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Liu Y, Kim YS, Xue X, Miao Y, Kobayashi N, Sun S, Yan RZ, Yang Q, Pourquié O, Fu J. A human pluripotent stem cell-based somitogenesis model using microfluidics. Cell Stem Cell 2024; 31:1113-1126.e6. [PMID: 38981471 DOI: 10.1016/j.stem.2024.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 03/04/2024] [Accepted: 06/04/2024] [Indexed: 07/11/2024]
Abstract
Emerging human pluripotent stem cell (hPSC)-based embryo models are useful for studying human embryogenesis. Particularly, there are hPSC-based somitogenesis models using free-floating culture that recapitulate somite formation. Somitogenesis in vivo involves intricately orchestrated biochemical and biomechanical events. However, none of the current somitogenesis models controls biochemical gradients or biomechanical signals in the culture, limiting their applicability to untangle complex biochemical-biomechanical interactions that drive somitogenesis. Herein, we develop a human somitogenesis model by confining hPSC-derived presomitic mesoderm (PSM) tissues in microfabricated trenches. Exogenous microfluidic morphogen gradients imposed on the PSM tissues cause axial patterning and trigger spontaneous rostral-to-caudal somite formation. A mechanical theory is developed to explain the size dependency between somites and the PSM. The microfluidic somitogenesis model is further exploited to reveal regulatory roles of cellular and tissue biomechanics in somite formation. This study presents a useful microengineered, hPSC-based model for understanding the biochemical and biomechanical events that guide somite formation.
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Affiliation(s)
- Yue Liu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Yung Su Kim
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Xufeng Xue
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yuchuan Miao
- Department of Genetics, Harvard Medical School, Boston, MA 02115, USA; Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Norio Kobayashi
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Shiyu Sun
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Robin Zhexuan Yan
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Qiong Yang
- Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA; Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, MA 02115, USA; Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | - Jianping Fu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Cell & Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
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2
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Wengryn P, Fenrich F, Silveira KDC, Oborn C, Mizumoto S, Beke A, Soltys CL, Yamada S, Kannu P. Integrative analysis of Lunatic Fringe variants associated with spondylocostal dysostosis type-III. FASEB J 2024; 38:e23753. [PMID: 38924591 DOI: 10.1096/fj.202302651rr] [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: 12/30/2023] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024]
Abstract
Lunatic Fringe (LFNG) is required for spinal development. Biallelic pathogenic variants cause spondylocostal dysostosis type-III (SCD3), a rare disease generally characterized by malformed, asymmetrical, and attenuated development of the vertebral column and ribs. However, a variety of SCD3 cases reported have presented with additional features such as auditory alterations and digit abnormalities. There has yet to be a single, comprehensive, functional evaluation of causative LFNG variants and such analyses could unveil molecular mechanisms for phenotypic variability in SCD3. Therefore, nine LFNG missense variants associated with SCD3, c.564C>A, c.583T>C, c.842C>A, c.467T>G, c.856C>T, c.601G>A, c.446C>T, c.521G>A, and c.766G>A, were assessed in vitro for subcellular localization and protein processing. Glycosyltransferase activity was quantified for the first time in the c.583T>C, c.842C>A, and c.446C>T variants. Primarily, our results are the first to satisfy American College of Medical Genetics and Genomics PS3 criteria (functional evidence via well-established assay) for the pathogenicity of c.583T>C, c.842C>A, and c.446C>T, and replicate this evidence for the remaining six variants. Secondly, this work indicates that all variants that prevent Golgi localization also lead to impaired protein processing. It appears that the FRINGE domain is responsible for this phenomenon. Thirdly, our data suggests that variant proximity to the catalytic residue may influence whether LFNG is improperly trafficked and/or enzymatically dysfunctional. Finally, the phenotype of the axial skeleton, but not elsewhere, may be modulated in a variant-specific fashion. More reports are needed to continue testing this hypothesis. We anticipate our data will be used as a basis for discussion of genotype-phenotype correlations in SCD3.
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Affiliation(s)
- Parker Wengryn
- Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Felicity Fenrich
- Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
- Department of Molecular and Cellular Biology, University of Guelf, Guelf, Ontario, Canada
| | | | - Connor Oborn
- Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
| | - Shuji Mizumoto
- Department of Pathobiochemistry, Meijo University, Nagoya, Aichi, Japan
| | - Alexander Beke
- Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Carrie-Lynn Soltys
- Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
| | - Shuhei Yamada
- Department of Pathobiochemistry, Meijo University, Nagoya, Aichi, Japan
| | - Peter Kannu
- Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
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3
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Miao Y, Pourquié O. Cellular and molecular control of vertebrate somitogenesis. Nat Rev Mol Cell Biol 2024; 25:517-533. [PMID: 38418851 DOI: 10.1038/s41580-024-00709-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2024] [Indexed: 03/02/2024]
Abstract
Segmentation is a fundamental feature of the vertebrate body plan. This metameric organization is first implemented by somitogenesis in the early embryo, when paired epithelial blocks called somites are rhythmically formed to flank the neural tube. Recent advances in in vitro models have offered new opportunities to elucidate the mechanisms that underlie somitogenesis. Notably, models derived from human pluripotent stem cells introduced an efficient proxy for studying this process during human development. In this Review, we summarize the current understanding of somitogenesis gained from both in vivo studies and in vitro studies. We deconstruct the spatiotemporal dynamics of somitogenesis into four distinct modules: dynamic events in the presomitic mesoderm, segmental determination, somite anteroposterior polarity patterning, and epithelial morphogenesis. We first focus on the segmentation clock, as well as signalling and metabolic gradients along the tissue, before discussing the clock and wavefront and other models that account for segmental determination. We then detail the molecular and cellular mechanisms of anteroposterior polarity patterning and somite epithelialization.
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Affiliation(s)
- Yuchuan Miao
- Department of Genetics, Harvard Medical School, Boston, MA, USA.
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, MA, USA.
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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4
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Wu J, Fu J. Toward developing human organs via embryo models and chimeras. Cell 2024; 187:3194-3219. [PMID: 38906095 PMCID: PMC11239105 DOI: 10.1016/j.cell.2024.05.027] [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: 05/30/2023] [Revised: 02/02/2024] [Accepted: 05/14/2024] [Indexed: 06/23/2024]
Abstract
Developing functional organs from stem cells remains a challenging goal in regenerative medicine. Existing methodologies, such as tissue engineering, bioprinting, and organoids, only offer partial solutions. This perspective focuses on two promising approaches emerging for engineering human organs from stem cells: stem cell-based embryo models and interspecies organogenesis. Both approaches exploit the premise of guiding stem cells to mimic natural development. We begin by summarizing what is known about early human development as a blueprint for recapitulating organogenesis in both embryo models and interspecies chimeras. The latest advances in both fields are discussed before highlighting the technological and knowledge gaps to be addressed before the goal of developing human organs could be achieved using the two approaches. We conclude by discussing challenges facing embryo modeling and interspecies organogenesis and outlining future prospects for advancing both fields toward the generation of human tissues and organs for basic research and translational applications.
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Affiliation(s)
- Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | - Jianping Fu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Cell & Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
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5
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Diaz-Cuadros M. Mitochondrial metabolism and the continuing search for ultimate regulators of developmental rate. Curr Opin Genet Dev 2024; 86:102178. [PMID: 38461774 DOI: 10.1016/j.gde.2024.102178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/13/2024] [Accepted: 02/19/2024] [Indexed: 03/12/2024]
Abstract
The rate of embryonic development is a species-specific trait that depends on the properties of the intracellular environment, namely, the rate at which gene products flow through the central dogma of molecular biology. Although any given step in the production and degradation of gene products could theoretically be co-opted by evolution to modulate developmental speed, species are observed to accelerate or slow down all steps simultaneously. This suggests the rate of these molecular processes is jointly regulated by an upstream, ultimate factor. Mitochondrial metabolism was recently proposed to act as an ultimate regulator by controlling the pace of protein synthesis upstream of developmental tempo. Alternative candidates for ultimate regulators include species-specific gene expression levels of factors involved in the central dogma, as well as species-specific cell size. Overall, much work remains to be done before we can confidently identify the ultimate causes of species-specific developmental rates.
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Affiliation(s)
- Margarete Diaz-Cuadros
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA; Department of Genetics, Harvard Medical School, Boston, MA, USA.
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6
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Chandel AS, Keseroglu K, Özbudak EM. Oscillatory control of embryonic development. Development 2024; 151:dev202191. [PMID: 38727565 PMCID: PMC11128281 DOI: 10.1242/dev.202191] [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] [Indexed: 05/28/2024]
Abstract
Proper embryonic development depends on the timely progression of a genetic program. One of the key mechanisms for achieving precise control of developmental timing is to use gene expression oscillations. In this Review, we examine how gene expression oscillations encode temporal information during vertebrate embryonic development by discussing the gene expression oscillations occurring during somitogenesis, neurogenesis, myogenesis and pancreas development. These oscillations play important but varied physiological functions in different contexts. Oscillations control the period of somite formation during somitogenesis, whereas they regulate the proliferation-to-differentiation switch of stem cells and progenitor cells during neurogenesis, myogenesis and pancreas development. We describe the similarities and differences of the expression pattern in space (i.e. whether oscillations are synchronous or asynchronous across neighboring cells) and in time (i.e. different time scales) of mammalian Hes/zebrafish Her genes and their targets in different tissues. We further summarize experimental evidence for the functional role of their oscillations. Finally, we discuss the outstanding questions for future research.
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Affiliation(s)
- Angad Singh Chandel
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Systems Biology and Physiology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Kemal Keseroglu
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Ertuğrul M. Özbudak
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
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7
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Cerneckis J, Cai H, Shi Y. Induced pluripotent stem cells (iPSCs): molecular mechanisms of induction and applications. Signal Transduct Target Ther 2024; 9:112. [PMID: 38670977 PMCID: PMC11053163 DOI: 10.1038/s41392-024-01809-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 03/09/2024] [Accepted: 03/17/2024] [Indexed: 04/28/2024] Open
Abstract
The induced pluripotent stem cell (iPSC) technology has transformed in vitro research and holds great promise to advance regenerative medicine. iPSCs have the capacity for an almost unlimited expansion, are amenable to genetic engineering, and can be differentiated into most somatic cell types. iPSCs have been widely applied to model human development and diseases, perform drug screening, and develop cell therapies. In this review, we outline key developments in the iPSC field and highlight the immense versatility of the iPSC technology for in vitro modeling and therapeutic applications. We begin by discussing the pivotal discoveries that revealed the potential of a somatic cell nucleus for reprogramming and led to successful generation of iPSCs. We consider the molecular mechanisms and dynamics of somatic cell reprogramming as well as the numerous methods available to induce pluripotency. Subsequently, we discuss various iPSC-based cellular models, from mono-cultures of a single cell type to complex three-dimensional organoids, and how these models can be applied to elucidate the mechanisms of human development and diseases. We use examples of neurological disorders, coronavirus disease 2019 (COVID-19), and cancer to highlight the diversity of disease-specific phenotypes that can be modeled using iPSC-derived cells. We also consider how iPSC-derived cellular models can be used in high-throughput drug screening and drug toxicity studies. Finally, we discuss the process of developing autologous and allogeneic iPSC-based cell therapies and their potential to alleviate human diseases.
