1
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Cho Y, Doh J. The extracellular matrix in solid tumor immunotherapy. Trends Immunol 2024; 45:705-714. [PMID: 39164157 DOI: 10.1016/j.it.2024.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 07/26/2024] [Accepted: 07/26/2024] [Indexed: 08/22/2024]
Abstract
The extracellular matrix (ECM) of solid tumors impacts the antitumor activities of CD8+ T and natural killer (NK) cells in a variety of ways. Cell motility is restricted by the tumor ECM which creates physical barriers. The tumor ECM directly alter the phenotypes and functions of cytotoxic lymphocytes, and indirectly influences immunological synapse-mediated interactions between cytotoxic lymphocytes and cancer cells. Therefore, strategies to improve solid tumor immunotherapy should be established by considering complex ternary interactions between cytotoxic lymphocytes, cancer cells, and the tumor ECM. Novel bioengineering tools approximating key characteristics of the tumor ECM, such as in vitro reconstituted 3D ECMs and microfluidics are valuable from a fundamental study viewpoint and from a translational perspective, aiming to enable systematic screening approaches.
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Affiliation(s)
- Yongbum Cho
- Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, South Korea
| | - Junsang Doh
- Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, South Korea; Department of Materials Science and Engineering, Institute of Engineering Research, BioMAX, Soft Foundry Institute, Seoul National University, Seoul, South Korea.
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2
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Honda G, Sawai S. Analyzing the Micro-topography Guidance of Dictyostelium Cells Using Microfabricated Structures. Methods Mol Biol 2024; 2814:149-161. [PMID: 38954204 DOI: 10.1007/978-1-0716-3894-1_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Over the last decade, the use of microfabricated substrates has proven pivotal for studying the effect of substrate topography on cell deformation and migration. Microfabrication techniques allow one to construct a transparent substrate with topographic features with high designability and reproducibility and thus well suited to experiments that microscopically address how spatial and directional bias are brought about in the cytoskeletal machineries and hence cell motility. While much of the progress in this avenue of study has so far been made in adhesive cells of epithelial and mesenchymal nature, whether related phenomena exist in less adhesive fast migrating cells is relatively unknown. In this chapter, we describe a method that makes use of micrometer-scale ridges to study fast-migrating Dictyostelium cells where it was recently shown that membrane evagination associated with macropinocytic cup formation plays a pivotal role in the topography sensing. The method requires only basic photolithography, and thus the step-by-step protocol should be a good entry point for cell biologists looking to incorporate similar microfabrication approaches.
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Affiliation(s)
- Gen Honda
- Komaba Institute for Science, Graduate School of Arts and Sciences, The University of Tokyo, Meguro, Tokyo, Japan
| | - Satoshi Sawai
- Department of Basic Science, Graduate School of Arts and Sciences, University of Tokyo, Meguro-ku, Tokyo, Japan.
- Research Center for Complex Systems Biology, University of Tokyo, Meguro-ku, Tokyo, Japan.
- Universal Biological Institute, University of Tokyo, Bunkyo-ku, Tokyo, Japan.
- Department of Biology, Graduate School of Science, University of Tokyo, Bunkyo-ku, Tokyo, Japan.
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3
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Clausen BE, Amon L, Backer RA, Berod L, Bopp T, Brand A, Burgdorf S, Chen L, Da M, Distler U, Dress RJ, Dudziak D, Dutertre CA, Eich C, Gabele A, Geiger M, Ginhoux F, Giusiano L, Godoy GJ, Hamouda AEI, Hatscher L, Heger L, Heidkamp GF, Hernandez LC, Jacobi L, Kaszubowski T, Kong WT, Lehmann CHK, López-López T, Mahnke K, Nitsche D, Renkawitz J, Reza RA, Sáez PJ, Schlautmann L, Schmitt MT, Seichter A, Sielaff M, Sparwasser T, Stoitzner P, Tchitashvili G, Tenzer S, Tochoedo NR, Vurnek D, Zink F, Hieronymus T. Guidelines for mouse and human DC functional assays. Eur J Immunol 2023; 53:e2249925. [PMID: 36563126 DOI: 10.1002/eji.202249925] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 12/24/2022]
Abstract
This article is part of the Dendritic Cell Guidelines article series, which provides a collection of state-of-the-art protocols for the preparation, phenotype analysis by flow cytometry, generation, fluorescence microscopy, and functional characterization of mouse and human dendritic cells (DC) from lymphoid organs and various non-lymphoid tissues. Recent studies have provided evidence for an increasing number of phenotypically distinct conventional DC (cDC) subsets that on one hand exhibit a certain functional plasticity, but on the other hand are characterized by their tissue- and context-dependent functional specialization. Here, we describe a selection of assays for the functional characterization of mouse and human cDC. The first two protocols illustrate analysis of cDC endocytosis and metabolism, followed by guidelines for transcriptomic and proteomic characterization of cDC populations. Then, a larger group of assays describes the characterization of cDC migration in vitro, ex vivo, and in vivo. The final guidelines measure cDC inflammasome and antigen (cross)-presentation activity. While all protocols were written by experienced scientists who routinely use them in their work, this article was also peer-reviewed by leading experts and approved by all co-authors, making it an essential resource for basic and clinical DC immunologists.
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Affiliation(s)
- Björn E Clausen
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute for Molecular Medicine, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Lukas Amon
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Ronald A Backer
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute for Molecular Medicine, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Luciana Berod
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Molecular Medicine, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Tobias Bopp
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Immunology, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
| | - Anna Brand
- Institute for Molecular Medicine, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Sven Burgdorf
- Laboratory of Cellular Immunology, LIMES Institute, University of Bonn, Bonn, Germany
| | - Luxia Chen
- Department of Dermatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Meihong Da
- Department of Dermatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Ute Distler
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Immunology, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
| | - Regine J Dress
- Institute of Systems Immunology, Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Diana Dudziak
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
- Medical Immunology Campus Erlangen (MICE), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Germany
| | - Charles-Antoine Dutertre
- Gustave Roussy Cancer Campus, Villejuif, France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France
| | - Christina Eich
- Institute for Molecular Medicine, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Anna Gabele
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Immunology, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
| | - Melanie Geiger
- Institute for Biomedical Engineering, Department of Cell Biology, RWTH Aachen University, Medical Faculty, Aachen, Germany
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Florent Ginhoux
- Gustave Roussy Cancer Campus, Villejuif, France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research, Singapore, Singapore
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Lucila Giusiano
- Institute of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Gloria J Godoy
- Institute of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Ahmed E I Hamouda
- Institute for Biomedical Engineering, Department of Cell Biology, RWTH Aachen University, Medical Faculty, Aachen, Germany
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Lukas Hatscher
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Lukas Heger
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Gordon F Heidkamp
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Lola C Hernandez
- Cell Communication and Migration Laboratory, Institute of Biochemistry and Molecular Cell Biology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lukas Jacobi
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Tomasz Kaszubowski
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Wan Ting Kong
- Gustave Roussy Cancer Campus, Villejuif, France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France
| | - Christian H K Lehmann
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
- Medical Immunology Campus Erlangen (MICE), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Germany
| | - Tamara López-López
- Cell Communication and Migration Laboratory, Institute of Biochemistry and Molecular Cell Biology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Karsten Mahnke
- Department of Dermatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Dominik Nitsche
- Laboratory of Cellular Immunology, LIMES Institute, University of Bonn, Bonn, Germany
| | - Jörg Renkawitz
- Biomedical Center (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, LMU Munich, Munich, Germany
| | - Rifat A Reza
- Biomedical Center (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, LMU Munich, Munich, Germany
| | - Pablo J Sáez
- Cell Communication and Migration Laboratory, Institute of Biochemistry and Molecular Cell Biology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Laura Schlautmann
- Laboratory of Cellular Immunology, LIMES Institute, University of Bonn, Bonn, Germany
| | - Madeleine T Schmitt
- Biomedical Center (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, LMU Munich, Munich, Germany
| | - Anna Seichter
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Malte Sielaff
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Immunology, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
| | - Tim Sparwasser
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Patrizia Stoitzner
- Department of Dermatology, Venerology & Allergology, Medical University Innsbruck, Innsbruck, Austria
| | - Giorgi Tchitashvili
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Stefan Tenzer
- Research Center for Immunotherapy (FZI), University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Institute of Immunology, Paul Klein Center for Immune Intervention, University Medical Center of the Johannes-Gutenberg University Mainz, Mainz, Germany
- Helmholtz Institute for Translational Oncology Mainz (HI-TRON Mainz), Mainz, Germany
| | - Nounagnon R Tochoedo
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Damir Vurnek
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Germany
| | - Fabian Zink
- Laboratory of Cellular Immunology, LIMES Institute, University of Bonn, Bonn, Germany
| | - Thomas Hieronymus
- Institute for Biomedical Engineering, Department of Cell Biology, RWTH Aachen University, Medical Faculty, Aachen, Germany
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
- Institute of Cell and Tumor Biology, RWTH Aachen University, Medical Faculty, Germany
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4
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Liu Y, Yi Y, Zhong C, Ma Z, Wang H, Dong X, Yu F, Li J, Chen Q, Lin C, Li X. Advanced bioactive nanomaterials for diagnosis and treatment of major chronic diseases. Front Mol Biosci 2023; 10:1121429. [PMID: 36776741 PMCID: PMC9909026 DOI: 10.3389/fmolb.2023.1121429] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/17/2023] [Indexed: 01/27/2023] Open
Abstract
With the rapid innovation of nanoscience and technology, nanomaterials have also been deeply applied in the medical and health industry and become one of the innovative methods to treat many diseases. In recent years, bioactive nanomaterials have attracted extensive attention and have made some progress in the treatment of some major chronic diseases, such as nervous system diseases and various malignant tumors. Bioactive nanomaterials depend on their physical and chemical properties (crystal structure, surface charge, surface functional groups, morphology, and size, etc.) and direct produce biological activity and play to the role of the treatment of diseases, compared with the traditional nanometer pharmaceutical preparations, biological active nano materials don't exert effects through drug release, way more directly, also is expected to be more effective for the treatment of diseases. However, further studies are needed in the evaluation of biological effects, fate in vivo, structure-activity relationship and clinical transformation of bionanomaterials. Based on the latest research reports, this paper reviews the application of bioactive nanomaterials in the diagnosis and treatment of major chronic diseases and analyzes the technical challenges and key scientific issues faced by bioactive nanomaterials in the diagnosis and treatment of diseases, to provide suggestions for the future development of this field.
