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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Knabl P, Schauer A, Pomreinke AP, Zimmermann B, Rogers KW, Čapek D, Müller P, Genikhovich G. Analysis of SMAD1/5 target genes in a sea anemone reveals ZSWIM4-6 as a novel BMP signaling modulator. eLife 2024; 13:e80803. [PMID: 38323609 PMCID: PMC10849676 DOI: 10.7554/elife.80803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 01/28/2024] [Indexed: 02/08/2024] Open
Abstract
BMP signaling has a conserved function in patterning the dorsal-ventral body axis in Bilateria and the directive axis in anthozoan cnidarians. So far, cnidarian studies have focused on the role of different BMP signaling network components in regulating pSMAD1/5 gradient formation. Much less is known about the target genes downstream of BMP signaling. To address this, we generated a genome-wide list of direct pSMAD1/5 target genes in the anthozoan Nematostella vectensis, several of which were conserved in Drosophila and Xenopus. Our ChIP-seq analysis revealed that many of the regulatory molecules with documented bilaterally symmetric expression in Nematostella are directly controlled by BMP signaling. We identified several so far uncharacterized BMP-dependent transcription factors and signaling molecules, whose bilaterally symmetric expression may be indicative of their involvement in secondary axis patterning. One of these molecules is zswim4-6, which encodes a novel nuclear protein that can modulate the pSMAD1/5 gradient and potentially promote BMP-dependent gene repression.
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Affiliation(s)
- Paul Knabl
- Department of Neurosciences and Developmental Biology, University of ViennaViennaAustria
- Vienna Doctoral School of Ecology and Evolution (VDSEE), University of ViennaViennaAustria
| | - Alexandra Schauer
- Department of Neurosciences and Developmental Biology, University of ViennaViennaAustria
| | | | - Bob Zimmermann
- Department of Neurosciences and Developmental Biology, University of ViennaViennaAustria
| | | | | | - Patrick Müller
- Friedrich Miescher Laboratory of the Max Planck SocietyTübingenGermany
- University of KonstanzKonstanzGermany
| | - Grigory Genikhovich
- Department of Neurosciences and Developmental Biology, University of ViennaViennaAustria
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153
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Wen D, Meng C, Feng Y, Shen L, Liu Y, Sun W, Chen G, Wu C. Syringaldehyde Exhibits Antibacterial and Antioxidant Activities against Mycobacterium marinum Infection. Microorganisms 2024; 12:348. [PMID: 38399751 PMCID: PMC10893232 DOI: 10.3390/microorganisms12020348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 01/27/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024] Open
Abstract
Tuberculosis (TB) is caused by infection with Mycobacterium tuberculosis (Mtb), which has a unique resistance to many antimicrobial agents. TB has emerged as a significant worldwide health issue because of the rise of multidrug-resistant strains causing drug-resistant TB (DR-TB). As a result, the development of new drugs or effective strategies is crucial for patients with TB. Mycobacterium marinum (Mm) and Mtb are both species of mycobacteria. In zebrafish, Mm proliferates and forms chronic granulomatous infections, which are similar to Mtb infections in lung tissue. Syringaldehyde (SA) is a member of the phenolic aldehyde family found in various plants. Here, we investigated its antioxidative and antibacterial properties in Mm-infected cells and zebrafish. Our results demonstrated that SA inhibits Mm-infected pulmonary epithelial cells and inhibits the proliferation of Mm in Mm-infected zebrafish, suggesting that SA provides an antibacterial effect during Mm infection. Further study demonstrated that supplementation with SA inhibits the production of malondialdehyde (MDA) and reactive oxygen species (ROS) and increases the levels of reduced glutathione (GSH) in Mm-infection-induced macrophages. SA inhibits the levels of MDA in Mm-infected zebrafish, suggesting that SA exerts antioxidative effects in vivo. Additionally, we found that SA promotes the expression of NRF2/HO-1/NQO-1 and the activation of the AMPK-α1/AKT/GSK-3β signaling pathway. In summary, our data demonstrated that SA exerts antioxidative and antibacterial effects during Mm infection both in vivo and in vitro and that the antioxidative effects of SA may be due to the regulation of NRF2/HO-1/NQO-1 and the AMPK-α1/AKT/GSK-3β signaling pathway.
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Affiliation(s)
- Da Wen
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Chaoqun Meng
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Yazhi Feng
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Lin Shen
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Yiyao Liu
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Wei Sun
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Guangxin Chen
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
| | - Changxin Wu
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory for Prevention and Treatment of Major Infectious Diseases, Shanxi University, Taiyuan 030006, China
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154
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Gonzalez D, Vásquez-Doorman C, Luna A, Allende ML. Modeling Spinal Muscular Atrophy in Zebrafish: Current Advances and Future Perspectives. Int J Mol Sci 2024; 25:1962. [PMID: 38396640 PMCID: PMC10888324 DOI: 10.3390/ijms25041962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/20/2023] [Accepted: 12/29/2023] [Indexed: 02/25/2024] Open
Abstract
Spinal muscular atrophy (SMA) is an autosomal recessive neurodegenerative disease characterized by degeneration of lower motor neurons (LMNs), causing muscle weakness, atrophy, and paralysis. SMA is caused by mutations in the Survival Motor Neuron 1 (SMN1) gene and can be classified into four subgroups, depending on its severity. Even though the genetic component of SMA is well known, the precise mechanisms underlying its pathophysiology remain elusive. Thus far, there are three FDA-approved drugs for treating SMA. While these treatments have shown promising results, their costs are extremely high and unaffordable for most patients. Thus, more efforts are needed in order to identify novel therapeutic targets. In this context, zebrafish (Danio rerio) stands out as an ideal animal model for investigating neurodegenerative diseases like SMA. Its well-defined motor neuron circuits and straightforward neuromuscular structure offer distinct advantages. The zebrafish's suitability arises from its low-cost genetic manipulation and optical transparency exhibited during larval stages, which facilitates in vivo microscopy. This review explores advancements in SMA research over the past two decades, beginning with the creation of the first zebrafish model. Our review focuses on the findings using different SMA zebrafish models generated to date, including potential therapeutic targets such as U snRNPs, Etv5b, PLS3, CORO1C, Pgrn, Cpg15, Uba1, Necdin, and Pgk1, among others. Lastly, we conclude our review by emphasizing the future perspectives in the field, namely exploiting zebrafish capacity for high-throughput screening. Zebrafish, with its unique attributes, proves to be an ideal model for studying motor neuron diseases and unraveling the complexity of neuromuscular defects.
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Affiliation(s)
- David Gonzalez
- Millennium Institute Center for Genome Regulation, Facultad de Ciencias, Universidad de Chile, Santiago 7800003, RM, Chile
- Departamento de Ciencias Químicas y Biológicas, Facultad de Ciencias de la Salud, Universidad Bernardo O'Higgins, Santiago 8370854, RM, Chile
| | - Constanza Vásquez-Doorman
- Millennium Institute Center for Genome Regulation, Facultad de Ciencias, Universidad de Chile, Santiago 7800003, RM, Chile
- Departamento de Ciencias Químicas y Biológicas, Facultad de Ciencias de la Salud, Universidad Bernardo O'Higgins, Santiago 8370854, RM, Chile
| | - Adolfo Luna
- Departamento de Ciencias Químicas y Biológicas, Facultad de Ciencias de la Salud, Universidad Bernardo O'Higgins, Santiago 8370854, RM, Chile
| | - Miguel L Allende
- Millennium Institute Center for Genome Regulation, Facultad de Ciencias, Universidad de Chile, Santiago 7800003, RM, Chile
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155
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Mutalik C, Nivedita, Sneka C, Krisnawati DI, Yougbaré S, Hsu CC, Kuo TR. Zebrafish Insights into Nanomaterial Toxicity: A Focused Exploration on Metallic, Metal Oxide, Semiconductor, and Mixed-Metal Nanoparticles. Int J Mol Sci 2024; 25:1926. [PMID: 38339204 PMCID: PMC10856345 DOI: 10.3390/ijms25031926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/27/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024] Open
Abstract
Nanomaterials are widely used in various fields, and ongoing research is focused on developing safe and sustainable nanomaterials. Using zebrafish as a model organism for studying the potentially toxic effects of nanomaterials highlights the importance of developing safe and sustainable nanomaterials. Studies conducted on nanomaterials and their toxicity and potential risks to human and environmental health are vital in biomedical sciences. In the present review, we discuss the potential toxicity of nanomaterials (inorganic and organic) and exposure risks based on size, shape, and concentration. The review further explores various types of nanomaterials and their impacts on zebrafish at different levels, indicating that exposure to nanomaterials can lead to developmental defects, changes in gene expressions, and various toxicities. The review also covers the importance of considering natural organic matter and chorion membranes in standardized nanotoxicity testing. While some nanomaterials are biologically compatible, metal and semiconductor nanomaterials that enter the water environment can increase toxicity to aquatic creatures and can potentially accumulate in the human body. Further investigations are necessary to assess the safety of nanomaterials and their impacts on the environment and human health.
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Affiliation(s)
- Chinmaya Mutalik
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
| | - Nivedita
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; (N.); (C.S.)
| | - Chandrasekaran Sneka
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; (N.); (C.S.)
| | - Dyah Ika Krisnawati
- Department of Nursing, Faculty of Nursing and Midwifery, Universitas Nahdlatul Ulama Surabaya, Surabaya 60237, East Java, Indonesia;
| | - Sibidou Yougbaré
- Institut de Recherche en Sciences de La Santé/Direction Régionale du Centre Ouest (IRSS/DRCO), Nanoro BP 218, 11, Burkina Faso;
| | - Chuan-Chih Hsu
- Division of Cardiovascular Surgery, Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Division of Cardiovascular Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Tsung-Rong Kuo
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan; (N.); (C.S.)
- Stanford Byers Center for Biodesign, Stanford University, Stanford, CA 94305, USA
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156
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Himaja K, Veerapandiyan K, Usha B. Aromatase inhibitors identified from Saraca asoca to treat infertility in women with polycystic ovary syndrome via in silico and in vivo studies. J Biomol Struct Dyn 2024:1-16. [PMID: 38315510 DOI: 10.1080/07391102.2024.2310793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/18/2024] [Indexed: 02/07/2024]
Abstract
Polycystic ovary syndrome (PCOS) is a widely occurring metabolic disorder causing infertility in 70%-80% of the affected women. Saraca asoca, an ancient medicinal herb, has been shown to have therapeutic effects against infertility and hormonal imbalance in women. This study was aimed to identify new aromatase inhibitors from S. asoca as an alternative to the commercially available ones via in silico and in vivo approaches. For this, 10 previously reported flavonoids from S. asoca were chosen and the pharmacodynamic and pharmacokinetic properties were predicted using tools like Autodock Vina, GROMACS, Gaussian and ADMETLab. Of the 10, procyanidin B2 and luteolin showed better interaction with higher binding energy when docked against aromatase (3S79) as compared to the commercial inhibitor letrozole. These two compounds showed higher stability in molecular dynamic simulations performed for 100 ns. Molecular mechanics Poisson-Boltzmann surface analysis indicated that these compounds have binding free energy similar to the commercial inhibitor, highlighting their great affinity for aromatase. Density functional theory analysis revealed that both compounds have a good energy gap, and ADMET prediction exhibited the drug-likeness of the two compounds. A dose-dependent administration of these two compounds on zebrafish revealed that both the compounds, at a lower concentration of 50 µg/ml, significantly reduced the aromatase concentration in the ovarian tissues as compared to the untreated control. Collectively, the in silico and in vivo findings recommend that procyanidin B2 and luteolin could be used as potential aromatase inhibitors for overcoming infertility in PCOS patients with estrogen dominance.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Kuppachi Himaja
- Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu, India
| | - Kandasamy Veerapandiyan
- Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu, India
| | - Balasundaram Usha
- Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu, Tamil Nadu, India
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157
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Palieri V, Paoli E, Wu YK, Haesemeyer M, Grunwald Kadow IC, Portugues R. The preoptic area and dorsal habenula jointly support homeostatic navigation in larval zebrafish. Curr Biol 2024; 34:489-504.e7. [PMID: 38211586 PMCID: PMC10849091 DOI: 10.1016/j.cub.2023.12.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 11/22/2023] [Accepted: 12/11/2023] [Indexed: 01/13/2024]
Abstract
Animals must maintain physiological processes within an optimal temperature range despite changes in their environment. Through behavioral assays, whole-brain functional imaging, and neural ablations, we show that larval zebrafish, an ectothermic vertebrate, achieves thermoregulation through homeostatic navigation-non-directional and directional movements toward the temperature closest to its physiological setpoint. A brain-wide circuit encompassing several brain regions enables this behavior. We identified the preoptic area of the hypothalamus (PoA) as a key brain structure in triggering non-directional reorientation when thermal conditions are worsening. This result shows an evolutionary conserved role of the PoA as principal thermoregulator of the brain also in ectotherms. We further show that the habenula (Hb)-interpeduncular nucleus (IPN) circuit retains a short-term memory of the sensory history to support the generation of coherent directed movements even in the absence of continuous sensory cues. We finally provide evidence that this circuit may not be exclusive for temperature but may convey a more abstract representation of relative valence of physiologically meaningful stimuli regardless of their specific identity to enable homeostatic navigation.
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Affiliation(s)
- Virginia Palieri
- Institute of Neuroscience, Technical University of Munich, Biedersteiner Strasse 29, 80802 Munich, Germany; School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Emanuele Paoli
- Institute of Neuroscience, Technical University of Munich, Biedersteiner Strasse 29, 80802 Munich, Germany
| | - You Kure Wu
- Institute of Neuroscience, Technical University of Munich, Biedersteiner Strasse 29, 80802 Munich, Germany
| | - Martin Haesemeyer
- Department of Neuroscience, The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Ilona C Grunwald Kadow
- School of Life Sciences, Technical University of Munich, Freising, Germany; Institute of Physiology II, University of Bonn, Medical Faculty (UKB), Nussallee 11, 53115 Bonn, Germany.
| | - Ruben Portugues
- Institute of Neuroscience, Technical University of Munich, Biedersteiner Strasse 29, 80802 Munich, Germany; Munich Cluster of Systems Neurology (SyNergy), Feodor-Lynen-Str. 17, 81377 Munich, Germany.
