1
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Quizon MJ, Deppen JN, Barber GF, Kalelkar PP, Coronel MM, Levit RD, García AJ. VEGF-delivering PEG hydrogels promote vascularization in the porcine subcutaneous space. J Biomed Mater Res A 2024; 112:866-880. [PMID: 38189109 PMCID: PMC10984793 DOI: 10.1002/jbm.a.37666] [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: 11/16/2023] [Revised: 12/21/2023] [Accepted: 12/24/2023] [Indexed: 01/09/2024]
Abstract
For cell therapies, the subcutaneous space is an attractive transplant site due to its large surface area and accessibility for implantation, monitoring, biopsy, and retrieval. However, its poor vascularization has catalyzed research to induce blood vessel formation within the site to enhance cell revascularization and survival. Most studies focus on the subcutaneous space of rodents, which does not recapitulate important anatomical features and vascularization responses of humans. Herein, we evaluate biomaterial-driven vascularization in the porcine subcutaneous space. Additionally, we report the first use of cost-effective fluorescent microspheres to quantify perfusion in the porcine subcutaneous space. We investigate the vascularization-inducing efficacy of vascular endothelial growth factor (VEGF)-delivering synthetic hydrogels based on 4-arm poly(ethylene) glycol macromers with terminal maleimides (PEG-4MAL). We compare three groups: a non-degradable hydrogel with a VEGF-releasing PEG-4MAL gel coating (Core+VEGF gel); an uncoated, non-degradable hydrogel (Core-only); and naïve tissue. After 2 weeks, Core+VEGF gel has significantly higher tissue perfusion, blood vessel area, blood vessel density, and number of vessels compared to both Core-only and naïve tissue. Furthermore, healthy vital signs during surgery and post-procedure metrics demonstrate the safety of hydrogel delivery. We demonstrate that VEGF-delivering synthetic hydrogels induce robust vascularization and perfusion in the porcine subcutaneous space.
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Affiliation(s)
- Michelle J. Quizon
- Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. NW, Atlanta, GA 30332, USA
| | - Juline N. Deppen
- Division of Cardiology, Emory University School of Medicine, 1440 Clifton Rd, Atlanta, GA 30322, USA
| | - Graham F. Barber
- Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. NW, Atlanta, GA 30332, USA
| | - Pranav P. Kalelkar
- Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. NW, Atlanta, GA 30332, USA
| | - María M. Coronel
- Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. NW, Atlanta, GA 30332, USA
| | - Rebecca D. Levit
- Division of Cardiology, Emory University School of Medicine, 1440 Clifton Rd, Atlanta, GA 30322, USA
| | - Andrés J. García
- Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. NW, Atlanta, GA 30332, USA
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2
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Kozan NG, Joshi M, Sicherer ST, Grasman JM. Porous biomaterial scaffolds for skeletal muscle tissue engineering. Front Bioeng Biotechnol 2023; 11:1245897. [PMID: 37854885 PMCID: PMC10579822 DOI: 10.3389/fbioe.2023.1245897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 09/18/2023] [Indexed: 10/20/2023] Open
Abstract
Volumetric muscle loss is a traumatic injury which overwhelms the innate repair mechanisms of skeletal muscle and results in significant loss of muscle functionality. Tissue engineering seeks to regenerate these injuries through implantation of biomaterial scaffolds to encourage endogenous tissue formation and to restore mechanical function. Many types of scaffolds are currently being researched for this purpose. Scaffolds are typically made from either natural, synthetic, or conductive polymers, or any combination therein. A major criterion for the use of scaffolds for skeletal muscle is their porosity, which is essential for myoblast infiltration and myofiber ingrowth. In this review, we summarize the various methods of fabricating porous biomaterial scaffolds for skeletal muscle regeneration, as well as the various types of materials used to make these scaffolds. We provide guidelines for the fabrication of scaffolds based on functional requirements of skeletal muscle tissue, and discuss the general state of the field for skeletal muscle tissue engineering.