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Affiliation(s)
- Jonas Cerneckis
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Hongxia Cai
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Yanhong Shi
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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8
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Sanaki-Matsumiya M, Villava C, Rappez L, Haase K, Wu J, Ebisuya M. Self-organization of vascularized skeletal muscle from bovine embryonic stem cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.22.586252. [PMID: 38585777 PMCID: PMC10996461 DOI: 10.1101/2024.03.22.586252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Cultured beef holds promising potential as an alternative to traditional meat options. While adult stem cells are commonly used as the cell source for cultured beef, their proliferation and differentiation capacities are limited. To produce cultured beef steaks, current manufacturing plans often require the separate preparation of multiple cell types and intricate engineering for assembling them into structured tissues. In this study, we propose and report the co-induction of skeletal muscle, neuronal, and endothelial cells from bovine embryonic stem cells (ESCs) and the self-organization of tissue structures in 2- and 3-dimensional cultures. Bovine myocytes were induced in a stepwise manner through the induction of presomitic mesoderm (PSM) from bovine ESCs. Muscle fibers with sarcomeres appeared within 15 days, displaying calcium oscillations responsive to inputs from co-induced bovine spinal neurons. Bovine endothelial cells were also co-induced via PSM, forming uniform vessel networks inside tissues. Our serum-free, rapid co-induction protocols represent a milestone toward self-organizing beef steaks with integrated vasculature and innervation.
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Affiliation(s)
- Marina Sanaki-Matsumiya
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Casandra Villava
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Luca Rappez
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Kristina Haase
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Miki Ebisuya
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
- Cluster of Excellence Physics of Life, TU Dresden, Dresden, Germany
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9
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Ortiz-Salazar MA, Camacho-Aguilar E, Warmflash A. Endogenous Nodal switches Wnt interpretation from posteriorization to germ layer differentiation in geometrically constrained human pluripotent cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.13.584912. [PMID: 38559061 PMCID: PMC10979992 DOI: 10.1101/2024.03.13.584912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The Wnt pathway is essential for inducing the primitive streak, the precursor of the mesendoderm, as well as setting anterior-posterior coordinates. How Wnt coordinates these diverse activities remains incompletely understood. Here, we show that in Wnt-treated human pluripotent cells, endogenous Nodal signaling is a crucial switch between posteriorizing and primitive streak-including activities. While treatment with Wnt posteriorizes cells in standard culture, in micropatterned colonies, higher levels of endogenously induced Nodal signaling combine with exogenous Wnt to drive endoderm differentiation. Inhibition of Nodal signaling restores dose-dependent posteriorization by Wnt. In the absence of Nodal inhibition, micropatterned colonies undergo spontaneous, elaborate morphogenesis concomitant with endoderm differentiation even in the absence of added extracellular matrix proteins like Matrigel. Our study shows how Wnt and Nodal combinatorially coordinate germ layer differentiation with AP patterning and establishes a system to study a natural self-organizing morphogenetic event in in vitro culture.
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Affiliation(s)
| | - Elena Camacho-Aguilar
- Department of Biosciences, Rice University, Houston, TX, USA 77005
- Present address: Department of Gene Regulation and Morphogenesis, Andalusian Center for Developmental Biology (CSIC-UPO-JA), Seville, Spain, 41013
| | - Aryeh Warmflash
- Department of Biosciences, Rice University, Houston, TX, USA 77005
- Department of Bioengineering, Rice University, Houston, TX, USA 77005
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10
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Ru Y, Ma M, Zhou X, Kriti D, Cohen N, D’Souza S, Schaniel C, Motch Perrine SM, Kuo S, Pinto D, Housman G, Wu M, Holmes G, Schadt E, van Bakel H, Zhang B, Jabs EW. Transcriptomic landscape of human induced pluripotent stem cell-derived osteogenic differentiation identifies a regulatory role of KLF16. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.11.579844. [PMID: 38405902 PMCID: PMC10888757 DOI: 10.1101/2024.02.11.579844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Osteogenic differentiation is essential for bone development and metabolism, but the underlying gene regulatory networks have not been well investigated. We differentiated mesenchymal stem cells, derived from 20 human induced pluripotent stem cell lines, into preosteoblasts and osteoblasts, and performed systematic RNA-seq analyses of 60 samples for differential gene expression. We noted a highly significant correlation in expression patterns and genomic proximity among transcription factor (TF) and long noncoding RNA (lncRNA) genes. We identified TF-TF regulatory networks, regulatory roles of lncRNAs on their neighboring coding genes for TFs and splicing factors, and differential splicing of TF, lncRNA, and splicing factor genes. TF-TF regulatory and gene co-expression network analyses suggested an inhibitory role of TF KLF16 in osteogenic differentiation. We demonstrate that in vitro overexpression of human KLF16 inhibits osteogenic differentiation and mineralization, and in vivo Klf16+/- mice exhibit increased bone mineral density, trabecular number, and cortical bone area. Thus, our model system highlights the regulatory complexity of osteogenic differentiation and identifies novel osteogenic genes.
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Affiliation(s)
- Ying Ru
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Meng Ma
- Mount Sinai Genomics, Sema4, Stamford, CT, 06902, USA
| | - Xianxiao Zhou
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Divya Kriti
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ninette Cohen
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Present address: Division of Cytogenetics and Molecular Pathology, Zucker School of Medicine at Hofstra/Northwell, Northwell Health Laboratories, Lake Success, NY, 11030, USA
| | - Sunita D’Souza
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Present address: St Jude Children’s Research Hospital, Memphis, TN, 38105, USA
| | - Christoph Schaniel
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Medicine, Division of Hematology and Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Mount Sinai Institute for Systems Biomedicine, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Susan M. Motch Perrine
- Department of Anthropology, Pennsylvania State University, University Park, PA, 16802, USA
| | - Sharon Kuo
- Department of Anthropology, Pennsylvania State University, University Park, PA, 16802, USA
- Department of Biomedical Sciences, University of Minnesota, Duluth, MN, 55812, USA
| | - Dalila Pinto
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Genevieve Housman
- Section of Genetic Medicine, Department of Medicine, University of Chicago, Chicago, IL, 60637, USA
- Department of Primate Behavior and Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, 04103, Germany
| | - Meng Wu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, 55905
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905
| | - Greg Holmes
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Eric Schadt
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Harm van Bakel
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Bin Zhang
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ethylin Wang Jabs
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, 55905
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905
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11
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Yagita K. Emergence of the circadian clock oscillation during the developmental process in mammals. Curr Opin Genet Dev 2024; 84:102152. [PMID: 38266394 DOI: 10.1016/j.gde.2024.102152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/23/2023] [Accepted: 01/02/2024] [Indexed: 01/26/2024]
Abstract
The circadian clocks are cell-autonomous intrinsic oscillators existing throughout the body to coordinate intracellular and intercellular functions of each organ or tissue. The circadian clock oscillation gradually emerges during mid-to-late gestation in the mammalian developmental process. Recently, it has been revealed that the in vitro differentiation of mouse ES cells recapitulates the circadian clock development. Moreover, reprogramming of the cells results in the redisappearance of the clock, indicating that circadian clocks are tightly coupled with cellular differentiation. Interestingly, before the circadian clock develops, the embryo is governed under ultradian rhythms driven by the segmentation clock. This short review explores these observations, discussing the significance of the emergence of circadian clock oscillation during the mammalian developmental process.
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Affiliation(s)
- Kazuhiro Yagita
- Department of Physiology and Systems Bioscience, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
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12
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Lázaro J, Sochacki J, Ebisuya M. The stem cell zoo for comparative studies of developmental tempo. Curr Opin Genet Dev 2024; 84:102149. [PMID: 38199063 PMCID: PMC10882223 DOI: 10.1016/j.gde.2023.102149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/15/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024]
Abstract
The rate of development is highly variable across animal species. However, the mechanisms regulating developmental tempo have remained elusive due to difficulties in performing direct interspecies comparisons. Here, we discuss how pluripotent stem cell-based models of development can be used to investigate cell- and tissue-autonomous temporal processes. These systems enable quantitative comparisons of different animal species under similar experimental conditions. Moreover, the constantly growing stem cell zoo collection allows the extension of developmental studies to a great number of unconventional species. We argue that the stem cell zoo constitutes a powerful platform to perform comparative studies of developmental tempo, as well as to study other forms of biological time control such as species-specific lifespan, heart rate, and circadian clocks.
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Affiliation(s)
- Jorge Lázaro
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain; Collaboration for joint PhD degree between EMBL and Heidelberg University, Faculty of Biosciences, Heidelberg, Germany. https://twitter.com/@JorgeLazaroF
| | - Jaroslaw Sochacki
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Miki Ebisuya
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain; Cluster of Excellence Physics of Life, TU Dresden, Arnoldstraße 18, 01307 Dresden, Germany.
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13
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Ramesh PS, Chu LF. Species-specific roles of the Notch ligands, receptors, and targets orchestrating the signaling landscape of the segmentation clock. Front Cell Dev Biol 2024; 11:1327227. [PMID: 38348091 PMCID: PMC10859470 DOI: 10.3389/fcell.2023.1327227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/20/2023] [Indexed: 02/15/2024] Open
Abstract
Somitogenesis is a hallmark feature of all vertebrates and some invertebrate species that involves the periodic formation of block-like structures called somites. Somites are transient embryonic segments that eventually establish the entire vertebral column. A highly conserved molecular oscillator called the segmentation clock underlies this periodic event and the pace of this clock regulates the pace of somite formation. Although conserved signaling pathways govern the clock in most vertebrates, the mechanisms underlying the species-specific divergence in various clock characteristics remain elusive. For example, the segmentation clock in classical model species such as zebrafish, chick, and mouse embryos tick with a periodicity of ∼30, ∼90, and ∼120 min respectively. This enables them to form the species-specific number of vertebrae during their overall timespan of somitogenesis. Here, we perform a systematic review of the species-specific features of the segmentation clock with a keen focus on mouse embryos. We perform this review using three different perspectives: Notch-responsive clock genes, ligand-receptor dynamics, and synchronization between neighboring oscillators. We further review reports that use non-classical model organisms and in vitro model systems that complement our current understanding of the segmentation clock. Our review highlights the importance of comparative developmental biology to further our understanding of this essential developmental process.