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158
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Weinberger M, Simões FC, Gungoosingh T, Sauka-Spengler T, Riley PR. Distinct epicardial gene regulatory programs drive development and regeneration of the zebrafish heart. Dev Cell 2024; 59:351-367.e6. [PMID: 38237592 DOI: 10.1016/j.devcel.2023.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/12/2023] [Accepted: 12/20/2023] [Indexed: 02/08/2024]
Abstract
Unlike the adult mammalian heart, which has limited regenerative capacity, the zebrafish heart fully regenerates following injury. Reactivation of cardiac developmental programs is considered key to successfully regenerating the heart, yet the regulation underlying the response to injury remains elusive. Here, we compared the transcriptome and epigenome of the developing and regenerating zebrafish epicardia. We identified epicardial enhancer elements with specific activity during development or during adult heart regeneration. By generating gene regulatory networks associated with epicardial development and regeneration, we inferred genetic programs driving each of these processes, which were largely distinct. Loss of Hif1ab, Nrf1, Tbx2b, and Zbtb7a, central regulators of the regenerating epicardial network, in injured hearts resulted in elevated epicardial cell numbers infiltrating the wound and excess fibrosis after cryoinjury. Our work identifies differences between the regulatory blueprint deployed during epicardial development and regeneration, underlining that heart regeneration goes beyond the reactivation of developmental programs.
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Affiliation(s)
- Michael Weinberger
- Department of Physiology, Anatomy and Genetics, Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford OX3 7TY, Oxfordshire, UK; Radcliffe Department of Medicine, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, Oxfordshire, UK
| | - Filipa C Simões
- Department of Physiology, Anatomy and Genetics, Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford OX3 7TY, Oxfordshire, UK
| | - Trishalee Gungoosingh
- Department of Physiology, Anatomy and Genetics, Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford OX3 7TY, Oxfordshire, UK
| | - Tatjana Sauka-Spengler
- Radcliffe Department of Medicine, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, Oxfordshire, UK; Stowers Institute for Medical Research, Kansas City, MO, USA.
| | - Paul R Riley
- Department of Physiology, Anatomy and Genetics, Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford OX3 7TY, Oxfordshire, UK.
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159
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Casey MJ, Chan PP, Li Q, Jette CA, Kohler M, Myers BR, Stewart RA. A Simple and Scalable Zebrafish Model of Sonic Hedgehog Medulloblastoma. bioRxiv 2024:2024.02.03.577834. [PMID: 38370799 PMCID: PMC10871209 DOI: 10.1101/2024.02.03.577834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Medulloblastoma (MB) is the most common malignant brain tumor in children and is stratified into three major subgroups. The Sonic hedgehog (SHH) subgroup represents ~30% of all MB cases and has significant survival disparity depending upon TP53 status. Here, we describe the first zebrafish model of SHH MB using CRISPR to mutate ptch1, the primary genetic driver in human SHH MB. These tumors rapidly arise adjacent to the valvula cerebelli and resemble human SHH MB by histology and comparative genomics. In addition, ptch1-deficient MB tumors with loss of tp53 have aggressive tumor histology and significantly worse survival outcomes, comparable to human patients. The simplicity and scalability of the ptch1 MB model makes it highly amenable to CRISPR-based genome editing screens to identify genes required for SHH MB tumor formation in vivo, and here we identify the grk3 kinase as one such target.
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Affiliation(s)
- Mattie J. Casey
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Priya P. Chan
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT 84108, USA
- Primary Children’s Hospital, Salt Lake City, UT 84113, USA
| | - Qing Li
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Cicely A. Jette
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Missia Kohler
- Department of Anatomic Pathology, University of Utah School of Medicine, Salt Lake City, UT 84112, USA
| | - Benjamin R. Myers
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT 84112, USA
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Rodney A. Stewart
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
- Lead contact
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160
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Mottola F, Ragucci S, Carannante M, Landi N, Scudiero R, Di Maro A, Rocco L. Genotoxicity Assessment of Quinoin, a Ribosome Inactivating Protein from Quinoa Seeds, in the Teleost Danio rerio. FRONT BIOSCI-LANDMRK 2024; 29:51. [PMID: 38420825 DOI: 10.31083/j.fbl2902051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/07/2023] [Accepted: 12/29/2023] [Indexed: 03/02/2024]
Abstract
BACKGROUND Ribosome inactivating proteins (RIPs) are N-glycosylases found in various plants that are able to specifically and irreversibly inhibit protein translation, thereby leading to cell death. Their cytotoxic properties have attracted attention in the medical field in the context of developing new anticancer therapies. Quinoin is a novel toxic enzyme obtained from quinoa seeds and classified as a type 1 RIP (Chenopodium quinoa Willd.). Recently, quinoin was found to be cytotoxic to normal fibroblasts and keratinocytes in vitro, as well as to several tumor cell lines. METHODS The aim of this study was to evaluate the in vitro and in vivo genotoxicity of quinoin in a zebrafish model. We evaluated its ability to induce DNA fragmentation, genomic instability, and reactive oxygen species (ROS) generation by means of terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) reaction, randomly amplified polymorphic DNA (RAPD) Polymerase Chain Reaction (PCR) technique, and dichlorofluorescine (DCF) assay, respectively. RESULTS Quinoin was found to cause genomic damage in zebrafish, as shown by DNA fragmentation, polymorphic variations leading to genomic instability, and oxidative stress. Interestingly, longer quinoin treatment caused less damage than shorter treatments. CONCLUSIONS This study demonstrated ROS-mediated genotoxicity of quinoin toward the zebrafish genome. The reduced damage observed after longer quinoin treatment could indicate the activation of detoxification mechanisms, activation of repair mechanisms, or the loss of protein activity due to enzymatic digestion. In order to clarify the genotoxic actions of quinoin, further investigations of the response pathways to DNA damage are needed. Overall, the ability of quinoin to cause breaks and instability in DNA, together with its clear cytotoxicity, make it an interesting candidate for the development of new drugs for cancer treatment.
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Affiliation(s)
- Filomena Mottola
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', 81100 Caserta, Italy
| | - Sara Ragucci
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', 81100 Caserta, Italy
| | - Maria Carannante
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', 81100 Caserta, Italy
| | - Nicola Landi
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', 81100 Caserta, Italy
- Institute of Crystallography, National Research Council of Italy, 81100 Caserta, Italy
| | - Rosaria Scudiero
- Department of Biology, University Federico II, 80126 Napoli, Italy
| | - Antimo Di Maro
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', 81100 Caserta, Italy
| | - Lucia Rocco
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', 81100 Caserta, Italy
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161
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Iribarne M. Editorial: Advances in morphogenesis and patterning: zebrafish as a model organism. Front Cell Dev Biol 2024; 12:1376663. [PMID: 38371922 PMCID: PMC10869597 DOI: 10.3389/fcell.2024.1376663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/20/2024] Open
Affiliation(s)
- Maria Iribarne
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, United States
- Center for Stem Cells and Regenerative Medicine, University of Notre Dame, Notre Dame, IN, United States
- Center for Zebrafish Research, University of Notre Dame, Notre Dame, IN, United States
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162
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Hodorovich DR, Fryer Harris T, Burton DF, Neese KM, Bieler RA, Chudasama V, Marsden KC. Effects of 4 Testing Arena Sizes and 11 Types of Embryo Media on Sensorimotor Behaviors in Wild-Type and chd7 Mutant Zebrafish Larvae. Zebrafish 2024; 21:1-14. [PMID: 38301171 PMCID: PMC10902501 DOI: 10.1089/zeb.2023.0052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024] Open
Abstract
The larval zebrafish is a highly versatile model across research disciplines, and the expanding use of behavioral analysis has contributed to many advances in neuropsychiatric, developmental, and toxicological studies, often through large-scale chemical and genetic screens. In the absence of standardized approaches to larval zebrafish behavior analysis, however, it is critical to understand the impact on behavior of experimental variables such as the size of testing arenas and the choice of embryo medium. Using a custom-built, modular high-throughput testing system, we examined the effects of 4 testing arena sizes and 11 types of embryo media on conserved sensorimotor behaviors in zebrafish larvae. Our data show that testing arena size impacts acoustic startle sensitivity and kinematics, as well as spontaneous locomotion and thigmotaxis, with fish tested in larger arenas displaying reduced startle sensitivity and increased locomotion. We also find that embryo media can dramatically affect startle sensitivity, kinematics, habituation, and prepulse inhibition, as well as spontaneous swimming, turning, and overall activity. Common medium components such as methylene blue and high calcium concentration consistently reduced startle sensitivity and locomotion. To further address how the choice of embryo medium can impact phenotype expression in zebrafish models of disease, we reared chd7 mutant larvae, a model of CHARGE syndrome with previously characterized morphological and behavioral phenotypes, in five different types of media and observed impacts on all phenotypes. By defining the effects of these key extrinsic factors on larval zebrafish behavior, these data can help researchers select the most appropriate conditions for their specific research questions, particularly for genetic and chemical screens.
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Affiliation(s)
- Dana R Hodorovich
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Tiara Fryer Harris
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Derek F Burton
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Katie M Neese
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Rachael A Bieler
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Vimal Chudasama
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Kurt C Marsden
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA
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163
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Ilyin NP, Petersen EV, Kolesnikova TO, Demin KA, Khatsko SL, Apuhtin KV, Kalueff AV. Developing Peripheral Biochemical Biomarkers of Brain Disorders: Insights from Zebrafish Models. Biochemistry (Mosc) 2024; 89:377-391. [PMID: 38622104 DOI: 10.1134/s0006297924020160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 01/09/2024] [Accepted: 02/13/2024] [Indexed: 04/17/2024]
Abstract
High prevalence of human brain disorders necessitates development of the reliable peripheral biomarkers as diagnostic and disease-monitoring tools. In addition to clinical studies, animal models markedly advance studying of non-brain abnormalities associated with brain pathogenesis. The zebrafish (Danio rerio) is becoming increasingly popular as an animal model organism in translational neuroscience. These fish share some practical advantages over mammalian models together with high genetic homology and evolutionarily conserved biochemical and neurobehavioral phenotypes, thus enabling large-scale modeling of human brain diseases. Here, we review mounting evidence on peripheral biomarkers of brain disorders in zebrafish models, focusing on altered biochemistry (lipids, carbohydrates, proteins, and other non-signal molecules, as well as metabolic reactions and activity of enzymes). Collectively, these data strongly support the utility of zebrafish (from a systems biology standpoint) to study peripheral manifestations of brain disorders, as well as highlight potential applications of biochemical biomarkers in zebrafish models to biomarker-based drug discovery and development.
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Affiliation(s)
- Nikita P Ilyin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia.
| | - Elena V Petersen
- Moscow Institute of Physics and Technology, Moscow, 115184, Russia.
| | - Tatyana O Kolesnikova
- Neuroscience Program, Sirius University of Science and Technology, Sochi, 354340, Russia.
| | - Konstantin A Demin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia.
- Moscow Institute of Physics and Technology, Moscow, 115184, Russia
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of the Russian Federation, St. Petersburg, 197341, Russia
- Laboratory of Preclinical Bioscreening, Granov Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of the Russian Federation, Pesochny, 197758, Russia
| | | | - Kirill V Apuhtin
- Laboratory of Biopsychiatry, Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, 630117, Russia.
- Neuroscience Division, Sirius University of Science and Technology, Sirius Federal Territory, 354340, Russia
| | - Allan V Kalueff
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia.
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Ministry of Healthcare of the Russian Federation, St. Petersburg, 197341, Russia
- Ural Federal University, Ekaterinburg, 620002, Russia
- Laboratory of Biopsychiatry, Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, 630117, Russia
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164
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Nathan J, Shameera R, Devarajan N, Perumal E. Role of berberine on angiogenesis and blood flow hemodynamics using zebrafish model. J Appl Toxicol 2024; 44:165-174. [PMID: 37615217 DOI: 10.1002/jat.4529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/18/2023] [Accepted: 08/03/2023] [Indexed: 08/25/2023]
Abstract
Angiogenesis and hemodynamic instability created by the irregular blood vessels causes hypoperfusion and angiogenesis-mediated diseases. Therefore, therapies focusing on controlling angiogenesis will be a valuable approach to treat a broad spectrum of diseases. In this study, we explored the anti-angiogenic potential of berberine (BBR) and also analyzed blood flow hemodynamics using zebrafish embryos. Zebrafish embryos treated with BBR (0.01-0.75 mM) at various doses at 1 hour post-fertilization (hpf) developed a variety of phenotypic variations including aberrant blood vessels, tail bending, edema, and hemorrhage. Survival rates were much lower at higher dosages, and hatching rates were almost 99%, whereas control group appeared normal. Heart rate is an essential measure that has a strong association with hemodynamics. We used ImageJ software to study the heart rate of embryos treated with BBR, preceded by video processing. The resultant graph shows a significant decrease in heart rate of embryos treated with BBR in dose-dependent manner. Also, RBC staining using o-Dianisidine confirms the anti-angiogenic potential of BBR by indicating the decrease in the intersegmental vessels at 0.5 and 0.75 mM treated embryos. Further, the gene expression study determined that the transcripts (vegf, vegfr2, nrp1a, hif-1α, nos2a, nos2b, cox-2a, and cox-2b) measured were found to be downregulated by BBR at 0.5 mM concentration, from which we conclude that enos/vegf signaling could play an important role in modulating angiogenesis. Our data imply that BBR may be an effective compound for suppressing angiogenesis in vivo, which might be helpful in the treatment of vascular disorders like cancer and diabetic retinopathy in future.
