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Prasanna CVS, Jolly MK, Bhat R. Spatial heterogeneity in tumor adhesion qualifies collective cell invasion. Biophys J 2024; 123:1635-1647. [PMID: 38725244 PMCID: PMC11214055 DOI: 10.1016/j.bpj.2024.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 02/12/2024] [Accepted: 05/03/2024] [Indexed: 05/30/2024] Open
Abstract
Collective cell invasion (CCI), a canon of most invasive solid tumors, is an emergent property of the interactions between cancer cells and their surrounding extracellular matrix (ECM). However, tumor populations invariably consist of cells expressing variable levels of adhesive proteins that mediate such interactions, disallowing an intuitive understanding of how tumor invasiveness at a multicellular scale is influenced by spatial heterogeneity of cell-cell and cell-ECM adhesion. Here, we have used a Cellular Potts model-based multiscale computational framework that is constructed on the histopathological principles of glandular cancers. In earlier efforts on homogenous cancer cell populations, this framework revealed the relative ranges of interactions, including cell-cell and cell-ECM adhesion that drove collective, dispersed, and mixed multimodal invasion. Here, we constitute a tumor core of two separate cell subsets showing distinct intra- and inter-subset cell-cell or cell-ECM adhesion strengths. These two subsets of cells are arranged to varying extents of spatial intermingling, which we call the heterogeneity index (HI). We observe that low and high inter-subset cell adhesion favors invasion of high-HI and low-HI intermingled populations with distinct intra-subset cell-cell adhesion strengths, respectively. In addition, for explored values of cell-ECM adhesion strengths, populations with high HI values collectively invade better than those with lower HI values. We then asked how spatial invasion is regulated by progressively intermingled cellular subsets that are epithelial, i.e., showed high cell-cell but poor cell-ECM adhesion, and mesenchymal, i.e., with reversed adhesion strengths to the former. Here too, inter-subset adhesion plays an important role in contextualizing the proportionate relationship between HI and invasion. An exception to this relationship is seen for cases of heterogeneous cell-ECM adhesion where sub-maximal HI patterns with higher outer localization of cells with stronger ECM adhesion collectively invade better than their relatively higher-HI counterparts. Our simulations also reveal how adhesion heterogeneity qualifies collective invasion, when either cell-cell or cell-ECM adhesion type is varied but results in an invasive dispersion when both adhesion types are simultaneously altered.
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Affiliation(s)
| | - Mohit Kumar Jolly
- Department of Bioengineering, Indian Institute of Science, Bangalore, India.
| | - Ramray Bhat
- Department of Bioengineering, Indian Institute of Science, Bangalore, India; Department of Developmental Biology and Genetics, Indian Institute of Science, Bangalore, India.
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2
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Dehghani H, Holzapfel GA, Mittelbronn M, Zilian A. Cell adhesion affects the properties of interstitial fluid flow: A study using multiscale poroelastic composite modeling. J Mech Behav Biomed Mater 2024; 153:106486. [PMID: 38428205 DOI: 10.1016/j.jmbbm.2024.106486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
In this study, we conduct a multiscale, multiphysics modeling of the brain gray matter as a poroelastic composite. We develop a customized representative volume element based on cytoarchitectural features that encompass important microscopic components of the tissue, namely the extracellular space, the capillaries, the pericapillary space, the interstitial fluid, cell-cell and cell-capillary junctions, and neuronal and glial cell bodies. Using asymptotic homogenization and direct numerical simulation, the effective properties at the tissue level are identified based on microscopic properties. To analyze the influence of various microscopic elements on the effective/macroscopic properties and tissue response, we perform sensitivity analyses on cell junction (cluster) stiffness, cell junction diameter (dimensions), and pericapillary space width. The results of this study suggest that changes in cell adhesion can greatly affect both mechanical and hydraulic (interstitial fluid flow and porosity) features of brain tissue, consistent with the effects of neurodegenerative diseases.
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Affiliation(s)
- Hamidreza Dehghani
- Institute of Computational Engineering and Sciences, Department of Engineering, Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg.
| | - Gerhard A Holzapfel
- Institute of Biomechanics, Graz University of Technology, 8010 Graz, Austria; Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Michel Mittelbronn
- National Center of Pathology (NCP), Laboratoire National de Santé (LNS), Dudelange, Luxembourg; Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Belval, Luxembourg; Luxembourg Center of Neuropathology (LCNP), Dudelange, Luxembourg; Department of Oncology (DONC), Luxembourg Institute of Health (LIH), Luxembourg; Department of Life Sciences and Medicine (DLSM), University of Luxembourg, Esch-sur-Alzette, Luxembourg; Faculty of Science, Technology and Medicine (FSTM), University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Andreas Zilian
- Institute of Computational Engineering and Sciences, Department of Engineering, Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
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3
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Denisin AK, Kim H, Riedel-Kruse IH, Pruitt BL. Field Guide to Traction Force Microscopy. Cell Mol Bioeng 2024; 17:87-106. [PMID: 38737454 PMCID: PMC11082129 DOI: 10.1007/s12195-024-00801-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 03/26/2024] [Indexed: 05/14/2024] Open
Abstract
Introduction Traction force microscopy (TFM) is a widely used technique to measure cell contractility on compliant substrates that mimic the stiffness of human tissues. For every step in a TFM workflow, users make choices which impact the quantitative results, yet many times the rationales and consequences for making these decisions are unclear. We have found few papers which show the complete experimental and mathematical steps of TFM, thus obfuscating the full effects of these decisions on the final output. Methods Therefore, we present this "Field Guide" with the goal to explain the mathematical basis of common TFM methods to practitioners in an accessible way. We specifically focus on how errors propagate in TFM workflows given specific experimental design and analytical choices. Results We cover important assumptions and considerations in TFM substrate manufacturing, substrate mechanical properties, imaging techniques, image processing methods, approaches and parameters used in calculating traction stress, and data-reporting strategies. Conclusions By presenting a conceptual review and analysis of TFM-focused research articles published over the last two decades, we provide researchers in the field with a better understanding of their options to make more informed choices when creating TFM workflows depending on the type of cell being studied. With this review, we aim to empower experimentalists to quantify cell contractility with confidence. Supplementary Information The online version contains supplementary material available at 10.1007/s12195-024-00801-6.
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Affiliation(s)
| | - Honesty Kim
- Department of Bioengineering, Stanford University, Stanford, CA 94305 USA
- Present Address: The Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158 USA
- Department of Molecular and Cellular Biology, and (by courtesy) Departments of Biomedical Engineering, Applied Mathematics, and Physics, University of Arizona, Tucson, AZ 85721 USA
| | - Ingmar H. Riedel-Kruse
- Department of Molecular and Cellular Biology, and (by courtesy) Departments of Biomedical Engineering, Applied Mathematics, and Physics, University of Arizona, Tucson, AZ 85721 USA
| | - Beth L. Pruitt
- Departments of Bioengineering and Mechanical Engineering, University of California Santa Barbara, Santa Barbara, CA 93106 USA
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4
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Luo L, Zhang W, You S, Cui X, Tu H, Yi Q, Wu J, Liu O. The role of epithelial cells in fibrosis: Mechanisms and treatment. Pharmacol Res 2024; 202:107144. [PMID: 38484858 DOI: 10.1016/j.phrs.2024.107144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/19/2024] [Accepted: 03/12/2024] [Indexed: 03/19/2024]
Abstract
Fibrosis is a pathological process that affects multiple organs and is considered one of the major causes of morbidity and mortality in multiple diseases, resulting in an enormous disease burden. Current studies have focused on fibroblasts and myofibroblasts, which directly lead to imbalance in generation and degradation of extracellular matrix (ECM). In recent years, an increasing number of studies have focused on the role of epithelial cells in fibrosis. In some cases, epithelial cells are first exposed to external physicochemical stimuli that may directly drive collagen accumulation in the mesenchyme. In other cases, the source of stimulation is mainly immune cells and some cytokines, and epithelial cells are similarly altered in the process. In this review, we will focus on the multiple dynamic alterations involved in epithelial cells after injury and during fibrogenesis, discuss the association among them, and summarize some therapies targeting changed epithelial cells. Especially, epithelial mesenchymal transition (EMT) is the key central step, which is closely linked to other biological behaviors. Meanwhile, we think studies on disruption of epithelial barrier, epithelial cell death and altered basal stem cell populations and stemness in fibrosis are not appreciated. We believe that therapies targeted epithelial cells can prevent the progress of fibrosis, but not reverse it. The epithelial cell targeting therapies will provide a wonderful preventive and delaying action.
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Affiliation(s)
- Liuyi Luo
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China
| | - Wei Zhang
- Department of Oral Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Siyao You
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China
| | - Xinyan Cui
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China
| | - Hua Tu
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China
| | - Qiao Yi
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China
| | - Jianjun Wu
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China.
| | - Ousheng Liu
- Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha, Hunan, China; Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha, Hunan, China.
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5
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Suh K, Cho YK, Breinyn IB, Cohen DJ. E-cadherin biomaterials reprogram collective cell migration and cell cycling by forcing homeostatic conditions. Cell Rep 2024; 43:113743. [PMID: 38358889 DOI: 10.1016/j.celrep.2024.113743] [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: 08/22/2023] [Revised: 01/02/2024] [Accepted: 01/18/2024] [Indexed: 02/17/2024] Open
Abstract
Cells attach to the world through either cell-extracellular matrix adhesion or cell-cell adhesion, and traditional biomaterials imitate the matrix for integrin-based adhesion. However, materials incorporating cadherin proteins that mimic cell-cell adhesion offer an alternative to program cell behavior and integrate into living tissues. We investigated how cadherin substrates affect collective cell migration and cell cycling in epithelia. Our approach involved biomaterials with matrix proteins on one-half and E-cadherin proteins on the other, forming a "Janus" interface across which we grew a single sheet of cells. Tissue regions over the matrix side exhibited normal collective dynamics, but an abrupt behavior shift occurred across the Janus boundary onto the E-cadherin side, where cells attached to the substrate via E-cadherin adhesions, resulting in stalled migration and slowing of the cell cycle. E-cadherin surfaces disrupted long-range mechanical coordination and nearly doubled the length of the G0/G1 phase of the cell cycle, linked to the lack of integrin focal adhesions on the E-cadherin surface.
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Affiliation(s)
- Kevin Suh
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA
| | - Youn Kyoung Cho
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA
| | - Isaac B Breinyn
- Department of Quantitative and Computational Biology, Princeton University, Princeton, NJ 08544, USA
| | - Daniel J Cohen
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544, USA.
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6
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Cohen DJ. Building Biomaterials to Mimic 3D Cell-Cell Junctions. Methods Mol Biol 2024; 2805:101-112. [PMID: 39008176 DOI: 10.1007/978-1-0716-3854-5_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Cell-cell interactions typically occur in a 3D context that is distinct from conventional 2D cell-substrate interactions in a Petri dish. Here, we describe a benchtop method to combine a 2D extracellular matrix surface with a 3D, vertical boundary functionalized with the extracellular domain of E-cadherin. The methodology is suitable for any biology laboratory without requiring advanced microfabrication equipment or training. Overall, this cell-mimetic interface uniquely recapitulates key aspects of cell-cell adhesion and can serve as a versatile, reductionist technique to study general cell-cell interactions in a 3D context.
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Affiliation(s)
- Daniel J Cohen
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ, USA.
- Omenn-Darling Bioengineering Institute, Princeton University, Princeton, NJ, USA.
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7
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Cammarata LV, Uhler C, Shivashankar GV. Adhesome Receptor Clustering is Accompanied by the Colocalization of the Associated Genes in the Cell Nucleus. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.07.570697. [PMID: 38106037 PMCID: PMC10723460 DOI: 10.1101/2023.12.07.570697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Proteins on the cell membrane cluster to respond to extracellular signals; for example, adhesion proteins cluster to enhance extracellular matrix sensing; or T-cell receptors cluster to enhance antigen sensing. Importantly, the maturation of such receptor clusters requires transcriptional control to adapt and reinforce the extracellular signal sensing. However, it has been unclear how such efficient clustering mechanisms are encoded at the level of the genes that code for these receptor proteins. Using the adhesome as an example, we show that genes that code for adhesome receptor proteins are spatially co-localized and co-regulated within the cell nucleus. Towards this, we use Hi-C maps combined with RNA-seq data of adherent cells to map the correspondence between adhesome receptor proteins and their associated genes. Interestingly, we find that the transcription factors that regulate these genes are also co-localized with the adhesome gene loci, thereby potentially facilitating a transcriptional reinforcement of the extracellular matrix sensing machinery. Collectively, our results highlight an important layer of transcriptional control of cellular signal sensing.
