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Stehbens SJ, Scarpa E, White MD. Perspectives in collective cell migration - moving forward. J Cell Sci 2024; 137:jcs261549. [PMID: 38904172 DOI: 10.1242/jcs.261549] [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: 06/22/2024] Open
Abstract
Collective cell migration, where cells move as a cohesive unit, is a vital process underlying morphogenesis and cancer metastasis. Thanks to recent advances in imaging and modelling, we are beginning to understand the intricate relationship between a cell and its microenvironment and how this shapes cell polarity, metabolism and modes of migration. The use of biophysical and mathematical models offers a fresh perspective on how cells migrate collectively, either flowing in a fluid-like state or transitioning to more static states. Continuing to unite researchers in biology, physics and mathematics will enable us to decode more complex biological behaviours that underly collective cell migration; only then can we understand how this coordinated movement of cells influences the formation and organisation of tissues and directs the spread of metastatic cancer. In this Perspective, we highlight exciting discoveries, emerging themes and common challenges that have arisen in recent years, and possible ways forward to bridge the gaps in our current understanding of collective cell migration.
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Affiliation(s)
- Samantha J Stehbens
- The University of Queensland, Australian Institute for Bioengineering and Nanotechnology, St Lucia, Brisbane, QLD 4072, Australia
- The University of Queensland, Institute for Molecular Bioscience, St Lucia, Brisbane, QLD 4072, Australia
| | - Elena Scarpa
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3DY, UK
| | - Melanie D White
- The University of Queensland, Institute for Molecular Bioscience, St Lucia, Brisbane, QLD 4072, Australia
- The University of Queensland, School of Biomedical Sciences, St Lucia, Brisbane, QLD 4072, Australia
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2
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Kroll J, Renkawitz J. Principles of organelle positioning in motile and non-motile cells. EMBO Rep 2024; 25:2172-2187. [PMID: 38627564 PMCID: PMC11094012 DOI: 10.1038/s44319-024-00135-4] [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: 11/13/2023] [Revised: 03/15/2024] [Accepted: 04/04/2024] [Indexed: 05/16/2024] Open
Abstract
Cells are equipped with asymmetrically localised and functionally specialised components, including cytoskeletal structures and organelles. Positioning these components to specific intracellular locations in an asymmetric manner is critical for their functionality and affects processes like immune responses, tissue maintenance, muscle functionality, and neurobiology. Here, we provide an overview of strategies to actively move, position, and anchor organelles to specific locations. By conceptualizing the cytoskeletal forces and the organelle-to-cytoskeleton connectivity, we present a framework of active positioning of both membrane-enclosed and membrane-less organelles. Using this framework, we discuss how different principles of force generation and organelle anchorage are utilised by different cells, such as mesenchymal and amoeboid cells, and how the microenvironment influences the plasticity of organelle positioning. Given that motile cells face the challenge of coordinating the positioning of their content with cellular motion, we particularly focus on principles of organelle positioning during migration. In this context, we discuss novel findings on organelle positioning by anchorage-independent mechanisms and their advantages and disadvantages in motile as well as stationary cells.
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Affiliation(s)
- Janina Kroll
- Biomedical Center, Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, Ludwig Maximilians Universität München, Munich, Germany
| | - Jörg Renkawitz
- Biomedical Center, Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, Ludwig Maximilians Universität München, Munich, Germany.
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3
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Peglion F, Etienne-Manneville S. Cell polarity changes in cancer initiation and progression. J Cell Biol 2024; 223:e202308069. [PMID: 38091012 PMCID: PMC10720656 DOI: 10.1083/jcb.202308069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/17/2023] Open
Abstract
Cell polarity, which consists of the morphological, structural, and functional organization of cells along a defined axis, is a feature of healthy cells and tissues. In contrast, abnormal polarity is a hallmark of cancer cells. At the molecular level, key evolutionarily conserved proteins that control polarity establishment and maintenance in various contexts are frequently altered in cancer, but the relevance of these molecular alterations in the oncogenic processes is not always clear. Here, we summarize the recent findings, shedding new light on the involvement of polarity players in cancer development, and discuss the possibility of harnessing cell polarity changes to better predict, diagnose, and cure cancers.
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Affiliation(s)
- Florent Peglion
- Cell Polarity, Migration and Cancer Unit, Université de Paris, UMR3691 CNRS, Equipe Labellisée Ligue 2023, Institut Pasteur, Paris, France
| | - Sandrine Etienne-Manneville
- Cell Polarity, Migration and Cancer Unit, Université de Paris, UMR3691 CNRS, Equipe Labellisée Ligue 2023, Institut Pasteur, Paris, France
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4
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Thapa N, Wen T, Cryns VL, Anderson RA. Regulation of Cell Adhesion and Migration via Microtubule Cytoskeleton Organization, Cell Polarity, and Phosphoinositide Signaling. Biomolecules 2023; 13:1430. [PMID: 37892112 PMCID: PMC10604632 DOI: 10.3390/biom13101430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/24/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
The capacity for cancer cells to metastasize to distant organs depends on their ability to execute the carefully choreographed processes of cell adhesion and migration. As most human cancers are of epithelial origin (carcinoma), the transcriptional downregulation of adherent/tight junction proteins (e.g., E-cadherin, Claudin and Occludin) with the concomitant gain of adhesive and migratory phenotypes has been extensively studied. Most research and reviews on cell adhesion and migration focus on the actin cytoskeleton and its reorganization. However, metastasizing cancer cells undergo the extensive reorganization of their cytoskeletal system, specifically in originating/nucleation sites of microtubules and their orientation (e.g., from non-centrosomal to centrosomal microtubule organizing centers). The precise mechanisms by which the spatial and temporal reorganization of microtubules are linked functionally with the acquisition of an adhesive and migratory phenotype as epithelial cells reversibly transition into mesenchymal cells during metastasis remains poorly understood. In this Special Issue of "Molecular Mechanisms Underlying Cell Adhesion and Migration", we highlight cell adhesion and migration from the perspectives of microtubule cytoskeletal reorganization, cell polarity and phosphoinositide signaling.
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Affiliation(s)
- Narendra Thapa
- The Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI 53705, USA; (T.W.); (V.L.C.)
| | - Tianmu Wen
- The Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI 53705, USA; (T.W.); (V.L.C.)
| | - Vincent L. Cryns
- The Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI 53705, USA; (T.W.); (V.L.C.)
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI 53705, USA
| | - Richard A. Anderson
- The Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI 53705, USA; (T.W.); (V.L.C.)
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5
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Qu K, Wang C, Huang L, Qin X, Zhang K, Qiu J, Wang G. Oscillatory shear stress-induced downregulation of TET1s injures vascular endothelial planar cell polarity by suppression of actin polymerization. APL Bioeng 2023; 7:036104. [PMID: 37533755 PMCID: PMC10393427 DOI: 10.1063/5.0141289] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/29/2023] [Indexed: 08/04/2023] Open
Abstract
Vascular endothelial polarity induced by blood flow plays crucial roles in the development of atherosclerosis. Loss of endothelial polarity leads to an increase in permeability and leukocyte recruitment, which are crucial hallmarks of atherosclerotic initiation. Endothelial cells exhibit a morphological adaptation to hemodynamic shear stress and possesses planar cell polarity to the direction of blood flow. However, the mechanism of how hemodynamic shear stress regulates endothelial planar cell polarity has not been firmly established. Here, we found that TET1s, a short isoform of Tet methylcytosine dioxygenase 1, was a mediator in the regulation of the planar cell polarity in endothelial cells in response to hemodynamic shear stress. In the process, low expression of TET1s induced by oscillatory shear stress led to the endothelial planar polarity damage through inhibition of F-actin polymerization. TET1s can regulate demethylation level of the sFRP-1 promoter to alter the expression of sFRP-1, which affects the interaction of sFRP-1/Fzd4 and F-actin polymerization. Our study revealed the mechanism of how TET1s mediates endothelial planar cell polarity in response to hemodynamic shear stress and provides a new insight for the prevention of atherosclerosis.
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Affiliation(s)
| | - Caihong Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | | | | | | | - Juhui Qiu
- Authors to whom correspondence should be addressed: and
| | - Guixue Wang
- Authors to whom correspondence should be addressed: and
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6
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Ikami K, Shoffner-Beck S, Tyczynska Weh M, Schnell S, Yoshida S, Diaz Miranda EA, Ko S, Lei L. Branched germline cysts and female-specific cyst fragmentation facilitate oocyte determination in mice. Proc Natl Acad Sci U S A 2023; 120:e2219683120. [PMID: 37155904 PMCID: PMC10194012 DOI: 10.1073/pnas.2219683120] [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: 11/17/2022] [Accepted: 04/03/2023] [Indexed: 05/10/2023] Open
Abstract
During mouse gametogenesis, germ cells derived from the same progenitor are connected via intercellular bridges forming germline cysts, within which asymmetrical or symmetrical cell fate occurs in female and male germ cells, respectively. Here, we have identified branched cyst structures in mice, and investigated their formation and function in oocyte determination. In fetal female cysts, 16.8% of the germ cells are connected by three or four bridges, namely branching germ cells. These germ cells are preferentially protected from cell death and cyst fragmentation and accumulate cytoplasm and organelles from sister germ cells to become primary oocytes. Changes in cyst structure and differential cell volumes among cyst germ cells suggest that cytoplasmic transport in germline cysts is conducted in a directional manner, in which cellular content is first transported locally between peripheral germ cells and further enriched in branching germ cells, a process causing selective germ cell loss in cysts. Cyst fragmentation occurs extensively in female cysts, but not in male cysts. Male cysts in fetal and adult testes have branched cyst structures, without differential cell fates between germ cells. During fetal cyst formation, E-cadherin (E-cad) junctions between germ cells position intercellular bridges to form branched cysts. Disrupted junction formation in E-cad-depleted cysts led to an altered ratio in branched cysts. Germ cell-specific E-cad knockout resulted in reductions in primary oocyte number and oocyte size. These findings shed light on how oocyte fate is determined within mouse germline cysts.