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Affiliation(s)
- Jhansi Nathan
- Zebrafish Developmental Biology Laboratory, AUKBC Research Centre for Emerging Technologies, Anna University, Chennai, Tamil Nadu, India
| | - Rabiathul Shameera
- Zebrafish Developmental Biology Laboratory, AUKBC Research Centre for Emerging Technologies, Anna University, Chennai, Tamil Nadu, India
| | - Nalini Devarajan
- Central Research Laboratory, Meenakshi Academy of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India
| | - Elumalai Perumal
- Centre for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
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165
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Kahsay A, Dennhag N, Liu JX, Nord H, Rönnbäck H, Thorell AE, von Hofsten J, Pedrosa Domellöf F. Obscurin Maintains Myofiber Identity in Extraocular Muscles. Invest Ophthalmol Vis Sci 2024; 65:19. [PMID: 38334702 PMCID: PMC10860686 DOI: 10.1167/iovs.65.2.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 01/12/2024] [Indexed: 02/10/2024] Open
Abstract
Purpose The cytoskeleton of the extraocular muscles (EOMs) is significantly different from that of other muscles. We aimed to investigate the role of obscurin, a fundamental cytoskeletal protein, in the EOMs. Methods The distribution of obscurin in human and zebrafish EOMs was compared using immunohistochemistry. The two obscurin genes in zebrafish, obscna and obscnb, were knocked out using CRISPR/Cas9, and the EOMs were investigated using immunohistochemistry, qPCR, and in situ hybridization. The optokinetic reflex (OKR) in five-day-old larvae and adult obscna-/-;obscnb-/- and sibling control zebrafish was analyzed. Swimming distance was recorded at the same age. Results The obscurin distribution pattern was similar in human and zebrafish EOMs. The proportion of slow and fast myofibers was reduced in obscna-/-;obscnb-/- zebrafish EOMs but not in trunk muscle, whereas the number of myofibers containing cardiac myosin myh7 was significantly increased in EOMs of obscurin double mutants. Loss of obscurin resulted in less OKRs in zebrafish larvae but not in adult zebrafish. Conclusions Obscurin expression is conserved in normal human and zebrafish EOMs. Loss of obscurin induces a myofiber type shift in the EOMs, with upregulation of cardiac myosin heavy chain, myh7, showing an adaptation strategy in EOMs. Our model will facilitate further studies in conditions related to obscurin.
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Affiliation(s)
- Abraha Kahsay
- Department of Integrative Medical Biology (IMB), Umeå University, Umeå, Sweden
- Department of Clinical Sciences, Ophthalmology, Umeå University, Umeå, Sweden
| | - Nils Dennhag
- Department of Integrative Medical Biology (IMB), Umeå University, Umeå, Sweden
- Department of Clinical Sciences, Ophthalmology, Umeå University, Umeå, Sweden
| | - Jing-Xia Liu
- Department of Integrative Medical Biology (IMB), Umeå University, Umeå, Sweden
| | - Hanna Nord
- Department of Integrative Medical Biology (IMB), Umeå University, Umeå, Sweden
| | - Hugo Rönnbäck
- Department of Clinical Sciences, Ophthalmology, Umeå University, Umeå, Sweden
| | | | - Jonas von Hofsten
- Department of Integrative Medical Biology (IMB), Umeå University, Umeå, Sweden
| | - Fatima Pedrosa Domellöf
- Department of Integrative Medical Biology (IMB), Umeå University, Umeå, Sweden
- Department of Clinical Sciences, Ophthalmology, Umeå University, Umeå, Sweden
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166
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Chowdhury G, Umeda K, Ohyanagi T, Nasu K, Yamasu K. Involvement of nr2f genes in brain regionalization and eye development during early zebrafish development. Dev Growth Differ 2024; 66:145-160. [PMID: 38263801 DOI: 10.1111/dgd.12912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/02/2024] [Accepted: 01/06/2024] [Indexed: 01/25/2024]
Abstract
Nuclear receptor subfamily 2 group F (Nr2f) proteins are essential for brain development in mice, but little is known about their precise roles and their evolutionary diversification. In the present study, the expression patterns of major nr2f genes (nr2f1a, nr2f1b, and nr2f2) during early brain development were investigated in zebrafish. Comparisons of their expression patterns revealed similar but temporally and spatially distinct patterns after early somite stages in the brain. Frameshift mutations in the three nr2f genes, achieved using the CRISPR/Cas9 method, resulted in a smaller telencephalon and smaller eyes in the nr2f1a mutants; milder forms of those defects were present in the nr2f1b and nr2f2 mutants. Acridine orange staining revealed enhanced cell death in the brain and/or eyes in all nr2f homozygous mutants. The expression of regional markers in the brain did not suggest global defects in brain regionalization; however, shha expression in the preoptic area and hypothalamus, as well as fgf8a expression in the anterior telencephalon, was disturbed in nr2f1a and nr2f1b mutants, potentially leading to a defective telencephalon. Specification of the retina and optic stalk was also significantly affected. The overexpression of nr2f1b by injection of mRNA disrupted the anterior brain at a high dose, and the expression of pax6a in the eyes and fgf8a in the telencephalon at a low dose. The results of these loss- and gain-of-function approaches showed that nr2f genes regulate the development of the telencephalon and eyes in zebrafish embryos.
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Affiliation(s)
- Gazlima Chowdhury
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
- Department of Aquatic Environment and Resource Management, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
| | - Koto Umeda
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | - Takero Ohyanagi
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | - Kouhei Nasu
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | - Kyo Yamasu
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
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167
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Jin M, Shi R, Gao D, Wang B, Li N, Li X, Sik A, Liu K, Zhang X. ErbB2 pY -1248 as a predictive biomarker for Parkinson's disease based on research with RPPA technology and in vivo verification. CNS Neurosci Ther 2024; 30:e14407. [PMID: 37564024 PMCID: PMC10848095 DOI: 10.1111/cns.14407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 07/27/2023] [Accepted: 07/30/2023] [Indexed: 08/12/2023] Open
Abstract
AIMS This study aims to reveal a promising biomarker for Parkinson's disease (PD) based on research with reverse phase protein array (RPPA) technology for the first time and in vivo verification, which gains time for early intervention in PD, thus increasing the effectiveness of treatment and reducing disease morbidity. METHODS AND RESULTS We employed RPPA technology which can assess both total and post-translationally modified proteins to identify biomarker candidates of PD in a cellular PD model. As a result, the phosphorylation (pY-1248) of the epidermal growth factor receptor (EGFR) ErbB2 is a promising biomarker candidate for PD. In addition, lapatinib, an ErbB2 tyrosine kinase inhibitor, was used to verify this PD biomarker candidate in vivo. We found that lapatinib-attenuated dopaminergic neuron loss and PD-like behavior in the zebrafish PD model. Accordingly, the expression of ErbB2pY-1248 significantly increased in the MPTP-induced mouse PD model. Our results suggest that ErbB2pY-1248 is a predictive biomarker for PD. CONCLUSIONS In this study, we found that ErbB2pY-1248 is a predictive biomarker of PD by using RPPA technology and in vivo verification. It offers a new perspective on PD diagnosing and treatment, which will be essential in identifying individuals at risk of PD. In addition, this study provides new ideas for digging into biomarkers of other neurodegenerative diseases.
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Affiliation(s)
- Meng Jin
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences)Ji'nanChina
- Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong ProvinceJi'nanChina
| | - Ruidie Shi
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences)Ji'nanChina
- Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong ProvinceJi'nanChina
- School of PsychologyNorth China University of Science and TechnologyTang'shanChina
| | - Daili Gao
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences)Ji'nanChina
- Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong ProvinceJi'nanChina
| | - Baokun Wang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences)Ji'nanChina
- Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong ProvinceJi'nanChina
| | - Ning Li
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences)Ji'nanChina
- Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong ProvinceJi'nanChina
| | - Xia Li
- Mills Institute for Personalized Cancer Care, Fynn Biotechnologies Ltd.Ji'nanChina
| | - Attila Sik
- Institute of Transdisciplinary Discoveries, Medical SchoolUniversity of PecsPécsHungary
- Institute of Clinical Sciences, Medical SchoolUniversity of BirminghamBirminghamUK
- Institute of Physiology, Medical SchoolUniversity of PecsPécsHungary
| | - Kechun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences)Ji'nanChina
- Engineering Research Center of Zebrafish Models for Human Diseases and Drug Screening of Shandong ProvinceJi'nanChina
| | - Xiujun Zhang
- School of PsychologyNorth China University of Science and TechnologyTang'shanChina
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168
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Cucun G, Köhler M, Pfitsch S, Rastegar S. Insights into the mechanisms of neuron generation and specification in the zebrafish ventral spinal cord. FEBS J 2024; 291:646-662. [PMID: 37498183 DOI: 10.1111/febs.16913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/20/2023] [Accepted: 07/25/2023] [Indexed: 07/28/2023]
Abstract
The vertebrate nervous system is composed of a wide range of neurons and complex synaptic connections, raising the intriguing question of how neuronal diversity is generated. The spinal cord provides an excellent model for exploring the mechanisms governing neuronal diversity due to its simple neural network and the conserved molecular processes involved in neuron formation and specification during evolution. This review specifically examines two distinct progenitor domains present in the zebrafish ventral spinal cord: the lateral floor plate (LFP) and the p2 progenitor domain. The LFP is responsible for the production of GABAergic Kolmer-Agduhr neurons (KA″), glutamatergic V3 neurons, and intraspinal serotonergic neurons, while the p2 domain generates V2 precursors that subsequently differentiate into three unique subpopulations of V2 neurons, namely glutamatergic V2a, GABAergic V2b, and glycinergic V2s. Based on recent findings, we will examine the fundamental signaling pathways and transcription factors that play a key role in the specification of these diverse neurons and neuronal subtypes derived from the LFP and p2 progenitor domains.
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Affiliation(s)
- Gokhan Cucun
- Institute for Biological and Chemical Systems - Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
| | - Melina Köhler
- Institute for Biological and Chemical Systems - Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
| | - Sabrina Pfitsch
- Institute for Biological and Chemical Systems - Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
| | - Sepand Rastegar
- Institute for Biological and Chemical Systems - Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
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169
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Ding Z, Jia H, Yang Z, Yao N, Wang Y. The cardiovascular toxicity of clozapine in embryonic zebrafish and RNA sequencing-based transcriptome analysis. J Appl Toxicol 2024; 44:175-183. [PMID: 37605992 DOI: 10.1002/jat.4530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 07/29/2023] [Accepted: 08/07/2023] [Indexed: 08/23/2023]
Abstract
Clozapine (CLZ) is the most prescribed medication for treating refractory schizophrenia but is associated with significant cardiovascular toxicity. This study aimed to investigate the cardiovascular toxicity induced by CLZ using zebrafish as a model animal. For this purpose, zebrafish developed to 80-h post-fertilization were exposed to different CLZ concentration solutions for 24 h followed by cardiac morphological observations in yolk sac edema, pericardial edema, and blood coagulation, in addition to increased SV-BA distance, functionally manifested as bradycardia, and decreased cardiac ejection fraction using the untreated embryos as control. At the same time, RNA sequencing was used to study the possible molecular mechanism of CLZ-induced cardiovascular toxicity. The results indicated that compared to the control group, the experimental groups possessed a total of 5888 differentially expressed genes (DEGs), where gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) functional enrichment of analysis indicated that DEGs were mainly enriched in the pathways related to ion channels. These findings may provide new insights and directions for the subsequent in-depth study of the molecular mechanism of CLZ-induced cardiovascular toxicity.
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Affiliation(s)
- Zijiao Ding
- Department of Pathology, School of Basic Medicine, Anhui Medical University, Hefei, 230032, China
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Huiting Jia
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ziqian Yang
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Nan Yao
- Department of Pathology, School of Basic Medicine, Anhui Medical University, Hefei, 230032, China
| | - Yunyun Wang
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
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170
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Zhang T, Xie Y, Li T, Deng Y, Wan Q, Bai T, Zhang Q, Cai Z, Chen M, Zhang J. Phytochemical analysis and hepatotoxicity assessment of braised Polygoni Multiflori Radix (Wen-He-Shou-Wu). Biomed Chromatogr 2024; 38:e5768. [PMID: 38087457 DOI: 10.1002/bmc.5768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 01/26/2024]
Abstract
Polygoni Multiflori Radix (PMR) is a medicinal herb commonly used in China and Eastern Asia. Recently, the discovery of hepatotoxicity in PMR has received considerable attention from scientists. Processing is a traditional Chinese medicine technique used for the effective reduction of toxicity. One uncommon technique is the braising method-also known as 'Wen-Fa' in Chinese-which is used to prepare tonics or poisonous medications. Braised PMR (BPMR)-also known as 'Wen-He-Shou-Wu'-is one of the processed products of the braising method. However, the non-volatile components of BPMR have not been identified and examined in detail, and therefore, the hepatotoxic advantage of BPMR remains unknown. In this study, we compared the microscopic characteristics of different samples in powder form using scanning electron microscopy (SEM), investigated the non-volatile components, assessed the effects of different processed PMR products on the liver, and compared the differences between BPMR and PMR Praeparata recorded in the Chinese Pharmacopoeia (2020 edition). We found that the hepatotoxicity of BPMR was dramatically decreased, which may be related to an increase in polysaccharide content and a decrease in toxic substances. The present study provides an important foundation for future investigations of the processing mechanisms of BPMR.
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Affiliation(s)
- Tao Zhang
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Yating Xie
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Tao Li
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Yaling Deng
- Department of Pharmacy, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, China
| | - Quan Wan
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Tingting Bai
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Qing Zhang
- Jianchangbang Pharmaceutical Co., Ltd., Nanchang, China
- Key Laboratory of Traditional Chinese Medicine Processing (Braising Method), Nanchang, China
| | - Zhongxi Cai
- Jianchangbang Pharmaceutical Co., Ltd., Nanchang, China
- Key Laboratory of Traditional Chinese Medicine Processing (Braising Method), Nanchang, China
| | - Mingxia Chen
- Jianchangbang Pharmaceutical Co., Ltd., Nanchang, China
- Key Laboratory of Traditional Chinese Medicine Processing (Braising Method), Nanchang, China
- Beijing Scrianen Pharmaceutical Co., Ltd., Beijing, China
| | - Jinlian Zhang
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
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171
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Hayasaka O, Shibukawa M, Kamei H. Cellular Energy Sensor Sirt1 Augments Mapk Signaling to Promote Hypoxia/Reoxygenation-Induced Catch-up Growth in Zebrafish Embryo. Zoolog Sci 2024; 41:21-31. [PMID: 38587514 DOI: 10.2108/zs230059] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/23/2023] [Indexed: 04/09/2024]
Abstract
Animal growth is blunted in adverse environments where catabolic metabolism dominates; however, when the adversity disappears, stunted animals rapidly catch up to age-equivalent body size. This phenomenon is called catch-up growth, which we observe in various animals. Since growth retardation and catch-up growth are sequential processes, catabolism or stress response molecules may remain active, especially immediately after growth resumes. Sirtuins (Sirt1-7) deacetylate target proteins in a nicotinamide adenine dinucleotide-dependent manner, and these enzymes govern diverse alleys of cellular functions. Here, we investigated the roles of Sirt1 and its close paralog Sirt2 in the hypoxia/reoxygenation-induced catch-up growth model using zebrafish embryos. Temporal blockade of Sirt1/2 significantly reduced the growth rate of the embryos in reoxygenation, but it was not evident in constant normoxia. Subsequent gene knockdown and chemical inhibition experiments demonstrated that Sirt1, but not Sirt2, was required for the catchup growth. Inhibition of Sirt1 significantly reduced the activity of mitogen-activated kinase (Mapk) of embryos in the reoxygenation condition. In addition, co-inhibition of Sirt1- and Igf-signaling did not further reduce the body growth or Mapk activation compared to those of the Igf-signaling-alone-inhibited embryos. Furthermore, in the reoxygenation condition, Sirt1- or Igf-signaling inhibition similarly blunted Mapk activity, especially in anterior tissues and trunk muscle, where the sirt1 expression was evident in the catching-up embryos. These results suggest that the catch-up growth requires Sirt1 action to activate the somatotropic Mapk pathway, likely by modifying the Igf-signaling.
