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Luo W, Zhang H, Wan R, Cai Y, Liu Y, Wu Y, Yang Y, Chen J, Zhang D, Luo Z, Shang X. Biomaterials-Based Technologies in Skeletal Muscle Tissue Engineering. Adv Healthc Mater 2024; 13:e2304196. [PMID: 38712598 DOI: 10.1002/adhm.202304196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/26/2024] [Indexed: 05/08/2024]
Abstract
For many clinically prevalent severe injuries, the inherent regenerative capacity of skeletal muscle remains inadequate. Skeletal muscle tissue engineering (SMTE) seeks to meet this clinical demand. With continuous progress in biomedicine and related technologies including micro/nanotechnology and 3D printing, numerous studies have uncovered various intrinsic mechanisms regulating skeletal muscle regeneration and developed tailored biomaterial systems based on these understandings. Here, the skeletal muscle structure and regeneration process are discussed and the diverse biomaterial systems derived from various technologies are explored in detail. Biomaterials serve not merely as local niches for cell growth, but also as scaffolds endowed with structural or physicochemical properties that provide tissue regenerative cues such as topographical, electrical, and mechanical signals. They can also act as delivery systems for stem cells and bioactive molecules that have been shown as key participants in endogenous repair cascades. To achieve bench-to-bedside translation, the typical effect enabled by biomaterial systems and the potential underlying molecular mechanisms are also summarized. Insights into the roles of biomaterials in SMTE from cellular and molecular perspectives are provided. Finally, perspectives on the advancement of SMTE are provided, for which gene therapy, exosomes, and hybrid biomaterials may hold promise to make important contributions.
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Affiliation(s)
- Wei Luo
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Hanli Zhang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Renwen Wan
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yuxi Cai
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yinuo Liu
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, P. R. China
| | - Yang Wu
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yimeng Yang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Jiani Chen
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, 999077, Hong Kong
| | - Zhiwen Luo
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Xiliang Shang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
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2
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Zhan Y, Jiang W, Liu Z, Wang Z, Guo K, Sun J. Utilizing bioprinting to engineer spatially organized tissues from the bottom-up. Stem Cell Res Ther 2024; 15:101. [PMID: 38589956 PMCID: PMC11003108 DOI: 10.1186/s13287-024-03712-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/31/2024] [Indexed: 04/10/2024] Open
Abstract
In response to the growing demand for organ substitutes, tissue engineering has evolved significantly. However, it is still challenging to create functional tissues and organs. Tissue engineering from the 'bottom-up' is promising on solving this problem due to its ability to construct tissues with physiological complexity. The workflow of this strategy involves two key steps: the creation of building blocks, and the subsequent assembly. There are many techniques developed for the two pivotal steps. Notably, bioprinting is versatile among these techniques and has been widely used in research. With its high level of automation, bioprinting has great capacity in engineering tissues with precision and holds promise to construct multi-material tissues. In this review, we summarize the techniques applied in fabrication and assembly of building blocks. We elaborate mechanisms and applications of bioprinting, particularly in the 'bottom-up' strategy. We state our perspectives on future trends of bottom-up tissue engineering, hoping to provide useful reference for researchers in this field.
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Affiliation(s)
- Yichen Zhan
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Wenbin Jiang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Zhirong Liu
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
| | - Zhenxing Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
| | - Ke Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
| | - Jiaming Sun
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
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3
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Xu F, Dawson C, Hoare T. Multicellular Layered Nanofibrous Poly(Oligo Ethylene Glycol Methacrylate) (POEGMA)-Based Hydrogel Scaffolds via Reactive Cell Electrospinning. Adv Biol (Weinh) 2023; 7:e2300052. [PMID: 37271858 DOI: 10.1002/adbi.202300052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/06/2023] [Indexed: 06/06/2023]
Abstract
While hydrogels are demonstrated to be effective scaffolds for soft tissue engineering, existing fabrication techniques pose limitations in terms of being able to reproduce both the micro/nanofibrous structures of native extracellular matrix as well as the spatial arrangement of different cell types inherent of more complex tissues. Herein, a reactive cell electrospinning strategy is described using hydrazide and aldehyde-functionalized poly(oligoethylene glycol methacrylate) precursor polymers that can create nanofibrous hydrogel scaffolds with controllable local cell gradients using a sequential all-aqueous process that does not require additives or external energy. Cells can be encapsulated directly during the fabrication process in different layers within the scaffold, enabling localized segregation of different cell types within the structures without compromising their capacity to proliferate (≈4-fold increase in cell density over a 14 day incubation period). This sequential reactive electrospinning approach thus offers promise to generate coculture fibrous hydrogel networks in which both the nanoscale architecture and the cell distribution can be controlled, as it is essential to recreate more complex types of tissues.
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Affiliation(s)
- Fei Xu
- Department of Chemical Engineering, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
| | - Chloe Dawson
- Department of Chemical Engineering, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
| | - Todd Hoare
- Department of Chemical Engineering, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
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Maurmann N, França FS, Girón J, Pranke P. Cell Electrospinning: a Review of Materials and Methodologies for Biofabrication. Adv Biol (Weinh) 2023; 7:e2300058. [PMID: 37271854 DOI: 10.1002/adbi.202300058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 04/22/2023] [Indexed: 06/06/2023]
Abstract
The process of electrohydrodynamic living cell microencapsulation inside a scaffold during the electrospinning (ES) process is called cell electrospinning (CE). Several studies demonstrate the feasibility of using cell electrospinning for biomedical applications, allowing for the direct biofabrication of living cells to be encapsulated in fibers for the formation of active biological scaffolds. In this review, a comprehensive overview of the materials and methodologies used in cell electrospinning, as well as their biomedical application in tissue engineering, is provided. Cell ES represents an innovative technique for automated application in regenerative medicine.
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Affiliation(s)
- Natasha Maurmann
- Hematology and Stem Cell Laboratory, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752/304G, Porto Alegre, 90.610-000, Brazil
| | - Fernanda S França
- Hematology and Stem Cell Laboratory, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752/304G, Porto Alegre, 90.610-000, Brazil
| | - Juliana Girón
- Center for Information Technology Renato Archer, Rodovia Dom Pedro I (SP-65), Km 143,6, Amarais, Campinas, SP, 13069-901, Brazil
| | - Patricia Pranke
- Hematology and Stem Cell Laboratory, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752/304G, Porto Alegre, 90.610-000, Brazil
- Stem Cell Research Institute, Rua dos Andradas, 1464/133, Porto Alegre, 90.020-010, Brazil
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5
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Nosoudi N, Hasanzadeh A, Hart M, Weaver B. Advancements and Future Perspectives in Cell Electrospinning and Bio-Electrospraying. Adv Biol (Weinh) 2023; 7:e2300213. [PMID: 37438326 DOI: 10.1002/adbi.202300213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/29/2023] [Indexed: 07/14/2023]
Abstract
In recent years, researchers have tried to include living cells into electrospun nanofibers or droplets, leading to the field of live cell electrospinning and bio-electrospraying . In live cell electrospinning and bio-electrospraying, cells are embedded in a polymer and subject to the process of mechanical and electrical stimulation of the process. The resulting nanofiber mats or droplets with embedded cells have several potential applications in tissue engineering. The nanofiber structure provides a supportive and porous environment for cells to grow and interact with their surroundings. This can be favorable for tissue regeneration, where the goal is to create functional tissues that closely mimic the extracellular matrix. However, there are also challenges associated with live cell electrospinning and electrospraying, including maintaining cell viability and uniform cell distribution within the nanofiber mat. Additionally, the electrospinning/electrospraying process can have an impact on cell behavior, phenotype, and genotype, which must be cautiously monitored and studied. Overall, the goal of this review paper is to provide a comprehensive and critical analysis of the existing literature on cell electrospinning and bio-electrospraying.
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Affiliation(s)
- Nasim Nosoudi
- Biomedical Engineering Department, College of Engineering and Computer Science, Marshall University, Huntington, WV, 25755-2586, USA
| | - Amin Hasanzadeh
- Department of Polymer Engineering, Amirkabir University of Technology, Tehran, 1591634311, Iran
| | - Madeline Hart
- Biomedical Engineering Department, College of Engineering and Computer Science, Marshall University, Huntington, WV, 25755-2586, USA
| | - Baylee Weaver
- Biomedical Engineering Department, College of Engineering and Computer Science, Marshall University, Huntington, WV, 25755-2586, USA
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6
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Elveren B, Kurečič M, Maver T, Maver U. Cell Electrospinning: A Mini-Review of the Critical Processing Parameters and Its Use in Biomedical Applications. Adv Biol (Weinh) 2023; 7:e2300057. [PMID: 36949550 DOI: 10.1002/adbi.202300057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 02/25/2023] [Indexed: 03/24/2023]
Abstract
Functional tissue engineering is a widely studied area of research with increasing importance in regenerative medicine, as well as in the development of in vitro models used for drug discovery and mimicking diseased tissues, among other applications. Electrospinning (ES) is one of the most widely used methods in these fields. It has attracted considerable interest because it can produce materials resembling the extracellular matrix of native tissues. The micro/nanofibers produced by this method provide a cell-friendly environment that promotes cellular activities. Cell electrospinning (C-ES) is based on the fundamental ES process and enables the encapsulation of viable cells in a micro/nanofibrous mesh. In this review, the process of C-ES and the materials used in this process are discussed. This work also discusses the applications of C-ES in tissue engineering, focusing on recent advances in this field.
