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Hoyberghs J, Ball J, Trznadel M, Beekhuijzen M, Burbank M, Wilhelmi P, Muriana A, Powles-Glover N, Letamendia A, Van Cruchten S. Biological variability hampers the use of skeletal staining methods in zebrafish embryo developmental toxicity assays. Reprod Toxicol 2024; 127:108615. [PMID: 38815770 DOI: 10.1016/j.reprotox.2024.108615] [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: 01/29/2024] [Revised: 04/18/2024] [Accepted: 05/23/2024] [Indexed: 06/01/2024]
Abstract
Zebrafish embryo assays are used by pharmaceutical and chemical companies as new approach methodologies (NAMs) in developmental toxicity screening. Despite an overall high concordance of zebrafish embryo assays with in vivo mammalian studies, false negative and false positive results have been reported. False negative results in risk assessment models are of particular concern for human safety, as developmental anomalies may be missed. Interestingly, for several chemicals and drugs that were reported to be false negative in zebrafish, skeletal findings were noted in the in vivo studies. As the number of skeletal endpoints assessed in zebrafish is very limited compared to the in vivo mammalian studies, the aim of this study was to investigate whether the sensitivity could be increased by including a skeletal staining method. Three staining methods were tested on zebrafish embryos that were exposed to four teratogens that caused skeletal anomalies in rats and/or rabbits and were false negative in zebrafish embryo assays. These methods included a fixed alizarin red-alcian blue staining, a calcein staining, and a live alizarin red staining. The results showed a high variability in staining intensity of larvae exposed to mammalian skeletal teratogens, as well as variability between control larvae originating from the same clutch of zebrafish. Hence, biological variability in (onset of) bone development in zebrafish hampers the detection of (subtle) treatment-related bone effects that are not picked-up by gross morphology. In conclusion, the used skeletal staining methods did not increase the sensitivity of zebrafish embryo developmental toxicity assays.
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2
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Pereur R, Dambroise E. Insights into Craniofacial Development and Anomalies: Exploring Fgf Signaling in Zebrafish Models. Curr Osteoporos Rep 2024; 22:340-352. [PMID: 38739352 DOI: 10.1007/s11914-024-00873-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/22/2024] [Indexed: 05/14/2024]
Abstract
PURPOSE OF REVIEW To illustrate the value of using zebrafish to understand the role of the Fgf signaling pathway during craniofacial skeletal development under normal and pathological conditions. RECENT FINDINGS Recent data obtained from studies on zebrafish have demonstrated the genetic redundancy of Fgf signaling pathway and have identified new molecular partners of this signaling during the early stages of craniofacial skeletal development. Studies on zebrafish models demonstrate the involvement of the Fgf signaling pathway at every stage of craniofacial development. They particularly emphasize the central role of Fgf signaling pathway during the early stages of the development, which significantly impacts the formation of the various structures making up the craniofacial skeleton. This partly explains the craniofacial abnormalities observed in disorders associated with FGF signaling. Future research efforts should focus on investigating zebrafish Fgf signaling during more advanced stages, notably by establishing zebrafish models expressing mutations responsible for diseases such as craniosynostoses.
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Affiliation(s)
- Rachel Pereur
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, Université Paris Cité, INSERM UMR 1163, Imagine Institut, 24 boulevard Montparnasse, 75015, Paris, France
| | - Emilie Dambroise
- Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, Université Paris Cité, INSERM UMR 1163, Imagine Institut, 24 boulevard Montparnasse, 75015, Paris, France.
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Carvajal-Agudelo JD, Eaton J, Franz-Odendaal TA. Reduced ossification caused by 3D simulated microgravity exposure is short-term in larval zebrafish. LIFE SCIENCES IN SPACE RESEARCH 2024; 41:127-135. [PMID: 38670639 DOI: 10.1016/j.lssr.2024.02.006] [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: 12/04/2023] [Revised: 02/11/2024] [Accepted: 02/20/2024] [Indexed: 04/28/2024]
Abstract
Understanding how skeletal tissues respond to microgravity is ever more important with the increased interest in human space travel. Here, we exposed larval Danio rerio at 3.5 dpf to simulated microgravity (SMG) using a 3D mode of rotation in a ground-based experiment and then studied different cellular, molecular, and morphological bone responses both immediately after exposure and one week later. Our results indicate an overall decrease in ossification in several developing skeletal elements immediately after SMG exposure with the exception of the otoliths, however ossification returns to normal levels seven days after exposure. Coincident with the reduction in overall ossification tnfsf11 (RANKL) expression is highly elevated after 24 h of SMG exposure and also returns to normal levels seven days after exposure. We also show that genes associated with osteoblasts are unaffected immediately after SMG exposure. Thus, the observed reduction in ossification is primarily the result of a high level of bone resorption. This study sheds insight into the nuances of how osteoblasts and osteoclasts in the skeleton of a vertebrate organism respond to an external environmental disturbance, in this case simulated microgravity.
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Affiliation(s)
| | - Jordan Eaton
- Department of Biology, Mount Saint Vincent University, Halifax, NS, B3M 2J6, Canada; Department of Biology, Saint Mary's University, Halifax, NS, Canada
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Fox SC, Waskiewicz AJ. Transforming growth factor beta signaling and craniofacial development: modeling human diseases in zebrafish. Front Cell Dev Biol 2024; 12:1338070. [PMID: 38385025 PMCID: PMC10879340 DOI: 10.3389/fcell.2024.1338070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/18/2024] [Indexed: 02/23/2024] Open
Abstract
Humans and other jawed vertebrates rely heavily on their craniofacial skeleton for eating, breathing, and communicating. As such, it is vital that the elements of the craniofacial skeleton develop properly during embryogenesis to ensure a high quality of life and evolutionary fitness. Indeed, craniofacial abnormalities, including cleft palate and craniosynostosis, represent some of the most common congenital abnormalities in newborns. Like many other organ systems, the development of the craniofacial skeleton is complex, relying on specification and migration of the neural crest, patterning of the pharyngeal arches, and morphogenesis of each skeletal element into its final form. These processes must be carefully coordinated and integrated. One way this is achieved is through the spatial and temporal deployment of cell signaling pathways. Recent studies conducted using the zebrafish model underscore the importance of the Transforming Growth Factor Beta (TGF-β) and Bone Morphogenetic Protein (BMP) pathways in craniofacial development. Although both pathways contain similar components, each pathway results in unique outcomes on a cellular level. In this review, we will cover studies conducted using zebrafish that show the necessity of these pathways in each stage of craniofacial development, starting with the induction of the neural crest, and ending with the morphogenesis of craniofacial elements. We will also cover human skeletal and craniofacial diseases and malformations caused by mutations in the components of these pathways (e.g., cleft palate, craniosynostosis, etc.) and the potential utility of zebrafish in studying the etiology of these diseases. We will also briefly cover the utility of the zebrafish model in joint development and biology and discuss the role of TGF-β/BMP signaling in these processes and the diseases that result from aberrancies in these pathways, including osteoarthritis and multiple synostoses syndrome. Overall, this review will demonstrate the critical roles of TGF-β/BMP signaling in craniofacial development and show the utility of the zebrafish model in development and disease.
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5
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Huang W, Shi X, Zhang Q, Chen Y, Zheng S, Wu W, Luo C, Wu K. Transgenerational effects of BDE-47 to zebrafish based on histomorphometry and toxicogenomic analyses. CHEMOSPHERE 2023; 344:140401. [PMID: 37839753 DOI: 10.1016/j.chemosphere.2023.140401] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023]
Abstract
Exposure to 2, 2', 4, 4'-tetrabromodiphenyl ether (BDE-47) has been found to have an impact on reproductive output and endocrine function in female zebrafish (Danio rerio). However, the transgenerational effects of BDE-47 have not been fully explored in previous reports. In this study, female zebrafish were exposed to BDE-47 for three consecutive weeks. The oogenesis, sex hormones, reproductive histology, and transcriptional profiles of genes along the hypothalamus-pituitary-gonad (HPG) axis were assessed in the exposed-F0 generation. After mating with unexposed males, the transgenerational effects of BDE-47 were evaluated on the basis of histopathology, morphometry and toxicogenome of the unexposed F1 generations at the larval stage. Results indicated that exposure to BDE-47 impaired reproductive capacity, disrupted endocrine system in F0 zebrafish, and compromised craniofacial skeletons and vertebrae development in F1 generations. In addition, through the use of toxicogenomics approach, immune-responsive pathways were found to be significantly enriched, and the transcript expression profiling of immune-related DEGs (IRDs) were dramatically inhibited in F1 generations following maternal BDE-47 exposure, indicating its immunotoxicity to offspring larvae. These findings advance our understanding of the transgenerational toxicity of BDE-47 and advocate for a more comprehensive assessment of other PBDE congeners through histomorphometry and toxicogenomic approaches.
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Affiliation(s)
- Wenlong Huang
- Department of Forensic Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Xiaoling Shi
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Qiong Zhang
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Yuequn Chen
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Shukai Zheng
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Wenying Wu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Congying Luo
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China
| | - Kusheng Wu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, People's Republic of China.
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Wynsberghe JV, Vanakker OM. Significance of Premature Vertebral Mineralization in Zebrafish Models in Mechanistic and Pharmaceutical Research on Hereditary Multisystem Diseases. Biomolecules 2023; 13:1621. [PMID: 38002303 PMCID: PMC10669475 DOI: 10.3390/biom13111621] [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: 09/21/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
Zebrafish are increasingly becoming an important model organism for studying the pathophysiological mechanisms of human diseases and investigating how these mechanisms can be effectively targeted using compounds that may open avenues to novel treatments for patients. The zebrafish skeleton has been particularly instrumental in modeling bone diseases as-contrary to other model organisms-the lower load on the skeleton of an aquatic animal enables mutants to survive to early adulthood. In this respect, the axial skeletons of zebrafish have been a good read-out for congenital spinal deformities such as scoliosis and degenerative disorders such as osteoporosis and osteoarthritis, in which aberrant mineralization in humans is reflected in the respective zebrafish models. Interestingly, there have been several reports of hereditary multisystemic diseases that do not affect the vertebral column in human patients, while the corresponding zebrafish models systematically show anomalies in mineralization and morphology of the spine as their leading or, in some cases, only phenotype. In this review, we describe such examples, highlighting the underlying mechanisms, the already-used or potential power of these models to help us understand and amend the mineralization process, and the outstanding questions on how and why this specific axial type of aberrant mineralization occurs in these disease models.
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Affiliation(s)
- Judith Van Wynsberghe
- Center for Medical Genetics, Ghent University Hospital, 9000 Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium
- Ectopic Mineralization Research Group, 9000 Ghent, Belgium
| | - Olivier M Vanakker
- Center for Medical Genetics, Ghent University Hospital, 9000 Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium
- Ectopic Mineralization Research Group, 9000 Ghent, Belgium
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Guillemyn B, De Saffel H, Bek JW, Tapaneeyaphan P, De Clercq A, Jarayseh T, Debaenst S, Willaert A, De Rycke R, Byers PH, Rosseel T, Coucke P, Blaumeiser B, Syx D, Malfait F, Symoens S. Syntaxin 18 Defects in Human and Zebrafish Unravel Key Roles in Early Cartilage and Bone Development. J Bone Miner Res 2023; 38:1718-1730. [PMID: 37718532 DOI: 10.1002/jbmr.4914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/08/2023] [Accepted: 09/09/2023] [Indexed: 09/19/2023]
Abstract
SNARE proteins comprise a conserved protein family responsible for catalyzing membrane fusion during vesicle traffic. Syntaxin18 (STX18) is a poorly characterized endoplasmic reticulum (ER)-resident t-SNARE. Recently, together with TANGO1 and SLY1, its involvement was shown in ER to Golgi transport of collagen II during chondrogenesis. We report a fetus with a severe osteochondrodysplasia in whom we identified a homozygous substitution of the highly conserved p.Arg10 to Pro of STX18. CRISPR/Cas9-mediated Stx18 deficiency in zebrafish reveals a crucial role for Stx18 in cartilage and bone development. Furthermore, increased expression of multiple components of the Stx18 SNARE complex and of COPI and COPII proteins suggests that Stx18 deficiency impairs antero- and retrograde vesicular transport in the crispant stx18 zebrafish. Taken together, our studies highlight a new candidate gene for a recessive form of osteochondrodysplasia, thereby possibly broadening the SNAREopathy phenotypic spectrum and opening new doors toward future research avenues. © 2023 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Brecht Guillemyn
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Hanna De Saffel
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Jan Willem Bek
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Piyanoot Tapaneeyaphan
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Adelbert De Clercq
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Tamara Jarayseh
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Sophie Debaenst
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Andy Willaert
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Riet De Rycke
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
- VIB Center for Inflammation Research and Bioimaging Core, Ghent, Belgium
| | - Peter H Byers
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
- Department of Medicine (Medical Genetics), University of Washington, Seattle, WA, USA
| | - Toon Rosseel
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Paul Coucke
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Bettina Blaumeiser
- Department of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
| | - Delfien Syx
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Fransiska Malfait
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
| | - Sofie Symoens
- Department of Biomolecular Medicine, Center for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium
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8
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Beriotto AC, Vissio PG, Gisbert E, Fernández I, Álvarez González CA, Di Yorio MP, Sallemi JE, Pérez Sirkin DI. From zero to ossified: Larval skeletal ontogeny of the Neotropical Cichlid fish Cichlasoma dimerus. J Morphol 2023; 284:e21641. [PMID: 37708507 DOI: 10.1002/jmor.21641] [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: 04/21/2023] [Revised: 07/24/2023] [Accepted: 08/28/2023] [Indexed: 09/16/2023]
Abstract
The identification of skeletal elements, the analysis of their developmental sequence, and the time of their appearance during larval development are essential to broaden the knowledge of each fish species and to recognize skeletal abnormalities that may affect further fish performance. Therefore, this study aimed to provide a general description of the development of the entire skeleton highlighting its variability in Cichlasoma dimerus. Larvae of C. dimersus were stained with alcian blue and alizarin red from hatching to 25 days posthatching. Skeletogenesis began with the endoskeletal disk and some cartilage structures from the caudal fin and the splachnocranium, while the first bony structure observed was the cleithrum. When larvae reached the free-swimming and exogenous feeding stage, mostly bones from the jaws, the branchial arches, and the opercle series evidenced some degree of ossification, suggesting that the ossification sequence of C. dimerus adjusts to physiological demands such as feeding and ventilation. The caudal region was the most variable regarding meristic counts and evidenced higher incidence of bone deformities. In conclusion, this work provides an overview of C. dimerus skeletogenesis and lays the groundwork for further studies on diverse topics, like developmental plasticity, rearing conditions, or phylogenetic relationships.
