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Pajic-Lijakovic I, Milivojevic M, McClintock PVE. Role of viscoelasticity in the appearance of low-Reynolds turbulence: considerations for modelling. J Biol Eng 2024; 18:24. [PMID: 38589891 DOI: 10.1186/s13036-024-00415-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 02/24/2024] [Indexed: 04/10/2024] Open
Abstract
Inertial effects caused by perturbations of dynamical equilibrium during the flow of soft matter constitute a hallmark of turbulence. Such perturbations are attributable to an imbalance between energy storage and energy dissipation. During the flow of Newtonian fluids, kinetic energy can be both stored and dissipated, while the flow of viscoelastic soft matter systems, such as polymer fluids, induces the accumulation of both kinetic and elastic energies. The accumulation of elastic energy causes local stiffening of stretched polymer chains, which can destabilise the flow. Migrating multicellular systems are hugely complex and are capable of self-regulating their viscoelasticity and mechanical stress generation, as well as controlling their energy storage and energy dissipation. Since the flow perturbation of viscoelastic systems is caused by the inhomogeneous accumulation of elastic energy, rather than of kinetic energy, turbulence can occur at low Reynolds numbers.This theoretical review is focused on clarifying the role of viscoelasticity in the appearance of low-Reynolds turbulence. Three types of system are considered and compared: (1) high-Reynolds turbulent flow of Newtonian fluids, (2) low and moderate-Reynolds flow of polymer solutions, and (3) migration of epithelial collectives, discussed in terms of two model systems. The models considered involve the fusion of two epithelial aggregates, and the free expansion of epithelial monolayers on a substrate matrix.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Belgrade, Serbia.
| | - Milan Milivojevic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Belgrade, Serbia
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2
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Pajic-Lijakovic I, Milivojevic M. Collective durotaxis along a self-generated mobile stiffness gradient in vivo. Biosystems 2024; 237:105155. [PMID: 38367761 DOI: 10.1016/j.biosystems.2024.105155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 02/19/2024]
Abstract
A crucial aspect of tissue self-organization during morphogenesis, wound healing, and cancer invasion is directed migration of cell collectives. The majority of in vivo directed migration has been guided by chemotaxis, whereby cells follow a chemical gradient. In certain situations, migrating cell collectives can also self-generate the stiffness gradient in the surrounding tissue, which can have a feedback effect on the directionality of the migration. The phenomenon has been observed during collective durotaxis in vivo. Along the biointerface between neighbouring tissues, heterotypic cell-cell interactions are the main cause of this self-generated stiffness gradient. The physical processes in charge of tissue self-organization along the biointerface, which are related to the interplay between cell signalling and the formation of heterotypic cell-cell adhesion contacts, are less well-developed than the biological mechanisms of the cellular interactions. This complex phenomenon is discussed here in the model system, such as collective migration of neural crest cells between ectodermal placode and mesoderm subpopulations within Xenopus embryos by pointing to the role of the dynamics along the biointerface between adjacent cell subpopulations on the subpopulation stiffness.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- University of Belgrade, Faculty of Technology and Metallurgy, Department of Chemical Engineering, Karnegijeva 4, Belgrade, 11000, Serbia.
| | - Milan Milivojevic
- University of Belgrade, Faculty of Technology and Metallurgy, Department of Chemical Engineering, Karnegijeva 4, Belgrade, 11000, Serbia
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3
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Pajic-Lijakovic I, Milivojevic M. Physics of collective cell migration. EUROPEAN BIOPHYSICS JOURNAL : EBJ 2023; 52:625-640. [PMID: 37707627 DOI: 10.1007/s00249-023-01681-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 06/13/2023] [Accepted: 08/24/2023] [Indexed: 09/15/2023]
Abstract
Movement of cell clusters along extracellular matrices (ECM) during tissue development, wound healing, and early stage of cancer invasion involve various inter-connected migration modes such as: (1) cell movement within clusters, (2) cluster extension (wetting) and compression (de-wetting), and (3) directional cluster movement. It has become increasingly evident that dilational and volumetric viscoelasticity of cell clusters and their surrounding substrate significantly influence these migration modes through physical parameters such as: tissue and matrix surface tensions, interfacial tension between cells and substrate, gradients of surface and interfacial tensions, as well as, the accumulation of cell and matrix residual stresses. Inhomogeneous distribution of tissue surface tension along the cell-matrix biointerface can appear as a consequence of different contractility of various cluster regions. While the directional cell migration caused by the matrix stiffness gradient (i.e., durotaxis) has been widely elaborated, the structural changes of matrix surface caused by cell tractions which lead to the generation of the matrix surface tension gradient has not been considered yet. The main goal of this theoretical consideration is to clarify the roles of various physical parameters in collective cell migration based on the formulation of a biophysical model. This complex phenomenon is discussed with the help of model systems such as the movement of cell clusters on a collagen I gel matrix, simultaneously reviewing various experimental data with and without cells.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- Faculty of Technology and Metallurgy, Belgrade University, Karnegijeva 4, Belgrade, Serbia.