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Affiliation(s)
- Oki Hayasaka
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kanazawa, Ishikawa 920-1192, Japan
| | - Mukaze Shibukawa
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Ishikawa 920-1192, Japan
- Ikedamohando Co., Ltd., Nakaniikawa-gun, Toyama 930-0365, Japan
| | - Hiroyasu Kamei
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kanazawa, Ishikawa 920-1192, Japan,
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de Menezes JFS, Sá Pires Silva AM, Aparecida Faria de Almeida E, da Silva AF, Morais Bomfim De Lima J, da Silva AW, Ferreira MKA, de Menezes JESA, Dos Santos HS, Marinho ES, Marinho GS, Marques da Fonseca A. Synthesis and anxiolytic effect of europium metallic complex containing lapachol [Eu(DBM)3. LAP] in adult zebrafish through serotonergic neurotransmission: in vivo and in silico approach. J Biomol Struct Dyn 2024; 42:1280-1292. [PMID: 37029769 DOI: 10.1080/07391102.2023.2199087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 03/29/2023] [Indexed: 04/09/2023]
Abstract
Anxiety-related mental health problems are estimated at 3.6% globally, benzodiazepines (BZDs) are the class of drugs indicated for the treatment of anxiety, including lorazepam and diazepam. However, concerns have been raised about the short- and long-term risks associated with BZDs. Therefore, despite anxiolytic and antidepressant drugs, there is a need to develop more effective pharmacotherapies with fewer side effects than existing drugs. The present work reported the synthesis, anxiolytic activity, mechanism of action in Adult Zebrafish (Danio rerio) and in silico study of a europium metallic complex with Lapachol, [Eu(DBM)3. LAP]. Each animal (n = 6/group) was treated intraperitoneally (i.p.; 20 µL) with the synthesized complex (4, 20 and 40 mg/Kg) and with the vehicle (DMSO 3%; 20 µL), being submitted to the tests of locomotor activity and 96h acute toxicity. The light/dark test was also performed, and the serotonergic mechanism (5-HT) was evaluated through the antagonists of the 5-HTR1, 5-HTR2A/2C and 5-HTR3A/3B receptors. The complex was characterized using spectrometric techniques, and the anxiolytic effect of complex may be involved the neuromodulation of receptors 5-HT3A/3B, since the pre-treatment with pizotifen and cyproheptadine did not block the anxiolytic effect of [Eu(DBM)3. LAP], unlike fluoxetine had its anxiolytic effect reversed. In addition, molecular docking showed interaction between the [Eu(DBM)3. LAP] and 5HT3A receptor with binding energy -7.8 kcal/mol and the ADMET study showed that complex has low toxic risk. It is expected that the beginning of this study will allow the application of the new anxiolytic drugs, given the pharmacological potential of the lapachol complex.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Jorge Fernando Silva de Menezes
- Center for Teacher Training, Federal University of Recôncavo da Bahia, Amargosa, Bahia, Brazil
- INCT - Energia e Meio Ambiente, UFBA, Rua Barão de Jeremoabo, Salvador, Bahia, Brazil
| | | | | | - Ananias Freire da Silva
- Postgraduate Program in Energy and Environment - PGEA, Institute of Engineering and Sustainable Development, University of International Integration of Afro-Brazilian Lusofonia, Acarape, Ceará, Brazil
| | | | | | | | | | - Hélcio Silva Dos Santos
- State University of Ceará, Graduate Program in Natural Sciences, Fortaleza, Ceará, Brazil
- State University of Vale do Acaraú, Chemistry Course, Sobral, Ceará, Brazil
| | - Emmanuel Silva Marinho
- State University of Ceará, Graduate Program in Natural Sciences, Fortaleza, Ceará, Brazil
- Degree Course in Computer Science, Ceará State University, Fortaleza, Ceará, Brazil
| | | | - Aluísio Marques da Fonseca
- Postgraduate Program in Energy and Environment - PGEA, Institute of Engineering and Sustainable Development, University of International Integration of Afro-Brazilian Lusofonia, Acarape, Ceará, Brazil
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173
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Oliveira Silva R, Counil H, Rabanel JM, Haddad M, Zaouter C, Ben Khedher MR, Patten SA, Ramassamy C. Donepezil-Loaded Nanocarriers for the Treatment of Alzheimer's Disease: Superior Efficacy of Extracellular Vesicles Over Polymeric Nanoparticles. Int J Nanomedicine 2024; 19:1077-1096. [PMID: 38317848 PMCID: PMC10843980 DOI: 10.2147/ijn.s449227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 01/07/2024] [Indexed: 02/07/2024] Open
Abstract
Introduction Drug delivery across the blood-brain barrier (BBB) is challenging and therefore severely restricts neurodegenerative diseases therapy such as Alzheimer's disease (AD). Donepezil (DNZ) is an acetylcholinesterase (AChE) inhibitor largely prescribed to AD patients, but its use is limited due to peripheral adverse events. Nanodelivery strategies with the polymer Poly (lactic acid)-poly(ethylene glycol)-based nanoparticles (NPs-PLA-PEG) and the extracellular vesicles (EVs) were developed with the aim to improve the ability of DNZ to cross the BBB, its brain targeting and efficacy. Methods EVs were isolated from human plasma and PLA-PEG NPs were synthesized by nanoprecipitation. The toxicity, brain targeting capacity and cholinergic activities of the formulations were evaluated both in vitro and in vivo. Results EVs and NPs-PLA-PEG were designed to be similar in size and charge, efficiently encapsulated DNZ and allowed sustained drug release. In vitro study showed that both formulations EVs-DNZ and NPs-PLA-PEG-DNZ were highly internalized by the endothelial cells bEnd.3. These cells cultured on the Transwell® model were used to analyze the transcytosis of both formulations after validation of the presence of tight junctions, the transendothelial electrical resistance (TEER) values and the permeability of the Dextran-FITC. In vivo study showed that both formulations were not toxic to zebrafish larvae (Danio rerio). However, hyperactivity was evidenced in the NPs-PLA-PEG-DNZ and free DNZ groups but not the EVs-DNZ formulations. Biodistribution analysis in zebrafish larvae showed that EVs were present in the brain parenchyma, while NPs-PLA-PEG remained mainly in the bloodstream. Conclusion The EVs-DNZ formulation was more efficient to inhibit the AChE enzyme activity in the zebrafish larvae head. Thus, the bioinspired delivery system (EVs) is a promising alternative strategy for brain-targeted delivery by substantially improving the activity of DNZ for the treatment of AD.
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Affiliation(s)
- Rummenigge Oliveira Silva
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | - Hermine Counil
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | | | - Mohamed Haddad
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | - Charlotte Zaouter
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | - Mohamed Raâfet Ben Khedher
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
- Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Shunmoogum A Patten
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | - Charles Ramassamy
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Québec, Canada
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174
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Pramanik S, Bala A, Pradhan A. Zebrafish in understanding molecular pathophysiology, disease modeling, and developing effective treatments for Rett syndrome. J Gene Med 2024; 26:e3677. [PMID: 38380785 DOI: 10.1002/jgm.3677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/04/2024] [Accepted: 01/28/2024] [Indexed: 02/22/2024] Open
Abstract
Rett syndrome (RTT) is a rare but dreadful X-linked genetic disease that mainly affects young girls. It is a neurological disease that affects nerve cell development and function, resulting in severe motor and intellectual disabilities. To date, no cure is available for treating this disease. In 90% of the cases, RTT is caused by a mutation in methyl-CpG-binding protein 2 (MECP2), a transcription factor involved in the repression and activation of transcription. MECP2 is known to regulate several target genes and is involved in different physiological functions. Mouse models exhibit a broad range of phenotypes in recapitulating human RTT symptoms; however, understanding the disease mechanisms remains incomplete, and many potential RTT treatments developed in mouse models have not shown translational effectiveness in human trials. Recent data hint that the zebrafish model emulates similar disrupted neurological functions following mutation of the mecp2 gene. This suggests that zebrafish can be used to understand the onset and progression of RTT pathophysiology and develop a possible cure. In this review, we elaborate on the molecular basis of RTT pathophysiology in humans and model organisms, including rodents and zebrafish, focusing on the zebrafish model to understand the molecular pathophysiology and the development of therapeutic strategies for RTT. Finally, we propose a rational treatment strategy, including antisense oligonucleotides, small interfering RNA technology and induced pluripotent stem cell-derived cell therapy.
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Affiliation(s)
- Subrata Pramanik
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, Assam, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Asis Bala
- Pharmacology and Drug Discovery Research Laboratory, Division of Life Sciences; Institute of Advanced Study in Science and Technology (IASST), An Autonomous Institute Under - Department of Science & Technology (Govt. of India) Vigyan Path, Guwahati, Assam, India
| | - Ajay Pradhan
- Biology, The Life Science Center, School of Science and Technology, Örebro University, Örebro, Sweden
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175
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Yang HZ, Zhuo D, Huang Z, Luo G, Liang S, Fan Y, Zhao Y, Lv X, Qiu C, Zhang L, Liu Y, Sun T, Chen X, Li SS, Jin X. Deficiency of Acetyltransferase nat10 in Zebrafish Causes Developmental Defects in the Visual Function. Invest Ophthalmol Vis Sci 2024; 65:31. [PMID: 38381411 PMCID: PMC10893899 DOI: 10.1167/iovs.65.2.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/19/2024] [Indexed: 02/22/2024] Open
Abstract
Purpose N4-acetylcytidine (ac4C) is a post-transcriptional RNA modification catalyzed by N-acetyltransferase 10 (NAT10), a critical factor known to influence mRNA stability. However, the role of ac4C in visual development remains unexplored. Methods Analysis of public datasets and immunohistochemical staining were conducted to assess the expression pattern of nat10 in zebrafish. We used CRISPR/Cas9 and RNAi technologies to knockout (KO) and knockdown (KD) nat10, the zebrafish ortholog of human NAT10, and evaluated its effects on early development. To assess the impact of nat10 knockdown on visual function, we performed comprehensive histological evaluations and behavioral analyses. Transcriptome profiling and real-time (RT)-PCR were utilized to detect alterations in gene expression resulting from the nat10 knockdown. Dot-blot and RNA immunoprecipitation (RIP)-PCR analyses were conducted to verify changes in ac4C levels in both total RNA and opsin mRNA specifically. Additionally, we used the actinomycin D assay to examine the stability of opsin mRNA following the nat10 KD. Results Our study found that the zebrafish NAT10 protein shares similar structural properties with its human counterpart. We observed that the nat10 gene was prominently expressed in the visual system during early zebrafish development. A deficiency of nat10 in zebrafish embryos resulted in increased mortality and developmental abnormalities. Behavioral and histological assessments indicated significant vision impairment in nat10 KD zebrafish. Transcriptomic analysis and RT-PCR identified substantial downregulation of retinal transcripts related to phototransduction, light response, photoreceptors, and visual perception in the nat10 KD group. Dot-blot and RIP-PCR analyses confirmed a pronounced reduction in ac4C levels in both total RNA and specifically in opsin messenger RNA (mRNA). Additionally, by evaluating mRNA decay in zebrafish treated with actinomycin D, we observed a significant decrease in the stability of opsin mRNA in the nat10 KD group. Conclusions The ac4C-mediated mRNA modification plays an essential role in maintaining visual development and retinal function. The loss of NAT10-mediated ac4C modification results in significant disruptions to these processes, underlining the importance of this RNA modification in ocular development.
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Affiliation(s)
| | - Donghai Zhuo
- School of Medicine, Nankai University, Tianjin, China
| | | | - Gan Luo
- Tianjin Medical University, Tianjin, China
- Department of Spinal Surgery, Tianjin Union Medical Center, Tianjin, China
| | - Shuang Liang
- Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin, China
| | - Yonggang Fan
- School of Medicine, Nankai University, Tianjin, China
| | - Ying Zhao
- School of Medicine, Nankai University, Tianjin, China
| | - Xinxin Lv
- School of Medicine, Nankai University, Tianjin, China
| | - Caizhen Qiu
- School of Medicine, Nankai University, Tianjin, China
| | - Lingzhu Zhang
- School of Medicine, Nankai University, Tianjin, China
| | - Yang Liu
- Department of Spinal Surgery, Tianjin Union Medical Center, Tianjin, China
| | - Tianwei Sun
- Tianjin Medical University, Tianjin, China
- Department of Spinal Surgery, Tianjin Union Medical Center, Tianjin, China
| | - Xu Chen
- Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin, China
- Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin, China
| | - Shan-Shan Li
- School of Medicine, Nankai University, Tianjin, China
| | - Xin Jin
- School of Medicine, Nankai University, Tianjin, China
- Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin, China
- Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin, China
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176
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Bouchard EL, Meireles AM, Talbot WS. Oligodendrocyte development and myelin sheath formation are regulated by the antagonistic interaction between the Rag-Ragulator complex and TFEB. Glia 2024; 72:289-299. [PMID: 37767930 PMCID: PMC10841052 DOI: 10.1002/glia.24473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 08/11/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023]
Abstract
Myelination by oligodendrocytes is critical for fast axonal conduction and for the support and survival of neurons in the central nervous system. Recent studies have emphasized that myelination is plastic and that new myelin is formed throughout life. Nonetheless, the mechanisms that regulate the number, length, and location of myelin sheaths formed by individual oligodendrocytes are incompletely understood. Previous work showed that the lysosomal transcription factor TFEB represses myelination by oligodendrocytes and that the RagA GTPase inhibits TFEB, but the step or steps of myelination in which TFEB plays a role have remained unclear. Here, we show that TFEB regulates oligodendrocyte differentiation and also controls the length of myelin sheaths formed by individual oligodendrocytes. In the dorsal spinal cord of tfeb mutants, individual oligodendrocytes produce myelin sheaths that are longer than those produced by wildtype cells. Transmission electron microscopy shows that there are more myelinated axons in the dorsal spinal cord of tfeb mutants than in wildtype animals, but no significant change in axon diameter. In contrast to tfeb mutants, oligodendrocytes in rraga mutants produce shorter myelin sheaths. The sheath length in rraga; tfeb double mutants is not significantly different from wildtype, consistent with the antagonistic interaction between RagA and TFEB. Finally, we find that the GTPase activating protein Flcn and the RagCa and RagCb GTPases are also necessary for myelination by oligodendrocytes. These findings demonstrate that TFEB coordinates myelin sheath length and number during myelin formation in the central nervous system.