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Affiliation(s)
- Agustina C Beriotto
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Paula G Vissio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Enric Gisbert
- IRTA, Centre de la Ràpita, Aquaculture Program, Sant Carles de la Ràpita, España
| | - Ignacio Fernández
- Centro Oceanográfico de Vigo, Instituto Español de Oceanografía (IEO), CSIC, Vigo, España
| | - Carlos A Álvarez González
- Laboratorio de Acuicultura Tropical, División Académica de Ciencias Biológicas, Universidad Juárez Autónoma de Tabasco, Villahermosa, México
| | - María P Di Yorio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Julieta E Sallemi
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
| | - Daniela I Pérez Sirkin
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET, Buenos Aires, Argentina
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9
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Balasubramanian S, Rangasamy S, Vivekanandam R, Perumal E. Acute exposure to tenorite nanoparticles induces phenotypic and behavior alterations in zebrafish larvae. CHEMOSPHERE 2023; 339:139681. [PMID: 37524270 DOI: 10.1016/j.chemosphere.2023.139681] [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: 06/12/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/02/2023]
Abstract
Tenorite or copper oxide nanoparticles (CuO NPs) are extensively used in biomedical fields due to their unique physicochemical properties. Increased usage of these NPs leads to release in the environment, affecting varied ecosystems and the biota within them, including humans. The effect of these NPs can be evaluated with zebrafish, an excellent complementary model for nanotoxicity studies. Previous reports focusing on CuO NPs-induced teratogenicity in zebrafish development have not elucidated the phenotypical changes in detail. In most of the studies, embryos at 3 hpf with a protective chorion layer were exposed to CuO NPs, and their effect on the overall developmental process is studied. Hence, in this study, we focused on the effect of acute exposure to CuO NPs (96-120 hpf) and its impact on zebrafish larvae. Larvae were exposed to commercially available CuO NPs (<50 nm) at various concentrations to obtain the LC50 value (52.556 ppm). Based on the LC50, three groups (10, 20, and 40 ppm) were taken for further analysis. Upon treatment, bradycardia, and impaired swim bladder (reduced/absence of inflation) were found in the treated groups along with alterations in the erythrocyte levels. Also, the angles and distance between the cartilages varied in the treated larvae affecting their craniofacial structures. There was a significant behavior change, as evidenced by the reduced touch escape response and locomotion (speed, distance, time mobile, time frozen, and absolute turn angle). Further, the acetylcholinesterase activity was reduced. Overall, our results suggest that acute exposure to CuO NPs elicits morphological defects in zebrafish larvae.
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Affiliation(s)
| | - Sakthi Rangasamy
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, 641046, India
| | - Reethu Vivekanandam
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, 641046, India
| | - Ekambaram Perumal
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, 641046, India.
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10
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Ahkin Chin Tai JK, Horzmann KA, Jenkins TL, Akoro IN, Stradtman S, Aryal UK, Freeman JL. Adverse developmental impacts in progeny of zebrafish exposed to the agricultural herbicide atrazine during embryogenesis. ENVIRONMENT INTERNATIONAL 2023; 180:108213. [PMID: 37774458 PMCID: PMC10613503 DOI: 10.1016/j.envint.2023.108213] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023]
Abstract
Atrazine (ATZ) is an herbicide commonly used on crops in the Midwestern US and other select global regions. The US Environmental Protection Agency ATZ regulatory limit is 3 parts per billion (ppb; µg/L), but this limit is often exceeded. ATZ has a long half-life, is a common contaminant of drinking water sources, and is indicated as an endocrine disrupting chemical in multiple species. The zebrafish was used to test the hypothesis that an embryonic parental ATZ exposure alters protein levels leading to modifications in morphology and behavior in developing progeny. Zebrafish embryos (F1) were collected from adults (F0) exposed to 0, 0.3, 3, or 30 ppb ATZ during embryogenesis. Differential proteomics, morphology, and behavior assays were completed with offspring aged 120 or 144 h with no additional chemical treatment. Proteomic analysis identified differential expression of proteins associated with neurological development and disease; and organ and organismal morphology, development, and injury, specifically the skeletomuscular system. Head length and ratio of head length to total length was significantly increased in the F1 of 0.3 and 30 ppb ATZ groups (p < 0.05). Based on molecular pathway alterations, further craniofacial morphology assessment found decreased distance for cartilaginous structures, decreased surface area and distance between saccular otoliths, and a more posteriorly positioned notochord (p < 0.05), indicating delayed ossification and skeletal growth. The visual motor response assay showed hyperactivity in progeny of the 30 ppb treatment group for distance moved and of the 0.3 and 30 ppb treatment groups for time spent moving (p < 0.05). Due to the changes in saccular otoliths, an acoustic startle assay was completed and showed decreased response in the 0.3 and 30 ppb treatments (p < 0.05). These findings suggest that a single embryonic parental exposure alters cellular pathways in their progeny that lead to perturbations in craniofacial development and behavior.
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Affiliation(s)
| | - Katharine A Horzmann
- School of Health Sciences, Purdue University, West Lafayette, IN, USA; Department of Pathobiology, Auburn University, Auburn, AL, USA
| | - Thomas L Jenkins
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA
| | - Isabelle N Akoro
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Sydney Stradtman
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Uma K Aryal
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA; Bindley Bioscience Center, Discovery Park, Purdue University, West Lafayette, IN, USA
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11
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Zinck NW, McInnis SJL, Franz-Odendaal TA. Intravitreal injection of FGF and TGF-β inhibitors disrupts cranial cartilage development. Differentiation 2023; 133:51-59. [PMID: 37481903 DOI: 10.1016/j.diff.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023]
Abstract
Cartilage development is a tightly regulated process that requires the interaction of epithelial and mesenchymal tissues layers to initiate the aggregation of mesenchyme in a condensation. Several signaling molecules have been implicated in cartilage formation including FGFs, WNTs, and members of the TGF-β super family. However, little is known about the earliest signals involved in these initial phases of development. Here we aimed to investigate whether direct intravitreal injection of pharmaceutical inhibitors for FGF and TGF-β signaling would perturb cranial cartilages in zebrafish. Via wholemount bone and cartilage staining, we found effects on multiple cranial cartilage elements. We found no effect on scleral cartilage development, however, the epiphyseal bar, basihyal, and basicapsular cartilages were disrupted. Interestingly, the epiphyseal bar arises from the same progenitor pool as the scleral cartilage, namely, the periocular ectomesenchyme. This study adds to the foundational knowledge about condensation induction of cranial cartilage development and provides insight into the timing and signaling involved in the early development of several craniofacial cartilage elements in zebrafish.
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Affiliation(s)
- Nicholas W Zinck
- Department of Medical Neuroscience, Dalhousie University, 5850 College Street, Halifax, NS, B3H 4R2, Canada; Department of Biology, Mount Saint Vincent University, 166 Bedford Highway, Halifax, NS, B3M 2J6, Canada
| | - Shea J L McInnis
- Department of Biology, Mount Saint Vincent University, 166 Bedford Highway, Halifax, NS, B3M 2J6, Canada; Department of Biology, Saint Mary's University, 923 Robie Street, Halifax, NS, B3H 3C3, Canada
| | - Tamara A Franz-Odendaal
- Department of Biology, Mount Saint Vincent University, 166 Bedford Highway, Halifax, NS, B3M 2J6, Canada.
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12
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Adrião A, Mariano S, Mariano J, Gavaia PJ, Cancela ML, Vitorino M, Conceição N. mef2ca and mef2cb Double Mutant Zebrafish Show Altered Craniofacial Phenotype and Motor Behaviour. Biomolecules 2023; 13:biom13050805. [PMID: 37238675 DOI: 10.3390/biom13050805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/28/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
The transcription factor MEF2C is crucial in neuronal, cardiac, bone and cartilage molecular processes, as well as for craniofacial development. MEF2C was associated with the human disease MRD20, whose patients show abnormal neuronal and craniofacial development. Zebrafish mef2ca;mef2cb double mutants were analysed for abnormalities in craniofacial and behaviour development through phenotypic analysis. Quantitative PCR was performed to investigate the expression levels of neuronal marker genes in mutant larvae. The motor behaviour was analysed by the swimming activity of 6 dpf larvae. We found that mef2ca;mef2cb double mutants display several abnormal phenotypes during early development, including those already described in zebrafish carrying mutations in each paralog, but also (i) a severe craniofacial phenotype (comprising both cartilaginous and dermal bone structures), (ii) developmental arrest due to the disruption of cardiac oedema and (iii) clear alterations in behaviour. We demonstrate that the defects observed in zebrafish mef2ca;mef2cb double mutants are similar to those previously described in MEF2C-null mice and MRD20 patients, confirming the usefulness of these mutant lines as a model for studies concerning MRD20 disease, the identification of new therapeutic targets and screening for possible rescue strategies.
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Affiliation(s)
- Andreia Adrião
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Sara Mariano
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - José Mariano
- Faculty of Sciences and Technology, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Center of Physics and Engineering of Advanced Materials (CeFEMA), IST, Universidade de Lisboa, Av. Rovisco Pais, 1096-001 Lisboa, Portugal
| | - Paulo J Gavaia
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Faculty of Medicine and Biomedical Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - M Leonor Cancela
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Faculty of Medicine and Biomedical Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Algarve Biomedical Center, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Marta Vitorino
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Faculty of Medicine and Biomedical Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Algarve Biomedical Center, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Natércia Conceição
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Faculty of Medicine and Biomedical Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Algarve Biomedical Center, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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13
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Hoffmann M, Gerlach S, Takamiya M, Tarazi S, Hersch N, Csiszár A, Springer R, Dreissen G, Scharr H, Rastegar S, Beil T, Strähle U, Merkel R, Hoffmann B. Smuggling on the Nanoscale-Fusogenic Liposomes Enable Efficient RNA-Transfer with Negligible Immune Response In Vitro and In Vivo. Pharmaceutics 2023; 15:pharmaceutics15041210. [PMID: 37111695 PMCID: PMC10146161 DOI: 10.3390/pharmaceutics15041210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
The efficient and biocompatible transfer of nucleic acids into mammalian cells for research applications or medical purposes is a long-standing, challenging task. Viral transduction is the most efficient transfer system, but often entails high safety levels for research and potential health impairments for patients in medical applications. Lipo- or polyplexes are commonly used transfer systems but result in comparably low transfer efficiencies. Moreover, inflammatory responses caused by cytotoxic side effects were reported for these transfer methods. Often accountable for these effects are various recognition mechanisms for transferred nucleic acids. Using commercially available fusogenic liposomes (Fuse-It-mRNA), we established highly efficient and fully biocompatible transfer of RNA molecules for in vitro as well as in vivo applications. We demonstrated bypassing of endosomal uptake routes and, therefore, of pattern recognition receptors that recognize nucleic acids with high efficiency. This may underlie the observed almost complete abolishment of inflammatory cytokine responses. RNA transfer experiments into zebrafish embryos and adult animals fully confirmed the functional mechanism and the wide range of applications from single cells to organisms.
