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Jeon I, Lee J, Zhong M, Kim JH. Tailoring Thermoresponsive Polymer Architecture to Enhance Antifouling and Fouling Reversibility of Membranes. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:17610-17619. [PMID: 37910821 DOI: 10.1021/acs.est.3c05514] [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: 11/03/2023]
Abstract
Cleaning a fouled membrane using warm water, instead of commonly used fouling control chemicals, is an approach advocated in resource-limited settings, where small-scale membrane filtration is used to provide clean water. Thermoresponsive polymers coated onto membranes undergo a conformational change across their lower critical solution temperature (LCST), enabling foulant removal during such temperature-swing cleaning. However, their intrinsic hydrophobicity above the LCST poses a fundamental material challenge. In this study, we examine how thermoresponsive polymers can be optimally copolymerized with hydrophilic polymers by precisely manipulating monomer arrangement of thermoresponsive N-isopropylacrylamide and hydrophilic 2-[2-(2-methoxyethoxy)ethoxy]ethyl acrylate. We successfully grafted these copolymers with different monomer arrangements onto poly(ether sulfone) ultrafiltration membranes while maintaining other polymer characteristics, such as the degree of polymerization and grafting density, constant. We found that placing hydrophilic polymer blocks at the outermost surface above the thermoresponsive polymer blocks is critical to achieving high surface hydrophilicity while preserving the thermoresponsive functionality. We demonstrate enhanced fouling resistance and efficient temperature-swing cleaning with optimized copolymer design based on their interaction with bovine serum albumin during static adsorption, filtration, and cleaning processes. These findings emphasize the importance of accurately tailoring the polymer architecture to enable more efficient filtration with reduced fouling and the capability to effectively clean the fouled membrane by simply using warm water.
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Affiliation(s)
- Inhyeong Jeon
- Department of Chemical and Environmental Engineering, Yale University, 17 Hillhouse Ave, New Haven, Connecticut 06511, United States
| | - Junwoo Lee
- Department of Chemical and Environmental Engineering, Yale University, 17 Hillhouse Ave, New Haven, Connecticut 06511, United States
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2
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Recent Advances in Cell Sheet Engineering: From Fabrication to Clinical Translation. Bioengineering (Basel) 2023; 10:bioengineering10020211. [PMID: 36829705 PMCID: PMC9952256 DOI: 10.3390/bioengineering10020211] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/26/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
Cell sheet engineering, a scaffold-free tissue fabrication technique, has proven to be an important breakthrough technology in regenerative medicine. Over the past two decades, the field has developed rapidly in terms of investigating fabrication techniques and multipurpose applications in regenerative medicine and biological research. This review highlights the most important achievements in cell sheet engineering to date. We first discuss cell sheet harvesting systems, which have been introduced in temperature-responsive surfaces and other systems to overcome the limitations of conventional cell harvesting methods. In addition, we describe several techniques of cell sheet transfer for preclinical (in vitro and in vivo) and clinical trials. This review also covers cell sheet cryopreservation, which allows short- and long-term storage of cells. Subsequently, we discuss the cell sheet properties of angiogenic cytokines and vasculogenesis. Finally, we discuss updates to various applications, from biological research to clinical translation. We believe that the present review, which shows and compares fundamental technologies and recent advances in cell engineering, can potentially be helpful for new and experienced researchers to promote the further development of tissue engineering in different applications.
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3
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You Q, Lu M, Li Z, Zhou Y, Tu C. Cell Sheet Technology as an Engineering-Based Approach to Bone Regeneration. Int J Nanomedicine 2022; 17:6491-6511. [PMID: 36573205 PMCID: PMC9789707 DOI: 10.2147/ijn.s382115] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 11/12/2022] [Indexed: 12/24/2022] Open
Abstract
Bone defects that are congenital or the result of infection, malignancy, or trauma represent a challenge to the global healthcare system. To address this issue, multiple research groups have been developing novel cell sheet technology (CST)-based approaches to promote bone regeneration. These methods hold promise for use in regenerative medicine because they preserve cell-cell contacts, cell-extracellular matrix interactions, and the protein makeup of cell membranes. This review introduces the concept and preparation system of the cell sheet (CS), explores the application of CST in bone regeneration, highlights the current states of the bone regeneration via CST, and offers perspectives on the challenges and future research direction of translating current knowledge from the lab to the clinic.
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Affiliation(s)
- Qi You
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China,Sichuan Model Worker and Craftsman Talent Innovation Research Studio, Chengdu, Sichuan Province, People’s Republic of China
| | - Minxun Lu
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China,Sichuan Model Worker and Craftsman Talent Innovation Research Studio, Chengdu, Sichuan Province, People’s Republic of China
| | - Zhuangzhuang Li
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China,Sichuan Model Worker and Craftsman Talent Innovation Research Studio, Chengdu, Sichuan Province, People’s Republic of China
| | - Yong Zhou
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China,Sichuan Model Worker and Craftsman Talent Innovation Research Studio, Chengdu, Sichuan Province, People’s Republic of China
| | - Chongqi Tu
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China,Sichuan Model Worker and Craftsman Talent Innovation Research Studio, Chengdu, Sichuan Province, People’s Republic of China,Correspondence: Chongqi Tu; Yong Zhou, Department of Orthopedics, West China Hospital, Sichuan University, No. 37, Guoxuexiang, Chengdu, 610041, Sichuan Province, People’s Republic of China, Email ;
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4
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De Pieri A, Korntner SH, Capella-Monsonis H, Tsiapalis D, Kostjuk SV, Churbanov S, Timashev P, Gorelov A, Rochev Y, Zeugolis DI. Macromolecular crowding transforms regenerative medicine by enabling the accelerated development of functional and truly three-dimensional cell assembled micro tissues. Biomaterials 2022; 287:121674. [PMID: 35835003 DOI: 10.1016/j.biomaterials.2022.121674] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 07/03/2022] [Accepted: 07/06/2022] [Indexed: 11/22/2022]
Abstract
Scaffold-free in vitro organogenesis exploits the innate ability of cells to synthesise and deposit their own extracellular matrix to fabricate tissue-like assemblies. Unfortunately, cell-assembled tissue engineered concepts require prolonged ex vivo culture periods of very high cell numbers for the development of a borderline three-dimensional implantable device, which are associated with phenotypic drift and high manufacturing costs, thus, hindering their clinical translation and commercialisation. Herein, we report the accelerated (10 days) development of a truly three-dimensional (338.1 ± 42.9 μm) scaffold-free tissue equivalent that promotes fast wound healing and induces formation of neotissue composed of mature collagen fibres, using human adipose derived stem cells seeded at only 50,000 cells/cm2 on an poly (N-isopropylacrylamide-co-N-tert-butylacrylamide (PNIPAM86-NTBA14) temperature-responsive electrospun scaffold and grown under macromolecular crowding conditions (50 μg/ml carrageenan). Our data pave the path for a new era in scaffold-free regenerative medicine.
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Affiliation(s)
- Andrea De Pieri
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Proxy Biomedical Ltd., Spiddal, Galway, Ireland
| | - Stefanie H Korntner
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Hector Capella-Monsonis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios Tsiapalis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Sergei V Kostjuk
- Department of Chemistry, Belarusian State University and Research Institute for Physical Chemical Problems of the Belarusian State University, Minsk, Belarus; Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Semyon Churbanov
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Alexander Gorelov
- School of Chemistry & Chemical Biology, University College Dublin, Dublin, Ireland
| | - Yuri Rochev
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular & Biomedical Research and School of Mechanical & Materials Engineering, University College Dublin (UCD), Dublin, Ireland.
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Jang Y, Kim H, Jung J, Oh J. Controlled Thin Polydimethylsiloxane Membrane with Small and Large Micropores for Enhanced Attachment and Detachment of the Cell Sheet. MEMBRANES 2022; 12:membranes12070688. [PMID: 35877891 PMCID: PMC9315480 DOI: 10.3390/membranes12070688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/30/2022] [Accepted: 06/30/2022] [Indexed: 02/01/2023]
Abstract
Polydimethylsiloxane (PDMS) membranes can allow the precise control of well-defined micropore generation. A PDMS solution was mixed with a Rushton impeller to generate a large number of microbubbles. The mixed solution was spin-coated on silicon wafer to control the membrane thickness. The microbubbles caused the generation of a large number of small and large micropores in the PDMS membranes with decreased membrane thickness. The morphology of the thinner porous PDMS membrane induced higher values of roughness, Young’s modulus, contact angle, and air permeability. At day 7, the viability of cells on the porous PDMS membranes fabricated at the spin-coating speed of 5000 rpm was the highest (more than 98%) due to their internal networking structure and surface properties. These characteristics closely correlated with the increased formation of actin stress fibers and migration of keratinocyte cells, resulting in enhanced physical connection of actin stress fibers of neighboring cells throughout the discontinuous adherent junctions. The intact detachment of a cell sheet attached to a porous PDMS membrane was demonstrated. Therefore, PDMS has a great potential for enhancing the formation of cell sheets in regenerative medicine.
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Affiliation(s)
- Yeongseok Jang
- Department of Mechanical Design Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Korea;
| | - Hyojae Kim
- Center for Social Innovation Policy, Office of S&T Policy Planning, Korea Institute of S&T Evaluation and Planning, Eumseong 27740, Korea;
| | - Jinmu Jung
- Department of Nano-bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (J.J.); (J.O.); Tel.: +82-632704572 (J.J.); +82-632702451 (J.O.)
| | - Jonghyun Oh
- Department of Nano-bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (J.J.); (J.O.); Tel.: +82-632704572 (J.J.); +82-632702451 (J.O.)
