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Ryu JR, Ko K, Sun W. Polarization of organoids by bioengineered symmetry breaking. IBRO Neurosci Rep 2024; 17:22-31. [PMID: 38881849 PMCID: PMC11176950 DOI: 10.1016/j.ibneur.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 05/08/2024] [Indexed: 06/18/2024] Open
Abstract
Symmetry breaking leading to axis formation and spatial patterning is crucial for achieving more accurate recapitulation of human development in organoids. While these processes can occur spontaneously by self-organizing capabilities of pluripotent stem cells, they can often result in variation in structure and composition of cell types within organoids. To address this limitation, bioengineering techniques that utilize geometric, topological and stiffness factors are increasingly employed to enhance control and consistency. Here, we review how spontaneous manners and engineering tools such as micropattern, microfluidics, biomaterials, etc. can facilitate the process of symmetry breaking leading to germ layer patterning and the formation of anteroposterior and dorsoventral axes in blastoids, gastruloids, neuruloids and neural organoids. Furthermore, brain assembloids, which are composed of multiple brain regions through fusion processes are discussed. The overview of organoid polarization in terms of patterning tools can offer valuable insights for enhancing the physiological relevance of organoid system.
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Affiliation(s)
- Jae Ryun Ryu
- Department of Anatomy, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Kahee Ko
- Department of Anatomy, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Woong Sun
- Department of Anatomy, Korea University College of Medicine, Seoul 02841, Republic of Korea
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2
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Rabeling A, van der Hoven A, Andersen N, Goolam M. Neural Tube Organoids: A Novel System to Study Developmental Timing. Stem Cell Rev Rep 2024:10.1007/s12015-024-10785-5. [PMID: 39230820 DOI: 10.1007/s12015-024-10785-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2024] [Indexed: 09/05/2024]
Abstract
The neural tube (NT) is a transient structure formed during embryogenesis which develops into the brain and spinal cord. While mouse models have been commonly used in place of human embryos to study NT development, species-specific differences limit their applicability. One major difference is developmental timing, with NT formation from the neural plate in 16 days in humans compared to 4 days in mice, as well as differences in the time taken to form neuronal subtypes and complete neurogenesis. Neural tube organoids (NTOs) represent a new way to study NT development in vitro. While mouse and human NTOs have been shown to recapitulate the major developmental events of NT formation; it is unknown whether species-specific developmental timing, also termed allochrony, is also recapitulated. This review summarises current research using both mouse and human NTOs and compares developmental timing events in order to assess if allochrony is maintained in organoids.
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Affiliation(s)
- Alexa Rabeling
- Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925, South Africa
- UCT Neuroscience Institute, Cape Town, South Africa
| | - Amy van der Hoven
- Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925, South Africa
- UCT Neuroscience Institute, Cape Town, South Africa
| | - Nathalie Andersen
- Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925, South Africa
- UCT Neuroscience Institute, Cape Town, South Africa
| | - Mubeen Goolam
- Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925, South Africa.
- UCT Neuroscience Institute, Cape Town, South Africa.
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3
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Gribaudo S, Robert R, van Sambeek B, Mirdass C, Lyubimova A, Bouhali K, Ferent J, Morin X, van Oudenaarden A, Nedelec S. Self-organizing models of human trunk organogenesis recapitulate spinal cord and spine co-morphogenesis. Nat Biotechnol 2024; 42:1243-1253. [PMID: 37709912 DOI: 10.1038/s41587-023-01956-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 08/18/2023] [Indexed: 09/16/2023]
Abstract
Integrated in vitro models of human organogenesis are needed to elucidate the multi-systemic events underlying development and disease. Here we report the generation of human trunk-like structures that model the co-morphogenesis, patterning and differentiation of the human spine and spinal cord. We identified differentiation conditions for human pluripotent stem cells favoring the formation of an embryo-like extending antero-posterior (AP) axis. Single-cell and spatial transcriptomics show that somitic and spinal cord differentiation trajectories organize along this axis and can self-assemble into a neural tube surrounded by somites upon extracellular matrix addition. Morphogenesis is coupled with AP patterning mechanisms, which results, at later stages of organogenesis, in in vivo-like arrays of neural subtypes along a neural tube surrounded by spine and muscle progenitors contacted by neuronal projections. This integrated system of trunk development indicates that in vivo-like multi-tissue co-morphogenesis and topographic organization of terminal cell types can be achieved in human organoids, opening windows for the development of more complex models of organogenesis.
