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Dang J, Huang S, Li S, Liu J, Chen Z, Wang L, Wang J, Chen H, Xu S. Effects of the Biomimetic Microstructure in Electrospun Fiber Sutures and Mechanical Tension on Tissue Repair. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29087-29097. [PMID: 38788159 DOI: 10.1021/acsami.4c01478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
Electrospun microfibers, designed to emulate the extracellular matrix (ECM), play a crucial role in regulating the cellular microenvironment for tissue repair. Understanding their mechanical influence and inherent biological interactions at the ECM interface, however, remains a complex challenge. This study delves into the role of mechanical cues in tissue repair by fabricating Col/PLCL microfibers with varying chemical compositions and alignments that mimic the structure of the ECM. Furthermore, we optimized these microfibers to create the Col/PLCL@PDO aligned suture, with a specific emphasis on mechanical tension in tissue repair. The result reveals that within fibers of identical chemical composition, fibroblast proliferation is more pronounced in aligned fibers than in unaligned ones. Moreover, cells on aligned fibers exhibit an increased aspect ratio. In vivo experiments demonstrated that as the tension increased to a certain level, cell proliferation augmented, cells assumed more elongated morphologies with distinct protrusions, and there was an elevated secretion of collagen III and tension suture, facilitating soft tissue repair. This research illuminates the structural and mechanical dynamics of electrospun fiber scaffolds; it will provide crucial insights for the advancement of precise and controllable tissue engineering materials.
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Affiliation(s)
- Jie Dang
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Shifen Huang
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Shengmei Li
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Jingyao Liu
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Zibo Chen
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Liu Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Jie Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Hao Chen
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Shanshan Xu
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
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2
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Schaart JM, Kea-Te Lindert M, Roverts R, Nijhuis WH, Sommerdijk N, Akiva A. Cell-induced collagen alignment in a 3D in vitro culture during extracellular matrix production. J Struct Biol 2024; 216:108096. [PMID: 38697586 DOI: 10.1016/j.jsb.2024.108096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/24/2024] [Accepted: 04/27/2024] [Indexed: 05/05/2024]
Abstract
The bone extracellular matrix consists of a highly organized collagen matrix that is mineralized with carbonated hydroxyapatite. Even though the structure and composition of bone have been studied extensively, the mechanisms underlying collagen matrix organization remain elusive. In this study, we used a 3D cell culture system in which osteogenic cells deposit and orient the collagen matrix that is subsequently mineralized. Using live fluorescence imaging combined with volume electron microscopy, we visualize the organization of the cells and collagen in the cell culture. We show that the osteogenically induced cells are organizing the collagen matrix during development. Based on the observation of tunnel-like structures surrounded by aligned collagen in the center of the culture, we propose that osteoblasts organize the deposited collagen during migration through the culture. Overall, we show that cell-matrix interactions are involved in collagen alignment during early-stage osteogenic differentiation and that the matrix is organized by the osteoblasts in the absence of osteoclast activity.
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Affiliation(s)
- Judith M Schaart
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein Zuid 28, 6525GA Nijmegen, The Netherlands
| | - Mariska Kea-Te Lindert
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein Zuid 28, 6525GA Nijmegen, The Netherlands; Electron Microscopy Center, Radboudumc Technology Center Microscopy, Radboud University Medical Center, Geert Grooteplein Noord 29, 6525EZ Nijmegen, The Netherlands
| | - Rona Roverts
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein Zuid 28, 6525GA Nijmegen, The Netherlands; Electron Microscopy Center, Radboudumc Technology Center Microscopy, Radboud University Medical Center, Geert Grooteplein Noord 29, 6525EZ Nijmegen, The Netherlands
| | - Wouter H Nijhuis
- Department of Orthopaedic Surgery, University Medical Centre Utrecht, Wilhelmina Children's Hospital, 3508GA Utrecht, The Netherlands
| | - Nico Sommerdijk
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein Zuid 28, 6525GA Nijmegen, The Netherlands; Electron Microscopy Center, Radboudumc Technology Center Microscopy, Radboud University Medical Center, Geert Grooteplein Noord 29, 6525EZ Nijmegen, The Netherlands.
| | - Anat Akiva
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein Zuid 28, 6525GA Nijmegen, The Netherlands; Electron Microscopy Center, Radboudumc Technology Center Microscopy, Radboud University Medical Center, Geert Grooteplein Noord 29, 6525EZ Nijmegen, The Netherlands.
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Han S, Lee G, Kim D, Kim J, Kim I, Kim H, Kim D. Selective Suppression of Integrin-Ligand Binding by Single Molecular Tension Probes Mediates Directional Cell Migration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306497. [PMID: 38311584 PMCID: PMC11005741 DOI: 10.1002/advs.202306497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/04/2024] [Indexed: 02/06/2024]
Abstract
Cell migration interacting with continuously changing microenvironment, is one of the most essential cellular functions, participating in embryonic development, wound repair, immune response, and cancer metastasis. The migration process is finely tuned by integrin-mediated binding to ligand molecules. Although numerous biochemical pathways orchestrating cell adhesion and motility are identified, how subcellular forces between the cell and extracellular matrix regulate intracellular signaling for cell migration remains unclear. Here, it is showed that a molecular binding force across integrin subunits determines directional migration by regulating tension-dependent focal contact formation and focal adhesion kinase phosphorylation. Molecular binding strength between integrin αvβ3 and fibronectin is precisely manipulated by developing molecular tension probes that control the mechanical tolerance applied to cell-substrate interfaces. This data reveals that integrin-mediated molecular binding force reduction suppresses cell spreading and focal adhesion formation, attenuating the focal adhesion kinase (FAK) phosphorylation that regulates the persistence of cell migration. These results further demonstrate that manipulating subcellular binding forces at the molecular level can recapitulate differential cell migration in response to changes of substrate rigidity that determines the physical condition of extracellular microenvironment. Novel insights is provided into the subcellular mechanics behind global mechanical adaptation of the cell to surrounding tissue environments featuring distinct biophysical signatures.
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Affiliation(s)
- Seong‐Beom Han
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Geonhui Lee
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Daesan Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Jeong‐Ki Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - In‐San Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
- Biomedical Research CenterKorea Institute of Science and TechnologySeoul02792Republic of Korea
| | - Hae‐Won Kim
- Institute of Tissue Regeneration Engineering (ITREN)Dankook UniversityCheonan31116Republic of Korea
- Department of Biomaterials Science in College of Dentistry & Department of Nanobiomedical Science in Graduate SchoolDankook UniversityCheonan31116Republic of Korea
| | - Dong‐Hwee Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
- Biomedical Research CenterKorea Institute of Science and TechnologySeoul02792Republic of Korea
- Department of Integrative Energy EngineeringCollege of EngineeringKorea UniversitySeoul02841Republic of Korea
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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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5
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Liang C, Wang G, Liang C, Li M, Sun Y, Tian W, Liao L. Hierarchically patterned triple-layered gelatin-based electrospun membrane functionalized by cell-specific extracellular matrix for periodontal regeneration. Dent Mater 2024; 40:90-101. [PMID: 37923673 DOI: 10.1016/j.dental.2023.10.022] [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: 07/27/2023] [Revised: 10/17/2023] [Accepted: 10/25/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVES Regenerating the periodontium poses a critical challenge in oral medicine. To repair various periodontal defects, it is necessary to adopt a bio-scaffold that provides both the architecture and bioactive cues for local stem cells to migrate, reside, proliferate, and differentiate. The objective of this study is to combine a cell-specific decellularized extracellular matrix (ECM) and a biomimetic electrospinning scaffold to regenerate severely destructed periodontium. METHODS SEM, water contact angle (WCA), live/dead staining, swelling ratio, tensile test and immune-fluorescent staining were used to define the suitable topography for certain dental stem cells seeding and culturing. Transwell assay, CCK-8, Alizarin Red staining and PCR immune-fluorescent staining were used to determine ideal cell-specific ECM for PDLSCs/BMSCs migration, viability, and oriented differentiation. A biodegradable triple-layered electrospun scaffold (TLS) was fabricated by electrospinning with aligned fibers on both surfaces and a polyporous structure in the middle. The morphology and inter-porous structure of the TLS were characterized by SEM and mercury intrusion porosimetry (MIP). The surface of the TLS was functionalized with cell-specific ECM (Bi-ECM-TLS) through decellularization of the cell sheets cultured on the scaffold. The regenerative outcome of Bi-ECM-TLS was assessed by an in-situ rat periodontal defect model. Micro-CT, HE-staining, Masson's trichome staining, Sirius Red staining and Immunofluorescent staining were used for histological analysis. RESULTS Aligned Gelatin/PCL fibrous membrane (GPA) was most effective for both PDLSCs and BMSCs in culture with WCA around 50 degrees and better mechanical strength than the rest. MSCs favored the same type of ECM (cell-specific ECM), and their regenerative properties were effectively induced with better chemotaxis, proliferative and differentiating behaviors. TLS characterization showed that TLS possessed aligned-random-aligned structure and inter-porous structure. In a rat model of periodontal defects, the TLS functionalized by BMSC-specific ECM for bone regeneration and PDLSC-specific ECM demonstrated highest BV/TV ratio, best bone structure and ligament fiber orientation and blood vessel formation, suggesting optimal performance in regenerating both alveolar bone and periodontal ligaments over TLS, single-ECM loaded TLS and r-Bi-ECM-TLS. SIGNIFICANCE This study highlights the importance of combining a cell-specific decellularized ECM and a biomimetic electrospinning scaffold for targeted periodontal tissue regeneration, with potential implications for periodontal tissue engineering and improved patient outcomes.
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Affiliation(s)
- Chao Liang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Guanyu Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Cheng Liang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Maojiao Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Yanping Sun
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Weidong Tian
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China.
| | - Li Liao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China.
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Shimpi AA, Williams ED, Ling L, Tamir T, White FM, Fischbach C. Phosphoproteomic Changes Induced by Cell-Derived Matrix and Their Effect on Tumor Cell Migration and Cytoskeleton Remodeling. ACS Biomater Sci Eng 2023; 9:6835-6848. [PMID: 38015076 DOI: 10.1021/acsbiomaterials.3c01034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Increased fibrotic extracellular matrix (ECM) deposition promotes tumor invasion, which is the first step of the metastatic cascade. Yet, the underlying mechanisms are poorly understood as conventional studies of tumor cell migration are often performed in 2D cultures lacking the compositional and structural complexity of native ECM. Moreover, these studies frequently focus on select candidate pathways potentially overlooking other relevant changes in cell signaling. Here, we combine a cell-derived matrix (CDM) model with phosphotyrosine phosphoproteomic analysis to investigate tumor cell migration on fibrotic ECM relative to standard tissue culture plastic (TCP). Our results suggest that tumor cells cultured on CDMs migrate faster and in a more directional manner than their counterparts on TCP. These changes in migration correlate with decreased cell spreading and increased cell elongation. While the formation of phosphorylated focal adhesion kinase (pFAK)+ adhesion complexes did not vary between TCP and CDMs, time-dependent phosphoproteomic analysis identified that the SRC family kinase LYN may be differentially regulated. Pharmacological inhibition of LYN decreased tumor cell migration and cytoskeletal rearrangement on CDMs and also on TCP, suggesting that LYN regulates tumor cell migration on CDMs in combination with other mechanisms. These data highlight how the combination of physicochemically complex in vitro systems with phosphoproteomics can help identify signaling mechanisms by which the fibrotic ECM regulates tumor cell migration.