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Affiliation(s)
- Beste Elveren
- Laboratory for Characterisation and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova Ulica 17, Maribor, 2000, Slovenia
| | - Manja Kurečič
- Laboratory for Characterisation and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova Ulica 17, Maribor, 2000, Slovenia
| | - Tina Maver
- Institute of Biomedical Sciences, Faculty of Medicine, University of Maribor, Taborska Ulica 8, Maribor, 2000, Slovenia
- Department of Pharmacology, Faculty of Medicine, University of Maribor, Taborska Ulica 8, Maribor, 2000, Slovenia
| | - Uroš Maver
- Institute of Biomedical Sciences, Faculty of Medicine, University of Maribor, Taborska Ulica 8, Maribor, 2000, Slovenia
- Department of Pharmacology, Faculty of Medicine, University of Maribor, Taborska Ulica 8, Maribor, 2000, Slovenia
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7
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Zhao Q, Du X, Wang M. Electrospinning and Cell Fibers in Biomedical Applications. Adv Biol (Weinh) 2023; 7:e2300092. [PMID: 37166021 DOI: 10.1002/adbi.202300092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/29/2023] [Indexed: 05/12/2023]
Abstract
Human body tissues such as muscle, blood vessels, tendon/ligaments, and nerves have fiber-like fascicle morphologies, where ordered organization of cells and extracellular matrix (ECM) within the bundles in specific 3D manners orchestrates cells and ECM to provide tissue functions. Through engineering cell fibers (which are fibers containing living cells) as living building blocks with the help of emerging "bottom-up" biomanufacturing technologies, it is now possible to reconstitute/recreate the fiber-like fascicle morphologies and their spatiotemporally specific cell-cell/cell-ECM interactions in vitro, thereby enabling the modeling, therapy, or repair of these fibrous tissues. In this article, a concise review is provided of the "bottom-up" biomanufacturing technologies and materials usable for fabricating cell fibers, with an emphasis on electrospinning that can effectively and efficiently produce thin cell fibers and with properly designed processes, 3D cell-laden structures that mimic those of native fibrous tissues. The importance and applications of cell fibers as models, therapeutic platforms, or analogs/replacements for tissues for areas such as drug testing, cell therapy, and tissue engineering are highlighted. Challenges, in terms of biomimicry of high-order hierarchical structures and complex dynamic cellular microenvironments of native tissues, as well as opportunities for cell fibers in a myriad of biomedical applications, are discussed.
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Affiliation(s)
- Qilong Zhao
- Institute of Biomedical and Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Xuemin Du
- Institute of Biomedical and Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Min Wang
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong
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Hu Z, Qin Z, Qu Y, Wang F, Huang B, Chen G, Liu X, Yin L. Cell electrospinning and its application in wound healing: principles, techniques and prospects. BURNS & TRAUMA 2023; 11:tkad028. [PMID: 37719178 PMCID: PMC10504149 DOI: 10.1093/burnst/tkad028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 09/19/2023]
Abstract
Currently, clinical strategies for the treatment of wounds are limited, especially in terms of achieving rapid wound healing. In recent years, based on the technique of electrospinning (ES), cell electrospinning (C-ES) has been developed to better repair related tissues or organs (such as skin, fat and muscle) by encapsulating living cells in a microfiber or nanofiber environment and constructing 3D living fiber scaffolds. Therefore, C-ES has promising prospects for promoting wound healing. In this article, C-ES technology and its advantages, the differences between C-ES and traditional ES, the parameters suitable for maintaining cytoactivity, and material selection and design issues are summarized. In addition, we review the application of C-ES in the fields of biomaterials and cells. Finally, the limitations and improved methods of C-ES are discussed. In conclusion, the potential advantages, limitations and prospects of C-ES application in wound healing are presented.
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Affiliation(s)
- Zonghao Hu
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
| | - Zishun Qin
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000, China
| | - Yue Qu
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
| | - Feng Wang
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
| | - Benheng Huang
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
| | - Gaigai Chen
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000, China
| | - Xiaoyuan Liu
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000, China
| | - Lihua Yin
- Department of Implantology, School/Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, China
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000, China
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9
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Ziai Y, Zargarian SS, Rinoldi C, Nakielski P, Sola A, Lanzi M, Truong YB, Pierini F. Conducting polymer-based nanostructured materials for brain-machine interfaces. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1895. [PMID: 37141863 DOI: 10.1002/wnan.1895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/14/2023] [Accepted: 04/05/2023] [Indexed: 05/06/2023]
Abstract
As scientists discovered that raw neurological signals could translate into bioelectric information, brain-machine interfaces (BMI) for experimental and clinical studies have experienced massive growth. Developing suitable materials for bioelectronic devices to be used for real-time recording and data digitalizing has three important necessitates which should be covered. Biocompatibility, electrical conductivity, and having mechanical properties similar to soft brain tissue to decrease mechanical mismatch should be adopted for all materials. In this review, inorganic nanoparticles and intrinsically conducting polymers are discussed to impart electrical conductivity to systems, where soft materials such as hydrogels can offer reliable mechanical properties and a biocompatible substrate. Interpenetrating hydrogel networks offer more mechanical stability and provide a path for incorporating polymers with desired properties into one strong network. Promising fabrication methods, like electrospinning and additive manufacturing, allow scientists to customize designs for each application and reach the maximum potential for the system. In the near future, it is desired to fabricate biohybrid conducting polymer-based interfaces loaded with cells, giving the opportunity for simultaneous stimulation and regeneration. Developing multi-modal BMIs, Using artificial intelligence and machine learning to design advanced materials are among the future goals for this field. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Neurological Disease.
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Affiliation(s)
- Yasamin Ziai
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland
| | - Seyed Shahrooz Zargarian
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland
| | - Chiara Rinoldi
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland
| | - Paweł Nakielski
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland
| | - Antonella Sola
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Manufacturing Business Unit, Clayton, Victoria, Australia
| | - Massimiliano Lanzi
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Yen Bach Truong
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Manufacturing Business Unit, Clayton, Victoria, Australia
| | - Filippo Pierini
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland
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Reizabal A, Tandon B, Lanceros-Méndez S, Dalton PD. Electrohydrodynamic 3D Printing of Aqueous Solutions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205255. [PMID: 36482162 DOI: 10.1002/smll.202205255] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Among the various electrohydrodynamic (EHD) processing techniques, electrowriting (EW) produces the most complex 3D structures. Aqueous solution EW similarly retains the potential for additive manufacturing well-resolved 3D structures, while providing new opportunities for processing biologically derived polymers and eschewing organic solvents. However, research on aqueous-based EHD processing is still limited. To summarize the field and advocate for increased use of aqueous bio-based materials, this review summarizes the most significant contributions of aqueous solution processing. Special emphasis has been placed on understanding the effects of different printing parameters, the prospects for 3D processing new materials, and future challenges.
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Affiliation(s)
- Ander Reizabal
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, 1505 Franklin Boulevard, Eugene, 97403, OR, USA
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa, 48940, Spain
| | - Biranche Tandon
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, 1505 Franklin Boulevard, Eugene, 97403, OR, USA
| | - Senentxu Lanceros-Méndez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa, 48940, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, 48009, Spain
| | - Paul D Dalton
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, 1505 Franklin Boulevard, Eugene, 97403, OR, USA
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11
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Esophageal wound healing by aligned smooth muscle cell-laden nanofibrous patch. Mater Today Bio 2023; 19:100564. [PMID: 36747583 PMCID: PMC9898453 DOI: 10.1016/j.mtbio.2023.100564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/22/2023] [Accepted: 01/24/2023] [Indexed: 01/27/2023] Open
Abstract
The esophagus exhibits peristalsis via contraction of circularly and longitudinally aligned smooth muscles, and esophageal replacement is required if there is a critical-sized wound. In this study, we proposed to reconstruct esophageal tissues using cell electrospinning (CE), an advanced technique for encapsulating living cells into fibers that allows control of the direction of fiber deposition. After treatment with transforming growth factor-β, mesenchymal stem cell-derived smooth muscle cells (SMCs) were utilized for cell electrospinning or three-dimensional bioprinting to compare the effects of aligned micropatterns on cell morphology. CE resulted in SMCs with uniaxially arranged and elongated cell morphology with upregulated expression levels of SMC-specific markers, including connexin 43, smooth muscle protein 22 alpha (SM22α), desmin, and smoothelin. When SMC-laden nanofibrous patches were transplanted into a rat esophageal defect model, the SMC patch promoted regeneration of esophageal wounds with an increased number of newly formed blood vessels and enhanced the SMC-specific markers of SM22α and vimentin. Taken together, CE with its advantages, such as guidance of highly elongated, aligned cell morphology and accelerated SMC differentiation, can be an efficient strategy to reconstruct smooth muscle tissues and treat esophageal perforation.
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12
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Qiu Z, Zhu H, Wang Y, Kasimu A, Li D, He J. Functionalized alginate-based bioinks for microscale electrohydrodynamic bioprinting of living tissue constructs with improved cellular spreading and alignment. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00225-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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13
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Li H, Xu M, Shi R, Zhang A, Zhang J. Advances in Electrostatic Spinning of Polymer Fibers Functionalized with Metal-Based Nanocrystals and Biomedical Applications. Molecules 2022; 27:molecules27175548. [PMID: 36080317 PMCID: PMC9458223 DOI: 10.3390/molecules27175548] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/20/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Considering the metal-based nanocrystal (NC) hierarchical structure requirements in many real applications, starting from basic synthesis principles of electrostatic spinning technology, the formation of functionalized fibrous materials with inorganic metallic and semiconductor nanocrystalline materials by electrostatic spinning synthesis technology in recent years was reviewed. Several typical electrostatic spinning synthesis methods for nanocrystalline materials in polymers are presented. Finally, the specific applications and perspectives of such electrostatic spun nanofibers in the biomedical field are reviewed in terms of antimicrobial fibers, biosensing and so on.
