of neurological disorders. NMNAT2 is significantly reduced in Alzheimer’s, Huntington’s, Parkinson’s diseases. Here we developed a Meso Scale Discovery (MSD)-based screening platform to quantify endogenous NMNAT2 in cortical neurons. The high sensitivity and large dynamic range of this NMNAT2-MSD platform allowed us to screen the Sigma LOPAC library consisting of 1280 compounds. This library had a 2.89% hit rate, with 24 NMNAT2 positive and 13 negative modulators identified. Western analysis was conducted to validate and determine the dose-dependency of identified modulators. Caffeine, one identified NMNAT2 positive-modulator, when systemically administered restored NMNAT2 expression in rTg4510 tauopathy mice to normal levels. We confirmed in a cell culture model that four selected positive-modulators exerted NMNAT2-specific neuroprotection against vincristine-induced cell death while four selected NMNAT2 negative modulators reduced neuronal viability in an NMNAT2-dependent manner. Many of the identified NMNAT2 positive modulators are predicted to increase cAMP concentration, suggesting that neuronal NMNAT2 levels are tightly regulated by cAMP signaling. Taken together, our findings indicate that the NMNAT2-MSD platform provides a sensitive phenotypic screen to detect NMNAT2 in neurons.
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Affiliation(s)
- Yousuf O Ali
- Linda and Jack Gill Center, Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana, United States of America.,The Cain Foundation Laboratories, Texas Children's Hospital, Houston, Texas, United States of America.,Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas, United States of America.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America
| | - Gillian Bradley
- Linda and Jack Gill Center, Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana, United States of America.,Developmental Biology Program and Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America
| | - Hui-Chen Lu
- Linda and Jack Gill Center, Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana, United States of America.,The Cain Foundation Laboratories, Texas Children's Hospital, Houston, Texas, United States of America.,Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas, United States of America.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America.,Developmental Biology Program and Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America
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25
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Wiley DS, Redfield SE, Zon LI. Chemical screening in zebrafish for novel biological and therapeutic discovery. Methods Cell Biol 2016; 138:651-679. [PMID: 28129862 DOI: 10.1016/bs.mcb.2016.10.004] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Zebrafish chemical screening allows for an in vivo assessment of small molecule modulation of biological processes. Compound toxicities, chemical alterations by metabolism, pharmacokinetic and pharmacodynamic properties, and modulation of cell niches can be studied with this method. Furthermore, zebrafish screening is straightforward and cost effective. Zebrafish provide an invaluable platform for novel therapeutic discovery through chemical screening.
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Affiliation(s)
- D S Wiley
- Stem Cell Program and Division of Hematology and Oncology, Childrens' Hospital Boston, Dana-Farber Cancer Institute, Howard Hughes Medical Institute and Harvard Medical School, Boston, MA, United States
| | - S E Redfield
- Stem Cell Program and Division of Hematology and Oncology, Childrens' Hospital Boston, Dana-Farber Cancer Institute, Howard Hughes Medical Institute and Harvard Medical School, Boston, MA, United States
| | - L I Zon
- Stem Cell Program and Division of Hematology and Oncology, Childrens' Hospital Boston, Dana-Farber Cancer Institute, Howard Hughes Medical Institute and Harvard Medical School, Boston, MA, United States
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26
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Cardeira J, Gavaia PJ, Fernández I, Cengiz IF, Moreira-Silva J, Oliveira JM, Reis RL, Cancela ML, Laizé V. Quantitative assessment of the regenerative and mineralogenic performances of the zebrafish caudal fin. Sci Rep 2016; 6:39191. [PMID: 27991522 PMCID: PMC5171864 DOI: 10.1038/srep39191] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/21/2016] [Indexed: 12/31/2022] Open
Abstract
The ability of zebrafish to fully regenerate its caudal fin has been explored to better understand the mechanisms underlying de novo bone formation and to develop screening methods towards the discovery of compounds with therapeutic potential. Quantifying caudal fin regeneration largely depends on successfully measuring new tissue formation through methods that require optimization and standardization. Here, we present an improved methodology to characterize and analyse overall caudal fin and bone regeneration in adult zebrafish. First, regenerated and mineralized areas are evaluated through broad, rapid and specific chronological and morphometric analysis in alizarin red stained fins. Then, following a more refined strategy, the intensity of the staining within a 2D longitudinal plane is determined through pixel intensity analysis, as an indicator of density or thickness/volume. The applicability of this methodology on live specimens, to reduce animal experimentation and provide a tool for in vivo tracking of the regenerative process, was successfully demonstrated. Finally, the methodology was validated on retinoic acid- and warfarin-treated specimens, and further confirmed by micro-computed tomography. Because it is easily implementable, accurate and does not require sophisticated equipment, the present methodology will certainly provide valuable technical standardization for research in tissue engineering, regenerative medicine and skeletal biology.