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Affiliation(s)
- Adrian A Shimpi
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Erik D Williams
- Department of Information Science, Cornell University, Ithaca, New York 14853, United States
| | - Lu Ling
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Tigist Tamir
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 023139, United States
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 023139, United States
| | - Forest M White
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 023139, United States
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 023139, United States
| | - Claudia Fischbach
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States
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7
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Krajnik A, Nimmer E, Brazzo JA, Biber JC, Drewes R, Tumenbayar BI, Sullivan A, Pham K, Krug A, Heo Y, Kolega J, Heo SJ, Lee K, Weil BR, Kim DH, Gupte SA, Bae Y. Survivin regulates intracellular stiffness and extracellular matrix production in vascular smooth muscle cells. APL Bioeng 2023; 7:046104. [PMID: 37868708 PMCID: PMC10590228 DOI: 10.1063/5.0157549] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/05/2023] [Indexed: 10/24/2023] Open
Abstract
Vascular dysfunction is a common cause of cardiovascular diseases characterized by the narrowing and stiffening of arteries, such as atherosclerosis, restenosis, and hypertension. Arterial narrowing results from the aberrant proliferation of vascular smooth muscle cells (VSMCs) and their increased synthesis and deposition of extracellular matrix (ECM) proteins. These, in turn, are modulated by arterial stiffness, but the mechanism for this is not fully understood. We found that survivin is an important regulator of stiffness-mediated ECM synthesis and intracellular stiffness in VSMCs. Whole-transcriptome analysis and cell culture experiments showed that survivin expression is upregulated in injured femoral arteries in mice and in human VSMCs cultured on stiff fibronectin-coated hydrogels. Suppressed expression of survivin in human VSMCs significantly decreased the stiffness-mediated expression of ECM components related to arterial stiffening, such as collagen-I, fibronectin, and lysyl oxidase. By contrast, expression of these ECM proteins was rescued by ectopic expression of survivin in human VSMCs cultured on soft hydrogels. Interestingly, atomic force microscopy analysis showed that suppressed or ectopic expression of survivin decreases or increases intracellular stiffness, respectively. Furthermore, we observed that inhibiting Rac and Rho reduces survivin expression, elucidating a mechanical pathway connecting intracellular tension, mediated by Rac and Rho, to survivin induction. Finally, we found that survivin inhibition decreases FAK phosphorylation, indicating that survivin-dependent intracellular tension feeds back to maintain signaling through FAK. These findings suggest a novel mechanism by which survivin potentially modulates arterial stiffness.
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Affiliation(s)
- Amanda Krajnik
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Erik Nimmer
- Department of Biomedical Engineering, School of Engineering and Applied Sciences, University at Buffalo, Buffalo, New York 14260, USA
| | - Joseph A. Brazzo
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - John C. Biber
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Rhonda Drewes
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Bat-Ider Tumenbayar
- Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Andra Sullivan
- Department of Biomedical Engineering, School of Engineering and Applied Sciences, University at Buffalo, Buffalo, New York 14260, USA
| | - Khanh Pham
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Alanna Krug
- Department of Biomedical Engineering, School of Engineering and Applied Sciences, University at Buffalo, Buffalo, New York 14260, USA
| | | | - John Kolega
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Su-Jin Heo
- Department of Orthopedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | | | - Brian R. Weil
- Department of Physiology and Biophysics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, USA
| | - Deok-Ho Kim
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland 21205, USA
| | - Sachin A. Gupte
- Department of Pharmacology, New York Medical College, Valhalla, New York 10595, USA
| | - Yongho Bae
- Author to whom correspondence should be addressed:
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8
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Bril M, Saberi A, Jorba I, van Turnhout MC, Sahlgren CM, Bouten CV, Schenning AP, Kurniawan NA. Shape-Morphing Photoresponsive Hydrogels Reveal Dynamic Topographical Conditioning of Fibroblasts. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303136. [PMID: 37740666 PMCID: PMC10625123 DOI: 10.1002/advs.202303136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 08/22/2023] [Indexed: 09/25/2023]
Abstract
The extracellular environment defines a physical boundary condition with which cells interact. However, to date, cell response to geometrical environmental cues is largely studied in static settings, which fails to capture the spatiotemporally varying cues cells receive in native tissues. Here, a photoresponsive spiropyran-based hydrogel is presented as a dynamic, cell-compatible, and reconfigurable substrate. Local stimulation with blue light (455 nm) alters hydrogel swelling, resulting in on-demand reversible micrometer-scale changes in surface topography within 15 min, allowing investigation into cell response to controlled geometry actuations. At short term (1 h after actuation), fibroblasts respond to multiple rounds of recurring topographical changes by reorganizing their nucleus and focal adhesions (FA). FAs form primarily at the dynamic regions of the hydrogel; however, this propensity is abolished when the topography is reconfigured from grooves to pits, demonstrating that topographical changes dynamically condition fibroblasts. Further, this dynamic conditioning is found to be associated with long-term (72 h) maintenance of focal adhesions and epigenetic modifications. Overall, this study offers a new approach to dissect the dynamic interplay between cells and their microenvironment and shines a new light on the cell's ability to adapt to topographical changes through FA-based mechanotransduction.
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Affiliation(s)
- Maaike Bril
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
| | - Aref Saberi
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
| | - Ignasi Jorba
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
| | - Mark C. van Turnhout
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
| | - Cecilia M. Sahlgren
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Faculty of Science and EngineeringÅbo Akademi UniversityTurkuFI‐20520Finland
| | - Carlijn V.C. Bouten
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
| | - Albert P.H.J. Schenning
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Department of Chemical Engineering & ChemistryEindhoven University of TechnologyEindhoven5612 AEThe Netherlands
| | - Nicholas A. Kurniawan
- Department of Biomedical EngineeringEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyEindhoven5600 MBThe Netherlands
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9
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Grolleman J, van Engeland NCA, Raza M, Azimi S, Conte V, Sahlgren CM, Bouten CVC. Environmental stiffness restores mechanical homeostasis in vimentin-depleted cells. Sci Rep 2023; 13:18374. [PMID: 37884575 PMCID: PMC10603057 DOI: 10.1038/s41598-023-44835-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023] Open
Abstract
Recent experimental evidence indicates a role for the intermediate filament vimentin in regulating cellular mechanical homeostasis, but its precise contribution remains to be discovered. Mechanical homeostasis requires a balanced bi-directional interplay between the cell's microenvironment and the cellular morphological and mechanical state-this balance being regulated via processes of mechanotransduction and mechanoresponse, commonly referred to as mechanoreciprocity. Here, we systematically analyze vimentin-expressing and vimentin-depleted cells in a swatch of in vitro cellular microenvironments varying in stiffness and/or ECM density. We find that vimentin-expressing cells maintain mechanical homeostasis by adapting cellular morphology and mechanics to micromechanical changes in the microenvironment. However, vimentin-depleted cells lose this mechanoresponse ability on short timescales, only to reacquire it on longer time scales. Indeed, we find that the morphology and mechanics of vimentin-depleted cell in stiffened microenvironmental conditions can get restored to the homeostatic levels of vimentin-expressing cells. Additionally, we observed vimentin-depleted cells increasing collagen matrix synthesis and its crosslinking, a phenomenon which is known to increase matrix stiffness, and which we now hypothesize to be a cellular compensation mechanism for the loss of vimentin. Taken together, our findings provide further insight in the regulating role of intermediate filament vimentin in mediating mechanoreciprocity and mechanical homeostasis.
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Affiliation(s)
- Janine Grolleman
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands
| | - Nicole C A van Engeland
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands
- Faculty of Science and Engineering, Cell Biology, Åbobo Akademi University, 20520, Turku, Finland
| | - Minahil Raza
- Faculty of Science and Engineering, Information Technology, Åbobo Akademi University, 20500, Turku, Finland
| | - Sepinoud Azimi
- Faculty of Science and Engineering, Information Technology, Åbobo Akademi University, 20500, Turku, Finland
- Department of Information and Communication Technology, Technology, Policy and Management, Delft University of Technology, Delft, 2600GA, The Netherlands
| | - Vito Conte
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands.
- Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, 08036, Barcelona, Spain.
| | - Cecilia M Sahlgren
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands.
- Faculty of Science and Engineering, Cell Biology, Åbobo Akademi University, 20520, Turku, Finland.
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands.
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10
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Honasoge KS, Karagöz Z, Goult BT, Wolfenson H, LaPointe VLS, Carlier A. Force-dependent focal adhesion assembly and disassembly: A computational study. PLoS Comput Biol 2023; 19:e1011500. [PMID: 37801464 PMCID: PMC10584152 DOI: 10.1371/journal.pcbi.1011500] [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: 02/07/2023] [Revised: 10/18/2023] [Accepted: 09/07/2023] [Indexed: 10/08/2023] Open
Abstract
Cells interact with the extracellular matrix (ECM) via cell-ECM adhesions. These physical interactions are transduced into biochemical signals inside the cell which influence cell behaviour. Although cell-ECM interactions have been studied extensively, it is not completely understood how immature (nascent) adhesions develop into mature (focal) adhesions and how mechanical forces influence this process. Given the small size, dynamic nature and short lifetimes of nascent adhesions, studying them using conventional microscopic and experimental techniques is challenging. Computational modelling provides a valuable resource for simulating and exploring various "what if?" scenarios in silico and identifying key molecular components and mechanisms for further investigation. Here, we present a simplified mechano-chemical model based on ordinary differential equations with three major proteins involved in adhesions: integrins, talin and vinculin. Additionally, we incorporate a hypothetical signal molecule that influences adhesion (dis)assembly rates. We find that assembly and disassembly rates need to vary dynamically to limit maturation of nascent adhesions. The model predicts biphasic variation of actin retrograde velocity and maturation fraction with substrate stiffness, with maturation fractions between 18-35%, optimal stiffness of ∼1 pN/nm, and a mechanosensitive range of 1-100 pN/nm, all corresponding to key experimental findings. Sensitivity analyses show robustness of outcomes to small changes in parameter values, allowing model tuning to reflect specific cell types and signaling cascades. The model proposes that signal-dependent disassembly rate variations play an underappreciated role in maturation fraction regulation, which should be investigated further. We also provide predictions on the changes in traction force generation under increased/decreased vinculin concentrations, complementing previous vinculin overexpression/knockout experiments in different cell types. In summary, this work proposes a model framework to robustly simulate the mechanochemical processes underlying adhesion maturation and maintenance, thereby enhancing our fundamental knowledge of cell-ECM interactions.
