1
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Beunk L, Wen N, van Helvert S, Bekker B, Ran L, Kang R, Paulat T, Syga S, Deutsch A, Friedl P, Wolf K. Cell jamming in a collagen-based interface assay is tuned by collagen density and proteolysis. J Cell Sci 2023; 136:jcs260207. [PMID: 37987169 PMCID: PMC10753497 DOI: 10.1242/jcs.260207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 11/15/2023] [Indexed: 11/22/2023] Open
Abstract
Tumor cell invasion into heterogenous interstitial tissues consisting of network-, channel- or rift-like architectures involves both matrix metalloproteinase (MMP)-mediated tissue remodeling and cell shape adaptation to tissue geometry. Three-dimensional (3D) models composed of either porous or linearly aligned architectures have added to the understanding of how physical spacing principles affect migration efficacy; however, the relative contribution of each architecture to decision making in the presence of varying MMP availability is not known. Here, we developed an interface assay containing a cleft between two high-density collagen lattices, and we used this assay to probe tumor cell invasion efficacy, invasion mode and MMP dependence in concert. In silico modeling predicted facilitated cell migration into confining clefts independently of MMP activity, whereas migration into dense porous matrix was predicted to require matrix degradation. This prediction was verified experimentally, where inhibition of collagen degradation was found to strongly compromise migration into 3D collagen in a density-dependent manner, but interface-guided migration remained effective, occurring by cell jamming. The 3D interface assay reported here may serve as a suitable model to better understand the impact of in vivo-relevant interstitial tissue topologies on tumor invasion patterning and responses to molecular interventions.
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Affiliation(s)
- Lianne Beunk
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
| | - Nan Wen
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
| | - Sjoerd van Helvert
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
| | - Bram Bekker
- Department of Mathematics, Faculty of Natural Science, Mathematics and Informatics, Radboud University, 6500 GL Nijmegen, The Netherlands
| | - Lars Ran
- Department of Mathematics, Faculty of Natural Science, Mathematics and Informatics, Radboud University, 6500 GL Nijmegen, The Netherlands
| | - Ross Kang
- Department of Mathematics, Faculty of Natural Science, Mathematics and Informatics, Radboud University, 6500 GL Nijmegen, The Netherlands
| | - Tom Paulat
- Department of Innovative Computing, Centre for Information Services and High Performance Computing, Technical University Dresden, 01062 Dresden, Germany
| | - Simon Syga
- Department of Innovative Computing, Centre for Information Services and High Performance Computing, Technical University Dresden, 01062 Dresden, Germany
| | - Andreas Deutsch
- Department of Innovative Computing, Centre for Information Services and High Performance Computing, Technical University Dresden, 01062 Dresden, Germany
| | - Peter Friedl
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
- David H. Koch Center for Applied Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Katarina Wolf
- Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, GA 6525, The Netherlands
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2
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Slama Y, Ah-Pine F, Khettab M, Arcambal A, Begue M, Dutheil F, Gasque P. The Dual Role of Mesenchymal Stem Cells in Cancer Pathophysiology: Pro-Tumorigenic Effects versus Therapeutic Potential. Int J Mol Sci 2023; 24:13511. [PMID: 37686315 PMCID: PMC10488262 DOI: 10.3390/ijms241713511] [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: 08/02/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023] Open
Abstract
Mesenchymal stem/stromal cells (MSCs) are multipotent cells involved in numerous physiological events, including organogenesis, the maintenance of tissue homeostasis, regeneration, or tissue repair. MSCs are increasingly recognized as playing a major, dual, and complex role in cancer pathophysiology through their ability to limit or promote tumor progression. Indeed, these cells are known to interact with the tumor microenvironment, modulate the behavior of tumor cells, influence their functions, and promote distant metastasis formation through the secretion of mediators, the regulation of cell-cell interactions, and the modulation of the immune response. This dynamic network can lead to the establishment of immunoprivileged tissue niches or the formation of new tumors through the proliferation/differentiation of MSCs into cancer-associated fibroblasts as well as cancer stem cells. However, MSCs exhibit also therapeutic effects including anti-tumor, anti-proliferative, anti-inflammatory, or anti-oxidative effects. The therapeutic interest in MSCs is currently growing, mainly due to their ability to selectively migrate and penetrate tumor sites, which would make them relevant as vectors for advanced therapies. Therefore, this review aims to provide an overview of the double-edged sword implications of MSCs in tumor processes. The therapeutic potential of MSCs will be reviewed in melanoma and lung cancers.
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Affiliation(s)
- Youssef Slama
- Unité de Recherche Études Pharmaco-Immunologiques (EPI), Université de La Réunion, CHU de La Réunion, Allée des Topazes, 97400 Saint-Denis, La Réunion, France; (F.A.-P.); (M.K.); (P.G.)
- Service de Radiothérapie, Clinique Sainte-Clotilde, Groupe Clinifutur, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France; (M.B.); (F.D.)
- Laboratoire Interdisciplinaire de Recherche en Santé (LIRS), RunResearch, Clinique Sainte-Clotilde, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France;
| | - Franck Ah-Pine
- Unité de Recherche Études Pharmaco-Immunologiques (EPI), Université de La Réunion, CHU de La Réunion, Allée des Topazes, 97400 Saint-Denis, La Réunion, France; (F.A.-P.); (M.K.); (P.G.)
- Service d’Anatomie et Cytologie Pathologiques, CHU de La Réunion sites SUD—Saint-Pierre, Avenue François Mitterrand, 97448 Saint-Pierre Cedex, La Réunion, France
| | - Mohamed Khettab
- Unité de Recherche Études Pharmaco-Immunologiques (EPI), Université de La Réunion, CHU de La Réunion, Allée des Topazes, 97400 Saint-Denis, La Réunion, France; (F.A.-P.); (M.K.); (P.G.)
- Service d’Oncologie Médicale, CHU de La Réunion sites SUD—Saint-Pierre, Avenue François Mitterrand, 97448 Saint-Pierre Cedex, La Réunion, France
| | - Angelique Arcambal
- Laboratoire Interdisciplinaire de Recherche en Santé (LIRS), RunResearch, Clinique Sainte-Clotilde, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France;
| | - Mickael Begue
- Service de Radiothérapie, Clinique Sainte-Clotilde, Groupe Clinifutur, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France; (M.B.); (F.D.)
- Laboratoire Interdisciplinaire de Recherche en Santé (LIRS), RunResearch, Clinique Sainte-Clotilde, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France;
| | - Fabien Dutheil
- Service de Radiothérapie, Clinique Sainte-Clotilde, Groupe Clinifutur, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France; (M.B.); (F.D.)
- Laboratoire Interdisciplinaire de Recherche en Santé (LIRS), RunResearch, Clinique Sainte-Clotilde, 127 Route de Bois de Nèfles, 97400 Saint-Denis, La Réunion, France;
| | - Philippe Gasque
- Unité de Recherche Études Pharmaco-Immunologiques (EPI), Université de La Réunion, CHU de La Réunion, Allée des Topazes, 97400 Saint-Denis, La Réunion, France; (F.A.-P.); (M.K.); (P.G.)
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3
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Agena R, Cortés-Sánchez ADJ, Hernández-Sánchez H, Álvarez-Salas LM, Martínez-Rodríguez OP, García VHR, Jaramillo Flores ME. Pro-Apoptotic Activity and Cell Cycle Arrest of Caulerpa sertularioides against SKLU-1 Cancer Cell in 2D and 3D Cultures. Molecules 2023; 28:molecules28114361. [PMID: 37298837 DOI: 10.3390/molecules28114361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/18/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Cancer is a disease with the highest mortality and morbidity rate worldwide. First-line drugs induce several side effects that drastically reduce the quality of life of people with this disease. Finding molecules to prevent it or generate less aggressiveness or no side effects is significant to counteract this problem. Therefore, this work searched for bioactive compounds of marine macroalgae as an alternative treatment. An 80% ethanol extract of dried Caulerpa sertularioides (CSE) was analyzed by HPLS-MS to identify the chemical components. CSE was utilized through a comparative 2D versus 3D culture model. Cisplatin (Cis) was used as a standard drug. The effects on cell viability, apoptosis, cell cycle, and tumor invasion were evaluated. The IC50 of CSE for the 2D model was 80.28 μg/mL versus 530 μg/mL for the 3D model after 24 h of treatment exposure. These results confirmed that the 3D model is more resistant to treatments and complex than the 2D model. CSE generated a loss of mitochondrial membrane potential, induced apoptosis by extrinsic and intrinsic pathways, upregulated caspases-3 and -7, and significantly decreased tumor invasion of a 3D SKLU-1 lung adenocarcinoma cell line. CSE generates biochemical and morphological changes in the plasma membrane and causes cell cycle arrest at the S and G2/M phases. These findings conclude that C. sertularioides is a potential candidate for alternative treatment against lung cancer. This work reinforced the use of complex models for drug screening and suggested using CSE's primary component, caulerpin, to determine its effect and mechanism of action on SKLU-1 in the future. A multi-approach with molecular and histological analysis and combination with first-line drugs must be included.