| | - Milan Milivojevic
- Faculty of Technology and Metallurgy, Belgrade University, Karnegijeva 4, Belgrade, Serbia
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4
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Lee SH, Yousafzai MS, Mohler K, Yadav V, Amiri S, Szuszkiewicz J, Levchenko A, Rinehart J, Murrell M. SPAK-dependent cotransporter activity mediates capillary adhesion and pressure during glioblastoma migration in confined spaces. Mol Biol Cell 2023; 34:ar122. [PMID: 37672340 PMCID: PMC10846615 DOI: 10.1091/mbc.e23-03-0103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/16/2023] [Accepted: 08/30/2023] [Indexed: 09/08/2023] Open
Abstract
The invasive potential of glioblastoma cells is attributed to large changes in pressure and volume, driven by diverse elements, including the cytoskeleton and ion cotransporters. However, how the cell actuates changes in pressure and volume in confinement, and how these changes contribute to invasive motion is unclear. Here, we inhibited SPAK activity, with known impacts on the cytoskeleton and cotransporter activity and explored its role on the migration of glioblastoma cells in confining microchannels to model invasive spread through brain tissue. First, we found that confinement altered cell shape, inducing a transition in morphology that resembled droplet interactions with a capillary vessel, from "wetting" (more adherent) at low confinement, to "nonwetting" (less adherent) at high confinement. This transition was marked by a change from negative to positive pressure by the cells to the confining walls, and an increase in migration speed. Second, we found that the SPAK pathway impacted the migration speed in different ways dependent upon the extent of wetting. For nonwetting cells, SPAK inhibition increased cell-surface tension and cotransporter activity. By contrast, for wetting cells, it also reduced myosin II and YAP phosphorylation. In both cases, membrane-to-cortex attachment is dramatically reduced. Thus, our results suggest that SPAK inhibition differentially coordinates cotransporter and cytoskeleton-induced forces, to impact glioblastoma migration depending on the extent of confinement.
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Affiliation(s)
- Sung Hoon Lee
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
- Systems Biology Institute, Yale University, West Haven, CT 06516
| | - Muhammad Sulaiman Yousafzai
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
- Systems Biology Institute, Yale University, West Haven, CT 06516
| | - Kyle Mohler
- Systems Biology Institute, Yale University, West Haven, CT 06516
- Department of Cellular and Molecular Physiology, Yale University, New Haven, CT 06510
| | - Vikrant Yadav
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
- Systems Biology Institute, Yale University, West Haven, CT 06516
| | - Sorosh Amiri
- Systems Biology Institute, Yale University, West Haven, CT 06516
- Department of Mechanical Engineering, Yale University, New Haven, CT 06520
| | - Joanna Szuszkiewicz
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
- Systems Biology Institute, Yale University, West Haven, CT 06516
| | - Andre Levchenko
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
- Systems Biology Institute, Yale University, West Haven, CT 06516
| | - Jesse Rinehart
- Systems Biology Institute, Yale University, West Haven, CT 06516
- Department of Cellular and Molecular Physiology, Yale University, New Haven, CT 06510
| | - Michael Murrell
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
- Department of Physics, Yale University, New Haven, CT 06511
- Systems Biology Institute, Yale University, West Haven, CT 06516
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5
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Yousafzai MS, Hammer JA. Using Biosensors to Study Organoids, Spheroids and Organs-on-a-Chip: A Mechanobiology Perspective. BIOSENSORS 2023; 13:905. [PMID: 37887098 PMCID: PMC10605946 DOI: 10.3390/bios13100905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/13/2023] [Accepted: 09/19/2023] [Indexed: 10/28/2023]
Abstract
The increasing popularity of 3D cell culture models is being driven by the demand for more in vivo-like conditions with which to study the biochemistry and biomechanics of numerous biological processes in health and disease. Spheroids and organoids are 3D culture platforms that self-assemble and regenerate from stem cells, tissue progenitor cells or cell lines, and that show great potential for studying tissue development and regeneration. Organ-on-a-chip approaches can be used to achieve spatiotemporal control over the biochemical and biomechanical signals that promote tissue growth and differentiation. These 3D model systems can be engineered to serve as disease models and used for drug screens. While culture methods have been developed to support these 3D structures, challenges remain to completely recapitulate the cell-cell and cell-matrix biomechanical interactions occurring in vivo. Understanding how forces influence the functions of cells in these 3D systems will require precise tools to measure such forces, as well as a better understanding of the mechanobiology of cell-cell and cell-matrix interactions. Biosensors will prove powerful for measuring forces in both of these contexts, thereby leading to a better understanding of how mechanical forces influence biological systems at the cellular and tissue levels. Here, we discussed how biosensors and mechanobiological research can be coupled to develop accurate, physiologically relevant 3D tissue models to study tissue development, function, malfunction in disease, and avenues for disease intervention.
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Affiliation(s)
- Muhammad Sulaiman Yousafzai
- Cell and Developmental Biology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - John A. Hammer
- Cell and Developmental Biology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
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6
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Shui Y, Zhou J, Luo X, Liang H, Liu Y. Imaging through scattering media under strong ambient light interference via the lock-in process. OPTICS EXPRESS 2023; 31:29782-29791. [PMID: 37710771 DOI: 10.1364/oe.499215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 08/02/2023] [Indexed: 09/16/2023]
Abstract
Scattered light imaging techniques leveraging memory effects have been extensively investigated, yet most approaches are limited to operating in predominantly dark environments. The introduction of additional optical noise disrupts the fine structure of the original speckle pattern, undermining spatial correlation and resulting in imaging failure. In this study, we present a high-performance imaging method that integrates a lock-in process to overcome this limitation. Our experimental results demonstrate that the proposed technique enables successful imaging of targets in low signal-to-background ratio (SBR) environments, even at SBR levels as low as -28.0 dB. Furthermore, the method allows for the directional separation of targets with distinct modulation frequencies. This innovative approach has the potential to significantly expand the applicability of scattering imaging techniques by eliminating the constraints of dark field environments, thereby enhancing the convenience of in vivo microscopy and daytime astronomical observations.
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Dow LP, Parmar T, Marchetti MC, Pruitt BL. Engineering tools for quantifying and manipulating forces in epithelia. BIOPHYSICS REVIEWS 2023; 4:021303. [PMID: 38510344 PMCID: PMC10903508 DOI: 10.1063/5.0142537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 04/20/2023] [Indexed: 03/22/2024]
Abstract
The integrity of epithelia is maintained within dynamic mechanical environments during tissue development and homeostasis. Understanding how epithelial cells mechanosignal and respond collectively or individually is critical to providing insight into developmental and (patho)physiological processes. Yet, inferring or mimicking mechanical forces and downstream mechanical signaling as they occur in epithelia presents unique challenges. A variety of in vitro approaches have been used to dissect the role of mechanics in regulating epithelia organization. Here, we review approaches and results from research into how epithelial cells communicate through mechanical cues to maintain tissue organization and integrity. We summarize the unique advantages and disadvantages of various reduced-order model systems to guide researchers in choosing appropriate experimental systems. These model systems include 3D, 2D, and 1D micromanipulation methods, single cell studies, and noninvasive force inference and measurement techniques. We also highlight a number of in silico biophysical models that are informed by in vitro and in vivo observations. Together, a combination of theoretical and experimental models will aid future experiment designs and provide predictive insight into mechanically driven behaviors of epithelial dynamics.