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Affiliation(s)
- Kailas Shankar Honasoge
- Department of Cell Biology–Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, the Netherlands
| | - Zeynep Karagöz
- Department of Cell Biology–Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, the Netherlands
| | - Benjamin T. Goult
- School of Biosciences, University of Kent, Canterbury, United Kingdom
| | - Haguy Wolfenson
- Department of Genetics and Developmental Biology, Rappaport Faculty of Medicine, Technion – Israel Institute of Technology, Haifa, Israel
| | - Vanessa L. S. LaPointe
- Department of Cell Biology–Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, the Netherlands
| | - Aurélie Carlier
- Department of Cell Biology–Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, the Netherlands
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11
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Wang L, Cui Z, Li N, Liang G, Zhang X, Wang Y, Li D, Li X, Zhang S, Zhang L. Comparative proteomics reveals Cryptosporidium parvum infection disrupts cellular barriers. J Proteomics 2023; 287:104969. [PMID: 37463621 DOI: 10.1016/j.jprot.2023.104969] [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: 05/17/2023] [Revised: 07/01/2023] [Accepted: 07/08/2023] [Indexed: 07/20/2023]
Abstract
Cryptosporidium is a protozoan parasite capable of infecting humans and animals and is a leading cause of diarrheal disease and early childhood mortality. The molecular mechanisms underlying invasive infection and its pathogenesis remain largely unknown. To better understand the molecular mechanism of the interaction between C. parvum and host cells, we profiled the changes of host cells membrane proteins extracted using native membrane protein extraction kit between C. parvum-infected HCT-8 cells and the control group after C. parvum infected 6 h combined with quantitative Tandem Mass Tags (TMT) liquid chromatography-dual mass spectrometry proteomic analysis. Among the 4844 quantifiable proteins identified, the expression levels of 625 were upregulated, and those of 116 were downregulated at 6 h post-infection compared with controls (1.5-fold difference in abundance, p < 0.05). Enrichment analysis of the function, protein domain and Kyoto Encyclopedia of Genes and Genomes pathway of the differentially expressed proteins revealed that the differentially expressed proteins were mainly related to biological functions related to the cytoskeleton and cytoplasmic matrix. We also found that infection with C. parvum may destroy HCT-8 intercellular space adhesion. Six proteins were further verified using quantitative real-time reverse transcription polymerase chain reaction and western blotting. Through systematic analysis of proteomics related to HCT-8 cell membranes infected by C. parvum, we found many host membrane proteins that can serve as potential receptors in C. parvum adhesion or invasion. C. parvum infection destroyed host cell barrier function and caused extensive changes in host cytoskeleton proteins, providing a deeper understanding of the molecules and their functions involved in the host-C. parvum interaction. SIGNIFICANCE: There is a lack of systematic research on the molecular mechanisms underlying the interaction of C. parvum with host cells. Changes of host cell membrane proteins after C. parvum infection may be used to examine the host cell receptors for parasite adhesion and invasion, and how the parasite interacts with these receptors. It is of great significance that host cells undergo membrane fusion to mediate invasion. Through proteomic studies on the host cell membrane after infection with HCT-8 cells by C. parvum, we observed disruption of the host cell cellular barrier function and widespread alteration of host cytoskeletal proteins caused by C. parvum infection, providing a deeper understanding of the molecules and their functions involved in host-C. parvum interaction.
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Affiliation(s)
- Luyang Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China
| | - Zhaohui Cui
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China; Key Laboratory of Biomarker Based Rapid-Detection Technology for Food Safety of Henan Province, Food and Pharmacy College, Xuchang University, Xuchang, China
| | - Na Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China
| | - Guanda Liang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China
| | - Xiaotian Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China
| | - Yuexin Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China
| | - Dongfang Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Xiaoying Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China.
| | - Sumei Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China.
| | - Longxian Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China.; Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs, PR China.
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12
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Shi W, Gao Y, Wu Y, Tang Y, Bian L, Que Y, Lv L, Xu B, Tang H, Lu X, Wang Q. Human nasal mucosa ectomesenchymal stem cells derived extracellular vesicles loaded omentum/chitosan composite scaffolds enhance skull defects regeneration. Int J Biol Macromol 2023; 248:125924. [PMID: 37481184 DOI: 10.1016/j.ijbiomac.2023.125924] [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: 05/26/2023] [Revised: 07/16/2023] [Accepted: 07/19/2023] [Indexed: 07/24/2023]
Abstract
Engineered bone tissue that can promote osteogenic differentiation is considered an ideal substitute for materials to heal bone defects. Extracellular vesicle (EV)-based cell-free regenerative therapies represent an emerging promising alternative for bone tissue engineering. We hypothesized that EVs derived from human nasal mucosa-derived ectomesenchymal stem cells (hEMSCs) can promote bone tissue regeneration. Herein, hEMSCs were cultured with osteogenic induction medium or normal medium to generate two types of EVs. We first demonstrated that the two EVs exhibited strong potential to promote rat suture mesenchymal stem cell (SMSC) osteogenesis by transferring TG2 to SMSCs and regulating extracellular matrix (ECM) synthesis. Next, we developed a composite hydrogel made of porcine omentum and chitosan into which EVs were adsorbed to enable the effective delivery of EVs with sustained release kinetics. Implantation of the EV-loaded hydrogels in a critical-size rat cranial defect model significantly promoted bone regeneration. Therefore, we suggest that our hEMSC-derived EV-loading system can serve as a new therapeutic paradigm for promoting bone tissue regeneration in the clinic.
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Affiliation(s)
- Wentao Shi
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China; Central laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu Province 211300, PR China.
| | - Yan Gao
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Yiqing Wu
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Yushi Tang
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China
| | - Lu Bian
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China; Central laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu Province 211300, PR China
| | - Yunduan Que
- Central laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu Province 211300, PR China
| | - Long Lv
- Central laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu Province 211300, PR China
| | - Bai Xu
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Hong Tang
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China; Wuxi neurosurgical Institute, Wuxi, Jiangsu Province 214122, PR China
| | - Xiaojie Lu
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China; Wuxi neurosurgical Institute, Wuxi, Jiangsu Province 214122, PR China.
| | - Qing Wang
- Department of Neurosurgery, Jiangnan University Medical Center, Wuxi, Jiangsu Province 214122, PR China; Neuroscience Center, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China; Wuxi neurosurgical Institute, Wuxi, Jiangsu Province 214122, PR China.
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13
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Steinberg T, Dieterle MP, Ramminger I, Klein C, Brossette J, Husari A, Tomakidi P. On the Value of In Vitro Cell Systems for Mechanobiology from the Perspective of Yes-Associated Protein/Transcriptional Co-Activator with a PDZ-Binding Motif and Focal Adhesion Kinase and Their Involvement in Wound Healing, Cancer, Aging, and Senescence. Int J Mol Sci 2023; 24:12677. [PMID: 37628858 PMCID: PMC10454169 DOI: 10.3390/ijms241612677] [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: 05/17/2023] [Revised: 07/21/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
Mechanobiology comprises how cells perceive different mechanical stimuli and integrate them into a process called mechanotransduction; therefore, the related mechanosignaling cascades are generally important for biomedical research. The ongoing discovery of key molecules and the subsequent elucidation of their roles in mechanobiology are fundamental to understanding cell responses and tissue conditions, such as homeostasis, aging, senescence, wound healing, and cancer. Regarding the available literature on these topics, it becomes abundantly clear that in vitro cell systems from different species and tissues have been and are extremely valuable tools for enabling the discovery and functional elucidation of key mechanobiological players. Therefore, this review aims to discuss the significant contributions of in vitro cell systems to the identification and characterization of three such key players using the selected examples of yes-associated protein (YAP), its paralog transcriptional co-activator with a PDZ-binding motif (TAZ), and focal adhesion kinase (FAK) and their involvement in wound healing, cancer, aging, and senescence. In addition, the reader is given suggestions as to which future prospects emerge from the in vitro studies discussed herein and which research questions still remain open.
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Affiliation(s)
- Thorsten Steinberg
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Martin Philipp Dieterle
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Imke Ramminger
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
- Faculty of Biology, University of Freiburg, Schaenzlestr. 1, 79104 Freiburg, Germany
| | - Charlotte Klein
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Julie Brossette
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
- Faculty of Biology, University of Freiburg, Schaenzlestr. 1, 79104 Freiburg, Germany
| | - Ayman Husari
- Center for Dental Medicine, Department of Orthodontics, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Pascal Tomakidi
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
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14
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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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15
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Park JYC, King A, Björk V, English BW, Fedintsev A, Ewald CY. Strategic outline of interventions targeting extracellular matrix for promoting healthy longevity. Am J Physiol Cell Physiol 2023; 325:C90-C128. [PMID: 37154490 DOI: 10.1152/ajpcell.00060.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
The extracellular matrix (ECM), composed of interlinked proteins outside of cells, is an important component of the human body that helps maintain tissue architecture and cellular homeostasis. As people age, the ECM undergoes changes that can lead to age-related morbidity and mortality. Despite its importance, ECM aging remains understudied in the field of geroscience. In this review, we discuss the core concepts of ECM integrity, outline the age-related challenges and subsequent pathologies and diseases, summarize diagnostic methods detecting a faulty ECM, and provide strategies targeting ECM homeostasis. To conceptualize this, we built a technology research tree to hierarchically visualize possible research sequences for studying ECM aging. This strategic framework will hopefully facilitate the development of future research on interventions to restore ECM integrity, which could potentially lead to the development of new drugs or therapeutic interventions promoting health during aging.
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Affiliation(s)
- Ji Young Cecilia Park
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
| | - Aaron King
- Foresight Institute, San Francisco, California, United States
| | | | - Bradley W English
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | | | - Collin Y Ewald
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
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16
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Urciuolo F, Imparato G, Netti PA. In vitro strategies for mimicking dynamic cell-ECM reciprocity in 3D culture models. Front Bioeng Biotechnol 2023; 11:1197075. [PMID: 37434756 PMCID: PMC10330728 DOI: 10.3389/fbioe.2023.1197075] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/01/2023] [Indexed: 07/13/2023] Open
Abstract
The extracellular microenvironment regulates cell decisions through the accurate presentation at the cell surface of a complex array of biochemical and biophysical signals that are mediated by the structure and composition of the extracellular matrix (ECM). On the one hand, the cells actively remodel the ECM, which on the other hand affects cell functions. This cell-ECM dynamic reciprocity is central in regulating and controlling morphogenetic and histogenetic processes. Misregulation within the extracellular space can cause aberrant bidirectional interactions between cells and ECM, resulting in dysfunctional tissues and pathological states. Therefore, tissue engineering approaches, aiming at reproducing organs and tissues in vitro, should realistically recapitulate the native cell-microenvironment crosstalk that is central for the correct functionality of tissue-engineered constructs. In this review, we will describe the most updated bioengineering approaches to recapitulate the native cell microenvironment and reproduce functional tissues and organs in vitro. We have highlighted the limitations of the use of exogenous scaffolds in recapitulating the regulatory/instructive and signal repository role of the native cell microenvironment. By contrast, strategies to reproduce human tissues and organs by inducing cells to synthetize their own ECM acting as a provisional scaffold to control and guide further tissue development and maturation hold the potential to allow the engineering of fully functional histologically competent three-dimensional (3D) tissues.
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Affiliation(s)
- F. Urciuolo
- Interdisciplinary Research Centre on Biomaterials (CRIB), University of Naples Federico II, Naples, Italy
- Department of Chemical Materials and Industrial Production (DICMAPI), University of Naples Federico II, Naples, Italy
- Center for Advanced Biomaterials for HealthCare@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
| | - G. Imparato
- Center for Advanced Biomaterials for HealthCare@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
| | - P. A. Netti
- Interdisciplinary Research Centre on Biomaterials (CRIB), University of Naples Federico II, Naples, Italy
- Department of Chemical Materials and Industrial Production (DICMAPI), University of Naples Federico II, Naples, Italy
- Center for Advanced Biomaterials for HealthCare@CRIB, Istituto Italiano di Tecnologia, Naples, Italy
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17
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Estep JA, Sun LO, Riccomagno MM. A luciferase fragment complementation assay to detect focal adhesion kinase (FAK) signaling events. Heliyon 2023; 9:e15282. [PMID: 37089315 PMCID: PMC10119766 DOI: 10.1016/j.heliyon.2023.e15282] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/08/2023] Open
Abstract
Integrin Adhesion Complexes (IACs) serve as links between the cytoskeleton and extracellular environment, acting as mechanosensing and signaling hubs. As such, IACs participate in many aspects of cellular motility, tissue morphogenesis, anchorage-dependent growth and cell survival. Focal Adhesion Kinase (FAK) has emerged as a critical organizer of IAC signaling events due to its early recruitment and diverse substrates, and thus has become a genetic and therapeutic target. Here we present the design and characterization of simple, reversible, and scalable Bimolecular Complementation sensors to monitor FAK phosphorylation in living cells. These probes provide novel means to quantify IAC signaling, expanding on the currently available toolkit for interrogating FAK phosphorylation during diverse cellular processes.
