1
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Alvarez YD, van der Spuy M, Wang JX, Noordstra I, Tan SZ, Carroll M, Yap AS, Serralbo O, White MD. A Lifeact-EGFP quail for studying actin dynamics in vivo. J Cell Biol 2024; 223:e202404066. [PMID: 38913324 PMCID: PMC11194674 DOI: 10.1083/jcb.202404066] [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: 04/12/2024] [Revised: 05/15/2024] [Accepted: 06/03/2024] [Indexed: 06/25/2024] Open
Abstract
Here, we report the generation of a transgenic Lifeact-EGFP quail line for the investigation of actin organization and dynamics during morphogenesis in vivo. This transgenic avian line allows for the high-resolution visualization of actin structures within the living embryo, from the subcellular filaments that guide cell shape to the supracellular assemblies that coordinate movements across tissues. The unique suitability of avian embryos to live imaging facilitates the investigation of previously intractable processes during embryogenesis. Using high-resolution live imaging approaches, we present the dynamic behaviors and morphologies of cellular protrusions in different tissue contexts. Furthermore, through the integration of live imaging with computational segmentation, we visualize cells undergoing apical constriction and large-scale actin structures such as multicellular rosettes within the neuroepithelium. These findings not only enhance our understanding of tissue morphogenesis but also demonstrate the utility of the Lifeact-EGFP transgenic quail as a new model system for live in vivo investigations of the actin cytoskeleton.
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Affiliation(s)
- Yanina D. Alvarez
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Marise van der Spuy
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Jian Xiong Wang
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Ivar Noordstra
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Siew Zhuan Tan
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Murron Carroll
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Alpha S. Yap
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Olivier Serralbo
- Commonwealth Scientific and Industrial Research (CSIRO) Health and Biosecurity, Geelong, Australia
| | - Melanie D. White
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
- School of Biomedical Sciences, The University of Queensland, Brisbane, Australia
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2
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Maniou E, Todros S, Urciuolo A, Moulding DA, Magnussen M, Ampartzidis I, Brandolino L, Bellet P, Giomo M, Pavan PG, Galea GL, Elvassore N. Quantifying mechanical forces during vertebrate morphogenesis. NATURE MATERIALS 2024:10.1038/s41563-024-01942-9. [PMID: 38969783 DOI: 10.1038/s41563-024-01942-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 06/05/2024] [Indexed: 07/07/2024]
Abstract
Morphogenesis requires embryonic cells to generate forces and perform mechanical work to shape their tissues. Incorrect functioning of these force fields can lead to congenital malformations. Understanding these dynamic processes requires the quantification and profiling of three-dimensional mechanics during evolving vertebrate morphogenesis. Here we describe elastic spring-like force sensors with micrometre-level resolution, fabricated by intravital three-dimensional bioprinting directly in the closing neural tubes of growing chicken embryos. Integration of calibrated sensor read-outs with computational mechanical modelling allows direct quantification of the forces and work performed by the embryonic tissues. As they displace towards the embryonic midline, the two halves of the closing neural tube reach a compression of over a hundred nano-newtons during neural fold apposition. Pharmacological inhibition of Rho-associated kinase to decrease the pro-closure force shows the existence of active anti-closure forces, which progressively widen the neural tube and must be overcome to achieve neural tube closure. Overall, our approach and findings highlight the intricate interplay between mechanical forces and tissue morphogenesis.
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Affiliation(s)
- Eirini Maniou
- Developmental Biology and Cancer, UCL GOS Institute of Child Health, London, UK
- Department of Industrial Engineering, University of Padua, Padua, Italy
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Silvia Todros
- Department of Industrial Engineering, University of Padua, Padua, Italy
| | - Anna Urciuolo
- Developmental Biology and Cancer, UCL GOS Institute of Child Health, London, UK
- Istituto di Ricerca Pediatrica, Fondazione Città della Speranza, Padua, Italy
- Department of Molecular Medicine, University of Padua, Padua, Italy
| | - Dale A Moulding
- Developmental Biology and Cancer, UCL GOS Institute of Child Health, London, UK
| | - Michael Magnussen
- Developmental Biology and Cancer, UCL GOS Institute of Child Health, London, UK
| | - Ioakeim Ampartzidis
- Developmental Biology and Cancer, UCL GOS Institute of Child Health, London, UK
| | - Luca Brandolino
- Department of Industrial Engineering, University of Padua, Padua, Italy
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Pietro Bellet
- Department of Industrial Engineering, University of Padua, Padua, Italy
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Monica Giomo
- Department of Industrial Engineering, University of Padua, Padua, Italy
| | - Piero G Pavan
- Department of Industrial Engineering, University of Padua, Padua, Italy
- Istituto di Ricerca Pediatrica, Fondazione Città della Speranza, Padua, Italy
| | - Gabriel L Galea
- Developmental Biology and Cancer, UCL GOS Institute of Child Health, London, UK.
| | - Nicola Elvassore
- Department of Industrial Engineering, University of Padua, Padua, Italy.
- Veneto Institute of Molecular Medicine, Padua, Italy.
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3
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Mezzacappa C, Komiya Y, Habas R. Reversion induced LIM domain protein (RIL) is a Daam1-interacting protein and regulator of the actin cytoskeleton during non-canonical Wnt signaling. Dev Biol 2024; 515:46-58. [PMID: 38968989 DOI: 10.1016/j.ydbio.2024.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 06/26/2024] [Accepted: 06/29/2024] [Indexed: 07/07/2024]
Abstract
The Daam1 protein regulates Wnt-induced cytoskeletal changes during vertebrate gastrulation though its full mode of action and binding partners remain unresolved. Here we identify Reversion Induced LIM domain protein (RIL) as a new interacting protein of Daam1. Interaction studies uncover binding of RIL to the C-terminal actin-nucleating portion of Daam1 in a Wnt-responsive manner. Immunofluorescence studies showed subcellular localization of RIL to actin fibers and co-localization with Daam1 at the plasma membrane. RIL gain- and loss-of-function approaches in Xenopus produced severe gastrulation defects in injected embryos. Additionally, a simultaneous loss of Daam1 and RIL synergized to produce severe gastrulation defects indicating RIL and Daam1 may function in the same signaling pathway. RIL further synergizes with another novel Daam1-interacting protein, Formin Binding Protein 1 (FNBP1), to regulate gastrulation. Our studies altogether show RIL mediates Daam1-regulated non-canonical Wnt signaling that is required for vertebrate gastrulation.
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Affiliation(s)
| | - Yuko Komiya
- Department of Biology, Temple University, Philadelphia, PA, 19122, USA
| | - Raymond Habas
- Department of Biology, Temple University, Philadelphia, PA, 19122, USA.
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4
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Lundin BF, Knight GT, Fedorchak NJ, Krucki K, Iyer N, Maher JE, Izban NR, Roberts A, Cicero MR, Robinson JF, Iskandar BJ, Willett R, Ashton RS. RosetteArray ® Platform for Quantitative High-Throughput Screening of Human Neurodevelopmental Risk. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.01.587605. [PMID: 38798648 PMCID: PMC11118315 DOI: 10.1101/2024.04.01.587605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Neural organoids have revolutionized how human neurodevelopmental disorders (NDDs) are studied. Yet, their utility for screening complex NDD etiologies and in drug discovery is limited by a lack of scalable and quantifiable derivation formats. Here, we describe the RosetteArray® platform's ability to be used as an off-the-shelf, 96-well plate assay that standardizes incipient forebrain and spinal cord organoid morphogenesis as micropatterned, 3-D, singularly polarized neural rosette tissues (>9000 per plate). RosetteArrays are seeded from cryopreserved human pluripotent stem cells, cultured over 6-8 days, and immunostained images can be quantified using artificial intelligence-based software. We demonstrate the platform's suitability for screening developmental neurotoxicity and genetic and environmental factors known to cause neural tube defect risk. Given the presence of rosette morphogenesis perturbation in neural organoid models of NDDs and neurodegenerative disorders, the RosetteArray platform could enable quantitative high-throughput screening (qHTS) of human neurodevelopmental risk across regulatory and precision medicine applications.
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Affiliation(s)
- Brady F. Lundin
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53705, USA
- Medical Scientist Training Program, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, 53705 USA
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Gavin T. Knight
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
- Neurosetta LLC, 330 N. Orchard Street Rm 4140A, Madison, WI 53715 USA
| | | | - Kevin Krucki
- Neurosetta LLC, 330 N. Orchard Street Rm 4140A, Madison, WI 53715 USA
| | - Nisha Iyer
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53705, USA
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Jack E. Maher
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Nicholas R. Izban
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Abilene Roberts
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Madeline R. Cicero
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Joshua F. Robinson
- Center of Reproductive Sciences, Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Bermans J. Iskandar
- Department of Neurological Surgery, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI 53705, USA
| | - Rebecca Willett
- Neurosetta LLC, 330 N. Orchard Street Rm 4140A, Madison, WI 53715 USA
- Departments of Statistics and Computer Science, University of Chicago, Chicago, IL 60637, USA
| | - Randolph S. Ashton
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53705, USA
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
- Neurosetta LLC, 330 N. Orchard Street Rm 4140A, Madison, WI 53715 USA
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5
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Yin X, Liang D, He SQ, Zhang LY, Xu GK. Local Mechanical Modulation-Driven Evagination in Invaginated Epithelia. NANO LETTERS 2024; 24:7069-7076. [PMID: 38808684 DOI: 10.1021/acs.nanolett.4c01636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Local cells can actively create reverse bending (evagination) in invaginated epithelia, which plays a crucial role in the formation of elaborate organisms. However, the precise physical mechanism driving the evagination remains elusive. Here, we present a three-dimensional vertex model, incorporating the intrinsic cell polarity, to explore the complex morphogenesis induced by local mechanical modulations. We find that invaginated tissues can spontaneously generate local reverse bending due to the shift of the apicobasal polarity. Their exact shapes can be analytically determined by the local apicobasal differential tension and the internal stress. Our continuum theory exhibits three regions in a phase diagram controlled by these two parameters, showing curvature transitions from ordered to disordered states. Additionally, we delve into epithelial curvature transition induced by the nucleus repositioning, revealing its active contribution to the apicobasal force generation. The uncovered mechanical principles could potentially guide more studies on epithelial folding in diverse systems.
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Affiliation(s)
- Xu Yin
- Laboratory for Multiscale Mechanics and Medical Science, Department of Engineering Mechanics, SVL, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Dong Liang
- Laboratory for Multiscale Mechanics and Medical Science, Department of Engineering Mechanics, SVL, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Shuang-Quan He
- Laboratory for Multiscale Mechanics and Medical Science, Department of Engineering Mechanics, SVL, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Li-Yuan Zhang
- School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Guang-Kui Xu
- Laboratory for Multiscale Mechanics and Medical Science, Department of Engineering Mechanics, SVL, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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6
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Suzuki M, Yasue N, Ueno N. Differential cellular stiffness across tissues that contribute to Xenopus neural tube closure. Dev Growth Differ 2024; 66:320-328. [PMID: 38925637 DOI: 10.1111/dgd.12936] [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: 04/30/2024] [Revised: 06/10/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024]
Abstract
During the formation of the neural tube, the primordium of the vertebrate central nervous system, the actomyosin activity of cells in different regions drives neural plate bending. However, how the stiffness of the neural plate and surrounding tissues is regulated and mechanically influences neural plate bending has not been elucidated. Here, we used atomic force microscopy to reveal the relationship between the stiffness of the neural plate and the mesoderm during Xenopus neural tube formation. Measurements with intact embryos revealed that the stiffness of the neural plate was consistently higher compared with the non-neural ectoderm and that it increased in an actomyosin activity-dependent manner during neural plate bending. Interestingly, measurements of isolated tissue explants also revealed that the relationship between the stiffness of the apical and basal sides of the neural plate was reversed during bending and that the stiffness of the mesoderm was lower than that of the basal side of the neural plate. The experimental elevation of mesoderm stiffness delayed neural plate bending, suggesting that low mesoderm stiffness mechanically supports neural tube closure. This study provides an example of mechanical interactions between tissues during large-scale morphogenetic movements.