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6
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Smart membranes for biomedical applications. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Nagase K. Thermoresponsive interfaces obtained using poly(N-isopropylacrylamide)-based copolymer for bioseparation and tissue engineering applications. Adv Colloid Interface Sci 2021; 295:102487. [PMID: 34314989 DOI: 10.1016/j.cis.2021.102487] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/09/2021] [Accepted: 07/10/2021] [Indexed: 12/11/2022]
Abstract
Poly(N-isopropylacrylamide) (PNIPAAm) is the most well-known and widely used stimuli-responsive polymer in the biomedical field owing to its ability to undergo temperature-dependent hydration and dehydration with temperature variations, causing hydrophilic and hydrophobic alterations. This temperature-dependent property of PNIPAAm provides functionality to interfaces containing PNIPAAm. Notably, the hydrophilic and hydrophobic alterations caused by the change in the temperature-responsive property of PNIPAAm-modified interfaces induce temperature-modulated interactions with biomolecules, proteins, and cells. This intrinsic property of PNIPAAm can be effectively used in various biomedical applications, particularly in bioseparation and tissue engineering applications, owing to the functionality of PNIPAAm-modified interfaces based on the temperature modulation of the interaction between PNIPAAm-modified interfaces and biomolecules and cells. This review focuses on PNIPAAm-modified interfaces in terms of preparation method, properties, and their applications. Advances in PNIPAAm-modified interfaces for existing and developing applications are also summarized.
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Affiliation(s)
- Kenichi Nagase
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato, Tokyo 105-8512, Japan.
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8
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Choi A, Yoon H, Han SJ, Lee JH, Rhyou IH, Kim DS. Rapid harvesting of stem cell sheets by thermoresponsive bulk poly( N-isopropylacrylamide) (PNIPAAm) nanotopography. Biomater Sci 2021; 8:5260-5270. [PMID: 32930245 DOI: 10.1039/d0bm01338b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
To date, cell sheet engineering-based technologies have actualized diverse scaffold-free bio-products to revitalize unintentionally damaged tissues/organs, including cardiomyopathy, corneal defects, and periodontal damage. Although substantial interest is now centered on the practical utilization of these bio-products for patients, the long harvest period of stem cells- or other primary cell-sheets has become a huge hurdle. Here, we dramatically reduce the total harvest period of a cell sheet (from cell layer formation to cell sheet detachment) composed of human bone marrow mesenchymal stem cells (hBMSCs) down to 2 d with the help of bulk thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) substrate nanotopography, which is not achievable via the previous grafting methods using PNIPAAm. We directly replicated an isotropic 400 nm-nanopore-array pattern on a bulk PNIPAAm substrate through UV polymerization of highly concentrated NIPAAm monomers, which was achieved using a remarkably increased Young's modulus of bulk PNIPAAm that was 1500 times higher than conventional PNIPAAm. The rapid harvesting of the hBMSC sheet on the bulk PNIPAAm substrate nanotopography was not only based on the accelerated formation and maturation of the hBMSC layer, but also the easy detachment of the hBMSC sheet induced by the abrupt change in the surface roughness of the substrate below the lower critical solution temperature (LCST) owing to the enlarged surface area of the substrate. Our findings may contribute to reverse presumptions about the limitations regarding the grafting methods for the cell sheet harvest and could broaden the practical utilization of cell sheets for patients in the near future.
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Affiliation(s)
- Andrew Choi
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Korea.
| | - Hyungjun Yoon
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Korea.
| | - Seon Jin Han
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Korea.
| | - Ji-Ho Lee
- Department of Orthopedic Surgery, Pohang Semyeong Christianity Hospital, 351 Posco-daero, Pohang, 37816, Korea
| | - In Hyeok Rhyou
- Department of Orthopedic Surgery, Pohang Semyeong Christianity Hospital, 351 Posco-daero, Pohang, 37816, Korea
| | - Dong Sung Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, 37673, Korea.
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9
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Modification of polystyrene cell-culture-dish surfaces by consecutive grafting of poly(acrylamide)/poly(N-isopropylacrylamide) via reversible addition-fragmentation chain transfer-mediated polymerization. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110330] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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10
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Akiyama Y. Design of Temperature-Responsive Cell Culture Surfaces for Cell Sheet Engineering. CYBORG AND BIONIC SYSTEMS 2021; 2021:5738457. [PMID: 36285144 PMCID: PMC9494729 DOI: 10.34133/2021/5738457] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/04/2021] [Indexed: 01/11/2023] Open
Abstract
Temperature-responsive cell culture surfaces, which modulate cell attachment/detachment characteristics with temperature, have been used to fabricate cell sheets. Extensive study on fabrication of cell sheet with the temperature-responsive cell culture surface, manipulation, and transplantation of the cell sheet has established the interdisciplinary field of cell sheet engineering, in which engineering, biological, and medical fields closely collaborate. Such collaboration has pioneered cell sheet engineering, making it a promising and attractive technology in tissue engineering and regenerative medicine. This review introduces concepts of cell sheet engineering, followed by designs for the fabrication of various types of temperature-responsive cell culture surfaces and technologies for cell sheet manipulation. The development of various methods for the fabrication of temperature-responsive cell culture surfaces was also summarized. The availability of cell sheet engineering for the treatment and regeneration of damaged human tissue has also been described, providing examples of the clinical application of cell sheet transplantation in humans.
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Affiliation(s)
- Y. Akiyama
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University, TWIns, Tokyo, Japan
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11
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Imashiro C, Shimizu T. Fundamental Technologies and Recent Advances of Cell-Sheet-Based Tissue Engineering. Int J Mol Sci 2021; 22:E425. [PMID: 33401626 PMCID: PMC7795487 DOI: 10.3390/ijms22010425] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/26/2020] [Accepted: 12/27/2020] [Indexed: 12/13/2022] Open
Abstract
Tissue engineering has attracted significant attention since the 1980s, and the applications of tissue engineering have been expanding. To produce a cell-dense tissue, cell sheet technology has been studied as a promising strategy. Fundamental techniques involving tissue engineering are mainly introduced in this review. First, the technologies to fabricate a cell sheet were reviewed. Although temperature-responsive polymer-based technique was a trigger to establish and spread cell sheet technology, other methodologies for cell sheet fabrication have also been reported. Second, the methods to improve the function of the cell sheet were investigated. Adding electrical and mechanical stimulation on muscle-type cells, building 3D structures, and co-culturing with other cell species can be possible strategies for imitating the physiological situation under in vitro conditions, resulting in improved functions. Finally, culture methods to promote vasculogenesis in the layered cell sheets were introduced with in vivo, ex vivo, and in vitro bioreactors. We believe the present review that shows and compares the fundamental technologies and recent advances for cell-sheet-based tissue engineering should promote further development of tissue engineering. The development of cell sheet technology should promote many bioengineering applications.
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Affiliation(s)
| | - Tatsuya Shimizu
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University, Tokyo 162-8666, Japan;
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Nakhaei K, Ishijima M, Ikeda T, Ghassemi A, Saruta J, Ogawa T. Ultraviolet Light Treatment of Titanium Enhances Attachment, Adhesion, and Retention of Human Oral Epithelial Cells via Decarbonization. MATERIALS (BASEL, SWITZERLAND) 2020; 14:E151. [PMID: 33396339 PMCID: PMC7796045 DOI: 10.3390/ma14010151] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/22/2020] [Accepted: 12/28/2020] [Indexed: 01/01/2023]
Abstract
Early establishment of soft-tissue adhesion and seal at the transmucosal and transcutaneous surface of implants is crucial to prevent infection and ensure the long-term stability and function of implants. Herein, we tested the hypothesis that treatment of titanium with ultraviolet (UV) light would enhance its interaction with epithelial cells. X-ray spectroscopy showed that UV treatment significantly reduced the atomic percentage of surface carbon on titanium from 46.1% to 28.6%. Peak fitting analysis revealed that, among the known adventitious carbon contaminants, C-C and C=O groups were significantly reduced after UV treatment, while other groups were increased or unchanged in percentage. UV-treated titanium attracted higher numbers of human epithelial cells than untreated titanium and allowed more rapid cell spread. Hemi-desmosome-related molecules, integrin β4 and laminin-5, were upregulated at the gene and protein levels in the cells on UV-treated surfaces. The result of the detachment test revealed twice as many cells remaining adherent on UV-treated than untreated titanium. The enhanced cellular affinity of UV-treated titanium was equivalent to laminin-5 coating of titanium. These data indicated that UV treatment of titanium enhanced the attachment, adhesion, and retention of human epithelial cells associated with disproportional removal of adventitious carbon contamination, providing a new strategy to improve soft-tissue integration with implant devices.
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Affiliation(s)
- Kourosh Nakhaei
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (K.N.); (M.I.); (T.I.); (A.G.); (T.O.)
| | - Manabu Ishijima
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (K.N.); (M.I.); (T.I.); (A.G.); (T.O.)
| | - Takayuki Ikeda
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (K.N.); (M.I.); (T.I.); (A.G.); (T.O.)
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, 1-8-13 Kanda Surugadai, Chiyoda-ku 101-8310, Tokyo, Japan
| | - Amirreza Ghassemi
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (K.N.); (M.I.); (T.I.); (A.G.); (T.O.)
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, 2800 College Ave, Alton, IL 62002, USA
| | - Juri Saruta
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (K.N.); (M.I.); (T.I.); (A.G.); (T.O.)
- Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 238-8580, Kanagawa, Japan
| | - Takahiro Ogawa
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (K.N.); (M.I.); (T.I.); (A.G.); (T.O.)