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Affiliation(s)
| | | | | | - Jonathan M. Grasman
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States
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3
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Aziz R, Falanga M, Purenovic J, Mancini S, Lamberti P, Guida M. A Review on the Applications of Natural Biodegradable Nano Polymers in Cardiac Tissue Engineering. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1374. [PMID: 37110959 PMCID: PMC10145986 DOI: 10.3390/nano13081374] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
As cardiac diseases, which mostly result in heart failure, are increasing rapidly worldwide, heart transplantation seems the only solution for saving lives. However, this practice is not always possible due to several reasons, such as scarcity of donors, rejection of organs from recipient bodies, or costly medical procedures. In the framework of nanotechnology, nanomaterials greatly contribute to the development of these cardiovascular scaffolds as they provide an easy regeneration of the tissues. Currently, functional nanofibers can be used in the production of stem cells and in the regeneration of cells and tissues. The small size of nanomaterials, however, leads to changes in their chemical and physical characteristics that could alter their interaction and exposure to stem cells with cells and tissues. This article aims to review the naturally occurring biodegradable nanomaterials that are used in cardiovascular tissue engineering for the development of cardiac patches, vessels, and tissues. Moreover, this article also provides an overview of cell sources used for cardiac tissue engineering, explains the anatomy and physiology of the human heart, and explores the regeneration of cardiac cells and the nanofabrication approaches used in cardiac tissue engineering as well as scaffolds.
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Affiliation(s)
- Rabia Aziz
- Department of Information and Electrical Engineering and Applied Mathematics (DIEM), University of Salerno, 84084 Fisciano, Italy; (M.F.); (S.M.); (P.L.); (M.G.)
- Consiglio Nazionale Delle Ricerche (CNR)-Istituto Officina dei Materiali (IOM), Area Science Park Basovizza S.S. 14-Km. 163, 5-34149 Trieste, Italy
| | - Mariarosaria Falanga
- Department of Information and Electrical Engineering and Applied Mathematics (DIEM), University of Salerno, 84084 Fisciano, Italy; (M.F.); (S.M.); (P.L.); (M.G.)
| | - Jelena Purenovic
- Department of Physics and Materials, Faculty of Sciences at Cacak, University of Kragujevac, 32000 Cacak, Serbia;
| | - Simona Mancini
- Department of Information and Electrical Engineering and Applied Mathematics (DIEM), University of Salerno, 84084 Fisciano, Italy; (M.F.); (S.M.); (P.L.); (M.G.)
| | - Patrizia Lamberti
- Department of Information and Electrical Engineering and Applied Mathematics (DIEM), University of Salerno, 84084 Fisciano, Italy; (M.F.); (S.M.); (P.L.); (M.G.)
- Italian Interuniversity Research Center on Interaction between Electromagnetic Fields and Biosystems (ICEmB), Università Degli Studi di Genova, DITEN, Via all’Opera Pia 11/a, 16145 Genova, Italy
- Interdepartmental Research Centre for Nanomaterials and Nanotechnology at the University of Salerno (NanoMates), Department of Physics, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Michele Guida
- Department of Information and Electrical Engineering and Applied Mathematics (DIEM), University of Salerno, 84084 Fisciano, Italy; (M.F.); (S.M.); (P.L.); (M.G.)
- Italian Interuniversity Research Center on Interaction between Electromagnetic Fields and Biosystems (ICEmB), Università Degli Studi di Genova, DITEN, Via all’Opera Pia 11/a, 16145 Genova, Italy
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4
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Recent trends in bioartificial muscle engineering and their applications in cultured meat, biorobotic systems and biohybrid implants. Commun Biol 2022; 5:737. [PMID: 35869250 PMCID: PMC9307618 DOI: 10.1038/s42003-022-03593-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 06/16/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractRecent advances in tissue engineering and biofabrication technology have yielded a plethora of biological tissues. Among these, engineering of bioartificial muscle stands out for its exceptional versatility and its wide range of applications. From the food industry to the technology sector and medicine, the development of this tissue has the potential to affect many different industries at once. However, to date, the biofabrication of cultured meat, biorobotic systems, and bioartificial muscle implants are still considered in isolation by individual peer groups. To establish common ground and share advances, this review outlines application-specific requirements for muscle tissue generation and provides a comprehensive overview of commonly used biofabrication strategies and current application trends. By solving the individual challenges and merging various expertise, synergetic leaps of innovation that inspire each other can be expected in all three industries in the future.
