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Oguntade E, Wigham C, Owuor L, Aryal U, O'Grady K, Acierto A, Zha RH, Henderson JH. Dry and wet wrinkling of a silk fibroin biopolymer by a shape-memory material with insight into mechanical effects on secondary structures in the silk network. J Mater Chem B 2024; 12:6351-6370. [PMID: 38864220 DOI: 10.1039/d4tb00112e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
Surface wrinkling provides an approach to modify the surfaces of biomedical devices to better mimic features of the extracellular matrix and guide cell attachment, proliferation, and differentiation. Biopolymer wrinkling on active materials holds promise but is poorly explored. Here we report a mechanically actuated assembly process to generate uniaxial micro-and nanosized silk fibroin (SF) wrinkles on a thermo-responsive shape-memory polymer (SMP) substrate, with wrinkling demonstrated under both dry and hydrated (cell compatible) conditions. By systematically investigating the influence of SMP programmed strain magnitude, film thickness, and aqueous media on wrinkle stability and morphology, we reveal how to control the wrinkle sizes on the micron and sub-micron length scale. Furthermore, as a parameter fundamental to SMPs, we demonstrate that the temperature during the recovery process can also affect the wrinkle characteristics and the secondary structures in the silk network. We find that with increasing SMP programmed strain magnitude, silk wrinkled topographies with increasing wavelengths and amplitudes are achieved. Furthermore, silk wrinkling is found to increase β-sheet content, with spectroscopic analysis suggesting that the effect may be due primarily to tensile (e.g., Poisson effect and high-curvature wrinkle) loading modes in the SF, despite the compressive bulk deformation (uniaxial contraction) used to produce wrinkles. Silk wrinkles fabricated from sufficiently thick films (roughly 250 nm) persist after 24 h in cell culture medium. Using a fibroblast cell line, analysis of cellular response to the wrinkled topographies reveals high viability and attachment. These findings demonstrate use of wrinkled SF films under physiologically relevant conditions and suggest the potential for biopolymer wrinkles on biomaterials surfaces to find application in cell mechanobiology, wound healing, and tissue engineering.
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Affiliation(s)
- Elizabeth Oguntade
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA.
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Caleb Wigham
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Luiza Owuor
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA.
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Ujjwal Aryal
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA.
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Kerrin O'Grady
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA.
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Anthony Acierto
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA.
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - R Helen Zha
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - James H Henderson
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA.
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
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Seo JY, Park SB, Kim SY, Seo GJ, Jang HK, Lee TJ. Acoustic and Magnetic Stimuli-Based Three-Dimensional Cell Culture Platform for Tissue Engineering. Tissue Eng Regen Med 2023; 20:563-580. [PMID: 37052782 PMCID: PMC10313605 DOI: 10.1007/s13770-023-00539-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/16/2023] [Accepted: 03/15/2023] [Indexed: 04/14/2023] Open
Abstract
In a conventional two-dimensional (2D) culture method, cells are attached to the bottom of the culture dish and grow into a monolayer. These 2D culture methods are easy to handle, cost-effective, reproducible, and adaptable to growing many different types of cells. However, monolayer 2D cell culture conditions are far from those of natural tissue, indicating the need for a three-dimensional (3D) culture system. Various methods, such as hanging drop, scaffolds, hydrogels, microfluid systems, and bioreactor systems, have been utilized for 3D cell culture. Recently, external physical stimulation-based 3D cell culture platforms, such as acoustic and magnetic forces, were introduced. Acoustic waves can establish acoustic radiation force, which can induce suspended objects to gather in the pressure node region and aggregate to form clusters. Magnetic targeting consists of two components, a magnetically responsive carrier and a magnetic field gradient source. In a magnetic-based 3D cell culture platform, cells are aggregated by changing the magnetic force. Magnetic fields can manipulate cells through two different methods: positive magnetophoresis and negative magnetophoresis. Positive magnetophoresis is a way of imparting magnetic properties to cells by labeling them with magnetic nanoparticles. Negative magnetophoresis is a label-free principle-based method. 3D cell structures, such as spheroids, 3D network structures, and cell sheets, have been successfully fabricated using this acoustic and magnetic stimuli-based 3D cell culture platform. Additionally, fabricated 3D cell structures showed enhanced cell behavior, such as differentiation potential and tissue regeneration. Therefore, physical stimuli-based 3D cell culture platforms could be promising tools for tissue engineering.
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Affiliation(s)
- Ju Yeon Seo
- Division of Biomedical Convergence, Department of Medical Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
- Department of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Song Bin Park
- Department of Bio-Health Technology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Seo Yeon Kim
- Division of Biomedical Convergence, Department of Medical Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Gyeong Jin Seo
- Division of Biomedical Convergence, Department of Medical Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Hyeon-Ki Jang
- Division of Chemical Engineering and Bioengineering, College of Art Culture and Engineering, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Tae-Jin Lee
- Division of Biomedical Convergence, Department of Medical Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea.
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, Republic of Korea.
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Liu N, Sun Q, Yang Z, Shan L, Wang Z, Li H. Wrinkled Interfaces: Taking Advantage of Anisotropic Wrinkling to Periodically Pattern Polymer Surfaces. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207210. [PMID: 36775851 PMCID: PMC10131883 DOI: 10.1002/advs.202207210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Indexed: 06/18/2023]
Abstract
Periodically patterned surfaces can cause special surface properties and are employed as functional building blocks in many devices, yet remaining challenges in fabrication. Advancements in fabricating structured polymer surfaces for obtaining periodic patterns are accomplished by adopting "top-down" strategies based on self-assembly or physico-chemical growth of atoms, molecules, or particles or "bottom-up" strategies ranging from traditional micromolding (embossing) or micro/nanoimprinting to novel laser-induced periodic surface structure, soft lithography, or direct laser interference patterning among others. Thus, technological advances directly promote higher resolution capabilities. Contrasted with the above techniques requiring highly sophisticated tools, surface instabilities taking advantage of the intrinsic properties of polymers induce surface wrinkling in order to fabricate periodically oriented wrinkled patterns. Such abundant and elaborate patterns are obtained as a result of self-organizing processes that are rather difficult if not impossible to fabricate through conventional patterning techniques. Focusing on oriented wrinkles, this review thoroughly describes the formation mechanisms and fabrication approaches for oriented wrinkles, as well as their fine-tuning in the wavelength, amplitude, and orientation control. Finally, the major applications in which oriented wrinkled interfaces are already in use or may be prospective in the near future are overviewed.
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Affiliation(s)
- Ning Liu
- National‐Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources UtilizationSchool of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130China
| | - Qichao Sun
- National‐Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources UtilizationSchool of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130China
| | - Zhensheng Yang
- National‐Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources UtilizationSchool of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130China
| | - Linna Shan
- National‐Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources UtilizationSchool of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130China
| | - Zhiying Wang
- National‐Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources UtilizationSchool of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130China
| | - Hao Li
- National‐Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources UtilizationSchool of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130China
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Chen Q, Cui L, Zhou X, Guan Y, Zhang Y. Anthracene dimer cross-linked, washing- and sterilization-free hydrogel films for multicellular spheroid generation. J Mater Chem B 2022; 10:9914-9922. [PMID: 36448470 DOI: 10.1039/d2tb01878k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Three-dimensional multicellular spheroids are better in vitro cell models than two-dimensional cell monolayers; however, their applications are limited by their difficult production. PHEMA hydrogel films with honeycomb-like wrinkled patterns have been developed for high-throughput generation of multicellular spheroids with a uniform shape and size; however, the films are prepared by polymerization of the HEMA monomer, and should be washed extensively before use. Here to synthesize washing-free PHEMA hydrogel films, linear anthracene-functionalized PHEMA polymers were first synthesized by the free-radical copolymerization of HEMA and an anthracene-containing vinyl monomer. Smooth films were then prepared from the linear polymers in the wells of cell culture plates by solution casting. They were cross-linked via photo-dimerization of anthracene groups by exposing to 365 nm UV light, and patterned spontaneously by adding water to swell them. The swelling degree of the films and hence the shape of the wrinkled patterns could be facilely adjusted by adjusting the anthracene content in the linear polymers. If necessary, the cross-link density of the film and thus the shape of the wrinkled patterns could be callbacked by irradiating with 254 nm UV light, thanks to the reversibility of the photo-dimerization of anthracene. The as-prepared films exhibit a high biocompatibility and support cell growth well even without washing and sterilization. The high biocompatibility is attributed to the facts that no low molecular weight monomer, crosslinker and initiator were involved in the film preparation, and the photo-dimerization of anthracene groups produces no by-products. The films are sterilized simultaneously when cross-linked with UV irradiation, thus avoiding an additional sterilization step. PHEMA films with long-range ordered hexagonal wrinkled patterns were selected to generate multicellular spheroids of tumor cell lines. The resulting spheroids exhibit a narrow size distribution and high cell viability. Preliminary tests demonstrated their potential in the screening of anti-cancer drugs.