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Affiliation(s)
| | - Toshi Parmar
- Department of Physics, University of California Santa Barbara, Santa Barbara, California 93106, USA
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8
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Carrère A, d'Alessandro J, Cochet-Escartin O, Hesnard J, Ghazi N, Rivière C, Anjard C, Detcheverry F, Rieu JP. Microphase separation of living cells. Nat Commun 2023; 14:796. [PMID: 36781863 PMCID: PMC9925768 DOI: 10.1038/s41467-023-36395-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 01/30/2023] [Indexed: 02/15/2023] Open
Abstract
Self-organization of cells is central to a variety of biological systems and physical concepts of condensed matter have proven instrumental in deciphering some of their properties. Here we show that microphase separation, long studied in polymeric materials and other inert systems, has a natural counterpart in living cells. When placed below a millimetric film of liquid nutritive medium, a quasi two-dimensional, high-density population of Dictyostelium discoideum cells spontaneously assembles into compact domains. Their typical size of 100 μm is governed by a balance between competing interactions: an adhesion acting as a short-range attraction and promoting aggregation, and an effective long-range repulsion stemming from aerotaxis in near anoxic condition. Experimental data, a simple model and cell-based simulations all support this scenario. Our findings establish a generic mechanism for self-organization of living cells and highlight oxygen regulation as an emergent organizing principle for biological matter.
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Affiliation(s)
- A Carrère
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - J d'Alessandro
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - O Cochet-Escartin
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - J Hesnard
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - N Ghazi
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - C Rivière
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - C Anjard
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France
| | - F Detcheverry
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France.
| | - J-P Rieu
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, Villeurbanne, France.
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9
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Pajic-Lijakovic I, Milivojevic M. Active wetting of epithelial tissues: modeling considerations. EUROPEAN BIOPHYSICS JOURNAL : EBJ 2023; 52:1-15. [PMID: 36593348 DOI: 10.1007/s00249-022-01625-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/09/2022] [Accepted: 12/21/2022] [Indexed: 01/03/2023]
Abstract
Morphogenesis, tissue regeneration, and cancer invasion involve transitions in tissue morphology. These transitions, caused by collective cell migration (CCM), have been interpreted as active wetting/de-wetting transitions. This phenomenon is considered based on a model system as wetting of a cell aggregate on a rigid substrate, which includes cell aggregate movement and isotropic/anisotropic spreading of a cell monolayer around the aggregate depending on the substrate rigidity and aggregate size. This model system accounts for the transition between 3D epithelial aggregate and 2D cell monolayer as a product of: (1) tissue surface tension, (2) surface tension of substrate matrix, (3) cell-matrix interfacial tension, (4) interfacial tension gradient, (5) viscoelasticity caused by CCM, and (6) viscoelasticity of substrate matrix. These physical parameters depend on the cell contractility and state of cell-cell and cell-matrix adhesion contacts, as well as the stretching/compression of cellular systems caused by CCM. Despite extensive research devoted to study cell wetting, we still do not understand the interplay among these physical parameters which induces an oscillatory trend of cell rearrangement. This review focuses on these physical parameters in governing the cell rearrangement in the context of epithelial aggregate wetting/de-wetting, and on modeling approaches aimed at reproducing and understanding these biological systems. In this context, we not only review previously published biophysical models for cell rearrangement caused by CCM, but also propose new extensions of those models to point out the interrelation between cell-matrix interfacial tension and epithelial viscoelasticity and the role of the interfacial tension gradient in cell spreading.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Karnegijeva 4, 11000, Belgrade, Serbia.
| | - Milan Milivojevic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Karnegijeva 4, 11000, Belgrade, Serbia
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10
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Pajic-Lijakovic I, Eftimie R, Milivojevic M, Bordas SPA. The dynamics along the biointerface between the epithelial and cancer mesenchymal cells: Modeling consideration. Semin Cell Dev Biol 2023; 147:47-57. [PMID: 36631334 DOI: 10.1016/j.semcdb.2022.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023]
Abstract
Epithelial cancer is the one of most lethal cancer type worldwide. Targeting the early stage of disease would allow dramatic improvements in the survival of cancer patients. The early stage of the disease is related to cancer cell spreading across surrounding healthy epithelium. Consequently, deeper insight into cell dynamics along the biointerface between epithelial and cancer (mesenchymal) cells is necessary in order to control the disease as soon as possible. Cell dynamics along this epithelial-cancer biointerface is the result of the interplay between various biological and physical mechanisms. Despite extensive research devoted to study cancer cell spreading across the epithelium, we still do not understand the physical mechanisms which influences the dynamics along the biointerface. These physical mechanisms are related to the interplay between physical parameters such as: (1) interfacial tension between cancer and epithelial subpopulations, (2) established interfacial tension gradients, (3) the bending rigidity of the biointerface and its impact on the interfacial tension, (4) surface tension of the subpopulations, (5) viscoelasticity caused by collective cell migration, and (6) cell residual stress accumulation. The main goal of this study is to review some of these physical parameters in the context of the epithelial/cancer biointerface elaborated on the model system such as the biointerface between breast epithelial MCF-10A cells and cancer MDA-MB-231 cells and then to incorporate these parameters into a new biophysical model that could describe the dynamics of the biointerface. We conclude by discussing three biophysical scenarios for cell dynamics along the biointerface, which can occur depending on the magnitude of the generated shear stress: a smooth biointerface, a slightly-perturbed biointerface and an intensively-perturbed biointerface in the context of the Kelvin-Helmholtz instability. These scenarios are related to the probability of cancer invasion.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- University of Belgrade, Faculty of Technology and Metallurgy, Department of Chemical Engineering, Serbia.