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5
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Sánchez‐Cid P, Perez‐Puyana V, Jiménez‐Rosado M, Guerrero A, Romero A. Influence of elastin on the properties of hybrid
PCL
/elastin scaffolds for tissue engineering. J Appl Polym Sci 2021. [DOI: 10.1002/app.50893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pablo Sánchez‐Cid
- Departamento de Ingeniería Química, Facultad de Química Universidad de Sevilla Sevilla Spain
| | - Victor Perez‐Puyana
- Departamento de Ingeniería Química, Facultad de Química Universidad de Sevilla Sevilla Spain
| | - Mercedes Jiménez‐Rosado
- Departamento de Ingeniería Química, Escuela Politécnica Superior Universidad de Sevilla Sevilla Spain
| | - Antonio Guerrero
- Departamento de Ingeniería Química, Escuela Politécnica Superior Universidad de Sevilla Sevilla Spain
| | - Alberto Romero
- Departamento de Ingeniería Química, Facultad de Química Universidad de Sevilla Sevilla Spain
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6
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Ng S, Kurisawa M. Integrating biomaterials and food biopolymers for cultured meat production. Acta Biomater 2021; 124:108-129. [PMID: 33472103 DOI: 10.1016/j.actbio.2021.01.017] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/18/2020] [Accepted: 01/11/2021] [Indexed: 02/07/2023]
Abstract
Cultured meat has recently achieved mainstream prominence due to the emergence of societal and industrial interest. In contrast to animal-based production of traditional meat, the cultured meat approach entails laboratory cultivation of engineered muscle tissue. However, bioengineers have hitherto engineered tissues to fulfil biomedical endpoints, and have had limited experience in engineering muscle tissue for its post-mortem traits, which broadly govern consumer definitions of meat quality. Furthermore, existing tissue engineering approaches face fundamental challenges in technical feasibility and industrial scalability for cultured meat production. This review discusses how animal-based meat production variables influence meat properties at both the molecular and functional level, and whether current cultured meat approaches recapitulate these properties. In addition, this review considers how conventional meat producers employ exogenous biopolymer-based meat ingredients and processing techniques to mimic desirable meat properties in meat products. Finally, current biomaterial strategies for engineering muscle and adipose tissue are surveyed in the context of emerging constraints that pertain to cultured meat production, such as edibility, sustainability and scalability, and potential areas for integrating biomaterials and food biopolymer approaches to address these constraints are discussed. STATEMENT OF SIGNIFICANCE: Laboratory-grown or cultured meat has gained increasing interest from industry and the public, but currently faces significant impediment to market feasibility. This is due to fundamental knowledge gaps in producing realistic meat tissues via conventional tissue engineering approaches, as well as translational challenges in scaling up these approaches in an efficient, sustainable and high-volume manner. By defining the molecular basis for desirable meat quality attributes, such as taste and texture, and introducing the fundamental roles of food biopolymers in mimicking these properties in conventional meat products, this review aims to bridge the historically disparate fields of meat science and biomaterials engineering in order to inspire potentially synergistic strategies that address some of these challenges.
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7
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Wang YH, Wang DR, Guo YC, Liu JY, Pan J. The application of bone marrow mesenchymal stem cells and biomaterials in skeletal muscle regeneration. Regen Ther 2020; 15:285-294. [PMID: 33426231 PMCID: PMC7770413 DOI: 10.1016/j.reth.2020.11.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/07/2020] [Accepted: 11/16/2020] [Indexed: 02/08/2023] Open
Abstract
Skeletal muscle injuries have bothered doctors and caused great burdens to the public medical insurance system for a long time. Once injured, skeletal muscles usually go through the processes of inflammation, repairing and remodeling. If repairing and remodeling stages are out of balance, scars will be formed to replace injured skeletal muscles. At present, clinicians usually use conventional methods to restore the injured skeletal muscles, such as flap transplantation. However, flap transplantation sometimes needs to sacrifice healthy autologous tissues and will bring extra harm to patients. In recent years, stem cells-based tissue engineering provides us new treatment ideas for skeletal muscle injuries. Stem cells are cells with multiple differentiation potential and have ability to differentiate into adult cells under special condition. Skeletal muscle tissues also have stem cells, called satellite cells, but they are in small amount and new muscle fibers that derived from them may not be enough to replace injured fibers. Bone marrow mesenchymal stem cells (BM-MSCs) could promote musculoskeletal tissue regeneration and activate the myogenic differentiation of satellite cells. Biomaterial is another important factor to promote tissue regeneration and greatly enhance physiological activities of stem cells in vivo. The combined use of stem cells and biomaterials will gradually become a mainstream to restore injured skeletal muscles in the future. This review article mainly focuses on the review of research about the application of BM-MSCs and several major biomaterials in skeletal muscle regeneration over the past decades.