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Affiliation(s)
- Qianbing Chen
- Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lei Cui
- Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaoyong Zhou
- Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ying Guan
- Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yongjun Zhang
- School of Chemistry, Tiangong University, Tianjin 300387, China.
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Raj SS, Mathew RM, Nair Y, S. T. A, T. P. V. Fabrication and Applications of Wrinkled Soft Substrates: An Overview. ChemistrySelect 2022. [DOI: 10.1002/slct.202200714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Soorya S. Raj
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
| | - Romina Marie Mathew
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
| | - Yamuna Nair
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
| | - Aruna S. T.
- Surface Engineering Division CSIR – National Aerospace Laboratories HAL Airport Road Bangalore 560017 India
| | - Vinod T. P.
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
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Kashihara Y, Asoh TA, Uyama H. Travelling Wave Generation of Wrinkles on the Hydrogel Surfaces. Macromol Rapid Commun 2022; 43:e2100848. [PMID: 35020236 DOI: 10.1002/marc.202100848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 12/27/2021] [Indexed: 12/24/2022]
Abstract
The dynamic and static properties of structured surfaces have important functions in nature. In particular, wrinkles have important static roles, for example, increasing surface area, but dynamic roles of wrinkles remain poorly understood. Specifically, to understand and utilize the dynamic functions of wrinkles, it is necessary to observe wrinkle formation directly. In this study, a polyion complex (PIC) is formed on a hydrogel surface by electrophoresis, and the process of wrinkle formation through a transparent electrode is directly observed. By quantitative analysis of the wavelength and amplitude of wrinkles, it is found that the wrinkles move randomly in a wavy pattern in the initial stage of growing process. Furthermore, the direction of wavy motion of wrinkles is controlled by the compression of hydrogels in the in-plane direction. The present study provides important insights into the fabrication of wrinkled surfaces with a controlled flow direction; opening the possibility for active wrinkles used in the development of functional surface structures as actuators that are capable of transporting small objects in water.
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Affiliation(s)
- Yuka Kashihara
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Taka-Aki Asoh
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Kawabata K, Totani M, Kawaguchi D, Matsuno H, Tanaka K. Two-Dimensional Cellular Patterning on a Polymer Film Based on Interfacial Stiffness. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:14911-14919. [PMID: 34902971 DOI: 10.1021/acs.langmuir.1c02776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The mechanical properties in the outermost region of a polymer film strongly affect various material functions. We here propose a novel and promising strategy for the two-dimensional regulation of the mechanical properties of a polymer film at the water interface based on an inkjet drawing of silica nanoparticles (SNPs) underneath it. A film of poly(2-hydroxyethyl methacrylate) (PHEMA), which exhibits excellent bioinertness properties at the water interface, was well fabricated on a substrate with a pattern of SNPs. X-ray photoelectron spectroscopy and atomic force microscopy confirmed that the surface of the PHEMA film was flat and chemically homogeneous. However, the film surface was in-plane heterogeneous in stiffness due to the presence of the underlying SNP lines. It was also noted that NIH/3T3 fibroblast cells selectively adhered and formed aggregates on the areas under which an SNP line was drawn.
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Affiliation(s)
- Kento Kawabata
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
| | - Masayasu Totani
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
| | - Daisuke Kawaguchi
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Centre for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Hisao Matsuno
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Centre for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Keiji Tanaka
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Centre for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
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Surface Creasing-Induced Micropatterned GelMA Using Heating-Hydration Fabrication for Effective Vascularization. Tissue Eng Regen Med 2021; 18:759-773. [PMID: 34387853 PMCID: PMC8440774 DOI: 10.1007/s13770-021-00345-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/14/2020] [Accepted: 03/02/2020] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Surface modification is used to modify the biomaterials for the regulation of cell culture using different approaches, such as chemical graft and mechanical treatment. However, those conventional methodologies often require precise fabrication in a high resolution involving either high cost or laborious steps to remove chemical residues that are toxic to the cells. METHODS A novel and simple method was proposed and evaluated to rapidly generate surface ceases on the gelatin methacrylate (gelMA) surface using the heating-hydration process. Human umbilical vein endothelial cells (HUVECs) were cultured on the gelMA surface. The surface binding was characterized using the RGD (Arg-Gly-Asp) antibodies and cell adhesion pattern captured by scanning electron microscopy. The effect of the heating-hydration parameters on the creasing formation was investigated. The morphology of HUVECs cultured on such micropatterned gelMA was characterized and compared. RESULTS It is found that the hydration solution, gelMA mixture, and hydration rate are the major factors that influence the cracking sizes in the range from 20 to 120 µm which resulted in capillary-like patterns on the gelMA surface. Low concentration of gelMA, high water concentration of cooling agent, and slow hydration rate result in the long creases, and heating of at least 60 min is required for complete dehydration. Strong fluorescence was around the creases with RGD-staining. Consequently, micropatterned gelMA demonstrated good biocompatibility with endothelial cells with more than 95% cell viability and continuous cell proliferation throughout 2 weeks as well as a good trace of neovascular formation. In comparison, normal gelMA surface did not exhibit RGD-fluorescent signals, and the cultured HUVECs on it were rounded with no spreading for network formation. CONCLUSION The heating-hydration approach can successfully and easily produce the micropatterned gelMA that allows rapid and effective vascularization to potentially improve the functionalities of the tissue-engineered construct.
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Chen Q, Cui L, Guan Y, Zhang Y. Diels-Alder Cross-Linked, Washing-Free Hydrogel Films with Ordered Wrinkling Patterns for Multicellular Spheroid Generation. Biomacromolecules 2021; 22:3474-3485. [PMID: 34291920 DOI: 10.1021/acs.biomac.1c00570] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Three-dimensional (3D) multicellular spheroids are a new generation in vitro cell model, however, their applications are severely limited by difficulties in their generation. Here patterned poly(2-hydroxyethyl methacrylate) (PHEMA) hydrogel films were synthesized for their generation. Instead of polymerization of HEMA monomers in the presence of a cross-linker, here the PHEMA films were synthesized by cross-linking furan-functionalized linear PHEMA, PHEMA-furan, and maleimide-functionalized linear PHEMA, PHEMA-mal, via Diels-Alder (DA) reaction between furan and maleimide groups. A thermal treatment temperature of 75 °C was chosen for the cross-linking reaction. The occurrence of DA reaction was confirmed by IR spectra. Using this method, cross-linked PHEMA films with smooth surface were successfully synthesized in situ in the well of cell culture plates. The films were then patterned by simply adding water to swell them. Highly ordered, honeycomb-like wrinkling patterns were successfully obtained by adjusting the furan and maleimide contents in the precursor linear polymers. The patterned hydrogel films were used to generate multicellular spheroids. Guided by the patterns, 3D spheroids with narrow size distribution, tunable size, and high cell viability were successfully obtained. The patterned PHEMA films reported here exhibited a lot of advantages. The patterning method was quite simple and required no template or special equipment. They were synthesized in situ in commercial cell culture plates. Particularly, thanks to the clean nature of the DA reaction, no low molecular weight monomer, cross-linker, initiator, or catalyst, which were potentially cytotoxic, was involved in the film synthesis, and no byproduct was produced and left in the film. The resulting films presented a high biocompatibility, allowing the avoidance of the tedious washing step. The films synthesized here were expected to have high potential for massive production of well-defined multicellular spheroids.