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Affiliation(s)
- Pranav S. Ramesh
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
- Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB, Canada
- Alberta Children’s Hospital Research Institute, Calgary, AB, Canada
| | - Li-Fang Chu
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
- Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB, Canada
- Alberta Children’s Hospital Research Institute, Calgary, AB, Canada
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14
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McDaniel C, Simsek MF, Chandel AS, Özbudak EM. Spatiotemporal control of pattern formation during somitogenesis. SCIENCE ADVANCES 2024; 10:eadk8937. [PMID: 38277458 PMCID: PMC10816718 DOI: 10.1126/sciadv.adk8937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 12/27/2023] [Indexed: 01/28/2024]
Abstract
Spatiotemporal patterns widely occur in biological, chemical, and physical systems. Particularly, embryonic development displays a diverse gamut of repetitive patterns established in many tissues and organs. Branching treelike structures in lungs, kidneys, livers, pancreases, and mammary glands as well as digits and bones in appendages, teeth, and palates are just a few examples. A fascinating instance of repetitive patterning is the sequential segmentation of the primary body axis, which is conserved in all vertebrates and many arthropods and annelids. In these species, the body axis elongates at the posterior end of the embryo containing an unsegmented tissue. Meanwhile, segments sequentially bud off from the anterior end of the unsegmented tissue, laying down an exquisite repetitive pattern and creating a segmented body plan. In vertebrates, the paraxial mesoderm is sequentially divided into somites. In this review, we will discuss the most prominent models, the most puzzling experimental data, and outstanding questions in vertebrate somite segmentation.
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Affiliation(s)
- Cassandra McDaniel
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Systems Biology and Physiology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - M. Fethullah Simsek
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Angad Singh Chandel
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Systems Biology and Physiology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Ertuğrul M. Özbudak
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
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15
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Bou Akar R, Lama C, Aubin D, Maruotti J, Onteniente B, Esteves de Lima J, Relaix F. Generation of highly pure pluripotent stem cell-derived myogenic progenitor cells and myotubes. Stem Cell Reports 2024; 19:84-99. [PMID: 38101399 PMCID: PMC10828960 DOI: 10.1016/j.stemcr.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 12/17/2023] Open
Abstract
Driving efficient and pure skeletal muscle cell differentiation from pluripotent stem cells (PSCs) has been challenging. Here, we report an optimized protocol that generates skeletal muscle progenitor cells with high efficiency and purity in a short period of time. Human induced PSCs (hiPSCs) and murine embryonic stem cells (mESCs) were specified into the mesodermal myogenic fate using distinct and species-specific protocols. We used a specific maturation medium to promote the terminal differentiation of both human and mouse myoblast populations, and generated myotubes associated with a large pool of cell-cycle arrested PAX7+ cells. We also show that myotube maturation is modulated by dish-coating properties, cell density, and percentage of myogenic progenitor cells. Given the high efficiency in the generation of myogenic progenitors and differentiated myofibers, this protocol provides an attractive strategy for tissue engineering, modeling of muscle dystrophies, and evaluation of new therapeutic approaches in vitro.
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Affiliation(s)
- Reem Bou Akar
- University Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, 94010 Creteil, France
| | - Chéryane Lama
- University Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, 94010 Creteil, France
| | | | | | | | | | - Frédéric Relaix
- University Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, 94010 Creteil, France.
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16
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Miao Y, Diaz-Cuadros M, Pourquié O. Modeling Human Paraxial Mesoderm Development with Pluripotent Stem Cells. Methods Mol Biol 2024; 2767:115-122. [PMID: 37843773 DOI: 10.1007/7651_2023_507] [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] [Indexed: 10/17/2023]
Abstract
Paraxial mesoderm in the early embryo is segmented into epithelial blocks called somites that establish the metameric organization of the vertebrate body plan. Somites are sequentially formed from head to tail in a rhythmic manner controlled by an oscillating gene regulatory network known as the segmentation clock. We know very little about this important process during human development due to limited access to human embryos and ethical concerns. To bypass these difficulties, model systems derived from human pluripotent stem cells have been established. Here, we detail three protocols modeling different aspects of human paraxial mesoderm development in vitro: a 2D cell monolayer system recapitulating dynamics of the human segmentation clock, a 3D organoid system called "somitoid" supporting the simultaneous formation of somite-like structures, and another organoid system called "segmentoid" reconstituting in vivo-like hallmarks of somitogenesis. Together, these complementary model systems provide an excellent platform to decode somitogenesis and advance human developmental biology.
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Affiliation(s)
- Yuchuan Miao
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Margarete Diaz-Cuadros
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
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17
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Ma PQ, Huang FW, Xie YQ, Li HR, Li HD, Ye BC, Yin BC. Universal DNA-Based Sensing Toolbox for Programming Cell Functions. J Am Chem Soc 2023; 145:28224-28232. [PMID: 38108623 DOI: 10.1021/jacs.3c11232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
By recombining natural cell signaling systems and further reprogramming cell functions, use of genetically engineered cells and bacteria as therapies is an innovative emerging concept. However, the inherent properties and structures of the natural signal sensing and response pathways constrain further development. We present a universal DNA-based sensing toolbox on the cell surface to endow new signal sensing abilities for cells, control cell states, and reprogram multiple cell functions. The sensing toolbox contains a triangular-prismatic-shaped DNA origami framework and a sensing core anchored inside the internal confined space to enhance the specificity and efficacy of the toolbox. As a proof of principle, the sensing toolbox uses the customizable sensing core with signal sensing switches and converters to recognize unconventional signal inputs, deliver functional components to cells, and then control cell responses, including specific tumor cell death, immune cell disinhibition and adhesion, and bacterial expression. This work expands the diversity of cell sensing signals and reprograms biological functions by constructing nanomechanical-natural hybrid cells, providing new strategies for engineering cells and bacteria in diagnosis and treatment applications.
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Affiliation(s)
- Pei-Qiang Ma
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
| | - Fu-Wen Huang
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
| | - Ya-Qi Xie
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
| | - Hong-Rui Li
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
| | - Hua-Dong Li
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
| | - Bang-Ce Ye
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
- Institute of Engineering Biology and Health, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Bin-Cheng Yin
- Lab of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
- School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, Xinjiang 832000, China
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18
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Simpson L, Alberio R. Interspecies control of development during mammalian gastrulation. Emerg Top Life Sci 2023; 7:397-408. [PMID: 37933589 PMCID: PMC10754326 DOI: 10.1042/etls20230083] [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: 08/28/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/08/2023]
Abstract
Gastrulation represents a pivotal phase of development and aberrations during this period can have major consequences, from minor anatomical deviations to severe congenital defects. Animal models are used to study gastrulation, however, there is considerable morphological and molecular diversity of gastrula across mammalian species. Here, we provide an overview of the latest research on interspecies developmental control across mammals. This includes single-cell atlases of several mammalian gastrula which have enabled comparisons of the temporal and molecular dynamics of differentiation. These studies highlight conserved cell differentiation regulators and both absolute and relative differences in differentiation dynamics between species. Recent advances in in vitro culture techniques have facilitated the derivation, maintenance and differentiation of cell lines from a range of species and the creation of multi-species models of gastrulation. Gastruloids are three-dimensional aggregates capable of self-organising and recapitulating aspects of gastrulation. Such models enable species comparisons outside the confines of the embryo. We highlight recent in vitro evidence that differentiation processes such as somitogenesis and neuronal maturation scale with known in vivo differences in developmental tempo across species. This scaling is likely due to intrinsic differences in cell biochemistry. We also highlight several studies which provide examples of cell differentiation dynamics being influenced by extrinsic factors, including culture conditions, chimeric co-culture, and xenotransplantation. These collective studies underscore the complexity of gastrulation across species, highlighting the necessity of additional datasets and studies to decipher the intricate balance between intrinsic cellular programs and extrinsic signals in shaping embryogenesis.
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Affiliation(s)
- Luke Simpson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, U.K
| | - Ramiro Alberio
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, U.K
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19
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Conrad JV, Meyer S, Ramesh PS, Neira JA, Rusteika M, Mamott D, Duffin B, Bautista M, Zhang J, Hiles E, Higgins EM, Steill J, Freeman J, Ni Z, Liu S, Ungrin M, Rancourt D, Clegg DO, Stewart R, Thomson JA, Chu LF. Efficient derivation of transgene-free porcine induced pluripotent stem cells enables in vitro modeling of species-specific developmental timing. Stem Cell Reports 2023; 18:2328-2343. [PMID: 37949072 PMCID: PMC10724057 DOI: 10.1016/j.stemcr.2023.10.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 10/10/2023] [Accepted: 10/10/2023] [Indexed: 11/12/2023] Open
Abstract
Sus scrofa domesticus (pig) has served as a superb large mammalian model for biomedical studies because of its comparable physiology and organ size to humans. The derivation of transgene-free porcine induced pluripotent stem cells (PiPSCs) will, therefore, benefit the development of porcine-specific models for regenerative biology and its medical applications. In the past, this effort has been hampered by a lack of understanding of the signaling milieu that stabilizes the porcine pluripotent state in vitro. Here, we report that transgene-free PiPSCs can be efficiently derived from porcine fibroblasts by episomal vectors along with microRNA-302/367 using optimized protocols tailored for this species. PiPSCs can be differentiated into derivatives representing the primary germ layers in vitro and can form teratomas in immunocompromised mice. Furthermore, the transgene-free PiPSCs preserve intrinsic species-specific developmental timing in culture, known as developmental allochrony. This is demonstrated by establishing a porcine in vitro segmentation clock model that, for the first time, displays a specific periodicity at ∼3.7 h, a timescale recapitulating in vivo porcine somitogenesis. We conclude that the transgene-free PiPSCs can serve as a powerful tool for modeling development and disease and developing transplantation strategies. We also anticipate that they will provide insights into conserved and unique features on the regulations of mammalian pluripotency and developmental timing mechanisms.
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Affiliation(s)
- J Vanessa Conrad
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada
| | - Susanne Meyer
- Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Pranav S Ramesh
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada
| | - Jaime A Neira
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada; Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Margaret Rusteika
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada; Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Daniel Mamott
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Bret Duffin
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Monica Bautista
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada
| | - Jue Zhang
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Emily Hiles
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada
| | - Eve M Higgins
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada
| | - John Steill
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Jack Freeman
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Zijian Ni
- Department of Statistics, University of Wisconsin, Madison, WI 53706, USA
| | - Shiying Liu
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Mark Ungrin
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada; Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Derrick Rancourt
- Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada; Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Dennis O Clegg
- Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA 93106, USA; Department of Molecular, Cellular, & Developmental Biology, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Ron Stewart
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - James A Thomson
- Morgridge Institute for Research, Madison, WI 53715, USA; Department of Molecular, Cellular, & Developmental Biology, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Li-Fang Chu
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; Reproductive Biology and Regenerative Medicine Research Group, University of Calgary, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Calgary, AB T2N 4N1, Canada; Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada.