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Affiliation(s)
- Jason A. Estep
- Cell, Molecular and Developmental Biology Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA 92521, USA
| | - Lu O. Sun
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Martin M. Riccomagno
- Cell, Molecular and Developmental Biology Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA 92521, USA
- Neuroscience Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA 92521, USA
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18
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Xie N, Xiao C, Shu Q, Cheng B, Wang Z, Xue R, Wen Z, Wang J, Shi H, Fan D, Liu N, Xu F. Cell response to mechanical microenvironment cues via Rho signaling: From mechanobiology to mechanomedicine. Acta Biomater 2023; 159:1-20. [PMID: 36717048 DOI: 10.1016/j.actbio.2023.01.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 01/10/2023] [Accepted: 01/17/2023] [Indexed: 01/30/2023]
Abstract
Mechanical cues in the cell microenvironment such as those from extracellular matrix properties, stretching, compression and shear stress, play a critical role in maintaining homeostasis. Upon sensing mechanical stimuli, cells can translate these external forces into intracellular biochemical signals to regulate their cellular behaviors, but the specific mechanisms of mechanotransduction at the molecular level remain elusive. As a subfamily of the Ras superfamily, Rho GTPases have been recognized as key intracellular mechanotransduction mediators that can regulate multiple cell activities such as proliferation, migration and differentiation as well as biological processes such as cytoskeletal dynamics, metabolism, and organ development. However, the upstream mechanosensors for Rho proteins and downstream effectors that respond to Rho signal activation have not been well illustrated. Moreover, Rho-mediated mechanical signals in previous studies are highly context-dependent. In this review, we systematically summarize the types of mechanical cues in the cell microenvironment and provide recent advances on the roles of the Rho-based mechanotransduction in various cell activities, physiological processes and diseases. Comprehensive insights into the mechanical roles of Rho GTPase partners would open a new paradigm of mechanomedicine for a variety of diseases. STATEMENT OF SIGNIFICANCE: In this review, we highlight the critical role of Rho GTPases as signal mediators to respond to physical cues in microenvironment. This article will add a distinct contribution to this set of knowledge by intensively addressing the relationship between Rho signaling and mechanobiology/mechanotransduction/mechanomedcine. This topic has not been discussed by the journal, nor has it yet been developed by the field. The comprehensive picture that will develop, from molecular mechanisms and engineering methods to disease treatment strategies, represents an important and distinct contribution to the field. We hope that this review would help researchers in various fields, especially clinicians, oncologists and bioengineers, who study Rho signal pathway and mechanobiology/mechanotransduction, understand the critical role of Rho GTPase in mechanotransduction.
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Affiliation(s)
- Ning Xie
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Cailan Xiao
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Qiuai Shu
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Bo Cheng
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Ziwei Wang
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Runxin Xue
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Zhang Wen
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Jinhai Wang
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Haitao Shi
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Daiming Fan
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an Shaanxi 710049, China.
| | - Na Liu
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.
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19
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Cadamuro F, Nicotra F, Russo L. 3D printed tissue models: From hydrogels to biomedical applications. J Control Release 2023; 354:726-745. [PMID: 36682728 DOI: 10.1016/j.jconrel.2023.01.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 01/09/2023] [Accepted: 01/16/2023] [Indexed: 01/24/2023]
Abstract
The development of new advanced constructs resembling structural and functional properties of human organs and tissues requires a deep knowledge of the morphological and biochemical properties of the extracellular matrices (ECM), and the capacity to reproduce them. Manufacturing technologies like 3D printing and bioprinting represent valuable tools for this purpose. This review will describe how morphological and biochemical properties of ECM change in different tissues, organs, healthy and pathological states, and how ECM mimics with the required properties can be generated by 3D printing and bioprinting. The review describes and classifies the polymeric materials of natural and synthetic origin exploited to generate the hydrogels acting as "inks" in the 3D printing process, with particular emphasis on their functionalization allowing crosslinking and conjugation with signaling molecules to develop bio-responsive and bio-instructive ECM mimics.
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Affiliation(s)
- Francesca Cadamuro
- University of Milano-Bicocca, Department of Biotechnology and Biosciences, Piazza della Scienza 2, 20126 Milano, Italy
| | - Francesco Nicotra
- University of Milano-Bicocca, Department of Biotechnology and Biosciences, Piazza della Scienza 2, 20126 Milano, Italy
| | - Laura Russo
- University of Milano-Bicocca, Department of Biotechnology and Biosciences, Piazza della Scienza 2, 20126 Milano, Italy; CÚRAM, SFI Research Centre for Medical Devices, University of Galway, H91 W2TY Galway, Ireland.
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20
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Kort-Mascort J, Flores-Torres S, Peza-Chavez O, Jang JH, Pardo LA, Tran SD, Kinsella J. Decellularized ECM hydrogels: prior use considerations, applications, and opportunities in tissue engineering and biofabrication. Biomater Sci 2023; 11:400-431. [PMID: 36484344 DOI: 10.1039/d2bm01273a] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Tissue development, wound healing, pathogenesis, regeneration, and homeostasis rely upon coordinated and dynamic spatial and temporal remodeling of extracellular matrix (ECM) molecules. ECM reorganization and normal physiological tissue function, require the establishment and maintenance of biological, chemical, and mechanical feedback mechanisms directed by cell-matrix interactions. To replicate the physical and biological environment provided by the ECM in vivo, methods have been developed to decellularize and solubilize tissues which yield organ and tissue-specific bioactive hydrogels. While these biomaterials retain several important traits of the native ECM, the decellularizing process, and subsequent sterilization, and solubilization result in fragmented, cleaved, or partially denatured macromolecules. The final product has decreased viscosity, moduli, and yield strength, when compared to the source tissue, limiting the compatibility of isolated decellularized ECM (dECM) hydrogels with fabrication methods such as extrusion bioprinting. This review describes the physical and bioactive characteristics of dECM hydrogels and their role as biomaterials for biofabrication. In this work, critical variables when selecting the appropriate tissue source and extraction methods are identified. Common manual and automated fabrication techniques compatible with dECM hydrogels are described and compared. Fabrication and post-manufacturing challenges presented by the dECM hydrogels decreased mechanical and structural stability are discussed as well as circumvention strategies. We further highlight and provide examples of the use of dECM hydrogels in tissue engineering and their role in fabricating complex in vitro 3D microenvironments.
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Affiliation(s)
| | | | - Omar Peza-Chavez
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
| | - Joyce H Jang
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
| | | | - Simon D Tran
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
| | - Joseph Kinsella
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
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21
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Intelligent Polymeric Biomaterials Surface Driven by Plasma Processing. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2023. [DOI: 10.1016/j.cobme.2022.100440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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22
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Niu D, Zhang Y, Chen J, Li D, He C, Liu H. Mechanobiology Platform Realized Using Photomechanical Mxene Nanocomposites: Bilayer Photoactuator Design and In Vitro Mechanical Forces Stimulation. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6869. [PMID: 36234210 PMCID: PMC9570783 DOI: 10.3390/ma15196869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/25/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Mechanotransduction is the process by which cells convert external forces and physical constraints into biochemical signals that control several aspects of cellular behavior. A number of approaches have been proposed to investigate the mechanisms of mechanotransduction; however, it remains a great challenge to develop a platform for dynamic multivariate mechanical stimulation of single cells and small colonies of cells. In this study, we combined polydimethylsiloxane (PDMS) and PDMS/Mxene nanoplatelets (MNPs) to construct a soft bilayer nanocomposite for extracellular mechanical stimulation. Fast backlash actuation of the bilayer as a result of near-infrared irradiation caused mechanical force stimulation of cells in a controllable manner. The excellent controllability of the light intensity and frequency allowed backlash bending acceleration and frequency to be manipulated. As gastric gland carcinoma cell line MKN-45 was the research subject, mechanical force loading conditions could trigger apoptosis of the cells in a stimulation duration time-dependent manner. Cell apoptotic rates were positively related to the duration time. In the case of 6 min mechanical force loading, apoptotic cell percentage rose to 34.46% from 5.5% of the control. This approach helps apply extracellular mechanical forces, even with predesigned loading cycles, and provides a solution to study cell mechanotransduction in complex force conditions. It is also a promising therapeutic technique for combining physical therapy and biomechanics.
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Affiliation(s)
- Dong Niu
- State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Yanli Zhang
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, Medical College, Xizang Minzu University, Xianyang 712082, China
| | - Jinlan Chen
- State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Dachao Li
- State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Chunmeng He
- State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Hongzhong Liu
- State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China
- The Joint Key Laboratory of Graphene, Xi’an Jiaotong University, Xi’an 710049, China
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23
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Kalot R, Mhanna R, Talhouk R. Organ-on-a-chip platforms as novel advancements for studying heterogeneity, metastasis, and drug efficacy in breast cancer. Pharmacol Ther 2022; 237:108156. [PMID: 35150784 DOI: 10.1016/j.pharmthera.2022.108156] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 01/20/2022] [Accepted: 02/04/2022] [Indexed: 12/23/2022]
Abstract
Breast cancer has the highest cancer incidence rate in women worldwide. Therapies for breast cancer have shown high success rates, yet many cases of recurrence and drug resistance are still reported. Developing innovative strategies for studying breast cancer may improve therapeutic outcomes of the disease by providing better insight into the associated molecular mechanisms. A novel advancement in breast cancer research is the utilization of organ-on-a-chip (OOAC) technology to establish in vitro physiologically relevant breast cancer biomimetic models. This emerging technology combines microfluidics and tissue culturing methods to establish organ-specific micro fabricated culture models. Here, we shed light on the advantages of OOAC platforms over conventional in vivo and in vitro models in terms of mimicking tissue heterogeneity, disease progression, and facilitating pharmacological drug testing with a focus on models of the mammary gland in both normal and breast cancer states. By highlighting the various designs and applications of the breast-on-a-chip platforms, we show that the latter propose means to facilitate breast cancer-related studies and provide an efficient approach for therapeutic drug screening in vitro.
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Affiliation(s)
- Rita Kalot
- Department of Biology, Faculty of Arts and Sciences, American University of Beirut, Beirut, Beirut 1107 2020, Lebanon
| | - Rami Mhanna
- Department of Biomedical Engineering, Maroun Semaan Faculty of Engineering and Architecture, American University of Beirut, Beirut, Beirut 1107 2020, Lebanon
| | - Rabih Talhouk
- Department of Biology, Faculty of Arts and Sciences, American University of Beirut, Beirut, Beirut 1107 2020, Lebanon.
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24
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Cho S, Shon MJ, Son B, Eun GS, Yoon TY, Park TH. Tension exerted on cells by magnetic nanoparticles regulates differentiation of human mesenchymal stem cells. BIOMATERIALS ADVANCES 2022; 139:213028. [PMID: 35882121 DOI: 10.1016/j.bioadv.2022.213028] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/06/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
Cells can 'sense' physical cues in the surrounding microenvironment and 'react' by changing their function. Previous studies have focused on regulating the physical properties of the matrix, such as stiffness and topography, thus changing the tension 'felt' by the cell as a result. In this study, by directly applying a quantified magnetic force to the cell, a correlation between differentiation and tension was shown. The magnetic force, quantified by magnetic tweezers, was applied by incorporating magnetotactic bacteria-isolated magnetic nanoparticles (MNPs) in human mesenchymal stem cells. As the applied tension increased, the expression levels of osteogenic differentiation marker genes and proteins were proportionally upregulated. Additionally, the translocation of YAP and RUNX2, deformation of nucleus, and activation of the MAPK signaling pathway were observed in tension-based osteogenic differentiation. Our findings provide a platform for the quantitative control of tension, a key factor in stem cell differentiation, between cells and the matrix using MNPs. Furthermore, these findings improve the understanding of osteogenic differentiation by mechanotransduction.