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Affiliation(s)
- Louis V. Cammarata
- Department of Statistics, Harvard University, Cambridge, MA 02138, USA
- Eric and Wendy Schmidt Center, Broad Institute of MIT and Harvard, Cambridge, MA 02139, USA
| | - Caroline Uhler
- Eric and Wendy Schmidt Center, Broad Institute of MIT and Harvard, Cambridge, MA 02139, USA
- Laboratory for Information and Decision Systems, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Data, Systems, and Society, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - G. V. Shivashankar
- Department of Health Science and Technology, ETH Zurich; Zurich, Switzerland
- Paul Scherrer Institute; Villigen, Switzerland
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8
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Mezher M, Dumbali S, Fenn I, Lamb C, Miller C, Sharmin S, Cabe JI, Bejar-Padilla V, Conway D, Maruthamuthu V. Vinculin is essential for sustaining normal levels of endogenous forces at cell-cell contacts. Biophys J 2023; 122:4518-4527. [PMID: 38350000 PMCID: PMC10719050 DOI: 10.1016/j.bpj.2023.10.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/11/2023] [Accepted: 10/25/2023] [Indexed: 02/15/2024] Open
Abstract
Transmission of cell-generated (i.e., endogenous) tension at cell-cell contacts is crucial for tissue shape changes during morphogenesis and adult tissue repair in tissues such as epithelia. E-cadherin-based adhesions at cell-cell contacts are the primary means by which endogenous tension is transmitted between cells. The E-cadherin-β-catenin-α-catenin complex mechanically couples to the actin cytoskeleton (and thereby the cell's contractile machinery) both directly and indirectly. However, the key adhesion constituents required for substantial endogenous force transmission at these adhesions in cell-cell contacts are unclear. Due to the role of α-catenin as a mechanotransducer that recruits vinculin at cell-cell contacts, we expected α-catenin to be essential for sustaining normal levels of force transmission. Instead, using the traction force imbalance method to determine the inter-cellular force at a single cell-cell contact between cell pairs, we found that it is vinculin that is essential for sustaining normal levels of endogenous force transmission, with absence of vinculin decreasing the inter-cellular tension by over 50%. Our results constrain the potential mechanical pathways of force transmission at cell-cell contacts and suggest that vinculin can transmit forces at E-cadherin adhesions independent of α-catenin, possibly through β-catenin. Furthermore, we tested the ability of lateral cell-cell contacts to withstand external stretch and found that both vinculin and α-catenin are essential to maintain cell-cell contact stability under external forces.
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Affiliation(s)
- Mazen Mezher
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia
| | - Sandeep Dumbali
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia
| | - Ian Fenn
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia
| | - Carter Lamb
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia
| | - Conrad Miller
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia
| | - Saika Sharmin
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia
| | - Jolene I Cabe
- Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia
| | - Vidal Bejar-Padilla
- Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia
| | - Daniel Conway
- Biomedical Engineering, The Ohio State University, Columbus, Ohio
| | - Venkat Maruthamuthu
- Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia.
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9
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Cheng L, Yue H, Zhang H, Liu Q, Du L, Liu X, Xie J, Shen Y. The influence of microenvironment stiffness on endothelial cell fate: Implication for occurrence and progression of atherosclerosis. Life Sci 2023; 334:122233. [PMID: 37918628 DOI: 10.1016/j.lfs.2023.122233] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/04/2023]
Abstract
Atherosclerosis, the primary cause of cardiovascular diseases (CVDs), is characterized by phenotypic changes in fibrous proliferation, chronic inflammation and lipid accumulation mediated by vascular endothelial cells (ECs) and vascular smooth muscle cells (SMCs) which are correlated with the stiffening and ectopic remodeling of local extracellular matrix (ECM). The native residents, ECs and SMCs, are not only affected by various chemical factors including inflammatory mediators and chemokines, but also by a range of physical stimuli, such as shear stress and ECM stiffness, presented in the microenvironmental niche. Especially, ECs, as a semi-selective barrier, can sense mechanical forces, respond quickly to changes in mechanical loading and provide context-specific adaptive responses to restore homeostasis. However, blood arteries undergo stiffening and lose their elasticity with age. Reports have shown that the ECM stiffening could influence EC fate by changing the cell adhesion, spreading, proliferation, cell to cell contact, migration and even communication with SMCs. The cell behaviour changes mediated by ECM stiffening are dependent on the activation of a signaling cascade of mechanoperception and mechanotransduction. Although the substantial evidence directly indicates the importance of ECM stiffening on the native ECs, the understanding about this complex interplay is still largely limited. In this review, we systematically summarize the roles of ECM stiffening on the behaviours of endothelial cells and elucidate the underlying details in biological mechanism, aiming to provide the process of how ECs integrate ECM mechanics and the highlights for bioaffinity of tissue-specific engineered scaffolds.
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Affiliation(s)
- Lin Cheng
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Hongyan Yue
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Huaiyi Zhang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Qiao Liu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Lingyu Du
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Xiaoheng Liu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Yang Shen
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China; JinFeng Laboratory, Chongqing 401329, China.
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10
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Czukiewska SM, Fan X, Mulder AA, Van Der Helm T, Hillenius S, Van Der Meeren L, Matorras R, Eguizabal C, Lei L, Koning RI, Chuva De Sousa Lopes SM. Cell-cell interactions during the formation of primordial follicles in humans. Life Sci Alliance 2023; 6:e202301926. [PMID: 37643865 PMCID: PMC10465921 DOI: 10.26508/lsa.202301926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023] Open
Abstract
Gametogenesis is a complex and sex-specific multistep process during which the gonadal somatic niche plays an essential regulatory role. One of the most crucial steps during human female gametogenesis is the formation of primordial follicles, the functional unit of the ovary that constitutes the pool of follicles available at birth during the entire reproductive life. However, the relation between human fetal germ cells (hFGCs) and gonadal somatic cells during the formation of the primordial follicles remains largely unexplored. We have discovered that hFGCs can form multinucleated syncytia, some connected via interconnecting intercellular bridges, and that not all nuclei in hFGC-syncytia were synchronous regarding meiotic stage. As hFGCs progressed in development, pre-granulosa cells formed protrusions that seemed to progressively constrict individual hFGCs, perhaps contributing to separate them from the multinucleated syncytia. Our findings highlighted the cell-cell interaction and molecular dynamics between hFGCs and (pre)granulosa cells during the formation of primordial follicles in humans. Knowledge on how the pool of primordial follicle is formed is important to understand human infertility.
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Affiliation(s)
- Sylwia M Czukiewska
- https://ror.org/05xvt9f17 Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
| | - Xueying Fan
- https://ror.org/05xvt9f17 Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
| | - Adriaan A Mulder
- https://ror.org/05xvt9f17 Electron Microscopy Facility, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Talia Van Der Helm
- https://ror.org/05xvt9f17 Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
| | - Sanne Hillenius
- https://ror.org/05xvt9f17 Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
| | - Lotte Van Der Meeren
- https://ror.org/05xvt9f17 Department of Pathology, Leiden University Medical Center, Leiden, Netherlands
- Department of Pathology, Erasmus Medical Center, Rotterdam, Netherlands
| | - Roberto Matorras
- IVIRMA, IVI Bilbao, Bilbao, Spain
- Human Reproduction Unit, Cruces University Hospital, Bilbao, Spain
- Department of Obstetrics and Gynecology, Basque Country University, Bilbao, Spain
- Biocruces Bizkaia Health Research Institute, Bilbao, Spain
| | - Cristina Eguizabal
- Cell Therapy, Stem Cells and Tissues Group, Basque Centre for Blood Transfusion and Human Tissues, Galdakao, Spain
- Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - Lei Lei
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri School of Medicine, Columbia, MO, USA
| | - Roman I Koning
- https://ror.org/05xvt9f17 Electron Microscopy Facility, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Susana M Chuva De Sousa Lopes
- https://ror.org/05xvt9f17 Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
- https://ror.org/00xmkp704 Department for Reproductive Medicine, Ghent University Hospital, Ghent, Belgium
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11
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Nagendra K, Izzet A, Judd NB, Zakine R, Friedman L, Harrison OJ, Pontani LL, Shapiro L, Honig B, Brujic J. Push-pull mechanics of E-cadherin ectodomains in biomimetic adhesions. Biophys J 2023; 122:3506-3515. [PMID: 37528581 PMCID: PMC10502478 DOI: 10.1016/j.bpj.2023.07.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 06/12/2023] [Accepted: 07/27/2023] [Indexed: 08/03/2023] Open
Abstract
E-cadherin plays a central role in cell-cell adhesion. The ectodomains of wild-type cadherins form a crystalline-like two-dimensional lattice in cell-cell interfaces mediated by both trans (apposed cell) and cis (same cell) interactions. In addition to these extracellular forces, adhesive strength is further regulated by cytosolic phenomena involving α and β catenin-mediated interactions between cadherin and the actin cytoskeleton. Cell-cell adhesion can be further strengthened under tension through mechanisms that have not been definitively characterized in molecular detail. Here we quantitatively determine the role of the cadherin ectodomain in mechanosensing. To this end, we devise an E-cadherin-coated emulsion system, in which droplet surface tension is balanced by protein binding strength to give rise to stable areas of adhesion. To reach the honeycomb/cohesive limit, an initial emulsion compression by centrifugation facilitates E-cadherin trans binding, whereas a high protein surface concentration enables the cis-enhanced stabilization of the interface. We observe an abrupt concentration dependence on recruitment into adhesions of constant crystalline density, reminiscent of a first-order phase transition. Removing the lateral cis interaction with a "cis mutant" shifts this transition to higher surface densities leading to denser, yet weaker adhesions. In both proteins, the stabilization of progressively larger areas of deformation is consistent with single-molecule experiments that show a force-dependent lifetime enhancement in the cadherin ectodomain, which may be attributed to the "X-dimer" bond.
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Affiliation(s)
- Kartikeya Nagendra
- Center for Soft Matter Research, Department of Physics, New York University, New York, New York; Molecular Biophysics and Biochemistry Training Program, NYU Grossman School of Medicine, New York, New York
| | - Adrien Izzet
- Center for Soft Matter Research, Department of Physics, New York University, New York, New York
| | - Nicolas B Judd
- Center for Soft Matter Research, Department of Physics, New York University, New York, New York
| | - Ruben Zakine
- Center for Soft Matter Research, Department of Physics, New York University, New York, New York
| | - Leah Friedman
- Center for Soft Matter Research, Department of Physics, New York University, New York, New York; Département de Physique, École Normale Supérieure, PSL University, Paris, France
| | - Oliver J Harrison
- Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York
| | - Léa-Laetitia Pontani
- Laboratoire Jean Perrin, Institut de Biologie Paris-Seine, Sorbonne Université, CNRS, Paris, France
| | - Lawrence Shapiro
- Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York; Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York
| | - Barry Honig
- Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York; Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York; Department of Medicine, Division of Nephrology, Columbia University, New York, New York; Department of Systems Biology, Columbia University, New York, New York
| | - Jasna Brujic
- Center for Soft Matter Research, Department of Physics, New York University, New York, New York; Laboratoire de Physique et Mécanique de Milieux Hétérogènes, UMR 7636, CNRS, ESPCI Paris-PSL, Sorbonne Université, Université Paris Cité, Paris, France.
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12
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Suh K, Cho YK, Breinyn IB, Cohen DJ. E-cadherin biointerfaces reprogram collective cell migration and cell cycling by forcing homeostatic conditions. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.25.550505. [PMID: 37546933 PMCID: PMC10402016 DOI: 10.1101/2023.07.25.550505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Cells attach to the world around them in two ways-cell:extracellular-matrix adhesion and cell:cell adhesion-and conventional biomaterials are made to resemble the matrix to encourage integrin-based cell adhesion. However, interest is growing for cell-mimetic interfaces that mimic cell-cell interactions using cadherin proteins, as this offers a new way to program cell behavior and design synthetic implants and objects that can integrate directly into living tissues. Here, we explore how these cadherin-based materials affect collective cell behaviors, focusing specifically on collective migration and cell cycle regulation in cm-scale epithelia. We built culture substrates where half of the culture area was functionalized with matrix proteins and the contiguous half was functionalized with E-cadherin proteins, and we grew large epithelia across this 'Janus' interface. Parts of the tissues in contact with the matrix side of the Janus interface exhibited normal collective dynamics, but an abrupt shift in behaviors happened immediately across the Janus boundary onto the E-cadherin side, where cells formed hybrid E-cadherin junctions with the substrate, migration effectively froze in place, and cell-cycling significantly decreased. E-cadherin materials suppressed long-range mechanical correlations in the tissue and mechanical information reflected off the substrate interface. These effects could not be explained by conventional density, shape index, or contact inhibition explanations. E-cadherin surfaces nearly doubled the length of the G0/G1 phase of the cell cycle, which we ultimately connected to the exclusion of matrix focal adhesions induced by the E-cadherin culture surface.