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20
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Loureiro C, Venzin OF, Oates AC. Generation of patterns in the paraxial mesoderm. Curr Top Dev Biol 2023; 159:372-405. [PMID: 38729682 DOI: 10.1016/bs.ctdb.2023.11.001] [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] [Indexed: 05/12/2024]
Abstract
The Segmentation Clock is a tissue-level patterning system that enables the segmentation of the vertebral column precursors into transient multicellular blocks called somites. This patterning system comprises a set of elements that are essential for correct segmentation. Under the so-called "Clock and Wavefront" model, the system consists of two elements, a genetic oscillator that manifests itself as traveling waves of gene expression, and a regressing wavefront that transforms the temporally periodic signal encoded in the oscillations into a permanent spatially periodic pattern of somite boundaries. Over the last twenty years, every new discovery about the Segmentation Clock has been tightly linked to the nomenclature of the "Clock and Wavefront" model. This constrained allocation of discoveries into these two elements has generated long-standing debates in the field as what defines molecularly the wavefront and how and where the interaction between the two elements establishes the future somite boundaries. In this review, we propose an expansion of the "Clock and Wavefront" model into three elements, "Clock", "Wavefront" and signaling gradients. We first provide a detailed description of the components and regulatory mechanisms of each element, and we then examine how the spatiotemporal integration of the three elements leads to the establishment of the presumptive somite boundaries. To be as exhaustive as possible, we focus on the Segmentation Clock in zebrafish. Furthermore, we show how this three-element expansion of the model provides a better understanding of the somite formation process and we emphasize where our current understanding of this patterning system remains obscure.
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Affiliation(s)
- Cristina Loureiro
- Institute of Bioengineering, School of Life Sciences, Swiss Federal Institute of Technology Lausanne EPFL, Switzerland
| | - Olivier F Venzin
- Institute of Bioengineering, School of Life Sciences, Swiss Federal Institute of Technology Lausanne EPFL, Switzerland
| | - Andrew C Oates
- Institute of Bioengineering, School of Life Sciences, Swiss Federal Institute of Technology Lausanne EPFL, Switzerland.
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21
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Diaz-Cuadros M, Pourquié O. The Clockwork Embryo: Mechanisms Regulating Developmental Rate. Annu Rev Genet 2023; 57:117-134. [PMID: 38012023 DOI: 10.1146/annurev-genet-022123-104503] [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] [Indexed: 11/29/2023]
Abstract
Organismal development requires the reproducible unfolding of an ordered sequence of discrete steps (cell fate determination, migration, tissue folding, etc.) in both time and space. Here, we review the mechanisms that grant temporal specificity to developmental steps, including molecular clocks and timers. Individual timing mechanisms must be coordinated with each other to maintain the overall developmental sequence. However, phenotypic novelties can also arise through the modification of temporal patterns over the course of evolution. Two main types of variation in temporal patterning characterize interspecies differences in developmental time: allochrony, where the overall developmental sequence is either accelerated or slowed down while maintaining the relative duration of individual steps, and heterochrony, where the duration of specific developmental steps is altered relative to the rest. New advances in in vitro modeling of mammalian development using stem cells have recently enabled the revival of mechanistic studies of allochrony and heterochrony. In both cases, differences in the rate of basic cellular functions such as splicing, translation, protein degradation, and metabolism seem to underlie differences in developmental time. In the coming years, these studies should identify the genetic differences that drive divergence in developmental time between species.
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Affiliation(s)
- Margarete Diaz-Cuadros
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts, USA;
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA;
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA;
- Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA
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22
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Simsek MF, Özbudak EM. A design logic for sequential segmentation across organisms. FEBS J 2023; 290:5086-5093. [PMID: 37422856 PMCID: PMC10774455 DOI: 10.1111/febs.16899] [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: 04/19/2023] [Revised: 05/24/2023] [Accepted: 07/06/2023] [Indexed: 07/11/2023]
Abstract
Multitudes of organisms display metameric compartmentalization of their body plan. Segmentation of these compartments happens sequentially in diverse phyla. In several sequentially segmenting species, periodically active molecular clocks and signaling gradients have been found. The clocks are proposed to control the timing of segmentation, while the gradients are proposed to instruct the positions of segment boundaries. However, the identity of the clock and gradient molecules differs across species. Furthermore, sequential segmentation of a basal chordate, Amphioxus, continues at late stages when the small tail bud cell population cannot establish long-range signaling gradients. Thus, it remains to be explained how a conserved morphological trait (i.e., sequential segmentation) is achieved by using different molecules or molecules with different spatial profiles. Here, we first focus on sequential segmentation of somites in vertebrate embryos and then draw parallels with other species. Thereafter, we propose a candidate design principle that has the potential to answer this puzzling question.
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Affiliation(s)
- M Fethullah Simsek
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, OH, USA
| | - Ertuğrul M Özbudak
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, OH, USA
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23
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Liu Y, Kim YS, Xue X, Kobayashi N, Sun S, Yang Q, Pourquié O, Fu J. A human pluripotent stem cell-based somitogenesis model using microfluidics. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.29.564399. [PMID: 37961125 PMCID: PMC10634932 DOI: 10.1101/2023.10.29.564399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Emerging human pluripotent stem cell (hPSC)-based embryo models are useful for studying human embryogenesis. Particularly, there are hPSC-based somitogenesis models using free-floating culture that recapitulate somite formation. Somitogenesis in vivo involves intricately orchestrated bio-chemical and -mechanical events. However, none of the current somitogenesis models controls biochemical gradients or biomechanical signals in the culture, limiting their applicability to untangle complex biochemical-biomechanical interactions that drive somitogenesis. Here we report a new human somitogenesis model by confining hPSC-derived presomitic mesoderm (PSM) tissues in microfabricated trenches. Exogenous microfluidic morphogen gradients imposed on PSM cause axial patterning and trigger spontaneous rostral-to-caudal somite formation. A mechanical theory is developed to explain the size dependency between somites and PSM. The microfluidic somitogenesis model is further exploited to reveal regulatory roles of cellular and tissue biomechanics in somite formation. This study presents a useful microengineered, hPSC-based model for understanding the bio-chemical and -mechanical events that guide somite formation.
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24
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Hosokawa M, Mikawa R, Hagiwara A, Okuno Y, Awaya T, Yamamoto Y, Takahashi S, Yamaki H, Osawa M, Setoguchi Y, Saito MK, Abe S, Hirai T, Gotoh S, Hagiwara M. Cryptotanshinone is a candidate therapeutic agent for interstitial lung disease associated with a BRICHOS-domain mutation of SFTPC. iScience 2023; 26:107731. [PMID: 37701577 PMCID: PMC10494175 DOI: 10.1016/j.isci.2023.107731] [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: 12/19/2022] [Revised: 08/05/2023] [Accepted: 08/23/2023] [Indexed: 09/14/2023] Open
Abstract
Interstitial lung disease (ILD) represents a large group of diseases characterized by chronic inflammation and fibrosis of the lungs, for which therapeutic options are limited. Among several causative genes of familial ILD with autosomal dominant inheritance, the mutations in the BRICHOS domain of SFTPC cause protein accumulation and endoplasmic reticulum stress by misfolding its proprotein. Through a screening system using these two phenotypes in HEK293 cells and evaluation using alveolar epithelial type 2 (AT2) cells differentiated from patient-derived induced pluripotent stem cells (iPSCs), we identified Cryptotanshinone (CPT) as a potential therapeutic agent for ILD. CPT decreased cell death induced by mutant SFTPC overexpression in A549 and HEK293 cells and ameliorated the bleomycin-induced contraction of the matrix in fibroblast-dependent alveolar organoids derived from iPSCs with SFTPC mutation. CPT and this screening strategy can apply to abnormal protein-folding-associated ILD and other protein-misfolding diseases.
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Affiliation(s)
- Motoyasu Hosokawa
- Department of Anatomy and Developmental Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
- Department of Developmental Biology and Functional Genomics, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Ryuta Mikawa
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
- Department of Drug Discovery for Lung Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Atsuko Hagiwara
- Department of Anatomy and Developmental Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Yukiko Okuno
- Medical Research Support Center, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Tomonari Awaya
- Department of Anatomy and Developmental Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yuki Yamamoto
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
- Department of Drug Discovery for Lung Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Senye Takahashi
- Department of Drug Discovery for Lung Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Haruka Yamaki
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Mitsujiro Osawa
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Yasuhiro Setoguchi
- Department of Respiratory Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo 113-8519, Japan
| | - Megumu K Saito
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Shinji Abe
- Department of Respiratory Medicine Tokyo, Medical University Hospital, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Toyohiro Hirai
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Shimpei Gotoh
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
- Department of Drug Discovery for Lung Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Masatoshi Hagiwara
- Department of Anatomy and Developmental Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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25
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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 2023:10.1038/s41587-023-01956-9. [PMID: 37709912 DOI: 10.1038/s41587-023-01956-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [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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26
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Birchmeier C. Regulation of developmental tempo in different vertebrate species. Cell Stem Cell 2023; 30:907-908. [PMID: 37419101 DOI: 10.1016/j.stem.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 07/09/2023]
Abstract
In this issue, Lazaro et al.1 use iPSC-derived presomitic mesoderm cells to analyze the oscillatory expression of somitic clock genes. Comparison of a wide range of species, including mouse, rabbit, cattle, rhinoceros, human, and marmoset, demonstrates an excellent correlation between biochemical reaction speed and the tempo of the clock.
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Affiliation(s)
- Carmen Birchmeier
- Developmental Biology/Signal Transduction, Max Delbrück Center for Molecular Medicine, Berlin, Germany; NeuroCure Cluster of Excellence, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
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27
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Lázaro J, Costanzo M, Sanaki-Matsumiya M, Girardot C, Hayashi M, Hayashi K, Diecke S, Hildebrandt TB, Lazzari G, Wu J, Petkov S, Behr R, Trivedi V, Matsuda M, Ebisuya M. A stem cell zoo uncovers intracellular scaling of developmental tempo across mammals. Cell Stem Cell 2023; 30:938-949.e7. [PMID: 37343565 PMCID: PMC10321541 DOI: 10.1016/j.stem.2023.05.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 04/03/2023] [Accepted: 05/25/2023] [Indexed: 06/23/2023]
Abstract
Differential speeds in biochemical reactions have been proposed to be responsible for the differences in developmental tempo between mice and humans. However, the underlying mechanism controlling the species-specific kinetics remains to be determined. Using in vitro differentiation of pluripotent stem cells, we recapitulated the segmentation clocks of diverse mammalian species varying in body weight and taxa: marmoset, rabbit, cattle, and rhinoceros. Together with mouse and human, the segmentation clock periods of the six species did not scale with the animal body weight, but with the embryogenesis length. The biochemical kinetics of the core clock gene HES7 displayed clear scaling with the species-specific segmentation clock period. However, the cellular metabolic rates did not show an evident correlation. Instead, genes involving biochemical reactions showed an expression pattern that scales with the segmentation clock period. Altogether, our stem cell zoo uncovered general scaling laws governing species-specific developmental tempo.