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Affiliation(s)
- Yongfei Liu
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Yi Yi
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China,*Correspondence: Yi Yi,
| | - Chengqian Zhong
- Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Zecong Ma
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Haifeng Wang
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Xingmo Dong
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Feng Yu
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Jing Li
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Qinqi Chen
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Chaolu Lin
- Department of Urology, Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
| | - Xiaohong Li
- Longyan First Hospital Affiliated to Fujian Medical University, Longyan, China
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5
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Wheatley BA, Rey-Suarez I, Hourwitz MJ, Kerr S, Shroff H, Fourkas JT, Upadhyaya A. Nanotopography modulates cytoskeletal organization and dynamics during T cell activation. Mol Biol Cell 2022; 33:ar88. [PMID: 35830602 PMCID: PMC9582624 DOI: 10.1091/mbc.e21-12-0601] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Exposure to MHC-antigen complexes on the surface of antigen-presenting cells (APCs) activates T cells, inducing the formation of the immune synapse (IS). Antigen detection at the APC surface is thus a critical step in the adaptive immune response. The physical properties of antigen-presenting surfaces encountered by T cells in vivo are believed to modulate T cell activation and proliferation. Although stiffness and ligand mobility influence IS formation, the effect of the complex topography of the APC surface on this process is not well understood. Here we investigate how nanotopography modulates cytoskeletal dynamics and signaling during the early stages of T cell activation using high-resolution fluorescence microscopy on nanofabricated surfaces with parallel nanoridges of different spacings. We find that although nanoridges reduce the maximum spread area as compared with cells on flat surfaces, the ridges enhance the accumulation of actin and the signaling kinase ZAP-70 at the IS. Actin polymerization is more dynamic in the presence of ridges, which influence the directionality of both actin flows and microtubule (MT) growth. Our results demonstrate that the topography of the activating surface exerts both global effects on T cell morphology and local changes in actin and MT dynamics, collectively influencing T cell signaling.
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Affiliation(s)
- Brittany A Wheatley
- Department of Integrative Structural and Computational Biology and.,Skaggs Graduate School of Chemical and Biological Sciences, The Scripps Research Institute, Jupiter, FL 33458
| | - Ivan Rey-Suarez
- Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742
| | - Matt J Hourwitz
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742
| | - Sarah Kerr
- Department of Physics, University of Colorado, Boulder, CO 80302
| | - Hari Shroff
- National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD 20892
| | - John T Fourkas
- Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742.,Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742.,Maryland Quantum Materials Center, University of Maryland, College Park, MD 20742
| | - Arpita Upadhyaya
- Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742.,Department of Physics, University of Maryland, College Park, MD 20742
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6
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Choi Y, Sunkara V, Lee Y, Cho YK. Exhausted mature dendritic cells exhibit a slower and less persistent random motility but retain chemotaxis against CCL19. LAB ON A CHIP 2022; 22:377-386. [PMID: 34927189 DOI: 10.1039/d1lc00876e] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Dendritic cells (DCs), which are immune sentinels in the peripheral tissues, play a number of roles, including patrolling for pathogens, internalising antigens, transporting antigens to the lymph nodes (LNs), interacting with T cells, and secreting cytokines. The well-coordinated migration of DCs under various immunological or inflammatory conditions is therefore essential to ensure an effective immune response. Upon maturation, DCs migrate faster and more persistently than immature DCs (iDCs), which is believed to facilitate CCR7-dependent chemotaxis. It has been reported that lipopolysaccharide-activated DCs produce IL-12 only transiently, and become resistant to further stimulation through exhaustion. However, little is known about the influence of DC exhaustion on cellular motility. Here, we studied the cellular migration of exhausted DCs in tissue-mimicked confined environments. We found that the speed of exhausted matured DCs (xmDCs) decreased significantly compared to active matured DCs (amDCs) and iDCs. In contrast, the speed fluctuation increased compared to that of amDCs and was similar to that of iDCs. In addition, the diffusivity of the xmDCs was significantly lower than that of the amDCs, which implies that DC exhaustion reduces the space exploration ability. Interestingly, CCR7-dependent chemotaxis against CCL19 in xmDCs was not considerably different from that observed in amDCs. Taken together, we report a unique intrinsic cell migration behaviour of xmDCs, which exhibit a slower, less persistent, and less diffusive random motility, which results in the DCs remaining at the site of infection, although a well-preserved CCR7-dependent chemotactic motility is maintained.
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Affiliation(s)
- Yongjun Choi
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
| | - Vijaya Sunkara
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
| | - Yeojin Lee
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
| | - Yoon-Kyoung Cho
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
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7
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Microtopographical guidance of macropinocytic signaling patches. Proc Natl Acad Sci U S A 2021; 118:2110281118. [PMID: 34876521 PMCID: PMC8685668 DOI: 10.1073/pnas.2110281118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2021] [Indexed: 12/28/2022] Open
Abstract
Morphologies of amoebae and immune cells are highly deformable and dynamic, which facilitates migration in various terrains, as well as ingestion of extracellular solutes and particles. It remains largely unexplored whether and how the underlying membrane protrusions are triggered and guided by the geometry of the surface in contact. In this study, we show that in Dictyostelium, the precursor of a structure called macropinocytic cup, which has been thought to be a constitutive process for the uptake of extracellular fluid, is triggered by micrometer-scale surface features. Imaging analysis and computational simulations demonstrate how the topographical dependence of the self-organizing dynamics supports efficient guidance and capturing of the membrane protrusion and hence movement of an entire cell along such surface features. In fast-moving cells such as amoeba and immune cells, dendritic actin filaments are spatiotemporally regulated to shape large-scale plasma membrane protrusions. Despite their importance in migration, as well as in particle and liquid ingestion, how their dynamics are affected by micrometer-scale features of the contact surface is still poorly understood. Here, through quantitative image analysis of Dictyostelium on microfabricated surfaces, we show that there is a distinct mode of topographical guidance directed by the macropinocytic membrane cup. Unlike other topographical guidance known to date that depends on nanometer-scale curvature sensing protein or stress fibers, the macropinocytic membrane cup is driven by the Ras/PI3K/F-actin signaling patch and its dependency on the micrometer-scale topographical features, namely PI3K/F-actin–independent accumulation of Ras-GTP at the convex curved surface, PI3K-dependent patch propagation along the convex edge, and its actomyosin-dependent constriction at the concave edge. Mathematical model simulations demonstrate that the topographically dependent initiation, in combination with the mutually defining patch patterning and the membrane deformation, gives rise to the topographical guidance. Our results suggest that the macropinocytic cup is a self-enclosing structure that can support liquid ingestion by default; however, in the presence of structured surfaces, it is directed to faithfully trace bent and bifurcating ridges for particle ingestion and cell guidance.
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8
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Zhao Y, Zhang Z, Pan Z, Liu Y. Advanced bioactive nanomaterials for biomedical applications. EXPLORATION (BEIJING, CHINA) 2021; 1:20210089. [PMID: 37323697 PMCID: PMC10191050 DOI: 10.1002/exp.20210089] [Citation(s) in RCA: 143] [Impact Index Per Article: 47.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Bioactive materials are a kind of materials with unique bioactivities, which can change the cellular behaviors and elicit biological responses from living tissues. Bioactive materials came into the spotlight in the late 1960s when the researchers found that the materials such as bioglass could react with surrounding bone tissue for bone regeneration. In the following decades, advances in nanotechnology brought the new development opportunities to bioactive nanomaterials. Bioactive nanomaterials are not a simple miniaturization of macroscopic materials. They exhibit unique bioactivities due to their nanoscale size effect, high specific surface area, and precise nanostructure, which can significantly influence the interactions with biological systems. Nowadays, bioactive nanomaterials have represented an important and exciting area of research. Current and future applications ensure that bioactive nanomaterials have a high academic and clinical importance. This review summaries the recent advances in the field of bioactive nanomaterials, and evaluate the influence factors of bioactivities. Then, a range of bioactive nanomaterials and their potential biomedical applications are discussed. Furthermore, the limitations, challenges, and future opportunities of bioactive nanomaterials are also discussed.