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Affiliation(s)
- Kevin Suh
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, USA, 08544
| | - Youn Kyoung Cho
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, USA, 08544
| | - Isaac B Breinyn
- Department of Quantitative and Computational Biology, Princeton University, Princeton, NJ, USA, 08544
| | - Daniel J Cohen
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ, USA, 08544
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13
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Li X, Xu X, Liu L, Tian Y, Gao Y, Zhu G, Lou S, Zhong W, Li D, Pan Y. lncRNA MIR31HG Regulates Proliferation and Migration by Targeting Matrix Gla Protein in Nonsyndromic Cleft Lip With or Without Cleft Palate. DNA Cell Biol 2023. [PMID: 37327028 DOI: 10.1089/dna.2022.0657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023] Open
Abstract
Nonsyndromic cleft lip with or without cleft palate (NSCL/P) is a common craniofacial birth defect with complex etiologies. Recently, the dysregulation of long noncoding RNAs (lncRNAs) has been implicated in many developmental diseases, including NSCL/P. However, the functions and mechanisms of lncRNAs in NSCL/P have not been fully elucidated. In this study, we found that lncRNA MIR31HG in NSCL/P patients was significantly downregulated than that in healthy individuals (GSE42589, GSE183527). In addition, single nucleotide polymorphism rs58751040 in MIR31HG was nominally associated with NSCL/P susceptibility (odds ratio: 1.29, 95% confidence interval: 1.03-1.54, p = 4.93 × 10-2) through a case-control study (504 NSCL/P cases and 455 controls). Luciferase activity assay showed that the C allele of rs58751040 revealed a decreased transcription activity of MIR31HG than the G allele. Moreover, knockdown of MIR31HG promoted cell proliferation and migration in human oral keratinocytes and human embryonic palate mesenchyme. Bioinformatic analysis and cellular studies suggested that MIR31HG may confer susceptibility to risk of NSCL/P through matrix Gla protein (MGP) signaling. In summary, we identified a novel lncRNA involved in the development of NSCL/P.
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Affiliation(s)
- Xiaofeng Li
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
| | - Xinze Xu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
| | - Luwei Liu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Yu Tian
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
| | - Yue Gao
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
| | - Guirong Zhu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
| | - Shu Lou
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Weijie Zhong
- Department of Stomatology, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China
- Department of Stomatology, Medical Center of Soochow University, Suzhou, China
| | - Dandan Li
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Yongchu Pan
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
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14
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Dow LP, Parmar T, Marchetti MC, Pruitt BL. Engineering tools for quantifying and manipulating forces in epithelia. BIOPHYSICS REVIEWS 2023; 4:021303. [PMID: 38510344 PMCID: PMC10903508 DOI: 10.1063/5.0142537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 04/20/2023] [Indexed: 03/22/2024]
Abstract
The integrity of epithelia is maintained within dynamic mechanical environments during tissue development and homeostasis. Understanding how epithelial cells mechanosignal and respond collectively or individually is critical to providing insight into developmental and (patho)physiological processes. Yet, inferring or mimicking mechanical forces and downstream mechanical signaling as they occur in epithelia presents unique challenges. A variety of in vitro approaches have been used to dissect the role of mechanics in regulating epithelia organization. Here, we review approaches and results from research into how epithelial cells communicate through mechanical cues to maintain tissue organization and integrity. We summarize the unique advantages and disadvantages of various reduced-order model systems to guide researchers in choosing appropriate experimental systems. These model systems include 3D, 2D, and 1D micromanipulation methods, single cell studies, and noninvasive force inference and measurement techniques. We also highlight a number of in silico biophysical models that are informed by in vitro and in vivo observations. Together, a combination of theoretical and experimental models will aid future experiment designs and provide predictive insight into mechanically driven behaviors of epithelial dynamics.
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Affiliation(s)
| | - Toshi Parmar
- Department of Physics, University of California Santa Barbara, Santa Barbara, California 93106, USA
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15
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Mechanotransduction in tumor dynamics modeling. Phys Life Rev 2023; 44:279-301. [PMID: 36841159 DOI: 10.1016/j.plrev.2023.01.017] [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: 01/23/2023] [Accepted: 01/30/2023] [Indexed: 02/17/2023]
Abstract
Mechanotherapy is a groundbreaking approach to impact carcinogenesis. Cells sense and respond to mechanical stimuli, translating them into biochemical signals in a process known as mechanotransduction. The impact of stress on tumor growth has been studied in the last three decades, and many papers highlight the role of mechanics as a critical self-inducer of tumor fate at the in vitro and in vivo biological levels. Meanwhile, mathematical models attempt to determine laws to reproduce tumor dynamics. This review discusses biological mechanotransduction mechanisms and mathematical-biomechanical models together. The aim is to provide a common framework for the different approaches that have emerged in the literature from the perspective of tumor avascularity and to provide insight into emerging mechanotherapies that have attracted interest in recent years.
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16
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Zhang T, He M, Zhang J, Tong Y, Chen T, Wang C, Pan W, Xiao Z. Mechanisms of primordial follicle activation and new pregnancy opportunity for premature ovarian failure patients. Front Physiol 2023; 14:1113684. [PMID: 36926197 PMCID: PMC10011087 DOI: 10.3389/fphys.2023.1113684] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
Primordial follicles are the starting point of follicular development and the basic functional unit of female reproduction. Primordial follicles are formed around birth, and most of the primordial follicles then enter a dormant state. Since primordial follicles are limited in number and can't be renewed, dormant primordial follicles cannot be reversed once they enter the growing state. Thus, the orderly occurrence of primordial follicles selective activation directly affects the rate of follicle consumption and thus determines the length of female reproductive lifespan. Studies have found that appropriately inhibiting the activation rate of primordial follicles can effectively slow down the rate of follicle consumption, maintain fertility and delay ovarian aging. Based on the known mechanisms of primordial follicle activation, primordial follicle in vitro activation (IVA) technique has been clinically developed. IVA can help patients with premature ovarian failure, middle-aged infertile women, or infertile women due to gynecological surgery treatment to solve infertility problems. The study of the mechanism of selective activation of primordial follicles can contribute to the development of more efficient and safe IVA techniques. In this paper, recent mechanisms of primordial follicle activation and its clinical application are reviewed.
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Affiliation(s)
- Tuo Zhang
- Department of Obstetrics and Gynecology, The Affiliated Hospital of Guizhou Medical University, Guiyang, China.,Transformation Engineering Research Center of Chronic Disease Diagnosis and Treatment, Department of Physiology, College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China.,Prenatal Diagnosis Center in Guizhou Province, The Affiliated Hospital of Guizhou Medical University, Guiyang, China.,College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China.,Guizhou Provincial Key Laboratory of Pathogenesis and Drug Research on Common Chronic Diseases, Department of Pathophysiology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China.,Guizhou Institute of Precision Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Meina He
- College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China.,Guizhou Institute of Precision Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Jingjing Zhang
- Transformation Engineering Research Center of Chronic Disease Diagnosis and Treatment, Department of Physiology, College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China
| | - Yuntong Tong
- Transformation Engineering Research Center of Chronic Disease Diagnosis and Treatment, Department of Physiology, College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China
| | - Tengxiang Chen
- Transformation Engineering Research Center of Chronic Disease Diagnosis and Treatment, Department of Physiology, College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China.,College of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou, China.,Guizhou Provincial Key Laboratory of Pathogenesis and Drug Research on Common Chronic Diseases, Department of Pathophysiology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China.,Guizhou Institute of Precision Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Chao Wang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Wei Pan
- Prenatal Diagnosis Center in Guizhou Province, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Ziwen Xiao
- Department of Obstetrics and Gynecology, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
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17
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Alkmin S, Patankar MS, Campagnola PJ. Assessing the roles of collagen fiber morphology and matrix stiffness on ovarian cancer cell migration dynamics using multiphoton fabricated orthogonal image-based models. Acta Biomater 2022; 153:342-354. [PMID: 36152908 PMCID: PMC10324295 DOI: 10.1016/j.actbio.2022.09.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/24/2022] [Accepted: 09/15/2022] [Indexed: 11/01/2022]
Abstract
Ovarian cancer remains the deadliest of the gynecological cancers, where this arises from poor screening and imaging tools that can detect early disease, and also limited understanding of the structural and functional aspects of the tumor microenvironment. To gain insight into the underlying cellular dynamics, we have used multiphoton excited fabrication to create Second Harmonic Generation (SHG) image-based orthogonal models from collagen/GelMA that represent both the collagen matrix morphology and stiffness (∼2-8 kPa) of normal ovarian stroma and high grade serous ovarian cancers (HGSOC). These scaffolds are used to study migration/cytoskeletal dynamics of normal (IOSE) and ovarian cancer (OVCA433) cell lines. We found that the highly aligned fiber morphology of HGSOC promotes aspects of motility (motility coefficient, motility, and focal adhesion expression) through a contact guidance mechanism and that stiffer matrix further promotes these same processes through a mechanosensitive mechanism, where these trends were similar for both normal and cancer cells. However, cell specific differences were found on these orthogonal models relative to those providing only morphology, showing the importance of presenting both morphology and stiffness cues. Moreover, we found increased cadherin expression and decreased cell alignment only for cancer cells on scaffolds of intermediate modulus suggesting different stiffness-dependent mechanotransduction mechanisms are engaged. This overall approach affords decoupling the roles of matrix morphology, stiffness and cell genotype and affords hypothesis testing of the factors giving rise to disease progression and metastasis. Further, more established fabrication techniques cannot simultaneously reproduce both the 3D collagen fiber morphology and stiffness. STATEMENT OF SIGNIFICANCE: Ovarian cancer metastasizes when lesions are small, where cells exfoliate from the surface of the ovary and reattach at distal sites in the peritoneum. The adhesion/migration dynamics are not well understood and there is a need for new 3D in vitro models of the extracellular matrix to study the biology. Here we use multiphoton excited crosslinking to fabricate ECM orthogonal models that represent the collagen morphology and stiffness in human ovarian tissues. These are then used to study ovarian cancer cell migration dynamics and we found that contact guidance and a mechanosensitive response and cell genotype all combine to affect the behavior. These models provide insight into disease etiology and progression not readily possible by other fabrication methods.
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Affiliation(s)
- Samuel Alkmin
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1550 Engineering Drive, Madison, WI 53706, USA
| | - Manish S Patankar
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI 53706, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Paul J Campagnola
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1550 Engineering Drive, Madison, WI 53706, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI 53706, USA.
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18
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Basilico B, Palamà IE, D’Amone S, Lauro C, Rosito M, Grieco M, Ratano P, Cordella F, Sanchini C, Di Angelantonio S, Ragozzino D, Cascione M, Gigli G, Cortese B. Substrate stiffness effect on molecular crosstalk of epithelial-mesenchymal transition mediators of human glioblastoma cells. Front Oncol 2022; 12:983507. [PMID: 36091138 PMCID: PMC9454310 DOI: 10.3389/fonc.2022.983507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/04/2022] [Indexed: 11/13/2022] Open
Abstract
The complexity of the microenvironment effects on cell response, show accumulating evidence that glioblastoma (GBM) migration and invasiveness are influenced by the mechanical rigidity of their surroundings. The epithelial–mesenchymal transition (EMT) is a well-recognized driving force of the invasive behavior of cancer. However, the primary mechanisms of EMT initiation and progression remain unclear. We have previously showed that certain substrate stiffness can selectively stimulate human GBM U251-MG and GL15 glioblastoma cell lines motility. The present study unifies several known EMT mediators to uncover the reason of the regulation and response to these stiffnesses. Our results revealed that changing the rigidity of the mechanical environment tuned the response of both cell lines through change in morphological features, epithelial-mesenchymal markers (E-, N-Cadherin), EGFR and ROS expressions in an interrelated manner. Specifically, a stiffer microenvironment induced a mesenchymal cell shape, a more fragmented morphology, higher intracellular cytosolic ROS expression and lower mitochondrial ROS. Finally, we observed that cells more motile showed a more depolarized mitochondrial membrane potential. Unravelling the process that regulates GBM cells’ infiltrative behavior could provide new opportunities for identification of new targets and less invasive approaches for treatment.