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Affiliation(s)
- Jorge Lázaro
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain; Collaboration for joint PhD degree between EMBL and Heidelberg University, Faculty of Biosciences, Heidelberg, Germany
| | - Maria Costanzo
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Marina Sanaki-Matsumiya
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain
| | - Charles Girardot
- European Molecular Biology Laboratory, Genome Biology Unit, 69117 Heidelberg, Germany
| | - Masafumi Hayashi
- Department of Genome Biology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita 565-0871, Osaka, Japan
| | - Katsuhiko Hayashi
- Department of Genome Biology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita 565-0871, Osaka, Japan
| | - Sebastian Diecke
- Technology Platform Pluripotent Stem Cells, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | | | | | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA
| | - Stoyan Petkov
- Platform Degenerative Diseases, German Primate Center - Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany; German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
| | - Rüdiger Behr
- Platform Degenerative Diseases, German Primate Center - Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany; German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
| | - Vikas Trivedi
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain.
| | - Mitsuhiro Matsuda
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain.
| | - Miki Ebisuya
- European Molecular Biology Laboratory (EMBL) Barcelona, Dr. Aiguader 88, 08003 Barcelona, Spain; Cluster of Excellence Physics of Life, TU Dresden, Dresden, Germany.
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28
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Emig AA, Williams MLK. Gastrulation morphogenesis in synthetic systems. Semin Cell Dev Biol 2023; 141:3-13. [PMID: 35817656 PMCID: PMC9825685 DOI: 10.1016/j.semcdb.2022.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/19/2022] [Accepted: 07/04/2022] [Indexed: 01/11/2023]
Abstract
Recent advances in pluripotent stem cell culture allow researchers to generate not only most embryonic cell types, but also morphologies of many embryonic structures, entirely in vitro. This recreation of embryonic form from naïve cells, known as synthetic morphogenesis, has important implications for both developmental biology and regenerative medicine. However, the capacity of stem cell-based models to recapitulate the morphogenetic cell behaviors that shape natural embryos remains unclear. In this review, we explore several examples of synthetic morphogenesis, with a focus on models of gastrulation and surrounding stages. By varying cell types, source species, and culture conditions, researchers have recreated aspects of primitive streak formation, emergence and elongation of the primary embryonic axis, neural tube closure, and more. Here, we describe cell behaviors within in vitro/ex vivo systems that mimic in vivo morphogenesis and highlight opportunities for more complete models of early development.
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Affiliation(s)
- Alyssa A Emig
- Center for Precision Environmental Health & Department of Molecular and Cellular Biology, Baylor College of Medicine, USA
| | - Margot L K Williams
- Center for Precision Environmental Health & Department of Molecular and Cellular Biology, Baylor College of Medicine, USA.
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29
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Arostegui M, Scott RW, Underhill TM. Hic1 identifies a specialized mesenchymal progenitor population in the embryonic limb responsible for bone superstructure formation. Cell Rep 2023; 42:112325. [PMID: 37002923 DOI: 10.1016/j.celrep.2023.112325] [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: 08/10/2022] [Revised: 12/21/2022] [Accepted: 03/17/2023] [Indexed: 06/19/2023] Open
Abstract
The musculoskeletal system relies on the integration of multiple components with diverse physical properties, such as striated muscle, tendon, and bone, that enable locomotion and structural stability. This relies on the emergence of specialized, but poorly characterized, interfaces between these various elements during embryonic development. Within the appendicular skeleton, we show that a subset of mesenchymal progenitors (MPs), identified by Hic1, do not contribute to the primary cartilaginous anlagen but represent the MP population, whose progeny directly contribute to the interfaces that connect bone to tendon (entheses), tendon to muscle (myotendinous junctions), and the associated superstructures. Furthermore, deletion of Hic1 leads to skeletal defects reflective of deficient muscle-bone coupling and, consequently, perturbation of ambulation. Collectively, these findings show that Hic1 identifies a unique MP population that contributes to a secondary wave of bone sculpting critical to skeletal morphogenesis.
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Affiliation(s)
- Martin Arostegui
- Biomedical Research Centre, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - R Wilder Scott
- Biomedical Research Centre, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; School of Biomedical Engineering, University of British Columbia, 2222 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - T Michael Underhill
- Biomedical Research Centre, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; School of Biomedical Engineering, University of British Columbia, 2222 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada.
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30
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Kageyama R, Isomura A, Shimojo H. Biological Significance of the Coupling Delay in Synchronized Oscillations. Physiology (Bethesda) 2023; 38:0. [PMID: 36256636 DOI: 10.1152/physiol.00023.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The significance of the coupling delay, which is the time required for interactions between coupled oscillators, in various oscillatory dynamics has been investigated mathematically for more than three decades, but its biological significance has been revealed only recently. In the segmentation clock, which regulates the periodic formation of somites in embryos, Hes7 expression oscillates synchronously between neighboring presomitic mesoderm (PSM) cells, and this synchronized oscillation is controlled by Notch signaling-mediated coupling between PSM cells. Recent studies have shown that inappropriate coupling delays dampen and desynchronize Hes7 oscillations, as simulated mathematically, leading to the severe fusion of somites and somite-derived tissues such as the vertebrae and ribs. These results indicate the biological significance of the coupling delay in synchronized Hes7 oscillations in the segmentation clock. The recent development of an in vitro PSM-like system will facilitate the detailed analysis of the coupling delay in synchronized oscillations.
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Affiliation(s)
- Ryoichiro Kageyama
- RIKEN Center for Brain Science, Wako, Japan.,Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Kyoto University Graduate School of Medicine, Kyoto, Japan.,Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan
| | - Akihiro Isomura
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan.,PRESTO, Japan Science and Technology Agency, Saitama, Japan
| | - Hiromi Shimojo
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan
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31
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Yaman YI, Ramanathan S. Controlling human organoid symmetry breaking reveals signaling gradients drive segmentation clock waves. Cell 2023; 186:513-527.e19. [PMID: 36657441 PMCID: PMC10025047 DOI: 10.1016/j.cell.2022.12.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/29/2022] [Accepted: 12/21/2022] [Indexed: 01/19/2023]
Abstract
Axial development of mammals involves coordinated morphogenetic events, including axial elongation, somitogenesis, and neural tube formation. To gain insight into the signals controlling the dynamics of human axial morphogenesis, we generated axially elongating organoids by inducing anteroposterior symmetry breaking of spatially coupled epithelial cysts derived from human pluripotent stem cells. Each organoid was composed of a neural tube flanked by presomitic mesoderm sequentially segmented into somites. Periodic activation of the somite differentiation gene MESP2 coincided in space and time with anteriorly traveling segmentation clock waves in the presomitic mesoderm of the organoids, recapitulating critical aspects of somitogenesis. Timed perturbations demonstrated that FGF and WNT signaling play distinct roles in axial elongation and somitogenesis, and that FGF signaling gradients drive segmentation clock waves. By generating and perturbing organoids that robustly recapitulate the architecture of multiple axial tissues in human embryos, this work offers a means to dissect mechanisms underlying human embryogenesis.
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Affiliation(s)
- Yusuf Ilker Yaman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.
| | - Sharad Ramanathan
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.
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32
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Miao Y, Djeffal Y, De Simone A, Zhu K, Lee JG, Lu Z, Silberfeld A, Rao J, Tarazona OA, Mongera A, Rigoni P, Diaz-Cuadros M, Song LMS, Di Talia S, Pourquié O. Reconstruction and deconstruction of human somitogenesis in vitro. Nature 2023; 614:500-508. [PMID: 36543321 PMCID: PMC10018515 DOI: 10.1038/s41586-022-05655-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
The vertebrate body displays a segmental organization that is most conspicuous in the periodic organization of the vertebral column and peripheral nerves. This metameric organization is first implemented when somites, which contain the precursors of skeletal muscles and vertebrae, are rhythmically generated from the presomitic mesoderm. Somites then become subdivided into anterior and posterior compartments that are essential for vertebral formation and segmental patterning of the peripheral nervous system1-4. How this key somitic subdivision is established remains poorly understood. Here we introduce three-dimensional culture systems of human pluripotent stem cells called somitoids and segmentoids, which recapitulate the formation of somite-like structures with anteroposterior identity. We identify a key function of the segmentation clock in converting temporal rhythmicity into the spatial regularity of anterior and posterior somitic compartments. We show that an initial 'salt and pepper' expression of the segmentation gene MESP2 in the newly formed segment is transformed into compartments of anterior and posterior identity through an active cell-sorting mechanism. Our research demonstrates that the major patterning modules that are involved in somitogenesis, including the clock and wavefront, anteroposterior polarity patterning and somite epithelialization, can be dissociated and operate independently in our in vitro systems. Together, we define a framework for the symmetry-breaking process that initiates somite polarity patterning. Our work provides a platform for decoding general principles of somitogenesis and advancing knowledge of human development.
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Affiliation(s)
- Yuchuan Miao
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Yannis Djeffal
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | | | - Kongju Zhu
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Jong Gwan Lee
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Ziqi Lu
- Department of Cell Biology, Duke University Medical Center, Durham, NC, USA
| | - Andrew Silberfeld
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Jyoti Rao
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Oscar A Tarazona
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Alessandro Mongera
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Pietro Rigoni
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Margarete Diaz-Cuadros
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Laura Min Sook Song
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Stefano Di Talia
- Department of Cell Biology, Duke University Medical Center, Durham, NC, USA
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, MA, USA.