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Affiliation(s)
- Qianbing Chen
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lei Cui
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ying Guan
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yongjun Zhang
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China.,School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
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Bae Y, Joo C, Park KH, Kang SW, Huh KM, Choi JS. Preparation and characterization of 3D human glioblastoma spheroids using an N-octanoyl glycol chitosan hydrogel. Int J Biol Macromol 2021; 185:87-97. [PMID: 34144066 DOI: 10.1016/j.ijbiomac.2021.06.083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/11/2021] [Accepted: 06/11/2021] [Indexed: 10/21/2022]
Abstract
The current 2D culture model systems developed for drug screening are not sufficient to reflect the characteristics of in vivo solid tumors. Therefore, more effective in vitro tumor model systems must be developed for translational studies on therapeutic drug screening and testing. Herein, we report a new ultra-low adhesion (ULA) hydrogel for generating 3D cancer cell spheroids as tumor models in vitro. N-octanoyl glycol chitosan (OGC) was synthesized and coated onto the surface of a typical cell culture dish. Cell spheroids were effectively formed on the OGC-coated surface, and phenotypes of the tumor cells were well maintained during culture. More importantly, U373-MG cells cultured on OGC-coated plates were more resistant to doxorubicin than cells cultured on typical plates. Our OGC-based ULA system may offer a convenient method for 3D cell culture to provide enhanced performance in cancer research, drug screening and toxicology.
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Affiliation(s)
- Yoonhee Bae
- Division of Applied Medicine, School of Korean Medicine, Pusan National University, Busan 47392, Republic of Korea
| | - Chanyang Joo
- Departments of Polymer Science and Engineering & Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Kyoung Hwan Park
- Research Group for Biomimetic Advanced Technology, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Sun-Woong Kang
- Research Group for Biomimetic Advanced Technology, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea; Human and Environmental Toxicology Program, University of Science and Technology, Daejeon 34134, Republic of Korea.
| | - Kang Moo Huh
- Departments of Polymer Science and Engineering & Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea.
| | - Joon Sig Choi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, Republic of Korea.
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Izawa H, Toyoshima Y, Morimoto M, Saimoto H, Ifuku S. Surface Wrinkles Induced on Oriented Chitosan Films via Horseradish Peroxidase-catalyzed Reaction and Drying. CHEM LETT 2021. [DOI: 10.1246/cl.200740] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hironori Izawa
- Faculty of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
- Center for Research on Green Sustainable Chemistry, Tottori University, Tottori 680-8550, Japan
| | - Yuta Toyoshima
- Faculty of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Minoru Morimoto
- Division of Instrumental Analysis, Research Center for Bioscience and Technology, Tottori University, Tottori 680-8550, Japan
| | - Hiroyuki Saimoto
- Faculty of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
- Center for Research on Green Sustainable Chemistry, Tottori University, Tottori 680-8550, Japan
| | - Shinsuke Ifuku
- Faculty of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
- Center for Research on Green Sustainable Chemistry, Tottori University, Tottori 680-8550, Japan
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Shen H, Cai S, Wu C, Yang W, Yu H, Liu L. Recent Advances in Three-Dimensional Multicellular Spheroid Culture and Future Development. MICROMACHINES 2021; 12:96. [PMID: 33477508 PMCID: PMC7831097 DOI: 10.3390/mi12010096] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/14/2021] [Accepted: 01/15/2021] [Indexed: 12/22/2022]
Abstract
Three-dimensional multicellular spheroids (MCSs) have received extensive attention in the field of biomedicine due to their ability to simulate the structure and function of tissues in vivo more accurately than traditional in vitro two-dimensional models and to simulate cell-cell and cell extracellular matrix (ECM) interactions. It has become an important in vitro three-dimensional model for tumor research, high-throughput drug screening, tissue engineering, and basic biology research. In the review, we first summarize methods for MCSs generation and their respective advantages and disadvantages and highlight the advances of hydrogel and microfluidic systems in the generation of spheroids. Then, we look at the application of MCSs in cancer research and other aspects. Finally, we discuss the development direction and prospects of MCSs.
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Affiliation(s)
- Honglin Shen
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China; (H.S.); (S.C.); (C.W.)
| | - Shuxiang Cai
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China; (H.S.); (S.C.); (C.W.)
| | - Chuanxiang Wu
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China; (H.S.); (S.C.); (C.W.)
| | - Wenguang Yang
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China; (H.S.); (S.C.); (C.W.)
| | - Haibo Yu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China; (H.Y.); (L.L.)
| | - Lianqing Liu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China; (H.Y.); (L.L.)
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13
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Kato M, Kashihara Y, Asoh TA, Uyama H. Geometry Control of Wrinkle Structures Aligned on Hydrogel Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:1467-1473. [PMID: 31999120 DOI: 10.1021/acs.langmuir.9b03967] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Surface geometries in nature such as wrinkle structures have various functions. Attention has been paid to the fabrication method of the geometry and geometry control by external stimuli. This is because surface geometries as an active interface are able to contribute to the control of interactions with the external environment. In this study, aligned wrinkles were fabricated on the surface of stretched hydrogels in aqueous conditions by the electrophoretic formation of a polyion complex layer. The geometry of wrinkles was controlled by the stretching ratio and Young's modulus of hydrogels, and hierarchical wrinkle structures were fabricated after unloading the stretched hydrogels. Therefore, it can be a new wrinkle-formation method capable of transferring the initial elastic anisotropy of the substrate material to the wrinkle structure. Creation of thermoresponsive wrinkles that can transform their geometrical configuration reversibly was achieved by fabrication of aligned wrinkles on the surface of thermoresponsive hydrogels.
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Affiliation(s)
- Masatoshi Kato
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamadaoka , Suita , Osaka 565-0871 , Japan
| | - Yuka Kashihara
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamadaoka , Suita , Osaka 565-0871 , Japan
| | - Taka-Aki Asoh
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamadaoka , Suita , Osaka 565-0871 , Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamadaoka , Suita , Osaka 565-0871 , Japan
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14
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Kato M, Asoh T, Uyama H. Hydrogel Adhesion by Wrinkling Films. Macromol Rapid Commun 2019; 40:e1900434. [DOI: 10.1002/marc.201900434] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 09/21/2019] [Indexed: 01/13/2023]
Affiliation(s)
- Masatoshi Kato
- Department of Applied Chemistry Graduate School of Engineering Osaka University 2‐1 Yamadaoka Suita 565–0871 Osaka Japan
| | - Taka‐Aki Asoh
- Department of Applied Chemistry Graduate School of Engineering Osaka University 2‐1 Yamadaoka Suita 565–0871 Osaka Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry Graduate School of Engineering Osaka University 2‐1 Yamadaoka Suita 565–0871 Osaka Japan
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15
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Liang X, Gao M, Xie H, Xu Q, Wu Y, Hu J, Lu A, Zhang L. Controllable Wrinkling Patterns on Chitosan Microspheres Generated from Self-Assembling Metal Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2019; 11:22824-22833. [PMID: 31188553 DOI: 10.1021/acsami.9b02127] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Materials with surface wrinkles at a micro/nanoscale possess extraordinary fascinating properties, and various techniques have been employed to create controllable wrinkles. Herein, natural polysaccharide was used to construct the surface wrinkled microsphere with controllable wrinkling patterns. A robust microsphere with an average size of about 55 μm fabricated from chitosan in alkali/urea aqueous solution was swelled and then coated orderly by introducing rigid silver nanoparticles (Ag NPs) with an average size of about 5 nm as the shell onto the surface through electrostatic layer-by-layer (LBL) self-assembly followed by deswelling, resulting in a surface wrinkled microsphere. The significant difference in the swelling behaviors between the stiff Ag shell and swelled chitosan microsphere could generate enough driving forces to form 3D micro- and nanoscale wrinkling surface topography. The surface wrinkled microspheres exhibited the hierarchically porous structure and hydrophobicity, and the topographical patterns could be adjusted by controlling the thickness of the Ag NP layer to achieve the sizes of wrinkling ranging from 60 to 300 nm. It was demonstrated that the wrinkled microspheres were superior as 3D surface-enhanced Raman spectroscopy (SERS) substrates, in which the wrinkled structure with spatial periodicity was proved to be effective for enhancing the SERS signal. The microsphere with controllable wrinkled surface topography could be applied to be a miniature 3D device, which promises potential technological applications in various areas.