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Affiliation(s)
| | - Ilaria Elena Palamà
- National Research Council-Nanotechnology Institute (CNR Nanotec), Lecce, Italy
| | - Stefania D’Amone
- National Research Council-Nanotechnology Institute (CNR Nanotec), Lecce, Italy
| | - Clotilde Lauro
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
| | - Maria Rosito
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
- Center for Life Nanoscience, Italian Institute of Technology (IIT), Rome, Italy
| | - Maddalena Grieco
- National Research Council-Nanotechnology Institute (CNR Nanotec), Lecce, Italy
| | - Patrizia Ratano
- National Research Council-Nanotechnology Institute (CNR Nanotec), Rome, Italy
| | - Federica Cordella
- Center for Life Nanoscience, Italian Institute of Technology (IIT), Rome, Italy
| | - Caterina Sanchini
- Center for Life Nanoscience, Italian Institute of Technology (IIT), Rome, Italy
| | - Silvia Di Angelantonio
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
- Center for Life Nanoscience, Italian Institute of Technology (IIT), Rome, Italy
| | - Davide Ragozzino
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
| | | | - Giuseppe Gigli
- Department of Physiology and Pharmacology, Sapienza University, Rome, Italy
- Department of Mathematics and Physics “Ennio De Giorgi” University of Salento, Lecce, Italy
| | - Barbara Cortese
- National Research Council-Nanotechnology Institute (CNR Nanotec), Rome, Italy
- *Correspondence: Barbara Cortese,
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19
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Sri-Ranjan K, Sanchez-Alonso JL, Swiatlowska P, Rothery S, Novak P, Gerlach S, Koeninger D, Hoffmann B, Merkel R, Stevens MM, Sun SX, Gorelik J, Braga VMM. Intrinsic cell rheology drives junction maturation. Nat Commun 2022; 13:4832. [PMID: 35977954 PMCID: PMC9385638 DOI: 10.1038/s41467-022-32102-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 07/15/2022] [Indexed: 12/02/2022] Open
Abstract
A fundamental property of higher eukaryotes that underpins their evolutionary success is stable cell-cell cohesion. Yet, how intrinsic cell rheology and stiffness contributes to junction stabilization and maturation is poorly understood. We demonstrate that localized modulation of cell rheology governs the transition of a slack, undulated cell-cell contact (weak adhesion) to a mature, straight junction (optimal adhesion). Cell pairs confined on different geometries have heterogeneous elasticity maps and control their own intrinsic rheology co-ordinately. More compliant cell pairs grown on circles have slack contacts, while stiffer triangular cell pairs favour straight junctions with flanking contractile thin bundles. Counter-intuitively, straighter cell-cell contacts have reduced receptor density and less dynamic junctional actin, suggesting an unusual adaptive mechano-response to stabilize cell-cell adhesion. Our modelling informs that slack junctions arise from failure of circular cell pairs to increase their own intrinsic stiffness and resist the pressures from the neighbouring cell. The inability to form a straight junction can be reversed by increasing mechanical stress artificially on stiffer substrates. Our data inform on the minimal intrinsic rheology to generate a mature junction and provide a springboard towards understanding elements governing tissue-level mechanics.
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Affiliation(s)
- K Sri-Ranjan
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - J L Sanchez-Alonso
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - P Swiatlowska
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - S Rothery
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - P Novak
- School of Engineering and Materials Science, Queen Mary University, London, UK
| | - S Gerlach
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - D Koeninger
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - B Hoffmann
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - R Merkel
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - M M Stevens
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering Imperial College London, London, UK
| | - S X Sun
- Department of Mechanical Engineering and Institute of NanoBioTechnology, Johns Hopkins University, Baltimore Maryland, USA
| | - J Gorelik
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
| | - Vania M M Braga
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
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20
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Eftekharjoo M, Mezher M, Chatterji S, Maruthamuthu V. Epithelial Cell-Like Elasticity Modulates Actin-Dependent E-Cadherin Adhesion Organization. ACS Biomater Sci Eng 2022; 8:2455-2462. [PMID: 35549026 PMCID: PMC9199519 DOI: 10.1021/acsbiomaterials.2c00253] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
E-cadherin adhesions are essential for cell-to-cell cohesion and mechanical coupling between epithelial cells and reside in a microenvironment that comprises the adjoining epithelial cells. While E-cadherin has been shown to be a mechanosensor, it is unknown if E-cadherin adhesions can differentially sense stiffness within the range of that of epithelial cells. A survey of literature shows that epithelial cells' Young's moduli of elasticity lie predominantly in the sub-kPa to few-kPa range, with cancer cells often being softer than noncancerous ones. Here, we devised oriented E-cadherin-coated soft silicone substrates with sub-kPa or few-kPa elasticity but with similar viscous moduli and found that E-cadherin adhesions differentially organize depending on the magnitude of epithelial cell-like elasticity. Our results show that the actin cytoskeleton organizes E-cadherin adhesions in two ways─by supporting irregularly shaped adhesions at localized regions of high actin density and linear shaped adhesions at the end of linear actin bundles. Linearly shaped E-cadherin adhesions associated with radially oriented actin─but not irregularly shaped E-cadherin adhesions associated with circumferential actin foci─were much more numerous on 2.4 kPa E-cadherin substrates compared to 0.3 kPa E-cadherin substrates. However, the total amount of E-cadherin in both types of adhesions taken together was similar on the 0.3 and 2.4 kPa E-cadherin substrates across many cells. Our results show how the distribution of E-cadherin adhesions, supported by actin density and architecture, is modulated by epithelial cell-like elasticity and have significant implications for disease states like carcinomas characterized by altered epithelial cell elasticity.
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Affiliation(s)
- Mohamad Eftekharjoo
- Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Mazen Mezher
- Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Siddharth Chatterji
- Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Venkat Maruthamuthu
- Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia 23529, United States
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21
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Mechanical transmission enables EMT cancer cells to drive epithelial cancer cell migration to guide tumor spheroid disaggregation. SCIENCE CHINA. LIFE SCIENCES 2022; 65:2031-2049. [PMID: 35366152 DOI: 10.1007/s11427-021-2054-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 12/31/2021] [Indexed: 02/06/2023]
Abstract
Cell phenotype heterogeneity within tumor tissue, especially which due to the emergence of epithelial-mesenchymal transition (EMT) in cancer cells, is associated with cancer invasion and metastasis. However, our understanding of the cellular mechanism(s) underlying the cooperation between EMT cell and epithelial cancer cell migration remains incomplete. Herein, heterotypic tumor spheroids containing both epithelial and EMT cancer cells were generated in vitro. We observed that EMT cells dominated the peripheral region of the self-organized heterotypic tumor spheroid. Furthermore, our results demonstrated that EMT cells could serve as leader cells to improve the collective migration efficiency of epithelial cancer cells and promote dispersion and invasion of the tumor spheroids, which was regulated by the force transition between EMT cells and epithelial cancer cells. Mechanistically, our data further suggest that force transmission is mediated by heterophilic N-cadherin/E-cadherin adhesion complexes between EMT and epithelial cancer cells. Impairment of N-cadherin/E-cadherin adhesion complex formation abrogated the ability of EMT cells to guide epithelial cancer cell migration and blocked the dispersion of tumor spheroids. Together, our data provide new insight into the mechanical interaction between epithelial and EMT cancer cells through heterophilic cadherin adhesion, which enables cooperative tumor cell migration, highlighting the role of EMT cells in tumor invasion.
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22
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Yang YA, Nguyen E, Sankara Narayana GHN, Heuzé M, Fu C, Yu H, Mège RM, Ladoux B, Sheetz MP. Local contractions regulate E-cadherin rigidity sensing. SCIENCE ADVANCES 2022; 8:eabk0387. [PMID: 35089785 PMCID: PMC8797795 DOI: 10.1126/sciadv.abk0387] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
E-cadherin is a major cell-cell adhesion molecule involved in mechanotransduction at cell-cell contacts in tissues. Because epithelial cells respond to rigidity and tension in tissue through E-cadherin, there must be active processes that test and respond to the mechanical properties of these adhesive contacts. Using submicrometer, E-cadherin-coated polydimethylsiloxane pillars, we find that cells generate local contractions between E-cadherin adhesions and pull to a constant distance for a constant duration, irrespective of pillar rigidity. These cadherin contractions require nonmuscle myosin IIB, tropomyosin 2.1, α-catenin, and binding of vinculin to α-catenin. Cells spread to different areas on soft and rigid surfaces with contractions, but spread equally on soft and rigid without. We further observe that cadherin contractions enable cells to test myosin IIA-mediated tension of neighboring cells and sort out myosin IIA-depleted cells. Thus, we suggest that epithelial cells test and respond to the mechanical characteristics of neighboring cells through cadherin contractions.
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Affiliation(s)
- Yi-An Yang
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
| | - Emmanuelle Nguyen
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
| | | | - Melina Heuzé
- Université de Paris, CNRS, Institut Jacques Monod, F-75013 Paris, France
| | - Chaoyu Fu
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
| | - Hanry Yu
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
- Department of Physiology, Institute for Digital Medicine (WisDM), Yong Loo Lin School of Medicine, Singapore 117593, Singapore
- Institute of Bioengineering and Bioimaging, A*STAR, Singapore 138669, Singapore
- CAMP, Singapore-MIT Alliance for Research and Technology, Singapore 138602, Singapore
| | - René-Marc Mège
- Université de Paris, CNRS, Institut Jacques Monod, F-75013 Paris, France
| | - Benoit Ladoux
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
- Université de Paris, CNRS, Institut Jacques Monod, F-75013 Paris, France
- Corresponding author. (M.P.S.); (B.L.)
| | - Michael P. Sheetz
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX 77555, USA
- Corresponding author. (M.P.S.); (B.L.)
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23
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Ruiz-Esparza GU, Wang X, Zhang X, Jimenez-Vazquez S, Diaz-Gomez L, Lavoie AM, Afewerki S, Fuentes-Baldemar AA, Parra-Saldivar R, Jiang N, Annabi N, Saleh B, Yetisen AK, Sheikhi A, Jozefiak TH, Shin SR, Dong N, Khademhosseini A. Nanoengineered Shear-Thinning Hydrogel Barrier for Preventing Postoperative Abdominal Adhesions. NANO-MICRO LETTERS 2021; 13:212. [PMID: 34664123 PMCID: PMC8523737 DOI: 10.1007/s40820-021-00712-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
More than 90% of surgical patients develop postoperative adhesions, and the incidence of hospital re-admissions can be as high as 20%. Current adhesion barriers present limited efficacy due to difficulties in application and incompatibility with minimally invasive interventions. To solve this clinical limitation, we developed an injectable and sprayable shear-thinning hydrogel barrier (STHB) composed of silicate nanoplatelets and poly(ethylene oxide). We optimized this technology to recover mechanical integrity after stress, enabling its delivery though injectable and sprayable methods. We also demonstrated limited cell adhesion and cytotoxicity to STHB compositions in vitro. The STHB was then tested in a rodent model of peritoneal injury to determine its efficacy preventing the formation of postoperative adhesions. After two weeks, the peritoneal adhesion index was used as a scoring method to determine the formation of postoperative adhesions, and STHB formulations presented superior efficacy compared to a commercially available adhesion barrier. Histological and immunohistochemical examination showed reduced adhesion formation and minimal immune infiltration in STHB formulations. Our technology demonstrated increased efficacy, ease of use in complex anatomies, and compatibility with different delivery methods, providing a robust universal platform to prevent postoperative adhesions in a wide range of surgical interventions.
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Affiliation(s)
- Guillermo U Ruiz-Esparza
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Xichi Wang
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Xingcai Zhang
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
| | - Sofia Jimenez-Vazquez
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Monterrey, Nuevo Leon, 64849, Mexico
- School of Medicine and Health Science, Campus Guadalajara, Zapopan, Jalisco, 45201, Mexico
| | - Liliana Diaz-Gomez
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Monterrey, Nuevo Leon, 64849, Mexico
- School of Medicine and Health Science, Campus Guadalajara, Zapopan, Jalisco, 45201, Mexico
| | - Anne-Marie Lavoie
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Samson Afewerki
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Andres A Fuentes-Baldemar
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Monterrey, Nuevo Leon, 64849, Mexico
- School of Medicine and Health Science, Campus Guadalajara, Zapopan, Jalisco, 45201, Mexico
| | - Roberto Parra-Saldivar
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Monterrey, Nuevo Leon, 64849, Mexico
- School of Medicine and Health Science, Campus Guadalajara, Zapopan, Jalisco, 45201, Mexico
| | - Nan Jiang
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Bahram Saleh
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Ali K Yetisen
- Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK
| | - Amir Sheikhi
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Thomas H Jozefiak
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Su Ryon Shin
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Nianguo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Ali Khademhosseini
- Biomaterials Innovation Research Center, Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA.
- Division of Health Sciences and Technology, Harvard University - Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Terasaki Institute for Biomedical Innovation, 11570 W Olympic Blvd, Los Angeles, CA, 90024, USA.
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24
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Arslan FN, Eckert J, Schmidt T, Heisenberg CP. Holding it together: when cadherin meets cadherin. Biophys J 2021; 120:4182-4192. [PMID: 33794149 PMCID: PMC8516678 DOI: 10.1016/j.bpj.2021.03.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/12/2021] [Accepted: 03/17/2021] [Indexed: 12/21/2022] Open
Abstract
Intercellular adhesion is the key to multicellularity, and its malfunction plays an important role in various developmental and disease-related processes. Although it has been intensively studied by both biologists and physicists, a commonly accepted definition of cell-cell adhesion is still being debated. Cell-cell adhesion has been described at the molecular scale as a function of adhesion receptors controlling binding affinity, at the cellular scale as resistance to detachment forces or modulation of surface tension, and at the tissue scale as a regulator of cellular rearrangements and morphogenesis. In this review, we aim to summarize and discuss recent advances in the molecular, cellular, and theoretical description of cell-cell adhesion, ranging from biomimetic models to the complexity of cells and tissues in an organismal context. In particular, we will focus on cadherin-mediated cell-cell adhesion and the role of adhesion signaling and mechanosensation therein, two processes central for understanding the biological and physical basis of cell-cell adhesion.
