1
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Mostafazadeh N, Peng Z. Microstructure-based nuclear lamina constitutive model. Cytoskeleton (Hoboken) 2024; 81:297-309. [PMID: 38345187 DOI: 10.1002/cm.21835] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/15/2023] [Accepted: 01/24/2024] [Indexed: 08/20/2024]
Abstract
The nuclear lamina is widely recognized as the most crucial component in providing mechanical stability to the nucleus. However, it is still a significant challenge to model the mechanics of this multilayered protein network. We developed a constitutive model of the nuclear lamina network based on its microstructure, which accounts for the deformation phases at the dimer level, as well as the orientational arrangement and density of lamin filaments. Instead of relying on homology modeling in the previous studies, we conducted molecular simulations to predict the force-extension response of a highly accurate lamin dimer structure obtained through X-ray diffraction crystallography experimentation. Furthermore, we devised a semiflexible worm-like chain extension-force model of lamin dimer as a substitute, incorporating phases of initial stretching, uncoiling of the dimer coiled-coil, and transition of secondary structures. Subsequently, we developed a 2D network continuum model for the nuclear lamina by using our extension-force lamin dimer model and derived stress resultants. By comparing with experimentally measured lamina modulus, we found that the lamina network has sharp initial strain-hardening behavior. This also enabled us to carry out finite element simulations of the entire nucleus with an accurate microstructure-based nuclear lamina model. Finally, we conducted simulations of transendothelial transmigration of a nucleus and investigated the impact of varying network density and uncoiling constants on the critical force required for successful transmigration. The model allows us to incorporate the microstructure characteristics of the nuclear lamina into the nucleus model, thereby gaining insights into how laminopathies and mutations affect nuclear mechanics.
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Affiliation(s)
- Nima Mostafazadeh
- Department of Biomedical Engineering, University of Illinois Chicago, Chicago, Illinois, USA
| | - Zhangli Peng
- Department of Biomedical Engineering, University of Illinois Chicago, Chicago, Illinois, USA
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2
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Beunk L, Wen N, van Helvert S, Bekker B, Ran L, Kang R, Paulat T, Syga S, Deutsch A, Friedl P, Wolf K. Cell jamming in a collagen-based interface assay is tuned by collagen density and proteolysis. J Cell Sci 2023; 136:jcs260207. [PMID: 37987169 PMCID: PMC10753497 DOI: 10.1242/jcs.260207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 11/15/2023] [Indexed: 11/22/2023] Open
Abstract
Tumor cell invasion into heterogenous interstitial tissues consisting of network-, channel- or rift-like architectures involves both matrix metalloproteinase (MMP)-mediated tissue remodeling and cell shape adaptation to tissue geometry. Three-dimensional (3D) models composed of either porous or linearly aligned architectures have added to the understanding of how physical spacing principles affect migration efficacy; however, the relative contribution of each architecture to decision making in the presence of varying MMP availability is not known. Here, we developed an interface assay containing a cleft between two high-density collagen lattices, and we used this assay to probe tumor cell invasion efficacy, invasion mode and MMP dependence in concert. In silico modeling predicted facilitated cell migration into confining clefts independently of MMP activity, whereas migration into dense porous matrix was predicted to require matrix degradation. This prediction was verified experimentally, where inhibition of collagen degradation was found to strongly compromise migration into 3D collagen in a density-dependent manner, but interface-guided migration remained effective, occurring by cell jamming. The 3D interface assay reported here may serve as a suitable model to better understand the impact of in vivo-relevant interstitial tissue topologies on tumor invasion patterning and responses to molecular interventions.
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Affiliation(s)
- Lianne Beunk
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
| | - Nan Wen
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
| | - Sjoerd van Helvert
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
| | - Bram Bekker
- Department of Mathematics, Faculty of Natural Science, Mathematics and Informatics, Radboud University, 6500 GL Nijmegen, The Netherlands
| | - Lars Ran
- Department of Mathematics, Faculty of Natural Science, Mathematics and Informatics, Radboud University, 6500 GL Nijmegen, The Netherlands
| | - Ross Kang
- Department of Mathematics, Faculty of Natural Science, Mathematics and Informatics, Radboud University, 6500 GL Nijmegen, The Netherlands
| | - Tom Paulat
- Department of Innovative Computing, Centre for Information Services and High Performance Computing, Technical University Dresden, 01062 Dresden, Germany
| | - Simon Syga
- Department of Innovative Computing, Centre for Information Services and High Performance Computing, Technical University Dresden, 01062 Dresden, Germany
| | - Andreas Deutsch
- Department of Innovative Computing, Centre for Information Services and High Performance Computing, Technical University Dresden, 01062 Dresden, Germany
| | - Peter Friedl
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
- David H. Koch Center for Applied Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Katarina Wolf
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
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3
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Tang W, Chen X, Wang X, Zhu M, Shan G, Wang T, Dou W, Wang J, Law J, Gong Z, Hopyan S, Huang X, Sun Y. Indentation induces instantaneous nuclear stiffening and unfolding of nuclear envelope wrinkles. Proc Natl Acad Sci U S A 2023; 120:e2307356120. [PMID: 37639585 PMCID: PMC10483616 DOI: 10.1073/pnas.2307356120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/21/2023] [Indexed: 08/31/2023] Open
Abstract
The nuclear envelope (NE) separates genomic DNA from the cytoplasm and regulates transport between the cytosol and the nucleus in eukaryotes. Nuclear stiffening enables the cell nucleus to protect itself from extensive deformation, loss of NE integrity, and genome instability. It is known that the reorganization of actin, lamin, and chromatin can contribute to nuclear stiffening. In this work, we show that structural alteration of NE also contributes to instantaneous nuclear stiffening under indentation. In situ mechanical characterization of cell nuclei in intact cells shows that nuclear stiffening and unfolding of NE wrinkles occur simultaneously at the indentation site. A positive correlation between the initial state of NE wrinkles, the unfolding of NE wrinkles, and the stiffening ratio (stiffness fold-change) is found. Additionally, NE wrinkles unfold throughout the nucleus outside the indentation site. Finite element simulation, which involves the purely passive process of structural unfolding, shows that unfolding of NE wrinkles alone can lead to an increase in nuclear stiffness and a reduction in stress and strain levels. Together, these results provide a perspective on how cell nucleus adapts to mechanical stimuli through structural alteration of the NE.
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Affiliation(s)
- Wentian Tang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Xin Chen
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
| | - Xian Wang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
| | - Min Zhu
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
| | - Guanqiao Shan
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Tiancong Wang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Wenkun Dou
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Jintian Wang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Junhui Law
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Zheyuan Gong
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
| | - Sevan Hopyan
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ONM5S 1A8, Canada
- Division of Orthopaedic Surgery, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
| | - Xi Huang
- Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ONM5G 1X8, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ONM5S 1A8, Canada
| | - Yu Sun
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ONM5S 3G8, Canada
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ONM5S 3G4, Canada
- Department of Computer Science, University of Toronto, Toronto, ONM5S 3G4, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ONM5S 3G9, Canada
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4
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Xing F, Dong H, Yang J, Fan C, Hou M, Zhang P, Hu F, Zhou J, Chen L, Pan L, Xu J. Mesenchymal Migration on Adhesive-Nonadhesive Alternate Surfaces in Macrophages. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301337. [PMID: 37211690 PMCID: PMC10427406 DOI: 10.1002/advs.202301337] [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: 02/28/2023] [Revised: 04/14/2023] [Indexed: 05/23/2023]
Abstract
Mesenchymal migration usually happens on adhesive substrates, while cells adopt amoeboid migration on low/nonadhesive surfaces. Protein-repelling reagents, e.g., poly(ethylene) glycol (PEG), are routinely employed to resist cell adhering and migrating. Contrary to these perceptions, this work discovers a unique locomotion of macrophages on adhesive-nonadhesive alternate substrates in vitro that they can overcome nonadhesive PEG gaps to reach adhesive regions in the mesenchymal mode. Adhering to extracellular matrix regions is a prerequisite for macrophages to perform further locomotion on the PEG regions. Podosomes are found highly enriched on the PEG region in macrophages and support their migration across the nonadhesive regions. Increasing podosome density through myosin IIA inhibition facilitates cell motility on adhesive-nonadhesive alternate substrates. Moreover, a developed cellular Potts model reproduces this mesenchymal migration. These findings together uncover a new migratory behavior on adhesive-nonadhesive alternate substrates in macrophages.
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Affiliation(s)
- Fulin Xing
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Hao Dong
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Jianyu Yang
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Chunhui Fan
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Mengdi Hou
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Ping Zhang
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Fen Hu
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
| | - Jun Zhou
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Liangyi Chen
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, National Biomedical Imaging Center, Center for Life Sciences, School of Future Technology, Peking University, Beijing, 100871, China
| | - Leiting Pan
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, Tianjin, 300071, China
- Shenzhen Research Institute of Nankai University, Shenzhen, Guangdong, 518083, China
| | - Jingjun Xu
- The Key Laboratory of Weak-Light Nonlinear Photonics of Education Ministry, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071, China
- Shenzhen Research Institute of Nankai University, Shenzhen, Guangdong, 518083, China
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5
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Wang YJ, Liang H, Liu Y, Bao Q, Yang S, Xu XX, Chen YC, Liu W, Shi X, Shi Y, Liu X, Liu B, Gao H, Jiu Y, Liu YJ. Lamin A/C and Vimentin as a Coordinated Regulator during Amoeboid Migration in Microscale Confined Microenvironments. NANO LETTERS 2023; 23:6727-6735. [PMID: 37459599 DOI: 10.1021/acs.nanolett.3c02096] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Cell migration occurs in confined microenvironments, which plays a vital role in the process of tumor metastasis. However, it is challenging to study their behaviors in vivo. Here we developed a cell squeeze system that can be scaled down to micrometers to mimic native physical confined microenvironments, wherein degrees of surface adhesion and mechanical constraints could be manipulated in order to investigate cell-migrating behaviors. Based on the microscale cell squeeze system, we found the synergistic role of lamin A/C and vimentin in cell transition and migration under strong confinement. The dynamic variations in lamin A/C and vimentin expression establish a positive feedback loop in response to confinement, effectively promoting amoeboid migration by modulating nuclear deformability while ensuring cell viability. This work shed light on modulating cell response to microenvironments by altering the expression of lamin A/C and/or vimentin, which may be a more efficient way of inhibiting cancer metastasis.
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Affiliation(s)
- Ya-Jun Wang
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Hong Liang
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Yixin Liu
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Qiyuan Bao
- Department of Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory for Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Shanghai 200025, China
| | - Shuang Yang
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Xin-Xin Xu
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Yu-Chen Chen
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Wei Liu
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Xuemeng Shi
- The Center for Microbes, Development and Health, Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yuheng Shi
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Xiaohui Liu
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Baohong Liu
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Hai Gao
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
| | - Yaming Jiu
- The Center for Microbes, Development and Health, Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yan-Jun Liu
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Shanghai Key Laboratory of Medical Epigenetics, Shanghai Stomatological Hospital, Institutes of Biomedical Sciences, Department of Chemistry, Fudan University, Shanghai 200032, China
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6
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Higgins G, Higgins F, Peres J, Lang DM, Abdalrahman T, Zaman MH, Prince S, Franz T. Intracellular mechanics and TBX3 expression jointly dictate the spreading mode of melanoma cells in 3D environments. Exp Cell Res 2023; 428:113633. [PMID: 37172754 DOI: 10.1016/j.yexcr.2023.113633] [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: 03/21/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/15/2023]
Abstract
Cell stiffness and T-box transcription factor 3 (TBX3) expression have been identified as biomarkers of melanoma metastasis in 2D environments. This study aimed to determine how mechanical and biochemical properties of melanoma cells change during cluster formation in 3D environments. Vertical growth phase (VGP) and metastatic (MET) melanoma cells were embedded in 3D collagen matrices of 2 and 4 mg/ml collagen concentrations, representing low and high matrix stiffness. Mitochondrial fluctuation, intracellular stiffness, and TBX3 expression were quantified before and during cluster formation. In isolated cells, mitochondrial fluctuation decreased and intracellular stiffness increased with increase in disease stage from VGP to MET and increased matrix stiffness. TBX3 was highly expressed in soft matrices but diminished in stiff matrices for VGP and MET cells. Cluster formation of VGP cells was excessive in soft matrices but limited in stiff matrices, whereas for MET cells it was limited in soft and stiff matrices. In soft matrices, VGP cells did not change the intracellular properties, whereas MET cells exhibited increased mitochondrial fluctuation and decreased TBX3 expression. In stiff matrices, mitochondrial fluctuation and TBX3 expression increased in VGP and MET, and intracellular stiffness increased in VGP but decreased in MET cells. The findings suggest that soft extracellular environments are more favourable for tumour growth, and high TBX3 levels mediate collective cell migration and tumour growth in the earlier VGP disease stage but play a lesser role in the later metastatic stage of melanoma.