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Affiliation(s)
- Kanako Ikami
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI48109
- Buck Institute for Research on Aging, Novato, CA94945
| | - Suzanne Shoffner-Beck
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI48109
| | - Malgorzata Tyczynska Weh
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI48109
| | - Santiago Schnell
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI48109
| | - Shosei Yoshida
- Division of Germ Cell Biology, National Institute for Basic Biology, Okazaki, Aichi444-8585, Japan
- Graduate Institute for Advanced Studies, Sokendai, Okazaki, Aichi444-8585, Japan
| | - Edgar Andres Diaz Miranda
- Department of Obstetrics, Gynecology and Women’s Health, University of Missouri School of Medicine, Columbia, MO65211
| | - Sooah Ko
- Department of Obstetrics, Gynecology and Women’s Health, University of Missouri School of Medicine, Columbia, MO65211
| | - Lei Lei
- Department of Obstetrics, Gynecology and Women’s Health, University of Missouri School of Medicine, Columbia, MO65211
- Division of Biological Sciences, College of Arts and Sciences, University of Missouri, Columbia, MO65211
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7
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Charnley M, Allam AH, Newton LM, Humbert PO, Russell SM. E-cadherin in developing murine T cells controls spindle alignment and progression through β-selection. SCIENCE ADVANCES 2023; 9:eade5348. [PMID: 36652509 DOI: 10.1126/sciadv.ade5348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
A critical stage of T cell development is β-selection; at this stage, the T cell receptor β (TCRβ) chain is generated, and the developing T cell starts to acquire antigenic specificity. Progression through β-selection is assisted by low-affinity interactions between the nascent TCRβ chain and peptide presented on stromal major histocompatibility complex and cues provided by the niche. In this study, we identify a cue within the developing T cell niche that is critical for T cell development. E-cadherin mediates cell-cell interactions and influences cell fate in many developmental systems. In developing T cells, E-cadherin contributed to the formation of an immunological synapse and the alignment of the mitotic spindle with the polarity axis during division, which facilitated subsequent T cell development. Collectively, these data suggest that E-cadherin facilitates interactions with the thymic niche to coordinate the β-selection stage of T cell development.
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Affiliation(s)
- Mirren Charnley
- Optical Sciences Centre, School of Science, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Immune Signalling Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Amr H Allam
- Optical Sciences Centre, School of Science, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Immune Signalling Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Lucas M Newton
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
- Research Centre for Molecular Cancer Prevention, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Patrick O Humbert
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
- Research Centre for Molecular Cancer Prevention, La Trobe University, Melbourne, Victoria 3086, Australia
- Department of Biochemistry and Pharmacology, University of Melbourne, Melbourne, Victoria 3010, Australia
- Department of Clinical Pathology, University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Sarah M Russell
- Optical Sciences Centre, School of Science, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Immune Signalling Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Victoria 3010, Australia
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8
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Yepes M. The uPA/uPAR system in astrocytic wound healing. Neural Regen Res 2022; 17:2404-2406. [PMID: 35535878 PMCID: PMC9120704 DOI: 10.4103/1673-5374.338991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/22/2021] [Accepted: 12/20/2021] [Indexed: 11/11/2022] Open
Abstract
The repair of injured tissue is a highly complex process that involves cell proliferation, differentiation, and migration. Cell migration requires the dismantling of intercellular contacts in the injured zone and their subsequent reconstitution in the wounded area. Urokinase-type plasminogen activator (uPA) is a serine proteinase found in multiple cell types including endothelial cells, smooth muscle cells, monocytes, and macrophages. A substantial body of experimental evidence with different cell types outside the central nervous system indicates that the binding of uPA to its receptor (uPAR) on the cell surface prompts cell migration by inducing plasmin-mediated degradation of the extracellular matrix. In contrast, although uPA and uPAR are abundantly found in astrocytes and uPA binding to uPAR triggers astrocytic activation, it is unknown if uPA also plays a role in astrocytic migration. Neuronal cadherin is a member of cell adhesion proteins pivotal for the formation of cell-cell contacts between astrocytes. More specifically, while the extracellular domain of neuronal cadherin interacts with the extracellular domain of neuronal cadherin in neighboring cells, its intracellular domain binds to β-catenin, which in turn links the complex to the actin cytoskeleton. Glycogen synthase kinase 3β is a serine-threonine kinase that prevents the cytoplasmic accumulation of β-catenin by inducing its phosphorylation at Ser33, Ser37, and Ser41, thus activating a sequence of events that lead to its proteasomal degradation. The data discussed in this perspective indicate that astrocytes release uPA following a mechanical injury, and that binding of this uPA to uPAR on the cell membrane induces the detachment of β-catenin from the intracellular domain of neuronal cadherin by triggering its extracellular signal-regulated kinase 1/2-mediated phosphorylation at Tyr650. Remarkably, this is followed by the cytoplasmic accumulation of β-catenin because uPA-induced extracellular signal-regulated kinase 1/2 activation also phosphorylates lipoprotein receptor-related protein 6 at Ser1490, which in turn, by recruiting glycogen synthase kinase 3β to its intracellular domain abrogates its effect on β-catenin. The cytoplasmic accumulation of β-catenin is followed by its nuclear translocation, where it induces the expression of uPAR, which is required for the migration of astrocytes from the injured edge into the wounded area.
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Affiliation(s)
- Manuel Yepes
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA, USA
- Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA
- Department of Neurology, Veterans Affairs Medical Center, Atlanta, GA, USA
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9
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Sri-Ranjan K, Sanchez-Alonso JL, Swiatlowska P, Rothery S, Novak P, Gerlach S, Koeninger D, Hoffmann B, Merkel R, Stevens MM, Sun SX, Gorelik J, Braga VMM. Intrinsic cell rheology drives junction maturation. Nat Commun 2022; 13:4832. [PMID: 35977954 PMCID: PMC9385638 DOI: 10.1038/s41467-022-32102-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 07/15/2022] [Indexed: 12/02/2022] Open
Abstract
A fundamental property of higher eukaryotes that underpins their evolutionary success is stable cell-cell cohesion. Yet, how intrinsic cell rheology and stiffness contributes to junction stabilization and maturation is poorly understood. We demonstrate that localized modulation of cell rheology governs the transition of a slack, undulated cell-cell contact (weak adhesion) to a mature, straight junction (optimal adhesion). Cell pairs confined on different geometries have heterogeneous elasticity maps and control their own intrinsic rheology co-ordinately. More compliant cell pairs grown on circles have slack contacts, while stiffer triangular cell pairs favour straight junctions with flanking contractile thin bundles. Counter-intuitively, straighter cell-cell contacts have reduced receptor density and less dynamic junctional actin, suggesting an unusual adaptive mechano-response to stabilize cell-cell adhesion. Our modelling informs that slack junctions arise from failure of circular cell pairs to increase their own intrinsic stiffness and resist the pressures from the neighbouring cell. The inability to form a straight junction can be reversed by increasing mechanical stress artificially on stiffer substrates. Our data inform on the minimal intrinsic rheology to generate a mature junction and provide a springboard towards understanding elements governing tissue-level mechanics.
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Affiliation(s)
- K Sri-Ranjan
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - J L Sanchez-Alonso
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - P Swiatlowska
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - S Rothery
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - P Novak
- School of Engineering and Materials Science, Queen Mary University, London, UK
| | - S Gerlach
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - D Koeninger
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - B Hoffmann
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - R Merkel
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - M M Stevens
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering Imperial College London, London, UK
| | - S X Sun
- Department of Mechanical Engineering and Institute of NanoBioTechnology, Johns Hopkins University, Baltimore Maryland, USA
| | - J Gorelik
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
| | - Vania M M Braga
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
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10
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Abstract
E-cadherin is the main component of epithelial adherens junctions (AJs), which play a crucial role in the maintenance of stable cell-cell adhesion and overall tissue integrity. Down-regulation of E-cadherin expression has been found in many carcinomas, and loss of E-cadherin is generally associated with poor prognosis in patients. During the last decade, however, numerous studies have shown that E-cadherin is essential for several aspects of cancer cell biology that contribute to cancer progression, most importantly, active cell migration. In this review, we summarize the available data about the input of E-cadherin in cancer progression, focusing on the latest advances in the research of the various roles E-cadherin-based AJs play in cancer cell dissemination. The review also touches upon the "cadherin switching" in cancer cells where N- or P-cadherin replace or are co-expressed with E-cadherin and its influence on the migratory properties of cancer cells.
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Affiliation(s)
- Svetlana N Rubtsova
- N.N. Blokhin National Medical Research Center of Oncology, Institute of Carcinogenesis, Moscow, Russia
| | - Irina Y Zhitnyak
- N.N. Blokhin National Medical Research Center of Oncology, Institute of Carcinogenesis, Moscow, Russia
| | - Natalya A Gloushankova
- N.N. Blokhin National Medical Research Center of Oncology, Institute of Carcinogenesis, Moscow, Russia
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11
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Mikami R, Arisaka Y, Hakariya M, Iwata T, Yui N. Improved epithelial cell-cell adhesion using molecular mobility of supramolecular surfaces. Biomater Sci 2021; 9:7151-7158. [PMID: 34605503 DOI: 10.1039/d1bm01356d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cells can sense the surrounding microenvironmental properties including contact with biomaterials. Although in vitro cell fates in response to the physical properties of cell-adhesive materials have been widely reported, their influence on cell-cell adhesion is unclear. Here, we investigated the role of molecular mobility on polyrotaxane surfaces in epithelial cell-cell adhesion. Polyrotaxane surfaces with high mobility induced cytoplasmic yes-associated protein (YAP) localization in epithelial cells, whereas those with low mobility induced nuclear YAP localization, suggesting that YAP localization is switched by the mobility of the polyrotaxane surface. The cytoplasmic YAP localization increased the expression of tight junction-associated genes. A scratch assay revealed that although the epithelial cells on the low mobile surface rapidly initiated their migration, the cells on the highly mobile surface delayed their migration. Thus, this finding suggests that polyrotaxane surfaces with higher mobility induce cytoplasmic YAP localization, leading to stronger cell-cell adhesion. The polyrotaxane biointerface is promising as a powerful tool to improve the physical immune system and repair biological tissues.
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Affiliation(s)
- Ryo Mikami
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Yoshinori Arisaka
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan.
| | - Masahiro Hakariya
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Takanori Iwata
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan.