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Key Words
- 3D-ECM, three dimensional extracellular matrix
- ASCs, adipose stem cells
- BDNF, brain derived neurotrophic factor
- BM-MSCs
- BM-MSCs, bone marrow mesenchymal stem cells
- Biomaterial
- CREB, cAMP- response element binding protein
- DPSCs, dental pulp stem cells
- Differentiation
- ECM, extracellular matrix
- ECs, endothelial cells
- EGF, epidermal growth factor
- FGF, fibroblast growth factor
- FGF-2, fibroblast growth factor-2
- GCSF, granulocyte colony-stimulating factor
- GDNF, glial derived neurotrophic factor
- GPT, gelatin-poly(ethylene glycol)- tyramine
- HGF, hepatocyte growth factor
- IGF-1, insulin-like growth factor-1
- IL, interleukin
- LIF, leukemia inhibitory factor
- MRF, myogenic muscle factor
- NSAIDs, non-steroidal drugs
- PDGF-BB, platelet derived growth factor-BB
- PGE2, prostaglandin E2
- PRP, platelet rich plasma
- S1P, sphingosine 1-phosphate
- SDF-1, stromal cell derived factor-1
- Skeletal muscle injury
- TGF-β, transforming growth factor-β
- Tissue regeneration
- TrkB, tyrosine kinaseB
- VEGF, vascular endothelial growth factor
- VML, volumetric muscle loss
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Affiliation(s)
- Yu-Hao Wang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, 610041, PR China
| | - Dian-Ri Wang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, 610041, PR China
| | - Yu-Chen Guo
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Ji-Yuan Liu
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Jian Pan
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, 610041, PR China
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8
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Liu Y, Fan D. Novel hyaluronic acid-tyrosine/collagen-based injectable hydrogels as soft filler for tissue engineering. Int J Biol Macromol 2019; 141:700-712. [DOI: 10.1016/j.ijbiomac.2019.08.233] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 08/06/2019] [Accepted: 08/28/2019] [Indexed: 12/20/2022]
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9
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Kankala RK, Zhao J, Liu CG, Song XJ, Yang DY, Zhu K, Wang SB, Zhang YS, Chen AZ. Highly Porous Microcarriers for Minimally Invasive In Situ Skeletal Muscle Cell Delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1901397. [PMID: 31066236 PMCID: PMC6750270 DOI: 10.1002/smll.201901397] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 04/12/2019] [Indexed: 05/19/2023]
Abstract
Microscale cell carriers have recently garnered enormous interest in repairing tissue defects by avoiding substantial open surgeries using implants for tissue regeneration. In this study, the highly open porous microspheres (HOPMs) are fabricated using a microfluidic technique for harboring proliferating skeletal myoblasts and evaluating their feasibility toward cell delivery application in situ. These biocompatible HOPMs with particle sizes of 280-370 µm possess open pores of 10-80 µm and interconnected paths. Such structure of the HOPMs conveniently provide a favorable microenvironment, where the cells are closely arranged in elongated shapes with the deposited extracellular matrix, facilitating cell adhesion and proliferation, as well as augmented myogenic differentiation. Furthermore, in vivo results in mice confirm improved cell retention and vascularization, as well as partial myoblast differentiation. These modular cell-laden microcarriers potentially allow for in situ tissue construction after minimally invasive delivery providing a convenient means for regeneration medicine.