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Affiliation(s)
- Makoto Suzuki
- Amphibian Research Center, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
- Division of Morphogenesis, National Institute for Basic Biology, National Institutes of Natural Sciences, Aichi, Japan
- Basic Biology Program, the Graduate University of Advanced Studies, Aichi, Japan
| | - Naoko Yasue
- Division of Morphogenesis, National Institute for Basic Biology, National Institutes of Natural Sciences, Aichi, Japan
| | - Naoto Ueno
- Division of Morphogenesis, National Institute for Basic Biology, National Institutes of Natural Sciences, Aichi, Japan
- Basic Biology Program, the Graduate University of Advanced Studies, Aichi, Japan
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7
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Torcq L, Majello S, Vivier C, Schmidt AA. Tuning apicobasal polarity and junctional recycling in the hemogenic endothelium orchestrates the morphodynamic complexity of emerging pre-hematopoietic stem cells. eLife 2024; 12:RP91429. [PMID: 38809590 PMCID: PMC11136496 DOI: 10.7554/elife.91429] [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: 05/30/2024] Open
Abstract
Hematopoietic stem cells emerge in the embryo from an aortic-derived tissue called the hemogenic endothelium (HE). The HE appears to give birth to cells of different nature and fate but the molecular principles underlying this complexity are largely unknown. Here we show, in the zebrafish embryo, that two cell types emerge from the aortic floor with radically different morphodynamics. With the support of live imaging, we bring evidence suggesting that the mechanics underlying the two emergence types rely, or not, on apicobasal polarity establishment. While the first type is characterized by reinforcement of apicobasal polarity and maintenance of the apical/luminal membrane until release, the second type emerges via a dynamic process reminiscent of trans-endothelial migration. Interfering with Runx1 function suggests that the balance between the two emergence types depends on tuning apicobasal polarity at the level of the HE. In support of this and unexpectedly, we show that Pard3ba - one of the four Pard3 proteins expressed in the zebrafish - is sensitive to interference with Runx1 activity, in aortic endothelial cells. This supports the idea of a signaling cross talk controlling cell polarity and its associated features, between aortic and hemogenic cells. In addition, using new transgenic fish lines that express Junctional Adhesion Molecules and functional interference, we bring evidence for the essential role of ArhGEF11/PDZ-RhoGEF in controlling the HE-endothelial cell dynamic interface, including cell-cell intercalation, which is ultimately required for emergence completion. Overall, we highlight critical cellular and dynamic events of the endothelial-to-hematopoietic transition that support emergence complexity, with a potential impact on cell fate.
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Affiliation(s)
- Léa Torcq
- Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris CitéParisFrance
- Sorbonne UniversitéParisFrance
| | - Sara Majello
- Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris CitéParisFrance
| | - Catherine Vivier
- Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris CitéParisFrance
| | - Anne A Schmidt
- Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris CitéParisFrance
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8
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Jackson JA, Denk-Lobnig M, Kitzinger KA, Martin AC. Change in RhoGAP and RhoGEF availability drives transitions in cortical patterning and excitability in Drosophila. Curr Biol 2024; 34:2132-2146.e5. [PMID: 38688282 PMCID: PMC11111359 DOI: 10.1016/j.cub.2024.04.021] [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: 11/08/2023] [Revised: 02/13/2024] [Accepted: 04/09/2024] [Indexed: 05/02/2024]
Abstract
Actin cortex patterning and dynamics are critical for cell shape changes. These dynamics undergo transitions during development, often accompanying changes in collective cell behavior. Although mechanisms have been established for individual cells' dynamic behaviors, the mechanisms and specific molecules that result in developmental transitions in vivo are still poorly understood. Here, we took advantage of two developmental systems in Drosophila melanogaster to identify conditions that altered cortical patterning and dynamics. We identified a Rho guanine nucleotide exchange factor (RhoGEF) and Rho GTPase activating protein (RhoGAP) pair required for actomyosin waves in egg chambers. Specifically, depletion of the RhoGEF, Ect2, or the RhoGAP, RhoGAP15B, disrupted actomyosin wave induction, and both proteins relocalized from the nucleus to the cortex preceding wave formation. Furthermore, we found that overexpression of a different RhoGEF and RhoGAP pair, RhoGEF2 and Cumberland GAP (C-GAP), resulted in actomyosin waves in the early embryo, during which RhoA activation precedes actomyosin assembly by ∼4 s. We found that C-GAP was recruited to actomyosin waves, and disrupting F-actin polymerization altered the spatial organization of both RhoA signaling and the cytoskeleton in waves. In addition, disrupting F-actin dynamics increased wave period and width, consistent with a possible role for F-actin in promoting delayed negative feedback. Overall, we showed a mechanism involved in inducing actomyosin waves that is essential for oocyte development and is general to other cell types, such as epithelial and syncytial cells.
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Affiliation(s)
- Jonathan A Jackson
- Department of Biology, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, USA; Graduate Program in Biophysics, Harvard University, 86 Brattle Street, Cambridge, MA 02138, USA
| | - Marlis Denk-Lobnig
- Department of Biophysics, University of Michigan, 1109 Geddes Ave., Ann Arbor, MI 48109, USA
| | - Katherine A Kitzinger
- Department of Biology, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, USA
| | - Adam C Martin
- Department of Biology, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, USA.
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9
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Paramore SV, Trenado-Yuste C, Sharan R, Nelson CM, Devenport D. Vangl-dependent mesenchymal thinning shapes the distal lung during murine sacculation. Dev Cell 2024; 59:1302-1316.e5. [PMID: 38569553 PMCID: PMC11111357 DOI: 10.1016/j.devcel.2024.03.010] [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: 01/06/2023] [Revised: 10/18/2023] [Accepted: 03/08/2024] [Indexed: 04/05/2024]
Abstract
The planar cell polarity (PCP) complex is speculated to function in murine lung development, where branching morphogenesis generates an epithelial tree whose distal tips expand dramatically during sacculation. Here, we show that PCP is dispensable in the airway epithelium for sacculation. Rather, we find a Celsr1-independent role for the PCP component Vangl in the pulmonary mesenchyme: loss of Vangl1/2 inhibits mesenchymal thinning and expansion of the saccular epithelium. Further, loss of mesenchymal Wnt5a mimics sacculation defects observed in Vangl2-mutant lungs, implicating mesenchymal Wnt5a/Vangl signaling as a key regulator of late lung morphogenesis. A computational model predicts that sacculation requires a fluid mesenchymal compartment. Lineage-tracing and cell-shape analyses are consistent with the mesenchyme acting as a fluid tissue, suggesting that loss of Vangl1/2 impacts the ability of mesenchymal cells to exchange neighbors. Our data thus identify an explicit function for Vangl and the pulmonary mesenchyme in actively shaping the saccular epithelium.
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Affiliation(s)
- Sarah V Paramore
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA
| | - Carolina Trenado-Yuste
- Department of Chemical & Biological Engineering, Princeton University, Princeton, NJ 08544, USA; Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
| | - Rishabh Sharan
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
| | - Celeste M Nelson
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA; Department of Chemical & Biological Engineering, Princeton University, Princeton, NJ 08544, USA.
| | - Danelle Devenport
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA.
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10
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Kacker S, Parsad V, Singh N, Hordiichuk D, Alvarez S, Gohar M, Kacker A, Rai SK. Planar Cell Polarity Signaling: Coordinated Crosstalk for Cell Orientation. J Dev Biol 2024; 12:12. [PMID: 38804432 PMCID: PMC11130840 DOI: 10.3390/jdb12020012] [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: 01/28/2024] [Revised: 04/08/2024] [Accepted: 04/13/2024] [Indexed: 05/29/2024] Open
Abstract
The planar cell polarity (PCP) system is essential for positioning cells in 3D networks to establish the proper morphogenesis, structure, and function of organs during embryonic development. The PCP system uses inter- and intracellular feedback interactions between components of the core PCP, characterized by coordinated planar polarization and asymmetric distribution of cell populations inside the cells. PCP signaling connects the anterior-posterior to left-right embryonic plane polarity through the polarization of cilia in the Kupffer's vesicle/node in vertebrates. Experimental investigations on various genetic ablation-based models demonstrated the functions of PCP in planar polarization and associated genetic disorders. This review paper aims to provide a comprehensive overview of PCP signaling history, core components of the PCP signaling pathway, molecular mechanisms underlying PCP signaling, interactions with other signaling pathways, and the role of PCP in organ and embryonic development. Moreover, we will delve into the negative feedback regulation of PCP to maintain polarity, human genetic disorders associated with PCP defects, as well as challenges associated with PCP.
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Affiliation(s)
- Sandeep Kacker
- Department of Pharmacology, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis;
| | - Varuneshwar Parsad
- Department of Human Body Structure and Function, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis; (V.P.); (D.H.)
| | - Naveen Singh
- Department of Cerll and Molecular Biology, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis; (N.S.); (S.A.); (M.G.)
| | - Daria Hordiichuk
- Department of Human Body Structure and Function, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis; (V.P.); (D.H.)
| | - Stacy Alvarez
- Department of Cerll and Molecular Biology, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis; (N.S.); (S.A.); (M.G.)
| | - Mahnoor Gohar
- Department of Cerll and Molecular Biology, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis; (N.S.); (S.A.); (M.G.)
| | - Anshu Kacker
- Department of Histology and Human Physiology, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis;
| | - Sunil Kumar Rai
- Department of Cerll and Molecular Biology, Medical University of the Americas, Charlestown KN 1102, Saint Kitts and Nevis; (N.S.); (S.A.); (M.G.)
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11
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Tamilselvan E, Sotomayor M. CELSR1, a core planar cell polarity protein, features a weakly adhesive and flexible cadherin ectodomain. Structure 2024; 32:476-491.e5. [PMID: 38307021 DOI: 10.1016/j.str.2024.01.003] [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: 05/14/2023] [Revised: 09/30/2023] [Accepted: 01/08/2024] [Indexed: 02/04/2024]
Abstract
Planar cell polarity (PCP), essential to multicellular developmental processes, arises when cells polarize and align across tissues. Central to PCP is CELSR1, an atypical cadherin featuring a long ectodomain with nine extracellular cadherin (EC) repeats, a membrane adjacent domain (MAD10), and several characteristic adhesion GPCR domains. Cell-based aggregation assays have demonstrated CELSR1's homophilic adhesive nature, but mechanistic details are missing. Here, we investigate the possible adhesive properties and structures of CELSR1 EC repeats. Our bead aggregation assays do not support strong adhesion by EC repeats alone. Consistently, EC1-4 only dimerizes at high concentration in solution. Crystal structures of human CELSR1 EC1-4 and EC4-7 reveal typical folds and a non-canonical linker between EC5 and EC6. Simulations and experiments using EC4-7 indicate flexibility at EC5-6, and solution experiments show EC7-MAD10-mediated dimerization. Our results suggest weak homophilic adhesion by CELSR1 cadherin repeats and provide mechanistic insights into the structural determinants of CELSR1 function.
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Affiliation(s)
- Elakkiya Tamilselvan
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA; Biophysics Program, The Ohio State University, Columbus, OH 43210, USA
| | - Marcos Sotomayor
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA; Biophysics Program, The Ohio State University, Columbus, OH 43210, USA.
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Stegmann JD, Kalanithy JC, Dworschak GC, Ishorst N, Mingardo E, Lopes FM, Ho YM, Grote P, Lindenberg TT, Yilmaz Ö, Channab K, Seltzsam S, Shril S, Hildebrandt F, Boschann F, Heinen A, Jolly A, Myers K, McBride K, Bekheirnia MR, Bekheirnia N, Scala M, Morleo M, Nigro V, Torella A, Pinelli M, Capra V, Accogli A, Maitz S, Spano A, Olson RJ, Klee EW, Lanpher BC, Jang SS, Chae JH, Steinbauer P, Rieder D, Janecke AR, Vodopiutz J, Vogel I, Blechingberg J, Cohen JL, Riley K, Klee V, Walsh LE, Begemann M, Elbracht M, Eggermann T, Stoppe A, Stuurman K, van Slegtenhorst M, Barakat TS, Mulhern MS, Sands TT, Cytrynbaum C, Weksberg R, Isidori F, Pippucci T, Severi G, Montanari F, Kruer MC, Bakhtiari S, Darvish H, Reutter H, Hagelueken G, Geyer M, Woolf AS, Posey JE, Lupski JR, Odermatt B, Hilger AC. Bi-allelic variants in CELSR3 are implicated in central nervous system and urinary tract anomalies. NPJ Genom Med 2024; 9:18. [PMID: 38429302 PMCID: PMC10907620 DOI: 10.1038/s41525-024-00398-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/26/2024] [Indexed: 03/03/2024] Open
Abstract
CELSR3 codes for a planar cell polarity protein. We describe twelve affected individuals from eleven independent families with bi-allelic variants in CELSR3. Affected individuals presented with an overlapping phenotypic spectrum comprising central nervous system (CNS) anomalies (7/12), combined CNS anomalies and congenital anomalies of the kidneys and urinary tract (CAKUT) (3/12) and CAKUT only (2/12). Computational simulation of the 3D protein structure suggests the position of the identified variants to be implicated in penetrance and phenotype expression. CELSR3 immunolocalization in human embryonic urinary tract and transient suppression and rescue experiments of Celsr3 in fluorescent zebrafish reporter lines further support an embryonic role of CELSR3 in CNS and urinary tract formation.