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Affiliation(s)
- Marco Hoffmann
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Sven Gerlach
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Masanari Takamiya
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Postfach 3640, 76021 Karlsruhe, Germany
| | - Samar Tarazi
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Nils Hersch
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Agnes Csiszár
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Ronald Springer
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Georg Dreissen
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Hanno Scharr
- IAS-8: Data Analytics and Machine Learning, Institute for Advanced Simulation, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Sepand Rastegar
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Postfach 3640, 76021 Karlsruhe, Germany
| | - Tanja Beil
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Postfach 3640, 76021 Karlsruhe, Germany
| | - Uwe Strähle
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Postfach 3640, 76021 Karlsruhe, Germany
| | - Rudolf Merkel
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Bernd Hoffmann
- IBI-2: Mechanobiology, Institute of Biological Information Processing, Forschungszentrum Jülich, 52428 Jülich, Germany
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14
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Drábiková L, Fjelldal PG, Yousaf MN, Morken T, De Clercq A, McGurk C, Witten PE. Elevated Water CO 2 Can Prevent Dietary-Induced Osteomalacia in Post-Smolt Atlantic Salmon ( Salmo salar, L.). Biomolecules 2023; 13:biom13040663. [PMID: 37189410 DOI: 10.3390/biom13040663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/13/2023] [Accepted: 03/29/2023] [Indexed: 05/17/2023] Open
Abstract
Expansion of land-based systems in fish farms elevate the content of metabolic carbon dioxide (CO2) in the water. High CO2 is suggested to increase the bone mineral content in Atlantic salmon (Salmo salar, L.). Conversely, low dietary phosphorus (P) halts bone mineralization. This study examines if high CO2 can counteract reduced bone mineralization imposed by low dietary P intake. Atlantic salmon post-seawater transfer (initial weight 207.03 g) were fed diets containing 6.3 g/kg (0.5P), 9.0 g/kg (1P), or 26.8 g/kg (3P) total P for 13 weeks. Atlantic salmon from all dietary P groups were reared in seawater which was not injected with CO2 and contained a regular CO2 level (5 mg/L) or in seawater with injected CO2 thus raising the level to 20 mg/L. Atlantic salmon were analyzed for blood chemistry, bone mineral content, vertebral centra deformities, mechanical properties, bone matrix alterations, expression of bone mineralization, and P metabolism-related genes. High CO2 and high P reduced Atlantic salmon growth and feed intake. High CO2 increased bone mineralization when dietary P was low. Atlantic salmon fed with a low P diet downregulated the fgf23 expression in bone cells indicating an increased renal phosphate reabsorption. The current results suggest that reduced dietary P could be sufficient to maintain bone mineralization under conditions of elevated CO2. This opens up a possibility for lowering the dietary P content under certain farming conditions.
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Affiliation(s)
- Lucia Drábiková
- Evolutionary Developmental Biology, Biology Department, Ghent University, Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Per Gunnar Fjelldal
- Institute of Marine Research (IMR), Matre Research Station, N-5984 Matredal, Norway
| | | | - Thea Morken
- Skretting Aquaculture Innovation, Sjøhagen 3, 4016 Stavanger, Norway
| | - Adelbert De Clercq
- Evolutionary Developmental Biology, Biology Department, Ghent University, Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Charles McGurk
- Skretting Aquaculture Innovation, Sjøhagen 3, 4016 Stavanger, Norway
| | - Paul Eckhard Witten
- Evolutionary Developmental Biology, Biology Department, Ghent University, Ledeganckstraat 35, 9000 Ghent, Belgium
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15
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Charest F, Mondéjar Fernández J, Grünbaum T, Cloutier R. Evolution of median fin patterning and modularity in living and fossil osteichthyans. PLoS One 2023; 18:e0272246. [PMID: 36921006 PMCID: PMC10016723 DOI: 10.1371/journal.pone.0272246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 02/24/2023] [Indexed: 03/16/2023] Open
Abstract
Morphological and developmental similarities, and interactions among developing structures are interpreted as evidences of modularity. Such similarities exist between the dorsal and anal fins of living actinopterygians, on the anteroposterior axis: (1) both fins differentiate in the same direction [dorsal and anal fin patterning module (DAFPM)], and (2) radials and lepidotrichia differentiate in the same direction [endoskeleton and exoskeleton module (EEM)]. To infer the evolution of these common developmental patternings among osteichthyans, we address (1) the complete description and quantification of the DAFPM and EEM in a living actinopterygian (the rainbow trout Oncorhynchus mykiss) and (2) the presence of these modules in fossil osteichthyans (coelacanths, lungfishes, porolepiforms and 'osteolepiforms'). In Oncorhynchus, sequences of skeletal elements are determined based on (1) apparition (radials and lepidotrichia), (2) chondrification (radials), (3) ossification (radials and lepidotrichia), and (4) segmentation plus bifurcation (lepidotrichia). Correlations are then explored between sequences. In fossil osteichthyans, sequences are determined based on (1) ossification (radials and lepidotrichia), (2) segmentation, and (3) bifurcation of lepidotrichia. Segmentation and bifurcation patterns were found crucial for comparisons between extant and extinct osteichthyan taxa. Our data suggest that the EEM is plesiomorphic at least for actinopterygians, and the DAFPM is plesiomorphic for osteichthyans, with homoplastic dissociation. Finally, recurrent patterns suggest the presence of a Lepidotrichia Patterning Module (LPM).
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Affiliation(s)
- France Charest
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, Québec, Canada
- Parc National de Miguasha, Nouvelle, Québec, Canada
| | - Jorge Mondéjar Fernández
- Senckenberg Forschungsinstitut und Naturmuseum Frankfurt, Frankfurt am Main, Germany
- Centre de Recherche en Paléontologie–Paris, Département Origines & Évolution, Muséum National d’Histoire Naturelle, UMR 7207 (MNHN–Sorbonne Université–CNRS), Paris, France
| | - Thomas Grünbaum
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, Québec, Canada
| | - Richard Cloutier
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, Québec, Canada
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16
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Henke K, Farmer DT, Niu X, Kraus JM, Galloway JL, Youngstrom DW. Genetically engineered zebrafish as models of skeletal development and regeneration. Bone 2023; 167:116611. [PMID: 36395960 PMCID: PMC11080330 DOI: 10.1016/j.bone.2022.116611] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/01/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022]
Abstract
Zebrafish (Danio rerio) are aquatic vertebrates with significant homology to their terrestrial counterparts. While zebrafish have a centuries-long track record in developmental and regenerative biology, their utility has grown exponentially with the onset of modern genetics. This is exemplified in studies focused on skeletal development and repair. Herein, the numerous contributions of zebrafish to our understanding of the basic science of cartilage, bone, tendon/ligament, and other skeletal tissues are described, with a particular focus on applications to development and regeneration. We summarize the genetic strengths that have made the zebrafish a powerful model to understand skeletal biology. We also highlight the large body of existing tools and techniques available to understand skeletal development and repair in the zebrafish and introduce emerging methods that will aid in novel discoveries in skeletal biology. Finally, we review the unique contributions of zebrafish to our understanding of regeneration and highlight diverse routes of repair in different contexts of injury. We conclude that zebrafish will continue to fill a niche of increasing breadth and depth in the study of basic cellular mechanisms of skeletal biology.
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Affiliation(s)
- Katrin Henke
- Department of Orthopaedics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA 30322, USA.
| | - D'Juan T Farmer
- Department of Molecular, Cell and Developmental Biology, University of California, Los Angeles, CA 90095, USA; Department of Orthopaedic Surgery, University of California, Los Angeles, CA 90095, USA.
| | - Xubo Niu
- Center for Regenerative Medicine, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
| | - Jessica M Kraus
- Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.
| | - Jenna L Galloway
- Center for Regenerative Medicine, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
| | - Daniel W Youngstrom
- Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.
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17
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Guo W, Jin P, Li R, Huang L, Liu Z, Li H, Zhou T, Fang B, Xia L. Dynamic network biomarker identifies cdkn1a-mediated bone mineralization in the triggering phase of osteoporosis. Exp Mol Med 2023; 55:81-94. [PMID: 36599933 PMCID: PMC9898265 DOI: 10.1038/s12276-022-00915-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/17/2022] [Accepted: 11/02/2022] [Indexed: 01/06/2023] Open
Abstract
The identification of predictive markers to determine the triggering phase prior to the onset of osteoporosis is essential to mitigate further irrevocable deterioration. To determine the early warning signs before osteoporosis, we used the dynamic network biomarker (DNB) approach to analyze time-series gene expression data in a zebrafish osteoporosis model, which revealed that cyclin-dependent kinase inhibitor 1 A (cdkn1a) is a core DNB. We found that cdkn1a negatively regulates osteogenesis, as evidenced by loss-of-function and gain-of-function studies. Specifically, CRISPR/Cas9-mediated cdkn1a knockout in zebrafish significantly altered skeletal development and increased bone mineralization, whereas inducible cdkn1a expression significantly contributed to osteoclast differentiation. We also found several mechanistic clues that cdkn1a participates in osteoclast differentiation by regulating its upstream signaling cascades. To summarize, in this study, we provided new insights into the dynamic nature of osteoporosis and identified cdkn1a as an early-warning signal of osteoporosis onset.
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Affiliation(s)
- Weiming Guo
- grid.16821.3c0000 0004 0368 8293Department of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001 China
| | - Peng Jin
- grid.16821.3c0000 0004 0368 8293Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200001 China
| | - Ruomei Li
- grid.16821.3c0000 0004 0368 8293Department of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001 China
| | - Lu Huang
- grid.16821.3c0000 0004 0368 8293Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200001 China
| | - Zhen Liu
- grid.16821.3c0000 0004 0368 8293Department of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001 China
| | - Hairui Li
- grid.16821.3c0000 0004 0368 8293Department of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001 China
| | - Ting Zhou
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001, China.
| | - Bing Fang
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001, China.
| | - Lunguo Xia
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, 200001, China.
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18
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Vaz DFB, Hilton EJ. Skeletal ontogeny of the Plainfin Midshipman, Porichthys notatus (Percomorphacea: Batrachoidiformes). J Anat 2022; 242:447-494. [PMID: 36524549 PMCID: PMC9919480 DOI: 10.1111/joa.13794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 12/23/2022] Open
Abstract
Batrachoidiformes are benthic fishes that utilize the undersides of rocks as spawning nests. Their larvae are attached to the nest and nourished by a large yolk sac. The evolutionary shift from feeding, free-swimming larvae to sedentary larvae that are reliant on their yolk sac for nutrition can lead to changes in skeletal development. Batrachoidiformes also have many morphological specializations, such as five pectoral-fin radials (versus four in other acanthomorphs) that are of uncertain homology, the determination of which may have phylogenetic implications. A larval series of Porichthys notatus was collected and its skeletal ontogeny is described. In P. notatus the ossification of the pharyngeal toothplates occurs relatively later than in percomorphs with free-swimming larvae. The posterior basibranchial copula cartilage (= fourth basibranchial) in Porichthys notatus has a unique development among fishes: it initially develops as a paired element at 6.8-7.1 mm NL before fusing posteriorly and forming single median cartilage at 7.4 mm SL. Cartilages of hypobranchial four are transitory, being observed in two specimens of 6.8 and 7.3 mm NL before fusing with ceratobranchial four. The previously identified dorsalmost pectoral radial is a bone formed by a hypertrophied propterygium that ossifies later in development. The earliest stages of P. notatus have three dorsal spines, but during late larval development, the growth of the third dorsal spine is interrupted. The development of P. notatus is compared and discussed in context to that of other acanthomorph.
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Affiliation(s)
- Diego F. B. Vaz
- Museum of Comparative ZoologyHarvard UniversityCambridgeMassachusettsUSA,Guam Ecosystems Collaboratorium Biorepository, Guam EPSCoRMarine Laboratory, University of GuamMangilaoGuamUSA
| | - Eric J. Hilton
- Department of Fisheries ScienceVirginia Institute of Marine Science, William & MaryGloucester PointVirginiaUSA
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19
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Lin WY, Dharini KK, Peng CH, Lin CY, Yeh KT, Lee WC, Lin MD. Zebrafish models for glucocorticoid-induced osteoporosis. Tzu Chi Med J 2022; 34:373-380. [PMID: 36578638 PMCID: PMC9791848 DOI: 10.4103/tcmj.tcmj_80_22] [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: 03/29/2022] [Revised: 05/10/2022] [Accepted: 06/07/2022] [Indexed: 11/30/2022] Open
Abstract
Glucocorticoid-induced osteoporosis (GIOP) is the most common form of secondary osteoporosis due to excessive or long-term glucocorticoid administration, disturbing the homeostasis between bone formation and bone resorption. The bone biology of zebrafish shares a high degree of similarities with mammals. In terms of molecular level, genes and signaling pathways related to skeletogenesis are also highly correlated between zebrafish and humans. Therefore, zebrafish have been utilized to develop multiple GIOP models. Taking advantage of the transparency of zebrafish larvae, their skeletal development and bone mineralization can be readily visualized through in vivo staining without invasive experimental handlings. Moreover, the feasibility of using scales or fin rays to study bone remodeling makes adult zebrafish an ideal model for GIOP research. Here, we reviewed current zebrafish models for GIOP research, focused on the tools and methods established for examining bone homeostasis. As an in vivo, convenient, and robust model, zebrafish have an advantage in performing high-throughput drug screening and could be used to investigate the action mechanisms of therapeutic drugs.
