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Habli Z, Zantout A, Al-Haj N, Saab R, El-Sabban M, Khraiche ML. Single-Cell Fluidic Force Spectroscopy Reveals Dynamic Mechanical Fingerprints of Malignancy in Breast Cancer. ACS APPLIED MATERIALS & INTERFACES 2024; 16:50147-50159. [PMID: 39105773 PMCID: PMC11440459 DOI: 10.1021/acsami.4c06335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
The interplay between cancer cell physical characteristics and metastatic potential highlights the significance of cancer cell mechanobiology. Using fluidic-based single-cell force spectroscopy (SCFS), quartz crystal microbalance with dissipation (QCM-D), and a model of cells with a spectrum of metastatic potential, we track the progression of biomechanics across the metastatic states by measuring cell-substrate and cell-to-cell adhesion forces, cell spring constant, cell height, and cell viscoelasticity. Compared to highly metastatic cells, cells in the lower spectrum of metastatic ability are found to be systematically stiffer, less viscoelastic, and larger. These mechanical transformations in cells within a cluster correlate with cells' metastatic potential but are significantly absent in single cells. Additionally, the response to chemotherapy is found to be highly dependent on cell viscoelastic properties in terms of both response time and magnitude. Shifts in cell softness and elasticity might serve as mechanoadaptive mechanisms during cancer cell metastasis, contributing to our understanding of metastasis and the effectiveness of potential therapeutic interventions.
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Affiliation(s)
- Zeina Habli
- Neural Engineering and Nanobiosensors Group, Biomedical Engineering Program, Maroun Semaan Faculty of Engineering and Architecture, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Ahmad Zantout
- Neural Engineering and Nanobiosensors Group, Biomedical Engineering Program, Maroun Semaan Faculty of Engineering and Architecture, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Nadine Al-Haj
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Raya Saab
- Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California 94304, United States
| | - Marwan El-Sabban
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Massoud L Khraiche
- Neural Engineering and Nanobiosensors Group, Biomedical Engineering Program, Maroun Semaan Faculty of Engineering and Architecture, American University of Beirut, Beirut 1107 2020, Lebanon
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2
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Olatona OA, Choudhury SR, Kresman R, Heckman CA. Candidate proteins interacting with cytoskeleton in cells from the basal airway epithelium in vitro. Front Mol Biosci 2024; 11:1423503. [PMID: 39139811 PMCID: PMC11319710 DOI: 10.3389/fmolb.2024.1423503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Accepted: 06/24/2024] [Indexed: 08/15/2024] Open
Abstract
Introduction: The cytoskeleton consists of actin, microtubules, septins, and intermediate filaments and, in most cells, is anchored to an extracellular matrix. Each cell has a unique arrangement of this network and readjusts it from time to time. To investigate the regulation of these reorganizations, we identified interactors from extracts of four cultured lines representing basal cells from the airway epithelium. Methods: After immunoprecipitation with an antibody against keratin 17, samples were processed by liquid chromatography and tandem mass spectrometry. Samples not undergoing antibody-mediated capture were processed in parallel. Results: The main keratins of basal cells, namely, Krt14 (type I) and Krt5 (type II), constituted 67% of the total keratin recovered. Several other intermediate filament proteins, nestin, lamin-B1, and prelamin A/C, were present but not enriched upon immunoprecipitation. Although the class of armadillo-repeat proteins was represented by beta-catenin1 and plakoglobin, other desmosome plaque constituents were absent. Large cytolinkers were represented by the spectraplakin, microtubule-actin cross-linking factor (Macf1), which was enriched by immunoprecipitation, and the plakin, plectin, which was not enriched. Subunits of actin filaments and microtubules, along with numerous proteins associated with them, were recovered in both immunoprecipitated samples and those lacking the capture step. Coefficients of determination were computed based on abundance. The actin-associated proteins, alpha-spectrin and brain-specific angiogenesis inhibitor (Baiaip2l), were modestly correlated with keratin abundance but highly correlated with one another and with the keratin-binding protein, annexin A2. This interaction network resembled the pedestal formed by pathogenic Escherichia coli. Microtubule-associated proteins, dynamin 1-like protein and cytoplasmic dynein 1 heavy chain (Dync1h1), were enriched by immunoprecipitation, suggesting association with keratins, whereas kinesin-1 heavy chain and microtubule-associated protein retinitis pigmentosa 1 (EB1), were not enriched. Dync1h1 abundance was negatively correlated with that of all the septins, suggesting resemblance to a known antagonistic septin-dynein 1 relationship on microtubules. Conclusion: The cell lines showed remarkable uniformity with respect to the candidates interacting with cytoskeleton. The alpha-spectrin-Baiap2l network may link actin filaments to keratin precursor particles. A smaller interaction network centered on Dync1h1 was negatively correlated with all spectrin-Baiap2l constituents, suggesting that it and its binding partners are excluded from the pedestal-like domain.
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Affiliation(s)
- Olusola A. Olatona
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, United States
| | - Sayantan R. Choudhury
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, United States
| | - Ray Kresman
- Department of Computer Science, Bowling Green State University, Bowling Green, OH, United States
| | - Carol A. Heckman
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, United States
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Lee ST, Kuboki T, Kidoaki S, Aida Y, Arima Y, Tamada K. A plasmonic metasurface reveals differential motility of breast cancer cell lines at initial phase of adhesion. Colloids Surf B Biointerfaces 2024; 238:113876. [PMID: 38555764 DOI: 10.1016/j.colsurfb.2024.113876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/17/2024] [Accepted: 03/23/2024] [Indexed: 04/02/2024]
Abstract
A plasmonic metasurface composed of a self-assembled monolayer of gold nanoparticles allows for fluorescence imaging with high spatial resolution, owing to the collective excitation of localized surface plasmon resonance. Taking advantage of fluorescence imaging confined to the nano-interface, we examined actin organization in breast cancer cell lines with different metastatic potentials during cell adhesion. Live-cell fluorescence imaging confined within tens of nanometers from the substrate shows a high actin density spanning < 1 μm from the cell edge. Live-cell imaging revealed that the breast cancer cell lines exhibited different actin patterns during the initial phase of cell adhesion (∼ 1 h). Non-tumorous MCF10A cells exhibited symmetric actin localization at the cell edge, whereas highly metastatic MDA-MB-231 cells showed asymmetric actin localization, demonstrating rapid polarization of MDA-MB-231 cells upon adhesion. The rapid actin organization observed by our plasmonic metasurface-based fluorescence imaging provides information on how quickly cancer cells sense the underlying substrate.
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Affiliation(s)
- Shi Ting Lee
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Thasaneeya Kuboki
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Satoru Kidoaki
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yukiko Aida
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yusuke Arima
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Kaoru Tamada
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
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4
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Lee JWN, Holle AW. Engineering approaches for understanding mechanical memory in cancer metastasis. APL Bioeng 2024; 8:021503. [PMID: 38605886 PMCID: PMC11008915 DOI: 10.1063/5.0194539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
Understanding cancer metastasis is crucial for advancing therapeutic strategies and improving clinical outcomes. Cancer cells face dynamic changes in their mechanical microenvironment that occur on timescales ranging from minutes to years and exhibit a spectrum of cellular transformations in response to these mechanical cues. A crucial facet of this adaptive response is the concept of mechanical memory, in which mechanosensitive cell behavior and function persists even when mechanical cues are altered. This review explores the evolving mechanical landscape during metastasis, emphasizing the significance of mechanical memory and its influence on cell behavior. We then focus on engineering techniques that are being utilized to probe mechanical memory of cancer cells. Finally, we highlight promising translational approaches poised to harness mechanical memory for new therapies, thereby advancing the frontiers of bioengineering applications in cancer research.
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Affiliation(s)
- Jia Wen Nicole Lee
- Mechanobiology Institute, National University of Singapore, 117411 Singapore, Singapore
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5
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Alvarez MRS, Moreno PG, Grijaldo-Alvarez SJB, Yadlapati A, Zhou Q, Narciso MP, Completo GC, Nacario RC, Rabajante JF, Heralde FM, Lebrilla CB. The effects of immortalization on the N-glycome and proteome of CDK4-transformed lung cancer cells. Glycobiology 2024; 34:cwae030. [PMID: 38579012 PMCID: PMC11041852 DOI: 10.1093/glycob/cwae030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/26/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024] Open
Abstract
Biological experiments are often conducted in vitro using immortalized cells due to their accessibility and ease of propagation compared to primary cells and live animals. However, immortalized cells may present different proteomic and glycoproteomic characteristics from the primary cell source due to the introduction of genes that enhance proliferation (e.g. CDK4) or enable telomere lengthening. To demonstrate the changes in phenotype upon CDK4-transformation, we performed LC-MS/MS glycomic and proteomic characterizations of a human lung cancer primary cell line (DTW75) and a CDK4-transformed cell line (GL01) derived from DTW75. We observed that the primary and CDK4-transformed cells expressed significantly different levels of sialylated, fucosylated, and sialofucosylated N-glycans. Specifically, the primary cells expressed higher levels of hybrid- and complex-type sialylated N-glycans, while CDK4-transformed cells expressed higher levels of complex-type fucosylated and sialofucosylated N-glycans. Further, we compared the proteomic differences between the cell lines and found that CDK4-transformed cells expressed higher levels of RNA-binding and adhesion proteins. Further, we observed that the CDK4-transformed cells changed N-glycosylation after 31 days in cell culture, with a decrease in high-mannose and increase in fucosylated, sialylated, and sialofucosylated N-glycans. Identifying these changes between primary and CDK4-transformed cells will provide useful insight when adapting cell lines that more closely resemble in vivo physiological conditions.
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Affiliation(s)
- Michael Russelle S Alvarez
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California, 95616, USA
| | - Patrick Gabriel Moreno
- Molecular Diagnostics and Cellular Therapeutics Laboratory, Lung Center of the Philippines, Quezon City, 1100, Philippines
| | - Sheryl Joyce B Grijaldo-Alvarez
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California, 95616, USA
- Institute of Chemistry, College of Arts and Sciences, University of the Philippines Los Baños, 4031, Philippines
| | - Anirudh Yadlapati
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California, 95616, USA
| | - Qingwen Zhou
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California, 95616, USA
| | - Michelle P Narciso
- Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines Los Baños, 4031, Philippines
| | - Gladys Cherisse Completo
- Institute of Chemistry, College of Arts and Sciences, University of the Philippines Los Baños, 4031, Philippines
| | - Ruel C Nacario
- Institute of Chemistry, College of Arts and Sciences, University of the Philippines Los Baños, 4031, Philippines
| | - Jomar F Rabajante
- Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines Los Baños, 4031, Philippines
| | - Francisco M Heralde
- Molecular Diagnostics and Cellular Therapeutics Laboratory, Lung Center of the Philippines, Quezon City, 1100, Philippines
- Department of Biochemistry and Molecular Biology, College of Medicine, University of the Philippines Manila, 1000, Philippines
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California, 95616, USA
- Department of Chemistry, Biochemistry, Molecular, Cellular and Developmental Biology Group, University of California, Davis, 1 Shields Avenue, Davis, California, 95616, USA
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6
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Pajic-Lijakovic I, Eftimie R, Milivojevic M, Bordas SPA. Segregation of co-cultured multicellular systems: review and modeling consideration. Q Rev Biophys 2024; 57:e5. [PMID: 38351868 DOI: 10.1017/s0033583524000015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Cell segregation caused by collective cell migration (CCM) is crucial for morphogenesis, functional development of tissue parts, and is an important aspect in other diseases such as cancer and its metastasis process. Efficiency of the cell segregation depends on the interplay between: (1) biochemical processes such as cell signaling and gene expression and (2) physical interactions between cells. Despite extensive research devoted to study the segregation of various co-cultured systems, we still do not understand the role of physical interactions in cell segregation. Cumulative effects of these physical interactions appear in the form of physical parameters such as: (1) tissue surface tension, (2) viscoelasticity caused by CCM, and (3) solid stress accumulated in multicellular systems. These parameters primarily depend on the interplay between the state of cell-cell adhesion contacts and cell contractility. The role of these physical parameters on the segregation efficiency is discussed on model systems such as co-cultured breast cell spheroids consisting of two subpopulations that are in contact. This review study aims to: (1) summarize biological aspects related to cell segregation, mechanical properties of cell collectives, effects along the biointerface between cell subpopulations and (2) describe from a biophysical/mathematical perspective the same biological aspects summarized before. So that overall it can illustrate the complexity of the biological systems that translate into very complex biophysical/mathematical equations. Moreover, by presenting in parallel these two seemingly different parts (biology vs. equations), this review aims to emphasize the need for experiments to estimate the variety of parameters entering the resulting complex biophysical/mathematical models.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Beograd, Serbia
| | - Raluca Eftimie
- Laboratoire Mathematiques de Besançon, UMR-CNRS 6623, Université de Bourgogne Franche-Comte, Besançon, France
| | - Milan Milivojevic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Beograd, Serbia
| | - Stéphane P A Bordas
- Faculty of Science, Technology and Communication, University of Luxembourg, Institute for Computational Engineering, Esch-sur-Alzette, Luxembourg
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
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7
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Moreddu R. Nanotechnology and Cancer Bioelectricity: Bridging the Gap Between Biology and Translational Medicine. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304110. [PMID: 37984883 PMCID: PMC10767462 DOI: 10.1002/advs.202304110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/25/2023] [Indexed: 11/22/2023]
Abstract
Bioelectricity is the electrical activity that occurs within living cells and tissues. This activity is critical for regulating homeostatic cellular function and communication, and disruptions of the same can lead to a variety of conditions, including cancer. Cancer cells are known to exhibit abnormal electrical properties compared to their healthy counterparts, and this has driven researchers to investigate the potential of harnessing bioelectricity as a tool in cancer diagnosis, prognosis, and treatment. In parallel, bioelectricity represents one of the means to gain fundamental insights on how electrical signals and charges play a role in cancer insurgence, growth, and progression. This review provides a comprehensive analysis of the literature in this field, addressing the fundamentals of bioelectricity in single cancer cells, cancer cell cohorts, and cancerous tissues. The emerging role of bioelectricity in cancer proliferation and metastasis is introduced. Based on the acknowledgement that this biological information is still hard to access due to the existing gap between biological findings and translational medicine, the latest advancements in the field of nanotechnologies for cellular electrophysiology are examined, as well as the most recent developments in micro- and nano-devices for cancer diagnostics and therapy targeting bioelectricity.
