251
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Wang S, Sekiguchi R, Daley WP, Yamada KM. Patterned cell and matrix dynamics in branching morphogenesis. J Cell Biol 2017; 216:559-570. [PMID: 28174204 PMCID: PMC5350520 DOI: 10.1083/jcb.201610048] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 12/05/2016] [Accepted: 12/21/2016] [Indexed: 12/16/2022] Open
Abstract
Many embryonic organs undergo branching morphogenesis to maximize their functional epithelial surface area. Branching morphogenesis requires the coordinated interplay of multiple types of cells with the extracellular matrix (ECM). During branching morphogenesis, new branches form by "budding" or "clefting." Cell migration, proliferation, rearrangement, deformation, and ECM dynamics have varied roles in driving budding versus clefting in different organs. Elongation of the newly formed branch and final maturation of the tip involve cellular mechanisms that include cell elongation, intercalation, convergent extension, proliferation, and differentiation. New methodologies such as high-resolution live imaging, tension sensors, and force-mapping techniques are providing exciting new opportunities for future research into branching morphogenesis.
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Affiliation(s)
- Shaohe Wang
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892
| | - Rei Sekiguchi
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892
| | - William P Daley
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892
| | - Kenneth M Yamada
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892
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252
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Renner DJ, Ewald ML, Kim T, Yamada S. Biochemical analysis of force-sensitive responses using a large-scale cell stretch device. Cell Adh Migr 2017; 11:504-513. [PMID: 28129019 DOI: 10.1080/19336918.2016.1276147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Physical force has emerged as a key regulator of tissue homeostasis, and plays an important role in embryogenesis, tissue regeneration, and disease progression. Currently, the details of protein interactions under elevated physical stress are largely missing, therefore, preventing the fundamental, molecular understanding of mechano-transduction. This is in part due to the difficulty isolating large quantities of cell lysates exposed to force-bearing conditions for biochemical analysis. We designed a simple, easy-to-fabricate, large-scale cell stretch device for the analysis of force-sensitive cell responses. Using proximal biotinylation (BioID) analysis or phospho-specific antibodies, we detected force-sensitive biochemical changes in cells exposed to prolonged cyclic substrate stretch. For example, using promiscuous biotin ligase BirA* tagged α-catenin, the biotinylation of myosin IIA increased with stretch, suggesting the close proximity of myosin IIA to α-catenin under a force bearing condition. Furthermore, using phospho-specific antibodies, Akt phosphorylation was reduced upon stretch while Src phosphorylation was unchanged. Interestingly, phosphorylation of GSK3β, a downstream effector of Akt pathway, was also reduced with stretch, while the phosphorylation of other Akt effectors was unchanged. These data suggest that the Akt-GSK3β pathway is force-sensitive. This simple cell stretch device enables biochemical analysis of force-sensitive responses and has potential to uncover molecules underlying mechano-transduction.
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Affiliation(s)
- Derrick J Renner
- a Biomedical Engineering Department , University of California , Davis, Davis , CA , USA
| | - Makena L Ewald
- a Biomedical Engineering Department , University of California , Davis, Davis , CA , USA
| | - Timothy Kim
- a Biomedical Engineering Department , University of California , Davis, Davis , CA , USA
| | - Soichiro Yamada
- a Biomedical Engineering Department , University of California , Davis, Davis , CA , USA
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253
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Hutson MS, Leung MCK, Baker NC, Spencer RM, Knudsen TB. Computational Model of Secondary Palate Fusion and Disruption. Chem Res Toxicol 2017; 30:965-979. [PMID: 28045533 DOI: 10.1021/acs.chemrestox.6b00350] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Morphogenetic events are driven by cell-generated physical forces and complex cellular dynamics. To improve our capacity to predict developmental effects from chemical-induced cellular alterations, we built a multicellular agent-based model in CompuCell3D that recapitulates the cellular networks and collective cell behavior underlying growth and fusion of the mammalian secondary palate. The model incorporated multiple signaling pathways (TGFβ, BMP, FGF, EGF, and SHH) in a biological framework to recapitulate morphogenetic events from palatal outgrowth through midline fusion. It effectively simulated higher-level phenotypes (e.g., midline contact, medial edge seam (MES) breakdown, mesenchymal confluence, and fusion defects) in response to genetic or environmental perturbations. Perturbation analysis of various control features revealed model functionality with respect to cell signaling systems and feedback loops for growth and fusion, diverse individual cell behaviors and collective cellular behavior leading to physical contact and midline fusion, and quantitative analysis of the TGF/EGF switch that controls MES breakdown-a key event in morphogenetic fusion. The virtual palate model was then executed with theoretical chemical perturbation scenarios to simulate switch behavior leading to a disruption of fusion following chronic (e.g., dioxin) and acute (e.g., retinoic acid) chemical exposures. This computer model adds to similar systems models toward an integrative "virtual embryo" for simulation and quantitative prediction of adverse developmental outcomes following genetic perturbation and/or environmental disruption.