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Affiliation(s)
- Rosette Agena
- Ingeniería Bioquímica-Escuela Nacional de Ciencias Biológicas (ENCB)-Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
| | | | - Humberto Hernández-Sánchez
- Ingeniería Bioquímica-Escuela Nacional de Ciencias Biológicas (ENCB)-Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
| | - Luis Marat Álvarez-Salas
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Ciudad de México 07360, Mexico
| | - Oswaldo Pablo Martínez-Rodríguez
- Ingeniería Bioquímica-Escuela Nacional de Ciencias Biológicas (ENCB)-Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
| | - Víctor Hugo Rosales García
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Ciudad de México 07360, Mexico
| | - María Eugenia Jaramillo Flores
- Ingeniería Bioquímica-Escuela Nacional de Ciencias Biológicas (ENCB)-Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
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4
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Mao BH, Nguyen Thi KM, Tang MJ, Kamm RD, Tu TY. The interface stiffness and topographic feature dictate interfacial invasiveness of cancer spheroids. Biofabrication 2023; 15. [PMID: 36594698 DOI: 10.1088/1758-5090/acaa00] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
During cancer metastasis, tumor cells likely navigate, in a collective manner, discrete tissue spaces comprising inherently heterogeneous extracellular matrix microstructures where interfaces may be frequently encountered. Studies have shown that cell migration modes can be determined by adaptation to mechanical/topographic cues from interfacial microenvironments. However, less attention has been paid to exploring the impact of interfacial mechnochemical attributes on invasive and metastatic behaviors of tumor aggregates. Here, we excogitated a collagen matrix-solid substrate interface platform to investigate the afore-stated interesting issue. Our data revealed that stiffer interfaces stimulated spheroid outgrowth by motivating detachment of single cells and boosting their motility and velocity. However, stronger interfacial adhesive strength between matrix and substrate led to the opposite outcomes. Besides, this interfacial parameter also affected the morphological switch between migration modes of the detached cells and their directionality. Mechanistically, myosin II-mediated cell contraction, compared to matrix metalloproteinases-driven collagen degradation, was shown to play a more crucial role in the invasive outgrowth of tumor spheroids in interfacial microenvironments. Thus, our findings highlight the importance of heterogeneous interfaces in addressing and combating cancer metastasis.
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Affiliation(s)
- Bin-Hsu Mao
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan
| | - Kim Mai Nguyen Thi
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan
| | - Ming-Jer Tang
- Department of Physiology, College of Medicine, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan.,International Center for Wound Repair and Regeneration, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan
| | - Roger D Kamm
- Department of Biological Engineering, Massachusetts institute of Technology, Cambridge, MA 02139, United States of America.,Department of Mechanical Engineering, Massachusetts institute of Technology, Cambridge, MA 02139, United States of America
| | - Ting-Yuan Tu
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan.,International Center for Wound Repair and Regeneration, National Cheng Kung University, No.1, University Road, Tainan City 701, Taiwan.,Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan No.1, University Road, Tainan City 701, Taiwan
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5
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Pally D, Goutham S, Bhat R. Extracellular matrix as a driver for intratumoral heterogeneity. Phys Biol 2022; 19. [PMID: 35545075 DOI: 10.1088/1478-3975/ac6eb0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 05/11/2022] [Indexed: 11/12/2022]
Abstract
The architecture of an organ is built through interactions between its native cells and its connective tissue consisting of stromal cells and the extracellular matrix (ECM). Upon transformation through tumorigenesis, such interactions are disrupted and replaced by a new set of intercommunications between malignantly transformed parenchyma, an altered stromal cell population, and a remodeled ECM. In this perspective, we propose that the intratumoral heterogeneity of cancer cell phenotypes is an emergent property of such reciprocal intercommunications, both biochemical and mechanical-physical, which engender and amplify the diversity of cell behavioral traits. An attempt to assimilate such findings within a framework of phenotypic plasticity furthers our understanding of cancer progression.
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Affiliation(s)
- Dharma Pally
- Molecular Reproduction Development and Genetics, Indian Institute of Science, GA 07, Bangalore, Karnataka, 560012, INDIA
| | - Shyamili Goutham
- Molecular Reproduction Development and Genetics, Indian Institute of Science, GA 07, Bangalore, Karnataka, 560012, INDIA
| | - Ramray Bhat
- Molecular Reproduction Development and Genetics, Indian Institute of Science, GA 07, Bangalore, Karnataka, 560012, INDIA
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6
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The Impact of Obesity, Adipose Tissue, and Tumor Microenvironment on Macrophage Polarization and Metastasis. BIOLOGY 2022; 11:biology11020339. [PMID: 35205204 PMCID: PMC8869089 DOI: 10.3390/biology11020339] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/19/2022] [Accepted: 02/15/2022] [Indexed: 12/11/2022]
Abstract
Simple Summary The inflammatory adipose microenvironment in obesity plays a crucial role in cancer development and metastases. By focusing on adipocytes and macrophages, as well as the extracellular matrix, the cellular and molecular mechanisms that link inflammation, obesity, and cancer will be addressed by this review. After describing the tumor microenvironment and extracellular matrix, the influence of M1, M2, and tumor-associated macrophages will be explored through their origin, classification, polarization, and regulatory networks, including their potential role in angiogenesis, invasion, metastasis, and immunosuppression, with a specific focus on the roles of adipocytes in this process. Abstract Tumor metastasis is a major cause of death in cancer patients. It involves not only the intrinsic alterations within tumor cells, but also crosstalk between these cells and components of the tumor microenvironment (TME). Tumorigenesis is a complex and dynamic process, involving the following three main stages: initiation, progression, and metastasis. The transition between these stages depends on the changes within the extracellular matrix (ECM), in which tumor and stromal cells reside. This matrix, under the effect of growth factors, cytokines, and adipokines, can be morphologically altered, degraded, or reorganized. Many cancers evolve to form an immunosuppressive TME locally and create a pre-metastatic niche in other tissue sites. TME and pre-metastatic niches include myofibroblasts, immuno-inflammatory cells (macrophages), adipocytes, blood, and lymphatic vascular networks. Several studies have highlighted the adipocyte-macrophage interaction as a key driver of cancer progression and dissemination. The following two main classes of macrophages are distinguished: M1 (pro-inflammatory/anti-tumor) and M2 (anti-inflammatory/pro-tumor). These cells exhibit distinct microenvironment-dependent phenotypes that can promote or inhibit metastasis. On the other hand, obesity in cancer patients has been linked to a poor prognosis. In this regard, tumor-associated adipocytes modulate TME through the secretion of inflammatory mediators, which modulate and recruit tumor-associated macrophages (TAM). Hereby, this review describes the cellular and molecular mechanisms that link inflammation, obesity, and cancer. It provides a comprehensive overview of adipocytes and macrophages in the ECM as they control cancer initiation, progression, and invasion. In addition, it addresses the mechanisms of tumor anchoring and recruitment for M1, M2, and TAM macrophages, specifically highlighting their origin, classification, polarization, and regulatory networks, as well as their roles in the regulation of angiogenesis, invasion, metastasis, and immunosuppression, specifically highlighting the role of adipocytes in this process.
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7
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3D Modeling of Epithelial Tumors-The Synergy between Materials Engineering, 3D Bioprinting, High-Content Imaging, and Nanotechnology. Int J Mol Sci 2021; 22:ijms22126225. [PMID: 34207601 PMCID: PMC8230141 DOI: 10.3390/ijms22126225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 12/12/2022] Open
Abstract
The current statistics on cancer show that 90% of all human cancers originate from epithelial cells. Breast and prostate cancer are examples of common tumors of epithelial origin that would benefit from improved drug treatment strategies. About 90% of preclinically approved drugs fail in clinical trials, partially due to the use of too simplified in vitro models and a lack of mimicking the tumor microenvironment in drug efficacy testing. This review focuses on the origin and mechanism of epithelial cancers, followed by experimental models designed to recapitulate the epithelial cancer structure and microenvironment, such as 2D and 3D cell culture models and animal models. A specific focus is put on novel technologies for cell culture of spheroids, organoids, and 3D-printed tissue-like models utilizing biomaterials of natural or synthetic origins. Further emphasis is laid on high-content imaging technologies that are used in the field to visualize in vitro models and their morphology. The associated technological advancements and challenges are also discussed. Finally, the review gives an insight into the potential of exploiting nanotechnological approaches in epithelial cancer research both as tools in tumor modeling and how they can be utilized for the development of nanotherapeutics.