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Affiliation(s)
- Yu Zhao
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
| | - Zhanzhan Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
| | - Zheng Pan
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
| | - Yang Liu
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
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Choi Y, Kwon JE, Cho YK. Dendritic Cell Migration Is Tuned by Mechanical Stiffness of the Confining Space. Cells 2021; 10:3362. [PMID: 34943870 PMCID: PMC8699733 DOI: 10.3390/cells10123362] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 12/25/2022] Open
Abstract
The coordination of cell migration of immune cells is a critical aspect of the immune response to pathogens. Dendritic cells (DCs), the sentinels of the immune system, are exposed to complex tissue microenvironments with a wide range of stiffnesses. Recent studies have revealed the importance of mechanical cues in immune cell trafficking in confined 3D environments. However, the mechanism by which stiffness modulates the intrinsic motility of immature DCs remains poorly understood. Here, immature DCs were found to navigate confined spaces in a rapid and persistent manner, surveying a wide range when covered with compliant gels mimicking soft tissues. However, the speed and persistence time of random motility were both decreased by confinement in gels with higher stiffness, mimicking skin or diseased, fibrotic tissue. The impact of stiffness of surrounding tissue is crucial because most in vitro studies to date have been based on cellular locomotion when confined by microfabricated polydimethylsiloxane structures. Our study provides evidence for a role for environmental mechanical stiffness in the surveillance strategy of immature DCs in tissues.
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Affiliation(s)
- Yongjun Choi
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea;
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, Korea
| | - Jae-Eun Kwon
- Department of Material Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea;
| | - Yoon-Kyoung Cho
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea;
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, Korea
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10
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Li X, Klausen LH, Zhang W, Jahed Z, Tsai CT, Li TL, Cui B. Nanoscale Surface Topography Reduces Focal Adhesions and Cell Stiffness by Enhancing Integrin Endocytosis. NANO LETTERS 2021; 21:8518-8526. [PMID: 34346220 PMCID: PMC8516714 DOI: 10.1021/acs.nanolett.1c01934] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Both substrate stiffness and surface topography regulate cell behavior through mechanotransduction signaling pathways. Such intertwined effects suggest that engineered surface topographies might substitute or cancel the effects of substrate stiffness in biomedical applications. However, the mechanisms by which cells recognize topographical features are not fully understood. Here we demonstrate that the presence of nanotopography drastically alters cell behavior such that neurons and stem cells cultured on rigid glass substrates behave as if they were on soft hydrogels. With atomic force microscopy, we show that rigid nanotopography resembles the effects of soft hydrogels in reducing cell stiffness and membrane tension. Further, we reveal that nanotopography reduces focal adhesions and cell stiffness by enhancing the endocytosis and the subsequent removal of integrin receptors. This mechanistic understanding will support the rational design of nanotopography that directs cells on rigid materials to behave as if they were on soft ones.
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Affiliation(s)
- Xiao Li
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Lasse H Klausen
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Wei Zhang
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Zeinab Jahed
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Ching-Ting Tsai
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Thomas L Li
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Bianxiao Cui
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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11
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Fei P, Ding H, Duan Y, Wang X, Hu W, Wu P, Wei M, Peng Z, Gu Z, Chen W. Utility of TPP-manufactured biophysical restrictions to probe multiscale cellular dynamics. Biodes Manuf 2021. [DOI: 10.1007/s42242-021-00163-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractBiophysical restrictions regulate protein diffusion, nucleus deformation, and cell migration, which are all universal and important processes for cells to perform their biological functions. However, current technologies addressing these multiscale questions are extremely limited. Herein, through two-photon polymerization (TPP), we present the precise, low-cost, and multiscale microstructures (micro-fences) as a versatile investigating platform. With nanometer-scale printing resolution and multiscale scanning capacity, TPP is capable of generating micro-fences with sizes of 0.5–1000 μm. These micro-fences are utilized as biophysical restrictions to determine the fluidity of supported lipid bilayers (SLB), to investigate the restricted diffusion of Src family kinase protein Lck on SLB, and also to reveal the mechanical bending of cell nucleus and T cell climbing ability. Taken together, the proposed versatile and low-cost micro-fences have great potential in probing the restricted dynamics of molecules, organelles, and cells to understand the basics of physical biology.
Graphic abstract
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12
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Tan J, Zhang QY, Huang LP, Huang K, Xie HQ. Decellularized scaffold and its elicited immune response towards the host: the underlying mechanism and means of immunomodulatory modification. Biomater Sci 2021; 9:4803-4820. [PMID: 34018503 DOI: 10.1039/d1bm00470k] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The immune response of the host towards a decellularized scaffold is complex. Not only can a number of immune cells influence this process, but also the characteristics, preparation and modification of the decellularized scaffold can significantly impact this reaction. Such factors can, together or alone, trigger immune cells to polarize towards either a pro-healing or pro-inflammatory direction. In this article, we have comprehensively reviewed factors which may influence the immune response of the host towards a decellularized scaffold, including the source of the biomaterial, biophysical properties or modifications of the scaffolds with bioactive peptides, drugs and cytokines. Furthermore, the underlying mechanism has also been recapitulated.
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Affiliation(s)
- Jie Tan
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Qing-Yi Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Li-Ping Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Kai Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
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13
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Engineering T cells to enhance 3D migration through structurally and mechanically complex tumor microenvironments. Nat Commun 2021; 12:2815. [PMID: 33990566 PMCID: PMC8121808 DOI: 10.1038/s41467-021-22985-5] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 04/07/2021] [Indexed: 12/18/2022] Open
Abstract
Defining the principles of T cell migration in structurally and mechanically complex tumor microenvironments is critical to understanding escape from antitumor immunity and optimizing T cell-related therapeutic strategies. Here, we engineered nanotextured elastic platforms to study and enhance T cell migration through complex microenvironments and define how the balance between contractility localization-dependent T cell phenotypes influences migration in response to tumor-mimetic structural and mechanical cues. Using these platforms, we characterize a mechanical optimum for migration that can be perturbed by manipulating an axis between microtubule stability and force generation. In 3D environments and live tumors, we demonstrate that microtubule instability, leading to increased Rho pathway-dependent cortical contractility, promotes migration whereas clinically used microtubule-stabilizing chemotherapies profoundly decrease effective migration. We show that rational manipulation of the microtubule-contractility axis, either pharmacologically or through genome engineering, results in engineered T cells that more effectively move through and interrogate 3D matrix and tumor volumes. Thus, engineering cells to better navigate through 3D microenvironments could be part of an effective strategy to enhance efficacy of immune therapeutics. The mechanics of the migration of T cells into tumours is an important aspect of tumour immunity. Here the authors engineer complex 3D environments to explore functions of microtubules and cell contractility as strategies to enhance T cell migration in tumour microenvironments.
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14
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Şen Ö, Emanet M, Ciofani G. Nanotechnology-Based Strategies to Evaluate and Counteract Cancer Metastasis and Neoangiogenesis. Adv Healthc Mater 2021; 10:e2002163. [PMID: 33763992 PMCID: PMC7610913 DOI: 10.1002/adhm.202002163] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/11/2021] [Indexed: 12/15/2022]
Abstract
Cancer metastasis is the major cause of cancer-related morbidity and mortality. It represents one of the greatest challenges in cancer therapy, both because of the ability of metastatic cells to spread into different organs, and because of the consequent heterogeneity that characterizes primary and metastatic tumors. Nanomaterials can potentially be used as targeting or detection agents owing to unique chemical and physical features that allow tailored and tunable theranostic functions. This review highlights nanomaterial-based approaches in the detection and treatment of cancer metastasis, with a special focus on the evaluation of nanostructure effects on cell migration, invasion, and angiogenesis in the tumor microenvironment.
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Affiliation(s)
- Özlem Şen
- Istituto Italiano di TecnologiaSmart Bio‐InterfacesViale Rinaldo Piaggio 34PontederaPisa56025Italy
| | - Melis Emanet
- Istituto Italiano di TecnologiaSmart Bio‐InterfacesViale Rinaldo Piaggio 34PontederaPisa56025Italy
- Sabanci University Nanotechnology Research and Application Center (SUNUM)Sabanci UniversityUniversite Caddesi 27‐1TuzlaIstanbul34956Turkey
| | - Gianni Ciofani
- Istituto Italiano di TecnologiaSmart Bio‐InterfacesViale Rinaldo Piaggio 34PontederaPisa56025Italy
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15
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Leclech C, Barakat AI. Is there a universal mechanism of cell alignment in response to substrate topography? Cytoskeleton (Hoboken) 2021; 78:284-292. [PMID: 33843154 DOI: 10.1002/cm.21661] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/05/2021] [Accepted: 04/01/2021] [Indexed: 12/20/2022]
Abstract
Cell alignment and elongation in the direction of anisotropic and aligned topographies are key manifestations of cellular contact guidance and are observed in many cell types. Whether this observation occurs through a universal mechanism remains to be established. In this Views article, we begin by presenting the most widely accepted model of topography-driven cell alignment which posits that anisotropic topographies impose lateral constraints on the growth of focal adhesions and actin stress fibers, thereby driving anisotropic force generation and cellular elongation and alignment. We then discuss particular scenarios where alternative or complementary mechanisms of cell alignment appear to be at play. These include the cases of specific cell types such as amoeboid-like cells and neurons as well as certain topography sizes. Finally, we review the role of the actin cytoskeleton in modulating topography-driven cell alignment and underscore the need for elucidating the role that other cytoskeletal elements play. We close by identifying key open questions the responses to which will significantly enhance our understanding of the role of cellular contact guidance in health and disease.
