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Sunadome K, Erickson AG, Kah D, Fabry B, Adori C, Kameneva P, Faure L, Kanatani S, Kaucka M, Dehnisch Ellström I, Tesarova M, Zikmund T, Kaiser J, Edwards S, Maki K, Adachi T, Yamamoto T, Fried K, Adameyko I. Directionality of developing skeletal muscles is set by mechanical forces. Nat Commun 2023; 14:3060. [PMID: 37244931 PMCID: PMC10224984 DOI: 10.1038/s41467-023-38647-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 05/05/2023] [Indexed: 05/29/2023] Open
Abstract
Formation of oriented myofibrils is a key event in musculoskeletal development. However, the mechanisms that drive myocyte orientation and fusion to control muscle directionality in adults remain enigmatic. Here, we demonstrate that the developing skeleton instructs the directional outgrowth of skeletal muscle and other soft tissues during limb and facial morphogenesis in zebrafish and mouse. Time-lapse live imaging reveals that during early craniofacial development, myoblasts condense into round clusters corresponding to future muscle groups. These clusters undergo oriented stretch and alignment during embryonic growth. Genetic perturbation of cartilage patterning or size disrupts the directionality and number of myofibrils in vivo. Laser ablation of musculoskeletal attachment points reveals tension imposed by cartilage expansion on the forming myofibers. Application of continuous tension using artificial attachment points, or stretchable membrane substrates, is sufficient to drive polarization of myocyte populations in vitro. Overall, this work outlines a biomechanical guidance mechanism that is potentially useful for engineering functional skeletal muscle.
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Affiliation(s)
- Kazunori Sunadome
- Department of Physiology and Pharmacology, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Alek G Erickson
- Department of Physiology and Pharmacology, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Delf Kah
- Department of Physics, University of Erlangen-Nuremberg, 91052, Erlangen, Germany
| | - Ben Fabry
- Department of Physics, University of Erlangen-Nuremberg, 91052, Erlangen, Germany
| | - Csaba Adori
- Department of Neuroscience, Karolinska Institutet, 17177, Stockholm, Sweden
- Department of Molecular Biosciences, Wenner Gren Institute, Stockholm University, 10691, Stockholm, Sweden
| | - Polina Kameneva
- Department of Neuroimmunology, Center for Brain Research, Medical University Vienna, 1090, Vienna, Austria
| | - Louis Faure
- Department of Neuroimmunology, Center for Brain Research, Medical University Vienna, 1090, Vienna, Austria
| | - Shigeaki Kanatani
- Department of Medical Biochemistry and Biophysics, Division of Molecular Neurobiology, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Marketa Kaucka
- Max Planck Institute for Evolutionary Biology, August-Thienemann-Str.2, 24306, Plön, Germany
| | | | - Marketa Tesarova
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Tomas Zikmund
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Jozef Kaiser
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Steven Edwards
- KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - Koichiro Maki
- Laboratory of Biomechanics, Institute for Life and Medical Sciences, Kyoto University, Kyoto, 606-8507, Japan
| | - Taiji Adachi
- Laboratory of Biomechanics, Institute for Life and Medical Sciences, Kyoto University, Kyoto, 606-8507, Japan
| | - Takuya Yamamoto
- Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, 606-8501, Japan
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan
| | - Kaj Fried
- Department of Neuroscience, Karolinska Institutet, 17177, Stockholm, Sweden.
| | - Igor Adameyko
- Department of Physiology and Pharmacology, Karolinska Institutet, 17177, Stockholm, Sweden.
- Department of Neuroimmunology, Center for Brain Research, Medical University Vienna, 1090, Vienna, Austria.
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A Novel Laser-Based Zebrafish Model for Studying Traumatic Brain Injury and Its Molecular Targets. Pharmaceutics 2022; 14:pharmaceutics14081751. [PMID: 36015377 PMCID: PMC9416346 DOI: 10.3390/pharmaceutics14081751] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/17/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Traumatic brain injury (TBI) is a major public health problem. Here, we developed a novel model of non-invasive TBI induced by laser irradiation in the telencephalon of adult zebrafish (Danio rerio) and assessed their behavior and neuromorphology to validate the model and evaluate potential targets for neuroreparative treatment. Overall, TBI induced hypolocomotion and anxiety-like behavior in the novel tank test, strikingly recapitulating responses in mammalian TBI models, hence supporting the face validity of our model. NeuN-positive cell staining was markedly reduced one day, but not seven days, after TBI, suggesting increased neuronal damage immediately after the injury, and its fast recovery. The brain-derived neurotrophic factor (Bdnf) level in the brain dropped immediately after the trauma, but fully recovered seven days later. A marker of microglial activation, Iba1, was elevated in the TBI brain, albeit decreasing from Day 3. The levels of hypoxia-inducible factor 1-alpha (Hif1a) increased 30 min after the injury, and recovered by Day 7, further supporting the construct validity of the model. Collectively, these findings suggest that our model of laser-induced brain injury in zebrafish reproduces mild TBI and can be a useful tool for TBI research and preclinical neuroprotective drug screening.
