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Begeman IJ, Emery B, Kurth A, Kang J. Regeneration and developmental enhancers are differentially compatible with minimal promoters. Dev Biol 2022; 492:47-58. [PMID: 36167150 PMCID: PMC10211259 DOI: 10.1016/j.ydbio.2022.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 12/01/2022]
Abstract
Enhancers and promoters are cis-regulatory elements that control gene expression. Enhancers are activated in a cell type-, tissue-, and condition-specific manner to stimulate promoter function and transcription. Zebrafish have emerged as a powerful animal model for examining the activities of enhancers derived from various species through transgenic enhancer assays, in which an enhancer is coupled with a minimal promoter. However, the efficiency of minimal promoters and their compatibility with multiple developmental and regeneration enhancers have not been systematically tested in zebrafish. Thus, we assessed the efficiency of six minimal promoters and comprehensively interrogated the compatibility of the promoters with developmental and regeneration enhancers. We found that the fos minimal promoter and Drosophila synthetic core promoter (DSCP) yielded high rates of leaky expression that may complicate the interpretation of enhancer assays. Notably, the adenovirus E1b promoter, the zebrafish lepb 0.8-kb (P0.8) and lepb 2-kb (P2) promoters, and a new zebrafish synthetic promoter (ZSP) that combines elements of the E1b and P0.8 promoters drove little or no ectopic expression, making them suitable for transgenic assays. We also found significant differences in compatibility among specific combinations of promoters and enhancers, indicating the importance of promoters as key regulatory elements determining the specificity of gene expression. Our study provides guidelines for transgenic enhancer assays in zebrafish to aid in the discovery of functional enhancers regulating development and regeneration.
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Affiliation(s)
- Ian J Begeman
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Benjamin Emery
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Andrew Kurth
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Junsu Kang
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53705, USA; UW Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53705, USA.
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2
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Wang X, Copmans D, de Witte PAM. Using Zebrafish as a Disease Model to Study Fibrotic Disease. Int J Mol Sci 2021; 22:ijms22126404. [PMID: 34203824 PMCID: PMC8232822 DOI: 10.3390/ijms22126404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 02/06/2023] Open
Abstract
In drug discovery, often animal models are used that mimic human diseases as closely as possible. These animal models can be used to address various scientific questions, such as testing and evaluation of new drugs, as well as understanding the pathogenesis of diseases. Currently, the most commonly used animal models in the field of fibrosis are rodents. Unfortunately, rodent models of fibrotic disease are costly and time-consuming to generate. In addition, present models are not very suitable for screening large compounds libraries. To overcome these limitations, there is a need for new in vivo models. Zebrafish has become an attractive animal model for preclinical studies. An expanding number of zebrafish models of human disease have been documented, for both acute and chronic diseases. A deeper understanding of the occurrence of fibrosis in zebrafish will contribute to the development of new and potentially improved animal models for drug discovery. These zebrafish models of fibrotic disease include, among others, cardiovascular disease models, liver disease models (categorized into Alcoholic Liver Diseases (ALD) and Non-Alcoholic Liver Disease (NALD)), and chronic pancreatitis models. In this review, we give a comprehensive overview of the usage of zebrafish models in fibrotic disease studies, highlighting their potential for high-throughput drug discovery and current technical challenges.
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Affiliation(s)
- Xixin Wang
- Laboratory for Molecular Biodiscovery, Department of Pharmaceutical and Pharmacological Sciences, KULeuven-University of Leuven, O&N II Herestraat 49-Box 824, 3000 Leuven, Belgium; (X.W.); (D.C.)
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan 250103, China
| | - Daniëlle Copmans
- Laboratory for Molecular Biodiscovery, Department of Pharmaceutical and Pharmacological Sciences, KULeuven-University of Leuven, O&N II Herestraat 49-Box 824, 3000 Leuven, Belgium; (X.W.); (D.C.)
| | - Peter A. M. de Witte
- Laboratory for Molecular Biodiscovery, Department of Pharmaceutical and Pharmacological Sciences, KULeuven-University of Leuven, O&N II Herestraat 49-Box 824, 3000 Leuven, Belgium; (X.W.); (D.C.)