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Affiliation(s)
- Jil D Stegmann
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, 53127, Germany.
- Institute of Anatomy and Cell Biology, Medical Faculty, University of Bonn, Bonn, 53115, Germany.
| | - Jeshurun C Kalanithy
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, 53127, Germany
- Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Gabriel C Dworschak
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, 53127, Germany
- Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, 53115, Germany
- Department of Neuropediatrics, University Hospital Bonn, Bonn, 53127, Germany
| | - Nina Ishorst
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, 53127, Germany
- Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Enrico Mingardo
- Institute of Anatomy and Cell Biology, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Filipa M Lopes
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Yee Mang Ho
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Phillip Grote
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, 60596, Frankfurt am Main, Germany
| | - Tobias T Lindenberg
- Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Öznur Yilmaz
- Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Khadija Channab
- Institute of Anatomy and Cell Biology, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Steve Seltzsam
- Division of Nephrology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Shirlee Shril
- Division of Nephrology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Friedhelm Hildebrandt
- Division of Nephrology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Felix Boschann
- Institute of Medical Genetics and Human Genetics, Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - André Heinen
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Angad Jolly
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
- Medical Scientist Training Program, Baylor College of Medicine, Houston, TX, USA
| | - Katherine Myers
- Center for Cardiovascular Research, Nationwide Children's Hospital, Department of Pediatrics, Ohio State University, Columbus, OH, USA
| | - Kim McBride
- Center for Cardiovascular Research, Nationwide Children's Hospital, Department of Pediatrics, Ohio State University, Columbus, OH, USA
| | - Mir Reza Bekheirnia
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
- Department of Pediatrics, Renal Service, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Nasim Bekheirnia
- Department of Pediatrics, Renal Service, Texas Children's Hospital, Houston, TX, 77030, USA
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Marcello Scala
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132, Genoa, Italy
- U.O.C. Genetica Medica, IRCCS Istituto Giannina Gaslini, 16147, Genoa, Italy
| | - Manuela Morleo
- Medical Genetics, Department of Precision Medicine, Università degli Studi della Campania 'Luigi Vanvitelli', via Luigi De Crecchio 7, 80138, Naples, Italy
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Vincenzo Nigro
- Medical Genetics, Department of Precision Medicine, Università degli Studi della Campania 'Luigi Vanvitelli', via Luigi De Crecchio 7, 80138, Naples, Italy
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Annalaura Torella
- Medical Genetics, Department of Precision Medicine, Università degli Studi della Campania 'Luigi Vanvitelli', via Luigi De Crecchio 7, 80138, Naples, Italy
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
| | - Michele Pinelli
- Telethon Institute of Genetics and Medicine, Pozzuoli, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, University Federico II, Naples, Italy
| | - Valeria Capra
- Genomics and Clinical Genetics, IRCCS Gaslini, Genoa, Italy
| | - Andrea Accogli
- Division of Medical Genetics, Department of Specialized Medicine, McGill University, Montreal, QC, Canada
- Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Silvia Maitz
- Medical Genetics Service, Oncology Department of Southern Switzerland, Ente Ospedaliero Cantonale, Lugano, Switzerland
| | | | - Rory J Olson
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Eric W Klee
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Brendan C Lanpher
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Se Song Jang
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jong-Hee Chae
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Genomics Medicine, Rare Disease Center, Seoul National University Hospital, Seoul, Republic of Korea
| | - Philipp Steinbauer
- Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Comprehensive Center for Pediatrics, Medical University of Vienna, Vienna, Austria
| | - Dietmar Rieder
- Division of Bioinformatics, Medical University of Innsbruck, 6020, Innsbruck, Austria
| | - Andreas R Janecke
- Department of Pediatrics I, Medical University of Innsbruck, 6020, Innsbruck, Austria
- Division of Human Genetics, Medical University of Innsbruck, 6020, Innsbruck, Austria
| | - Julia Vodopiutz
- Department of Pediatrics and Adolescent Medicine, Division of Pediatric Pulmonology, Allergology and Endocrinology, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090, Vienna, Austria
| | - Ida Vogel
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Clinical Genetics, Aarhus University Hospital, Aarhus, Denmark
| | - Jenny Blechingberg
- Department of Clinical Genetics, Aarhus University Hospital, Aarhus, Denmark
| | - Jennifer L Cohen
- Division of Medical Genetics, Department of Pediatrics, Duke University, Durham, NC, USA
| | - Kacie Riley
- Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Victoria Klee
- Pediatric Neurology, Riley Hospital for Children Indiana University Health, Indianapolis, IN, USA
| | - Laurence E Walsh
- Pediatric Neurology, Riley Hospital for Children Indiana University Health, Indianapolis, IN, USA
| | - Matthias Begemann
- Institute for Human Genetics and Genomic Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Miriam Elbracht
- Institute for Human Genetics and Genomic Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Thomas Eggermann
- Institute for Human Genetics and Genomic Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Arzu Stoppe
- Division of Neuropediatrics and Social Pediatrics, Department of Pediatrics, Medical Faculty, RWTH Aachen University, 52074, Aachen, Germany
| | - Kyra Stuurman
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Marjon van Slegtenhorst
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Tahsin Stefan Barakat
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Maureen S Mulhern
- Department of Neurology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
- Department of Pathology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Tristan T Sands
- Division of Child Neurology, Department of Neurology, Columbia University Vagelos College of Physicians and Surgeons and NewYork-Presbyterian Morgan Stanley Children's Hospital, New York, NY, USA
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons and NewYork-Presbyterian Morgan Stanley Children's Hospital, New York, NY, USA
- Institute for Genomic Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Cheryl Cytrynbaum
- Department of Genetic Counselling, The Hospital for Sick Children, Toronto, ON, M5G 1X8, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A1, Canada
| | - Rosanna Weksberg
- Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A1, Canada
- Division of Clinical and Metabolic Genetics, The Hospital for Sick Children, Toronto, ON, M5G 1X8, Canada
| | - Federica Isidori
- U.O. Genetica Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Tommaso Pippucci
- U.O. Genetica Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Giulia Severi
- U.O. Genetica Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Francesca Montanari
- U.O. Genetica Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Michael C Kruer
- Pediatric Movement Disorders Program, Division of Pediatric Neurology, Barrow Neurological Institute, Phoenix Children's Hospital, Phoenix, AZ, USA
- Departments of Child Health, Neurology, and Cellular & Molecular Medicine, and Program in Genetics, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
| | - Somayeh Bakhtiari
- Pediatric Movement Disorders Program, Division of Pediatric Neurology, Barrow Neurological Institute, Phoenix Children's Hospital, Phoenix, AZ, USA
- Departments of Child Health, Neurology, and Cellular & Molecular Medicine, and Program in Genetics, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
| | - Hossein Darvish
- Neuroscience Research Center, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Heiko Reutter
- Institute of Human Genetics, Medical Faculty, University of Bonn, Bonn, 53127, Germany
- Division Neonatology and Pediatric Intensive Care, Department of Pediatric and Adolescent Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
- Institute of Human Genetics, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Gregor Hagelueken
- Institute of Structural Biology, University Hospital Bonn, University of Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Matthias Geyer
- Institute of Structural Biology, University Hospital Bonn, University of Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Adrian S Woolf
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
- Royal Manchester Children's Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Jennifer E Posey
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - James R Lupski
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, 77030, USA
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, 77030, USA
- Texas Children's Hospital, Houston, TX, 77030, USA
| | - Benjamin Odermatt
- Institute of Anatomy and Cell Biology, Medical Faculty, University of Bonn, Bonn, 53115, Germany
- Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, 53115, Germany
| | - Alina C Hilger
- Department of Pediatric and Adolescent Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, 91054, Germany.
- Research Center On Rare Kidney Diseases (RECORD), University Hospital Erlangen, 91054, Erlangen, Germany.
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Senovilla-Ganzo R, García-Moreno F. The Phylotypic Brain of Vertebrates, from Neural Tube Closure to Brain Diversification. BRAIN, BEHAVIOR AND EVOLUTION 2024; 99:45-68. [PMID: 38342091 DOI: 10.1159/000537748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/04/2024] [Indexed: 02/13/2024]
Abstract
BACKGROUND The phylotypic or intermediate stages are thought to be the most evolutionary conserved stages throughout embryonic development. The contrast with divergent early and later stages derived from the concept of the evo-devo hourglass model. Nonetheless, this developmental constraint has been studied as a whole embryo process, not at organ level. In this review, we explore brain development to assess the existence of an equivalent brain developmental hourglass. In the specific case of vertebrates, we propose to split the brain developmental stages into: (1) Early: Neurulation, when the neural tube arises after gastrulation. (2) Intermediate: Brain patterning and segmentation, when the neuromere identities are established. (3) Late: Neurogenesis and maturation, the stages when the neurons acquire their functionality. Moreover, we extend this analysis to other chordates brain development to unravel the evolutionary origin of this evo-devo constraint. SUMMARY Based on the existing literature, we hypothesise that a major conservation of the phylotypic brain might be due to the pleiotropy of the inductive regulatory networks, which are predominantly expressed at this stage. In turn, earlier stages such as neurulation are rather mechanical processes, whose regulatory networks seem to adapt to environment or maternal geometries. The later stages are also controlled by inductive regulatory networks, but their effector genes are mostly tissue-specific and functional, allowing diverse developmental programs to generate current brain diversity. Nonetheless, all stages of the hourglass are highly interconnected: divergent neurulation must have a vertebrate shared end product to reproduce the vertebrate phylotypic brain, and the boundaries and transcription factor code established during the highly conserved patterning will set the bauplan for the specialised and diversified adult brain. KEY MESSAGES The vertebrate brain is conserved at phylotypic stages, but the highly conserved mechanisms that occur during these brain mid-development stages (Inducing Regulatory Networks) are also present during other stages. Oppositely, other processes as cell interactions and functional neuronal genes are more diverse and majoritarian in early and late stages of development, respectively. These phenomena create an hourglass of transcriptomic diversity during embryonic development and evolution, with a really conserved bottleneck that set the bauplan for the adult brain around the phylotypic stage.
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Affiliation(s)
- Rodrigo Senovilla-Ganzo
- Achucarro Basque Center for Neuroscience, Scientific Park of the University of the Basque Country (UPV/EHU), Leioa, Spain
- Department of Neuroscience, Faculty of Medicine and Odontology, UPV/EHU, Leioa, Spain
| | - Fernando García-Moreno
- Achucarro Basque Center for Neuroscience, Scientific Park of the University of the Basque Country (UPV/EHU), Leioa, Spain
- Department of Neuroscience, Faculty of Medicine and Odontology, UPV/EHU, Leioa, Spain
- IKERBASQUE Foundation, Bilbao, Spain
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14
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Rees JM, Palmer MA, Gillis JA. Fgf signalling is required for gill slit formation in the skate, Leucoraja erinacea. Dev Biol 2024; 506:85-94. [PMID: 38040078 PMCID: PMC11195640 DOI: 10.1016/j.ydbio.2023.11.008] [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: 09/07/2023] [Revised: 11/03/2023] [Accepted: 11/24/2023] [Indexed: 12/03/2023]
Abstract
The gill slits of fishes develop from an iterative series of pharyngeal endodermal pouches that contact and fuse with surface ectoderm on either side of the embryonic head. We find in the skate (Leucoraja erinacea) that all gill slits form via a stereotypical sequence of epithelial interactions: 1) endodermal pouches approach overlying surface ectoderm, with 2) focal degradation of ectodermal basement membranes preceding endoderm-ectoderm contact; 3) endodermal pouches contact and intercalate with overlying surface ectoderm, and finally 4) perforation of a gill slit occurs by epithelial remodelling, without programmed cell death, at the site of endoderm-ectoderm intercalation. Skate embryos express Fgf8 and Fgf3 within developing pharyngeal epithelia during gill slit formation. When we inhibit Fgf signalling by treating skate embryos with the Fgf receptor inhibitor SU5402 we find that endodermal pouch formation, basement membrane degradation and endodermal-ectodermal intercalation are unaffected, but that epithelial remodelling and gill slit perforation fail to occur. These findings point to a role for Fgf signalling in epithelial remodelling during gill slit formation in the skate and, more broadly, to an ancestral role for Fgf signalling during pharyngeal pouch epithelial morphogenesis in vertebrate embryos.