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Khalili M, Asadi M, Kahroba H, Soleyman MR, Andre H, Alizadeh E. Corneal endothelium tissue engineering: An evolution of signaling molecules, cells, and scaffolds toward 3D bioprinting and cell sheets. J Cell Physiol 2020; 236:3275-3303. [PMID: 33090510 DOI: 10.1002/jcp.30085] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 08/31/2020] [Accepted: 09/21/2020] [Indexed: 12/12/2022]
Abstract
Cornea is an avascular and transparent tissue that focuses light on retina. Cornea is supported by the corneal-endothelial layer through regulation of hydration homeostasis. Restoring vision in patients afflicted with corneal endothelium dysfunction-mediated blindness most often requires corneal transplantation (CT), which faces considerable constrictions due to donor limitations. An emerging alternative to CT is corneal endothelium tissue engineering (CETE), which involves utilizing scaffold-based methods and scaffold-free strategies. The innovative scaffold-free method is cell sheet engineering, which typically generates cell layers surrounded by an intact extracellular matrix, exhibiting tunable release from the stimuli-responsive surface. In some studies, scaffold-based or scaffold-free technologies have been reported to achieve promising outcomes. However, yet some issues exist in translating CETE from bench to clinical practice. In this review, we compare different corneal endothelium regeneration methods and elaborate on the application of multiple cell types (stem cells, corneal endothelial cells, and endothelial precursors), signaling molecules (growth factors, cytokines, chemical compounds, and small RNAs), and natural and synthetic scaffolds for CETE. Furthermore, we discuss the importance of three-dimensional bioprinting strategies and simulation of Descemet's membrane by biomimetic topography. Finally, we dissected the recent advances, applications, and prospects of cell sheet engineering for CETE.
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Affiliation(s)
- Mostafa Khalili
- Drug Applied Research Center and Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Asadi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Houman Kahroba
- Biomedicine Institute, and Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Reza Soleyman
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Helder Andre
- Department of Clinical Neuroscience, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Effat Alizadeh
- Drug Applied Research Center and Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Zhu Y, Zou C, Zhang J, Jiang W, Guan F, Tang K, Li S, Li G, Wang J, Ke Z. Dynamically Monitoring the Clonal Evolution of Lung Cancer Based on the Molecular Characterization of Circulating Tumor Cells Using Aptamer Cocktail-Modified Nanosubstrates. ACS APPLIED MATERIALS & INTERFACES 2020; 12:5671-5679. [PMID: 31940177 DOI: 10.1021/acsami.9b22234] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Dynamically monitoring the clonal evolution of lung cancer and performing molecular analyses on tumor cells are challenging but necessary tasks to adjust therapeutic interventions and evaluate treatment efficacy. Circulating tumor cells (CTCs), as a "liquid biopsy", may offer an auxiliary tool to identify phenotypic transformation of solid tumors at primary or metastatic sites and uncover their corresponding molecular variation. Herein, we developed an aptamer-modified PEG-PLGA-nanofiber (PPN) microfluidic system optimized for recognizing rare CTC subtypes in lung cancer patients. This unique purification system can be adopted to monitor the clonal evolution of solid tumors by following the intrinsic immunophenotypes of CTCs, while significantly enhancing capture efficiency for polyclonal-derived tumor cells, further facilitating therapeutic evaluation via dynamic CTC enumeration. Combining with downstream single-cell sequencing, the aptamer-modified-PPN microfluidic system was able to provide early insight into tumor heterogeneity and predict histologic transformation in advance, broadening its clinical applications in lung cancer patients.
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Affiliation(s)
- Ying Zhu
- Department of Pathology or Precision Medicine Institute , The First Affiliated Hospital of Sun Yat-Sen University , Guangzhou , Guangdong 510080 , P.R. China
| | - Chang Zou
- Clinical Medical Research Center, the Second Clinical Medical College of Jinan University , the First Affiliated Hospital of Southern University, Shenzhen People's Hospital , Shenzhen , Guangdong 518020 , P.R. China
| | - Jian Zhang
- Department of Thoracic Surgery, The Third Affiliated Hospital , Sun Yat-sen University , Guangzhou , Guangdong 510630 , P.R. China
| | - Wenting Jiang
- Department of Pathology or Precision Medicine Institute , The First Affiliated Hospital of Sun Yat-Sen University , Guangzhou , Guangdong 510080 , P.R. China
| | - Fanglin Guan
- Health Science Center , Xi'an Jiaotong University , Xi'an , Shanxi 710061 , P.R. China
| | - Kejing Tang
- Department of Pathology or Precision Medicine Institute , The First Affiliated Hospital of Sun Yat-Sen University , Guangzhou , Guangdong 510080 , P.R. China
| | - Shuhua Li
- Department of Pathology or Precision Medicine Institute , The First Affiliated Hospital of Sun Yat-Sen University , Guangzhou , Guangdong 510080 , P.R. China
| | - Guannan Li
- Beijing National Laboratory for Molecular Sciences (BNLMS) , Key Laboratory of Organic Solids Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , P.R. China
| | - Jianhong Wang
- Clinical Medical Research Center, the Second Clinical Medical College of Jinan University , the First Affiliated Hospital of Southern University, Shenzhen People's Hospital , Shenzhen , Guangdong 518020 , P.R. China
| | - Zunfu Ke
- Department of Pathology or Precision Medicine Institute , The First Affiliated Hospital of Sun Yat-Sen University , Guangzhou , Guangdong 510080 , P.R. China
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15
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Imato K, Nagata K, Watanabe R, Takeda N. Cell adhesion control by photoinduced LCST shift of PNIPAAm-based brush scaffolds. J Mater Chem B 2020; 8:2393-2399. [DOI: 10.1039/c9tb02958c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cell adhesion was markedly regulated on spiropyran-containing PNIPAAm-based brush scaffolds by photoinduced LCST shift across a standard culture temperature.
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Affiliation(s)
- Keiichi Imato
- Department of Life Science and Medical Bioscience
- Graduate School of Advanced Science and Engineering
- Waseda University (TWIns)
- Tokyo 162-8480
- Japan
| | - Kazuho Nagata
- Department of Life Science and Medical Bioscience
- Graduate School of Advanced Science and Engineering
- Waseda University (TWIns)
- Tokyo 162-8480
- Japan
| | - Rina Watanabe
- Department of Life Science and Medical Bioscience
- Graduate School of Advanced Science and Engineering
- Waseda University (TWIns)
- Tokyo 162-8480
- Japan
| | - Naoya Takeda
- Department of Life Science and Medical Bioscience
- Graduate School of Advanced Science and Engineering
- Waseda University (TWIns)
- Tokyo 162-8480
- Japan
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16
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Sung TC, Yang JS, Yeh CC, Liu YC, Jiang YP, Lu MW, Ling QD, Kumar SS, Chang Y, Umezawa A, Chen H, Higuchi A. The design of a thermoresponsive surface for the continuous culture of human pluripotent stem cells. Biomaterials 2019; 221:119411. [PMID: 31419657 DOI: 10.1016/j.biomaterials.2019.119411] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/02/2019] [Accepted: 08/03/2019] [Indexed: 01/06/2023]
Abstract
Commonly, stem cell culture is based on batch-type culture, which is laborious and expensive. We continuously cultured human pluripotent stem cells (hPSCs) on thermoresponsive dish surfaces, where hPSCs were partially detached on the same thermoresponsive dish by decreasing the temperature of the thermoresponsive dish to be below the lower critical solution temperature for only 30 min. Then, the remaining cells were continuously cultured in fresh culture medium, and the detached stem cells were harvested in the exchanged culture medium. hPSCs were continuously cultured for ten cycles on the thermoresponsive dish surface, which was prepared by coating the surface with poly(N-isopropylacrylamide-co-styrene) and oligovitronectin-grafted poly(acrylic acid-co-styrene) or recombinant vitronectin for hPSC binding sites to maintain hPSC pluripotency. After ten cycles of continuous culture on the thermoresponsive dish surface, the detached cells expressed pluripotency proteins and had the ability to differentiate into cells derived from the three germ layers in vitro and in vivo. Furthermore, the detached cells differentiated into specific cell lineages, such as cardiomyocytes, with high efficiency.
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Affiliation(s)
- Tzu-Cheng Sung
- School of Biomedical Engineering, The Eye Hospital of Wenzhou Medical University, No. 270, Xueyuan Road, Wenzhou, Zhejiang, 325027, China; Department of Chemical and Materials Engineering, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan
| | - Jia-Sin Yang
- Department of Chemical and Materials Engineering, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan
| | - Chih-Chen Yeh
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli, Taoyuan, 320, Taiwan
| | - Ya-Chu Liu
- Department of Chemical and Materials Engineering, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan
| | - Yi-Peng Jiang
- Department of Chemical and Materials Engineering, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan
| | - Ming-Wei Lu
- Department of Chemical and Materials Engineering, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan
| | - Qing-Dong Ling
- Cathay Medical Research Institute, Cathay General Hospital, No. 32, Ln 160, Jian-Cheng Road, Hsi-Chi City, Taipei, 221, Taiwan; Institute of Systems Biology and Bioinformatics, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan
| | - S Suresh Kumar
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Yung Chang
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli, Taoyuan, 320, Taiwan.