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12
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Modelling Nuclear Morphology and Shape Transformation: A Review. MEMBRANES 2021; 11:membranes11070540. [PMID: 34357190 PMCID: PMC8304582 DOI: 10.3390/membranes11070540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/14/2021] [Accepted: 07/14/2021] [Indexed: 11/20/2022]
Abstract
As one of the most important cellular compartments, the nucleus contains genetic materials and separates them from the cytoplasm with the nuclear envelope (NE), a thin membrane that is susceptible to deformations caused by intracellular forces. Interestingly, accumulating evidence has also indicated that the morphology change of NE is tightly related to nuclear mechanotransduction and the pathogenesis of diseases such as cancer and Hutchinson–Gilford Progeria Syndrome. Theoretically, with the help of well-designed experiments, significant progress has been made in understanding the physical mechanisms behind nuclear shape transformation in different cellular processes as well as its biological implications. Here, we review different continuum-level (i.e., energy minimization, boundary integral and finite element-based) approaches that have been developed to predict the morphology and shape change of the cell nucleus. Essential gradients, relative advantages and limitations of each model will be discussed in detail, with the hope of sparking a greater research interest in this important topic in the future.
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13
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Diaz A, Martin-Jimenez C, Xu Y, Merino P, Woo Y, Torre E, Yepes M. Urokinase-type plasminogen activator-mediated crosstalk between N-cadherin and β-catenin promotes wound healing. J Cell Sci 2021; 134:jcs255919. [PMID: 34085693 PMCID: PMC8214757 DOI: 10.1242/jcs.255919] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 04/26/2021] [Indexed: 11/20/2022] Open
Abstract
Urokinase-type plasminogen activator (uPA; encoded by Plau) is a serine proteinase that, in the central nervous system, induces astrocytic activation. β-Catenin is a protein that links the cytoplasmic tail of cadherins to the actin cytoskeleton, thus securing the formation of cadherin-mediated cell adhesion complexes. Disruption of cell-cell contacts leads to the detachment of β-catenin from cadherins, and β-catenin is then degraded by the proteasome following its phosphorylation by GSK3β. Here, we show that astrocytes release uPA following a scratch injury, and that this uPA promotes wound healing via a plasminogen-independent mechanism. We found that uPA induces the detachment of β-catenin from the cytoplasmic tail of N-cadherin (NCAD; also known as CDH2) by triggering its phosphorylation at Tyr654. Surprisingly, this is not followed by degradation of β-catenin because uPA also induces the phosphorylation of the low density lipoprotein receptor-related protein 6 (LRP6) at Ser1490, which then blocks the kinase activity of GSK3β. Our work indicates that the ensuing cytoplasmic accumulation of β-catenin is followed by its nuclear translocation and β-catenin-triggered transcription of the receptor for uPA (Plaur), which in turn is required for uPA to induce astrocytic wound healing.
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Affiliation(s)
- Ariel Diaz
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Cynthia Martin-Jimenez
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Yang Xu
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Paola Merino
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Yena Woo
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Enrique Torre
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Manuel Yepes
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Atlanta, GA 30329, USA
- Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Neurology, Veterans Affairs Medical Center, Atlanta, GA 30033, USA
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14
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Ozawa M, Hiver S, Yamamoto T, Shibata T, Upadhyayula S, Mimori-Kiyosue Y, Takeichi M. Adherens junction regulates cryptic lamellipodia formation for epithelial cell migration. J Cell Biol 2021; 219:152072. [PMID: 32886101 PMCID: PMC7659716 DOI: 10.1083/jcb.202006196] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/22/2020] [Accepted: 07/27/2020] [Indexed: 12/12/2022] Open
Abstract
Collective migration of epithelial cells plays crucial roles in various biological processes such as cancer invasion. In migrating epithelial sheets, leader cells form lamellipodia to advance, and follower cells also form similar motile apparatus at cell-cell boundaries, which are called cryptic lamellipodia (c-lamellipodia). Using adenocarcinoma-derived epithelial cells, we investigated how c-lamellipodia form and found that they sporadically grew from around E-cadherin-based adherens junctions (AJs). WAVE and Arp2/3 complexes were localized along the AJs, and silencing them not only interfered with c-lamellipodia formation but also prevented follower cells from trailing the leaders. Disruption of AJs by removing αE-catenin resulted in uncontrolled c-lamellipodia growth, and this was brought about by myosin II activation and the resultant contraction of AJ-associated actomyosin cables. Additional observations indicated that c-lamellipodia tended to grow at mechanically weak sites of the junction. We conclude that AJs not only tie cells together but also support c-lamellipodia formation by recruiting actin regulators, enabling epithelial cells to undergo ordered collective migration.
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Affiliation(s)
- Masayuki Ozawa
- Laboratory for Cell Adhesion and Tissue Patterning, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Sylvain Hiver
- Laboratory for Cell Adhesion and Tissue Patterning, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Takaki Yamamoto
- Laboratory for Physical Biology, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Tatsuo Shibata
- Laboratory for Physical Biology, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Srigokul Upadhyayula
- Advanced Bioimaging Center, Department of Molecular & Cell Biology, University of California, Berkeley, Berkeley, CA
| | - Yuko Mimori-Kiyosue
- Laboratory for Molecular and Cellular Dynamics, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
| | - Masatoshi Takeichi
- Laboratory for Cell Adhesion and Tissue Patterning, RIKEN Center for Biosystems Dynamics Research, Kobe, Japan
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15
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Jimenez AJ, Schaeffer A, De Pascalis C, Letort G, Vianay B, Bornens M, Piel M, Blanchoin L, Théry M. Acto-myosin network geometry defines centrosome position. Curr Biol 2021; 31:1206-1220.e5. [DOI: 10.1016/j.cub.2021.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 11/20/2020] [Accepted: 01/04/2021] [Indexed: 10/22/2022]
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16
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Grimsley-Myers CM, Isaacson RH, Cadwell CM, Campos J, Hernandes MS, Myers KR, Seo T, Giang W, Griendling KK, Kowalczyk AP. VE-cadherin endocytosis controls vascular integrity and patterning during development. J Cell Biol 2021; 219:151601. [PMID: 32232465 PMCID: PMC7199849 DOI: 10.1083/jcb.201909081] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 01/10/2020] [Accepted: 02/28/2020] [Indexed: 12/18/2022] Open
Abstract
Tissue morphogenesis requires dynamic intercellular contacts that are subsequently stabilized as tissues mature. The mechanisms governing these competing adhesive properties are not fully understood. Using gain- and loss-of-function approaches, we tested the role of p120-catenin (p120) and VE-cadherin (VE-cad) endocytosis in vascular development using mouse mutants that exhibit increased (VE-cadGGG/GGG) or decreased (VE-cadDEE/DEE) internalization. VE-cadGGG/GGG mutant mice exhibited reduced VE-cad-p120 binding, reduced VE-cad levels, microvascular hemorrhaging, and decreased survival. By contrast, VE-cadDEE/DEE mutants exhibited normal vascular permeability but displayed microvascular patterning defects. Interestingly, VE-cadDEE/DEE mutant mice did not require endothelial p120, demonstrating that p120 is dispensable in the context of a stabilized cadherin. In vitro, VE-cadDEE mutant cells displayed defects in polarization and cell migration that were rescued by uncoupling VE-cadDEE from actin. These results indicate that cadherin endocytosis coordinates cell polarity and migration cues through actin remodeling. Collectively, our results indicate that regulated cadherin endocytosis is essential for both dynamic cell movements and establishment of stable tissue architecture.
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Affiliation(s)
| | - Robin H Isaacson
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA
| | - Chantel M Cadwell
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA
| | - Jazmin Campos
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA
| | - Marina S Hernandes
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, GA
| | - Kenneth R Myers
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA
| | - Tadahiko Seo
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA
| | - William Giang
- Department of Cell Biology, Emory University School of Medicine, Atlanta, GA
| | - Kathy K Griendling
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, GA
| | - Andrew P Kowalczyk
- Department of Cell Biology, Department of Dermatology, and Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA
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17
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Johnston CA. A Cell Adhesion-Based Reconstitution Method for Studying Cell Polarity. Front Cell Dev Biol 2020; 8:598492. [PMID: 33195282 PMCID: PMC7649242 DOI: 10.3389/fcell.2020.598492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 10/07/2020] [Indexed: 11/24/2022] Open
Abstract
Cell polarity is an evolutionarily conserved process of asymmetric spatial organization within cells and is essential to tissue structure, signal transduction, cell migration, and cell division. The establishment and maintenance of polarity typically involves extensive protein-protein interactions that can be made further intricate by cell cycle-dependent regulation. These aspects can make interpreting phenotypes within traditional in vivo genetic systems challenging due to pleiotropic effects in loss-of-function experiments. Minimal reconstitution methods offer investigators the advantage of stricter control of otherwise complex systems and allow for more direct assessment of the role of individual components to the process of interest. Here I provide a detailed protocol for a cell adhesion-based method of inducing cell polarity within non-polarized Drosophila S2 cells. This technique is simple, cost effective, moderate throughput, and amenable to RNAi-based loss-of-function studies. The ability to “plug-and-play” genes of interest allows investigators to easily assess the contribution of individual protein domains and post-translational modifications to their function. The system is ideally suited to test not only the requirement of individual components but also their sufficiency, and can provide important insight into the epistatic relationship among multiple components in a protein complex. Although designed for use within Drosophila cells, the general premise and protocol should be easily adapted to mammalian cell culture or other systems that may better suit the interests of potential users.
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18
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Partners in crime: POPX2 phosphatase and its interacting proteins in cancer. Cell Death Dis 2020; 11:840. [PMID: 33037179 PMCID: PMC7547661 DOI: 10.1038/s41419-020-03061-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 09/24/2020] [Accepted: 09/28/2020] [Indexed: 02/06/2023]
Abstract
Protein phosphorylation and dephosphorylation govern intracellular signal transduction and cellular functions. Kinases and phosphatases are involved in the regulation and development of many diseases such as Alzheimer’s, diabetes, and cancer. While the functions and roles of many kinases, as well as their substrates, are well understood, phosphatases are comparatively less well studied. Recent studies have shown that rather than acting on fewer and more distinct substrates like the kinases, phosphatases can recognize specific phosphorylation sites on many different proteins, making the study of phosphatases and their substrates challenging. One approach to understand the biological functions of phosphatases is through understanding their protein–protein interaction network. POPX2 (Partner of PIX 2; also known as PPM1F or CaMKP) is a serine/threonine phosphatase that belongs to the PP2C family. It has been implicated in cancer cell motility and invasiveness. This review aims to summarize the different binding partners of POPX2 phosphatase and explore the various functions of POPX2 through its interactome in the cell. In particular, we focus on the impact of POPX2 on cancer progression. Acting via its different substrates and interacting proteins, POPX2’s involvement in metastasis is multifaceted and varied according to the stages of metastasis.