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Affiliation(s)
- Sungwoo Cho
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Min Ju Shon
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Boram Son
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Gee Sung Eun
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Tae-Young Yoon
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Tai Hyun Park
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
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25
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Zhang Q, Hu Y, Long X, Hu L, Wu Y, Wu J, Shi X, Xie R, Bi Y, Yu F, Li P, Yang Y. Preparation and Application of Decellularized ECM-Based Biological Scaffolds for Articular Cartilage Repair: A Review. Front Bioeng Biotechnol 2022; 10:908082. [PMID: 35845417 PMCID: PMC9280718 DOI: 10.3389/fbioe.2022.908082] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cartilage regeneration is dependent on cellular-extracellular matrix (ECM) interactions. Natural ECM plays a role in mechanical and chemical cell signaling and promotes stem cell recruitment, differentiation and tissue regeneration in the absence of biological additives, including growth factors and peptides. To date, traditional tissue engineering methods by using natural and synthetic materials have not been able to replicate the physiological structure (biochemical composition and biomechanical properties) of natural cartilage. Techniques facilitating the repair and/or regeneration of articular cartilage pose a significant challenge for orthopedic surgeons. Whereas, little progress has been made in this field. In recent years, with advances in medicine, biochemistry and materials science, to meet the regenerative requirements of the heterogeneous and layered structure of native articular cartilage (AC) tissue, a series of tissue engineering scaffolds based on ECM materials have been developed. These scaffolds mimic the versatility of the native ECM in function, composition and dynamic properties and some of which are designed to improve cartilage regeneration. This review systematically investigates the following: the characteristics of cartilage ECM, repair mechanisms, decellularization method, source of ECM, and various ECM-based cartilage repair methods. In addition, the future development of ECM-based biomaterials is hypothesized.
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Affiliation(s)
- Qian Zhang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yixin Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xuan Long
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Lingling Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Ji Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xiaobing Shi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Runqi Xie
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Bi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Fangyuan Yu
- Senior Department of Orthopedics, Forth Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Pinxue Li
- School of Medicine, Nankai University, Tianjin, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Yu Yang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
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26
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Cortesi M, Giordano E. Non-destructive monitoring of 3D cell cultures: new technologies and applications. PeerJ 2022; 10:e13338. [PMID: 35582620 PMCID: PMC9107788 DOI: 10.7717/peerj.13338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 04/05/2022] [Indexed: 01/13/2023] Open
Abstract
3D cell cultures are becoming the new standard for cell-based in vitro research, due to their higher transferrability toward in vivo biology. The lack of established techniques for the non-destructive quantification of relevant variables, however, constitutes a major barrier to the adoption of these technologies, as it increases the resources needed for the experimentation and reduces its accuracy. In this review, we aim at addressing this limitation by providing an overview of different non-destructive approaches for the evaluation of biological features commonly quantified in a number of studies and applications. In this regard, we will cover cell viability, gene expression, population distribution, cell morphology and interactions between the cells and the environment. This analysis is expected to promote the use of the showcased technologies, together with the further development of these and other monitoring methods for 3D cell cultures. Overall, an extensive technology shift is required, in order for monolayer cultures to be superseded, but the potential benefit derived from an increased accuracy of in vitro studies, justifies the effort and the investment.
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Affiliation(s)
- Marilisa Cortesi
- Department of Electrical, Electronic and Information Engineering ”G.Marconi”, University of Bologna, Bologna, Italy
- School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Kensington, Australia
| | - Emanuele Giordano
- Department of Electrical, Electronic and Information Engineering ”G.Marconi”, University of Bologna, Bologna, Italy
- BioEngLab, Health Science and Technology, Interdepartmental Center for Industrial Research (HST-CIRI), University of Bologna, Ozzano Emilia, Italy
- Advanced Research Center on Electronic Systems (ARCES), University of Bologna, Bologna, Italy
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27
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Fischer NG, Kobe AC, Dai J, He J, Wang H, Pizarek JA, De Jong DA, Ye Z, Huang S, Aparicio C. Tapping basement membrane motifs: Oral junctional epithelium for surface-mediated soft tissue attachment to prevent failure of percutaneous devices. Acta Biomater 2022; 141:70-88. [PMID: 34971784 PMCID: PMC8898307 DOI: 10.1016/j.actbio.2021.12.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 01/08/2023]
Abstract
Teeth, long-lasting percutaneous organs, feature soft tissue attachment through adhesive structures, hemidesmosomes, in the junctional epithelium basement membrane adjacent to teeth. This soft tissue attachment prevents bacterial infection of the tooth despite the rich - and harsh - microbial composition of the oral cavity. Conversely, millions of percutaneous devices (catheters, dental, and orthopedic implants) fail from infection yearly. Standard of care antibiotic usage fuels antimicrobial resistance and is frequently ineffective. Infection prevention strategies, like for dental implants, have failed in generating durable soft tissue adhesion - like that seen with the tooth - to prevent bacterial colonization at the tissue-device interface. Here, inspired by the impervious natural attachment of the junctional epithelium to teeth, we synthesized four cell adhesion peptide (CAPs) nanocoatings, derived from basement membranes, to promote percutaneous device soft tissue attachment. The two leading nanocoatings upregulated integrin-mediated hemidesmosomes, selectively increased keratinocyte proliferation compared to fibroblasts, which cannot form hemidesmosomes, and expression of junctional epithelium adhesive markers. CAP nanocoatings displayed marked durability under simulated clinical conditions and the top performer CAP nanocoating was validated in a percutaneous implant murine model. Basement membrane CAP nanocoatings, inspired by the tooth and junctional epithelium, may provide an alternative anti-infective strategy for percutaneous devices to mitigate the worldwide threat of antimicrobial resistance. STATEMENT OF SIGNIFICANCE: Prevention and management of medical device infection is a significant healthcare challenge. Overzealous antibiotic use has motivated alternative material innovations to prevent infection. Here, we report implant cell adhesion peptide nanocoatings that mimic a long-lasting, natural "medical device," the tooth, through formation of cell adhesive structures called hemidesmosomes. Such nanocoatings sidestep the use of antimicrobial or antibiotic elements to form a soft-tissue seal around implants. The top performing nanocoatings prompted expression of hemidesmosomes and defensive factors to mimic the tooth and was validated in an animal model. Application of cell adhesion peptide nanocoatings may provide an alternative to preventing, rather that necessarily treating, medical device infection across a range of device indications, like dental implants.
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Affiliation(s)
- Nicholas G Fischer
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States
| | - Alexandra C Kobe
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States
| | - Jinhong Dai
- Institute of Stomatology, School and Hospital of Stomatology, Department of Prosthodontics, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang 325027, China
| | - Jiahe He
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States
| | - Hongning Wang
- Institute of Stomatology, School and Hospital of Stomatology, Department of Prosthodontics, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang 325027, China
| | - John A Pizarek
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States; United States Navy Dental Corps, Naval Medical Leader and Professional Development Command, 8955 Wood Road Bethesda, MD 20889, United States
| | - David A De Jong
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States
| | - Zhou Ye
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States
| | - Shengbin Huang
- Institute of Stomatology, School and Hospital of Stomatology, Department of Prosthodontics, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang 325027, China
| | - Conrado Aparicio
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, United States.
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28
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Wen D, Gao Y, Ho C, Yu L, Zhang Y, Lyu G, Hu D, Li Q, Zhang Y. Focusing on Mechanoregulation Axis in Fibrosis: Sensing, Transduction and Effecting. Front Mol Biosci 2022; 9:804680. [PMID: 35359592 PMCID: PMC8963247 DOI: 10.3389/fmolb.2022.804680] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/09/2022] [Indexed: 11/24/2022] Open
Abstract
Fibrosis, a pathologic process featured by the excessive deposition of connective tissue components, can affect virtually every organ and has no satisfactory therapy yet. Fibrotic diseases are often associated with organ dysfunction which leads to high morbidity and mortality. Biomechanical stmuli and the corresponding cellular response havebeen identified in fibrogenesis, as the fibrotic remodeling could be seen as the incapacity to reestablish mechanical homeostasis: along with extracellular matrix accumulating, the physical property became more “stiff” and could in turn induce fibrosis. In this review, we provide a comprehensive overview of mechanoregulation in fibrosis, from initialing cellular mechanosensing to intracellular mechanotransduction and processing, and ends up in mechanoeffecting. Our contents are not limited to the cellular mechanism, but further expand to the disorders involved and current clinical trials, providing an insight into the disease and hopefully inspiring new approaches for the treatment of tissue fibrosis.
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Affiliation(s)
- Dongsheng Wen
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ya Gao
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chiakang Ho
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Yu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuguang Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guozhong Lyu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Dahai Hu
- Burns Centre of PLA, Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Qingfeng Li, ; Yifan Zhang,
| | - Yifan Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Qingfeng Li, ; Yifan Zhang,
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29
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Yanes B, Rainero E. The Interplay between Cell-Extracellular Matrix Interaction and Mitochondria Dynamics in Cancer. Cancers (Basel) 2022; 14:1433. [PMID: 35326584 PMCID: PMC8946811 DOI: 10.3390/cancers14061433] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/01/2022] [Accepted: 03/08/2022] [Indexed: 01/27/2023] Open
Abstract
The tumor microenvironment, in particular the extracellular matrix (ECM), plays a pivotal role in controlling tumor initiation and progression. In particular, the interaction between cancer cells and the ECM promotes cancer cell growth and invasion, leading to the formation of distant metastasis. Alterations in cancer cell metabolism is a key hallmark of cancer, which is often associated with alterations in mitochondrial dynamics. Recent research highlighted that, changes in mitochondrial dynamics are associated with cancer migration and metastasis-these has been extensively reviewed elsewhere. However, less is known about the interplay between the extracellular matrix and mitochondria functions. In this review, we will highlight how ECM remodeling associated with tumorigenesis contribute to the regulation of mitochondrial function, ultimately promoting cancer cell metabolic plasticity, able to fuel cancer invasion and metastasis.
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Affiliation(s)
| | - Elena Rainero
- School of Biosciences, The University of Sheffield, Western Bank, Sheffield S10 2TN, UK;
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30
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Bjørge IM, Correia CR, Mano JF. Hipster microcarriers: exploring geometrical and topographical cues of non-spherical microcarriers in biomedical applications. MATERIALS HORIZONS 2022; 9:908-933. [PMID: 34908074 DOI: 10.1039/d1mh01694f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Structure and organisation are key aspects of the native tissue environment, which ultimately condition cell fate via a myriad of processes, including the activation of mechanotransduction pathways. By modulating the formation of integrin-mediated adhesions and consequently impacting cell contractility, engineered geometrical and topographical cues may be introduced to activate downstream signalling and ultimately control cell morphology, proliferation, and differentiation. Microcarriers appear as attractive vehicles for cell-based tissue engineering strategies aiming to modulate this 3D environment, but also as vehicles for cell-free applications, given the ease in tuning their chemical and physical properties. In this review, geometry and topography are highlighted as two preponderant features in actively regulating interactions between cells and the extracellular matrix. While most studies focus on the 2D environment, we focus on how the incorporation of these strategies in 3D systems could be beneficial. The techniques applied to design 3D microcarriers with unique geometries and surface topographical cues are covered, as well as specific tissue engineering approaches employing these microcarriers. In fact, successfully achieving a functional histoarchitecture may depend on a combination of fine-tuned geometrically shaped microcarriers presenting intricately tailored topographical cues. Lastly, we pinpoint microcarrier geometry as a key player in cell-free biomaterial-based strategies, and its impact on drug release kinetics, the production of steerable microcarriers to target tumour cells, and as protein or antibody biosensors.
