201
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Huang YL, Ma Y, Wu C, Shiau C, Segall JE, Wu M. Tumor spheroids under perfusion within a 3D microfluidic platform reveal critical roles of cell-cell adhesion in tumor invasion. Sci Rep 2020; 10:9648. [PMID: 32541776 PMCID: PMC7295764 DOI: 10.1038/s41598-020-66528-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/11/2020] [Indexed: 12/20/2022] Open
Abstract
Tumor invasion within the interstitial space is critically regulated by the force balance between cell-extracellular matrix (ECM) and cell-cell interactions. Interstitial flows (IFs) are present in both healthy and diseased tissues. However, the roles of IFs in modulating cell force balance and subsequently tumor invasion are understudied. In this article, we develop a microfluidic model in which tumor spheroids are embedded within 3D collagen matrices with well-defined IFs. Using co-cultured tumor spheroids (1:1 mixture of metastatic and non-tumorigenic epithelial cells), we show that IFs downregulate the cell-cell adhesion molecule E-cadherin on non-tumorigenic cells and promote tumor invasion. Our microfluidic model advances current tumor invasion assays towards a more physiologically realistic model using tumor spheroids instead of single cells under perfusion. We identify a novel mechanism by which IFs can promote tumor invasion through an influence on cell-cell adhesion within the tumor and highlight the importance of biophysical parameters in regulating tumor invasion.
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Affiliation(s)
- Yu Ling Huang
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Yujie Ma
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Cindy Wu
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Carina Shiau
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Jeffrey E Segall
- Anatomy and Structural Biology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, 10461, New York, USA
| | - Mingming Wu
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA.
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202
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Bubba F, Lorenzi T, Macfarlane FR. From a discrete model of chemotaxis with volume-filling to a generalized Patlak-Keller-Segel model. Proc Math Phys Eng Sci 2020; 476:20190871. [PMID: 32523414 DOI: 10.1098/rspa.2019.0871] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 04/02/2020] [Indexed: 12/26/2022] Open
Abstract
We present a discrete model of chemotaxis whereby cells responding to a chemoattractant are seen as individual agents whose movement is described through a set of rules that result in a biased random walk. In order to take into account possible alterations in cellular motility observed at high cell densities (i.e. volume-filling), we let the probabilities of cell movement be modulated by a decaying function of the cell density. We formally show that a general form of the celebrated Patlak-Keller-Segel (PKS) model of chemotaxis can be formally derived as the appropriate continuum limit of this discrete model. The family of steady-state solutions of such a generalized PKS model are characterized and the conditions for the emergence of spatial patterns are studied via linear stability analysis. Moreover, we carry out a systematic quantitative comparison between numerical simulations of the discrete model and numerical solutions of the corresponding PKS model, both in one and in two spatial dimensions. The results obtained indicate that there is excellent quantitative agreement between the spatial patterns produced by the two models. Finally, we numerically show that the outcomes of the two models faithfully replicate those of the classical PKS model in a suitable asymptotic regime.
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Affiliation(s)
- Federica Bubba
- Sorbonne Universités, Universités Paris-Diderot, Laboratoire Jacques-Louis Lions, 75005 Paris, France
| | - Tommaso Lorenzi
- School of Mathematics and Statistics, University of St Andrews, St Andrews KY16 9SS, UK.,Department of Mathematical Sciences 'G. L. Lagrange', Dipartimento di Eccellenza 2018-2022, Politecnico di Torino, 10129 Torino, Italy
| | - Fiona R Macfarlane
- School of Mathematics and Statistics, University of St Andrews, St Andrews KY16 9SS, UK
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203
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Rahman SM, Campbell JM, Coates RN, Render KM, Byrne CE, Martin EC, Melvin AT. Evaluation of intercellular communication between breast cancer cells and adipose-derived stem cells via passive diffusion in a two-layer microfluidic device. LAB ON A CHIP 2020; 20:2009-2019. [PMID: 32379852 PMCID: PMC7331673 DOI: 10.1039/d0lc00142b] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Breast cancer tumorigenesis and response to therapy is regulated by cancer cell interactions with the tumor microenvironment (TME). Breast cancer signaling to the surrounding TME results in a heterogeneous and diverse tumor microenvironment, which includes the production of cancer-associated fibroblasts, macrophages, adipocytes, and stem cells. The secretory profile of these cancer-associated cell types results in elevated chemokines and growth factors that promote cell survival and proliferation within the tumor. Current co-culture approaches mostly rely on transwell chambers to study intercellular signaling between adipose-derived stem cells (ASCs) and cancer cells; however, these methods are limited to endpoint measurements and lack dynamic control. In this study, a 4-channel, "flow-free" microfluidic device was developed to co-culture triple-negative MDA-MB-231 breast cancer cells and ASCs to study intercellular communication between two distinct cell types found in the TME. The device consists of two layers: a top PDMS layer with four imprinted channels coupled with a bottom agarose slab enclosed in a Plexiglas chamber. For dynamic co-culture, the device geometry contained two centered, flow-free channels, which were supplied with media from two outer flow channels via orthogonal diffusion through the agarose. Continuous fresh media was provided to the cell culture channel via passive diffusion without creating any shearing effect on the cells. The device geometry also allowed for the passive diffusion of cytokines and growth factors between the two cell types cultured in parallel channels to initiate cell-to-cell crosstalk. The device was used to show that MDA-MB-231 cells co-cultured with ASCs exhibited enhanced growth, a more aggressive morphology, and polarization toward the ASCs. The MDA-MB-231 cells were found to exhibit a greater degree of resistance to the drug paclitaxel when co-cultured with ASCs when compared to single culture studies. This microfluidic device is an ideal platform to study intercellular communication for many types of cells during co-culture experiments and allows for new investigations into stromal cell-mediated drug resistance in the tumor microenvironment.
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Affiliation(s)
- Sharif M Rahman
- Cain Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA, 70803 USA.
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204
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Nasrollahzadeh E, Razi S, Keshavarz-Fathi M, Mazzone M, Rezaei N. Pro-tumorigenic functions of macrophages at the primary, invasive and metastatic tumor site. Cancer Immunol Immunother 2020; 69:1673-1697. [PMID: 32500231 DOI: 10.1007/s00262-020-02616-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 05/16/2020] [Indexed: 12/19/2022]
Abstract
The tumor microenvironment (TME) not only facilitates cancer progression from the early formation to distant metastasis, but also it differs itself from time to time alongside the tumor evolution. Tumor-associated macrophages (TAMs), whether as pre-existing tissue-resident macrophages or recruited monocytes, are an inseparable part of this microenvironment. As their parents are broadly classified into a dichotomic, simplistic M1 and M2 subtypes, TAMs also exert paradoxical and diverse phenotypes as they are settled in different regions of TME and receive different microenvironmental signals. Briefly, M1 macrophages induce an inflammatory precancerous niche and flame the early oncogenic mutations, whereas their M2 counterparts are reprogrammed to release various growth factors and providing an immunosuppressive state in TME as long as abetting hypoxic cancer cells to set up a new vasculature. Further, they mediate stromal micro-invasion and co-migrate with invasive cancer cells to invade the vascular wall and neural sheath, while another subtype of TAMs prepares suitable niches much earlier than metastatic cells arrive at the target tissues. Accordingly, at the neoplastic transformation, during the benign-to-malignant transition and through the metastatic cascade, macrophages are involved in shaping the primary, micro-invasive and pre-metastatic TMEs. Whether their behavioral plasticity is derived from distinct genotypes or is fueled by microenvironmental cues, it could define these cells as remarkably interesting therapeutic targets.
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Affiliation(s)
- Elaheh Nasrollahzadeh
- School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahsa Keshavarz-Fathi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Massimiliano Mazzone
- Laboratory of Tumor Inflammation and Angiogenesis, Department of Oncology, Center for Cancer Biology, VIB, KU Leuven, Louvain, B3000, Belgium
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Dr Qarib St, Keshavarz Blvd, 14194, Tehran, Iran. .,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran. .,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Stockholm, Sweden.
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205
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Small Ones to Fight a Big Problem-Intervention of Cancer Metastasis by Small Molecules. Cancers (Basel) 2020; 12:cancers12061454. [PMID: 32503267 PMCID: PMC7352875 DOI: 10.3390/cancers12061454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023] Open
Abstract
Metastasis represents the most lethal attribute of cancer and critically limits successful therapies in many tumor entities. The clinical need is defined by the fact that all cancer patients, who have or who will develop distant metastasis, will experience shorter survival. Thus, the ultimate goal in cancer therapy is the restriction of solid cancer metastasis by novel molecularly targeted small molecule based therapies. Biomarkers identifying cancer patients at high risk for metastasis and simultaneously acting as key drivers for metastasis are extremely desired. Clinical interventions targeting these key molecules will result in high efficiency in metastasis intervention. In result of this, personalized tailored interventions for restriction and prevention of cancer progression and metastasis will improve patient survival. This review defines crucial biological steps of the metastatic cascade, such as cell dissemination, migration and invasion as well as the action of metastasis suppressors. Targeting these biological steps with tailored therapeutic strategies of intervention or even prevention of metastasis using a wide range of small molecules will be discussed.
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206
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Lo Vecchio S, Thiagarajan R, Caballero D, Vigon V, Navoret L, Voituriez R, Riveline D. Collective Dynamics of Focal Adhesions Regulate Direction of Cell Motion. Cell Syst 2020; 10:535-542.e4. [DOI: 10.1016/j.cels.2020.05.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 02/20/2020] [Accepted: 05/19/2020] [Indexed: 01/14/2023]
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207
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Grigolato F, Egholm C, Impellizzieri D, Arosio P, Boyman O. Establishment of a scalable microfluidic assay for characterization of population-based neutrophil chemotaxis. Allergy 2020; 75:1382-1393. [PMID: 31971608 DOI: 10.1111/all.14195] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Regulation of neutrophil chemotaxis and activation plays crucial roles in immunity, and dysregulated neutrophil responses can lead to pathology as seen in neutrophilic asthma. Neutrophil recruitment is key for initiating immune defense and inflammation, and its modulation is a promising therapeutic target. Microfluidic technology is an attractive tool for characterization of neutrophil migration. Compared to transwell assays, microfluidic approaches could offer several advantages, including precis e control of defined chemokine gradients in space and time, automated quantitative analysis of chemotaxis, and high throughput. METHODS We established a microfluidic device for fully automated, quantitative assessment of neutrophil chemotaxis. Freshly isolated mouse neutrophils from bone marrow or human neutrophils from peripheral blood were assessed in real time using an epifluorescence microscope for their migration toward the potent chemoattractants C-X-C-motif ligand 2 (CXCL2) and CXCL8, without or with interleukin-4 (IL-4) pre-incubation. RESULTS Our microfluidic device allowed the precise and reproducible determination of the optimal CXCL2 and CXCL8 concentrations for mouse and human neutrophil chemotaxis, respectively. Furthermore, our microfluidic assay was able to measure the equilibrium and real-time dynamic effects of specific modulators of neutrophil chemotaxis. We demonstrated this concept by showing that IL-4 receptor signaling in mouse and human neutrophils inhibited their migration toward CXCL2 and CXCL8, respectively, and this inhibition was time-dependent. CONCLUSION Collectively, our microfluidic device shows several advantages over traditional transwell migration assays and its design is amenable to future integration into multiplexed high-throughput platforms for screening of molecules that modulate the chemotaxis of different immune cells.