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8
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Liu Y, Jiao Y, He D, Fan Q, Zheng Y, Li G, Wang G, Yao J, Chen G, Lou S, Shuai J, Liu L. Deriving time-varying cellular motility parameters via wavelet analysis. Phys Biol 2021; 18. [PMID: 33910180 DOI: 10.1088/1478-3975/abfcad] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 04/28/2021] [Indexed: 11/11/2022]
Abstract
Cell migration, which is regulated by intracellular signaling pathways (ICSP) and extracellular matrix (ECM), plays an indispensable role in many physiological and pathological process such as normal tissue development and cancer metastasis. However, there is a lack of rigorous and quantitative tools for analyzing the time-varying characteristics of cell migration in heterogeneous microenvironment, resulted from, e.g. the time-dependent local stiffness due to microstructural remodeling by migrating cells. Here, we develop a wavelet-analysis approach to derive the time-dependent motility parameters from cell migration trajectories, based on the time-varying persistent random walk model. In particular, the wavelet denoising and wavelet transform are employed to analyze migration velocities and obtain the wavelet power spectrum. Subsequently, the time-dependent motility parameters are derived via Lorentzian power spectrum. Our results based on synthetic data indicate the superiority of the method for estimating the intrinsic transient motility parameters, robust against a variety of stochastic noises. We also carry out a systematic parameter study and elaborate the effects of parameter selection on the performance of the method. Moreover, we demonstrate the utility of our approach via analyzing experimental data ofin vitrocell migration in distinct microenvironments, including the migration of MDA-MB-231 cells in confined micro-channel arrays and correlated migration of MCF-10A cells due to ECM-mediated mechanical coupling. Our analysis shows that our approach can be as a powerful tool to accurately derive the time-dependent motility parameters, and further analyze the time-dependent characteristics of cell migration regulated by complex microenvironment.
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Affiliation(s)
- Yanping Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Yang Jiao
- Materials Science and Engineering, Arizona State University, Tempe, Arizona 85287, United States of America.,Department of Physics, Arizona State University, Tempe, Arizona 85287, United States of America
| | - Da He
- Spine Surgery, Beijing Jishuitan Hospital, Beijing, 100035, People's Republic of China
| | - Qihui Fan
- Beijing National Laboratory for Condensed Matte Physics and CAS Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Yu Zheng
- Department of Physics, Arizona State University, Tempe, Arizona 85287, United States of America
| | - Guoqiang Li
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Gao Wang
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Jingru Yao
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Guo Chen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, People's Republic of China
| | - Silong Lou
- Department of Neurosurgery, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China
| | - Jianwei Shuai
- Department of Physics and Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen 361005, People's Republic of China.,Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, People's Republic of China
| | - Liyu Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, People's Republic of China
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9
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Samandari M, Rafiee L, Alipanah F, Sanati-Nezhad A, Javanmard SH. A simple, low cost and reusable microfluidic gradient strategy and its application in modeling cancer invasion. Sci Rep 2021; 11:10310. [PMID: 33986379 PMCID: PMC8119451 DOI: 10.1038/s41598-021-89635-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/27/2021] [Indexed: 02/03/2023] Open
Abstract
Microfluidic chemical gradient generators enable precise spatiotemporal control of chemotactic signals to study cellular behavior with high resolution and reliability. However, time and cost consuming preparation steps for cell adhesion in microchannels as well as requirement of pumping facilities usually complicate the application of the microfluidic assays. Here, we introduce a simple strategy for preparation of a reusable and stand-alone microfluidic gradient generator to study cellular behavior. Polydimethylsiloxane (PDMS) is directly mounted on the commercial polystyrene-based cell culture surfaces by manipulating the PDMS curing time to optimize bonding strength. The stand-alone strategy not only offers pumpless application of this microfluidic device but also ensures minimal fluidic pressure and consequently a leakage-free system. Elimination of any surface treatment or coating significantly facilitates the preparation of the microfluidic assay and offers a detachable PDMS microchip which can be reused following to a simple cleaning and sterilization step. The chemotactic signal in our microchip is further characterized using numerical and experimental evaluations and it is demonstrated that the device can generate both linear and polynomial signals. Finally, the feasibility of the strategy in deciphering cellular behavior is demonstrated by exploring cancer cell migration and invasion in response to chemical stimuli. The introduced strategy can significantly decrease the complexity of the microfluidic chemotaxis assays and increase their throughput for various cellular and molecular studies.
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Affiliation(s)
- Mohamadmahdi Samandari
- Department of Physiology, Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Laleh Rafiee
- Department of Physiology, Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Fatemeh Alipanah
- Department of Physiology, Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Amir Sanati-Nezhad
- Center for Bioengineering Research and Education, and Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, AB, T2N 1N4, Canada.
| | - Shaghayegh Haghjooy Javanmard
- Department of Physiology, Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran.
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10
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Liu Y, Jiao Y, Fan Q, Zheng Y, Li G, Yao J, Wang G, Lou S, Chen G, Shuai J, Liu L. Shannon entropy for time-varying persistence of cell migration. Biophys J 2021; 120:2552-2565. [PMID: 33940024 DOI: 10.1016/j.bpj.2021.04.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/10/2021] [Accepted: 04/26/2021] [Indexed: 12/13/2022] Open
Abstract
Cell migration, which can be significantly affected by intracellular signaling pathways and extracellular matrix, plays a crucial role in many physiological and pathological processes. Cell migration is typically modeled as a persistent random walk, which depends on two critical motility parameters, i.e., migration speed and persistence time. It is generally very challenging to efficiently and accurately quantify the migration dynamics from noisy experimental data. Here, we introduce the normalized Shannon entropy (SE) based on the FPS of cellular velocity autocovariance function to quantify migration dynamics. The SE introduced here possesses a similar physical interpretation as the Gibbs entropy for thermal systems in that SE naturally reflects the degree of order or randomness of cellular migration, attaining the maximal value of unity for purely diffusive migration (i.e., SE = 1 for the most "random" dynamics) and the minimal value of 0 for purely ballistic dynamics (i.e., SE = 0 for the most "ordered" dynamics). We also find that SE is strongly correlated with the migration persistence but is less sensitive to the migration speed. Moreover, we introduce the time-varying SE based on the WPS of cellular dynamics and demonstrate its superior utility to characterize the time-dependent persistence of cell migration, which typically results from complex and time-varying intra- or extracellular mechanisms. We employ our approach to analyze experimental data of in vitro cell migration regulated by distinct intracellular and extracellular mechanisms, exhibiting a rich spectrum of dynamic characteristics. Our analysis indicates that the SE and wavelet transform (i.e., SE-based approach) offers a simple and efficient tool to quantify cell migration dynamics in complex microenvironment.
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Affiliation(s)
- Yanping Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China
| | - Yang Jiao
- Materials Science and Engineering, Arizona State University, Tempe, Arizona; Department of Physics, Arizona State University, Tempe, Arizona
| | - Qihui Fan
- Beijing National Laboratory for Condensed Matter Physics and CAS Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China
| | - Yu Zheng
- Department of Physics, Arizona State University, Tempe, Arizona
| | - Guoqiang Li
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China
| | - Jingru Yao
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China
| | - Gao Wang
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China
| | - Silong Lou
- Department of Neurosurgery, Chongqing University Cancer Hospital, Chongqing, China
| | - Guo Chen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China
| | - Jianwei Shuai
- Department of Physics and Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen 361005, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China.
| | - Liyu Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China.
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11
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Nisar S, Yousuf P, Masoodi T, Wani NA, Hashem S, Singh M, Sageena G, Mishra D, Kumar R, Haris M, Bhat AA, Macha MA. Chemokine-Cytokine Networks in the Head and Neck Tumor Microenvironment. Int J Mol Sci 2021; 22:ijms22094584. [PMID: 33925575 PMCID: PMC8123862 DOI: 10.3390/ijms22094584] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 04/03/2021] [Accepted: 04/05/2021] [Indexed: 02/07/2023] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) are aggressive diseases with a dismal patient prognosis. Despite significant advances in treatment modalities, the five-year survival rate in patients with HNSCC has improved marginally and therefore warrants a comprehensive understanding of the HNSCC biology. Alterations in the cellular and non-cellular components of the HNSCC tumor micro-environment (TME) play a critical role in regulating many hallmarks of cancer development including evasion of apoptosis, activation of invasion, metastasis, angiogenesis, response to therapy, immune escape mechanisms, deregulation of energetics, and therefore the development of an overall aggressive HNSCC phenotype. Cytokines and chemokines are small secretory proteins produced by neoplastic or stromal cells, controlling complex and dynamic cell-cell interactions in the TME to regulate many cancer hallmarks. This review summarizes the current understanding of the complex cytokine/chemokine networks in the HNSCC TME, their role in activating diverse signaling pathways and promoting tumor progression, metastasis, and therapeutic resistance development.