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Affiliation(s)
- Ellen L. Bouchard
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Ana M. Meireles
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - William S. Talbot
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
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177
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Harini VS, Marimuthu R, Tantry MSA, Santhakumar K. Induction of Paraquat-Mediated Parkinsonian Phenotype in Zebrafish. Curr Protoc 2024; 4:e990. [PMID: 38348973 DOI: 10.1002/cpz1.990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Paraquat (PQ) is a well-known neurotoxin closely associated with neurodegenerative Parkinson's disease (PD). Zebrafish are utilized as a model for PD research because of their well-defined neuropathology and locomotor behavior. Here, we highlight protocols for inducing PD using PQ and analyzing locomotor activity in adult zebrafish. Basic Protocol 1 details the treatment of adult male zebrafish with 60 mg/kg PQ via intraperitoneal injection to induce a PD-like phenotype, followed by the steps to perform a locomotor assay. Basic Protocol 2 provides step-by-step guidance for processing the acquired videos in ToxTrac software to understand the locomotor parameters of 0.9% saline- and 60 mg/kg PQ-injected adult zebrafish. The simplicity of the treatment strategy, low-cost video acquisition setup, and free video processing make these protocols accessible without prior experience. © 2024 Wiley Periodicals LLC. Basic Protocol 1: Development of Parkinson's disease features in adult zebrafish Basic Protocol 2: ToxTrac analysis for locomotor assay.
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Affiliation(s)
- V S Harini
- Zebrafish Genetics Laboratory, Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Raghunath Marimuthu
- Zebrafish Genetics Laboratory, Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - M S Ananthakrishna Tantry
- Zebrafish Genetics Laboratory, Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Kirankumar Santhakumar
- Zebrafish Genetics Laboratory, Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
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178
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Zhang J, Jiang C, Wang Z, Fang B, He J, Li M. Investigation of the pathogenesis of ADAR1 gene in dyschromatosis symmetrica hereditaria. Exp Dermatol 2024; 33:e15031. [PMID: 38375898 DOI: 10.1111/exd.15031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/21/2024]
Abstract
The pathogenesis of dyschromatosis symmetrica hereditaria (DSH) has not been well defined. In this study, we sought to investigate the influence of the ADAR1 gene on DSH both in vitro and in vivo. Morpholino knockdown of adar1 in zebrafish produced phenotypes characterized by polarity changes, and abnormal migration and distribution of melanocytes. Differential expression of C-KIT and distinct patterns of apoptosis between hyperpigmented and hypopigmented areas in DSH patient were detected by means of immunohistochemical methods and TUNEL assays, respectively. This study revealed that adar1 knockdown in a zebrafish model resulted in abnormal migration and changes in the cell polarity of melanocytes, and provided novel insight into the mechanism of DSH pathogenesis.
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Affiliation(s)
- Jia Zhang
- Department of Dermatology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Chengyi Jiang
- Department of Dermatology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhen Wang
- Department of Dermatology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Biqing Fang
- Department of Dermatology, QuanZhou Women's and Children's Hospital, Quanzhou, China
| | - Jin He
- Department of Pediatric Orthopaedics, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ming Li
- Department of Dermatology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
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179
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Bai Y, Henry J, Kreuder F, Mawdsley D, Kaslin J, Wlodkowic D. An Open-Source Programmable Interface for Sensory-Motor Biotests with Zebrafish ( Danio rerio). Zebrafish 2024; 21:48-52. [PMID: 38193768 DOI: 10.1089/zeb.2023.0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024] Open
Abstract
Assessment of animals' sensory-motor functions requires precise and electronically controlled stimuli to induce and quantify specific behavioral phenotypes. However, accessible and inexpensive tools for conducting diverse sensory-motor biotests with fish are lacking. In this work, we present an open-source software and hardware interface that enables automated delivery of three independent and fully programmable stimuli for behavioral bioassays. We demonstrate the proof-of-concept application of this low-cost technology in establishing reproducible fear responses using a mechanical tap-startle stimulus in larval zebrafish. This response is characterized by a sudden burst of motion in response to a nondirectional mechanical stimulus delivered to the fish chamber. We propose that the simplicity and flexibility of this interface offer innovative opportunities for studying sensory-motor functions in various fields, including neurobiology, neuropharmacology, neurotoxicology, and aquatic ecotoxicology.
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Affiliation(s)
- Yutao Bai
- The Neurotoxicology Laboratory, School of Science, RMIT University, Melbourne, Victoria, Australia
| | - Jason Henry
- The Neurotoxicology Laboratory, School of Science, RMIT University, Melbourne, Victoria, Australia
| | - Florian Kreuder
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia
| | - David Mawdsley
- Defence Science and Technology Group, Fishermans Bend, Victoria, Australia
| | - Jan Kaslin
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia
| | - Donald Wlodkowic
- The Neurotoxicology Laboratory, School of Science, RMIT University, Melbourne, Victoria, Australia
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180
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Sharma S, Magnitsky S, Reesey E, Schwartz M, Haroon S, Lavorato M, Chan S, Xiao R, Wilkins BJ, Martinez D, Seiler C, Falk MJ. Novel Development of Magnetic Resonance Imaging to Quantify the Structural Anatomic Growth of Diverse Organs in Adult and Mutant Zebrafish. Zebrafish 2024; 21:28-38. [PMID: 37603286 PMCID: PMC10886421 DOI: 10.1089/zeb.2023.0018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023] Open
Abstract
Zebrafish (Danio rerio) is a widely used vertebrate animal for modeling genetic diseases by targeted editing strategies followed by gross phenotypic and biomarker characterization. While larval transparency permits microscopic detection of anatomical defects, histological adult screening for organ-level defects remains invasive, tedious, inefficient, and subject to technical artifact. Here, we describe a noninvasive magnetic resonance imaging (MRI) approach to systematically screen adult zebrafish for anatomical growth defects. An anatomical atlas of wild-type (WT) zebrafish at 5-31 months post-fertilization was created by ex vivo MRI with a 9.4 T magnet. Volumetric growth over time was measured of animals and major organs, including the brain, spinal cord, heart, eyes, optic nerve, ear, liver, kidneys, and swim bladder. Subsequently, surf1-/-, fbxl4-/-, and opa1+/- mitochondrial disease mutant adult zebrafish were quantitatively studied to compare organ volumes with age-matched WT zebrafish. Results demonstrated that MRI enabled noninvasive, high-resolution, rapid screening of mutant adult zebrafish for overall and organ-specific growth abnormalities. Detailed volumetric analyses of three mitochondrial disease mutants delineated specific organ differences, including significantly increased brain growth in surf1-/- and opa1+/-, and marginally significant decreased heart and spinal cord volumes in surf1-/- mutants. This is interesting as we know neurological involvement can be seen in SURF1-/- patients with ataxia, dystonia, and lesions in basal ganglia, as well as in OPA1+/- patients with spasticity, ataxia, and hyperreflexia indicative of neuropathology. Similarly, cardiomyopathy is a known sequelae of cardiac pathology in patients with SURF1-/--related disease. Future studies will define MRI signaling patterns of organ dysfunction to further delineate specific pathology.
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Affiliation(s)
- Sonal Sharma
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Division of Child Neurology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Sergey Magnitsky
- Small Animal Imaging Core, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Emily Reesey
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Mitchell Schwartz
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Suraiya Haroon
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Manuela Lavorato
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Sherine Chan
- Neuroene Therapeutics, Washington, DC, USA
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Rui Xiao
- Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Benjamin J. Wilkins
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Daniel Martinez
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Christoph Seiler
- Zebrafish Core Facility, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Marni J. Falk
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
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181
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Reed M, Pan W, Musa L, Arlotta S, Mennigen JA, Jonz MG. A role for dopamine in control of the hypoxic ventilatory response via D 2 receptors in the zebrafish gill. J Comp Neurol 2024; 532:e25548. [PMID: 37837632 DOI: 10.1002/cne.25548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 09/21/2023] [Accepted: 10/03/2023] [Indexed: 10/16/2023]
Abstract
Dopamine is a neurotransmitter involved in oxygen sensing and control of reflex hyperventilation. In aquatic vertebrates, oxygen sensing occurs in the gills via chemoreceptive neuroepithelial cells (NECs), but a mechanism for dopamine in autonomic control of ventilation has not been defined. We used immunohistochemistry and confocal microscopy to map the distribution of tyrosine hydroxylase (TH), an enzyme necessary for dopamine synthesis, in the gills of zebrafish. TH was found in nerve fibers of the gill filaments and respiratory lamellae. We further identified dopamine active transporter (dat) and vesicular monoamine transporter (vmat2) expression in neurons of the gill filaments using transgenic lines. Moreover, TH- and dat-positive nerve fibers innervated NECs. In chemical screening assays, domperidone, a D2 receptor antagonist, increased ventilation frequency in zebrafish larvae in a dose-dependent manner. When larvae were confronted with acute hypoxia, the D2 agonist, quinpirole, abolished the hyperventilatory response. Quantitative polymerase chain reaction confirmed expression of drd2a and drd2b (genes encoding D2 receptors) in the gills, and their relative abundance decreased following acclimation to hypoxia for 48 h. We localized D2 receptor immunoreactivity to NECs in the efferent gill filament epithelium, and a novel cell type in the afferent filament epithelium. We provide evidence for the synthesis and storage of dopamine by sensory nerve terminals that innervate NECs. We further suggest that D2 receptors on presynaptic NECs provide a feedback mechanism that attenuates the chemoreceptor response to hypoxia. Our studies suggest that a fundamental, modulatory role for dopamine in oxygen sensing arose early in vertebrate evolution.
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Affiliation(s)
- Maddison Reed
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Wen Pan
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Lina Musa
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Stefania Arlotta
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Jan A Mennigen
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Michael G Jonz
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
- Brain and Mind Research Institute, University of Ottawa, Ottawa, Ontario, Canada
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182
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Komiya H, Sato Y, Kimura H, Kawakami A. Independent mesenchymal progenitor pools respectively produce and maintain osteogenic and chondrogenic cells in zebrafish. Dev Growth Differ 2024; 66:161-171. [PMID: 38193362 DOI: 10.1111/dgd.12908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/18/2023] [Accepted: 12/21/2023] [Indexed: 01/10/2024]
Abstract
Skeletal tissues including cartilage and bones are characteristic features of vertebrates that are crucial for supporting body morphology and locomotion. Studies mainly in mice have shown that osteoblasts and chondroblasts are supplied from several progenitors like the sclerotome cells in the embryonic stage, osteo-chondroprogenitors in growing long bones, and skeletal stem cells of bone marrow in the postnatal period. However, the exact origins of progenitor cells, their lineage relationships, and their potential to differentiate into osteoblasts and chondroblasts from embryos to adult tissues are not well understood. In this study, we conducted clonal cell tracking in zebrafish and showed that sox9a+ cells are already committed to either chondrogenic or osteogenic fates during embryonic stages and that respective progenies are independently maintained as mesenchymal progenitor pools. Once committed, they never change their lineage identities throughout animal life, even through regeneration. In addition, we further revealed that only osteogenic mesenchymal cells replenish the osteoblast progenitor cells (OPCs), a population of reserved tissue stem cells found to be involved in the de novo production of osteoblasts during regeneration and homeostasis in zebrafish. Thus, our clonal cell tracking study in zebrafish firstly revealed that the mesenchymal progenitor cells that are fated to develop into either chondroblasts or osteoblasts serve as respective tissue stem cells to maintain skeletal tissue homeostasis. Such mesenchymal progenitors dedicated to producing either chondroblasts or osteoblasts would be important targets for skeletal tissue regeneration.
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Affiliation(s)
- Hiroaki Komiya
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan
| | - Yuko Sato
- Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, Japan
| | - Hiroshi Kimura
- Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, Japan
| | - Atsushi Kawakami
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan
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183
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Pinheiro EF, Cardoso PB, Luz WL, Assad N, Santos-Silva M, Leão LKR, de Moraes SAS, Passos ADC, de Jesus Oliveira Batista E, Oliveira KRHM, Gouveia A, Herculano AM. Putative Activation of Cannabinoid Receptor Type 1 Prevents Brain Oxidative Stress and Inhibits Aggressive-Like Behavior in Zebrafish. Cannabis Cannabinoid Res 2024; 9:65-73. [PMID: 36576997 DOI: 10.1089/can.2022.0146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background: Aggression is a set of complex behaviors commonly described in different neurological disorders, such as schizophrenia, autistim spectrum disorder, and anxiety. Previous studies have described that some changes in the redox status of the brain are closely associated with aggressive behavior in different species. In addition, the endocannabinoid system acts as a neuromodulator of the central nervous system, however, its participation in aggressive behavior needs to be elucidated. Danio rerio (zebrafish) is an important model in the study of aggression, in this context, the present study investigated whether the activation of type 1 cannabinoid receptors (CB1r) alters the cerebral redox state and aggressive behavior in zebrafish. Materials and Methods: We performed pharmacological manipulations with the CB1r agonist (ACEA) and antagonist (AM-251) to assess the role of this receptor in aggressive behavior. Individuals were isolated in pairs, without physical contact for 24 h, treated with the drugs of interest, and after 30 minutes of pharmacokinetics, the fights were filmed for 30 min, and the individuals were identified as dominant or subordinate. Results: A consistent decrease in the strike and bite aggressive behavior was observed in the group treated with the ACEA agonist compared with that in the control and AM-251 groups. When evaluating the cerebral redox state, we observed that treatment with the ACEA agonist reduced malondialdehyde (MDA) levels and increased the levels of sulfhydryl groups compared with those in the control group. These results indicate that the activation of CB1r by the ACEA agonist inhibited aggressiveness and attenuated the levels of oxidative stress in both subjects (dominant or subordinate) in the treated group. Conclusion: Thus, we suggest that zebrafish is an alternative model to study common aggressive behavior disorders among species and that CB1r represent a potential target for the development of treatments for aggressive disorders.