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Affiliation(s)
- Fulvio Grigolato
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology, Zurich Zurich Switzerland
| | - Cecilie Egholm
- Department of Immunology University Hospital Zurich Zurich Switzerland
| | | | - Paolo Arosio
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology, Zurich Zurich Switzerland
| | - Onur Boyman
- Department of Immunology University Hospital Zurich Zurich Switzerland
- Faculty of Medicine University of Zurich Zurich Switzerland
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208
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Baskaran JP, Weldy A, Guarin J, Munoz G, Shpilker PH, Kotlik M, Subbiah N, Wishart A, Peng Y, Miller MA, Cowen L, Oudin MJ. Cell shape, and not 2D migration, predicts extracellular matrix-driven 3D cell invasion in breast cancer. APL Bioeng 2020; 4:026105. [PMID: 32455252 PMCID: PMC7202897 DOI: 10.1063/1.5143779] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 04/14/2020] [Indexed: 12/13/2022] Open
Abstract
Metastasis, the leading cause of death in cancer patients, requires the invasion of tumor cells through the stroma in response to migratory cues, in part provided by the extracellular matrix (ECM). Recent advances in proteomics have led to the identification of hundreds of ECM proteins, which are more abundant in tumors relative to healthy tissue. Our goal was to develop a pipeline to easily predict which ECM proteins are more likely to have an effect on cancer invasion and metastasis. We evaluated the effect of four ECM proteins upregulated in breast tumor tissue in multiple human breast cancer cell lines in three assays. There was no linear relationship between cell adhesion to ECM proteins and ECM-driven 2D cell migration speed, persistence, or 3D invasion. We then used classifiers and partial-least squares regression analysis to identify which metrics best predicted ECM-driven 2D migration and 3D invasion responses. We find that ECM-driven 2D cell migration speed or persistence did not predict 3D invasion in response to the same cue. However, cell adhesion, and in particular cell elongation and shape irregularity, accurately predicted the magnitude of ECM-driven 2D migration and 3D invasion. Our models successfully predicted the effect of novel ECM proteins in a cell-line specific manner. Overall, our studies identify the cell morphological features that determine 3D invasion responses to individual ECM proteins. This platform will help provide insight into the functional role of ECM proteins abundant in tumor tissue and help prioritize strategies for targeting tumor-ECM interactions to treat metastasis.
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Affiliation(s)
- Janani P. Baskaran
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Anna Weldy
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Justinne Guarin
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Gabrielle Munoz
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Polina H. Shpilker
- Department of Computer Science, Tufts University, Medford, Massachusetts 02155, USA
| | - Michael Kotlik
- Department of Computer Science, Tufts University, Medford, Massachusetts 02155, USA
| | - Nandita Subbiah
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Andrew Wishart
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Yifan Peng
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Miles A. Miller
- Center for Systems Biology, Massachusetts General Hospital Research Institute, Boston, Massachusetts 02114, USA
| | - Lenore Cowen
- Department of Computer Science, Tufts University, Medford, Massachusetts 02155, USA
| | - Madeleine J. Oudin
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
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209
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Seo J, Youn W, Choi JY, Cho H, Choi H, Lanara C, Stratakis E, Choi IS. Neuro-taxis: Neuronal movement in gradients of chemical and physical environments. Dev Neurobiol 2020; 80:361-377. [PMID: 32304173 DOI: 10.1002/dneu.22749] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 04/13/2020] [Indexed: 12/15/2022]
Abstract
Environmental chemical and physical cues dynamically interact with migrating neurons and sprouting axons, and in particular, the gradients of environmental cues are regarded as one of the factors intimately involved in the neuronal movement. Since a growth cone was first described by Cajal, more than one century ago, chemical gradients have been suggested as one of the mechanisms by which the neurons determine proper paths and destinations. However, the gradients of physical cues, such as stiffness and topography, which also interact constantly with the neurons and their axons as a component of the extracellular environments, have rarely been noted regarding the guidance of neurons, despite their gradually increasingly reported influences in the case of nonneuronal-cell migration. In this review, we discuss chemical (i.e., chemo- and hapto-) and physical (i.e., duro-) taxis phenomena on the movement of neurons including axonal elongation. In addition, we suggest topotaxis, the most recently proposed physical-taxis phenomenon, as another potential mechanism in the neuronal movement, based on the reports of neuronal recognition of and responses to nanotopography.
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Affiliation(s)
| | - Wongu Youn
- Department of Chemistry, KAIST, Daejeon, Korea
| | - Ji Yu Choi
- Department of Chemistry, KAIST, Daejeon, Korea
| | | | | | - Christina Lanara
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Crete, Greece
| | - Emmanuel Stratakis
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Crete, Greece.,Physics Department, University of Crete, Heraklion, Crete, Greece
| | - Insung S Choi
- Department of Chemistry, KAIST, Daejeon, Korea.,Department of Bio and Brain Engineering, KAIST, Daejeon, Korea
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210
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Ledvina V, Klepárník K, Legartová S, Bártová E. A device for investigation of natural cell mobility and deformability. Electrophoresis 2020; 41:1238-1244. [PMID: 32358820 DOI: 10.1002/elps.201900357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 03/03/2020] [Accepted: 04/22/2020] [Indexed: 02/02/2023]
Abstract
A microfluidic device made of polydimethylsiloxane was developed for continuous evaluation of natural migration mobility of many eukaryotic cells in relaxed and deformed state. The device was fabricated by standard photolithography and soft lithography techniques using the SU-8 3010 negative photoresist on a glass wafer as the master mold. The simple flow-free device exploits the chemotactic movement of cells through a set of mechanical barriers in the direction of concentration gradients of attractants. The barriers are formed by arrays of circular cross-section pillars with decreasing spacing 7, 5, and 3 μm. To pass through the obstacles, the cells are deformed and change their cytoskeletal architecture. The instantaneous migration velocities of cells are monitored in a time-lapse setup of the scanning confocal microscope. Thus, the cellular deformability and migratory activity can easily be evaluated. The functionality of the device was tested with model HeLa cells stably transfected with fluorescent Premo FUCCI Cell Cycle Sensor. The designed device has the potential to be implemented for testing the tendency of patients' tumors to metastasis.
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Affiliation(s)
- Vojtěch Ledvina
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Brno, Czech Republic.,Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Karel Klepárník
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Brno, Czech Republic
| | - Soňa Legartová
- Institute of the Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
| | - Eva Bártová
- Institute of the Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
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211
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Nowotarski HL, Attayek PJ, Allbritton NL. Automated platform for cell selection and separation based on four-dimensional motility and matrix degradation. Analyst 2020; 145:2731-2742. [PMID: 32083265 PMCID: PMC7716803 DOI: 10.1039/c9an02224d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Motility and invasion are key steps in the metastatic cascade, enabling cells to move through normal tissue borders into the surrounding stroma. Most available in vitro assays track cell motility or cell invasion but lack the ability to measure both simultaneously and then separate single cells with unique behaviors. In this work, we developed a cell-separation platform capable of tracking cell movement (chemokinesis) and invasion through an extracellular matrix in space and time. The platform utilized a collagen scaffold with embedded tumor cells overlaid onto a microraft array. Confocal microscopy enabled high resolution (0.4 × 0.4 × 3.5 µm voxel) monitoring of cell movement within the scaffolds. Two pancreatic cancer cell lines with known differing invasiveness were characterized on this platform, with median motilities of 14 ± 6 μm and 10 ± 4 μm over 48 h. Within the same cell line, cells demonstrated highly variable motility, with XYZ movement ranging from 144 μm to 2 μm over 24 h. The ten lowest and highest motility cells, with median movements of 33 ± 11 μm and 3 ± 1 μm, respectively, were separated and sub-cultured. After 6 weeks of culture, the cell populations were assayed on a Transwell invasion assay and 227 ± 56 cells were invasive in the high motility population while only 48 ± 10 cells were invasive in the low motility population, indicating that the resulting offspring possessed a motility phenotype reflective of the parental cells. This work demonstrates the feasibility of sorting single cells based on complex phenotypes along with the capability to further probe those cells and explore biological phenomena.
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Affiliation(s)
- Hannah L Nowotarski
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, USA.
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212
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Chemotactic Responses of Jurkat Cells in Microfluidic Flow-Free Gradient Chambers. MICROMACHINES 2020; 11:mi11040384. [PMID: 32260431 PMCID: PMC7231302 DOI: 10.3390/mi11040384] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/02/2020] [Accepted: 04/02/2020] [Indexed: 12/29/2022]
Abstract
Gradients of soluble molecules coordinate cellular communication in a diverse range of multicellular systems. Chemokine-driven chemotaxis is a key orchestrator of cell movement during organ development, immune response and cancer progression. Chemotaxis assays capable of examining cell responses to different chemokines in the context of various extracellular matrices will be crucial to characterize directed cell motion in conditions which mimic whole tissue conditions. Here, a microfluidic device which can generate different chemokine patterns in flow-free gradient chambers while controlling surface extracellular matrix (ECM) to study chemotaxis either at the population level or at the single cell level with high resolution imaging is presented. The device is produced by combining additive manufacturing (AM) and soft lithography. Generation of concentration gradients in the device were simulated and experimentally validated. Then, stable gradients were applied to modulate chemotaxis and chemokinetic response of Jurkat cells as a model for T lymphocyte motility. Live imaging of the gradient chambers allowed to track and quantify Jurkat cell migration patterns. Using this system, it has been found that the strength of the chemotactic response of Jurkat cells to CXCL12 gradient was reduced by increasing surface fibronectin in a dose-dependent manner. The chemotaxis of the Jurkat cells was also found to be governed not only by the CXCL12 gradient but also by the average CXCL12 concentration. Distinct migratory behaviors in response to chemokine gradients in different contexts may be physiologically relevant for shaping the host immune response and may serve to optimize the targeting and accumulation of immune cells to the inflammation site. Our approach demonstrates the feasibility of using a flow-free gradient chamber for evaluating cross-regulation of cell motility by multiple factors in different biologic processes.
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213
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Xie R, Zheng W, Guan L, Ai Y, Liang Q. Engineering of Hydrogel Materials with Perfusable Microchannels for Building Vascularized Tissues. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1902838. [PMID: 31559675 DOI: 10.1002/smll.201902838] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 09/06/2019] [Indexed: 05/23/2023]
Abstract
Vascular systems are responsible for various physiological and pathological processes related to all organs in vivo, and the survival of engineered tissues for enough nutrient supply in vitro. Thus, biomimetic vascularization is highly needed for constructing both a biomimetic organ model and a reliable engineered tissue. However, many challenges remain in constructing vascularized tissues, requiring the combination of suitable biomaterials and engineering techniques. In this review, the advantages of hydrogels on building engineered vascularized tissues are discussed and recent engineering techniques for building perfusable microchannels in hydrogels are summarized, including micromolding, 3D printing, and microfluidic spinning. Furthermore, the applications of these perfusable hydrogels in manufacturing organ-on-a-chip devices and transplantable engineered tissues are highlighted. Finally, current challenges in recapitulating the complexity of native vascular systems are discussed and future development of vascularized tissues is prospected.
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Affiliation(s)
- Ruoxiao Xie
- MOE Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Beijing Key Lab of Microanalytical Methods & Instrumentation, Center for Synthetic and Systems Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Wenchen Zheng
- MOE Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Beijing Key Lab of Microanalytical Methods & Instrumentation, Center for Synthetic and Systems Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Liandi Guan
- MOE Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Beijing Key Lab of Microanalytical Methods & Instrumentation, Center for Synthetic and Systems Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yongjian Ai
- MOE Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Beijing Key Lab of Microanalytical Methods & Instrumentation, Center for Synthetic and Systems Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Qionglin Liang
- MOE Key Lab of Bioorganic Phosphorus Chemistry & Chemical Biology, Beijing Key Lab of Microanalytical Methods & Instrumentation, Center for Synthetic and Systems Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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214
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Vollmann-Zwerenz A, Leidgens V, Feliciello G, Klein CA, Hau P. Tumor Cell Invasion in Glioblastoma. Int J Mol Sci 2020; 21:E1932. [PMID: 32178267 PMCID: PMC7139341 DOI: 10.3390/ijms21061932] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/02/2020] [Accepted: 03/09/2020] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma (GBM) is a particularly devastating tumor with a median survival of about 16 months. Recent research has revealed novel insights into the outstanding heterogeneity of this type of brain cancer. However, all GBM subtypes share the hallmark feature of aggressive invasion into the surrounding tissue. Invasive glioblastoma cells escape surgery and focal therapies and thus represent a major obstacle for curative therapy. This review aims to provide a comprehensive understanding of glioma invasion mechanisms with respect to tumor-cell-intrinsic properties as well as cues provided by the microenvironment. We discuss genetic programs that may influence the dissemination and plasticity of GBM cells as well as their different invasion patterns. We also review how tumor cells shape their microenvironment and how, vice versa, components of the extracellular matrix and factors from non-neoplastic cells influence tumor cell motility. We further discuss different research platforms for modeling invasion. Finally, we highlight the importance of accounting for the complex interplay between tumor cell invasion and treatment resistance in glioblastoma when considering new therapeutic approaches.