- Correspondence: ; Tel.: +32-16-323432
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Chávez MN, Morales RA, López-Crisosto C, Roa JC, Allende ML, Lavandero S. Autophagy Activation in Zebrafish Heart Regeneration. Sci Rep 2020; 10:2191. [PMID: 32042056 PMCID: PMC7010704 DOI: 10.1038/s41598-020-59106-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 01/23/2020] [Indexed: 02/06/2023] Open
Abstract
Autophagy is an evolutionarily conserved process that plays a key role in the maintenance of overall cellular health. While it has been suggested that autophagy may elicit cardioprotective and pro-survival modulating functions, excessive activation of autophagy can also be detrimental. In this regard, the zebrafish is considered a hallmark model for vertebrate regeneration, since contrary to adult mammals, it is able to faithfully regenerate cardiac tissue. Interestingly, the role that autophagy may play in zebrafish heart regeneration has not been studied yet. In the present work, we hypothesize that, in the context of a well-established injury model of ventricular apex resection, autophagy plays a critical role during cardiac regeneration and its regulation can directly affect the zebrafish regenerative potential. We studied the autophagy events occurring upon injury using electron microscopy, in vivo tracking of autophagy markers, and protein analysis. Additionally, using pharmacological tools, we investigated how rapamycin, an inducer of autophagy, affects regeneration relevant processes. Our results show that a tightly regulated autophagic response is triggered upon injury and during the early stages of the regeneration process. Furthermore, treatment with rapamycin caused an impairment in the cardiac regeneration outcome. These findings are reminiscent of the pathophysiological description of an injured human heart and hence put forward the zebrafish as a model to study the poorly understood double-sword effect that autophagy has in cardiac homeostasis.
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Affiliation(s)
- Myra N Chávez
- Advanced Center for Chronic Diseases (ACCDiS) & Corporación Centro de Estudios Científicos de las Enfermedades Crónicas (CECEC), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile.,Center for Genome Regulation (CGR), Department of Biology, Faculty of Sciences, University of Chile, Santiago, Chile
| | - Rodrigo A Morales
- Center for Genome Regulation (CGR), Department of Biology, Faculty of Sciences, University of Chile, Santiago, Chile
| | - Camila López-Crisosto
- Advanced Center for Chronic Diseases (ACCDiS) & Corporación Centro de Estudios Científicos de las Enfermedades Crónicas (CECEC), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Juan Carlos Roa
- Department of Pathology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Miguel L Allende
- Center for Genome Regulation (CGR), Department of Biology, Faculty of Sciences, University of Chile, Santiago, Chile.
| | - Sergio Lavandero
- Advanced Center for Chronic Diseases (ACCDiS) & Corporación Centro de Estudios Científicos de las Enfermedades Crónicas (CECEC), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile. .,Department of Internal Medicine (Cardiology Division), University of Texas Southwestern Medical Center, Dallas, USA.
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Crivelaro RM, Thiesen R, Aldrovani M, Silva PES, Barros Sobrinho AAF, Moraes PC. Behavioural and physiological effects of methadone in the perioperative period on the Nile tilapia Oreochromis niloticus. JOURNAL OF FISH BIOLOGY 2019; 94:823-827. [PMID: 30868600 DOI: 10.1111/jfb.13959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 03/13/2019] [Indexed: 06/09/2023]
Abstract
Through the analysis of behavioural changes, this study demonstrates that methadone has behavioural, but not analgesic, effects on Oreochromis niloticus. It provides information that suggests the drug has sedative abilities, as the recovery time was shorter in the fish receiving methadone. Future research, with different doses and stimuli, is required to provide more information about analgesia.