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Affiliation(s)
- Ghodeejah Higgins
- Biomedical Engineering Research Centre, Division of Biomedical Engineering, Department of Human Biology, University of Cape Town, Observatory, South Africa
| | - Faatiemah Higgins
- Division of Cell Biology, Department of Human Biology, University of Cape Town, Observatory, South Africa
| | - Jade Peres
- Division of Cell Biology, Department of Human Biology, University of Cape Town, Observatory, South Africa
| | - Dirk M Lang
- Division of Cell Biology, Department of Human Biology, University of Cape Town, Observatory, South Africa
| | - Tamer Abdalrahman
- Biomedical Engineering Research Centre, Division of Biomedical Engineering, Department of Human Biology, University of Cape Town, Observatory, South Africa
| | - Muhammad H Zaman
- Department of Biomedical Engineering, Boston University, Boston, MA, USA; Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | - Sharon Prince
- Division of Cell Biology, Department of Human Biology, University of Cape Town, Observatory, South Africa
| | - Thomas Franz
- Biomedical Engineering Research Centre, Division of Biomedical Engineering, Department of Human Biology, University of Cape Town, Observatory, South Africa; Bioengineering Science Research Group, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK.
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7
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Merino-Casallo F, Gomez-Benito MJ, Martinez-Cantin R, Garcia-Aznar JM. A mechanistic protrusive-based model for 3D cell migration. Eur J Cell Biol 2022; 101:151255. [PMID: 35843121 DOI: 10.1016/j.ejcb.2022.151255] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 06/15/2022] [Accepted: 07/01/2022] [Indexed: 11/17/2022] Open
Abstract
Cell migration is essential for a variety of biological processes, such as embryogenesis, wound healing, and the immune response. After more than a century of research-mainly on flat surfaces-, there are still many unknowns about cell motility. In particular, regarding how cells migrate within 3D matrices, which more accurately replicate in vivo conditions. We present a novel in silico model of 3D mesenchymal cell migration regulated by the chemical and mechanical profile of the surrounding environment. This in silico model considers cell's adhesive and nuclear phenotypes, the effects of the steric hindrance of the matrix, and cells ability to degradate the ECM. These factors are crucial when investigating the increasing difficulty that migrating cells find to squeeze their nuclei through dense matrices, which may act as physical barriers. Our results agree with previous in vitro observations where fibroblasts cultured in collagen-based hydrogels did not durotax toward regions with higher collagen concentrations. Instead, they exhibited an adurotactic behavior, following a more random trajectory. Overall, cell's migratory response in 3D domains depends on its phenotype, and the properties of the surrounding environment, that is, 3D cell motion is strongly dependent on the context.
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Affiliation(s)
- Francisco Merino-Casallo
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza 50018, Spain; Department of Mechanical Engineering, Universidad de Zaragoza, Zaragoza 50009, Spain
| | - Maria Jose Gomez-Benito
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza 50018, Spain; Department of Mechanical Engineering, Universidad de Zaragoza, Zaragoza 50009, Spain
| | - Ruben Martinez-Cantin
- Robotics, Perception and Real Time Group (RoPeRT), Aragon Institute of Engineering Research (I3A), Zaragoza 50018, Spain; Department of Computer Science and System Engineering, Universidad de Zaragoza, Zaragoza 50009, Spain
| | - Jose Manuel Garcia-Aznar
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza 50018, Spain; Department of Mechanical Engineering, Universidad de Zaragoza, Zaragoza 50009, Spain.
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8
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Amini R, Bhatnagar A, Schlüßler R, Möllmert S, Guck J, Norden C. Amoeboid-like migration ensures correct horizontal cell layer formation in the developing vertebrate retina. eLife 2022; 11:e76408. [PMID: 35639083 PMCID: PMC9208757 DOI: 10.7554/elife.76408] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/30/2022] [Indexed: 11/16/2022] Open
Abstract
Migration of cells in the developing brain is integral for the establishment of neural circuits and function of the central nervous system. While migration modes during which neurons employ predetermined directional guidance of either preexisting neuronal processes or underlying cells have been well explored, less is known about how cells featuring multipolar morphology migrate in the dense environment of the developing brain. To address this, we here investigated multipolar migration of horizontal cells in the zebrafish retina. We found that these cells feature several hallmarks of amoeboid-like migration that enable them to tailor their movements to the spatial constraints of the crowded retina. These hallmarks include cell and nuclear shape changes, as well as persistent rearward polarization of stable F-actin. Interference with the organization of the developing retina by changing nuclear properties or overall tissue architecture hampers efficient horizontal cell migration and layer formation showing that cell-tissue interplay is crucial for this process. In view of the high proportion of multipolar migration phenomena observed in brain development, the here uncovered amoeboid-like migration mode might be conserved in other areas of the developing nervous system.
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Affiliation(s)
- Rana Amini
- Max Planck Institute of Molecular Cell Biology and GeneticsDresdenGermany
| | - Archit Bhatnagar
- Max Planck Institute of Molecular Cell Biology and GeneticsDresdenGermany
| | - Raimund Schlüßler
- Biotechnology Center, Center for Molecular and Cellular Bioengineering, Technische Universität DresdenDresdenGermany
| | - Stephanie Möllmert
- Biotechnology Center, Center for Molecular and Cellular Bioengineering, Technische Universität DresdenDresdenGermany
- Max Planck Institute for the Science of Light and Max-Planck-Zentrum für Physik und MedizinErlangenGermany
| | - Jochen Guck
- Biotechnology Center, Center for Molecular and Cellular Bioengineering, Technische Universität DresdenDresdenGermany
- Max Planck Institute for the Science of Light and Max-Planck-Zentrum für Physik und MedizinErlangenGermany
- Physics of Life, Technische Universität DresdenDresdenGermany
| | - Caren Norden
- Max Planck Institute of Molecular Cell Biology and GeneticsDresdenGermany
- Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6OeirasPortugal
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9
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Beunk L, Bakker GJ, van Ens D, Bugter J, Gal F, Svoren M, Friedl P, Wolf K. Actomyosin contractility requirements and reciprocal cell-tissue mechanics for cancer cell invasion through collagen-based channels. THE EUROPEAN PHYSICAL JOURNAL. E, SOFT MATTER 2022; 45:48. [PMID: 35575822 PMCID: PMC9110550 DOI: 10.1140/epje/s10189-022-00182-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/04/2022] [Indexed: 05/09/2023]
Abstract
The interstitial tumor microenvironment is composed of heterogeneously organized collagen-rich porous networks as well as channel-like structures and interfaces which provide both barriers and guidance for invading cells. Tumor cells invading 3D random porous collagen networks depend upon actomyosin contractility to deform and translocate the nucleus, whereas Rho/Rho-associated kinase-dependent contractility is largely dispensable for migration in stiff capillary-like confining microtracks. To investigate whether this dichotomy of actomyosin contractility dependence also applies to physiological, deformable linear collagen environments, we developed nearly barrier-free collagen-scaffold microtracks of varying cross section using two-photon laser ablation. Both very narrow and wide tracks supported single-cell migration by either outward pushing of collagen up to four times when tracks were narrow, or cell pulling on collagen walls down to 50% of the original diameter by traction forces of up to 40 nN when tracks were wide, resulting in track widths optimized to single-cell diameter. Targeting actomyosin contractility by synthetic inhibitors increased cell elongation and nuclear shape change in narrow tracks and abolished cell-mediated deformation of both wide and narrow tracks. Accordingly, migration speeds in all channel widths reduced, with migration rates of around 45-65% of the original speed persisting. Together, the data suggest that cells engage actomyosin contraction to reciprocally adjust both own morphology and linear track width to optimal size for effective cellular locomotion.
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Affiliation(s)
- Lianne Beunk
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
| | - Gert-Jan Bakker
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
| | - Diede van Ens
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
| | - Jeroen Bugter
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
| | - Floris Gal
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
| | - Martin Svoren
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
| | - Peter Friedl
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands
- David H. Koch Center for Applied Research of Genitourinary Cancers, Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Cancer Genomics Center, Utrecht, The Netherlands
| | - Katarina Wolf
- Department of Cell Biology, Radboud University Medical Center, 6525 GA, Nijmegen, The Netherlands.
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10
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M A M, Kim JY, Pan CH, Kim E. The impact of the spatial heterogeneity of resistant cells and fibroblasts on treatment response. PLoS Comput Biol 2022; 18:e1009919. [PMID: 35263336 PMCID: PMC8906648 DOI: 10.1371/journal.pcbi.1009919] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 02/11/2022] [Indexed: 01/03/2023] Open
Abstract
A long-standing practice in the treatment of cancer is that of hitting hard with the maximum tolerated dose to eradicate tumors. This continuous therapy, however, selects for resistant cells, leading to the failure of the treatment. A different type of treatment strategy, adaptive therapy, has recently been shown to have a degree of success in both preclinical xenograft experiments and clinical trials. Adaptive therapy is used to maintain a tumor's volume by exploiting the competition between drug-sensitive and drug-resistant cells with minimum effective drug doses or timed drug holidays. To further understand the role of competition in the outcomes of adaptive therapy, we developed a 2D on-lattice agent-based model. Our simulations show that the superiority of the adaptive strategy over continuous therapy depends on the local competition shaped by the spatial distribution of resistant cells. Intratumor competition can also be affected by fibroblasts, which produce microenvironmental factors that promote cancer cell growth. To this end, we simulated the impact of different fibroblast distributions on treatment outcomes. As a proof of principle, we focused on five types of distribution of fibroblasts characterized by different locations, shapes, and orientations of the fibroblast region with respect to the resistant cells. Our simulation shows that the spatial architecture of fibroblasts modulates tumor progression in both continuous and adaptive therapy. Finally, as a proof of concept, we simulated the outcomes of adaptive therapy of a virtual patient with four metastatic sites composed of different spatial distributions of fibroblasts and drug-resistant cell populations. Our simulation highlights the importance of undetected metastatic lesions on adaptive therapy outcomes.
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Affiliation(s)
- Masud M A
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung, Republic of Korea
| | - Jae-Young Kim
- Graduate School of Science and Technology, Chungnam National University, Daejeon, Republic of Korea
| | - Cheol-Ho Pan
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung, Republic of Korea
| | - Eunjung Kim
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung, Republic of Korea
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11
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Mierke CT. Viscoelasticity, Like Forces, Plays a Role in Mechanotransduction. Front Cell Dev Biol 2022; 10:789841. [PMID: 35223831 PMCID: PMC8864183 DOI: 10.3389/fcell.2022.789841] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 01/11/2022] [Indexed: 12/13/2022] Open
Abstract
Viscoelasticity and its alteration in time and space has turned out to act as a key element in fundamental biological processes in living systems, such as morphogenesis and motility. Based on experimental and theoretical findings it can be proposed that viscoelasticity of cells, spheroids and tissues seems to be a collective characteristic that demands macromolecular, intracellular component and intercellular interactions. A major challenge is to couple the alterations in the macroscopic structural or material characteristics of cells, spheroids and tissues, such as cell and tissue phase transitions, to the microscopic interferences of their elements. Therefore, the biophysical technologies need to be improved, advanced and connected to classical biological assays. In this review, the viscoelastic nature of cytoskeletal, extracellular and cellular networks is presented and discussed. Viscoelasticity is conceptualized as a major contributor to cell migration and invasion and it is discussed whether it can serve as a biomarker for the cells' migratory capacity in several biological contexts. It can be hypothesized that the statistical mechanics of intra- and extracellular networks may be applied in the future as a powerful tool to explore quantitatively the biomechanical foundation of viscoelasticity over a broad range of time and length scales. Finally, the importance of the cellular viscoelasticity is illustrated in identifying and characterizing multiple disorders, such as cancer, tissue injuries, acute or chronic inflammations or fibrotic diseases.