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Affiliation(s)
- Arabel Vollmann-Zwerenz
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, 93053 Regensburg, Germany; (A.V.-Z.); (V.L.)
| | - Verena Leidgens
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, 93053 Regensburg, Germany; (A.V.-Z.); (V.L.)
| | - Giancarlo Feliciello
- Fraunhofer-Institute for Toxicology and Experimental Medicine, Division of Personalized Tumor Therapy, 93053 Regensburg, Germany; (G.F.); (C.A.K.)
| | - Christoph A. Klein
- Fraunhofer-Institute for Toxicology and Experimental Medicine, Division of Personalized Tumor Therapy, 93053 Regensburg, Germany; (G.F.); (C.A.K.)
- Experimental Medicine and Therapy Research, University of Regensburg, 93053 Regensburg, Germany
| | - Peter Hau
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, 93053 Regensburg, Germany; (A.V.-Z.); (V.L.)
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Wan L, Neumann CA, LeDuc PR. Tumor-on-a-chip for integrating a 3D tumor microenvironment: chemical and mechanical factors. LAB ON A CHIP 2020; 20:873-888. [PMID: 32025687 PMCID: PMC7067141 DOI: 10.1039/c9lc00550a] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Tumor progression, including metastasis, is significantly influenced by factors in the tumor microenvironment (TME) such as mechanical force, shear stress, chemotaxis, and hypoxia. At present, most cancer studies investigate tumor metastasis by conventional cell culture methods and animal models, which are limited in data interpretation. Although patient tissue analysis, such as human patient-derived xenografts (PDX), can provide important clinical relevant information, they may not be feasible for functional studies as they are costly and time-consuming. Thus, in vitro three-dimensional (3D) models are rapidly being developed that mimic TME and allow functional investigations of metastatic mechanisms and drug responses. One of those new 3D models is tumor-on-a-chip technology that provides a powerful in vitro platform for cancer research, with the ability to mimic the complex physiological architecture and precise spatiotemporal control. Tumor-on-a-chip technology can provide integrated features including 3D scaffolding, multicellular culture, and a vasculature system to simulate dynamic flow in vivo. Here, we review a select set of recent achievements in tumor-on-a-chip approaches and present potential directions for tumor-on-a-chip systems in the future for areas including mechanical and chemical mimetic systems. We also discuss challenges and perspectives in both biological factors and engineering methods for tumor-on-a-chip progress. These approaches will allow in the future for the tumor-on-a-chip systems to test therapeutic approaches for individuals through using their cancerous cells gathered through approaches like biopsies, which then will contribute toward personalized medicine treatments for improving their outcomes.
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Affiliation(s)
- L Wan
- Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213 US.
| | - C A Neumann
- Department of Pharmacology & Chemical Biology, University of Pittsburgh Medical Center Hillman Cancer Center, Magee Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213 US.
| | - P R LeDuc
- Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213 US.
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216
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Kim BJ, Hannanta-anan P, Ryd A, Swartz MA, Wu M. Lymphoidal chemokine CCL19 promoted the heterogeneity of the breast tumor cell motility within a 3D microenvironment revealed by a Lévy distribution analysis. Integr Biol (Camb) 2020; 12:12-20. [PMID: 32055833 PMCID: PMC7036475 DOI: 10.1093/intbio/zyaa001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 11/27/2019] [Accepted: 01/10/2020] [Indexed: 01/17/2023]
Abstract
Tumor cell heterogeneity, either at the genotypic or the phenotypic level, is a hallmark of cancer. Tumor cells exhibit large variations, even among cells derived from the same origin, including cell morphology, speed and motility type. However, current work for quantifying tumor cell behavior is largely population based and does not address the question of cell heterogeneity. In this article, we utilize Lévy distribution analysis, a method known in both social and physical sciences for quantifying rare events, to characterize the heterogeneity of tumor cell motility. Specifically, we studied the breast tumor cell (MDA-MB-231 cell line) velocity statistics when the cells were subject to well-defined lymphoid chemokine (CCL19) gradients using a microfluidic platform. Experimental results showed that the tail end of the velocity distribution of breast tumor cell was well described by a Lévy function. The measured Lévy exponent revealed that cell motility was more heterogeneous when CCL19 concentration was near the dynamic kinetic binding constant to its corresponding receptor CCR7. This work highlighted the importance of tumor microenvironment in modulating tumor cell heterogeneity and invasion.
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Affiliation(s)
- Beum Jun Kim
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, USA
| | - Pimkhuan Hannanta-anan
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, USA
- Department of Food Engineering, King Mongkut’s Institute of Technology, Bangkok, Thailand
| | - Anders Ryd
- Department of Physics, Cornell University, Ithaca, NY, USA
| | - Melody A Swartz
- Pritzker School of Molecular Engineering, University of Chicago, IL, USA
| | - Mingming Wu
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, USA
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217
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Moodley S, Lian EY, Crupi MJF, Hyndman BD, Mulligan LM. RET isoform-specific interaction with scaffold protein Ezrin promotes cell migration and chemotaxis in lung adenocarcinoma. Lung Cancer 2020; 142:123-131. [PMID: 32146264 DOI: 10.1016/j.lungcan.2020.02.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/09/2020] [Accepted: 02/11/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Increased expression of REarranged during Transfection (RET) kinase is reported in 10-20 % of lung adenocarcinomas (LUAD) and is associated with metastasis and reduced survival. Ezrin is a scaffold protein that promotes protein interactions with the actin cytoskeleton to regulate cell migration and is also associated with invasion and metastasis in cancers. RET isoforms interact with unique combinations of scaffold proteins to promote distinct signaling pathways. We hypothesized that RET isoforms associate distinctly with Ezrin for cytoskeletal reorganization and LUAD cell migration processes. METHODS HCC1833 and A549 LUAD, SH-SY5Y neuroblastoma or HEK-293 cells expressing RET and Ezrin were stimulated with the RET ligand glial cell line-derived neurotrophic factor (GDNF) and treated with RET, Ezrin or Src inhibitors. Co-immunoprecipitation or pull-down assays coupled to immunoblotting were used to investigate protein activation and interactions. Immunofluorescence confocal microscopy assessed LUAD cytoskeletal reorganization and colocalization of RET and Ezrin. Live-cell fluorescence imaging was used to measure cell migration and chemotaxis. RESULTS GDNF promoted activation, interaction and colocalization of RET51 isoform and Ezrin. Inhibition of RET or Src impaired Ezrin interactions with RET and Src. GDNF stimulation enhanced the formation of actin-rich filopodia, in which both RET and Ezrin were enriched, and promoted chemotaxis in LUAD cells. However, inhibition of RET, Src or Ezrin suppressed filopodia formation, reduced colocalization of Ezrin with RET, and impaired cell migration and/ or chemotaxis. We further showed that GDNF-mediated activation of RET and Ezrin promoted RhoA-GTPase activity and signaling of ROCK1 and ROCK2 in LUAD cells. CONCLUSIONS Expression and activation of RET51 mediates unique protein interactions with Ezrin to promote LUAD cell chemotaxis for cancer cell dissemination, which may have implications in LUAD metastatic progression.
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Affiliation(s)
- Serisha Moodley
- Division of Cancer Biology and Genetics, Cancer Research Institute and Department of Pathology & Molecular Medicine, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Eric Y Lian
- Division of Cancer Biology and Genetics, Cancer Research Institute and Department of Pathology & Molecular Medicine, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Mathieu J F Crupi
- Division of Cancer Biology and Genetics, Cancer Research Institute and Department of Pathology & Molecular Medicine, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Brandy D Hyndman
- Division of Cancer Biology and Genetics, Cancer Research Institute and Department of Pathology & Molecular Medicine, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Lois M Mulligan
- Division of Cancer Biology and Genetics, Cancer Research Institute and Department of Pathology & Molecular Medicine, Queen's University, Kingston, ON, K7L 3N6, Canada.
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218
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Chernichenko N, Omelchenko T, Deborde S, Bakst RL, He S, Chen CH, Gusain L, Vakiani E, Katabi N, Hall A, Wong RJ. Cdc42 Mediates Cancer Cell Chemotaxis in Perineural Invasion. Mol Cancer Res 2020; 18:913-925. [PMID: 32086369 DOI: 10.1158/1541-7786.mcr-19-0726] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 01/07/2020] [Accepted: 02/17/2020] [Indexed: 12/30/2022]
Abstract
Perineural invasion (PNI) is an ominous form of cancer progression along nerves associated with poor clinical outcome. Glial derived neurotrophic factor (GDNF) interacts with cancer cell RET receptors to enable PNI, but downstream events remain undefined. We demonstrate that GDNF leads to early activation of the GTPase Cdc42 in pancreatic cancer cells, but only delayed activation of RhoA and does not affect Rac1. Depletion of Cdc42 impairs pancreatic cancer cell chemotaxis toward GDNF and nerves. An siRNA library of guanine nucleotide exchange factors was screened to identify activators of Cdc42. ARHGEF7 (β-Pix) was required for Cdc42 activation and chemotaxis toward nerves, and also colocalizes with RET under GDNF stimulation. Cdc42 enables PNI in an in vitro dorsal root ganglia coculture model, and controls the directionality of migration but does not affect cell speed or cell viability. In contrast, Rac1 was necessary for cell speed but not directionality, while the RhoA was not necessary for either cell speed or directionality. Cdc42 was required for PNI in an in vivo murine sciatic nerve model. Depletion of Cdc42 significantly diminished the length of PNI, volume of PNI, and motor nerve paralysis resulting from PNI. Activated Cdc42 is expressed in human salivary ductal cancer cells invading nerves. These findings establish the GDNF-RET-β-Pix-Cdc42 pathway as a directional regulator of pancreatic cancer cell migration toward nerves, highlight the importance of directional migration in PNI, and offer novel targets for therapy. IMPLICATIONS: Cdc42 regulates cancer cell directional migration toward and along nerves in PNI.
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Affiliation(s)
- Natalya Chernichenko
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Tatiana Omelchenko
- Cell Biology Program, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Sylvie Deborde
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Richard L Bakst
- Department of Radiation Oncology, Mount Sinai Hospital, New York, New York
| | - Shizhi He
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Chun-Hao Chen
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Laxmi Gusain
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Efsevia Vakiani
- Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Nora Katabi
- Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Alan Hall
- Cell Biology Program, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Richard J Wong
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York.
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219
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Three-dimensional culture models mimic colon cancer heterogeneity induced by different microenvironments. Sci Rep 2020; 10:3156. [PMID: 32081957 PMCID: PMC7035265 DOI: 10.1038/s41598-020-60145-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 02/07/2020] [Indexed: 11/09/2022] Open
Abstract
Colorectal cancer demonstrates intra-tumour heterogeneity formed by a hierarchical structure comprised of cancer stem cells (CSCs) and their differentiated progenies. The mechanism by which CSCs are maintained and differentiated needs to be further elucidated, and there is evidence that the tumour microenvironment governs cancer stemness. Using PLR123, a colon cancer cell line with CSC properties, we determined the culture conditions necessary to establish a pair of three-dimensional (3D) culture models grown in Matrigel, designated stemCO and diffCO. The conditions were determined by comparing the phenotypes in the models with PLR123 mouse xenografts colonising lung and liver. StemCO resembled LGR5-positive undifferentiated tumours in the lung, and diffCO had lumen structures composed of polarised cells that were similar to the ductal structures found in differentiated tumours in the liver. In a case using the models for biomedical research, treatment with JAG-1 peptide or a γ-secretase inhibitor modified the Notch signaling and induced changes indicating that the signal participates in lumen formation in the models. Our results demonstrate that culture conditions affect the stemness of 3D culture models generated from CSCs and show that comparing models with different phenotypes is useful for studying how the tumour environment regulates cancer.