| | - Raluca Eftimie
- Laboratoire Mathematiques de Besançon, UMR-CNRS 6623, Université de Bourgogne Franche-Comte, 16 Route de Gray, Besançon 25000, France
| | - Milan Milivojevic
- University of Belgrade, Faculty of Technology and Metallurgy, Department of Chemical Engineering, Serbia
| | - Stéphane P A Bordas
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan; Institute for Computational Engineering, Faculty of Science, Technology and Communication, University of Luxembourg, Esch-sur-Alzette, Luxembourg
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11
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Zarubova J, Hasani-Sadrabadi MM, Norris SCP, Majedi FS, Xiao C, Kasko AM, Li S. Cell-Taxi: Mesenchymal Cells Carry and Transport Clusters of Cancer Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203515. [PMID: 36307906 PMCID: PMC9772300 DOI: 10.1002/smll.202203515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 09/09/2022] [Indexed: 06/16/2023]
Abstract
Cell clusters that collectively migrate from primary tumors appear to be far more potent in forming distant metastases than single cancer cells. A better understanding of the collective cell migration phenomenon and the involvement of various cell types during this process is needed. Here, an in vitro platform based on inverted-pyramidal microwells to follow and quantify the collective migration of hundreds of tumor cell clusters at once is developed. These results indicate that mesenchymal stromal cells (MSCs) or cancer-associated fibroblasts (CAFs) in the heterotypic tumor cell clusters may facilitate metastatic dissemination by transporting low-motile cancer cells in a Rac-dependent manner and that extracellular vesicles secreted by mesenchymal cells only play a minor role in this process. Furthermore, in vivo studies show that cancer cell spheroids containing MSCs or CAFs have faster spreading rates. These findings highlight the active role of co-traveling stromal cells in the collective migration of tumor cell clusters and may help in developing better-targeted therapies.
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Affiliation(s)
- Jana Zarubova
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
- Department of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Prague, 14220, Czech Republic
| | - Mohammad Mahdi Hasani-Sadrabadi
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
| | - Sam C P Norris
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
| | - Fatemeh Sadat Majedi
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
| | - Crystal Xiao
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
| | - Andrea M Kasko
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
| | - Song Li
- Department of Bioengineering, University of California, 420 Westwood Plaza, 5121 Engineering V, Los Angeles, CA, 90095-1600, USA
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12
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Staddon MF, Murrell MP, Banerjee S. Interplay between substrate rigidity and tissue fluidity regulates cell monolayer spreading. SOFT MATTER 2022; 18:7877-7886. [PMID: 36205535 PMCID: PMC9700261 DOI: 10.1039/d2sm00757f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Coordinated and cooperative motion of cells is essential for embryonic development, tissue morphogenesis, wound healing and cancer invasion. A predictive understanding of the emergent mechanical behaviors in collective cell motion is challenging due to the complex interplay between cell-cell interactions, cell-matrix adhesions and active cell behaviors. To overcome this challenge, we develop a predictive cellular vertex model that can delineate the relative roles of substrate rigidity, tissue mechanics and active cell properties on the movement of cell collectives. We apply the model to the specific case of collective motion in cell aggregates as they spread into a two-dimensional cell monolayer adherent to a soft elastic matrix. Consistent with recent experiments, we find that substrate stiffness regulates the driving forces for the spreading of cellular monolayer, which can be pressure-driven or crawling-based depending on substrate rigidity. On soft substrates, cell monolayer spreading is driven by an active pressure due to the influx of cells coming from the aggregate, whereas on stiff substrates, cell spreading is driven primarily by active crawling forces. Our model predicts that cooperation of cell crawling and tissue pressure drives faster spreading, while the spreading rate is sensitive to the mechanical properties of the tissue. We find that solid tissues spread faster on stiff substrates, with spreading rate increasing with tissue tension. By contrast, the spreading of fluid tissues is independent of substrate stiffness and is slower than solid tissues. We compare our theoretical results with experimental results on traction force generation and spreading kinetics of cell monolayers, and provide new predictions on the role of tissue fluidity and substrate rigidity on collective cell motion.
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Affiliation(s)
- Michael F Staddon
- Center for Systems Biology Dresden, Dresden, Germany
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
- Max Planck Institute for the Physics of Complex Systems, Dresden, Germany
| | - Michael P Murrell
- Department of Biomedical Engineering and Department of Physics, Yale University, New Haven, CT, USA
- Systems Biology Institute, Yale University, West Haven, CT, USA
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13
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Pagès DL, Dornier E, de Seze J, Gontran E, Maitra A, Maciejewski A, Wang L, Luan R, Cartry J, Canet-Jourdan C, Raingeaud J, Lemahieu G, Lebel M, Ducreux M, Gelli M, Scoazec JY, Coppey M, Voituriez R, Piel M, Jaulin F. Cell clusters adopt a collective amoeboid mode of migration in confined nonadhesive environments. SCIENCE ADVANCES 2022; 8:eabp8416. [PMID: 36179021 PMCID: PMC9524834 DOI: 10.1126/sciadv.abp8416] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 08/03/2022] [Indexed: 05/28/2023]
Abstract
Cell migration is essential to living organisms and deregulated in cancer. Single cell's migration ranges from traction-dependent mesenchymal motility to contractility-driven propulsive amoeboid locomotion, but collective cell migration has only been described as a focal adhesion-dependent and traction-dependent process. Here, we show that cancer cell clusters, from patients and cell lines, migrate without focal adhesions when confined into nonadhesive microfabricated channels. Clusters coordinate and behave like giant super cells, mobilizing their actomyosin contractility at the rear to power their migration. This polarized cortex does not sustain persistent retrograde flows, of cells or actin, like in the other modes of migration but rather harnesses fluctuating cell deformations, or jiggling. Theoretical physical modeling shows this is sufficient to create a gradient of friction forces and trigger directed cluster motion. This collective amoeboid mode of migration could foster metastatic spread by enabling cells to cross a wide spectrum of environments.