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Affiliation(s)
- Claudia Tanja Mierke
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Biological Physics Division, University of Leipzig, Leipzig, Germany
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12
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The mechanics and dynamics of cancer cells sensing noisy 3D contact guidance. Proc Natl Acad Sci U S A 2021; 118:2024780118. [PMID: 33658384 DOI: 10.1073/pnas.2024780118] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Contact guidance is a major physical cue that modulates cancer cell morphology and motility, and is directly linked to the prognosis of cancer patients. Under physiological conditions, particularly in the three-dimensional (3D) extracellular matrix (ECM), the disordered assembly of fibers presents a complex directional bias to the cells. It is unclear how cancer cells respond to these noncoherent contact guidance cues. Here we combine quantitative experiments, theoretical analysis, and computational modeling to study the morphological and migrational responses of breast cancer cells to 3D collagen ECM with varying degrees of fiber alignment. We quantify the strength of contact guidance using directional coherence of ECM fibers, and find that stronger contact guidance causes cells to polarize more strongly along the principal direction of the fibers. Interestingly, sensitivity to contact guidance is positively correlated with cell aspect ratio, with elongated cells responding more strongly to ECM alignment than rounded cells. Both experiments and simulations show that cell-ECM adhesions and actomyosin contractility modulate cell responses to contact guidance by inducing a population shift between rounded and elongated cells. We also find that cells rapidly change their morphology when navigating the ECM, and that ECM fiber coherence modulates cell transition rates between different morphological phenotypes. Taken together, we find that subcellular processes that integrate conflicting mechanical cues determine cell morphology, which predicts the polarization and migration dynamics of cancer cells in 3D ECM.
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13
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Fuentes-Chandía M, Vierling A, Kappelmann-Fenzl M, Monavari M, Letort G, Höne L, Parma B, Antara SK, Ertekin Ö, Palmisano R, Dong M, Böpple K, Boccaccini AR, Ceppi P, Bosserhoff AK, Leal-Egaña A. 3D Spheroids Versus 3D Tumor-Like Microcapsules: Confinement and Mechanical Stress May Lead to the Expression of Malignant Responses in Cancer Cells. Adv Biol (Weinh) 2021; 5:e2000349. [PMID: 33960743 DOI: 10.1002/adbi.202000349] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 04/03/2021] [Indexed: 11/08/2022]
Abstract
As 2D surfaces fail to resemble the tumoral milieu, current discussions are focused on which 3D cell culture strategy may better lead the cells to express in vitro most of the malignant hints described in vivo. In this study, this question is assessed by analyzing the full genetic profile of MCF7 cells cultured either as 3D spheroids-considered as "gold standard" for in vitro cancer research- or immobilized in 3D tumor-like microcapsules, by RNA-Seq and transcriptomic methods, allowing to discriminate at big-data scale, which in vitro strategy can better resemble most of the malignant features described in neoplastic diseases. The results clearly show that mechanical stress, rather than 3D morphology only, stimulates most of the biological processes involved in cancer pathogenicity, such as cytoskeletal organization, migration, and stemness. Furthermore, cells entrapped in hydrogel-based scaffolds are likely expressing other physiological hints described in malignancy, such as the upregulated expression of metalloproteinases or the resistance to anticancer drugs, among others. According to the knowledge, this study represents the first attempt to answer which 3D experimental system can better mimic the neoplastic architecture in vitro, emphasizing the relevance of confinement in cancer pathogenicity, which can be easily achieved by using hydrogel-based matrices.
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Affiliation(s)
- Miguel Fuentes-Chandía
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Andreas Vierling
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Melanie Kappelmann-Fenzl
- Institute of Biochemistry, Emil-Fischer-Zentrum, Friedrich-Alexander Universität Erlangen-Nürnberg, Fahrstraße 17, 91054, Erlangen, Germany.,Faculty of Applied Informatics, University of Applied Science Deggendorf, 94469, Deggendorf, Germany
| | - Mahshid Monavari
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Gaelle Letort
- Center for Interdisciplinary Research in Biology, Collège de France UMR7241/U1050. 11, place Marcelin Berthelot, Paris Cedex 05, 75231, France
| | - Lucas Höne
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Beatrice Parma
- Interdisciplinary Center for Clinical Research (IZKF), Friedrich-Alexander University of Erlangen-Nuremberg, Glueckstraße 6, 91054, Erlangen, Germany
| | - Sharmin Khan Antara
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Özlem Ertekin
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Ralph Palmisano
- Optical Imaging Centre Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 3, 91058, Erlangen, Germany
| | - Meng Dong
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology and University of Tübingen, Auerbachstraße 112, 70376, Stuttgart, Germany
| | - Kathrin Böpple
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology and University of Tübingen, Auerbachstraße 112, 70376, Stuttgart, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Paolo Ceppi
- Interdisciplinary Center for Clinical Research (IZKF), Friedrich-Alexander University of Erlangen-Nuremberg, Glueckstraße 6, 91054, Erlangen, Germany.,Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, Odense M, DK-5230, Denmark
| | - Anja K Bosserhoff
- Institute of Biochemistry, Emil-Fischer-Zentrum, Friedrich-Alexander Universität Erlangen-Nürnberg, Fahrstraße 17, 91054, Erlangen, Germany
| | - Aldo Leal-Egaña
- Institute of Biomaterials, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstraße 6, 91058, Erlangen, Germany.,Institute for Molecular Systems Engineering, Heidelberg University, In Neuenheimer Feld 253, 69120, Heidelberg, Germany
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14
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Abstract
Ecological fitness is the ability of individuals in a population to survive and reproduce. Individuals with increased fitness are better equipped to withstand the selective pressures of their environments. This paradigm pertains to all organismal life as we know it; however, it is also becoming increasingly clear that within multicellular organisms exist highly complex, competitive, and cooperative populations of cells under many of the same ecological and evolutionary constraints as populations of individuals in nature. In this review I discuss the parallels between populations of cancer cells and populations of individuals in the wild, highlighting how individuals in either context are constrained by their environments to converge on a small number of critical phenotypes to ensure survival and future reproductive success. I argue that the hallmarks of cancer can be distilled into key phenotypes necessary for cancer cell fitness: survival and reproduction. I posit that for therapeutic strategies to be maximally beneficial, they should seek to subvert these ecologically driven phenotypic responses.
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15
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Hisey CL, Hearn JI, Hansford DJ, Blenkiron C, Chamley LW. Micropatterned growth surface topography affects extracellular vesicle production. Colloids Surf B Biointerfaces 2021; 203:111772. [PMID: 33894649 DOI: 10.1016/j.colsurfb.2021.111772] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles (EVs) are micro and nanoscale packages that circulate in all bodily fluids and play an important role in intercellular communication by shuttling biomolecules to nearby and distant cells. However, producing sufficient amounts of EVs for many types of in vitro studies using standard culture methods can be challenging, and despite the success of some bioreactors in increasing EV-production, it is still largely unknown how individual culture conditions can alter the production and content of EVs. In this study, we demonstrate a simple and inexpensive micropatterning technique that can be used to produce polystyrene microtracks over a 100 mm diameter growth surface area. We then demonstrate that these microtracks can play a significant role in increasing EV production using a triple-negative breast cancer cell line (MDA-MB-231) and that these changes in EV production correlate with increases in cellular aspect ratio, alignment of the cells' long axes to the microtracks, and single-cell migration rates. These findings have implications in both biomanufacturing of EVs and potentially in enhancing the biomimicry of EVs produced in vitro.
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Affiliation(s)
- Colin L Hisey
- Obstetrics and Gynaecology, University of Auckland, FMHS Building 502-201, 85 Park Rd, Grafton, Auckland, 1023, New Zealand; Hub for Extracellular Vesicle Investigations, University of Auckland, FMHS Building 502-201, 85 Park Rd, Grafton, Auckland, 1023, New Zealand.
| | - James I Hearn
- Molecular Medicine and Pathology, University of Auckland, FMHS Building 502-301, 85 Park Rd, Grafton, Auckland, 1023, New Zealand.
| | - Derek J Hansford
- Biomedical Engineering, The Ohio State University, 293 Bevis Hall, 1080 Carmack Road, Columbus, OH, 43210, USA.
| | - Cherie Blenkiron
- Hub for Extracellular Vesicle Investigations, University of Auckland, FMHS Building 502-201, 85 Park Rd, Grafton, Auckland, 1023, New Zealand; Molecular Medicine and Pathology, University of Auckland, FMHS Building 502-301, 85 Park Rd, Grafton, Auckland, 1023, New Zealand; Auckland Cancer Society Research Centre, University of Auckland, FMHS, 85 Park Road, Grafton, Auckland, 1023, New Zealand.
| | - Lawrence W Chamley
- Obstetrics and Gynaecology, University of Auckland, FMHS Building 502-201, 85 Park Rd, Grafton, Auckland, 1023, New Zealand; Hub for Extracellular Vesicle Investigations, University of Auckland, FMHS Building 502-201, 85 Park Rd, Grafton, Auckland, 1023, New Zealand.
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16
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Abstract
The physical microenvironment of cells plays a fundamental role in regulating cellular behavior and cell fate, especially in the context of cancer metastasis. For example, capillary deformation can destroy arrested circulating tumor cells while the dense extracellular matrix can form a physical barrier for invading cancer cells. Understanding how metastatic cancer cells overcome the challenges brought forth by physical confinement can help in developing better therapeutics that can put a stop to this migratory stage of the metastatic cascade. Numerous in vivo and in vitro assays have been developed to recapitulate the metastatic processes and study cancer cell migration in a confining microenvironment. In this review, we summarize some of the representative techniques and the exciting new findings. We critically review the advantages, as well as challenges associated with these tools and methodologies, and provide a guide on the applications that they are most suited for. We hope future efforts that push forward our current understanding on metastasis under confinement can lead to novel and more effective diagnostic and therapeutic strategies against this dreaded disease.