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220
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Models for Monocytic Cells in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020. [PMID: 32036607 DOI: 10.1007/978-3-030-35723-8_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Monocytes (Mos) are immune cells that critically regulate cancer, enabling tumor growth and modulating metastasis. Mos can give rise to tumor-associated macrophages (TAMs) and Mo-derived dendritic cells (moDCs), all of which shape the tumor microenvironment (TME). Thus, understanding their roles in the TME is key for improved immunotherapy. Concurrently, various biological and mechanical factors including changes in local cytokines, extracellular matrix production, and metabolic changes in the TME affect the roles of monocytic cells. As such, relevant TME models are critical to achieve meaningful insight on the precise functions, mechanisms, and effects of monocytic cells. Notably, murine models have yielded significant insight into human Mo biology. However, many of these results have yet to be confirmed in humans, reinforcing the need for improved in vitro human TME models for the development of cancer interventions. Thus, this chapter (1) summarizes current insight on the tumor biology of Mos, TAMs, and moDCs, (2) highlights key therapeutic applications relevant to these cells, and (3) discusses various TME models to study their TME-related activity. We conclude with a perspective on the future research trajectory of this topic.
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Drp1 overexpression induces desmin disassembling and drives kinesin-1 activation promoting mitochondrial trafficking in skeletal muscle. Cell Death Differ 2020; 27:2383-2401. [PMID: 32042098 PMCID: PMC7370230 DOI: 10.1038/s41418-020-0510-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/13/2019] [Accepted: 01/23/2020] [Indexed: 12/15/2022] Open
Abstract
Mitochondria change distribution across cells following a variety of pathophysiological stimuli. The mechanisms presiding over this redistribution are yet undefined. In a murine model overexpressing Drp1 specifically in skeletal muscle, we find marked mitochondria repositioning in muscle fibres and we demonstrate that Drp1 is involved in this process. Drp1 binds KLC1 and enhances microtubule-dependent transport of mitochondria. Drp1-KLC1 coupling triggers the displacement of KIF5B from kinesin-1 complex increasing its binding to microtubule tracks and mitochondrial transport. High levels of Drp1 exacerbate this mechanism leading to the repositioning of mitochondria closer to nuclei. The reduction of Drp1 levels decreases kinesin-1 activation and induces the partial recovery of mitochondrial distribution. Drp1 overexpression is also associated with higher cyclin-dependent kinase-1 (Cdk-1) activation that promotes the persistent phosphorylation of desmin at Ser-31 and its disassembling. Fission inhibition has a positive effect on desmin Ser-31 phosphorylation, regardless of Cdk-1 activation, suggesting that induction of both fission and Cdk-1 are required for desmin collapse. This altered desmin architecture impairs mechanotransduction and compromises mitochondrial network stability priming mitochondria transport through microtubule-dependent trafficking with a mechanism that involves the Drp1-dependent regulation of kinesin-1 complex.
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Melnik D, Sahana J, Corydon TJ, Kopp S, Nassef MZ, Wehland M, Infanger M, Grimm D, Krüger M. Dexamethasone Inhibits Spheroid Formation of Thyroid Cancer Cells Exposed to Simulated Microgravity. Cells 2020; 9:cells9020367. [PMID: 32033410 PMCID: PMC7072698 DOI: 10.3390/cells9020367] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 12/24/2022] Open
Abstract
Detachment and the formation of spheroids under microgravity conditions can be observed with various types of intrinsically adherent human cells. In particular, for cancer cells this process mimics metastasis and may provide insights into cancer biology and progression that can be used to identify new drug/target combinations for future therapies. By using the synthetic glucocorticoid dexamethasone (DEX), we were able to suppress spheroid formation in a culture of follicular thyroid cancer (FTC)-133 cells that were exposed to altered gravity conditions on a random positioning machine. DEX inhibited the growth of three-dimensional cell aggregates in a dose-dependent manner. In the first approach, we analyzed the expression of several factors that are known to be involved in key processes of cancer progression such as autocrine signaling, proliferation, epithelial–mesenchymal transition, and anoikis. Wnt/β-catenin signaling and expression patterns of important genes in cancer cell growth and survival, which were further suggested to play a role in three-dimensional aggregation, such as NFKB2, VEGFA, CTGF, CAV1, BCL2(L1), or SNAI1, were clearly affected by DEX. Our data suggest the presence of a more complex regulation network of tumor spheroid formation involving additional signal pathways or individual key players that are also influenced by DEX.
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Affiliation(s)
- Daniela Melnik
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany; (D.M.); (S.K.); (M.Z.N.); (M.W.); (M.I.)
| | - Jayashree Sahana
- Department of Biomedicine, Aarhus University, Hoegh-Guldbergsgade 10, 8000 Aarhus C, Denmark; (J.S.); (T.J.C.); (D.G.)
| | - Thomas J. Corydon
- Department of Biomedicine, Aarhus University, Hoegh-Guldbergsgade 10, 8000 Aarhus C, Denmark; (J.S.); (T.J.C.); (D.G.)
- Department of Ophthalmology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Sascha Kopp
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany; (D.M.); (S.K.); (M.Z.N.); (M.W.); (M.I.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
| | - Mohamed Zakaria Nassef
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany; (D.M.); (S.K.); (M.Z.N.); (M.W.); (M.I.)
| | - Markus Wehland
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany; (D.M.); (S.K.); (M.Z.N.); (M.W.); (M.I.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
| | - Manfred Infanger
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany; (D.M.); (S.K.); (M.Z.N.); (M.W.); (M.I.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
| | - Daniela Grimm
- Department of Biomedicine, Aarhus University, Hoegh-Guldbergsgade 10, 8000 Aarhus C, Denmark; (J.S.); (T.J.C.); (D.G.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, Pfälzer Platz, 39106 Magdeburg, Germany
| | - Marcus Krüger
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany; (D.M.); (S.K.); (M.Z.N.); (M.W.); (M.I.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
- Correspondence: ; Tel.: +49-391-6721-267
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Ayuso JM, Gong MM, Skala MC, Harari PM, Beebe DJ. Human Tumor-Lymphatic Microfluidic Model Reveals Differential Conditioning of Lymphatic Vessels by Breast Cancer Cells. Adv Healthc Mater 2020; 9:e1900925. [PMID: 31894641 DOI: 10.1002/adhm.201900925] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 11/05/2019] [Indexed: 12/26/2022]
Abstract
Breast tumor progression is a complex process involving intricate crosstalk between the primary tumor and its microenvironment. In the context of breast tumor-lymphatic interactions, it is unclear how breast cancer cells alter the gene expression of lymphatic endothelial cells and how these transcriptional changes potentiate lymphatic dysfunction. Thus, there is a need for in vitro lymphatic vessel models to study these interactions. In this work, a tumor-lymphatic microfluidic model is developed to study the differential conditioning of lymphatic vessels by estrogen receptor-positive (i.e., MCF7) and triple-negative (i.e., MDA-MB-231) breast cancer cells. The model consists of a lymphatic endothelial vessel cultured adjacently to either MCF7 or MDA-MB-231 cells. Quantitative transcriptional analysis reveals expression changes in genes related to vessel growth, permeability, metabolism, hypoxia, and apoptosis in lymphatic endothelial cells cocultured with breast cancer cells. Interestingly, these changes are different in the MCF7-lymphatic cocultures as compared to the 231-lymphatic cocultures. Importantly, these changes in gene expression correlate to functional responses, such as endothelial barrier dysfunction. These results collectively demonstrate the utility of this model for studying breast tumor-lymphatic crosstalk for multiple breast cancer subtypes.
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Affiliation(s)
- Jose M. Ayuso
- Morgridge Institute for Research Madison WI 53715 USA
- Department of Biomedical Engineering University of Wisconsin Madison WI 53706 USA
- University of Wisconsin Carbone Cancer Center Madison WI 53705 USA
| | - Max M. Gong
- Department of Biomedical Engineering University of Wisconsin Madison WI 53706 USA
- University of Wisconsin Carbone Cancer Center Madison WI 53705 USA
| | - Melissa C. Skala
- Morgridge Institute for Research Madison WI 53715 USA
- Department of Biomedical Engineering University of Wisconsin Madison WI 53706 USA
- University of Wisconsin Carbone Cancer Center Madison WI 53705 USA
| | - Paul M. Harari
- Department of Human Oncology University of Wisconsin Madison WI 53792 USA
| | - David J. Beebe
- Department of Biomedical Engineering University of Wisconsin Madison WI 53706 USA
- University of Wisconsin Carbone Cancer Center Madison WI 53705 USA
- Department of Pathology and Laboratory Medicine University of Wisconsin Madison WI 53705 USA
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Saraiva N, Costa JG, Reis C, Almeida N, Rijo P, Fernandes AS. Anti-Migratory and Pro-Apoptotic Properties of Parvifloron D on Triple-Negative Breast Cancer Cells. Biomolecules 2020; 10:biom10010158. [PMID: 31963771 PMCID: PMC7023143 DOI: 10.3390/biom10010158] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 01/02/2023] Open
Abstract
Medicinal plants are important sources of new bioactive compounds with potential anticancer activity. Parvifloron D (ParvD) is an abietane diterpenoid, isolated in high amounts from Plectranthus ecklonii Benth. Previous reports have suggested potential therapeutic properties for ParvD. ParvD has shown pro-apoptotic and cytotoxic effects in leukemia and melanoma cell lines. However, to the best of our knowledge, there are no studies in triple-negative breast cancer (TNBC) models. TNBC is a breast cancer subtype characterized by an aggressive behavior with poor clinical outcomes and weak overall therapeutic responses to the current treatment options. This work aimed at evaluating the anticancer effect of ParvD in MDA-MB-231 cells, a model of human TNBC. To obtain sufficient amounts of purified ParvD the efficiency of several extraction methods was compared. ParvD (0.1–10 µM) decreased cell viability in a concentration-dependent manner. Treatment with ParvD (5 µM) significantly increased the percentage of apoptotic nuclei and exposure to 3 µM ParvD increased the sub-G1 population. Since altered cell adherence, migration, and invasion are determinant processes for the formation of metastases, the effect of ParvD on these cellular processes was tested. Although treatment with ParvD (1 µM) had no effect on cell-substrate attachment, ParvD (1 µM) significantly reduced cell chemotaxis and invasion. This is the first report describing the proapoptotic effect of ParvD in TNBC cells. Moreover, for the first time we have shown that ParvD reduces cell motility, unraveling potential anti-metastatic properties.
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Affiliation(s)
- Nuno Saraiva
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal; (N.S.); (J.G.C.); (C.R.); (N.A.); (P.R.)
| | - João G. Costa
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal; (N.S.); (J.G.C.); (C.R.); (N.A.); (P.R.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal
| | - Catarina Reis
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal; (N.S.); (J.G.C.); (C.R.); (N.A.); (P.R.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal
| | - Nuno Almeida
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal; (N.S.); (J.G.C.); (C.R.); (N.A.); (P.R.)
| | - Patrícia Rijo
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal; (N.S.); (J.G.C.); (C.R.); (N.A.); (P.R.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal
| | - Ana Sofia Fernandes
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal; (N.S.); (J.G.C.); (C.R.); (N.A.); (P.R.)