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Affiliation(s)
- Jenaid M Rees
- Department of Zoology, University of Cambridge, Cambridge, UK
| | - Michael A Palmer
- Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA
| | - J Andrew Gillis
- Department of Zoology, University of Cambridge, Cambridge, UK; Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, MA, USA.
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15
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Bandekar SJ, Garbett K, Kordon SP, Dintzner E, Shearer T, Sando RC, Araç D. Structure of the extracellular region of the adhesion GPCR CELSR1 reveals a compact module which regulates G protein-coupling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.26.577439. [PMID: 38328199 PMCID: PMC10849658 DOI: 10.1101/2024.01.26.577439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Cadherin EGF Laminin G seven-pass G-type receptors (CELSRs or ADGRCs) are conserved adhesion G protein-coupled receptors which are essential for animal development. CELSRs have extracellular regions (ECRs) containing 23 adhesion domains which couple adhesion to intracellular signaling. However, molecular-level insight into CELSR function is sparsely available. We report the 4.3 Å cryo-EM reconstruction of the mCELSR1 ECR with 13 domains resolved in the structure. These domains form a compact module mediated by interdomain interactions with contact between the N- and C-terminal domains. We show the mCELSR1 ECR forms an extended species in the presence of Ca 2+ , which we propose represents the antiparallel cadherin repeat dimer. Using assays for adhesion and G protein-coupling, we assign the N-terminal CADH1-8 module as necessary for cell adhesion and we show the C-terminal CAHD9-GAIN module regulates signaling. Our work provides important molecular context to the literature on CELSR function and opens the door towards further mechanistic studies.
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Vieira Contreras F, Auger GM, Müller L, Richter V, Huetteroth W, Seufert F, Hildebrand PW, Scholz N, Thum AS, Ljaschenko D, Blanco-Redondo B, Langenhan T. The adhesion G-protein-coupled receptor mayo/CG11318 controls midgut development in Drosophila. Cell Rep 2024; 43:113640. [PMID: 38180839 DOI: 10.1016/j.celrep.2023.113640] [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: 03/02/2023] [Revised: 11/14/2023] [Accepted: 12/16/2023] [Indexed: 01/07/2024] Open
Abstract
Adhesion G-protein-coupled receptors (aGPCRs) form a large family of cell surface molecules with versatile tasks in organ development. Many aGPCRs still await their functional and pharmacological deorphanization. Here, we characterized the orphan aGPCR CG11318/mayo of Drosophila melanogaster and found it expressed in specific regions of the gastrointestinal canal and anal plates, epithelial specializations that control ion homeostasis. Genetic removal of mayo results in tachycardia, which is caused by hyperkalemia of the larval hemolymph. The hyperkalemic effect can be mimicked by a raise in ambient potassium concentration, while normal potassium levels in mayoKO mutants can be restored by pharmacological inhibition of potassium channels. Intriguingly, hyperkalemia and tachycardia are caused non-cell autonomously through mayo-dependent control of enterocyte proliferation in the larval midgut, which is the primary function of this aGPCR. These findings characterize the ancestral aGPCR Mayo as a homeostatic regulator of gut development.
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Affiliation(s)
- Fernando Vieira Contreras
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Genevieve M Auger
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Lena Müller
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Vincent Richter
- Institute of Biology, Department of Genetics, Faculty of Life Sciences, Leipzig University, Talstraße 33, 04103 Leipzig, Germany
| | - Wolf Huetteroth
- Institute of Biology, Department of Genetics, Faculty of Life Sciences, Leipzig University, Talstraße 33, 04103 Leipzig, Germany
| | - Florian Seufert
- Institute for Medical Physics and Biophysics, Medical Faculty, Leipzig University, Härtelstrasse 16-18, 04107 Leipzig, Germany
| | - Peter W Hildebrand
- Institute for Medical Physics and Biophysics, Medical Faculty, Leipzig University, Härtelstrasse 16-18, 04107 Leipzig, Germany
| | - Nicole Scholz
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Andreas S Thum
- Institute of Biology, Department of Genetics, Faculty of Life Sciences, Leipzig University, Talstraße 33, 04103 Leipzig, Germany
| | - Dmitrij Ljaschenko
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Beatriz Blanco-Redondo
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany.
| | - Tobias Langenhan
- Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany; Institute of Biology, Faculty of Life Sciences, Leipzig University, Talstraße 33, 04103 Leipzig, Germany; Comprehensive Cancer Center Central Germany (CCCG), Germany.
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17
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Collinet C, Bailles A, Dehapiot B, Lecuit T. Mechanical regulation of substrate adhesion and de-adhesion drives a cell-contractile wave during Drosophila tissue morphogenesis. Dev Cell 2024; 59:156-172.e7. [PMID: 38103554 PMCID: PMC10783558 DOI: 10.1016/j.devcel.2023.11.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 09/14/2023] [Accepted: 11/16/2023] [Indexed: 12/19/2023]
Abstract
During morphogenesis, mechanical forces induce large-scale deformations; yet, how forces emerge from cellular contractility and adhesion is unclear. In Drosophila embryos, a tissue-scale wave of actomyosin contractility coupled with adhesion to the surrounding vitelline membrane drives polarized tissue invagination. We show that this process emerges subcellularly from the mechanical coupling between myosin II activation and sequential adhesion/de-adhesion to the vitelline membrane. At the wavefront, integrin clusters anchor the actin cortex to the vitelline membrane and promote activation of myosin II, which in turn enhances adhesion in a positive feedback. Following cell detachment, cortex contraction and advective flow amplify myosin II. Prolonged contact with the vitelline membrane prolongs the integrin-myosin II feedback, increases integrin adhesion, and thus slows down cell detachment and wave propagation. The angle of cell detachment depends on adhesion strength and sets the tensile forces required for detachment. Thus, we document how the interplay between subcellular mechanochemical feedback and geometry drives tissue morphogenesis.
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Affiliation(s)
- Claudio Collinet
- Aix Marseille Université & CNRS, IBDM - UMR7288 & Turing Centre for Living Systems, Campus de Luminy Case 907, 13288 Marseille, France.
| | - Anaïs Bailles
- Aix Marseille Université & CNRS, IBDM - UMR7288 & Turing Centre for Living Systems, Campus de Luminy Case 907, 13288 Marseille, France
| | - Benoit Dehapiot
- Aix Marseille Université & CNRS, IBDM - UMR7288 & Turing Centre for Living Systems, Campus de Luminy Case 907, 13288 Marseille, France
| | - Thomas Lecuit
- Aix Marseille Université & CNRS, IBDM - UMR7288 & Turing Centre for Living Systems, Campus de Luminy Case 907, 13288 Marseille, France; Collège de France, 11 Place Marcelin Berthelot, Paris, France.
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18
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Matsuda M, Rozman J, Ostvar S, Kasza KE, Sokol SY. Mechanical control of neural plate folding by apical domain alteration. Nat Commun 2023; 14:8475. [PMID: 38123550 PMCID: PMC10733383 DOI: 10.1038/s41467-023-43973-x] [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: 02/08/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023] Open
Abstract
Vertebrate neural tube closure is associated with complex changes in cell shape and behavior, however, the relative contribution of these processes to tissue folding is not well understood. At the onset of Xenopus neural tube folding, we observed alternation of apically constricted and apically expanded cells. This apical domain heterogeneity was accompanied by biased cell orientation along the anteroposterior axis, especially at neural plate hinges, and required planar cell polarity signaling. Vertex models suggested that dispersed isotropically constricting cells can cause the elongation of adjacent cells. Consistently, in ectoderm, cell-autonomous apical constriction was accompanied by neighbor expansion. Thus, a subset of isotropically constricting cells may initiate neural plate bending, whereas a 'tug-of-war' contest between the force-generating and responding cells reduces its shrinking along the body axis. This mechanism is an alternative to anisotropic shrinking of cell junctions that are perpendicular to the body axis. We propose that apical domain changes reflect planar polarity-dependent mechanical forces operating during neural folding.
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Affiliation(s)
- Miho Matsuda
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jan Rozman
- Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, UK
| | - Sassan Ostvar
- Department of Mechanical Engineering, Columbia University, New York, NY, USA
| | - Karen E Kasza
- Department of Mechanical Engineering, Columbia University, New York, NY, USA
| | - Sergei Y Sokol
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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19
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Mirdass C, Catala M, Bocel M, Nedelec S, Ribes V. Stem cell-derived models of spinal neurulation. Emerg Top Life Sci 2023; 7:423-437. [PMID: 38087891 DOI: 10.1042/etls20230087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/19/2023]
Abstract
Neurulation is a critical step in early embryonic development, giving rise to the neural tube, the primordium of the central nervous system in amniotes. Understanding this complex, multi-scale, multi-tissue morphogenetic process is essential to provide insights into normal development and the etiology of neural tube defects. Innovations in tissue engineering have fostered the generation of pluripotent stem cell-based in vitro models, including organoids, that are emerging as unique tools for delving into neurulation mechanisms, especially in the context of human development. Each model captures specific aspects of neural tube morphogenesis, from epithelialization to neural tissue elongation, folding and cavitation. In particular, the recent models of human and mouse trunk morphogenesis, such as gastruloids, that form a spinal neural plate-like or neural tube-like structure are opening new avenues to study normal and pathological neurulation. Here, we review the morphogenetic events generating the neural tube in the mammalian embryo and questions that remain unanswered. We discuss the advantages and limitations of existing in vitro models of neurulation and possible future technical developments.
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Affiliation(s)
- Camil Mirdass
- Université Paris Cité, CNRS, Institut Jacques Monod, F-75013 Paris, France
- Institut du Fer à Moulin, 75005 Paris, France
- Inserm, UMR-S 1270, 75005 Paris, France
- Sorbonne Université, Science and Engineering Faculty, 75005 Paris, France
| | - Martin Catala
- Institut de Biologie Paris Seine (IBPS) - Developmental Biology Laboratory, UMR7622 CNRS, INSERM ERL 1156, Sorbonne Université, 9 Quai Saint-Bernard, 75005 Paris, France
| | - Mikaëlle Bocel
- Université Paris Cité, CNRS, Institut Jacques Monod, F-75013 Paris, France
| | - Stéphane Nedelec
- Institut du Fer à Moulin, 75005 Paris, France
- Inserm, UMR-S 1270, 75005 Paris, France
- Sorbonne Université, Science and Engineering Faculty, 75005 Paris, France
| | - Vanessa Ribes
- Université Paris Cité, CNRS, Institut Jacques Monod, F-75013 Paris, France
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20
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Frith TJR, Briscoe J, Boezio GLM. From signalling to form: the coordination of neural tube patterning. Curr Top Dev Biol 2023; 159:168-231. [PMID: 38729676 DOI: 10.1016/bs.ctdb.2023.11.004] [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] [Indexed: 05/12/2024]
Abstract
The development of the vertebrate spinal cord involves the formation of the neural tube and the generation of multiple distinct cell types. The process starts during gastrulation, combining axial elongation with specification of neural cells and the formation of the neuroepithelium. Tissue movements produce the neural tube which is then exposed to signals that provide patterning information to neural progenitors. The intracellular response to these signals, via a gene regulatory network, governs the spatial and temporal differentiation of progenitors into specific cell types, facilitating the assembly of functional neuronal circuits. The interplay between the gene regulatory network, cell movement, and tissue mechanics generates the conserved neural tube pattern observed across species. In this review we offer an overview of the molecular and cellular processes governing the formation and patterning of the neural tube, highlighting how the remarkable complexity and precision of vertebrate nervous system arises. We argue that a multidisciplinary and multiscale understanding of the neural tube development, paired with the study of species-specific strategies, will be crucial to tackle the open questions.
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Affiliation(s)
| | - James Briscoe
- The Francis Crick Institute, London, United Kingdom.