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Affiliation(s)
- Xichao Liang
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Mengyue Gao
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Hongxia Xie
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Qi Xu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Yuwei Wu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Jiming Hu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Ang Lu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Lina Zhang
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
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16
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Yun Y, Guan Y, Zhang Y. Patterned PHEMA Films Synthesized by Redox Polymerization for Multicellular Spheroid Generation. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01517] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Yifan Yun
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ying Guan
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yongjun Zhang
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
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17
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Jafari J, Han XL, Palmer J, Tran PA, O'Connor AJ. Remote Control in Formation of 3D Multicellular Assemblies Using Magnetic Forces. ACS Biomater Sci Eng 2019; 5:2532-2542. [PMID: 33405759 DOI: 10.1021/acsbiomaterials.9b00297] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cell constructs have been utilized as building blocks in tissue engineering to closely mimic the natural tissue and also overcome some of the limitations caused by two-dimensional cultures or using scaffolds. External forces can be used to enhance the cells' adhesion and interaction and thus provide better control over production of these structures compared to methods like cell seeding and migration. In this paper, we demonstrate an efficient method to generate uniform, three-dimensional cell constructs using magnetic forces. This method produced spheroids with higher densities and more symmetrical structures than the commonly used centrifugation method for production of cell spheroids. It was also shown that shape of the cell constructs could be changed readily by using different patterns of magnetic field. The application of magnetic fields to impart forces on the cells enhanced the fusion of these spheroids, which could be used to produce larger and more complicated structures for future tissue engineering applications.
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Affiliation(s)
- Javad Jafari
- Department of Biomedical Engineering, Particulate Fluids Processing Centre, The University of Melbourne, Grattan St., Parkville, Victoria 3010, Australia
| | - Xiao-Lian Han
- O'Brien Institute Department, St. Vincent's Institute, 42 Fitzroy Street, Fitzroy, Victoria 3065, Australia
| | - Jason Palmer
- O'Brien Institute Department, St. Vincent's Institute, 42 Fitzroy Street, Fitzroy, Victoria 3065, Australia
| | - Phong A Tran
- Department of Biomedical Engineering, Particulate Fluids Processing Centre, The University of Melbourne, Grattan St., Parkville, Victoria 3010, Australia.,Interface Science and Materials Engineering Group, School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology (QUT), 2 George St., Brisbane, Queensland 4000, Australia
| | - Andrea J O'Connor
- Department of Biomedical Engineering, Particulate Fluids Processing Centre, The University of Melbourne, Grattan St., Parkville, Victoria 3010, Australia
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18
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Izawa H, Miyazaki Y, Yonemura T, Ito N, Okamoto Y, Ifuku S, Morimoto M, Saimoto H. Polysaccharide-based wrinkled surfaces induced by polyion complex skin layers upon drying. Polym J 2019. [DOI: 10.1038/s41428-019-0174-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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19
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De France KJ, Babi M, Vapaavuori J, Hoare T, Moran-Mirabal J, Cranston ED. 2.5D Hierarchical Structuring of Nanocomposite Hydrogel Films Containing Cellulose Nanocrystals. ACS APPLIED MATERIALS & INTERFACES 2019; 11:6325-6335. [PMID: 30668100 DOI: 10.1021/acsami.8b16232] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Although two-dimensional hydrogel thin films have been applied across many biomedical applications, creating higher dimensionality structured hydrogel interfaces would enable potentially improved and more biomimetic hydrogel performance in biosensing, bioseparations, tissue engineering, drug delivery, and wound healing applications. Herein, we present a new and simple approach to control the structure of hydrogel thin films in 2.5D. Hybrid suspensions containing cellulose nanocrystals (CNCs) and aldehyde- or hydrazide-functionalized poly(oligoethylene glycol methacrylate) (POEGMA) were spin-coated onto prestressed polystyrene substrates to form cross-linked hydrogel thin films. The films were then structured via thermal shrinking, with control over the direction of shrinking leading to the formation of biaxial, uniaxial, or hierarchical wrinkles. Notably, POEGMA-only hydrogel thin films (without CNCs) did not form uniform wrinkles due to partial dewetting from the substrate during shrinking. Topographical feature sizes of CNC-POEGMA films could be tuned across 2 orders of magnitude (from ∼300 nm to 20 μm) by varying the POEGMA concentration, the length of poly(ethylene glycol) side chains in the polymer, and/or the overall film thickness. Furthermore, by employing adhesive masks during the spin-coating process, structured films with gradient wrinkle sizes can be fabricated. This precise control over both wrinkle size and wrinkle topography adds a level of functionality that to date has been lacking in conventional hydrogel networks.
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Affiliation(s)
- Kevin J De France
- Department of Chemical Engineering , McMaster University , 1280 Main Street West , Hamilton , ON L8S 4L8 , Canada
| | - Mouhanad Babi
- Department of Chemistry and Chemical Biology , McMaster University , 1280 Main Street West , Hamilton , ON L8S 4M1 , Canada
| | - Jaana Vapaavuori
- Department of Chemistry , University of Montreal , C.P. 6128 Succursale Centre-ville , Montreal , QC H3C 3J7 , Canada
| | - Todd Hoare
- Department of Chemical Engineering , McMaster University , 1280 Main Street West , Hamilton , ON L8S 4L8 , Canada
| | - Jose Moran-Mirabal
- Department of Chemistry and Chemical Biology , McMaster University , 1280 Main Street West , Hamilton , ON L8S 4M1 , Canada
| | - Emily D Cranston
- Department of Chemical Engineering , McMaster University , 1280 Main Street West , Hamilton , ON L8S 4L8 , Canada
- Department of Wood Science , University of British Columbia , 2424 Main Mall , Vancouver , BC V6T 1Z4 , Canada
- Department of Chemical and Biological Engineering , University of British Columbia , 2360 East Mall , Vancouver , BC V6T 1Z3 , Canada
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20
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Martinez-Campos E, Gallardo A, Lujan N, Santos-Coquillat A, Reinecke H, Campo AD, Rodriguez-Hernandez J. Wrinkled Hydrogel Surfaces with Modulated Surface Chemistry and Topography: Evaluation As Supports for Cell Growth and Transplant. ACS APPLIED BIO MATERIALS 2019; 2:654-664. [DOI: 10.1021/acsabm.8b00460] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Enrique Martinez-Campos
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, Madrid 28006, Spain
- Tissue Engineering Group, Instituto de Estudios Biofuncionales, Universidad Complutense de Madrid, Associated Unit to the ICTP-CSIC Polymer Functionalization Group, Paseo Juan XXIII, n° 1, Madrid 28040, Spain
| | - Alberto Gallardo
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Noelia Lujan
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Ana Santos-Coquillat
- Tissue Engineering Group, Instituto de Estudios Biofuncionales, Universidad Complutense de Madrid, Associated Unit to the ICTP-CSIC Polymer Functionalization Group, Paseo Juan XXIII, n° 1, Madrid 28040, Spain
| | - Helmut Reinecke
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Adolfo del Campo
- Instituto de Cerámica y Vidrio (ICV-CSIC), C/Kelsen 5, Madrid 28049, Spain
| | - Juan Rodriguez-Hernandez
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, Madrid 28006, Spain
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21
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Kato M, Asoh TA, Uyama H. Electrophoretic fabrication of an active and selective wrinkle surface on hydrogels. Chem Commun (Camb) 2019; 55:4170-4173. [DOI: 10.1039/c9cc01307e] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We developed a novel method for the fabrication of a wrinkle structure on the hydrogel surface in aqueous conditions by the electrophoretic formation of a polyion complex.