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Affiliation(s)
- M Shane Hutson
- Department of Physics & Astronomy, Department of Biological Sciences and Vanderbilt Institute for Integrative Biosystem Research & Education, Vanderbilt University , Nashville, Tennessee 37235, United States.,Oak Ridge Institute for Science & Education , Oak Ridge, Tennessee 37832, United States
| | - Maxwell C K Leung
- Oak Ridge Institute for Science & Education , Oak Ridge, Tennessee 37832, United States
| | - Nancy C Baker
- Leidos , Research Triangle Park, Durham, North Carolina 27711 United States
| | - Richard M Spencer
- Leidos , Research Triangle Park, Durham, North Carolina 27711 United States
| | - Thomas B Knudsen
- National Center for Computational Toxicology, Office of Research & Development, U.S. Environmental Protection Agency , Research Triangle Park, Durham, North Carolina 27711, United States
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254
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Bloomekatz J, Singh R, Prall OW, Dunn AC, Vaughan M, Loo CS, Harvey RP, Yelon D. Platelet-derived growth factor (PDGF) signaling directs cardiomyocyte movement toward the midline during heart tube assembly. eLife 2017; 6:21172. [PMID: 28098558 PMCID: PMC5298878 DOI: 10.7554/elife.21172] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 01/17/2017] [Indexed: 01/23/2023] Open
Abstract
Communication between neighboring tissues plays a central role in guiding organ morphogenesis. During heart tube assembly, interactions with the adjacent endoderm control the medial movement of cardiomyocytes, a process referred to as cardiac fusion. However, the molecular underpinnings of this endodermal-myocardial relationship remain unclear. Here, we show an essential role for platelet-derived growth factor receptor alpha (Pdgfra) in directing cardiac fusion. Mutation of pdgfra disrupts heart tube assembly in both zebrafish and mouse. Timelapse analysis of individual cardiomyocyte trajectories reveals misdirected cells in zebrafish pdgfra mutants, suggesting that PDGF signaling steers cardiomyocytes toward the midline during cardiac fusion. Intriguingly, the ligand pdgfaa is expressed in the endoderm medial to the pdgfra-expressing myocardial precursors. Ectopic expression of pdgfaa interferes with cardiac fusion, consistent with an instructive role for PDGF signaling. Together, these data uncover a novel mechanism through which endodermal-myocardial communication can guide the cell movements that initiate cardiac morphogenesis. DOI:http://dx.doi.org/10.7554/eLife.21172.001 In the growing embryo, the heart initially develops in the form of a simple tube. Its outer layer is made up of muscular cells, called myocardial cells, that pump blood through the tube. Before the heart tube develops, two groups of myocardial cells exist – one on each side of the embryo. To assemble the heart, these two populations of cells must move as a group to the middle of the embryo, where they meet and merge through a process called cardiac fusion. This movement of myocardial cells toward the middle of the embryo depends upon interactions with a neighboring tissue called the endoderm. How the endoderm directs the movement of the myocardial cells was not well understood. The PDGF signaling pathway guides the movement of several different types of cells in the body, but it had not been previously linked to the early stages of heart tube assembly. In this pathway, a molecule called platelet-derived growth factor (PDGF) binds to PDGF receptors that sit on the surface of cells. Using microscopy and genetic analysis to study zebrafish and mouse embryos, Bloomekatz et al. now show that embryos that carry mutations in a gene that encodes a PDGF receptor suffer from defects in heart tube assembly. Further examination of the mutant zebrafish embryos revealed that the myocardial cells were not properly directed toward the middle of the embryo. In fact, many of these cells appeared to move away from the midline. Bloomekatz et al. also observed that, in normal embryos, the endoderm cells that lie adjacent to the myocardial cells produce PDGF. Therefore, it appears that PDGF produced by the endoderm could interact with PDGF receptors on the myocardial cells to direct these cells toward the middle of the embryo. The next step will be to figure out how this signaling influences the machinery inside the myocardial cells that controls their movement. Ultimately, this knowledge could lead to new ways to identify and treat congenital heart diseases. DOI:http://dx.doi.org/10.7554/eLife.21172.002
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Affiliation(s)
- Joshua Bloomekatz
- Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Reena Singh
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia.,St. Vincent's Clinical School, University of New South Wales, Kensington, Australia
| | - Owen Wj Prall
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia.,Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Ariel C Dunn
- Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Megan Vaughan
- Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Chin-San Loo
- Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Richard P Harvey
- Victor Chang Cardiac Research Institute, Darlinghurst, Australia.,St. Vincent's Clinical School, University of New South Wales, Kensington, Australia.,School of Biotechnology and Biomolecular Science, University of New South Wales, Kensington, Australia
| | - Deborah Yelon
- Division of Biological Sciences, University of California, San Diego, La Jolla, United States
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255