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Affiliation(s)
- Sabah Nisar
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
| | - Parvaiz Yousuf
- Department of Zoology, School of Life Sciences, Central University of Kashmir, Ganderbal 191201, India;
| | - Tariq Masoodi
- Department of Genomic Medicine, Genetikode 400102, India;
| | - Nissar A. Wani
- Department of Biotechnology, School of Life Sciences, Central University of Kashmir, Ganderbal 191201, India;
| | - Sheema Hashem
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
| | - Mayank Singh
- Departmental of Medical Oncology, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi 110029, India;
| | | | - Deepika Mishra
- Centre for Dental Education and Research, Department of Oral Pathology and Microbiology, All India Institute of Medical Sciences, New Delhi 110029, India;
| | - Rakesh Kumar
- Centre for Advanced Research, School of Biotechnology and Indian Council of Medical Research, Shri Mata Vaishno Devi University, Katra 182320, India;
| | - Mohammad Haris
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
- Laboratory Animal Research Center, Qatar University, Doha 2713, Qatar
| | - Ajaz A. Bhat
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
- Correspondence: (A.A.B.); or (M.A.M.); Tel.: +974-40037703 (A.A.B.); +91-8082326900 (M.A.M.)
| | - Muzafar A. Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Awantipora 192122, India
- Correspondence: (A.A.B.); or (M.A.M.); Tel.: +974-40037703 (A.A.B.); +91-8082326900 (M.A.M.)
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12
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Three-Dimensional Culture System of Cancer Cells Combined with Biomaterials for Drug Screening. Cancers (Basel) 2020; 12:cancers12102754. [PMID: 32987868 PMCID: PMC7601447 DOI: 10.3390/cancers12102754] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary For the research and development of drug discovery, it is of prime importance to construct the three-dimensional (3D) tissue models in vitro. To this end, the enhancement design of cell function and activity by making use of biomaterials is essential. In this review, 3D culture systems of cancer cells combined with several biomaterials for anticancer drug screening are introduced. Abstract Anticancer drug screening is one of the most important research and development processes to develop new drugs for cancer treatment. However, there is a problem resulting in gaps between the in vitro drug screening and preclinical or clinical study. This is mainly because the condition of cancer cell culture is quite different from that in vivo. As a trial to mimic the in vivo cancer environment, there has been some research on a three-dimensional (3D) culture system by making use of biomaterials. The 3D culture technologies enable us to give cancer cells an in vitro environment close to the in vivo condition. Cancer cells modified to replicate the in vivo cancer environment will promote the biological research or drug discovery of cancers. This review introduces the in vitro research of 3D cell culture systems with biomaterials in addition to a brief summary of the cancer environment.
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13
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A System Biology-Based Approach for Designing Combination Therapy in Cancer Precision Medicine. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5072697. [PMID: 32908895 PMCID: PMC7471815 DOI: 10.1155/2020/5072697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/07/2020] [Accepted: 07/22/2020] [Indexed: 12/02/2022]
Abstract
In this paper, we have used an agent-based stochastic tumor growth model and presented a mathematical and theoretical perspective to cancer therapy. This perspective can be used to theoretical study of precision medicine and combination therapy in individuals. We have conducted a series of in silico combination therapy experiments. Based on cancer drugs and new findings of cancer biology, we hypothesize relationships between model parameters which in some cases represent individual genome characteristics and cancer drugs, i.e., in our approach, therapy players are delegated by biologically reasonable parameters. In silico experiments showed that combined therapies are more effective when players affect tumor via different mechanisms and have different physical dimensions. This research presents for the first time an algorithm as a theoretical viewpoint for the prediction of effectiveness and classification of therapy sets.
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14
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Chen BJ, Wu JS, Tang YJ, Tang YL, Liang XH. What makes leader cells arise: Intrinsic properties and support from neighboring cells. J Cell Physiol 2020; 235:8983-8995. [PMID: 32572948 DOI: 10.1002/jcp.29828] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 05/16/2020] [Indexed: 02/05/2023]
Abstract
Cancer cells collectively invading as a cohesive and polarized group is termed collective invasion, which is a fundamental property of many types of cancers. In this multicellular unit, cancer cells are heterogeneous, consisting of two morphologically and functionally distinct subpopulations, leader cells and follower cells. Leader cells at the invasive front are responsible for exploring the microenvironment, paving the way, and transmitting information to follower cells. Here, in this review, we will describe the important role of leader cells in collective invasion and the emerging underlying mechanisms of leader cell formation including intrinsic properties and the support from neighboring cells. It will help us to elucidate the essence of collective invasion and provide new anticancer therapeutic clues.
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Affiliation(s)
- Bing-Jun Chen
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jia-Shun Wu
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ya-Jie Tang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Ya-Ling Tang
- State Key Laboratory of Oral Diseases, Department of Oral Pathology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin-Hua Liang
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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15
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Li XY, Dong M, Zang XY, Li MY, Zhou JY, Ma JJ, Wang GY. The emerging role of circulating tumor cells in cancer management. Am J Transl Res 2020; 12:332-342. [PMID: 32194887 PMCID: PMC7061830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 01/28/2020] [Indexed: 06/10/2023]
Abstract
Circulating tumor cells (CTCs) are cells that are shed from the primary tumor and circulate in the blood, and their metastasis and formation of a secondary tumor are closely associated with cancer-related death. Therefore, regulating tumor metastasis through CTCs can be a novel strategy to fight cancer. It has been demonstrated that CTCs can reflect the profile of the primary tumor and provide valuable information about intratumoral heterogeneity and their evolution over time. Moreover, the revelation of the relationship between metastasis and CTCs suggests that CTC regulation represents a promising novel anticancer strategy. Above all, at the molecular level, genetic analysis might be vital in the new era of gene-targeted cancer therapies and contribute to personalized anti-metastasis tumor treatments. In this review, we will focus on the biological significance of CTCs in the peripheral blood and discuss their potential clinical implications in cancer management.
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Affiliation(s)
- Xue-Yao Li
- Human Anatomy Laboratory, School of Basic Medicine, Xinxiang Medical University Xinxiang 453003, Henan, China
| | - Man Dong
- The Third Affiliated Hospital of Xinxiang Medical University Xinxiang 453003, Henan, China
| | - Xiang-Yang Zang
- Human Anatomy Laboratory, School of Basic Medicine, Xinxiang Medical University Xinxiang 453003, Henan, China
| | - Miao-Ya Li
- Human Anatomy Laboratory, School of Basic Medicine, Xinxiang Medical University Xinxiang 453003, Henan, China
| | - Jing-Yi Zhou
- Human Anatomy Laboratory, School of Basic Medicine, Xinxiang Medical University Xinxiang 453003, Henan, China
| | - Jian-Jun Ma
- Human Anatomy Laboratory, School of Basic Medicine, Xinxiang Medical University Xinxiang 453003, Henan, China
| | - Gang-Yang Wang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine Shanghai 200080, China
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16
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Liu R, Song K, Hu Z, Cao W, Shuai J, Chen S, Nan H, Zheng Y, Jiang X, Zhang H, Han W, Liao Y, Qu J, Jiao Y, Liu L. Diversity of collective migration patterns of invasive breast cancer cells emerging during microtrack invasion. Phys Rev E 2019; 99:062403. [PMID: 31330694 DOI: 10.1103/physreve.99.062403] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Indexed: 12/15/2022]
Abstract
Understanding the mechanisms underlying the diversity of tumor invasion dynamics, including single-cell migration, multicellular streaming, and the emergence of various collective migration patterns, is a long-standing problem in cancer research. Here we have designed and fabricated a series of microchips containing high-throughput microscale tracks using protein repelling coating technology, which were then covered with a thin Matrigel layer. By varying the geometrical confinement (track width) and microenvironment factors (Matrigel concentration), we have reproduced a diversity of collective migration patterns in the chips, which were also observed in vivo. We have further classified the collective patterns and quantified the emergence probability of each class of patterns as a function of microtrack width and Matrigel concentration to devise a quantitive "collective pattern diagram." To elucidate the mechanisms behind the emergence of various collective patterns, we employed cellular automaton simulations, incorporating the effects of both direct cell-cell interactions and microenvironment factors (e.g., chemical gradient and extracellular matrix degradation). Our simulations suggest that tumor cell phenotype heterogeneity, and the associated dynamic selection of a favorable phenotype via cell-microenivronment interactions, are key to the emergence of the observed collective patterns in vitro.