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Affiliation(s)
- Masatoshi Kato
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka University
- Suita
- Japan
| | - Taka-Aki Asoh
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka University
- Suita
- Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka University
- Suita
- Japan
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22
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Wang Y, Chen Q, Chen M, Guan Y, Zhang Y. PHEMA hydrogel films crosslinked with dynamic disulfide bonds: synthesis, swelling-induced mechanical instability and self-healing. Polym Chem 2019. [DOI: 10.1039/c9py00670b] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Undesired swelling-induced instability patterns on substrate-attached hydrogel films can be self-healed by the introduction of dynamic covalent bonds.
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Affiliation(s)
- Yu Wang
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Qianbing Chen
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Mao Chen
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Ying Guan
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Yongjun Zhang
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
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23
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Kim SJ, Park J, Byun H, Park YW, Major LG, Lee DY, Choi YS, Shin H. Hydrogels with an embossed surface: An all-in-one platform for mass production and culture of human adipose-derived stem cell spheroids. Biomaterials 2018; 188:198-212. [PMID: 30368228 DOI: 10.1016/j.biomaterials.2018.10.025] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 10/19/2018] [Indexed: 01/01/2023]
Abstract
Stem cell spheroids have been studied extensively in organoid culture and therapeutic transplantation. Herein, hydrogels with an embossed surface (HES) were developed as an all-in-one platform that can enable the rapid formation and culture of a large quantity of size-controllable stem cell spheroids. The embossed structure on the hydrogel was adjustable according to the grit designation of the sandpaper. Human adipose-derived stem cells (hADSCs) were rapidly assembled into spheroids on the hydrogel, with their size distribution precisely controlled from 95 ± 6 μm to 181 ± 15 μm depending on surface roughness. The hADSC spheroids prepared from the HES demonstrated expression of stemness markers and differentiation capacity. In addition, HES-based spheroids showed significantly greater VEGF secretion than spheroids grown on a commercially available low-attachment culture plate. Exploiting those advantages, the HES-based spheroids were used for 3D bioprinting, and the spheroids within the 3D-printed construct showed improved retention and VEGF secretion compared to the same 3D structure containing single cell suspension. Collectively, HES would offer a useful platform for mass fabrication and culture of stem cell spheroids with controlled sizes for a variety of biomedical applications.
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Affiliation(s)
- Se-Jeong Kim
- Department of Bioengineering, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Jaesung Park
- Department of Bioengineering, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Hayeon Byun
- Department of Bioengineering, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Young-Woo Park
- Department of Bioengineering, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Luke G Major
- School of Human Science, University of Western Australia, Perth, WA 6009, Australia
| | - Dong Yun Lee
- Department of Bioengineering, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; Institute of Nano Science & Technology (INST), Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Yu Suk Choi
- School of Human Science, University of Western Australia, Perth, WA 6009, Australia
| | - Heungsoo Shin
- Department of Bioengineering, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea; Institute of Nano Science & Technology (INST), Hanyang University, 222 Wangsimri-ro, Seongdong-gu, Seoul 04763, Republic of Korea.
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24
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Gao W, Wu D, Wang Y, Wang Z, Zou C, Dai Y, Ng CF, Teoh JYC, Chan FL. Development of a novel and economical agar-based non-adherent three-dimensional culture method for enrichment of cancer stem-like cells. Stem Cell Res Ther 2018; 9:243. [PMID: 30257704 PMCID: PMC6158801 DOI: 10.1186/s13287-018-0987-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/07/2018] [Accepted: 08/17/2018] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Non-adherent or ultra-low attachment three-dimensional (3D) culture, also called sphere formation assay, has been widely used to assess the malignant phenotype and stemness potential of transformed or cancer cells. This method is also popularly used to isolate the cancer stem-like cells (CSCs) or tumor-initiating cells based on their unique anchorage-independent growth or anoikis-resistant capacity. Different non-adhesive coating agents, such as poly-2-hydroxyethyl methacrylate (poly-HEMA) and synthetic hydrogels, have been used in this non-adherent 3D culture. However, preparation of non-adherent culture-ware is labor-intensive and technically demanding, and also costs of commercial non-adherent culture-ware prepared with various coating agents are relatively expensive and the culture-ware cannot be used repeatedly. METHODS In this study, we developed a non-adherent 3D culture method based on agar coating for growing tumor spheres derived from various cancer cell lines and primary prostate cancer tissues under a non-adherent and serum-free condition. The tumor spheres generated by this 3D culture method were analyzed on their expression profiles of CSC-associated markers by reverse transcription quantitative polymerase chain reaction, presence and relative proportion of CSCs by fluorescence-activated cell sorting (CD133+/CD44+ cell sorting) and also a CSC-visualizing reporter system responsive to OCT4 and SOX2 (SORE6), and in vivo tumorigenicity. The repeated use of agar-coated plates for serial passages of tumor spheres was also evaluated. RESULTS Our results validated that the multicellular tumor spheres generated by this culture method were enriched of CSCs, as evidenced by their enhanced expression profiles of CSC markers, presence of CD133+/CD44+ or SORE6+ cells, enhanced self-renewal capacity, and in vivo tumorigenicity, indicating its usefulness in isolation and enrichment of CSCs. The agar-coated plates could be used multiple times in serial passages of tumor spheres. CONCLUSIONS The described agar-based 3D culture method offers several advantages as compared with other methods in isolation of CSCs, including its simplicity and low-cost and repeated use of agar-coated plates for continuous passages of CSC-enriched spheres.
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Affiliation(s)
- Weijie Gao
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Dinglan Wu
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China. .,Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center, Shenzhen Hospital, Southern Medical University, Shenzhen, 518110, China.
| | - Yuliang Wang
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Zhu Wang
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Chang Zou
- Clinical Medical Research Center, The Second Clinical Medical School of Jinan University, Shenzhen People's Hospital, Shenzhen, 518000, China
| | - Yong Dai
- Clinical Medical Research Center, The Second Clinical Medical School of Jinan University, Shenzhen People's Hospital, Shenzhen, 518000, China
| | - Chi-Fai Ng
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Jeremy Yuen-Chun Teoh
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Franky Leung Chan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
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25
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Application of Bio-Based Wrinkled Surfaces as Cell Culture Scaffolds. COLLOIDS AND INTERFACES 2018. [DOI: 10.3390/colloids2020015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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26
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Bowers DT, Olingy CE, Chhabra P, Langman L, Merrill PH, Linhart RS, Tanes ML, Lin D, Brayman KL, Botchwey EA. An engineered macroencapsulation membrane releasing FTY720 to precondition pancreatic islet transplantation. J Biomed Mater Res B Appl Biomater 2018; 106:555-568. [PMID: 28240814 PMCID: PMC5572559 DOI: 10.1002/jbm.b.33862] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 12/28/2016] [Accepted: 01/26/2017] [Indexed: 02/06/2023]
Abstract
Macroencapsulation is a powerful approach to increase the efficiency of extrahepatic pancreatic islet transplant. FTY720, a small molecule that activates signaling through sphingosine-1-phosphate receptors, is immunomodulatory and pro-angiogenic upon sustained delivery from biomaterials. While FTY720 (fingolimod, Gilenya) has been explored for organ transplantation, in the present work the effect of locally released FTY720 from novel nanofiber-based macroencapsulation membranes is explored for islet transplantation. We screened islet viability during culture with FTY720 and various biodegradable polymers. Islet viability is significantly reduced by the addition of high doses (≥500 ng/mL) of soluble FTY720. Among the polymers screened, islets have the highest viability when cultured with poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV). Therefore, PHBV was blended with polycaprolactone (PCL) for mechanical stability and electrospun into nanofibers. Islets had no detectable function ex vivo following 5 days or 12 h of subcutaneous implantation within our engineered device. Subsequently, we explored a preconditioning scheme in which islets are transplanted 2 weeks after FTY720-loaded nanofibers are implanted. This allows FTY720 to orchestrate a local regenerative milieu while preventing premature transplantation into avascular sites that contain high concentrations of FTY720. These results provide a foundation and motivation for further investigation into the use of FTY720 in preconditioning sites for efficacious islet transplantation. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 555-568, 2018.