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Affiliation(s)
- Claire Leclech
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
| | - Abdul I Barakat
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
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16
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Zhang W, Yang Y, Cui B. New perspectives on the roles of nanoscale surface topography in modulating intracellular signaling. CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE 2021; 25:100873. [PMID: 33364912 PMCID: PMC7751896 DOI: 10.1016/j.cossms.2020.100873] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The physical properties of biomaterials, such as elasticity, stiffness, and surface nanotopography, are mechanical cues that regulate a broad spectrum of cell behaviors, including migration, differentiation, proliferation, and reprogramming. Among them, nanoscale surface topography, i.e. nanotopography, defines the nanoscale shape and spatial arrangement of surface elements, which directly interact with the cell membranes and stimulate changes in the cell signaling pathways. In biological systems, the effects of nanotopography are often entangled with those of other mechanical and biochemical factors. Precise engineering of 2D nanopatterns and 3D nanostructures with well-defined features has provided a powerful means to study the cellular responses to specific topographic features. In this Review, we discuss efforts in the last three years to understand how nanotopography affects membrane receptor activation, curvature-induced cell signaling, and stem cell differentiation.
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Affiliation(s)
| | | | - Bianxiao Cui
- Department of Chemistry, Stanford University, ChEM-H/Wu Tsai Neuroscience Research Complex, S285, 290 Jane Stanford Way, Stanford, CA, 94305, United States
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17
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Leclech C, Villard C. Cellular and Subcellular Contact Guidance on Microfabricated Substrates. Front Bioeng Biotechnol 2020; 8:551505. [PMID: 33195116 PMCID: PMC7642591 DOI: 10.3389/fbioe.2020.551505] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 09/21/2020] [Indexed: 12/14/2022] Open
Abstract
Topography of the extracellular environment is now recognized as a major biophysical regulator of cell behavior and function. The study of the influence of patterned substrates on cells, named contact guidance, has greatly benefited from the development of micro and nano-fabrication techniques, allowing the emergence of increasingly diverse and elaborate engineered platforms. The purpose of this review is to provide a comprehensive view of the process of contact guidance from cellular to subcellular scales. We first classify and illustrate the large diversity of topographies reported in the literature by focusing on generic cellular responses to diverse topographical cues. Subsequently, and in a complementary fashion, we adopt the opposite approach and highlight cell type-specific responses to classically used topographies (arrays of pillars or grooves). Finally, we discuss recent advances on the key subcellular and molecular players involved in topographical sensing. Throughout the review, we focus particularly on neuronal cells, whose unique morphology and behavior have inspired a large body of studies in the field of topographical sensing and revealed fascinating cellular mechanisms. We conclude by using the current understanding of the cell-topography interactions at different scales as a springboard for identifying future challenges in the field of contact guidance.
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Affiliation(s)
- Claire Leclech
- Hydrodynamics Laboratory, CNRS UMR 7646, Ecole Polytechnique, Palaiseau, France
| | - Catherine Villard
- Physico-Chimie Curie, CNRS UMR 168, Université PSL, Sorbonne Université, Paris, France
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18
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Li M, Fu X, Gao H, Ji Y, Li J, Wang Y. Regulation of an osteon-like concentric microgrooved surface on osteogenesis and osteoclastogenesis. Biomaterials 2019; 216:119269. [DOI: 10.1016/j.biomaterials.2019.119269] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 06/04/2019] [Accepted: 06/08/2019] [Indexed: 12/22/2022]
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19
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Park H, Doh J. T cell migration in microchannels densely packed with T cells. Sci Rep 2019; 9:7198. [PMID: 31076592 PMCID: PMC6510777 DOI: 10.1038/s41598-019-43569-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 04/23/2019] [Indexed: 01/22/2023] Open
Abstract
T cells migrate diverse microenvironments of the body to mount antigen-specific immune responses. T cell activation, a key initial process for antigen-specific immune responses, occur in secondary lymphoid organs such as spleens and lymph nodes where high density of T cells migrates rapidly through the reticular networks formed by stromal cells. In vitro model system recapitulating key characteristics of secondary lymphoid organs, confined spaces densely packed with rapidly migrating cells, would be useful to investigate mechanisms of T cell migration. In this study, we devised a method to fabricate microchannels densely packed with T cells. Microchannel arrays with fixed height (4 μm) and length (1.5 mm) and various widths (15~80 μm) were fabricated in between trapezoid-shaped reservoirs that facilitated T cell sedimentation near microchannel entries. Microchannel surface chemistry and filling time were optimized to achieve high packing density (0.89) of T cell filling within microchannels. Particle image velocimetry (PIV) analysis method was employed to extract velocity field of microchannels densely packed with T cells. Using velocity field information, various motility parameters were further evaluated to quantitatively assess the effects of microchannel width and media tonicity on T cell motility within cell dense microenvironments.
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Affiliation(s)
- HyoungJun Park
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea
| | - Junsang Doh
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea. .,School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 37673, Korea. .,Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
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20
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Garcia-Arcos JM, Chabrier R, Deygas M, Nader G, Barbier L, Sáez PJ, Mathur A, Vargas P, Piel M. Reconstitution of cell migration at a glance. J Cell Sci 2019; 132:132/4/jcs225565. [PMID: 30745333 DOI: 10.1242/jcs.225565] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Single cells migrate in a myriad of physiological contexts, such as tissue patrolling by immune cells, and during neurogenesis and tissue remodeling, as well as in metastasis, the spread of cancer cells. To understand the basic principles of single-cell migration, a reductionist approach can be taken. This aims to control and deconstruct the complexity of different cellular microenvironments into simpler elementary constrains that can be recombined together. This approach is the cell microenvironment equivalent of in vitro reconstituted systems that combine elementary molecular players to understand cellular functions. In this Cell Science at a Glance article and accompanying poster, we present selected experimental setups that mimic different events that cells undergo during migration in vivo These include polydimethylsiloxane (PDMS) devices to deform whole cells or organelles, micro patterning, nano-fabricated structures like grooves, and compartmentalized collagen chambers with chemical gradients. We also outline the main contribution of each technique to the understanding of different aspects of single-cell migration.
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Affiliation(s)
- Juan Manuel Garcia-Arcos
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - Renaud Chabrier
- Institut Curie, PSL Research University, CNRS UMR3348, F-91405 Orsay, France
| | - Mathieu Deygas
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - Guilherme Nader
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - Lucie Barbier
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - Pablo José Sáez
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - Aastha Mathur
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Institut Pierre-Gilles de Gennes, PSL Research University, F-75005 Paris, France
| | - Pablo 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
| | - Matthieu 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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21
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Witzel II, Nasser R, Garcia-Sabaté A, Sapudom J, Ma C, Chen W, Teo JCM. Deconstructing Immune Microenvironments of Lymphoid Tissues for Reverse Engineering. Adv Healthc Mater 2019; 8:e1801126. [PMID: 30516005 DOI: 10.1002/adhm.201801126] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 10/25/2018] [Indexed: 01/01/2023]
Abstract
The immune microenvironment presents a diverse panel of cues that impacts immune cell migration, organization, differentiation, and the immune response. Uniquely, both the liquid and solid phases of every specific immune niche within the body play an important role in defining cellular functions in immunity at that particular location. The in vivo immune microenvironment consists of biomechanical and biochemical signals including their gradients, surface topography, dimensionality, modes of ligand presentation, and cell-cell interactions, and the ability to recreate these immune biointerfaces in vitro can provide valuable insights into the immune system. This manuscript reviews the critical roles played by different immune cells and surveys the current progress of model systems for reverse engineering of immune microenvironments with a focus on lymphoid tissues.
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Affiliation(s)
- Ini-Isabée Witzel
- Core Technology Platforms; New York University Abu Dhabi; Saadiyat Campus, P.O. Box 127788 Abu Dhabi UAE
| | - Rasha Nasser
- Laboratory for Immuno Bioengineering Research and Applications (LIBRA); Division of Engineering; New York University Abu Dhabi; Saadiyat Campus, P.O. Box 127788 Abu Dhabi UAE
| | - Anna Garcia-Sabaté
- Laboratory for Immuno Bioengineering Research and Applications (LIBRA); Division of Engineering; New York University Abu Dhabi; Saadiyat Campus, P.O. Box 127788 Abu Dhabi UAE
| | - Jiranuwat Sapudom
- Laboratory for Immuno Bioengineering Research and Applications (LIBRA); Division of Engineering; New York University Abu Dhabi; Saadiyat Campus, P.O. Box 127788 Abu Dhabi UAE
| | - Chao Ma
- Department of Mechanical and Aerospace Engineering; New York University; 6 MetroTech Center Brooklyn NY 11201 USA
| | - Weiqiang Chen
- Department of Mechanical and Aerospace Engineering; New York University; 6 MetroTech Center Brooklyn NY 11201 USA
- Department of Biomedical Engineering; New York University; 6 MetroTech Center Brooklyn NY 11201 USA
| | - Jeremy C. M. Teo
- Laboratory for Immuno Bioengineering Research and Applications (LIBRA); Division of Engineering; New York University Abu Dhabi; Saadiyat Campus, P.O. Box 127788 Abu Dhabi UAE
- Department of Mechanical and Aerospace Engineering; New York University; 6 MetroTech Center Brooklyn NY 11201 USA
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22
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Kim JK, Shin YJ, Ha LJ, Kim DH, Kim DH. Unraveling the Mechanobiology of the Immune System. Adv Healthc Mater 2019; 8:e1801332. [PMID: 30614636 PMCID: PMC7700013 DOI: 10.1002/adhm.201801332] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 12/01/2018] [Indexed: 12/20/2022]
Abstract
Cells respond and actively adapt to environmental cues in the form of mechanical stimuli. This extends to immune cells and their critical role in the maintenance of tissue homeostasis. Multiple recent studies have begun illuminating underlying mechanisms of mechanosensation in modulating immune cell phenotypes. Since the extracellular microenvironment is critical to modify cellular physiology that ultimately determines the functionality of the cell, understanding the interactions between immune cells and their microenvironment is necessary. This review focuses on mechanoregulation of immune responses mediated by macrophages, dendritic cells, and T cells, in the context of modern mechanobiology.