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Affiliation(s)
- Ruchuan Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Kena Song
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Zhijian Hu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Wenbin Cao
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Jianwei Shuai
- Department of Physics, Xiamen University, Xiamen 361005, China
| | - Shaohua Chen
- Materials Science and Engineering, Arizona State University, Tempe, Arizona 85287, USA
| | - Hanqing Nan
- Materials Science and Engineering, Arizona State University, Tempe, Arizona 85287, USA
| | - Yu Zheng
- Department of Physics, Arizona State University, Tempe, Arizona 85287, USA
| | - Xuefeng Jiang
- Hygeia International Cancer Hospital, Chongqing 401331, China
| | - Hongfei Zhang
- Hygeia International Cancer Hospital, Chongqing 401331, China
| | - Weijing Han
- Shenzhen Shengyuan Biotechnology Co. Ltd., Shenzhen 518000, China
| | - Yong Liao
- Institute for Viral Hepatitis, Department of Infectious Diseases, Second Affiliated Hospital, Chongqing Medical University, Chongqing 400331, China
| | - Junle Qu
- Key Lab of Optoelectronic Devices and Systems of Ministry of Education/Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Yang Jiao
- Materials Science and Engineering, Arizona State University, Tempe, Arizona 85287, USA.,Department of Physics, Arizona State University, Tempe, Arizona 85287, USA
| | - Liyu Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
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17
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Tellez-Gabriel M, Heymann MF, Heymann D. Circulating Tumor Cells as a Tool for Assessing Tumor Heterogeneity. Am J Cancer Res 2019; 9:4580-4594. [PMID: 31367241 PMCID: PMC6643448 DOI: 10.7150/thno.34337] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 04/23/2019] [Indexed: 12/18/2022] Open
Abstract
Tumor heterogeneity is the major cause of failure in cancer prognosis and prediction. Accurately detecting heterogeneity for the development of biomarkers and the detection of the clones resistant to therapy is one of the main goals of contemporary medicine. Metastases belong to the natural history of cancer. The present review gives an overview on the origin of tumor heterogeneity. Recent progress has made it possible to isolate and characterize circulating tumor cells (CTCs), which are the drivers of the disease between the primary sites and metastatic foci. The most recent methods for characterizing CTCs are summarized and we discuss the power of CTC profiling for analyzing tumor heterogeneity in early and advanced diseases.
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18
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Matsiaka OM, Baker RE, Shah ET, Simpson MJ. Mechanistic and experimental models of cell migration reveal the importance of cell-to-cell pushing in cell invasion. Biomed Phys Eng Express 2019. [DOI: 10.1088/2057-1976/ab1b01] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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19
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Spatarelu CP, Zhang H, Trung Nguyen D, Han X, Liu R, Guo Q, Notbohm J, Fan J, Liu L, Chen Z. Biomechanics of Collective Cell Migration in Cancer Progression: Experimental and Computational Methods. ACS Biomater Sci Eng 2019; 5:3766-3787. [PMID: 32953985 PMCID: PMC7500334 DOI: 10.1021/acsbiomaterials.8b01428] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cell migration is essential for regulating many biological processes in physiological or pathological conditions, including embryonic development and cancer invasion. In vitro and in silico studies suggest that collective cell migration is associated with some biomechanical particularities such as restructuring of extracellular matrix (ECM), stress and force distribution profiles, and reorganization of the cytoskeleton. Therefore, the phenomenon could be understood by an in-depth study of cells' behavior determinants, including but not limited to mechanical cues from the environment and from fellow "travelers". This review article aims to cover the recent development of experimental and computational methods for studying the biomechanics of collective cell migration during cancer progression and invasion. We also summarized the tested hypotheses regarding the mechanism underlying collective cell migration enabled by these methods. Together, the paper enables a broad overview on the methods and tools currently available to unravel the biophysical mechanisms pertinent to cell collective migration as well as providing perspectives on future development toward eventually deciphering the key mechanisms behind the most lethal feature of cancer.
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Affiliation(s)
| | - Hao Zhang
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Dung Trung Nguyen
- Department of Engineering and Computer Science, Seattle Pacific University, Seattle, Washington 98119,
United States
| | - Xinyue Han
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Ruchuan Liu
- College of Physics, Chongqing University, Chongqing 400032, China
| | - Qiaohang Guo
- School of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350014,
China
| | - Jacob Notbohm
- Department of Engineering Physics, University of Wisconsin—Madison, Madison, Wisconsin 53706,
United States
| | - Jing Fan
- Department of Mechanical Engineering, City College of City University of New York, New York 10031, United
States
| | - Liyu Liu
- College of Physics, Chongqing University, Chongqing 400032, China
| | - Zi Chen
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
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20
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Chen S, Xu W, Kim J, Nan H, Zheng Y, Sun B, Jiao Y. Novel inverse finite-element formulation for reconstruction of relative local stiffness in heterogeneous extra-cellular matrix and traction forces on active cells. Phys Biol 2019; 16:036002. [DOI: 10.1088/1478-3975/ab0463] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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21
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Abstract
Cancer cells are usually found to be softer than normal cells, but their stiffness changes when they are in contact with different environments because of mechanosensitivity. For example, they adhere to a given substrate by tuning their cytoskeleton, thus affecting their rheological properties. This mechanism could become efficient when cancer cells invade the surrounding tissues, and they have to remodel their cytoskeleton in order to achieve particular deformations. Here we use an atomic force microscope in force modulation mode to study how local rheological properties of cancer cells are affected by a change of the environment. Cancer cells were plated on functionalized polyacrylamide substrates of different stiffnesses as well as on an endothelium substrate. A new correction of the Hertz model was developed because measurements require one to account for the precise properties of the thin, layered viscoelastic substrates. The main results show the influence of local cell rheology (the nucleus, perinuclear region, and edge locations) and the role of invasiveness. A general mechanosensitive trend is found by which the cell elastic modulus and transition frequency increase with substrate elasticity, but this tendency breaks down with a real endothelium substrate. These effects are investigated further during cell transmigration, when the actin cytoskeleton undergoes a rapid reorganization process necessary to push through the endothelial gap, in agreement with the local viscoelastic changes measured by atomic force microscopy. Taken together, these results introduce a paradigm for a new-to our knowledge-possible extravasation mechanism.
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22
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Slettedal JK, Sandvik L, Ringvold A. Lifespan reduction due to neoplasia is nullified by pseudoexfoliation syndrome. Heliyon 2018; 4:e00832. [PMID: 30302411 PMCID: PMC6174545 DOI: 10.1016/j.heliyon.2018.e00832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 06/23/2018] [Accepted: 09/26/2018] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Pseudoexfoliation syndrome (PES) is a common eye condition, indicating a risk of various eye diseases. Whether or not PES has extra-ocular physiological or even pathophysiological implications has been a matter of controversy for years. METHODS In total 1888 persons were examined for PES in 1985-86. Of these, 1864 (98·7%) had died and were therefore available for analysis by 01.01.2016. Age and cause(s) of death were recorded. 9 diagnostic groups (cardiovascular disease, cerebrovascular disease, neoplasms, systemic hypertension, diabetes mellitus (DM), chronic obstructive pulmonary disease (COPD), Parkinson's disease, aortic aneurysm (AA), and amyloidosis) based on ICD-coding were analyzed for both a possible association between PES and lifespan, as well as PES and specific systemic diseases. FINDINGS In the cardiovascular group, PES was not associated with an alteration in longevity. The subgroups acute myocardial infarction and other cardiovascular diseases revealed significantly reduced and increased lifespan, respectively, compared to the rest of the population. These deviations were independent of PES. The impact of PES on the neoplasm group showed that PES-positive persons lived 1·81 years (p < 0·001) longer than PES-negative persons. No significant differences in the PES prevalence were found in any of the cause of death diagnostic groups. INTERPRETATIONS The present study suggests that lifespan reduction due to neoplasia is nullified by PES, and that this phenomenon is not restricted to one specific neoplasm type. Thus, the paradoxical conclusion emerges that PES provides a lifespan benefit to the patient with a neoplasm. For the remaining diagnostic groups, PES was neither associated with an altered lifespan, nor with any cause of death diagnoses.
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Affiliation(s)
- Jon Klokk Slettedal
- Institute of Clinical Medicine, University of Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital, Norway
| | - Leiv Sandvik
- Oslo Center for Biostatistics and Epidemiology, Oslo University Hospital, Norway
| | - Amund Ringvold
- Institute of Clinical Medicine, University of Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital, Norway
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23
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Caruana I, Simula L, Locatelli F, Campello S. T lymphocytes against solid malignancies: winning ways to defeat tumours. Cell Stress 2018; 2:200-212. [PMID: 31225487 PMCID: PMC6551626 DOI: 10.15698/cst2018.07.148] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
In the last decades, a novel field has emerged in the cure of cancer, by boosting the ability of the patient’s immune system to recognize and kill tumour cells. Although excellent and encouraging results, exploiting the effect of genetically modified T cells, have been obtained, it is now evident that tumour malignancies can evolve several mechanisms to escape such immune responses, thus continuing their growth in the body. These mechanisms are in part due to tumour cell metabolic or genetic alterations, which can render the target invisible to the immune system or can favour the generation of an extracellular milieu preventing immune cell infiltration or cytotoxicity. Such mechanisms may also involve the accumulation inside the tumour microenvironment of different immune-suppressive cell types, which further down-regulate the activity of cytotoxic immune cells either directly by interacting with them or indirectly by releasing suppressive molecules. In this review, we will first focus on describing several mechanisms by which tumour cells may dampen or abrogate the immune response inside the tumour microenvironment and, second, on current strategies that are adopted to cope with and possibly overcome such alterations, thus ameliorating the efficacy of the current-in-use anti-cancer immuno-therapies.