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Affiliation(s)
- Wen-Ying Lin
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | | | - Cheng-Huan Peng
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan,Institute of Medical Science, Tzu Chi University, Hualien, Taiwan,School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Chung-Yen Lin
- Institute of Information Science, Academia Sinica, Taipei, Taiwan
| | - Kuang-Ting Yeh
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan,School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Wen-Chih Lee
- Research Center for Global SDGs Challenges, Office of Research and Development, Tzu Chi University, Hualien, Taiwan,Address for correspondence: Dr. Wen-Chih Lee, Research Center for Global SDGs Challenges, Office of Research and Development, Tzu Chi University, 701, Zhongyang Road, Section 3, Hualien, Taiwan. E-mail:
Prof. Ming-Der Lin, Department of Molecular Biology and Human Genetics, Tzu Chi University, 701, Zhongyang Road, Section 3, Hualien, Taiwan. E-mail:
| | - Ming-Der Lin
- Institute of Medical Science, Tzu Chi University, Hualien, Taiwan,Department of Molecular Biology and Human Genetics, Tzu Chi University, Hualien, Taiwan,Address for correspondence: Dr. Wen-Chih Lee, Research Center for Global SDGs Challenges, Office of Research and Development, Tzu Chi University, 701, Zhongyang Road, Section 3, Hualien, Taiwan. E-mail:
Prof. Ming-Der Lin, Department of Molecular Biology and Human Genetics, Tzu Chi University, 701, Zhongyang Road, Section 3, Hualien, Taiwan. E-mail:
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20
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Rosa JT, Tarasco M, Gavaia PJ, Cancela ML, Laizé V. Screening of Mineralogenic and Osteogenic Compounds in Zebrafish—Tools to Improve Assay Throughput and Data Accuracy. Pharmaceuticals (Basel) 2022; 15:ph15080983. [PMID: 36015130 PMCID: PMC9412667 DOI: 10.3390/ph15080983] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/24/2022] [Accepted: 08/03/2022] [Indexed: 12/16/2022] Open
Abstract
Bone disorders affect millions of people worldwide and treatments currently available often produce undesirable secondary effects or have limited efficacy. It is therefore of the utmost interest for patients to develop more efficient drugs with reduced off-target activities. In the long process of drug development, screening and preclinical validation have recently gained momentum with the increased use of zebrafish as a model organism to study pathological processes related to human bone disorders, and the development of zebrafish high-throughput screening assays to identify bone anabolic compounds. In this review, we provided a comprehensive overview of the literature on zebrafish bone-related assays and evaluated their performance towards an integration into screening pipelines for the discovery of mineralogenic/osteogenic compounds. Tools available to standardize fish housing and feeding procedures, synchronize embryo production, and automatize specimen sorting and image acquisition/analysis toward faster and more accurate screening outputs were also presented.
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Affiliation(s)
- Joana T. Rosa
- Centre of Marine Sciences, University of Algarve, 8005-139 Faro, Portugal
- S2AQUA—Collaborative Laboratory, Association for a Sustainable and Smart Aquaculture, 8700-194 Olhão, Portugal
| | - Marco Tarasco
- Centre of Marine Sciences, University of Algarve, 8005-139 Faro, Portugal
| | - Paulo J. Gavaia
- Centre of Marine Sciences, University of Algarve, 8005-139 Faro, Portugal
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal
- GreenColab—Associação Oceano Verde, University of Algarve, 8005-139 Faro, Portugal
| | - M. Leonor Cancela
- Centre of Marine Sciences, University of Algarve, 8005-139 Faro, Portugal
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal
- Algarve Biomedical Center, University of Algarve, 8005-139 Faro, Portugal
| | - Vincent Laizé
- Centre of Marine Sciences, University of Algarve, 8005-139 Faro, Portugal
- S2AQUA—Collaborative Laboratory, Association for a Sustainable and Smart Aquaculture, 8700-194 Olhão, Portugal
- Correspondence:
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21
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Tonelotto V, Consorti C, Facchinello N, Trapani V, Sabatelli P, Giraudo C, Spizzotin M, Cescon M, Bertolucci C, Bonaldo P. Collagen VI ablation in zebrafish causes neuromuscular defects during developmental and adult stages. Matrix Biol 2022; 112:39-61. [PMID: 35961424 DOI: 10.1016/j.matbio.2022.08.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/21/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Collagen VI (COL6) is an extracellular matrix protein exerting multiple functions in different tissues. In humans, mutations of COL6 genes cause rare inherited congenital disorders, primarily affecting skeletal muscles and collectively known as COL6-related myopathies, for which no cure is available yet. In order to get insights into the pathogenic mechanisms underlying COL6-related diseases, diverse animal models were produced. However, the roles exerted by COL6 during embryogenesis remain largely unknown. Here, we generated the first zebrafish COL6 knockout line through CRISPR/Cas9 site-specific mutagenesis of the col6a1 gene. Phenotypic characterization during embryonic and larval development revealed that lack of COL6 leads to neuromuscular defects and motor dysfunctions, together with distinctive alterations in the three-dimensional architecture of craniofacial cartilages. These phenotypic features were maintained in adult col6a1 null fish, which displayed defective muscle organization and impaired swimming capabilities. Moreover, col6a1 null fish showed autophagy defects and organelle abnormalities at both embryonic and adult stages, thus recapitulating the main features of patients affected by COL6-related myopathies. Mechanistically, lack of COL6 led to increased BMP signaling, and direct inhibition of BMP activity ameliorated the locomotor col6a1 null embryos. Finally performance of, treatment with salbutamol, a β2-adrenergic receptor agonist, elicited a significant amelioration of the neuromuscular and motility defects of col6a1 null fish embryos. Altogether, these findings indicate that this newly generated zebrafish col6a1 null line is a valuable in vivo tool to model COL6-related myopathies and suitable for drug screenings aimed at addressing the quest for effective therapeutic strategies for these disorders.
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Affiliation(s)
| | - Chiara Consorti
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy
| | - Nicola Facchinello
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy
| | - Valeria Trapani
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy
| | - Patrizia Sabatelli
- CNR - Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Unit of Bologna, 40136, Bologna, Italy; IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Chiara Giraudo
- Department of Medicine, Unit of Advanced Clinical and Translational Imaging, University of Padova, 35128 Padova, Italy
| | - Marianna Spizzotin
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy
| | - Matilde Cescon
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, University of Ferrara, 44121 Ferrara, Italy
| | - Paolo Bonaldo
- Department of Molecular Medicine, University of Padova, 35131 Padova, Italy; CRIBI Biotechnology Center, University of Padova, 35131 Padova, Italy.
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22
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Nguyen SV, Lanni D, Xu Y, Michaelson JS, McMenamin SK. Dynamics of the Zebrafish Skeleton in Three Dimensions During Juvenile and Adult Development. Front Physiol 2022; 13:875866. [PMID: 35721557 PMCID: PMC9204358 DOI: 10.3389/fphys.2022.875866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/06/2022] [Indexed: 12/24/2022] Open
Abstract
Zebrafish are a valuable model for normal vertebrate skeletogenesis and the study of myriad bone disorders. Bones grow, ossify and change shape throughout the zebrafish lifetime, and 3D technologies allow us to examine skeletogenic processes in detail through late developmental stages. To facilitate analysis of shape, orientation and tissue density of skeletal elements throughout ontogeny and adulthood, we generated a high-resolution skeletal reference dataset of wild-type zebrafish development. Using microCT technology, we produced 3D models of the skeletons of individuals ranging from 12 to 25 mm standard length (SL). We analyzed the dynamics of skeletal density and volume as they increase during juvenile and adult growth. Our resource allows anatomical comparisons between meristic units within an individual-e.g., we show that the vertebral canal width increases posteriorly along the spine. Further, structures may be compared between individuals at different body sizes: we highlight the shape changes that the lower jaw undergoes as fish mature from juvenile to adult. We show that even reproductively mature adult zebrafish (17-25 mm SL) continue to undergo substantial changes in skeletal morphology and composition with continued adult growth. We provide a segmented model of the adult skull and a series of interactive 3D PDFs at a range of key stages. These resources allow changes in the skeleton to be assessed quantitatively and qualitatively through late stages of development, and can serve as anatomical references for both research and education.
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Affiliation(s)
- Stacy V Nguyen
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Dominic Lanni
- Biology Department, Vassar College, Poughkeepsie, NY, United States
| | - Yongqi Xu
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - James S Michaelson
- Department of Pathology, Massachusetts General Hospital, Boston, MA, United States
| | - Sarah K McMenamin
- Biology Department, Boston College, Chestnut Hill, MA, United States
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23
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Iwasaki M, Kawakami K, Wada H. Remodeling of the hyomandibular skeleton and facial nerve positioning during embryonic and postembryonic development of teleost fish. Dev Biol 2022; 489:134-145. [PMID: 35750208 DOI: 10.1016/j.ydbio.2022.06.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/03/2022] [Accepted: 06/16/2022] [Indexed: 11/30/2022]
Abstract
The vertebrate skeleton changes its shape during development through the activities of chondrocytes, osteoblasts and osteoclasts. Although much is known about the mechanisms for differentiation in these cells, it is less understood how they behave in a region-specific manner to acquire unique bone shapes. To address this question, we investigated the development of the hyomandibular (Hm) system in zebrafish. The Hm originates as cartilage carrying a single foramen (the Hm foramen), through which the facial (VII) nerve passes. We reveal that Schwann cells, which myelinate the VII nerve, regulate rearrangement of the chondrocytes to enlarge the Hm foramen. The Hm cartilage then becomes ossified in the perichondrium, where the marrow chondrocytes are replaced by adipocytes. Then, the bone matrix along the VII nerve is resorbed by osteoclasts, generating a gateway to the bone marrow. Subsequent movement of the VII nerve into the marrow, followed by deposition of new bone matrix, isolates the nerve from the jaw muscle insertion. Genetic ablation of osteoblasts and osteoclasts reveals specific roles of these cells during remodeling processes. Interestingly, the VII nerve relocation does not occur in medaka; instead, bone deposition distinct from those in zebrafish separates the VII nerve from the muscle insertion. Our results define novel mechanisms for skeletal remodeling, by which the bone shapes in a region- and species-specific manner.
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Affiliation(s)
- Miki Iwasaki
- College of Liberal Arts and Sciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Koichi Kawakami
- National Institute of Genetics; Graduate University for Advanced Studies (SOKENDAI), 1111 Yata, Mishima, Shizuoka 411-8540, Japan
| | - Hironori Wada
- College of Liberal Arts and Sciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan.
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24
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Li K, Fan L, Tian Y, Lou S, Li D, Ma L, Wang L, Pan Y. Application of zebrafish in the study of craniomaxillofacial developmental anomalies. Birth Defects Res 2022; 114:583-595. [PMID: 35437950 DOI: 10.1002/bdr2.2014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 03/18/2022] [Accepted: 04/03/2022] [Indexed: 12/13/2022]
Abstract
Craniomaxillofacial developmental anomalies are one of the most prevalent congenital defects worldwide and could result from any disruption of normal development processes, which is generally influenced by interactions between genes and the environment. Currently, with the advances in genetic screening strategies, an increasing number of novel variants and their roles in orofacial diseases have been explored. Zebrafish is recognized as a powerful animal model, and its homologous genes and similar oral structure and development process provide an ideal platform for studying the contributions of genetic and environmental factors to human craniofacial malformations. Here, we reviewed zebrafish models for the study of craniomaxillofacial developmental anomalies, such as human nonsyndromic cleft lip with or without an affected palate and jaw and tooth developmental anomalies. Due to its potential for gene expression and regulation research, zebrafish may provide new perspectives for understanding craniomaxillofacial diseaseand its treatment.