- Correspondence:
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225
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Magnotti EL, Chan LLY, Zhu Q, Marasco WA. A high-throughput chemotaxis detection method for CCR4 + T cell migration inhibition using image cytometry. J Immunol Methods 2020; 479:112747. [PMID: 31958449 DOI: 10.1016/j.jim.2020.112747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/11/2019] [Accepted: 01/14/2020] [Indexed: 01/31/2023]
Abstract
Chemotaxis is an important aspect of immune cell behavior within the tumor microenvironment (TME). One prominent example of chemotaxis within the TME is the migration of regulatory T cells (Tregs) in response to the chemokine ligands CCL17 and CCL22. Tregs within the TME cause the suppression of anti-tumor immunity and inhibition of the effect of immunotherapeutic treatments. Therefore, the ability to screen for therapeutic antibodies that can inhibit or stimulate the chemotaxis of various immune cell types is crucial. Traditionally, chemotaxis is studied by determining the number of cells in the bottom reservoir of a Transwell microplate using flow cytometry; however, this method is time-consuming and thus not appropriate for high-throughput screening purposes. The Celigo Image Cytometer has been employed to perform high-throughput cell-based assays and was used to develop a new detection method for chemotaxis measurement. The image-based detection method was developed using chemokine ligands CCL17 and CCL22 to induce the migration of CCR4+ T cells and directly count them on the bottom of the Transwell plates. Finally, the method was applied to measure the inhibitory effects of commercially available anti-CCL17 and anti-CCL22 antibodies, which caused a dose-dependent decrease in the number of migrated T cells. The proposed image cytometry method allowed screening of multiple antibodies at various concentrations, simultaneously, which can improve the efficiency for discovering potential antibody candidates that can induce or inhibit recruitment of immune cells to the tumor microenvironment.
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Affiliation(s)
- Elizabeth L Magnotti
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, United States
| | - Leo Li-Ying Chan
- Department of Advanced Technology R&D, Nexcelom Bioscience LLC, Lawrence, MA 01843, United States.
| | - Quan Zhu
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, United States
| | - Wayne A Marasco
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, United States.
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226
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Zhou J, Lei J, Wang J, Lian CL, Hua L, He ZY, Wu SG. Bioinformatics-Based Discovery of CKLF-Like MARVEL Transmembrane Member 5 as a Novel Biomarker for Breast Cancer. Front Cell Dev Biol 2020; 7:361. [PMID: 31998718 PMCID: PMC6962189 DOI: 10.3389/fcell.2019.00361] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/12/2019] [Indexed: 12/20/2022] Open
Abstract
Chemokine-like factor (CKLF)-like MARVEL transmembrane members (CMTMs) represent a novel protein family linking the chemokine and transmembrane-4 superfamily families, which potentially play several roles in diverse physiological and pathological processes. The detailed functions and underlying molecular mechanisms of CMTMs remain elusive in breast cancer. Herein, we performed a comprehensive bioinformatic analysis to investigate the prognostic effect, potential functions, and biomolecular regulatory network of CMTMs in breast cancer. The mRNA expression level of CMTM5, in particular, was significantly downregulated in breast cancer; moreover, high mRNA expression level of CMTM5 was significantly associated with better relapse-free survival. DNA promoter hypermethylation of CMTM5 was negatively correlated with its mRNA expression levels. Furthermore, CMTM5 strongly associated with pathway in MARVEL domains, chemotaxis, cytokines, transmembrane structures, and integral component of membrane. For example, genes related to MARVEL domains, transmembrane structures, and chemokines were significantly enriched. Our findings indicate that CMTM5 can be used as a prognostic biomarker and potential therapeutic target for breast cancer.
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Affiliation(s)
- Juan Zhou
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
| | - Jian Lei
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
| | - Jun Wang
- Department of Radiation Oncology, Cancer Hospital, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
| | - Chen-Lu Lian
- Department of Radiation Oncology, Cancer Hospital, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
| | - Li Hua
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
| | - Zhen-Yu He
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - San-Gang Wu
- Department of Radiation Oncology, Cancer Hospital, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, China
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227
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Dlamini M, Kennedy TE, Juncker D. Combinatorial nanodot stripe assay to systematically study cell haptotaxis. MICROSYSTEMS & NANOENGINEERING 2020; 6:114. [PMID: 33365138 PMCID: PMC7735170 DOI: 10.1038/s41378-020-00223-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/16/2020] [Accepted: 10/13/2020] [Indexed: 05/09/2023]
Abstract
Haptotaxis is critical to cell guidance and development and has been studied in vitro using either gradients or stripe assays that present a binary choice between full and zero coverage of a protein cue. However, stripes offer only a choice between extremes, while for gradients, cell receptor saturation, migration history, and directional persistence confound the interpretation of cellular responses. Here, we introduce nanodot stripe assays (NSAs) formed by adjacent stripes of nanodot arrays with different surface coverage. Twenty-one pairwise combinations were designed using 0, 1, 3, 10, 30, 44 and 100% stripes and were patterned with 200 × 200, 400 × 400 or 800 × 800 nm2 nanodots. We studied the migration choices of C2C12 myoblasts that express neogenin on NSAs (and three-step gradients) of netrin-1. The reference surface between the nanodots was backfilled with a mixture of polyethylene glycol and poly-d-lysine to minimize nonspecific cell response. Unexpectedly, cell response was independent of nanodot size. Relative to a 0% stripe, cells increasingly chose the high-density stripe with up to ~90% of cells on stripes with 10% coverage and higher. Cell preference for higher vs. lower netrin-1 coverage was observed only for coverage ratios >2.3, with cell preference plateauing at ~80% for ratios ≥4. The combinatorial NSA enables quantitative studies of cell haptotaxis over the full range of surface coverages and ratios and provides a means to elucidate haptotactic mechanisms.
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Affiliation(s)
- Mcolisi Dlamini
- Biomedical Engineering Department, McGill University, 3775 University Street, Montréal, QC H3A 2B4 Canada
- McGill Genome Centre, 740 Dr. Penfield Avenue, Montréal, QC H3A 0G1 Canada
- McGill Program in Neuroengineering, Montréal, QC Canada
| | - Timothy E. Kennedy
- McGill Program in Neuroengineering, Montréal, QC Canada
- Department of Neurology and Neurosurgery, McGill University, 3801 University Street, Montréal, QC H3A 2B4 Canada
| | - David Juncker
- Biomedical Engineering Department, McGill University, 3775 University Street, Montréal, QC H3A 2B4 Canada
- McGill Genome Centre, 740 Dr. Penfield Avenue, Montréal, QC H3A 0G1 Canada
- McGill Program in Neuroengineering, Montréal, QC Canada
- Department of Neurology and Neurosurgery, McGill University, 3801 University Street, Montréal, QC H3A 2B4 Canada
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228
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Haring AP, Thompson EG, Hernandez RD, Laheri S, Harrigan ME, Lear T, Sontheimer H, Johnson BN. 3D Printed Multiplexed Competitive Migration Assays with Spatially Programmable Release Sources. ADVANCED BIOSYSTEMS 2020; 4:e1900225. [PMID: 32293127 PMCID: PMC7687855 DOI: 10.1002/adbi.201900225] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/07/2019] [Indexed: 12/22/2022]
Abstract
Here, a 3D printed multiplexed competitive migration assay is reported for characterizing a chemotactic response in the presence of multiple spatially distributed chemoattractants. The utility of the assay is demonstrated by examining the chemotactic response of human glioblastoma cells to spatially opposing chemotactic gradients of epidermal growth factor (EGF) and bradykinin (BK). Competitive migration assays involving spatially opposing gradients of EGF and BK that are optimized in the absence of the second chemoattractant show that 46% more glioblastoma cells migrate toward EGF sources. The migration velocities of human glioblastoma cells toward EGF and BK sources are reduced by 7.6 ± 2.2% and 11.6 ± 6.3% relative to those found in the absence of the spatially opposing chemoattractant. This work provides new insight to the chemotactic response associated with glioblastoma-vasculature interactions and a versatile, user-friendly platform for characterizing the chemotactic response of cells in the presence of multiple spatially distributed chemoattractants.
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Affiliation(s)
- Alexander P Haring
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Emily G Thompson
- Glial Biology in Health, Disease and Cancer Center, Carillion Fralin Biomedical Research Institute, Roanoke, VA, 24016, USA
| | - Raymundo D Hernandez
- Glial Biology in Health, Disease and Cancer Center, Carillion Fralin Biomedical Research Institute, Roanoke, VA, 24016, USA
| | - Sahil Laheri
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Megan E Harrigan
- Glial Biology in Health, Disease and Cancer Center, Carillion Fralin Biomedical Research Institute, Roanoke, VA, 24016, USA
| | - Taylor Lear
- Glial Biology in Health, Disease and Cancer Center, Carillion Fralin Biomedical Research Institute, Roanoke, VA, 24016, USA
| | - Harald Sontheimer
- Glial Biology in Health, Disease and Cancer Center, Carillion Fralin Biomedical Research Institute, Roanoke, VA, 24016, USA
- School of Neuroscience, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Blake N Johnson
- School of Neuroscience, Virginia Tech, Blacksburg, VA, 24061, USA
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229
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Cao Y, Ghabache E, Miao Y, Niman C, Hakozaki H, Reck-Peterson SL, Devreotes PN, Rappel WJ. A minimal computational model for three-dimensional cell migration. J R Soc Interface 2019; 16:20190619. [PMID: 31847757 DOI: 10.1098/rsif.2019.0619] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
During migration, eukaryotic cells can continuously change their three-dimensional morphology, resulting in a highly dynamic and complex process. Further complicating this process is the observation that the same cell type can rapidly switch between different modes of migration. Modelling this complexity necessitates models that are able to track deforming membranes and that can capture the intracellular dynamics responsible for changes in migration modes. Here we develop an efficient three-dimensional computational model for cell migration, which couples cell mechanics to a simple intracellular activator-inhibitor signalling system. We compare the computational results to quantitative experiments using the social amoeba Dictyostelium discoideum. The model can reproduce the observed migration modes generated by varying either mechanical or biochemical model parameters and suggests a coupling between the substrate and the biomechanics of the cell.
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Affiliation(s)
- Yuansheng Cao
- Department of Physics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Elisabeth Ghabache
- Department of Physics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Yuchuan Miao
- Department of Biological Chemistry, School of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Cassandra Niman
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Hiroyuki Hakozaki
- National Center for Microscopy and Imaging Research, University of California, San Diego, La Jolla, CA 92093, USA
| | - Samara L Reck-Peterson
- Department of Cellular and Molecular Medicine, Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA.,Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
| | - Peter N Devreotes
- Department of Cell Biology, Johns Hopkins University, Baltimore, MD, USA
| | - Wouter-Jan Rappel
- Department of Physics, University of California, San Diego, La Jolla, CA 92093, USA
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230
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Azimzade Y, Saberi AA, Sahimi M. Effect of heterogeneity and spatial correlations on the structure of a tumor invasion front in cellular environments. Phys Rev E 2019; 100:062409. [PMID: 31962455 DOI: 10.1103/physreve.100.062409] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Indexed: 06/10/2023]
Abstract
Analysis of invasion front has been widely used to decipher biological properties, as well as the growth dynamics of the corresponding populations. Likewise, the invasion front of tumors has been investigated, from which insights into the biological mechanisms of tumor growth have been gained. We develop a model to study how tumors' invasion front depends on the relevant properties of a cellular environment. To do so, we develop a model based on a nonlinear reaction-diffusion equation, the Fisher-Kolmogorov-Petrovsky-Piskunov equation, to model tumor growth. Our study aims to understand how heterogeneity in the cellular environment's stiffness, as well as spatial correlations in its morphology, the existence of both of which has been demonstrated by experiments, affects the properties of tumor invasion front. It is demonstrated that three important factors affect the properties of the front, namely the spatial distribution of the local diffusion coefficients, the spatial correlations between them, and the ratio of the cells' duplication rate and their average diffusion coefficient. Analyzing the scaling properties of tumor invasion front computed by solving the governing equation, we show that, contrary to several previous claims, the invasion front of tumors and cancerous cell colonies cannot be described by the well-known models of kinetic growth, such as the Kardar-Parisi-Zhang equation.