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8
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Pajic-Lijakovic I, Milivojevic M. Physics of collective cell migration. EUROPEAN BIOPHYSICS JOURNAL : EBJ 2023; 52:625-640. [PMID: 37707627 DOI: 10.1007/s00249-023-01681-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 06/13/2023] [Accepted: 08/24/2023] [Indexed: 09/15/2023]
Abstract
Movement of cell clusters along extracellular matrices (ECM) during tissue development, wound healing, and early stage of cancer invasion involve various inter-connected migration modes such as: (1) cell movement within clusters, (2) cluster extension (wetting) and compression (de-wetting), and (3) directional cluster movement. It has become increasingly evident that dilational and volumetric viscoelasticity of cell clusters and their surrounding substrate significantly influence these migration modes through physical parameters such as: tissue and matrix surface tensions, interfacial tension between cells and substrate, gradients of surface and interfacial tensions, as well as, the accumulation of cell and matrix residual stresses. Inhomogeneous distribution of tissue surface tension along the cell-matrix biointerface can appear as a consequence of different contractility of various cluster regions. While the directional cell migration caused by the matrix stiffness gradient (i.e., durotaxis) has been widely elaborated, the structural changes of matrix surface caused by cell tractions which lead to the generation of the matrix surface tension gradient has not been considered yet. The main goal of this theoretical consideration is to clarify the roles of various physical parameters in collective cell migration based on the formulation of a biophysical model. This complex phenomenon is discussed with the help of model systems such as the movement of cell clusters on a collagen I gel matrix, simultaneously reviewing various experimental data with and without cells.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- Faculty of Technology and Metallurgy, Belgrade University, Karnegijeva 4, Belgrade, Serbia.
| | - Milan Milivojevic
- Faculty of Technology and Metallurgy, Belgrade University, Karnegijeva 4, Belgrade, Serbia
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9
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Patel A, Bhavanam B, Keenan T, Maruthamuthu V. Integrating shear flow and trypsin treatment to assess cell adhesion strength. Biointerphases 2023; 18:061002. [PMID: 38078793 PMCID: PMC10721339 DOI: 10.1116/6.0003028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/16/2023] [Accepted: 11/14/2023] [Indexed: 12/17/2023] Open
Abstract
Cell adhesion is of fundamental importance in cell and tissue organization and for designing cell-laden constructs for tissue engineering. Prior methods to assess cell adhesion strength for strongly adherent cells using hydrodynamic shear flow either involved the use of specialized flow devices to generate high shear stress or used simpler implementations like larger height parallel plate chambers that enable multihour cell culture but generate low wall shear stress and are, hence, more applicable for weakly adherent cells. Here, we propose a shear flow assay for adhesion strength assessment of strongly adherent cells that employs off-the-shelf parallel plate chambers for shear flow as well as simultaneous trypsin treatment to tune down the adhesion strength of cells. We implement the assay with a strongly adherent cell type and show that wall shear stress in the 0.07-7 Pa range is sufficient to dislodge the cells with simultaneous trypsin treatment. Imaging of cells over a square centimeter area allows cell morphological analysis of hundreds of cells. We show that the cell area of cells that are dislodged, on average, does not monotonically increase with wall shear stress at the higher end of wall shear stresses used and suggest that this can be explained by the likely higher resistance of high circularity cells to trypsin digestion. The adhesion strength assay proposed can be used to assess the adhesion strength of both weakly and strongly adherent cell types and has the potential to be adapted for substrate stiffness-dependent adhesion strength assessment in mechanobiology studies.
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Affiliation(s)
- Antra Patel
- Department of Biological Sciences, Old Dominion University, Norfolk, Virginia 23529
| | - Bhavana Bhavanam
- Department of Biological Sciences, Old Dominion University, Norfolk, Virginia 23529
| | - Trevor Keenan
- Department of Mechanical and Aerospace Engineering, Old Dominion University, Norfolk, Virginia 23529
| | - Venkat Maruthamuthu
- Department of Mechanical and Aerospace Engineering, Old Dominion University, Norfolk, Virginia 23529
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10
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Xin Y, Li K, Huang M, Liang C, Siemann D, Wu L, Tan Y, Tang X. Biophysics in tumor growth and progression: from single mechano-sensitive molecules to mechanomedicine. Oncogene 2023; 42:3457-3490. [PMID: 37864030 PMCID: PMC10656290 DOI: 10.1038/s41388-023-02844-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 09/08/2023] [Accepted: 09/15/2023] [Indexed: 10/22/2023]
Abstract
Evidence from physical sciences in oncology increasingly suggests that the interplay between the biophysical tumor microenvironment and genetic regulation has significant impact on tumor progression. Especially, tumor cells and the associated stromal cells not only alter their own cytoskeleton and physical properties but also remodel the microenvironment with anomalous physical properties. Together, these altered mechano-omics of tumor tissues and their constituents fundamentally shift the mechanotransduction paradigms in tumorous and stromal cells and activate oncogenic signaling within the neoplastic niche to facilitate tumor progression. However, current findings on tumor biophysics are limited, scattered, and often contradictory in multiple contexts. Systematic understanding of how biophysical cues influence tumor pathophysiology is still lacking. This review discusses recent different schools of findings in tumor biophysics that have arisen from multi-scale mechanobiology and the cutting-edge technologies. These findings range from the molecular and cellular to the whole tissue level and feature functional crosstalk between mechanotransduction and oncogenic signaling. We highlight the potential of these anomalous physical alterations as new therapeutic targets for cancer mechanomedicine. This framework reconciles opposing opinions in the field, proposes new directions for future cancer research, and conceptualizes novel mechanomedicine landscape to overcome the inherent shortcomings of conventional cancer diagnosis and therapies.
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Grants
- R35 GM150812 NIGMS NIH HHS
- This work was financially supported by National Natural Science Foundation of China (Project no. 11972316, Y.T.), Shenzhen Science and Technology Innovation Commission (Project no. JCYJ20200109142001798, SGDX2020110309520303, and JCYJ20220531091002006, Y.T.), General Research Fund of Hong Kong Research Grant Council (PolyU 15214320, Y. T.), Health and Medical Research Fund (HMRF18191421, Y.T.), Hong Kong Polytechnic University (1-CD75, 1-ZE2M, and 1-ZVY1, Y.T.), the Cancer Pilot Research Award from UF Health Cancer Center (X. T.), the National Institute of General Medical Sciences of the National Institutes of Health under award number R35GM150812 (X. T.), the National Science Foundation under grant number 2308574 (X. T.), the Air Force Office of Scientific Research under award number FA9550-23-1-0393 (X. T.), the University Scholar Program (X. T.), UF Research Opportunity Seed Fund (X. T.), the Gatorade Award (X. T.), and the National Science Foundation REU Site at UF: Engineering for Healthcare (Douglas Spearot and Malisa Sarntinoranont). We are deeply grateful for the insightful discussions with and generous support from all members of Tang (UF)’s and Tan (PolyU)’s laboratories and all staff members of the MAE/BME/ECE/Health Cancer Center at UF and BME at PolyU.
- National Natural Science Foundation of China (National Science Foundation of China)
- Shenzhen Science and Technology Innovation Commission
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Affiliation(s)
- Ying Xin
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
| | - Keming Li
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
| | - Miao Huang
- Department of Mechanical and Aerospace Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, USA
| | - Chenyu Liang
- Department of Mechanical and Aerospace Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, USA
| | - Dietmar Siemann
- UF Health Cancer Center, University of Florida, Gainesville, FL, USA
| | - Lizi Wu
- UF Health Cancer Center, University of Florida, Gainesville, FL, USA
| | - Youhua Tan
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China.
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
- Research Institute of Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China.
| | - Xin Tang
- Department of Mechanical and Aerospace Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, USA.
- UF Health Cancer Center, University of Florida, Gainesville, FL, USA.
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA.
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL, USA.
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11
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Patel A, Bhavanam B, Keenan T, Maruthamuthu V. Integrating Shear Flow and Trypsin Treatment to Assess Cell Adhesion Strength. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.26.559598. [PMID: 37808680 PMCID: PMC10557764 DOI: 10.1101/2023.09.26.559598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Cell adhesion is of fundamental importance in cell and tissue organization, and for designing cell-laden constructs for tissue engineering. Prior methods to assess cell adhesion strength for strongly adherent cells using hydrodynamic shear flow either involved the use of specialized flow devices to generate high shear stress or used simpler implementations like larger height parallel plate chambers that enable multi-hour cell culture but generate low shear stress and are hence more applicable for weakly adherent cells. Here, we propose a shear flow assay for adhesion strength assessment of strongly adherent cells that employs off-the-shelf parallel plate chambers for shear flow as well as simultaneous trypsin treatment to tune down the adhesion strength of cells. We implement the assay with a strongly adherent cell type and show that shear stress in the 0.07 to 7 Pa range is sufficient to dislodge the cells with simultaneous trypsin treatment. Imaging of cells over a square centimeter area allows cell morphological analysis of hundreds of cells. We show that the cell area of cells that are dislodged, on average, does not monotonically increase with shear stress at the higher end of shear stresses used and suggest that this can be explained by the likely higher resistance of high circularity cells to trypsin digestion. The adhesion strength assay proposed can be easily adapted by labs to assess the adhesion strength of both weakly and strongly adherent cell types and has the potential to be adapted for substrate stiffness-dependent adhesion strength assessment in mechanobiology studies.
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Affiliation(s)
- Antra Patel
- Department of Biological Sciences, Old Dominion University, Norfolk, VA 23529 USA
| | - Bhavana Bhavanam
- Department of Biological Sciences, Old Dominion University, Norfolk, VA 23529 USA
| | - Trevor Keenan
- Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, VA 23529 USA
| | - Venkat Maruthamuthu
- Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, VA 23529 USA
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12
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Zhang B, Li X, Tang K, Xin Y, Hu G, Zheng Y, Li K, Zhang C, Tan Y. Adhesion to the Brain Endothelium Selects Breast Cancer Cells with Brain Metastasis Potential. Int J Mol Sci 2023; 24:ijms24087087. [PMID: 37108248 PMCID: PMC10138870 DOI: 10.3390/ijms24087087] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
Tumor cells metastasize from a primary lesion to distant organs mainly through hematogenous dissemination, in which tumor cell re-adhesion to the endothelium is essential before extravasating into the target site. We thus hypothesize that tumor cells with the ability to adhere to the endothelium of a specific organ exhibit enhanced metastatic tropism to this target organ. This study tested this hypothesis and developed an in vitro model to mimic the adhesion between tumor cells and brain endothelium under fluid shear stress, which selected a subpopulation of tumor cells with enhanced adhesion strength. The selected cells up-regulated the genes related to brain metastasis and exhibited an enhanced ability to transmigrate through the blood-brain barrier. In the soft microenvironments that mimicked brain tissue, these cells had elevated adhesion and survival ability. Further, tumor cells selected by brain endothelium adhesion expressed higher levels of MUC1, VCAM1, and VLA-4, which were relevant to breast cancer brain metastasis. In summary, this study provides the first piece of evidence to support that the adhesion of circulating tumor cells to the brain endothelium selects the cells with enhanced brain metastasis potential.
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Affiliation(s)
- Bai Zhang
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Xueyi Li
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Kai Tang
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Ying Xin
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Guanshuo Hu
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Yufan Zheng
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Keming Li
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Cunyu Zhang
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Youhua Tan
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
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13
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Heussner RK, Zhang H, Qian G, Baker MJ, Provenzano PP. Differential contractility regulates cancer stem cell migration. Biophys J 2023; 122:1198-1210. [PMID: 36772795 PMCID: PMC10111274 DOI: 10.1016/j.bpj.2023.02.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 10/22/2022] [Accepted: 02/07/2023] [Indexed: 02/11/2023] Open
Abstract
Cancer stem cells (CSCs) are known to have a high capacity for tumor initiation and the formation of metastases. We have previously shown that in collagen constructs mimetic of aligned extracellular matrix architectures observed in carcinomas, breast CSCs demonstrate enhanced directional and total motility compared with more differentiated carcinoma populations. Here, we show that CSCs maintain increased motility in diverse environments including on 2D elastic polyacrylamide gels of various stiffness, 3D randomly oriented collagen matrices, and ectopic cerebral slices representative of a common metastatic site. A consistent twofold increase of CSC motility across platforms suggests a general shift in cell migration mechanics between well-differentiated carcinoma cells and their stem-like counterparts. To further elucidate the source of differences in migration, we demonstrate that CSCs are less contractile than the whole population (WP) and develop fewer and smaller focal adhesions and show that enhanced CSC migration can be tuned via contractile forces. The WP can be shifted to a CSC-like migratory phenotype using partial myosin II inhibition. Inversely, CSCs can be shifted to a less migratory WP-like phenotype using microtubule-destabilizing drugs that increase contractility or by directly enhancing contractile forces. This work begins to reveal the mechanistic differences driving CSC migration and raises important implications regarding the potentially disparate effects of microtubule-targeting agents on the motility of different cell populations.