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Affiliation(s)
- Jeong-Ki Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Yu Jung Shin
- Department of Bioengineering, University of Washington, Seattle, WA 98109, USA
| | - Leslie Jaesun Ha
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Deok-Ho Kim
- Department of Bioengineering, University of Washington, Seattle, WA 98109, USA
| | - Dong-Hwee Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
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23
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Mantz A, Pannier AK. Biomaterial substrate modifications that influence cell-material interactions to prime cellular responses to nonviral gene delivery. Exp Biol Med (Maywood) 2019; 244:100-113. [PMID: 30621454 PMCID: PMC6405826 DOI: 10.1177/1535370218821060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
IMPACT STATEMENT This review summarizes how biomaterial substrate modifications (e.g. chemical modifications like natural coatings, ligands, or functional side groups, and/or physical modifications such as topography or stiffness) can prime the cellular response to nonviral gene delivery (e.g. affecting integrin binding and focal adhesion formation, cytoskeletal remodeling, endocytic mechanisms, and intracellular trafficking), to aid in improving gene delivery for applications where a cell-material interface might exist (e.g. tissue engineering scaffolds, medical implants and devices, sensors and diagnostics, wound dressings).
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Affiliation(s)
- Amy Mantz
- Department of Biological Systems Engineering,
University
of Nebraska-Lincoln, Lincoln, NE 68583,
USA
| | - Angela K Pannier
- Department of Biological Systems Engineering,
University
of Nebraska-Lincoln, Lincoln, NE 68583,
USA
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24
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Pathak A. Modeling and predictions of biphasic mechanosensitive cell migration altered by cell-intrinsic properties and matrix confinement. Phys Biol 2018; 15:065001. [DOI: 10.1088/1478-3975/aabdcc] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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25
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Ketchum CM, Sun X, Suberi A, Fourkas JT, Song W, Upadhyaya A. Subcellular topography modulates actin dynamics and signaling in B-cells. Mol Biol Cell 2018; 29:1732-1742. [PMID: 29771636 PMCID: PMC6080708 DOI: 10.1091/mbc.e17-06-0422] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
B-cell signaling activation is most effectively triggered by the binding of B-cell receptors (BCRs) to membrane-bound antigens. In vivo, B-cells encounter antigen on antigen-presenting cells (APC), which possess complex surfaces with convoluted topographies, a fluid membrane and deformable cell bodies. However, whether and how the physical properties of antigen presentation affect B-cell activation is not well understood. Here we use nanotopographic surfaces that allow systematic variation of geometric parameters to show that surface features on a subcellular scale influence B-cell signaling and actin dynamics. Parallel nanoridges with spacings of 3 microns or greater induce actin intensity oscillations on the ventral cell surface. Nanotopography-induced actin dynamics requires BCR signaling, actin polymerization, and myosin contractility. The topography of the stimulatory surface also modulates the distribution of BCR clusters in activated B-cells. Finally, B-cells stimulated on nanopatterned surfaces exhibit intracellular calcium oscillations with frequencies that depend on topography. Our results point to the importance of physical aspects of ligand presentation, in particular, nanotopography for B-cell activation and antigen gathering.
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Affiliation(s)
| | - Xiaoyu Sun
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742
| | - Alexandra Suberi
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742
| | - John T Fourkas
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742.,Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742.,Center for Nanophysics and Advanced Materials, University of Maryland, College Park, MD 20742.,Maryland NanoCenter, University of Maryland, College Park, MD 20742
| | - Wenxia Song
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742
| | - Arpita Upadhyaya
- Biophysics Program, University of Maryland, College Park, MD 20742.,Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742.,Department of Physics, University of Maryland, College Park, MD 20742
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26
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Moreau HD, Piel M, Voituriez R, Lennon-Duménil AM. Integrating Physical and Molecular Insights on Immune Cell Migration. Trends Immunol 2018; 39:632-643. [PMID: 29779848 DOI: 10.1016/j.it.2018.04.007] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 04/18/2018] [Accepted: 04/18/2018] [Indexed: 01/09/2023]
Abstract
The function of most immune cells depends on their ability to migrate through complex microenvironments, either randomly to patrol for the presence of antigens or directionally to reach their next site of action. The actin cytoskeleton and its partners are key conductors of immune cell migration as they control the intrinsic migratory properties of leukocytes as well as their capacity to respond to cues present in their environment. In this review we focus on the latest discoveries regarding the role of the actomyosin cytoskeleton in optimizing immune cell migration in complex environments, with a special focus on recent insights provided by physical modeling.
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Affiliation(s)
- Hélène D Moreau
- INSERM U932, Institut Curie, ANR-10-IDEX-0001-02 PSL* and ANR-11-LABX-0043, Paris, France.
| | - Matthieu 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
| | - Raphaël Voituriez
- Laboratoire Jean Perrin, UM 8237 CNRS/UPMC, 4 place Jussieu, 75005 Paris, France
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27
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Song KH, Lee J, Jung HR, Park H, Doh J. Turning behaviors of T cells climbing up ramp-like structures are regulated by myosin light chain kinase activity and lamellipodia formation. Sci Rep 2017; 7:11533. [PMID: 28912435 PMCID: PMC5599526 DOI: 10.1038/s41598-017-11938-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 09/01/2017] [Indexed: 12/05/2022] Open
Abstract
T cells navigate diverse microenvironments to perform immune responses. Micro-scale topographical structures within the tissues, which may inherently exist in normal tissues or may be formed by inflammation or injury, can influence T cell migration, but how T cell migration is affected by such topographical structures have not been investigated. In this study, we fabricated ramp-like structures with a 5 μm height and various slopes, and observed T cells climbing up the ramp-like structures. T cells encountering the ramp-like structures exhibited MLC accumulation near head-tail junctions contacting the ramp-like structures, and made turns to the direction perpendicular to the ramp-like structures. Pharmacological study revealed that lamellipodia formation mediated by arp2/3 and contractility regulated by myosin light chain kinase (MLCK) were responsible for the intriguing turning behavior of T cells climbing the ramp-like structures. Arp2/3 or MLCK inhibition substantially reduced probability of T cells climbing sharp-edged ramp-like structures, indicating intriguing turning behavior of T cells mediated by lamellipodia formation and MLCK activity may be important for T cells to access inflamed or injured tissues with abrupt topographical changes.
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Affiliation(s)
- Kwang Hoon Song
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea.,Department of Bioengineering, University of Pennsylvania, 210 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Jaehyun Lee
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Hong-Ryul Jung
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - HyoungJun Park
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Junsang Doh
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea. .,School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea.
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28
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Sim JH, Kim KS, Park H, Kim KJ, Lin H, Kim TJ, Shin HM, Kim G, Lee DS, Park CW, Lee DH, Kang I, Kim SJ, Cho CH, Doh J, Kim HR. Differentially Expressed Potassium Channels Are Associated with Function of Human Effector Memory CD8 + T Cells. Front Immunol 2017; 8:859. [PMID: 28791017 PMCID: PMC5522836 DOI: 10.3389/fimmu.2017.00859] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Accepted: 07/07/2017] [Indexed: 12/12/2022] Open
Abstract
The voltage-gated potassium channel, Kv1.3, and the Ca2+-activated potassium channel, KCa3.1, regulate membrane potentials in T cells, thereby controlling T cell activation and cytokine production. However, little is known about the expression and function of potassium channels in human effector memory (EM) CD8+ T cells that can be further divided into functionally distinct subsets based on the expression of the interleukin (IL)-7 receptor alpha (IL-7Rα) chain. Herein, we investigated the functional expression and roles of Kv1.3 and KCa3.1 in EM CD8+ T cells that express high or low levels of the IL-7 receptor alpha chain (IL-7Rαhigh and IL-7Rαlow, respectively). In contrast to the significant activity of Kv1.3 and KCa3.1 in IL-7Rαhigh EM CD8+ T cells, IL-7Rαlow EM CD8+ T cells showed lower expression of Kv1.3 and insignificant expression of KCa3.1. Kv1.3 was involved in the modulation of cell proliferation and IL-2 production, whereas KCa3.1 affected the motility of EM CD8+ T cells. The lower motility of IL-7Rαlow EM CD8+ T cells was demonstrated using transendothelial migration and motility assays with intercellular adhesion molecule 1- and/or chemokine stromal cell-derived factor-1α-coated surfaces. Consistent with the lower migration property, IL-7Rαlow EM CD8+ T cells were found less frequently in human skin. Stimulating IL-7Rαlow EM CD8+ T cells with IL-2 or IL-15 increased their motility and recovery of KCa3.1 activity. Our findings demonstrate that Kv1.3 and KCa3.1 are differentially involved in the functions of EM CD8+ T cells. The weak expression of potassium channels in IL-7Rαlow EM CD8+ T cells can be revived by stimulation with IL-2 or IL-15, which restores the associated functions. This study suggests that IL-7Rαhigh EM CD8+ T cells with functional potassium channels may serve as a reservoir for effector CD8+ T cells during peripheral inflammation.