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19
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Bonucci M, Kuperwasser N, Barbe S, Koka V, de Villeneuve D, Zhang C, Srivastava N, Jia X, Stokes MP, Bienaimé F, Verkarre V, Lopez JB, Jaulin F, Pontoglio M, Terzi F, Delaval B, Piel M, Pende M. mTOR and S6K1 drive polycystic kidney by the control of Afadin-dependent oriented cell division. Nat Commun 2020; 11:3200. [PMID: 32581239 PMCID: PMC7314806 DOI: 10.1038/s41467-020-16978-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 06/01/2020] [Indexed: 02/08/2023] Open
Abstract
mTOR activation is essential and sufficient to cause polycystic kidneys in Tuberous Sclerosis Complex (TSC) and other genetic disorders. In disease models, a sharp increase of proliferation and cyst formation correlates with a dramatic loss of oriented cell division (OCD). We find that OCD distortion is intrinsically due to S6 kinase 1 (S6K1) activation. The concomitant loss of S6K1 in Tsc1-mutant mice restores OCD but does not decrease hyperproliferation, leading to non-cystic harmonious hyper growth of kidneys. Mass spectrometry-based phosphoproteomics for S6K1 substrates revealed Afadin, a known component of cell-cell junctions required to couple intercellular adhesions and cortical cues to spindle orientation. Afadin is directly phosphorylated by S6K1 and abnormally decorates the apical surface of Tsc1-mutant cells with E-cadherin and α-catenin. Our data reveal that S6K1 hyperactivity alters centrosome positioning in mitotic cells, affecting oriented cell division and promoting kidney cysts in conditions of mTOR hyperactivity.
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Affiliation(s)
- Martina Bonucci
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nicolas Kuperwasser
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Serena Barbe
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Vonda Koka
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Delphine de Villeneuve
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Chi Zhang
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nishit Srivastava
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005, Paris, France
| | - Xiaoying Jia
- Cell Signaling Technology INC, 3 Trask Lane, Danvers, MA, 01923, USA
| | - Matthew P Stokes
- Cell Signaling Technology INC, 3 Trask Lane, Danvers, MA, 01923, USA
| | - Frank Bienaimé
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Virginie Verkarre
- Université de Paris, PARCC, INSERM, Equipe Labellisée par la Ligue contre le Cancer, F-75015, Paris, France.,Assistance Publique-Hôpitaux de Paris (AP-HP centre), Hôpital Européen Georges Pompidou, Département d'anatomo-pathologie, F-75015, Paris, France
| | | | | | - Marco Pontoglio
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Fabiola Terzi
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Benedicte Delaval
- CRBM, CNRS, Univ. Montpellier, Centrosome, cilia and pathologies Lab, 1919 Route de Mende, 34293, Montpellier, France
| | - Matthieu Piel
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005, Paris, France
| | - Mario Pende
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France. .,Inserm, U1151, Paris, F-75014, France. .,Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
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20
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Chen BJ, Wu JS, Tang YJ, Tang YL, Liang XH. What makes leader cells arise: Intrinsic properties and support from neighboring cells. J Cell Physiol 2020; 235:8983-8995. [PMID: 32572948 DOI: 10.1002/jcp.29828] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 05/16/2020] [Indexed: 02/05/2023]
Abstract
Cancer cells collectively invading as a cohesive and polarized group is termed collective invasion, which is a fundamental property of many types of cancers. In this multicellular unit, cancer cells are heterogeneous, consisting of two morphologically and functionally distinct subpopulations, leader cells and follower cells. Leader cells at the invasive front are responsible for exploring the microenvironment, paving the way, and transmitting information to follower cells. Here, in this review, we will describe the important role of leader cells in collective invasion and the emerging underlying mechanisms of leader cell formation including intrinsic properties and the support from neighboring cells. It will help us to elucidate the essence of collective invasion and provide new anticancer therapeutic clues.
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Affiliation(s)
- Bing-Jun Chen
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jia-Shun Wu
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ya-Jie Tang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Ya-Ling Tang
- State Key Laboratory of Oral Diseases, Department of Oral Pathology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin-Hua Liang
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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21
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Jossin Y. Molecular mechanisms of cell polarity in a range of model systems and in migrating neurons. Mol Cell Neurosci 2020; 106:103503. [PMID: 32485296 DOI: 10.1016/j.mcn.2020.103503] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/20/2020] [Accepted: 05/23/2020] [Indexed: 01/09/2023] Open
Abstract
Cell polarity is defined as the asymmetric distribution of cellular components along an axis. Most cells, from the simplest single-cell organisms to highly specialized mammalian cells, are polarized and use similar mechanisms to generate and maintain polarity. Cell polarity is important for cells to migrate, form tissues, and coordinate activities. During development of the mammalian cerebral cortex, cell polarity is essential for neurogenesis and for the migration of newborn but as-yet undifferentiated neurons. These oriented migrations include both the radial migration of excitatory projection neurons and the tangential migration of inhibitory interneurons. In this review, I will first describe the development of the cerebral cortex, as revealed at the cellular level. I will then define the core molecular mechanisms - the Par/Crb/Scrib polarity complexes, small GTPases, the actin and microtubule cytoskeletons, and phosphoinositides/PI3K signaling - that are required for asymmetric cell division, apico-basal and front-rear polarity in model systems, including C elegans zygote, Drosophila embryos and cultured mammalian cells. As I go through each core mechanism I will explain what is known about its importance in radial and tangential migration in the developing mammalian cerebral cortex.
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Affiliation(s)
- Yves Jossin
- Laboratory of Mammalian Development & Cell Biology, Institute of Neuroscience, Université Catholique de Louvain, Brussels, Belgium.
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22
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Le Saux G, Wu MC, Toledo E, Chen YQ, Fan YJ, Kuo JC, Schvartzman M. Cell-Cell Adhesion-Driven Contact Guidance and Its Effect on Human Mesenchymal Stem Cell Differentiation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:22399-22409. [PMID: 32323968 DOI: 10.1021/acsami.9b20939] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Contact guidance has been extensively explored using patterned adhesion functionalities that predominantly mimic cell-matrix interactions. Whether contact guidance can also be driven by other types of interactions, such as cell-cell adhesion, still remains a question. Herein, this query is addressed by engineering a set of microstrip patterns of (i) cell-cell adhesion ligands and (ii) segregated cell-cell and cell-matrix ligands as a simple yet versatile set of platforms for the guidance of spreading, adhesion, and differentiation of mesenchymal stem cells. It was unprecedently found that micropatterns of cell-cell adhesion ligands can induce contact guidance. Surprisingly, it was found that patterns of alternating cell-matrix and cell-cell strips also induce contact guidance despite providing a spatial continuum for cell adhesion. This guidance is believed to be due to the difference between the potencies of the two adhesions. Furthermore, patterns that combine the two segregated adhesion functionalities were shown to induce more human mesenchymal stem cell osteogenic differentiation than monofunctional patterns. This work provides new insight into the functional crosstalk between cell-cell and cell-matrix adhesions and, overall, further highlights the ubiquitous impact of the biochemical anisotropy of the extracellular environment on cell function.
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Affiliation(s)
- Guillaume Le Saux
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Isle Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Ming-Chung Wu
- Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei 11221, Taiwan
| | - Esti Toledo
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Isle Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Yin-Quan Chen
- Cancer Progression Research Center, National Yang-Ming University, Taipei 11221, Taiwan
| | - Yu-Jui Fan
- School of Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan
| | - Jean-Cheng Kuo
- Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei 11221, Taiwan
- Cancer Progression Research Center, National Yang-Ming University, Taipei 11221, Taiwan
| | - Mark Schvartzman
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Isle Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
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23
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Capuana L, Boström A, Etienne-Manneville S. Multicellular scale front-to-rear polarity in collective migration. Curr Opin Cell Biol 2019; 62:114-122. [PMID: 31756576 DOI: 10.1016/j.ceb.2019.10.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 09/29/2019] [Accepted: 10/08/2019] [Indexed: 10/25/2022]
Abstract
Collective cell migration does not only reflect the migration of cells at a similar speed and in the same direction, it also implies the emergence of new properties observed at the level of the cell group. This collective behavior relies on interactions between the cells and the establishment of a hierarchy amongst cells with leaders driving the group of followers. Here, we make the parallel between the front-to-rear polarity axis in single cell and the front-to-rear multicellular-scale polarity of a migrating collective which established through exchange of biochemical and mechanical information from the front to the rear and vice versa. Such multicellular-scale polarity gives the migrating group the possibility to better sense and adapt to energy, biochemical and mechanical constraints and facilitates migration over long distances in complex and changing environments.
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Affiliation(s)
- Lavinia Capuana
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur, UMR3691 CNRS, Équipe Labellisée Ligue Contre le Cancer, F-75015, Paris, France; Sorbonne Université, Collège Doctoral, F-75005 Paris, France
| | - Astrid Boström
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur, UMR3691 CNRS, Équipe Labellisée Ligue Contre le Cancer, F-75015, Paris, France; School of Life Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Sandrine Etienne-Manneville
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur, UMR3691 CNRS, Équipe Labellisée Ligue Contre le Cancer, F-75015, Paris, France.
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24
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Yang Y, Zheng H, Zhan Y, Fan S. An emerging tumor invasion mechanism about the collective cell migration. Am J Transl Res 2019; 11:5301-5312. [PMID: 31632511 PMCID: PMC6789225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 09/01/2019] [Indexed: 06/10/2023]
Abstract
Traditionally, the metastasis has been detected in the late stage of the cancer, which mostly leads to death. The classical opinion about tumor metastasis is that tumor cell migration begins with the single tumor cell and goes through a series of complicated procedures, and lastly arrives and survives at distant tissues and organs. However, emerging studies have found a new migration mechanism called collective cell migration in many cancers. The collective cell migration could move as clusters with the tight cell-cell junction in the tumor microenvironments, toward the traction established by the leader cells. In addition, the collective cell migration has been shown to have higher invasive capacity and higher resistance to the clinical treatments than the single tumor cell migration. Interestingly, the collective clusters of tumor cells have been detected in the early stage of the cancer patient, which has led to the understanding of the significance of early cancer screenings. Here, we reviewed the major principles and guidance of the collective cell migration mechanisms, and the specific manifestations in the different tumors such as breast cancer and lung cancer.