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21
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Kieslich B, Weiße RH, Brendler J, Ricken A, Schöneberg T, Sträter N. The dimerized pentraxin-like domain of the adhesion G protein-coupled receptor 112 (ADGRG4) suggests function in sensing mechanical forces. J Biol Chem 2023; 299:105356. [PMID: 37863265 PMCID: PMC10687090 DOI: 10.1016/j.jbc.2023.105356] [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: 10/14/2022] [Revised: 09/12/2023] [Accepted: 10/11/2023] [Indexed: 10/22/2023] Open
Abstract
Adhesion G protein-coupled receptors (aGPCRs) feature large extracellular regions with modular domains that often resemble protein classes of various function. The pentraxin (PTX) domain, which is predicted by sequence homology within the extracellular region of four different aGPCR members, is well known to form pentamers and other oligomers. Oligomerization of GPCRs is frequently reported and mainly driven by interactions of the seven-transmembrane region and N or C termini. While the functional importance of dimers is well-established for some class C GPCRs, relatively little is known about aGPCR multimerization. Here, we showcase the example of ADGRG4, an orphan aGPCR that possesses a PTX-like domain at its very N-terminal tip, followed by an extremely long stalk containing serine-threonine repeats. Using X-ray crystallography and biophysical methods, we determined the structure of this unusual PTX-like domain and provide experimental evidence for a homodimer equilibrium of this domain which is Ca2+-independent and driven by intermolecular contacts that differ vastly from the known soluble PTXs. The formation of this dimer seems to be conserved in mammalian ADGRG4 indicating functional relevance. Our data alongside of theoretical considerations lead to the hypothesis that ADGRG4 acts as an in vivo sensor for shear forces in enterochromaffin and Paneth cells of the small intestine.
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Affiliation(s)
- Björn Kieslich
- Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Leipzig, Germany; Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany.
| | - Renato H Weiße
- Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Leipzig, Germany
| | - Jana Brendler
- Institute of Anatomy, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Albert Ricken
- Institute of Anatomy, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Torsten Schöneberg
- Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Leipzig, Germany.
| | - Norbert Sträter
- Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Leipzig, Germany.
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22
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MacGowan J, Cardenas M, Williams MK. Vangl2 deficient zebrafish exhibit hallmarks of neural tube closure defects. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.09.566412. [PMID: 37986956 PMCID: PMC10659374 DOI: 10.1101/2023.11.09.566412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Neural tube defects (NTDs) are among the most devastating and common congenital anomalies worldwide, and the ability to model these conditions in vivo is essential for identifying causative genetic and environmental factors. Although zebrafish are ideal for rapid candidate testing, their neural tubes develop primarily via a solid neural keel rather that the fold-and-fuse method employed by mammals, raising questions about their suitability as an NTD model. Here, we demonstrate that despite outward differences, zebrafish anterior neurulation closely resembles that of mammals. For the first time, we directly observe fusion of the bilateral neural folds to enclose a lumen in zebrafish embryos. The neural folds fuse by zippering between multiple distinct but contiguous closure sites. Embryos lacking vangl2, a core planar cell polarity and NTD risk gene, exhibit delayed neural fold fusion and abnormal neural groove formation, yielding distinct openings and midline bifurcations in the developing neural tube. These data provide direct evidence for fold-and-fuse neurulation in zebrafish and its disruption upon loss of an NTD risk gene, highlighting conservation of vertebrate neurulation and the utility of zebrafish for modeling NTDs.
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Affiliation(s)
- Jacalyn MacGowan
- Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
| | - Mara Cardenas
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX
- Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, TX
| | - Margot Kossmann Williams
- Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
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23
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Jackson JA, Denk-Lobnig M, Kitzinger KA, Martin AC. Change in RhoGAP and RhoGEF availability drives transitions in cortical patterning and excitability in Drosophila. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.06.565883. [PMID: 37986763 PMCID: PMC10659369 DOI: 10.1101/2023.11.06.565883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Actin cortex patterning and dynamics are critical for cell shape changes. These dynamics undergo transitions during development, often accompanying changes in collective cell behavior. While mechanisms have been established for individual cells' dynamic behaviors, mechanisms and specific molecules that result in developmental transitions in vivo are still poorly understood. Here, we took advantage of two developmental systems in Drosophila melanogaster to identify conditions that altered cortical patterning and dynamics. We identified a RhoGEF and RhoGAP pair whose relocalization from nucleus to cortex results in actomyosin waves in egg chambers. Furthermore, we found that overexpression of a different RhoGEF and RhoGAP pair resulted in actomyosin waves in the early embryo, during which RhoA activation precedes actomyosin assembly and RhoGAP recruitment by ~4 seconds. Overall, we showed a mechanism involved in inducing actomyosin waves that is essential for oocyte development and is general to other cell types.
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Affiliation(s)
- Jonathan A. Jackson
- Department of Biology, Massachusetts Institute of Technology
- Graduate Program in Biophysics, Harvard University
| | | | | | - Adam C. Martin
- Department of Biology, Massachusetts Institute of Technology
- Lead contact
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24
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Brunet T. Cell contractility in early animal evolution. Curr Biol 2023; 33:R966-R985. [PMID: 37751712 DOI: 10.1016/j.cub.2023.07.054] [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: 09/28/2023]
Abstract
Tissue deformation mediated by collective cell contractility is a signature characteristic of animals. In most animals, fast and reversible contractions of muscle cells mediate behavior, while slow and irreversible contractions of epithelial or mesenchymal cells play a key role in morphogenesis. Animal tissue contractility relies on the activity of the actin/myosin II complex (together referred to as 'actomyosin'), an ancient and versatile molecular machinery that performs a broad range of functions in development and physiology. This review synthesizes emerging insights from morphological and molecular studies into the evolutionary history of animal contractile tissue. The most ancient functions of actomyosin are cell crawling and cytokinesis, which are found in a wide variety of unicellular eukaryotes and in individual metazoan cells. Another contractile functional module, apical constriction, is universal in metazoans and shared with choanoflagellates, their closest known living relatives. The evolution of animal contractile tissue involved two key innovations: firstly, the ability to coordinate and integrate actomyosin assembly across multiple cells, notably to generate supracellular cables, which ensure tissue integrity but also allow coordinated morphogenesis and movements at the organism scale; and secondly, the evolution of dedicated contractile cell types for adult movement, belonging to two broad categories respectively defined by the expression of the fast (striated-type) and slow (smooth/non-muscle-type) myosin II paralogs. Both contractile cell types ancestrally resembled generic contractile epithelial or mesenchymal cells and might have played a versatile role in both behavior and morphogenesis. Modern animal contractile cells span a continuum between unspecialized contractile epithelia (which underlie behavior in modern placozoans), epithelia with supracellular actomyosin cables (found in modern sponges), epitheliomuscular tissues (with a concentration of actomyosin cables in basal processes, for example in sea anemones), and specialized muscle tissue that has lost most or all epithelial properties (as in ctenophores, jellyfish and bilaterians). Recent studies in a broad range of metazoans have begun to reveal the molecular basis of these transitions, powered by the elaboration of the contractile apparatus and the evolution of 'core regulatory complexes' of transcription factors specifying contractile cell identity.
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Affiliation(s)
- Thibaut Brunet
- Institut Pasteur, Université Paris-Cité, CNRS UMR3691, Evolutionary Cell Biology and Evolution of Morphogenesis Unit, 25-28 Rue du Docteur Roux, 75015 Paris, France.
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25
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Zhang P, Medwig-Kinney TN, Goldstein B. Architecture of the cortical actomyosin network driving apical constriction in C. elegans. J Cell Biol 2023; 222:e202302102. [PMID: 37351566 PMCID: PMC10289891 DOI: 10.1083/jcb.202302102] [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: 02/24/2023] [Revised: 05/24/2023] [Accepted: 06/06/2023] [Indexed: 06/24/2023] Open
Abstract
Apical constriction is a cell shape change that drives key morphogenetic events during development, including gastrulation and neural tube formation. The forces driving apical constriction are primarily generated through the contraction of apicolateral and/or medioapical actomyosin networks. In the Drosophila ventral furrow, the medioapical actomyosin network has a sarcomere-like architecture, with radially polarized actin filaments and centrally enriched non-muscle myosin II and myosin activating kinase. To determine if this is a broadly conserved actin architecture driving apical constriction, we examined actomyosin architecture during C. elegans gastrulation, in which two endodermal precursor cells internalize from the surface of the embryo. Quantification of protein localization showed that neither the non-muscle myosin II NMY-2 nor the myosin-activating kinase MRCK-1 is enriched at the center of the apex. Further, visualization of barbed- and pointed-end capping proteins revealed that actin filaments do not exhibit radial polarization at the apex. Our results demonstrate that C. elegans endodermal precursor cells apically constrict using a mixed-polarity actin filament network and with myosin and a myosin activator distributed throughout the network. Taken together with observations made in other organisms, our results demonstrate that diverse actomyosin architectures are used in animal cells to accomplish apical constriction.
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Affiliation(s)
- Pu Zhang
- Biology Department, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | | | - Bob Goldstein
- Biology Department, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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26
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Abdel Fattah AR, Kolaitis N, Van Daele K, Daza B, Rustandi AG, Ranga A. Targeted mechanical stimulation via magnetic nanoparticles guides in vitro tissue development. Nat Commun 2023; 14:5281. [PMID: 37644160 PMCID: PMC10465512 DOI: 10.1038/s41467-023-41037-8] [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: 01/18/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023] Open
Abstract
Tissues take shape through a series of morphogenetic movements guided by local cell-scale mechanical forces. Current in vitro approaches to recapitulate tissue mechanics rely on uncontrolled self-organization or on the imposition of extrinsic and homogenous forces using matrix or instrument-driven stimulation, thereby failing to recapitulate highly localized and spatially varying forces. Here we develop a method for targeted mechanical stimulation of organoids using embedded magnetic nanoparticles. We show that magnetic clusters within organoids can be produced by sequential aggregation of magnetically labeled and non-labeled human pluripotent stem cells. These clusters impose local mechanical forces on the surrounding cells in response to applied magnetic fields. We show that precise, spatially defined actuation provides short-term mechanical tissue perturbations as well as long-term cytoskeleton remodeling in these organoids, which we term "magnetoids". We demonstrate that targeted magnetic nanoparticle-driven actuation guides asymmetric tissue growth and proliferation, leading to enhanced patterning in human neural magnetoids. This approach, enabled by nanoparticle technology, allows for precise and locally controllable mechanical actuation in human neural tube organoids, and could be widely applicable to interrogate the role of local mechanotransduction in developmental and disease model systems.
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Affiliation(s)
- Abdel Rahman Abdel Fattah
- Laboratory of Bioengineering and Morphogenesis, Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium.
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.
| | - Niko Kolaitis
- Laboratory of Bioengineering and Morphogenesis, Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium
| | - Katrien Van Daele
- Laboratory of Bioengineering and Morphogenesis, Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium
| | - Brian Daza
- Laboratory of Bioengineering and Morphogenesis, Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium
| | - Andika Gregorius Rustandi
- Laboratory of Bioengineering and Morphogenesis, Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium
| | - Adrian Ranga
- Laboratory of Bioengineering and Morphogenesis, Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium.
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27
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Mimura T, Inoue Y. Cell-center-based model for simulating three-dimensional monolayer tissue deformation. J Theor Biol 2023; 571:111560. [PMID: 37315765 DOI: 10.1016/j.jtbi.2023.111560] [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: 01/05/2023] [Revised: 04/25/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
The shape of the epithelial monolayer can be depicted as a curved tissue in three-dimensional (3D) space, where individual cells are tightly adhered to one another. The 3D morphogenesis of these tissues is governed by cell dynamics, and a variety of mathematical modeling and simulation studies have been conducted to investigate this process. One promising approach is the cell-center model, which can account for the discreteness of cells. The cell nucleus, which is considered to correspond to the cell center, can be observed experimentally. However, there has been a shortage of cell-center models specifically tailored for simulating 3D monolayer tissue deformation. In this study, we developed a mathematical model based on the cell-center model to simulate 3D monolayer tissue deformation. Our model was confirmed by simulating the in-plane deformation, out-of-plane deformation, and invagination due to apical constriction.
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Affiliation(s)
- Tomohiro Mimura
- Department of Micro Engineering, Graduate School of Engineering, Kyoto University, 615-8540 Kyoto, Japan.
| | - Yasuhiro Inoue
- Department of Micro Engineering, Graduate School of Engineering, Kyoto University, 615-8540 Kyoto, Japan.