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Affiliation(s)
- Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
| | - Jia Zhao
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
| | - Chen-Guang Liu
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
| | - Xiao-Jie Song
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
| | - Da-Yun Yang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350108, P. R. China
| | - Kai Zhu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, P. R. China
| | - Shi-Bin Wang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, Cambridge, MA, 02139, USA
| | - Ai-Zheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
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10
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Monico MD, Tahriri M, Fahmy MD, Ghassemi H, Vashaee D, Tayebi L. Cartilage and facial muscle tissue engineering and regeneration: a mini review. Biodes Manuf 2018. [DOI: 10.1007/s42242-018-0011-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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11
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Matthias N, Hunt SD, Wu J, Lo J, Smith Callahan LA, Li Y, Huard J, Darabi R. Volumetric muscle loss injury repair using in situ fibrin gel cast seeded with muscle-derived stem cells (MDSCs). Stem Cell Res 2018; 27:65-73. [PMID: 29331939 PMCID: PMC5851454 DOI: 10.1016/j.scr.2018.01.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 11/02/2017] [Accepted: 01/05/2018] [Indexed: 12/22/2022] Open
Abstract
Volumetric muscle defect, caused by trauma or combat injuries, is a major health concern leading to severe morbidity. It is characterized by partial or full thickness loss of muscle and its bio-scaffold, resulting in extensive fibrosis and scar formation. Therefore, the ideal therapeutic option is to use stem cells combined with bio-scaffolds to restore muscle. For this purpose, muscle-derived stem cells (MDSCs) are a great candidate due to their unique multi-lineage differentiation potential. In this study, we evaluated the regeneration potential of MDSCs for muscle loss repair using a novel in situ fibrin gel casting. Muscle defect was created by a partial thickness wedge resection in the tibialis anterior (TA)muscles of NSG mice which created an average of 25% mass loss. If untreated, this defect leads to severe muscle fibrosis. Next, MDSCs were delivered using a novel in situ fibrin gel casting method. Our results demonstrated MDSCs are able to engraft and form new myofibers in the defect when casted along with fibrin gel. LacZ labeled MDSCs were able to differentiate efficiently into new myofibers and significantly increase muscle mass. This was also accompanied by significant reduction of fibrotic tissue in the engrafted muscles. Furthermore, transplanted cells also contributed to new vessel formation and satellite cell seeding. These results confirmed the therapeutic potential of MDSCs and feasibility of direct in situ casting of fibrin/MDSC mixture to repair muscle mass defects.
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Affiliation(s)
- Nadine Matthias
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States
| | - Samuel D Hunt
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States
| | - Jianbo Wu
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States
| | - Jonathan Lo
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States
| | - Laura A Smith Callahan
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States; The Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston, Houston, TX 77030, United States; Vivian L. Smith Department of Neurosurgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, United States; Department of Nanomedicine and Biomedical Engineering, The University of Texas Health Science Center at Houston, Houston, TX 77030, United States
| | - Yong Li
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States; Department of Pediatric Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, United States
| | - Johnny Huard
- Department of Orthopedic Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, United States
| | - Radbod Darabi
- Center for Stem Cell and Regenerative Medicine (CSCRM) and the Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), United States; The Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston, Houston, TX 77030, United States.
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12
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Pollot BE, Rathbone CR, Wenke JC, Guda T. Natural polymeric hydrogel evaluation for skeletal muscle tissue engineering. J Biomed Mater Res B Appl Biomater 2017; 106:672-679. [PMID: 28306190 DOI: 10.1002/jbm.b.33859] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 12/15/2016] [Accepted: 01/26/2017] [Indexed: 11/10/2022]
Abstract
Although skeletal muscle has a remarkable ability to repair/regenerate after most types of injuries, there is limited regeneration after volumetric muscle loss (VML). A number of scaffold materials have been used in the development of grafts to treat VML, however, there is still a need to better understand the most appropriate material with regards to its ability to maintain mechanical integrity while also supporting myogenesis. Five commonly used natural polymeric materials (Collagen I, Agarose, Alginate, Fibrin, and Collagen Chitosan) used in skeletal muscle tissue engineering grafts were evaluated for their mechanical properties and myogenic capacity. Rheological properties, water absorption rates, degradation stability, tensile characteristics, and the ability to support in vitro myogenesis were compared in all five materials. Collagen, Collagen Chitosan, and Fibrin demonstrated high elasticity and 100% stretch without failure, Agarose was the most brittle (20% max stretch), and Alginate demonstrated poor handleabilty. While Collagen was supportive of myogenesis, overall, Fibrin demonstrated the highest myogenic potential as indicated by the earliest and highest increases in myogenin and myosin heavy chain mRNA in satellite cells along with the most extensive myotube development as evaluated with immunohistochemistry. The findings herein support the notion that under the conditions used in this study, Fibrin is the most suitable scaffold for the development of scaffolds for skeletal muscle tissue engineering. Future studies are required to determine whether the differences in mechanical properties and myogenic potential observed in vitro in the current study translate to better skeletal muscle development in a VML injury model. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 672-679, 2018.