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Affiliation(s)
- Diane-Laure Pagès
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
- Université Paris-Saclay, Inserm, Institut Gustave Roussy, Dynamique des Cellules Tumorales, Villejuif 94800, France
| | | | - Jean de Seze
- Laboratoire Physico Chimie Curie, Institut Curie, PSL Research University, Sorbonne Université, CNRS, Paris 75005, France
| | - Emilie Gontran
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
| | - Ananyo Maitra
- Laboratoire Jean Perrin, UMR 8237 CNRS/Sorbonne Université, Paris 75255, France
| | - Aurore Maciejewski
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
- Université Paris-Saclay, Inserm, Institut Gustave Roussy, Dynamique des Cellules Tumorales, Villejuif 94800, France
| | - Li Wang
- Institut Curie and Institut Pierre Gilles de Gennes, PSL Research University, CNRS, UMR 144, Paris 75005, France
| | - Rui Luan
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
| | - Jérôme Cartry
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
| | - Charlotte Canet-Jourdan
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
- Université Paris-Saclay, Inserm, Institut Gustave Roussy, Dynamique des Cellules Tumorales, Villejuif 94800, France
| | - Joël Raingeaud
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
| | | | | | - Michel Ducreux
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
- Département de Médecine Oncologique, Gustave Roussy, Université Paris-Saclay, Villejuif F-94805, France
| | - Maximiliano Gelli
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
- Département de Chirurgie Viscérale, Gustave Roussy, Villejuif F-94805, France
| | - Jean-Yves Scoazec
- Service de Pathologie, Département de Biologie et Pathologie Médicale, Gustave Roussy, Villejuif F-94805, France
- Faculté de Médecine, Université Paris Saclay, Le Kremlin-Bicêtre F-94270, France
| | - Mathieu Coppey
- Laboratoire Physico Chimie Curie, Institut Curie, PSL Research University, Sorbonne Université, CNRS, Paris 75005, France
| | - Raphaël Voituriez
- Laboratoire Jean Perrin, UMR 8237 CNRS/Sorbonne Université, Paris 75255, France
- Laboratoire de Physique Théorique de la Matière Condensée, UMR 7600 CNRS/Sorbonne Université, Paris 75255, France
| | - Matthieu Piel
- Institut Curie and Institut Pierre Gilles de Gennes, PSL Research University, CNRS, UMR 144, Paris 75005, France
| | - Fanny Jaulin
- Inserm U-1279, Gustave Roussy, Villejuif F-94805, France
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14
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Zambarda C, Pérez González C, Schoenit A, Veits N, Schimmer C, Jung R, Ollech D, Christian J, Roca-Cusachs P, Trepat X, Cavalcanti-Adam EA. Epithelial cell cluster size affects force distribution in response to EGF-induced collective contractility. Eur J Cell Biol 2022; 101:151274. [PMID: 36152392 DOI: 10.1016/j.ejcb.2022.151274] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 08/08/2022] [Accepted: 09/08/2022] [Indexed: 12/14/2022] Open
Abstract
Several factors present in the extracellular environment regulate epithelial cell adhesion and dynamics. Among them, growth factors such as EGF, upon binding to their receptors at the cell surface, get internalized and directly activate the acto-myosin machinery. In this study we present the effects of EGF on the contractility of epithelial cancer cell colonies in confined geometry of different sizes. We show that the extent to which EGF triggers contractility scales with the cluster size and thus the number of cells. Moreover, the collective contractility results in a radial distribution of traction forces, which are dependent on integrin β1 peripheral adhesions and transmitted to neighboring cells through adherens junctions. Taken together, EGF-induced contractility acts on the mechanical crosstalk and linkage between the cell-cell and cell-matrix compartments, regulating collective responses.
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Affiliation(s)
- Chiara Zambarda
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Carlos Pérez González
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Technology (BIST), Barcelona, Spain; University of Barcelona, Barcelona, Spain
| | - Andreas Schoenit
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Nisha Veits
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Clara Schimmer
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Raimund Jung
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Dirk Ollech
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Joel Christian
- Max Planck Institute for Medical Research, Jahnstr. 29, D-69120 Heidelberg, Germany
| | - Pere Roca-Cusachs
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Technology (BIST), Barcelona, Spain; University of Barcelona, Barcelona, Spain
| | - Xavier Trepat
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Technology (BIST), Barcelona, Spain; University of Barcelona, Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain; Centro de Investigación Biomédica en Red de Bioingeniería (CIBER-BBN), 08028 Barcelona, Spain
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15
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Yousafzai MS, Yadav V, Amiri S, Staddon MF, Errami Y, Jaspard G, Banerjee S, Murrell M. Cell-Matrix Elastocapillary Interactions Drive Pressure-based Wetting of Cell Aggregates. PHYSICAL REVIEW. X 2022; 12:031027. [PMID: 38009085 PMCID: PMC10673637 DOI: 10.1103/physrevx.12.031027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
Cell-matrix interfacial energies and the energies of matrix deformations may be comparable on cellular length-scales, yet how capillary effects influence tis sue shape and motion are unknown. In this work, we induce wetting (spreading and migration) of cell aggregates, as models of active droplets onto adhesive substrates of varying elasticity and correlate the dynamics of wetting to the balance of interfacial tensions. Upon wetting rigid substrates, cell-substrate tension drives outward expansion of the monolayer. By contrast, upon wetting compliant substrates, cell substrate tension is attenuated and aggregate capillary forces contribute to internal pressures that drive expansion. Thus, we show by experiments, data-driven modeling and computational simulations that myosin-driven 'active elasto-capillary' effects enable adaptation of wetting mechanisms to substrate rigidity and introduce a novel, pressure-based mechanism for guiding collective cell motion.