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28
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Kuebler CA, Paré AC. Striped Expression of Leucine-Rich Repeat Proteins Coordinates Cell Intercalation and Compartment Boundary Formation in the Early Drosophila Embryo. Symmetry (Basel) 2023; 15:1490. [PMID: 38650964 PMCID: PMC11034934 DOI: 10.3390/sym15081490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
Planar polarity is a commonly observed phenomenon in which proteins display a consistent asymmetry in their subcellular localization or activity across the plane of a tissue. During animal development, planar polarity is a fundamental mechanism for coordinating the behaviors of groups of cells to achieve anisotropic tissue remodeling, growth, and organization. Therefore, a primary focus of developmental biology research has been to understand the molecular mechanisms underlying planar polarity in a variety of systems to identify conserved principles of tissue organization. In the early Drosophila embryo, the germband neuroectoderm epithelium rapidly doubles in length along the anterior-posterior axis through a process known as convergent extension (CE); it also becomes subdivided into tandem tissue compartments through the formation of compartment boundaries (CBs). Both processes are dependent on the planar polarity of proteins involved in cellular tension and adhesion. The enrichment of actomyosin-based tension and adherens junction-based adhesion at specific cell-cell contacts is required for coordinated cell intercalation, which drives CE, and the creation of highly stable cell-cell contacts at CBs. Recent studies have revealed a system for rapid cellular polarization triggered by the expression of leucine-rich-repeat (LRR) cell-surface proteins in striped patterns. In particular, the non-uniform expression of Toll-2, Toll-6, Toll-8, and Tartan generates local cellular asymmetries that allow cells to distinguish between cell-cell contacts oriented parallel or perpendicular to the anterior-posterior axis. In this review, we discuss (1) the biomechanical underpinnings of CE and CB formation, (2) how the initial symmetry-breaking events of anterior-posterior patterning culminate in planar polarity, and (3) recent advances in understanding the molecular mechanisms downstream of LRR receptors that lead to planar polarized tension and junctional adhesion.
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Affiliation(s)
- Chloe A. Kuebler
- Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
| | - Adam C. Paré
- Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
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29
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Bui DLH, Roach A, Li J, Bandekar SJ, Orput E, Raghavan R, Araç D, Sando RC. The adhesion GPCRs CELSR1-3 and LPHN3 engage G proteins via distinct activation mechanisms. Cell Rep 2023; 42:112552. [PMID: 37224017 PMCID: PMC10592476 DOI: 10.1016/j.celrep.2023.112552] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 03/20/2023] [Accepted: 05/05/2023] [Indexed: 05/26/2023] Open
Abstract
Adhesion G protein-coupled receptors (aGPCRs) are a large GPCR class that direct diverse fundamental biological processes. One prominent mechanism for aGPCR agonism involves autoproteolytic cleavage, which generates an activating, membrane-proximal tethered agonist (TA). How universal this mechanism is for all aGPCRs is unclear. Here, we investigate G protein induction principles of aGPCRs using mammalian latrophilin 3 (LPHN3) and cadherin EGF LAG-repeat 7-transmembrane receptors 1-3 (CELSR1-3), members of two aGPCR families conserved from invertebrates to vertebrates. LPHNs and CELSRs mediate fundamental aspects of brain development, yet CELSR signaling mechanisms are unknown. We find that CELSR1 and CELSR3 are cleavage deficient, while CELSR2 is efficiently cleaved. Despite differential autoproteolysis, CELSR1-3 all engage GαS, and CELSR1 or CELSR3 TA point mutants retain GαS coupling activity. CELSR2 autoproteolysis enhances GαS coupling, yet acute TA exposure alone is insufficient. These studies support that aGPCRs signal via multiple paradigms and provide insights into CELSR biological function.
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Affiliation(s)
- Duy Lan Huong Bui
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN 37240, USA
| | - Andrew Roach
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN 37240, USA
| | - Jingxian Li
- Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Sumit J Bandekar
- Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Elizabeth Orput
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN 37240, USA
| | - Ritika Raghavan
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN 37240, USA
| | - Demet Araç
- Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Richard C Sando
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN 37240, USA.
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30
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Dow LP, Parmar T, Marchetti MC, Pruitt BL. Engineering tools for quantifying and manipulating forces in epithelia. BIOPHYSICS REVIEWS 2023; 4:021303. [PMID: 38510344 PMCID: PMC10903508 DOI: 10.1063/5.0142537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 04/20/2023] [Indexed: 03/22/2024]
Abstract
The integrity of epithelia is maintained within dynamic mechanical environments during tissue development and homeostasis. Understanding how epithelial cells mechanosignal and respond collectively or individually is critical to providing insight into developmental and (patho)physiological processes. Yet, inferring or mimicking mechanical forces and downstream mechanical signaling as they occur in epithelia presents unique challenges. A variety of in vitro approaches have been used to dissect the role of mechanics in regulating epithelia organization. Here, we review approaches and results from research into how epithelial cells communicate through mechanical cues to maintain tissue organization and integrity. We summarize the unique advantages and disadvantages of various reduced-order model systems to guide researchers in choosing appropriate experimental systems. These model systems include 3D, 2D, and 1D micromanipulation methods, single cell studies, and noninvasive force inference and measurement techniques. We also highlight a number of in silico biophysical models that are informed by in vitro and in vivo observations. Together, a combination of theoretical and experimental models will aid future experiment designs and provide predictive insight into mechanically driven behaviors of epithelial dynamics.
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Affiliation(s)
| | - Toshi Parmar
- Department of Physics, University of California Santa Barbara, Santa Barbara, California 93106, USA
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31
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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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32
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Van Essen DC. Biomechanical models and mechanisms of cellular morphogenesis and cerebral cortical expansion and folding. Semin Cell Dev Biol 2023; 140:90-104. [PMID: 35840524 PMCID: PMC9942585 DOI: 10.1016/j.semcdb.2022.06.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/31/2022] [Accepted: 06/16/2022] [Indexed: 01/28/2023]
Abstract
Morphogenesis of the nervous system involves a highly complex spatio-temporal pattern of physical forces (mainly tension and pressure) acting on cells and tissues that are pliable but have an intricately organized cytoskeletal infrastructure. This review begins by covering basic principles of biomechanics and the core cytoskeletal toolkit used to regulate the shapes of cells and tissues during embryogenesis and neural development. It illustrates how the principle of 'tensegrity' provides a useful conceptual framework for understanding how cells dynamically respond to forces that are generated internally or applied externally. The latter part of the review builds on this foundation in considering the development of mammalian cerebral cortex. The main focus is on cortical expansion and folding - processes that take place over an extended period of prenatal and postnatal development. Cortical expansion and folding are likely to involve many complementary mechanisms, some related to regulating cell proliferation and migration and others related to specific types and patterns of mechanical tension and pressure. Three distinct multi-mechanism models are evaluated in relation to a set of 18 key experimental observations and findings. The Composite Tension Plus (CT+) model is introduced as an updated version of a previous multi-component Differential Expansion Sandwich Plus (DES+) model (Van Essen, 2020); the new CT+ model includes 10 distinct mechanisms and has the greatest explanatory power among published models to date. Much needs to be done in order to validate specific mechanistic components and to assess their relative importance in different species, and important directions for future research are suggested.
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Francou A, Anderson KV, Hadjantonakis AK. A ratchet-like apical constriction drives cell ingression during the mouse gastrulation EMT. eLife 2023; 12:84019. [PMID: 37162187 PMCID: PMC10171865 DOI: 10.7554/elife.84019] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 04/21/2023] [Indexed: 05/11/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is a fundamental process whereby epithelial cells acquire mesenchymal phenotypes and the ability to migrate. EMT is the hallmark of gastrulation, an evolutionarily conserved developmental process. In mammals, epiblast cells ingress at the primitive streak to form mesoderm. Cells ingress and exit the epiblast epithelial layer and the associated EMT is dynamically regulated and involves a stereotypical sequence of cell behaviors. 3D time-lapse imaging of gastrulating mouse embryos combined with cell and tissue scale data analyses revealed the asynchronous ingression of epiblast cells at the primitive streak. Ingressing cells constrict their apical surfaces in a pulsed ratchet-like fashion through asynchronous shrinkage of apical junctions. A quantitative analysis of the distribution of apical proteins revealed the anisotropic and reciprocal enrichment of members of the actomyosin network and Crumbs2 complexes, potential regulators of asynchronous shrinkage of cell junctions. Loss of function analyses demonstrated a requirement for Crumbs2 in myosin II localization and activity at apical junctions, and as a candidate regulator of actomyosin anisotropy.
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Affiliation(s)
- Alexandre Francou
- Developmental Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, United States
| | - Kathryn V Anderson
- Developmental Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, United States
| | - Anna-Katerina Hadjantonakis
- Developmental Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, United States
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De Vincentiis S, Baggiani M, Merighi F, Cappello V, Lopane J, Di Caprio M, Costa M, Mainardi M, Onorati M, Raffa V. Low Forces Push the Maturation of Neural Precursors into Neurons. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2205871. [PMID: 37058009 DOI: 10.1002/smll.202205871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 03/15/2023] [Indexed: 06/19/2023]
Abstract
Mechanical stimulation modulates neural development and neuronal activity. In a previous study, magnetic "nano-pulling" is proposed as a tool to generate active forces. By loading neural cells with magnetic nanoparticles (MNPs), a precise force vector is remotely generated through static magnetic fields. In the present study, human neural stem cells (NSCs) are subjected to a standard differentiation protocol, in the presence or absence of nano-pulling. Under mechanical stimulation, an increase in the length of the neural processes which showed an enrichment in microtubules, endoplasmic reticulum, and mitochondria is found. A stimulation lasting up to 82 days induces a strong remodeling at the level of synapse density and a re-organization of the neuronal network, halving the time required for the maturation of neural precursors into neurons. The MNP-loaded NSCs are then transplanted into mouse spinal cord organotypic slices, demonstrating that nano-pulling stimulates the elongation of the NSC processes and modulates their orientation even in an ex vivo model. Thus, it is shown that active mechanical stimuli can guide the outgrowth of NSCs transplanted into the spinal cord tissue. The findings suggest that mechanical forces play an important role in neuronal maturation which could be applied in regenerative medicine.
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Affiliation(s)
| | - Matteo Baggiani
- Department of Biology, Università di Pisa, Pisa, 56127, Italy
| | | | - Valentina Cappello
- Center for Materials Interfaces, Istituto Italiano di Tecnologia, Pontedera, 56025, Italy
| | - Jakub Lopane
- Department of Biology, Università di Pisa, Pisa, 56127, Italy
| | - Mariachiara Di Caprio
- Laboratory of Biology "Bio@SNS", Scuola Normale Superiore, Piazza dei Cavalieri 7, Pisa, 56126, Italy
| | - Mario Costa
- Neuroscience Institute, National Research Council, via Giuseppe Moruzzi 1, Pisa, 56124, Italy
| | - Marco Mainardi
- Neuroscience Institute, National Research Council, via Giuseppe Moruzzi 1, Pisa, 56124, Italy
| | - Marco Onorati
- Department of Biology, Università di Pisa, Pisa, 56127, Italy
| | - Vittoria Raffa
- Department of Biology, Università di Pisa, Pisa, 56127, Italy
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35
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Bocanegra-Moreno L, Singh A, Hannezo E, Zagorski M, Kicheva A. Cell cycle dynamics control fluidity of the developing mouse neuroepithelium. NATURE PHYSICS 2023; 19:1050-1058. [PMID: 37456593 PMCID: PMC10344780 DOI: 10.1038/s41567-023-01977-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 02/01/2023] [Indexed: 07/18/2023]
Abstract
As developing tissues grow in size and undergo morphogenetic changes, their material properties may be altered. Such changes result from tension dynamics at cell contacts or cellular jamming. Yet, in many cases, the cellular mechanisms controlling the physical state of growing tissues are unclear. We found that at early developmental stages, the epithelium in the developing mouse spinal cord maintains both high junctional tension and high fluidity. This is achieved via a mechanism in which interkinetic nuclear movements generate cell area dynamics that drive extensive cell rearrangements. Over time, the cell proliferation rate declines, effectively solidifying the tissue. Thus, unlike well-studied jamming transitions, the solidification uncovered here resembles a glass transition that depends on the dynamical stresses generated by proliferation and differentiation. Our finding that the fluidity of developing epithelia is linked to interkinetic nuclear movements and the dynamics of growth is likely to be relevant to multiple developing tissues.