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Affiliation(s)
- Ignazio Caruana
- Dept. of Pediatric Onco-Hematology and cell and gene therapy, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Luca Simula
- Dept. of Pediatric Onco-Hematology and cell and gene therapy, IRCCS Bambino Gesù Children's Hospital, Rome, Italy.,Dept. of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Franco Locatelli
- Dept. of Pediatric Onco-Hematology and cell and gene therapy, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Silvia Campello
- Dept. of Biology, University of Rome Tor Vergata, Rome, Italy.,IRCCS, Santa Lucia Foundation, Rome, Italy
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24
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Song K, Wang Z, Liu R, Chen G, Liu L. Microfabrication-Based Three-Dimensional (3-D) Extracellular Matrix Microenvironments for Cancer and Other Diseases. Int J Mol Sci 2018; 19:E935. [PMID: 29561794 PMCID: PMC5979294 DOI: 10.3390/ijms19040935] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 12/17/2022] Open
Abstract
Exploring the complicated development of tumors and metastases needs a deep understanding of the physical and biological interactions between cancer cells and their surrounding microenvironments. One of the major challenges is the ability to mimic the complex 3-D tissue microenvironment that particularly influences cell proliferation, migration, invasion, and apoptosis in relation to the extracellular matrix (ECM). Traditional cell culture is unable to create 3-D cell scaffolds resembling tissue complexity and functions, and, in the past, many efforts were made to realize the goal of obtaining cell clusters in hydrogels. However, the available methods still lack a precise control of cell external microenvironments. Recently, the rapid development of microfabrication techniques, such as 3-D printing, microfluidics, and photochemistry, has offered great advantages in reconstructing 3-D controllable cancer cell microenvironments in vitro. Consequently, various biofunctionalized hydrogels have become the ideal candidates to help the researchers acquire some new insights into various diseases. Our review will discuss some important studies and the latest progress regarding the above approaches for the production of 3-D ECM structures for cancer and other diseases. Especially, we will focus on new discoveries regarding the impact of the ECM on different aspects of cancer metastasis, e.g., collective invasion, enhanced intravasation by stress and aligned collagen fibers, angiogenesis regulation, as well as on drug screening.
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Affiliation(s)
- Kena Song
- College of Physics, Chongqing University, Chongqing 401331, China.
| | - Zirui Wang
- College of Physics, Chongqing University, Chongqing 401331, China.
| | - Ruchuan Liu
- College of Physics, Chongqing University, Chongqing 401331, China.
| | - Guo Chen
- College of Physics, Chongqing University, Chongqing 401331, China.
| | - Liyu Liu
- College of Physics, Chongqing University, Chongqing 401331, China.
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25
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Sapudom J, Pompe T. Biomimetic tumor microenvironments based on collagen matrices. Biomater Sci 2018; 6:2009-2024. [DOI: 10.1039/c8bm00303c] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review provides an overview of the current approaches to engineer defined 3D matrices for the investigation of tumor cell behaviorin vitro, with a focus on collagen-based fibrillar systems.
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Affiliation(s)
- Jiranuwat Sapudom
- Biophysical Chemistry Group
- Institute of Biochemistry
- Faculty of Life Sciences
- Leipzig University
- Leipzig 04103
| | - Tilo Pompe
- Biophysical Chemistry Group
- Institute of Biochemistry
- Faculty of Life Sciences
- Leipzig University
- Leipzig 04103
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26
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Goggins E, Kakkad S, Mironchik Y, Jacob D, Wildes F, Krishnamachary B, Bhujwalla ZM. Hypoxia Inducible Factors Modify Collagen I Fibers in MDA-MB-231 Triple Negative Breast Cancer Xenografts. Neoplasia 2017; 20:131-139. [PMID: 29247885 PMCID: PMC5884039 DOI: 10.1016/j.neo.2017.11.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/18/2017] [Accepted: 11/20/2017] [Indexed: 12/14/2022] Open
Abstract
Hypoxia inducible factors (HIFs) are transcription factors that mediate the response of cells to hypoxia. HIFs have wide-ranging effects on metabolism, the tumor microenvironment (TME) and the extracellular matrix (ECM). Here we investigated the silencing effects of two of the three known isoforms, HIF-1α and HIF-2α, on collagen 1 (Col1) fibers, which form a major component of the ECM of tumors. Using a loss-of-function approach for HIF-1α or 2α or both HIF-1α and 2α, we identified a relationship between HIFs and Col1 fibers in MDA-MB-231 tumors. Tumors derived from MDA-MB-231 cells with HIF-1α or 2α or both HIF-1α and 2α silenced contained higher percent fiber volume and lower inter-fiber distance compared to tumors derived from empty vector MDA-MB-231 cells. Depending upon the type of silencing, we observed changes in Col1 degrading enzymes, and enzymes involved in Col1 synthesis and deposition. Additionally, a reduction in lysyl oxidase protein expression in HIF-down-regulated tumors suggests that more non-cross-linked fibers were present. Collectively these results identify the role of HIFs in modifying the ECM and the TME and provide new insights into the effects of hypoxia on the tumor ECM.
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Affiliation(s)
- Eibhlin Goggins
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, USA
| | - Samata Kakkad
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yelena Mironchik
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Desmond Jacob
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Flonne Wildes
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Balaji Krishnamachary
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Zaver M Bhujwalla
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA; Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University, School of Medicine, Baltimore, MD, USA.
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27
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Rosso M, Majem B, Devis L, Lapyckyj L, Besso MJ, Llauradó M, Abascal MF, Matos ML, Lanau L, Castellví J, Sánchez JL, Pérez Benavente A, Gil-Moreno A, Reventós J, Santamaria Margalef A, Rigau M, Vazquez-Levin MH. E-cadherin: A determinant molecule associated with ovarian cancer progression, dissemination and aggressiveness. PLoS One 2017. [PMID: 28934230 DOI: 10.1371/journal.pone.0184439] [] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Ovarian cancer (OC) is the fifth cancer death cause in women worldwide. The malignant nature of this disease stems from its unique dissemination pattern. Epithelial-to-mesenchymal transition (EMT) has been reported in OC and downregulation of Epithelial cadherin (E-cadherin) is a hallmark of this process. However, findings on the relationship between E-cadherin levels and OC progression, dissemination and aggressiveness are controversial. In this study, the evaluation of E-cadherin expression in an OC tissue microarray revealed its prognostic value to discriminate between advanced- and early-stage tumors, as well as serous tumors from other histologies. Moreover, E-cadherin, Neural cadherin (N-cadherin), cytokeratins and vimentin expression was assessed in TOV-112, SKOV-3, OAW-42 and OV-90 OC cell lines grown in monolayers and under anchorage-independent conditions to mimic ovarian tumor cell dissemination, and results were associated with cell aggressiveness. According to these EMT-related markers, cell lines were classified as mesenchymal (M; TOV-112), intermediate mesenchymal (IM; SKOV-3), intermediate epithelial (IE; OAW-42) and epithelial (E; OV-90). M- and IM-cells depicted the highest migration capacity when grown in monolayers, and aggregates derived from M- and IM-cell lines showed lower cell death, higher adhesion to extracellular matrices and higher invasion capacity than E- and IE-aggregates. The analysis of E-cadherin, N-cadherin, cytokeratin 19 and vimentin mRNA levels in 20 advanced-stage high-grade serous human OC ascites showed an IM phenotype in all cases, characterized by higher proportions of N- to E-cadherin and vimentin to cytokeratin 19. In particular, higher E-cadherin mRNA levels were associated with cancer antigen 125 levels more than 500 U/mL and platinum-free intervals less than 6 months. Altogether, E-cadherin expression levels were found relevant for the assessment of OC progression and aggressiveness.
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Affiliation(s)
- Marina Rosso
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Blanca Majem
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Laura Devis
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Lara Lapyckyj
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - María José Besso
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Marta Llauradó
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - María Florencia Abascal
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - María Laura Matos
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Lucia Lanau
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Josep Castellví
- Pathology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - José Luis Sánchez
- Gynecology Oncology Department, Vall Hebron University Hospital, Barcelona, Spain
| | | | - Antonio Gil-Moreno
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
- Gynecology Oncology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - Jaume Reventós
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Anna Santamaria Margalef
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Marina Rigau
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Mónica Hebe Vazquez-Levin
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
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28
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Rosso M, Majem B, Devis L, Lapyckyj L, Besso MJ, Llauradó M, Abascal MF, Matos ML, Lanau L, Castellví J, Sánchez JL, Pérez Benavente A, Gil-Moreno A, Reventós J, Santamaria Margalef A, Rigau M, Vazquez-Levin MH. E-cadherin: A determinant molecule associated with ovarian cancer progression, dissemination and aggressiveness. PLoS One 2017. [PMID: 28934230 DOI: 10.1371/journal.pone.0184439]+[] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Ovarian cancer (OC) is the fifth cancer death cause in women worldwide. The malignant nature of this disease stems from its unique dissemination pattern. Epithelial-to-mesenchymal transition (EMT) has been reported in OC and downregulation of Epithelial cadherin (E-cadherin) is a hallmark of this process. However, findings on the relationship between E-cadherin levels and OC progression, dissemination and aggressiveness are controversial. In this study, the evaluation of E-cadherin expression in an OC tissue microarray revealed its prognostic value to discriminate between advanced- and early-stage tumors, as well as serous tumors from other histologies. Moreover, E-cadherin, Neural cadherin (N-cadherin), cytokeratins and vimentin expression was assessed in TOV-112, SKOV-3, OAW-42 and OV-90 OC cell lines grown in monolayers and under anchorage-independent conditions to mimic ovarian tumor cell dissemination, and results were associated with cell aggressiveness. According to these EMT-related markers, cell lines were classified as mesenchymal (M; TOV-112), intermediate mesenchymal (IM; SKOV-3), intermediate epithelial (IE; OAW-42) and epithelial (E; OV-90). M- and IM-cells depicted the highest migration capacity when grown in monolayers, and aggregates derived from M- and IM-cell lines showed lower cell death, higher adhesion to extracellular matrices and higher invasion capacity than E- and IE-aggregates. The analysis of E-cadherin, N-cadherin, cytokeratin 19 and vimentin mRNA levels in 20 advanced-stage high-grade serous human OC ascites showed an IM phenotype in all cases, characterized by higher proportions of N- to E-cadherin and vimentin to cytokeratin 19. In particular, higher E-cadherin mRNA levels were associated with cancer antigen 125 levels more than 500 U/mL and platinum-free intervals less than 6 months. Altogether, E-cadherin expression levels were found relevant for the assessment of OC progression and aggressiveness.