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Affiliation(s)
- Isabel M Bjørge
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal.
| | - Clara R Correia
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal.
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal.
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Patteson AE, Asp ME, Janmey PA. Materials science and mechanosensitivity of living matter. APPLIED PHYSICS REVIEWS 2022; 9:011320. [PMID: 35392267 PMCID: PMC8969880 DOI: 10.1063/5.0071648] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Living systems are composed of molecules that are synthesized by cells that use energy sources within their surroundings to create fascinating materials that have mechanical properties optimized for their biological function. Their functionality is a ubiquitous aspect of our lives. We use wood to construct furniture, bacterial colonies to modify the texture of dairy products and other foods, intestines as violin strings, bladders in bagpipes, and so on. The mechanical properties of these biological materials differ from those of other simpler synthetic elastomers, glasses, and crystals. Reproducing their mechanical properties synthetically or from first principles is still often unattainable. The challenge is that biomaterials often exist far from equilibrium, either in a kinetically arrested state or in an energy consuming active state that is not yet possible to reproduce de novo. Also, the design principles that form biological materials often result in nonlinear responses of stress to strain, or force to displacement, and theoretical models to explain these nonlinear effects are in relatively early stages of development compared to the predictive models for rubberlike elastomers or metals. In this Review, we summarize some of the most common and striking mechanical features of biological materials and make comparisons among animal, plant, fungal, and bacterial systems. We also summarize some of the mechanisms by which living systems develop forces that shape biological matter and examine newly discovered mechanisms by which cells sense and respond to the forces they generate themselves, which are resisted by their environment, or that are exerted upon them by their environment. Within this framework, we discuss examples of how physical methods are being applied to cell biology and bioengineering.
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Affiliation(s)
- Alison E. Patteson
- Physics Department and BioInspired Institute, Syracuse University, Syracuse NY, 13244, USA
| | - Merrill E. Asp
- Physics Department and BioInspired Institute, Syracuse University, Syracuse NY, 13244, USA
| | - Paul A. Janmey
- Institute for Medicine and Engineering and Departments of Physiology and Physics & Astronomy, University of Pennsylvania, Philadelphia PA, 19104, USA
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Liu K, Wiendels M, Yuan H, Ruan C, Kouwer PH. Cell-matrix reciprocity in 3D culture models with nonlinear elasticity. Bioact Mater 2022; 9:316-331. [PMID: 34820573 PMCID: PMC8586441 DOI: 10.1016/j.bioactmat.2021.08.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/24/2021] [Accepted: 08/03/2021] [Indexed: 01/17/2023] Open
Abstract
Three-dimensional (3D) matrix models using hydrogels are powerful tools to understand and predict cell behavior. The interactions between the cell and its matrix, however is highly complex: the matrix has a profound effect on basic cell functions but simultaneously, cells are able to actively manipulate the matrix properties. This (mechano)reciprocity between cells and the extracellular matrix (ECM) is central in regulating tissue functions and it is fundamentally important to broadly consider the biomechanical properties of the in vivo ECM when designing in vitro matrix models. This manuscript discusses two commonly used biopolymer networks, i.e. collagen and fibrin gels, and one synthetic polymer network, polyisocyanide gel (PIC), which all possess the characteristic nonlinear mechanics in the biological stress regime. We start from the structure of the materials, then address the uses, advantages, and limitations of each material, to provide a guideline for tissue engineers and biophysicists in utilizing current materials and also designing new materials for 3D cell culture purposes.
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Affiliation(s)
- Kaizheng Liu
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Maury Wiendels
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Hongbo Yuan
- Institute of Biophysics, Hebei University of Technology, Tianjin, 300401, PR China
- Molecular Imaging and Photonics, Chemistry Department, KU Leuven, Celestijnenlaan 200F, 3001, Heverlee, Belgium
| | - Changshun Ruan
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
| | - Paul H.J. Kouwer
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
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Sa R, Liang R, Qiu X, He Z, Liu Z, Chen L. Targeting IGF2BP2 Promotes Differentiation of Radioiodine Refractory Papillary Thyroid Cancer via Destabilizing RUNX2 mRNA. Cancers (Basel) 2022; 14:cancers14051268. [PMID: 35267576 PMCID: PMC8909796 DOI: 10.3390/cancers14051268] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/16/2022] [Accepted: 02/19/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Differentiation therapy is one of the most promising treatment approaches for radioiodine refractory papillary thyroid cancer (RR-PTC). In this study, we found that insulin-like growth factor 2 mRNA-binding protein 2 promoted dedifferentiation of PTC via integrating to 3′-untranslated regions of runt-related transcription factor 2, which bound to the promoter region of sodium/iodide symporter, downregulating its expression. Abstract N6-methyladenosine (m6A) regulators play an important role in multiple biological and pathological processes of radioiodine refractory papillary thyroid cancer (RR-PTC). However, the function of m6A regulators in differentiation of RR-PTC remains unclear. In this study, online data, clinical samples, and RR-PTC cell lines (K1 and TPC1) were used to identify the m6A regulators that contributed to the differentiation of RR-PTC. Insulin-like growth factor 2 mRNA-binding protein 2 (IGF2BP2) was found to be associated with thyroid-specific genes in online data analyses, and metastatic PTCs with high expression of IGF2BP2 were prone to be 131I-nonavid in clinical analyses. Furthermore, targeting IGF2BP2 increased 125I uptake in RR-PTC cell lines and enhanced the sodium/iodide symporter (NIS) expression. Mechanistically, IGF2BP2 bound to the m6A modification site of runt-related transcription factor 2 (RUNX2) 3′-UTR and enhanced the RUNX2 mRNA stability. Moreover, RUNX2 could bind to the promoter region of NIS to block the differentiation of RR-PTC. Together, these results demonstrated that IGF2BP2 represents a diagnostic marker for RR-PTC, suggesting a novel differentiation therapeutic strategy of targeting IGF2BP2.
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Affiliation(s)
- Ri Sa
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600# Yishan Road, Shanghai 200233, China; (R.S.); (X.Q.); (Z.H.)
- Department of Nuclear Medicine, The First Hospital of Jilin University, 1# Xinmin Street, Changchun 130021, China
| | - Rui Liang
- Department of Geriatrics and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu 610041, China;
| | - Xian Qiu
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600# Yishan Road, Shanghai 200233, China; (R.S.); (X.Q.); (Z.H.)
| | - Ziyan He
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600# Yishan Road, Shanghai 200233, China; (R.S.); (X.Q.); (Z.H.)
| | - Zhiyan Liu
- Department of Pathology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600# Yishan Road, Shanghai 200233, China
- Correspondence: (Z.L.); (L.C.); Tel.: +86-189-3017-2295 (Z.L.); +86-216-436-9181(L.C.)
| | - Libo Chen
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600# Yishan Road, Shanghai 200233, China; (R.S.); (X.Q.); (Z.H.)
- Correspondence: (Z.L.); (L.C.); Tel.: +86-189-3017-2295 (Z.L.); +86-216-436-9181(L.C.)
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Zhao L, Wu T, Li J, Cai C, Yao Q, Zhu YS. Data-independent acquisition-based proteomics analysis correlating type 2 diabetes mellitus with osteoarthritis in total knee arthroplasty patients. Medicine (Baltimore) 2022; 101:e28738. [PMID: 35119024 PMCID: PMC8812634 DOI: 10.1097/md.0000000000028738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 01/08/2022] [Accepted: 01/11/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND To explore the effects of type 2 diabetes mellitus (T2DM) on osteoarthritis (OA), 12 bone tissue samples were obtained surgically from the human total knee arthroplasty patients and analyzed by quantitative proteomics. METHODS Based on patient clinical histories, patient samples were assigned to diabetes mellitus osteoarthritis (DMOA) and OA groups. A data-independent acquisition method for data collection was used with proteomic data analysis to assess intergroup proteomic differences. Gene Ontology (GO) functional analysis and Kyoto Encyclopedia of Genes and Genome pathway enrichment analysis were used to further find the correlation between T2DM and OA. RESULTS GO functional analysis found 153 differentially expressed proteins between DMOA and OA groups, of which 92 differentially expressed proteins were significantly up-regulated and 61 were significantly down-regulated. Kyoto Encyclopedia of Genes and Genome pathway analysis found 180 pathways, including 9 pathways significantly enriched. Further data analysis revealed that 6 signaling pathways were closely associated with T2DM and OA. CONCLUSION OA and DMOA onset and progression were closely related to synthesis and metabolism of extracellular matrix components (e.g., fibronectin, decorin, etc.). The effects of T2DM on OA occur though 2 major ways of oxidative stress and low-grade chronic inflammation, involving in 2 inhibited signaling pathways and 4 activated signaling pathways.
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Affiliation(s)
- Lulu Zhao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu Province, PR China
| | - Tong Wu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu Province, PR China
| | - Jiayi Li
- Department of Orthopedic Surgery, Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, PR China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
| | - Chunyan Cai
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu Province, PR China
| | - Qingqiang Yao
- Department of Orthopedic Surgery, Nanjing First Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, PR China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
| | - Yi-Shen Zhu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu Province, PR China
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Nellinger S, Mrsic I, Keller S, Heine S, Southan A, Bach M, Volz A, Chassé T, Kluger PJ. Cell‐derived and enzyme‐based decellularized extracellular matrix exhibit compositional and structural differences that are relevant for its use as a biomaterial. Biotechnol Bioeng 2022; 119:1142-1156. [DOI: 10.1002/bit.28047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 01/01/2022] [Accepted: 01/19/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Svenja Nellinger
- Reutlingen Research Institute Alteburgstr. 150 72762 Reutlingen Germany
| | - Ivana Mrsic
- Institute of Physical and Theoretical Chemistry, University of Tuebingen Auf der Morgenstelle 18 72076 Tuebingen Germany
| | - Silke Keller
- 3R‐Center for In Vitro Models and Alternatives to Animal Testing, Eberhard Karls University Tübingen Österbergstr. 3 72074 Tübingen Germany
- Department for Microphysiological Systems Institute of Biomedical Engineering, Faculty of Medicine of the Eberhard Karls University Tübingen Österbergstr. 3 72074 Tübingen Germany
| | - Simon Heine
- Reutlingen Research Institute Alteburgstr. 150 72762 Reutlingen Germany
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology, University of Stuttgart Nobelstr. 12 70569 Stuttgart Germany
| | - Monika Bach
- Core Facility Hohenheim, University of Hohenheim Emil‐Wolff‐Str. 12 70599 Stuttgart Germany
| | - Ann‐Cathrin Volz
- Reutlingen Research Institute Alteburgstr. 150 72762 Reutlingen Germany
| | - Thomas Chassé
- Institute of Physical and Theoretical Chemistry, University of Tuebingen Auf der Morgenstelle 18 72076 Tuebingen Germany
| | - Petra J. Kluger
- School of Applied Chemistry, Reutlingen University Alteburgstr. 150 72762 Reutlingen Germany
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Zheng J, Wang Y, Kawazoe N, Yang Y, Chen G. Influences of Viscosity on the Osteogenic and Adipogenic Differentiation of Mesenchymal Stem Cells with Controlled Morphology. J Mater Chem B 2022; 10:3989-4001. [DOI: 10.1039/d2tb00729k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Matrix viscoelastic properties have been shown to have important effects on cell functions. However, the conventional culture methods for investigating the influences of viscoelastic properties on cell functions cannot exclude...