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Affiliation(s)
- Daniel T Bowers
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
| | - Claire E Olingy
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, 30332-0363
| | - Preeti Chhabra
- Department of Surgery, University of Virginia, Charlottesville, Virginia, 22903
| | - Linda Langman
- Department of Surgery, University of Virginia, Charlottesville, Virginia, 22903
| | - Parker H Merrill
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
| | - Ritu S Linhart
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
| | - Michael L Tanes
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
| | - Dan Lin
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
| | - Kenneth L Brayman
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
- Department of Surgery, University of Virginia, Charlottesville, Virginia, 22903
| | - Edward A Botchwey
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, 22903
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, 30332-0363
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27
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Dou X, Li P, Schönherr H. Three-Dimensional Microstructured Poly(vinyl alcohol) Hydrogel Platform for the Controlled Formation of Multicellular Cell Spheroids. Biomacromolecules 2017; 19:158-166. [DOI: 10.1021/acs.biomac.7b01345] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Xiaoqiu Dou
- Physical Chemistry I and Research Center
of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany
| | - Ping Li
- Physical Chemistry I and Research Center
of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany
| | - Holger Schönherr
- Physical Chemistry I and Research Center
of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany
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28
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Spheroids as vascularization units: From angiogenesis research to tissue engineering applications. Biotechnol Adv 2017; 35:782-791. [DOI: 10.1016/j.biotechadv.2017.07.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 07/03/2017] [Accepted: 07/05/2017] [Indexed: 02/08/2023]
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Izawa H, Dote Y, Okuda N, Sumita M, Ifuku S, Morimoto M, Saimoto H. Wood-mimetic skins prepared using horseradish peroxidase catalysis to induce surface wrinkling of chitosan film upon drying. Carbohydr Polym 2017; 173:519-525. [PMID: 28732895 DOI: 10.1016/j.carbpol.2017.06.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 06/07/2017] [Accepted: 06/08/2017] [Indexed: 11/27/2022]
Abstract
We previously developed bio-based wrinkled surfaces induced by wood-mimetic skins upon drying in which microscopic wrinkles were fabricated on a chitosan (CS) film by immersing it in a phenolic acid solution, followed by horseradish peroxidase (HRP)-catalyzed surface reaction and drying. However, the detailed structure of the resulting wood-mimetic skins, including crosslinking mode and thickness, has not been clarified due to the difficulty of the analysis. Here, we prepare wrinkled films using ferulic acid (FE), vanillic acid (VA), and homovanillic acid (HO) and characterize their structures to clarify the unknown characteristics of wood-mimetic skin. Chemical and structural analyses of wood-mimetic skins prepared using VA and HO indicate that the crosslinking structure in the skin is composed of ionic bonds between CS and an oligophenolic residue generated by the HRP-catalyzed reaction on the CS surface. Moreover, the quantity of these ionic bonds is related to the skin hardness and wrinkle size. Finally, SEM and TOF-SIMS analyses indicate that the skin thickness is on the submicron order (<200nm).
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Affiliation(s)
- Hironori Izawa
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan.
| | - Yuki Dote
- Faculty of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Noriko Okuda
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Masato Sumita
- Department of Chemistry, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
| | - Shinsuke Ifuku
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Minoru Morimoto
- Division of Instrumental Analysis, Research Center for Bioscience and Technology, Tottori University, Tottori 680-8550, Japan
| | - Hiroyuki Saimoto
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori 680-8550, Japan.
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30
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Preparation of biobased wrinkled surfaces via lignification-mimetic reactions and drying: a new approach for developing surface wrinkling. Polym J 2017. [DOI: 10.1038/pj.2017.52] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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31
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Petrenko Y, Syková E, Kubinová Š. The therapeutic potential of three-dimensional multipotent mesenchymal stromal cell spheroids. Stem Cell Res Ther 2017; 8:94. [PMID: 28446248 PMCID: PMC5406927 DOI: 10.1186/s13287-017-0558-6] [Citation(s) in RCA: 149] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The efficiency of clinical trials involving transplantation of multipotent mesenchymal stromal cells (MSCs) is often insufficient due to harsh conditions present within the target tissue including hypoxia, low nutrient supply as well as inflammatory reactions. This indicates the necessity for optimization of cell-based therapy approaches which might include either modification of the cell manufacturing process or specific cell pretreatment procedures prior to transplantation. Recent reports confirm evidence that the aggregation of MSCs into three-dimensional (3D) multicellular spheroids results in enhancement of the overall therapeutic potential of cells, by improving the anti-inflammatory and angiogenic properties, stemness and survival of MSCs after transplantation. Such an MSCs spheroid generation approach may open new opportunities for the enlargement of MSCs applications in clinical research and therapy. However, the unification and optimization of 3D spheroid generation techniques, including the selection of appropriate clinical-grade culture conditions and methods for their large-scale production, are still of great importance. The current review addresses questions regarding therapeutic-associated properties of 3D multicellular MSCs spheroids in vitro and during preclinical animal studies, with special attention to the possibilities of translating these research achievements toward further clinical manufacturing and applications.
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Affiliation(s)
- Yuriy Petrenko
- Department of Biomaterials and Biophysical Methods, Institute of Experimental Medicine AS CR v. v. i, Vídeňská 1083, 14220, Prague 4-Krč, Czech Republic.
| | - Eva Syková
- Department of Neuroscience, Charles University, Second Faculty of Medicine, V Uvalu 84, 15006, Prague, Czech Republic
| | - Šárka Kubinová
- Department of Biomaterials and Biophysical Methods, Institute of Experimental Medicine AS CR v. v. i, Vídeňská 1083, 14220, Prague 4-Krč, Czech Republic
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32
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Tang S, Hu K, Sun J, Li Y, Guo Z, Liu M, Liu Q, Zhang F, Gu N. High Quality Multicellular Tumor Spheroid Induction Platform Based on Anisotropic Magnetic Hydrogel. ACS APPLIED MATERIALS & INTERFACES 2017; 9:10446-10452. [PMID: 28247762 DOI: 10.1021/acsami.6b15918] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In recent years, multicellular spheroid (MCS) culture has been extensively studied both in fundamental research and application fields since it inherits much more characteristics from in vivo solid tumor than conventional two-dimensional (2D) cell culture. However, anticell adhesive MCS culture systems such as hanging drop allow certain cell lines only to form loose, irregular aggregates rather than MCS with physiological barriers and pathophysiological gradients, which failed to mimic in vivo solid tumor in these aspects. To address this issue, we improved our previously established anisotropic magnetic hydrogel platform, enabling it to generate multicellular spheroids with higher efficiency. The qualities of multicellular tumor spheroids (MCTSs) obtained on our platform and from classic 3D culture systems were compared in terms of morphology, biological molecule expression profiles, and drug resistance. In this novel platform, mature MCTSs with necrotic cores could be observed in 1 week. And results of molecular biological assays with real time-PCR and western-blot confirmed that MCTSs obtained from our platform performed higher cell pluripotency than those obtained from the hanging drop system. Moreover, a lower cell apoptosis ratio and better viability of cancer cells were observed on our platform both under culturing and drug treatment. In conclusion, higher quality of MCTSs obtained from this anisotropic magnetic hydrogel than classic hanging drop system validate its potential to be an in vitro platform of inducing tumor MCTS formation and drug efficacy evaluation.