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Affiliation(s)
- Kang Li
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Liwen Fan
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yu Tian
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Shu Lou
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Dandan Li
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Lan Ma
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Lin Wang
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Yongchu Pan
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, China.,Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
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25
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Keer S, Storch JD, Nguyen S, Prado M, Singh R, Hernandez LP, McMenamin SK. Thyroid hormone shapes craniofacial bones during postembryonic zebrafish development. Evol Dev 2022; 24:61-76. [PMID: 35334153 PMCID: PMC8976723 DOI: 10.1111/ede.12399] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 01/12/2023]
Abstract
Changing the shape of craniofacial bones can profoundly alter ecological function, and understanding how developmental conditions sculpt skeletal phenotypes can provide insight into evolutionary adaptations. Thyroid hormone (TH) stimulates metamorphosis and regulates skeletal morphogenesis across vertebrates. To assess the roles of this hormone in sculpting the craniofacial skeleton of a non-metamorphic vertebrate, we tested zebrafish for developmental periods of TH-induced craniofacial shape change. We analyzed shapes of specific bones that function in prey detection, capture and processing. We quantified these elements from late-larval through adult stages under three developmental TH profiles. Under wild-type conditions, each bone progressively grows allometrically into a mature morphology over the course of postembryonic development. In three of the four bones, TH was required to sculpt an adult shape: hypothyroidism inhibited aspects of shape change, and allowed some components of immature shape to be retained into adulthood. Excess developmental TH stimulated aspects of precocious shape change leading to abnormal morphologies in some bones. Skeletal features with functional importance showed high sensitivities to TH, including the transformator process of the tripus, the mandibular symphysis of the lower jaw, the scutiform lamina of the hyomandibula, and the anterior arm of the pharyngeal jaw. In all, we found that TH is necessary for shaping mature morphology of several essential skeletal elements; this requirement is particularly pronounced during larval development. Altered TH titer leads to abnormal morphologies with likely functional consequences, highlighting the potential of TH and downstream pathways as targets for evolutionary change.
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Affiliation(s)
- Stephanie Keer
- Department of Biological Sciences, The George Washington University, Science and Engineering Hall, 800 22nd Street NW, Suite 6000, Washington, DC 20052 USA
| | - Joshua D. Storch
- Department of Biological Sciences, The George Washington University, Science and Engineering Hall, 800 22nd Street NW, Suite 6000, Washington, DC 20052 USA
| | - Stacy Nguyen
- Biology Department, Boston College, 140 Commonwealth Ave, Higgins Hall Room 360, Chestnut Hill MA 02467 USA
| | - Mia Prado
- Department of Biological Sciences, The George Washington University, Science and Engineering Hall, 800 22nd Street NW, Suite 6000, Washington, DC 20052 USA
| | - Rajendra Singh
- Biology Department, Boston College, 140 Commonwealth Ave, Higgins Hall Room 360, Chestnut Hill MA 02467 USA
| | - L. Patricia Hernandez
- Department of Biological Sciences, The George Washington University, Science and Engineering Hall, 800 22nd Street NW, Suite 6000, Washington, DC 20052 USA
| | - Sarah K. McMenamin
- Biology Department, Boston College, 140 Commonwealth Ave, Higgins Hall Room 360, Chestnut Hill MA 02467 USA
- corresponding author: Sarah K. McMenamin:
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26
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Shkil FN, Borisov V, Seleznev D, Kapitanova D, Abdissa B, Dzerzhinskii K, Smirnov S. Intra- and interspecific variability of the cranial ossification sequences in Barbus sensu lato. Evol Biol 2022. [DOI: 10.1007/s11692-022-09563-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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27
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Miao KZ, Cozzone A, Caetano-Lopes J, Harris MP, Fisher S. Osteoclast activity sculpts craniofacial form to permit sensorineural patterning in the zebrafish skull. Front Endocrinol (Lausanne) 2022; 13:969481. [PMID: 36387889 PMCID: PMC9664155 DOI: 10.3389/fendo.2022.969481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 10/10/2022] [Indexed: 11/07/2022] Open
Abstract
Efforts to understand the morphogenesis of complex craniofacial structures have largely focused on the role of chondrocytes and osteoblasts. Along with these bone-creating cells, bone-resorbing osteoclasts are critical in homeostasis of adult skeletal structures, but there is currently limited information on their role in the complex morphogenetic events of craniofacial development. Fundamental aspects of skull formation and general skeletal development are conserved from zebrafish to mammals. Using a cathepsinK reporter, we documented osteoclast location in the developing zebrafish skull over several weeks, from 5.18 mm to 9.6 mm standard length (approximately 15 to 34 days post fertilization). While broad distribution of osteoclasts is consistent across individuals, they are sparse and the exact locations vary among fish and across developmental time points. Interestingly, we observed osteoclasts concentrating at areas associated with neuromasts and their associated nerves, in particular the hyomandibular foramina and around the supraorbital lateral line. These are areas of active remodeling. In contrast, other areas of rapid bone growth, such as the osteogenic fronts of the frontal and parietal bones, show no particular concentration of osteoclasts, suggesting that they play a special role in shaping bone near neuromasts and nerves. In csf1ra mutants lacking functional osteoclasts, the morphology of the cranial bone was disrupted in both areas. The hyomandibular foramen is present in the initial cartilage template, but after the initiation of ossification, the diameter of the canal is significantly smaller in the absence of osteoclasts. The diameter of the supraorbital lateral line canals was also reduced in the mutants, as was the number of pores associated with neuromasts, which allow for the passage of associated nerves through the bone. Our findings define important and previously unappreciated roles for osteoclast activity in shaping craniofacial skeletal structures with a particular role in bone modeling around peripheral cranial nerves, providing a scaffold for wiring the sensioneural system during craniofacial development. This has important implications for the formation of the evolutionarily diverse lateral line system, as well understanding the mechanism of neurologic sequelae of congenital osteoclast dysfunction in human craniofacial development.
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Affiliation(s)
- Kelly Z. Miao
- Department of Pharmacology and Experimental Therapeutics, Boston University Aram V. Chobanian & Edward Avedisian School of Medicine, Boston, MA, United States
| | - Austin Cozzone
- Department of Pharmacology and Experimental Therapeutics, Boston University Aram V. Chobanian & Edward Avedisian School of Medicine, Boston, MA, United States
| | - Joana Caetano-Lopes
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Boston, MA, United States
- Department of Genetics, Harvard Medical School, Boston, MA, United States
| | - Matthew P. Harris
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Boston, MA, United States
- Department of Genetics, Harvard Medical School, Boston, MA, United States
| | - Shannon Fisher
- Department of Pharmacology and Experimental Therapeutics, Boston University Aram V. Chobanian & Edward Avedisian School of Medicine, Boston, MA, United States
- *Correspondence: Shannon Fisher,
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28
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OUP accepted manuscript. Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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29
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Lee JH, Wei YJ, Zhou ZY, Hou YM, Wang CL, Wang LB, Wu HJ, Zhang Y, Dai WW. Efficacy of the herbal pair, Radix Achyranthis Bidentatae and Eucommiae Cortex, in preventing glucocorticoid-induced osteoporosis in the zebrafish model. JOURNAL OF INTEGRATIVE MEDICINE 2022; 20:83-90. [PMID: 34810131 DOI: 10.1016/j.joim.2021.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 08/23/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE In traditional Chinese medicine, the herbal pair, Radix Achyranthis Bidentatae (RAB) and Eucommiae Cortex (EC), is widely used to treat osteoporosis. Herein, we determined whether this herbal pair can be used to ameliorate glucocorticoid (GC)-induced osteoporosis (GIOP) and find its optimal dosage in zebrafish. METHODS The characteristics of the aqueous extract of RAB and EC were separately characterized using high-performance liquid chromatography. Osteoporosis was induced in 5-day post-fertilization zebrafish larvae by exposing them to 10 μmol/L dexamethasone (Dex) for 96 h. Seven combinations of different ratios of RAB and EC were co-administered. Treatment efficacy was determined by calculating zebrafish vertebral area and sum brightness, via alizarin red staining, and by detecting alkaline phosphatase (ALP) activity. Multiple regression analysis was conducted to test the optimal dosage ratio. RESULTS According to the Chinese Pharmacopoeia (2015), β-ecdysone (β-Ecd) is a major bioactive marker in RAB extract, while pinoresinol diglucoside (PDG) is the major marker in EC extract. Both of β-Ecd and PDG content values aligned with the Chinese Pharmacopoeia standards. Treatment with 10 μmol/L Dex reduced zebrafish vertebral area, sum brightness, and ALP activity, but RAB and EC attenuated these effects. Combining 50 µg/mL RAB and 50 µg/mL EC was optimal for preventing GIOP in zebrafish. Reverse transcription-quantitative polymerase chain reaction was used to evaluate the mRNA expression of osteogenesis-related genes. A treatment of 10 μmol/L Dex decreased runt-related transcription factor 2 (Runx2), osteogenic protein-1 (OP-1), bone γ-carboxyglutamic acid-containing protein (BGLAP), and β-catenin levels. This effect was counteracted by RAB and EC co-treatment (P < 0.05). Additionally, the effect of using the two herbal extracts together was better than single-herb treatments separately. These results demonstrated that RAB and EC preserve osteoblast function in the presence of GC. The best mass ratio was 1:1. CONCLUSION RAB and EC herbal pair could ameliorate GC-induced effects in zebrafish, with 1:1 as the optimal dosage ratio.
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Affiliation(s)
- Joon-Ho Lee
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Yuan-Ji Wei
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Zhong-Yan Zhou
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Yu-Ming Hou
- Cardiovascular Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Cheng-Long Wang
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Li-Bo Wang
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Hong-Jin Wu
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Yu Zhang
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Wei-Wei Dai
- Central Laboratory of Science and Technology Department, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China.
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30
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Le Pabic P, Dranow DB, Hoyle DJ, Schilling TF. Zebrafish endochondral growth zones as they relate to human bone size, shape and disease. Front Endocrinol (Lausanne) 2022; 13:1060187. [PMID: 36561564 PMCID: PMC9763315 DOI: 10.3389/fendo.2022.1060187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022] Open
Abstract
Research on the genetic mechanisms underlying human skeletal development and disease have largely relied on studies in mice. However, recently the zebrafish has emerged as a popular model for skeletal research. Despite anatomical differences such as a lack of long bones in their limbs and no hematopoietic bone marrow, both the cell types in cartilage and bone as well as the genetic pathways that regulate their development are remarkably conserved between teleost fish and humans. Here we review recent studies that highlight this conservation, focusing specifically on the cartilaginous growth zones (GZs) of endochondral bones. GZs can be unidirectional such as the growth plates (GPs) of long bones in tetrapod limbs or bidirectional, such as in the synchondroses of the mammalian skull base. In addition to endochondral growth, GZs play key roles in cartilage maturation and replacement by bone. Recent studies in zebrafish suggest key roles for cartilage polarity in GZ function, surprisingly early establishment of signaling systems that regulate cartilage during embryonic development, and important roles for cartilage proliferation rather than hypertrophy in bone size. Despite anatomical differences, there are now many zebrafish models for human skeletal disorders including mutations in genes that cause defects in cartilage associated with endochondral GZs. These point to conserved developmental mechanisms, some of which operate both in cranial GZs and limb GPs, as well as others that act earlier or in parallel to known GP regulators. Experimental advantages of zebrafish for genetic screens, high resolution live imaging and drug screens, set the stage for many novel insights into causes and potential therapies for human endochondral bone diseases.
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Affiliation(s)
- Pierre Le Pabic
- Department of Biology and Marine Biology, University of North Carolina Wilmington, Willmington, NC, United States
- *Correspondence: Pierre Le Pabic, ; Thomas F. Schilling,
| | - Daniel B. Dranow
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, United States
| | - Diego J. Hoyle
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, United States
| | - Thomas F. Schilling
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, United States
- *Correspondence: Pierre Le Pabic, ; Thomas F. Schilling,
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31
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Suzuki T, Hirai Y, Uehara T, Ohga R, Kosaki K, Kawahara A. Involvement of the zebrafish trrap gene in craniofacial development. Sci Rep 2021; 11:24166. [PMID: 34934055 PMCID: PMC8692476 DOI: 10.1038/s41598-021-03123-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 11/24/2021] [Indexed: 11/09/2022] Open
Abstract
Trrap (transformation/transcription domain-associated protein) is a component shared by several histone acetyltransferase (HAT) complexes and participates in transcriptional regulation and DNA repair; however, the developmental functions of Trrap in vertebrates are not fully understood. Recently, it has been reported that human patients with genetic mutations in the TRRAP gene show various symptoms, including facial dysmorphisms, microcephaly and global developmental delay. To investigate the physiological functions of Trrap, we established trrap gene-knockout zebrafish and examined loss-of-function phenotypes in the mutants. The trrap zebrafish mutants exhibited smaller eyes and heads than the wild-type zebrafish. The size of the ventral pharyngeal arches was reduced and the mineralization of teeth was impaired in the trrap mutants. Whole-mount in situ hybridization analysis revealed that dlx3 expression was narrowly restricted in the developing ventral pharyngeal arches, while dlx2b expression was diminished in the trrap mutants. These results suggest that trrap zebrafish mutants are useful model organisms for a human disorder associated with genetic mutations in the human TRRAP gene.
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Affiliation(s)
- Taichi Suzuki
- Laboratory for Developmental Biology, Graduate School of Medical Science, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan
| | - Yo Hirai
- Laboratory for Developmental Biology, Graduate School of Medical Science, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan
| | - Tomoko Uehara
- Center for Medical Genetics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.,Department of Clinical Genetics, Central Hospital, Adachi Developmental Disability Center, Aichi, Japan
| | - Rie Ohga
- Laboratory for Developmental Biology, Graduate School of Medical Science, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan
| | - Kenjiro Kosaki
- Center for Medical Genetics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Atsuo Kawahara
- Laboratory for Developmental Biology, Graduate School of Medical Science, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan.