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Affiliation(s)
- Youness Azimzade
- Department of Physics, University of Tehran, Tehran 14395-547, Iran
| | - Abbas Ali Saberi
- Department of Physics, University of Tehran, Tehran 14395-547, Iran
- Institut für Theoretische Physik, Universitat zu Köln, 50937 Köln, Germany
| | - Muhammad Sahimi
- Mork Family Department of Chemical Engineering Materials Science, University of Southern California, Los Angeles, California 90089-1211, USA
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231
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Affiliation(s)
- Jinyao Tang
- Department of Chemistry, The University of Hong Kong, Hong Kong, China.
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232
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Fetah KL, DiPardo BJ, Kongadzem EM, Tomlinson JS, Elzagheid A, Elmusrati M, Khademhosseini A, Ashammakhi N. Cancer Modeling-on-a-Chip with Future Artificial Intelligence Integration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1901985. [PMID: 31724305 PMCID: PMC6929691 DOI: 10.1002/smll.201901985] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 07/22/2019] [Indexed: 05/15/2023]
Abstract
Cancer is one of the leading causes of death worldwide, despite the large efforts to improve the understanding of cancer biology and development of treatments. The attempts to improve cancer treatment are limited by the complexity of the local milieu in which cancer cells exist. The tumor microenvironment (TME) consists of a diverse population of tumor cells and stromal cells with immune constituents, microvasculature, extracellular matrix components, and gradients of oxygen, nutrients, and growth factors. The TME is not recapitulated in traditional models used in cancer investigation, limiting the translation of preliminary findings to clinical practice. Advances in 3D cell culture, tissue engineering, and microfluidics have led to the development of "cancer-on-a-chip" platforms that expand the ability to model the TME in vitro and allow for high-throughput analysis. The advances in the development of cancer-on-a-chip platforms, implications for drug development, challenges to leveraging this technology for improved cancer treatment, and future integration with artificial intelligence for improved predictive drug screening models are discussed.
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Affiliation(s)
- Kirsten Lee Fetah
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095, USA
- California NanoSystems Institute (CNSI), University of California, 570 Westwood Plaza, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
| | - Benjamin J DiPardo
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Eve-Mary Kongadzem
- School of Technology and Innovations, University of Vaasa, FI-65101, Vaasa, Finland
| | - James S Tomlinson
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Adam Elzagheid
- Biotechnology Research Center, Libyan Authority for Research, Science and Technology, Tripoli, Libya
| | - Mohammed Elmusrati
- School of Technology and Innovations, University of Vaasa, FI-65101, Vaasa, Finland
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095, USA
- California NanoSystems Institute (CNSI), University of California, 570 Westwood Plaza, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
- Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095, USA
- California NanoSystems Institute (CNSI), University of California, 570 Westwood Plaza, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
- School of Technology and Innovations, University of Vaasa, FI-65101, Vaasa, Finland
- Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
- Division of Plastic Surgery, Department of Surgery, Oulu University, FI-9001, Oulu, Finland
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233
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Human Recombinant Arginase I [HuArgI (Co)-PEG5000]-Induced Arginine Depletion Inhibits Colorectal Cancer Cell Migration and Invasion. Int J Mol Sci 2019; 20:ijms20236018. [PMID: 31795337 PMCID: PMC6929075 DOI: 10.3390/ijms20236018] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/26/2019] [Accepted: 11/27/2019] [Indexed: 12/22/2022] Open
Abstract
Purpose: Colorectal cancer (CRC) is the third most common type of cancer worldwide, and it represents over half of all gastrointestinal cancer deaths. Knowing that cancer cells have a high proliferation rate, they require high amounts of amino acids, including arginine. In addition, several tumor types have been shown to downregulate ASS-1 expression, becoming auxotrophic for arginine. Therefore, Arginine deprivation is one of the promising therapeutic approaches to target cancer cells. This can be achieved through the use of a recombinant human arginase, HuArgI(Co)-PEG5000, an arginine degrading enzyme. Methods: In this present study, the cytotoxic effect of HuArgI(Co)-PEG5000 on CRC cell lines (HT-29, Caco-2, Sw837) is examined though cytotoxicity assays. Wound healing assays, invasion assays, and adhesion assays were also performed to detect the effect on metastasis. Results: Wound healing and invasion assays revealed a decrease in cell migration and invasion after treatment with arginase. Cells that were treated with arginase also showed a decrease in adhesion, which coincided with a decrease in RhoA activation, demonstrated though the use of a FRET biosensor to detect RhoA activation in a single cell assay, and a decrease in MMP-9 expression. Treating cells with both arginase and L-citrulline, which significantly restores intracellular arginine levels, reversed the effect of HuArgI(Co)-PEG5000 on cell viability, migration, and invasion. Conclusion: We can, therefore, conclude that colorectal cancer is partially auxotrophic to arginine and that arginine depletion is a potential selective inhibitory approach for motility and invasion in colon cancer cells.
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234
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Eslami Amirabadi H, Tuerlings M, Hollestelle A, SahebAli S, Luttge R, van Donkelaar CC, Martens JWM, den Toonder JMJ. Characterizing the invasion of different breast cancer cell lines with distinct E-cadherin status in 3D using a microfluidic system. Biomed Microdevices 2019; 21:101. [PMID: 31760501 PMCID: PMC6875428 DOI: 10.1007/s10544-019-0450-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
E-cadherin is a cell-cell adhesion protein that plays a prominent role in cancer invasion. Inactivation of E-cadherin in breast cancer can arise from gene promoter hypermethylation or genetic mutation. Depending on their E-cadherin status, breast cancer cells adopt different morphologies with distinct invasion modes. The tumor microenvironment (TME) can also affect the cell morphology and invasion mode. In this paper, we used a previously developed microfluidic system to quantify the three-dimensional invasion of breast cancer cells with different E-cadherin status, namely MCF-7, CAMA-1 and MDA-MB-231 with wild type, mutated and promoter hypermethylated E-cadherin, respectively. The cells migrated into a stable and reproducible microfibrous polycaprolactone mesh in the chip under a programmed stable chemotactic gradient. We observed that the MDA-MB-231 cells invaded the most, as single cells. MCF-7 cells collectively invaded into the matrix more than CAMA-1 cells, maintaining their E-cadherin expression. The CAMA-1 cells exhibited multicellular multifocal infiltration into the matrix. These results are consistent with what is seen in vivo in the cancer biology literature. In addition, comparison between complete serum and serum gradient conditions showed that the MDA-MB-231 cells invaded more under the serum gradient after one day, however this behavior was inverted after 3 days. The results showcase that the microfluidic system can be used to quantitatively assess the invasion behavior of cancer cells with different E-cadherin expression, for a longer period than conventional invasion models. In the future, it can be used to quantitatively investigate effects of matrix structure and cell treatments on cancer invasion.
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Affiliation(s)
- H Eslami Amirabadi
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
- Healthy living division, TNO, Zeist, the Netherlands
- Institute for Pharmeceutical Sciences, Department of Pharmacology, Utrecht University, Utrecht, the Netherlands
| | - M Tuerlings
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
- Orthopaedic Biomechanics group, Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - A Hollestelle
- Department of Medical oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - S SahebAli
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - R Luttge
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - C C van Donkelaar
- Orthopaedic Biomechanics group, Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - J W M Martens
- Department of Medical oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - J M J den Toonder
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands.
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235
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Juin A, Spence HJ, Martin KJ, McGhee E, Neilson M, Cutiongco MFA, Gadegaard N, Mackay G, Fort L, Lilla S, Kalna G, Thomason P, Koh YWH, Norman JC, Insall RH, Machesky LM. N-WASP Control of LPAR1 Trafficking Establishes Response to Self-Generated LPA Gradients to Promote Pancreatic Cancer Cell Metastasis. Dev Cell 2019; 51:431-445.e7. [PMID: 31668663 PMCID: PMC6863394 DOI: 10.1016/j.devcel.2019.09.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 07/23/2019] [Accepted: 09/24/2019] [Indexed: 02/07/2023]
Abstract
Pancreatic ductal adenocarcinoma is one of the most invasive and metastatic cancers and has a dismal 5-year survival rate. We show that N-WASP drives pancreatic cancer metastasis, with roles in both chemotaxis and matrix remodeling. lysophosphatidic acid, a signaling lipid abundant in blood and ascites fluid, is both a mitogen and chemoattractant for cancer cells. Pancreatic cancer cells break lysophosphatidic acid down as they respond to it, setting up a self-generated gradient driving tumor egress. N-WASP-depleted cells do not recognize lysophosphatidic acid gradients, leading to altered RhoA activation, decreased contractility and traction forces, and reduced metastasis. We describe a signaling loop whereby N-WASP and the endocytic adapter SNX18 promote lysophosphatidic acid-induced RhoA-mediated contractility and force generation by controlling lysophosphatidic acid receptor recycling and preventing degradation. This chemotactic loop drives collagen remodeling, tumor invasion, and metastasis and could be an important target against pancreatic cancer spread.
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Affiliation(s)
| | | | | | | | | | - Marie F A Cutiongco
- Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow G12 8LT, UK
| | - Nikolaj Gadegaard
- Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow G12 8LT, UK
| | | | - Loic Fort
- CRUK Beatson Institute, Glasgow G61 1BD, UK
| | | | | | | | | | - Jim C Norman
- CRUK Beatson Institute, Glasgow G61 1BD, UK; Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1BD, UK
| | - Robert H Insall
- CRUK Beatson Institute, Glasgow G61 1BD, UK; Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1BD, UK
| | - Laura M Machesky
- CRUK Beatson Institute, Glasgow G61 1BD, UK; Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1BD, UK.
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236
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Lam KH, Kivanany PB, Grose K, Yonet-Tanyeri N, Alsmadi N, Varner VD, Petroll WM, Schmidtke DW. A high-throughput microfluidic method for fabricating aligned collagen fibrils to study Keratocyte behavior. Biomed Microdevices 2019; 21:99. [PMID: 31741114 PMCID: PMC7228026 DOI: 10.1007/s10544-019-0436-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
In vivo, keratocytes are surrounded by aligned type I collagen fibrils that are organized into lamellae. A growing body of literature suggests that the unique topography of the corneal stroma is an important regulator of keratocyte behavior. In this study we describe a microfluidic method to deposit aligned fibrils of type I collagen onto glass coverslips. This high-throughput method allowed for the simultaneous coating of up to eight substrates with aligned collagen fibrils. When these substrates were integrated into a PDMS microwell culture system they provided a platform for high-resolution imaging of keratocyte behavior. Through the use of wide-field fluorescence and differential interference contrast microscopy, we observed that the density of collagen fibrils deposited was dependent upon both the perfusion shear rate of collagen and the time of perfusion. In contrast, a similar degree of fibril alignment was observed over a range of shear rates. When primary normal rabbit keratocytes (NRK) were seeded on substrates with a high density of aligned collagen fibrils and cultured in the presence of platelet derived growth factor (PDGF) the keratocytes displayed an elongated cell body that was co-aligned with the underlying collagen fibrils. In contrast, when NRK were cultured on substrates with a low density of aligned collagen fibrils, the cells showed no preferential orientation. These results suggest that this simple and inexpensive method can provide a general platform to study how simultaneous exposure to topographical and soluble cues influence cell behavior.
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Affiliation(s)
- Kevin H Lam
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX, 75080, USA
| | - Pouriska B Kivanany
- Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, 75390-9057, USA
| | - Kyle Grose
- Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, 75390-9057, USA
| | - Nihan Yonet-Tanyeri
- Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, 75390-9057, USA
| | - Nesreen Alsmadi
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX, 75080, USA
| | - Victor D Varner
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX, 75080, USA
- Department of Surgery, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, 75390-9057, USA
| | - W Matthew Petroll
- Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, 75390-9057, USA
| | - David W Schmidtke
- Department of Bioengineering, University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX, 75080, USA.
- Department of Surgery, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, 75390-9057, USA.