| | - Akihiro Umezawa
- Department of Reproduction, National Center for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan
| | - Hao Chen
- School of Biomedical Engineering, The Eye Hospital of Wenzhou Medical University, No. 270, Xueyuan Road, Wenzhou, Zhejiang, 325027, China; Wenzhou Institute, University of Chinese Academy of Science, No. 16, Xinsan Road, Hi-tech Industry Park, Wenzhou, Zhejiang, China
| | - Akon Higuchi
- School of Biomedical Engineering, The Eye Hospital of Wenzhou Medical University, No. 270, Xueyuan Road, Wenzhou, Zhejiang, 325027, China; Department of Chemical and Materials Engineering, National Central University, No. 300, Jhongda RD., Jhongli, Taoyuan, 32001, Taiwan; Department of Reproduction, National Center for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan; Wenzhou Institute, University of Chinese Academy of Science, No. 16, Xinsan Road, Hi-tech Industry Park, Wenzhou, Zhejiang, China; Center for Emergent Matter Science, Riken, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
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17
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Kobayashi Y, Cordonier CEJ, Noda Y, Nagase F, Enomoto J, Kageyama T, Honma H, Maruo S, Fukuda J. Tailored cell sheet engineering using microstereolithography and electrochemical cell transfer. Sci Rep 2019; 9:10415. [PMID: 31320678 PMCID: PMC6639316 DOI: 10.1038/s41598-019-46801-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 07/07/2019] [Indexed: 02/07/2023] Open
Abstract
Postoperative adhesion and occlusion remain a serious issue associated with various surgeries, including endoscopic surgery, in which proliferated fibrous tissues stick to adjacent tissues and often cause severe complications. Cell sheet engineering has emerged as an effective approach not only for cell transplantation but also for the treatment of postoperative adhesion and occlusion. However, as the tissues in the body, such as middle ear and small intestine, and typical operative sites are non-flat and spatially complicated, tailored cell sheets with three-dimensional (3D) configurations may lead to widespread use of this approach. In the present study, we used microstereolithography, biocompatible gold plating, and electrochemical cell detachment to achieve this purpose. Various objects with dimensions ranging from millimeter- to micrometer-scale were fabricated with photocurable resin using lab-made equipment for microstereolithography. To coat the fabricated objects with a thin gold layer, conventional cyanide-based gold plating was unusable because it severely damaged almost all cells. Electroless non-cyanide gold plating we prepared was cytocompatible and suitable for electrochemical cell detachment. Cell sheets on the gold-plated substrate could be directly transplanted into a mouse intraperitoneally using electrochemical cell detachment. We further demonstrated that cell sheets grown on gold-coated 3D objects were rapidly detached along with the desorption of electroactive-oligopeptide monolayer and transferred to a surrounding hydrogel. This approach may provide a promising strategy to prepare and directly transplant tailor-made cell sheets with suitable configurations.
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Affiliation(s)
- Yuka Kobayashi
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | | | - Yohei Noda
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | - Fuminori Nagase
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | - Junko Enomoto
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | - Tatsuto Kageyama
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | - Hideo Honma
- Faculty of Engineering, Kanto Gakuin University, 1162-2 Ogikubo, Odawara, 250-0022, Japan
| | - Shoji Maruo
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | - Junji Fukuda
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan.
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18
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Lu Y, Zhang W, Wang J, Yang G, Yin S, Tang T, Yu C, Jiang X. Recent advances in cell sheet technology for bone and cartilage regeneration: from preparation to application. Int J Oral Sci 2019; 11:17. [PMID: 31110170 PMCID: PMC6527566 DOI: 10.1038/s41368-019-0050-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 03/08/2019] [Accepted: 04/10/2019] [Indexed: 12/19/2022] Open
Abstract
Bone defects caused by trauma, tumour resection, infection and congenital deformities, together with articular cartilage defects and cartilage-subchondral bone complex defects caused by trauma and degenerative diseases, remain great challenges for clinicians. Novel strategies utilising cell sheet technology to enhance bone and cartilage regeneration are being developed. The cell sheet technology has shown great clinical potential in regenerative medicine due to its effective preservation of cell-cell connections and extracellular matrix and its scaffold-free nature. This review will first introduce several widely used cell sheet preparation systems, including traditional approaches and recent improvements, as well as their advantages and shortcomings. Recent advances in utilising cell sheet technology to regenerate bone or cartilage defects and bone-cartilage complex defects will be reviewed. The key challenges and future research directions for the application of cell sheet technology in bone and cartilage regeneration will also be discussed.
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Affiliation(s)
- Yuezhi Lu
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Wenjie Zhang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Jie Wang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Guangzheng Yang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Shi Yin
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Tingting Tang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chunhua Yu
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China.
| | - Xinquan Jiang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Engineering Research Center of Advanced Dental Technology and Materials; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China.
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19
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Kobayashi J, Kikuchi A, Aoyagi T, Okano T. Cell sheet tissue engineering: Cell sheet preparation, harvesting/manipulation, and transplantation. J Biomed Mater Res A 2019; 107:955-967. [DOI: 10.1002/jbm.a.36627] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 01/24/2019] [Indexed: 01/04/2023]
Affiliation(s)
- Jun Kobayashi
- Institute of Advanced Biomedical Engineering and Science Tokyo Women's Medical University TWIns, 8‐1 Kawadacho, Shinjuku‐ku, Tokyo, 162‐8666 Japan
| | - Akihiko Kikuchi
- Department of Materials Science and Technology, Faculty of Industrial Science and Technology Tokyo University of Science 6‐3‐1, Niijuku, Katsushika‐ku, Tokyo, 125‐8585 Japan
| | - Takao Aoyagi
- Department of Materials and Applied Chemistry College of Science and Technology, Nihon University 1‐8‐14 Kanda Surugadai, Chiyoda‐ku, Tokyo, 101‐8308 Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science Tokyo Women's Medical University TWIns, 8‐1 Kawadacho, Shinjuku‐ku, Tokyo, 162‐8666 Japan
- Cell Sheet Tissue Engineering Center and Department of Pharmaceutics and Pharmaceutical Chemistry University of Utah 30 South 2000 East, Salt Lake City Utah, 84112
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20
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Shotorbani BB, André H, Barzegar A, Zarghami N, Salehi R, Alizadeh E. Cell sheet biofabrication by co-administration of mesenchymal stem cells secretome and vitamin C on thermoresponsive polymer. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:170. [PMID: 30392027 DOI: 10.1007/s10856-018-6180-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 10/19/2018] [Indexed: 06/08/2023]
Abstract
Cell sheet technology aims at replacement of artificial extracellular matrix (ECM) or scaffolds, popular in tissue engineering, with natural cell derived ECM. Adipose tissue mesenchymal stem cells (ASCs) have the ability of ECM secretion and presented promising outcomes in clinical trials. As well, different studies found that secretome of ASCs could be suitable for triggering cell free regeneration induction. The aim of this study was to investigate the effect of using two bio-factors: secretome of ASCs (SE) and vitamin C (VC) for cell sheet engineering on a thermosensitive poly N-isopropyl acryl amide-Methacrylic acid (P(NIPAAm-MAA)) hydrogel. The results revealed that using thermosensitive P(NIPAAm-MAA) copolymer as matrix for cell sheet engineering lead to a rapid ON⁄OFF adhesion/deadhesion system by reducing temperature without enzymatic treatment (complete cell sheet release takes just 6 min). In addition, our study showed the potential of SE for inducing ASCs sheet formation. H&E staining exhibited the properties of a well-formed tissue layer with a dense ECM in sheets prepared by both SE and VC factors, as compared to those of VC or SE alone. Functional synergism of SE and VC exhibited statistically significant enhanced functionality regarding up-regulation of stemness genes expression, reduced β-galactosidase associated senescence, and facilitated sheet release. Additionally, alkaline phosphatase activity (ALP), mineralized deposits and osteoblast matrix around cells confirmed a better performance of ostogenic differentiation of ASCs induced by VC and SE. It was concluded that SE of ASCs and VC could be outstanding biofactors applicable for cell sheet technology.
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Affiliation(s)
- Behnaz Banimohammad Shotorbani
- The Umbilical Cord Stem Cell Research Center (UCSRC), Tabriz University of Medical Sciences, Tabriz, Iran
- Research Institute for Fundamental Sciences (RIFS), University of Tabriz, Tabriz, Iran
| | - Helder André
- Department of Clinical Neuroscience, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Abolfazl Barzegar
- Research Institute for Fundamental Sciences (RIFS), University of Tabriz, Tabriz, Iran
| | - Nosratollah Zarghami
- The Umbilical Cord Stem Cell Research Center (UCSRC), Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roya Salehi
- Drug Applied Research Center and Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Effat Alizadeh
- The Umbilical Cord Stem Cell Research Center (UCSRC), Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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21
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AKIYAMA Y, OKANO T. Temperature-Responsive Cell Culture Surface for Cell-Sheet Tissue Engineering and Its Design to Express Temperature-Dependent Cell Attachment/Detachment Character. KOBUNSHI RONBUNSHU 2018. [DOI: 10.1295/koron.2017-0078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yoshikatsu AKIYAMA
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University
| | - Teruo OKANO
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University
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22
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Design of Temperature-Responsive Cell Culture Surfaces for Cell Sheet-Based Regenerative Therapy and 3D Tissue Fabrication. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1078:371-393. [PMID: 30357633 DOI: 10.1007/978-981-13-0950-2_19] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This chapter describes the concept of "cell sheet engineering" for the creation of transplantable cellular tissues and organs. In contrast to scaffold-based tissue engineering, cell sheet engineering facilitates the reconstruction of scaffold-free, cell-dense tissues. Cell sheets were harvested by changing the temperature of thermoresponsive cell culture surfaces modified with poly(N-isopropylacrylamide) (PIPAAm) with a thickness on the nanometer scale. The transplantation of 2D cell sheet tissues has been used in clinical settings. Although 3D tissues were formed simply by layering 2D cell sheets, issues related to vascularization within 3D tissues and the large-scale production of cells must be addressed to create thick and large 3D tissues and organs.