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Affiliation(s)
- Yang Yang
- Department of Pathology, The Second Xiangya Hospital of Central South University Changsha, Hunan, China
| | - Hongmei Zheng
- Department of Pathology, The Second Xiangya Hospital of Central South University Changsha, Hunan, China
| | - Yuting Zhan
- Department of Pathology, The Second Xiangya Hospital of Central South University Changsha, Hunan, China
| | - Songqing Fan
- Department of Pathology, The Second Xiangya Hospital of Central South University Changsha, Hunan, China
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25
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Heuzé ML, Sankara Narayana GHN, D'Alessandro J, Cellerin V, Dang T, Williams DS, Van Hest JC, Marcq P, Mège RM, Ladoux B. Myosin II isoforms play distinct roles in adherens junction biogenesis. eLife 2019; 8:46599. [PMID: 31486768 PMCID: PMC6756789 DOI: 10.7554/elife.46599] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 09/05/2019] [Indexed: 12/27/2022] Open
Abstract
Adherens junction (AJ) assembly under force is essential for many biological processes like epithelial monolayer bending, collective cell migration, cell extrusion and wound healing. The acto-myosin cytoskeleton acts as a major force-generator during the de novo formation and remodeling of AJ. Here, we investigated the role of non-muscle myosin II isoforms (NMIIA and NMIIB) in epithelial junction assembly. NMIIA and NMIIB differentially regulate biogenesis of AJ through association with distinct actin networks. Analysis of junction dynamics, actin organization, and mechanical forces of control and knockdown cells for myosins revealed that NMIIA provides the mechanical tugging force necessary for cell-cell junction reinforcement and maintenance. NMIIB is involved in E-cadherin clustering, maintenance of a branched actin layer connecting E-cadherin complexes and perijunctional actin fibres leading to the building-up of anisotropic stress. These data reveal unanticipated complementary functions of NMIIA and NMIIB in the biogenesis and integrity of AJ.
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Affiliation(s)
- Mélina L Heuzé
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | | | - Joseph D'Alessandro
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - Victor Cellerin
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - Tien Dang
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - David S Williams
- Department of Chemistry, College of Science, Swansea University, Swansea, United Kingdom
| | - Jan Cm Van Hest
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Philippe Marcq
- Laboratoire Physique et Mécanique des Milieux Hétérogènes, Sorbonne Université and CNRS UMR 7636, Paris, France
| | - René-Marc Mège
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - Benoit Ladoux
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
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26
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Barriga EH, Mayor R. Adjustable viscoelasticity allows for efficient collective cell migration. Semin Cell Dev Biol 2019; 93:55-68. [PMID: 29859995 PMCID: PMC6854469 DOI: 10.1016/j.semcdb.2018.05.027] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/29/2018] [Accepted: 05/30/2018] [Indexed: 12/22/2022]
Abstract
Cell migration is essential for a wide range of biological processes such as embryo morphogenesis, wound healing, regeneration, and also in pathological conditions, such as cancer. In such contexts, cells are required to migrate as individual entities or as highly coordinated collectives, both of which requiring cells to respond to molecular and mechanical cues from their environment. However, whilst the function of chemical cues in cell migration is comparatively well understood, the role of tissue mechanics on cell migration is just starting to be studied. Recent studies suggest that the dynamic tuning of the viscoelasticity within a migratory cluster of cells, and the adequate elastic properties of its surrounding tissues, are essential to allow efficient collective cell migration in vivo. In this review we focus on the role of viscoelasticity in the control of collective cell migration in various cellular systems, mentioning briefly some aspects of single cell migration. We aim to provide details on how viscoelasticity of collectively migrating groups of cells and their surroundings is adjusted to ensure correct morphogenesis, wound healing, and metastasis. Finally, we attempt to show that environmental viscoelasticity triggers molecular changes within migrating clusters and that these new molecular setups modify clusters' viscoelasticity, ultimately allowing them to migrate across the challenging geometries of their microenvironment.
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Affiliation(s)
- Elias H Barriga
- Department of Cell and Developmental Biology, University College London, WC1E 6BT, London, UK
| | - Roberto Mayor
- Department of Cell and Developmental Biology, University College London, WC1E 6BT, London, UK.
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Li J, Zou Y, Li Z, Jiu Y. Joining actions: crosstalk between intermediate filaments and actin orchestrates cellular physical dynamics and signaling. SCIENCE CHINA-LIFE SCIENCES 2019; 62:1368-1374. [PMID: 31098891 DOI: 10.1007/s11427-018-9488-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 01/23/2019] [Indexed: 11/28/2022]
Abstract
Many key cellular functions are regulated by the interplay of three distinct cytoskeletal networks, made of actin filaments, microtubules, and intermediate filaments (IFs), which is a hitherto poorly investigated area of research. However, there are growing evidence in the last few years showing that the IFs cooperate with actin filaments to exhibit strongly coupled functions. This review recapitulates our current knowledge on how the crosstalk between IFs and actin filaments modulates the migration properties, mechano-responsiveness and signaling transduction of cells, from both biophysical and biochemical point of view.
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Affiliation(s)
- Jian Li
- CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yun Zou
- CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, 200031, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhifang Li
- CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, 200031, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yaming Jiu
- CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, 200031, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.
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Abstract
For over a century, the centrosome has been an organelle more easily tracked than understood, and the study of its peregrinations within the cell remains a chief underpinning of its functional investigation. Increasing attention and new approaches have been brought to bear on mechanisms that control centrosome localization in the context of cleavage plane determination, ciliogenesis, directional migration, and immunological synapse formation, among other cellular and developmental processes. The Golgi complex, often linked with the centrosome, presents a contrasting case of a pleiomorphic organelle for which functional studies advanced somewhat more rapidly than positional tracking. However, Golgi orientation and distribution has emerged as an area of considerable interest with respect to polarized cellular function. This chapter will review our current understanding of the mechanism and significance of the positioning of these organelles.
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Chang B, Svoboda KKH, Liu X. Cell polarization: From epithelial cells to odontoblasts. Eur J Cell Biol 2018; 98:1-11. [PMID: 30473389 DOI: 10.1016/j.ejcb.2018.11.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/04/2018] [Accepted: 11/16/2018] [Indexed: 12/29/2022] Open
Abstract
Cell polarity identifies the asymmetry of a cell. Various types of cells, including odontoblasts and epithelial cells, polarize to fulfil their destined functions. Odontoblast polarization is a prerequisite and fundamental step for tooth development and tubular dentin formation. Current knowledge of odontoblast polarization, however, is very limited, which greatly impedes the development of novel approaches for regenerative endodontics. Compared to odontoblasts, epithelial cell polarization has been extensively studied over the last several decades. The knowledge obtained from epithelia polarization has been found applicable to other cell types, which is particularly useful considering the remarkable similarities of the morphological and compositional features between polarized odontoblasts and epithelia. In this review, we first discuss the characteristics, the key regulatory factors, and the process of epithelial polarity. Next, we compare the known facts of odontoblast polarization with epithelial cells. Lastly, we clarify knowledge gaps in odontoblast polarization and propose the directions for future research to fill the gaps, leading to the advancement of regenerative endodontics.
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Affiliation(s)
- Bei Chang
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, TX, 75246, USA
| | - Kathy K H Svoboda
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, TX, 75246, USA
| | - Xiaohua Liu
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, TX, 75246, USA.
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30
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Abstract
The cytoskeleton is crucially important for the assembly of cell-cell junctions and the homeostatic regulation of their functions. Junctional proteins act, in turn, as anchors for cytoskeletal filaments, and as regulators of cytoskeletal dynamics and signalling proteins. The cross-talk between junctions and the cytoskeleton is critical for the morphogenesis and physiology of epithelial and other tissues, but is not completely understood. Microtubules are implicated in the delivery of junctional proteins to cell-cell contact sites, in the differentiation and spatial organization of the cytoplasm, and in the stabilization of the barrier and adhesive functions of junctions. Here we focus on the relationships between microtubules and junctions of vertebrate epithelial cells. We highlight recent discoveries on the molecular underpinnings of microtubule-junction interactions, and report new data about the interaction of cingulin and paracingulin with microtubules. We also propose a possible new role of junctions as “molecular sinks” for microtubule-associated signalling proteins.
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Affiliation(s)
- Ekaterina Vasileva
- a Department of Cell Biology, Faculty of Sciences and Institute for Genetics and Genomics in Geneva (iGE3) , University of Geneva , Geneva , Switzerland
| | - Sandra Citi
- a Department of Cell Biology, Faculty of Sciences and Institute for Genetics and Genomics in Geneva (iGE3) , University of Geneva , Geneva , Switzerland
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31
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Coordinated collective migration and asymmetric cell division in confluent human keratinocytes without wounding. Nat Commun 2018; 9:3665. [PMID: 30202009 PMCID: PMC6131553 DOI: 10.1038/s41467-018-05578-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 07/16/2018] [Indexed: 12/19/2022] Open
Abstract
Epithelial sheet spreading is a fundamental cellular process that must be coordinated with cell division and differentiation to restore tissue integrity. Here we use consecutive serum deprivation and re-stimulation to reconstruct biphasic collective migration and proliferation in cultured sheets of human keratinocytes. In this system, a burst of long-range coordinated locomotion is rapidly generated throughout the cell sheet in the absence of wound edges. Migrating cohorts reach correlation lengths of several millimeters and display dependencies on epidermal growth factor receptor-mediated signaling, self-propelled polarized migration, and a G1/G0 cell cycle environment. The migration phase is temporally and spatially aligned with polarized cell divisions characterized by pre-mitotic nuclear migration to the cell front and asymmetric partitioning of nuclear promyelocytic leukemia bodies and lysosomes to opposite daughter cells. This study investigates underlying mechanisms contributing to the stark contrast between cells in a static quiescent state compared to the long-range coordinated collective migration seen in contact with blood serum. Epithelial sheet migration requires polarized and coordinated cell movement. Here, the authors demonstrate serum-activated collective migration followed by polarized asymmetric cell divisions in otherwise quiescent human keratinocyte monolayers in the absence of wound edges.