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Affiliation(s)
- Feyza Nur Arslan
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Julia Eckert
- Physics of Life Processes, Leiden Institute of Physics, Leiden University, Leiden, the Netherlands
| | - Thomas Schmidt
- Physics of Life Processes, Leiden Institute of Physics, Leiden University, Leiden, the Netherlands
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25
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Li H, Luo Q, Shan W, Cai S, Tie R, Xu Y, Lin Y, Qian P, Huang H. Biomechanical cues as master regulators of hematopoietic stem cell fate. Cell Mol Life Sci 2021; 78:5881-5902. [PMID: 34232331 PMCID: PMC8316214 DOI: 10.1007/s00018-021-03882-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 06/02/2021] [Accepted: 06/15/2021] [Indexed: 01/09/2023]
Abstract
Hematopoietic stem cells (HSCs) perceive both soluble signals and biomechanical inputs from their microenvironment and cells themselves. Emerging as critical regulators of the blood program, biomechanical cues such as extracellular matrix stiffness, fluid mechanical stress, confined adhesiveness, and cell-intrinsic forces modulate multiple capacities of HSCs through mechanotransduction. In recent years, research has furthered the scientific community's perception of mechano-based signaling networks in the regulation of several cellular processes. However, the underlying molecular details of the biomechanical regulatory paradigm in HSCs remain poorly elucidated and researchers are still lacking in the ability to produce bona fide HSCs ex vivo for clinical use. This review presents an overview of the mechanical control of both embryonic and adult HSCs, discusses some recent insights into the mechanisms of mechanosensing and mechanotransduction, and highlights the application of mechanical cues aiming at HSC expansion or differentiation.
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Affiliation(s)
- Honghu Li
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Qian Luo
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Wei Shan
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Shuyang Cai
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Ruxiu Tie
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Yulin Xu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Yu Lin
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China
| | - Pengxu Qian
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Center of Stem Cell and Regenerative Medicine, School of Medicine, Zhejiang University, Hangzhou, 310012, China.
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China.
| | - He Huang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Institute of Hematology, Zhejiang University, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310012, Zhejiang, People's Republic of China.
- Center of Stem Cell and Regenerative Medicine, School of Medicine, Zhejiang University, Hangzhou, 310012, China.
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26
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Shahidi S, Janmaleki M, Riaz S, Sanati Nezhad A, Syed N. A tuned gelatin methacryloyl (GelMA) hydrogel facilitates myelination of dorsal root ganglia neurons in vitro. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 126:112131. [PMID: 34082948 DOI: 10.1016/j.msec.2021.112131] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 04/18/2021] [Accepted: 04/19/2021] [Indexed: 12/12/2022]
Abstract
Investigating axonal myelination by Schwann cells (SCs) is crucial for understanding mechanisms underlying demyelination and remyelination, which may help gain insights into incurable disorders like neurodegenerative diseases. In this study, a gelatin-based hydrogel, gelatin methacryloyl (GelMA), was optimized to achieve the biocompatibility, porosity, mechanical stability, and degradability needed to provide high cell viability for dorsal root ganglia (DRG) neurons and SCs, and to enable their long-term coculture needed for myelination studies. The results of cell viability, neurite elongation, SC function and maturation, SC-axon interaction, and myelination were compared with two other commonly used substrates, namely collagen and Poly-d Lysine (PDL). The tuned GelMA constructs (Young's modulus of 32.6 ± 1.9 kPa and the median value of pore size of 10.3 μm) enhanced single axon generation (unlike collagen) and promoted the interaction of DRG neurons and SCs (unlike PDL). While DRG cells exhibited relatively higher viability on PDL after 48 h, i.e., 83.8%, the cells had similar survival rate on GelMA and collagen substrates, 66.7% and 61.5%, respectively. Further adjusting the hydrogel properties to achieve two distinct ranges of relatively small and large pores supported SCs to extend their processes freely and enabled physical contact with and wrapping around their corresponding axons. Staining the cells with myelin basic protein (MBA) and myelin-associated glycoprotein (MAG) revealed enhanced myelination on GelMA hydrogel compared to PDL and collagen. Moreover, the engineered porosity enhanced DRGs and SCs attachments and flexibility of movement across the substrate. This engineered hydrogel structure can now be further explored to model demyelination in neurodegenerative diseases, as well as to study the effects of various compounds on myelin regeneration.
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Affiliation(s)
- Sahar Shahidi
- Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Mohsen Janmaleki
- BioMEMS and Bioinspired Microfluidic Laboratory, Biomedical Engineering Graduate Program, University of Calgary, Calgary, T2N 1N4, Alberta, Canada; Center for BioEngineering Research and Education, University of Calgary, Calgary, T2N 1N4, Alberta, Canada
| | - Saba Riaz
- Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Amir Sanati Nezhad
- BioMEMS and Bioinspired Microfluidic Laboratory, Biomedical Engineering Graduate Program, University of Calgary, Calgary, T2N 1N4, Alberta, Canada; Center for BioEngineering Research and Education, University of Calgary, Calgary, T2N 1N4, Alberta, Canada.
| | - Naweed Syed
- Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta T2N 1N4, Canada.
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27
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Krneta-Stankic V, Corkins ME, Paulucci-Holthauzen A, Kloc M, Gladden AB, Miller RK. The Wnt/PCP formin Daam1 drives cell-cell adhesion during nephron development. Cell Rep 2021; 36:109340. [PMID: 34233186 PMCID: PMC8629027 DOI: 10.1016/j.celrep.2021.109340] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 03/31/2021] [Accepted: 06/11/2021] [Indexed: 12/02/2022] Open
Abstract
E-cadherin junctions facilitate assembly and disassembly of cell contacts that drive development and homeostasis of epithelial tissues. In this study, using Xenopus embryonic kidney and Madin-Darby canine kidney (MDCK) cells, we investigate the role of the Wnt/planar cell polarity (PCP) formin Daam1 (Dishevelled-associated activator of morphogenesis 1) in regulating E-cadherin-based intercellular adhesion. Using live imaging, we show that Daam1 localizes to newly formed cell contacts in the developing nephron. Furthermore, analyses of junctional filamentous actin (F-actin) upon Daam1 depletion indicate decreased microfilament localization and slowed turnover. We also show that Daam1 is necessary for efficient and timely localization of junctional E-cadherin, mediated by Daam1’s formin homology domain 2 (FH2). Finally, we establish that Daam1 signaling promotes organized movement of renal cells. This study demonstrates that Daam1 formin junctional activity is critical for epithelial tissue organization. How cells remodel their adhesions through cell-surface proteins such as E-cadherin is a central question in epithelial tissue biology. Krneta-Stankic et al. show that the Wnt/PCP formin Daam1 regulates cytoskeletal membrane dynamics and E-cadherin localization within developing nephrons. These findings provide a new framework for studying cell-cell adhesion and nephron morphogenesis.
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Affiliation(s)
- Vanja Krneta-Stankic
- Program in Genes and Development, MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA; Department of Pediatrics, Pediatric Research Center, UTHealth McGovern Medical School, Houston, TX 77030, USA
| | - Mark E Corkins
- Department of Pediatrics, Pediatric Research Center, UTHealth McGovern Medical School, Houston, TX 77030, USA
| | | | - Malgorzata Kloc
- Department of Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Houston Methodist Hospital Research Institute, Houston, TX 77030, USA
| | - Andrew B Gladden
- Program in Genes and Development, MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA; Department of Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Rachel K Miller
- Program in Genes and Development, MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA; Department of Pediatrics, Pediatric Research Center, UTHealth McGovern Medical School, Houston, TX 77030, USA; Department of Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Program in Biochemistry and Cell Biology, MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA.
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28
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Diaferia C, Rosa E, Gallo E, Smaldone G, Stornaiuolo M, Morelli G, Accardo A. Self-Supporting Hydrogels Based on Fmoc-Derivatized Cationic Hexapeptides for Potential Biomedical Applications. Biomedicines 2021; 9:biomedicines9060678. [PMID: 34203919 PMCID: PMC8232644 DOI: 10.3390/biomedicines9060678] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/11/2021] [Accepted: 06/12/2021] [Indexed: 11/16/2022] Open
Abstract
Peptide-based hydrogels (PHGs) are biocompatible materials suitable for biological, biomedical, and biotechnological applications, such as drug delivery and diagnostic tools for imaging. Recently, a novel class of synthetic hydrogel-forming amphiphilic cationic peptides (referred to as series K), containing an aliphatic region and a Lys residue, was proposed as a scaffold for bioprinting applications. Here, we report the synthesis of six analogues of the series K, in which the acetyl group at the N-terminus is replaced by aromatic portions, such as the Fmoc protecting group or the Fmoc-FF hydrogelator. The tendency of all peptides to self-assemble and to gel in aqueous solution was investigated using a set of biophysical techniques. The structural characterization pointed out that only the Fmoc-derivatives of series K keep their capability to gel. Among them, Fmoc-K3 hydrogel, which is the more rigid one (G’ = 2526 Pa), acts as potential material for tissue engineering, fully supporting cell adhesion, survival, and duplication. These results describe a gelification process, allowed only by the correct balancing among aggregation forces within the peptide sequences (e.g., van der Waals, hydrogen bonding, and π–π stacking).
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Affiliation(s)
- Carlo Diaferia
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, 80134 Naples, Italy; (C.D.); (E.R.); (M.S.); (G.M.)
| | - Elisabetta Rosa
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, 80134 Naples, Italy; (C.D.); (E.R.); (M.S.); (G.M.)
| | - Enrico Gallo
- IRCCS SDN, Via Gianturco 113, 80143 Naples, Italy; (E.G.); (G.S.)
| | | | - Mariano Stornaiuolo
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, 80134 Naples, Italy; (C.D.); (E.R.); (M.S.); (G.M.)
| | - Giancarlo Morelli
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, 80134 Naples, Italy; (C.D.); (E.R.); (M.S.); (G.M.)
| | - Antonella Accardo
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, 80134 Naples, Italy; (C.D.); (E.R.); (M.S.); (G.M.)
- Correspondence: ; Tel.: +39-081-2532045
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29
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Culturing Keratinocytes on Biomimetic Substrates Facilitates Improved Epidermal Assembly In Vitro. Cells 2021; 10:cells10051177. [PMID: 34066027 PMCID: PMC8151809 DOI: 10.3390/cells10051177] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/29/2021] [Accepted: 05/09/2021] [Indexed: 12/18/2022] Open
Abstract
Mechanotransduction is defined as the ability of cells to sense mechanical stimuli from their surroundings and translate them into biochemical signals. Epidermal keratinocytes respond to mechanical cues by altering their proliferation, migration, and differentiation. In vitro cell culture, however, utilises tissue culture plastic, which is significantly stiffer than the in vivo environment. Current epidermal models fail to consider the effects of culturing keratinocytes on plastic prior to setting up three-dimensional cultures, so the impact of this non-physiological exposure on epidermal assembly is largely overlooked. In this study, primary keratinocytes cultured on plastic were compared with those grown on 4, 8, and 50 kPa stiff biomimetic hydrogels that have similar mechanical properties to skin. Our data show that keratinocytes cultured on biomimetic hydrogels exhibited major changes in cellular architecture, cell density, nuclear biomechanics, and mechanoprotein expression, such as specific Linker of Nucleoskeleton and Cytoskeleton (LINC) complex constituents. Mechanical conditioning of keratinocytes on 50 kPa biomimetic hydrogels improved the thickness and organisation of 3D epidermal models. In summary, the current study demonstrates that the effects of extracellular mechanics on keratinocyte cell biology are significant and therefore should be harnessed in skin research to ensure the successful production of physiologically relevant skin models.
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30
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Lenne PF, Rupprecht JF, Viasnoff V. Cell Junction Mechanics beyond the Bounds of Adhesion and Tension. Dev Cell 2021; 56:202-212. [PMID: 33453154 DOI: 10.1016/j.devcel.2020.12.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/06/2020] [Accepted: 12/21/2020] [Indexed: 12/22/2022]
Abstract
Cell-cell junctions, in particular adherens junctions, are major determinants of tissue mechanics during morphogenesis and homeostasis. In attempts to link junctional mechanics to tissue mechanics, many have utilized explicitly or implicitly equilibrium approaches based on adhesion energy, surface energy, and contractility to determine the mechanical equilibrium at junctions. However, it is increasingly clear that they have significant limitations, such as that it remains challenging to link the dynamics of the molecular components to the resulting physical properties of the junction, to its remodeling ability, and to its adhesion strength. In this perspective, we discuss recent attempts to consider the aspect of energy dissipation at junctions to draw contact points with soft matter physics where energy loss plays a critical role in adhesion theories. We set the grounds for a theoretical framework of the junction mechanics that bridges the dynamics at the molecular scale to the mechanics at the tissue scale.
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Affiliation(s)
- Pierre-François Lenne
- Aix Marseille Université, CNRS, IBDM, Turing Centre for Living Systems, 13288 Marseille, France.
| | - Jean-François Rupprecht
- Aix Marseille Université, CNRS, CPT, Turing Centre for Living Systems, 13288 Marseille, France.
| | - Virgile Viasnoff
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore; CNRS Biomechanics of Cell Contacts, Singapore 117411, Singapore; Department of Biological Sciences, National University of Singapore, Singapore 117411, Singapore.