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237
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Visweshwaran SP, Maritzen T. A simple 3D cellular chemotaxis assay and analysis workflow suitable for a wide range of migrating cells. MethodsX 2019; 6:2807-2821. [PMID: 31871915 PMCID: PMC6909357 DOI: 10.1016/j.mex.2019.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/04/2019] [Indexed: 12/30/2022] Open
Abstract
Cellular migration plays a crucial role within multicellular organisms enabling organ development, wound healing and efficient immune responses, but also metastasis. Therefore, it is crucial to dissect the underlying mechanisms. Directed migration and invasion are most efficient in response to chemotactic signals. To study cell migration and chemotactic responses, current experimental setups use either simplified 2D, tissue-mimetic 3D (e.g. collagen matrices) or in vivo environments. While the in vivo experiments are closest to the real physiological situation, they require animal experiments and are thus ill-suited for screening purposes. 3D matrices, on the other hand, can mimic in vivo conditions in many respects thus serving as instructive settings for the initial dissection of cell migration and chemotaxis. However, performing 3D chemotaxis assays has its limitations due to the delicate nature of most available setups and the tedious and time-consuming manual quantification process. Here, we present •A method for the easy construction of a chemotaxis chamber suitable for the analysis of large cell numbers.•A procedure to quantify their migration automatically with minimal input required by the experimenter.•Both successfully validated by analyzing the 3D chemotaxis of highly migratory primary dendritic cells and the invasive MDA-MB-231 cancer cells.
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Affiliation(s)
- Sai P Visweshwaran
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Tanja Maritzen
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
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238
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Chowkwale M, Mahler GJ, Huang P, Murray BT. A multiscale in silico model of endothelial to mesenchymal transformation in a tumor microenvironment. J Theor Biol 2019; 480:229-240. [PMID: 31430445 DOI: 10.1016/j.jtbi.2019.08.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 08/01/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022]
Abstract
Endothelial to mesenchymal transformation (EndMT) is a process in which endothelial cells gain a mesenchymal-like phenotype in response to mechanobiological signals that results in the remodeling or repair of underlying tissue. While initially associated with embryonic development, this process has since been shown to occur in adult tissue remodeling including wound healing, fibrosis, and cancer. In an attempt to understand the role of EndMT in cancer progression and metastasis, we present a multiscale, three-dimensional, in silico model. The model couples tissue level phenomena such as extracellular matrix remodeling, cellular level phenomena such as migration and proliferation, and chemical transport in the tumor microenvironment to mimic in vitro tissue models of the cancer microenvironment. The model is used to study the presence of EndMT-derived activated fibroblasts (EDAFs) and varying substrate stiffness on tumor cell migration and proliferation. The simulations accurately model the behavior of tumor cells under given conditions. The presence of EDAFs and/or an increase in substrate stiffness resulted in an increase in tumor cell activity. This model lays the foundation of further studies of EDAFs in a tumor microenvironment on a cellular and subcellular physiological level.
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Affiliation(s)
- M Chowkwale
- Department of Biomedical Engineering, Binghamton University, PO Box 6000, Binghamton, NY 13902, USA
| | - G J Mahler
- Department of Biomedical Engineering, Binghamton University, PO Box 6000, Binghamton, NY 13902, USA
| | - P Huang
- Department of Mechanical Engineering, Binghamton University, PO Box 6000, Binghamton, NY 13902, USA
| | - B T Murray
- Department of Mechanical Engineering, Binghamton University, PO Box 6000, Binghamton, NY 13902, USA.
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239
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Morrow CM, Mukherjee A, Traore MA, Leaman EJ, Kim A, Smith EM, Nain AS, Behkam B. Integrating nanofibers with biochemical gradients to investigate physiologically-relevant fibroblast chemotaxis. LAB ON A CHIP 2019; 19:3641-3651. [PMID: 31560021 DOI: 10.1039/c9lc00602h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Persistent cell migration can occur due to anisotropy in the extracellular matrix (ECM), the gradient of a chemo-effector, or a combination of both. Through a variety of in vitro platforms, the contributions of either stimulus have been extensively studied, while the combined effect of both cues remains poorly described. Here, we report an integrative microfluidic chemotaxis assay device that enables the study of single cell chemotaxis on ECM-mimicking, aligned, and suspended nanofibers. Using this assay, we evaluated the effect of fiber spacing on the morphology and chemotaxis response of embryonic murine NIH/3T3 fibroblasts in the presence of temporally invariant, linear gradients of platelet-derived growth factor-BB (PDGF-BB). We found that the strength of PDGF-mediated chemotaxis response depends on not only the gradient slope but also the cell morphology. Low aspect ratio (3.4 ± 0.2) cells on flat substrata exhibited a chemotaxis response only at a PDGF-BB gradient of 0-10 ng mL-1. However, high aspect ratio (19.1 ± 0.7) spindle-shaped cells attached to individual fibers exhibited maximal chemotaxis response at a ten-fold shallower gradient of 0-1 ng mL-1, which was robustly maintained up to 0-10 ng mL-1. Quadrilateral-shaped cells of intermediate aspect ratio (13.6 ± 0.8) attached to two fibers exhibited a weaker response compared to the spindle-shaped cells, but still stronger compared to cells attached to 2D featureless substrata. Through pharmacological inhibition, we show that the mesenchymal chemotaxis pathway is conserved in cells on fibers. Altogether, our findings show that chemotaxis on ECM-mimicking fibers is modulated by fiber spacing-driven cell shape and can be significantly different from the behavior observed on flat 2D substrata. We envisage that this microfluidic platform will have wide applicability in understanding the combined role of ECM architecture and chemotaxis in physiological and pathological processes.
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Affiliation(s)
- Carmen M Morrow
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
| | - Apratim Mukherjee
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
| | - Mahama A Traore
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA. and School of Biomedical Engineering & Sciences, Virginia Tech, Blacksburg, VA 24061, USA
| | - Eric J Leaman
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
| | - AhRam Kim
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
| | - Evan M Smith
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
| | - Amrinder S Nain
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA. and School of Biomedical Engineering & Sciences, Virginia Tech, Blacksburg, VA 24061, USA
| | - Bahareh Behkam
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA. and School of Biomedical Engineering & Sciences, Virginia Tech, Blacksburg, VA 24061, USA
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240
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Painter KJ. Mathematical models for chemotaxis and their applications in self-organisation phenomena. J Theor Biol 2019; 481:162-182. [DOI: 10.1016/j.jtbi.2018.06.019] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/20/2018] [Accepted: 06/22/2018] [Indexed: 01/31/2023]
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241
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Di Martino JS, Mondal C, Bravo-Cordero JJ. Textures of the tumour microenvironment. Essays Biochem 2019; 63:619-629. [PMID: 31654075 PMCID: PMC6839695 DOI: 10.1042/ebc20190019] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 09/09/2019] [Accepted: 09/10/2019] [Indexed: 02/07/2023]
Abstract
In this review, we present recent findings on the dynamic nature of the tumour microenvironment (TME) and how intravital microscopy studies have defined TME components in a spatiotemporal manner. Intravital microscopy has shed light into the nature of the TME, revealing structural details of both tumour cells and other TME co-habitants in vivo, how these cells communicate with each other, and how they are organized in three-dimensional space to orchestrate tumour growth, invasion, dissemination and metastasis. We will review different imaging tools, imaging reporters and fate-mapping strategies that have begun to uncover the complexity of the TME in vivo.
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Affiliation(s)
- Julie S Di Martino
- Department of Medicine, Division of Hematology and Oncology, The Tisch Cancer Institute, Icahn School of Medicine at
Mount Sinai, New York, New York, USA
| | - Chandrani Mondal
- Department of Medicine, Division of Hematology and Oncology, The Tisch Cancer Institute, Icahn School of Medicine at
Mount Sinai, New York, New York, USA
| | - Jose Javier Bravo-Cordero
- Department of Medicine, Division of Hematology and Oncology, The Tisch Cancer Institute, Icahn School of Medicine at
Mount Sinai, New York, New York, USA
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242
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Du Y, Lü C, Liu C, Han Z, Li J, Chen W, Qu S, Destrade M. Prescribing patterns in growing tubular soft matter by initial residual stress. SOFT MATTER 2019; 15:8468-8474. [PMID: 31589217 DOI: 10.1039/c9sm01563a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Initial residual stress is omnipresent in biological tissues and soft matter, and can affect growth-induced pattern selection significantly. Here we demonstrate this effect experimentally by letting soft tubes grow in the presence or absence of initial residual stress and by observing different growth pattern evolutions. These experiments motivate us to model the mechanisms at play when a growing bilayer tubular organ spontaneously displays buckling patterns on its inner surface. We demonstrate that not only differential growth, geometry and elasticity, but also initial residual stress distribution, exert a notable influence on these pattern phenomena. Prescribing an initial residual stress distribution offers an alternative or a more effective way to implement pattern selection for growable bio-tissues or soft matter. The results also show promise for the design of 4D bio-mimic printing protocols or for controlling hydrogel actuators.
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Affiliation(s)
- Yangkun Du
- Department of Engineering Mechanics, Zhejiang University, Hangzhou, P. R. China
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243
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Rapp L, Zimmermann W. Universal aspects of collective behavior in chemotactic systems. Phys Rev E 2019; 100:032609. [PMID: 31639896 DOI: 10.1103/physreve.100.032609] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Indexed: 11/07/2022]
Abstract
We investigate the collective dynamics of particles (e.g., microorganisms) interacting via chemotactic gradients. Specifically, we focus on continuum models for chemotaxis that include a damping of the chemical production with increasing local particle density and/or systems where the chemotactic sensitivity is reduced with increasing local concentration of the chemical. Using a recently introduced perturbative method [Phys. Rev. E 98, 020603 (2018)10.1103/PhysRevE.98.020603], we show that the onset of particle clustering in these systems is described by the universal Cahn-Hilliard (CH) model. On the one hand, this establishes particle-conserving models for chemotaxis as a further example for the universal class of nonequilibrium demixing phenomena we call active phase separation. On the other hand, the reduction to the CH model allows an analytical determination of suitable parameter ranges wherein, e.g., the transition to spatial density modulations is continuous and/or undesired blow-up solutions can be avoided. A comparison between the numerical solutions of the chemotaxis model and the derived CH model also provides the parameter range where the basic chemotaxis model behaves like other systems showing active phase separation, including the coarsening behavior in two spatial dimensions. Our approach highlights how basic principles of pattern formation theory allow the identification of common basic properties in different chemotaxis models.
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Affiliation(s)
- Lisa Rapp
- Theoretische Physik I, Universität Bayreuth, 95440 Bayreuth, Germany
| | - Walter Zimmermann
- Theoretische Physik I, Universität Bayreuth, 95440 Bayreuth, Germany
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244
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Cao Y, Ghabache E, Rappel WJ. Plasticity of cell migration resulting from mechanochemical coupling. eLife 2019; 8:e48478. [PMID: 31625907 PMCID: PMC6799977 DOI: 10.7554/elife.48478] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 10/02/2019] [Indexed: 01/07/2023] Open
Abstract
Eukaryotic cells can migrate using different modes, ranging from amoeboid-like, during which actin filled protrusions come and go, to keratocyte-like, characterized by a stable morphology and persistent motion. How cells can switch between these modes is not well understood but waves of signaling events are thought to play an important role in these transitions. Here we present a simple two-component biochemical reaction-diffusion model based on relaxation oscillators and couple this to a model for the mechanics of cell deformations. Different migration modes, including amoeboid-like and keratocyte-like, naturally emerge through transitions determined by interactions between biochemical traveling waves, cell mechanics and morphology. The model predictions are explicitly verified by systematically reducing the protrusive force of the actin network in experiments using Dictyostelium discoideum cells. Our results indicate the importance of coupling signaling events to cell mechanics and morphology and may be applicable in a wide variety of cell motility systems.