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Affiliation(s)
- Haojun Li
- Institute of Medical-Industrial Integration, Beijing Key Laboratory of Structurally Controllable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Meng Xu
- Institute of Medical-Industrial Integration, Beijing Key Laboratory of Structurally Controllable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Rui Shi
- Jishuitan Hospital, Beijing 100035, China
| | - Aiying Zhang
- Institute of Medical-Industrial Integration, Beijing Key Laboratory of Structurally Controllable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Jiatao Zhang
- Institute of Medical-Industrial Integration, Beijing Key Laboratory of Structurally Controllable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
- Correspondence:
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14
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Advances in spray products for skin regeneration. Bioact Mater 2022; 16:187-203. [PMID: 35386328 PMCID: PMC8965724 DOI: 10.1016/j.bioactmat.2022.02.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/22/2022] [Accepted: 02/18/2022] [Indexed: 12/25/2022] Open
Abstract
To date, skin wounds are still an issue for healthcare professionals. Although numerous approaches have been developed over the years for skin regeneration, recent advances in regenerative medicine offer very promising strategies for the fabrication of artificial skin substitutes, including 3D bioprinting, electrospinning or spraying, among others. In particular, skin sprays are an innovative technique still under clinical evaluation that show great potential for the delivery of cells and hydrogels to treat acute and chronic wounds. Skin sprays present significant advantages compared to conventional treatments for wound healing, such as the facility of application, the possibility to treat large wound areas, or the homogeneous distribution of the sprayed material. In this article, we review the latest advances in this technology, giving a detailed description of investigational and currently commercially available acellular and cellular skin spray products, used for a variety of diseases and applying different experimental materials. Moreover, as skin sprays products are subjected to different classifications, we also explain the regulatory pathways for their commercialization and include the main clinical trials for different skin diseases and their treatment conditions. Finally, we argue and suggest possible future trends for the biotechnology of skin sprays for a better use in clinical dermatology. Skin sprays represent a promising technique for wound healing applications. Skin sprays can deliver cells and hydrogels with great facility over large wounds. Many skin spray products have been studied, only a few have been commercialized. Numerous clinical trials study spray products for skin diseases like psoriasis. Improved spraying devices should be developed for different materials and cells.
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15
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Semitela Â, Ramalho G, Capitão A, Sousa C, Mendes AF, Aap Marques P, Completo A. Bio-electrospraying assessment toward in situ chondrocyte-laden electrospun scaffold fabrication. J Tissue Eng 2022; 13:20417314211069342. [PMID: 35024136 PMCID: PMC8743920 DOI: 10.1177/20417314211069342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/09/2021] [Indexed: 01/05/2023] Open
Abstract
Electrospinning has been widely used to fabricate fibrous scaffolds for cartilage tissue engineering, but their small pores severely restrict cell infiltration, resulting in an uneven distribution of cells across the scaffold, particularly in three-dimensional designs. If bio-electrospraying is applied, direct chondrocyte incorporation into the fibers during electrospinning may be a solution. However, before this approach can be effectively employed, it is critical to identify whether chondrocytes are adversely affected. Several electrospraying operating settings were tested to determine their effect on the survival and function of an immortalized human chondrocyte cell line. These chondrocytes survived through an electric field formed by low needle-to-collector distances and low voltage. No differences in chondrocyte viability, morphology, gene expression, or proliferation were found. Preliminary data of the combination of electrospraying and polymer electrospinning disclosed that chondrocyte integration was feasible using an alternated approach. The overall increase in chondrocyte viability over time indicated that the embedded cells retained their proliferative capacity. Besides the cell line, primary chondrocytes were also electrosprayed under the previously optimized operational conditions, revealing the higher sensitivity degree of these cells. Still, their post-electrosprayed viability remained considerably high. The data reported here further suggest that bio-electrospraying under the optimal operational conditions might be a promising alternative to the existent cell seeding techniques, promoting not only cells safe delivery to the scaffold, but also the development of cellularized cartilage tissue constructs.
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Affiliation(s)
- Ângela Semitela
- Centre of Mechanical Technology and Automation (TEMA), Department of Mechanical Engineering, University of Aveiro, Aveiro, Portugal
| | - Gonçalo Ramalho
- Centre of Mechanical Technology and Automation (TEMA), Department of Mechanical Engineering, University of Aveiro, Aveiro, Portugal
| | - Ana Capitão
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
| | - Cátia Sousa
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
| | - Alexandrina F Mendes
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
| | - Paula Aap Marques
- Centre of Mechanical Technology and Automation (TEMA), Department of Mechanical Engineering, University of Aveiro, Aveiro, Portugal
| | - António Completo
- Centre of Mechanical Technology and Automation (TEMA), Department of Mechanical Engineering, University of Aveiro, Aveiro, Portugal
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16
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Hosseini M, Shafiee A. Engineering Bioactive Scaffolds for Skin Regeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101384. [PMID: 34313003 DOI: 10.1002/smll.202101384] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/24/2021] [Indexed: 06/13/2023]
Abstract
Large skin wounds pose a major clinical challenge. Scarcity of donor site and postsurgical scarring contribute to the incomplete or partial loss of function and aesthetic concerns in skin wound patients. Currently, a wide variety of skin grafts are being applied in clinical settings. Scaffolds are used to overcome the issues related to the misaligned architecture of the repaired skin tissues. The current review summarizes the contribution of biomaterials to wound healing and skin regeneration and addresses the existing limitations in skin grafting. Then, the clinically approved biologic and synthetic skin substitutes are extensively reviewed. Next, the techniques for modification of skin grafts aiming for enhanced tissue regeneration are outlined, and a summary of different growth factor delivery systems using biomaterials is presented. Considering the significant progress in biomaterial science and manufacturing technologies, the idea of biomaterial-based skin grafts with the ability for scarless wound healing and reconstructing full skin organ is more achievable than ever.
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Affiliation(s)
- Motaharesadat Hosseini
- Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Abbas Shafiee
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia
- Royal Brisbane and Women's Hospital, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia
- UQ Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, 4102, Australia
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17
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Das P, Hore A, Ghosh A, Datta P. Bone tissue engineering construct fabricated using a cell electrospinning technique with polyglutamic acid biopolymer. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02612-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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18
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Mao M, Liang H, He J, Kasimu A, Zhang Y, Wang L, Li X, Li D. Coaxial Electrohydrodynamic Bioprinting of Pre-vascularized Cell-laden Constructs for Tissue Engineering. Int J Bioprint 2021; 7:362. [PMID: 34286149 PMCID: PMC8287508 DOI: 10.18063/ijb.v7i3.362] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/14/2021] [Indexed: 02/08/2023] Open
Abstract
Recapitulating the vascular networks that maintain the delivery of nutrition, oxygen, and byproducts for the living cells within the three-dimensional (3D) tissue constructs is a challenging issue in the tissue-engineering area. Here, a novel coaxial electrohydrodynamic (EHD) bioprinting strategy is presented to fabricate thick pre-vascularized cell-laden constructs. The alginate and collagen/calcium chloride solution were utilized as the outer-layer and inner-layer bioink, respectively, in the coaxial printing nozzle to produce the core-sheath hydrogel filaments. The effect of process parameters (the feeding rate of alginate and collagen and the moving speed of the printing stage) on the size of core and sheath lines within the printed filaments was investigated. The core-sheath filaments were printed in the predefined pattern to fabricate lattice hydrogel with perfusable lumen structures. Endothelialized lumen structures were fabricated by culturing the core-sheath filaments with endothelial cells laden in the core collagen hydrogel. Multilayer core-sheath filaments were successfully printed into 3D porous hydrogel constructs with a thickness of more than 3 mm. Finally, 3D pre-vascularized cardiac constructs were successfully generated, indicating the efficacy of our strategy to engineer living tissues with complex vascular structures.
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Affiliation(s)
- Mao Mao
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Hongtao Liang
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jiankang He
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Ayiguli Kasimu
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Yanning Zhang
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Ling Wang
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Xiao Li
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
| | - Dichen Li
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, China.,NMPA Key Laboratory for Research and Evaluation of Additive Manufacturing Medical Devices, Xi'an Jiaotong University, Xi'an 710049, China
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19
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Puertas-Bartolomé M, Mora-Boza A, García-Fernández L. Emerging Biofabrication Techniques: A Review on Natural Polymers for Biomedical Applications. Polymers (Basel) 2021; 13:1209. [PMID: 33918049 PMCID: PMC8069319 DOI: 10.3390/polym13081209] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/01/2021] [Accepted: 04/03/2021] [Indexed: 12/21/2022] Open
Abstract
Natural polymers have been widely used for biomedical applications in recent decades. They offer the advantages of resembling the extracellular matrix of native tissues and retaining biochemical cues and properties necessary to enhance their biocompatibility, so they usually improve the cellular attachment and behavior and avoid immunological reactions. Moreover, they offer a rapid degradability through natural enzymatic or chemical processes. However, natural polymers present poor mechanical strength, which frequently makes the manipulation processes difficult. Recent advances in biofabrication, 3D printing, microfluidics, and cell-electrospinning allow the manufacturing of complex natural polymer matrixes with biophysical and structural properties similar to those of the extracellular matrix. In addition, these techniques offer the possibility of incorporating different cell lines into the fabrication process, a revolutionary strategy broadly explored in recent years to produce cell-laden scaffolds that can better mimic the properties of functional tissues. In this review, the use of 3D printing, microfluidics, and electrospinning approaches has been extensively investigated for the biofabrication of naturally derived polymer scaffolds with encapsulated cells intended for biomedical applications (e.g., cell therapies, bone and dental grafts, cardiovascular or musculoskeletal tissue regeneration, and wound healing).