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Affiliation(s)
- M S Yousafzai
- Department of Biomedical Engineering, Yale University, 55 Prospect Street, New Haven, Connecticut 06511, USA
- Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
| | - V Yadav
- Department of Biomedical Engineering, Yale University, 55 Prospect Street, New Haven, Connecticut 06511, USA
- Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
| | - S Amiri
- Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
- Department of Mechanical Engineering and Material Science, Yale University, 10 Hillhouse Avenue, New Haven, Connecticut 06511, USA
| | - M F Staddon
- Center for Systems Biology Dresden, Dresden, Germany
- Max Planck Institute for the Physics of Complex Systems, Dresden, Germany
| | - Y Errami
- Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
- Department of Genetics, Yale School of Medicine, Sterling Hall of Medicine, 333 Cedar Street, New Haven, 06510
- Center for Cancer Systems Biology, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
| | - G Jaspard
- Department of Biomedical Engineering, Yale University, 55 Prospect Street, New Haven, Connecticut 06511, USA
- Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
| | - S Banerjee
- Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA and
| | - M Murrell
- Department of Biomedical Engineering, Yale University, 55 Prospect Street, New Haven, Connecticut 06511, USA
- Systems Biology Institute, Yale University, 850 West Campus Drive, West Haven, Connecticut 06516, USA
- Department of Physics, Yale University, 217 Prospect Street, New Haven, Connecticut 06511, USA
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16
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Systematically Assessing Natural Compounds’ Wound Healing Potential with Spheroid and Scratch Assays. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1401:227-241. [DOI: 10.1007/5584_2022_727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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17
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Ban T, Matsumoto K, Nanzai B, Mori Y, Nabika H. Bifurcation of chemically driven self-propelled droplets on a surfactant-adsorbed surface based on spreading coefficients. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126563] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Min S, Choe C, Roh S. AQP3 Increases Intercellular Cohesion in NSCLC A549 Cell Spheroids through Exploratory Cell Protrusions. Int J Mol Sci 2021; 22:ijms22084287. [PMID: 33924231 PMCID: PMC8074759 DOI: 10.3390/ijms22084287] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/16/2021] [Accepted: 04/17/2021] [Indexed: 12/25/2022] Open
Abstract
Tumor cell aggregation is critical for cell survival following the loss of extracellular matrix attachment and dissemination. However, the underlying mechanotransduction of clustering solitary tumor cells is poorly understood, especially in non-small cell lung cancers (NSCLC). Here, we examined whether cell surface protrusions played an important role in facilitating the physical contact between floating cells detached from a substrate. We employed poly-2-hydroxyethyl methacrylate-based 3D culture methods to mimic in vivo tumor cell cluster formation. The suprastructural analysis of human NSCLC A549 cell spheroids showed that finger-like protrusions clung together via the actin cytoskeleton. Time-lapse holotomography demonstrated that the finger-like protrusions of free-floating cells in 3D culture displayed exploratory coalescence. Global gene expression analysis demonstrated that the genes in the organic hydroxyl transport were particularly enriched in the A549 cell spheroids. Particularly, the knockdown of the water channel aquaporin 3 gene (AQP3) impaired multicellular aggregate formation in 3D culture through the rearrangement of the actomyosin cytoskeleton. Moreover, the cells with reduced levels of AQP3 decreased their transmigration. Overall, these data indicate that cell detachment-upregulated AQP3 contributes to cell surface protrusions through actomyosin cytoskeleton remodeling, causing the aggressive aggregation of free-floating cells dependent on the property of the substratum and collective metastasis.
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Affiliation(s)
- Sol Min
- Cellular Reprogramming and Embryo Biotechnology Laboratory, Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea;
| | - Chungyoul Choe
- Cellular Reprogramming and Embryo Biotechnology Laboratory, Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea;
- Samsung Medical Center, Samsung Biomedical Research Institute, School of Medicine, Sungkyunkwan University, Seoul 06351, Korea
- Correspondence: (C.C.); (S.R.); Tel.: +82-221487353 (C.C.); Tel.: +82-28802333 (S.R.)
| | - Sangho Roh
- Cellular Reprogramming and Embryo Biotechnology Laboratory, Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea;
- Correspondence: (C.C.); (S.R.); Tel.: +82-221487353 (C.C.); Tel.: +82-28802333 (S.R.)
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19
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Mosier JA, Wu Y, Reinhart-King CA. Recent advances in understanding the role of metabolic heterogeneities in cell migration. Fac Rev 2021; 10:8. [PMID: 33659926 PMCID: PMC7894266 DOI: 10.12703/r/10-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Migration is an energy-intensive, multi-step process involving cell adhesion, protrusion, and detachment. Each of these steps require cells to generate and consume energy, regulating their morphological changes and force generation. Given the need for energy to move, cellular metabolism has emerged as a critical regulator of both single cell and collective migration. Recently, metabolic heterogeneity has been highlighted as a potential determinant of collective cell behavior, as individual cells may play distinct roles in collective migration. Several tools and techniques have been developed and adapted to study cellular energetics during migration including live-cell probes to characterize energy utilization and metabolic state and methodologies to sort cells based on their metabolic profile. Here, we review the recent advances in techniques, parsing the metabolic heterogeneities inherent in cell populations and their contributions to cell migration.