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Affiliation(s)
- Rachel K Heussner
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota; University of Minnesota Physical Sciences in Oncology Center, Minneapolis, Minnesota
| | - Hongrong Zhang
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota; University of Minnesota Physical Sciences in Oncology Center, Minneapolis, Minnesota; University of Minnesota Center for Multiparametric Imaging of Tumor Immune Microenvironments, Minneapolis, Minnesota
| | - Guhan Qian
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota; University of Minnesota Physical Sciences in Oncology Center, Minneapolis, Minnesota; University of Minnesota Center for Multiparametric Imaging of Tumor Immune Microenvironments, Minneapolis, Minnesota
| | - Mikayla J Baker
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota; University of Minnesota Physical Sciences in Oncology Center, Minneapolis, Minnesota; University of Minnesota Center for Multiparametric Imaging of Tumor Immune Microenvironments, Minneapolis, Minnesota
| | - Paolo P Provenzano
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota; University of Minnesota Physical Sciences in Oncology Center, Minneapolis, Minnesota; University of Minnesota Center for Multiparametric Imaging of Tumor Immune Microenvironments, Minneapolis, Minnesota; Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota; Department of Hematology, Oncology, and Transplantation, University of Minnesota, Minneapolis, Minnesota; Institute for Engineering in Medicine, University of Minnesota, Minneapolis, Minnesota; Stem Cell Institute, University of Minnesota, Minneapolis, Minnesota.
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14
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Daniel M, Eleršič Filipič K, Filová E, Judl T, Fojt J. Modelling the role of membrane mechanics in cell adhesion on titanium oxide nanotubes. Comput Methods Biomech Biomed Engin 2023; 26:281-290. [PMID: 35380071 DOI: 10.1080/10255842.2022.2058875] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Titanium surface treated with titanium oxide nanotubes was used in many studies to quantify the effect of surface topography on cell fate. However, the predicted optimal diameter of nanotubes considerably differs among studies. We propose a model that explains cell adhesion to a nanostructured surface by considering the deformation energy of cell protrusions into titanium nanotubes and the adhesion to the surface. The optimal surface topology is defined as a geometry that gives the membrane a minimum energy shape. A dimensionless parameter, the cell interaction index, was proposed to describe the interplay between the cell membrane bending, the intrinsic curvature, and the strength of cell adhesion. Model simulation shows that an optimal nanotube diameter ranging from 20 nm to 100 nm (cell interaction index between 0.2 and 1, respectively) is feasible within a certain range of parameters describing cell membrane adhesion and bending. The results indicate a possibility to tune the topology of a nanostructural surface in order to enhance the proliferation and differentiation of cells mechanically compatible with the given surface geometry while suppressing the growth of other mechanically incompatible cells.
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Affiliation(s)
- Matej Daniel
- Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague, Czechia
| | | | - Eva Filová
- Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
| | | | - Jaroslav Fojt
- Faculty of Chemical Technology, University of Chemistry and Technology Prague, Prague, Czechia
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15
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Pajic-Lijakovic I, Milivojevic M. Active wetting of epithelial tissues: modeling considerations. EUROPEAN BIOPHYSICS JOURNAL : EBJ 2023; 52:1-15. [PMID: 36593348 DOI: 10.1007/s00249-022-01625-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/09/2022] [Accepted: 12/21/2022] [Indexed: 01/03/2023]
Abstract
Morphogenesis, tissue regeneration, and cancer invasion involve transitions in tissue morphology. These transitions, caused by collective cell migration (CCM), have been interpreted as active wetting/de-wetting transitions. This phenomenon is considered based on a model system as wetting of a cell aggregate on a rigid substrate, which includes cell aggregate movement and isotropic/anisotropic spreading of a cell monolayer around the aggregate depending on the substrate rigidity and aggregate size. This model system accounts for the transition between 3D epithelial aggregate and 2D cell monolayer as a product of: (1) tissue surface tension, (2) surface tension of substrate matrix, (3) cell-matrix interfacial tension, (4) interfacial tension gradient, (5) viscoelasticity caused by CCM, and (6) viscoelasticity of substrate matrix. These physical parameters depend on the cell contractility and state of cell-cell and cell-matrix adhesion contacts, as well as the stretching/compression of cellular systems caused by CCM. Despite extensive research devoted to study cell wetting, we still do not understand the interplay among these physical parameters which induces an oscillatory trend of cell rearrangement. This review focuses on these physical parameters in governing the cell rearrangement in the context of epithelial aggregate wetting/de-wetting, and on modeling approaches aimed at reproducing and understanding these biological systems. In this context, we not only review previously published biophysical models for cell rearrangement caused by CCM, but also propose new extensions of those models to point out the interrelation between cell-matrix interfacial tension and epithelial viscoelasticity and the role of the interfacial tension gradient in cell spreading.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Karnegijeva 4, 11000, Belgrade, Serbia.
| | - Milan Milivojevic
- Faculty of Technology and Metallurgy, Department of Chemical Engineering, University of Belgrade, Karnegijeva 4, 11000, Belgrade, Serbia
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16
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Wang Y, Jin J, Wang HJ, Ju LA. Acoustic Force-Based Cell-Matrix Avidity Measurement in High Throughput. BIOSENSORS 2023; 13:95. [PMID: 36671930 PMCID: PMC9855465 DOI: 10.3390/bios13010095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/09/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Cancer cells interacting with the extracellular matrix (ECM) in the tumor microenvironment is pivotal for tumorigenesis, invasion, and metastasis. Cell-ECM adhesion has been intensively studied in cancer biology in the past decades to understand the molecular mechanisms underlying the adhesion events and extracellular mechanosensing, as well as develop therapeutic strategies targeting the cell adhesion molecules. Many methods have been established to measure the cell-ECM adhesion strength and correlate it with the metastatic potential of certain cancer types. However, those approaches are either low throughput, not quantitative, or with poor sensitivity and reproducibility. Herein, we developed a novel acoustic force spectroscopy based method to quantify the cell-ECM adhesion strength during adhesion maturation process using the emerging z-Movi® technology. This can be served as a fast, simple, and high-throughput platform for functional assessment of cell adhesion molecules in a highly predictive and reproducible manner.
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Affiliation(s)
- Yao Wang
- School of Biomedical Engineering, The University of Sydney, Darlington, NSW 2008, Australia
| | - Jasmine Jin
- School of Biomedical Engineering, The University of Sydney, Darlington, NSW 2008, Australia
| | - Haoqing Jerry Wang
- School of Biomedical Engineering, The University of Sydney, Darlington, NSW 2008, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown, NSW 2006, Australia
| | - Lining Arnold Ju
- School of Biomedical Engineering, The University of Sydney, Darlington, NSW 2008, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown, NSW 2006, Australia
- The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, Camperdown, NSW 2006, Australia
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17
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Tian Y, Bai F, Zhang D. New target DDR1: A "double-edged sword" in solid tumors. Biochim Biophys Acta Rev Cancer 2023; 1878:188829. [PMID: 36356724 DOI: 10.1016/j.bbcan.2022.188829] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 10/16/2022] [Accepted: 10/30/2022] [Indexed: 11/09/2022]
Abstract
Globally, cancer is a major catastrophic disease that seriously threatens human health. Thus, there is an urgent need to find new strategies to treat cancer. Among them, identifying new targets is one of the best ways to treat cancer at present. Especially in recent years, scientists have discovered many new targets and made breakthroughs in the treatment of cancer, bringing new hope to cancer patients. As one of the novel targets for cancer treatment, DDR1 has attracted much attention due to its unique role in cancer. Hence, here, we focus on a new target, DDR1, which may be a "double-edged sword" of human solid tumors. In this review, we provide a comprehensive overview of how DDR1 acts as a "double-edged sword" in cancer. First, we briefly introduce the structure and normal physiological function of DDR1; Second, we delineate the DDR1 expression pattern in single cells; Next, we sorte out the relationship between DDR1 and cancer, including the abnormal expression of DDR1 in cancer, the mechanism of DDR1 and cancer occurrence, and the value of DDR1 on cancer prognosis. In addition, we introduced the current status of global drug and antibody research and development targeting DDR1 and its future design prospects; Finally, we summarize and look forward to designing more DDR1-targeting drugs in the future to make further progress in the treatment of solid tumors.
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Affiliation(s)
- Yonggang Tian
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China
| | - Feihu Bai
- The Gastroenterology Clinical Medical Center of Hainan Province, Department of Gastroenterology, The Second Affiliated Hospital of Hainan Medical University, Haikou, China.
| | - Dekui Zhang
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, Gansu Province, China.
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18
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Elitas M, Islam M, Korvink JG, Sengul E, Sharbati P, Ozogul B, Kaymaz SV. Quantifying Deformation and Migration Properties of U87 Glioma Cells Using Dielectrophoretic Forces. BIOSENSORS 2022; 12:946. [PMID: 36354455 PMCID: PMC9688500 DOI: 10.3390/bios12110946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Glioblastoma multiforme is one of the most aggressive malignant primary brain tumors. To design effective treatment strategies, we need to better understand the behavior of glioma cells while maintaining their genetic and phenotypic stability. Here, we investigated the deformation and migration profile of U87 Glioma cells under the influence of dielectrophoretic forces. We fabricated a gold microelectrode array within a microfluidic channel and applied sinusoidal wave AC potential at 3 Vpp, ranging from 30 kHz to 10 MHz frequencies, to generate DEP forces. We followed the dielectrophoretic movement and deformation changes of 100 glioma cells at each frequency. We observed that the mean dielectrophoretic displacements of glioma cells were significantly different at varying frequencies with the maximum and minimum traveling distances of 13.22 µm and 1.37 µm, respectively. The dielectrophoretic deformation indexes of U87 glioma cells altered between 0.027-0.040. It was 0.036 in the absence of dielectrophoretic forces. This approach presents a rapid, robust, and sensitive characterization method for quantifying membrane deformation of glioma cells to determine the state of the cells or efficacy of administrated drugs.
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Affiliation(s)
- Meltem Elitas
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
| | - Monsur Islam
- Institute for Microstructure Technology, Karlsruhe Institute of Technology, 76344 Karlsruhe, Germany
| | - Jan G. Korvink
- Institute for Microstructure Technology, Karlsruhe Institute of Technology, 76344 Karlsruhe, Germany
| | - Esra Sengul
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
- Department of Physiology Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK
| | - Pouya Sharbati
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
| | - Beyzanur Ozogul
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
| | - Sumeyra Vural Kaymaz
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
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19
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Pajic-Lijakovic I, Eftimie R, Milivojevic M, Bordas SPA. The rearrangement of co-cultured cellular model systems via collective cell migration. Semin Cell Dev Biol 2022; 147:34-46. [PMID: 36307358 DOI: 10.1016/j.semcdb.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/14/2022] [Accepted: 10/14/2022] [Indexed: 11/07/2022]
Abstract
Cancer invasion through the surrounding epithelium and extracellular matrix (ECM) is the one of the main characteristics of cancer progression. While significant effort has been made to predict cancer cells response under various drug therapies, much less attention has been paid to understand the physical interactions between cancer cells and their microenvironment, which are essential for cancer invasion. Considering these physical interactions on various co-cultured in vitro model systems by emphasizing the role of viscoelasticity, the tissue surface tension, solid stress, and their inter-relations is a prerequisite for establishing the main factors that influence cancer cell spread and develop an efficient strategy to suppress it. This review focuses on the role of viscoelasticity caused by collective cell migration (CCM) in the context of mono-cultured and co-cultured cancer systems, and on the modeling approaches aimed at reproducing and understanding these biological systems. In this context, we do not only review previously-published biophysics models for collective cell migration, but also propose new extensions of those models to include solid stress accumulated within the spheroid core region and cell residual stress accumulation caused by CCM.