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Affiliation(s)
- Kuan Jiang
- Mechanobiology Institute, National University of Singapore, Singapore
| | - Lanfeng Liang
- Mechanobiology Institute, National University of Singapore, Singapore
| | - Chwee Teck Lim
- Mechanobiology Institute, National University of Singapore, Singapore
- Department of Biomedical Engineering, National University of Singapore, Singapore
- Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore
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17
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Hayn A, Fischer T, Mierke CT. Inhomogeneities in 3D Collagen Matrices Impact Matrix Mechanics and Cancer Cell Migration. Front Cell Dev Biol 2020; 8:593879. [PMID: 33251219 PMCID: PMC7674772 DOI: 10.3389/fcell.2020.593879] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/08/2020] [Indexed: 12/20/2022] Open
Abstract
Cell motility under physiological and pathological conditions including malignant progression of cancer and subsequent metastasis are founded on environmental confinements. During the last two decades, three-dimensional cell migration has been studied mostly by utilizing biomimetic extracellular matrix models. In the majority of these studies, the in vitro collagen scaffolds are usually assumed to be homogenous, as they consist commonly of one specific type of collagen, such as collagen type I, isolated from one species. These collagen matrices should resemble in vivo extracellular matrix scaffolds physiologically, however, mechanical phenotype and functional reliability have been addressed poorly due to certain limitations based on the assumption of homogeneity. How local variations of extracellular matrix structure impact matrix mechanics and cell migration is largely unknown. Here, we hypothesize that local inhomogeneities alter cell movement due to alterations in matrix mechanics, as they frequently occur in in vivo tissue scaffolds and were even changed in diseased tissues. To analyze the effect of structural inhomogeneities on cell migration, we used a mixture of rat tail and bovine dermal collagen type I as well as pure rat and pure bovine collagens at four different concentrations to assess three-dimensional scaffold inhomogeneities. Collagen type I from rat self-assembled to elongated fibrils, whereas bovine collagen tended to build node-shaped inhomogeneous scaffolds. We have shown that the elastic modulus determined with atomic force microscopy in combination with pore size analysis using confocal laser scanning microscopy revealed distinct inhomogeneities within collagen matrices. We hypothesized that elastic modulus and pore size govern cancer cell invasion in three-dimensional collagen matrices. In fact, invasiveness of three breast cancer cell types is altered due to matrix-type and concentration indicating that these two factors are crucial for cellular invasiveness. Our findings revealed that local matrix scaffold inhomogeneity is another crucial parameter to explain differences in cell migration, which not solely depended on pore size and stiffness of the collagen matrices. With these three distinct biophysical parameters, characterizing structure and mechanics of the studied collagen matrices, we were able to explain differences in the invasion behavior of the studied cancer cell lines in dependence of the used collagen model.
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Affiliation(s)
- Alexander Hayn
- Biological Physics Division, Faculty of Physics and Earth Sciences, Peter Debye Institute for Soft Matter Physics, University of Leipzig, Leipzig, Germany
| | - Tony Fischer
- Biological Physics Division, Faculty of Physics and Earth Sciences, Peter Debye Institute for Soft Matter Physics, University of Leipzig, Leipzig, Germany
| | - Claudia Tanja Mierke
- Biological Physics Division, Faculty of Physics and Earth Sciences, Peter Debye Institute for Soft Matter Physics, University of Leipzig, Leipzig, Germany
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18
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Construction of an miRNA-mRNA regulatory network in colorectal cancer with bioinformatics methods. Anticancer Drugs 2020; 30:588-595. [PMID: 30601194 DOI: 10.1097/cad.0000000000000745] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Colorectal cancer (CRC) is the third most common cancer worldwide. This study aimed to explore the regulatory mechanisms of miRNAs in CRC. Differentially expressed miRNAs (DEMs) and differentially expressed genes (DEGs) in CRC tissue samples compared with control samples in mRNA and miRNA datasets were screened. Functional and pathway enrichment analysis of the DEGs was carried out. Targets of the DEMs were identified. Overlaps between the DEGs and targets of DEMs were selected. The miRNA-mRNA regulatory network of these overlaps was constructed and visualized. The candidate genes selected were validated by quantitative real-time PCR. DEGs were identified and considered DEGs-1 and DEGs-2. A total of 584 genes in DEGs-1 and 527 genes in DEGs-2 were obtained, including 465 overlaps, and 44 DEMs were identified. The overlaps were enriched in 46 Gene Ontology terms and 19 Kyoto Encyclopedia of Genes and Genomes pathways. Moreover, 137 overlapped genes between targets of the DEMs and the 465 overlaps were obtained. The miRNA-mRNA regulating network of the 137 overlapped genes was constructed. Extracellular matrix-related proteins and pathways might play critical roles in the development of CRC. The quantitative real-time PCR results of the candidates were in agreement with the bioinformatics analysis. miR-128, miR-182, and miR-143 might be key miRNAs regulating cell proliferation and metastasis of CRC.
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19
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Calabrese L, Bizzoca ME, Grigolato R, Maffini FA, Tagliabue M, Negro R, Leuci S, Mignogna MD, Lo Muzio L. From Bench to Bedside in Tongue Muscle Cancer Invasion and Back again: Gross Anatomy, Microanatomy, Surgical Treatments and Basic Research. Life (Basel) 2020; 10:life10090197. [PMID: 32932638 PMCID: PMC7554763 DOI: 10.3390/life10090197] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/16/2022] Open
Abstract
Tongue squamous cell carcinoma is the most common malignancy in the oral cavity. Despite advances in diagnosis and treatment, the prognosis of advanced states has not significantly improved. Depth of invasion, pattern of invasion such as tumor budding grade, lingual lymph node metastasis in early stages, collective cell migration and circulating tumor cells in peripheral blood are some examples of the mechanisms that are currently receiving increasing attention in the evaluation of the prognosis of tongue cancers. Anatomic-based surgery showed that it is possible to improve loco-regional control of tongue cancer. In patients with a "T-N tract involvement", there is significantly more distant recurrence (40%) in patients undergoing a compartmental tongue surgery. In general, the neoplastic infiltration of the lingual muscles is traced back to the finding of neoplastic tissue along the course of a muscle; however, the muscle fibers, due to their spatial conformation and the organization of the extracellular matrix, could influence the movement of tumor cells through the muscle, leaving its three-dimensional structure unchanged. We need to exclude the possibility that tongue muscle fibers represent a mechanism for the diffusion of cancer cells without muscle invasion.
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Affiliation(s)
- Luca Calabrese
- Division of Otorhinolaryngology, San Maurizio Hospital, 39100 Bolzano, Italy;
| | - Maria Eleonora Bizzoca
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy;
| | - Roberto Grigolato
- Division of Prevention, San Maurizio Hospital, 13060 Bolzano, Italy;
| | | | - Marta Tagliabue
- Division of Otolaryngology Head & Neck Surgery, European Institute of Oncology IRCCS, 20132 Milan, Italy;
| | - Rosa Negro
- Division of Pathology, San Maurizio Hospital, 39100 Bolzano, Italy;
| | - Stefania Leuci
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Oral Medicine Unit, Federico II University of Naples, 80138 Naples, Italy; (S.L.); (M.D.M.)
| | - Michele Davide Mignogna
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Oral Medicine Unit, Federico II University of Naples, 80138 Naples, Italy; (S.L.); (M.D.M.)
| | - Lorenzo Lo Muzio
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy;
- C.I.N.B.O. (Consorzio Interuniversitario Nazionale per la Bio-Oncologia), 66100 Chieti, Italy
- Correspondence: ; Tel.: +39-0881-588090
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20
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Saez A, Herrero-Fernandez B, Gomez-Bris R, Somovilla-Crespo B, Rius C, Gonzalez-Granado JM. Lamin A/C and the Immune System: One Intermediate Filament, Many Faces. Int J Mol Sci 2020; 21:E6109. [PMID: 32854281 PMCID: PMC7504305 DOI: 10.3390/ijms21176109] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/19/2020] [Accepted: 08/21/2020] [Indexed: 12/11/2022] Open
Abstract
Nuclear envelope lamin A/C proteins are a major component of the mammalian nuclear lamina, a dense fibrous protein meshwork located in the nuclear interior. Lamin A/C proteins regulate nuclear mechanics and structure and control cellular signaling, gene transcription, epigenetic regulation, cell cycle progression, cell differentiation, and cell migration. The immune system is composed of the innate and adaptive branches. Innate immunity is mediated by myeloid cells such as neutrophils, macrophages, and dendritic cells. These cells produce a rapid and nonspecific response through phagocytosis, cytokine production, and complement activation, as well as activating adaptive immunity. Specific adaptive immunity is activated by antigen presentation by antigen presenting cells (APCs) and the cytokine microenvironment, and is mainly mediated by the cellular functions of T cells and the production of antibodies by B cells. Unlike most cell types, immune cells regulate their lamin A/C protein expression relatively rapidly to exert their functions, with expression increasing in macrophages, reducing in neutrophils, and increasing transiently in T cells. In this review, we discuss and summarize studies that have addressed the role played by lamin A/C in the functions of innate and adaptive immune cells in the context of human inflammatory and autoimmune diseases, pathogen infections, and cancer.
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Affiliation(s)
- Angela Saez
- Centro de Biotecnología y Genómica de Plantas (CBGP), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo, Pozuelo de Alarcón, Pozuelo de Alarcón, 28223 Madrid, Spain;
| | - Beatriz Herrero-Fernandez
- LamImSys Lab, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain; (B.H.-F.); (R.G.-B.); (B.S.-C.)
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), 28029 Madrid, Spain
| | - Raquel Gomez-Bris
- LamImSys Lab, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain; (B.H.-F.); (R.G.-B.); (B.S.-C.)
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), 28029 Madrid, Spain
| | - Beatriz Somovilla-Crespo
- LamImSys Lab, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain; (B.H.-F.); (R.G.-B.); (B.S.-C.)
| | - Cristina Rius
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid (UEM), Villaviciosa de Odón, 28670 Madrid, Spain;
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
| | - Jose M. Gonzalez-Granado
- LamImSys Lab, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain; (B.H.-F.); (R.G.-B.); (B.S.-C.)
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), 28029 Madrid, Spain
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
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21
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Ayoub S, Howsmon DP, Lee CH, Sacks MS. On the role of predicted in vivo mitral valve interstitial cell deformation on its biosynthetic behavior. Biomech Model Mechanobiol 2020; 20:135-144. [PMID: 32761471 DOI: 10.1007/s10237-020-01373-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/28/2020] [Indexed: 02/06/2023]
Abstract
Ischemic mitral regurgitation (IMR), a frequent complication of myocardial infarction, is characterized by regurgitation of blood from the left ventricle back into the left atrium. Physical interventions via surgery or less-invasive techniques are the only available therapies for IMR, with valve repair via undersized ring annuloplasty (URA) generally preferred over valve replacement. However, recurrence of IMR after URA occurs frequently and is attributed to continued remodeling of the MV and infarct region of the left ventricle. The mitral valve interstitial cells (MVICs) that maintain the tissue integrity of the MV leaflets are highly mechanosensitive, and altered loading post-URA is thought to lead to aberrant MVIC-directed tissue remodeling. Although studies have investigated aspects of mechanically directed VIC activation and remodeling potential, there remains a substantial disconnect between organ-level biomechanics and cell-level phenomena. Herein, we utilized an extant multiscale computational model of the MV that linked MVIC to organ-level MV biomechanical behaviors to simulate changes in MVIC deformation following URA. A planar biaxial bioreactor system was then used to cyclically stretch explanted MV leaflet tissue, emulating the in vivo changes in loading following URA. This simulation-directed experimental investigation revealed that post-URA deformations resulted in decreased MVIC activation and collagen mass fraction. These results are consistent with the hypothesis that URA failures post-IMR are due, in part, to reduced MVIC-mediated maintenance of the MV leaflet tissue resulting from a reduction in physical stimuli required for leaflet tissue homeostasis. Such information can inform the development of novel URA strategies with improved durability.
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Affiliation(s)
- Salma Ayoub
- James T. Willerson Center for Cardiovascular Modeling and Simulation, Oden Institute for Computational Engineering and Sciences, Department of Biomedical Engineering, The University of Texas at Austin, Austin, USA
| | - Daniel P Howsmon
- James T. Willerson Center for Cardiovascular Modeling and Simulation, Oden Institute for Computational Engineering and Sciences, Department of Biomedical Engineering, The University of Texas at Austin, Austin, USA
| | - Chung-Hao Lee
- School of Aerospace and Mechanical Engineering, The University of Oklahoma, Norman, OK, 73019, USA
| | - Michael S Sacks
- James T. Willerson Center for Cardiovascular Modeling and Simulation, Oden Institute for Computational Engineering and Sciences, Department of Biomedical Engineering, The University of Texas at Austin, Austin, USA.