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Affiliation(s)
- Beth E Pollot
- Department of Biomedical Engineering, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas, 78249.,Extremity Trauma & Regenerative Medicine Task Area, United States Army Institute of Surgical Research, Fort Sam Houston, Texas, 78234
| | - Christopher R Rathbone
- Extremity Trauma & Regenerative Medicine Task Area, United States Army Institute of Surgical Research, Fort Sam Houston, Texas, 78234
| | - Joseph C Wenke
- Extremity Trauma & Regenerative Medicine Task Area, United States Army Institute of Surgical Research, Fort Sam Houston, Texas, 78234
| | - Teja Guda
- Department of Biomedical Engineering, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas, 78249
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13
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Jana S, Lan Levengood SK, Zhang M. Anisotropic Materials for Skeletal-Muscle-Tissue Engineering. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:10588-10612. [PMID: 27865007 PMCID: PMC5253134 DOI: 10.1002/adma.201600240] [Citation(s) in RCA: 159] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 06/27/2016] [Indexed: 05/19/2023]
Abstract
Repair of damaged skeletal-muscle tissue is limited by the regenerative capacity of the native tissue. Current clinical approaches are not optimal for the treatment of large volumetric skeletal-muscle loss. As an alternative, tissue engineering represents a promising approach for the functional restoration of damaged muscle tissue. A typical tissue-engineering process involves the design and fabrication of a scaffold that closely mimics the native skeletal-muscle extracellular matrix (ECM), allowing organization of cells into a physiologically relevant 3D architecture. In particular, anisotropic materials that mimic the morphology of the native skeletal-muscle ECM, can be fabricated using various biocompatible materials to guide cell alignment, elongation, proliferation, and differentiation into myotubes. Here, an overview of fundamental concepts associated with muscle-tissue engineering and the current status of muscle-tissue-engineering approaches is provided. Recent advances in the development of anisotropic scaffolds with micro- or nanoscale features are reviewed, and how scaffold topographical, mechanical, and biochemical cues correlate to observed cellular function and phenotype development is examined. Finally, some recent developments in both the design and utility of anisotropic materials in skeletal-muscle-tissue engineering are highlighted, along with their potential impact on future research and clinical applications.
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Affiliation(s)
- Soumen Jana
- Department of Materials Science & Engineering, University of Washington, Seattle, Washington 98195, USA
| | - Sheeny K. Lan Levengood
- Department of Materials Science & Engineering, University of Washington, Seattle, Washington 98195, USA
| | - Miqin Zhang
- Department of Materials Science & Engineering, University of Washington, Seattle, Washington 98195, USA
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Role of integrin α7β1 signaling in myoblast differentiation on aligned polydioxanone scaffolds. Acta Biomater 2016; 39:44-54. [PMID: 27142254 DOI: 10.1016/j.actbio.2016.04.046] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/25/2016] [Accepted: 04/29/2016] [Indexed: 12/30/2022]
Abstract
UNLABELLED The aligned structural environment in skeletal muscle is believed to be a crucial component in functional muscle regeneration. Myotube formation is increased on aligned biomaterials, but we do not fully understand the mechanisms that direct this enhanced fusion. Previous studies indicate that the α7 integrin subunit is upregulated during myoblast differentiation, suggesting that signaling via α7β1 mediates the effect of alignment. To test this hypothesis, we took advantage of an in vitro model using random and aligned polydioxanone (PDO) matrices and C2C12 myoblasts. We measured expression and production of myoblast markers: paired box-7 (Pax7), myogenic differentiation factor-1 (MyoD), myogenin (MyoG), myogenic factor-6 (Myf6), and myosin heavy chain (MyHC). To examine the role of α7β1 signaling, we measured expression and production of α7, α5, and β1 and myoblast markers in wild type cells and in cells silenced for α7 and assessed effects of silencing on myogenic differentiation. Downstream signaling via ERK1/2 mitogen activated protein kinase (MAPK) was examined using a specific MEK1/2 inhibitor. Alignment increased mRNAs and protein for early (MyoD) and late (MyoG, MyHC) myoblast markers in comparison to non-aligned matrices, and these levels corresponded with increased α7 protein. α7-silencing reduced MyoG and MyHC protein in cells cultured on tissue culture polystyrene and aligned PDO matrices compared to wild type cells. Inhibition of ERK1/2 blocked effects of alignment. These data suggest that alignment regulates myogenic differentiation via α7β1 integrin signaling and ERK1/2 mediated gene expression. STATEMENT OF SIGNIFICANCE Muscle regeneration in severe muscle injuries is complex, requiring a sequence of events to promote healing and not fibrosis. Aligned biomaterials that recapitulate muscle environments hold potential to facilitate regeneration, but it is important to understand cell-substrate signaling to form functional muscle. A critical component of muscle signaling is integrin α7β1, where mice lacking α7 exhibit a dystrophic phenotype and impaired regeneration. Here, we report the role of α7β1 signaling in myoblast differentiation on aligned biomaterials. α7-silenced myoblasts were found to regulate myogenic differentiation and demonstrate defective fusion. Our data shows reduced levels of myogenin and myosin heavy chain protein, while MyoD remains unchanged. These results support the hypothesis that α7β1 signaling plays a role in substrate-dependent tissue engineering strategies.