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Yang Y, Qu R, Fan T, Zhu X, Feng Y, Yang Y, Deng T, Peng Y, Huang W, Ouyang J, Dai J. Cross-talk between microtubules and the linker of nucleoskeleton complex plays a critical role in the adipogenesis of human adipose-derived stem cells. Stem Cell Res Ther 2018; 9:125. [PMID: 29720241 PMCID: PMC5930445 DOI: 10.1186/s13287-018-0836-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/26/2018] [Accepted: 03/12/2018] [Indexed: 12/28/2022] Open
Abstract
Background Adipose-derived stem cells (ASCs) that show multidifferentiation and anti-immune rejection capacities have been widely used in plastic and reconstructive surgery. Previous studies have indicated that mechanical and biophysical interactions between cells and their surrounding environment regulate essential processes, such as growth, survival, and differentiation, and the cytoskeleton system plays an important role in the mechanotransduction. However, the role of mechanical force in the determination of lineage fate is still unclear. Methods Human ASCs (hASCs) were obtained from three different donors by liposuction. Adipogenesis and osteogenesis were determined by Oil Red O and Alizarin Red staining, respectively. The mRNA levels of the cytoskeleton system, PPARγ, and C/EBPα were determined by real-time polymerase chain reaction (RT-PCR). The level of cytoskeleton, PPARγ, and C/EBPα protein levels were measured by Western blotting. The morphology of the cytoskeleton system during adipogenesis was observed with confocal microscopy. hASCs were transfected with a SUN2-specific shRNA to knockdown sun2, and a nontargeting shRNA was used as a control. Results We found that disrupting the physiological balance between the cytoskeleton and the linker of the nucleoskeleton and cytoskeleton (LINC) complex (especially SUN2) could impact the adipogenesis of hASCs in vitro. Microtubule (MT) depolymerization with nocodazole (which interferes with the polymerization of MTs) increased the expression of SUN2 and PPARγ, while taxol (an inhibitor of MT disassembly) showed the opposite results. Meanwhile, hASCs with sun2 knockdown overexpressed MTs and decreased PPARγ expression, thereby inhibiting the adipogenesis. Furthermore, knockdown of sun2 changed the structure of perinuclear MTs. Conclusions We demonstrated the presence of cross-talk between MT and SUN2, and this cross-talk plays a critical role in the rebalance of the mechanical environment and is involved in the regulation of PPARγ transport during adipogenic differentiation of hASCs. Electronic supplementary material The online version of this article (10.1186/s13287-018-0836-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yiting Yang
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Rongmei Qu
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Tingyu Fan
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Xi Zhu
- Departments of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yanting Feng
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yuchao Yang
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ting Deng
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yan Peng
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Wenhua Huang
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Jun Ouyang
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Jingxing Dai
- Department of Anatomy, Guangdong Provincial Key Laboratory of Medicine and Biomechanics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
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Malinova TS, Huveneers S. Sensing of Cytoskeletal Forces by Asymmetric Adherens Junctions. Trends Cell Biol 2018; 28:328-341. [DOI: 10.1016/j.tcb.2017.11.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/09/2017] [Accepted: 11/10/2017] [Indexed: 12/13/2022]
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Foncy J, Estève A, Degache A, Colin C, Cau JC, Malaquin L, Vieu C, Trévisiol E. Fabrication of Biomolecule Microarrays for Cell Immobilization Using Automated Microcontact Printing. Methods Mol Biol 2018; 1771:83-95. [PMID: 29633206 DOI: 10.1007/978-1-4939-7792-5_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Biomolecule microarrays are generally produced by conventional microarrayer, i.e., by contact or inkjet printing. Microcontact printing represents an alternative way of deposition of biomolecules on solid supports but even if various biomolecules have been successfully microcontact printed, the production of biomolecule microarrays in routine by microcontact printing remains a challenging task and needs an effective, fast, robust, and low-cost automation process. Here, we describe the production of biomolecule microarrays composed of extracellular matrix protein for the fabrication of cell microarrays by using an automated microcontact printing device. Large scale cell microarrays can be reproducibly obtained by this method.
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Affiliation(s)
- Julie Foncy
- Laboratory for Analysis and Architecture of Systems (LAAS-CNRS), Université de Toulouse, CNRS, INSA, Toulouse, France
| | - Aurore Estève
- Laboratory for Analysis and Architecture of Systems (LAAS-CNRS), Université de Toulouse, CNRS, INSA, Toulouse, France
| | | | - Camille Colin
- Laboratory for Analysis and Architecture of Systems (LAAS-CNRS), Université de Toulouse, CNRS, INSA, Toulouse, France
| | | | - Laurent Malaquin
- Laboratory for Analysis and Architecture of Systems (LAAS-CNRS), Université de Toulouse, CNRS, INSA, Toulouse, France
| | - Christophe Vieu
- Laboratory for Analysis and Architecture of Systems (LAAS-CNRS), Université de Toulouse, CNRS, INSA, Toulouse, France
| | - Emmanuelle Trévisiol
- Laboratory for Analysis and Architecture of Systems (LAAS-CNRS), Université de Toulouse, CNRS, INSA, Toulouse, France.
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35
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Hříbková H, Grabiec M, Klemová D, Slaninová I, Sun YM. Five steps to form neural rosettes: structure and function. J Cell Sci 2018; 131:jcs.206896. [DOI: 10.1242/jcs.206896] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 12/18/2017] [Indexed: 12/25/2022] Open
Abstract
Neural rosette formation is a critical morphogenetic process during neural development, whereby neural stem cells are enclosed in rosette niches to equipoise proliferation and differentiation. How neural rosettes form and provide a regulatory micro-environment remains to be elucidated. We employed the human embryonic stem cell-based neural rosette system to investigate the structural development and function of neural rosettes. Our study shows that neural rosette formation consists of 5 types of cell movements: intercalation, constriction, polarization, elongation, and lumen formation. Ca2+ signaling plays a pivotal role in the five steps by regulating the actions of the cytoskeletal complexes, ACTIN, MYOSIN II, and TUBULIN during intercalation, constriction, and elongation. These in turn control the polarizing elements, ZO-1, PARD3, and β-CATENIN during polarization and lumen formation in neural rosette formation. We further demonstrated that the dismantlement of neural rosettes, mediated by the destruction of cytoskeletal elements, promoted neurogenesis and astrogenesis prematurely, indicating that an intact rosette structure is essential for orderly neural development.
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Affiliation(s)
- Hana Hříbková
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Marta Grabiec
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Dobromila Klemová
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Iva Slaninová
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Yuh-Man Sun
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
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36
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Laurent J, Blin G, Chatelain F, Vanneaux V, Fuchs A, Larghero J, Théry M. Convergence of microengineering and cellular self-organization towards functional tissue manufacturing. Nat Biomed Eng 2017; 1:939-956. [DOI: 10.1038/s41551-017-0166-x] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 11/07/2017] [Indexed: 12/18/2022]
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37
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Advedissian T, Proux-Gillardeaux V, Nkosi R, Peyret G, Nguyen T, Poirier F, Viguier M, Deshayes F. E-cadherin dynamics is regulated by galectin-7 at epithelial cell surface. Sci Rep 2017; 7:17086. [PMID: 29213102 PMCID: PMC5719072 DOI: 10.1038/s41598-017-17332-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 11/15/2017] [Indexed: 02/02/2023] Open
Abstract
Re-epithelialisation of wounded epidermis is ensured by collective cell migration of keratinocytes. Efficient collective migration requires the maintenance of intercellular adhesion, notably through adherens junctions, to favour cell communication, support tension forces and coordinated movement . Galectin-7, a soluble lectin expressed in stratified epithelia, has been previously implicated in cell migration and intercellular adhesion. Here, we revealed a new function of galectin-7 in the control of directionality and collective behaviour in migrating keratinocytes. Consistently, we identified galectin-7 as a direct partner of E-cadherin, a key component of adherens junctions. Unexpectedly, this interaction does not require glycosylation motifs. Focusing on the underlying mechanisms, we showed that galectin-7 stabilizes E-cadherin at the plasma membrane, restraining its endocytosis. Interestingly, galectin-7 silencing decreases E-cadherin-mediated intercellular adhesion. Consequently, this study not only identifies a new stabilizer of adherens junctions but also emphasises the importance of the interplay between E-cadherin turnover and intercellular adhesion strength.
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Affiliation(s)
- Tamara Advedissian
- Team Morphogenesis, Homeostasis and Pathologies, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France
| | - Véronique Proux-Gillardeaux
- Team Morphogenesis, Homeostasis and Pathologies, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France.,Team Membrane Traffic in Health & Disease, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France
| | - Rachel Nkosi
- Team Morphogenesis, Homeostasis and Pathologies, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France
| | - Grégoire Peyret
- Team Cell Adhesion and Mechanics, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France
| | - Thao Nguyen
- Team Cell Adhesion and Mechanics, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France
| | - Françoise Poirier
- Team Morphogenesis, Homeostasis and Pathologies, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France
| | - Mireille Viguier
- Team Morphogenesis, Homeostasis and Pathologies, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France.
| | - Frédérique Deshayes
- Team Morphogenesis, Homeostasis and Pathologies, University Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7592, Institut Jacques Monod, 15 Rue Hélène Brion, 75013, Paris, France.
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38
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Venhuizen JH, Zegers MM. Making Heads or Tails of It: Cell-Cell Adhesion in Cellular and Supracellular Polarity in Collective Migration. Cold Spring Harb Perspect Biol 2017; 9:cshperspect.a027854. [PMID: 28246177 DOI: 10.1101/cshperspect.a027854] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Collective cell migration is paramount to morphogenesis and contributes to the pathogenesis of cancer. To migrate directionally and reach their site of destination, migrating cells must distinguish a front and a rear. In addition to polarizing individually, cell-cell interactions in collectively migrating cells give rise to a higher order of polarity, which allows them to move as a supracellular unit. Rather than just conferring adhesion, emerging evidence indicates that cadherin-based adherens junctions intrinsically polarize the cluster and relay mechanical signals to establish both intracellular and supracellular polarity. In this review, we discuss the various functions of adherens junctions in polarity of migrating cohorts.