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22
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Kwon S, Yang W, Moon D, Kim KS. Biomarkers to quantify cell migration characteristics. Cancer Cell Int 2020; 20:217. [PMID: 32518526 PMCID: PMC7275471 DOI: 10.1186/s12935-020-01312-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 05/30/2020] [Indexed: 11/24/2022] Open
Abstract
Background Because cell movement is primarily driven by the connection between F-actin and integrin through a physical linkage, cellular elasticity and adhesion strength have been considered as biomarkers of cell motility. However, a consistent set of biomarkers that indicate the potential for cell motility is still lacking. Methods In this work, we characterize a phenotype of cell migration in terms of cellular elasticity and adhesion strength, which reveals the interdependence of subcellular systems that mediate optimal cell migration. Results Stiff cells weakly adhered to the substrate revealed superior motility, while soft cell migration with strong adhesion was relatively inhibited. The spatial distribution and amount of F-actin and integrin were highly variable depending on cell type, but their density exhibited linear correlations with cellular elasticity and adhesion strength, respectively. Conclusions The densities of F-actin and integrin exhibited linear correlations with cellular elasticity and adhesion strength, respectively, therefore, they can be considered as biomarkers to quantify cell migration characteristics.
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Affiliation(s)
- Sangwoo Kwon
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 04620 Republic of Korea
| | - Woochul Yang
- Department of Physics, Dongguk University, Seoul, 100-715 Republic of Korea
| | - Donggerami Moon
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 04620 Republic of Korea
| | - Kyung Sook Kim
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 04620 Republic of Korea
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23
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Gerlitz G. The Emerging Roles of Heterochromatin in Cell Migration. Front Cell Dev Biol 2020; 8:394. [PMID: 32528959 PMCID: PMC7266953 DOI: 10.3389/fcell.2020.00394] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/29/2020] [Indexed: 12/17/2022] Open
Abstract
Cell migration is a key process in health and disease. In the last decade an increasing attention is given to chromatin organization in migrating cells. In various types of cells induction of migration leads to a global increase in heterochromatin levels. Heterochromatin is required for optimal cell migration capabilities, since various interventions with heterochromatin formation impeded the migration rate of numerous cell types. Heterochromatin supports the migration process by affecting both the mechanical properties of the nucleus as well as the genetic processes taking place within it. Increased heterochromatin levels elevate nuclear rigidity in a manner that allows faster cell migration in 3D environments. Condensed chromatin and a more rigid nucleus may increase nuclear durability to shear stress and prevent DNA damage during the migration process. In addition, heterochromatin reorganization in migrating cells is important for induction of migration-specific transcriptional plan together with inhibition of many other unnecessary transcriptional changes. Thus, chromatin organization appears to have a key role in the cellular migration process.
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Affiliation(s)
- Gabi Gerlitz
- Department of Molecular Biology and Ariel Center for Applied Cancer Research, Faculty of Life Sciences, Ariel University, Ariel, Israel
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24
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Kozminsky M, Sohn LL. The promise of single-cell mechanophenotyping for clinical applications. BIOMICROFLUIDICS 2020; 14:031301. [PMID: 32566069 PMCID: PMC7286698 DOI: 10.1063/5.0010800] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 05/11/2020] [Indexed: 05/06/2023]
Abstract
Cancer is the second leading cause of death worldwide. Despite the immense research focused in this area, one is still not able to predict disease trajectory. To overcome shortcomings in cancer disease study and monitoring, we describe an exciting research direction: cellular mechanophenotyping. Cancer cells must overcome many challenges involving external forces from neighboring cells, the extracellular matrix, and the vasculature to survive and thrive. Identifying and understanding their mechanical behavior in response to these forces would advance our understanding of cancer. Moreover, used alongside traditional methods of immunostaining and genetic analysis, mechanophenotyping could provide a comprehensive view of a heterogeneous tumor. In this perspective, we focus on new technologies that enable single-cell mechanophenotyping. Single-cell analysis is vitally important, as mechanical stimuli from the environment may obscure the inherent mechanical properties of a cell that can change over time. Moreover, bulk studies mask the heterogeneity in mechanical properties of single cells, especially those rare subpopulations that aggressively lead to cancer progression or therapeutic resistance. The technologies on which we focus include atomic force microscopy, suspended microchannel resonators, hydrodynamic and optical stretching, and mechano-node pore sensing. These technologies are poised to contribute to our understanding of disease progression as well as present clinical opportunities.
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Affiliation(s)
- Molly Kozminsky
- California Institute for Quantitative Biosciences, University of California, 174 Stanley Hall, Berkeley, California 94720, USA
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25
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Sneider A, Hah J, Wirtz D, Kim DH. Recapitulation of molecular regulators of nuclear motion during cell migration. Cell Adh Migr 2019; 13:50-62. [PMID: 30261154 PMCID: PMC6527386 DOI: 10.1080/19336918.2018.1506654] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/05/2018] [Accepted: 07/18/2018] [Indexed: 01/12/2023] Open
Abstract
Cell migration is a highly orchestrated cellular event that involves physical interactions of diverse subcellular components. The nucleus as the largest and stiffest organelle in the cell not only maintains genetic functionality, but also actively changes its morphology and translocates through dynamic formation of nucleus-bound contractile stress fibers. Nuclear motion is an active and essential process for successful cell migration and nucleus self-repairs in response to compression and extension forces in complex cell microenvironment. This review recapitulates molecular regulators that are crucial for nuclear motility during cell migration and highlights recent advances in nuclear deformation-mediated rupture and repair processes in a migrating cell.
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Affiliation(s)
- Alexandra Sneider
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Jungwon Hah
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Denis Wirtz
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Dong-Hwee Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
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26
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Ren J, Li J, Li Y, Xiao P, Liu Y, Tsang CM, Tsao SW, Lau D, Chan KWY, Lam RHW. Elasticity-Modulated Microbeads for Classification of Floating Normal and Cancer Cells Using Confining Microchannels. ACS Biomater Sci Eng 2019; 5:3889-3898. [DOI: 10.1021/acsbiomaterials.8b01273] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Jifeng Ren
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Jiyu Li
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Yongshu Li
- School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Peng Xiao
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Yi Liu
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Chi Man Tsang
- School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Sai Wah Tsao
- School of Biomedical Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Denvid Lau
- Department of Architecture and Civil Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Kannie W. Y. Chan
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
| | - Raymond H. W. Lam
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
- City University of Hong Kong, Shenzhen Research Institute, Shenzhen 518057, China
- Centre for Biosystems, Neuroscience, and Nanotechnology, City University of Hong Kong, Kowloon, Hong Kong, Special Administrative Region of the People’s Republic of China
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27
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Eble JA, Niland S. The extracellular matrix in tumor progression and metastasis. Clin Exp Metastasis 2019; 36:171-198. [PMID: 30972526 DOI: 10.1007/s10585-019-09966-1] [Citation(s) in RCA: 325] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/05/2019] [Indexed: 02/06/2023]
Abstract
The extracellular matrix (ECM) constitutes the scaffold of tissues and organs. It is a complex network of extracellular proteins, proteoglycans and glycoproteins, which form supramolecular aggregates, such as fibrils and sheet-like networks. In addition to its biochemical composition, including the covalent intermolecular cross-linkages, the ECM is also characterized by its biophysical parameters, such as topography, molecular density, stiffness/rigidity and tension. Taking these biochemical and biophysical parameters into consideration, the ECM is very versatile and undergoes constant remodeling. This review focusses on this remodeling of the ECM under the influence of a primary solid tumor mass. Within this tumor stroma, not only the cancer cells but also the resident fibroblasts, which differentiate into cancer-associated fibroblasts (CAFs), modify the ECM. Growth factors and chemokines, which are tethered to and released from the ECM, as well as metabolic changes of the cells within the tumor bulk, add to the tumor-supporting tumor microenvironment. Metastasizing cancer cells from a primary tumor mass infiltrate into the ECM, which variably may facilitate cancer cell migration or act as barrier, which has to be proteolytically breached by the infiltrating tumor cell. The biochemical and biophysical properties therefore determine the rates and routes of metastatic dissemination. Moreover, primed by soluble factors of the primary tumor, the ECM of distant organs may be remodeled in a way to facilitate the engraftment of metastasizing cancer cells. Such premetastatic niches are responsible for the organotropic preference of certain cancer entities to colonize at certain sites in distant organs and to establish a metastasis. Translational application of our knowledge about the cancer-primed ECM is sparse with respect to therapeutic approaches, whereas tumor-induced ECM alterations such as increased tissue stiffness and desmoplasia, as well as breaching the basement membrane are hallmark of malignancy and diagnostically and histologically harnessed.
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Affiliation(s)
- Johannes A Eble
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyerstr. 15, 48149, Münster, Germany.
| | - Stephan Niland
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyerstr. 15, 48149, Münster, Germany
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28
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Harris MJ, Wirtz D, Wu PH. Dissecting cellular mechanics: Implications for aging, cancer, and immunity. Semin Cell Dev Biol 2018; 93:16-25. [PMID: 30359779 DOI: 10.1016/j.semcdb.2018.10.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 10/18/2018] [Accepted: 10/18/2018] [Indexed: 01/13/2023]
Abstract
Cells are dynamic structures that must respond to complex physical and chemical signals from their surrounding environment. The cytoskeleton is a key mediator of a cell's response to the signals of both the extracellular matrix and other cells present in the local microenvironment and allows it to tune its own mechanical properties in response to these cues. A growing body of evidence suggests that altered cellular viscoelasticity is a strong indicator of disease state; including cancer, laminopathy (genetic disorders of the nuclear lamina), infection, and aging. Here, we review recent work on the characterization of cell mechanics in disease and discuss the implications of altered viscoelasticity in regulation of immune responses. Finally, we provide an overview of techniques for measuring the mechanical properties of cells deeply embedded within tissues.
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Affiliation(s)
- Michael J Harris
- Johns Hopkins Physical Sciences - Oncology Center, The Johns Hopkins University, Baltimore, MD 21218, USA; Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, MD 21218, USA
| | - Denis Wirtz
- Johns Hopkins Physical Sciences - Oncology Center, The Johns Hopkins University, Baltimore, MD 21218, USA; Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, MD 21218, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.
| | - Pei-Hsun Wu
- Johns Hopkins Physical Sciences - Oncology Center, The Johns Hopkins University, Baltimore, MD 21218, USA; Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, MD 21218, USA.
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29
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Panagiotakopoulou M, Lendenmann T, Pramotton FM, Giampietro C, Stefopoulos G, Poulikakos D, Ferrari A. Cell cycle-dependent force transmission in cancer cells. Mol Biol Cell 2018; 29:2528-2539. [PMID: 30113874 PMCID: PMC6254576 DOI: 10.1091/mbc.e17-12-0726] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 08/02/2018] [Accepted: 08/08/2018] [Indexed: 12/28/2022] Open
Abstract
The generation of traction forces and their transmission to the extracellular environment supports the disseminative migration of cells from a primary tumor. In cancer cells, the periodic variation of nuclear stiffness during the cell cycle provides a functional link between efficient translocation and proliferation. However, the mechanical framework completing this picture remains unexplored. Here, the Fucci2 reporter was expressed in various human epithelial cancer cells to resolve their cell cycle phase transition. The corresponding tractions were captured by a recently developed reference-free confocal traction-force microscopy platform. The combined approach was conducive to the analysis of phase-dependent force variation at the level of individual integrin contacts. Detected forces were invariably higher in the G1 and early S phases than in the ensuing late S/G2, and locally colocalized with high levels of paxillin phosphorylation. Perturbation of paxillin phosphorylation at focal adhesions, obtained through the biochemical inhibition of focal adhesion kinase (FAK) or the transfection of nonphosphorylatable or phosphomimetic paxillin mutants, significantly diminished the force transmitted to the substrate. These data demonstrate a reproducible modulation of force transmission during the cell cycle progression of cancer cells, instrumental to their invasion of dense environments. In addition, they delineate a model in which paxillin phosphorylation supports the mechanical maturation of adhesions relaying forces to the substrate.