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32
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Ashique AM, Atake OJ, Ovens K, Guo R, Pratt IV, Detrich HW, Cooper DML, Desvignes T, Postlethwait JH, Eames BF. Bone microstructure and bone mineral density are not systemically different in Antarctic icefishes and related Antarctic notothenioids. J Anat 2021; 240:34-49. [PMID: 34423431 PMCID: PMC8655173 DOI: 10.1111/joa.13537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 12/17/2022] Open
Abstract
Ancestors of the Antarctic icefishes (family Channichthyidae) were benthic and had no swim bladder, making it energetically expensive to rise from the ocean floor. To exploit the water column, benthopelagic icefishes were hypothesized to have evolved a skeleton with “reduced bone,” which gross anatomical data supported. Here, we tested the hypothesis that changes to icefish bones also occurred below the level of gross anatomy. Histology and micro‐CT imaging of representative craniofacial bones (i.e., ceratohyal, frontal, dentary, and articular) of extant Antarctic fish species specifically evaluated two features that might cause the appearance of “reduced bone”: bone microstructure (e.g., bone volume fraction and structure linear density) and bone mineral density (BMD, or mass of mineral per volume of bone). Measures of bone microstructure were not consistently different in bones from the icefishes Chaenocephalus aceratus and Champsocephalus gunnari, compared to the related benthic notothenioids Notothenia coriiceps and Gobionotothen gibberifrons. Some quantitative measures, such as bone volume fraction and structure linear density, were significantly increased in some icefish bones compared to homologous bones of non‐icefish. However, such differences were rare, and no microstructural measures were consistently different in icefishes across all bones and species analyzed. Furthermore, BMD was similar among homologous bones of icefish and non‐icefish Antarctic notothenioids. In summary, “reduced bone” in icefishes was not due to systemic changes in bone microstructure or BMD, raising the prospect that “reduced bone” in icefish occurs only at the gross anatomic level (i.e., smaller or fewer bones). Given that icefishes exhibit delayed skeletal development compared to non‐icefish Antarctic fishes, combining these phenotypic data with genomic data might clarify genetic changes driving skeletal heterochrony.
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Affiliation(s)
- Amir M Ashique
- Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Oghenevwogaga J Atake
- Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Katie Ovens
- Augmented Intelligence & Precision Health Laboratory (AIPHL), McGill University, Montreal, Quebec, Canada
| | - Ruiyi Guo
- Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Isaac V Pratt
- Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - H William Detrich
- Marine and Environmental Sciences, Northeastern University Marine Science Center, Nahant, Massachusetts, USA
| | - David M L Cooper
- Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Thomas Desvignes
- Institute of Neuroscience, University of Oregon, Eugene, Oregon, USA
| | | | - B Frank Eames
- Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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33
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Fabik J, Psutkova V, Machon O. The Mandibular and Hyoid Arches-From Molecular Patterning to Shaping Bone and Cartilage. Int J Mol Sci 2021; 22:7529. [PMID: 34299147 PMCID: PMC8303155 DOI: 10.3390/ijms22147529] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/02/2021] [Accepted: 07/05/2021] [Indexed: 12/16/2022] Open
Abstract
The mandibular and hyoid arches collectively make up the facial skeleton, also known as the viscerocranium. Although all three germ layers come together to assemble the pharyngeal arches, the majority of tissue within viscerocranial skeletal components differentiates from the neural crest. Since nearly one third of all birth defects in humans affect the craniofacial region, it is important to understand how signalling pathways and transcription factors govern the embryogenesis and skeletogenesis of the viscerocranium. This review focuses on mouse and zebrafish models of craniofacial development. We highlight gene regulatory networks directing the patterning and osteochondrogenesis of the mandibular and hyoid arches that are actually conserved among all gnathostomes. The first part of this review describes the anatomy and development of mandibular and hyoid arches in both species. The second part analyses cell signalling and transcription factors that ensure the specificity of individual structures along the anatomical axes. The third part discusses the genes and molecules that control the formation of bone and cartilage within mandibular and hyoid arches and how dysregulation of molecular signalling influences the development of skeletal components of the viscerocranium. In conclusion, we notice that mandibular malformations in humans and mice often co-occur with hyoid malformations and pinpoint the similar molecular machinery controlling the development of mandibular and hyoid arches.
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Affiliation(s)
- Jaroslav Fabik
- Department of Developmental Biology, Institute of Experimental Medicine of the Czech Academy of Sciences, 14220 Prague, Czech Republic; (J.F.); (V.P.)
- Department of Cell Biology, Faculty of Science, Charles University, 12800 Prague, Czech Republic
| | - Viktorie Psutkova
- Department of Developmental Biology, Institute of Experimental Medicine of the Czech Academy of Sciences, 14220 Prague, Czech Republic; (J.F.); (V.P.)
- Department of Cell Biology, Faculty of Science, Charles University, 12800 Prague, Czech Republic
| | - Ondrej Machon
- Department of Developmental Biology, Institute of Experimental Medicine of the Czech Academy of Sciences, 14220 Prague, Czech Republic; (J.F.); (V.P.)
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34
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Enny A, Shanabag A, Thompson AW, Racicot B, Braasch I, Nakamura T. Cellular mechanisms of frontal bone development in spotted gar (Lepisosteus oculatus). Dev Dyn 2021; 250:1668-1682. [PMID: 33913218 DOI: 10.1002/dvdy.356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND The cellular and molecular mechanisms initiating vertebrate cranial dermal bone formation is a conundrum in evolutionary and developmental biology. Decades of studies have determined the developmental processes of cranial dermal bones in various vertebrates and identified possible inducers of dermal bone. However, evolutionarily derived characters of current experimental model organisms, such as non-homologous frontal bones between teleosts and sarcopterygians, hinder investigations of ancestral and conserved mechanisms of vertebrate cranial dermal bone induction. Thus, investigating such mechanisms with animals diverging at evolutionarily informative phylogenetic nodes is imperative. RESULTS We investigated the cellular foundations of skull frontal bone formation in the spotted gar Lepisosteus oculatus, a basally branching non-teleost actinopterygian. Whole-mount bone and cartilage staining and hematoxylin-eosin section staining revealed that mesenchymal cell condensations in the frontal bone of spotted gar develop in close association with the underlying cartilage. We also identified novel aspects of frontal bone formation: enrichment of F-actin, cellular membranes, and E-cadherin in condensing cells, and extension of podia-like structures from osteoblasts to the frontal bone, which may be responsible for bone mineral transport. CONCLUSION This study highlights the process of frontal bone formation with dynamic architectural changes of mesenchymal cells in spotted gar, an emerging non-teleost fish model system, illuminating supposedly ancestral and likely conserved developmental mechanisms of skull bone formation among vertebrates.
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Affiliation(s)
- Alyssa Enny
- Department of Genetics, Rutgers the State University of New Jersey, Piscataway, New Jersey, USA
| | - Anusha Shanabag
- Department of Genetics, Rutgers the State University of New Jersey, Piscataway, New Jersey, USA
| | - Andrew W Thompson
- Department of Integrative Biology, Michigan State University, East Lansing, Michigan, USA.,Program in Ecology, Evolution, and Behavior (EEB), Michigan State University, East Lansing, Michigan, USA
| | - Brett Racicot
- Department of Integrative Biology, Michigan State University, East Lansing, Michigan, USA
| | - Ingo Braasch
- Department of Integrative Biology, Michigan State University, East Lansing, Michigan, USA.,Program in Ecology, Evolution, and Behavior (EEB), Michigan State University, East Lansing, Michigan, USA
| | - Tetsuya Nakamura
- Department of Genetics, Rutgers the State University of New Jersey, Piscataway, New Jersey, USA
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35
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Martini A, Huysseune A, Witten PE, Boglione C. Plasticity of the skeleton and skeletal deformities in zebrafish (Danio rerio) linked to rearing density. JOURNAL OF FISH BIOLOGY 2021; 98:971-986. [PMID: 32010967 DOI: 10.1111/jfb.14272] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/30/2020] [Indexed: 06/10/2023]
Abstract
The teleost zebrafish (Danio rerio), an established model for human skeletal diseases, is reared under controlled conditions with defined parameters for temperature and photoperiod. Studies aimed at defining the proper rearing density have been performed with regard to behavioural and physiological stress response, sex ratio and reproduction. Studies concerning the effect of rearing density on the skeletal phenotype are lacking. This study analyses the response of the skeleton to different rearing densities and describes the skeletal deformities. Wild-type zebrafish were reared up to 30 dpf (days post-fertilization) in a common environment. From 30 to 90 dpf, animals were reared at three different densities: high density (HD), 32 fish l-1 ; medium density (MD), 8 fish l-1 and low density (LD), 2 fish l-1 . Animals at 30 and 90 dpf were collected and whole-mount stained with Alizarin red S to visualize mineralized tissues. The entire skeleton was analysed for meristic counts and 172 types of deformities. The results showed that the rearing density significantly influenced the specimens' average standard length, which decreased with the increase in the rearing density. Differences in meristic counts among the three groups were not observed. Rearing density-independent malformations affected the ribs, neural arches and the spines of the abdominal region, as well as vertebrae of the caudal complex. The HD group showed the highest number of deformities per specimen, the highest number of observed types of deformities and, together with the MD group, the highest frequency of specimens affected by severe deformities. In particular, the HD group showed deformities affecting arches, spines and vertebral centra in the caudal region of the vertebral column. This study provides evidence of an effect of the rearing density on the development of different skeletal phenotypes.
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Affiliation(s)
- Arianna Martini
- Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome Tor Vergata, Rome, Italy
- Laboratory of Evolutionary Developmental Biology, Department of Biology, Gent University, Gent, Belgium
| | - Ann Huysseune
- Laboratory of Evolutionary Developmental Biology, Department of Biology, Gent University, Gent, Belgium
| | - P Eckhard Witten
- Laboratory of Evolutionary Developmental Biology, Department of Biology, Gent University, Gent, Belgium
| | - Clara Boglione
- Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome Tor Vergata, Rome, Italy
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36
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Mitchell JM, Sucharov J, Pulvino AT, Brooks EP, Gillen AE, Nichols JT. The alx3 gene shapes the zebrafish neurocranium by regulating frontonasal neural crest cell differentiation timing. Development 2021; 148:dev197483. [PMID: 33741714 PMCID: PMC8077506 DOI: 10.1242/dev.197483] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/12/2021] [Indexed: 12/30/2022]
Abstract
During craniofacial development, different populations of cartilage- and bone-forming cells develop in precise locations in the head. Most of these cells are derived from pluripotent cranial neural crest cells and differentiate with distinct developmental timing and cellular morphologies. The mechanisms that divide neural crest cells into discrete populations are not fully understood. Here, we use single-cell RNA sequencing to transcriptomically define different populations of cranial neural crest cells. We discovered that the gene family encoding the Alx transcription factors is enriched in the frontonasal population of neural crest cells. Genetic mutant analyses indicate that alx3 functions to regulate the distinct differentiation timing and cellular morphologies among frontonasal neural crest cell subpopulations. This study furthers our understanding of how genes controlling developmental timing shape craniofacial skeletal elements.
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Affiliation(s)
- Jennyfer M. Mitchell
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Juliana Sucharov
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Anthony T. Pulvino
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Elliott P. Brooks
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Austin E. Gillen
- RNA Bioscience Initiative, Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, CO 80045, USA
- Department of Medicine, Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - James T. Nichols
- Department of Craniofacial Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- RNA Bioscience Initiative, Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, CO 80045, USA
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37
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Bek JW, De Clercq A, De Saffel H, Soenens M, Huysseune A, Witten PE, Coucke PJ, Willaert A. Photoconvertible fluorescent proteins: a versatile tool in zebrafish skeletal imaging. JOURNAL OF FISH BIOLOGY 2021; 98:1007-1017. [PMID: 32242924 DOI: 10.1111/jfb.14335] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 02/24/2020] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
One of the most frequently applied techniques in zebrafish (Danio rerio) research is the visualisation or manipulation of specific cell populations using transgenic reporter lines. The generation of these transgenic zebrafish, displaying cell- or tissue-specific expression of frequently used fluorophores such as Green Fluorescent Protein (GFP) or mCherry, is relatively easy using modern techniques. Fluorophores with different emission wavelengths and driven by different promoters can be monitored simultaneously in the same animal. Photoconvertible fluorescent proteins (pcFPs) are different from these standard fluorophores because their emission spectrum is changed when exposed to UV light, a process called photoconversion. Here, the benefits and versatility of using pcFPs for both single and dual fluorochrome imaging in zebrafish skeletal research in a previously generated osx:Kaede transgenic line are illustrated. In this line, Kaede, which is expressed under control of the osterix, otherwise known as sp7, promoter thereby labelling immature osteoblasts, can switch from green to red fluorescence upon irradiation with UV light. First, this study demonstrates that osx:Kaede exhibits an expression pattern similar to a previously described osx:nuGFP transgenic line in both larval and adult stages, hereby validating the use of this line for the imaging of immature osteoblasts. More in-depth experiments highlight different applications for osx:Kaede, such as lineage tracing and its combined use with in vivo skeletal staining and other transgenic backgrounds. Mineral staining in combination with osx:Kaede confirms osteoblast-independent mineralisation of the notochord. Osteoblast lineage tracing reveals migration and dedifferentiation of scleroblasts during fin regeneration. Finally, this study shows that combining two transgenics, osx:Kaede and osc:GFP, with similar emission wavelengths is possible when using a pcFP such as Kaede.