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Affiliation(s)
| | - Ke Hu
- State Key Lab of Bioelectronics, Jiangsu Laboratory for Biomaterials and Device, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210029, China
| | - Jianfei Sun
- State Key Lab of Bioelectronics, Jiangsu Laboratory for Biomaterials and Device, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210029, China
| | - Yang Li
- State Key Lab of Bioelectronics, Jiangsu Laboratory for Biomaterials and Device, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210029, China
| | - Zhaobin Guo
- State Key Lab of Bioelectronics, Jiangsu Laboratory for Biomaterials and Device, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210029, China
| | | | | | | | - Ning Gu
- State Key Lab of Bioelectronics, Jiangsu Laboratory for Biomaterials and Device, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210029, China
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34
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Cui X, Hartanto Y, Zhang H. Advances in multicellular spheroids formation. J R Soc Interface 2017; 14:20160877. [PMID: 28202590 PMCID: PMC5332573 DOI: 10.1098/rsif.2016.0877] [Citation(s) in RCA: 292] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/11/2017] [Indexed: 12/20/2022] Open
Abstract
Three-dimensional multicellular spheroids (MCSs) have a complex architectural structure, dynamic cell-cell/cell-matrix interactions and bio-mimicking in vivo microenvironment. As a fundamental building block for tissue reconstruction, MCSs have emerged as a powerful tool to narrow down the gap between the in vitro and in vivo model. In this review paper, we discussed the structure and biology of MCSs and detailed fabricating methods. Among these methods, the approach in microfluidics with hydrogel support for MCS formation is promising because it allows essential cell-cell/cell-matrix interactions in a confined space.
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Affiliation(s)
- X Cui
- School of Chemical Engineering, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Y Hartanto
- School of Chemical Engineering, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - H Zhang
- School of Chemical Engineering, University of Adelaide, Adelaide, South Australia 5005, Australia
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35
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Izawa H, Okuda N, Moriyama A, Miyazaki Y, Ifuku S, Morimoto M, Saimoto H. Biobased Wrinkled Surfaces Induced by Wood Mimetic Skins upon Drying: Effect of Mechanical Properties on Wrinkle Morphology. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:12799-12804. [PMID: 27934515 DOI: 10.1021/acs.langmuir.6b03330] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We previously developed biobased wrinkled surfaces based on wood mimetic skins in which microscopic wrinkles were fabricated on a chitosan film by immersion in a phenolic acid solution, horseradish peroxidase-catalyzed surface reaction, and drying. Here, we prepared a diverse range of wrinkled films by immersion treatment at 30, 40, 50, and 60 °C in p-coumaric acid and then investigated the correlation between wrinkle morphology and mechanical properties. Wrinkle wavelengths gradually decreased as the immersion temperature increased as well as the previous report. In order to clarify the mechanisms responsible for the different wrinkle morphologies, the films were subjected to elastic moduli measurement and GPC analysis after immersion treatment. These experiments provided evidence that the chitosan around the film surface decomposed along with the immersion process. The decomposition was accelerated by higher immersion temperature, suggesting that higher temperatures led to the formation of softer skins, inducing smaller wrinkles. In fact, wrinkle morphologies with this system were predominately determined by the hardness of the wood mimetic skins. This phenomenon is consistent with the fundamentals of surface wrinkling in nature. This study is the first to demonstrate that artificial wrinkling triggered by water evaporation can be controlled by precise control of the surface hardness of soft material.
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Affiliation(s)
- Hironori Izawa
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Noriko Okuda
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Arisu Moriyama
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Yuka Miyazaki
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Shinsuke Ifuku
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Minoru Morimoto
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
| | - Hiroyuki Saimoto
- Graduate School of Engineering, Tottori University , 4-101 Koyama-Minami, Tottori 680-8550, Japan
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36
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Li Y, Li X, Guo W, Wu M, Sun J. Spontaneous wrinkling of layer-by-layer assembled polyelectrolyte films for humidity-responsive superhydrophobicity. Sci China Chem 2016. [DOI: 10.1007/s11426-016-0243-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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37
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Longo GS, Olvera de la Cruz M, Szleifer I. Controlling swelling/deswelling of stimuli-responsive hydrogel nanofilms in electric fields. SOFT MATTER 2016; 12:8359-8366. [PMID: 27714330 DOI: 10.1039/c6sm01172a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The swelling/deswelling transition of pH-sensitive, electrode-grafted, hydrogel nanofilms when exposed to electric fields is studied by theoretical analysis. In acidic conditions, the response of these films to changes in pH is dominated by network-surface interactions, while intra-network electrostatic repulsions, which are highly modulated by the adsorption of salt ions, determine material response at a higher pH. Film thickness is a non-monotonic function of solution pH and displays a local maximum, a local minimum or both, depending on the salt concentration and the applied voltage. We suggest the use of these materials in the development of biosensors and control of enzyme activity.
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Affiliation(s)
- Gabriel S Longo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET, La Plata, Argentina.
| | - Monica Olvera de la Cruz
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois, USA and Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois, USA
| | - Igal Szleifer
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois, USA and Department of Biomedical Engineering, Northwestern University, Evanston, Illinois, USA and Department of Chemistry, Northwestern University, Evanston, Illinois, USA
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38
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Laschke MW, Menger MD. Life is 3D: Boosting Spheroid Function for Tissue Engineering. Trends Biotechnol 2016; 35:133-144. [PMID: 27634310 DOI: 10.1016/j.tibtech.2016.08.004] [Citation(s) in RCA: 256] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/03/2016] [Accepted: 08/05/2016] [Indexed: 12/11/2022]
Abstract
Spheroids provide a 3D environment with intensive cell-cell contacts. As a result of their excellent regenerative properties and rapid progress in their high-throughput production, spheroids are increasingly suggested as building blocks for tissue engineering. In this review, we focus on innovative biotechnological approaches that increase the quality of spheroids for this specific type of application. These include in particular the fabrication of coculture spheroids, mimicking the complex morphology and physiological tasks of natural tissues. In vitro preconditioning under different culture conditions and incorporation of biomaterials improve the function of spheroids and their directed fusion into macrotissues of desired shapes. The continuous development of these sophisticated approaches may markedly contribute to a broad implementation of spheroid-based tissue engineering in future regenerative medicine.
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Affiliation(s)
- Matthias W Laschke
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg/Saar, Germany.
| | - Michael D Menger
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg/Saar, Germany
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39
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Hu K, Zhou N, Li Y, Ma S, Guo Z, Cao M, Zhang Q, Sun J, Zhang T, Gu N. Sliced Magnetic Polyacrylamide Hydrogel with Cell-Adhesive Microarray Interface: A Novel Multicellular Spheroid Culturing Platform. ACS APPLIED MATERIALS & INTERFACES 2016; 8:15113-15119. [PMID: 27258682 DOI: 10.1021/acsami.6b04112] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Cell-adhesive properties are of great significance to materials serving as extracellular matrix mimics. Appropriate cell-adhesive property of material interface can balance the cell-matrix interaction and cell-cell interaction and can promote cells to form 3D structures. Herein, a novel magnetic polyacrylamide (PAM) hydrogel fabricated via combining magnetostatic field induced magnetic nanoparticles assembly and hydrogel gelation was applied as a multicellular spheroids culturing platform. When cultured on the cell-adhesive microarray interface of sliced magnetic hydrogel, normal and tumor cells from different cell lines could rapidly form multicellular spheroids spontaneously. Furthermore, cells which could only form loose cell aggregates in a classic 3D cell culture model (such as hanging drop system) were able to be promoted to form multicellular spheroids on this platform. In the light of its simplicity in fabricating as well as its effectiveness in promoting formation of multicellular spheroids which was considered as a prevailing tool in the study of the microenvironmental regulation of tumor cell physiology and therapeutic problems, this composite material holds promise in anticancer drugs or hyperthermia therapy evaluation in vitro in the future.