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Affiliation(s)
- Magdalini Panagiotakopoulou
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Tobias Lendenmann
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Francesca Michela Pramotton
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Costanza Giampietro
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Georgios Stefopoulos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
| | - Aldo Ferrari
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zürich, Switzerland
- Institute for Mechanical Systems, ETH Zurich, CH-8092 Zürich, Switzerland
- EMPA, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
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30
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Cancer invasion into musculature: Mechanics, molecules and implications. Semin Cell Dev Biol 2018; 93:36-45. [PMID: 30009945 DOI: 10.1016/j.semcdb.2018.07.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 07/10/2018] [Accepted: 07/11/2018] [Indexed: 01/10/2023]
Abstract
Tumor invasion along structural interphases of surrounding tumor-free tissue represents a key process during tumor progression. Much attention has been devoted to mechanisms of tumor cell migration within extracellular matrix (ECM)-rich connective tissue, however a comprehensive understanding of tumor invasion into tissue of higher structural complexity, such as muscle tissue, is lacking. Muscle invasion in cancer patients is often associated with destructive growth and worsened prognosis. Here, we review biochemical, geometrical and mechanical cues of smooth and skeletal muscle tissues and their relevance for guided invasion of cancer cells. As integrating concept, muscle-organizing ECM-rich surfaces of the epi-, peri- and endomysium provide cleft-like confined spaces along interfaces between dynamic muscle cells, which provide molecular and physical cues that guide migrating cancer cells, forming a possible contribution to cancer progression.
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31
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Ermis M, Antmen E, Hasirci V. Micro and Nanofabrication methods to control cell-substrate interactions and cell behavior: A review from the tissue engineering perspective. Bioact Mater 2018; 3:355-369. [PMID: 29988483 PMCID: PMC6026330 DOI: 10.1016/j.bioactmat.2018.05.005] [Citation(s) in RCA: 161] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 05/09/2018] [Accepted: 05/10/2018] [Indexed: 02/07/2023] Open
Abstract
Cell-substrate interactions play a crucial role in the design of better biomaterials and integration of implants with the tissues. Adhesion is the binding process of the cells to the substrate through interactions between the surface molecules of the cell membrane and the substrate. There are several factors that affect cell adhesion including substrate surface chemistry, topography, and stiffness. These factors physically and chemically guide and influence the adhesion strength, spreading, shape and fate of the cell. Recently, technological advances enabled us to precisely engineer the geometry and chemistry of substrate surfaces enabling the control of the interaction cells with the substrate. Some of the most commonly used surface engineering methods for eliciting the desired cellular responses on biomaterials are photolithography, electron beam lithography, microcontact printing, and microfluidics. These methods allow production of nano- and micron level substrate features that can control cell adhesion, migration, differentiation, shape of the cells and the nuclei as well as measurement of the forces involved in such activities. This review aims to summarize the current techniques and associate these techniques with cellular responses in order to emphasize the effect of chemistry, dimensions, density and design of surface patterns on cell-substrate interactions. We conclude with future projections in the field of cell-substrate interactions in the hope of providing an outlook for the future studies.
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Affiliation(s)
- Menekse Ermis
- BIOMATEN, Middle East Technical University (METU) Center of Excellence in Biomaterials and Tissue Engineering, Ankara, Turkey
- METU, Department of Biomedical Engineering, Ankara, Turkey
| | - Ezgi Antmen
- BIOMATEN, Middle East Technical University (METU) Center of Excellence in Biomaterials and Tissue Engineering, Ankara, Turkey
- METU, Department of Biotechnology, Ankara, Turkey
| | - Vasif Hasirci
- BIOMATEN, Middle East Technical University (METU) Center of Excellence in Biomaterials and Tissue Engineering, Ankara, Turkey
- METU, Department of Biomedical Engineering, Ankara, Turkey
- METU, Department of Biotechnology, Ankara, Turkey
- METU, Department of Biological Sciences, Ankara, Turkey
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32
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Plou J, Juste-Lanas Y, Olivares V, Del Amo C, Borau C, García-Aznar JM. From individual to collective 3D cancer dissemination: roles of collagen concentration and TGF-β. Sci Rep 2018; 8:12723. [PMID: 30143683 PMCID: PMC6109049 DOI: 10.1038/s41598-018-30683-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 07/31/2018] [Indexed: 02/06/2023] Open
Abstract
Cancer cells have the ability to migrate from the primary (original) site to other places in the body. The extracellular matrix affects cancer cell migratory capacity and has been correlated with tissue-specific spreading patterns. However, how the matrix orchestrates these behaviors remains unclear. Here, we investigated how both higher collagen concentrations and TGF-β regulate the formation of H1299 cell (a non-small cell lung cancer cell line) spheroids within 3D collagen-based matrices and promote cancer cell invasive capacity. We show that at low collagen concentrations, tumor cells move individually and have moderate invasive capacity, whereas when the collagen concentration is increased, the formation of cell clusters is promoted. In addition, when the concentration of TGF-β in the microenvironment is lower, most of the clusters are aggregates of cancer cells with a spheroid-like morphology and poor migratory capacity. In contrast, higher concentrations of TGF-β induced the formation of clusters with a notably higher invasive capacity, resulting in clear strand-like collective cell migration. Our results show that the concentration of the extracellular matrix is a key regulator of the formation of tumor clusters that affects their development and growth. In addition, chemical factors create a microenvironment that promotes the transformation of idle tumor clusters into very active, invasive tumor structures. These results collectively demonstrate the relevant regulatory role of the mechano-chemical microenvironment in leading the preferential metastasis of tumor cells to specific tissues with high collagen concentrations and TFG-β activity.
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Affiliation(s)
- J Plou
- Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), Department of Mechanical Engineering, University of Zaragoza, 50018, Zaragoza, Spain.
| | - Y Juste-Lanas
- Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), Department of Mechanical Engineering, University of Zaragoza, 50018, Zaragoza, Spain
| | - V Olivares
- Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), Department of Mechanical Engineering, University of Zaragoza, 50018, Zaragoza, Spain
| | - C Del Amo
- Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), Department of Mechanical Engineering, University of Zaragoza, 50018, Zaragoza, Spain
| | - C Borau
- Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), Department of Mechanical Engineering, University of Zaragoza, 50018, Zaragoza, Spain
| | - J M García-Aznar
- Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), Department of Mechanical Engineering, University of Zaragoza, 50018, Zaragoza, Spain.
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33
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Coppola V, Ventre M, Natale CF, Rescigno F, Netti PA. On the influence of surface patterning on tissue self-assembly and mechanics. J Tissue Eng Regen Med 2018; 12:1621-1633. [PMID: 29704321 DOI: 10.1002/term.2688] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 02/12/2018] [Accepted: 04/12/2018] [Indexed: 12/21/2022]
Abstract
Extracellular matrix assembly and composition influence the biological and mechanical functions of tissues. Developing strategies to control the spatial arrangement of cells and matrix is of central importance for tissue engineering-related approaches relying on self-assembling and scaffoldless processes. Literature reports demonstrated that signals patterned on material surfaces are able to control cell positioning and matrix orientation. However, the mechanisms underlying the interactions between material signals and the structure of the de novo synthesized matrix are far from being thoroughly understood. In this work, we investigated the ordering effect provided by nanoscale topographic patterns on the assembly of tissue sheets grown in vitro. We stimulated MC3T3-E1 preosteoblasts to produce and assemble a collagen-rich matrix on substrates displaying patterns with long- or short-range order. Then, we investigated microstructural features and mechanical properties of the tissue in uniaxial tension. Our results demonstrate that patterned material surfaces are able to control the initial organization of cells in close contact to the surface; then cell-generated contractile forces profoundly remodel tissue structure towards mechanically stable spatial patterns. Such a remodelling effect acts both locally, as it affects cell and nuclear shape and globally, by affecting the gross mechanical response of the tissue. Such an aspect of dynamic interplay between cells and the surrounding matrix must be taken into account when designing material platform for the in vitro generation of tissue with specific microstructural assemblies.
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Affiliation(s)
- Valerio Coppola
- Department of Chemical, Materials and Industrial Production Engineering and Interdisciplinary Research Centre on Biomaterials, University of Naples Federico II, Naples, Italy.,Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
| | - Maurizio Ventre
- Department of Chemical, Materials and Industrial Production Engineering and Interdisciplinary Research Centre on Biomaterials, University of Naples Federico II, Naples, Italy.,Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
| | - Carlo F Natale
- Hydrodynamics Laboratory (LadHyX), CNRS UMR7646, École Polytechnique, Palaiseau Cedex, France
| | - Francesca Rescigno
- Department of Chemical, Materials and Industrial Production Engineering and Interdisciplinary Research Centre on Biomaterials, University of Naples Federico II, Naples, Italy.,Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
| | - Paolo A Netti
- Department of Chemical, Materials and Industrial Production Engineering and Interdisciplinary Research Centre on Biomaterials, University of Naples Federico II, Naples, Italy.,Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
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34
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Kumar S, Das A, Sen S. Multicompartment cell-based modeling of confined migration: regulation by cell intrinsic and extrinsic factors. Mol Biol Cell 2018; 29:1599-1610. [PMID: 29718766 PMCID: PMC6080655 DOI: 10.1091/mbc.e17-05-0313] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Though cell and nuclear deformability are expected to influence efficiency of confined migration, their individual and collective influence on migration efficiency remains incompletely understood. In addition to cell intrinsic properties, the relevance of cell extrinsic factors on confined migration, if any, has not been adequately explored. Here we address these questions using a statistical mechanics-based stochastic modeling approach where cell/nuclear dimensions and their deformability are explicitly taken into consideration. In addition to demonstrating the importance of cell softness in sustaining confined migration, our results suggest that dynamic tuning of cell and nuclear properties at different stages of migration is essential for maximizing migration efficiency. Our simulations also implicate confinement shape and confinement history as two important cell extrinsic regulators of cell invasiveness. Together, our findings illustrate the strength of a multicompartment model in dissecting the contributions of multiple factors that collectively influence confined cell migration.
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Affiliation(s)
- Sandeep Kumar
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai 400 076, India
| | - Alakesh Das
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai 400 076, India
| | - Shamik Sen
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai 400 076, India
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35
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Automated analysis of cell migration and nuclear envelope rupture in confined environments. PLoS One 2018; 13:e0195664. [PMID: 29649271 PMCID: PMC5896979 DOI: 10.1371/journal.pone.0195664] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 03/27/2018] [Indexed: 12/24/2022] Open
Abstract
Recent in vitro and in vivo studies have highlighted the importance of the cell nucleus in governing migration through confined environments. Microfluidic devices that mimic the narrow interstitial spaces of tissues have emerged as important tools to study cellular dynamics during confined migration, including the consequences of nuclear deformation and nuclear envelope rupture. However, while image acquisition can be automated on motorized microscopes, the analysis of the corresponding time-lapse sequences for nuclear transit through the pores and events such as nuclear envelope rupture currently requires manual analysis. In addition to being highly time-consuming, such manual analysis is susceptible to person-to-person variability. Studies that compare large numbers of cell types and conditions therefore require automated image analysis to achieve sufficiently high throughput. Here, we present an automated image analysis program to register microfluidic constrictions and perform image segmentation to detect individual cell nuclei. The MATLAB program tracks nuclear migration over time and records constriction-transit events, transit times, transit success rates, and nuclear envelope rupture. Such automation reduces the time required to analyze migration experiments from weeks to hours, and removes the variability that arises from different human analysts. Comparison with manual analysis confirmed that both constriction transit and nuclear envelope rupture were detected correctly and reliably, and the automated analysis results closely matched a manual analysis gold standard. Applying the program to specific biological examples, we demonstrate its ability to detect differences in nuclear transit time between cells with different levels of the nuclear envelope proteins lamin A/C, which govern nuclear deformability, and to detect an increase in nuclear envelope rupture duration in cells in which CHMP7, a protein involved in nuclear envelope repair, had been depleted. The program thus presents a versatile tool for the study of confined migration and its effect on the cell nucleus.