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23
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Ko YG, Kim YJ, Park WH, Cho D, Chung HY, Kwon OH. Surface modification of PHBV nanofiber mats for rapid cell cultivation and harvesting. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 29:1026-1041. [PMID: 29212419 DOI: 10.1080/09205063.2017.1414481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
To maintain the original function of a specific tissue for therapeutic tissue engineering, an advanced cell culture surface for repeat cell proliferation is necessary. We designed a novel cell proliferation and rapid harvesting surface by combining nonwoven nanofiber mat and a thermo-responsive polymer. Nanofibrous poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) mats were fabricated by the electrospinning technique. A poly(N-isopropylacrylamide) (PNIPAM) thermo-responsive layer was grafted on the PHBV nanofiber mat by electron beam irradiation. The average diameter of the PNIPAM-grafted PHBV nanofibers was determined by SEM. ATR-FTIR and ESCA were used to confirm the grafting of PNIPAM onto the PHBV nanofiber surface. Water contact angles on the mats were measured in response to temperature changes. Human adipose-derived stem cells (ADSCs) were cultured on the PNIPAM-grafted PHBV nanofiber mat to investigate cell proliferation, harvesting, and functionality during repeat subculture. Detached ADSCs from each surface by low temperature treatment and trypsin-EDTA were compared by a fluorescence-activated cell sorter (FACS) using expression of stem cell membrane-specific markers such as CD-13 PE, CD-29 PE, and CD-90 FITC. The mass cultivation and intact harvesting of stem cells by low temperature treatment using a thermo-responsive PHBV nanofiber mat is a promising technique for use in regenerative medicine and stem cell therapy.
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Affiliation(s)
- Young-Gwang Ko
- a Department of Polymer Science and Engineering , Kumoh National Institute of Technology , Gumi , Korea
| | - Young-Jin Kim
- a Department of Polymer Science and Engineering , Kumoh National Institute of Technology , Gumi , Korea
| | - Won Ho Park
- b Department of Advanced Organic Materials and Textile System Engineering , Chungnam National University , Daejeon , Korea
| | - Donghwan Cho
- a Department of Polymer Science and Engineering , Kumoh National Institute of Technology , Gumi , Korea
| | - Ho Yun Chung
- c Department of Plastic and Reconstructive Surgery, School of Medicine , Kyungpook National University , Daegu , Korea
| | - Oh Hyeong Kwon
- a Department of Polymer Science and Engineering , Kumoh National Institute of Technology , Gumi , Korea
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24
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Abstract
This review is focused on the use of membranes for the specific application of bone regeneration. The first section focuses on the relevance of membranes in this context and what are the specifications that they should possess to improve the regeneration of bone. Afterward, several techniques to engineer bone membranes by using "bulk"-like methods are discussed, where different parameters to induce bone formation are disclosed in a way to have desirable structural and functional properties. Subsequently, the production of nanostructured membranes using a bottom-up approach is discussed by highlighting the main advances in the field of bone regeneration. Primordial importance is given to the promotion of osteoconductive and osteoinductive capability during the membrane design. Whenever possible, the films prepared using different techniques are compared in terms of handability, bone guiding ability, osteoinductivity, adequate mechanical properties, or biodegradability. A last chapter contemplates membranes only composed by cells, disclosing their potential to regenerate bone.
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Affiliation(s)
- Sofia G Caridade
- 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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25
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Nagase K, Yamato M, Kanazawa H, Okano T. Poly(N-isopropylacrylamide)-based thermoresponsive surfaces provide new types of biomedical applications. Biomaterials 2017; 153:27-48. [PMID: 29096399 DOI: 10.1016/j.biomaterials.2017.10.026] [Citation(s) in RCA: 236] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 10/12/2017] [Accepted: 10/15/2017] [Indexed: 02/06/2023]
Abstract
Thermoresponsive surfaces, prepared by grafting of poly(N-isopropylacrylamide) (PIPAAm) or its copolymers, have been investigated for biomedical applications. Thermoresponsive cell culture dishes that show controlled cell adhesion and detachment following external temperature changes, represent a promising application of thermoresponsive surfaces. These dishes can be used to fabricate cell sheets, which are currently used as effective therapies for patients. Thermoresponsive microcarriers for large-scale cell cultivation have also been developed by taking advantage of the thermally modulated cell adhesion and detachment properties of thermoresponsive surfaces. Furthermore, thermoresponsive bioseparation systems using thermoresponsive surfaces for separating and purifying pharmaceutical proteins and therapeutic cells have been developed, with the separation systems able to maintain their activity and biological potency throughout the procedure. These applications of thermoresponsive surfaces have been improved with progress in preparation techniques of thermoresponsive surfaces, such as polymerization methods, and surface modification techniques. In the present review, the various types of PIPAAm-based thermoresponsive surfaces are summarized by describing their preparation methods, properties, and successful biomedical applications.
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Affiliation(s)
- Kenichi Nagase
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato, Tokyo 105-8512, Japan; Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, TWIns, 8-1 Kawadacho, Shinjuku, Tokyo 162-8666, Japan.
| | - Masayuki Yamato
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, TWIns, 8-1 Kawadacho, Shinjuku, Tokyo 162-8666, Japan
| | - Hideko Kanazawa
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato, Tokyo 105-8512, Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, TWIns, 8-1 Kawadacho, Shinjuku, Tokyo 162-8666, Japan; Cell Sheet Tissue Engineering Center (CSTEC) and Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, 30 South 2000 East, Salt Lake City, Utah 84112, USA.
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26
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Graisuwan W, Puthong S, Zhao H, Kiatkamjornwong S, Theato P, Hoven VP. Thermoresponsive and Active Functional Fiber Mats for Cultured Cell Recovery. Biomacromolecules 2017; 18:3714-3725. [DOI: 10.1021/acs.biomac.7b00382] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | - Hui Zhao
- Institute
for Technical and Macromolecular Chemistry, University of Hamburg, Bundesstrasse 45, D-20146, Hamburg, Germany
| | | | - Patrick Theato
- Institute
for Technical and Macromolecular Chemistry, University of Hamburg, Bundesstrasse 45, D-20146, Hamburg, Germany
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27
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Li J, Fan X, Yang L, Wang F, Zhang J, Wang Z. A review on thermoresponsive cell culture systems based on poly(N-isopropylacrylamide) and derivatives. INT J POLYM MATER PO 2017. [DOI: 10.1080/00914037.2017.1327436] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jiaxing Li
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Xiaoguang Fan
- College of Engineering, Shenyang Agricultural University, Shenyang, People’s Republic of China
| | - Lei Yang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Fei Wang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Jing Zhang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Zhanyong Wang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
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28
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Uto K, Tsui JH, DeForest CA, Kim DH. Dynamically Tunable Cell Culture Platforms for Tissue Engineering and Mechanobiology. Prog Polym Sci 2017; 65:53-82. [PMID: 28522885 PMCID: PMC5432044 DOI: 10.1016/j.progpolymsci.2016.09.004] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Human tissues are sophisticated ensembles of many distinct cell types embedded in the complex, but well-defined, structures of the extracellular matrix (ECM). Dynamic biochemical, physicochemical, and mechano-structural changes in the ECM define and regulate tissue-specific cell behaviors. To recapitulate this complex environment in vitro, dynamic polymer-based biomaterials have emerged as powerful tools to probe and direct active changes in cell function. The rapid evolution of polymerization chemistries, structural modulation, and processing technologies, as well as the incorporation of stimuli-responsiveness, now permit synthetic microenvironments to capture much of the dynamic complexity of native tissue. These platforms are comprised not only of natural polymers chemically and molecularly similar to ECM, but those fully synthetic in origin. Here, we review recent in vitro efforts to mimic the dynamic microenvironment comprising native tissue ECM from the viewpoint of material design. We also discuss how these dynamic polymer-based biomaterials are being used in fundamental cell mechanobiology studies, as well as towards efforts in tissue engineering and regenerative medicine.
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Affiliation(s)
- Koichiro Uto
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, United States
| | - Jonathan H. Tsui
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, United States
| | - Cole A. DeForest
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, United States
- Department of Chemical Engineering, University of Washington, 4000 15th Ave NE, Seattle, WA 98195, United States
| | - Deok-Ho Kim
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA 98195, United States
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29
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Okeyo KO, Kurosawa O, Oana H, Kotera H, Washizu M. Minimization of cell-substrate interaction using suspended microstructured meshes initiates cell sheet formation by self-assembly organization. Biomed Phys Eng Express 2016. [DOI: 10.1088/2057-1976/2/6/065019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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30
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Laradji AM, McNitt CD, Yadavalli NS, Popik VV, Minko S. Robust, Solvent-Free, Catalyst-Free Click Chemistry for the Generation of Highly Stable Densely Grafted Poly(ethylene glycol) Polymer Brushes by the Grafting To Method and Their Properties. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01573] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Amine M. Laradji
- Nanostructured Materials Lab and ‡Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Christopher D. McNitt
- Nanostructured Materials Lab and ‡Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Nataraja S. Yadavalli
- Nanostructured Materials Lab and ‡Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Vladimir V. Popik
- Nanostructured Materials Lab and ‡Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
| | - Sergiy Minko
- Nanostructured Materials Lab and ‡Department of Chemistry, The University of Georgia, Athens, Georgia 30602, United States
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31
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Kumar P, Pandit A, Zeugolis DI. Progress in Corneal Stromal Repair: From Tissue Grafts and Biomaterials to Modular Supramolecular Tissue-Like Assemblies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:5381-5399. [PMID: 27028373 DOI: 10.1002/adma.201503986] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Revised: 12/31/2015] [Indexed: 06/05/2023]
Abstract
Corneal injuries and degenerative conditions have major socioeconomic consequences, given that in most cases, they result in blindness. In the quest of the ideal therapy, tissue grafts, biomaterials, and modular engineering approaches are under intense investigation. Herein, advancements and shortfalls are reviewed and future perspectives for these therapeutic strategies discussed.