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Affiliation(s)
- María Puertas-Bartolomé
- INM—Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
- Saarland University, 66123 Saarbrücken, Germany
| | - Ana Mora-Boza
- Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, 2310 IBB Building, Atlanta, GA 30332-0363, USA
- Institute of Polymer Science and Technology (ICTP-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
| | - Luis García-Fernández
- Institute of Polymer Science and Technology (ICTP-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
- Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain
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20
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Abstract
Tissue engineering refers to the attempt to create functional human tissue from cells in a laboratory. This is a field that uses living cells, biocompatible materials, suitable biochemical and physical factors, and their combinations to create tissue-like structures. To date, no tissue engineered skeletal muscle implants have been developed for clinical use, but they may represent a valid alternative for the treatment of volumetric muscle loss in the near future. Herein, we reviewed the literature and showed different techniques to produce synthetic tissues with the same architectural, structural and functional properties as native tissues.
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21
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Castilho M, Levato R, Bernal PN, de Ruijter M, Sheng CY, van Duijn J, Piluso S, Ito K, Malda J. Hydrogel-Based Bioinks for Cell Electrowriting of Well-Organized Living Structures with Micrometer-Scale Resolution. Biomacromolecules 2021; 22:855-866. [PMID: 33412840 PMCID: PMC7880563 DOI: 10.1021/acs.biomac.0c01577] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bioprinting has become an important tool for fabricating regenerative implants and in vitro cell culture platforms. However, until today, extrusion-based bioprinting processes are limited to resolutions of hundreds of micrometers, which hamper the reproduction of intrinsic functions and morphologies of living tissues. This study describes novel hydrogel-based bioinks for cell electrowriting (CEW) of well-organized cell-laden fiber structures with diameters ranging from 5 to 40 μm. Two novel photoresponsive hydrogel bioinks, that is, based on gelatin and silk fibroin, which display distinctly different gelation chemistries, are introduced. The rapid photomediated cross-linking mechanisms, electrical conductivity, and viscosity of these two engineered bioinks allow the fabrication of 3D ordered fiber constructs with small pores (down to 100 μm) with different geometries (e.g., squares, hexagons, and curved patterns) of relevant thicknesses (up to 200 μm). Importantly, the biocompatibility of the gelatin- and silk fibroin-based bioinks enables the fabrication of cell-laden constructs, while maintaining high cell viability post printing. Taken together, CEW and the two hydrogel bioinks open up fascinating opportunities to manufacture microstructured constructs for applications in regenerative medicine and in vitro models that can better resemble cellular microenvironments.
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Affiliation(s)
- Miguel Castilho
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands.,Department of Biomedical Engineering, Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands
| | - Riccardo Levato
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands.,Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3508 GA Utrecht, The Netherlands
| | - Paulina Nunez Bernal
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands
| | - Mylène de Ruijter
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands
| | - Christina Y Sheng
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands
| | - Joost van Duijn
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands
| | - Susanna Piluso
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands.,Department of Developmental BioEngineering, Technical Medical Centre, University of Twente, 7522 NB Enschede, The Netherlands
| | - Keita Ito
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands.,Department of Biomedical Engineering, Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands
| | - Jos Malda
- Department of Orthopedics, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands.,Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3508 GA Utrecht, The Netherlands
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22
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Dziemidowicz K, Sang Q, Wu J, Zhang Z, Zhou F, Lagaron JM, Mo X, Parker GJM, Yu DG, Zhu LM, Williams GR. Electrospinning for healthcare: recent advancements. J Mater Chem B 2021; 9:939-951. [DOI: 10.1039/d0tb02124e] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This perspective explores recent developments and innovations in the electrospinning technique and their potential applications in biomedicine.
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Affiliation(s)
| | - Qingqing Sang
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- China
| | - Jinglei Wu
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- China
| | - Ziwei Zhang
- UCL School of Pharmacy
- University College London
- London WC1N 1AX
- UK
| | - Fenglei Zhou
- UCL School of Pharmacy
- University College London
- London WC1N 1AX
- UK
- Centre for Medical Image Computing, UCL Computer Science
| | - Jose M. Lagaron
- Novel Materials and Nanotechnology Group
- Institute of Agrochemistry and Food Technology
- Spanish Council for Scientific Research
- Valencia 46100
- Spain
| | - Xiumei Mo
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- China
| | - Geoff J. M. Parker
- Centre for Medical Image Computing, UCL Computer Science
- University College London
- London WC1V 6LJ
- UK
| | - Deng-Guang Yu
- School of Materials Science & Engineering, University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Li-Min Zhu
- College of Chemistry
- Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- China
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23
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De Pieri A, Byerley AM, Musumeci CR, Salemizadehparizi F, Vanderhorst MA, Wuertz‐Kozak K. Electrospinning and 3D bioprinting for intervertebral disc tissue engineering. JOR Spine 2020; 3:e1117. [PMID: 33392454 PMCID: PMC7770193 DOI: 10.1002/jsp2.1117] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is a major cause of low back pain and represents a massive socioeconomic burden. Current conservative and surgical treatments fail to restore native tissue architecture and functionality. Tissue engineering strategies, especially those based on 3D bioprinting and electrospinning, have emerged as possible alternatives by producing cell-seeded scaffolds that replicate the structure of the IVD extracellular matrix. In this review, we provide an overview of recent advancements and limitations of 3D bioprinting and electrospinning for the treatment of IVD degeneration, focusing on future areas of research that may contribute to their clinical translation.
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Affiliation(s)
- Andrea De Pieri
- Department of Biomedical EngineeringRochester Institute of Technology (RIT)RochesterNew YorkUSA
| | - Ann M. Byerley
- Department of Biomedical EngineeringRochester Institute of Technology (RIT)RochesterNew YorkUSA
| | - Catherine R. Musumeci
- Department of Biomedical EngineeringRochester Institute of Technology (RIT)RochesterNew YorkUSA
| | | | - Maya A. Vanderhorst
- Department of Biomedical EngineeringRochester Institute of Technology (RIT)RochesterNew YorkUSA
| | - Karin Wuertz‐Kozak
- Department of Biomedical EngineeringRochester Institute of Technology (RIT)RochesterNew YorkUSA
- Schön Clinic Munich Harlaching, Spine CenterAcademic Teaching Hospital and Spine Research Institute of the Paracelsus Medical University Salzburg (AU)MunichGermany
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24
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Moreira A, Lawson D, Onyekuru L, Dziemidowicz K, Angkawinitwong U, Costa PF, Radacsi N, Williams GR. Protein encapsulation by electrospinning and electrospraying. J Control Release 2020; 329:1172-1197. [PMID: 33127450 DOI: 10.1016/j.jconrel.2020.10.046] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 12/24/2022]
Abstract
Given the increasing interest in the use of peptide- and protein-based agents in therapeutic strategies, it is fundamental to develop delivery systems capable of preserving the biological activity of these molecules upon administration, and which can provide tuneable release profiles. Electrohydrodynamic (EHD) techniques, encompassing electrospinning and electrospraying, allow the generation of fibres and particles with high surface area-to-volume ratios, versatile architectures, and highly controllable release profiles. This review is focused on exploring the potential of different EHD methods (including blend, emulsion, and co-/multi-axial electrospinning and electrospraying) for the development of peptide and protein delivery systems. An overview of the principles of each technique is first presented, followed by a survey of the literature on the encapsulation of enzymes, growth factors, antibodies, hormones, and vaccine antigens using EHD approaches. The possibility for localised delivery using stimuli-responsive systems is also explored. Finally, the advantages and challenges with each EHD method are summarised, and the necessary steps for clinical translation and scaled-up production of electrospun and electrosprayed protein delivery systems are discussed.
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Affiliation(s)
| | - Dan Lawson
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK
| | - Lesley Onyekuru
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Karolina Dziemidowicz
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Ukrit Angkawinitwong
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Pedro F Costa
- BIOFABICS, Rua Alfredo Allen 455, 4200-135 Porto, Portugal.
| | - Norbert Radacsi
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK.
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
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25
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Wu K, Zhang D, Liu M, Lin Q, Shiu BC. A Study on the Improvement of Using Raw Lacquer and Electrospinning on Properties of PVP Nanofilms. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1723. [PMID: 32878093 PMCID: PMC7558613 DOI: 10.3390/nano10091723] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/23/2020] [Accepted: 08/26/2020] [Indexed: 11/25/2022]
Abstract
Raw lacquer (RL), ethanol being used as the solvent, was added to polyvinyl pyrrolidone (PVP) and then electrospun into RL/PVP nanofilms. Manufacturing parameters such as RL/PVP ratio, voltage, flow velocity, needle type, and the distance between syringe and the collection board were systematically investigated. A scanning electronic microscope (SEM) was used to observe the surface morphology of nanofilms; the block drop method was used to measure the water contact angle; the mechanical properties of RL/PVP nanofilms of different proportions were tested by universal material testing machine; and Fourier-transform infrared spectroscopy (FT-IR) was used to characterize the structure. Based on the water resistance and acid resistance measurements, the proposed nanofilms demonstrated to be water and acid resistant were successfully produced. The results show that PVP that melts in water becomes incompatible with water after adding raw lacquer, and the acid resistance is greatly improved. Furthermore, the smaller the fiber diameter, the better the mechanical properties of the nanofilms are under low ratio of RL/PVP. With a high proportion of RL/PVP, the inner structure of the nanofilm is denser, and the water resistance and acid resistance are better. The dense structure can protect the inner material of the nanofilms.