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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33
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Abstract
The segmented body plan of vertebrates is established during somitogenesis, a well-studied process in model organisms; however, the details of this process in humans remain largely unknown owing to ethical and technical limitations. Despite recent advances with pluripotent stem cell-based approaches1-5, models that robustly recapitulate human somitogenesis in both space and time remain scarce. Here we introduce a pluripotent stem cell-derived mesoderm-based 3D model of human segmentation and somitogenesis-which we termed 'axioloid'-that captures accurately the oscillatory dynamics of the segmentation clock and the morphological and molecular characteristics of sequential somite formation in vitro. Axioloids show proper rostrocaudal patterning of forming segments and robust anterior-posterior FGF-WNT signalling gradients and retinoic acid signalling components. We identify an unexpected critical role of retinoic acid signalling in the stabilization of forming segments, indicating distinct, but also synergistic effects of retinoic acid and extracellular matrix on the formation and epithelialization of somites. Comparative analysis demonstrates marked similarities of axioloids to the human embryo, further validated by the presence of a Hox code in axioloids. Finally, we demonstrate the utility of axioloids for studying the pathogenesis of human congenital spine diseases using induced pluripotent stem cells with mutations in HES7 and MESP2. Our results indicate that axioloids represent a promising platform for the study of axial development and disease in humans.
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34
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Chen P, Guo Z, Zhou B. Insight into the role of adult hippocampal neurogenesis in aging and Alzheimer's disease. Ageing Res Rev 2023; 84:101828. [PMID: 36549424 DOI: 10.1016/j.arr.2022.101828] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/09/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia and seriously affects the quality of life of the elderly. Neurodegeneration is closely related to hippocampal dysfunction in AD patients. The hippocampus is key to creating new memories and is also one of the first areas of the brain to deteriorate with age. Mammalian neurogenesis occurs mainly in the hippocampus. Recent studies have confirmed that neurogenesis in the hippocampus is sustainable but decreases with age, which seriously affects the learning and memory function of AD patients. At present, our understanding of neurogenesis is still relatively shallow, especially pertaining to the influence and role of neurogenesis during aging and cognitive deficits in AD patients. Interestingly, many recent studies have described the characteristics of neurogenesis in animal models. This article reviews the progress of neurogenesis research in the context of aging and AD to provide new insights into neurogenesis.
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Affiliation(s)
- Peng Chen
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - ZhiLei Guo
- Department of Pharmacy, Wuhan Fourth Hospital, Wuhan, Hubei, China.
| | - Benhong Zhou
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
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35
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Uriu K, Morelli LG. Orchestration of tissue shape changes and gene expression patterns in development. Semin Cell Dev Biol 2023; 147:24-33. [PMID: 36631335 DOI: 10.1016/j.semcdb.2022.12.009] [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: 10/28/2022] [Revised: 12/27/2022] [Accepted: 12/27/2022] [Indexed: 01/11/2023]
Abstract
In development, tissue shape changes and gene expression patterns give rise to morphogenesis. Understanding tissue shape changes requires the analysis of mechanical properties of the tissue such as tissue rigidity, cell influx from neighboring tissues, cell shape changes and cell proliferation. Local and global gene expression patterns can be influenced by neighbor exchange and tissue shape changes. Here we review recent studies on the mechanisms for tissue elongation and its influences on dynamic gene expression patterns by focusing on vertebrate somitogenesis. We first introduce mechanical and biochemical properties of the segmenting tissue that drive tissue elongation. Then, we discuss patterning in the presence of cell mixing, scaling of signaling gradients, and dynamic phase waves of rhythmic gene expression under tissue shape changes. We also highlight the importance of theoretical approaches to address the relation between tissue shape changes and patterning.
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Affiliation(s)
- Koichiro Uriu
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192 Japan.
| | - Luis G Morelli
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA)-CONICET-Partner Institute of the Max Planck Society, Polo Científico Tecnológico, Godoy Cruz 2390, C1425FQD, Buenos Aires, Argentina; Departamento de Física, FCEyN UBA, Ciudad Universitaria, 1428 Buenos Aires, Argentina.
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36
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Blatnik MC, Gallagher TL, Amacher SL. Keeping development on time: Insights into post-transcriptional mechanisms driving oscillatory gene expression during vertebrate segmentation. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1751. [PMID: 35851751 PMCID: PMC9840655 DOI: 10.1002/wrna.1751] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/13/2022] [Accepted: 06/20/2022] [Indexed: 01/31/2023]
Abstract
Biological time keeping, or the duration and tempo at which biological processes occur, is a phenomenon that drives dynamic molecular and morphological changes that manifest throughout many facets of life. In some cases, the molecular mechanisms regulating the timing of biological transitions are driven by genetic oscillations, or periodic increases and decreases in expression of genes described collectively as a "molecular clock." In vertebrate animals, molecular clocks play a crucial role in fundamental patterning and cell differentiation processes throughout development. For example, during early vertebrate embryogenesis, the segmentation clock regulates the patterning of the embryonic mesoderm into segmented blocks of tissue called somites, which later give rise to axial skeletal muscle and vertebrae. Segmentation clock oscillations are characterized by rapid cycles of mRNA and protein expression. For segmentation clock oscillations to persist, the transcript and protein molecules of clock genes must be short-lived. Faithful, rhythmic, genetic oscillations are sustained by precise regulation at many levels, including post-transcriptional regulation, and such mechanisms are essential for proper vertebrate development. This article is categorized under: RNA Export and Localization > RNA Localization RNA Turnover and Surveillance > Regulation of RNA Stability Translation > Regulation.
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Affiliation(s)
- Monica C. Blatnik
- The Ohio State University, Department of Molecular Genetics, Columbus, Ohio, 43210-1132, United States
| | - Thomas L. Gallagher
- The Ohio State University, Department of Molecular Genetics, Columbus, Ohio, 43210-1132, United States
| | - Sharon L. Amacher
- The Ohio State University, Department of Molecular Genetics, Columbus, Ohio, 43210-1132, United States
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37
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Diaz-Cuadros M, Miettinen TP, Skinner OS, Sheedy D, Díaz-García CM, Gapon S, Hubaud A, Yellen G, Manalis SR, Oldham WM, Pourquié O. Metabolic regulation of species-specific developmental rates. Nature 2023; 613:550-557. [PMID: 36599986 PMCID: PMC9944513 DOI: 10.1038/s41586-022-05574-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/18/2022] [Indexed: 01/06/2023]
Abstract
Animals display substantial inter-species variation in the rate of embryonic development despite a broad conservation of the overall sequence of developmental events. Differences in biochemical reaction rates, including the rates of protein production and degradation, are thought to be responsible for species-specific rates of development1-3. However, the cause of differential biochemical reaction rates between species remains unknown. Here, using pluripotent stem cells, we have established an in vitro system that recapitulates the twofold difference in developmental rate between mouse and human embryos. This system provides a quantitative measure of developmental speed as revealed by the period of the segmentation clock, a molecular oscillator associated with the rhythmic production of vertebral precursors. Using this system, we show that mass-specific metabolic rates scale with the developmental rate and are therefore higher in mouse cells than in human cells. Reducing these metabolic rates by inhibiting the electron transport chain slowed down the segmentation clock by impairing the cellular NAD+/NADH redox balance and, further downstream, lowering the global rate of protein synthesis. Conversely, increasing the NAD+/NADH ratio in human cells by overexpression of the Lactobacillus brevis NADH oxidase LbNOX increased the translation rate and accelerated the segmentation clock. These findings represent a starting point for the manipulation of developmental rate, with multiple translational applications including accelerating the differentiation of human pluripotent stem cells for disease modelling and cell-based therapies.
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Affiliation(s)
- Margarete Diaz-Cuadros
- Department of Genetics, Harvard Medical School, Boston, MA, USA.
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA.
| | - Teemu P Miettinen
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Owen S Skinner
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA, USA
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA
- Broad Institute, Cambridge, MA, USA
| | - Dylan Sheedy
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Carlos Manlio Díaz-García
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Svetlana Gapon
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Alexis Hubaud
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Gary Yellen
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Scott R Manalis
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - William M Oldham
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, MA, USA.
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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38
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Özelçi E, Mailand E, Rüegg M, Oates AC, Sakar MS. Deconstructing body axis morphogenesis in zebrafish embryos using robot-assisted tissue micromanipulation. Nat Commun 2022; 13:7934. [PMID: 36566327 PMCID: PMC9789989 DOI: 10.1038/s41467-022-35632-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022] Open
Abstract
Classic microsurgical techniques, such as those used in the early 1900s by Mangold and Spemann, have been instrumental in advancing our understanding of embryonic development. However, these techniques are highly specialized, leading to issues of inter-operator variability. Here we introduce a user-friendly robotic microsurgery platform that allows precise mechanical manipulation of soft tissues in zebrafish embryos. Using our platform, we reproducibly targeted precise regions of tail explants, and quantified the response in real-time by following notochord and presomitic mesoderm (PSM) morphogenesis and segmentation clock dynamics during vertebrate anteroposterior axis elongation. We find an extension force generated through the posterior notochord that is strong enough to buckle the structure. Our data suggest that this force generates a unidirectional notochord extension towards the tailbud because PSM tissue around the posterior notochord does not let it slide anteriorly. These results complement existing biomechanical models of axis elongation, revealing a critical coupling between the posterior notochord, the tailbud, and the PSM, and show that somite patterning is robust against structural perturbations.
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Affiliation(s)
- Ece Özelçi
- grid.5333.60000000121839049Institute of Mechanical Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland ,grid.5333.60000000121839049Institute of Bioengineering, EPFL, 1015 Lausanne, Switzerland
| | - Erik Mailand
- grid.5333.60000000121839049Institute of Mechanical Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Matthias Rüegg
- grid.5333.60000000121839049Institute of Mechanical Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Andrew C. Oates
- grid.5333.60000000121839049Institute of Bioengineering, EPFL, 1015 Lausanne, Switzerland
| | - Mahmut Selman Sakar
- grid.5333.60000000121839049Institute of Mechanical Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland ,grid.5333.60000000121839049Institute of Bioengineering, EPFL, 1015 Lausanne, Switzerland
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39
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Temporal Analysis Reveals the Transient Differential Expression of Transcription Factors That Underlie the Trans-Differentiation of Human Monocytes to Macrophages. Int J Mol Sci 2022; 23:ijms232415830. [PMID: 36555471 PMCID: PMC9781183 DOI: 10.3390/ijms232415830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/15/2022] [Accepted: 11/20/2022] [Indexed: 12/15/2022] Open
Abstract
The activation of monocytes and their trans-differentiation into macrophages are critical processes of the immune response. Prior work has characterized the differences in the expression between monocytes and macrophages, but the transitional process between these cells is poorly detailed. Here, we analyzed the temporal changes of the transcriptome during trans-differentiation of primary human monocytes into M0 macrophages. We find changes with many transcription factors throughout the process, the vast majority of which exhibit a maximally different expression at the intermediate stages. A few factors, including AP-1, were previously known to play a role in immunological transitions, but most were not. Thus, these findings indicate that this trans-differentiation requires the dynamic expression of many transcription factors not previously discussed in immunology, and provide a foundation for the delineation of the molecular mechanisms associated with healthy or pathological responses that involve this transition.