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Role of Actin Cytoskeleton in E-cadherin-Based Cell–Cell Adhesion Assembly and Maintenance. J Indian Inst Sci 2021. [DOI: 10.1007/s41745-020-00214-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Onken MD, Blumer KJ, Cooper JA. Uveal melanoma cells use ameboid and mesenchymal mechanisms of cell motility crossing the endothelium. Mol Biol Cell 2021; 32:413-421. [PMID: 33405963 PMCID: PMC8098856 DOI: 10.1091/mbc.e20-04-0241] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Uveal melanomas (UMs) are malignant cancers arising from the pigmented layers of the eye. UM cells spread through the bloodstream, and circulating UM cells are detectable in patients before metastases appear. Extravasation of UM cells is necessary for formation of metastases, and transendothelial migration (TEM) is a key step in extravasation. UM cells execute TEM via a stepwise process involving the actin-based processes of ameboid blebbing and mesenchymal lamellipodial protrusion. UM cancers are driven by oncogenic mutations that activate Gαq/11, and this activates TRIO, a guanine nucleotide exchange factor for RhoA and Rac1. We found that pharmacologic inhibition of Gαq/11 in UM cells reduced TEM. Inhibition of the RhoA pathway blocked amoeboid motility but led to enhanced TEM; in contrast, inhibition of the Rac1 pathway decreased mesenchymal motility and reduced TEM. Inhibition of Arp2/3 complex allowed cells to transmigrate without intercalation, a direct mechanism similar to the one often displayed by immune cells. BAP1-deficient (+/–) UM subclones displayed motility behavior and increased levels of TEM, similar to the effects of RhoA inhibitors. We conclude that RhoA and Rac1 signaling pathways, downstream of oncogenic Gαq/11, combine with pathways regulated by BAP1 to control the motility and transmigration of UM cells.
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Affiliation(s)
- Michael D Onken
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, Saint Louis, MO 63110
| | - Kendall J Blumer
- Department of Cell Biology & Physiology, Washington University School of Medicine, Saint Louis, MO 63110
| | - John A Cooper
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, Saint Louis, MO 63110
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Saffioti NA, Cavalcanti-Adam EA, Pallarola D. Biosensors for Studies on Adhesion-Mediated Cellular Responses to Their Microenvironment. Front Bioeng Biotechnol 2020; 8:597950. [PMID: 33262979 PMCID: PMC7685988 DOI: 10.3389/fbioe.2020.597950] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 10/12/2020] [Indexed: 12/28/2022] Open
Abstract
Cells interact with their microenvironment by constantly sensing mechanical and chemical cues converting them into biochemical signals. These processes allow cells to respond and adapt to changes in their environment, and are crucial for most cellular functions. Understanding the mechanism underlying this complex interplay at the cell-matrix interface is of fundamental value to decipher key biochemical and mechanical factors regulating cell fate. The combination of material science and surface chemistry aided in the creation of controllable environments to study cell mechanosensing and mechanotransduction. Biologically inspired materials tailored with specific bioactive molecules, desired physical properties and tunable topography have emerged as suitable tools to study cell behavior. Among these materials, synthetic cell interfaces with built-in sensing capabilities are highly advantageous to measure biophysical and biochemical interaction between cells and their environment. In this review, we discuss the design of micro and nanostructured biomaterials engineered not only to mimic the structure, properties, and function of the cellular microenvironment, but also to obtain quantitative information on how cells sense and probe specific adhesive cues from the extracellular domain. This type of responsive biointerfaces provides a readout of mechanics, biochemistry, and electrical activity in real time allowing observation of cellular processes with molecular specificity. Specifically designed sensors based on advanced optical and electrochemical readout are discussed. We further provide an insight into the emerging role of multifunctional micro and nanosensors to control and monitor cell functions by means of material design.
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Affiliation(s)
- Nicolás Andrés Saffioti
- Instituto de Nanosistemas, Universidad Nacional de General San Martín, San Martín, Argentina
| | | | - Diego Pallarola
- Instituto de Nanosistemas, Universidad Nacional de General San Martín, San Martín, Argentina
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LncRNA LINC00472 regulates cell stiffness and inhibits the migration and invasion of lung adenocarcinoma by binding to YBX1. Cell Death Dis 2020; 11:945. [PMID: 33144579 PMCID: PMC7609609 DOI: 10.1038/s41419-020-03147-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/18/2022]
Abstract
There is increasing evidence that long non-coding RNAs (lncRNAs) play important roles in human tumorigenesis. By using publicly available expression profiling data from lung adenocarcinoma and integrating bioinformatics analysis, we screened a lncRNA, LINC00472. LINC00472 expression in lung adenocarcinoma tissues was significantly lower and tightly associated with patient prognosis and TNM clinical stages in lung adenocarcinoma. LINC00472 also inhibited lung adenocarcinoma cell migration and invasion and increased cell stiffness and adhesion. RNA pull down and RIP assays identified that LINC00472 interacted with the transcription factor Y-box binding protein 1 (YBX1), which partially reversed the inhibition of cell migration and invasion and increased LINC00472-induced cell stiffness and adhesion. LINC00472 also regulated the density and integrity of F-actin in A549 and PC-9 cells possibly via YBX1. LINC00472 inhibited the cell epithelial-mesenchymal transition (EMT) processes via the modulation of YBX1. These results indicated that LINC00472 inhibited the cell EMT process by binding to YBX1, and affected the mechanical properties of the cell, ultimately inhibited its ability to invade and metastasize. Collectively, the present study provides the first evidence that LINC00472 changes the mechanical properties and inhibits the invasion and metastasis of lung adenocarcinoma cells.
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Stamenović D, Smith ML. Tensional homeostasis at different length scales. SOFT MATTER 2020; 16:6946-6963. [PMID: 32696799 DOI: 10.1039/d0sm00763c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Tensional homeostasis is a phenomenon of fundamental importance in mechanobiology. It refers to the ability of organs, tissues, and cells to respond to external disturbances by maintaining a homeostatic (set point) level of mechanical stress (tension). It is well documented that breakdown in tensional homeostasis is the hallmark of progression of diseases, including cancer and atherosclerosis. In this review, we surveyed quantitative studies of tensional homeostasis with the goal of providing characterization of this phenomenon across a broad range of length scales, from the organ level to the subcellular level. We considered both static and dynamics approaches that have been used in studies of this phenomenon. Results that we found in the literature and that we obtained from our own investigations suggest that tensional homeostasis is an emergent phenomenon driven by collective rheostatic mechanisms associated with focal adhesions, and by a collective action of cells in multicellular forms, whose impact on tensional homeostasis is cell type-dependent and cell microenvironment-dependent. Additionally, the finding that cadherins, adhesion molecules that are important for formation of cell-cell junctions, promote tensional homeostasis even in single cells, demonstrates their relevance as a signaling moiety.
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Affiliation(s)
- Dimitrije Stamenović
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA 02215, USA.
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Malik V, Garg S, Afzal S, Dhanjal JK, Yun CO, Kaul SC, Sundar D, Wadhwa R. Bioinformatics and Molecular Insights to Anti-Metastasis Activity of Triethylene Glycol Derivatives. Int J Mol Sci 2020; 21:ijms21155463. [PMID: 32751717 PMCID: PMC7432423 DOI: 10.3390/ijms21155463] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 12/12/2022] Open
Abstract
The anti-metastatic and anti-angiogenic activities of triethylene glycol derivatives have been reported. In this study, we investigated their molecular mechanism(s) using bioinformatics and experimental tools. By molecular dynamics analysis, we found that (i) triethylene glycol dimethacrylate (TD-10) and tetraethylene glycol dimethacrylate (TD-11) can act as inhibitors of the catalytic domain of matrix metalloproteinases (MMP-2, MMP-7 and MMP-9) by binding to the S1’ pocket of MMP-2 and MMP-9 and the catalytic Zn ion binding site of MMP-7, and that (ii) TD-11 can cause local disruption of the secondary structure of vascular endothelial growth factor A (VEGFA) dimer and exhibit stable interaction at the binding interface of VEGFA receptor R1 complex. Cell-culture-based in vitro experiments showed anti-metastatic phenotypes as seen in migration and invasion assays in cancer cells by both TD-10 and TD-11. Underlying biochemical evidence revealed downregulation of VEGF and MMPs at the protein level; MMP-9 was also downregulated at the transcriptional level. By molecular analyses, we demonstrate that TD-10 and TD-11 target stress chaperone mortalin at the transcription and translational level, yielding decreased expression of vimentin, fibronectin and hnRNP-K, and increase in extracellular matrix (ECM) proteins (collagen IV and E-cadherin) endorsing reversal of epithelial–mesenchymal transition (EMT) signaling.
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Affiliation(s)
- Vidhi Malik
- DAILAB, Department of Biochemical Engineering & Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110 016, India;
| | - Sukant Garg
- AIST-INDIA DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305 8565, Japan; (S.G.); (S.A.); (J.K.D.); (S.C.K.)
| | - Sajal Afzal
- AIST-INDIA DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305 8565, Japan; (S.G.); (S.A.); (J.K.D.); (S.C.K.)
| | - Jaspreet Kaur Dhanjal
- AIST-INDIA DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305 8565, Japan; (S.G.); (S.A.); (J.K.D.); (S.C.K.)
| | - Chae-Ok Yun
- Department of Bioengineering, College of Engineering, Hanyang University, Seoul 133-791, Korea;
| | - Sunil C. Kaul
- AIST-INDIA DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305 8565, Japan; (S.G.); (S.A.); (J.K.D.); (S.C.K.)
| | - Durai Sundar
- DAILAB, Department of Biochemical Engineering & Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110 016, India;
- Correspondence: (D.S.); (R.W.); Tel.: +91-11-2659-1066 (D.S.); +81-29-861-9464 (R.W.)
| | - Renu Wadhwa
- AIST-INDIA DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305 8565, Japan; (S.G.); (S.A.); (J.K.D.); (S.C.K.)
- Correspondence: (D.S.); (R.W.); Tel.: +91-11-2659-1066 (D.S.); +81-29-861-9464 (R.W.)
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Latario CJ, Schoenfeld LW, Howarth CL, Pickrell LE, Begum F, Fischer DA, Grbovic-Huezo O, Leach SD, Sanchez Y, Smith KD, Higgs HN. Tumor microtubes connect pancreatic cancer cells in an Arp2/3 complex-dependent manner. Mol Biol Cell 2020; 31:1259-1272. [PMID: 32267199 PMCID: PMC7353147 DOI: 10.1091/mbc.e19-11-0605] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/18/2020] [Accepted: 03/30/2020] [Indexed: 12/17/2022] Open
Abstract
Actin-based tubular connections between cells have been observed in many cell types. Termed "tunneling nanotubes (TNTs)," "membrane nanotubes," "tumor microtubes (TMTs)," or "cytonemes," these protrusions interconnect cells in dynamic networks. Structural features in these protrusions vary between cellular systems, including tubule diameter and the presence of microtubules. We find tubular protrusions, which we classify as TMTs, in a pancreatic cancer cell line, Dartmouth-Hitchcock Pancreatic Cancer (DHPC)-018. TMTs are present in DHPC-018-derived tumors in mice, as well as in a mouse model of pancreatic cancer and a subset of primary human tumors. DHPC-018 TMTs have heterogeneous diameter (0.39-5.85 µm, median 1.92 µm) and contain actin filaments, microtubules, and cytokeratin 19-based intermediate filaments. TMTs do not allow intercellular transfer of cytoplasmic GFP. Actin filaments are cortical within the protrusion, as opposed to TNTs, in which filaments run down the center. TMTs are dynamic in length, but are long lived (median >60 min). Inhibition of actin polymerization, but not microtubules, results in TMT loss. Extracellular calcium is necessary for TMT maintenance. A second class of tubular protrusion, which we term cell-substrate protrusion, has similar width range and cytoskeletal features but makes contact with the substratum as opposed to another cell. Similar to previous work on TNTs, we find two assembly mechanisms for TMTs, which we term "pull-away" and "search-and-capture." Inhibition of Arp2/3 complex inhibits TMT assembly by both mechanisms. This work demonstrates that the actin architecture of TMTs in pancreatic cancer cells is fundamentally different from that of TNTs and demonstrates the role of Arp2/3 complex in TMT assembly.