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Affiliation(s)
- Kunlin Wu
- Fujian Engineering and Research Center of New Chinese Lacquer Materials, Ocean College, Minjiang University, Fuzhou 350108, China; (K.W.); (D.Z.)
- College of Environment and Resources, Fuzhou University, Fuzhou 350108, China;
| | - Ding Zhang
- Fujian Engineering and Research Center of New Chinese Lacquer Materials, Ocean College, Minjiang University, Fuzhou 350108, China; (K.W.); (D.Z.)
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Minghua Liu
- College of Environment and Resources, Fuzhou University, Fuzhou 350108, China;
| | - Qi Lin
- Fujian Engineering and Research Center of New Chinese Lacquer Materials, Ocean College, Minjiang University, Fuzhou 350108, China; (K.W.); (D.Z.)
| | - Bing-Chiuan Shiu
- Fujian Engineering and Research Center of New Chinese Lacquer Materials, Ocean College, Minjiang University, Fuzhou 350108, China; (K.W.); (D.Z.)
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26
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He J, Zhang B, Li Z, Mao M, Li J, Han K, Li D. High-resolution electrohydrodynamic bioprinting: a new biofabrication strategy for biomimetic micro/nanoscale architectures and living tissue constructs. Biofabrication 2020; 12:042002. [PMID: 32615543 DOI: 10.1088/1758-5090/aba1fa] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Electrohydrodynamic (EHD) printing is a newly emerging additive manufacturing strategy for the controlled fabrication of three-dimensional (3D) micro/nanoscale architectures. This unique superiority makes it particularly suitable for the biofabrication of artificial tissue analogs with biomimetic structural organizations similar to the scales of native extracellular matrix (ECM) or living cells, which shows great potentials to precisely regulate cellular behaviors and tissue regeneration. Here the state-of-the-art advancements of high-resolution EHD bioprinting were reviewed mainly including melt-based and solution-based processes for the fabrication of micro/nanoscale fibrous scaffolds and living tissues constructs. The related printing materials, innovations on structure design and printing processes, functionalization of the resultant architectures as well as their effects on the mechanical and biological properties of the EHD-printed structures were introduced and analyzed. The recent explorations on the EHD cell printing for high-resolution cell-laden microgel patterning and 3D construct fabrication were highlighted. The major challenges as well as possible solutions to translate EHD bioprinting into a mature and prevalent biofabrication strategy were finally discussed.
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Affiliation(s)
- Jiankang He
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China. Rapid manufacturing research center of Shaanxi Province, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China. Author to whom any correspondence should be addressed
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27
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Ouyang L, Armstrong JPK, Chen Q, Lin Y, Stevens MM. Void-free 3D Bioprinting for In-situ Endothelialization and Microfluidic Perfusion. ADVANCED FUNCTIONAL MATERIALS 2020; 30:1909009. [PMID: 35677899 PMCID: PMC7612826 DOI: 10.1002/adfm.201909009] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Two major challenges of 3D bioprinting are the retention of structural fidelity and efficient endothelialization for tissue vascularization. We address both of these issues by introducing a versatile 3D bioprinting strategy, in which a templating bioink is deposited layer-by-layer alongside a matrix bioink to establish void-free multimaterial structures. After crosslinking the matrix phase, the templating phase is sacrificed to create a well-defined 3D network of interconnected tubular channels. This void-free 3D printing (VF-3DP) approach circumvents the traditional concerns of structural collapse, deformation and oxygen inhibition, moreover, it can be readily used to print materials that are widely considered "unprintable". By pre-loading endothelial cells into the templating bioink, the inner surface of the channels can be efficiently cellularized with a confluent endothelial layer. This in-situ endothelialization method can be used to produce endothelium with a far greater uniformity than can be achieved using the conventional post-seeding approach. This VF-3DP approach can also be extended beyond tissue fabrication and towards customized hydrogel-based microfluidics and self-supported perfusable hydrogel constructs.
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Yeo M, Kim G. Micro/nano-hierarchical scaffold fabricated using a cell electrospinning/3D printing process for co-culturing myoblasts and HUVECs to induce myoblast alignment and differentiation. Acta Biomater 2020; 107:102-114. [PMID: 32142759 DOI: 10.1016/j.actbio.2020.02.042] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/15/2022]
Abstract
Human skeletal muscle is composed of intricate anatomical structures, including uniaxially arranged myotubes and widely distributed blood capillaries. In this regard, vascularization is an essential part of the successful development of an engineered skeletal muscle tissue to restore its function and physiological activities. In this paper, we propose a method to obtain a platform for co-culturing human umbilical vein endothelial cells (HUVECs) and C2C12 cells using cell electrospinning and 3D bioprinting. To elaborate, on the surface of mechanical supporters (polycaprolactone and collagen struts) with a topographical cue, HUVECs-laden alginate bioink was uniaxially electrospun. The electrospun HUVECs showed high cell viability (90%), homogeneous cell distribution, and efficient HUVEC growth. Furthermore, the myoblasts (C2C12 cells), which were seeded on the vascularized structure (HUVECs-laden fibers), were co-cultured to facilitate myoblast regeneration. As a result, the scaffold that included myoblasts and HUVECs represented a high degree of the myosin heavy chain (MHC) with striated patterns and enhanced myogenic-specific gene expressions (MyoD, troponin T, MHC and myogenin) as compared to the scaffold that included only myoblasts. STATEMENT OF SIGNIFICANCE: Cell electrospinning is an advanced electrospinning method that improves cell-matrix interactions by embedding cells directly into micro/nanofibers. Here, cell electrospinning was employed to achieve not only the homogeneous human umbilical vein endothelial cells (HUVECs) distribution with a high cell-viability (~90%), but also highly aligned topographical cue. Moreover, the uniaxially micropatterned PCL/collagen struts as a physical support were generated using three-dimensional (3D) printing, and was covered with HUVEC-laden micro/nanofibers. This hierarchical structure provided meaningful mechanical stability, homogeneous cell distribution, and HUVEC transformation into a narrow, elongated structure. Furthermore, the myoblasts (C2C12 cells) were seeded on the HUVECs-laden fibers and cocultured to facilitate myogenesis. In brief, a myosin heavy chain with striated patterns and enhanced myogenic specific gene expressions were represented.
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Affiliation(s)
- Miji Yeo
- Department of Biomechatronic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University (SKKU), Suwon 440-746, South Korea
| | - GeunHyung Kim
- Department of Biomechatronic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University (SKKU), Suwon 440-746, South Korea.
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Svetlichnyi VM, Vaganov GV, Myagkova LA, Bugrov AN, Chiryat’eva AE, Vlasova EN, Ivan’kova EM, Elokhovskii YV, Popova EN, Smirnova VE, Yudin VE. Electrospinning of Aqueous Solutions of a Triethylammonium Salt of Polyamic Acid and Properties of the Nonwoven Polyimide Materials. RUSS J APPL CHEM+ 2020. [DOI: 10.1134/s1070427220010048] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Hong J, Yeo M, Yang GH, Kim G. Cell-Electrospinning and Its Application for Tissue Engineering. Int J Mol Sci 2019; 20:E6208. [PMID: 31835356 PMCID: PMC6940787 DOI: 10.3390/ijms20246208] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/05/2019] [Accepted: 12/05/2019] [Indexed: 12/27/2022] Open
Abstract
Electrospinning has gained great interest in the field of regenerative medicine, due to its fabrication of a native extracellular matrix-mimicking environment. The micro/nanofibers generated through this process provide cell-friendly surroundings which promote cellular activities. Despite these benefits of electrospinning, a process was introduced to overcome the limitations of electrospinning. Cell-electrospinning is based on the basic process of electrospinning for producing viable cells encapsulated in the micro/nanofibers. In this review, the process of cell-electrospinning and the materials used in this process will be discussed. This review will also discuss the applications of cell-electrospun structures in tissue engineering. Finally, the advantages, limitations, and future perspectives will be discussed.
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Affiliation(s)
| | | | | | - GeunHyung Kim
- Department of Biomechatronic Engineering, Sungkyunkwan University (SKKU), Suwon-si, Gyeonggi-do 16419, Korea; (J.H.); (M.Y.); (G.H.Y.)
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Campiglio CE, Bidarra SJ, Draghi L, Barrias CC. Bottom-up engineering of cell-laden hydrogel microfibrous patch for guided tissue regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 108:110488. [PMID: 31924002 DOI: 10.1016/j.msec.2019.110488] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/30/2019] [Accepted: 11/23/2019] [Indexed: 01/12/2023]
Abstract
The development of three-dimensional (3D) fibrous networks as platforms for tissue engineering applications has been attracting considerable attention. Opportunely arranged microscaled fibers offer an appealing biomimetic 3D architecture, with an open porous structure and a high surface-to-volume ratio. The present work describes the development of modified-alginate hydrogel microfibers for cell entrapment, using a purpose-designed flow circuit. For microfibers biofabrication, cells were suspended in gel-precursor alginate solution and injected in a closed-loop circuit with circulating cross-linking solution. The flow promoted stretching and solidification of continuous cell-loaded micro-scaled fibers that were collected in a strainer, assembling into a microfibrous patch. The process was optimized to allow obtaining a self-standing cohesive structure. After characterization of the microfibrous patch, the behavior of embedded human mesenchymal stem cells (hMSCs) was evaluated. Microfibers of oxidized alginate modified with integrin-binding ligands provided a suitable 3D cellular microenvironment, supporting hMSCs survival and stimulating the production of endogenous extracellular matrix proteins, such as fibronectin and collagen Type I. Collectively, these features make the proposed microfibrous structures stand out as promising 3D scaffolds for regenerative medicine.