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Volkova IM, Korovina DG. Three-dimensional matrixes of natural and synthetic origin for cell biotechnology. APPL BIOCHEM MICRO+ 2015. [DOI: 10.1134/s0003683815090082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Dai Z, Li Y, Lu W, Jiang D, Li H, Yan Y, Lv G, Yang A. In vivo biocompatibility of new nano-calcium-deficient hydroxyapatite/poly-amino acid complex biomaterials. Int J Nanomedicine 2015; 10:6303-16. [PMID: 26504382 PMCID: PMC4605249 DOI: 10.2147/ijn.s90273] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective To evaluate the compatibility of novel nano-calcium-deficient hydroxyapatite/poly-amino acid (n-CDHA/PAA) complex biomaterials with muscle and bone tissue in an in vivo model. Methods Thirty-two New Zealand white rabbits were used in this study. Biomaterials were surgically implanted into each rabbit in the back erector spinae and in tibia with induced defect. Polyethylene was implanted into rabbits in the control group and n-CDHA/PAA into those of the experimental group. Animals were examined at four different points in time: 2 weeks, 4 weeks, 12 weeks, and 24 weeks after surgery. They were euthanized after embolization. Back erector spinae muscles with the surgical implants were examined after hematoxylin and eosin (HE) staining at these points in time. Tibia bones with the surgical implants were examined by X-ray and scanning electron microscopy (SEM) at these points in time to evaluate the interface of the bone with the implanted biomaterials. Bone tissues were sectioned and subjected to HE, Masson, and toluidine blue staining. Results HE staining of back erector spinae muscles at 4 weeks, 12 weeks, and 24 weeks after implantation of either n-CDHA/PAA or polyethylene showed disappearance of inflammation and normal arrangement in the peripheral tissue of implant biomaterials; no abnormal staining was observed. At 2 weeks after implantation, X-ray imaging of bone tissue samples in both experimental and control groups showed that the peripheral tissues of the implanted biomaterials were continuous and lacked bone osteolysis, absorption, necrosis, or osteomyelitis. The connection between implanted biomaterials and bone tissue was tight. The results of HE, Masson, toluidine blue staining and SEM confirmed that the implanted biomaterials were closely connected to the bone defect and that no rejection had taken place. The n-CDHA/PAA biomaterials induced differentiation of a large number of chondrocytes. New bone trabecula began to form at 4 weeks after implanting n-CDHA/PAA biomaterials, and lamellar bone gradually formed at 12 weeks and 24 weeks after implantation. Routine blood and kidney function tests showed no significant changes at 2 weeks and 24 weeks after implantation of both biomaterials. Conclusion n-CDHA/PAA composites showed good compatibility in in vivo model. In this study, n-CDHA/PAA were found to be safe, nontoxic, and biologically active in bone repair.
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Affiliation(s)
- Zhenyu Dai
- College of Physical Science and Technology, Sichuan University, Chengdu, People's Republic of China ; Department of Orthopedics, Chongqing Hospital of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, People's Republic of China
| | - Yue Li
- Department of Clinical Laboratory, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Weizhong Lu
- Department of Orthopedics, Chongqing Hospital of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, People's Republic of China
| | - Dianming Jiang
- Department of Orthopedics, the First Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Hong Li
- College of Physical Science and Technology, Sichuan University, Chengdu, People's Republic of China
| | - Yonggang Yan
- College of Physical Science and Technology, Sichuan University, Chengdu, People's Republic of China
| | - Guoyu Lv
- College of Physical Science and Technology, Sichuan University, Chengdu, People's Republic of China
| | - Aiping Yang
- College of Physical Science and Technology, Sichuan University, Chengdu, People's Republic of China
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Grasman JM, Zayas MJ, Page RL, Pins GD. Biomimetic scaffolds for regeneration of volumetric muscle loss in skeletal muscle injuries. Acta Biomater 2015. [PMID: 26219862 DOI: 10.1016/j.actbio.2015.07.038] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Skeletal muscle injuries typically result from traumatic incidents such as combat injuries where soft-tissue extremity injuries are present in one of four cases. Further, about 4.5 million reconstructive surgical procedures are performed annually as a result of car accidents, cancer ablation, or cosmetic procedures. These combat- and trauma-induced skeletal muscle injuries are characterized by volumetric muscle loss (VML), which significantly reduces the functionality of the injured muscle. While skeletal muscle has an innate repair mechanism, it is unable to compensate for VML injuries because large amounts of tissue including connective tissue and