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36
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Broders-Bondon F, Nguyen Ho-Bouldoires TH, Fernandez-Sanchez ME, Farge E. Mechanotransduction in tumor progression: The dark side of the force. J Cell Biol 2018; 217:1571-1587. [PMID: 29467174 PMCID: PMC5940296 DOI: 10.1083/jcb.201701039] [Citation(s) in RCA: 184] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 01/19/2018] [Accepted: 02/01/2018] [Indexed: 12/11/2022] Open
Abstract
Broders-Bondon et al. review the pathological mechanical properties of tumor tissues and how abnormal mechanical signals result in oncogenic biochemical signals during tumor progression. Cancer has been characterized as a genetic disease, associated with mutations that cause pathological alterations of the cell cycle, adhesion, or invasive motility. Recently, the importance of the anomalous mechanical properties of tumor tissues, which activate tumorigenic biochemical pathways, has become apparent. This mechanical induction in tumors appears to consist of the destabilization of adult tissue homeostasis as a result of the reactivation of embryonic developmental mechanosensitive pathways in response to pathological mechanical strains. These strains occur in many forms, for example, hypervascularization in late tumors leads to high static hydrodynamic pressure that can promote malignant progression through hypoxia or anomalous interstitial liquid and blood flow. The high stiffness of tumors directly induces the mechanical activation of biochemical pathways enhancing the cell cycle, epithelial–mesenchymal transition, and cell motility. Furthermore, increases in solid-stress pressure associated with cell hyperproliferation activate tumorigenic pathways in the healthy epithelial cells compressed by the neighboring tumor. The underlying molecular mechanisms of the translation of a mechanical signal into a tumor inducing biochemical signal are based on mechanically induced protein conformational changes that activate classical tumorigenic signaling pathways. Understanding these mechanisms will be important for the development of innovative treatments to target such mechanical anomalies in cancer.
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Affiliation(s)
- Florence Broders-Bondon
- Mechanics and Genetics of Embryonic and Tumor Development Group, Institut Curie, PSL Research University, Centre National de la Recherche Scientifique, UMR168, Inserm, Sorbonne Universities, Paris, France
| | - Thanh Huong Nguyen Ho-Bouldoires
- Mechanics and Genetics of Embryonic and Tumor Development Group, Institut Curie, PSL Research University, Centre National de la Recherche Scientifique, UMR168, Inserm, Sorbonne Universities, Paris, France
| | - Maria-Elena Fernandez-Sanchez
- Mechanics and Genetics of Embryonic and Tumor Development Group, Institut Curie, PSL Research University, Centre National de la Recherche Scientifique, UMR168, Inserm, Sorbonne Universities, Paris, France
| | - Emmanuel Farge
- Mechanics and Genetics of Embryonic and Tumor Development Group, Institut Curie, PSL Research University, Centre National de la Recherche Scientifique, UMR168, Inserm, Sorbonne Universities, Paris, France
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37
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Das A, Monteiro M, Barai A, Kumar S, Sen S. MMP proteolytic activity regulates cancer invasiveness by modulating integrins. Sci Rep 2017; 7:14219. [PMID: 29079818 PMCID: PMC5660204 DOI: 10.1038/s41598-017-14340-w] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 10/10/2017] [Indexed: 12/20/2022] Open
Abstract
Cancer invasion through dense extracellular matrices (ECMs) is mediated by matrix metalloproteinases (MMPs) which degrade the ECM thereby creating paths for migration. However, how this degradation influences the phenotype of cancer cells is not fully clear. Here we address this question by probing the function of MMPs in regulating biophysical properties of cancer cells relevant to invasion. We show that MMP catalytic activity regulates cell spreading, motility, contractility and cortical stiffness by stabilizing integrins at the membrane and activating focal adhesion kinase. Interestingly, cell rounding and cell softening on stiff gels induced by MMP inhibition is attenuated on MMP pre-conditioned surfaces. Together, our results suggest that MMP catalytic activity regulates invasiveness of cancer cells by modulating integrins.
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Affiliation(s)
- Alakesh Das
- Department of Biosciences & Bioengineering, IIT Bombay, Mumbai, 400 076, India
| | - Melissa Monteiro
- Department of Biosciences & Bioengineering, IIT Bombay, Mumbai, 400 076, India
| | - Amlan Barai
- Department of Biosciences & Bioengineering, IIT Bombay, Mumbai, 400 076, India
| | - Sandeep Kumar
- Department of Biosciences & Bioengineering, IIT Bombay, Mumbai, 400 076, India
| | - Shamik Sen
- Department of Biosciences & Bioengineering, IIT Bombay, Mumbai, 400 076, India.
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38
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Bennett RR, Pfeifer CR, Irianto J, Xia Y, Discher DE, Liu AJ. Elastic-Fluid Model for DNA Damage and Mutation from Nuclear Fluid Segregation Due to Cell Migration. Biophys J 2017; 112:2271-2279. [PMID: 28591600 DOI: 10.1016/j.bpj.2017.04.037] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/24/2017] [Accepted: 04/26/2017] [Indexed: 01/10/2023] Open
Abstract
When cells migrate through constricting pores, they incur DNA damage and develop genomic variation. Experiments show that this damage is not due to DNA breakage from mechanical stress on chromatin in the deformed nucleus. Here we propose a model for a mechanism by which nuclear deformation can lead to DNA damage. We treat the nucleus as an elastic-fluid system with an elastic component (chromatin) and fluid component that can be squeezed out when the nucleus is deformed. We couple the elastic-fluid model to the kinetics of DNA breakage and repair by assuming that the local volume fraction of the elastic component controls the rate of damage per unit volume due to naturally occurring DNA breaks, whereas the volume fraction of the fluid component controls the rate of repair of DNA breaks per unit volume by repair factors, which are soluble in the fluid. By comparing our results to a number of experiments on controlled migration through pores, we show that squeeze-out of the fluid, and hence of the mobile repair factors, is sufficient to account for the extent of DNA damage and genomic variation observed experimentally. We also use our model for migration through a cylindrical pore to estimate the variation with tissue stiffness of the mutation rate in tumors.
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Affiliation(s)
- Rachel R Bennett
- Physical Sciences Oncology Center at Penn, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Charlotte R Pfeifer
- Physical Sciences Oncology Center at Penn, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania; Molecular and Cell Biophysics Lab, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jerome Irianto
- Physical Sciences Oncology Center at Penn, University of Pennsylvania, Philadelphia, Pennsylvania; Molecular and Cell Biophysics Lab, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Yuntao Xia
- Physical Sciences Oncology Center at Penn, University of Pennsylvania, Philadelphia, Pennsylvania; Molecular and Cell Biophysics Lab, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Dennis E Discher
- Physical Sciences Oncology Center at Penn, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania; Molecular and Cell Biophysics Lab, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Andrea J Liu
- Physical Sciences Oncology Center at Penn, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania.
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39
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Nematbakhsh Y, Pang KT, Lim CT. Correlating the viscoelasticity of breast cancer cells with their malignancy. CONVERGENT SCIENCE PHYSICAL ONCOLOGY 2017. [DOI: 10.1088/2057-1739/aa7ffb] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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40
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Maizels Y, Elbaz A, Hernandez-Vicens R, Sandrusy O, Rosenberg A, Gerlitz G. Increased chromatin plasticity supports enhanced metastatic potential of mouse melanoma cells. Exp Cell Res 2017; 357:282-290. [PMID: 28551377 DOI: 10.1016/j.yexcr.2017.05.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 05/23/2017] [Accepted: 05/24/2017] [Indexed: 12/17/2022]
Abstract
Metastasis formation is strongly dependent on the migration capabilities of tumor cells. Recently it has become apparent that nuclear structure and morphology affect the cellular ability to migrate. Previously we found that migration of melanoma cells is both associated with and dependent on global chromatin condensation. Therefore, we anticipated that tumor progression would be associated with increased chromatin condensation. Interestingly, the opposite has been reported for melanoma. In trying to resolve this contradiction, we show that during growth conditions, tumor progression is associated with global chromatin de-condensation that is beneficial for faster proliferation. However, upon induction of migration, in both low- and high-metastatic mouse melanoma cells chromatin undergoes condensation to support cell migration. Our results reveal that throughout tumor progression induction of chromatin condensation by migration signals is maintained, whereas the organization of chromatin during growth conditions is altered. Thus, tumor progression is associated with an increase in chromatin dynamics.
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Affiliation(s)
- Yael Maizels
- Department of Molecular Biology, Faculty of Life Sciences, Ariel University, Israel
| | - Adi Elbaz
- Department of Molecular Biology, Faculty of Life Sciences, Ariel University, Israel
| | | | - Oshrat Sandrusy
- Department of Molecular Biology, Faculty of Life Sciences, Ariel University, Israel
| | - Anna Rosenberg
- Department of Molecular Biology, Faculty of Life Sciences, Ariel University, Israel
| | - Gabi Gerlitz
- Department of Molecular Biology, Faculty of Life Sciences, Ariel University, Israel.
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41
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Giverso C, Arduino A, Preziosi L. How Nucleus Mechanics and ECM Microstructure Influence the Invasion of Single Cells and Multicellular Aggregates. Bull Math Biol 2017; 80:1017-1045. [PMID: 28409417 DOI: 10.1007/s11538-017-0262-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 02/17/2017] [Indexed: 01/14/2023]
Abstract
In order to move in a three-dimensional extracellular matrix, the nucleus of a cell must squeeze through the narrow spacing among the fibers and, by adhering to them, the cell needs to exert sufficiently strong traction forces. If the nucleus is too stiff, the spacing too narrow, or traction forces too weak, the cell is not able to penetrate the network. In this article, we formulate a mathematical model based on an energetic approach, for cells entering cylindrical channels composed of extracellular matrix fibers. Treating the nucleus as an elastic body covered by an elastic membrane, the energetic balance leads to the definition of a necessary criterion for cells to pass through the regular network of fibers, depending on the traction forces exerted by the cells (or possibly passive stresses), the stretchability of the nuclear membrane, the stiffness of the nucleus, and the ratio of the pore size within the extracellular matrix with respect to the nucleus diameter. The results obtained highlight the importance of the interplay between mechanical properties of the cell and microscopic geometric characteristics of the extracellular matrix and give an estimate for a critical value of the pore size that represents the physical limit of migration and can be used in tumor growth models to predict their invasive potential in thick regions of ECM.
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Affiliation(s)
- Chiara Giverso
- Istituto Nazionale di Alta Matematica "F. Severi", Città Universitaria, P.le Aldo Moro 5, 00185, Rome, Italy.