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Xavier LADC, Bezerra JF, de Rezende AA, Oliveira RADC, Dalmolin RJS, do Amaral VS. Analysis of genome instability biomarkers in children with non-syndromic orofacial clefts. Mutagenesis 2017; 32:313-321. [DOI: 10.1093/mutage/gew068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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256
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Wu JS, Sheng SR, Liang XH, Tang YL. The role of tumor microenvironment in collective tumor cell invasion. Future Oncol 2017; 13:991-1002. [PMID: 28075171 DOI: 10.2217/fon-2016-0501] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
For many cancer types, cancer cells invade into surrounding tissues by collective movement of cell groups that remain connected via cell-cell junctions. This migration is completely distinguished from single-cell migration, in which cancer cells disrupt the tight intercellular junctions and gain a mesenchymal phenotype. Recently, emerging evidence has revealed that collective cell invasion depends on not only cell-intrinsic mechanisms but also on extracellular mechanisms by bidirectional interplay between the tumor cell and the tumor environment. Herein, in this review we discuss the role and underline mechanisms of tumor microenvironment in collective tumor cell invasion, particularly focusing on extracellular matrix remodeling and cross-talk between tumor and stromal cells.
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Affiliation(s)
- Jia-Shun Wu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral Pathology, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
| | - Su-Rui Sheng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral & Maxillofacial Surgery, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
| | - Xin-Hua Liang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral & Maxillofacial Surgery, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
| | - Ya-Ling Tang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral Pathology, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
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257
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MIYOSHI H, NISHIMURA M, YAMAGATA Y, LIU H, WATANABE Y, SUGAWARA M. Cell migration guided by a groove with branches. ACTA ACUST UNITED AC 2017. [DOI: 10.1299/jbse.16-00613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hiromi MIYOSHI
- Pathophysiological and Health Science Team, RIKEN Center for Life Science Technologies
- Health Metrics Development Team, RIKEN Compass to Healthy Life Research Complex Program
- PRIME, AMED
| | | | - Yutaka YAMAGATA
- Ultrahigh Precision Optics Technology Team, RIKEN Center for Advanced Photonics
| | - Hao LIU
- Graduate School of Engineering, Chiba University
| | - Yasuyoshi WATANABE
- Pathophysiological and Health Science Team, RIKEN Center for Life Science Technologies
- Health Metrics Development Team, RIKEN Compass to Healthy Life Research Complex Program
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258
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Campbell K, Casanova J. A common framework for EMT and collective cell migration. Development 2016; 143:4291-4300. [DOI: 10.1242/dev.139071] [Citation(s) in RCA: 108] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
During development, cells often switch between static and migratory behaviours. Such transitions are fundamental events in development and are linked to harmful consequences in pathology. It has long been considered that epithelial cells either migrate collectively as epithelial cells, or undergo an epithelial-to-mesenchymal transition and migrate as individual mesenchymal cells. Here, we assess what is currently known about in vivo cell migratory phenomena and hypothesise that such migratory behaviours do not fit into alternative and mutually exclusive categories. Rather, we propose that these categories can be viewed as the most extreme cases of a general continuum of morphological variety, with cells harbouring different degrees or combinations of epithelial and mesenchymal features and displaying an array of migratory behaviours.
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Affiliation(s)
- Kyra Campbell
- Institut de Biologia Molecular de Barcelona (CSIC), C/Baldiri Reixac 10, Barcelona, Catalonia 08028, Spain
- Institut de Recerca Biomèdica de Barcelona, C/Baldiri Reixac 10, Barcelona, Catalonia 08028, Spain
| | - Jordi Casanova
- Institut de Biologia Molecular de Barcelona (CSIC), C/Baldiri Reixac 10, Barcelona, Catalonia 08028, Spain
- Institut de Recerca Biomèdica de Barcelona, C/Baldiri Reixac 10, Barcelona, Catalonia 08028, Spain
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259
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Imamura G, Shiba K, Yoshikawa G. Finite Element Analysis on Nanomechanical Sensing of Cellular Forces. ANAL SCI 2016; 32:1189-1194. [PMID: 27829624 DOI: 10.2116/analsci.32.1189] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Detection of cellular forces plays an important role in investigating the mechanical basis of cells. As nanomechanical sensors can directly detect surface stress, they can be utilized to detect cellular forces. In the present study, we perform quantitative simulations of nanomechanical sensors for the detection of cellular forces using finite element analyses (FEA). We focus on two types of nanomechanical sensors: a cantilever-type sensor and a membrane-type surface stress sensor (MSS). It is found that sensing signals can be obtained when cells on the nanomechanical sensors synchronize their motions. To effectively detect cellular forces on the nanomechanical sensors, we discuss the optimization scheme for a coating layer on the surface of the sensors.