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Affiliation(s)
- Emerson Feio Pinheiro
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Patrick Bruno Cardoso
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Waldo Lucas Luz
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Nadyme Assad
- Department of Psychobiology, Federal University of São Paulo, São Paulo, Brazil
| | - Mateus Santos-Silva
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Luana Ketlen Reis Leão
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | | | - Adelaide da Conceição Passos
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Evander de Jesus Oliveira Batista
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
- Laboratory of Protozoology, Tropical Medicine Center, Federal University of Pará, Belém, Brazil
| | | | - Amauri Gouveia
- Laboratory of Neuroscience and Behavior, Federal University of Pará, Belém, Brazil
| | - Anderson Manoel Herculano
- Laboratory of Experimental Neuropharmacology, Institute of Biological Sciences, Federal University of Pará, Belém, Brazil
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184
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Kocere A, Chiavacci E, Soneson C, Wells HH, Méndez-Acevedo KM, MacGowan JS, Jacobson ST, Hiltabidle MS, Raghunath A, Shavit JA, Panáková D, Williams MLK, Robinson MD, Mosimann C, Burger A. Rbm8a deficiency causes hematopoietic defects by modulating Wnt/PCP signaling. bioRxiv 2024:2023.04.12.536513. [PMID: 37090609 PMCID: PMC10120739 DOI: 10.1101/2023.04.12.536513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Defects in blood development frequently occur among syndromic congenital anomalies. Thrombocytopenia-Absent Radius (TAR) syndrome is a rare congenital condition with reduced platelets (hypomegakaryocytic thrombocytopenia) and forelimb anomalies, concurrent with more variable heart and kidney defects. TAR syndrome associates with hypomorphic gene function for RBM8A/Y14 that encodes a component of the exon junction complex involved in mRNA splicing, transport, and nonsense-mediated decay. How perturbing a general mRNA-processing factor causes the selective TAR Syndrome phenotypes remains unknown. Here, we connect zebrafish rbm8a perturbation to early hematopoietic defects via attenuated non-canonical Wnt/Planar Cell Polarity (PCP) signaling that controls developmental cell re-arrangements. In hypomorphic rbm8a zebrafish, we observe a significant reduction of cd41-positive thrombocytes. rbm8a-mutant zebrafish embryos accumulate mRNAs with individual retained introns, a hallmark of defective nonsense-mediated decay; affected mRNAs include transcripts for non-canonical Wnt/PCP pathway components. We establish that rbm8a-mutant embryos show convergent extension defects and that reduced rbm8a function interacts with perturbations in non-canonical Wnt/PCP pathway genes wnt5b, wnt11f2, fzd7a, and vangl2. Using live-imaging, we found reduced rbm8a function impairs the architecture of the lateral plate mesoderm (LPM) that forms hematopoietic, cardiovascular, kidney, and forelimb skeleton progenitors as affected in TAR Syndrome. Both mutants for rbm8a and for the PCP gene vangl2 feature impaired expression of early hematopoietic/endothelial genes including runx1 and the megakaryocyte regulator gfi1aa. Together, our data propose aberrant LPM patterning and hematopoietic defects as consequence of attenuated non-canonical Wnt/PCP signaling upon reduced rbm8a function. These results also link TAR Syndrome to a potential LPM origin and a developmental mechanism.
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Affiliation(s)
- Agnese Kocere
- Department of Pediatrics, Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Department of Molecular Life Sciences, University of Zürich, Zürich, Switzerland
| | - Elena Chiavacci
- Department of Molecular Life Sciences, University of Zürich, Zürich, Switzerland
| | - Charlotte Soneson
- Department of Molecular Life Sciences, University of Zürich, Zürich, Switzerland
- SIB Swiss Institute of Bioinformatics, University of Zürich, Zürich, Switzerland
| | - Harrison H. Wells
- Department of Pediatrics, Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | | | - Jacalyn S. MacGowan
- Center for Precision Environmental Health and Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Seth T. Jacobson
- Department of Pediatrics, Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Max S. Hiltabidle
- Department of Pediatrics, Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Azhwar Raghunath
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Jordan A. Shavit
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Human Genetics, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Daniela Panáková
- Max Delbrück Center (MDC) for Molecular Medicine in the Helmholtz Association, Berlin-Buch, Germany
- University Hospital Schleswig Holstein, Kiel, Germany
- German Centre for Cardiovascular Research (DZHK), partner site Hamburg, Kiel, Lübeck, Germany
| | - Margot L. K. Williams
- Center for Precision Environmental Health and Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Mark D. Robinson
- Department of Molecular Life Sciences, University of Zürich, Zürich, Switzerland
- SIB Swiss Institute of Bioinformatics, University of Zürich, Zürich, Switzerland
| | - Christian Mosimann
- Department of Pediatrics, Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Alexa Burger
- Department of Pediatrics, Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
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185
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Salgado-Almario J, Molina Y, Vicente M, Martínez-Sielva A, Rodríguez-García R, Vincent P, Domingo B, Llopis J. ERG potassium channels and T-type calcium channels contribute to the pacemaker and atrioventricular conduction in zebrafish larvae. Acta Physiol (Oxf) 2024; 240:e14075. [PMID: 38071417 DOI: 10.1111/apha.14075] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 11/14/2023] [Accepted: 11/22/2023] [Indexed: 02/01/2024]
Abstract
AIM Bradyarrhythmias result from inhibition of automaticity, prolonged repolarization, or slow conduction in the heart. The ERG channels mediate the repolarizing current IKr in the cardiac action potential, whereas T-type calcium channels (TTCC) are involved in the sinoatrial pacemaker and atrioventricular conduction in mammals. Zebrafish have become a valuable research model for human cardiac electrophysiology and disease. Here, we investigate the contribution of ERG channels and TTCCs to the pacemaker and atrioventricular conduction in zebrafish larvae and determine the mechanisms causing atrioventricular block. METHODS Zebrafish larvae expressing ratiometric fluorescent Ca2+ biosensors in the heart were used to measure Ca2+ levels and rhythm in beating hearts in vivo, concurrently with contraction and hemodynamics. The atrioventricular delay (the time between the start of atrial and ventricular Ca2+ transients) was used to measure impulse conduction velocity and distinguished between slow conduction and prolonged refractoriness as the cause of the conduction block. RESULTS ERG blockers caused bradycardia and atrioventricular block by prolonging the refractory period in the atrioventricular canal and in working ventricular myocytes. In contrast, inhibition of TTCCs caused bradycardia and second-degree block (Mobitz type I) by slowing atrioventricular conduction. TTCC block did not affect ventricular contractility, despite being highly expressed in cardiomyocytes. Concomitant measurement of Ca2+ levels and ventricular size showed mechano-mechanical coupling: increased preload resulted in a stronger heart contraction in vivo. CONCLUSION ERG channels and TTCCs influence the heart rate and atrioventricular conduction in zebrafish larvae. The zebrafish lines expressing Ca2+ biosensors in the heart allow us to investigate physiological feedback mechanisms and complex arrhythmias.
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Affiliation(s)
- Jussep Salgado-Almario
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Yillcer Molina
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Manuel Vicente
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Antonio Martínez-Sielva
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Raúl Rodríguez-García
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Pierre Vincent
- IGF, Univ. Montpellier, CNRS, INSERM, Montpellier, France
| | - Beatriz Domingo
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
| | - Juan Llopis
- Physiology and Cell Dynamics, Facultad de Medicina de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
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186
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Cho SH, Cho SY, Vaidya B, Kwon J, Kim D. Influence of colour background on anti-viral activity against viral haemorrhagic septicaemia virus in zebrafish regulated by circadian rhythm signalling pathway. J Fish Dis 2024; 47:e13887. [PMID: 38018296 DOI: 10.1111/jfd.13887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/30/2023]
Abstract
The influence of colour background on the regulation of behavioural and physiological responses in zebrafish is widely recognized. However, its specific effect on virus infection in zebrafish remains unclear. This study aimed to explore the susceptibility of zebrafish to viral haemorrhagic septicaemia virus (VHSV) infection in relation to background colour, investigate the underlying mechanisms, and elucidate the involvement of key molecules, using proteomic and gene expression analyses. The results revealed that zebrafish housed in a blue tank exhibited higher survival rates and considerably reduced VHSV replication compared to those housed in a yellow tank. Further, up-regulation of apolipoprotein 1 (APOA1) was identified as a crucial shared mechanism associated with survival in zebrafish exposed to VHSV infection and reared in a blue background. The mRNA expression level of bmal1a, a core gene involved in the circadian rhythm, was consistently downregulated in fish from the blue tank compared to fish from the yellow tank, regardless of infection status. Subsequently, zebrafish in the blue tank were exposed to daylight conditions to stimulate per2 and pgc1a expression, aiming to investigate their potential impact on VHSV infection. The validity of these interconnected events, triggered by background colour, involving APOA1 up-regulation, circadian rhythm modulation, and antiviral responses, was confirmed by treatments with hesperetin and cyclosporine A, an activator and inhibitor of apoa1 respectively. Our findings revealed the influence of background colour on the apoa1 expression level, thus establishing the involvement of a novel network through circadian rhythm signalling.
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Affiliation(s)
- Se-Hyun Cho
- Department of Food Science and Technology and Foodborne Virus Research Center, Chonnam National University, Gwangju, Republic of Korea
| | - Se-Young Cho
- Department of Food Science and Technology and Foodborne Virus Research Center, Chonnam National University, Gwangju, Republic of Korea
| | - Bipin Vaidya
- Department of Food Science and Technology and Foodborne Virus Research Center, Chonnam National University, Gwangju, Republic of Korea
| | - Joseph Kwon
- Biochemical Analysis Team, Korea Basic Science Institute, Daejeon, Republic of Korea
| | - Duwoon Kim
- Department of Food Science and Technology and Foodborne Virus Research Center, Chonnam National University, Gwangju, Republic of Korea
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187
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Zhang R, Torraca V, Lyu H, Xiao S, Guo D, Zhou C, Tang J. RUNDC1 negatively mediates the fusion of autophagosomes with lysosomes via regulating SNARE complex assembly. Autophagy 2024; 20:454-456. [PMID: 37876308 PMCID: PMC10813571 DOI: 10.1080/15548627.2023.2274210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 10/17/2023] [Indexed: 10/26/2023] Open
Abstract
Macroautophagy/autophagy is an essential pro-survival mechanism activated in response to nutrient deficiency. The proper fusion between autophagosomes and lysosomes is a critical step for autophagic degradation. We recently reported that RUNDC1 (RUN domain containing 1) inhibits autolysosome formation via clasping the ATG14-STX17-SNAP29 complex to hinder VAMP8 binding. We showed that RUNDC1 colocalizes with LC3 and associates with mature autophagosomes in cell lines and the zebrafish model. We utilized liposome fusion and in vitro autophagosome-lysosome fusion assays to demonstrate that RUNDC1 inhibits autolysosome formation. Moreover, we found that RUNDC1 clasps the ATG14-STX17-SNAP29 complex via stimulating ATG14 homo-oligomerization to inhibit ATG14 dissociation, which in turn prevents VAMP8 from binding to STX17-SNAP29. Our results demonstrate that RUNDC1 is a negative regulator of autophagy that restricts autophagosome fusion with lysosomes and is crucial for zebrafish survival in nutrient-deficient conditions. Here, we summarize our findings and discuss their implications for our understanding of autophagy regulation.
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Affiliation(s)
- Rui Zhang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Vincenzo Torraca
- School of Life Sciences, University of Westminster, London, UK
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Hao Lyu
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Shuai Xiao
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Dong Guo
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Cefan Zhou
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Jingfeng Tang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
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188
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Song H, Shin U, Nam U, Lee Y. Exploring hematopoiesis in zebrafish using forward genetic screening. Exp Mol Med 2024; 56:51-58. [PMID: 38172599 PMCID: PMC10834449 DOI: 10.1038/s12276-023-01138-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 01/05/2024] Open
Abstract
Zebrafish have emerged as a powerful animal model for investigating the genetic basis of hematopoiesis. Owing to its close genetic and developmental similarities to humans, combined with its rapid reproduction and extensive genomic resources, zebrafish have become a versatile and efficient platform for genetic studies. In particular, the forward genetic screening approach has enabled the unbiased identification of novel genes and pathways related to blood development, from hematopoietic stem cell formation to terminal differentiation. Recent advances in mutant gene mapping have further expanded the scope of forward genetic screening, facilitating the identification of previously unknown genes and pathways relevant to hematopoiesis. In this review, we provide an overview of the zebrafish forward screening approach for hematopoietic gene discovery and highlight the key genes and pathways identified using this method. This review emphasizes the importance of zebrafish as a model system for understanding the genetic basis of hematopoiesis and its associated disorders.
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Affiliation(s)
- Hyemin Song
- Department of Biomedical Sciences, UC San Diego School of Medicine, La Jolla, CA, 92093, USA
- Salk Institute for Biological Studies, La Jolla, CA, 92037, USA
| | - Unbeom Shin
- School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Uijeong Nam
- Department of Biomedical Science and Technology, Kyung Hee University, Seoul, 05278, Republic of Korea
| | - Yoonsung Lee
- Clinical Research Institute, Kyung Hee University Hospital at Gangdong, School of Medicine, Kyung Hee University, Seoul, 05278, Republic of Korea.