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40
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Qin Y, Huang X, Cai Z, Cai B, He J, Yao Y, Zhou C, Kuang J, Yang Y, Chen H, Chen Y, Ou S, Chen L, Wu F, Guo N, Yuan Y, Zhang X, Pang W, Feng Z, Yu S, Liu J, Cao S, Pei D. Regeneration of the human segmentation clock in somitoids in vitro. EMBO J 2022; 41:e110928. [PMID: 36245268 PMCID: PMC9713707 DOI: 10.15252/embj.2022110928] [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: 02/14/2022] [Revised: 09/02/2022] [Accepted: 09/16/2022] [Indexed: 01/15/2023] Open
Abstract
Each vertebrate species appears to have a unique timing mechanism for forming somites along the vertebral column, and the process in human remains poorly understood at the molecular level due to technical and ethical limitations. Here, we report the reconstitution of human segmentation clock by direct reprogramming. We first reprogrammed human urine epithelial cells to a presomitic mesoderm (PSM) state capable of long-term self-renewal and formation of somitoids with an anterior-to-posterior axis. By inserting the RNA reporter Pepper into HES7 and MESP2 loci of these iPSM cells, we show that both transcripts oscillate in the resulting somitoids at ~5 h/cycle. GFP-tagged endogenous HES7 protein moves along the anterior-to-posterior axis during somitoid formation. The geo-sequencing analysis further confirmed anterior-to-posterior polarity and revealed the localized expression of WNT, BMP, FGF, and RA signaling molecules and HOXA-D family members. Our study demonstrates the direct reconstitution of human segmentation clock from somatic cells, which may allow future dissection of the mechanism and components of such a clock and aid regenerative medicine.
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Affiliation(s)
- Yue Qin
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Xingnan Huang
- Laboratory of Cell Fate Control, School of Life SciencesWestlake UniversityHangzhouChina
| | - Zepo Cai
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Joint School of Life Science, Guangzhou Institutes of Biomedicine and Health, Chinese Academic and SciencesGuangzhou Medical UniversityGuangzhouChina
| | - Baomei Cai
- Center for Cell Lineage and AtlasBioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory)GuangzhouChina
| | - Jiangping He
- Center for Cell Lineage and AtlasBioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory)GuangzhouChina
| | - Yuxiang Yao
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
| | - Chunhua Zhou
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Junqi Kuang
- Laboratory of Cell Fate Control, School of Life SciencesWestlake UniversityHangzhouChina
| | - Yihang Yang
- Laboratory of Cell Fate Control, School of Life SciencesWestlake UniversityHangzhouChina
| | - Huan Chen
- Center for Cell Lineage and AtlasBioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory)GuangzhouChina
| | - Yating Chen
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Joint School of Life Science, Guangzhou Institutes of Biomedicine and Health, Chinese Academic and SciencesGuangzhou Medical UniversityGuangzhouChina
| | - Sihua Ou
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Joint School of Life Science, Guangzhou Institutes of Biomedicine and Health, Chinese Academic and SciencesGuangzhou Medical UniversityGuangzhouChina
| | - Lijun Chen
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Joint School of Life Science, Guangzhou Institutes of Biomedicine and Health, Chinese Academic and SciencesGuangzhou Medical UniversityGuangzhouChina
| | - Fang Wu
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Ning Guo
- Laboratory of Cell Fate Control, School of Life SciencesWestlake UniversityHangzhouChina
| | - Yapei Yuan
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
| | - Xiangyu Zhang
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
| | - Wei Pang
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
| | - Ziyu Feng
- Center for Cell Lineage and AtlasBioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory)GuangzhouChina
| | - Shengyong Yu
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Jing Liu
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouChina
- University of the Chinese Academy of SciencesBeijingChina
- Center for Cell Lineage and AtlasBioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory)GuangzhouChina
| | - Shangtao Cao
- Center for Cell Lineage and AtlasBioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory)GuangzhouChina
- Guangzhou LaboratoryGuangzhouChina
| | - Duanqing Pei
- Laboratory of Cell Fate Control, School of Life SciencesWestlake UniversityHangzhouChina
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41
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Lim WA. The emerging era of cell engineering: Harnessing the modularity of cells to program complex biological function. Science 2022; 378:848-852. [DOI: 10.1126/science.add9665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A new era of biological engineering is emerging in which living cells are used as building blocks to address therapeutic challenges. These efforts are distinct from traditional molecular engineering—their focus is not on optimizing individual genes and proteins as therapeutics, but rather on using molecular components as modules to reprogram how cells make decisions and communicate to achieve higher-order physiological functions in vivo. This cell-centric approach is enabled by a growing tool kit of components that can synthetically control core cell-level functional outputs, such as where in the body a cell should go, what other cells it should interact with, and what messages it should transmit or receive. The power of cell engineering has been clinically validated by the development of immune cells designed to kill cancer. This same tool kit for rewiring cell connectivity is beginning to be used to engineer cell therapies for a host of other diseases and to program the self-organization of tissues and organs. By forcing the conceptual distillation of complex biological functions into a finite set of instructions that operate at the cell level, these efforts also shed light on the fundamental hierarchical logic that links molecular components to higher-order physiological function.
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Affiliation(s)
- Wendell A. Lim
- Cell Design Institute and Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA
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42
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Tsujimoto H, Katagiri N, Ijiri Y, Sasaki B, Kobayashi Y, Mima A, Ryosaka M, Furuyama K, Kawaguchi Y, Osafune K. In vitro methods to ensure absence of residual undifferentiated human induced pluripotent stem cells intermingled in induced nephron progenitor cells. PLoS One 2022; 17:e0275600. [PMID: 36378656 PMCID: PMC9665373 DOI: 10.1371/journal.pone.0275600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/20/2022] [Indexed: 11/16/2022] Open
Abstract
Cell therapies using human induced pluripotent stem cell (hiPSC)-derived nephron progenitor cells (NPCs) are expected to ameliorate acute kidney injury (AKI). However, using hiPSC-derived NPCs clinically is a challenge because hiPSCs themselves are tumorigenic. LIN28A, ESRG, CNMD and SFRP2 transcripts have been used as a marker of residual hiPSCs for a variety of cell types undergoing clinical trials. In this study, by reanalyzing public databases, we found a baseline expression of LIN28A, ESRG, CNMD and SFRP2 in hiPSC-derived NPCs and several other cell types, suggesting LIN28A, ESRG, CNMD and SFRP2 are not always reliable markers for iPSC detection. As an alternative, we discovered a lncRNA marker gene, MIR302CHG, among many known and unknown iPSC markers, as highly differentially expressed between hiPSCs and NPCs, by RNA sequencing and quantitative RT-PCR (qRT-PCR) analyses. Using MIR302CHG as an hiPSC marker, we constructed two assay methods, a combination of magnetic bead-based enrichment and qRT-PCR and digital droplet PCR alone, to detect a small number of residual hiPSCs in NPC populations. The use of these in vitro assays could contribute to patient safety in treatments using hiPSC-derived cells.
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Affiliation(s)
- Hiraku Tsujimoto
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
- * E-mail: (KO); (HT)
| | - Naoko Katagiri
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Yoshihiro Ijiri
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Ben Sasaki
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Yoshifumi Kobayashi
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Akira Mima
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Makoto Ryosaka
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Kenichiro Furuyama
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Yoshiya Kawaguchi
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Kenji Osafune
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- * E-mail: (KO); (HT)
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43
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Ideno H, Imaizumi K, Shimada H, Sanosaka T, Nemoto A, Kohyama J, Okano H. Human PSCs determine the competency of cerebral organoid differentiation via FGF signaling and epigenetic mechanisms. iScience 2022; 25:105140. [PMID: 36185382 PMCID: PMC9523398 DOI: 10.1016/j.isci.2022.105140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 08/06/2022] [Accepted: 09/10/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Hirosato Ideno
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Kent Imaizumi
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
- Corresponding author
| | - Hiroko Shimada
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Tsukasa Sanosaka
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Akisa Nemoto
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Jun Kohyama
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
- Corresponding author
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44
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Sanchez PGL, Mochulska V, Mauffette Denis C, Mönke G, Tomita T, Tsuchida-Straeten N, Petersen Y, Sonnen K, François P, Aulehla A. Arnold tongue entrainment reveals dynamical principles of the embryonic segmentation clock. eLife 2022; 11:79575. [PMID: 36223168 PMCID: PMC9560162 DOI: 10.7554/elife.79575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Living systems exhibit an unmatched complexity, due to countless, entangled interactions across scales. Here, we aim to understand a complex system, that is, segmentation timing in mouse embryos, without a reference to these detailed interactions. To this end, we develop a coarse-grained approach, in which theory guides the experimental identification of the segmentation clock entrainment responses. We demonstrate period- and phase-locking of the segmentation clock across a wide range of entrainment parameters, including higher-order coupling. These quantifications allow to derive the phase response curve (PRC) and Arnold tongues of the segmentation clock, revealing its essential dynamical properties. Our results indicate that the somite segmentation clock has characteristics reminiscent of a highly non-linear oscillator close to an infinite period bifurcation and suggests the presence of long-term feedbacks. Combined, this coarse-grained theoretical-experimental approach reveals how we can derive simple, essential features of a highly complex dynamical system, providing precise experimental control over the pace and rhythm of the somite segmentation clock.
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Affiliation(s)
| | | | | | - Gregor Mönke
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit
| | - Takehito Tomita
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit
| | | | - Yvonne Petersen
- European Molecular Biology Laboratory (EMBL), Transgenic Service
| | - Katharina Sonnen
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit
| | | | - Alexander Aulehla
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit
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45
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Ni P, Ma Y, Chung S. Mitochondrial dysfunction in psychiatric disorders. Schizophr Res 2022:S0920-9964(22)00333-4. [PMID: 36175250 DOI: 10.1016/j.schres.2022.08.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 08/25/2022] [Accepted: 08/30/2022] [Indexed: 11/30/2022]
Abstract
Psychiatric disorders are a heterogeneous group of mental disorders with abnormal mental or behavioral patterns, which severely distress or disable affected individuals and can have a grave socioeconomic burden. Growing evidence indicates that mitochondrial function plays an important role in developing psychiatric disorders. This review discusses the neuropsychiatric consequences of mitochondrial abnormalities in both animal models and patients. We also discuss recent studies associated with compromised mitochondrial function in various psychiatric disorders, such as schizophrenia (SCZ), major depressive disorder (MD), and bipolar disorders (BD). These studies employ various approaches including postmortem studies, imaging studies, genetic studies, and induced pluripotent stem cells (iPSCs) studies. We also summarize the evidence from animal models and clinical trials to support mitochondrial function as a potential therapeutic target to treat various psychiatric disorders. This review will contribute to furthering our understanding of the metabolic etiology of various psychiatric disorders, and help guide the development of optimal therapies.