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Affiliation(s)
- Ji Hyun Sim
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, South Korea
| | - Kyung Soo Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Department of Physiology, Seoul National University College of Medicine, Seoul, South Korea
| | - Hyoungjun Park
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, South Korea
| | - Kyung-Jin Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Department of Pharmacology, Seoul National University College of Medicine, Seoul, South Korea
| | - Haiyue Lin
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Department of Physiology, Seoul National University College of Medicine, Seoul, South Korea
| | - Tae-Joo Kim
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, South Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea
| | - Hyun Mu Shin
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, South Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,BK21Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea.,Medical Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Gwanghun Kim
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, South Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,BK21Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
| | - Dong-Sup Lee
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, South Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,BK21Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
| | - Chan-Wook Park
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, South Korea
| | - Dong Hun Lee
- Department of Dermatology, Seoul National University College of Medicine, Seoul, South Korea
| | - Insoo Kang
- Department of Internal Medicine, Section of Rheumatology, Yale University School of Medicine, New Haven, CT, United States
| | - Sung Joon Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Department of Physiology, Seoul National University College of Medicine, Seoul, South Korea.,BK21Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea.,Medical Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Chung-Hyun Cho
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,Department of Pharmacology, Seoul National University College of Medicine, Seoul, South Korea.,BK21Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea.,Medical Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Junsang Doh
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, South Korea
| | - Hang-Rae Kim
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, South Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.,BK21Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea.,Medical Research Institute, Seoul National University College of Medicine, Seoul, South Korea
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29
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Wang J, Schneider IC. Myosin phosphorylation on stress fibers predicts contact guidance behavior across diverse breast cancer cells. Biomaterials 2017; 120:81-93. [PMID: 28039755 PMCID: PMC5291342 DOI: 10.1016/j.biomaterials.2016.11.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 11/22/2016] [Accepted: 11/24/2016] [Indexed: 11/24/2022]
Abstract
During cancer progression the extracellular matrix is remodeled, forming aligned collagen fibers that proceed radially from the tumor, resulting in invasion. We have recently shown that different invasive breast cancer cells respond to epitaxially grown, aligned collagen fibrils differently. This article develops insight into why these cells differ in their contact guidance fidelity. Small changes in contractility or adhesion dramatically alter directional persistence on aligned collagen fibrils, while migration speed remains constant. The directionality of highly contractile and adhesive MDA-MB-231 cells can be diminished by inhibiting Rho kinase or β1 integrin binding. Inversely, the directionality of less contractile and adhesive MTLn3 cells can be enhanced by activating contractility or integrins. Subtle, but quantifiable alterations in myosin II regulatory light chain phosphorylation on stress fibers explain the tuning of contact guidance fidelity, separate from migration per se indicating that the contractile and adhesive state of the cell in combination with collagen organization in the tumor microenvironment determine the efficiency of migration. Understanding how distinct cells respond to contact guidance cues will not only illuminate mechanisms for cancer invasion, but will also allow for the design of environments to separate specific subpopulations of cells from patient-derived tissues by leveraging differences in responses to directional migration cues.
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Affiliation(s)
- Juan Wang
- Department of Chemical and Biological Engineering, Iowa State University, USA
| | - Ian C Schneider
- Department of Chemical and Biological Engineering, Iowa State University, USA; Department of Genetics, Development and Cell Biology, Iowa State University, USA.
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30
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Li Y, Xiao Y, Liu C. The Horizon of Materiobiology: A Perspective on Material-Guided Cell Behaviors and Tissue Engineering. Chem Rev 2017; 117:4376-4421. [PMID: 28221776 DOI: 10.1021/acs.chemrev.6b00654] [Citation(s) in RCA: 345] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Although the biological functions of cell and tissue can be regulated by biochemical factors (e.g., growth factors, hormones), the biophysical effects of materials on the regulation of biological activity are receiving more attention. In this Review, we systematically summarize the recent progress on how biomaterials with controllable properties (e.g., compositional/degradable dynamics, mechanical properties, 2D topography, and 3D geometry) can regulate cell behaviors (e.g., cell adhesion, spreading, proliferation, cell alignment, and the differentiation or self-maintenance of stem cells) and tissue/organ functions. How the biophysical features of materials influence tissue/organ regeneration have been elucidated. Current challenges and a perspective on the development of novel materials that can modulate specific biological functions are discussed. The interdependent relationship between biomaterials and biology leads us to propose the concept of "materiobiology", which is a scientific discipline that studies the biological effects of the properties of biomaterials on biological functions at cell, tissue, organ, and the whole organism levels. This Review highlights that it is more important to develop ECM-mimicking biomaterials having a self-regenerative capacity to stimulate tissue regeneration, instead of attempting to recreate the complexity of living tissues or tissue constructs ex vivo. The principles of materiobiology may benefit the development of novel biomaterials providing combinative bioactive cues to activate the migration of stem cells from endogenous reservoirs (i.e., cell niches), stimulate robust and scalable self-healing mechanisms, and unlock the body's innate powers of regeneration.
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Affiliation(s)
- Yulin Li
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology , Meilong Road 130, Shanghai 200237, People's Republic of China
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology , Kelvin Grove, Brisbane, Queensland 4059, Australia
| | - Changsheng Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology , Meilong Road 130, Shanghai 200237, People's Republic of China
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31
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Dumont CM, Margul DJ, Shea LD. Tissue Engineering Approaches to Modulate the Inflammatory Milieu following Spinal Cord Injury. Cells Tissues Organs 2016; 202:52-66. [PMID: 27701152 PMCID: PMC5067186 DOI: 10.1159/000446646] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2016] [Indexed: 12/11/2022] Open
Abstract
Tissue engineering strategies have shown promise in promoting healing and regeneration after spinal cord injury (SCI); however, these strategies are limited by inflammation and the immune response. Infiltration of cells of the innate and adaptive immune responses and the inflammation that follows cause secondary damage adjacent to the injury, increased scarring, and a potently inhibitory environment for the regeneration of damaged neurons. While the inflammation that ensues is typically associated with limited regeneration, the immune response is a crucial element in the closing of the blood-brain barrier, minimizing the spread of injury, and initiating healing. This review summarizes the strategies that have been developed to modulate the immune response towards an anti-inflammatory environment that is permissive to the regeneration of neurons, glia, and parenchyma. We focus on the use of biomaterials, biologically active molecules, gene therapy, nanoparticles, and stem cells to modulate the immune response, and illustrate concepts for future therapies. Current clinical treatments for SCI are limited to systemic hypothermia or methylprednisolone, which both act by systemically mitigating the effects of immune response but have marginal efficacy. Herein, we discuss emerging research strategies to further enhance these clinical treatments by directly targeting specific aspects of the immune response.
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Affiliation(s)
- Courtney. M. Dumont
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48105, USA
| | - Daniel J. Margul
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48105, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Lonnie. D. Shea
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48105, USA
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48105, USA
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32
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Caballero D, Comelles J, Piel M, Voituriez R, Riveline D. Ratchetaxis: Long-Range Directed Cell Migration by Local Cues. Trends Cell Biol 2016; 25:815-827. [PMID: 26615123 DOI: 10.1016/j.tcb.2015.10.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 10/07/2015] [Accepted: 10/12/2015] [Indexed: 01/22/2023]
Abstract
Directed cell migration is usually thought to depend on the presence of long-range gradients of either chemoattractants or physical properties such as stiffness or adhesion. However, in vivo, chemical or mechanical gradients have not systematically been observed. Here we review recent in vitro experiments, which show that other types of spatial guidance cues can bias cell motility. Introducing local geometrical or mechanical anisotropy in the cell environment, such as adhesive/topographical microratchets or tilted micropillars, show that local and periodic external cues can direct cell motion. Together with modeling, these experiments suggest that cell motility can be viewed as a stochastic phenomenon, which can be biased by various types of local cues, leading to directional migration.
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Affiliation(s)
- David Caballero
- Laboratory of Cell Physics ISIS/IGBMC, CNRS and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS, INSERM and University of Strasbourg, Illkirch, France
| | - Jordi Comelles
- Laboratory of Cell Physics ISIS/IGBMC, CNRS and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS, INSERM and University of Strasbourg, Illkirch, France
| | - Matthieu Piel
- Institut Curie, PSL Research University, CNRS, UMR 144, Bio6, 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.
| | - Daniel Riveline
- Laboratory of Cell Physics ISIS/IGBMC, CNRS and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS, INSERM and University of Strasbourg, Illkirch, France.
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33
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Kshitiz, Afzal J, Kim SY, Kim DH. A nanotopography approach for studying the structure-function relationships of cells and tissues. Cell Adh Migr 2016; 9:300-7. [PMID: 25482643 DOI: 10.4161/cam.29359] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Most cells in the body secrete, or are in intimate contact with extracellular matrix (ECM), which provides structure to tissues and regulates various cellular phenotypes. Cells are well known to respond to biochemical signals from the ECM, but recent evidence has highlighted the mechanical properties of the matrix, including matrix elasticity and nanotopography, as fundamental instructive cues regulating signal transduction pathways and gene transcription. Recent observations also highlight the importance of matrix nanotopography as a regulator of cellular functions, but lack of facile experimental platforms has resulted in a continued negligence of this important microenvironmental cue in tissue culture experimentation. In this review, we present our opinion on the importance of nanotopography as a biological cue, contexts in which it plays a primary role influencing cell behavior, and detail advanced techniques to incorporate nanotopography into the design of experiments, or in cell culture environments. In addition, we highlight signal transduction pathways that are involved in conveying the extracellular matrix nanotopography information within the cells to influence cell behavior.