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Affiliation(s)
- Gaku Imamura
- World Premier International Research Center Initiative (WPI), International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS)
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260
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Hamm MJ, Kirchmaier BC, Herzog W. Sema3d controls collective endothelial cell migration by distinct mechanisms via Nrp1 and PlxnD1. J Cell Biol 2016; 215:415-430. [PMID: 27799363 PMCID: PMC5100291 DOI: 10.1083/jcb.201603100] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 09/20/2016] [Indexed: 01/11/2023] Open
Abstract
Semaphorins regulate guidance during cell migration. In addition to repelling endothelial cells, Hamm et al. identify a novel mechanism by which Semaphorin3d/Neuropilin1 regulates collective endothelial cell migration through activating a kinase cascade, which regulates Actin network organization and cell–cell contacts. During cardiovascular development, tight spatiotemporal regulation of molecular cues is essential for controlling endothelial cell (EC) migration. Secreted class III Semaphorins play an important role in guidance of neuronal cell migration and were lately linked to regulating cardiovascular development. Recently, SEMA3D gene disruptions were associated with cardiovascular defects in patients; however, the mechanisms of action were not revealed. Here we show for the first time that Sema3d regulates collective EC migration in zebrafish through two separate mechanisms. Mesenchymal Sema3d guides outgrowth of the common cardinal vein via repulsion and signals through PlexinD1. Additionally, within the same ECs, we identified a novel function of autocrine Sema3d signaling in regulating Actin network organization and EC morphology. We show that this new function requires Sema3d signaling through Neuropilin1, which then regulates Actin network organization through RhoA upstream of Rock, stabilizing the EC sheet. Our findings are highly relevant for understanding EC migration and the mechanisms of collective migration in other contexts.
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Affiliation(s)
- Mailin Julia Hamm
- Cells-in-Motion Cluster of Excellence, University of Muenster, 48149 Muenster, Germany.,Max Planck Institute for Molecular Biomedicine, 48149 Muenster, Germany
| | - Bettina Carmen Kirchmaier
- Institute of Cell Biology and Neuroscience, University of Frankfurt, 60438 Frankfurt, Germany.,Buchmann Institute for Molecular Life Sciences, University of Frankfurt, 60438 Frankfurt, Germany
| | - Wiebke Herzog
- Cells-in-Motion Cluster of Excellence, University of Muenster, 48149 Muenster, Germany .,Max Planck Institute for Molecular Biomedicine, 48149 Muenster, Germany
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261
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The pivotal role of CCN2 in mammalian palatogenesis. J Cell Commun Signal 2016; 11:25-37. [PMID: 27761803 DOI: 10.1007/s12079-016-0360-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 10/15/2016] [Indexed: 01/25/2023] Open
Abstract
Mammalian palatogenesis is a complex process involving a temporally and spatially regulated myriad of factors. Together these factors control the 3 vital processes of proliferation, elevation and fusion of the developing palate. In this study, we show for the first time the unequivocally vital role of CCN2 in development of the mammalian palate. We utilized CCN2 knockout (KO) mice and cranial neural crest derived mesenchymal cells from these CCN2 KO mice to investigate the 3 processes crucial to normal palatogenesis. Similar to previously published reports, the absence of CCN2 inhibits proliferation of cells in the palate specifically at the G1/S transition. Absence of CCN2 also inhibited palatal shelf elevation from the vertical to horizontal position. CCN2 KO mesenchymal cells demonstrated deficiencies in adhesion and spreading owing to an inability to activate Rac1 and RhoA. On the contrary, CCN2 KO mesenchymal cells exhibited increased rates of migration compared to WT cells. The addition of exogenous CCN2 to KO mesenchymal cells restored their ability to spread normally on fibronectin. Finally, utilizing an organ culture model we show that the palatal shelves of the CCN2 KO mice demonstrate an inability to fuse when apposed. Together, these data signify that CCN2 plays an indispensible role in normal development of the mammalian palate and warrants additional studies to determine the precise mechanism(s) responsible for these effects.