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Affiliation(s)
- Simona Gribaudo
- Institut du Fer à Moulin, Paris, France
- Inserm, UMR-S 1270, Paris, France
- Sorbonne Université, Science and Engineering Faculty, Paris, France
| | - Rémi Robert
- Institut du Fer à Moulin, Paris, France
- Inserm, UMR-S 1270, Paris, France
- Sorbonne Université, Science and Engineering Faculty, Paris, France
| | - Björn van Sambeek
- Oncode Institute, Utrecht, The Netherlands
- Hubrecht Institute-KNAW (Royal Netherlands Academy of Arts and Sciences) and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Camil Mirdass
- Université Paris Cité, CNRS, Institut Jacques Monod, Paris, France
| | - Anna Lyubimova
- Oncode Institute, Utrecht, The Netherlands
- Hubrecht Institute-KNAW (Royal Netherlands Academy of Arts and Sciences) and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Kamal Bouhali
- Institut de Biologie de l'ENS (IBENS), Ecole Normale Supérieure, CNRS, INSERM, Université PSL, Paris, France
| | - Julien Ferent
- Institut du Fer à Moulin, Paris, France
- Inserm, UMR-S 1270, Paris, France
- Sorbonne Université, Science and Engineering Faculty, Paris, France
| | - Xavier Morin
- Institut de Biologie de l'ENS (IBENS), Ecole Normale Supérieure, CNRS, INSERM, Université PSL, Paris, France
| | - Alexander van Oudenaarden
- Oncode Institute, Utrecht, The Netherlands
- Hubrecht Institute-KNAW (Royal Netherlands Academy of Arts and Sciences) and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Stéphane Nedelec
- Institut du Fer à Moulin, Paris, France.
- Inserm, UMR-S 1270, Paris, France.
- Sorbonne Université, Science and Engineering Faculty, Paris, France.
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4
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Zhou G, Pang S, Li Y, Gao J. Progress in the generation of spinal cord organoids over the past decade and future perspectives. Neural Regen Res 2024; 19:1013-1019. [PMID: 37862203 PMCID: PMC10749595 DOI: 10.4103/1673-5374.385280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/25/2023] [Accepted: 08/01/2023] [Indexed: 10/22/2023] Open
Abstract
Spinal cord organoids are three-dimensional tissues derived from stem cells that recapitulate the primary morphological and functional characteristics of the spinal cord in vivo. As emerging bioengineering methods have led to the optimization of cell culture protocols, spinal cord organoids technology has made remarkable advancements in the past decade. Our literature search found that current spinal cord organoids do not only dynamically simulate neural tube formation but also exhibit diverse cytoarchitecture along the dorsal-ventral and rostral-caudal axes. Moreover, fused organoids that integrate motor neurons and other regionally specific organoids exhibit intricate neural circuits that allows for functional assessment. These qualities make spinal cord organoids valuable tools for disease modeling, drug screening, and tissue regeneration. By utilizing this emergent technology, researchers have made significant progress in investigating the pathogenesis and potential therapeutic targets of spinal cord diseases. However, at present, spinal cord organoid technology remains in its infancy and has not been widely applied in translational medicine. Establishment of the next generation of spinal cord organoids will depend on good manufacturing practice standards and needs to focus on diverse cell phenotypes and electrophysiological functionality evaluation.