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Affiliation(s)
- Chiara Emma Campiglio
- i3S - Instituto de Inovação e Investigação em Saúde, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy; INSTM - National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Silvia J Bidarra
- i3S - Instituto de Inovação e Investigação em Saúde, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Lorenza Draghi
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Cristina C Barrias
- i3S - Instituto de Inovação e Investigação em Saúde, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal; ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal.
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Gill E, Willis S, Gerigk M, Cohen P, Zhang D, Li X, Huang YYS. Fabrication of Designable and Suspended Microfibers via Low-Voltage 3D Micropatterning. ACS APPLIED MATERIALS & INTERFACES 2019; 11:19679-19690. [PMID: 31081331 PMCID: PMC6613729 DOI: 10.1021/acsami.9b01258] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 05/13/2019] [Indexed: 05/02/2023]
Abstract
Building two-dimensional (2D) and three-dimensional (3D) fibrous structures in the micro- and nanoscale will offer exciting prospects for numerous applications spanning from sensors to energy storage and tissue engineering scaffolds. Electrospinning is a well-suited technique for drawing micro- to nanoscale fibers, but current methods of building electrospun fibers in 3D are restrictive in terms of printed height, design of macroscopic fiber networks, and choice of polymer. Here, we combine low-voltage electrospinning and additive manufacturing as a method to pattern layers of suspended mesofibers. Layers of fibers are suspended between 3D-printed supports in situ in multiple fiber layers and designable orientations. We examine the key working parameters to attain a threshold for fiber suspension, use those behavioral observations to establish a "fiber suspension indicator", and demonstrate its utility through design of intricate suspended fiber architectures. Individual fibers produced by this method approach the micrometer/submicrometer scale, while the overall suspended 3D fiber architecture can span over a centimeter in height. We demonstrate an application of suspended fiber architectures in 3D cell culture, utilizing patterned fiber topography to guide the assembly of suspended high-cellular-density structures. The solution-based fiber suspension patterning process we report offers a unique competence in patterning soft polymers, including extracellular matrix-like materials, in a high resolution and aspect ratio. The platform could thus offer new design and manufacturing capabilities of devices and functional products by incorporating functional fibrous elements.
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Affiliation(s)
- Elisabeth
L. Gill
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
- The
Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K.
| | - Samuel Willis
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
| | - Magda Gerigk
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
- The
Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K.
| | - Paul Cohen
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
| | - Duo Zhang
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
- The
Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K.
| | - Xia Li
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
| | - Yan Yan Shery Huang
- Department
of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, U.K.
- The
Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K.
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Liu T, Wang Y, Zhong W, Li B, Mequanint K, Luo G, Xing M. Biomedical Applications of Layer-by-Layer Self-Assembly for Cell Encapsulation: Current Status and Future Perspectives. Adv Healthc Mater 2019; 8:e1800939. [PMID: 30511822 DOI: 10.1002/adhm.201800939] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/10/2018] [Indexed: 12/23/2022]
Abstract
Encapsulating living cells within multilayer functional shells is a crucial extension of cellular functions and a further development of cell surface engineering. In the last decade, cell encapsulation has been widely utilized in many cutting-edge biomedical fields. Compared with other techniques for cell encapsulation, layer-by-layer (LbL) self-assembly technology, due to the versatility and tunability to fabricate diverse multilayer shells with controllable compositions and structures, is considered as a promising approach for cell encapsulation. This review summarizes the state-of-the-art and potential future biomedical applications of LbL cell encapsulation. First of all, a brief introduction to the LbL self-assembly technique, including assembly mechanisms and technologies, is made. Next, different cell encapsulation strategies by LbL self-assembly techniques are explained. Then, the biomedical applications of LbL cell encapsulation in cell-based biosensors, cell transplantation, cell/molecule delivery, and tissue engineering, are highlighted. Finally, discussions on the current limitations and future perspectives of LbL cell encapsulation are also provided.
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Affiliation(s)
- Tengfei Liu
- Institute of Burn Research; State Key Laboratory of Trauma; Burn and Combined Injury; Southwest Hospital; Third Military Medical University (Army Medical University); Gaotanyan Street Chongqing 400038 China
| | - Ying Wang
- Institute of Burn Research; State Key Laboratory of Trauma; Burn and Combined Injury; Southwest Hospital; Third Military Medical University (Army Medical University); Gaotanyan Street Chongqing 400038 China
| | - Wen Zhong
- Department of Biosystem Engineering; Faculty of Agriculture; University of Manitoba; Winnpeg MB Canada
| | - Bingyun Li
- School of Medicine; West Virginia University; Morgantown WV 26506-9196 USA
| | - Kibret Mequanint
- Department of Chemical and Biochemical Engineering; University of Western; Ontario London N6A 5B9 Canada
| | - Gaoxing Luo
- Institute of Burn Research; State Key Laboratory of Trauma; Burn and Combined Injury; Southwest Hospital; Third Military Medical University (Army Medical University); Gaotanyan Street Chongqing 400038 China
| | - Malcolm Xing
- Institute of Burn Research; State Key Laboratory of Trauma; Burn and Combined Injury; Southwest Hospital; Third Military Medical University (Army Medical University); Gaotanyan Street Chongqing 400038 China
- Department of Mechanical Engineering; Faculty of Engineering; University of Manitoba; Winnipeg MB R3T 2N2 Canada
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Yeo M, Kim GH. Anisotropically Aligned Cell-Laden Nanofibrous Bundle Fabricated via Cell Electrospinning to Regenerate Skeletal Muscle Tissue. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1803491. [PMID: 30311453 DOI: 10.1002/smll.201803491] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/19/2018] [Indexed: 06/08/2023]
Abstract
For muscle regeneration, a uniaxially arranged micropattern is important to mimic the structure of the natural extracellular matrix. Recently, cell electrospinning (CE) has been tested to fabricate cell-laden fibrous structures by embedding cells directly into micro/nanofibers. Although homogenous cell distribution and a reasonable cell viability of the cell-laden fibrous structure fabricated using the CE process are achieved, unique topographical cues formed by an aligned fibrous structure have not been applied. In this study, a CE process to achieve not only homogeneous cell distribution with a high cell viability, but also highly aligned cells, which are guided by aligned alginate fibers is employed. To attain the aligned cell-laden fibrous structure, various processing conditions are examined. The selected condition is applied using C2C12 myoblast cells to ensure the biocompatibility and guidance of cell elongation and alignment. As a control, a cell-printed scaffold using a 3D bioprinter is used to compare the efficiency of cell alignment and differentiation of myoblasts. Highly arranged, multinucleated cell morphology is confirmed in the CE scaffold, which successively facilitates myogenic differentiation. It is believed that this study will be a new platform for obtaining cell alignment and will significantly benefit the efforts on muscle regeneration.
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Affiliation(s)
- Miji Yeo
- Department of Biomechatronic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University (SKKU), Suwon, 440-746, South Korea
| | - Geun Hyung Kim
- Department of Biomechatronic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University (SKKU), Suwon, 440-746, South Korea
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Savoji H, Godau B, Hassani MS, Akbari M. Skin Tissue Substitutes and Biomaterial Risk Assessment and Testing. Front Bioeng Biotechnol 2018; 6:86. [PMID: 30094235 PMCID: PMC6070628 DOI: 10.3389/fbioe.2018.00086] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 06/05/2018] [Indexed: 12/14/2022] Open
Abstract
Tremendous progress has been made over the past few decades to develop skin substitutes for the management of acute and chronic wounds. With the advent of tissue engineering and the ability to combine advanced manufacturing technologies with biomaterials and cell culture systems, more biomimetic tissue constructs have been emerged. Synthetic and natural biomaterials are the main constituents of these skin-like constructs, which play a significant role in tissue grafting, the body's immune response, and the healing process. The act of implanting biomaterials into the human body is subject to the body's immune response, and the complex nature of the immune system involves many different cell types and biological processes that will ultimately determine the success of a skin graft. As such, a large body of recent studies has been focused on the evaluation of the performance and risk assessment of these substitutes. This review summarizes the past and present advances in in vitro, in vivo and clinical applications of tissue-engineered skins. We discuss the role of immunomodulatory biomaterials and biomaterials risk assessment in skin tissue engineering. We will finally offer a roadmap for regulating tissue engineered skin substitutes.