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Affiliation(s)
- João Cardeira
- ProRegeM PhD Programme, Department of Biomedical Sciences and Medicine, University of Algarve, Campus de Gambelas, Faro, Portugal.,Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Paulo J Gavaia
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal.,Department of Biomedical Sciences and Medicine, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Ignacio Fernández
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Ibrahim Fatih Cengiz
- 3B's Research Group, Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal.,ICVS/3B's, PT Government Associated Laboratory, Portugal
| | | | - Joaquim Miguel Oliveira
- 3B's Research Group, Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal.,ICVS/3B's, PT Government Associated Laboratory, Portugal
| | - Rui L Reis
- 3B's Research Group, Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal.,ICVS/3B's, PT Government Associated Laboratory, Portugal
| | - M Leonor Cancela
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal.,Department of Biomedical Sciences and Medicine, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Vincent Laizé
- Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, Faro, Portugal
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27
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Chiang CJ, Lin LJ, Yang TY, Chao YP. Artificial oil body as a potential oral administration system in zebrafish. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2015.12.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Dang M, Fogley R, Zon LI. Identifying Novel Cancer Therapies Using Chemical Genetics and Zebrafish. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 916:103-24. [PMID: 27165351 DOI: 10.1007/978-3-319-30654-4_5] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Chemical genetics is the use of small molecules to perturb biological pathways. This technique is a powerful tool for implicating genes and pathways in developmental programs and disease, and simultaneously provides a platform for the discovery of novel therapeutics. The zebrafish is an advantageous model for in vivo high-throughput small molecule screening due to translational appeal, high fecundity, and a unique set of developmental characteristics that support genetic manipulation, chemical treatment, and phenotype detection. Chemical genetic screens in zebrafish can identify hit compounds that target oncogenic processes-including cancer initiation and maintenance, metastasis, and angiogenesis-and may serve as cancer therapies. Notably, by combining drug discovery and animal testing, in vivo screening of small molecules in zebrafish has enabled rapid translation of hit anti-cancer compounds to the clinic, especially through the repurposing of FDA-approved drugs. Future technological advancements in automation and high-powered imaging, as well as the development and characterization of new mutant and transgenic lines, will expand the scope of chemical genetics in zebrafish.
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Affiliation(s)
- Michelle Dang
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, 02115, USA.,Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, 1 Blackfan Circle, Boston, MA, 02115, USA
| | - Rachel Fogley
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, 02115, USA.,Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, 1 Blackfan Circle, Boston, MA, 02115, USA
| | - Leonard I Zon
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, 02115, USA. .,Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, 1 Blackfan Circle, Boston, MA, 02115, USA.
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Abstract
Regeneration involves interactions between multiple signaling pathways acting in a spatially and temporally complex manner. As signaling pathways are highly conserved, understanding how regeneration is controlled in animal models exhibiting robust regenerative capacities should aid efforts to stimulate repair in humans. One way to discover molecular regulators of regeneration is to alter gene/protein function and quantify effect(s) on the regenerative process: dedifferentiation/reprograming, stem/progenitor proliferation, migration/remodeling, progenitor cell differentiation and resolution. A powerful approach for applying this strategy to regenerative biology is chemical genetics, the use of small-molecule modulators of specific targets or signaling pathways. Here, we review advances that have been made using chemical genetics for hypothesis-focused and discovery-driven studies aimed at furthering understanding of how regeneration is controlled.