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Affiliation(s)
- Ke Hu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Naizhen Zhou
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Yang Li
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Siyu Ma
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Zhaobin Guo
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Meng Cao
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Qiying Zhang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
| | - Jianfei Sun
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
- Collaborative Innovation Center of Suzhou Nano-Science and Technology, Suzhou Key Laboratory of Biomaterials and Technologies , Suzhou 215123, China
| | - Tianzhu Zhang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
- Collaborative Innovation Center of Suzhou Nano-Science and Technology, Suzhou Key Laboratory of Biomaterials and Technologies , Suzhou 215123, China
| | - Ning Gu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University , Nanjing 210096, China
- Collaborative Innovation Center of Suzhou Nano-Science and Technology, Suzhou Key Laboratory of Biomaterials and Technologies , Suzhou 215123, China
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40
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Hu M, Gu X, Hu Y, Wang T, Huang J, Wang C. Low Chemically Cross-Linked PAM/C-Dot Hydrogel with Robustness and Superstretchability in Both As-Prepared and Swelling Equilibrium States. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02352] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Meng Hu
- Research
Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
| | - Xiaoyu Gu
- Research
Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
| | - Yang Hu
- Research
Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
- Institute
of Biomaterials, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Tao Wang
- Research
Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
| | - Jian Huang
- Research
Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
| | - Chaoyang Wang
- Research
Institute of Materials Science, South China University of Technology, Guangzhou 510640, China
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41
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Cheng X, Liu J, Wang L, Wang R, Liu Z, Zhuo R. An enzyme-mediated in situ hydrogel based on polyaspartamide derivatives for localized drug delivery and 3D scaffolds. RSC Adv 2016. [DOI: 10.1039/c6ra18479k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
An enzyme-mediated in situ hydrogel based on polyaspartamide derivatives is prepared for localized drug delivery and 3D scaffolds.
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Affiliation(s)
- Xu Cheng
- Key Laboratory of Biomedical Polymers
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Jia Liu
- Key Laboratory of Biomedical Polymers
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Lei Wang
- Key Laboratory of Biomedical Polymers
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Ruoli Wang
- Key Laboratory of Biomedical Polymers
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Zhilan Liu
- Key Laboratory of Biomedical Polymers
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Renxi Zhuo
- Key Laboratory of Biomedical Polymers
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
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42
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Gu J, Zhao Y, Guan Y, Zhang Y. Effect of particle size in a colloidal hydrogel scaffold for 3D cell culture. Colloids Surf B Biointerfaces 2015; 136:1139-47. [DOI: 10.1016/j.colsurfb.2015.11.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 10/05/2015] [Accepted: 11/11/2015] [Indexed: 12/18/2022]
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43
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Izawa H, Okuda N, Ifuku S, Morimoto M, Saimoto H, Rojas OJ. Bio-based Wrinkled Surfaces Harnessed from Biological Design Principles of Wood and Peroxidase Activity. CHEMSUSCHEM 2015; 8:3892-3896. [PMID: 26489384 DOI: 10.1002/cssc.201500819] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Indexed: 06/05/2023]
Abstract
A new and simple approach for surface wrinkling inspired by polymer assemblies in wood fibers is introduced. A hard skin is synthesized on a linear polysaccharide support that resembles the structural units of the cell wall. This skin, a wood mimetic layer, is produced through immersion in a solution containing phenolic precursor and subsequent surface reaction by horseradish peroxidase. A patterned surface with micron-scale wrinkles is formed upon drying and as a result of inhomogeneous shrinkage. We demonstrate that the design of the wrinkled surfaces can be controlled by the molecular structure of the phenolic precursor, temperature, and drying stress. It is noteworthy that this is a totally bio-based system involving green materials and processes.
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Affiliation(s)
- Hironori Izawa
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8550, Japan.
| | - Noriko Okuda
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8550, Japan
| | - Shinsuke Ifuku
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8550, Japan
| | - Minoru Morimoto
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8550, Japan
| | - Hiroyuki Saimoto
- Graduate School of Engineering, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8550, Japan.
| | - Orlando J Rojas
- Biobased Colloids and Materials (BiCMat), School of Chemical Technology, Aalto University, P. O. Box 16300, 00076, Aalto, Finland
- Department of Forest Biomaterials, Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, 27695-8005, United States
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44
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Chitosan as inter-cellular linker to accelerate multicellular spheroid generation in hydrogel scaffold. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.09.073] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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45
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Zhao YN, Yuan Q, Li C, Guan Y, Zhang Y. Dynamic Layer-by-Layer Films: A Platform for Zero-Order Release. Biomacromolecules 2015; 16:2032-9. [DOI: 10.1021/acs.biomac.5b00438] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Ya-nan Zhao
- State Key Laboratory of Medicinal
Chemical Biology and Key Laboratory of Functional Polymer Materials,
Institute of Polymer Chemistry, College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
| | - Qingping Yuan
- State Key Laboratory of Medicinal
Chemical Biology and Key Laboratory of Functional Polymer Materials,
Institute of Polymer Chemistry, College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
| | - Chong Li
- State Key Laboratory of Medicinal
Chemical Biology and Key Laboratory of Functional Polymer Materials,
Institute of Polymer Chemistry, College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
| | - Ying Guan
- State Key Laboratory of Medicinal
Chemical Biology and Key Laboratory of Functional Polymer Materials,
Institute of Polymer Chemistry, College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
| | - Yongjun Zhang
- State Key Laboratory of Medicinal
Chemical Biology and Key Laboratory of Functional Polymer Materials,
Institute of Polymer Chemistry, College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
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Du Q, Guan Y, Zhu XX, Zhang Y. Swelling-induced surface instability patterns guided by pre-introduced structures. SOFT MATTER 2015; 11:1937-1944. [PMID: 25619166 DOI: 10.1039/c4sm02584a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Swelling-induced, spontaneously generated surface instability patterns in substrate-attached hydrogel films can be harnessed for advanced applications, however, methods to control their formation and morphology are missing. Here we propose that their generation may be guided by intentionally pre-introduced line structures. While uniform gel films produce irregular polygonal instability patterns, instability patterns generated in pre-patterned films with hexagonal line structures are regular hexagons with long-range order. The pre-introduced line structures act as defects in the generation of the surface instability patterns, which determine the position of the creases, regulate their rearrangement and determine their final morphology. The contrast between the pre-introduced structures and the surrounding area should be high enough for the pre-introduced structures to act as defects. Only when the characteristic wavelength of the pre-introduced pattern matches with the one of the gel film, perfect hexagonal patterns can be obtained. The gel films with uniform topographic features may find various advanced applications.
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Affiliation(s)
- Qing Du
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 30 0071, China.
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Hou J, Li C, Guan Y, Zhang Y, Zhu XX. Enzymatically crosslinked alginate hydrogels with improved adhesion properties. Polym Chem 2015. [DOI: 10.1039/c4py01757a] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Alginate–dopamine (Alg–DA) conjugate, a polymer with catechol side groups instead of phenol groups, gels in situ in the presence of HRP and H2O2. The resulting hydrogels exhibit significantly improved adhesion properties.
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Affiliation(s)
- Junxia Hou
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
| | - Chong Li
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
| | - Ying Guan
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
| | - Yongjun Zhang
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- College of Chemistry
- Nankai University
- and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
| | - X. X. Zhu
- Department of Chemistry
- Université de Montréal
- C. P. 6128
- Succursale Centre-ville
- Montreal
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