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Affiliation(s)
- Jan Willem Bek
- Center of Medical Genetics, Department of Biomolecular Medicine, Ghent University-University Hospital, Ghent, Belgium
| | - Adelbert De Clercq
- Center of Medical Genetics, Department of Biomolecular Medicine, Ghent University-University Hospital, Ghent, Belgium
| | - Hanna De Saffel
- Center of Medical Genetics, Department of Biomolecular Medicine, Ghent University-University Hospital, Ghent, Belgium
| | - Mieke Soenens
- Evolutionary Developmental Biology, Biology Department, Ghent University, Ghent, Belgium
| | - Ann Huysseune
- Evolutionary Developmental Biology, Biology Department, Ghent University, Ghent, Belgium
| | - P Eckhard Witten
- Evolutionary Developmental Biology, Biology Department, Ghent University, Ghent, Belgium
| | - Paul J Coucke
- Center of Medical Genetics, Department of Biomolecular Medicine, Ghent University-University Hospital, Ghent, Belgium
| | - Andy Willaert
- Center of Medical Genetics, Department of Biomolecular Medicine, Ghent University-University Hospital, Ghent, Belgium
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38
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Dietrich K, Fiedler IA, Kurzyukova A, López-Delgado AC, McGowan LM, Geurtzen K, Hammond CL, Busse B, Knopf F. Skeletal Biology and Disease Modeling in Zebrafish. J Bone Miner Res 2021; 36:436-458. [PMID: 33484578 DOI: 10.1002/jbmr.4256] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 01/15/2021] [Accepted: 01/20/2021] [Indexed: 12/13/2022]
Abstract
Zebrafish are teleosts (bony fish) that share with mammals a common ancestor belonging to the phylum Osteichthyes, from which their endoskeletal systems have been inherited. Indeed, teleosts and mammals have numerous genetically conserved features in terms of skeletal elements, ossification mechanisms, and bone matrix components in common. Yet differences related to bone morphology and function need to be considered when investigating zebrafish in skeletal research. In this review, we focus on zebrafish skeletal architecture with emphasis on the morphology of the vertebral column and associated anatomical structures. We provide an overview of the different ossification types and osseous cells in zebrafish and describe bone matrix composition at the microscopic tissue level with a focus on assessing mineralization. Processes of bone formation also strongly depend on loading in zebrafish, as we elaborate here. Furthermore, we illustrate the high regenerative capacity of zebrafish bones and present some of the technological advantages of using zebrafish as a model. We highlight zebrafish axial and fin skeleton patterning mechanisms, metabolic bone disease such as after immunosuppressive glucocorticoid treatment, as well as osteogenesis imperfecta (OI) and osteopetrosis research in zebrafish. We conclude with a view of why larval zebrafish xenografts are a powerful tool to study bone metastasis. © 2021 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Kristin Dietrich
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Healthy Aging TU Dresden, Dresden, Germany
| | - Imke Ak Fiedler
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anastasia Kurzyukova
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Healthy Aging TU Dresden, Dresden, Germany
| | - Alejandra C López-Delgado
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Healthy Aging TU Dresden, Dresden, Germany
| | - Lucy M McGowan
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, UK
| | - Karina Geurtzen
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Healthy Aging TU Dresden, Dresden, Germany
| | - Chrissy L Hammond
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, UK
| | - Björn Busse
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Interdisciplinary Competence Center for Interface Research (ICCIR), Hamburg, Germany
| | - Franziska Knopf
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Healthy Aging TU Dresden, Dresden, Germany
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39
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Skeletal Development and Deformities in Tench ( Tinca tinca): From Basic knowledge to Regular Monitoring Procedure. Animals (Basel) 2021; 11:ani11030621. [PMID: 33652872 PMCID: PMC7996733 DOI: 10.3390/ani11030621] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 11/25/2022] Open
Abstract
Simple Summary Fish skeletal development and incidence of skeletal deformities are important factors to warrant aquaculture success. Skeletal deformities reduce fish viability, growth, and feed efficiency but also degrade the consumer’s perception of aquaculture products. Some skeletal deformities would also decrease animal wellbeing. Tench (Tinca tinca) is a freshwater species cultured in ponds, highly demanded in particular regions of Europe and a promising species for aquaculture diversification. Determining the onset of the different skeletal structures may help fish farmers to adapt and improve rearing practices (e.g., water temperature, feeds composition, etc.) to decrease the incidence of skeletal deformities. At the same time, monitoring the incidence of skeletal deformities represents a valuable decision-making tool to improve efficient use of facilities and resources. Abstract Skeletal deformities reduce fish viability, growth, wellbeing, and feed efficiency but also degrade the consumer’s perception of aquaculture products. Herein, the skeletal development and the incidence of skeletal deformities in tench (Tinca tinca) reared in semi-extensive conditions has been described in detail for the first time. Larval skeletons were assessed through an acid-free double-staining procedure in 157 individuals, while 274 specimens at the juvenile stage were evaluated through X-ray analysis. The first skeletal structures to be formed were those related with breathing and feeding activities (e.g., Meckel’s cartilage and opercula) and were visible in larvae of 4 mm of standard length (SL). The axial skeleton was fully ossified in larvae of 12–17 mm of SL, and the caudal fin complex in larvae with 17–26 mm of SL. At the larval stage, no upper-jaw or opercula deformities were observed, while a low incidence (1–9%) of other severe deformities in the heads of the fish (e.g., lower-jaw deformities) were reported. The incidence of vertebral deformities in tench reared in natural ponds was considerable in larvae (54%) and juveniles (52%). Vertebral deformities (fusion and compression) were the most common deformities found in tench larvae (approximately 30%) and vertebral shape deformity in juveniles (around 10%), being mainly located in the caudal region. Thus, a regular monitoring of the skeletal deformities in tench might help to identify better rearing protocols and improve product quality sold at markets. Characterizing the skeletal development not only in semi-extensive systems such as artificial and natural ponds but also under intensive rearing conditions, seems vital for a sustainable and profitable European tench aquaculture.
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40
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Matthiesen CL, Hu L, Torslev AS, Poulsen ET, Larsen UG, Kjaer-Sorensen K, Thomsen JS, Brüel A, Enghild JJ, Oxvig C, Petersen SV. Superoxide dismutase 3 is expressed in bone tissue and required for normal bone homeostasis and mineralization. Free Radic Biol Med 2021; 164:399-409. [PMID: 33476796 DOI: 10.1016/j.freeradbiomed.2021.01.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/22/2020] [Accepted: 01/12/2021] [Indexed: 12/14/2022]
Abstract
Superoxide dismutase 3 (SOD3) is an extracellular protein with the capacity to convert superoxide into hydrogen peroxide, an important secondary messenger in redox regulation. To investigate the utility of zebrafish in functional studies of SOD3 and its relevance for redox regulation, we have characterized the zebrafish orthologues; Sod3a and Sod3b. Our analyses show that both recombinant Sod3a and Sod3b express SOD activity, however, only Sod3b is able to bind heparin. Furthermore, RT-PCR analyses reveal that sod3a and sod3b are expressed in zebrafish embryos and are present primarily in separate organs in adult zebrafish, suggesting distinct functions in vivo. Surprisingly, both RT-PCR and whole mount in situ hybridization showed specific expression of sod3b in skeletal tissue. To further investigate this observation, we compared femoral bone obtained from wild-type and SOD3-/- mice to determine whether a functional difference was apparent in healthy adult mice. Here we report, that bone from SOD3-/- mice is less mineralized and characterized by significant reduction of cortical and trabecular thickness in addition to reduced mechanical strength. These analyses show that SOD3 plays a hitherto unappreciated role in bone development and homeostasis.
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Affiliation(s)
| | - Lili Hu
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | | | - Ebbe T Poulsen
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Ulrike G Larsen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | | | | | - Annemarie Brüel
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Jan J Enghild
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Claus Oxvig
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
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41
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Rose CS. Amphibian Hormones, Calcium Physiology, Bone Weight, and Lung Use Call for a More Inclusive Approach to Understanding Ossification Sequence Evolution. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.620971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Skeleton plays a huge role in understanding how vertebrate animals have diversified in phylogeny, ecology and behavior. Recent evo-devo research has used ossification sequences to compare skeletal development among major groups, to identify conserved and labile aspects of a sequence within a group, to derive ancestral and modal sequences, and to look for modularity based on embryonic origin and type of bone. However, questions remain about how to detect and order bone appearances, the adaptive significance of ossification sequences and their relationship to adult function, and the utility of categorizing bones by embryonic origin and type. Also, the singular focus on bone appearances and the omission of other tissues and behavioral, ecological and life history events limit the relevance of such analyses. Amphibians accentuate these concerns because of their highly specialized biphasic life histories and the exceptionally late timing, and high variability of their ossification sequences. Amphibians demonstrate a need for a whole-animal, whole-ontogeny approach that integrates the entire ossification process with physiology, behavior and ecology. I discuss evidence and hypotheses for how hormone mediation and calcium physiology might elicit non-adaptive variability in ossification sequence, and for adaptive strategies to partition larval habitats using bone to offset the buoyancy created by lung use. I also argue that understanding plasticity in ossification requires shifting focus away from embryonic development and adult function, and toward postembryonic mechanisms of regulating skeletal growth, especially ones that respond directly to midlife environments and behaviors.
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42
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Smeeton J, Natarajan N, Naveen Kumar A, Miyashita T, Baddam P, Fabian P, Graf D, Crump JG. Zebrafish model for spondylo-megaepiphyseal-metaphyseal dysplasia reveals post-embryonic roles of Nkx3.2 in the skeleton. Development 2021; 148:dev.193409. [PMID: 33462117 DOI: 10.1242/dev.193409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 12/31/2020] [Indexed: 01/10/2023]
Abstract
The regulated expansion of chondrocytes within growth plates and joints ensures proper skeletal development through adulthood. Mutations in the transcription factor NKX3.2 underlie spondylo-megaepiphyseal-metaphyseal dysplasia (SMMD), which is characterized by skeletal defects including scoliosis, large epiphyses, wide growth plates and supernumerary distal limb joints. Whereas nkx3.2 knockdown zebrafish and mouse Nkx3.2 mutants display embryonic lethal jaw joint fusions and skeletal reductions, respectively, they lack the skeletal overgrowth seen in SMMD patients. Here, we report adult viable nkx3.2 mutant zebrafish displaying cartilage overgrowth in place of a missing jaw joint, as well as severe dysmorphologies of the facial skeleton, skullcap and spine. In contrast, cartilage overgrowth and scoliosis are absent in rare viable nkx3.2 knockdown animals that lack jaw joints, supporting post-embryonic roles for Nkx3.2. Single-cell RNA-sequencing and in vivo validation reveal increased proliferation and upregulation of stress-induced pathways, including prostaglandin synthases, in mutant chondrocytes. By generating a zebrafish model for the skeletal overgrowth defects of SMMD, we reveal post-embryonic roles for Nkx3.2 in dampening proliferation and buffering the stress response in joint-associated chondrocytes.