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Affiliation(s)
- Pramod Kumar
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biosciences Research Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Center for Research in Medical Devices (CÚRAM), Biosciences Research Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Abhay Pandit
- Center for Research in Medical Devices (CÚRAM), Biosciences Research Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biosciences Research Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Center for Research in Medical Devices (CÚRAM), Biosciences Research Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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32
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Chen G, Li H, Das S. Scaling Relationships for Spherical Polymer Brushes Revisited. J Phys Chem B 2016; 120:5272-7. [DOI: 10.1021/acs.jpcb.6b01609] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Guang Chen
- Department
of Mechanical
Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Hao Li
- Department
of Mechanical
Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Siddhartha Das
- Department
of Mechanical
Engineering, University of Maryland, College Park, Maryland 20742, United States
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33
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Lee J, Jung W, Yeo WS. Preparation of Co-cultured Cell Sheets Using Electroactive Surfaces. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10782] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jaesung Lee
- Department of Bioscience and Biotechnology; Bio/Molecular Informatics Center, Konkuk University; Seoul 143-701 Korea
| | - Woong Jung
- Department of Emergency Medicine; Kyung Hee University Hospital at Gangdong; Seoul 134-727 Korea
| | - Woon-Seok Yeo
- Department of Bioscience and Biotechnology; Bio/Molecular Informatics Center, Konkuk University; Seoul 143-701 Korea
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34
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Enomoto J, Mochizuki N, Ebisawa K, Osaki T, Kageyama T, Myasnikova D, Nittami T, Fukuda J. Engineering thick cell sheets by electrochemical desorption of oligopeptides on membrane substrates. Regen Ther 2016; 3:24-31. [PMID: 31245469 PMCID: PMC6581802 DOI: 10.1016/j.reth.2015.12.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 12/17/2015] [Accepted: 12/18/2015] [Indexed: 12/20/2022] Open
Abstract
We developed a gold-coated membrane substrate modified with an oligopeptide layer that can be used to grow and subsequently detach a thick cell sheet through an electrochemical reaction. The oligopeptide CCRRGDWLC was designed to contain a cell adhesive domain (RGD) in the center and cysteine residues at both terminals. Cysteine contains a thiol group that forms a gold-thiolate bond on a gold surface. Cells attached to gold-coated membrane substrates via the oligopeptide layer were readily and noninvasively detached by applying a negative electrical potential to cleave the gold-thiolate bond. Because of the effective oxygen supply, fibroblasts vigorously grew on the membrane substrate and the thickness of the cell sheets was ∼60 μm at 14 days of culture, which was 2.9-fold greater than that of cells grown on a conventional culture dish. The cell sheets were detached after 7 min of electrical potential application. Using this approach, five layers of cell sheets were stacked sequentially with thicknesses reaching >200 μm. This approach was also beneficial for rapidly and readily transplanting cell sheets. Grafted cell sheets secreted collagen and remained at the transplanted site for at least 2 months after transplantation. This simple electrochemical cell sheet engineering technology is a promising tool for tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Junko Enomoto
- Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Naoto Mochizuki
- Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Katsumi Ebisawa
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi 466-8560, Japan
| | - Tatsuya Osaki
- Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Tatsuto Kageyama
- Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Dina Myasnikova
- Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Tadashi Nittami
- Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
| | - Junji Fukuda
- Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
- Corresponding author. Tel./fax: +81 45 339 4008.
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35
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Sakuma M, Kumashiro Y, Nakayama M, Tanaka N, Haraguchi Y, Umemura K, Shimizu T, Yamato M, Okano T. Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering. J Vis Exp 2016:e53465. [PMID: 26967769 DOI: 10.3791/53465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Thermoresponsive poly(N-isopropylacrylamide) (PIPAAm)-immobilized surfaces for controlling cell adhesion and detachment were fabricated by the Langmuir-Schaefer method. Amphiphilic block copolymers composed of polystyrene and PIPAAm (St-IPAAms) were synthesized by reversible addition-fragmentation chain transfer (RAFT) radical polymerization. A chloroform solution of St-IPAAm molecules was gently dropped into a Langmuir-trough apparatus, and both barriers of the apparatus were moved horizontally to compress the film to regulate its density. Then, the St-IPAAm Langmuir film was horizontally transferred onto a hydrophobically modified glass substrate by a surface-fixed device. Atomic force microscopy images clearly revealed nanoscale sea-island structures on the surface. The strength, rate, and quality of cell adhesion and detachment on the prepared surface were modulated by changes in temperature across the lower critical solution temperature range of PIPAAm molecules. In addition, a two-dimensional cell structure (cell sheet) was successfully recovered on the optimized surfaces. These unique PIPAAm surfaces may be useful for controlling the strength of cell adhesion and detachment.
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Affiliation(s)
| | - Yoshikazu Kumashiro
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University;
| | - Masamichi Nakayama
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University
| | - Nobuyuki Tanaka
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University
| | - Yuji Haraguchi
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University
| | | | - Tatsuya Shimizu
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University
| | - Masayuki Yamato
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University;
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36
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Kim YJ, Kim SH, Fujii T, Matsunaga YT. Dual stimuli-responsive smart beads that allow “on–off” manipulation of cancer cells. Biomater Sci 2016; 4:953-7. [DOI: 10.1039/c6bm00186f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Temperature- and electric field-responsive polymer-conjugated polystyrene beads, termed smart beads, are designed to isolate cancer cells.
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Affiliation(s)
- Young-Jin Kim
- Center for International Research on Integrative Biomedical Systems (CIBiS)
- The University of Tokyo
- Tokyo
- Japan
- Japan Society for the Promotion of Science (JSPS)
| | - Soo Hyeon Kim
- Center for International Research on Integrative Biomedical Systems (CIBiS)
- The University of Tokyo
- Tokyo
- Japan
| | - Teruo Fujii
- Center for International Research on Integrative Biomedical Systems (CIBiS)
- The University of Tokyo
- Tokyo
- Japan
| | - Yukiko T. Matsunaga
- Center for International Research on Integrative Biomedical Systems (CIBiS)
- The University of Tokyo
- Tokyo
- Japan
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37
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Ye Y, Huang J, Wang X. Fabrication of a Self-Cleaning Surface via the Thermosensitive Copolymer Brush of P(NIPAAm-PEGMA). ACS APPLIED MATERIALS & INTERFACES 2015; 7:22128-22136. [PMID: 26389775 DOI: 10.1021/acsami.5b07336] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Surface hydrophilicity and the inherent washing force are two crucial factors for constructing an underwater self-cleaning surface. Following this self-cleaning mechanism, we fabricated thermosensitive copolymer brushes of N-isopropylacrylamide (NIPAAm) and poly(ethylene glycol) methacrylate (PEGMA) on the polypropylene (PP) surface. Benefiting from the hydrophilic poly(ethylene glycol) (PEG) side chains, the copolymer brushes with the PEGMA content exceeding 5 mol % exhibited good surface hydrophilicity, whenever at temperatures below or above the lower critical solution temperatures (LCST). Hence their underwater oleophobicity was greatly improved with oil contact angles higher than 141° and oil adhesive forces lower than 20 μN. In addition, the sharp volume-phase transition feature was reserved in their copolymer backbones, as proved by the AFM result. Self-cleaning evaluation of the modified surfaces was performed by a simple temperature-change water cleaning method, after which only 0.2 wt % of oil residues remained on the brush surface of P(NIPAAm-5PEGMA) (with 5 mol % of PEGMA contents). The excellent self-cleaning capability is believed to be ascribed to its balanced surface features in hydrophilicity and the sharper volume-phase transition, when a hydrophilic surface can facilitate oil desorption and an intense conformation change of chain stretching and shrinking can offer the strong washing force to assist oil detachment. This study contributes to development of the underwater self-cleaning surface based on a hydrophilic surface with the chain motion.
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Affiliation(s)
- Yuansong Ye
- College of Material Science and Engineering, Nanjing Tech University , Nanjing 210009, China
| | - Jian Huang
- College of Material Science and Engineering, Nanjing Tech University , Nanjing 210009, China
| | - Xiaolin Wang
- Department of Chemical Engineering, Tsinghua University , Beijing 100084, China
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38
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Oleszko N, Wałach W, Utrata-Wesołek A, Kowalczuk A, Trzebicka B, Klama-Baryła A, Hoff-Lenczewska D, Kawecki M, Lesiak M, Sieroń AL, Dworak A. Controlling the Crystallinity of Thermoresponsive Poly(2-oxazoline)-Based Nanolayers to Cell Adhesion and Detachment. Biomacromolecules 2015; 16:2805-13. [PMID: 26226320 DOI: 10.1021/acs.biomac.5b00745] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Semicrystalline, thermoresponsive poly(2-isopropyl-2-oxazoline) (PIPOx) layers covalently bonded to glass or silica wafers were obtained via the surface-termination of the living polymer chains. Polymer solutions in acetonitrile were exposed to 50 °C for various time periods and were poured onto the functionalized solid wafers. Fibrillar crystallites formed in polymerization solutions settled down onto the wafers next to the amorphous polymer. The amount of crystallites adsorbed on thermoresponsive polymer layers depended on the annealing time of the PIPOx solution. The wettability of PIPOx layers decreased with the increasing amount of crystallites. The higher content of crystallites weakened the temperature response of the layer, as evidenced by the philicity and thickness measurements. Semicrystalline thermoresponsive PIPOx layers were used as biomaterials for human dermal fibroblasts (HDFs) culture and detachment. The presence of crystallites on the PIPOx layers promoted the proliferation of HDFs. Changes in the physicochemical properties of the layer, caused by the temperature response of the polymer, led to the change in the cells shape from a spindle-like to an ellipsoidal shape, which resulted in their detachment. A supporting membrane was used to assist the detachment of the cells from PIPOx biosurfaces and to prevent the rolling of the sheet.