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Geurtzen K, López-Delgado AC, Duseja A, Kurzyukova A, Knopf F. Laser-mediated osteoblast ablation triggers a pro-osteogenic inflammatory response regulated by reactive oxygen species and glucocorticoid signaling in zebrafish. Development 2022; 149:275194. [DOI: 10.1242/dev.199803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 02/22/2022] [Indexed: 12/31/2022]
Abstract
ABSTRACT
In zebrafish, transgenic labeling approaches, robust regenerative responses and excellent in vivo imaging conditions enable precise characterization of immune cell behavior in response to injury. Here, we monitored osteoblast-immune cell interactions in bone, a tissue which is particularly difficult to in vivo image in tetrapod species. Ablation of individual osteoblasts leads to recruitment of neutrophils and macrophages in varying numbers, depending on the extent of the initial insult, and initiates generation of cathepsin K+ osteoclasts from macrophages. Osteoblast ablation triggers the production of pro-inflammatory cytokines and reactive oxygen species, which are needed for successful macrophage recruitment. Excess glucocorticoid signaling as it occurs during the stress response inhibits macrophage recruitment, maximum speed and changes the macrophage phenotype. Although osteoblast loss is compensated for within a day by contribution of committed osteoblasts, macrophages continue to populate the region. Their presence is required for osteoblasts to fill the lesion site. Our model enables visualization of bone repair after microlesions at single-cell resolution and demonstrates a pro-osteogenic function of tissue-resident macrophages in non-mammalian vertebrates.
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Affiliation(s)
- Karina Geurtzen
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), TU Dresden, 01307 Dresden, Germany
- Center for Healthy Aging, Medical Faculty Carl Gustav Carus, TU Dresden, 01307 Dresden, Germany
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, 3000 Leuven, Belgium
| | - Alejandra Cristina López-Delgado
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), TU Dresden, 01307 Dresden, Germany
- Center for Healthy Aging, Medical Faculty Carl Gustav Carus, TU Dresden, 01307 Dresden, Germany
| | - Ankita Duseja
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), TU Dresden, 01307 Dresden, Germany
- Center for Healthy Aging, Medical Faculty Carl Gustav Carus, TU Dresden, 01307 Dresden, Germany
- Department of Oncology and Metabolism, Metabolic Bone Centre, Sorby Wing, Northern General Hospital, Sheffield S5 7AU, UK
| | - Anastasia Kurzyukova
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), TU Dresden, 01307 Dresden, Germany
- Center for Healthy Aging, Medical Faculty Carl Gustav Carus, TU Dresden, 01307 Dresden, Germany
- Faculty of Health and Medical Sciences, Biotech Research & Innovation Centre (BRIC), University of Copenhagen, 2200 Copenhagen, Denmark
| | - Franziska Knopf
- Center for Regenerative Therapies TU Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), TU Dresden, 01307 Dresden, Germany
- Center for Healthy Aging, Medical Faculty Carl Gustav Carus, TU Dresden, 01307 Dresden, Germany
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El-Daher F, Becker CG. Neural circuit reorganisation after spinal cord injury in zebrafish. Curr Opin Genet Dev 2020; 64:44-51. [PMID: 32604009 DOI: 10.1016/j.gde.2020.05.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/12/2020] [Accepted: 05/20/2020] [Indexed: 01/11/2023]
Abstract
Spinal cord injuries disrupt signalling from the brain leading to loss of limb, locomotion, sexual and bladder function, usually irreversible in humans. In zebrafish, recovery of function occurs in a few days for larvae or a few weeks for adults due to regrowth of axons and de novo neurogenesis. Together with its genetic amenability and optical clarity, this makes zebrafish a powerful animal model to study circuit reorganisation after spinal cord injuries. With the fast evolution of techniques, we can forecast significative improvements of our knowledge of the mechanisms leading to successful or failed recovery of spinal cord function. We review here the present knowledge on the subject, the new technological approaches and we propose future directions of research.
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Affiliation(s)
- François El-Daher
- Centre for Discovery Brain Sciences, Edinburgh Medical School, Biomedical Sciences, University of Edinburgh EH16 4SB, United Kingdom
| | - Catherina G Becker
- Centre for Discovery Brain Sciences, Edinburgh Medical School, Biomedical Sciences, University of Edinburgh EH16 4SB, United Kingdom.
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