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Affiliation(s)
- Roberta M Crivelaro
- Department of Small Animal Medicine and Surgery, College of Agrarian and Veterinarian Sciences, Via de acesso, professor Paulo Donato Castellani, São Paulo State University (Unesp), Jaboticabal, Brazil
| | | | - Marcela Aldrovani
- Department of Small Animal Medicine and Surgery, College of Agrarian and Veterinarian Sciences, Via de acesso, professor Paulo Donato Castellani, São Paulo State University (Unesp), Jaboticabal, Brazil
| | - Paloma E S Silva
- Department of Small Animal Medicine and Surgery, College of Agrarian and Veterinarian Sciences, Via de acesso, professor Paulo Donato Castellani, São Paulo State University (Unesp), Jaboticabal, Brazil
| | - Alexandre A F Barros Sobrinho
- Department of Small Animal Medicine and Surgery, College of Agrarian and Veterinarian Sciences, Via de acesso, professor Paulo Donato Castellani, São Paulo State University (Unesp), Jaboticabal, Brazil
| | - Paola C Moraes
- Department of Small Animal Medicine and Surgery, College of Agrarian and Veterinarian Sciences, Via de acesso, professor Paulo Donato Castellani, São Paulo State University (Unesp), Jaboticabal, Brazil
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Takada N, Omae M, Sagawa F, Chi NC, Endo S, Kozawa S, Sato TN. Re-evaluating the functional landscape of the cardiovascular system during development. Biol Open 2017; 6:1756-1770. [PMID: 28982700 PMCID: PMC5703621 DOI: 10.1242/bio.030254] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The cardiovascular system facilitates body-wide distribution of oxygen, a vital process for the development and survival of virtually all vertebrates. However, the zebrafish, a vertebrate model organism, appears to form organs and survive mid-larval periods without a functional cardiovascular system. Despite such dispensability, it is the first organ to develop. Such enigma prompted us to hypothesize other cardiovascular functions that are important for developmental and/or physiological processes. Hence, systematic cellular ablations and functional perturbations were performed on the zebrafish cardiovascular system to gain comprehensive and body-wide understanding of such functions and to elucidate the underlying mechanisms. This approach identifies a set of organ-specific genes, each implicated for important functions. The study also unveils distinct cardiovascular mechanisms, each differentially regulating their expressions in organ-specific and oxygen-independent manners. Such mechanisms are mediated by organ-vessel interactions, circulation-dependent signals, and circulation-independent beating-heart-derived signals. A comprehensive and body-wide functional landscape of the cardiovascular system reported herein may provide clues as to why it is the first organ to develop. Furthermore, these data could serve as a resource for the study of organ development and function. Summary: The body-wide landscape of the cardiovascular functions during development is reported. Such landscape may provide clues as to why the cardiovascular system is the first organ to develop.
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Affiliation(s)
- Norio Takada
- The Thomas N. Sato BioMEC-X Laboratories, Advanced Telecommunications Research Institute International (ATR), Kyoto 619-0288, Japan.,ERATO Sato Live Bio-Forecasting Project, Japan Science and Technology Agency (JST), Kyoto 619-0288, Japan
| | - Madoka Omae
- The Thomas N. Sato BioMEC-X Laboratories, Advanced Telecommunications Research Institute International (ATR), Kyoto 619-0288, Japan.,Kyoto University, Graduate School of Biostudies, Kyoto 606-8303, Japan
| | - Fumihiko Sagawa
- The Thomas N. Sato BioMEC-X Laboratories, Advanced Telecommunications Research Institute International (ATR), Kyoto 619-0288, Japan.,ERATO Sato Live Bio-Forecasting Project, Japan Science and Technology Agency (JST), Kyoto 619-0288, Japan
| | - Neil C Chi
- Division of Cardiovascular Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA 92093-0613J, USA
| | - Satsuki Endo
- The Thomas N. Sato BioMEC-X Laboratories, Advanced Telecommunications Research Institute International (ATR), Kyoto 619-0288, Japan.,ERATO Sato Live Bio-Forecasting Project, Japan Science and Technology Agency (JST), Kyoto 619-0288, Japan
| | - Satoshi Kozawa
- The Thomas N. Sato BioMEC-X Laboratories, Advanced Telecommunications Research Institute International (ATR), Kyoto 619-0288, Japan.,ERATO Sato Live Bio-Forecasting Project, Japan Science and Technology Agency (JST), Kyoto 619-0288, Japan
| | - Thomas N Sato
- The Thomas N. Sato BioMEC-X Laboratories, Advanced Telecommunications Research Institute International (ATR), Kyoto 619-0288, Japan .,ERATO Sato Live Bio-Forecasting Project, Japan Science and Technology Agency (JST), Kyoto 619-0288, Japan.,Department of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA.,Centenary Institute, Sydney 2042, Australia
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Abstract
In the last 30 years, the zebrafish has become a widely used model organism for research on vertebrate development and disease. Through a powerful combination of genetics and experimental embryology, significant inroads have been made into the regulation of embryonic axis formation, organogenesis, and the development of neural networks. Research with this model has also expanded into other areas, including the genetic regulation of aging, regeneration, and animal behavior. Zebrafish are a popular model because of the ease with which they can be maintained, their small size and low cost, the ability to obtain hundreds of embryos on a daily basis, and the accessibility, translucency, and rapidity of early developmental stages. This primer describes the swift progress of genetic approaches in zebrafish and highlights recent advances that have led to new insights into vertebrate biology.