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Graphene-Based Materials for Efficient Neurogenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1351:43-64. [DOI: 10.1007/978-981-16-4923-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Subbiah R, Balbinot GDS, Athirasala A, Collares FM, Sereda G, Bertassoni LE. Nanoscale mineralization of cell-laden methacrylated gelatin hydrogels using calcium carbonate-calcium citrate core-shell microparticles. J Mater Chem B 2021; 9:9583-9593. [PMID: 34779469 DOI: 10.1039/d1tb01673c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Conventional biomaterials developed for bone regeneration fail to fully recapitulate the nanoscale structural organization and complex composition of the native bone microenvironment. Therefore, despite promoting osteogenic differentiation of stem cells, they fall short of providing the structural, biochemical, and mechanical stimuli necessary to drive osteogenesis for bone regeneration and function. To address this, we have recently developed a novel strategy to engineer bone-like tissue using a biomimetic approach to achieve rapid and controlled nanoscale mineralization of a cell-laden matrix in the presence of osteopontin, a non-collagenous protein, and a supersaturated solution of calcium and phosphate medium. Here, we build on this approach to engineer bone regeneration scaffolds comprising methacrylated gelatin (GelMA) hydrogels incorporated with calcium citrate core-shell microparticles as a sustained and reliable source of calcium ions for in situ mineralization. We demonstrate successful biomineralization of GelMA hydrogels by embedded calcium carbonate-calcium citrate core-shell microparticles with the resultant mineral chemistry, structure, and organization reminiscent of that of native bone. The biomimetic mineralization was further shown to promote osteogenic differentiation of encapsulated human mesenchymal stem cells even in the absence of other exogenous osteogenic induction factors. Ultimately, by combining the superior biological response engendered by biomimetic mineralization with the intrinsic tissue engineering advantages offered by GelMA, such as biocompatibility, biodegradability, and printability, we envision that our system offers great potential for bone regeneration efforts.
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Affiliation(s)
- Ramesh Subbiah
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR 97201, USA
| | - Gabriela de Souza Balbinot
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR 97201, USA.,Department of Dental Materials, School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 90035-003, Brazil
| | - Avathamsa Athirasala
- Department of Biomedical Engineering, School of Medicine, Oregon Health and Science University, Portland, OR 97201, USA
| | - Fabricio Mezzomo Collares
- Department of Dental Materials, School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 90035-003, Brazil
| | - Grigoriy Sereda
- Department of Chemistry, University of South Dakota, Vermillion, SD 57069, USA.
| | - Luiz E Bertassoni
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR 97201, USA.,Department of Biomedical Engineering, School of Medicine, Oregon Health and Science University, Portland, OR 97201, USA.,Center for Regenerative Medicine, School of Medicine, Oregon Health and Science University, Portland, OR 97201, USA.,Cancer Early Detection Advanced Research Center (CEDAR), Knight Cancer Institute, Oregon Health and Science University, Portland, OR 97201, USA.
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Diehl V, Huber LS, Trebicka J, Wygrecka M, Iozzo RV, Schaefer L. The Role of Decorin and Biglycan Signaling in Tumorigenesis. Front Oncol 2021; 11:801801. [PMID: 34917515 PMCID: PMC8668865 DOI: 10.3389/fonc.2021.801801] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 11/09/2021] [Indexed: 12/12/2022] Open
Abstract
The complex and adaptive nature of malignant neoplasm constitute a major challenge for the development of effective anti-oncogenic therapies. Emerging evidence has uncovered the pivotal functions exerted by the small leucine-rich proteoglycans, decorin and biglycan, in affecting tumor growth and progression. In their soluble forms, decorin and biglycan act as powerful signaling molecules. By receptor-mediated signal transduction, both proteoglycans modulate key processes vital for tumor initiation and progression, such as autophagy, inflammation, cell-cycle, apoptosis, and angiogenesis. Despite of their structural homology, these two proteoglycans interact with distinct cell surface receptors and thus modulate distinct signaling pathways that ultimately affect cancer development. In this review, we summarize growing evidence for the complex roles of decorin and biglycan signaling in tumor biology and address potential novel therapeutic implications.
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Affiliation(s)
- Valentina Diehl
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt, Germany
| | - Lisa Sophie Huber
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt, Germany
| | - Jonel Trebicka
- Department of Internal Medicine I, Goethe University, Frankfurt, Germany
| | - Malgorzata Wygrecka
- Center for Infection and Genomics of the Lung, Member of the German Center for Lung Research, University of Giessen and Marburg Lung Center, Giessen, Germany
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology and the Translational Cellular Oncology Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, United States
| | - Liliana Schaefer
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt, Germany
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Hasselmann S, Hahn L, Lorson T, Schätzlein E, Sébastien I, Beudert M, Lühmann T, Neubauer JC, Sextl G, Luxenhofer R, Heinrich D. Freeform direct laser writing of versatile topological 3D scaffolds enabled by intrinsic support hydrogel. MATERIALS HORIZONS 2021; 8:3334-3344. [PMID: 34617095 DOI: 10.1039/d1mh00925g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this study, a novel approach to create arbitrarily shaped 3D hydrogel objects is presented, wherein freeform two-photon polymerization (2PP) is enabled by the combination of a photosensitive hydrogel and an intrinsic support matrix. This way, topologies without physical contact such as a highly porous 3D network of concatenated rings were realized, which are impossible to manufacture with most current 3D printing technologies. Micro-Raman and nanoindentation measurements show the possibility to control water uptake and hence tailor the Young's modulus of the structures via the light dosage, proving the versatility of the concept regarding many scaffold characteristics that makes it well suited for cell specific cell culture as demonstrated by cultivation of human induced pluripotent stem cell derived cardiomyocytes.
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Affiliation(s)
- Sebastian Hasselmann
- Fraunhofer Project Center for Stem Cell Process Engineering Neunerplatz 2, Würzburg 97082, Germany
| | - Lukas Hahn
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Institute for Functional Materials and Biofabrication, Department of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070, Germany
| | - Thomas Lorson
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Institute for Functional Materials and Biofabrication, Department of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070, Germany
| | - Eva Schätzlein
- East Bavarian Technical University of Applied Sciences, Prüfeninger Str. 58, Regensburg 93049, Germany
| | - Isabelle Sébastien
- Fraunhofer Institute for Biomedical Engineering, Fraunhofer Project Center for Stem Cell Process Engineering, Neunerplatz 2, Würzburg 97082, Germany
| | - Matthias Beudert
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, Würzburg 97074, Germany
| | - Tessa Lühmann
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, Würzburg 97074, Germany
| | - Julia C Neubauer
- Fraunhofer Institute for Biomedical Engineering, Fraunhofer Project Center for Stem Cell Process Engineering, Neunerplatz 2, Würzburg 97082, Germany
| | - Gerhard Sextl
- Fraunhofer Institute for Silicate Research ISC, Neunerplatz 2, Würzburg 97082, Germany.
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Institute for Functional Materials and Biofabrication, Department of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070, Germany
- Soft Matter Chemistry, Department of Chemistry and Helsinki Institute of Sustainability Science, Faculty of Science University of Helsinki, Helsinki 00014, Finland.
| | - Doris Heinrich
- Fraunhofer Institute for Silicate Research ISC, Neunerplatz 2, Würzburg 97082, Germany.
- Institute for Bioprocessing and Analytical Measurement Techniques, Rosenhof, Heilbad Heiligenstadt 37308, Germany
- Faculty for Mathematics and Natural Sciences, Ilmenau University of Technology, Ilmenau, Germany
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El-Rashidy AA, El Moshy S, Radwan IA, Rady D, Abbass MMS, Dörfer CE, Fawzy El-Sayed KM. Effect of Polymeric Matrix Stiffness on Osteogenic Differentiation of Mesenchymal Stem/Progenitor Cells: Concise Review. Polymers (Basel) 2021; 13:2950. [PMID: 34502988 PMCID: PMC8434088 DOI: 10.3390/polym13172950] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 01/23/2023] Open
Abstract
Mesenchymal stem/progenitor cells (MSCs) have a multi-differentiation potential into specialized cell types, with remarkable regenerative and therapeutic results. Several factors could trigger the differentiation of MSCs into specific lineages, among them the biophysical and chemical characteristics of the extracellular matrix (ECM), including its stiffness, composition, topography, and mechanical properties. MSCs can sense and assess the stiffness of extracellular substrates through the process of mechanotransduction. Through this process, the extracellular matrix can govern and direct MSCs' lineage commitment through complex intracellular pathways. Hence, various biomimetic natural and synthetic polymeric matrices of tunable stiffness were developed and further investigated to mimic the MSCs' native tissues. Customizing scaffold materials to mimic cells' natural environment is of utmost importance during the process of tissue engineering. This review aims to highlight the regulatory role of matrix stiffness in directing the osteogenic differentiation of MSCs, addressing how MSCs sense and respond to their ECM, in addition to listing different polymeric biomaterials and methods used to alter their stiffness to dictate MSCs' differentiation towards the osteogenic lineage.
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Affiliation(s)
- Aiah A. El-Rashidy
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt;
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
| | - Sara El Moshy
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Israa Ahmed Radwan
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Dina Rady
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Marwa M. S. Abbass
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Christof E. Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
| | - Karim M. Fawzy El-Sayed
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
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Ansardamavandi A, Tafazzoli-Shadpour M. The functional cross talk between cancer cells and cancer associated fibroblasts from a cancer mechanics perspective. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1868:119103. [PMID: 34293346 DOI: 10.1016/j.bbamcr.2021.119103] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/13/2021] [Accepted: 07/18/2021] [Indexed: 12/12/2022]
Abstract
The function of biological tissues in health and disease is regulated at cellular level and is highly influenced by the physical microenvironment, through the interaction of forces between cells and ECM, which are perceived through mechanosensing pathways. In cancer, both chemical and physical signaling cascades and their interactions are involved during cell-cell and cell-ECM communications to meet requirements of tumor growth. Among stroma cells, cancer associated fibroblasts (CAFs) play key role in tumor growth and pave the way for cancer cells to initiate metastasis and invasion to other tissues, and without recruitment of CAFs, the process of cancer invasion is dysfunctional. This is through an intense chemical and physical cross talks with tumor cells, and interactive remodeling of ECM. During such interaction CAFs apply traction forces and depending on the mechanical properties, deform ECM and in return receive physical signals from the micromechanical environment. Such interaction leads to ECM remodeling by manipulating ECM structure and its mechanical properties. The results are in form of deposition of extra fibers, stiffening, rearrangement and reorganization of fibrous structure, and degradation which are due to a complex secretion and expression of different markers triggered by mechanosensing of tumor cells, specially CAFs. Such events define cancer progress and invasion of cancer cells. A systemic knowledge of chemical and physical factors provides a holistic view of how cancer process and enhances the current treatment methods to provide more diversity among targets that involves tumor cells and ECM structure.