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30
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Osteogenic programs during zebrafish fin regeneration. BONEKEY REPORTS 2015; 4:745. [PMID: 26421148 DOI: 10.1038/bonekey.2015.114] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 07/22/2015] [Accepted: 07/30/2015] [Indexed: 12/20/2022]
Abstract
Recent advances in genomic, screening and imaging technologies have provided new opportunities to examine the molecular and cellular landscape underlying human physiology and disease. In the context of skeletal research, technologies for systems genetics, high-throughput screening and high-content imaging can aid an unbiased approach when searching for new biological, pathological or therapeutic pathways. However, these approaches necessitate the use of specialized model systems that rapidly produce a phenotype, are easy to manipulate, and amenable to optical study, all while representing mammalian bone physiologies at the molecular and cellular levels. The emerging use of zebrafish (Danio rerio) for modeling human disease highlights its potential to accelerate therapeutic and pathway discovery in the mammalian skeleton. In this review, we consider the potential value of zebrafish fin ray regeneration (a rapid, genetically tractable and optically transparent model of intramembranous ossification) as a translational model for such studies.
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31
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Wyatt C, Bartoszek EM, Yaksi E. Methods for studying the zebrafish brain: past, present and future. Eur J Neurosci 2015; 42:1746-63. [PMID: 25900095 DOI: 10.1111/ejn.12932] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 04/16/2015] [Accepted: 04/20/2015] [Indexed: 01/16/2023]
Abstract
The zebrafish (Danio rerio) is one of the most promising new model organisms. The increasing popularity of this amazing small vertebrate is evident from the exponentially growing numbers of research articles, funded projects and new discoveries associated with the use of zebrafish for studying development, brain function, human diseases and screening for new drugs. Thanks to the development of novel technologies, the range of zebrafish research is constantly expanding with new tools synergistically enhancing traditional techniques. In this review we will highlight the past and present techniques which have made, and continue to make, zebrafish an attractive model organism for various fields of biology, with a specific focus on neuroscience.
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Affiliation(s)
- Cameron Wyatt
- Neuro-Electronics Research Flanders, Imec Campus, Kapeldreef, Leuven, Belgium.,VIB, Leuven, Belgium
| | - Ewelina M Bartoszek
- Neuro-Electronics Research Flanders, Imec Campus, Kapeldreef, Leuven, Belgium.,VIB, Leuven, Belgium.,Kavli Institute for Systems Neuroscience and Centre for Neural Computation, Norwegian University of Science and Technology, Trondheim, Norway
| | - Emre Yaksi
- Neuro-Electronics Research Flanders, Imec Campus, Kapeldreef, Leuven, Belgium.,VIB, Leuven, Belgium.,KU Leuven, Leuven, Belgium.,Kavli Institute for Systems Neuroscience and Centre for Neural Computation, Norwegian University of Science and Technology, Trondheim, Norway
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32
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Rennekamp AJ, Peterson RT. 15 years of zebrafish chemical screening. Curr Opin Chem Biol 2014; 24:58-70. [PMID: 25461724 DOI: 10.1016/j.cbpa.2014.10.025] [Citation(s) in RCA: 192] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 10/28/2014] [Accepted: 10/30/2014] [Indexed: 12/13/2022]
Abstract
In 2000, the first chemical screen using living zebrafish in a multi-well plate was reported. Since then, more than 60 additional screens have been published describing whole-organism drug and pathway discovery projects in zebrafish. To investigate the scope of the work reported in the last 14 years and to identify trends in the field, we analyzed the discovery strategies of 64 primary research articles from the literature. We found that zebrafish screens have expanded beyond the use of developmental phenotypes to include behavioral, cardiac, metabolic, proliferative and regenerative endpoints. Additionally, many creative strategies have been used to uncover the mechanisms of action of new small molecules including chemical phenocopy, genetic phenocopy, mutant rescue, and spatial localization strategies.