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Affiliation(s)
- Casey J. Latario
- Department of Biochemistry and Cell Biology, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Lori W. Schoenfeld
- Department of Biochemistry and Cell Biology, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Charles L. Howarth
- Department of Molecular and Systems Biology, and Norris Cotton Cancer Center, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Laura E. Pickrell
- Department of Biochemistry and Cell Biology, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Fatema Begum
- Department of Biochemistry and Cell Biology, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Dawn A. Fischer
- Department of Surgery, Division of Surgical Oncology, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756
| | - Olivera Grbovic-Huezo
- David M. Rubenstein Center for Pancreatic Cancer Research, Memorial Sloan Kettering Cancer Center, New York, NY 10065
| | - Steven D. Leach
- Department of Molecular and Systems Biology, and Norris Cotton Cancer Center, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Yolanda Sanchez
- Department of Molecular and Systems Biology, and Norris Cotton Cancer Center, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
| | - Kerrington D. Smith
- Department of Surgery, Division of Surgical Oncology, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756
| | - Henry N. Higgs
- Department of Biochemistry and Cell Biology, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755
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Uttagomol J, Ahmad US, Rehman A, Huang Y, Laly AC, Kang A, Soetaert J, Chance R, Teh MT, Connelly JT, Wan H. Evidence for the Desmosomal Cadherin Desmoglein-3 in Regulating YAP and Phospho-YAP in Keratinocyte Responses to Mechanical Forces. Int J Mol Sci 2019; 20:ijms20246221. [PMID: 31835537 PMCID: PMC6940936 DOI: 10.3390/ijms20246221] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/05/2019] [Accepted: 12/06/2019] [Indexed: 12/14/2022] Open
Abstract
Desmoglein 3 (Dsg3) plays a crucial role in cell-cell adhesion and tissue integrity. Increasing evidence suggests that Dsg3 acts as a regulator of cellular mechanotransduction, but little is known about its direct role in mechanical force transmission. The present study investigated the impact of cyclic strain and substrate stiffness on Dsg3 expression and its role in mechanotransduction in keratinocytes. A direct comparison was made with E-cadherin, a well-characterized mechanosensor. Exposure of oral and skin keratinocytes to equiaxial cyclic strain promoted changes in the expression and localization of junction assembly proteins. The knockdown of Dsg3 by siRNA blocked strain-induced junctional remodeling of E-cadherin and Myosin IIa. Importantly, the study demonstrated that Dsg3 regulates the expression and localization of yes-associated protein (YAP), a mechanosensory, and an effector of the Hippo pathway. Furthermore, we showed that Dsg3 formed a complex with phospho-YAP and sequestered it to the plasma membrane, while Dsg3 depletion had an impact on both YAP and phospho-YAP in their response to mechanical forces, increasing the sensitivity of keratinocytes to the strain or substrate rigidity-induced nuclear relocation of YAP and phospho-YAP. Plakophilin 1 (PKP1) seemed to be crucial in recruiting the complex containing Dsg3/phospho-YAP to the cell surface since its silencing affected Dsg3 junctional assembly with concomitant loss of phospho-YAP at the cell periphery. Finally, we demonstrated that this Dsg3/YAP pathway has an influence on the expression of YAP1 target genes and cell proliferation. Together, these findings provide evidence of a novel role for Dsg3 in keratinocyte mechanotransduction.
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Affiliation(s)
- Jutamas Uttagomol
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - Usama Sharif Ahmad
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - Ambreen Rehman
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - Yunying Huang
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - Ana C. Laly
- Centre for Cell Biology and Cutaneous Research, Blizard Institute; Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (A.C.L.); (J.S.); (J.T.C.)
| | - Angray Kang
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - Jan Soetaert
- Centre for Cell Biology and Cutaneous Research, Blizard Institute; Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (A.C.L.); (J.S.); (J.T.C.)
| | - Randy Chance
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - Muy-Teck Teh
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
| | - John T. Connelly
- Centre for Cell Biology and Cutaneous Research, Blizard Institute; Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (A.C.L.); (J.S.); (J.T.C.)
| | - Hong Wan
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK; (J.U.); (U.S.A.); (A.R.); (Y.H.); (A.K.); (R.C.); (M.-T.T.)
- Correspondence: ; Tel.: +(44)-020-7882-7139; Fax: +(44)-020-7882-7137
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Biswas KH. Molecular Mobility-Mediated Regulation of E-Cadherin Adhesion. Trends Biochem Sci 2019; 45:163-173. [PMID: 31810601 DOI: 10.1016/j.tibs.2019.10.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/22/2019] [Accepted: 10/30/2019] [Indexed: 12/12/2022]
Abstract
Cells in epithelial tissues utilize homotypic E-cadherin interaction-mediated adhesions to both physically adhere to each other and sense the physical properties of their microenvironment, such as the presence of other cells in close vicinity or an alteration in the mechanical tension of the tissue. These position E-cadherin centrally in organogenesis and other processes, and its function is therefore tightly regulated through a variety of means including endocytosis and gene expression. How does membrane molecular mobility of E-cadherin, and thus membrane physical properties and associated actin cytoskeleton, impinges on the assembly of adhesive clusters and signaling is discussed.
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Affiliation(s)
- Kabir H Biswas
- College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha 34110, Qatar.
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40
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Engel L, Gaietta G, Dow LP, Swift MF, Pardon G, Volkmann N, Weis WI, Hanein D, Pruitt BL. Extracellular matrix micropatterning technology for whole cell cryogenic electron microscopy studies. JOURNAL OF MICROMECHANICS AND MICROENGINEERING : STRUCTURES, DEVICES, AND SYSTEMS 2019; 29:115018. [PMID: 32879557 PMCID: PMC7457726 DOI: 10.1088/1361-6439/ab419a] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Cryogenic electron tomography is the highest resolution tool available for structural analysis of macromolecular organization inside cells. Micropatterning of extracellular matrix (ECM) proteins is an established in vitro cell culture technique used to control cell shape. Recent traction force microscopy studies have shown correlation between cell morphology and the regulation of force transmission. However, it remains unknown how cells sustain increased strain energy states and localized stresses at the supramolecular level. Here, we report a technology to enable direct observation of mesoscale organization in epithelial cells under morphological modulation, using a maskless protein photopatterning method (PRIMO) to confine cells to ECM micropatterns on electron microscopy substrates. These micropatterned cell culture substrates can be used in mechanobiology research to correlate changes in nanometer-scale organization at cell-cell and cell-ECM contacts to strain energy states and traction stress distribution in the cell.
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Affiliation(s)
- Leeya Engel
- Department of Bioengineering, Stanford University, Stanford, California
- Correspondence:
| | - Guido Gaietta
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California
| | - Liam P. Dow
- Department of Bioengineering, Stanford University, Stanford, California
- Biomolecular Science and Engineering Program, University of California, Santa Barbara
| | - Mark F. Swift
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California
| | - Gaspard Pardon
- Department of Bioengineering, Stanford University, Stanford, California
| | - Niels Volkmann
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California
| | - William I. Weis
- Departments of Structural Biology and Molecular and Cellular Physiology, Stanford University School of Medicine
| | - Dorit Hanein
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California
| | - Beth L. Pruitt
- Department of Bioengineering, Stanford University, Stanford, California
- Biomolecular Science and Engineering Program, University of California, Santa Barbara
- Departments of Mechanical Engineering and Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara
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41
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Logan SM, Ruest LB, Benson MD, Svoboda KKH. Extracellular Matrix in Secondary Palate Development. Anat Rec (Hoboken) 2019; 303:1543-1556. [PMID: 31513730 DOI: 10.1002/ar.24263] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 05/14/2019] [Accepted: 07/03/2019] [Indexed: 12/11/2022]
Abstract
The secondary palate arises from outgrowths of epithelia-covered embryonic mesenchyme that grow from the maxillary prominence, remodel to meet over the tongue, and fuse at the midline. These events require the coordination of cell proliferation, migration, and gene expression, all of which take place in the context of the extracellular matrix (ECM). Palatal cells generate their ECM, and then stiffen, degrade, or otherwise modify its properties to achieve the required cell movement and organization during palatogenesis. The ECM, in turn, acts on the cells through their matrix receptors to change their gene expression and thus their phenotype. The number of ECM-related gene mutations that cause cleft palate in mice and humans is a testament to the crucial role the matrix plays in palate development and a reminder that understanding that role is vital to our progress in treating palate deformities. This article will review the known ECM constituents at each stage of palatogenesis, the mechanisms of tissue reorganization and cell migration through the palatal ECM, the reciprocal relationship between the ECM and gene expression, and human syndromes with cleft palate that arise from mutations of ECM proteins and their regulators. Anat Rec, 2019. © 2019 American Association for Anatomy.
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Affiliation(s)
- Shaun M Logan
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas
| | - L Bruno Ruest
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas
| | - M Douglas Benson
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas
| | - Kathy K H Svoboda
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas
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Heuzé ML, Sankara Narayana GHN, D'Alessandro J, Cellerin V, Dang T, Williams DS, Van Hest JC, Marcq P, Mège RM, Ladoux B. Myosin II isoforms play distinct roles in adherens junction biogenesis. eLife 2019; 8:46599. [PMID: 31486768 PMCID: PMC6756789 DOI: 10.7554/elife.46599] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 09/05/2019] [Indexed: 12/27/2022] Open
Abstract
Adherens junction (AJ) assembly under force is essential for many biological processes like epithelial monolayer bending, collective cell migration, cell extrusion and wound healing. The acto-myosin cytoskeleton acts as a major force-generator during the de novo formation and remodeling of AJ. Here, we investigated the role of non-muscle myosin II isoforms (NMIIA and NMIIB) in epithelial junction assembly. NMIIA and NMIIB differentially regulate biogenesis of AJ through association with distinct actin networks. Analysis of junction dynamics, actin organization, and mechanical forces of control and knockdown cells for myosins revealed that NMIIA provides the mechanical tugging force necessary for cell-cell junction reinforcement and maintenance. NMIIB is involved in E-cadherin clustering, maintenance of a branched actin layer connecting E-cadherin complexes and perijunctional actin fibres leading to the building-up of anisotropic stress. These data reveal unanticipated complementary functions of NMIIA and NMIIB in the biogenesis and integrity of AJ.
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Affiliation(s)
- Mélina L Heuzé
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | | | - Joseph D'Alessandro
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - Victor Cellerin
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - Tien Dang
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - David S Williams
- Department of Chemistry, College of Science, Swansea University, Swansea, United Kingdom
| | - Jan Cm Van Hest
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Philippe Marcq
- Laboratoire Physique et Mécanique des Milieux Hétérogènes, Sorbonne Université and CNRS UMR 7636, Paris, France
| | - René-Marc Mège
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
| | - Benoit Ladoux
- Institut Jacques Monod, Université de Paris and CNRS UMR 7592, Paris, France
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43
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Scott LE, Weinberg SH, Lemmon CA. Mechanochemical Signaling of the Extracellular Matrix in Epithelial-Mesenchymal Transition. Front Cell Dev Biol 2019; 7:135. [PMID: 31380370 PMCID: PMC6658819 DOI: 10.3389/fcell.2019.00135] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 07/04/2019] [Indexed: 12/20/2022] Open
Abstract
Epithelial-Mesenchymal Transition (EMT) is a critical process in embryonic development in which epithelial cells undergo a transdifferentiation into mesenchymal cells. This process is essential for tissue patterning and organization, and it has also been implicated in a wide array of pathologies. While the intracellular signaling pathways that regulate EMT are well-understood, there is increasing evidence that the mechanical properties and composition of the extracellular matrix (ECM) also play a key role in regulating EMT. In turn, EMT drives changes in the mechanics and composition of the ECM, creating a feedback loop that is tightly regulated in healthy tissues, but is often dysregulated in disease. Here we present a review that summarizes our understanding of how ECM mechanics and composition regulate EMT, and how in turn EMT alters ECM mechanics and composition.
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Affiliation(s)
- Lewis E Scott
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Seth H Weinberg
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Christopher A Lemmon
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA, United States
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44
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Kiyoshima D, Tatsumi H, Hirata H, Sokabe M. Tensile Loads on Tethered Actin Filaments Induce Accumulation of Cell Adhesion-Associated Proteins in Vitro. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:7443-7451. [PMID: 30204447 DOI: 10.1021/acs.langmuir.8b02076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Focal adhesions (FAs) and adherens junctions (AJs), which serve as a mechanical interface of cell-matrix and cell-cell interactions, respectively, experience tensile force either originating from the deformation of the surrounding tissues or generated by the actomyosin machinery in the cell. These mechanical inputs cause enlargement of FAs and AJs, while the detailed mechanism for the force-dependent development of FAs and AJs remain unclear. Both FAs and AJs provide sites for tethering of actin filaments and actin polymerization. Here, we develop a cell-free system, in which actin filaments are tethered to glass surfaces, and show that application of tensile force to the tethered filaments in the cell extract induces accumulation of several FA and AJ proteins, associated with further accumulation of actin filaments via de novo actin polymerization. Decline in the tensile force results in a decrease in the amount of the accumulated proteins. These results suggest that the tensile force acting on the tethered actin filaments plays a crucial role in the accumulation of FA and AJ proteins.