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262
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Cadherin-2 Is Required Cell Autonomously for Collective Migration of Facial Branchiomotor Neurons. PLoS One 2016; 11:e0164433. [PMID: 27716840 PMCID: PMC5055392 DOI: 10.1371/journal.pone.0164433] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 09/26/2016] [Indexed: 11/19/2022] Open
Abstract
Collective migration depends on cell-cell interactions between neighbors that contribute to their overall directionality, yet the mechanisms that control the coordinated migration of neurons remains to be elucidated. During hindbrain development, facial branchiomotor neurons (FBMNs) undergo a stereotypic tangential caudal migration from their place of birth in rhombomere (r)4 to their final location in r6/7. FBMNs engage in collective cell migration that depends on neuron-to-neuron interactions to facilitate caudal directionality. Here, we demonstrate that Cadherin-2-mediated neuron-to-neuron adhesion is necessary for directional and collective migration of FBMNs. We generated stable transgenic zebrafish expressing dominant-negative Cadherin-2 (Cdh2ΔEC) driven by the islet1 promoter. Cell-autonomous inactivation of Cadherin-2 function led to non-directional migration of FBMNs and a defect in caudal tangential migration. Additionally, mosaic analysis revealed that Cdh2ΔEC-expressing FBMNs are not influenced to migrate caudally by neighboring wild-type FBMNs due to a defect in collective cell migration. Taken together, our data suggest that Cadherin-2 plays an essential cell-autonomous role in mediating the collective migration of FBMNs.
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263
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Abstract
Tissue-specific transcription regulators emerged as key developmental control genes, which operate in the context of complex gene regulatory networks (GRNs) to coordinate progressive cell fate specification and tissue morphogenesis. We discuss how GRNs control the individual cell behaviors underlying complex morphogenetic events. Cell behaviors classically range from mesenchymal cell motility to cell shape changes in epithelial sheets. These behaviors emerge from the tissue-specific, multiscale integration of the local activities of universal and pleiotropic effectors, which underlie modular subcellular processes including cytoskeletal dynamics, cell-cell and cell-matrix adhesion, signaling, polarity, and vesicle trafficking. Extrinsic cues and intrinsic cell competence determine the subcellular spatiotemporal patterns of effector activities. GRNs influence most subcellular activities by controlling only a fraction of the effector-coding genes, which we argue is enriched in effectors involved in reading and processing the extrinsic cues to contextualize intrinsic subcellular processes and canalize developmental cell behaviors. The properties of the transcription-cell behavior interface have profound implications for evolution and disease.
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Affiliation(s)
- Yelena Bernadskaya
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY 10003
| | - Lionel Christiaen
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY 10003
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264
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Szabó A, Mayor R. Modelling collective cell migration of neural crest. Curr Opin Cell Biol 2016; 42:22-28. [PMID: 27085004 PMCID: PMC5017515 DOI: 10.1016/j.ceb.2016.03.023] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 03/24/2016] [Accepted: 03/29/2016] [Indexed: 02/04/2023]
Abstract
Collective cell migration has emerged in the recent decade as an important phenomenon in cell and developmental biology and can be defined as the coordinated and cooperative movement of groups of cells. Most studies concentrate on tightly connected epithelial tissues, even though collective migration does not require a constant physical contact. Movement of mesenchymal cells is more independent, making their emergent collective behaviour less intuitive and therefore lending importance to computational modelling. Here we focus on such modelling efforts that aim to understand the collective migration of neural crest cells, a mesenchymal embryonic population that migrates large distances as a group during early vertebrate development. By comparing different models of neural crest migration, we emphasize the similarity and complementary nature of these approaches and suggest a future direction for the field. The principles derived from neural crest modelling could aid understanding the collective migration of other mesenchymal cell types.
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Affiliation(s)
- András Szabó
- Department of Cell and Developmental Biology, University College London, Gower Street, London WC1E 6BT, UK
| | - Roberto Mayor
- Department of Cell and Developmental Biology, University College London, Gower Street, London WC1E 6BT, UK.
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265
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Lee M, Koh W, Kim B, Chung H, Cho G, Kim H. Involvement of cAMP in the Human Serum-Induced Migration of Adipose-Derived Stem Cells. Dev Reprod 2016; 20:123-30. [PMID: 27660827 PMCID: PMC5027217 DOI: 10.12717/dr.2016.20.2.123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Previously we observed that human adipose-derived stem cells (hADSCs) could form aggregation during culture in the presence of human serum (HS). In the present study, we have examined if the aggregation might result from the cell migration and analyzed the difference of cell adhesivity after culture in various conditions. When cells were cultured in fetal bovine serum (FBS) alone, there was no morphological change. Similarly, cells pretreated with FBS for 1 day or cultured in a mixture of FBS and HS showed little change. In contrast, cells cultured in HS alone exhibited formation of cell-free area (spacing) and/or cell aggregation. When cells cultured in FBS or pretreated with FBS were treated with 0.06% trypsin, almost cells remained attached to the dish surfaces. In contrast, when cells cultured in HS alone were examined, most cells detached from the dish by the same treatment. Treatment of cells with forskolin, isobutylmethyl xanthine (IBMX) or LY294002 inhibited the formation of spacing whereas H89 or Y27632 showed little effect. When these cells were treated with 0.06% trypsin after culture, most cells detached from the dishes as cells cultured in HS alone did. However, cells treated with IBMX exhibited weaker adhesivity than HS alone. Based on these observations, it is suggested that HS treatment might decrease the adhesivity and induce three-dimensional migration of hADSCs, in the latter of which cAMP signaling could be involved.