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Affiliation(s)
- Ivana Pajic-Lijakovic
- University of Belgrade, Faculty of Technology and Metallurgy, Department of Chemical Engineering, Serbia.
| | - Raluca Eftimie
- Laboratoire Mathematiques de Besançon, UMR-CNRS 6623, Université de Bourgogne Franche-Comte, 16 Route de Gray, Besançon 25000, France
| | - Milan Milivojevic
- University of Belgrade, Faculty of Technology and Metallurgy, Department of Chemical Engineering, Serbia
| | - Stéphane P A Bordas
- Institute for Computational Engineering, Faculty of Science, Technology and Communication, University of Luxembourg, Esch-sur-Alzette, Luxembourg; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
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20
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Molter CW, Muszynski EF, Tao Y, Trivedi T, Clouvel A, Ehrlicher AJ. Prostate cancer cells of increasing metastatic potential exhibit diverse contractile forces, cell stiffness, and motility in a microenvironment stiffness-dependent manner. Front Cell Dev Biol 2022; 10:932510. [PMID: 36200037 PMCID: PMC9527313 DOI: 10.3389/fcell.2022.932510] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
During metastasis, all cancer types must migrate through crowded multicellular environments. Simultaneously, cancers appear to change their biophysical properties. Indeed, cell softening and increased contractility are emerging as seemingly ubiquitous biomarkers of metastatic progression which may facilitate metastasis. Cell stiffness and contractility are also influenced by the microenvironment. Stiffer matrices resembling the tumor microenvironment cause metastatic cells to contract more strongly, further promoting contractile tumorigenic phenotypes. Prostate cancer (PCa), however, appears to deviate from these common cancer biophysics trends; aggressive metastatic PCa cells appear stiffer, rather than softer, to their lowly metastatic PCa counterparts. Although metastatic PCa cells have been reported to be more contractile than healthy cells, how cell contractility changes with increasing PCa metastatic potential has remained unknown. Here, we characterize the biophysical changes of PCa cells of various metastatic potential as a function of microenvironment stiffness. Using a panel of progressively increasing metastatic potential cell lines (22RV1, LNCaP, DU145, and PC3), we quantified their contractility using traction force microscopy (TFM), and measured their cortical stiffness using optical magnetic twisting cytometry (OMTC) and their motility using time-lapse microscopy. We found that PCa contractility, cell stiffness, and motility do not universally scale with metastatic potential. Rather, PCa cells of various metastatic efficiencies exhibit unique biophysical responses that are differentially influenced by substrate stiffness. Despite this biophysical diversity, this work concludes that mechanical microenvironment is a key determinant in the biophysical response of PCa with variable metastatic potentials. The mechanics-oriented focus and methodology of the study is unique and complementary to conventional biochemical and genetic strategies typically used to understand this disease, and thus may usher in new perspectives and approaches.
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Affiliation(s)
- Clayton W. Molter
- Department of Bioengineering, McGill University, Montreal, QC, Canada
| | - Eliana F. Muszynski
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Neuroscience, McGill University, Montreal, QC, Canada
| | - Yuanyuan Tao
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada
| | - Tanisha Trivedi
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Anatomy and Cell Biology, McGill University, Montreal, QC, Canada
| | - Anna Clouvel
- Department of Bioengineering, McGill University, Montreal, QC, Canada
| | - Allen J. Ehrlicher
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Anatomy and Cell Biology, McGill University, Montreal, QC, Canada
- Rosalind and Morris Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada
- Department of Biomedical Engineering, McGill University, Montreal, QC, Canada
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
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21
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Liu Y, Zhang L, Chen X, Chen D, Shi X, Song J, Wu J, Huang F, Xia Q, Xiang Y, Zheng X, Cai Y. The novel FGFR inhibitor F1-7 induces DNA damage and cell death in colon cells. Br J Cancer 2022; 127:1014-1025. [PMID: 35715638 DOI: 10.1038/s41416-022-01878-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 05/19/2022] [Accepted: 05/31/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Fibroblast growth factor receptor (FGFR) signaling influenced tumour occurrence and development. Overexpression of FGFR had been observed in many types of cancers, including colon cancer. FGFR inhibitor is considered to be effective in treating colon cancer patients. METHODS First, the kinase inhibition rate was determined. MTT, western blotting, colony formation, EdU and comet assays were performed to evaluate the anti-tumour effects of F1-7 in vitro. RNA-seq and bioinformatics analysis were used for further verification. Additionally, a xenograft model was generated to investigate the anti-tumour effect of F1-7. RESULTS F1-7 can inhibit the proliferation of colon cancer cells in vitro. It could significantly inhibit FGFR phosphorylation and its downstream signaling pathway. Whole-genome RNA-seq analysis found that the changed genes were not only functionally focused on MAPK signaling pathway but also related to cell apoptosis and ferroptosis. Experimental evidence demonstrated that F1-7 can directly increase the level of cellular DNA damage. The occurrence of DNA damage led to cell cycle arrest and inhibition of cell metastasis and cell apoptosis. Mouse model experiments also confirmed that F1-7 could inhibit tumour growth by inhibiting the FGFR pathway. CONCLUSIONS F1-7 exhibits anti-tumour activity by inhibiting the FGFR pathway. It could be a novel therapeutic agent for targeting colon cancer cells.
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Affiliation(s)
- Yanan Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Liting Zhang
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Xiaolu Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Daoxing Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Xueqin Shi
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Jiali Song
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Jianzhang Wu
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Fengyu Huang
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Qinqin Xia
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China
| | - Youqun Xiang
- Department of Colon and Rectal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Xiaohui Zheng
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China.
| | - Yuepiao Cai
- School of Pharmaceutical Sciences, Wenzhou Medical University, 325035, Wenzhou, Zhejiang, China.
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22
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Paddillaya N, Ingale K, Gaikwad C, Saini DK, Pullarkat P, Kondaiah P, Menon GI, Gundiah N. Cell adhesion strength and tractions are mechano-diagnostic features of cellular invasiveness. SOFT MATTER 2022; 18:4378-4388. [PMID: 35611829 DOI: 10.1039/d2sm00015f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The adhesion of cells to substrates occurs via integrin clustering and binding to the actin cytoskeleton. Oncogenes modify anchorage-dependent mechanisms in cells during cancer progression. Fluid shear devices provide a label-free way to characterize cell-substrate interactions and heterogeneities in cell populations. We quantified the critical adhesion strengths of MCF-7, MDAMB-231, A549, HPL1D, HeLa, and NIH3T3 cells using a custom fluid shear device. The detachment response was sigmoidal for each cell type. A549 and MDAMB-231 cells had significantly lower critical adhesion strengths (τ50) than their non-invasive counterparts, HPL1D and MCF-7. Detachment dynamics inversely correlated with cell invasion potentials. A theoretical model, based on τ50 values and the distribution of cell areas on substrates, provided good fits to results from de-adhesion experiments. Quantification of cell tractions, using the Reg-FTTC method on 10 kPa polyacrylamide gels, showed highest values for invasive, MDAMB-231 and A549, cells compared to non-invasive cells. Immunofluorescence studies show differences in vinculin distributions; non-invasive cells have distinct vinculin puncta, whereas invasive cells have more dispersed distributions. The cytoskeleton in non-invasive cells was devoid of well-developed stress fibers, and had thicker cortical actin bundles in the boundary. Fluorescence intensity of actin was significantly lower in invasive cells as compared to non invasive cells. These correlations in adhesion strengths and traction stresses with cell invasiveness may be useful in cancer diagnostics and other pathologies featuring mis-regulation in adhesion.
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Affiliation(s)
- Neha Paddillaya
- Centre for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, India
| | - Kalyani Ingale
- Biological Sciences, Indian Institute of Science, Bangalore, India.
| | - Chaitanya Gaikwad
- Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India
| | - Deepak Kumar Saini
- Centre for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, India
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
| | - Pramod Pullarkat
- Soft Condensed Matter Group, Raman Research Institute, Bangalore, India
| | - Paturu Kondaiah
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
| | - Gautam I Menon
- The Institute of Mathematical Sciences, Chennai, India
- Departments of Physics and Biology, Ashoka University, Sonepat, India
| | - Namrata Gundiah
- Centre for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, India
- Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India
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23
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Investigating Cancerous Exosomes’ Effects on CD8+ T-Cell IL-2 Production in a 3D Unidirectional Flow Bioreactor Using 3D Printed, RGD-Functionalized PLLA Scaffolds. J Funct Biomater 2022; 13:jfb13010030. [PMID: 35323230 PMCID: PMC8950614 DOI: 10.3390/jfb13010030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 11/16/2022] Open
Abstract
Exosomes from cancer cells are implicated in cancer progression and metastasis, carrying immunosuppressive factors that limit the antitumor abilities of immune cells. The development of a real-time, 3D cell/scaffold construct flow perfusion system has been explored as a novel tool in the study of T-cells and exosomes from cancer cells. Exosomes from human lung cancer (H1299 and A549) cells were co-cultured in a unidirectional flow bioreactor with CD8+ T-cells immobilized onto 3D-printed RGD-functionalized poly(L-lactic) acid (PLLA) scaffolds and assessed for IL-2 production. The IL-2 production was investigated for a wide range of T-cell to exosome ratios. With the successful incorporation of the RGD binding motif onto the PLLA surface at controllable densities, CD8+ T-cells were successfully attached onto 2D disks and 3D printed porous PLLA scaffolds. T-cell attachment increased with increasing RGD surface density. The diameter of the attached T-cells was 7.2 ± 0.2 µm for RGD densities below 0.5 nmoles/mm2 but dropped to 5.1 ± 0.3 µm when the RGD density was 2 nmoles/mm2 due to overcrowding. The higher the number of cancer exosomes, the less the IL-2 production by the surface-attached T-cells. In 2D disks, the IL-2 production was silenced for T-cell to exosome ratios higher than 1:10 in static conditions. IL-2 production silencing in static 3D porous scaffolds required ratios higher than 1:20. The incorporation of flow resulted in moderate to significant T-cell detachment. The portions of T-cells retained on the 3D scaffolds after exposure for 4 h to 0.15 or 1.5 mL/min of perfusion flow were 89 ± 11% and 30 ± 8%, respectively. On 3D scaffolds and in the presence of flow at 0.15 ml/min, both H1299 and A549 cancerous exosomes significantly suppressed IL-2 production for T-cell to exosome ratios of 1:1000. The much higher level of exosomes needed to silence the IL-2 production from T-cells cultured under unidirectional flow, compared to static conditions, denotes the importance of the culturing conditions and the hydrodynamic environment, on the interactions between CD8+ T-cells and cancer exosomes.
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24
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Zou H, Yang Z, Chan YS, Yeung SKA, Alam MK, Si T, Xu T, Yang M. Single cell analysis of mechanical properties and EMT-related gene expression profiles in cancer fingers. iScience 2022; 25:103917. [PMID: 35252814 PMCID: PMC8889141 DOI: 10.1016/j.isci.2022.103917] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 01/07/2022] [Accepted: 02/07/2022] [Indexed: 02/07/2023] Open
Abstract
Collective cell migration is associated with cancer metastasis. Cancer fingers are formed when groups of migrating cancer cells follow the leader cells in the front. Epithelial to mesenchymal transition (EMT) is a critical process of cancer metastasis. However, the role of EMT in cancer finger formation remains unclear. In this work, we investigated the EMT-associated mechanical properties and gene expression at single-cell levels in non-small lung cancer fingers. We found that leader cells were more elastic and less sticky than follower cells. Spatial EMT-related gene expression profiling in cancer fingers revealed cellular heterogeneity. Particularly, SNAIL and VIM were found to be two key genes that positively correlated with leader cell phenotypes and controlled cancer finger formation. Silencing either SNAIL or VIM, decreased cancer cell elasticity, cancer finger formation and migration, and increased adhesiveness. These findings indicated that SNAIL and VIM are two driver genes for cancer finger formation. Spatial mapping of EMT genes and mechanical properties of cancer finger at single cell level Cancer cell elasticity and adhesiveness are two physical biomarkers for leader cells SNAIL and VIM drive finger cell formation and are potential targets for therapy
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25
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Mierke CT. Viscoelasticity, Like Forces, Plays a Role in Mechanotransduction. Front Cell Dev Biol 2022; 10:789841. [PMID: 35223831 PMCID: PMC8864183 DOI: 10.3389/fcell.2022.789841] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 01/11/2022] [Indexed: 12/13/2022] Open
Abstract
Viscoelasticity and its alteration in time and space has turned out to act as a key element in fundamental biological processes in living systems, such as morphogenesis and motility. Based on experimental and theoretical findings it can be proposed that viscoelasticity of cells, spheroids and tissues seems to be a collective characteristic that demands macromolecular, intracellular component and intercellular interactions. A major challenge is to couple the alterations in the macroscopic structural or material characteristics of cells, spheroids and tissues, such as cell and tissue phase transitions, to the microscopic interferences of their elements. Therefore, the biophysical technologies need to be improved, advanced and connected to classical biological assays. In this review, the viscoelastic nature of cytoskeletal, extracellular and cellular networks is presented and discussed. Viscoelasticity is conceptualized as a major contributor to cell migration and invasion and it is discussed whether it can serve as a biomarker for the cells' migratory capacity in several biological contexts. It can be hypothesized that the statistical mechanics of intra- and extracellular networks may be applied in the future as a powerful tool to explore quantitatively the biomechanical foundation of viscoelasticity over a broad range of time and length scales. Finally, the importance of the cellular viscoelasticity is illustrated in identifying and characterizing multiple disorders, such as cancer, tissue injuries, acute or chronic inflammations or fibrotic diseases.