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Affiliation(s)
- Natalia Oleszko
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie -Sklodowskiej 34, 41-819 Zabrze, Poland
| | - Wojciech Wałach
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie -Sklodowskiej 34, 41-819 Zabrze, Poland
| | - Alicja Utrata-Wesołek
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie -Sklodowskiej 34, 41-819 Zabrze, Poland
| | - Agnieszka Kowalczuk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie -Sklodowskiej 34, 41-819 Zabrze, Poland
| | - Barbara Trzebicka
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie -Sklodowskiej 34, 41-819 Zabrze, Poland
| | | | | | - Marek Kawecki
- Center for Burn Treatment, Jana Pawla II, 41-100 Siemianowice Slaskie, Poland
| | - Marta Lesiak
- Department of General, Molecular Biology and Genetics, Medical University of Silesia , Medykow 18, 40-752 Katowice, Poland
| | - Aleksander L Sieroń
- Department of General, Molecular Biology and Genetics, Medical University of Silesia , Medykow 18, 40-752 Katowice, Poland
| | - Andrzej Dworak
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie -Sklodowskiej 34, 41-819 Zabrze, Poland
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39
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Teichmann J, Nitschke M, Pette D, Valtink M, Gramm S, Härtel FV, Noll T, Funk RHW, Engelmann K, Werner C. Thermo-responsive cell culture carriers based on poly(vinyl methyl ether)-the effect of biomolecular ligands to balance cell adhesion and stimulated detachment. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2015; 16:045003. [PMID: 27877823 PMCID: PMC5090182 DOI: 10.1088/1468-6996/16/4/045003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 06/19/2015] [Accepted: 06/22/2015] [Indexed: 06/06/2023]
Abstract
Two established material systems for thermally stimulated detachment of adherent cells were combined in a cross-linked polymer blend to merge favorable properties. Through this approach poly(N-isopropylacrylamide) (PNiPAAm) with its superior switching characteristic was paired with a poly(vinyl methyl ether)-based composition that allows adjusting physico-chemical and biomolecular properties in a wide range. Beyond pure PNiPAAm, the proposed thermo-responsive coating provides thickness, stiffness and swelling behavior, as well as an apposite density of reactive sites for biomolecular functionalization, as effective tuning parameters to meet specific requirements of a particular cell type regarding initial adhesion and ease of detachment. To illustrate the strength of this approach, the novel cell culture carrier was applied to generate transplantable sheets of human corneal endothelial cells (HCEC). Sheets were grown, detached, and transferred onto planar targets. Cell morphology, viability and functionality were analyzed by immunocytochemistry and determination of transepithelial electrical resistance (TEER) before and after sheet detachment and transfer. HCEC layers showed regular morphology with appropriate TEER. Cells were positive for function-associated marker proteins ZO-1, Na+/K+-ATPase, and paxillin, and extracellular matrix proteins fibronectin, laminin and collagen type IV before and after transfer. Sheet detachment and transfer did not impair cell viability. Subsequently, a potential application in ophthalmology was demonstrated by transplantation onto de-endothelialized porcine corneas in vitro. The novel thermo-responsive cell culture carrier facilitates the generation and transfer of functional HCEC sheets. This paves the way to generate tissue engineered human corneal endothelium as an alternative transplant source for endothelial keratoplasty.
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Affiliation(s)
- Juliane Teichmann
- Institute of Anatomy, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials, Hohe Straße 6, D-01069 Dresden, Germany
| | - Mirko Nitschke
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials, Hohe Straße 6, D-01069 Dresden, Germany
| | - Dagmar Pette
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials, Hohe Straße 6, D-01069 Dresden, Germany
| | - Monika Valtink
- Institute of Anatomy, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany
| | - Stefan Gramm
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials, Hohe Straße 6, D-01069 Dresden, Germany
- Herlac Coswig GmbH, Industriestraße 28, D-01640 Coswig, Germany
| | - Frauke V Härtel
- Institute of Physiology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany
| | - Thomas Noll
- Institute of Physiology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany
| | - Richard H W Funk
- Institute of Anatomy, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany
- CRTD/DFG-Center for Regenerative Therapies Dresden—Cluster of Excellence, Fetscherstraße 105, D-01307 Dresden, Germany
| | - Katrin Engelmann
- Institute of Anatomy, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany
- CRTD/DFG-Center for Regenerative Therapies Dresden—Cluster of Excellence, Fetscherstraße 105, D-01307 Dresden, Germany
- Department of Ophthalmology, Klinikum Chemnitz gGmbH, Flemmingstraße 2, D-09116 Chemnitz, Germany
| | - Carsten Werner
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials, Hohe Straße 6, D-01069 Dresden, Germany
- CRTD/DFG-Center for Regenerative Therapies Dresden—Cluster of Excellence, Fetscherstraße 105, D-01307 Dresden, Germany
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40
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Zhuang M, Liu T, Song K, Ge D, Li X. Thermo-responsive poly(N-isopropylacrylamide)-grafted hollow fiber membranes for osteoblasts culture and non-invasive harvest. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 55:410-9. [PMID: 26117772 DOI: 10.1016/j.msec.2015.05.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 04/21/2015] [Accepted: 05/08/2015] [Indexed: 12/29/2022]
Abstract
Hollow fiber membrane (HFM) culture system is one of the most important bioreactors for the large-scale culture and expansion of therapeutic cells. However, enzymatic and mechanical treatments are traditionally applied to harvest the expanded cells from HFMs, which inevitably causes harm to the cells. In this study, thermo-responsive cellulose acetate HFMs for cell culture and non-invasive harvest were prepared for the first time via free radical polymerization in the presence of cerium (IV). ATR-FTIR and elemental analysis results indicated that the poly(N-isopropylacrylamide) (PNIPAAm) was covalently grafted on HFMs successfully. Dynamic contact angle measurements at different temperatures revealed that the magnitude of volume phase transition was decreased with increasing grafted amount of PNIPAAm. And the amount of serum protein adsorbed on HFMs surface also displayed the same pattern. Meanwhile osteoblasts adhered and spread well on the surface of PNIPAAm-grafted HFMs at 37 °C. And Calcein-AM/PI staining, AB assay, ALP activity and OCN protein expression level all showed that PNIPAAm-grafted HFMs had good cell compatibility. After incubation at 20 °C for 120 min, the adhering cells on PNIPAAm-grafted HFMs turned to be round and detached after being gently pipetted. These results suggest that thermo-responsive HFMs are attractive cell culture substrates which enable cell culture, expansion and the recovery without proteolytic enzyme treatment for the application in tissue engineering and regenerative medicine.
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Affiliation(s)
- Meiling Zhuang
- Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Tianqing Liu
- Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Kedong Song
- Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Dan Ge
- Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Xiangqin Li
- Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China.
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41
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Imamura T, Ogawa T, Minagawa T, Yokoyama H, Nakazawa M, Nishizawa O, Ishizuka O. Engineered Bone Marrow-Derived Cell Sheets Restore Structure and Function of Radiation-Injured Rat Urinary Bladders. Tissue Eng Part A 2015; 21:1600-10. [DOI: 10.1089/ten.tea.2014.0592] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Tetsuya Imamura
- Department of Lower Urinary Tract Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Teruyuki Ogawa
- Department of Urology, Shinshu University School of Medicine, Nagano, Japan
| | - Tomonori Minagawa
- Department of Urology, Shinshu University School of Medicine, Nagano, Japan
| | - Hitoshi Yokoyama
- Department of Urology, Shinshu University School of Medicine, Nagano, Japan
| | - Masaki Nakazawa
- Department of Urology, Shinshu University School of Medicine, Nagano, Japan
| | - Osamu Nishizawa
- Department of Lower Urinary Tract Medicine, Shinshu University School of Medicine, Nagano, Japan
- Department of Urology, Shinshu University School of Medicine, Nagano, Japan
| | - Osamu Ishizuka
- Department of Lower Urinary Tract Medicine, Shinshu University School of Medicine, Nagano, Japan
- Department of Urology, Shinshu University School of Medicine, Nagano, Japan
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42
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Kettling F, Vonhören B, Krings JA, Saito S, Ravoo BJ. One-step synthesis of patterned polymer brushes by photocatalytic microcontact printing. Chem Commun (Camb) 2015; 51:1027-30. [DOI: 10.1039/c4cc08646e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A novel method to prepare microstructured polymer brushes using TiO2 nanoparticles and photocatalytic microcontact printing is described.
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Affiliation(s)
- Friederike Kettling
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Benjamin Vonhören
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Jennifer A. Krings
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Susumu Saito
- Graduate School of Science and Institute for Advanced Research
- Nagoya University
- Nagoya 464-8602
- Japan
| | - Bart Jan Ravoo
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
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43
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Shape-changing hydrogel surfaces trigger rapid release of patterned tissue modules. Acta Biomater 2015; 11:96-103. [PMID: 25266505 DOI: 10.1016/j.actbio.2014.09.040] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 08/10/2014] [Accepted: 09/22/2014] [Indexed: 01/08/2023]
Abstract
The formation and assembly of diverse tissue building blocks is considered a promising bottom-up approach for the construction of complex three-dimensional tissues. Patterned shape-changing materials were investigated as an innovative method to form and harvest free-standing tissue modules with preserved spatial organization and cell-cell connections. Arrays of micro-scale surface-attached hydrogels made of a thermoresponsive polymer were used as cell culture supports to fabricate tissue modules of defined geometric shape. Upon stimulation, these hydrogels swelled anisotropically, resulting in significant expansion of the culture surface and subsequent expulsion of the intact tissue modules. By varying the network crosslink density, the surface strain was modulated and a strain threshold for tissue module release was identified. This mechanical mechanism for rapid tissue module harvest was found to require inter- and intra-cellular tension. These results suggest that the cell-matrix adhesions are disrupted by the incompatibility of surface expansion with tissue module cohesion and stiffness, thus providing a novel method of forming and harvesting tissue building blocks by a mechanism independent of the thermal stimulus that induces the biomaterial shape change.