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Affiliation(s)
- Houman Savoji
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Research Institute, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Brent Godau
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada
- Center for Biomedical Research, University of Victoria, Victoria, BC, Canada
- Centre for Advanced Materials and Related Technology, University of Victoria, Victoria, BC, Canada
| | - Mohsen Sheikh Hassani
- Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada
| | - Mohsen Akbari
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada
- Center for Biomedical Research, University of Victoria, Victoria, BC, Canada
- Centre for Advanced Materials and Related Technology, University of Victoria, Victoria, BC, Canada
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Matrenichev VV, Popryadukhin PV, Sklizkova VP, Svetlichnyi VM, Kryukov AE, Smirnova NV, Ivan’kova EM, Popova EN, Dobrovol’skaya IP, Yudin VE. Obtainment of Aromatic Polyimide Nanofibers and Materials on Their Basis for Cell Technologies. POLYMER SCIENCE SERIES A 2018. [DOI: 10.1134/s0965545x18040053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Schönfeld A, Constantinescu M, Peters K, Frenz M. Electrospinning of highly concentrated albumin patches by using auxiliary polymers for laser-assisted vascular anastomosis. ACTA ACUST UNITED AC 2018; 13:055001. [PMID: 29739918 DOI: 10.1088/1748-605x/aac332] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND OBJECTIVE Electrospun meshes have been extensively investigated for tissue engineering and drug delivery. The application of this technology is of interest for laser-assisted vascular anastomosis (LAVA) due to the possibility to bind and stabilize macromolecules in fibers. MATERIALS AND METHODS We prepared bovine serum albumin (BSA) blend microfibers from the auxiliary proteins polyethylene oxide (PEO), polycaprolactone (PCL), polyvinyl alcohol (PVA) and gelatin. The thickness and weight of the resulting patches were measured and the morphological characteristics were observed by scanning electron microscopy. Thereafter, layered patches were prepared by spinning the BSA/polymer layer on top of a light absorbing layer made of indocyanine green and PCL. The effect of the material composition of the electrospun patches on the behavior during LAVA, the bonding strength and the resulting thermal damage were investigated. RESULTS The bonding strength of the tissue fusion increased with higher BSA amounts in the patch. By using PEO, a ratio of 85/15 (w/w) of BSA/PEO was stable during electrospinning, leading to a shear strength that was similar to patches that were soaked in liquid BSA (20.7 ± 4.1 mN mm-2 and 20.3 ± 4.1 mN mm-2, respectively). The handling during LAVA was however drastically improved by using a layered patch made from BSA/PEO. Thermal damage was similar compared to previous solder materials. CONCLUSION This study investigated the maximum amount of BSA possible in electrospun polymer fibers made from PEO, PCL, PVA and gelatin. Both, the process of electrospinning and the performance during ex vivo LAVA, makes the BSA/PEO blend a promising material for LAVA.
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Affiliation(s)
- Annemarie Schönfeld
- University of Bern, Institute of Applied Physics, Department of Biomedical Photonics, Sidlerstrasse 5, Bern, 3012, Switzerland. University Medicine Rostock, Department of Cell Biology, Schillingallee 69, Rostock, D-18057, Germany
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Multi-length scale bioprinting towards simulating microenvironmental cues. Biodes Manuf 2018; 1:77-88. [PMID: 30546920 PMCID: PMC6267274 DOI: 10.1007/s42242-018-0014-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 05/02/2018] [Indexed: 02/08/2023]
Abstract
It is envisaged that the creation of cellular environments at multiple length scales, that recapitulate in vivo bioactive and structural roles, may hold the key to creating functional, complex tissues in the laboratory. This review considers recent advances in biofabrication and bioprinting techniques across different length scales. Particular focus is placed on 3D printing of hydrogels and fabrication of biomaterial fibres that could extend the feature resolution and material functionality of soft tissue constructs. The outlook from this review discusses how one might create and simulate microenvironmental cues in vitro. A fabrication platform that integrates the competencies of different biofabrication technologies is proposed. Such a multi-process, multiscale fabrication strategy may ultimately translate engineering capability into an accessible life sciences toolkit, fulfilling its potential to deliver in vitro disease models and engineered tissue implants.
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Moroni L, Boland T, Burdick JA, De Maria C, Derby B, Forgacs G, Groll J, Li Q, Malda J, Mironov VA, Mota C, Nakamura M, Shu W, Takeuchi S, Woodfield TB, Xu T, Yoo JJ, Vozzi G. Biofabrication: A Guide to Technology and Terminology. Trends Biotechnol 2018; 36:384-402. [DOI: 10.1016/j.tibtech.2017.10.015] [Citation(s) in RCA: 336] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 10/20/2017] [Accepted: 10/23/2017] [Indexed: 12/11/2022]
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Burn injury: Challenges and advances in burn wound healing, infection, pain and scarring. Adv Drug Deliv Rev 2018; 123:3-17. [PMID: 28941987 DOI: 10.1016/j.addr.2017.09.018] [Citation(s) in RCA: 291] [Impact Index Per Article: 48.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/15/2017] [Accepted: 09/18/2017] [Indexed: 12/18/2022]
Abstract
Severe burn injuries are the most traumatic and physically debilitating injuries affecting nearly every organ system and leading to significant morbidity and mortality. Early burn wound excision and skin grafting are common clinical practices that have significantly improved the outcomes for severe burn injured patients by reducing mortality rate and days of hospital stay. However, slow wound healing, infection, pain, and hypertrophic scarring continue to remain a major challenge in burn research and management. In the present article, we review and discuss issues in the current treatment of burn injuries; the advances and novel strategies developed in the past decade that have improved burn management; and also, pioneer ideas and studies in burn research which aims to enhance burn wound care with a focus on burn wound infection, pain management, treatments for scarring and skin tissue engineering.
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He J, Zhao X, Chang J, Li D. Microscale Electro-Hydrodynamic Cell Printing with High Viability. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13. [PMID: 29094473 DOI: 10.1002/smll.201702626] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 08/31/2017] [Indexed: 05/11/2023]
Abstract
Cell printing has gained extensive attentions for the controlled fabrication of living cellular constructs in vitro. Various cell printing techniques are now being explored and developed for improved cell viability and printing resolution. Here an electro-hydrodynamic cell printing strategy is developed with microscale resolution (<100 µm) and high cellular viability (>95%). Unlike the existing electro-hydrodynamic cell jetting or printing explorations, insulating substrate is used to replace conventional semiconductive substrate as the collecting surface which significantly reduces the electrical current in the electro-hydrodynamic printing process from milliamperes (>0.5 mA) to microamperes (<10 µA). Additionally, the nozzle-to-collector distance is fixed as small as 100 µm for better control over filament deposition. These features ensure high cellular viability and normal postproliferative capability of the electro-hydrodynamically printed cells. The smallest width of the electro-hydrodynamically printed hydrogel filament is 82.4 ± 14.3 µm by optimizing process parameters. Multiple hydrogels or multilayer cell-laden constructs can be flexibly printed under cell-friendly conditions. The printed cells in multilayer hydrogels kept alive and gradually spread during 7-days culture in vitro. This exploration offers a novel and promising cell printing strategy which might benefit future biomedical innovations such as microscale tissue engineering, organ-on-a-chip systems, and nanomedicine.
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Affiliation(s)
- Jiankang He
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Xiang Zhao
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Jinke Chang
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Dichen Li
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
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Forget A, Blaeser A, Miessmer F, Köpf M, Campos DFD, Voelcker NH, Blencowe A, Fischer H, Shastri VP. Mechanically Tunable Bioink for 3D Bioprinting of Human Cells. Adv Healthc Mater 2017; 6. [PMID: 28731220 DOI: 10.1002/adhm.201700255] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/17/2017] [Indexed: 12/13/2022]
Abstract
This study introduces a thermogelling bioink based on carboxylated agarose (CA) for bioprinting of mechanically defined microenvironments mimicking natural tissues. In CA system, by adjusting the degree of carboxylation, the elastic modulus of printed gels can be tuned over several orders of magnitudes (5-230 Pa) while ensuring almost no change to the shear viscosity (10-17 mPa) of the bioink solution; thus enabling the fabrication of 3D structures made of different mechanical domains under identical printing parameters and low nozzle shear stress. Human mesenchymal stem cells printed using CA as a bioink show significantly higher survival (95%) in comparison to when printed using native agarose (62%), a commonly used thermogelling hydrogel for 3D-bioprinting applications. This work paves the way toward the printing of complex tissue-like structures composed of a range of mechanically discrete microdomains that could potentially reproduce natural mechanical aspects of functional tissues.
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Affiliation(s)
- Aurelien Forget
- Institute for Macromolecular Chemistry University of Freiburg; 79104 Freiburg Germany
- Science and Engineering Faculty; Queensland University of Technology; Brisbane 4001 Australia
- School of Pharmacy and Medical Science University of South Australia; Adelaide 5000 Australia
| | - Andreas Blaeser
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | - Florian Miessmer
- Institute for Macromolecular Chemistry University of Freiburg; 79104 Freiburg Germany
| | - Marius Köpf
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | - Daniela F. Duarte Campos
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | | | - Anton Blencowe
- School of Pharmacy and Medical Science University of South Australia; Adelaide 5000 Australia
| | - Horst Fischer
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | - V. Prasad Shastri
- Institute for Macromolecular Chemistry University of Freiburg; 79104 Freiburg Germany
- BIOSS - Centre for Biological Signalling Studies; University of Freiburg; 79104 Freiburg Germany
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Suryavanshi A, Khanna K, Sindhu KR, Bellare J, Srivastava R. Magnesium oxide nanoparticle-loaded polycaprolactone composite electrospun fiber scaffolds for bone-soft tissue engineering applications: in-vitro and in-vivo evaluation. ACTA ACUST UNITED AC 2017; 12:055011. [PMID: 28944766 DOI: 10.1088/1748-605x/aa792b] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The objective of the present investigation was to assess the potential of magnesium oxide nanoparticle (MgO NP)-loaded electrospun polycaprolactone (PCL) polymer composites as a bone-soft tissue engineering scaffold. MgO NPs were synthesized using a hydroxide precipitation sol-gel method and characterized using field emission gun-scanning electron microscopy/energy-dispersive x-ray spectroscopy (FEG-SEM/EDS), field emission gun-transmission electron microscopy (FEG-TEM), and x-ray diffraction (XRD) analysis. PCL and MgO-PCL nanocomposite fibers were fabricated using electrospinning with trifluoroethanol as solvent at 19 kV applied voltage and 1.9 ml h-1 flow rate as optimized process parameters, and were characterized by FEG-TEM, FEG-SEM/EDS, XRD, and differential scanning calorimetry analyses. Characterization studies of as-synthesized nanoparticles revealed diffraction peaks indexed to various crystalline planes peculiar to MgO particles with hexagonal and cubical shape, and 40-60 nm size range. Significant improvement in mechanical properties (tensile strength and elastic modulus) of nanocomposites was observed as compared to neat polymer specimens (fourfold and threefold, respectively), due to uniform dispersion of nanofillers along the polymer fiber length. There was a remarkable bioactivity shown by nanocomposite scaffolds in immersion test, as indicated by formation of surface hydroxyapatite layer by the third day of incubation. MgO-loaded electrospun PCL mats showed enhanced in-vitro biological performance with osteoblast-like MG-63 cells in terms of adhesion, proliferation, and marked differentiation marker activity owing to greater surface roughness, nanotopography, and hydrophilicity facilitating higher protein adsorption. In-vivo subcutaneous implantation study in Sprague Dawley rats revealed initial moderate inflammatory tissue response near implant site at the second week timepoint that subsided later (eighth week) with no adverse effect on vital organ functionalities as seen in histopathological analysis supported by serum biochemical and hematological parameters which did not deviate significantly from normal physiological range, indicating good biocompatibility in-vivo. Thus, MgO-PCL nanocomposite electrospun fibers have potential as an efficient scaffold material for bone-soft tissue engineering applications.