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Affiliation(s)
- Claudia Tanja Mierke
- Faculty of Physics and Earth Science, Peter Debye Institute of Soft Matter Physics, Biological Physics Division, University of Leipzig, Leipzig, Germany
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26
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Salari A, Appak-Baskoy S, Coe IR, Tsai SSH, Kolios MC. An ultrafast enzyme-free acoustic technique for detaching adhered cells in microchannels. RSC Adv 2021; 11:32824-32829. [PMID: 35493567 PMCID: PMC9042199 DOI: 10.1039/d1ra04875a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/26/2021] [Indexed: 12/20/2022] Open
Abstract
Adherent cultured cells are widely used biological tools for a variety of biochemical and biotechnology applications, including drug screening and gene expression analysis. One critical step in culturing adherent cells is the dissociation of cell monolayers into single-cell suspensions. Different enzymatic and non-enzymatic methods have been proposed for this purpose. Trypsinization, the most common enzymatic method for dislodging adhered cells, can be detrimental to cells, as it can damage cell membranes and ultimately cause cell death. Additionally, all available techniques require a prolonged treatment duration, typically on the order of minutes (5-10 min). Dissociation of cells becomes even more challenging in microfluidic devices, where, due to the nature of low Reynolds number flow and reduced mixing efficiency, multiple washing steps and prolonged trypsinization may be necessary to treat all cells. Here, we report a novel acoustofluidic method for the detachment of cells adhered onto a microchannel surface without exposing the cells to any enzymatic or non-enzymatic chemicals. This method enables a rapid (i.e., on the order of seconds), cost-effective, and easy-to-operate cell detachment strategy, yielding a detachment efficiency of ∼99% and cellular viability similar to that of the conventional trypsinization method. Also, as opposed to biochemical-based techniques (e.g., enzymatic), in our approach, cells are exposed to the dissociating agent (i.e., substrate-mediated acoustic excitation and microstreaming flow) only for as long as they remain attached to the substrate. After dissociation, the effect of acoustic excitation is reduced to microstreaming flow, therefore, minimizing unwanted effects of the dissociating agent on the cell phenotype. Additionally, our results suggest that cell excitation at acoustic powers lower than that required for complete cell detachment can potentially be employed for probing the adhesion strength of cell-substrate attachment. This novel approach can, therefore, be used for a wide range of lab-on-a-chip applications.
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Affiliation(s)
- Alinaghi Salari
- Institute for Biomedical Engineering, Science and Technology (iBEST) Toronto ON M5B 1T8 Canada
- Biomedical Engineering Graduate Program, Ryerson University Toronto ON M5B 2K3 Canada
| | - Sila Appak-Baskoy
- Institute for Biomedical Engineering, Science and Technology (iBEST) Toronto ON M5B 1T8 Canada
- Department of Chemistry and Biology, Ryerson University Toronto ON M5B 2K3 Canada
| | - Imogen R Coe
- Institute for Biomedical Engineering, Science and Technology (iBEST) Toronto ON M5B 1T8 Canada
- Department of Chemistry and Biology, Ryerson University Toronto ON M5B 2K3 Canada
- Molecular Science Graduate Program, Ryerson University Toronto ON M5B2K3 Canada
| | - Scott S H Tsai
- Institute for Biomedical Engineering, Science and Technology (iBEST) Toronto ON M5B 1T8 Canada
- Department of Mechanical and Industrial Engineering, Ryerson University Toronto ON M5B 2K3 Canada
| | - Michael C Kolios
- Institute for Biomedical Engineering, Science and Technology (iBEST) Toronto ON M5B 1T8 Canada
- Department of Physics, Ryerson University Toronto ON M5B 2K3 Canada
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27
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Wei M, Zhang F, Zhang R, Lin JM, Yang N. High-Throughput Characterization of Cell Adhesion Strength Using Long-Channel Constriction-Based Microfluidics. ACS Sens 2021; 6:2838-2844. [PMID: 34279900 DOI: 10.1021/acssensors.1c01037] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The adhesion strength of a cancer cell is a valuable biophysical marker of its metastatic potential, tightly associated with various metastatic processes; for example, cancer cells escape from a primary tumor, and circulating tumor cells (CTCs) are anchored to the vessel wall. Although constriction-based microfluidics can realize the high-throughput characterization of single-cell deformability, due to the influence of cell size heterogeneity, accurately evaluating the adhesion strength of a cancer cell at high throughputs in constriction remains difficult. In this paper, we first proposed an approach for the assessment of adhesion strength of BGC-823 and SGC-7901 cell lines at high throughputs based on a friction coefficient using the constant velocity stage of cell transit in a long-channel constriction. Cell size was proven to be independent of adhesion strength by cell detachment assay; however, it has large effects on cell transit velocity in constriction. Therefore, the linear elasticity of a completely deformed cell in constriction is simplified as a compressed spring model, effectively reducing the influence of cell size heterogeneity. Theoretically, our proposed model can well offset the influence of cell size by cell transit velocity, while our experimental results indicate that the friction coefficient has a good linear relationship with the logarithm of the adhesion strength too. Therefore, our proposed approach can realize accurate characterization of cell adhesion strength at high throughputs using long-channel constriction-based microfluidics. Hence, this work might enrich the functions of constriction-based microfluidics and bring new insights into the characterization of mechanical phenotypes.
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Affiliation(s)
- Mingji Wei
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Fei Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Rongbiao Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jin-Ming Lin
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ning Yang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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28
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Metastatic Esophageal Carcinoma Cells Exhibit Reduced Adhesion Strength and Enhanced Thermogenesis. Cells 2021; 10:cells10051213. [PMID: 34065626 PMCID: PMC8156073 DOI: 10.3390/cells10051213] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 04/30/2021] [Accepted: 05/11/2021] [Indexed: 12/27/2022] Open
Abstract
Despite continuous improvements in multimodal therapeutic strategies, esophageal carcinoma maintains a high mortality rate. Metastases are a major life-limiting component; however, very little is known about why some tumors have high metastatic potential and others not. In this study, we investigated thermogenic activity and adhesion strength of primary tumor cells and corresponding metastatic cell lines derived from two patients with metastatic adenocarcinoma of the esophagus. We hypothesized that the increased metastatic potential of the metastatic cell lines correlates with higher thermogenic activity and decreased adhesion strength. Our data show that patient-derived metastatic esophageal tumor cells have a higher thermogenic profile as well as a decreased adhesion strength compared to their corresponding primary tumor cells. Using two paired esophageal carcinoma cell lines of primary tumor and lymph nodes makes the data unique. Both higher specific thermogenesis profile and decreased adhesion strength are associated with a higher metastatic potential. They are in congruence with the clinical patient presentation. Understanding these functional, biophysical properties of patient derived esophageal carcinoma cell lines will enable us to gain further insight into the mechanisms of metastatic potential of primary tumors and metastases. Microcalorimetric evaluation will furthermore allow for rapid assessment of new treatment options for primary tumor and metastases aimed at decreasing the metastatic potential.
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29
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Hapach LA, Carey SP, Schwager SC, Taufalele PV, Wang W, Mosier JA, Ortiz-Otero N, McArdle TJ, Goldblatt ZE, Lampi MC, Bordeleau F, Marshall JR, Richardson IM, Li J, King MR, Reinhart-King CA. Phenotypic Heterogeneity and Metastasis of Breast Cancer Cells. Cancer Res 2021; 81:3649-3663. [PMID: 33975882 DOI: 10.1158/0008-5472.can-20-1799] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 02/02/2021] [Accepted: 05/05/2021] [Indexed: 11/16/2022]
Abstract
Although intratumoral genomic heterogeneity can impede cancer research and treatment, less is known about the effects of phenotypic heterogeneities. To investigate the role of cell migration heterogeneities in metastasis, we phenotypically sorted metastatic breast cancer cells into two subpopulations based on migration ability. Although migration is typically considered to be associated with metastasis, when injected orthotopically in vivo, the weakly migratory subpopulation metastasized significantly more than the highly migratory subpopulation. To investigate the mechanism behind this observation, both subpopulations were assessed at each stage of the metastatic cascade, including dissemination from the primary tumor, survival in the circulation, extravasation, and colonization. Although both subpopulations performed each step successfully, weakly migratory cells presented as circulating tumor cell (CTC) clusters in the circulation, suggesting clustering as one potential mechanism behind the increased metastasis of weakly migratory cells. RNA sequencing revealed weakly migratory subpopulations to be more epithelial and highly migratory subpopulations to be more mesenchymal. Depletion of E-cadherin expression from weakly migratory cells abrogated metastasis. Conversely, induction of E-cadherin expression in highly migratory cells increased metastasis. Clinical patient data and blood samples showed that CTC clustering and E-cadherin expression are both associated with worsened patient outcome. This study demonstrates that deconvolving phenotypic heterogeneities can reveal fundamental insights into metastatic progression. More specifically, these results indicate that migratory ability does not necessarily correlate with metastatic potential and that E-cadherin promotes metastasis in phenotypically sorted breast cancer cell subpopulations by enabling CTC clustering. SIGNIFICANCE: This study employs phenotypic cell sorting for migration to reveal a weakly migratory, highly metastatic breast cancer cell subpopulation regulated by E-cadherin, highlighting the dichotomy between cancer cell migration and metastasis.
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Affiliation(s)
- Lauren A Hapach
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York.,Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Shawn P Carey
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York
| | - Samantha C Schwager
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Paul V Taufalele
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Wenjun Wang
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Jenna A Mosier
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Nerymar Ortiz-Otero
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York
| | | | - Zachary E Goldblatt
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York
| | - Marsha C Lampi
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York
| | - Francois Bordeleau
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee.,CHU de Québec-Université Laval Research Center, Université Laval Cancer Research Center, Québec, Canada
| | - Jocelyn R Marshall
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York
| | - Isaac M Richardson
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Jiahe Li
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York
| | - Michael R King
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
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30
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Wei M, Zhang R, Zhang F, Yang N, Zhang Y, Li G. How to Choose a Proper Theoretical Analysis Model Based on Cell Adhesion and Nonadhesion Impedance Measurement. ACS Sens 2021; 6:673-687. [PMID: 33724797 DOI: 10.1021/acssensors.0c02710] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The accurate equivalent circuit model contributes to the better fitting of required cell characteristics, such as cell impedance, cell adhesion area, and cell-electrode distance. However, so many theoretical models on specific modules make it difficult for new researchers to understand the whole model of electrode system physically. Besides, the accurate theoretical model and the simplified calculations obviously contradict each other; therefore, it is confusing for many researchers to choose the proper theoretical model to calculate the specific parameters required. In this review, we first discuss the problems and suggestions of electrode system design for cell adhesion-based measurement in terms of parasitic capacitance, detection range of cell number, electric field distribution, and interelectrode distance. The design of electrode system for cell nonadhesion measurement was analyzed in terms of microchannel size and electrode position. Then, we discuss the advantages and disadvantages of various equivalent circuit models according to different requirements of researchers, and simultaneously provide a corresponding theoretical model for researchers. Various factors influencing electric impedance spectroscopy (EIS) such as the parasitic capacitance between microelectrodes, the changes of cell adhesion area and cell-electrode distance, the electrode geometry, and the surface conductivity of electrode were quantitatively analyzed to contribute to better understanding of the equivalent models. Finally, we gave advice to optimize the theoretical models further and perspectives on building uniform principles of theoretical model optimization in the future.
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Affiliation(s)
- Mingji Wei
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Rongbiao Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Fei Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Ning Yang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yecheng Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Guoxiao Li
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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31
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Wei M, Zhang R, Zhang F, Zhang Y. Evaluating cell viability heterogeneity based on information fusion of multiple adhesion strengths. Biotechnol Bioeng 2021; 118:2360-2367. [PMID: 33694331 DOI: 10.1002/bit.27749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/07/2021] [Accepted: 03/06/2021] [Indexed: 01/20/2023]
Abstract
Cell viability evaluation is significantly meaningful for cellular assays. Some cells with weak viability are easily killed in the detection of anticancer drugs, while others with strong viability survive and proliferate, ultimately leading to the treatment failure or the inaccuracy of biological assays. Accurately evaluating cell viability heterogeneity still remains difficult. This article proposed a multiphysical property information fusion method for evaluating cell viability heterogeneity based on polynomial regression in a single-channel integrated microfluidic chip. In this method, adhesion strengths τN , that are defined as the magnitude of shear stress needed to detach (100 - N) % of cell population, were extracted as the independent variables of polynomial regression model by calculating the nonlinear fitting of the impedance-response curves for shear stress (cell detachment assay). Besides, by calculating the nonlinear fitting of the drug dose-response curves for cancer cells (IC50 assay), the half-maximal inhibitory concentration (IC50 ) was extracted as the dependent variables of polynomial regression model. The results show that the mean relative error of our fusion method averagely reduces by 6.04% and 62.79% compared with the multiple linear regression method and the cell counting method. Moreover, a simplified theoretical model used to describe the quantitative relationship between cell viability and its adhesion strengths was built to provide a theoretical basis for our fusion method.
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Affiliation(s)
- Mingji Wei
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Rongbiao Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Fei Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Yecheng Zhang
- School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
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32
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Yen CH, Young TH, Huang TW. Cell detachment ratio on pH-responsive chitosan: A useful biometric for prognostic judgment and drug efficacy assessment in oncology. Carbohydr Polym 2021; 261:117911. [PMID: 33766385 DOI: 10.1016/j.carbpol.2021.117911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 12/28/2020] [Accepted: 03/02/2021] [Indexed: 12/20/2022]
Abstract
The inherently unpredictable complexity of tumors impedes the widespread practice of the molecular biomarkers in outcome prediction. Alternatively, from the biophysical perspective, this study sought to investigate the applicability of the cell detachment ratio (CDR) derived from pH-responsive chitosan as a biometrical identifier for the disease state in cancer prognostic judgment and drug efficacy assessment. In the targeted therapy model, the repression of tumor dissemination in cells harboring aberrant ErbB signals (human non-small cell lung cancer cell line PC9 and breast cancer cell line BT474) were first demonstrated both in vitro and in vivo. Consequently, the corresponding CDR profile goes synchronously with the extent of cancer regression in response to the medication. Definitive integrins that drive the cell detachment were also verified through CDR examination following the integrin functional blockade. Conclusively, CDR is a promising clinical index for evaluation of the metastatic cell behaviors in terms of the cell detachment.