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Affiliation(s)
- Gang Zhou
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Siyuan Pang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yongning Li
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Department of International Medical Service, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jun Gao
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Tang C, Wang X, Gentleman E, Kurniawan NA. Production of Neuroepithelial Organoids from Human-Induced Pluripotent Stem Cells for Mimicking Early Neural Tube Development. Methods Mol Biol 2024. [PMID: 38647865 DOI: 10.1007/7651_2024_546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Organoids have emerged as robust tools for unravelling the mechanisms that underly tissue development. They also serve as important in vitro systems for studying fundamentals of stem cell behavior and for building advanced disease models. During early development, a crucial step in the formation of the central nervous system is patterning of the neural tube dorsal-ventral (DV) axis. Here we describe a simple and rapid culture protocol to produce human neuroepithelial (NE) cysts and DV-patterned organoids from single human-induced pluripotent stem cells (hiPSCs). Rather than being embedded within a matrix, hiPSCs undergo a 5-day differentiation process in medium containing soluble extracellular matrix and are allowed to self-organize into 3D cysts with defined central lumen structures that express early neuroepithelial markers. Moreover, upon stimulation with sonic hedgehog proteins and all-trans retinoic acid, NE cysts further develop into NE organoids with DV patterning. This rapid generation of patterned NE organoids using simple culture conditions enables mimicking, monitoring, and longitudinal manipulation of NE cell behavior. This straightforward culture system makes NE organoids a tractable model for studying neural stem cell self-organization and early neural tube developmental events.
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Affiliation(s)
- Chunling Tang
- Department of Biomedical Engineering & Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands.
- Centre for Craniofacial and Regenerative Biology, King's College London, London, UK.
| | - Xinghui Wang
- Department of Biomedical Engineering & Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Eileen Gentleman
- Centre for Craniofacial and Regenerative Biology, King's College London, London, UK
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Nicholas A Kurniawan
- Department of Biomedical Engineering & Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands.
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Mirdass C, Catala M, Bocel M, Nedelec S, Ribes V. Stem cell-derived models of spinal neurulation. Emerg Top Life Sci 2023; 7:423-437. [PMID: 38087891 DOI: 10.1042/etls20230087] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/19/2023]
Abstract
Neurulation is a critical step in early embryonic development, giving rise to the neural tube, the primordium of the central nervous system in amniotes. Understanding this complex, multi-scale, multi-tissue morphogenetic process is essential to provide insights into normal development and the etiology of neural tube defects. Innovations in tissue engineering have fostered the generation of pluripotent stem cell-based in vitro models, including organoids, that are emerging as unique tools for delving into neurulation mechanisms, especially in the context of human development. Each model captures specific aspects of neural tube morphogenesis, from epithelialization to neural tissue elongation, folding and cavitation. In particular, the recent models of human and mouse trunk morphogenesis, such as gastruloids, that form a spinal neural plate-like or neural tube-like structure are opening new avenues to study normal and pathological neurulation. Here, we review the morphogenetic events generating the neural tube in the mammalian embryo and questions that remain unanswered. We discuss the advantages and limitations of existing in vitro models of neurulation and possible future technical developments.
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Affiliation(s)
- Camil Mirdass
- Université Paris Cité, CNRS, Institut Jacques Monod, F-75013 Paris, France
- Institut du Fer à Moulin, 75005 Paris, France
- Inserm, UMR-S 1270, 75005 Paris, France
- Sorbonne Université, Science and Engineering Faculty, 75005 Paris, France
| | - Martin Catala
- Institut de Biologie Paris Seine (IBPS) - Developmental Biology Laboratory, UMR7622 CNRS, INSERM ERL 1156, Sorbonne Université, 9 Quai Saint-Bernard, 75005 Paris, France
| | - Mikaëlle Bocel
- Université Paris Cité, CNRS, Institut Jacques Monod, F-75013 Paris, France
| | - Stéphane Nedelec
- Institut du Fer à Moulin, 75005 Paris, France
- Inserm, UMR-S 1270, 75005 Paris, France
- Sorbonne Université, Science and Engineering Faculty, 75005 Paris, France
| | - Vanessa Ribes
- Université Paris Cité, CNRS, Institut Jacques Monod, F-75013 Paris, France
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Avni L, Farag N, Ghosh B, Nachman I. Gastruloid optimization. Emerg Top Life Sci 2023; 7:409-415. [PMID: 37815089 PMCID: PMC10754328 DOI: 10.1042/etls20230096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/30/2023] [Accepted: 10/03/2023] [Indexed: 10/11/2023]
Abstract
The young field of gastruloids brings promise to modeling and understanding early embryonic development. However, being a complex model, gastruloids are prone to variability at different levels. In this perspective, we define the different levels of gastruloid variability, and parameters over which it can be measured. We discuss potential sources for variability, and then propose methods to better control and reduce it. We provide an example from definitive endoderm progression in gastruloids, where we harness gastruloid-to-gastruloid variation in early parameters to identify key driving factors for endoderm morphology. We then devise interventions that steer morphological outcome. A better control over the developmental progression of gastruloids will enhance their utility in both basic research and biomedical applications.