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Affiliation(s)
- Marina Rosso
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Blanca Majem
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Laura Devis
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Lara Lapyckyj
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - María José Besso
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Marta Llauradó
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - María Florencia Abascal
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - María Laura Matos
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Lucia Lanau
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Josep Castellví
- Pathology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - José Luis Sánchez
- Gynecology Oncology Department, Vall Hebron University Hospital, Barcelona, Spain
| | | | - Antonio Gil-Moreno
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
- Gynecology Oncology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - Jaume Reventós
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Anna Santamaria Margalef
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Marina Rigau
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Mónica Hebe Vazquez-Levin
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
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29
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Rosso M, Majem B, Devis L, Lapyckyj L, Besso MJ, Llauradó M, Abascal MF, Matos ML, Lanau L, Castellví J, Sánchez JL, Pérez Benavente A, Gil-Moreno A, Reventós J, Santamaria Margalef A, Rigau M, Vazquez-Levin MH. E-cadherin: A determinant molecule associated with ovarian cancer progression, dissemination and aggressiveness. PLoS One 2017; 12:e0184439. [PMID: 28934230 PMCID: PMC5608212 DOI: 10.1371/journal.pone.0184439] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Accepted: 08/23/2017] [Indexed: 12/21/2022] Open
Abstract
Ovarian cancer (OC) is the fifth cancer death cause in women worldwide. The malignant nature of this disease stems from its unique dissemination pattern. Epithelial-to-mesenchymal transition (EMT) has been reported in OC and downregulation of Epithelial cadherin (E-cadherin) is a hallmark of this process. However, findings on the relationship between E-cadherin levels and OC progression, dissemination and aggressiveness are controversial. In this study, the evaluation of E-cadherin expression in an OC tissue microarray revealed its prognostic value to discriminate between advanced- and early-stage tumors, as well as serous tumors from other histologies. Moreover, E-cadherin, Neural cadherin (N-cadherin), cytokeratins and vimentin expression was assessed in TOV-112, SKOV-3, OAW-42 and OV-90 OC cell lines grown in monolayers and under anchorage-independent conditions to mimic ovarian tumor cell dissemination, and results were associated with cell aggressiveness. According to these EMT-related markers, cell lines were classified as mesenchymal (M; TOV-112), intermediate mesenchymal (IM; SKOV-3), intermediate epithelial (IE; OAW-42) and epithelial (E; OV-90). M- and IM-cells depicted the highest migration capacity when grown in monolayers, and aggregates derived from M- and IM-cell lines showed lower cell death, higher adhesion to extracellular matrices and higher invasion capacity than E- and IE-aggregates. The analysis of E-cadherin, N-cadherin, cytokeratin 19 and vimentin mRNA levels in 20 advanced-stage high-grade serous human OC ascites showed an IM phenotype in all cases, characterized by higher proportions of N- to E-cadherin and vimentin to cytokeratin 19. In particular, higher E-cadherin mRNA levels were associated with cancer antigen 125 levels more than 500 U/mL and platinum-free intervals less than 6 months. Altogether, E-cadherin expression levels were found relevant for the assessment of OC progression and aggressiveness.
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Affiliation(s)
- Marina Rosso
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Blanca Majem
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Laura Devis
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Lara Lapyckyj
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - María José Besso
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Marta Llauradó
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - María Florencia Abascal
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - María Laura Matos
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
| | - Lucia Lanau
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Josep Castellví
- Pathology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - José Luis Sánchez
- Gynecology Oncology Department, Vall Hebron University Hospital, Barcelona, Spain
| | | | - Antonio Gil-Moreno
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
- Gynecology Oncology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - Jaume Reventós
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Anna Santamaria Margalef
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Marina Rigau
- Biomedical Research Unit in Gynecology, Vall Hebron Research Institute and University Hospital, Barcelona, Spain
| | - Mónica Hebe Vazquez-Levin
- Laboratorio de Estudios de la Interacción Celular en Reproducción y Cáncer, Instituto de Biología y Medicina Experimental (IBYME; CONICET-FIBYME), Buenos Aires, Argentina
- * E-mail: ,
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30
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Chen D, Aw WY, Devenport D, Torquato S. Structural Characterization and Statistical-Mechanical Model of Epidermal Patterns. Biophys J 2017; 111:2534-2545. [PMID: 27926854 DOI: 10.1016/j.bpj.2016.10.036] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 10/21/2016] [Accepted: 10/27/2016] [Indexed: 01/08/2023] Open
Abstract
In proliferating epithelia of mammalian skin, cells of irregular polygon-like shapes pack into complex, nearly flat two-dimensional structures that are pliable to deformations. In this work, we employ various sensitive correlation functions to quantitatively characterize structural features of evolving packings of epithelial cells across length scales in mouse skin. We find that the pair statistics in direct space (correlation function) and Fourier space (structure factor) of the cell centroids in the early stages of embryonic development show structural directional dependence (statistical anisotropy), which is a reflection of the fact that cells are stretched, which promotes uniaxial growth along the epithelial plane. In the late stages, the patterns tend toward statistically isotropic states, as cells attain global polarization and epidermal growth shifts to produce the skin's outer stratified layers. We construct a minimalist four-component statistical-mechanical model involving effective isotropic pair interactions consisting of hard-core repulsion and extra short-range soft-core repulsion beyond the hard core, whose length scale is roughly the same as the hard core. The model parameters are optimized to match the sample pair statistics in both direct and Fourier spaces. By doing this, the parameters are biologically constrained. In contrast with many vertex-based models, our statistical-mechanical model does not explicitly incorporate information about the cell shapes and interfacial energy between cells; nonetheless, our model predicts essentially the same polygonal shape distribution and size disparity of cells found in experiments, as measured by Voronoi statistics. Moreover, our simulated equilibrium liquid-like configurations are able to match other nontrivial unconstrained statistics, which is a testament to the power and novelty of the model. The array of structural descriptors that we deploy enable us to distinguish between normal, mechanically deformed, and pathological skin tissues. Our statistical-mechanical model enables one to generate tissue microstructure at will for further analysis. We also discuss ways in which our model might be extended to better understand morphogenesis (in particular the emergence of planar cell polarity), wound healing, and disease-progression processes in skin, and how it could be applied to the design of synthetic tissues.
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Affiliation(s)
- Duyu Chen
- Department of Chemistry, Princeton University, Princeton, New Jersey
| | - Wen Yih Aw
- Department of Molecular Biology, Princeton University, Princeton, New Jersey
| | - Danelle Devenport
- Department of Molecular Biology, Princeton University, Princeton, New Jersey
| | - Salvatore Torquato
- Department of Chemistry, Princeton University, Princeton, New Jersey; Department of Physics, Princeton University, Princeton, New Jersey; Princeton Institute for the Science and Technology of Materials, Princeton University, Princeton, New Jersey; Program in Applied and Computational Mathematics, Princeton University, Princeton, New Jersey.
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31
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Hakim V, Silberzan P. Collective cell migration: a physics perspective. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2017; 80:076601. [PMID: 28282028 DOI: 10.1088/1361-6633/aa65ef] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Cells have traditionally been viewed either as independently moving entities or as somewhat static parts of tissues. However, it is now clear that in many cases, multiple cells coordinate their motions and move as collective entities. Well-studied examples comprise development events, as well as physiological and pathological situations. Different ex vivo model systems have also been investigated. Several recent advances have taken place at the interface between biology and physics, and have benefitted from progress in imaging and microscopy, from the use of microfabrication techniques, as well as from the introduction of quantitative tools and models. We review these interesting developments in quantitative cell biology that also provide rich examples of collective out-of-equilibrium motion.