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Affiliation(s)
- Jan-Hendrik Venhuizen
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, 6525 GA Nijmegen, The Netherlands
| | - Mirjam M Zegers
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, 6525 GA Nijmegen, The Netherlands
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39
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Tong J, Qi Y, Wang X, Yu L, Su C, Xie W, Zhang J. Cell micropatterning reveals the modulatory effect of cell shape on proliferation through intracellular calcium transients. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017; 1864:2389-2401. [PMID: 28962833 DOI: 10.1016/j.bbamcr.2017.09.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 09/09/2017] [Accepted: 09/24/2017] [Indexed: 12/14/2022]
Abstract
The mechanism by which cell shape regulates the function of the cell is one of the most important biological issues, but it remains unclear. Here, we investigated the effect of the regulation of cell shape on proliferation by using a micropatterning approach to confine MC3T3-E1 cells into specific shapes. Our results show that the proliferation rate for rectangle-, triangle-, square- and circle-shaped osteoblasts increased sequentially and was related to the nuclear shape index (NSI) but not the cell shape index (CSI). Interestingly, intracellular calcium transients also displayed different patterns, with the number of Ca2+ peaks increasing with the NSI in shaped cells. Further causal investigation revealed that the gene expression levels of the inositol 1,4,5-triphosphate receptor 1 (IP3R1) and sarco/endoplasmic reticulum Ca2+-ATPase 2 (SERCA2), two major calcium cycling proteins in the endoplasmic reticulum (ER), were increased with an increase in NSI as a result of nuclear volume changes. Moreover, the down-regulation of IP3R1 and/or SERCA2 using shRNAs in circle-shaped or control osteoblasts resulted in changes in intracellular calcium transient patterns and cell proliferation rates towards that of smaller-NSI-shaped cells. Our results indicate that changes in cell shape changed nuclear morphology and then the gene expression of IP3R1 and SERCA2, which produced different intracellular calcium transient patterns. The patterns of intracellular calcium transients then determined the proliferation rate of the shaped osteoblasts.
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Affiliation(s)
- Jie Tong
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Ying Qi
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Xiangmiao Wang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Liyin Yu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Chang Su
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Wenjun Xie
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Jianbao Zhang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China.
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40
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Radhakrishnan AV, Jokhun DS, Venkatachalapathy S, Shivashankar GV. Nuclear Positioning and Its Translational Dynamics Are Regulated by Cell Geometry. Biophys J 2017; 112:1920-1928. [PMID: 28494962 DOI: 10.1016/j.bpj.2017.03.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 02/24/2017] [Accepted: 03/21/2017] [Indexed: 10/19/2022] Open
Abstract
The collective activity of several molecular motors and other active processes generate large forces for directional motion within the cell, which is vital for a multitude of cellular functions such as migration, division, contraction, transport, and positioning of various organelles. These processes also generate a background of fluctuating forces, which influence intracellular dynamics and thereby create unique biophysical signatures, which are altered in many diseases. In this study, we have used the nucleus as a probe particle to understand the microrheological properties of altered intracellular environments by using micropatterning to confine cells in two structurally and functionally extreme geometries. We find that nuclear positional dynamics is sensitive to the cytoskeletal organization by studying the effect of actin polymerization and nuclear rigidity on the diffusive behavior of the nucleus. Taken together, our results suggest that mapping nuclear positional dynamics provides important insights into biophysical properties of the active cytoplasmic medium. These biophysical signatures have the potential to be used as an ultrasensitive single-cell assay for early disease diagnostics.
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Affiliation(s)
- A V Radhakrishnan
- Mechanobiology Institute, National University of Singapore, Singapore
| | - Doorgesh S Jokhun
- Mechanobiology Institute, National University of Singapore, Singapore
| | | | - G V Shivashankar
- Mechanobiology Institute, National University of Singapore, Singapore; Department of Biological Sciences, National University of Singapore, Singapore; Institute of Molecular Oncology, Italian Foundation for Cancer Research, Milan, Italy.
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41
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Pandya P, Orgaz JL, Sanz-Moreno V. Actomyosin contractility and collective migration: may the force be with you. Curr Opin Cell Biol 2017; 48:87-96. [PMID: 28715714 PMCID: PMC6137077 DOI: 10.1016/j.ceb.2017.06.006] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 06/01/2017] [Accepted: 06/23/2017] [Indexed: 01/21/2023]
Abstract
Collective migration relies on the ability of a multicellular co-ordinated unit to efficiently respond to physical changes in their surrounding matrix. Conversely, migrating cohorts physically alter their microenvironment using mechanical forces. During collective migration, actomyosin contractility acts as a central hub coordinating mechanosensing and mechanotransduction responses.
Collective cell migration is essential during physiological processes such as development or wound healing and in pathological conditions such as cancer dissemination. Cells migrating within multicellular tissues experiment different forces which play an intricate role during tissue formation, development and maintenance. How cells are able to respond to these forces depends largely on how they interact with the extracellular matrix. In this review, we focus on mechanics and mechanotransduction in collective migration. In particular, we discuss current knowledge on how cells integrate mechanical signals during collective migration and we highlight actomyosin contractility as a central hub coordinating mechanosensing and mechanotransduction responses.
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Affiliation(s)
- Pahini Pandya
- Tumour Plasticity Team, Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London SE1 1UL, UK
| | - Jose L Orgaz
- Tumour Plasticity Team, Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London SE1 1UL, UK
| | - Victoria Sanz-Moreno
- Tumour Plasticity Team, Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London SE1 1UL, UK.
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42
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De Pascalis C, Etienne-Manneville S. Single and collective cell migration: the mechanics of adhesions. Mol Biol Cell 2017; 28:1833-1846. [PMID: 28684609 PMCID: PMC5541834 DOI: 10.1091/mbc.e17-03-0134] [Citation(s) in RCA: 222] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 05/30/2017] [Accepted: 06/02/2017] [Indexed: 12/11/2022] Open
Abstract
Chemical and physical properties of the environment control cell proliferation, differentiation, or apoptosis in the long term. However, to be able to move and migrate through a complex three-dimensional environment, cells must quickly adapt in the short term to the physical properties of their surroundings. Interactions with the extracellular matrix (ECM) occur through focal adhesions or hemidesmosomes via the engagement of integrins with fibrillar ECM proteins. Cells also interact with their neighbors, and this involves various types of intercellular adhesive structures such as tight junctions, cadherin-based adherens junctions, and desmosomes. Mechanobiology studies have shown that cell-ECM and cell-cell adhesions participate in mechanosensing to transduce mechanical cues into biochemical signals and conversely are responsible for the transmission of intracellular forces to the extracellular environment. As they migrate, cells use these adhesive structures to probe their surroundings, adapt their mechanical properties, and exert the appropriate forces required for their movements. The focus of this review is to give an overview of recent developments showing the bidirectional relationship between the physical properties of the environment and the cell mechanical responses during single and collective cell migration.
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Affiliation(s)
- Chiara De Pascalis
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur Paris, CNRS UMR3691, 75724 Paris Cedex 15, France
- UPMC Université Paris 06, IFD, Sorbonne Universités, 75252 Paris Cedex 05, France
| | - Sandrine Etienne-Manneville
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur Paris, CNRS UMR3691, 75724 Paris Cedex 15, France
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Chia SL, Lei J, Ferguson DJP, Dyer A, Fisher KD, Seymour LW. Group B adenovirus enadenotucirev infects polarised colorectal cancer cells efficiently from the basolateral surface expected to be encountered during intravenous delivery to treat disseminated cancer. Virology 2017; 505:162-171. [PMID: 28260622 DOI: 10.1016/j.virol.2017.02.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 02/03/2017] [Accepted: 02/14/2017] [Indexed: 12/28/2022]
Abstract
Enadenotucirev (EnAd) is a group B oncolytic adenovirus developed for systemic delivery and currently undergoing clinical evaluation for advanced cancer therapy. For differentiated carcinomas, systemic delivery would likely expose virus particles to the basolateral surface of cancer cells rather than the apical surface encountered during natural infection. Here, we compare the ability of EnAd and adenovirus type-5 (Ad5) to infect polarised colorectal carcinoma cells from the apical or basolateral surfaces. Whereas Ad5 infection was more efficient via the apical than basolateral surface, EnAd readily infected cells from either surface. Progeny particles from EnAd were released preferentially via the apical surface for all cell lines and routes of infection. These data further support the utility of group B adenoviruses for systemic delivery and suggest that progeny virus are more likely to be released into the tumour rather than back through the basolateral surface into the blood stream.
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Affiliation(s)
- Suet-Lin Chia
- Department of Oncology, University of Oxford, Oxford, United Kingdom; Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Janet Lei
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - David J P Ferguson
- Nuffield Department of Clinical Laboratory Science, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - Arthur Dyer
- Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Kerry D Fisher
- Department of Oncology, University of Oxford, Oxford, United Kingdom; PsiOxus Therapeutics, Abingdon, United Kingdom
| | - Leonard W Seymour
- Department of Oncology, University of Oxford, Oxford, United Kingdom.
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44
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Leduc C, Etienne-Manneville S. Regulation of microtubule-associated motors drives intermediate filament network polarization. J Cell Biol 2017; 216:1689-1703. [PMID: 28432079 PMCID: PMC5461013 DOI: 10.1083/jcb.201607045] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 01/16/2017] [Accepted: 03/03/2017] [Indexed: 11/22/2022] Open
Abstract
Intermediate filaments (IFs) are key players in the control of cell morphology and structure as well as in active processes such as cell polarization, migration, and mechanoresponses. However, the regulatory mechanisms controlling IF dynamics and organization in motile cells are still poorly understood. In this study, we investigate the mechanisms leading to the polarized rearrangement of the IF network along the polarity axis. Using photobleaching and photoconversion experiments in glial cells expressing vimentin, glial fibrillary acidic protein, and nestin, we show that the distribution of cytoplasmic IFs results from a continuous turnover based on the cooperation of an actin-dependent retrograde flow and anterograde and retrograde microtubule-dependent transports. During wound-induced astrocyte polarization, IF transport becomes directionally biased from the cell center toward the cell front. Such asymmetry in the transport is mainly caused by a Cdc42- and atypical PKC-dependent inhibition of dynein-dependent retrograde transport. Our results show how polarity signaling can affect the dynamic turnover of the IF network to promote the polarization of the network itself.