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Affiliation(s)
| | - Amrita Singh
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Edouard Hannezo
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Marcin Zagorski
- Institute of Theoretical Physics and Mark Kac Center for Complex Systems Research, Jagiellonian University, Krakow, Poland
| | - Anna Kicheva
- Institute of Science and Technology Austria, Klosterneuburg, Austria
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36
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Huong Bui DL, Roach A, Li J, Bandekar SJ, Orput E, Raghavan R, Araç D, Sando R. The adhesion GPCRs CELSR1-3 and LPHN3 engage G proteins via distinct activation mechanisms. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.02.535287. [PMID: 37066404 PMCID: PMC10103989 DOI: 10.1101/2023.04.02.535287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Adhesion GPCRs (aGPCRs) are a large GPCR class that direct diverse fundamental biological processes. One prominent mechanism for aGPCR agonism involves autoproteolytic cleavage, which generates an activating, membrane-proximal tethered agonist (TA). How universal this mechanism is for all aGPCRs is unclear. Here, we investigate G protein induction principles of aGPCRs using mammalian LPHN3 and CELSR1-3, members of two aGPCR families conserved from invertebrates to vertebrates. LPHNs and CELSRs mediate fundamental aspects of brain development, yet CELSR signaling mechanisms are unknown. We found that CELSR1 and CELSR3 are cleavage-deficient, while CELSR2 is efficiently cleaved. Despite differential autoproteolysis, CELSR1-3 all engage GαS, and CELSR1 or CELSR3 TA point mutants retain GαS coupling activity. CELSR2 autoproteolysis enhances GαS coupling, yet acute TA exposure alone is insufficient. These studies support that aGPCRs signal via multiple paradigms and provide insights into CELSR biological function.
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37
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Uechi H, Kuranaga E. Underlying mechanisms that ensure actomyosin-mediated directional remodeling of cell-cell contacts for multicellular movement: Tricellular junctions and negative feedback as new aspects underlying actomyosin-mediated directional epithelial morphogenesis: Tricellular junctions and negative feedback as new aspects underlying actomyosin-mediated directional epithelial morphogenesis. Bioessays 2023; 45:e2200211. [PMID: 36929512 DOI: 10.1002/bies.202200211] [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: 10/31/2022] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/18/2023]
Abstract
Actomyosin (actin-myosin II complex)-mediated contractile forces are central to the generation of multifaceted uni- and multi-cellular material properties and dynamics such as cell division, migration, and tissue morphogenesis. In the present article, we summarize our recent researches addressing molecular mechanisms that ensure actomyosin-mediated directional cell-cell junction remodeling, either shortening or extension, driving cell rearrangement for epithelial morphogenesis. Genetic perturbation clarified two points concerning cell-cell junction remodeling: an inhibitory mechanism against negative feedback in which actomyosin contractile forces, which are well known to induce cell-cell junction shortening, can concomitantly alter actin dynamics, oppositely leading to perturbation of the shortening; and tricellular junctions as a point that organizes extension of new cell-cell junctions after shortening. These findings highlight the notion that cells develop underpinning mechanisms to transform the multi-tasking property of actomyosin contractile forces into specific and proper cellular dynamics in space and time.
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Affiliation(s)
- Hiroyuki Uechi
- Laboratory for Histogenetic Dynamics, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Erina Kuranaga
- Laboratory for Histogenetic Dynamics, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
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38
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The Roles of Secreted Wnt Ligands in Cancer. Int J Mol Sci 2023; 24:ijms24065349. [PMID: 36982422 PMCID: PMC10049518 DOI: 10.3390/ijms24065349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/28/2023] [Accepted: 03/04/2023] [Indexed: 03/17/2023] Open
Abstract
Wnt ligands are secreted signaling proteins that display a wide range of biological effects. They play key roles in stimulating Wnt signaling pathways to facilitate processes such as tissue homeostasis and regeneration. Dysregulation of Wnt signaling is a hallmark of many cancers and genetic alterations in various Wnt signaling components, which result in ligand-independent or ligand-dependent hyperactivation of the pathway that have been identified. Recently, research is focusing on the impact of Wnt signaling on the interaction between tumor cells and their micro-environment. This Wnt-mediated crosstalk can act either in a tumor promoting or suppressing fashion. In this review, we comprehensively outline the function of Wnt ligands in different tumor entities and their impact on key phenotypes, including cancer stemness, drug resistance, metastasis, and immune evasion. Lastly, we elaborate approaches to target Wnt ligands in cancer therapy.
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39
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The cellular dynamics of neural tube formation. Biochem Soc Trans 2023; 51:343-352. [PMID: 36794768 PMCID: PMC9987952 DOI: 10.1042/bst20220871] [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: 12/02/2022] [Revised: 01/23/2023] [Accepted: 01/31/2023] [Indexed: 02/17/2023]
Abstract
The vertebrate brain and spinal cord arise from a common precursor, the neural tube, which forms very early during embryonic development. To shape the forming neural tube, changes in cellular architecture must be tightly co-ordinated in space and time. Live imaging of different animal models has provided valuable insights into the cellular dynamics driving neural tube formation. The most well-characterised morphogenetic processes underlying this transformation are convergent extension and apical constriction, which elongate and bend the neural plate. Recent work has focused on understanding how these two processes are spatiotemporally integrated from the tissue- to the subcellular scale. Various mechanisms of neural tube closure have also been visualised, yielding a growing understanding of how cellular movements, junctional remodelling and interactions with the extracellular matrix promote fusion and zippering of the neural tube. Additionally, live imaging has also now revealed a mechanical role for apoptosis in neural plate bending, and how cell intercalation forms the lumen of the secondary neural tube. Here, we highlight the latest research on the cellular dynamics underlying neural tube formation and provide some perspectives for the future.
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40
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Matsuda M, Rozman J, Ostvar S, Kasza KE, Sokol SY. Mechanical control of neural plate folding by apical domain alteration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.10.528047. [PMID: 36798359 PMCID: PMC9934705 DOI: 10.1101/2023.02.10.528047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
Vertebrate neural tube closure is associated with complex changes in cell shape and behavior, however, the relative contribution of these processes to tissue folding is not well understood. In this study, we evaluated morphology of the superficial cell layer in the Xenopus neural plate. At the stages corresponding to the onset of tissue folding, we observed the alternation of cells with apically constricting and apically expanding apical domains. The cells had a biased orientation along the anteroposterior (AP) axis. This apical domain heterogeneity required planar cell polarity (PCP) signaling and was especially pronounced at neural plate hinges. Vertex model simulations suggested that spatially dispersed isotropically constricting cells cause the elongation of their non-constricting counterparts along the AP axis. Consistent with this hypothesis, cell-autonomous induction of apical constriction in Xenopus ectoderm cells was accompanied by the expansion of adjacent non-constricting cells. Our observations indicate that a subset of isotropically constricting cells can initiate neural plate bending, whereas a 'tug-of-war' contest between the force-generating and responding cells reduces its shrinking along the AP axis. This mechanism is an alternative to anisotropic shrinking of cell junctions that are perpendicular to the body axis. We propose that neural folding relies on PCP-dependent transduction of mechanical signals between neuroepithelial cells.
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41
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Zhang P, Medwig-Kinney TN, Goldstein B. Architecture of the cortical actomyosin network driving apical constriction in C. elegans. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.30.526280. [PMID: 36778218 PMCID: PMC9915510 DOI: 10.1101/2023.01.30.526280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Apical constriction is a cell shape change that drives key morphogenetic events during development, including gastrulation and neural tube formation. The forces driving apical constriction are primarily generated through the contraction of apicolateral and/or medioapical actomyosin networks. In the Drosophila ventral furrow, the medioapical actomyosin network has a sarcomere-like architecture, with radially polarized actin filaments and centrally enriched non-muscle myosin II and myosin activating kinase. To determine if this is a broadly conserved actin architecture driving apical constriction, we examined actomyosin architecture during C. elegans gastrulation, in which two endodermal precursor cells internalize from the surface of the embryo. Quantification of protein localization showed that neither the non-muscle myosin II NMY-2 nor the myosin-activating kinase MRCK-1 is enriched at the center of the apex. Further, visualization of barbed- and pointed-end capping proteins revealed that actin filaments do not exhibit radial polarization at the apex. Taken together with observations made in other organisms, our results demonstrate that diverse actomyosin architectures are used in animal cells to accomplish apical constriction. Summary Through live-cell imaging of endogenously-tagged proteins, Zhang, Medwig-Kinney, and Goldstein show that the medioapical actomyosin network driving apical constriction during C. elegans gastrulation is organized diffusely, in contrast to the sarcomere-like architecture previously observed in the Drosophila ventral furrow.
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Affiliation(s)
- Pu Zhang
- Biology Department, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Taylor N. Medwig-Kinney
- Biology Department, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Bob Goldstein
- Biology Department, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
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42
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Ampartzidis I, Efstathiou C, Paonessa F, Thompson EM, Wilson T, McCann CJ, Greene NDE, Copp AJ, Livesey FJ, Elvassore N, Giobbe GG, De Coppi P, Maniou E, Galea GL. Synchronisation of apical constriction and cell cycle progression is a conserved behaviour of pseudostratified neuroepithelia informed by their tissue geometry. Dev Biol 2023; 494:60-70. [PMID: 36509125 PMCID: PMC10570144 DOI: 10.1016/j.ydbio.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/03/2022] [Accepted: 12/08/2022] [Indexed: 12/13/2022]
Abstract
Neuroepithelial cells balance tissue growth requirement with the morphogenetic imperative of closing the neural tube. They apically constrict to generate mechanical forces which elevate the neural folds, but are thought to apically dilate during mitosis. However, we previously reported that mitotic neuroepithelial cells in the mouse posterior neuropore have smaller apical surfaces than non-mitotic cells. Here, we document progressive apical enrichment of non-muscle myosin-II in mitotic, but not non-mitotic, neuroepithelial cells with smaller apical areas. Live-imaging of the chick posterior neuropore confirms apical constriction synchronised with mitosis, reaching maximal constriction by anaphase, before division and re-dilation. Mitotic apical constriction amplitude is significantly greater than interphase constrictions. To investigate conservation in humans, we characterised early stages of iPSC differentiation through dual SMAD-inhibition to robustly produce pseudostratified neuroepithelia with apically enriched actomyosin. These cultured neuroepithelial cells achieve an equivalent apical area to those in mouse embryos. iPSC-derived neuroepithelial cells have large apical areas in G2 which constrict in M phase and retain this constriction in G1/S. Given that this differentiation method produces anterior neural identities, we studied the anterior neuroepithelium of the elevating mouse mid-brain neural tube. Instead of constricting, mid-brain mitotic neuroepithelial cells have larger apical areas than interphase cells. Tissue geometry differs between the apically convex early midbrain and flat posterior neuropore. Culturing human neuroepithelia on equivalently convex surfaces prevents mitotic apical constriction. Thus, neuroepithelial cells undergo high-amplitude apical constriction synchronised with cell cycle progression but the timing of their constriction if influenced by tissue geometry.
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Affiliation(s)
- Ioakeim Ampartzidis
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Christoforos Efstathiou
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Francesco Paonessa
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK; UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research Into Rare Disease in Children, London, UK
| | - Elliott M Thompson
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Tyler Wilson
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Conor J McCann
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Nicholas DE Greene
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Andrew J Copp
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Frederick J Livesey
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK; UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research Into Rare Disease in Children, London, UK
| | - Nicola Elvassore
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK; Veneto Institute of Molecular Medicine, Padova, Italy; UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research Into Rare Disease in Children, London, UK
| | - Giovanni G Giobbe
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK; UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research Into Rare Disease in Children, London, UK
| | - Paolo De Coppi
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK; UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research Into Rare Disease in Children, London, UK; Specialist Neonatal and Paediatric Unit, Great Ormond Street Hospital, London, WC1N 1EH, UK
| | - Eirini Maniou
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK; Veneto Institute of Molecular Medicine, Padova, Italy
| | - Gabriel L Galea
- Developmental Biology and Cancer Department, UCL GOS Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.
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43
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Yoon J, Sun J, Lee M, Hwang YS, Daar IO. Wnt4 and ephrinB2 instruct apical constriction via Dishevelled and non-canonical signaling. Nat Commun 2023; 14:337. [PMID: 36670115 PMCID: PMC9860048 DOI: 10.1038/s41467-023-35991-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 01/11/2023] [Indexed: 01/22/2023] Open
Abstract
Apical constriction is a cell shape change critical to vertebrate neural tube closure, and the contractile force required for this process is generated by actin-myosin networks. The signaling cue that instructs this process has remained elusive. Here, we identify Wnt4 and the transmembrane ephrinB2 protein as playing an instructive role in neural tube closure as members of a signaling complex we termed WERDS (Wnt4, EphrinB2, Ror2, Dishevelled (Dsh2), and Shroom3). Disruption of function or interaction among members of the WERDS complex results in defects of apical constriction and neural tube closure. The mechanism of action involves an interaction of ephrinB2 with the Dsh2 scaffold protein that enhances the formation of the WERDS complex, which in turn, activates Rho-associated kinase to induce apical constriction. Moreover, the ephrinB2/Dsh2 interaction promotes non-canonical Wnt signaling and shows how cross-talk between two major signal transduction pathways, Eph/ephrin and Wnt, coordinate morphogenesis of the neural tube.