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Sakuma M, Kumashiro Y, Nakayama M, Tanaka N, Umemura K, Yamato M, Okano T. Thermoresponsive Nanostructured Surfaces Generated by the Langmuir–Schaefer Method Are Suitable for Cell Sheet Fabrication. Biomacromolecules 2014; 15:4160-7. [DOI: 10.1021/bm501187a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Morito Sakuma
- Department
of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
- Institute
of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University (TWIns), 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
| | - Yoshikazu Kumashiro
- Institute
of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University (TWIns), 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
| | - Masamichi Nakayama
- Institute
of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University (TWIns), 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
| | - Nobuyuki Tanaka
- Institute
of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University (TWIns), 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
| | - Kazuo Umemura
- Department
of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Masayuki Yamato
- Institute
of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University (TWIns), 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
| | - Teruo Okano
- Institute
of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University (TWIns), 8-1 Kawadacho, Shinjuku, Tokyo, 162-8666, Japan
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45
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Tang Z, Okano T. Recent development of temperature-responsive surfaces and their application for cell sheet engineering. Regen Biomater 2014; 1:91-102. [PMID: 26816628 PMCID: PMC4669004 DOI: 10.1093/rb/rbu011] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 08/29/2014] [Accepted: 08/30/2014] [Indexed: 12/16/2022] Open
Abstract
Cell sheet engineering, which fabricates sheet-like tissues without biodegradable scaffolds, has been proposed as a novel approach for tissue engineering. Cells have been cultured and proliferate to confluence on a temperature-responsive cell culture surface at 37°C. By decreasing temperature to 20°C, an intact cell sheet can be harvested from the culture surface without enzymatic treatment. This new approach enables cells to keep their cell–cell junction, cell surface proteins and extracellular matrix. Therefore, recovered cell sheet can be easily not only transplanted to host tissue, but also constructed a three-dimensional (3D) tissue by layering cell sheets. Moreover, cell sheet manipulation technology and bioreactor have been combined with the cell sheet technology to fabricate a complex and functional 3D tissue in vitro. So far, cell sheet technology has been applied in regenerative medicine for several tissues, and a number of clinical studies have been performed. In this review, recent advances in the preparation of temperature-responsive cell culture surface, the fabrication of organ-like tissue and the clinical application of cell sheet engineering are summarized and discussed.
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Affiliation(s)
- Zhonglan Tang
- Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
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Higuchi A, Ling QD, Kumar SS, Chang Y, Kao TC, Munusamy MA, Alarfaj AA, Hsu ST, Umezawa A. External stimulus-responsive biomaterials designed for the culture and differentiation of ES, iPS, and adult stem cells. Prog Polym Sci 2014. [DOI: 10.1016/j.progpolymsci.2014.05.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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47
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Inada N, Asakawa H, Matsumoto Y, Fukuma T. Molecular-scale surface structures of oligo(ethylene glycol)-terminated self-assembled monolayers investigated by frequency modulation atomic force microscopy in aqueous solution. NANOTECHNOLOGY 2014; 25:305602. [PMID: 25008429 DOI: 10.1088/0957-4484/25/30/305602] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The structure and protein resistance of oligo(ethylene glycol)-terminated self-assembled monolayers (OEG-SAMs) have been studied intensively using various techniques. However, their molecular-scale surface structures have not been well understood. In this study, we performed molecular-resolution imaging of OH-terminated SAMs (OH-SAMs) and hexa(ethylene glycol) SAMs (EG(6)OH-SAMs) formed on a Au(111) surface in an aqueous solution by frequency modulation atomic force microscopy (FM-AFM). The results show that most of the ethylene glycol (EG) chains in an EG(6)OH-SAM are closely packed and well-ordered to present a molecularly flat surface even in an aqueous solution. In addition, we found that EG(6)OH-SAMs have nanoscale defects, where molecules take a disordered arrangement with their molecular axes parallel to the substrate surface. We also found that the domain size (50-200 nm) of an EG(6)OH-SAM is much larger than that of OH-SAMs (10-40 nm). These findings should significantly advance molecular-scale understanding about the surface structure of OEG-SAMs.
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Affiliation(s)
- N Inada
- Division of Electrical Engineering and Computer Science, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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48
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Akiyama Y, Kikuchi A, Yamato M, Okano T. Accelerated cell-sheet recovery from a surface successively grafted with polyacrylamide and poly(N-isopropylacrylamide). Acta Biomater 2014; 10:3398-408. [PMID: 24681372 DOI: 10.1016/j.actbio.2014.03.024] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 02/17/2014] [Accepted: 03/20/2014] [Indexed: 11/17/2022]
Abstract
A double polymeric nanolayer consisting of poly(N-isopropylacrylamide) (PIPAAm) and hydrophilic polyacrylamide (PAAm) was deposited on tissue culture polystyrene (TCPS) surfaces using electron beam irradiation to form a new temperature-responsive cell culture surface in which the basal hydrophilic PAAm component in the double polymeric layer promotes the hydration of the upper PIPAAm layer and induces rapid cell detachment compared to a conventional temperature-responsive cell culture surface, PIPAAm-grafted TCPS (PIPAAm-TCPS). Take-off angle-dependent X-ray photoelectron spectroscopy spectral analysis demonstrated that the grafted PIPAAm and PAAm components were located in the upper and basal regions of the double polymeric layer, respectively, suggesting that the double polymeric layer forms an inter-penetrating-network-like structure with PAAm at the basal portion of the PIPAAm grafted chains. The wettability of the temperature-responsive cell culture surfaces with the double polymeric layer tended to be more hydrophilic, with an increase in the basal PAAm graft density at a constant PIPAAm graft density. However, when the graft densities of the upper PIPAAm and basal PAAm were optimized, the resulting temperature-responsive cell culture surface with the double polymeric layer exhibited rapid cell detachment while maintaining cell adhesive character comparable to that of PIPAAm-TCPS. The cell adhesive character was altered from cell-adhesive to cell-repellent with increasing PAAm or PIPAAm graft density. The cell adhesive character of the temperature-responsive cell culture surfaces was relatively consistent with their contact angles. These results strongly suggest that the basal PAAm surface properties affect the degree of hydration and dehydration of the subsequently grafted PIPAAm. In addition, the roles of the hydrophilic component in accelerating cell detachment are further discussed in terms of the mobility of the grafted PIPAAm chains. Applications of this insight might be useful for designing temperature-responsive cell culture surfaces for achieving efficient cell culture and quick target cell detachment.
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Affiliation(s)
- Yoshikatsu Akiyama
- Institute of Advanced Biomedical Engineering and Science and Global Center of Excellence (G-COE) Program, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Akihiko Kikuchi
- Institute of Advanced Biomedical Engineering and Science and Global Center of Excellence (G-COE) Program, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Masayuki Yamato
- Institute of Advanced Biomedical Engineering and Science and Global Center of Excellence (G-COE) Program, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science and Global Center of Excellence (G-COE) Program, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan.
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49
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Tang Z, Akiyama Y, Okano T. Recent development of temperature-responsive cell culture surface using poly(N
-isopropylacrylamide). ACTA ACUST UNITED AC 2014. [DOI: 10.1002/polb.23512] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Zhonglan Tang
- Institute of Advanced Biomedical Engineering and Science; TWIns, Tokyo Women's Medical University; 8-1 Kawada-cho Shinjuku-ku Tokyo 162-8666 Japan
| | - Yoshikatsu Akiyama
- Institute of Advanced Biomedical Engineering and Science; TWIns, Tokyo Women's Medical University; 8-1 Kawada-cho Shinjuku-ku Tokyo 162-8666 Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science; TWIns, Tokyo Women's Medical University; 8-1 Kawada-cho Shinjuku-ku Tokyo 162-8666 Japan
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50
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Fabrication and characterization of thermoresponsive polystyrene nanofibrous mats for cultured cell recovery. BIOMED RESEARCH INTERNATIONAL 2014; 2014:480694. [PMID: 24696851 PMCID: PMC3950555 DOI: 10.1155/2014/480694] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Accepted: 12/30/2013] [Indexed: 11/17/2022]
Abstract
Rapid cell growth and rapid recovery of intact cultured cells are an invaluable technique to maintain the biological functions and viability of cells. To achieve this goal, thermoresponsive polystyrene (PS) nanofibrous mat was fabricated by electrospinning of PS solution, followed by the graft polymerization of thermoresponsive poly(N-isopropylacrylamide)(PIPAAm) on PS nanofibrous mats. Image analysis of the PS nanofiber revealed a unimodal distribution pattern with 400 nm average fiber diameter. Graft polymerization of PIPAAm on PS nanofibrous mats was confirmed by spectroscopic methods such as ATR-FTIR, ESCA, and AFM. Human fibroblasts were cultured on four different surfaces, PIPAAm-grafted and ungrafted PS dishes and PIPAAm-grafted and ungrafted PS nanofibrous mats, respectively. Cells on PIPAAm-grafted PS nanofibrous mats were well attached, spread, and proliferated significantly much more than those on other surfaces. Cultured cells were easily detached from the PIPAAm-grafted surfaces by decreasing culture temperature to 20 °C, while negligible cells were detached from ungrafted surfaces. Moreover, cells on PIPAAm-grafted PS nanofibrous mats were detached more rapidly than those on PIPAAm-grafted PS dishes. These results suggest that thermoresponsive nanofibrous mats are attractive cell culture substrates which enable rapid cell growth and recovery from the culture surface for application to tissue engineering and regenerative medicine.
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