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Affiliation(s)
- Andrew J Rennekamp
- Cardiovascular Research Center and Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA 02129, USA; Department of Systems Biology, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA; Broad Institute, 7 Cambridge Center, Cambridge, MA 02142, USA
| | - Randall T Peterson
- Cardiovascular Research Center and Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA 02129, USA; Department of Systems Biology, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA; Broad Institute, 7 Cambridge Center, Cambridge, MA 02142, USA.
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33
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Poureetezadi SJ, Donahue EK, Wingert RA. A manual small molecule screen approaching high-throughput using zebrafish embryos. J Vis Exp 2014:e52063. [PMID: 25407322 PMCID: PMC4353429 DOI: 10.3791/52063] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Zebrafish have become a widely used model organism to investigate the mechanisms that underlie developmental biology and to study human disease pathology due to their considerable degree of genetic conservation with humans. Chemical genetics entails testing the effect that small molecules have on a biological process and is becoming a popular translational research method to identify therapeutic compounds. Zebrafish are specifically appealing to use for chemical genetics because of their ability to produce large clutches of transparent embryos, which are externally fertilized. Furthermore, zebrafish embryos can be easily drug treated by the simple addition of a compound to the embryo media. Using whole-mount in situ hybridization (WISH), mRNA expression can be clearly visualized within zebrafish embryos. Together, using chemical genetics and WISH, the zebrafish becomes a potent whole organism context in which to determine the cellular and physiological effects of small molecules. Innovative advances have been made in technologies that utilize machine-based screening procedures, however for many labs such options are not accessible or remain cost-prohibitive. The protocol described here explains how to execute a manual high-throughput chemical genetic screen that requires basic resources and can be accomplished by a single individual or small team in an efficient period of time. Thus, this protocol provides a feasible strategy that can be implemented by research groups to perform chemical genetics in zebrafish, which can be useful for gaining fundamental insights into developmental processes, disease mechanisms, and to identify novel compounds and signaling pathways that have medically relevant applications.
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Affiliation(s)
| | - Eric K Donahue
- Department of Biological Sciences, University of Notre Dame
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34
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Recidoro AM, Roof AC, Schmitt M, Worton LE, Petrie T, Strand N, Ausk BJ, Srinivasan S, Moon RT, Gardiner EM, Kaminsky W, Bain SD, Allan CH, Gross TS, Kwon RY. Botulinum toxin induces muscle paralysis and inhibits bone regeneration in zebrafish. J Bone Miner Res 2014; 29:2346-56. [PMID: 24806738 PMCID: PMC5108653 DOI: 10.1002/jbmr.2274] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 03/31/2014] [Accepted: 04/14/2014] [Indexed: 01/05/2023]
Abstract
Intramuscular administration of Botulinum toxin (BTx) has been associated with impaired osteogenesis in diverse conditions of bone formation (eg, development, growth, and healing), yet the mechanisms of neuromuscular-bone crosstalk underlying these deficits have yet to be identified. Motivated by the emerging utility of zebrafish (Danio rerio) as a rapid, genetically tractable, and optically transparent model for human pathologies (as well as the potential to interrogate neuromuscular-mediated bone disorders in a simple model that bridges in vitro and more complex in vivo model systems), in this study, we developed a model of BTx-induced muscle paralysis in adult zebrafish, and we examined its effects on intramembranous ossification during tail fin regeneration. BTx administration induced rapid muscle paralysis in adult zebrafish in a manner that was dose-dependent, transient, and focal, mirroring the paralytic phenotype observed in animal and human studies. During fin regeneration, BTx impaired continued bone ray outgrowth, morphology, and patterning, indicating defects in early osteogenesis. Further, BTx significantly decreased mineralizing activity and crystalline mineral accumulation, suggesting delayed late-stage osteoblast differentiation and/or altered secondary bone apposition. Bone ray transection proximal to the amputation site focally inhibited bone outgrowth in the affected ray, implicating intra- and/or inter-ray nerves in this process. Taken together, these studies demonstrate the potential to interrogate pathological features of BTx-induced osteoanabolic dysfunction in the regenerating zebrafish fin, define the technological toolbox for detecting bone growth and mineralization deficits in this process, and suggest that pathways mediating neuromuscular regulation of osteogenesis may be conserved beyond established mammalian models of bone anabolic disorders.