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34
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Song KH, Lee J, Park H, Kim HM, Park J, Kwon KW, Doh J. Roles of endothelial A-type lamins in migration of T cells on and under endothelial layers. Sci Rep 2016; 6:23412. [PMID: 26996137 PMCID: PMC4800500 DOI: 10.1038/srep23412] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 03/07/2016] [Indexed: 12/30/2022] Open
Abstract
Stiff nuclei in cell-dense microenvironments may serve as distinct biomechanical cues for cell migration, but such a possibility has not been tested experimentally. As a first step addressing this question, we altered nuclear stiffness of endothelial cells (ECs) by reducing the expression of A-type lamins using siRNA, and investigated the migration of T cells on and under EC layers. While most T cells crawling on control EC layers avoided crossing over EC nuclei, a significantly higher fraction of T cells on EC layers with reduced expression of A-type lamins crossed over EC nuclei. This result suggests that stiff EC nuclei underlying T cells may serve as "duro-repulsive" cues to direct T cell migration toward less stiff EC cytoplasm. During subendothelial migration under EC layers with reduced expression of A-type lamins, T cells made prolonged contact and substantially deformed EC nuclei, resulting in reduced speed and directional persistence. This result suggests that EC nuclear stiffness promotes fast and directionally persistent subendothelial migration of T cells by allowing minimum interaction between T cells and EC nuclei.
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Affiliation(s)
- Kwang Hoon Song
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Jaehyun Lee
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - HyoungJun Park
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Hye Mi Kim
- Division of Integrative Bioscience and Biotechnology (IBB), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Jeehun Park
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Keon Woo Kwon
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
| | - Junsang Doh
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH) San 31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk, 790-784, Korea
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35
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Kweon S, Song KH, Park H, Choi JC, Doh J. Dynamic Micropatterning of Cells on Nanostructured Surfaces Using a Cell-friendly Photoresist. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4266-4274. [PMID: 26760679 DOI: 10.1021/acsami.6b00318] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Cellular dynamics under complex topographical microenvironments are important for many biological processes in development and diseases, but systematic investigation has been limited due to the lack of technology. Herein, we developed a new dynamic cell patterning method based on a cell-friendly photoresist polymer that allows in situ control of cell dynamics on nanostructured surfaces. Using this method, we quantitatively compared the spreading dynamics of cells on nanostructured surfaces to those on flat surfaces. Furthermore, we investigated how cells behaved when they simultaneously encountered two topographically distinct surfaces during spreading. This method will allow many exciting opportunities in the fundamental study of cellular dynamics.
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Affiliation(s)
- SoonHo Kweon
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio) and ‡Department of Mechanical Engineering, Pohang University of Science and Technology , San31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk 790-784, South Korea
| | - Kwang Hoon Song
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio) and ‡Department of Mechanical Engineering, Pohang University of Science and Technology , San31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk 790-784, South Korea
| | - HyoungJun Park
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio) and ‡Department of Mechanical Engineering, Pohang University of Science and Technology , San31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk 790-784, South Korea
| | - Jong-Cheol Choi
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio) and ‡Department of Mechanical Engineering, Pohang University of Science and Technology , San31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk 790-784, South Korea
| | - Junsang Doh
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio) and ‡Department of Mechanical Engineering, Pohang University of Science and Technology , San31, Hyoja-dong, Nam-Gu, Pohang, Gyeongbuk 790-784, South Korea
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36
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37
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Comelles J, Caballero D, Voituriez R, Hortigüela V, Wollrab V, Godeau AL, Samitier J, Martínez E, Riveline D. Cells as active particles in asymmetric potentials: motility under external gradients. Biophys J 2015; 107:1513-22. [PMID: 25296303 DOI: 10.1016/j.bpj.2014.08.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 07/11/2014] [Accepted: 08/01/2014] [Indexed: 12/11/2022] Open
Abstract
Cell migration is a crucial event during development and in disease. Mechanical constraints and chemical gradients can contribute to the establishment of cell direction, but their respective roles remain poorly understood. Using a microfabricated topographical ratchet, we show that the nucleus dictates the direction of cell movement through mechanical guidance by its environment. We demonstrate that this direction can be tuned by combining the topographical ratchet with a biochemical gradient of fibronectin adhesion. We report competition and cooperation between the two external cues. We also quantitatively compare the measurements associated with the trajectory of a model that treats cells as fluctuating particles trapped in a periodic asymmetric potential. We show that the cell nucleus contributes to the strength of the trap, whereas cell protrusions guided by the adhesive gradients add a constant tunable bias to the direction of cell motion.
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Affiliation(s)
- Jordi Comelles
- Laboratory of Cell Physics ISIS/IGBMC, CNRS UMR 7006 and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS UMR 7104, INSERM (U964) and University of Strasbourg, Illkirch, France; Nanobioengineering Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain
| | - David Caballero
- Laboratory of Cell Physics ISIS/IGBMC, CNRS UMR 7006 and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS UMR 7104, INSERM (U964) and University of Strasbourg, Illkirch, 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 FRE 3231, Université Pierre et Marie Curie, Paris, France
| | - Verónica Hortigüela
- Biomimetic Systems for Cell Engineering, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain; Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina, Zaragoza, Spain
| | - Viktoria Wollrab
- Laboratory of Cell Physics ISIS/IGBMC, CNRS UMR 7006 and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS UMR 7104, INSERM (U964) and University of Strasbourg, Illkirch, France
| | - Amélie Luise Godeau
- Laboratory of Cell Physics ISIS/IGBMC, CNRS UMR 7006 and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS UMR 7104, INSERM (U964) and University of Strasbourg, Illkirch, France
| | - Josep Samitier
- Nanobioengineering Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain; Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina, Zaragoza, Spain; Department of Electronics, University of Barcelona, Barcelona, Spain
| | - Elena Martínez
- Biomimetic Systems for Cell Engineering, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain; Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina, Zaragoza, Spain; Department of Electronics, University of Barcelona, Barcelona, Spain
| | - Daniel Riveline
- Laboratory of Cell Physics ISIS/IGBMC, CNRS UMR 7006 and University of Strasbourg, Strasbourg, France; Development and Stem Cells Program, IGBMC, CNRS UMR 7104, INSERM (U964) and University of Strasbourg, Illkirch, France.
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Song KH, Park SJ, Kim DS, Doh J. Sinusoidal wavy surfaces for curvature-guided migration of T lymphocytes. Biomaterials 2015; 51:151-160. [DOI: 10.1016/j.biomaterials.2015.01.071] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 01/25/2015] [Indexed: 12/13/2022]
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Ho D, Zou J, Zdyrko B, Iyer KS, Luzinov I. Capillary force lithography: the versatility of this facile approach in developing nanoscale applications. NANOSCALE 2015; 7:401-414. [PMID: 25331773 DOI: 10.1039/c4nr03565h] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Since its inception as a simple, low cost alternative to more complicated lithographic techniques such as electron-beam and dip-pen lithography, capillary force lithography (CFL) has developed into a versatile tool to form sub-100 nm patterns. Utilizing the concept of a polymer melt, structures and devices generated by the technique have been used in applications varying from surfaces regulating cell growth to gas sensing. In this review, we discuss various CFL methodologies which have evolved, their application in both biological and non-biological research, and finally a brief outlook in areas of research where CFL is destined to make an enormous impact in the near future.
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Affiliation(s)
- Dominic Ho
- School of Chemistry and Biochemistry, The University of Western Australia, Crawley, WA 6009, Perth, Australia.
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Charras G, Sahai E. Physical influences of the extracellular environment on cell migration. Nat Rev Mol Cell Biol 2014; 15:813-24. [PMID: 25355506 DOI: 10.1038/nrm3897] [Citation(s) in RCA: 466] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The way in which a cell migrates is influenced by the physical properties of its surroundings, in particular the properties of the extracellular matrix. How the physical aspects of the cell's environment affect cell migration poses a considerable challenge when trying to understand migration in complex tissue environments and hinders the extrapolation of in vitro analyses to in vivo situations. A comprehensive understanding of these problems requires an integrated biochemical and biophysical approach. In this Review, we outline the findings that have emerged from approaches that span these disciplines, with a focus on actin-based cell migration in environments with different stiffness, dimensionality and geometry.
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Affiliation(s)
- Guillaume Charras
- 1] London Centre for Nanotechnology, 17-19 Gordon Street, London WC1H 0AH, UK. [2] Department of Cell and Developmental Biology, University College London, Gower Street, London WC1E 6BT, UK
| | - Erik Sahai
- Cancer Research UK London Research Institute, 44 Lincoln's Inn Fields, London WC2A 3LY, UK
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Lee EA, Jung G, Im SG, Hwang NS. Extracellular matrix-immobilized nanotopographical substrates for enhanced myogenic differentiation. J Biomed Mater Res B Appl Biomater 2014; 103:1258-66. [DOI: 10.1002/jbm.b.33308] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 09/01/2014] [Accepted: 10/01/2014] [Indexed: 01/26/2023]
Affiliation(s)
- Eunjee A. Lee
- School of Chemical and Biological Engineering; Seoul National University; Seoul 151-744 Republic of Korea
| | - Giyoung Jung
- School of Chemical and Biological Engineering; Seoul National University; Seoul 151-744 Republic of Korea
| | - Sung Gap Im
- Department of Chemical and Biomolecular Engineering and KI for the NanoCentury; Korea Advanced Institute of Science and Technology; Daejeon 305-701 Republic of Korea
| | - Nathaniel S. Hwang
- School of Chemical and Biological Engineering; Seoul National University; Seoul 151-744 Republic of Korea
- The BioMAX Institute of Seoul National University; Seoul National University; Seoul Republic of Korea
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Heuzé ML, Vargas P, Chabaud M, Le Berre M, Liu YJ, Collin O, Solanes P, Voituriez R, Piel M, Lennon-Duménil AM. Migration of dendritic cells: physical principles, molecular mechanisms, and functional implications. Immunol Rev 2014; 256:240-54. [PMID: 24117825 DOI: 10.1111/imr.12108] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Dendritic cells (DCs) constitute a complex cell population that resides in both peripheral tissues and lymphoid organs. Their major function in tissues is to patrol their environment in search of danger-associated antigens to transport to lymph nodes and present to T lymphocytes. This process constitutes the first step of the adaptive immune response and relies on specific DC properties, including a high endocytic capacity as well as efficient motility in confined three-dimensional environments. Although cell motility has been widely studied, little is known on how the geometric characteristics of the environment influence DC migration and function. In this review, we give an overview of the basic physical principles and molecular mechanisms that control DC migration under confinement and discuss how such mechanisms impact the environment-patrolling capacity of DCs.