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Affiliation(s)
- Jenna A Mosier
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA
| | - Yusheng Wu
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA
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20
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Yeo M, Chae S, Kim G. An in vitro model using spheroids-laden nanofibrous structures for attaining high degree of myoblast alignment and differentiation. Am J Cancer Res 2021; 11:3331-3347. [PMID: 33537090 PMCID: PMC7847672 DOI: 10.7150/thno.53928] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/16/2020] [Indexed: 12/22/2022] Open
Abstract
A spheroid is an aggregation of single cells with structural and functional characteristics similar to those of 3D native tissues, and it has been utilized as one of the typical in vitro three-dimensional (3D) cell models. Scaffold-free spheroids provide outstanding reflection of tissue complexity in a 3D in vivo-like environment, but they can neither fabricate realistic macroscale 3D complex structures without avoiding necrosis nor receive direct external stimuli (i.e., stimuli from mechanical or topographical cues). Here, we propose a spheroid-laden electrospinning process to obtain in vitro model achieved using the synergistic effect of the unique bioactive components provided by the spheroids and stimulating effects provided by the aligned nanofibers. Methods: To show the functional activity of the spheroid-laden structures, we used myoblast-spheroids to obtain skeletal muscle, comprising highly aligned myotubes, utilizing an uniaxially arranged topographical cue. The spheroid-electrospinning was used to align spheroids directly by embedding them in aligned alginate nanofibers, which were controlled with various materials and processing parameters. Results: The spheroids laden in the alginate nanofibers showed high cell viability (>90%) and was compared with that of a cell-laden alginate nanofiber that was electrospun with single cells. Consequently, the spheroids laden in the aligned nanofibers showed a significantly higher degree of myotube formation and maturation. Conclusion: Results suggested that the in vitro model using electrospun spheroids could potentially be employed to understand myogenic responses for various in vitro drug tests.
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21
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Nie Y, Xu X, Wang W, Ma N, Lendlein A. Spheroid formation of human keratinocyte: Balancing between cell-substrate and cell-cell interaction. Clin Hemorheol Microcirc 2020; 76:329-340. [PMID: 32925021 DOI: 10.3233/ch-209217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND The formation of spheroids is tightly regulated by intrinsic cell-cell and cell-substrate interactions. OBJECTIVE The chitosan (CS)-coating was applied to investigate the driven force directed the spheroid formation. METHODS The effects of CS on cell functions were studied. Atomic force microscopy was employed to measure the cell- biomaterial interplay at single cell level. RESULTS HaCaT cells shifted from their flattened sheet to a compact 3D spheroidal morphology when increasing CS-coating concentration. The proliferative capacity of HaCaT was preserved in the spheroid. The expression and activation of integrin β1 (ITGB1) were enhanced on CS modified surfaces, while the active to total ratio of ITGB1 was decreased. The adhesive force of a single HaCaT cell to the tissue culture plate (TCP) was 4.84±0.72 nN. It decreased on CS-coated surfaces as CS concentration increased, from 2.16±0.26 nN to 0.96±0.17 nN. The adhesive force between the single HaCaT cell to its neighbor cell increased as CS concentration increased, from 1.15±0.09 nN to 2.60±0.51 nN. CONCLUSIONS Conclusively, the decreased cell- substrate adhesion was the main driven force in the spheroid formation. This finding might serve as a design criterion for biomaterials facilitating the formation of epithelial spheroids.
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Affiliation(s)
- Yan Nie
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany.,Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Xun Xu
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Weiwei Wang
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Nan Ma
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany.,Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
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22
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Gryadunova AA, Koudan EV, Rodionov SA, Pereira FDAS, Meteleva NY, Kasyanov VA, Parfenov VA, Kovalev AV, Khesuani YD, Mironov VA, Bulanova EA. Cytoskeleton systems contribute differently to the functional intrinsic properties of chondrospheres. Acta Biomater 2020; 118:141-152. [PMID: 33045401 DOI: 10.1016/j.actbio.2020.10.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/04/2020] [Accepted: 10/06/2020] [Indexed: 12/12/2022]
Abstract
Cytoskeleton systems, actin microfilaments, microtubules (MTs) and intermediate filaments (IFs) provide the biomechanical stability and spatial organization in cells. To understand the specific contributions of each cytoskeleton systems to intrinsic properties of spheroids, we've scrutinized the effects of the cytoskeleton perturbants, cytochalasin D (Cyto D), nocodazole (Noc) and withaferin A (WFA) on fusion, spreading on adhesive surface, morphology and biomechanics of chondrospheres (CSs). We confirmed that treatment with Cyto D but not with Noc or WFA severely affected CSs fusion and spreading dynamics and significantly reduced biomechanical properties of cell aggregates. Noc treatment affected spheroids spreading but not the fusion and surprisingly enhanced their stiffness. Vimentin intermediate filaments (VIFs) reorganization affected CSs spreading only. The analysis of all three cytoskeleton systems contribution to spheroids intrinsic properties was performed for the first time.
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Affiliation(s)
- Anna A Gryadunova
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation; Institute for Regenerative Medicine, I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russian Federation.
| | - Elizaveta V Koudan
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation.
| | - Sergey A Rodionov
- N.N. Priorov National Medical Research Center of Traumatology and Orthopedics, Moscow 127299, Russian Federation
| | - F D A S Pereira
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation
| | - Nina Yu Meteleva
- I.D. Papanin Institute for Biology of Inland Waters RAS, Borok 152742, Russian Federation
| | - Vladimir A Kasyanov
- Riga Stradins University, Riga LV-1007, Latvia; Riga Technical University, Riga LV-1658, Latvia
| | - Vladislav A Parfenov
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation
| | - Alexey V Kovalev
- N.N. Priorov National Medical Research Center of Traumatology and Orthopedics, Moscow 127299, Russian Federation
| | - Yusef D Khesuani
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation
| | - Vladimir A Mironov
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation; Institute for Regenerative Medicine, I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russian Federation
| | - Elena A Bulanova
- Laboratory for Biotechnological Research 3D Bioprinting Solutions, Moscow 115409, Russian Federation.