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Affiliation(s)
- Arian Ansardamavandi
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
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Grewal MG, Highley CB. Electrospun hydrogels for dynamic culture systems: advantages, progress, and opportunities. Biomater Sci 2021; 9:4228-4245. [PMID: 33522527 PMCID: PMC8205946 DOI: 10.1039/d0bm01588a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The extracellular matrix (ECM) is a water-swollen, tissue-specific material environment in which biophysiochemical signals are organized and influence cell behaviors. Electrospun nanofibrous substrates have been pursued as platforms for tissue engineering and cell studies that recapitulate features of the native ECM, in particular its fibrous nature. In recent years, progress in the design of electrospun hydrogel systems has demonstrated that molecular design also enables unique studies of cellular behaviors. In comparison to the use of hydrophobic polymeric materials, electrospinning hydrophilic materials that crosslink to form hydrogels offer the potential to achieve the water-swollen, nanofibrous characteristics of endogenous ECM. Although electrospun hydrogels require an additional crosslinking step to stabilize the fibers (allowing fibers to swell with water instead of dissolving) in comparison to their hydrophobic counterparts, researchers have made significant advances in leveraging hydrogel chemistries to incorporate biochemical and dynamic functionalities within the fibers. Consequently, dynamic biophysical and biochemical properties can be engineered into hydrophilic nanofibers that would be difficult to engineer in hydrophobic systems without strategic and sometimes intensive post-processing techniques. This Review describes common methodologies to control biophysical and biochemical properties of both electrospun hydrophobic and hydrogel nanofibers, with an emphasis on highlighting recent progress using hydrogel nanofibers with engineered dynamic complexities to develop culture systems for the study of biological function, dysfunction, development, and regeneration.
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Affiliation(s)
- M Gregory Grewal
- Department of Chemical Engineering, University of Virginia, VA 22903, USA.
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Abdollahiyan P, Oroojalian F, Baradaran B, de la Guardia M, Mokhtarzadeh A. Advanced mechanotherapy: Biotensegrity for governing metastatic tumor cell fate via modulating the extracellular matrix. J Control Release 2021; 335:596-618. [PMID: 34097925 DOI: 10.1016/j.jconrel.2021.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 12/19/2022]
Abstract
Mechano-transduction is the procedure of mechanical stimulus translation via cells, among substrate shear flow, topography, and stiffness into a biochemical answer. TAZ and YAP are transcriptional coactivators which are recognized as relay proteins that promote mechano-transduction within the Hippo pathway. With regard to healthy cells in homeostasis, mechano-transduction regularly restricts proliferation, and TAZ and YAP are totally inactive. During cancer development a YAP/TAZ - stimulating positive response loop is formed between the growing tumor and the stiffening ECM. As tumor developments, local stromal and cancerous cells take advantage of mechanotransduction to enhance proliferation, induce their migratory into remote tissues, and promote chemotherapeutic resistance. As a newly progresses paradigm, nanoparticle-conjunctions (such as magnetic nanoparticles, and graphene derivatives nanoparticles) hold significant promises for remote regulation of cells and their relevant events at molecular scale. Despite outstanding developments in employing nanoparticles for drug targeting studies, the role of nanoparticles on cellular behaviors (proliferation, migration, and differentiation) has still required more evaluations in the field of mechanotherapy. In this paper, the in-depth contribution of mechano-transduction is discussed during tumor progression, and how these consequences can be evaluated in vitro.
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Affiliation(s)
| | - Fatemeh Oroojalian
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran; Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran.
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Miguel de la Guardia
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Mishra YG, Manavathi B. Focal adhesion dynamics in cellular function and disease. Cell Signal 2021; 85:110046. [PMID: 34004332 DOI: 10.1016/j.cellsig.2021.110046] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 05/13/2021] [Indexed: 02/06/2023]
Abstract
Acting as a bridge between the cytoskeleton of the cell and the extra cellular matrix (ECM), the cell-ECM adhesions with integrins at their core, play a major role in cell signalling to direct mechanotransduction, cell migration, cell cycle progression, proliferation, differentiation, growth and repair. Biochemically, these adhesions are composed of diverse, yet an organised group of structural proteins, receptors, adaptors, various enzymes including protein kinases, phosphatases, GTPases, proteases, etc. as well as scaffolding molecules. The major integrin adhesion complexes (IACs) characterised are focal adhesions (FAs), invadosomes (podosomes and invadopodia), hemidesmosomes (HDs) and reticular adhesions (RAs). The varied composition and regulation of the IACs and their signalling, apart from being an integral part of normal cell survival, has been shown to be of paramount importance in various developmental and pathological processes. This review per-illustrates the recent advancements in the research of IACs, their crucial roles in normal as well as diseased states. We have also touched on few of the various methods that have been developed over the years to visualise IACs, measure the forces they exert and study their signalling and molecular composition. Having such pertinent roles in the context of various pathologies, these IACs need to be understood and studied to develop therapeutical targets. We have given an update to the studies done in recent years and described various techniques which have been applied to study these structures, thereby, providing context in furthering research with respect to IAC targeted therapeutics.
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Affiliation(s)
- Yasaswi Gayatri Mishra
- Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Bramanandam Manavathi
- Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India.
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Yang G, Jiang F, Lu Y, Lin S, Liu C, Li A, Kaplan DL, Zhang S, He Y, Huang C, Zhang W, Jiang X. Rapid construction and enhanced vascularization of microtissue using a magnetic control method. Biofabrication 2021; 13. [PMID: 33967033 DOI: 10.1088/1758-5090/abe4c2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 02/09/2021] [Indexed: 12/25/2022]
Abstract
Stem cells play critical roles in tissue repair and regeneration. The construction of stem cell-derived microtissue is a promising strategy for transplanting cells into defects to improve tissue regeneration efficiency. However, rapidly constructing larger microtissues and promoting vascularization to ensure the cellular nutrient supply remain major challenges. Here, we have developed a magnetic device to rapidly construct and regulate millimeter-scale microtissues derived from magnetic nanoparticle-labeled cells. When the microtissue was cultured under a specific magnetic field, the shape of the microtissue could be changed. Importantly, cell proliferation was maintained, and angiogenesis was activated in the process of microtissue deformation. We developed a magnetic control method to treat microtissue, and the implanted microtissue showed excellent vascularizationin vivo. In brief, this magnetic control technology provides a promising strategy for vascularized regenerative medicine.
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Affiliation(s)
- Guangzheng Yang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Fei Jiang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China.,Jiangsu Key Laboratory of Oral Diseases, Department of General Dentistry, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing 210029, People's Republic of China
| | - Yuezhi Lu
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Sihan Lin
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Chang Liu
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Anshuo Li
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, United States of America
| | - Shilei Zhang
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China.,Department of Oral and Cranio-maxillofacial Surgery, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China
| | - Yue He
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China.,Department of Oral and Maxillofacial - Head and Neck Oncology, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China
| | - Cui Huang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, People's Republic of China
| | - Wenjie Zhang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Xinquan Jiang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
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Karagöz Z, Geuens T, LaPointe VLS, van Griensven M, Carlier A. Win, Lose, or Tie: Mathematical Modeling of Ligand Competition at the Cell-Extracellular Matrix Interface. Front Bioeng Biotechnol 2021; 9:657244. [PMID: 33996781 PMCID: PMC8117103 DOI: 10.3389/fbioe.2021.657244] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 04/07/2021] [Indexed: 12/19/2022] Open
Abstract
Integrin transmembrane proteins conduct mechanotransduction at the cell–extracellular matrix (ECM) interface. This process is central to cellular homeostasis and therefore is particularly important when designing instructive biomaterials and organoid culture systems. Previous studies suggest that fine-tuning the ECM composition and mechanical properties can improve organoid development. Toward the bigger goal of fully functional organoid development, we hypothesize that resolving the dynamics of ECM–integrin interactions will be highly instructive. To this end, we developed a mathematical model that enabled us to simulate three main interactions, namely integrin activation, ligand binding, and integrin clustering. Different from previously published computational models, we account for the binding of more than one type of ligand to the integrin. This competition between ligands defines the fate of the system. We have demonstrated that an increase in the initial concentration of ligands does not ensure an increase in the steady state concentration of ligand-bound integrins. The ligand with higher binding rate occupies more integrins at the steady state than does the competing ligand. With cell type specific, quantitative input on integrin-ligand binding rates, this model can be used to develop instructive cell culture systems.
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Affiliation(s)
- Zeynep Karagöz
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - Thomas Geuens
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - Vanessa L S LaPointe
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - Martijn van Griensven
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - Aurélie Carlier
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
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Abstract
The extracellular matrix is a fundamental, core component of all tissues and organs, and is essential for the existence of multicellular organisms. From the earliest stages of organism development until death, it regulates and fine-tunes every cellular process in the body. In cancer, the extracellular matrix is altered at the biochemical, biomechanical, architectural and topographical levels, and recent years have seen an exponential increase in the study and recognition of the importance of the matrix in solid tumours. Coupled with the advancement of new technologies to study various elements of the matrix and cell-matrix interactions, we are also beginning to see the deployment of matrix-centric, stromal targeting cancer therapies. This Review touches on many of the facets of matrix biology in solid cancers, including breast, pancreatic and lung cancer, with the aim of highlighting some of the emerging interactions of the matrix and influences that the matrix has on tumour onset, progression and metastatic dissemination, before summarizing the ongoing work in the field aimed at developing therapies to co-target the matrix in cancer and cancer metastasis.
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Affiliation(s)
- Thomas R Cox
- The Kinghorn Cancer Centre, The Garvan Institute of Medical Research, Sydney, New South Wales, Australia.
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia.
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49
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Location, location, location: how the tissue microenvironment affects inflammation in RA. Nat Rev Rheumatol 2021; 17:195-212. [PMID: 33526927 DOI: 10.1038/s41584-020-00570-2] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2020] [Indexed: 01/30/2023]
Abstract
Current treatments for rheumatoid arthritis (RA) do not work well for a large proportion of patients, or at all in some individuals, and cannot cure or prevent this disease. One major obstacle to developing better drugs is a lack of complete understanding of how inflammatory joint disease arises and progresses. Emerging evidence indicates an important role for the tissue microenvironment in the pathogenesis of RA. Each tissue is made up of cells surrounded and supported by a unique extracellular matrix (ECM). These complex molecular networks define tissue architecture and provide environmental signals that programme site-specific cell behaviour. In the synovium, a main site of disease activity in RA, positional and disease stage-specific cellular diversity exist. Improved understanding of the architecture of the synovium from gross anatomy to the single-cell level, in parallel with evidence demonstrating how the synovial ECM is vital for synovial homeostasis and how dysregulated signals from the ECM promote chronic inflammation and tissue destruction in the RA joint, has opened up new ways of thinking about the pathogenesis of RA. These new ideas provide novel therapeutic approaches for patients with difficult-to-treat disease and could also be used in disease prevention.
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50
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Alisafaei F, Chen X, Leahy T, Janmey PA, Shenoy VB. Long-range mechanical signaling in biological systems. SOFT MATTER 2021; 17:241-253. [PMID: 33136113 PMCID: PMC8385661 DOI: 10.1039/d0sm01442g] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Cells can respond to signals generated by other cells that are remarkably far away. Studies from at least the 1920's showed that cells move toward each other when the distance between them is on the order of a millimeter, which is many times the cell diameter. Chemical signals generated by molecules diffusing from the cell surface would move too slowly and dissipate too fast to account for these effects, suggesting that they might be physical rather than biochemical. The non-linear elastic responses of sparsely connected networks of stiff or semiflexible filament such as those that form the extracellular matrix (ECM) and the cytoskeleton have unusual properties that suggest multiple mechanisms for long-range signaling in biological tissues. These include not only direct force transmission, but also highly non-uniform local deformations, and force-generated changes in fiber alignment and density. Defining how fibrous networks respond to cell-generated forces can help design new methods to characterize abnormal tissues and can guide development of improved biomimetic materials.
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Affiliation(s)
- Farid Alisafaei
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA. and Department of Materials Science and Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Xingyu Chen
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA. and Department of Materials Science and Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Thomas Leahy
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA. and Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA and McKay Orthopaedic Research Laboratory, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Paul A Janmey
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA. and Institute for Medicine and Engineering, University of Pennsylvania, 3340 Smith Walk, Philadelphia, PA 19104, USA and Departments of Physiology, and Physics & Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Vivek B Shenoy
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA. and Department of Materials Science and Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
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