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Park JY, Choi JC, Shim JH, Lee JS, Park H, Kim SW, Doh J, Cho DW. A comparative study on collagen type I and hyaluronic acid dependent cell behavior for osteochondral tissue bioprinting. Biofabrication 2014; 6:035004. [PMID: 24758832 DOI: 10.1088/1758-5082/6/3/035004] [Citation(s) in RCA: 128] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Bioprinting is a promising technique for engineering composite tissues, such as osteochondral tissues. In this study, as a first step toward bioprinting-based osteochondral tissue regeneration, we systematically examined the behavior of chondrocytes and osteoblasts to hyaluronic acid (HA) and type I collagen (Col-1) hydrogels. First, we demonstrated that cells on hydrogels that were comprised of major native tissue extracellular matrix (ECM) components (i.e. chondrocytes on HA hydrogels and osteoblasts on Col-1 hydrogels) exhibited better proliferation and cell function than cells on non-native ECM hydrogels (i.e., chondrocytes on Col-1 hydrogels and osteoblasts on HA hydrogels). In addition, cells located near their native ECM hydrogels migrated towards them. Finally, we bioprinted three-dimensional (3D) osteochondral tissue-mimetic structures composed of two compartments, osteoblast-encapsulated Col-1 hydrogels and chondrocyte-encapsulated HA hydrogels, and found viability and functions of each cell type were well maintained within the 3D structures up to 14 days in vitro. These results suggest that with proper choice of hydrogel materials, bioprinting-based approaches can be successfully applied for osteochondral tissue regeneration.
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Affiliation(s)
- Ju Young Park
- Division of Integrative Biosciences and Biotechnology, POSTECH, Pohang, Korea
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Driscoll MK, Sun X, Guven C, Fourkas JT, Losert W. Cellular contact guidance through dynamic sensing of nanotopography. ACS NANO 2014; 8:3546-55. [PMID: 24649900 PMCID: PMC4017610 DOI: 10.1021/nn406637c] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Accepted: 03/20/2014] [Indexed: 05/25/2023]
Abstract
We investigate the effects of surface nanotopography on the migration and cell shape dynamics of the amoeba Dictyostelium discoideum. Multiple prior studies have implicated the patterning of focal adhesions in contact guidance. However, we observe significant contact guidance of Dictyostelium along surfaces with nanoscale ridges or grooves, even though this organism lacks integrin-based adhesions. Cells that move parallel to nanoridges are faster, more protrusive at their fronts, and more elongated than are cells that move perpendicular to nanoridges. Quantitative studies show that nanoridges spaced 1.5 μm apart exhibit the greatest contact guidance efficiency. Because Dictyostelium cells exhibit oscillatory shape dynamics, we model contact guidance as a process in which stochastic cellular harmonic oscillators couple to the periodicity of the nanoridges. In support of this connection, we find that nanoridges nucleate actin polymerization waves of nanoscale width that propagate parallel to the nanoridges.
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Affiliation(s)
- Meghan K. Driscoll
- Department of Physics, Department of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, United States
| | - Xiaoyu Sun
- Department of Physics, Department of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, United States
| | - Can Guven
- Department of Physics, Department of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, United States
| | - John T. Fourkas
- Department of Physics, Department of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, United States
| | - Wolfgang Losert
- Department of Physics, Department of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, United States
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Lämmermann T, Germain RN. The multiple faces of leukocyte interstitial migration. Semin Immunopathol 2014; 36:227-51. [PMID: 24573488 DOI: 10.1007/s00281-014-0418-8] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 01/26/2014] [Indexed: 12/22/2022]
Abstract
Spatiotemporal control of leukocyte dynamics within tissues is critical for successful innate and adaptive immune responses. Homeostatic trafficking and coordinated infiltration into and within sites of inflammation and infection rely on signaling in response to extracellular cues that in turn controls a variety of intracellular protein networks regulating leukocyte motility, migration, chemotaxis, positioning, and cell-cell interaction. In contrast to mesenchymal cells, leukocytes migrate in an amoeboid fashion by rapid cycles of actin polymerization and actomyosin contraction, and their migration in tissues is generally referred to as low adhesive and nonproteolytic. The interplay of actin network expansion, contraction, and adhesion shapes the exact mode of amoeboid migration, and in this review, we explore how leukocyte subsets potentially harness the same basic biomechanical mechanisms in a cell-type-specific manner. Most of our detailed understanding of these processes derives from in vitro migration studies in three-dimensional gels and confined spaces that mimic geometrical aspects of physiological tissues. We summarize these in vitro results and then critically compare them to data from intravital imaging of leukocyte interstitial migration in mouse tissues. We outline the technical challenges of obtaining conclusive mechanistic results from intravital studies, discuss leukocyte migration strategies in vivo, and present examples of mode switching during physiological interstitial migration. These findings are also placed in the context of leukocyte migration defects in primary immunodeficiencies. This overview of both in vitro and in vivo studies highlights recent progress in understanding the molecular and biophysical mechanisms that shape robust leukocyte migration responses in physiologically complex and heterogeneous environments.
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Affiliation(s)
- Tim Lämmermann
- Laboratory of Systems Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA,
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Kwon KW, Park H, Doh J. Migration of T cells on surfaces containing complex nanotopography. PLoS One 2013; 8:e73960. [PMID: 24069255 PMCID: PMC3771970 DOI: 10.1371/journal.pone.0073960] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2013] [Accepted: 07/23/2013] [Indexed: 11/19/2022] Open
Abstract
T cells navigate complex microenvironments to initiate and modulate antigen-specific immune responses. While recent intravital microscopy study revealed that migration of T cells were guided by various tissue microstructures containing unique nanoscale topographical structures, the effects of complex nanotopographical structures on the migration of T cells have not been systematically studied. In this study, we fabricated surfaces containing nanoscale zigzag structures with various side lengths and turning angles using UV-assisted capillary force lithography and motility of T cells on zigzag patterned surfaces was studied. Motility of T cells was mostly affected by the turning angle, not by the side length, of the zigzag structures. In particular, motility behaviors of T cells near interfaces formed by turning points of zigzag patterns were significantly affected by turning angles. For obtuse turning angles, most of the T cells smoothly crossed the interfaces, but as the turning angle decreased, a substantial fraction of the T cells migrated along the interfaces. When the formation of lamellipodia, thin sheet-like structures typically generated at the leading edges of migrating cells by actin polymerization-driven membrane protrusion, was inhibited by an Arp2/3 inhibitor CK-636, a substantial fraction of T cells on those surfaces containing zigzag patterns with an acute turning angle were trapped at the interfaces formed by the turning points of the zigzag patterns. This result suggests that thin, wide lamellipodia at the leading edges of T cells play critical roles in motility of T cells in complex topographical microenvironments.
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Affiliation(s)
- Keon Woo Kwon
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Hyoungjun Park
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Junsang Doh
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- School of Interdisciplinary Bioscience and Bioengineering (I-Bio), Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- * E-mail:
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Santo VE, Gomes ME, Mano JF, Reis RL. Controlled release strategies for bone, cartilage, and osteochondral engineering--Part II: challenges on the evolution from single to multiple bioactive factor delivery. TISSUE ENGINEERING PART B-REVIEWS 2013; 19:327-52. [PMID: 23249320 DOI: 10.1089/ten.teb.2012.0727] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The development of controlled release systems for the regeneration of bone, cartilage, and osteochondral interface is one of the hot topics in the field of tissue engineering and regenerative medicine. However, the majority of the developed systems consider only the release of a single growth factor, which is a limiting step for the success of the therapy. More recent studies have been focused on the design and tailoring of appropriate combinations of bioactive factors to match the desired goals regarding tissue regeneration. In fact, considering the complexity of extracellular matrix and the diversity of growth factors and cytokines involved in each biological response, it is expected that an appropriate combination of bioactive factors could lead to more successful outcomes in tissue regeneration. In this review, the evolution on the development of dual and multiple bioactive factor release systems for bone, cartilage, and osteochondral interface is overviewed, specifically the relevance of parameters such as dosage and spatiotemporal distribution of bioactive factors. A comprehensive collection of studies focused on the delivery of bioactive factors is also presented while highlighting the increasing impact of platelet-rich plasma as an autologous source of multiple growth factors.
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Affiliation(s)
- Vítor E Santo
- 3Bs Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
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