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Affiliation(s)
- Anthony M Recidoro
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, WA, USA
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35
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Basu S, Sachidanandan C. Zebrafish: a multifaceted tool for chemical biologists. Chem Rev 2013; 113:7952-80. [PMID: 23819893 DOI: 10.1021/cr4000013] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Sandeep Basu
- Council of Scientific and Industrial Research-Institute of Genomics & Integrative Biology (CSIR-IGIB) , South Campus, New Delhi 110025, India
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36
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Abstract
Due to several inherent advantages, zebrafish are being utilized in increasingly sophisticated screens to assess the physiological effects of chemical compounds directly in living vertebrate organisms. Diverse screening platforms showcase these advantages. Morphological assays encompassing basic qualitative observations to automated imaging, manipulation, and data-processing systems provide whole organism to subcellular levels of detail. Behavioral screens extend chemical screening to the level of complex systems. In addition, zebrafish-based disease models provide a means of identifying new potential therapeutic strategies. Automated systems for handling/sorting, high-resolution imaging and quantitative data collection have significantly increased throughput in recent years. These advances will make it easier to capture multiple streams of information from a given sample and facilitate integration of zebrafish at the earliest stages of the drug-discovery process, providing potential solutions to current drug-development bottlenecks. Here we outline advances that have been made within the growing field of zebrafish chemical screening.
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37
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Abstract
The larval zebrafish has emerged asa vertebrate model system amenable to small molecule screens for probing diverse biological pathways. Two large-scale small molecule screens examined the effects of thousands of drugs on larval zebrafish sleep/wake and photomotor response behaviors. Both screens identified hundreds of molecules that altered zebrafish behavior in distinct ways. The behavioral profiles induced by these small molecules enabled the clustering of compounds according to shared phenotypes. This approach identified regulators of sleep/wake behavior and revealed the biological targets for poorly characterized compounds. Behavioral screening for neuroactive small molecules in zebrafish is an attractive complement to in vitro screening efforts, because the complex interactions in the vertebrate brain can only be revealed in vivo.
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Affiliation(s)
- Jason Rihel
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA.
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38
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Zang L, Morikane D, Shimada Y, Tanaka T, Nishimura N. A novel protocol for the oral administration of test chemicals to adult zebrafish. Zebrafish 2012; 8:203-10. [PMID: 22181663 DOI: 10.1089/zeb.2011.0726] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
A novel protocol using gluten as a carrier material was developed to administer chemicals to adult zebrafish, per os (p.o.). To evaluate the capacity of gluten to retain chemicals, we prepared gluten granules containing eight types of chemicals with different Log P(ow) values and immersed them in water. Less than 5% of chemicals were eluted from gluten granules within 5 min, a standard feeding time for zebrafish. Although retention capability was dependent on the hydrophilicity and hydrophobicity of the chemicals, the gluten granules retained 62%-99% of the total amount of chemical, even after immersion in water for 60 min. Vital staining dyes, such as 4-Di-2-Asp and Nile red, administered p.o., were delivered into the gastrointestinal tract where they were digested and secreted. Subsequently, we conducted a pharmacokinetic study of oral administration of felbinac and confirmed that it was successfully delivered into the blood of zebrafish. This indicates that chemicals administered using gluten granules are satisfactorily absorbed from the digestive tract and delivered into the metabolic system. The absorption, distribution, and pharmacokinetics of chemicals given by oral administration were also compared with those of chemicals given by alternative administration routes such as intraperitoneal injection and exposure to chemical solution.
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Affiliation(s)
- Liqing Zang
- Department of Translational Medical Science, Graduate School of Medicine, Mie University, Mie 514-8507, Japan.