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Affiliation(s)
- Vincent Hakim
- Laboratoire de Physique Statistique, Ecole Normale Supérieure, CNRS, PSL Research University, UPMC, Paris, France
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32
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Advanced biomaterials and microengineering technologies to recapitulate the stepwise process of cancer metastasis. Biomaterials 2017; 133:176-207. [DOI: 10.1016/j.biomaterials.2017.04.017] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 04/04/2017] [Accepted: 04/12/2017] [Indexed: 02/08/2023]
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Wang M, Zhao J, Zhang L, Wei F, Lian Y, Wu Y, Gong Z, Zhang S, Zhou J, Cao K, Li X, Xiong W, Li G, Zeng Z, Guo C. Role of tumor microenvironment in tumorigenesis. J Cancer 2017; 8:761-773. [PMID: 28382138 PMCID: PMC5381164 DOI: 10.7150/jca.17648] [Citation(s) in RCA: 870] [Impact Index Per Article: 124.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 12/22/2016] [Indexed: 12/12/2022] Open
Abstract
Tumorigenesis is a complex and dynamic process, consisting of three stages: initiation, progression, and metastasis. Tumors are encircled by extracellular matrix (ECM) and stromal cells, and the physiological state of the tumor microenvironment (TME) is closely connected to every step of tumorigenesis. Evidence suggests that the vital components of the TME are fibroblasts and myofibroblasts, neuroendocrine cells, adipose cells, immune and inflammatory cells, the blood and lymphatic vascular networks, and ECM. This manuscript, based on the current studies of the TME, offers a more comprehensive overview of the primary functions of each component of the TME in cancer initiation, progression, and invasion. The manuscript also includes primary therapeutic targeting markers for each player, which may be helpful in treating tumors.
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Affiliation(s)
- Maonan Wang
- Key Laboratory of Carcinogenesis of Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Jingzhou Zhao
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Lishen Zhang
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Fang Wei
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Yu Lian
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Yingfeng Wu
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Zhaojian Gong
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Shanshan Zhang
- Key Laboratory of Carcinogenesis of Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
| | - Jianda Zhou
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Ke Cao
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Xiayu Li
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Wei Xiong
- Key Laboratory of Carcinogenesis of Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Guiyuan Li
- Key Laboratory of Carcinogenesis of Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Zhaoyang Zeng
- Key Laboratory of Carcinogenesis of Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Can Guo
- Key Laboratory of Carcinogenesis of Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
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34
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Wu JS, Sheng SR, Liang XH, Tang YL. The role of tumor microenvironment in collective tumor cell invasion. Future Oncol 2017; 13:991-1002. [PMID: 28075171 DOI: 10.2217/fon-2016-0501] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
For many cancer types, cancer cells invade into surrounding tissues by collective movement of cell groups that remain connected via cell-cell junctions. This migration is completely distinguished from single-cell migration, in which cancer cells disrupt the tight intercellular junctions and gain a mesenchymal phenotype. Recently, emerging evidence has revealed that collective cell invasion depends on not only cell-intrinsic mechanisms but also on extracellular mechanisms by bidirectional interplay between the tumor cell and the tumor environment. Herein, in this review we discuss the role and underline mechanisms of tumor microenvironment in collective tumor cell invasion, particularly focusing on extracellular matrix remodeling and cross-talk between tumor and stromal cells.
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Affiliation(s)
- Jia-Shun Wu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral Pathology, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
| | - Su-Rui Sheng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral & Maxillofacial Surgery, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
| | - Xin-Hua Liang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral & Maxillofacial Surgery, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
| | - Ya-Ling Tang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China.,Department of Oral Pathology, West China Hospital of Stomatology (Sichuan University), No. 14, Sec. 3, Renminnan Road, Chengdu Sichuan 610041, PR China
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Sapudom J, Rubner S, Martin S, Pompe T. Mimicking Tissue Boundaries by Sharp Multiparameter Matrix Interfaces. Adv Healthc Mater 2016; 5:1861-7. [PMID: 27125887 DOI: 10.1002/adhm.201600295] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Indexed: 12/30/2022]
Abstract
Engineering interfaces of distinct extracellular compartments mimicking native tissues are key for in-depth in vitro studies on developmental and disease processes in biology and medicine. Sharp interfaces of extracellular matrices are constructed based on fibrillar collagen I networks with a multiparameter control of topology, mechanics, and composition, and their distinct impact on triggering the directionality of cancer cell migration is demonstrated.
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Affiliation(s)
- Jiranuwat Sapudom
- Institute of Biochemistry; Universität Leipzig; 04103 Leipzig Germany
| | - Stefan Rubner
- Institute of Biochemistry; Universität Leipzig; 04103 Leipzig Germany
| | - Steve Martin
- Institute of Biochemistry; Universität Leipzig; 04103 Leipzig Germany
| | - Tilo Pompe
- Institute of Biochemistry; Universität Leipzig; 04103 Leipzig Germany
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Pradhan S, Hassani I, Clary JM, Lipke EA. Polymeric Biomaterials for In Vitro Cancer Tissue Engineering and Drug Testing Applications. TISSUE ENGINEERING PART B-REVIEWS 2016; 22:470-484. [PMID: 27302080 DOI: 10.1089/ten.teb.2015.0567] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Biomimetic polymers and materials have been widely used in tissue engineering for regeneration and replication of diverse types of both normal and diseased tissues. Cancer, being a prevalent disease throughout the world, has initiated substantial interest in the creation of tissue-engineered models for anticancer drug testing. The development of these in vitro three-dimensional (3D) culture models using novel biomaterials has facilitated the investigation of tumorigenic and associated biological phenomena with a higher degree of complexity and physiological context than that provided by established two-dimensional culture models. In this review, an overview of a wide range of natural, synthetic, and hybrid biomaterials used for 3D cancer cell culture and investigation of cancer cell behavior is presented. The role of these materials in modulating cell-matrix interactions and replicating specific tumorigenic characteristics is evaluated. In addition, recent advances in biomaterial design, synthesis, and fabrication are also assessed. Finally, the advantages of incorporating polymeric biomaterials in 3D cancer models for obtaining efficacy data in anticancer drug testing applications are highlighted.
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Affiliation(s)
- Shantanu Pradhan
- Department of Chemical Engineering, Auburn University , Auburn, Alabama
| | - Iman Hassani
- Department of Chemical Engineering, Auburn University , Auburn, Alabama
| | - Jacob M Clary
- Department of Chemical Engineering, Auburn University , Auburn, Alabama
| | - Elizabeth A Lipke
- Department of Chemical Engineering, Auburn University , Auburn, Alabama
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Hanada Y, Ogawa T, Koike K, Sugioka K. Making the invisible visible: a microfluidic chip using a low refractive index polymer. LAB ON A CHIP 2016; 16:2481-2486. [PMID: 27265196 DOI: 10.1039/c6lc00481d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Microfluidic frameworks known as micro-total-analysis-systems or lab-on-a-chip have become versatile tools in cell biology research, since functional biochips are able to streamline dynamic observations of various cells. Glass or polymers are generally used as the substrate due to their high transparency, chemical stability and cost-effectiveness. However, these materials are not well suited for the microscopic observation of cell migration at the fluid boundary due to the refractive index mismatch between the medium and the biochip material. For this reason, we have developed a new method of fabricating three-dimensional (3D) microfluidic chips made of the low refractive index fluoric polymer CYTOP. This novel fabrication procedure involves the use of a femtosecond laser for direct writing, followed by wet etching with a dilute fluorinated solvent and annealing, to create high-quality 3D microfluidic chips inside a polymer substrate. A microfluidic chip made in this manner enabled us to more clearly observe the flagellum motion of a Dinoflagellate moving in circles near the fluid surface compared to the observations possible using conventional microfluidic chips. We believe that CYTOP microfluidic chips made using this new method may allow more detailed analysis of various cell migrations near solid boundaries.
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Affiliation(s)
- Yasutaka Hanada
- Graduate School of Science and Technology, Hirosaki University, Aomori, 0368561, Japan.
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Dong C, Hu X, Dinu CZ. Current status and perspectives in atomic force microscopy-based identification of cellular transformation. Int J Nanomedicine 2016; 11:2107-18. [PMID: 27274238 PMCID: PMC4876801 DOI: 10.2147/ijn.s103501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Understanding the complex interplay between cells and their biomechanics and how the interplay is influenced by the extracellular microenvironment, as well as how the transforming potential of a tissue from a benign to a cancerous one is related to the dynamics of both the cell and its surroundings, holds promise for the development of targeted translational therapies. This review provides a comprehensive overview of atomic force microscopy-based technology and its applications for identification of cellular progression to a cancerous phenotype. The review also offers insights into the advancements that are required for the next user-controlled tool to allow for the identification of early cell transformation and thus potentially lead to improved therapeutic outcomes.
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Affiliation(s)
- Chenbo Dong
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, USA
| | - Xiao Hu
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, USA
| | - Cerasela Zoica Dinu
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, USA
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