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23
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Galy PE, Rudiuk S, Morel M, Baigl D. Self-Propelled Water Drops on Bare Glass Substrates in Air: Fast, Controllable, and Easy Transport Powered by Surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:6916-6923. [PMID: 32074453 DOI: 10.1021/acs.langmuir.9b03727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Self-propelled drops are capable of motion without external intervention. As such, they constitute attractive entities for fundamental investigations in active soft matter, hydrodynamics, and surface sciences, as well as promising systems for autonomous microfluidic operations. In contrast with most of the examples relying on organic drops or specifically treated substrates, here we describe the first system of nonreactive water drops in air that can propel themselves on a commercially available ordinary glass substrate that was used as received. This is achieved by exploiting the dynamic adsorption behavior of common n-alkyltrimethylammonium bromide (CnTAB) surfactants added to the drop. We precisely analyze the drop motion for a broad series of surfactants carrying n = 6 to 18 carbon atoms in their tail and establish how the motion characteristics (speed, probability of motion) are tuned by both the hydrophobicity and the concentration of the surfactant. We show that motion occurs regardless of the n value but only in a specific concentration range with a maximum speed at around one tenth of the critical micelle concentration (CMC/10) for most of the tested surfactants. Surfactants of intermediate hydrophobicity are shown to be the best candidates to power drops that can move at a high speed (1-10 cm s-1), the optimal performance being reached with [C12TAB] = 800 μM. We propose a mechanism where the motion originates from the anisotropic wettability of the substrate created by the electrostatic adsorption of surfactants beneath the moving drop. Simply drawing lines with a marker pen allows us to create guiding paths for drop motion and to achieve operations such as complex trajectory control, programmed drop fusion, drop refilling, as well as drop moving vertically against gravity. This work revisits the role of surfactants in dynamic wetting and self-propelled motion as well as brings an original strategy to build the future of microfluidics with lower-cost, simpler, and more autonomous portable devices that could be made available to everyone and everywhere.
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Affiliation(s)
- Pauline E Galy
- PASTEUR, Department of Chemistry, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Sergii Rudiuk
- PASTEUR, Department of Chemistry, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Mathieu Morel
- PASTEUR, Department of Chemistry, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Damien Baigl
- PASTEUR, Department of Chemistry, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
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24
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Mechanophenotyping of 3D multicellular clusters using displacement arrays of rendered tractions. Proc Natl Acad Sci U S A 2020; 117:5655-5663. [PMID: 32123100 DOI: 10.1073/pnas.1918296117] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Epithelial tissues mechanically deform the surrounding extracellular matrix during embryonic development, wound repair, and tumor invasion. Ex vivo measurements of such multicellular tractions within three-dimensional (3D) biomaterials could elucidate collective dissemination during disease progression and enable preclinical testing of targeted antimigration therapies. However, past 3D traction measurements have been low throughput due to the challenges of imaging and analyzing information-rich 3D material deformations. Here, we demonstrate a method to profile multicellular clusters in a 96-well-plate format based on spatially heterogeneous contractile, protrusive, and circumferential tractions. As a case study, we profile multicellular clusters across varying states of the epithelial-mesenchymal transition, revealing a successive loss of protrusive and circumferential tractions, as well as the formation of localized contractile tractions with elongated cluster morphologies. These cluster phenotypes were biochemically perturbed by using drugs, biasing toward traction signatures of different epithelial or mesenchymal states. This higher-throughput analysis is promising to systematically interrogate and perturb aberrant mechanobiology, which could be utilized with human-patient samples to guide personalized therapies.
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25
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Balcioglu HE, Balasubramaniam L, Stirbat TV, Doss BL, Fardin MA, Mège RM, Ladoux B. A subtle relationship between substrate stiffness and collective migration of cell clusters. SOFT MATTER 2020; 16:1825-1839. [PMID: 31970382 DOI: 10.1039/c9sm01893j] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The physical cues from the extracellular environment mediates cell signaling spatially and temporally. Cells respond to physical cues from their environment in a non-monotonic fashion. Despite our understanding of the role of substrate rigidity on single cell migration, how cells respond collectively to increasing extracellular matrix stiffness is not well established. Here we patterned multicellular epithelial Madin-Darby canine kidney (MDCK) islands on polyacrylamide gels of varying stiffness and studied their expansion. Our findings show that the MDCK islands expanded faster with increasing stiffness only up to an optimum stiffness, over which the expansion plateaued. We then focused on the expansion of the front of the assemblies and the formation of leader cells. We observed cell front destabilization only above substrate stiffness of a few kPa. The extension of multicellular finger-like structures at the edges of the colonies for intermediate and high stiffnesses from 6 to 60 kPa responded to higher substrate stiffness by increasing focal adhesion areas and actin cable assembly. Additionally, the number of leader cells at the finger-like protrusions increased with stiffness in correlation with an increase of the area of these multicellular protrusions. Consequently, the force profile along the epithelial fingers in the parallel and transverse directions of migration showed an unexpected relationship leading to a global force decrease with the increase of stiffness. Taken together, our findings show that epithelial cell colonies respond to substrate stiffness but in a non-trivial manner that may be of importance to understand morphogenesis and collective cell invasion during tumour progression.
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Affiliation(s)
- Hayri E Balcioglu
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
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26
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Tran QD, Gonzalez-Rodriguez D. Quantitative characterization of viscoelastic fracture induced by time-dependent intratumoral pressure in a 3D model tumor. BIOMICROFLUIDICS 2019; 13:054107. [PMID: 31592302 PMCID: PMC6773595 DOI: 10.1063/1.5116851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/16/2019] [Indexed: 05/14/2023]
Abstract
In the tumor environment, interstitial pressure drives interstitial flow drainage from the tumor core to the lymphatic vessels. Recent studies have highlighted the key role of interstitial pressure in tumor development and cell migration. High intratumoral pressures, up to 60 mm Hg , have been reported in cancer patients. In a previous study, we showed that such pressure levels induce fracture in an experimental tumor model consisting of a microfluidic system holding a cellular aggregate. Here, we investigate and quantify the characteristics of tumor model fracture under a range of flow conditions. Our findings suggest a strong dependence of viscoelastic fracture behavior on the loading rate exerted by flow. The aggregate exhibits fragile fracture at high loading rates and ductile fracture at lower rates. The loading rate also modifies the permeability of the cellular aggregate, as well as the persistence time of the load required to induce fracture. The quantification parameters we propose here, evaluated for an in vitro model tumor without the extracellular matrix, could be applied to characterize tumor fracture under more realistic interstitial flow conditions.
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Affiliation(s)
- Quang D Tran
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798
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