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39
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Abstract
The external location of the zebrafish lateral line makes it a powerful model for studying mechanosensory hair cell regeneration. We have developed a chemical screen to identify FDA-approved drugs and biologically active compounds that modulate hair cell regeneration in zebrafish. Of the 1680 compounds evaluated, we identified two enhancers and six inhibitors of regeneration. The two enhancers, dexamethasone and prednisolone, are synthetic glucocorticoids that potentiated hair cell numbers during regeneration and also induced hair cell addition in the absence of damage. BrdU analysis confirmed that the extra hair cells arose from mitotic activity. We found that dexamethasone and prednisolone, like other glucocorticoids, suppress zebrafish caudal fin regeneration, indicating that hair cell regeneration occurs by a distinctly different process. Further analyses of the regeneration inhibitors revealed that two of the six, flubendazole and topotecan, significantly suppress hair cell regeneration by preventing proliferation of hair cell precursors. Flubendazole halted support cell division in M-phase, possibly by interfering with normal microtubule activity. Topotecan, a topoisomerase inhibitor, killed both hair cells and proliferating hair cell precursors. A third inhibitor, fulvestrant, moderately delayed hair cell regeneration by reducing support cell proliferation. Our observation that hair cells do not regenerate when support cell proliferation is impeded confirms previous observations that cell division is the primary route for hair cell regeneration after neomycin treatment in zebrafish.
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40
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Testing strategies for embryo-fetal toxicity of human pharmaceuticals. Animal models vs. in vitro approaches: a workshop report. Regul Toxicol Pharmacol 2012; 63:115-23. [PMID: 22449444 DOI: 10.1016/j.yrtph.2012.03.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Accepted: 03/09/2012] [Indexed: 10/28/2022]
Abstract
Reproductive toxicity testing is characterized by high animal use. For registration of pharmaceutical compounds, developmental toxicity studies are usually conducted in both rat and rabbits. Efforts have been underway for a long time to design alternatives to animal use. Implementation has lagged, partly because of uncertainties about the applicability domain of the alternatives. The reproductive cycle is complex and not all mechanisms of development can be mimicked in vitro. Therefore, efforts are underway to characterize the available alternative tests with regard to the mechanism of action they include. One alternative test is the mouse embryonic stem cell test (EST), which has been studied since the late 1990s. It is a genuine 3R "alternative" assay as it is essentially animal-free. A meeting was held to review the state-of-the-art of various in vitro models for prediction of developmental toxicity. Although the predictivity of individual assays is improving, a battery of several assays is likely to have even higher predictivity, which is necessary for regulatory acceptance. The workshop concluded that an important first step is a thorough survey of the existing rat and rabbit studies, to fully characterize the frequency of responses and the types of effects seen. At the same time, it is important to continue the optimization of in vitro assays. As more experience accumulates, the optimal conditions, assay structure, and applicability of the alternative assays are expected to emerge.
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41
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Lessman CA. The developing zebrafish (Danio rerio): a vertebrate model for high-throughput screening of chemical libraries. ACTA ACUST UNITED AC 2012; 93:268-80. [PMID: 21932435 DOI: 10.1002/bdrc.20212] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The zebrafish, Danio rerio, a small, tropical freshwater species native to Pakistan and India, has become a National Institutes of Health-sanctioned model organism and, due to its many advantages as an experimental vertebrate, it has garnered intense interest from the world's scientific community. Some have labeled the zebrafish, the "vertebrate Drosophila," due to its genetic tractability, small size, low cost, and rapid development. The transparency of the embryo, external development, and the many hundreds of mutant and transgenic lines available add to the allure. Now it appears, the zebrafish can be used for high-throughput screening (HTS) of drug libraries in the discovery process of promising new therapeutics. In this review, various types of screening methods are briefly outlined, as are a variety of screens for different disease models, to highlight the range of zebrafish HTS possibilities. High-content screening (HCS) has been available for cell-based screens for some time and, very recently, HCS is being adapted for the zebrafish. This will allow analysis, at high resolution, of drug effects on whole vertebrates; thus, whole body effects as well as those on specific organs and tissues may be determined.
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Affiliation(s)
- Charles A Lessman
- Department of Biological Sciences, The University of Memphis, Tennessee 38152, USA.