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189
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Crouzier L, Meunier J, Carles A, Morilleau A, Vrigneau C, Schmitt M, Bourguignon JJ, Delprat B, Maurice T. Convolamine, a tropane alkaloid extracted from Convolvulus plauricalis, is a potent sigma-1 receptor-positive modulator with cognitive and neuroprotective properties. Phytother Res 2024; 38:694-712. [PMID: 38011416 DOI: 10.1002/ptr.8068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND AND AIM By using an in vivo phenotypic screening assay in zebrafish, we identified Convolamine, a tropane alkaloid from Convulvus plauricalis, as a positive modulator of the sigma-1 receptor (S1R). The wfs1abKO zebrafish larva, a model of Wolfram syndrome, exhibits an increased visual-motor response due to a mutation in Wolframin, a protein involved in endoplasmic reticulum-mitochondria communication. We previously reported that ligand activating S1R, restored the cellular and behavioral deficits in patient fibroblasts and zebrafish and mouse models. EXPERIMENTAL PROCEDURES We screened a library of 108 repurposing and natural compounds on zebrafish motor response. KEY RESULTS One hit, the tropane alkaloid Convolamine, restored normal mobility in wfs1abKO larvae without affecting wfs1abWT controls. They did not bind to the S1R agonist/antagonist binding site nor dissociated S1R from BiP, an S1R activity assay in vitro, but behaved as a positive modulator by shifting the IC50 value of the reference agonist PRE-084 to lower values. Convolamine restored learning in Wfs1∆Exon8 , Dizocilpine-treated, and Aβ25-35 -treated mice. These effects were observed at low ~1 mg/kg doses, not shared by Convolvine, the desmethyl metabolite, and blocked by an S1R antagonist. CONCLUSION AND IMPLICATIONS Convolamine therefore acts as an S1R positive modulator and this pharmacological action is relevant to the traditional use of Shankhpushpi in memory and cognitive protection.
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Affiliation(s)
- Lucie Crouzier
- MMDN, University of Montpellier, EPHE, INSERM, Montpellier, France
| | - Johann Meunier
- MMDN, University of Montpellier, EPHE, INSERM, Montpellier, France
| | - Allison Carles
- MMDN, University of Montpellier, EPHE, INSERM, Montpellier, France
| | - Axelle Morilleau
- MMDN, University of Montpellier, EPHE, INSERM, Montpellier, France
| | | | | | | | - Benjamin Delprat
- MMDN, University of Montpellier, EPHE, INSERM, Montpellier, France
| | - Tangui Maurice
- MMDN, University of Montpellier, EPHE, INSERM, Montpellier, France
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190
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Raas Q, Wood A, Stevenson TJ, Swartwood S, Liu S, Kannan RM, Kannan S, Bonkowsky JL. Generation and characterization of a zebrafish gain-of-function ACOX1 Mitchell disease model. Front Pediatr 2024; 12:1326886. [PMID: 38357503 PMCID: PMC10864527 DOI: 10.3389/fped.2024.1326886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/05/2024] [Indexed: 02/16/2024] Open
Abstract
Background Mitchell syndrome is a rare, neurodegenerative disease caused by an ACOX1 gain-of-function mutation (c.710A>G; p.N237S), with fewer than 20 reported cases. Affected patients present with leukodystrophy, seizures, and hearing loss. ACOX1 serves as the rate-limiting enzyme in peroxisomal beta-oxidation of very long-chain fatty acids. The N237S substitution has been shown to stabilize the active ACOX1 dimer, resulting in dysregulated enzymatic activity, increased oxidative stress, and glial damage. Mitchell syndrome lacks a vertebrate model, limiting insights into the pathophysiology of ACOX1-driven white matter damage and neuroinflammatory insults. Methods We report a patient presenting with rapidly progressive white matter damage and neurological decline, who was eventually diagnosed with an ACOX1 N237S mutation through whole genome sequencing. We developed a zebrafish model of Mitchell syndrome using transient ubiquitous overexpression of the human ACOX1 N237S variant tagged with GFP. We assayed zebrafish behavior, oligodendrocyte numbers, expression of white matter and inflammatory transcripts, and analysis of peroxisome counts. Results The patient experienced progressive leukodystrophy and died 2 years after presentation. The transgenic zebrafish showed a decreased swimming ability, which was restored with the reactive microglia-targeted antioxidant dendrimer-N-acetyl-cysteine conjugate. The mutants showed no effect on oligodendrocyte counts but did display activation of the integrated stress response (ISR). Using a novel SKL-targeted mCherry reporter, we found that mutants had reduced density of peroxisomes. Conclusions We developed a vertebrate (zebrafish) model of Mitchell syndrome using transient ubiquitous overexpression of the human ACOX1 N237S variant. The transgenic mutants exhibited motor impairment and showed signs of activated ISR, but interestingly, there were no changes in oligodendrocyte counts. However, the mutants exhibited a deficiency in the number of peroxisomes, suggesting a possible shared mechanism with the Zellweger spectrum disorders.
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Affiliation(s)
- Quentin Raas
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, United States
- Laboratory of Translational Research for Neurological Disorders, Imagine Institute, Université de Paris, INSERM UMR 1163, Paris, France
| | - Austin Wood
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Tamara J. Stevenson
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Shanna Swartwood
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Suzanne Liu
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Rangaramanujam M. Kannan
- Department of Ophthalmology, Center for Nanomedicine, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Sujatha Kannan
- Department of Ophthalmology, Center for Nanomedicine, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Joshua L. Bonkowsky
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, United States
- Center for Personalized Medicine, Primary Children’s Hospital, Salt Lake City, UT, United States
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191
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Watchon M, Robinson KJ, Luu L, An Y, Yuan KC, Plenderleith SK, Cheng F, Don EK, Nicholson GA, Lee A, Laird AS. Treatment with sodium butyrate induces autophagy resulting in therapeutic benefits for spinocerebellar ataxia type 3. FASEB J 2024; 38:e23429. [PMID: 38258931 DOI: 10.1096/fj.202300963rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 12/21/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024]
Abstract
Spinocerebellar ataxia type 3 (SCA3, also known as Machado Joseph disease) is a fatal neurodegenerative disease caused by the expansion of the trinucleotide repeat region within the ATXN3/MJD gene. Mutation of ATXN3 causes formation of ataxin-3 protein aggregates, neurodegeneration, and motor deficits. Here we investigated the therapeutic potential and mechanistic activity of sodium butyrate (SB), the sodium salt of butyric acid, a metabolite naturally produced by gut microbiota, on cultured SH-SY5Y cells and transgenic zebrafish expressing human ataxin-3 containing 84 glutamine (Q) residues to model SCA3. SCA3 SH-SY5Y cells were found to contain high molecular weight ataxin-3 species and detergent-insoluble protein aggregates. Treatment with SB increased the activity of the autophagy protein quality control pathway in the SCA3 cells, decreased the presence of ataxin-3 aggregates and presence of high molecular weight ataxin-3 in an autophagy-dependent manner. Treatment with SB was also beneficial in vivo, improving swimming performance, increasing activity of the autophagy pathway, and decreasing the presence of insoluble ataxin-3 protein species in the transgenic SCA3 zebrafish. Co-treating the SCA3 zebrafish with SB and chloroquine, an autophagy inhibitor, prevented the beneficial effects of SB on zebrafish swimming, indicating that the improved swimming performance was autophagy-dependent. To understand the mechanism by which SB induces autophagy we performed proteomic analysis of protein lysates from the SB-treated and untreated SCA3 SH-SY5Y cells. We found that SB treatment had increased activity of Protein Kinase A and AMPK signaling, with immunoblot analysis confirming that SB treatment had increased levels of AMPK protein and its substrates. Together our findings indicate that treatment with SB can increase activity of the autophagy pathway process and that this has beneficial effects in vitro and in vivo. While our results suggested that this activity may involve activity of a PKA/AMPK-dependent process, this requires further confirmation. We propose that treatment with sodium butyrate warrants further investigation as a potential treatment for neurodegenerative diseases underpinned by mechanisms relating to protein aggregation including SCA3.
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Affiliation(s)
- Maxinne Watchon
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Katherine J Robinson
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Luan Luu
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Yousun An
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Kristy C Yuan
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Stuart K Plenderleith
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Flora Cheng
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Emily K Don
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Garth A Nicholson
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
- ANZAC Research Institute, Concord Repatriation Hospital, Concord, New South Wales, Australia
| | - Albert Lee
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Angela S Laird
- Motor Neuron Disease Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
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Zhou R, Ding RC, Yu Q, Qiu CZ, Zhang HY, Yin ZJ, Ren DL. Metformin Attenuates Neutrophil Recruitment through the H3K18 Lactylation/Reactive Oxygen Species Pathway in Zebrafish. Antioxidants (Basel) 2024; 13:176. [PMID: 38397774 PMCID: PMC10886385 DOI: 10.3390/antiox13020176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
Beyond its well-established role in diabetes management, metformin has gained attention as a promising therapeutic for inflammation-related diseases, largely due to its antioxidant capabilities. However, the mechanistic underpinnings of this effect remain elusive. Using in vivo zebrafish models of inflammation, we explored the impact of metformin on neutrophil recruitment and the underlying mechanisms involved. Our data indicate that metformin reduces histone (H3K18) lactylation, leading to the decreased production of reactive oxygen species (ROS) and a muted neutrophil response to both caudal fin injury and otic vesicle inflammation. To investigate the precise mechanisms through which metformin modulates neutrophil migration via ROS and H3K18 lactylation, we meticulously established the correlation between metformin-induced suppression of H3K18 lactylation and ROS levels. Through supplementary experiments involving the restoration of lactate and ROS, our findings demonstrated that elevated levels of both lactate and ROS significantly promoted the inflammatory response in zebrafish. Collectively, our study illuminates previously unexplored avenues of metformin's antioxidant and anti-inflammatory actions through the downregulation of H3K18 lactylation and ROS production, highlighting the crucial role of epigenetic regulation in inflammation and pointing to metformin's potential in treating inflammation-associated conditions.
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Affiliation(s)
| | | | | | | | | | - Zong-Jun Yin
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (R.Z.); (R.-C.D.); (Q.Y.); (C.-Z.Q.); (H.-Y.Z.)
| | - Da-Long Ren
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (R.Z.); (R.-C.D.); (Q.Y.); (C.-Z.Q.); (H.-Y.Z.)
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193
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Rosowski EE. mSphere of Influence: How host genetics impact microbial pathogenesis and treatment of infectious disease. mSphere 2024; 9:e0062923. [PMID: 38095416 PMCID: PMC10826357 DOI: 10.1128/msphere.00629-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024] Open
Abstract
Emily Rosowski works in the field of host-pathogen interactions, studying how host innate immune mechanisms control pathogens. In this mSphere of Influence article, she reflects on how "Host genotype-specific therapies can optimize the inflammatory response to mycobacterial infections" by D. M. Tobin, F. J. Roca, S. F. Oh, R. McFarland, et al. (Cell 148:434-446, 2012, https://doi.org/10.1016/j.cell.2011.12.023) made an impact on her by investigating how differences in host genetics can affect modes of microbial pathogenesis and inform treatments for infectious disease.
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Affiliation(s)
- Emily E. Rosowski
- Department of Biological Sciences, Clemson University, Clemson, South Carolina, USA
- Eukaryotic Pathogens Innovation Center, Clemson University, Clemson, South Carolina, USA
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194
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Wang M, Luo J, Dai L, Feng M, Cao X, Zhang J, Wan Y, Yang X, Wang Y. Foxp2 deficiency impairs reproduction by modulating the hypothalamic-pituitary-gonadal axis in zebrafish. Biol Reprod 2024:ioae019. [PMID: 38288660 DOI: 10.1093/biolre/ioae019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024] Open
Abstract
FOXP2 was initially characterized as a transcription factor linked to speech and language disorders. Single-cell RNA sequencing (scRNA-seq) reveals that Foxp2 is enriched in the gonadotrope cluster of the pituitary gland and colocalized with the hormones LHB and FSHB in chickens and mice, implying that FOXP2 might be associated with reproduction in vertebrates. Herein, we investigated the roles of foxp2 in reproduction in a Foxp2-deficient zebrafish model. The results indicated that the loss of Foxp2 inhibits courtship behavior in adult male zebrafish. Notably, Foxp2 deficiency disrupts gonad development, leading to retardation of follicle development and a decrease in oocytes in females at the full-growth stage, among other phenotypes. The transcriptome analysis (RNA-seq) also revealed that differentially expressed genes clustered into the estrogen signaling and ovarian steroidogenesis-related signaling pathways. In addition, we found that Foxp2 deficiency could modulate the hypothalamic-pituitary-gonadal (HPG) axis, especially the regulation of lhb and fshb expression, in zebrafish. In contrast, the injection of hCG, a specific LH agonist, partially rescues Foxp2-impaired reproduction in zebrafish, suggesting that Foxp2 plays an important role in the regulation of reproduction via the HPG axis in zebrafish. Thus, our findings reveal a new role for Foxp2 in the regulation of reproduction in vertebrates.