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Affiliation(s)
- Cécile Leduc
- Institut Pasteur Paris, Cell Polarity, Migration and Cancer Unit, UMR 3691, Equipe Labellisée Ligue Contre le Cancer, Centre National de la Recherché Scientifique, 75724 Paris, France
| | - Sandrine Etienne-Manneville
- Institut Pasteur Paris, Cell Polarity, Migration and Cancer Unit, UMR 3691, Equipe Labellisée Ligue Contre le Cancer, Centre National de la Recherché Scientifique, 75724 Paris, France.
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45
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Raymond MJ, Ray P, Kaur G, Fredericks M, Singh AV, Wan LQ. Multiaxial Polarity Determines Individual Cellular and Nuclear Chirality. Cell Mol Bioeng 2016; 10:63-74. [PMID: 28360944 DOI: 10.1007/s12195-016-0467-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Intrinsic cell chirality has been implicated in the left-right (LR) asymmetry of embryonic development. Impaired cell chirality could lead to severe birth defects in laterality. Previously, we detected cell chirality with an in vitro micropatterning system. Here, we demonstrate for the first time that chirality can be quantified as the coordination of multiaxial polarization of individual cells and nuclei. Using an object labeling, connected component based method, we characterized cell chirality based on cell and nuclear shape polarization and nuclear positioning of each cell in multicellular patterns of epithelial cells. We found that the cells adopted a LR bias the boundaries by positioning the sharp end towards the leading edge and leaving the nucleus at the rear. This behavior is consistent with the directional migration observed previously on the boundary of micropatterns. Although the nucleus is chirally aligned, it is not strongly biased towards or away from the boundary. As the result of the rear positioning of nuclei, the nuclear positioning has an opposite chirality to that of cell alignment. Overall, our results have revealed deep insights of chiral morphogenesis as the coordination of multiaxial polarization at the cellular and subcellular levels.
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Affiliation(s)
- Michael J Raymond
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180
| | - Poulomi Ray
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180; Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180
| | - Gurleen Kaur
- Department of Biology, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180
| | - Michael Fredericks
- Department of Computer Science, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180
| | - Ajay V Singh
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180; Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180
| | - Leo Q Wan
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180; Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180; Center for Modeling, Simulation and Imaging in Medicine, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180
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Letort G, Nedelec F, Blanchoin L, Théry M. Centrosome centering and decentering by microtubule network rearrangement. Mol Biol Cell 2016; 27:2833-43. [PMID: 27440925 PMCID: PMC5025270 DOI: 10.1091/mbc.e16-06-0395] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 07/11/2016] [Indexed: 11/11/2022] Open
Abstract
Numerical simulations are used to investigate the role of microtubule network architecture in centrosome positioning. Microtubule gliding along cell edges and pivoting around the centrosome are key regulators of the orientation of pushing forces, the magnitude of which depends on the number, dynamics, and stiffness of microtubules. The centrosome is positioned at the cell center by pushing and pulling forces transmitted by microtubules (MTs). Centrosome decentering is often considered to result from asymmetric, cortical pulling forces exerted in particular by molecular motors on MTs and controlled by external cues affecting the cell cortex locally. Here we used numerical simulations to investigate the possibility that it could equally result from the redistribution of pushing forces due to a reorientation of MTs. We first showed that MT gliding along cell edges and pivoting around the centrosome regulate MT rearrangement and thereby direct the spatial distribution of pushing forces, whereas the number, dynamics, and stiffness of MTs determine the magnitude of these forces. By modulating these parameters, we identified different regimes, involving both pushing and pulling forces, characterized by robust centrosome centering, robust off-centering, or “reactive” positioning. In the last-named conditions, weak asymmetric cues can induce a misbalance of pushing and pulling forces, resulting in an abrupt transition from a centered to an off-centered position. Taken together, these results point to the central role played by the configuration of the MTs on the distribution of pushing forces that position the centrosome. We suggest that asymmetric external cues should not be seen as direct driver of centrosome decentering and cell polarization but instead as inducers of an effective reorganization of the MT network, fostering centrosome motion to the cell periphery.
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Affiliation(s)
- Gaëlle Letort
- CytoMorpho Lab, Biosciences and Biotechnology Institute of Grenoble, UMR5168, CEA/INRA/CNRS/Université Grenoble-Alpes, 38054 Grenoble, France
| | - Francois Nedelec
- Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
| | - Laurent Blanchoin
- CytoMorpho Lab, Biosciences and Biotechnology Institute of Grenoble, UMR5168, CEA/INRA/CNRS/Université Grenoble-Alpes, 38054 Grenoble, France CytoMorpho Lab, Hopital Saint Louis, Institut Universitaire d'Hematologie, UMRS1160, INSERM/Université Paris Diderot, 75010 Paris, France
| | - Manuel Théry
- CytoMorpho Lab, Biosciences and Biotechnology Institute of Grenoble, UMR5168, CEA/INRA/CNRS/Université Grenoble-Alpes, 38054 Grenoble, France CytoMorpho Lab, Hopital Saint Louis, Institut Universitaire d'Hematologie, UMRS1160, INSERM/Université Paris Diderot, 75010 Paris, France
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47
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Barker AR, McIntosh KV, Dawe HR. Centrosome positioning in non-dividing cells. PROTOPLASMA 2016; 253:1007-1021. [PMID: 26319517 DOI: 10.1007/s00709-015-0883-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 08/22/2015] [Indexed: 06/04/2023]
Abstract
Centrioles and centrosomes are found in almost all eukaryotic cells, where they are important for organising the microtubule cytoskeleton in both dividing and non-dividing cells. The spatial location of centrioles and centrosomes is tightly controlled and, in non-dividing cells, plays an important part in cell migration, ciliogenesis and immune cell functions. Here, we examine some of the ways that centrosomes are connected to other organelles and how this impacts on cilium formation, cell migration and immune cell function in metazoan cells.
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Affiliation(s)
- Amy R Barker
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, EC1M 6BQ, London
| | - Kate V McIntosh
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
| | - Helen R Dawe
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK.
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48
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Plutoni C, Bazellières E, Gauthier-Rouvière C. P-cadherin-mediated Rho GTPase regulation during collective cell migration. Small GTPases 2016; 7:156-63. [PMID: 27152729 PMCID: PMC5003545 DOI: 10.1080/21541248.2016.1173772] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2022] Open
Abstract
This commentary addresses the role of P-cadherin in collective cell migration (CCM), a cooperative and coordinated migration mode, used by cells during normal and pathological migration processes. We discuss how cadherin-mediated cell-cell junctions (CCJs) play a critical role in CCM through their ability to regulate Rho GTPase-dependent pathways and how this leads to the generation and orientation of mechanical forces. We will also highlight the key function of P-cadherin (a poor prognostic marker in several tumors) in promoting collective cell movement in epithelial and mesenchymal cells.
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Affiliation(s)
- Cédric Plutoni
- a Institute for Research in Immunology and Cancer, Université de Montréal , Montréal , Québec , Canada
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Sepich DS, Solnica-Krezel L. Intracellular Golgi Complex organization reveals tissue specific polarity during zebrafish embryogenesis. Dev Dyn 2016; 245:678-91. [PMID: 27043944 DOI: 10.1002/dvdy.24409] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 03/15/2016] [Accepted: 03/29/2016] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Cell polarity is essential for directed migration of mesenchymal cells and morphogenesis of epithelial tissues. Studies in cultured cells indicate that a condensed Golgi Complex (GC) is essential for directed protein trafficking to establish cell polarity underlying directed cell migration. Dynamic changes of the GC intracellular organization during early vertebrate development remain to be investigated. RESULTS We used antibody labeling and fusion proteins in vivo to study the organization and intracellular placement of the GC during early zebrafish embryogenesis. We found that the GC was dispersed into several puncta containing cis- and trans-Golgi Complex proteins, presumably ministacks, until the end of the gastrula period. By early segmentation stages, the GC condensed in cells of the notochord, adaxial mesoderm, and neural plate, and its intracellular position became markedly polarized away from borders between these tissues. CONCLUSIONS We find that GC is dispersed in early zebrafish cells, even when cells are engaged in massive gastrulation movements. The GC accumulates into patches in a stage and cell-type specific manner, and becomes polarized away from borders between the embryonic tissues. With respect to tissue borders, intracellular GC polarity in notochord is independent of mature apical/basal polarity, Wnt/PCP, or signals from adaxial mesoderm. Developmental Dynamics 245:678-691, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Diane S Sepich
- Department of Developmental Biology, Washington University School of Medicine, St Louis, Missouri
| | - Lila Solnica-Krezel
- Department of Developmental Biology, Washington University School of Medicine, St Louis, Missouri
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50
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Begnaud S, Chen T, Delacour D, Mège RM, Ladoux B. Mechanics of epithelial tissues during gap closure. Curr Opin Cell Biol 2016; 42:52-62. [PMID: 27131272 DOI: 10.1016/j.ceb.2016.04.006] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 04/06/2016] [Accepted: 04/08/2016] [Indexed: 12/15/2022]
Abstract
The closure of gaps is crucial to maintaining epithelium integrity during developmental and repair processes such as dorsal closure and wound healing. Depending on biochemical as well as physical properties of the microenvironment, gap closure occurs through assembly of multicellular actin-based contractile cables and/or protrusive activity of cells lining the gap. This review discusses the relative contributions of 'purse-string' and cell crawling mechanisms regulated by cell-substrate and cell-cell interactions, cellular mechanics and physical constraints from the environment.
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Affiliation(s)
- Simon Begnaud
- Institut Jacques Monod (IJM), CNRS UMR 7592 & University Paris Diderot, Paris, France
| | - Tianchi Chen
- Mechanobiology Institute (MBI), National University of Singapore, Singapore
| | - Delphine Delacour
- Institut Jacques Monod (IJM), CNRS UMR 7592 & University Paris Diderot, Paris, France
| | - René-Marc Mège
- Institut Jacques Monod (IJM), CNRS UMR 7592 & University Paris Diderot, Paris, France.
| | - Benoît Ladoux
- Institut Jacques Monod (IJM), CNRS UMR 7592 & University Paris Diderot, Paris, France; Mechanobiology Institute (MBI), National University of Singapore, Singapore.
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