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Affiliation(s)
- Jaeho Yoon
- Cancer & Developmental Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA.
| | - Jian Sun
- Cancer & Developmental Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA
| | - Moonsup Lee
- Cancer & Developmental Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA
| | - Yoo-Seok Hwang
- Cancer & Developmental Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA
| | - Ira O Daar
- Cancer & Developmental Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA.
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44
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Christodoulou N, Skourides PA. Somitic mesoderm morphogenesis is necessary for neural tube closure during Xenopus development. Front Cell Dev Biol 2023; 10:1091629. [PMID: 36699010 PMCID: PMC9868421 DOI: 10.3389/fcell.2022.1091629] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 12/23/2022] [Indexed: 01/10/2023] Open
Abstract
Neural tube closure is a fundamental process during vertebrate embryogenesis, which leads to the formation of the central nervous system. Defective neural tube closure leads to neural tube defects which are some of the most common human birth defects. While the intrinsic morphogenetic events shaping the neuroepithelium have been studied extensively, how tissues mechanically coupled with the neural plate influence neural tube closure remains poorly understood. Here, using Xenopus laevis embryos, live imaging in combination with loss of function experiments and morphometric analysis of fixed samples we explore the reciprocal mechanical communication between the neural plate and the somitic mesoderm and its impact on tissue morphogenesis. We show that although somitic mesoderm convergent extension occurs independently from neural plate morphogenesis neural tube closure depends on somitic mesoderm morphogenesis. Specifically, impaired somitic mesoderm remodelling results in defective apical constriction within the neuroepithelium and failure of neural tube closure. Last, our data reveal that mild abnormalities in somitic mesoderm and neural plate morphogenesis have a synergistic effect during neurulation, leading to severe neural tube closure defects. Overall, our data reveal that defective morphogenesis of tissues mechanically coupled with the neural plate can not only drastically exacerbate mild neural tube defects that may arise from abnormalities within the neural tissue but can also elicit neural tube defects even when the neural plate is itself free of inherent defects.
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45
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Handler C, Scarcelli G, Zhang J. Time-lapse mechanical imaging of neural tube closure in live embryo using Brillouin microscopy. Sci Rep 2023; 13:263. [PMID: 36609620 PMCID: PMC9823106 DOI: 10.1038/s41598-023-27456-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 01/02/2023] [Indexed: 01/09/2023] Open
Abstract
Neural tube closure (NTC) is a complex process of embryonic development involving molecular, cellular, and biomechanical mechanisms. While the genetic factors and biochemical signaling have been extensively investigated, the role of tissue biomechanics remains mostly unexplored due to the lack of tools. Here, we developed an optical modality that can conduct time-lapse mechanical imaging of neural plate tissue as the embryo is experiencing neurulation. This technique is based on the combination of a confocal Brillouin microscope and a modified ex ovo culturing of chick embryo with an on-stage incubator. With this technique, for the first time, we captured the mechanical evolution of the neural plate tissue with live embryos. Specifically, we observed the continuous increase in tissue modulus of the neural plate during NTC for ex ovo cultured embryos, which is consistent with the data of in ovo culture as well as previous studies. Beyond that, we found that the increase in tissue modulus was highly correlated with the tissue thickening and bending. We foresee this non-contact and label-free technique opening new opportunities to understand the biomechanical mechanisms in embryonic development.
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Affiliation(s)
- Chenchen Handler
- grid.164295.d0000 0001 0941 7177Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742 USA
| | - Giuliano Scarcelli
- grid.164295.d0000 0001 0941 7177Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742 USA
| | - Jitao Zhang
- Department of Biomedical Engineering, Wayne State University, Detroit, MI, 48201, USA.
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Sutlive J, Seyyedhosseinzadeh H, Ao Z, Xiu H, Choudhury S, Gou K, Guo F, Chen Z. Mechanics of morphogenesis in neural development: In vivo, in vitro, and in silico. BRAIN MULTIPHYSICS 2023. [DOI: 10.1016/j.brain.2022.100062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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47
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Kopecny LR, Lee BWH, Coroneo MT. A systematic review on the effects of ROCK inhibitors on proliferation and/or differentiation in human somatic stem cells: A hypothesis that ROCK inhibitors support corneal endothelial healing via acting on the limbal stem cell niche. Ocul Surf 2023; 27:16-29. [PMID: 36586668 DOI: 10.1016/j.jtos.2022.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/18/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022]
Abstract
Rho kinase inhibitors (ROCKi) have attracted growing multidisciplinary interest, particularly in Ophthalmology where the question as to how they promote corneal endothelial healing remains unresolved. Concurrently, stem cell biology has rapidly progressed in unravelling drivers of stem cell (SC) proliferation and differentiation, where mechanical niche factors and the actin cytoskeleton are increasingly recognized as key players. There is mounting evidence from the study of the peripheral corneal endothelium that supports the likelihood of an internal limbal stem cell niche. The possibility that ROCKi stimulate the endothelial SC niche has not been addressed. Furthermore, there is currently a paucity of data that directly evaluates whether ROCKi promotes corneal endothelial healing by acting on this limbal SC niche located near the transition zone. Therefore, we performed a systematic review examining the effects ROCKi on the proliferation and differentiation of human somatic SC, to provide insight into its effects on various human SC populations. An appraisal of electronic searches of four databases identified 1 in vivo and 58 in vitro studies (36 evaluated proliferation while 53 examined differentiation). Types of SC studied included mesenchymal (n = 32), epithelial (n = 11), epidermal (n = 8), hematopoietic and other (n = 8). The ROCK 1/2 selective inhibitor Y-27632 was used in almost all studies (n = 58), while several studies evaluated ≥2 ROCKi (n = 4) including fasudil, H-1152, and KD025. ROCKi significantly influenced human somatic SC proliferation in 81% of studies (29/36) and SC differentiation in 94% of studies (50/53). The present systemic review highlights that ROCKi are influential in regulating human SC proliferation and differentiation, and provides evidence to support the hypothesis that ROCKi promotes corneal endothelial division and maintenance via acting on the inner limbal SC niche.
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Affiliation(s)
- Lloyd R Kopecny
- School of Clinical Medicine, University of New South Wales, Sydney, Australia.
| | - Brendon W H Lee
- Department of Ophthalmology, School of Clinical Medicine, University of New South Wales, Level 2 South Wing, Edmund Blacket Building, Prince of Wales Hospital, Randwick, NSW, 2031, Australia
| | - Minas T Coroneo
- Department of Ophthalmology, Prince of Wales Hospital, Sydney, Australia
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48
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Liebscher I, Cevheroğlu O, Hsiao CC, Maia AF, Schihada H, Scholz N, Soave M, Spiess K, Trajković K, Kosloff M, Prömel S. A guide to adhesion GPCR research. FEBS J 2022; 289:7610-7630. [PMID: 34729908 DOI: 10.1111/febs.16258] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 10/20/2021] [Accepted: 11/01/2021] [Indexed: 01/14/2023]
Abstract
Adhesion G protein-coupled receptors (aGPCRs) are a class of structurally and functionally highly intriguing cell surface receptors with essential functions in health and disease. Thus, they display a vastly unexploited pharmacological potential. Our current understanding of the physiological functions and signaling mechanisms of aGPCRs form the basis for elucidating further molecular aspects. Combining these with novel tools and methodologies from different fields tailored for studying these unusual receptors yields a powerful potential for pushing aGPCR research from singular approaches toward building up an in-depth knowledge that will facilitate its translation to applied science. In this review, we summarize the state-of-the-art knowledge on aGPCRs in respect to structure-function relations, physiology, and clinical aspects, as well as the latest advances in the field. We highlight the upcoming most pressing topics in aGPCR research and identify strategies to tackle them. Furthermore, we discuss approaches how to promote, stimulate, and translate research on aGPCRs 'from bench to bedside' in the future.
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Affiliation(s)
- Ines Liebscher
- Division of Molecular Biochemistry, Medical Faculty, Rudolf Schönheimer Institute of Biochemistry, Leipzig University, Germany
| | | | - Cheng-Chih Hsiao
- Department of Experimental Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam University Medical Centers, University of Amsterdam, The Netherlands
| | - André F Maia
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal.,IBMC - Instituto Biologia Molecular e Celular, Universidade do Porto, Portugal
| | - Hannes Schihada
- C3 Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
| | - Nicole Scholz
- Division of General Biochemistry, Medical Faculty, Rudolf Schönheimer Institute of Biochemistry, Leipzig University, Germany
| | - Mark Soave
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, UK
| | - Katja Spiess
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Katarina Trajković
- Biology of Robustness Group, Mediterranean Institute for Life Sciences, Split, Croatia
| | - Mickey Kosloff
- Department of Human Biology, Faculty of Natural Sciences, The University of Haifa, Israel
| | - Simone Prömel
- Institute of Cell Biology, Department of Biology, Heinrich Heine University, Düsseldorf, Germany
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Shi DL. Wnt/planar cell polarity signaling controls morphogenetic movements of gastrulation and neural tube closure. Cell Mol Life Sci 2022; 79:586. [PMID: 36369349 DOI: 10.1007/s00018-022-04620-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 11/13/2022]
Abstract
Gastrulation and neurulation are successive morphogenetic processes that play key roles in shaping the basic embryonic body plan. Importantly, they operate through common cellular and molecular mechanisms to set up the three spatially organized germ layers and to close the neural tube. During gastrulation and neurulation, convergent extension movements driven by cell intercalation and oriented cell division generate major forces to narrow the germ layers along the mediolateral axis and elongate the embryo in the anteroposterior direction. Apical constriction also makes an important contribution to promote the formation of the blastopore and the bending of the neural plate. Planar cell polarity proteins are major regulators of asymmetric cell behaviors and critically involved in a wide variety of developmental processes, from gastrulation and neurulation to organogenesis. Mutations of planar cell polarity genes can lead to general defects in the morphogenesis of different organs and the co-existence of distinct congenital diseases, such as spina bifida, hearing deficits, kidney diseases, and limb elongation defects. This review outlines our current understanding of non-canonical Wnt signaling, commonly known as Wnt/planar cell polarity signaling, in regulating morphogenetic movements of gastrulation and neural tube closure during development and disease. It also attempts to identify unanswered questions that deserve further investigations.
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Affiliation(s)
- De-Li Shi
- Institute of Medical Research, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China. .,Laboratory of Developmental Biology, CNRS-UMR7622, Institut de Biologie Paris-Seine (IBPS), Sorbonne University, Paris, France.
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50
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Sharrock TE, Evans J, Blanchard GB, Sanson B. Different temporal requirements for tartan and wingless in the formation of contractile interfaces at compartmental boundaries. Development 2022; 149:dev200292. [PMID: 36178136 PMCID: PMC9687003 DOI: 10.1242/dev.200292] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 09/12/2022] [Indexed: 10/21/2023]
Abstract
Compartmental boundaries physically separate developing tissues into distinct regions, which is fundamental for the organisation of the body plan in both insects and vertebrates. In many examples, this physical segregation is caused by a regulated increase in contractility of the actomyosin cortex at boundary cell-cell interfaces, a property important in developmental morphogenesis beyond compartmental boundary formation. We performed an unbiased screening approach to identify cell surface receptors required for actomyosin enrichment and polarisation at parasegmental boundaries (PSBs) in early Drosophila embryos, from the start of germband extension at gastrulation and throughout the germband extended stages (stages 6 to 11). First, we find that Tartan is required during germband extension for actomyosin enrichment at PSBs, confirming an earlier report. Next, by following in real time the dynamics of loss of boundary straightness in tartan mutant embryos compared with wild-type and ftz mutant embryos, we show that Tartan is required during germband extension but not beyond. We identify candidate genes that could take over from Tartan at PSBs and confirm that at germband extended stages, actomyosin enrichment at PSBs requires Wingless signalling.
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Affiliation(s)
- Thomas E. Sharrock
- Departmentof Physiology, Development and Neuroscience, University of Cambridge, Anatomy Building, Cambridge CB2 3DY, UK
| | - Jenny Evans
- Departmentof Physiology, Development and Neuroscience, University of Cambridge, Anatomy Building, Cambridge CB2 3DY, UK
| | - Guy B. Blanchard
- Departmentof Physiology, Development and Neuroscience, University of Cambridge, Anatomy Building, Cambridge CB2 3DY, UK
| | - Bénédicte Sanson
- Departmentof Physiology, Development and Neuroscience, University of Cambridge, Anatomy Building, Cambridge CB2 3DY, UK
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