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Affiliation(s)
- Daisuke Kiyoshima
- Department of Physiology , Nagoya University Graduate School of Medicine , Nagoya , Aichi 466-8550 , Japan
- Department of Rehabilitation , Aichi Medical College , Kiyosu , Aichi 452-0931 , Japan
| | - Hitoshi Tatsumi
- Department of Physiology , Nagoya University Graduate School of Medicine , Nagoya , Aichi 466-8550 , Japan
- Department of Applied Bioscience, College of Bioscience and Chemistry , Kanazawa Institute of Technology , Hakusan , Ishikawa 924-0838 , Japan
| | - Hiroaki Hirata
- Department of Physiology , Nagoya University Graduate School of Medicine , Nagoya , Aichi 466-8550 , Japan
- Mechanobiology Laboratory , Nagoya University Graduate School of Medicine , Nagoya , Aichi 466-8550 , Japan
| | - Masahiro Sokabe
- Department of Physiology , Nagoya University Graduate School of Medicine , Nagoya , Aichi 466-8550 , Japan
- Mechanobiology Laboratory , Nagoya University Graduate School of Medicine , Nagoya , Aichi 466-8550 , Japan
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45
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Bolger-Munro M, Choi K, Scurll JM, Abraham L, Chappell RS, Sheen D, Dang-Lawson M, Wu X, Priatel JJ, Coombs D, Hammer JA, Gold MR. Arp2/3 complex-driven spatial patterning of the BCR enhances immune synapse formation, BCR signaling and B cell activation. eLife 2019; 8:e44574. [PMID: 31157616 PMCID: PMC6591008 DOI: 10.7554/elife.44574] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 06/01/2019] [Indexed: 12/17/2022] Open
Abstract
When B cells encounter antigens on the surface of an antigen-presenting cell (APC), B cell receptors (BCRs) are gathered into microclusters that recruit signaling enzymes. These microclusters then move centripetally and coalesce into the central supramolecular activation cluster of an immune synapse. The mechanisms controlling BCR organization during immune synapse formation, and how this impacts BCR signaling, are not fully understood. We show that this coalescence of BCR microclusters depends on the actin-related protein 2/3 (Arp2/3) complex, which nucleates branched actin networks. Moreover, in murine B cells, this dynamic spatial reorganization of BCR microclusters amplifies proximal BCR signaling reactions and enhances the ability of membrane-associated antigens to induce transcriptional responses and proliferation. Our finding that Arp2/3 complex activity is important for B cell responses to spatially restricted membrane-bound antigens, but not for soluble antigens, highlights a critical role for Arp2/3 complex-dependent actin remodeling in B cell responses to APC-bound antigens.
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Affiliation(s)
- Madison Bolger-Munro
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverCanada
- Life Sciences Institute, I3 Research GroupUniversity of British ColumbiaVancouverCanada
| | - Kate Choi
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverCanada
- Life Sciences Institute, I3 Research GroupUniversity of British ColumbiaVancouverCanada
| | - Joshua M Scurll
- Department of Mathematics, Institute of Applied MathematicsUniversity of British ColumbiaVancouverCanada
| | - Libin Abraham
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverCanada
- Life Sciences Institute, I3 Research GroupUniversity of British ColumbiaVancouverCanada
- Department of Mathematics, Institute of Applied MathematicsUniversity of British ColumbiaVancouverCanada
| | - Rhys S Chappell
- Department of Mathematics, Institute of Applied MathematicsUniversity of British ColumbiaVancouverCanada
| | - Duke Sheen
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverCanada
- Life Sciences Institute, I3 Research GroupUniversity of British ColumbiaVancouverCanada
| | - May Dang-Lawson
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverCanada
- Life Sciences Institute, I3 Research GroupUniversity of British ColumbiaVancouverCanada
| | - Xufeng Wu
- Cell Biology and Physiology CenterNational Heart, Lung and Blood Institute, National Institutes of HealthBethesdaUnited States
| | - John J Priatel
- Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverCanada
- BC Children’s Hospital Research InstituteVancouverCanada
| | - Daniel Coombs
- Department of Mathematics, Institute of Applied MathematicsUniversity of British ColumbiaVancouverCanada
| | - John A Hammer
- Cell Biology and Physiology CenterNational Heart, Lung and Blood Institute, National Institutes of HealthBethesdaUnited States
| | - Michael R Gold
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverCanada
- Life Sciences Institute, I3 Research GroupUniversity of British ColumbiaVancouverCanada
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46
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Yan H, Wen J, Zhang T, Zheng W, He M, Huang K, Guo Q, Chen Q, Yang Y, Deng G, Xu J, Wei Z, Zhang H, Xia G, Wang C. Oocyte-derived E-cadherin acts as a multiple functional factor maintaining the primordial follicle pool in mice. Cell Death Dis 2019; 10:160. [PMID: 30770786 PMCID: PMC6377673 DOI: 10.1038/s41419-018-1208-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/31/2018] [Accepted: 11/05/2018] [Indexed: 01/06/2023]
Abstract
In mammals, female fecundity is determined by the size of the primordial follicle (PF) pool, which is established during the perinatal period. As a non-renewable resource, the preservation of dormant PFs is crucial for sustaining female reproduction throughout life. Although studies have revealed that several oocyte-derived functional genes and pathways, such as newborn ovary homeobox (NOBOX) and 3-phosphoinositide-dependent protein kinase-1, participate in maintaining the PF pool, our understanding of the underlying molecular mechanisms is still incomplete. Here, we demonstrate that E-cadherin (E-cad) plays a crucial role in the maintenance of PFs in mice. E-cad is specifically localized to the cytomembrane of oocytes in PFs. Knockdown of E-cad in neonatal ovaries resulted in significant PF loss owing to oocyte apoptosis. In addition, the expression pattern of NOBOX is similar to that of E-cad. Knockdown of E-cad resulted in a decreased NOBOX level, whereas overexpression of Nobox partially rescued the follicle loss induced by silencing E-cad. Furthermore, E-cad governed NOBOX expression by regulating the shuttle protein, β-catenin, which acts as a transcriptional co-activator. Notably, E-cad, which is a transmembrane protein expressed in the oocytes, was also responsible for maintaining the PF structure by facilitating cell–cell adhesive contacts with surrounding pregranulosa cells. In conclusion, E-cad in oocytes of PFs plays an indispensable role in the maintenance of the PF pool by facilitating follicular structural stability and regulating NOBOX expression. These findings shed light on the physiology of sustaining female reproduction.
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Affiliation(s)
- Hao Yan
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in the Western China, College of Life Science, NingXia University, Yinchuan, Ningxia, 750021, China.,State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Jia Wen
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Tuo Zhang
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Wenying Zheng
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Meina He
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Kun Huang
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Qirui Guo
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Qian Chen
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Yi Yang
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in the Western China, College of Life Science, NingXia University, Yinchuan, Ningxia, 750021, China
| | - Guangcun Deng
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in the Western China, College of Life Science, NingXia University, Yinchuan, Ningxia, 750021, China
| | - Jinrui Xu
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in the Western China, College of Life Science, NingXia University, Yinchuan, Ningxia, 750021, China
| | - Zhiqing Wei
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in the Western China, College of Life Science, NingXia University, Yinchuan, Ningxia, 750021, China
| | - Hua Zhang
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China.
| | - Guoliang Xia
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in the Western China, College of Life Science, NingXia University, Yinchuan, Ningxia, 750021, China. .,State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China.
| | - Chao Wang
- State Key Laboratory of Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, 100193, China.
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47
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Campbell H, Heidema C, Pilarczyk DG, DeMali KA. SHP-2 is activated in response to force on E-cadherin and dephosphorylates vinculin Y822. J Cell Sci 2018; 131:jcs.216648. [PMID: 30478196 DOI: 10.1242/jcs.216648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 11/16/2018] [Indexed: 11/20/2022] Open
Abstract
The response of cells to mechanical inputs is a key determinant of cell behavior. In response to external forces, E-cadherin initiates signal transduction cascades that allow the cell to modulate its contractility to withstand the force. Much attention has focused on identifying the E-cadherin signaling pathways that promote contractility, but the negative regulators remain undefined. In this study, we identify SHP-2 as a force-activated phosphatase that negatively regulates E-cadherin force transmission by dephosphorylating vinculin Y822. To specifically probe a role for SHP-2 in E-cadherin mechanotransduction, we mutated vinculin so that it retains its phosphorylation but cannot be dephosphorylated. Cells expressing the mutant vinculin have increased contractility. This work provides a mechanism for inactivating E-cadherin mechanotransduction and provides a new method for specifically targeting the action of phosphatases in cells.
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Affiliation(s)
- Hannah Campbell
- Department of Biochemistry and the Interdisciplinary Program in Molecular and Cellular Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Christy Heidema
- Department of Biochemistry and the Interdisciplinary Program in Molecular and Cellular Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Daisy G Pilarczyk
- Department of Biochemistry and the Interdisciplinary Program in Molecular and Cellular Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Kris A DeMali
- Department of Biochemistry and the Interdisciplinary Program in Molecular and Cellular Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
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48
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Abstract
It is increasingly clear that mechanotransduction pathways play important roles in regulating fundamental cellular functions. Of the basic mechanical functions, the determination of cellular morphology is critical. Cells typically use many mechanosensitive steps and different cell states to achieve a polarized shape through repeated testing of the microenvironment. Indeed, morphology is determined by the microenvironment through periodic activation of motility, mechanotesting, and mechanoresponse functions by hormones, internal clocks, and receptor tyrosine kinases. Patterned substrates and controlled environments with defined rigidities limit the range of cell behavior and influence cell state decisions and are thus very useful for studying these steps. The recently defined rigidity sensing process provides a good example of how cells repeatedly test their microenvironment and is also linked to cancer. In general, aberrant extracellular matrix mechanosensing is associated with numerous conditions, including cardiovascular disease, aging, and fibrosis, that correlate with changes in tissue morphology and matrix composition. Hence, detailed descriptions of the steps involved in sensing and responding to the microenvironment are needed to better understand both the mechanisms of tissue homeostasis and the pathomechanisms of human disease.
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Affiliation(s)
- Haguy Wolfenson
- Department of Genetics and Developmental Biology, Rappaport Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel 31096;
| | - Bo Yang
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore;
| | - Michael P Sheetz
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore; .,Department of Biological Sciences, Columbia University, New York, NY 10027, USA
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49
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Tang VW. Cell-cell adhesion interface: orthogonal and parallel forces from contraction, protrusion, and retraction. F1000Res 2018; 7. [PMID: 30345009 PMCID: PMC6173117 DOI: 10.12688/f1000research.15860.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/19/2018] [Indexed: 01/22/2023] Open
Abstract
The epithelial lateral membrane plays a central role in the integration of intercellular signals and, by doing so, is a principal determinant in the emerging properties of epithelial tissues. Mechanical force, when applied to the lateral cell-cell interface, can modulate the strength of adhesion and influence intercellular dynamics. Yet the relationship between mechanical force and epithelial cell behavior is complex and not completely understood. This commentary aims to provide an investigative look at the usage of cellular forces at the epithelial cell-cell adhesion interface.
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Affiliation(s)
- Vivian W Tang
- Department of Cell and Developmental Biology, University of Illinois, Urbana-Champaign, IL, 61801, USA
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50
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Zollinger AJ, Xu H, Figueiredo J, Paredes J, Seruca R, Stamenović D, Smith ML. Dependence of Tensional Homeostasis on Cell Type and on Cell-Cell Interactions. Cell Mol Bioeng 2018; 11:175-184. [PMID: 31719884 PMCID: PMC6816663 DOI: 10.1007/s12195-018-0527-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 05/03/2018] [Indexed: 01/21/2023] Open
Abstract
INTRODUCTION The ability to maintain a homeostatic level of cell tension is essential for many physiological processes. Our group has recently reported that multicellularity is required for tensional homeostasis in endothelial cells. However, other studies have shown that isolated fibroblasts also maintain constant tension over short time scales without the need of cell-cell contacts. Therefore, in this study, our aim was to determine how different cell types regulate tension as isolated cells or in small clustered groupings and to investigate the role of cell-cell adhesion molecules, such as E-cadherin, in this system. METHODS Micropattern traction force microscopy was used to determine how bovine aortic endothelial cells, bovine vascular smooth muscle cells, mouse embryonic fibroblasts, and human gastric adenocarcinoma cells, with or without cell-cell interactions due to E-cadherin, maintain tensional homeostasis over time. Tension temporal fluctuations in single cells and cell clusters were evaluated. RESULTS We found that only endothelial cells require clustering for tensional homeostasis. The same was not verified in fibroblasts or vascular smooth muscle cells. Of relevance, in adenocarcinoma cells, we verified that tensional homeostasis was dependent on the competence of the adhesion molecule E-cadherin at both the single cells and multicellular levels. CONCLUSION These findings indicate that cell-cell contacts may be critical for tensional homeostasis and, potentially, for barrier function of the endothelium. Furthermore, the cell-cell adhesion molecule E-cadherin is an important regulator of tensional homeostasis, even in the absence of cadherin engagement with neighboring cells, which demonstrates its relevance not only as a structural molecule but also as a signaling moiety.
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Affiliation(s)
- Alicia J. Zollinger
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA 02215 USA
| | - Han Xu
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA 02215 USA
| | - Joana Figueiredo
- Instituto de Investigação e Inovação em Saúde (i3S), Porto, Portugal
- The Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - Joana Paredes
- Instituto de Investigação e Inovação em Saúde (i3S), Porto, Portugal
- The Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Medical Faculty of the University of Porto, Porto, Portugal
| | - Raquel Seruca
- Instituto de Investigação e Inovação em Saúde (i3S), Porto, Portugal
- The Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Medical Faculty of the University of Porto, Porto, Portugal
| | - Dimitrije Stamenović
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA 02215 USA
- Division of Material Science and Engineering, Boston University, Brookline, MA 02446 USA
| | - Michael L. Smith
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, MA 02215 USA
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