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Marshall L, Vivien C, Girardot F, Péricard L, Demeneix BA, Coen L, Chai N. Persistent fibrosis, hypertrophy and sarcomere disorganisation after endoscopy-guided heart resection in adult Xenopus. PLoS One 2017; 12:e0173418. [PMID: 28278282 PMCID: PMC5344503 DOI: 10.1371/journal.pone.0173418] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 01/15/2017] [Indexed: 12/30/2022] Open
Abstract
Models of cardiac repair are needed to understand mechanisms underlying failure to regenerate in human cardiac tissue. Such studies are currently dominated by the use of zebrafish and mice. Remarkably, it is between these two evolutionary separated species that the adult cardiac regenerative capacity is thought to be lost, but causes of this difference remain largely unknown. Amphibians, evolutionary positioned between these two models, are of particular interest to help fill this lack of knowledge. We thus developed an endoscopy-based resection method to explore the consequences of cardiac injury in adult Xenopus laevis. This method allowed in situ live heart observation, standardised tissue amputation size and reproducibility. During the first week following amputation, gene expression of cell proliferation markers remained unchanged, whereas those relating to sarcomere organisation decreased and markers of inflammation, fibrosis and hypertrophy increased. One-month post-amputation, fibrosis and hypertrophy were evident at the injury site, persisting through 11 months. Moreover, cardiomyocyte sarcomere organisation deteriorated early following amputation, and was not completely recovered as far as 11 months later. We conclude that the adult Xenopus heart is unable to regenerate, displaying cellular and molecular marks of scarring. Our work suggests that, contrary to urodeles and teleosts, with the exception of medaka, adult anurans share a cardiac injury outcome similar to adult mammals. This observation is at odds with current hypotheses that link loss of cardiac regenerative capacity with acquisition of homeothermy.
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Affiliation(s)
- Lindsey Marshall
- Evolution des Régulations Endocriniennes, Département Régulations, Développement et Diversité Moléculaire, UMR CNRS 7221, Muséum National d'Histoire Naturelle, Sorbonne Université, Paris, France
| | - Céline Vivien
- Evolution des Régulations Endocriniennes, Département Régulations, Développement et Diversité Moléculaire, UMR CNRS 7221, Muséum National d'Histoire Naturelle, Sorbonne Université, Paris, France
| | - Fabrice Girardot
- Evolution des Régulations Endocriniennes, Département Régulations, Développement et Diversité Moléculaire, UMR CNRS 7221, Muséum National d'Histoire Naturelle, Sorbonne Université, Paris, France
| | - Louise Péricard
- Evolution des Régulations Endocriniennes, Département Régulations, Développement et Diversité Moléculaire, UMR CNRS 7221, Muséum National d'Histoire Naturelle, Sorbonne Université, Paris, France
| | - Barbara A. Demeneix
- Evolution des Régulations Endocriniennes, Département Régulations, Développement et Diversité Moléculaire, UMR CNRS 7221, Muséum National d'Histoire Naturelle, Sorbonne Université, Paris, France
| | - Laurent Coen
- Evolution des Régulations Endocriniennes, Département Régulations, Développement et Diversité Moléculaire, UMR CNRS 7221, Muséum National d'Histoire Naturelle, Sorbonne Université, Paris, France
| | - Norin Chai
- Ménagerie du Jardin des Plantes, Muséum National d’Histoire Naturelle, Paris, France
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Jaźwińska A, Sallin P. Regeneration versus scarring in vertebrate appendages and heart. J Pathol 2016; 238:233-46. [PMID: 26414617 PMCID: PMC5057359 DOI: 10.1002/path.4644] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 09/15/2015] [Accepted: 09/18/2015] [Indexed: 12/15/2022]
Abstract
Injuries to complex human organs, such as the limbs and the heart, result in pathological conditions, for which we often lack adequate treatments. While modern regenerative approaches are based on the transplantation of stem cell-derived cells, natural regeneration in lower vertebrates, such as zebrafish and newts, relies predominantly on the intrinsic plasticity of mature tissues. This property involves local activation of the remaining material at the site of injury to promote cell division, cell migration and complete reproduction of the missing structure. It remains an unresolved question why adult mammals are not equally competent to reactivate morphogenetic programmes. Although organ regeneration depends strongly on the proliferative properties of cells in the injured tissue, it is apparent that various organismic factors, such as innervation, vascularization, hormones, metabolism and the immune system, can affect this process. Here, we focus on a correlation between the regenerative capacity and cellular specialization in the context of functional demands, as illustrated by appendages and heart in diverse vertebrates. Elucidation of the differences between homologous regenerative and non-regenerative tissues from various animal models is essential for understanding the applicability of lessons learned from the study of regenerative biology to clinical strategies for the treatment of injured human organs.
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Affiliation(s)
- Anna Jaźwińska
- Department of Biology, University of Fribourg, Switzerland
| | - Pauline Sallin
- Department of Biology, University of Fribourg, Switzerland
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