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Affiliation(s)
- Minji Lee
- Dept. of Biotechnology, Seoul Women's University, Seoul 139-774, Korea
| | - Wonyoung Koh
- Dept. of Biotechnology, Seoul Women's University, Seoul 139-774, Korea
| | - Bomee Kim
- Dept. of Biotechnology, Seoul Women's University, Seoul 139-774, Korea
| | - Hyeju Chung
- Dept. of Biotechnology, Seoul Women's University, Seoul 139-774, Korea
| | - Gahyang Cho
- Dept. of Biotechnology, Seoul Women's University, Seoul 139-774, Korea
| | - Haekwon Kim
- Dept. of Biotechnology, Seoul Women's University, Seoul 139-774, Korea
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266
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Lee E, Ewald ML, Sedarous M, Kim T, Weyers BW, Truong RH, Yamada S. Deletion of the cytoplasmic domain of N-cadherin reduces, but does not eliminate, traction force-transmission. Biochem Biophys Res Commun 2016; 478:1640-6. [PMID: 27596967 DOI: 10.1016/j.bbrc.2016.08.173] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 08/30/2016] [Indexed: 10/21/2022]
Abstract
Collective migration of epithelial cells is an integral part of embryonic development, wound healing, tissue renewal and carcinoma invasion. While previous studies have focused on cell-extracellular matrix adhesion as a site of migration-driving, traction force-transmission, cadherin mediated cell-cell adhesion is also capable of force-transmission. Using a soft elastomer coated with purified N-cadherin as a substrate and a Hepatocyte Growth Factor-treated, transformed MDCK epithelial cell line as a model system, we quantified traction transmitted by N-cadherin-mediated contacts. On a substrate coated with purified extracellular domain of N-cadherin, cell surface N-cadherin proteins arranged into puncta. N-cadherin mutants (either the cytoplasmic deletion or actin-binding domain chimera), however, failed to assemble into puncta, suggesting the assembly of focal adhesion like puncta requires the cytoplasmic domain of N-cadherin. Furthermore, the cytoplasmic domain deleted N-cadherin expressing cells exerted lower traction stress than the full-length or the actin binding domain chimeric N-cadherin. Our data demonstrate that N-cadherin junctions exert significant traction stress that requires the cytoplasmic domain of N-cadherin, but the loss of the cytoplasmic domain does not completely eliminate traction force transmission.
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Affiliation(s)
- Eliot Lee
- Biomedical Engineering Department, University of California, Davis, United States
| | - Makena L Ewald
- Biomedical Engineering Department, University of California, Davis, United States
| | - Mary Sedarous
- Biomedical Engineering Department, University of California, Davis, United States
| | - Timothy Kim
- Biomedical Engineering Department, University of California, Davis, United States
| | - Brent W Weyers
- Biomedical Engineering Department, University of California, Davis, United States
| | - Rose Hong Truong
- Biomedical Engineering Department, University of California, Davis, United States
| | - Soichiro Yamada
- Biomedical Engineering Department, University of California, Davis, United States.
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267
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Abstract
Cell migration results from stepwise mechanical and chemical interactions between cells and their extracellular environment. Mechanistic principles that determine single-cell and collective migration modes and their interconversions depend upon the polarization, adhesion, deformability, contractility, and proteolytic ability of cells. Cellular determinants of cell migration respond to extracellular cues, including tissue composition, topography, alignment, and tissue-associated growth factors and cytokines. Both cellular determinants and tissue determinants are interdependent; undergo reciprocal adjustment; and jointly impact cell decision making, navigation, and migration outcome in complex environments. We here review the variability, decision making, and adaptation of cell migration approached by live-cell, in vivo, and in silico strategies, with a focus on cell movements in morphogenesis, repair, immune surveillance, and cancer metastasis.