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42
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Abstract
Diamond Blackfan anemia (DBA) is a rare congenital anemia, with more than 50% of patients having mutations in a ribosomal protein. Evidence suggests that both translation and p53 activation play roles in mediating the hematopoietic phenotype. The reason for erythroid specificity of DBA is unclear. Several zebrafish models of DBA have been generated, and these models have already provided key information about disease pathogenesis. The zebrafish model is particularly amenable for studying blood development, allows for advanced imaging techniques, can be manipulated genetically, and is useful for high-throughput screening. By applying zebrafish approaches to the existing DBA models, we will be able to better understand the role of the ribosomal protein mutation in DBA and develop better treatments for this disease.
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Affiliation(s)
- Alison M Taylor
- Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Harvard Medical School, Boston, MA, USA
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43
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Chen X, Li L, Cheng J, Chan LL, Wang DZ, Wang KJ, Baker ME, Hardiman G, Schlenk D, Cheng SH. Molecular staging of marine medaka: a model organism for marine ecotoxicity study. MARINE POLLUTION BULLETIN 2011; 63:309-317. [PMID: 21708389 DOI: 10.1016/j.marpolbul.2011.03.042] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2010] [Revised: 03/23/2011] [Accepted: 03/24/2011] [Indexed: 05/31/2023]
Abstract
Oryzias melastigma, also called O. dancena, is becoming a very useful model for estuarine and marine ecotoxicity studies. With O. melastigma being adopted by ILSI Health and Environmental Science Institute (HESI) for embryo toxicity testing, improved knowledge of biomarker based embryonic development becomes especially important for mechanism-based toxicity evaluations. Using whole mount in situ hybridization and immunostaining techniques together with widely used molecular markers, this study describes the molecular development of marine medaka embryos, focusing on the brain, eye, heart, pectoral fin, pancreas, liver, muscle and neuron system. These organs are targets of environmental pollutants that disrupt normal embryonic development in medaka and other fish.
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Affiliation(s)
- Xueping Chen
- State Key Laboratory in Marine Pollution, Department of Biology and Chemistry, City University of Hong Kong, Hong Kong Special Administrative Region
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44
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Mercola M, Ruiz-Lozano P, Schneider MD. Cardiac muscle regeneration: lessons from development. Genes Dev 2011; 25:299-309. [PMID: 21325131 DOI: 10.1101/gad.2018411] [Citation(s) in RCA: 136] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The adult human heart is an ideal target for regenerative intervention since it does not functionally restore itself after injury yet has a modest regenerative capacity that could be enhanced by innovative therapies. Adult cardiac cells with regenerative potential share gene expression signatures with early fetal progenitors that give rise to multiple cardiac cell types, suggesting that the evolutionarily conserved regulatory networks that drive embryonic heart development might also control aspects of regeneration. Here we discuss commonalities of development and regeneration, and the application of the rich developmental biology heritage to achieve therapeutic regeneration of the human heart.
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Affiliation(s)
- Mark Mercola
- Muscle Development and Regeneration Program, Sanford-Burnham Medical Research Institute, La Jolla, California 92037, USA.
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45
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Tan JL, Zon LI. Chemical screening in zebrafish for novel biological and therapeutic discovery. Methods Cell Biol 2011; 105:493-516. [PMID: 21951544 DOI: 10.1016/b978-0-12-381320-6.00021-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Zebrafish chemical screening allows for an in vivo assessment of small molecule modulation of biological processes. Compound toxicities, chemical alterations by metabolism, pharmacokinetic and pharmacodynamic properties, and modulation of cell niches can be studied with this method. Furthermore, zebrafish screening is straightforward and cost-effective. Zebrafish provide an invaluable platform for novel therapeutic discovery through chemical screening.
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Affiliation(s)
- Justin L Tan
- Stem Cell Program and Division of Hematology and Oncology, Children’s Hospital Boston, Dana-Farber Cancer Institute, Howard Hughes Medical Institute and Harvard Medical School, Boston, Massachusetts, USA
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