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Affiliation(s)
- Lara Avni
- School of Neurobiology, Biochemistry and Biophysics, Tel Aviv University, Tel Aviv, Israel
| | - Naama Farag
- School of Neurobiology, Biochemistry and Biophysics, Tel Aviv University, Tel Aviv, Israel
| | - Binita Ghosh
- School of Neurobiology, Biochemistry and Biophysics, Tel Aviv University, Tel Aviv, Israel
| | - Iftach Nachman
- School of Neurobiology, Biochemistry and Biophysics, Tel Aviv University, Tel Aviv, Israel
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8
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Li Z, Qi Y, Li Z, Chen S, Geng H, Han J, Wang J, Wang Z, Lei S, Huang B, Li G, Li X, Wu S, Ni S. Nervous tract-bioinspired multi-nanoyarn model system regulating neural differentiation and its transcriptional architecture at single-cell resolution. Biomaterials 2023; 298:122146. [PMID: 37149989 DOI: 10.1016/j.biomaterials.2023.122146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 04/20/2023] [Accepted: 05/04/2023] [Indexed: 05/09/2023]
Abstract
Bioinspired by native nervous tracts, a spinal cord-mimicking model system that was composed of multiple nanofibrous yarns (NYs) ensheathed in a nanofibrous tube was constructed by an innovative electrospinning-based fabrication and integration strategy. The infilling NYs exhibited uniaxially aligned nanofibrous architecture that had a great resemblance to spatially-arranged native nervous tracts, while the outer nanofibrous tubes functioned as an artificial dura matter to provide a stable intraluminal microenvironment. The three-dimensional (3D) NYs were demonstrated to induce alignment, facilitate migration, promote neuronal differentiation, and even phenotypic maturation of seeded neural stem and progenitor cells (NSPCs), while inhibiting gliogenesis. Single-cell transcriptome analysis showed that the NSPC-loaded 3D NY model shared many similarities with native spinal cords, with a great increase in excitatory/inhibitory (EI) neuron ratio. Curcumin, as a model drug, was encapsulated into nanofibers of NYs to exert an antioxidant effect and enhanced axon regeneration. Overall, this study provides a new paradigm for the development of a next-generation in vitro neuronal model system via anatomically accurate nervous tract simulation and constructs a blueprint for the research on NSPC diversification in the biomimetic microenvironment.
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Affiliation(s)
- Zhiwei Li
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Ye Qi
- College of Textiles & Clothing, Qingdao University, Qingdao, 266071, China
| | - Zheng Li
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Shaojuan Chen
- College of Textiles & Clothing, Qingdao University, Qingdao, 266071, China
| | - Huimin Geng
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Jinming Han
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Jiahao Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Zhaoqing Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Sun Lei
- Department of Endocrinology, Qilu Hospital of Shandong University and Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong, 250012, China
| | - Bin Huang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Gang Li
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Xingang Li
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China
| | - Shaohua Wu
- College of Textiles & Clothing, Qingdao University, Qingdao, 266071, China.
| | - Shilei Ni
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China.
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