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Affiliation(s)
- Chia-Hsiang Yen
- Department of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No. 1, Sec. 1, Jen-Ai Rd., Taipei 100, Taiwan.
| | - Tai-Horng Young
- Department of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No. 1, Sec. 1, Jen-Ai Rd., Taipei 100, Taiwan; Department of Biomedical Engineering, National Taiwan University Hospital, No. 7, Chung-Shan S Rd., Taipei 100, Taiwan.
| | - Tsung-Wei Huang
- Department of Electrical Engineering, College of Electrical and Communication Engineering, Yuan Ze University, No. 135, Yuan-Tung Rd., Taoyuan 320, Taiwan; Department of Otolaryngology, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nanya S. Rd., New Taipei City 220, Taiwan.
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33
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Kulwatno J, Gong X, DeVaux R, Herschkowitz JI, Mills KL. An Organotypic Mammary Duct Model Capturing Matrix Mechanics-Dependent Ductal Carcinoma In Situ Progression. Tissue Eng Part A 2021; 27:454-466. [PMID: 33397202 DOI: 10.1089/ten.tea.2020.0239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Ductal carcinoma in situ (DCIS) is a precancerous stage breast cancer, where abnormal cells are contained within the duct, but have not invaded into the surrounding tissue. However, only 30-40% of DCIS cases are likely to progress into an invasive ductal carcinoma (IDC), while the remainder are innocuous. Since little is known about what contributes to the transition from DCIS to IDC, clinicians and patients tend to opt for treatment, leading to concerns of overdiagnosis and overtreatment. In vitro models are currently being used to probe how DCIS transitions into IDC, but many models do not take into consideration the macroscopic tissue architecture and the biomechanical properties of the microenvironment. In this study, we modeled an organotypic mammary duct as a channel molded in a collagen matrix and lined with basement membrane. By adjusting the concentration of collagen (4 and 8 mg/mL), we modulated the stiffness and morphological properties of the matrix and examined how an assortment of breast cells, including the isogenic MCF10 series that spans the range from healthy to aggressive, behaved within our model. We observed distinct characteristics of breast cancer progression such as hyperplasia and invasion. Normal mammary epithelial cells (MCF10A) formed a single-cell layer on the lumen surface, whereas the most aggressive (MCF10CA1) were several cell layers thick. The model captured collagen concentration-dependent protrusive behaviors by the MCF10A and MCF10CA1 cells, as well as a known invasive cell line (MDA-MB-231). The MCF10A and MCF10CA1 cells extended protrusions into the lower collagen concentration matrix, while the MDA-MB-231 cells fully invaded matrices of either collagen concentration but to a greater distance in the higher collagen concentration matrix. Our results show that the model can recapitulate different stages of breast cancer progression and that the MCF10 series is adaptable to physiologically relevant in vitro studies, demonstrating the potential of both the model and cell lines to elucidate key factors that may contribute to understanding the transition from DCIS to IDC. Impact statement The success of early preventative measures for breast cancer has left patients susceptible to overdiagnosis and overtreatment. Limited knowledge of factors driving an invasive transition has inspired the development of in vitro models that accurately capture this phenomenon. However, current models tend to neglect the macroscopic architecture and biomechanical properties of the mammary duct. In this study, we introduce an organotypic model that recapitulates the cylindrical geometry of the tissue and the altered stroma seen in tumor microenvironments. Our model was able to capture distinct features associated with breast cancer progression, demonstrating its potential to uncover novel insights into disease progression.
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Affiliation(s)
- Jonathan Kulwatno
- Department of Biomedical Engineering, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA.,Center for Biotechnology and Interdisciplinary Studies, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Xiangyu Gong
- Center for Biotechnology and Interdisciplinary Studies, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA.,Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Rebecca DeVaux
- Department of Biomedical Sciences, Cancer Research Center, University at Albany, State University of New York, Albany, New York, USA
| | - Jason I Herschkowitz
- Department of Biomedical Sciences, Cancer Research Center, University at Albany, State University of New York, Albany, New York, USA
| | - Kristen L Mills
- Center for Biotechnology and Interdisciplinary Studies, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA.,Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
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34
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Chen X, Liu Y, Zhang L, Chen D, Dong Z, Zhao C, Liu Z, Xia Q, Wu J, Chen Y, Zheng X, Cai Y. Design, synthesis, and biological evaluation of indazole derivatives as selective and potent FGFR4 inhibitors for the treatment of FGF19-driven hepatocellular cancer. Eur J Med Chem 2021; 214:113219. [PMID: 33618175 DOI: 10.1016/j.ejmech.2021.113219] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 01/15/2021] [Accepted: 01/17/2021] [Indexed: 12/14/2022]
Abstract
Fibroblast growth factor receptor 4 (FGFR4) is a member of the fibroblast growth factor receptor family, which is closely related to the occurrence and development of hepatocellular carcinoma (HCC). In this article, a series of indazole derivatives were designed and synthesized by using computer-aided drug design (CADD) and structure-based design strategies, and then they were evaluated for their inhibition of FGFR4 kinase and antitumor activity. F-30 was subtly selective for FGFR4 compared to FGFR1; it affected cell growth and migration by inhibiting FGFR4 pathways in HCC cell lines in a dose-dependent manner.
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Affiliation(s)
- Xiaolu Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yanan Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Liting Zhang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Daoxing Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhaojun Dong
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Chengguang Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhiguo Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Qinqin Xia
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Jianzhang Wu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
| | - Yongheng Chen
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics and Laboratory of Structural Biology, Key Laboratory of Medical Genetics and College of Life Science, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Xiaohui Zheng
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
| | - Yuepiao Cai
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
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35
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Banisadr A, Eick M, Beri P, Parisian AD, Yeoman B, Placone JK, Engler AJ, Furnari F. EGFRvIII uses intrinsic and extrinsic mechanisms to reduce glioma adhesion and increase migration. J Cell Sci 2020; 133:jcs247189. [PMID: 33243756 PMCID: PMC7774888 DOI: 10.1242/jcs.247189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 11/09/2020] [Indexed: 12/20/2022] Open
Abstract
A lack of biological markers has limited our ability to identify the invasive cells responsible for glioblastoma multiforme (GBM). To become migratory and invasive, cells must downregulate matrix adhesions, which could be a physical marker of invasive potential. We engineered murine astrocytes with common GBM mutations, e.g. Ink4a (Ink) or PTEN deletion and expressing a constitutively active EGF receptor truncation (EGFRvIII), to elucidate their effect on adhesion. While loss of Ink or PTEN did not affect adhesion, counterparts expressing EGFRvIII were significantly less adhesive. EGFRvIII reduced focal adhesion size and number, and these cells - with more labile adhesions - displayed enhanced migration. Regulation appears to depend not on physical receptor association to integrins but, rather, on the activity of the receptor kinase, resulting in transcriptional integrin repression. Interestingly, EGFRvIII intrinsic signals can be propagated by cytokine crosstalk to cells expressing wild-type EGFR, resulting in reduced adhesion and enhanced migration. These data identify potential intrinsic and extrinsic mechanisms that gliomas use to invade surrounding parenchyma.
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Affiliation(s)
- Afsheen Banisadr
- Biomedical Sciences Program, UC San Diego, La Jolla, CA 92093, USA
| | - Mariam Eick
- Department of Bioengineering, UC San Diego, La Jolla, CA 92093, USA
| | - Pranjali Beri
- Department of Bioengineering, UC San Diego, La Jolla, CA 92093, USA
| | | | - Benjamin Yeoman
- Department of Bioengineering, UC San Diego, La Jolla, CA 92093, USA
- Department of Mechanical Engineering, San Diego State University, San Diego, CA 92182, USA
| | - Jesse K Placone
- Department of Bioengineering, UC San Diego, La Jolla, CA 92093, USA
| | - Adam J Engler
- Biomedical Sciences Program, UC San Diego, La Jolla, CA 92093, USA
- Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA
| | - Frank Furnari
- Biomedical Sciences Program, UC San Diego, La Jolla, CA 92093, USA
- Ludwig Institute for Cancer Research, La Jolla, CA 92037, USA
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Eldawud R, Wagner A, Dong C, Gupta N, Rojanasakul Y, O'Doherty G, Stueckle TA, Dinu CZ. Potential antitumor activity of digitoxin and user-designed analog administered to human lung cancer cells. Biochim Biophys Acta Gen Subj 2020; 1864:129683. [PMID: 32679249 DOI: 10.1016/j.bbagen.2020.129683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/19/2020] [Accepted: 07/09/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Cardiac glycosides (CGs), such as digitoxin, are traditionally used for treatment of congestive heart failure; recently they also gained attention for their anticancer properties. Previous studies showed that digitoxin and a synthetic L-sugar monosaccharide analog treatment decreases cancer cell proliferation, increases apoptosis, and pro-adhesion abilities; however, no reports are available on their potential to alter lung cancer cell cytoskeleton structure and reduce migratory ability. Herein, we investigated the anticancer effects of digitoxin and its analog, digitoxigenin-α-L-rhamnoside (D6MA), to establish whether cytoskeleton reorganization and reduced motility are drug-induced cellular outcomes. METHODS We treated non-small cell lung carcinoma cells (NSCLCs) with sub-therapeutic, therapeutic, and toxic concentrations of digitoxin and D6MA respectively, followed by both single point and real-time assays to evaluate changes in cellular gene and protein expression, adhesion, elasticity, and migration. RESULTS Digitoxin and D6MA induced a decrease in matrix metalloproteinases expression via altered focal adhesion signaling and a suppression of the phosphoinositide 3-kinases / protein kinase B pathway which lead to enhanced adhesion, altered elasticity, and reduced motility of NSCLCs. Global gene expression analysis identified dose-dependent changes to nuclear factor kappa-light-chain-enhancer, epithelial tumor, and microtubule dynamics signaling. CONCLUSIONS Our study demonstrates that digitoxin and D6MA can target antitumor signaling pathways to alter NSCLC cytoskeleton and migratory ability to thus potentially reduce their tumorigenicity. SIGNIFICANCE Discovering signaling pathways that control cancer's cell phenotype and how such pathways are affected by CG treatment will potentially allow for active usage of synthetic CG analogs as therapeutic agents in advanced lung conditions.
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Affiliation(s)
- Reem Eldawud
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26506, USA
| | - Alixandra Wagner
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26506, USA
| | - Chenbo Dong
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26506, USA
| | - Neha Gupta
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26506, USA
| | - Yon Rojanasakul
- Department of Basic Pharmaceutical Sciences, West Virginia University, Morgantown, WV 26506, USA
| | - George O'Doherty
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
| | - Todd A Stueckle
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Cerasela Zoica Dinu
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26506, USA
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37
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Far-reaching advances in the role of carbon nanotubes in cancer therapy. Life Sci 2020; 257:118059. [PMID: 32659368 DOI: 10.1016/j.lfs.2020.118059] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 06/27/2020] [Accepted: 07/02/2020] [Indexed: 12/16/2022]
Abstract
Cancer includes a group of diseases involving unregulated cell growth with the potential to invade or expand to other parts of the body, resulting in an estimate of 9.6 million deaths worldwide in 2018. Manifold studies have been conducted to design more efficacious techniques for cancer therapy due to the inadequacy of conventional treatments including chemotherapy, surgery, and radiation therapy. With the advances in the biomedical applications of nanotechnology-based systems, nanomaterials have gained increasing attention as promising vehicles for targeted cancer therapy and optimizing treatment outcomes. Owing to their outstanding thermal, electrical, optical and chemical properties, carbon nanotubes (CNTs) have been profoundly studied to explore the various perspectives of their application in cancer treatment. The current study aims to review the role of CNTs whether as a carrier or mediator in cancer treatment for enhancing the efficacy as well as the specificity of therapy and reducing adverse side effects. This comprehensive review indicates that CNTs have the capability to be the next generation nanomaterials to actualize noninvasive targeted eradication of tumors. However, further studies are needed to evaluate the consequences of their biomedical application before the transition into clinical trials, since possible adverse effects of CNTs on biological systems have not been clearly understood.
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Kwon S, Yang W, Moon D, Kim KS. Biomarkers to quantify cell migration characteristics. Cancer Cell Int 2020; 20:217. [PMID: 32518526 PMCID: PMC7275471 DOI: 10.1186/s12935-020-01312-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 05/30/2020] [Indexed: 11/24/2022] Open
Abstract
Background Because cell movement is primarily driven by the connection between F-actin and integrin through a physical linkage, cellular elasticity and adhesion strength have been considered as biomarkers of cell motility. However, a consistent set of biomarkers that indicate the potential for cell motility is still lacking. Methods In this work, we characterize a phenotype of cell migration in terms of cellular elasticity and adhesion strength, which reveals the interdependence of subcellular systems that mediate optimal cell migration. Results Stiff cells weakly adhered to the substrate revealed superior motility, while soft cell migration with strong adhesion was relatively inhibited. The spatial distribution and amount of F-actin and integrin were highly variable depending on cell type, but their density exhibited linear correlations with cellular elasticity and adhesion strength, respectively. Conclusions The densities of F-actin and integrin exhibited linear correlations with cellular elasticity and adhesion strength, respectively, therefore, they can be considered as biomarkers to quantify cell migration characteristics.