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Affiliation(s)
- Joanna Smeeton
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA,Columbia Stem Cell Initiative, Department of Rehabilitation and Regenerative Medicine, and Department of Genetics and Development, Columbia University Irving Medical Center, Columbia University, New York, NY 10032, USA
| | - Natasha Natarajan
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Arati Naveen Kumar
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Tetsuto Miyashita
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada,Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA
| | - Pranidhi Baddam
- Department of Dentistry, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Peter Fabian
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Daniel Graf
- Department of Dentistry, University of Alberta, Edmonton, Alberta T6G 2R3, Canada,Department of Medical Genetics, University of Alberta, Edmonton, Alberta T6G 2R7, Canada
| | - J Gage Crump
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
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43
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Conway KW, Kubicek K, Britz R. Extreme evolutionary shifts in developmental timing establish the miniature
Danionella
as a novel model in the neurosciences. Dev Dyn 2020; 250:601-611. [DOI: 10.1002/dvdy.280] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 01/01/2023] Open
Affiliation(s)
- Kevin W. Conway
- Department of Ecology and Conservation Biology and Biodiversity Research and Teaching Collections Texas A&M University College Station Texas USA
| | - Kole Kubicek
- Department of Ecology and Conservation Biology and Biodiversity Research and Teaching Collections Texas A&M University College Station Texas USA
| | - Ralf Britz
- Sektionsleiter Ichthyologie Senckenberg Naturhistorische Sammlungen, Dresden, Museum für Tierkunde Dresden Germany
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44
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Raterman ST, Metz JR, Wagener FADTG, Von den Hoff JW. Zebrafish Models of Craniofacial Malformations: Interactions of Environmental Factors. Front Cell Dev Biol 2020; 8:600926. [PMID: 33304906 PMCID: PMC7701217 DOI: 10.3389/fcell.2020.600926] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/23/2020] [Indexed: 11/13/2022] Open
Abstract
The zebrafish is an appealing model organism for investigating the genetic (G) and environmental (E) factors, as well as their interactions (GxE), which contribute to craniofacial malformations. Here, we review zebrafish studies on environmental factors involved in the etiology of craniofacial malformations in humans including maternal smoking, alcohol consumption, nutrition and drug use. As an example, we focus on the (cleft) palate, for which the zebrafish ethmoid plate is a good model. This review highlights the importance of investigating ExE interactions and discusses the variable effects of exposure to environmental factors on craniofacial development depending on dosage, exposure time and developmental stage. Zebrafish also promise to be a good tool to study novel craniofacial teratogens and toxin mixtures. Lastly, we discuss the handful of studies on gene–alcohol interactions using mutant sensitivity screens and reverse genetic techniques. We expect that studies addressing complex interactions (ExE and GxE) in craniofacial malformations will increase in the coming years. These are likely to uncover currently unknown mechanisms with implications for the prevention of craniofacial malformations. The zebrafish appears to be an excellent complementary model with high translational value to study these complex interactions.
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Affiliation(s)
- S T Raterman
- Radboud Institute of Molecular Life Sciences, Nijmegen, Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, Netherlands.,Department of Animal Ecology and Physiology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands
| | - J R Metz
- Department of Animal Ecology and Physiology, Institute for Water and Wetland Research, Radboud University, Nijmegen, Netherlands
| | - Frank A D T G Wagener
- Radboud Institute of Molecular Life Sciences, Nijmegen, Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Johannes W Von den Hoff
- Radboud Institute of Molecular Life Sciences, Nijmegen, Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Nijmegen, Netherlands
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45
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Kryvi H, Nordvik K, Fjelldal PG, Eilertsen M, Helvik JV, Støren EN, Long JH. Heads and tails: The notochord develops differently in the cranium and caudal fin of Atlantic Salmon (Salmo salar, L.). Anat Rec (Hoboken) 2020; 304:1629-1649. [PMID: 33155751 PMCID: PMC8359264 DOI: 10.1002/ar.24562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/27/2020] [Accepted: 09/29/2020] [Indexed: 12/14/2022]
Abstract
While it is well known that the notochord of bony fishes changes over developmental time, less is known about how it varies across different body regions. In the development of the Atlantic salmon, Salmo salar L., cranial and caudal ends of the notochord are overlaid by the formation of the bony elements of the neurocranium and caudal fin, respectively. To investigate, we describe how the notochord of the cranium and caudal fin changes from embryo to spawning adult, using light microscopy, SEM, TEM, dissection, and CT scanning. The differences are dramatic. In contrast to the abdominal and caudal regions, at the ends of the notochord vertebrae never develop. While the cranial notochord builds a tapering, unsegmented cone of chordal bone, the urostylic notochordal sheath never ossifies: adjacent, irregular bony elements form from the endoskeleton of the caudal fin. As development progresses, two previously undescribed processes occur. First, the bony cone of the cranial notochord, and its internal chordocytes, are degraded by chordoclasts, an undescribed function of the clastic cell type. Second, the sheath of the urostylic notochord creates transverse septae that partly traverse the lumen in an irregular pattern. By the adult stage, the cranial notochord is gone. In contrast, the urostylic notochord in adults is robust, reinforced with septae, covered by irregularly shaped pieces of cellular bone, and capped with an opistural cartilage that develops from the sheath of the urostylic notochord. A previously undescribed muscle, with its origin on the opistural cartilage, inserts on the lepidotrich ventral to it.
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Affiliation(s)
- Harald Kryvi
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Kari Nordvik
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | | | - Mariann Eilertsen
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Jon Vidar Helvik
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | | | - John H Long
- Department of Biology, Vassar College, Poughkeepsie, New York, USA
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46
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Zinck NW, Jeradi S, Franz-Odendaal TA. Elucidating the early signaling cues involved in zebrafish chondrogenesis and cartilage morphology. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2020; 336:18-31. [PMID: 33184938 DOI: 10.1002/jez.b.23012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/20/2020] [Accepted: 10/20/2020] [Indexed: 11/06/2022]
Abstract
Across the teleost skeleton, cartilages are diverse in their composition suggesting subtle differences in their developmental mechanisms. This study aims to elucidate the regulatory role of bone morphogenetic protein (BMPs) during the morphogenesis of two cartilage elements in zebrafish: the scleral cartilage in the eye and the caudal fin endoskeleton. Zebrafish larvae were exposed to a BMP inhibitor (LDN193189) at a series of timepoints preceding the initial appearance of the scleral cartilage and caudal fin endoskeleton. Morphological assessments of the cartilages in later stages, revealed that BMP-inhibited fish harbored striking disruptions in caudal fin endoskeletal morphology, regardless of the age at which the inhibitor treatment was performed. In contrast, scleral cartilage morphology was unaffected in all age groups. Morphometric and principal component analysis, performed on the caudal fin endoskeleton, revealed differential clustering of principal components one and two in BMP-inhibited and control fish. Additionally, the expression of sox9a and sox9b were reduced in BMP-inhibited fish when compared to controls, indicating that LDN193189 acts via a Sox9-dependent pathway. Further examination of notochord flexion also revealed a disruptive effect of BMP inhibition on this process. This study provides a detailed characterization of the effects of BMP inhibition via LDN193189 on zebrafish cartilage morphogenesis and development. It highlights the specific, localized role of the BMP-signaling pathways during the development of different cartilage elements and sheds some light on the morphological characteristics of fossil teleosts that together suggest an uncoupling of the developmental processes between the upper and lower lobes of the caudal fin.
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Affiliation(s)
- Nicholas W Zinck
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada.,Department of Biology, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Shirine Jeradi
- Department of Biology, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
| | - Tamara A Franz-Odendaal
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada.,Department of Biology, Mount Saint Vincent University, Halifax, Nova Scotia, Canada
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47
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Atukorala ADS, Ratnayake RK. Cellular and molecular mechanisms in the development of a cleft lip and/or cleft palate; insights from zebrafish (Danio rerio). Anat Rec (Hoboken) 2020; 304:1650-1660. [PMID: 33099891 DOI: 10.1002/ar.24547] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 08/31/2020] [Accepted: 09/09/2020] [Indexed: 12/18/2022]
Abstract
Human cleft lip and/or palate (CLP) are immediately recognizable congenital abnormalities of the face. Lip and palate develop from facial primordia through the coordinated activities of ectodermal epithelium and neural crest cells (NCCs) derived from ectomesenchyme tissue. Subtle changes in the regulatory mechanisms of NCC or ectodermal epithelial cells can result in CLP. Genetic and environmental contributions or a combination of both play a significant role in the progression of CLP. Model organisms provide us with a wealth of information in understanding the pathophysiology and genetic etiology of this complex disease. Small teleost, zebrafish (Danio rerio) is one of the popular model in craniofacial developmental biology. The short generation time and large number of optically transparent, easily manipulated embryos increase the value of zebrafish to identify novel candidate genes and gene regulatory networks underlying craniofacial development. In addition, it is widely used to identify the mechanisms of environmental teratogens and in therapeutic drug screening. Here, we discuss the value of zebrafish as a model to understand epithelial and NCC induced ectomesenchymal cell activities during early palate morphogenesis and robustness of the zebrafish in modern research on identifying the genetic and environmental etiological factors of CLP.
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Affiliation(s)
- Atukorallaya Devi Sewvandini Atukorala
- Rady Faculty of Health Sciences, Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Ravindra Kumar Ratnayake
- Rady Faculty of Health Sciences, Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, University of Manitoba, Winnipeg, Manitoba, Canada
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48
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Heubel BP, Bredesen CA, Schilling TF, Le Pabic P. Endochondral growth zone pattern and activity in the zebrafish pharyngeal skeleton. Dev Dyn 2020; 250:74-87. [PMID: 32852849 DOI: 10.1002/dvdy.241] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/19/2020] [Accepted: 08/22/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Endochondral ossification is a major bone forming mechanism in vertebrates, defects in which can result in skeletal dysplasia or craniofacial anomalies in humans. The zebrafish holds great potential to advance our understanding of endochondral growth zone development and genetics, yet several important aspects of its biology remain unexplored. Here we provide a comprehensive description of endochondral growth zones in the pharyngeal skeleton, including their developmental progression, cellular activity, and adult fates. RESULTS Postembryonic growth of the pharyngeal skeleton is supported by endochondral growth zones located either at skeletal epiphyses or synchondroses. Col2a1a and col10a1a in situ hybridization and anti-PCNA immunostaining identify resting-, hypertrophic- and proliferative zones, respectively, in pharyngeal synchondroses. Cellular hypertrophy and matrix deposition contribute little, if at all, to axial growth in most skeletal elements. Zebrafish endochondral growth zones develop during metamorphosis and arrest in adults. CONCLUSIONS Two endochondral growth zone configurations in the zebrafish pharyngeal skeleton produce either unidirectional (epiphyses) or bidirectional (synchondroses) growth. Cell proliferation drives endochondral growth and its modulation, in contrast to mammalian long bones in which bone length depends more on cell enlargement during hypertrophy and intramembranous ossification is the default mechanism of bone growth in zebrafish adults.
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Affiliation(s)
- Brian P Heubel
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Carson A Bredesen
- Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, North Carolina, USA
| | - Thomas F Schilling
- Department of Developmental and Cell Biology, University of California Irvine, Irvine, California, USA
| | - Pierre Le Pabic
- Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, North Carolina, USA
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49
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Tonelli F, Cotti S, Leoni L, Besio R, Gioia R, Marchese L, Giorgetti S, Villani S, Gistelinck C, Wagener R, Kobbe B, Fiedler I, Larionova D, Busse B, Eyre D, Rossi A, Witten P, Forlino A. Crtap and p3h1 knock out zebrafish support defective collagen chaperoning as the cause of their osteogenesis imperfecta phenotype. Matrix Biol 2020; 90:40-60. [DOI: 10.1016/j.matbio.2020.03.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/05/2020] [Accepted: 03/05/2020] [Indexed: 12/15/2022]
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50
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Anderson RA, Schwalbach KT, Mui SR, LeClair EE, Topczewska JM, Topczewski J. Zebrafish models of skeletal dysplasia induced by cholesterol biosynthesis deficiency. Dis Model Mech 2020; 13:dmm042549. [PMID: 32430393 PMCID: PMC7328163 DOI: 10.1242/dmm.042549] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 04/27/2020] [Indexed: 12/23/2022] Open
Abstract
Human disorders of the post-squalene cholesterol biosynthesis pathway frequently result in skeletal abnormalities, yet our understanding of the mechanisms involved is limited. In a forward-genetic approach, we have found that a late-onset skeletal mutant, named kolibernu7 , is the result of a cis-acting regulatory mutation leading to loss of methylsterol monooxygenase 1 (msmo1) expression within pre-hypertrophic chondrocytes. Generated msmo1nu81 knockdown mutation resulted in lethality at larval stage. We demonstrated that this is a result of both cholesterol deprivation and sterol intermediate accumulation by creating a mutation eliminating activity of Lanosterol synthase (Lss). Our results indicate that double lssnu60;msmo1nu81 and single lssnu60 mutants survive significantly longer than msmo1nu81 homozygotes. Liver-specific restoration of either Msmo1 or Lss in corresponding mutant backgrounds suppresses larval lethality. Rescued mutants develop dramatic skeletal abnormalities, with a loss of Msmo1 activity resulting in a more-severe patterning defect of a near-complete loss of hypertrophic chondrocytes marked by col10a1a expression. Our analysis suggests that hypertrophic chondrocytes depend on endogenous cholesterol synthesis, and blocking C4 demethylation exacerbates the cholesterol deficiency phenotype. Our findings offer new insight into the genetic control of bone development and provide new zebrafish models for human disorders of the cholesterol biosynthesis pathway.
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Affiliation(s)
- Rebecca A Anderson
- Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Kevin T Schwalbach
- Developmental Biology Program, Stanley Manne Children's Research Institute, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA
| | - Stephanie R Mui
- Developmental Biology Program, Stanley Manne Children's Research Institute, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA
| | - Elizabeth E LeClair
- Department of Biological Sciences, DePaul University, Chicago, IL 60614, USA
| | - Jolanta M Topczewska
- Developmental Biology Program, Stanley Manne Children's Research Institute, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA
| | - Jacek Topczewski
- Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
- Developmental Biology Program, Stanley Manne Children's Research Institute, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA
- Department of Biochemistry and Molecular Biology, Medical University of Lublin, Lublin 20-093, Poland
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