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Affiliation(s)
- Yuansheng Cao
- Department of PhysicsUniversity of California, San DiegoLa JollaUnited States
| | - Elisabeth Ghabache
- Department of PhysicsUniversity of California, San DiegoLa JollaUnited States
| | - Wouter-Jan Rappel
- Department of PhysicsUniversity of California, San DiegoLa JollaUnited States
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245
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Osawa T, Wang W, Dai J, Keller ET. Macrofluidic recirculating model of skeletal metastasis. Sci Rep 2019; 9:14979. [PMID: 31628348 PMCID: PMC6802200 DOI: 10.1038/s41598-019-50577-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 09/16/2019] [Indexed: 01/17/2023] Open
Abstract
While microfluidic systems model aspects of metastasis, they are limited to artificially created tissues of limited complexity. We set out to develop an in vitro model of tumor cell migration from a primary tumor to a distant site that allows use of tissue. Accordingly, we created a macrofluidic model using culture plate wells connected with type I collagen-coated large bore tubing and has recirculating media. Green fluorescent protein-positive prostate carcinoma cells in a hydrogel or excised tumor xenografts from mice were placed into primary tumor sites and either human bone stromal cells (HS-5) in a hydrogel or human-derived bone chips were seeded into metastatic sites. Cells from the primary sites migrated to and grew in metastatic sites. Bone enhanced growth at metastatic sites and established a CXCL12 gradient that was higher in metastatic versus primary sites. AMD3100-mediated inhibition of CXCL12 function reduced the number of cells targeting the bone at the metastatic sites. In summary, we have developed a macrofluidic metastasis model that allows incorporation of tumor and metastatic microenvironment tissues and models chemotaxis. This system allows for incorporation of tumor heterogeneity and inclusion of an intact microenvironment. These features will facilitate identification of mechanisms and therapeutics for bone metastasis.
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Affiliation(s)
- Takahiro Osawa
- Department of Urology, University of Michigan, Michigan, USA
| | - Wenchu Wang
- Department of Urology, University of Michigan, Michigan, USA
| | - Jinlu Dai
- Department of Urology, University of Michigan, Michigan, USA
| | - Evan T Keller
- Department of Urology, University of Michigan, Michigan, USA.
- Biointerfaces Institute, University of Michigan, Michigan, USA.
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246
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Gomes AP, Ilter D, Low V, Rosenzweig A, Shen ZJ, Schild T, Rivas MA, Er EE, McNally DR, Mutvei AP, Han J, Ou YH, Cavaliere P, Mullarky E, Nagiec M, Shin S, Yoon SO, Dephoure N, Massagué J, Melnick AM, Cantley LC, Tyler JK, Blenis J. Dynamic Incorporation of Histone H3 Variants into Chromatin Is Essential for Acquisition of Aggressive Traits and Metastatic Colonization. Cancer Cell 2019; 36:402-417.e13. [PMID: 31564638 PMCID: PMC6801101 DOI: 10.1016/j.ccell.2019.08.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 06/07/2019] [Accepted: 08/16/2019] [Indexed: 12/19/2022]
Abstract
Metastasis is the leading cause of cancer mortality. Chromatin remodeling provides the foundation for the cellular reprogramming necessary to drive metastasis. However, little is known about the nature of this remodeling and its regulation. Here, we show that metastasis-inducing pathways regulate histone chaperones to reduce canonical histone incorporation into chromatin, triggering deposition of H3.3 variant at the promoters of poor-prognosis genes and metastasis-inducing transcription factors. This specific incorporation of H3.3 into chromatin is both necessary and sufficient for the induction of aggressive traits that allow for metastasis formation. Together, our data clearly show incorporation of histone variant H3.3 into chromatin as a major regulator of cell fate during tumorigenesis, and histone chaperones as valuable therapeutic targets for invasive carcinomas.
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Affiliation(s)
- Ana P Gomes
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA.
| | - Didem Ilter
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Vivien Low
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Adam Rosenzweig
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Zih-Jie Shen
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Tanya Schild
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Martin A Rivas
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Ekrem E Er
- Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
| | - Dylan R McNally
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Anders P Mutvei
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Julie Han
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Yi-Hung Ou
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Paola Cavaliere
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Biochemistry, Weill Cornell Medicine, New York, NY 10021, USA
| | - Edouard Mullarky
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Michal Nagiec
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Sejeong Shin
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Sang-Oh Yoon
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Noah Dephoure
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Biochemistry, Weill Cornell Medicine, New York, NY 10021, USA
| | - Joan Massagué
- Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
| | - Ari M Melnick
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Lewis C Cantley
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Jessica K Tyler
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - John Blenis
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Department of Pharmacology, Weill Cornell Medicine, New York, NY 10021, USA.
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247
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Puleo JI, Parker SS, Roman MR, Watson AW, Eliato KR, Peng L, Saboda K, Roe DJ, Ros R, Gertler FB, Mouneimne G. Mechanosensing during directed cell migration requires dynamic actin polymerization at focal adhesions. J Cell Biol 2019; 218:4215-4235. [PMID: 31594807 PMCID: PMC6891092 DOI: 10.1083/jcb.201902101] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 06/16/2019] [Accepted: 09/06/2019] [Indexed: 11/22/2022] Open
Abstract
The mechanical properties of a cell's microenvironment influence many aspects of cellular behavior, including cell migration. Durotaxis, the migration toward increasing matrix stiffness, has been implicated in processes ranging from development to cancer. During durotaxis, mechanical stimulation by matrix rigidity leads to directed migration. Studies suggest that cells sense mechanical stimuli, or mechanosense, through the acto-myosin cytoskeleton at focal adhesions (FAs); however, FA actin cytoskeletal remodeling and its role in mechanosensing are not fully understood. Here, we show that the Ena/VASP family member, Ena/VASP-like (EVL), polymerizes actin at FAs, which promotes cell-matrix adhesion and mechanosensing. Importantly, we show that EVL regulates mechanically directed motility, and that suppression of EVL expression impedes 3D durotactic invasion. We propose a model in which EVL-mediated actin polymerization at FAs promotes mechanosensing and durotaxis by maturing, and thus reinforcing, FAs. These findings establish dynamic FA actin polymerization as a central aspect of mechanosensing and identify EVL as a crucial regulator of this process.
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Affiliation(s)
- Julieann I Puleo
- Department of Cellular and Molecular Medicine, University of Arizona Cancer Center, University of Arizona, Tucson, AZ
| | - Sara S Parker
- Department of Cellular and Molecular Medicine, University of Arizona Cancer Center, University of Arizona, Tucson, AZ
| | - Mackenzie R Roman
- Department of Cellular and Molecular Medicine, University of Arizona Cancer Center, University of Arizona, Tucson, AZ
| | - Adam W Watson
- Department of Cellular and Molecular Medicine, University of Arizona Cancer Center, University of Arizona, Tucson, AZ
| | - Kiarash Rahmani Eliato
- Department of Physics, Center for Biological Physics, and Biodesign Institute, Arizona State University, Tempe, AZ
| | - Leilei Peng
- College of Optical Sciences, University of Arizona, Tucson, AZ
| | - Kathylynn Saboda
- University of Arizona Cancer Center and Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ
| | - Denise J Roe
- University of Arizona Cancer Center and Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ
| | - Robert Ros
- Department of Physics, Center for Biological Physics, and Biodesign Institute, Arizona State University, Tempe, AZ
| | - Frank B Gertler
- The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA.,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA
| | - Ghassan Mouneimne
- Department of Cellular and Molecular Medicine, University of Arizona Cancer Center, University of Arizona, Tucson, AZ
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248
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Matrix promote mesenchymal stromal cell migration with improved deformation via nuclear stiffness decrease. Biomaterials 2019; 217:119300. [DOI: 10.1016/j.biomaterials.2019.119300] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 06/16/2019] [Accepted: 06/22/2019] [Indexed: 12/13/2022]
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249
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Krzysiek-Maczka G, Wrobel T, Targosz A, Szczyrk U, Strzalka M, Ptak-Belowska A, Czyz J, Brzozowski T. Helicobacter pylori-activated gastric fibroblasts induce epithelial-mesenchymal transition of gastric epithelial cells in vitro in a TGF-β-dependent manner. Helicobacter 2019; 24:e12653. [PMID: 31411795 DOI: 10.1111/hel.12653] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/03/2019] [Accepted: 07/06/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Colonization of the gastric mucosa with Helicobacter pylori (Hp) leads to the cascade of pathologic events including local inflammation, gastric ulceration, and adenocarcinoma formation. Paracrine loops between tissue cells and Hp contribute to the formation of gastric cancerous loci; however, the specific mechanisms underlying existence of these loops remain unknown. We determined the phenotypic properties of gastric fibroblasts exposed to Hp (cagA+vacA+) infection and their influence on normal epithelial RGM-1 cells. MATERIALS AND METHODS RGM-1 cells were cultured in the media conditioned with Hp-activated gastric fibroblasts. Their morphology and phenotypical changes associated with epithelial-mesenchymal transition (EMT) were assessed by Nomarski and fluorescence microscopy and Western blot analysis. Motility pattern of RGM-1 cells was examined by time-lapse video microscopy and transwell migration assay. The content of TGF-β in Hp-activated fibroblast-conditioned media was determined by ELISA. RESULTS The supernatant from Hp-activated gastric fibroblasts caused the EMT-like phenotypic diversification of RGM-1 cells. The formation of fibroblastoid cell sub-populations, the disappearance of their collective migration, an increase in transmigration potential with downregulation of E-cadherin and upregulation of N-cadherin proteins, prominent stress fibers, and decreased proliferation were observed. The fibroblast (CAF)-like transition was manifested by increased secretome TGF-β level, α-SMA protein expression, and its incorporation into stress fibers, and the TGF-βR1 kinase inhibitor reduced the rise in Snail, Twist, and E-cadherin mRNA and increased E-cadherin expression induced by CAFs. CONCLUSION Gastric fibroblasts which are one of the main targets for Hp infection contribute to the paracrine interactions between Hp, gastric fibroblasts, and epithelial cells. TGF-β secreted by Hp-activated gastric fibroblasts prompting their differentiation toward CAF-like phenotype promotes the EMT-related phenotypic shifts in normal gastric epithelial cell populations. This mechanism may serve as the prerequisite for GC development.
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Affiliation(s)
- Gracjana Krzysiek-Maczka
- Department of Physiology, The Faculty of Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Tomasz Wrobel
- Department of Cell Biology, The Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Cracow, Poland
| | - Aneta Targosz
- Department of Physiology, The Faculty of Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Urszula Szczyrk
- Department of Physiology, The Faculty of Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Malgorzata Strzalka
- Department of Physiology, The Faculty of Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Agata Ptak-Belowska
- Department of Physiology, The Faculty of Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Jaroslaw Czyz
- Department of Cell Biology, The Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Cracow, Poland
| | - Tomasz Brzozowski
- Department of Physiology, The Faculty of Medicine, Jagiellonian University Medical College, Cracow, Poland
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Cappariello A, Rucci N. Tumour-Derived Extracellular Vesicles (EVs): A Dangerous "Message in A Bottle" for Bone. Int J Mol Sci 2019; 20:E4805. [PMID: 31569680 PMCID: PMC6802008 DOI: 10.3390/ijms20194805] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 09/19/2019] [Accepted: 09/20/2019] [Indexed: 12/14/2022] Open
Abstract
Several studies have shown the importance of Extracellular Vesicles (EVs) in the intercellular communication between tumour and resident cells. Through EVs, tumour cells can trigger cell-signalling molecules and shuttle exogenous information to target cells, thus promoting spread of the disease. In fact, many processes are fuelled by EVs, such as tumour invasion and dormancy, drug-resistance, immune-surveillance escape, extravasation, extracellular matrix remodelling and metastasis. A key element is certainly the molecular profile of the shed cargo. Understanding the biochemical basis of EVs would help to predict the ability and propensity of cancer cells to metastasize a specific tissue, with the aim to target the release of EVs and to manipulate their content as a possible therapeutic approach. Moreover, EV profiling could help monitor the progression of cancer, providing a useful tool for more effective therapy. This review will focus on all the EV-mediated mentioned mechanisms in the context of both primary bone cancers and bone metastases.
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Affiliation(s)
- Alfredo Cappariello
- Department of Onco-haematology IRCCS Bambino Gesù Children's Hospital, 00152 Rome, Italy.
| | - Nadia Rucci
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100 L'Aquila, Italy.
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