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Affiliation(s)
- Sangwoo Kwon
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 04620 Republic of Korea
| | - Woochul Yang
- Department of Physics, Dongguk University, Seoul, 100-715 Republic of Korea
| | - Donggerami Moon
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 04620 Republic of Korea
| | - Kyung Sook Kim
- Department of Biomedical Engineering, College of Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 04620 Republic of Korea
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Iturri J, Weber A, Vivanco MD, Toca-Herrera JL. Single-Cell Probe Force Studies to Identify Sox2 Overexpression-Promoted Cell Adhesion in MCF7 Breast Cancer Cells. Cells 2020; 9:E935. [PMID: 32290242 PMCID: PMC7227807 DOI: 10.3390/cells9040935] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/04/2020] [Accepted: 04/09/2020] [Indexed: 12/31/2022] Open
Abstract
The replacement of the cantilever tip by a living cell in Atomic Force Microscopy (AFM) experiments permits the direct quantification of cell-substrate and cell-cell adhesion forces. This single-cell probe force measurement technique, when complemented by microscopy, allows controlled manipulation of the cell with defined location at the area of interest. In this work, a setup based on two glass half-slides, a non-fouling one with bacterial S-layer protein SbpA from L. sphaericus CMM 2177 and the second with a fibronectin layer, has been employed to measure the adhesion of MCF7 breast cancer cells to fibronectin films (using SbpA as control) and to other cells (symmetric vs. asymmetric systems). The measurements aimed to characterize and compare the adhesion capacities of parental cells and cells overexpressing the embryonic transcription factor Sox2, which have a higher capacity for invasion and are more resistant to endocrine therapy in vivo. Together with the use of fluorescence techniques (epifluorescence, Total Internal Fluorescence Microscopy (TIRF)), the visualization of vinculin and actin distribution in cells in contact with fibronectin surfaces is enabled, facilitating the monitoring and quantification of the formation of adhesion complexes. These findings demonstrate the strength of this combined approach to assess and compare the adhesion properties of cell lines and to illustrate the heterogeneity of adhesive strength found in breast cancer cells.
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Affiliation(s)
- Jagoba Iturri
- Department of Nanobiotechnology (DNBT), Institute for Biophysics, BOKU University for Natural Resources and Life Sciences, Muthgasse 11 (Simon Zeisel Haus), A-1190 Vienna, Austria; (A.W.); (J.L.T.-H.)
| | - Andreas Weber
- Department of Nanobiotechnology (DNBT), Institute for Biophysics, BOKU University for Natural Resources and Life Sciences, Muthgasse 11 (Simon Zeisel Haus), A-1190 Vienna, Austria; (A.W.); (J.L.T.-H.)
| | - María d.M. Vivanco
- Cancer Heterogeneity Lab, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - José L. Toca-Herrera
- Department of Nanobiotechnology (DNBT), Institute for Biophysics, BOKU University for Natural Resources and Life Sciences, Muthgasse 11 (Simon Zeisel Haus), A-1190 Vienna, Austria; (A.W.); (J.L.T.-H.)
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40
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Label-free platform on pH-responsive chitosan: Adhesive heterogeneity for cancer stem-like cell isolation from A549 cells via integrin β4. Carbohydr Polym 2020; 239:116168. [PMID: 32414450 DOI: 10.1016/j.carbpol.2020.116168] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 12/25/2022]
Abstract
Great efforts have been paid to develop methodologies for cancer stem-like cell (CSLC) isolation in anti-cancer research. The major obstacle lies in the lack of generic biomarkers for different cancer types and the requirement of complicated immuno-labeling procedures. The purpose of this study is to establish a label-free platform for CSLC isolation using pH-responsive chitosan. Based on the adhesive heterogeneity, 15.7 ± 1.9 % of human non-small cell lung cancer (NSCLC) cell line A549 detached from the chitosan substrate following medium pH elevation from 6.99 to 7.65 within 1 h. As a result, this subpopulation of cells with low adhesiveness exhibited superior CSLC hallmarks, including self-renewal, invasive and metastatic potential, therapeutic-resistance, colony formation in vitro, as well as nude mice xenograft in vivo for tumorigenesis, in comparison with their high-adhesive counterpart. Furthermore, integrin β4 is decisive in controlling CSLC detachment of NSCLC. Conclusively, this pH-dependent isolation provides new insights into biomaterial-based CSLC isolation.
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Beri P, Popravko A, Yeoman B, Kumar A, Chen K, Hodzic E, Chiang A, Banisadr A, Placone JK, Carter H, Fraley SI, Katira P, Engler AJ. Cell Adhesiveness Serves as a Biophysical Marker for Metastatic Potential. Cancer Res 2019; 80:901-911. [PMID: 31857292 DOI: 10.1158/0008-5472.can-19-1794] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/30/2019] [Accepted: 12/16/2019] [Indexed: 02/07/2023]
Abstract
Tumors are heterogeneous and composed of cells with different dissemination abilities. Despite significant effort, there is no universal biological marker that serves as a metric for metastatic potential of solid tumors. Common to disseminating cells from such tumors, however, is the need to modulate their adhesion as they detach from the tumor and migrate through stroma to intravasate. Adhesion strength is heterogeneous even among cancer cells within a given population, and using a parallel plate flow chamber, we separated and sorted these populations into weakly and strongly adherent groups; when cultured under stromal conditions, this adhesion phenotype was stable over multiple days, sorting cycles, and common across all epithelial tumor lines investigated. Weakly adherent cells displayed increased migration in both two-dimensional and three-dimensional migration assays; this was maintained for several days in culture. Subpopulations did not show differences in expression of proteins involved in the focal adhesion complex but did exhibit intrinsic focal adhesion assembly as well as contractile differences that resulted from differential expression of genes involved in microtubules, cytoskeleton linkages, and motor activity. In human breast tumors, expression of genes associated with the weakly adherent population resulted in worse progression-free and disease-free intervals. These data suggest that adhesion strength could potentially serve as a stable marker for migration and metastatic potential within a given tumor population and that the fraction of weakly adherent cells present within a tumor could act as a physical marker for metastatic potential. SIGNIFICANCE: Cancer cells exhibit heterogeneity in adhesivity, which can be used to predict metastatic potential.
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Affiliation(s)
- Pranjali Beri
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Anna Popravko
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Benjamin Yeoman
- Department of Bioengineering, University of California, San Diego, La Jolla, California
- Department of Mechanical Engineering, San Diego State University, San Diego, California
| | - Aditya Kumar
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Kevin Chen
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Enio Hodzic
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Alyssa Chiang
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Afsheen Banisadr
- Biomedical Sciences Program, University of California, San Diego, La Jolla, California
| | - Jesse K Placone
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | - Hannah Carter
- Moores Cancer Center, University of California, San Diego, La Jolla, California
- Department of Medicine/Division of Medical Genetics, University of California, San Diego, La Jolla, California
| | - Stephanie I Fraley
- Department of Bioengineering, University of California, San Diego, La Jolla, California
- Moores Cancer Center, University of California, San Diego, La Jolla, California
| | - Parag Katira
- Department of Mechanical Engineering, San Diego State University, San Diego, California
- Computational Sciences Research Center, San Diego State University, San Diego, California
| | - Adam J Engler
- Department of Bioengineering, University of California, San Diego, La Jolla, California.
- Biomedical Sciences Program, University of California, San Diego, La Jolla, California
- Sanford Consortium for Regenerative Medicine, La Jolla, California
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42
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Ko JM, Lobo D. Continuous Dynamic Modeling of Regulated Cell Adhesion: Sorting, Intercalation, and Involution. Biophys J 2019; 117:2166-2179. [PMID: 31732144 PMCID: PMC6895740 DOI: 10.1016/j.bpj.2019.10.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 09/19/2019] [Accepted: 10/22/2019] [Indexed: 12/14/2022] Open
Abstract
Cell-cell adhesion is essential for tissue growth and multicellular pattern formation and crucial for the cellular dynamics during embryogenesis and cancer progression. Understanding the dynamical gene regulation of cell adhesion molecules (CAMs) responsible for the emerging spatial tissue behaviors is a current challenge because of the complexity of these nonlinear interactions and feedback loops at different levels of abstraction-from genetic regulation to whole-organism shape formation. To extend our understanding of cell and tissue behaviors due to the regulation of adhesion molecules, here we present a novel, to our knowledge, model for the spatial dynamics of cellular patterning, growth, and shape formation due to the differential expression of CAMs and their regulation. Capturing the dynamic interplay between genetic regulation, CAM expression, and differential cell adhesion, the proposed continuous model can explain the complex and emergent spatial behaviors of cell populations that change their adhesion properties dynamically because of inter- and intracellular genetic regulation. This approach can demonstrate the mechanisms responsible for classical cell-sorting behaviors, cell intercalation in proliferating populations, and the involution of germ layer cells induced by a diffusing morphogen during gastrulation. The model makes predictions on the physical parameters controlling the amplitude and wavelength of a cellular intercalation interface, as well as the crucial role of N-cadherin regulation for the involution and migration of cells beyond the gradient of the morphogen Nodal during zebrafish gastrulation. Integrating the emergent spatial tissue behaviors with the regulation of genes responsible for essential cellular properties such as adhesion will pave the way toward understanding the genetic regulation of large-scale complex patterns and shapes formation in developmental, regenerative, and cancer biology.
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Affiliation(s)
- Jason M Ko
- Department of Biological Sciences, University of Maryland, Baltimore County, Baltimore, Maryland
| | - Daniel Lobo
- Department of Biological Sciences, University of Maryland, Baltimore County, Baltimore, Maryland; Department of Computer Science and Electrical Engineering, University of Maryland, Baltimore County, Baltimore, Maryland; Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, Maryland.
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43
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Paddillaya N, Mishra A, Kondaiah P, Pullarkat P, Menon GI, Gundiah N. Biophysics of Cell-Substrate Interactions Under Shear. Front Cell Dev Biol 2019; 7:251. [PMID: 31781558 PMCID: PMC6857480 DOI: 10.3389/fcell.2019.00251] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 10/10/2019] [Indexed: 12/31/2022] Open
Abstract
Cells adhere to substrates through mechanosensitive focal adhesion complexes. Measurements that probe how cells detach from substrates when they experience an applied force connect molecular-scale aspects of cell adhesion with the biophysical properties of adherent cells. Such forces can be applied through shear devices that flow fluid in a controlled manner across cells. The signaling pathways associated with focal adhesions, in particular those that involve integrins and receptor tyrosine kinases, are complex, receiving mechano-chemical feedback from the sensing of substrate stiffness as well as of external forces. This article reviews the signaling processes involved in mechanosensing and mechanotransduction during cell-substrate interactions, describing the role such signaling plays in cancer metastasis. We examine some recent progress in quantifying the strength of these interactions, describing a novel fluid shear device that allows for the visualization of the cell and its sub-cellular structures under a shear flow. We also summarize related results from a biophysical model for cellular de-adhesion induced by applied forces. Quantifying cell-substrate adhesions under shear should aid in the development of mechano-diagnostic techniques for diseases in which cell-adhesion is mis-regulated, such as cancers.
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Affiliation(s)
- Neha Paddillaya
- Centre for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, India
| | - Ashish Mishra
- Soft Condensed Matter Group, Raman Research Institute, Bangalore, India
| | - Paturu Kondaiah
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
| | - Pramod Pullarkat
- Soft Condensed Matter Group, Raman Research Institute, Bangalore, India
| | - Gautam I Menon
- The Institute of Mathematical Sciences, Chennai, India.,Homi Bhabha National Institute, Mumbai, India.,Department of Physics, Ashoka University, Sonepat, India
| | - Namrata Gundiah
- Centre for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, India.,Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India
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44
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Davidson PM, Fedorchak GR, Mondésert-Deveraux S, Bell ES, Isermann P, Aubry D, Allena R, Lammerding J. High-throughput microfluidic micropipette aspiration device to probe time-scale dependent nuclear mechanics in intact cells. LAB ON A CHIP 2019; 19:3652-3663. [PMID: 31559980 PMCID: PMC6810812 DOI: 10.1039/c9lc00444k] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The mechanical properties of the cell nucleus are increasingly recognized as critical in many biological processes. The deformability of the nucleus determines the ability of immune and cancer cells to migrate through tissues and across endothelial cell layers, and changes to the mechanical properties of the nucleus can serve as novel biomarkers in processes such as cancer progression and stem cell differentiation. However, current techniques to measure the viscoelastic nuclear mechanical properties are often time consuming, limited to probing one cell at a time, or require expensive, highly specialized equipment. Furthermore, many current assays do not measure time-dependent properties, which are characteristic of viscoelastic materials. Here, we present an easy-to-use microfluidic device that applies the well-established approach of micropipette aspiration, adapted to measure many cells in parallel. The device design allows rapid loading and purging of cells for measurements, and minimizes clogging by large particles or clusters of cells. Combined with a semi-automated image analysis pipeline, the microfluidic device approach enables significantly increased experimental throughput. We validated the experimental platform by comparing computational models of the fluid mechanics in the device with experimental measurements of fluid flow. In addition, we conducted experiments on cells lacking the nuclear envelope protein lamin A/C and wild-type controls, which have well-characterized nuclear mechanical properties. Fitting time-dependent nuclear deformation data to power law and different viscoelastic models revealed that loss of lamin A/C significantly altered the elastic and viscous properties of the nucleus, resulting in substantially increased nuclear deformability. Lastly, to demonstrate the versatility of the devices, we characterized the viscoelastic nuclear mechanical properties in a variety of cell lines and experimental model systems, including human skin fibroblasts from an individual with a mutation in the lamin gene associated with dilated cardiomyopathy, healthy control fibroblasts, induced pluripotent stem cells (iPSCs), and human tumor cells. Taken together, these experiments demonstrate the ability of the microfluidic device and automated image analysis platform to provide robust, high throughput measurements of nuclear mechanical properties, including time-dependent elastic and viscous behavior, in a broad range of applications.