- Department of Mathematical Sciences, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Turin, Italy.
| | - Alessandro Arduino
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Turin, Italy
- Istituto Nazionale di Ricerca Metrologica, Strada delle Cacce 91, 10135, Turin, Italy
| | - Luigi Preziosi
- Department of Mathematical Sciences, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Turin, Italy
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42
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Sun M, Zaman MH. Modeling, signaling and cytoskeleton dynamics: integrated modeling-experimental frameworks in cell migration. WILEY INTERDISCIPLINARY REVIEWS. SYSTEMS BIOLOGY AND MEDICINE 2017; 9:10.1002/wsbm.1365. [PMID: 27863122 PMCID: PMC5338640 DOI: 10.1002/wsbm.1365] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 08/29/2016] [Accepted: 09/14/2016] [Indexed: 12/20/2022]
Abstract
Cell migration is a complex and multistep process involved in homeostasis maintenance, morphogenesis, and disease development, such as cancer metastasis. Modeling cell migration and the relevant cytoskeleton dynamics have profound implications for studying fundamental development and disease diagnosis. This review focuses on some recent models of both cell migration and migration-related cytoskeleton dynamics, addressing issues such as the difference between amoeboid and mesenchymal migration modes, and between single-cell migration and collective cell migration. The review also highlights the computational integration among variable external cues, especially the biochemical and mechanical signaling that affects cell migration. Finally, we aim to identify the gaps in our current knowledge and potential strategies to develop integrated modeling-experimental frameworks for multiscale behavior integrating gene expression, cell signaling, mechanics, and multicellular dynamics. WIREs Syst Biol Med 2017, 9:e1365. doi: 10.1002/wsbm.1365 For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- Meng Sun
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America
| | - Muhammad H. Zaman
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America
- Howard Hughes Medical Institute
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43
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Corne TDJ, Sieprath T, Vandenbussche J, Mohammed D, Te Lindert M, Gevaert K, Gabriele S, Wolf K, De Vos WH. Deregulation of focal adhesion formation and cytoskeletal tension due to loss of A-type lamins. Cell Adh Migr 2016; 11:447-463. [PMID: 27791462 DOI: 10.1080/19336918.2016.1247144] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The nuclear lamina mechanically integrates the nucleus with the cytoskeleton and extracellular environment and regulates gene expression. These functions are exerted through direct and indirect interactions with the lamina's major constituent proteins, the A-type lamins, which are encoded by the LMNA gene. Using quantitative stable isotope labeling-based shotgun proteomics we have analyzed the proteome of human dermal fibroblasts in which we have depleted A-type lamins by means of a sustained siRNA-mediated LMNA knockdown. Gene ontology analysis revealed that the largest fraction of differentially produced proteins was involved in actin cytoskeleton organization, in particular proteins involved in focal adhesion dynamics, such as actin-related protein 2 and 3 (ACTR2/3), subunits of the ARP2/3 complex, and fascin actin-bundling protein 1 (FSCN1). Functional validation using quantitative immunofluorescence showed a significant reduction in the size of focal adhesion points in A-type lamin depleted cells, which correlated with a reduction in early cell adhesion capacity and an increased cell motility. At the same time, loss of A-type lamins led to more pronounced stress fibers and higher traction forces. This phenotype could not be mimicked or reversed by experimental modulation of the STAT3-IL6 pathway, but it was partly recapitulated by chemical inhibition of the ARP2/3 complex. Thus, our data suggest that the loss of A-type lamins perturbs the balance between focal adhesions and cytoskeletal tension. This imbalance may contribute to mechanosensing defects observed in certain laminopathies.
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Affiliation(s)
- Tobias D J Corne
- a Laboratory of Cell Biology and Histology , Department of Veterinary Sciences, University of Antwerp , Antwerp , Belgium.,b Cell Systems and Imaging Research Group (CSI) , Department of Molecular Biotechnology, Ghent University , Ghent , Belgium
| | - Tom Sieprath
- a Laboratory of Cell Biology and Histology , Department of Veterinary Sciences, University of Antwerp , Antwerp , Belgium.,b Cell Systems and Imaging Research Group (CSI) , Department of Molecular Biotechnology, Ghent University , Ghent , Belgium
| | - Jonathan Vandenbussche
- c Medical Biotechnology Center, VIB , Belgium.,d Department of Biochemistry , Ghent University , Ghent , Belgium
| | - Danahe Mohammed
- e Mechanobiology & Soft Matter Research Group, Interfaces and Complex Fluids Laboratory, Research Institute for Biosciences, University of Mons , Mons , Belgium
| | - Mariska Te Lindert
- f Department of Cell Biology , Radboud University Medical Center , Nijmegen , The Netherlands
| | - Kris Gevaert
- c Medical Biotechnology Center, VIB , Belgium.,d Department of Biochemistry , Ghent University , Ghent , Belgium
| | - Sylvain Gabriele
- e Mechanobiology & Soft Matter Research Group, Interfaces and Complex Fluids Laboratory, Research Institute for Biosciences, University of Mons , Mons , Belgium
| | - Katarina Wolf
- f Department of Cell Biology , Radboud University Medical Center , Nijmegen , The Netherlands
| | - Winnok H De Vos
- a Laboratory of Cell Biology and Histology , Department of Veterinary Sciences, University of Antwerp , Antwerp , Belgium.,b Cell Systems and Imaging Research Group (CSI) , Department of Molecular Biotechnology, Ghent University , Ghent , Belgium
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44
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Liu L, Luo Q, Sun J, Song G. Nucleus and nucleus-cytoskeleton connections in 3D cell migration. Exp Cell Res 2016; 348:56-65. [DOI: 10.1016/j.yexcr.2016.09.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 09/02/2016] [Accepted: 09/03/2016] [Indexed: 12/21/2022]
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45
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Guo Z, Zhang T, Fang K, Liu P, Li M, Gu N. The effect of porosity and stiffness of glutaraldehyde cross-linked egg white scaffold simulating aged extracellular matrix on distribution and aggregation of ovarian cancer cells. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.05.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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46
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Abstract
Cell migration is central to a multitude of physiological processes, including embryonic development, immune surveillance, and wound healing, and deregulated migration is key to cancer dissemination. Decades of investigations have uncovered many of the molecular and physical mechanisms underlying cell migration. Together with protrusion extension and cell body retraction, adhesion to the substrate via specific focal adhesion points has long been considered an essential step in cell migration. Although this is true for cells moving on two-dimensional substrates, recent studies have demonstrated that focal adhesions are not required for cells moving in three dimensions, in which confinement is sufficient to maintain a cell in contact with its substrate. Here, we review the investigations that have led to challenging the requirement of specific adhesions for migration, discuss the physical mechanisms proposed for cell body translocation during focal adhesion-independent migration, and highlight the remaining open questions for the future.
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Affiliation(s)
- Ewa K Paluch
- MRC Laboratory for Molecular Cell Biology, University College London, London, United Kingdom WC1E 6BT; .,Institute for the Physics of Living Systems, University College London, London, United Kingdom, WC1E 6BT
| | - Irene M Aspalter
- MRC Laboratory for Molecular Cell Biology, University College London, London, United Kingdom WC1E 6BT; .,Institute for the Physics of Living Systems, University College London, London, United Kingdom, WC1E 6BT
| | - Michael Sixt
- Institute of Science and Technology Austria (IST Austria), 3400 Klosterneuburg, Austria
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47
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McGregor AL, Hsia CR, Lammerding J. Squish and squeeze-the nucleus as a physical barrier during migration in confined environments. Curr Opin Cell Biol 2016; 40:32-40. [PMID: 26895141 PMCID: PMC4887392 DOI: 10.1016/j.ceb.2016.01.011] [Citation(s) in RCA: 139] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 01/23/2016] [Indexed: 01/22/2023]
Abstract
From embryonic development to cancer metastasis, cell migration plays a central role in health and disease. It is increasingly becoming apparent that cells migrating in three-dimensional (3-D) environments exhibit some striking differences compared with their well-established 2-D counterparts. One key finding is the significant role the nucleus plays during 3-D migration: when cells move in confined spaces, the cell body and nucleus must deform to squeeze through available spaces, and the deformability of the large and relatively rigid nucleus can become rate-limiting. In this review, we highlight recent findings regarding the role of nuclear mechanics in 3-D migration, including factors that govern nuclear deformability, and emerging mechanisms by which cells apply cytoskeletal forces to the nucleus to facilitate nuclear translocation. Intriguingly, the 'physical barrier' imposed by the nucleus also impacts cytoplasmic dynamics that affect cell migration and signaling, and changes in nuclear structure resulting from the mechanical forces acting on the nucleus during 3-D migration could further alter cellular function. These findings have broad relevance to the migration of both normal and cancerous cells inside living tissues, and motivate further research into the molecular details by which cells move their nuclei, as well as the consequences of the mechanical stress on the nucleus.
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Affiliation(s)
- Alexandra Lynn McGregor
- Nancy C. and Peter E. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA; Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
| | - Chieh-Ren Hsia
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA; Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
| | - Jan Lammerding
- Nancy C. and Peter E. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA; Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA.
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48
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Spagnol ST, Armiger TJ, Dahl KN. Mechanobiology of Chromatin and the Nuclear Interior. Cell Mol Bioeng 2016; 9:268-276. [PMID: 28163791 PMCID: PMC5289645 DOI: 10.1007/s12195-016-0444-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 05/03/2016] [Indexed: 02/06/2023] Open
Abstract
The view of the cell nucleus has evolved from an isolated, static organelle to a dynamic structure integrated with other mechanical elements of the cell. Both dynamics and integration appear to contribute to a mechanical regulation of genome expression. Here, we review physical structures inside the nucleus at different length scales and the dynamic reorganization modulated by cellular forces. First, we discuss nuclear organization focusing on self-assembly and disassembly of DNA structures and various nuclear bodies. We then discuss the importance of connections from the chromatin fiber through the nuclear envelope to the rest of the cell as they relate to mechanobiology. Finally, we discuss how cell stimulation, both chemical and physical, can alter nuclear structures and ultimately cellular function in healthy cells and in some model diseases. The view of chromatin and nuclear bodies as mechanical entities integrated with force generation from the cytoskeleton combines polymer physics with cell biology and medicine.
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Affiliation(s)
- Stephen T. Spagnol
- Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15213, USA
| | - Travis J. Armiger
- Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15213, USA
| | - Kris Noel Dahl
- Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15213, USA
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, USA
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49
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Raab M, Gentili M, de Belly H, Thiam HR, Vargas P, Jimenez AJ, Lautenschlaeger F, Voituriez R, Lennon-Duménil AM, Manel N, Piel M. ESCRT III repairs nuclear envelope ruptures during cell migration to limit DNA damage and cell death. Science 2016; 352:359-62. [PMID: 27013426 DOI: 10.1126/science.aad7611] [Citation(s) in RCA: 611] [Impact Index Per Article: 76.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 02/25/2016] [Indexed: 12/18/2022]
Abstract
In eukaryotic cells, the nuclear envelope separates the genomic DNA from the cytoplasmic space and regulates protein trafficking between the two compartments. This barrier is only transiently dissolved during mitosis. Here, we found that it also opened at high frequency in migrating mammalian cells during interphase, which allowed nuclear proteins to leak out and cytoplasmic proteins to leak in. This transient opening was caused by nuclear deformation and was rapidly repaired in an ESCRT (endosomal sorting complexes required for transport)-dependent manner. DNA double-strand breaks coincided with nuclear envelope opening events. As a consequence, survival of cells migrating through confining environments depended on efficient nuclear envelope and DNA repair machineries. Nuclear envelope opening in migrating leukocytes could have potentially important consequences for normal and pathological immune responses.
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Affiliation(s)
- M Raab
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France. Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - M Gentili
- Institut Curie, PSL Research University, INSERM, U 932, F-75005 Paris, France
| | - H de Belly
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France
| | - H R Thiam
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France
| | - P Vargas
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France. Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - A J Jimenez
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France
| | - F Lautenschlaeger
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France
| | - Raphaël Voituriez
- Laboratoire de Physique Théorique de la Matière Condensée, CNRS UMR 7600, Université Pierre et Marie Curie, Paris, France. Laboratoire Jean Perrin, CNRS UMR 8237, Université Pierre et Marie Curie, Paris, France
| | - A M Lennon-Duménil
- Institut Curie, PSL Research University, INSERM, U 932, F-75005 Paris, France
| | - N Manel
- Institut Curie, PSL Research University, INSERM, U 932, F-75005 Paris, France
| | - M Piel
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France. Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France.
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50
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Perinuclear Arp2/3-driven actin polymerization enables nuclear deformation to facilitate cell migration through complex environments. Nat Commun 2016; 7:10997. [PMID: 26975831 PMCID: PMC4796365 DOI: 10.1038/ncomms10997] [Citation(s) in RCA: 230] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 02/09/2016] [Indexed: 12/27/2022] Open
Abstract
Cell migration has two opposite faces: although necessary for physiological processes such as immune responses, it can also have detrimental effects by enabling metastatic cells to invade new organs. In vivo, migration occurs in complex environments and often requires a high cellular deformability, a property limited by the cell nucleus. Here we show that dendritic cells, the sentinels of the immune system, possess a mechanism to pass through micrometric constrictions. This mechanism is based on a rapid Arp2/3-dependent actin nucleation around the nucleus that disrupts the nuclear lamina, the main structure limiting nuclear deformability. The cells' requirement for Arp2/3 to pass through constrictions can be relieved when nuclear stiffness is decreased by suppressing lamin A/C expression. We propose a new role for Arp2/3 in three-dimensional cell migration, allowing fast-moving cells such as leukocytes to rapidly and efficiently migrate through narrow gaps, a process probably important for their function.
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