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Affiliation(s)
- Veronika Te Boekhorst
- David H. Koch Center for Applied Research of Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030;
| | - Luigi Preziosi
- Department of Mathematical Sciences, Politecnico di Torino, 10129 Torino, Italy
| | - Peter Friedl
- David H. Koch Center for Applied Research of Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030; .,Department of Cell Biology, Radboud University Medical Centre, 6525GA Nijmegen, The Netherlands; .,Cancer Genomics Center, 3584 CG Utrecht, The Netherlands
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268
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Chen W, Nie Q, Yi TM, Chou CS. Modelling of Yeast Mating Reveals Robustness Strategies for Cell-Cell Interactions. PLoS Comput Biol 2016; 12:e1004988. [PMID: 27404800 PMCID: PMC4942089 DOI: 10.1371/journal.pcbi.1004988] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 05/16/2016] [Indexed: 11/18/2022] Open
Abstract
Mating of budding yeast cells is a model system for studying cell-cell interactions. Haploid yeast cells secrete mating pheromones that are sensed by the partner which responds by growing a mating projection toward the source. The two projections meet and fuse to form the diploid. Successful mating relies on precise coordination of dynamic extracellular signals, signaling pathways, and cell shape changes in a noisy background. It remains elusive how cells mate accurately and efficiently in a natural multi-cell environment. Here we present the first stochastic model of multiple mating cells whose morphologies are driven by pheromone gradients and intracellular signals. Our novel computational framework encompassed a moving boundary method for modeling both a-cells and α-cells and their cell shape changes, the extracellular diffusion of mating pheromones dynamically coupled with cell polarization, and both external and internal noise. Quantification of mating efficiency was developed and tested for different model parameters. Computer simulations revealed important robustness strategies for mating in the presence of noise. These strategies included the polarized secretion of pheromone, the presence of the α-factor protease Bar1, and the regulation of sensing sensitivity; all were consistent with data in the literature. In addition, we investigated mating discrimination, the ability of an a-cell to distinguish between α-cells either making or not making α-factor, and mating competition, in which multiple a-cells compete to mate with one α-cell. Our simulations were consistent with previous experimental results. Moreover, we performed a combination of simulations and experiments to estimate the diffusion rate of the pheromone a-factor. In summary, we constructed a framework for simulating yeast mating with multiple cells in a noisy environment, and used this framework to reproduce mating behaviors and to identify strategies for robust cell-cell interactions. One of the riddles of Nature is how cells interact with one another to create complex cellular networks such as the neural networks in the brain. Forming precise connections between irregularly shaped cells is a challenge for biology. We developed computational methods for simulating these complex cell-cell interactions. We applied these methods to investigate yeast mating in which two yeast cells grow projections that meet and fuse guided by pheromone attractants. The simulations described molecules both inside and outside of the cell, and represented the continually changing shapes of the cells. We found that positioning the secretion and sensing of pheromones at the same location on the cell surface was important. Other key factors for robust mating included secreting a protein that removed excess pheromone from outside of the cell so that the signal would not be too strong. An important advance was being able to simulate as many as five cells in complex mating arrangements. Taken together we used our novel computational methods to describe in greater detail the yeast mating process, and more generally, interactions among cells changing their shapes in response to their neighbors.
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Affiliation(s)
- Weitao Chen
- Department of Mathematics, University of California, Irvine, Irvine, California, United States of America
| | - Qing Nie
- Department of Mathematics, University of California, Irvine, Irvine, California, United States of America
| | - Tau-Mu Yi
- Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, Santa Barbara, California, United States of America
- * E-mail: (TMY); (CSC)
| | - Ching-Shan Chou
- Department of Mathematics, The Ohio State University, Columbus, Ohio, United States of America
- * E-mail: (TMY); (CSC)
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269
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Veeman MT, McDonald JA. Dynamics of cell polarity in tissue morphogenesis: a comparative view from Drosophila and Ciona. F1000Res 2016; 5. [PMID: 27303647 PMCID: PMC4892338 DOI: 10.12688/f1000research.8011.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/31/2016] [Indexed: 12/16/2022] Open
Abstract
Tissues in developing embryos exhibit complex and dynamic rearrangements that shape forming organs, limbs, and body axes. Directed migration, mediolateral intercalation, lumen formation, and other rearrangements influence the topology and topography of developing tissues. These collective cell behaviors are distinct phenomena but all involve the fine-grained control of cell polarity. Here we review recent findings in the dynamics of polarized cell behavior in both the
Drosophila ovarian border cells and the
Ciona notochord. These studies reveal the remarkable reorganization of cell polarity during organ formation and underscore conserved mechanisms of developmental cell polarity including the Par/atypical protein kinase C (aPKC) and planar cell polarity pathways. These two very different model systems demonstrate important commonalities but also key differences in how cell polarity is controlled in tissue morphogenesis. Together, these systems raise important, broader questions on how the developmental control of cell polarity contributes to morphogenesis of diverse tissues across the metazoa.