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Affiliation(s)
- Patricia M Davidson
- Meinig School of Biomedical Engineering, Weill Institute for Cell and Molecular Biology, Cornell University, USA. and Laboratoire Physico-Chimie Curie, Institut Curie, CNRS UMR 168, Université Paris Science et Lettres, Sorbonne Université, France
| | - Gregory R Fedorchak
- Meinig School of Biomedical Engineering, Weill Institute for Cell and Molecular Biology, Cornell University, USA.
| | | | - Emily S Bell
- Meinig School of Biomedical Engineering, Weill Institute for Cell and Molecular Biology, Cornell University, USA.
| | - Philipp Isermann
- Meinig School of Biomedical Engineering, Weill Institute for Cell and Molecular Biology, Cornell University, USA.
| | - Denis Aubry
- Laboratoire MSSMat UMR CNRS 8579, CentraleSupelec, Université Paris-Saclay, France
| | - Rachele Allena
- Arts et Metiers ParisTech, LBM/Institut de Biomécanique Humaine Georges Charpak, France
| | - Jan Lammerding
- Meinig School of Biomedical Engineering, Weill Institute for Cell and Molecular Biology, Cornell University, USA.
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Wei M, Zhang R, Zhang F, Zhang Y, Li G, Miao R, Shao S. An Evaluation Approach of Cell Viability Based on Cell Detachment Assay in a Single-Channel Integrated Microfluidic Chip. ACS Sens 2019; 4:2654-2661. [PMID: 31502455 DOI: 10.1021/acssensors.9b01061] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Due to the heterogeneity of cancer cell populations, the traditional evaluation approach of cell viability based on the cell counting assay is quite inaccurate for the dose-response test of anticancer drugs, cell toxicology assays, and other biochemical stimulations. In this paper, an evaluation approach of cell viability based on the cell detachment assay in a single-channel integrated microfluidic chip is proposed to improve the accuracy of cell viability assessment. The electrodes are coated by fibronectin for specific cell adhesion, and it is biologically significant to study the cell detachment assay in vitro. The maximum number of cells that can be detected by this sensor is about 105 cells (overgrowing), while the minimum is about 100 cells. This method is calibrated with the half-maximal inhibitory concentration assay, and the results show that the cell viability calculated by adhesion strength is more accurate than that evaluated using the cell counting assay. Meanwhile, the shear rate is transformed into shear stress for the comparability among the results in other papers. The most sensitive frequency is also determined as 1 kHz according to normalized impedance. Besides, the impedance of cell adhesion affected by different shear stresses is monitored to study the optimized plan for long-term culture of cells in the integrated microfluidic chip prepared for the cell detachment assay. Adhesion strength τ25, which is the magnitude of shear stress needed to detach 75% of cell population, is introduced to describe the cell adhesion forces. It is calculated and normalized based on the cell detachment assay to evaluate cell viability. The relative errors of the cell detachment method compared with those of the cell counting method decrease by 0.637 (0% FBS), 0.586 (0.5% FBS), and 0.342 (2% FBS).
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46
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Campbell HK, Salvi AM, O'Brien T, Superfine R, DeMali KA. PAK2 links cell survival to mechanotransduction and metabolism. J Cell Biol 2019; 218:1958-1971. [PMID: 30940647 PMCID: PMC6548143 DOI: 10.1083/jcb.201807152] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 01/29/2019] [Accepted: 03/20/2019] [Indexed: 12/20/2022] Open
Abstract
Campbell et al. show that force stimulates PAK2 activation at cell–cell junctions, where it protects cells under force from death and plays a key role in linking force-induced mechanotransduction, metabolism, and cell survival. Too little or too much force can trigger cell death, yet factors that ensure the survival of cells remain largely unknown. Here, we demonstrate that E-cadherin responds to force by recruiting and activating p21-activated protein kinase 2 (PAK2) to allow cells to stiffen, metabolize, and survive. Interestingly, PAK2 activation and its control of the apoptotic response are specific for the amplitude of force applied. Specifically, under low amplitudes of physiological force, PAK2 is protected from proteolysis, thereby ensuring cell survival. In contrast, under higher amplitudes of physiological force, PAK2 is left unprotected and stimulates apoptosis, an effect that is prevented by cleavage-resistant forms of the protein. Finally, we demonstrate that PAK2 protection is conferred by direct binding of AMPK. Thus, PAK2 mediates the survival of cells under force. These findings reveal an unexpected paradigm for how mechanotransduction, metabolism, and cell survival are linked.
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Affiliation(s)
- Hannah K Campbell
- Department of Biochemistry, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA
| | - Alicia M Salvi
- Department of Biochemistry, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA
| | - Timothy O'Brien
- Department of Physics, University of North Carolina, Chapel Hill, NC
| | - Richard Superfine
- Department of Physics, University of North Carolina, Chapel Hill, NC
| | - Kris A DeMali
- Department of Biochemistry, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA
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47
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Dynamic in vitro models for tumor tissue engineering. Cancer Lett 2019; 449:178-185. [PMID: 30763717 DOI: 10.1016/j.canlet.2019.01.043] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 01/24/2019] [Accepted: 01/29/2019] [Indexed: 01/04/2023]
Abstract
Cancer research uses in vitro studies for controllable analysis of tumor behavior and preclinical testing of therapeutics. Shortcomings of basic cell culture systems in recreating in vivo interactions have driven the development of more efficient and biomimetic in vitro environments for cancer research. Assimilation of certain developments in tissue engineering will accelerate and improve the design of these environments. With the continual improvement of the tumor engineering field, the next step is towards macroscopic systems such as scaffold-supported, flow-perfused macroscale tumor bioreactors. Surface modifications of synthetic scaffolds allow for targeted cell adhesion and improved ECM development. Flow perfusion has emerged as means to expose cancerous tissues to critical biomechanical forces for tumor progression while simultaneously improving nutrient and waste transport. Macroscale perfusable systems allow for non-destructive real-time monitoring using biosensors capable of improving understanding of in vitro tumor development at reduced cost and waste. The combination of macroscale perfusable systems, surface-modified synthetic scaffolds, and non-destructive real-time monitoring will provide advanced platforms for in vitro modeling of tumor development, with broad applications in basic tumor research and preclinical drug development.
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48
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Gill NK, Ly C, Nyberg KD, Lee L, Qi D, Tofig B, Reis-Sobreiro M, Dorigo O, Rao J, Wiedemeyer R, Karlan B, Lawrenson K, Freeman MR, Damoiseaux R, Rowat AC. A scalable filtration method for high throughput screening based on cell deformability. LAB ON A CHIP 2019; 19:343-357. [PMID: 30566156 DOI: 10.1039/c8lc00922h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Cell deformability is a label-free biomarker of cell state in physiological and disease contexts ranging from stem cell differentiation to cancer progression. Harnessing deformability as a phenotype for screening applications requires a method that can simultaneously measure the deformability of hundreds of cell samples and can interface with existing high throughput facilities. Here we present a scalable cell filtration device, which relies on the pressure-driven deformation of cells through a series of pillars that are separated by micron-scale gaps on the timescale of seconds: less deformable cells occlude the gaps more readily than more deformable cells, resulting in decreased filtrate volume which is measured using a plate reader. The key innovation in this method is that we design customized arrays of individual filtration devices in a standard 96-well format using soft lithography, which enables multiwell input samples and filtrate outputs to be processed with higher throughput using automated pipette arrays and plate readers. To validate high throughput filtration to detect changes in cell deformability, we show the differential filtration of human ovarian cancer cells that have acquired cisplatin-resistance, which is corroborated with cell stiffness measurements using quantitative deformability cytometry. We also demonstrate differences in the filtration of human cancer cell lines, including ovarian cancer cells that overexpress transcription factors (Snail, Slug), which are implicated in epithelial-to-mesenchymal transition; breast cancer cells (malignant versus benign); and prostate cancer cells (highly versus weekly metastatic). We additionally show how the filtration of ovarian cancer cells is affected by treatment with drugs known to perturb the cytoskeleton and the nucleus. Our results across multiple cancer cell types with both genetic and pharmacologic manipulations demonstrate the potential of this scalable filtration device to screen cells based on their deformability.
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Affiliation(s)
- Navjot Kaur Gill
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, California, USA.
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49
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Matte BF, Kumar A, Placone JK, Zanella VG, Martins MD, Engler AJ, Lamers ML. Matrix stiffness mechanically conditions EMT and migratory behavior of oral squamous cell carcinoma. J Cell Sci 2019; 132:jcs.224360. [PMID: 30559248 DOI: 10.1242/jcs.224360] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 12/09/2018] [Indexed: 12/29/2022] Open
Abstract
Tumors are composed of heterogeneous phenotypes, each having different sensitivities to the microenvironment. One microenvironment characteristic - matrix stiffness - helps to regulate malignant transformation and invasion in mammary tumors, but its influence on oral squamous cell carcinoma (OSCC) is unclear. We observed that, on stiff matrices, a highly invasive OSCC cell line (SCC25) comprising a low E-cad to N-cad ratio (InvH/E:NL; SCC25) had increased migration velocity and decreased adhesion strength compared to a less invasive OSCC cell line (Cal27) with high E-cad to N-cad ratio (InvL/E:NH; Cal27). However, InvL/E:NH cells acquire a mesenchymal signature and begin to migrate faster when exposed to prolonged time on a stiff niche, suggesting that cells can be mechanically conditioned. Owing to increased focal adhesion assembly, InvL/E:NH cells migrated faster, which could be reduced when increasing integrin affinity with high divalent cation concentrations. Mirroring these data in human patients, we observed that collagen organization, an indicator of matrix stiffness, was increased with advanced disease and correlated with early recurrence. Consistent with epithelial tumors, our data suggest that OSCC cells are mechanically sensitive and that their contribution to tumor progression is mediated in part by this sensitivity.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Bibiana F Matte
- Department of Oral Pathology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Department of Bioengineering, University of California, San Diego; La Jolla, CA 92093, USA
| | - Aditya Kumar
- Department of Bioengineering, University of California, San Diego; La Jolla, CA 92093, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA
| | - Jesse K Placone
- Department of Bioengineering, University of California, San Diego; La Jolla, CA 92093, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA
| | - Virgílio G Zanella
- Department of Oral Pathology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Head and Neck Surgery Department, Santa Rita Hospital, Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, RS, Brazil
| | - Manoela D Martins
- Department of Oral Pathology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Adam J Engler
- Department of Bioengineering, University of California, San Diego; La Jolla, CA 92093, USA .,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA
| | - Marcelo L Lamers
- Department of Oral Pathology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil .,Department of Morphological Sciences, Institute of Basic Health Sciences, Universidade Federal of Rio Grande do Sul, Porto Alegre, RS, Brazil
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50
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Liou YF, Hsieh YS, Hung TW, Chen PN, Chang YZ, Kao SH, Lin SW, Chang HR. Thymoquinone inhibits metastasis of renal cell carcinoma cell 786-O-SI3 associating with downregulation of MMP-2 and u-PA and suppression of PI3K/Src signaling. Int J Med Sci 2019; 16:686-695. [PMID: 31217736 PMCID: PMC6566734 DOI: 10.7150/ijms.32763] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 04/11/2019] [Indexed: 12/11/2022] Open
Abstract
Phytochemicals represent an important source of novel anticancer and chemotherapeutic agents. Thymoquinone (TQ) is the major bioactive phytochemical derived from the seeds of Nigella sativa and has shown potent anticancer activities. In this study, we aimed to investigate the anticancer activity of Thymoquinone on the human renal carcinoma cell 786-O-SI3 and the underlying mechanism. By using cell proliferation assay, wound healing, and invasion assay, we found that Thymoquinone did not affect the viability of 786-O-SI3 and human kidney-2, but clearly inhibited the migration and invasion of 786-O-SI3. Further zymography and immunoblotting analysis showed that Thymoquinone downregulated the activity and expression of matrix metalloproteinase (MMP)-2 and urokinase-type plasminogen activator (u-PA) and attenuated the adhesion of 786-O-SI3 to type I and type IV collagen. Kinase cascade assay indicated that Thymoquinone inhibited the phosphorylation of phosphatidylinositol 3-kinase, Akt, Src, and Paxillin. In addition, Thymoquinone also decreased the level of fibronectin, N-cadherin, and Rho A. In parallel, Thymoquinone dose-dependently suppressed the transforming growth factor (TGF)-β-promoted u-PA activity and expression, as well as the cell motility and invasion of 786-O-SI3. Furthermore, tumor xenograft model revealed that Thymoquinone in vivo inhibited the 786-O-SI3 metastasizing to the lung. Collectively, these findings indicate that Thymoquinone inhibits the metastatic ability of 786-O-SI3, suggesting that Thymoquinone might be beneficial to promote the chemotherapy for renal cell carcinoma.
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Affiliation(s)
- Yih-Farng Liou
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Internal Medicine, Feng Yuan Hospital, Ministry of Health and Welfare, Taiwan
| | - Yih-Shou Hsieh
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Tung-Wei Hung
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Division of Nephrology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Pei-Ni Chen
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yan-Zin Chang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Shao-Hsuan Kao
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Shu-Wen Lin
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Horng-Rong Chang
- Division of Nephrology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
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