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Affiliation(s)
- Peiyan Ni
- The Psychiatric Laboratory and Mental Health Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China.
| | - Yao Ma
- The Psychiatric Laboratory and Mental Health Center, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
| | - Sangmi Chung
- Department of Cell Biology and Anatomy, New York Medical College, Valhalla, NY 10595, USA.
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46
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Microfeature Segmentation Algorithm for Biological Images Using Improved Density Peak Clustering. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:8630449. [PMID: 36035280 PMCID: PMC9410864 DOI: 10.1155/2022/8630449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022]
Abstract
To address the problem of low precision in feature segmentation of biological images with large noise, a microfeature segmentation algorithm for biological images using improved density peak clustering was proposed. First, the center pixel and edge information of a biological image were obtained to remove some redundant information. The three-dimensional space of the image is constructed, and the coordinate system is used to describe every superpixel of the biological image. Second, the image symmetry and reversibility are used to obtain the stopping position of pixels, other adjacent points are used to obtain the current color and shape information, and more vectors are used to express the density to complete the image pretreatment. Finally, the improved density peak clustering method is used to cluster the image, and the pixels completed by clustering and the remaining pixels are evenly distributed into the space to segment the image so as to complete the microfeature segmentation of the biological image based on the improved density peak clustering method. The results show that the proposed algorithm improves the segmentation efficiency, segmentation integrity rate, and segmentation accuracy. The time consumed by the proposed biological image microfeature segmentation algorithm is always less than 2 minutes, and the segmentation integrity rate can reach more than 90%. Furthermore, the proposed algorithm can reduce the missing condition and the noise of the segmented image and improve the image feature segmentation effect.
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Carraco G, Martins-Jesus AP, Andrade RP. The vertebrate Embryo Clock: Common players dancing to a different beat. Front Cell Dev Biol 2022; 10:944016. [PMID: 36036002 PMCID: PMC9403190 DOI: 10.3389/fcell.2022.944016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/11/2022] [Indexed: 11/25/2022] Open
Abstract
Vertebrate embryo somitogenesis is the earliest morphological manifestation of the characteristic patterned structure of the adult axial skeleton. Pairs of somites flanking the neural tube are formed periodically during early development, and the molecular mechanisms in temporal control of this early patterning event have been thoroughly studied. The discovery of a molecular Embryo Clock (EC) underlying the periodicity of somite formation shed light on the importance of gene expression dynamics for pattern formation. The EC is now known to be present in all vertebrate organisms studied and this mechanism was also described in limb development and stem cell differentiation. An outstanding question, however, remains unanswered: what sets the different EC paces observed in different organisms and tissues? This review aims to summarize the available knowledge regarding the pace of the EC, its regulation and experimental manipulation and to expose new questions that might help shed light on what is still to unveil.
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Affiliation(s)
- Gil Carraco
- ABC-RI, Algarve Biomedical Center Research Institute, Faro, Portugal
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, Faro, Portugal
| | | | - Raquel P. Andrade
- ABC-RI, Algarve Biomedical Center Research Institute, Faro, Portugal
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, Faro, Portugal
- Champalimaud Research Program, Champalimaud Center for the Unknown, Lisbon, Portugal
- *Correspondence: Raquel P. Andrade,
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Common Ground between Biological Rhythms and Forensics. BIOLOGY 2022; 11:biology11071071. [PMID: 36101448 PMCID: PMC9312156 DOI: 10.3390/biology11071071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 11/16/2022]
Abstract
Simple Summary Biological clocks regulate the timing of numerous body functions in adaption to daily repeating cycles in the environment, such as the sleep–wake phases that are trained by the cycling changes of night and day light. The identification of a deceased victim is a critical component in a forensic investigation, but it can be significantly hampered by the condition of the dead body and the lack of personal records and documents. This review links current knowledge on the molecular mechanisms of biological rhythms to forensically relevant aspects, including the time period since death, cause of death, the use of insects for forensics, sex and age of a person, ethnic background and development. Putting these findings in context demonstrates how the analysis of molecular clock analysis could be used as tool for future personal identification in forensic investigations. Abstract Biological clocks set the timing for a large number of essential processes in the living human organism. After death, scientific evidence is required in forensic investigations in order to collect as much information as possible on the death circumstances and personal identifiers of the deceased victim. We summarize the associations between the molecular mechanisms of biological rhythms and forensically relevant aspects, including post-mortem interval and cause of death, entomological findings, sex, age, ethnicity and development. Given their importance during lifetime, biological rhythms could be potential tools to draw conclusions on the death circumstances and the identity of a deceased person by mechanistic investigations of the different biological clocks in a forensic context. This review puts the known effects of biological rhythms on the functions of the human organism in context with potential applications in forensic fields of interest, such as personal identification, entomology as well as the determination of the post-mortem interval and cause of death.
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Yamane J, Wada T, Otsuki H, Inomata K, Suzuki M, Hisaki T, Sekine S, Kouzuki H, Kobayashi K, Sone H, Yamashita JK, Osawa M, Saito MK, Fujibuchi W. StemPanTox: A fast and wide-target drug assessment system for tailor-made safety evaluations using personalized iPS cells. iScience 2022; 25:104538. [PMID: 35754715 PMCID: PMC9218511 DOI: 10.1016/j.isci.2022.104538] [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: 12/21/2021] [Revised: 03/29/2022] [Accepted: 06/01/2022] [Indexed: 11/26/2022] Open
Abstract
An alternative model that reliably predicts human-specific toxicity is necessary because the translatability of effects on animal models for human disease is limited to context. Previously, we developed a method that accurately predicts developmental toxicity based on the gene networks of undifferentiated human embryonic stem (ES) cells. Here, we advanced this method to predict adult toxicities of 24 chemicals in six categories (neurotoxins, cardiotoxins, hepatotoxins, two types of nephrotoxins, and non-genotoxic carcinogens) and achieved high predictability (AUC = 0.90-1.00) in all categories. Moreover, we screened for an induced pluripotent stem (iPS) cell line to predict the toxicities based on the gene networks of iPS cells using transfer learning of the gene networks of ES cells, and predicted toxicities in four categories (neurotoxins, hepatotoxins, glomerular nephrotoxins, and non-genotoxic carcinogens) with high performance (AUC = 0.82-0.99). This method holds promise for tailor-made safety evaluations using personalized iPS cells.
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Affiliation(s)
- Junko Yamane
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Takumi Wada
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hironori Otsuki
- Toxicological Research Laboratories, Translational Research Unit, R&D Division, Kyowa Kirin Co., Ltd., 1188 Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka 411-8731, Japan
| | - Koji Inomata
- Toxicological Research Laboratories, Translational Research Unit, R&D Division, Kyowa Kirin Co., Ltd., 1188 Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka 411-8731, Japan
| | - Mutsumi Suzuki
- Toxicological Research Laboratories, Translational Research Unit, R&D Division, Kyowa Kirin Co., Ltd., 1188 Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka 411-8731, Japan
| | - Tomoka Hisaki
- MIRAI Technology Institute, Shiseido Co., Ltd., 1-2-11, Takashima, Nishi-ku, Yokohama-shi, Kanagawa 220-0011, Japan
| | - Shuichi Sekine
- MIRAI Technology Institute, Shiseido Co., Ltd., 1-2-11, Takashima, Nishi-ku, Yokohama-shi, Kanagawa 220-0011, Japan
| | - Hirokazu Kouzuki
- MIRAI Technology Institute, Shiseido Co., Ltd., 1-2-11, Takashima, Nishi-ku, Yokohama-shi, Kanagawa 220-0011, Japan
| | - Kenta Kobayashi
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hideko Sone
- Environmental Health and Prevention Research Unit, Yokohama University of Pharmacy, 601 Matano-cho, Totsuka-ku, Yokohama-shi, Kanagawa 245-0066, Japan
| | - Jun K Yamashita
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Mitsujiro Osawa
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Megumu K Saito
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Wataru Fujibuchi
- Center for IPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
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Bochter MS, Servello D, Kakuda S, D'Amico R, Ebetino MF, Haltiwanger RS, Cole SE. Lfng and Dll3 cooperate to modulate protein interactions in cis and coordinate oscillatory Notch pathway activation in the segmentation clock. Dev Biol 2022; 487:42-56. [PMID: 35429490 PMCID: PMC9923780 DOI: 10.1016/j.ydbio.2022.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 03/14/2022] [Accepted: 04/08/2022] [Indexed: 01/11/2023]
Abstract
In mammalian development, oscillatory activation of Notch signaling is required for segmentation clock function during somitogenesis. Notch activity oscillations are synchronized between neighboring cells in the presomitic mesoderm (PSM) and have a period that matches the rate of somite formation. Normal clock function requires cyclic expression of the Lunatic fringe (LFNG) glycosyltransferase, as well as expression of the inhibitory Notch ligand Delta-like 3 (DLL3). How these factors coordinate Notch activation in the clock is not well understood. Recent evidence suggests that LFNG can act in a signal-sending cell to influence Notch activity in the clock, raising the possibility that in this context, glycosylation of Notch pathway proteins by LFNG may affect ligand activity. Here we dissect the genetic interactions of Lfng and Dll3 specifically in the segmentation clock and observe distinctions in the skeletal and clock phenotypes of mutant embryos showing that paradoxically, loss of Dll3 is associated with strong reductions in Notch activity in the caudal PSM. The patterns of Notch activity in the PSM suggest that the loss of Dll3 is epistatic to the loss of Lfng in the segmentation clock, and we present direct evidence for the modification of several DLL1 and DLL3 EGF-repeats by LFNG. We further demonstrate that DLL3 expression in cells co-expressing DLL1 and NOTCH1 can potentiate a cell's signal-sending activity and that this effect is modulated by LFNG, suggesting a mechanism for coordinated regulation of oscillatory Notch activation in the clock by glycosylation and cis-inhibition.
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Affiliation(s)
- Matthew S Bochter
- The Department of Molecular Genetics, The Ohio State University. Columbus, OH, 43210, USA
| | - Dustin Servello
- The Department of Molecular Genetics, The Ohio State University. Columbus, OH, 43210, USA
| | - Shinako Kakuda
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Rachel D'Amico
- The Department of Molecular Genetics, The Ohio State University. Columbus, OH, 43210, USA
| | - Meaghan F Ebetino
- The Department of Molecular Genetics, The Ohio State University. Columbus, OH, 43210, USA
| | - Robert S Haltiwanger
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, 11794, USA; Department of Biochemistry and Molecular Biology, Complex Carbohydrate Research Center, University of Georgia, Athens, GA, 30602, USA
| | - Susan E Cole
- The Department of Molecular Genetics, The Ohio State University. Columbus, OH, 43210, USA.
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