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Affiliation(s)
- Michael T Veeman
- Division of Biology, Kansas State University, Manhattan, Kansas, 66506, USA
| | - Jocelyn A McDonald
- Division of Biology, Kansas State University, Manhattan, Kansas, 66506, USA
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270
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Leader Cells Define Directionality of Trunk, but Not Cranial, Neural Crest Cell Migration. Cell Rep 2016; 15:2076-88. [PMID: 27210753 PMCID: PMC4893160 DOI: 10.1016/j.celrep.2016.04.067] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 01/27/2016] [Accepted: 04/16/2016] [Indexed: 11/22/2022] Open
Abstract
Collective cell migration is fundamental for life and a hallmark of cancer. Neural crest (NC) cells migrate collectively, but the mechanisms governing this process remain controversial. Previous analyses in Xenopus indicate that cranial NC (CNC) cells are a homogeneous population relying on cell-cell interactions for directional migration, while chick embryo analyses suggest a heterogeneous population with leader cells instructing directionality. Our data in chick and zebrafish embryos show that CNC cells do not require leader cells for migration and all cells present similar migratory capacities. In contrast, laser ablation of trunk NC (TNC) cells shows that leader cells direct movement and cell-cell contacts are required for migration. Moreover, leader and follower identities are acquired before the initiation of migration and remain fixed thereafter. Thus, two distinct mechanisms establish the directionality of CNC cells and TNC cells. This implies the existence of multiple molecular mechanisms for collective cell migration. CNC rely on cell-cell interactions to migrate directionally Leader cells dictate directionality to followers in the trunk NC population Leader and follower identities are acquired before the initiation of migration Leader and follower identities are non-interchangeable during migration
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271
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Paksa A, Bandemer J, Hoeckendorf B, Razin N, Tarbashevich K, Minina S, Meyen D, Biundo A, Leidel SA, Peyrieras N, Gov NS, Keller PJ, Raz E. Repulsive cues combined with physical barriers and cell-cell adhesion determine progenitor cell positioning during organogenesis. Nat Commun 2016; 7:11288. [PMID: 27088892 PMCID: PMC4837475 DOI: 10.1038/ncomms11288] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 03/09/2016] [Indexed: 01/15/2023] Open
Abstract
The precise positioning of organ progenitor cells constitutes an essential, yet poorly understood step during organogenesis. Using primordial germ cells that participate in gonad formation, we present the developmental mechanisms maintaining a motile progenitor cell population at the site where the organ develops. Employing high-resolution live-cell microscopy, we find that repulsive cues coupled with physical barriers confine the cells to the correct bilateral positions. This analysis revealed that cell polarity changes on interaction with the physical barrier and that the establishment of compact clusters involves increased cell–cell interaction time. Using particle-based simulations, we demonstrate the role of reflecting barriers, from which cells turn away on contact, and the importance of proper cell–cell adhesion level for maintaining the tight cell clusters and their correct positioning at the target region. The combination of these developmental and cellular mechanisms prevents organ fusion, controls organ positioning and is thus critical for its proper function. The precise positioning of organ progenitor cells is essential for organ development and function. Here the authors use live imaging and mathematical modelling to show that the confinement of a motile progenitor cell population results from coupled physical barriers and cell-cell interactions.
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Affiliation(s)
- Azadeh Paksa
- Institute for Cell Biology, ZMBE, Von-Esmarch-Street 56, 48149 Muenster, Germany
| | - Jan Bandemer
- Institute for Cell Biology, ZMBE, Von-Esmarch-Street 56, 48149 Muenster, Germany
| | | | - Nitzan Razin
- Department of Chemical Physics, Weizmann Institute of Science, Rehovot 76100, Israel
| | | | - Sofia Minina
- Germ Cell Development, Max-Planck Institute of Biophysical Chemistry, Am Fassberg 11, 37070 Göttingen, Germany
| | - Dana Meyen
- Institute for Cell Biology, ZMBE, Von-Esmarch-Street 56, 48149 Muenster, Germany
| | - Antonio Biundo
- Max Planck Research Group for RNA Biology, Max Planck Institute for Molecular Biomedicine, Von-Esmarch-Strasse 54, 48149 Muenster, Germany
| | - Sebastian A Leidel
- Max Planck Research Group for RNA Biology, Max Planck Institute for Molecular Biomedicine, Von-Esmarch-Strasse 54, 48149 Muenster, Germany
| | - Nadine Peyrieras
- USR3695 BioEmergences, CNRS, Université Paris-Saclay, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Nir S Gov
- Department of Chemical Physics, Weizmann Institute of Science, Rehovot 76100, Israel
| | | | - Erez Raz
- Institute for Cell Biology, ZMBE, Von-Esmarch-Street 56, 48149 Muenster, Germany
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272
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Scarpa E, Mayor R. Collective cell migration in development. J Exp Med 2016. [DOI: 10.1084/jem.2132oia3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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