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Affiliation(s)
- Maya Wang
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Juanjuan Luo
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Lu Dai
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Meilan Feng
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Xiaoqian Cao
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Jiannan Zhang
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Yiping Wan
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
| | - Xiaojun Yang
- Shantou University Medical College, Shantou, China
| | - Yajun Wang
- Key Laboratory of Bioresources and Eco-environment of Ministry of Education, College of Life Science, Sichuan University, Chengdu, China
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Cho KH, Kim JE, Kang DJ, Dominguez-Horta MDC, Martinez-Donato G. Synergistic Anti-Inflammatory Activity of Apolipoprotein A-I and CIGB-258 in Reconstituted High-Density Lipoproteins (rHDL) against Acute Toxicity of Carboxymethyllysine in Zebrafish and Its Embryo. Pharmaceuticals (Basel) 2024; 17:165. [PMID: 38399381 PMCID: PMC10892825 DOI: 10.3390/ph17020165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
CIGB-258 is a 3 kDa altered peptide ligand from heat shock protein (HSP) 60 that exhibits anti-inflammatory activity against the acute toxicity of carboxymethyllysine (CML) with antioxidant and anti-glycation activities via protection of high-density lipoprotein (HDL) and apolipoprotein A-I (apoA-I). It is necessary to test a synergistic interaction between apoA-I and CIGB-258 in reconstituted high-density lipoproteins (rHDL). Several rHDLs were synthesized containing palmitoyloleoyl phosphatidylcholine (POPC), cholesterol, apoA-I, and CIGB-258 at molar ratios of 95:5:1:0, 95:5:1:0.1, 95:5:1:0.5, and 95:5:1:1 for rHDL-(1:0), rHDL-(1:0.1), rHDL-(1:0.5), and rHDL-(1:1), respectively. As the CIGB-258 content in rHDL was increased, the particle size of rHDL was 1.4-times higher than rHDL-(1:0) to rHDL-(1:1), from 60 nm to 83 nm, respectively. As the CIGB-258 content was increased, the rHDL showed the most resistance to isothermal denaturation by a urea treatment, and rHDL-(1:1) exhibited the highest structural stability and the strongest antioxidant ability against LDL oxidation. Co-treatment of rHDL-(1:0), rHDL-(1:0.5), and rHDL-(1:1) resulted in up to 10%, 24%, and 34% inhibition of HDL glycation, inhibition of HDL glycation, which was caused by the CML, with protection of apoA-I. Microinjection of each rHDL into zebrafish embryos in the presence of CML showed that a higher CIGB-258 content in rHDL was associated with higher survivability with the least inflammation and apoptosis. Furthermore, an intraperitoneal injection of rHDL and CML showed that a higher CIGB-258 content in rHDL was also associated with higher survivability of zebrafish and faster recovery of swimming ability. The rHDL-(1:1) group showed the lowest triglyceride, AST, and ALT serum levels with the least production of interleukin-6, oxidized product, and neutrophil infiltration in hepatic tissue. In conclusion, CIGB-258 could bind well to phospholipids and cholesterol to stabilize apoA-I in the rHDL structure against denaturation stress and larger particle sizes. The rHDL containing CIGB-258 enhanced the in vitro antioxidant ability against LDL oxidation, the anti-glycation activity to protect HDL, and the in vivo anti-inflammatory activity against CML toxicity in zebrafish adults and embryos. Overall, incorporating apoA-I and CIGB-258 in rHDL resulted in a synergistic interaction to enhance the structural and functional correlations in a dose-dependent manner of CIGB-258.
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Affiliation(s)
- Kyung-Hyun Cho
- Raydel Research Institute, Medical Innovation Complex, Daegu 41061, Republic of Korea
| | - Ji-Eun Kim
- Raydel Research Institute, Medical Innovation Complex, Daegu 41061, Republic of Korea
| | - Dae-Jin Kang
- Raydel Research Institute, Medical Innovation Complex, Daegu 41061, Republic of Korea
| | | | - Gillian Martinez-Donato
- Center for Genetic Engineering and Biotechnology, Ave 31, e/158 y 190, Playa, La Havana 10600, Cuba
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196
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Park SJ, Silic MR, Staab PL, Chen J, Zackschewski EL, Zhang G. Evolution of two-pore domain potassium channels and their gene expression in zebrafish embryos. Dev Dyn 2024. [PMID: 38270285 DOI: 10.1002/dvdy.690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/10/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND The two-pore domain potassium (K2P) channels are a major type of potassium channels that maintain the cell membrane potential by conducting passive potassium leak currents independent of voltage change. They play prominent roles in multiple physiological processes, including neuromodulation, perception of pain, breathing and mood control, and response to volatile anesthetics. Mutations in K2P channels have been linked to many human diseases, such as neuronal and cardiovascular disorders and cancers. Significant progress has been made to understand their protein structures, physiological functions, and pharmacological modifiers. However, their expression and function during embryonic development remain largely unknown. RESULTS We employed the zebrafish model and identified 23 k2p genes using BLAST search and gene cloning. We first analyzed vertebrate K2P channel evolution by phylogenetic and syntenic analyses. Our data revealed that the six subtypes of the K2P genes have already evolved in invertebrates long before the emergence of vertebrates. Moreover, the vertebrate K2P gene number increased, most likely due to two whole-genome duplications. Furthermore, we examined zebrafish k2p gene expression during early embryogenesis by in situ hybridization. Each subgroup's genes showed similar but distinct gene expression domains with some exceptions. Most of them were expressed in neural tissues consistent with their known function of neural excitability regulation. However, a few k2p genes were expressed temporarily in specific tissues or organs, suggesting that these K2P channels may be needed for embryonic development. CONCLUSIONS Our phylogenetic and developmental analyses of K2P channels shed light on their evolutionary history and potential roles during embryogenesis related to their physiological functions and human channelopathies.
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Affiliation(s)
- Sung Jun Park
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
| | - Martin R Silic
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
| | - Peyton L Staab
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
| | - Jiapei Chen
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
| | - Ethan L Zackschewski
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
| | - GuangJun Zhang
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana, USA
- Purdue Institute for Inflammation, Immunology and Infectious Diseases (PI4D), Purdue University, West Lafayette, Indiana, USA
- Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, Indiana, USA
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197
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He J, Blazeski A, Nilanthi U, Menéndez J, Pirani SC, Levic DS, Bagnat M, Singh MK, Raya JG, García-Cardeña G, Torres-Vázquez J. Plxnd1-mediated mechanosensing of blood flow controls the caliber of the Dorsal Aorta via the transcription factor Klf2. bioRxiv 2024:2024.01.24.576555. [PMID: 38328196 PMCID: PMC10849625 DOI: 10.1101/2024.01.24.576555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
The cardiovascular system generates and responds to mechanical forces. The heartbeat pumps blood through a network of vascular tubes, which adjust their caliber in response to the hemodynamic environment. However, how endothelial cells in the developing vascular system integrate inputs from circulatory forces into signaling pathways to define vessel caliber is poorly understood. Using vertebrate embryos and in vitro-assembled microvascular networks of human endothelial cells as models, flow and genetic manipulations, and custom software, we reveal that Plexin-D1, an endothelial Semaphorin receptor critical for angiogenic guidance, employs its mechanosensing activity to serve as a crucial positive regulator of the Dorsal Aorta's (DA) caliber. We also uncover that the flow-responsive transcription factor KLF2 acts as a paramount mechanosensitive effector of Plexin-D1 that enlarges endothelial cells to widen the vessel. These findings illuminate the molecular and cellular mechanisms orchestrating the interplay between cardiovascular development and hemodynamic forces.
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Affiliation(s)
- Jia He
- Department of Cell Biology, NYU Grossman School of Medicine, New York, NY 10016, USA
| | - Adriana Blazeski
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA and Harvard Medical School, Boston, MA, USA
- Cardiovascular Disease Initiative, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Uthayanan Nilanthi
- Programme in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, 8 College Road, Singapore, 169857
| | - Javier Menéndez
- Department of Cell Biology, NYU Grossman School of Medicine, New York, NY 10016, USA
| | - Samuel C. Pirani
- Department of Cell Biology, NYU Grossman School of Medicine, New York, NY 10016, USA
| | - Daniel S. Levic
- Department of Cell Biology, Duke University, Durham, NC 27710, USA
| | - Michel Bagnat
- Department of Cell Biology, Duke University, Durham, NC 27710, USA
| | - Manvendra K. Singh
- Programme in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, 8 College Road, Singapore, 169857
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, Singapore, 169609
| | - José G Raya
- Department of Radiology, New York University School of Medicine, New York, NY 10016, USA
| | - Guillermo García-Cardeña
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA and Harvard Medical School, Boston, MA, USA
- Cardiovascular Disease Initiative, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Jesús Torres-Vázquez
- Department of Cell Biology, NYU Grossman School of Medicine, New York, NY 10016, USA
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Jin M, Zhai X, Huang Y, Zhang M, Ma T, Zeng Z, Fu H, Yin L, Zhang Y, Du Y. Biocompatible Silica-Coated Europium-Doped CsPbBr 3 Nanoparticles with Luminescence in Water for Zebrafish Bioimaging. Small 2024:e2310238. [PMID: 38267815 DOI: 10.1002/smll.202310238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/10/2024] [Indexed: 01/26/2024]
Abstract
Cesium lead halide (CsPbX3 , X = Br, Cl, and I) nanocrystals (NCs) are widely concerned and applied in many fields due to the excellent photoelectric performance. However, the toxicity of Pb and the loss of luminescence in water limit its application in vivo. A stable perovskite nanomaterial with good bioimaging properties is developed by incorporating europium (Eu) in CsPbX3 NCs followed with the surface coating of silica (SiO2 ) shell (CsPbX3 :Eu@SiO2 ). Through the surface coating of SiO2 , the luminescence stability of CsPbBr3 in water is improved and the leakage of Pb2+ is significantly reduced. In particular, Eu doping inhibits the photoluminescence quantum yield reduction of CsPbBr3 caused by SiO2 coating, and further reduces the release of Pb2+ . CsPbBr3 :Eu@SiO2 nanoparticles (NPs) show efficient luminescence in water and good biocompatibility to achieve cell imaging. More importantly, CsPb(ClBr)3 :Eu@SiO2 NPs are obtained by adjusting the halogen components, and green light and blue light are realized in zebrafish imaging, showing good imaging effect and biosafety. The work provides a strategy for advanced perovskite nanomaterials toward biological practical application.
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Affiliation(s)
- Mengdie Jin
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Xinyun Zhai
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Yongkang Huang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
- College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Mengzhen Zhang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
- College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Tengfei Ma
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Zhichao Zeng
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Hao Fu
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
- College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Leilei Yin
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Yabin Zhang
- State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, and School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, P. R. China
| | - Yaping Du
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
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Chatterjee B, Fatima F, Seth S, Sinha Roy S. Moderate Elevation of Homocysteine Induces Endothelial Dysfunction through Adaptive UPR Activation and Metabolic Rewiring. Cells 2024; 13:214. [PMID: 38334606 PMCID: PMC10854856 DOI: 10.3390/cells13030214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/25/2023] [Indexed: 02/10/2024] Open
Abstract
Elevation of the intermediate amino acid metabolite Homocysteine (Hcy) causes Hyperhomocysteinemia (HHcy), a metabolic disorder frequently associated with mutations in the methionine-cysteine metabolic cycle as well as with nutritional deficiency and aging. The previous literature suggests that HHcy is a strong risk factor for cardiovascular diseases. Severe HHcy is well-established to correlate with vascular pathologies primarily via endothelial cell death. Though moderate HHcy is more prevalent and associated with an increased risk of cardiovascular abnormalities in later part of life, its precise role in endothelial physiology is largely unknown. In this study, we report that moderate elevation of Hcy causes endothelial dysfunction through impairment of their migration and proliferation. We established that unlike severe elevation of Hcy, moderate HHcy is not associated with suppression of endothelial VEGF/VEGFR transcripts and ROS induction. We further showed that moderate HHcy induces a sub-lethal ER stress that causes defective endothelial migration through abnormal actin cytoskeletal remodeling. We also found that sub-lethal increase in Hcy causes endothelial proliferation defect by suppressing mitochondrial respiration and concomitantly increases glycolysis to compensate the consequential ATP loss and maintain overall energy homeostasis. Finally, analyzing a previously published microarray dataset, we confirmed that these hallmarks of moderate HHcy are conserved in adult endothelial cells as well. Thus, we identified adaptive UPR and metabolic rewiring as two key mechanistic signatures in moderate HHcy-associated endothelial dysfunction. As HHcy is clinically associated with enhanced vascular inflammation and hypercoagulability, identifying these mechanistic pathways may serve as future targets to regulate endothelial function and health.
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Affiliation(s)
- Barun Chatterjee
- CSIR-Institute of Genomics & Integrative Biology, New Delhi 110025, India; (B.C.); (F.F.); (S.S.)
- Academy of Scientific & Innovative Research, Ghaziabad 201002, India
| | - Fabeha Fatima
- CSIR-Institute of Genomics & Integrative Biology, New Delhi 110025, India; (B.C.); (F.F.); (S.S.)
| | - Surabhi Seth
- CSIR-Institute of Genomics & Integrative Biology, New Delhi 110025, India; (B.C.); (F.F.); (S.S.)
- Academy of Scientific & Innovative Research, Ghaziabad 201002, India
| | - Soumya Sinha Roy
- CSIR-Institute of Genomics & Integrative Biology, New Delhi 110025, India; (B.C.); (F.F.); (S.S.)
- Academy of Scientific & Innovative Research, Ghaziabad 201002, India
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Zi H, Peng X, Cao J, Xie T, Liu T, Li H, Bu J, Du J, Li J. Piezo1-dependent regulation of pericyte proliferation by blood flow during brain vascular development. Cell Rep 2024; 43:113652. [PMID: 38175750 DOI: 10.1016/j.celrep.2023.113652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/19/2023] [Accepted: 12/19/2023] [Indexed: 01/06/2024] Open
Abstract
Blood flow is known to regulate cerebrovascular development through acting on vascular endothelial cells (ECs). As an indispensable component of the neurovascular unit, brain pericytes physically couple with ECs and play vital roles in blood-brain barrier integrity maintenance and neurovascular coupling. However, it remains unclear whether blood flow affects brain pericyte development. Using in vivo time-lapse imaging of larval zebrafish, we monitored the developmental dynamics of brain pericytes and found that they proliferate to expand their population and increase their coverage to brain vessels. In combination with pharmacological and genetic approaches, we demonstrated that blood flow enhances brain pericyte proliferation through Piezo1 expressed in ECs. Moreover, we identified that EC-intrinsic Notch signaling is downstream of Piezo1 to promote the activation of Notch signaling in pericytes. Thus, our findings reveal a role of blood flow in pericyte proliferation, extending the functional spectrum of hemodynamics on cerebrovascular development.
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Affiliation(s)
- Huaxing Zi
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China; University of Chinese Academy of Sciences, 19A Yu-Quan Road, Beijing 100049, China
| | - Xiaolan Peng
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China
| | - Jianbin Cao
- Department of Anesthesiology, Taizhou Hospital of Zhejiang Province affiliated with Wenzhou Medical University, Linhai 317000, China
| | - Tianyi Xie
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China; School of Life Science and Technology, ShanghaiTech University, 319 Yue-Yang Road, Shanghai 200031, China
| | - Tingting Liu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China; University of Chinese Academy of Sciences, 19A Yu-Quan Road, Beijing 100049, China
| | - Hongyu Li
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China; University of Chinese Academy of Sciences, 19A Yu-Quan Road, Beijing 100049, China
| | - Jiwen Bu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China
| | - Jiulin Du
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China; University of Chinese Academy of Sciences, 19A Yu-Quan Road, Beijing 100049, China; School of Life Science and Technology, ShanghaiTech University, 319 Yue-Yang Road, Shanghai 200031, China.
| | - Jia Li
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, China.
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