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Affiliation(s)
- Ajay Suryavanshi
- NanoBios Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
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Affiliation(s)
- Suwan N. Jayasinghe
- BioPhysics Group, UCL Centre for Stem Cells and Regenerative Medicine; UCL Department of Mechanical Engineering and UCL Institute of Healthcare Engineering; University College London; Torrington Place London WC1E 7JE United Kingdom
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Ozawa F, Okitsu T, Takeuchi S. Improvement in the Mechanical Properties of Cell-Laden Hydrogel Microfibers Using Interpenetrating Polymer Networks. ACS Biomater Sci Eng 2017; 3:392-398. [DOI: 10.1021/acsbiomaterials.6b00619] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Fumisato Ozawa
- Institute
of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
- Takeuchi
Biohybrid Innovation Project, Exploratory Research for Advanced Technology
(ERATO), Japan Science and Technology (JST), Komaba Open Laboratory (KOL), Room
M202, 4-6-1, Komaba, Meguro-ku, Tokyo 153-8904, Japan
| | - Teru Okitsu
- Institute
of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
- Takeuchi
Biohybrid Innovation Project, Exploratory Research for Advanced Technology
(ERATO), Japan Science and Technology (JST), Komaba Open Laboratory (KOL), Room
M202, 4-6-1, Komaba, Meguro-ku, Tokyo 153-8904, Japan
| | - Shoji Takeuchi
- Institute
of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
- Takeuchi
Biohybrid Innovation Project, Exploratory Research for Advanced Technology
(ERATO), Japan Science and Technology (JST), Komaba Open Laboratory (KOL), Room
M202, 4-6-1, Komaba, Meguro-ku, Tokyo 153-8904, Japan
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46
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Hong N, Yang GH, Lee J, Kim G. 3D bioprinting and its in vivo
applications. J Biomed Mater Res B Appl Biomater 2017; 106:444-459. [DOI: 10.1002/jbm.b.33826] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/14/2016] [Accepted: 11/22/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Nhayoung Hong
- Department of Biomechatronic Engineering; College of Biotechnology and Bioengineering, Sungkyunkwan University; Suwon South Korea
| | - Gi-Hoon Yang
- Department of Biomechatronic Engineering; College of Biotechnology and Bioengineering, Sungkyunkwan University; Suwon South Korea
| | - JaeHwan Lee
- Department of Food Science and Biotechnology; College of Biotechnology and Bioengineering, Sungkyunkwan University; Suwon South Korea
| | - GeunHyung Kim
- Department of Biomechatronic Engineering; College of Biotechnology and Bioengineering, Sungkyunkwan University; Suwon South Korea
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Cheng J, Jun Y, Qin J, Lee SH. Electrospinning versus microfluidic spinning of functional fibers for biomedical applications. Biomaterials 2017; 114:121-143. [DOI: 10.1016/j.biomaterials.2016.10.040] [Citation(s) in RCA: 190] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/29/2016] [Accepted: 10/27/2016] [Indexed: 12/31/2022]
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Lv FY, Dong RH, Li ZJ, Qin CC, Yan X, He XX, Zhou Y, Yan SY, Long YZ. In situ precise electrospinning of medical glue fibers as nonsuture dural repair with high sealing capability and flexibility. Int J Nanomedicine 2016; 11:4213-20. [PMID: 27621616 PMCID: PMC5010156 DOI: 10.2147/ijn.s113560] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Purpose In this work, we propose an in situ precise electrospinning of medical glue fibers onto dural wound for improving sealing capability, avoiding tissue adhesion, and saving time in dural repair. Methods N-octyl-2-cyanoacrylate, a commercial tissue adhesive (medical glue), can be electrospun into ultrathin fibrous film with precise and homogeneous deposition by a gas-assisted electrospinning device. Results The self-assembled N-octyl-2-cyanoacrylate film shows high compactness and flexibility owing to its fibrous structure. Simulation experiments on egg membranes and goat meninges demonstrated that this technology can repair small membrane defects quickly and efficiently. Conclusion This method may have potential application in dural repair, for example, working as an effective supplementary technique for conventional dura suture.
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Affiliation(s)
- Fu-Yan Lv
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University
| | - Rui-Hua Dong
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University
| | - Zhao-Jian Li
- Department of Neurosurgery, Affiliated Hospital of Qingdao University
| | - Chong-Chong Qin
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University
| | - Xu Yan
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University; Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing
| | - Xiao-Xiao He
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University
| | - Yu Zhou
- Medical College, Qingdao University, Qingdao, People's Republic of China
| | - Shi-Ying Yan
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University
| | - Yun-Ze Long
- Collaborative Innovation Center for Nanomaterials & Optoelectronic Devices, College of Physics, Qingdao University; Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing
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Zhao Z, Wang J, Lu J, Yu Y, Fu F, Wang H, Liu Y, Zhao Y, Gu Z. Tubular inverse opal scaffolds for biomimetic vessels. NANOSCALE 2016; 8:13574-13580. [PMID: 27241065 DOI: 10.1039/c6nr03173k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
There is a clinical need for tissue-engineered blood vessels that can be used to replace or bypass damaged arteries. The success of such grafts depends strongly on their ability to mimic native arteries; however, currently available artificial vessels are restricted by their complex processing, controversial integrity, or uncontrollable cell location and orientation. Here, we present new tubular scaffolds with specific surface microstructures for structural vessel mimicry. The tubular scaffolds are fabricated by rotationally expanding three-dimensional tubular inverse opals that are replicated from colloidal crystal templates in capillaries. Because of the ordered porous structure of the inverse opals, the expanded tubular scaffolds are imparted with circumferentially oriented elliptical pattern microstructures on their surfaces. It is demonstrated that these tailored tubular scaffolds can effectively make endothelial cells to form an integrated hollow tubular structure on their inner surface and induce smooth muscle cells to form a circumferential orientation on their outer surface. These features of our tubular scaffolds make them highly promising for the construction of biomimetic blood vessels.
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Affiliation(s)
- Ze Zhao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Jie Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Jie Lu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Yunru Yu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Fanfan Fu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Huan Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Yuxiao Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Yuanjin Zhao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China. and Suzhou Key Laboratory of Environment and Biosafety, Research Institute of Southeast University in Suzhou, Suzhou 215123, China
| | - Zhongze Gu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China. and Suzhou Key Laboratory of Environment and Biosafety, Research Institute of Southeast University in Suzhou, Suzhou 215123, China
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Zhai Y, Wang D, Liu H, Zeng Y, Yin Z, Li L. Electrochemical Molecular Imprinted Sensors Based on Electrospun Nanofiber and Determination of Ascorbic Acid. ANAL SCI 2016; 31:793-8. [PMID: 26256603 DOI: 10.2116/analsci.31.793] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In this study, electrochemical molecularly imprinted sensors were fabricated and used for the determination of ascorbic acid (AA). Nanofiber membranes of cellulose acetate (CA)/multi-walled carbon nanotubes (MWCNTs)/polyvinylpyrrolidone (PVP) (CA/MWCNTs/PVP) were prepared by electrospinning technique. After being transferred to a glass carbon electrode (GC), the nanofiber interface was further polymerized with pyrrole through electrochemical cyclic voltammetry (CV) technique. Meanwhile, target molecules (such as AA) were embedded into the polypyrrole through the hydrogen bond. The effects of monomer concentration (pyrrole), the number of scan cycles and scan rates of polymerization were optimized. Differential pulse voltammetry (DPV) tests indicated that the oxidation current of AA (the selected target) were higher than that of the structural analogues, which illustrated the selective recognition of AA by molecularly imprinted sensors. Simultaneously, the molecularly imprinted sensors had larger oxidation current of AA than non-imprinted sensors in the processes of rebinding. The electrochemical measurements showed that the molecularly imprinted sensors demonstrated good identification behavior for the detection of AA with a linear range of 10.0 - 1000 μM, a low detection limit down to 3 μM (S/N = 3), and a recovery rate range from 94.0 to 108.8%. Therefore, the electrochemical molecularly imprinted sensors can be used for the recognition and detection of AA without any time-consuming elution. The method presented here demonstrates the great potential for electrospun nanofibers and MWCNTs to construct electrochemical sensors.
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Affiliation(s)
- Yunyun Zhai
- College of Biological, Chemical Sciences and Engineering, Jiaxing University
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