basement membrane are removed or destroyed. This results in a significant need to develop off-the-shelf biomimetic scaffolds to direct skeletal muscle regeneration. Here, the structure and organization of native skeletal muscle tissue is described in order to reveal clear design parameters that are necessary for scaffolds to mimic in order to successfully regenerate muscular tissue. We review the literature with respect to the materials and methodologies used to develop scaffolds for skeletal muscle tissue regeneration as well as the limitations of these materials. We further discuss the variety of cell sources and different injury models to provide some context for the multiple approaches used to evaluate these scaffold materials. Recent findings are highlighted to address the state of the field and directions are outlined for future strategies, both in scaffold design and in the use of different injury models to evaluate these materials, for regenerating functional skeletal muscle. STATEMENT OF SIGNIFICANCE Volumetric muscle loss (VML) injuries result from traumatic incidents such as those presented from combat missions, where soft-tissue extremity injuries are represented in one of four cases. These injuries remove or destroy large amounts of skeletal muscle including the basement membrane and connective tissue, removing the structural, mechanical, and biochemical cues that usually direct its repair. This results in a significant need to develop off-the-shelf biomimetic scaffolds to direct skeletal muscle regeneration. In this review, we examine current strategies for the development of scaffold materials designed for skeletal muscle regeneration, highlighting advances and limitations associated with these methodologies. Finally, we identify future approaches to enhance skeletal muscle regeneration.
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18
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Kastellorizios M, Tipnis N, Papadimitrakopoulos F, Burgess DJ. Drug Distribution in Microspheres Enhances Their Anti-Inflammatory Properties in the Gottingen Minipig. Mol Pharm 2015; 12:3332-8. [PMID: 26237140 DOI: 10.1021/acs.molpharmaceut.5b00326] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The foreign body reaction (FBR), one of the body's defense mechanisms against foreign materials, results in loss of implant biocompatibility. A popular strategy to prevent FBR is the constant release of dexamethasone in the tissue surrounding the implant. However, FBR prevention has not been sufficiently studied in large animal models, which offer a better representation of the human subcutaneous tissue physiology. Accordingly, a long-term strategy to prevent FBR to subcutaneous implants in a large animal model is necessary to translate the existing research for clinical applications. Here, a poly(lactic-co-glycolic) (PLGA) microsphere/poly(vinyl alcohol) (PVA) hydrogel composite coating for one-month prevention of FBR in Gottingen minipigs was developed. A modified PLGA microsphere formulation process is presented, that utilizes coprecipitation of dexamethasone and PLGA. Traditional methods result in heterogeneous distribution of large drug crystals in the microsphere matrix, which in turn results in low drug loading since the drug crystal size is close to that of the microspheres. The modified microsphere preparation method showed homogeneous distribution of dexamethasone, which in turn gave rise to increased drug loading, low burst release, and minimal lag phase. Elimination of the lag phase was dictated from previous work that compared FBR between rats and minipigs. The ability of the coatings to improve implant biocompatibility was successfully tested in vivo via histological examination of explanted tissue from the area surrounding the implants. The biocompatible coatings presented here are suitable for miniaturized implantable devices, such as biosensors, that require constant communication with the local microenvironment.
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Affiliation(s)
- Michail Kastellorizios
- Department of Pharmaceutical Sciences and ‡Department of Chemistry and Institute of Materials Science, University of Connecticut , Storrs, Connecticut 06269, United States
| | - Namita Tipnis
- Department of Pharmaceutical Sciences and ‡Department of Chemistry and Institute of Materials Science, University of Connecticut , Storrs, Connecticut 06269, United States
| | - Fotios Papadimitrakopoulos
- Department of Pharmaceutical Sciences and ‡Department of Chemistry and Institute of Materials Science, University of Connecticut , Storrs, Connecticut 06269, United States
| | - Diane J Burgess
- Department of Pharmaceutical Sciences and ‡Department of Chemistry and Institute of Materials Science, University of Connecticut , Storrs, Connecticut 06269, United States
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19
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Christ GJ, Siriwardane ML, de Coppi P. Engineering muscle tissue for the fetus: getting ready for a strong life. Front Pharmacol 2015; 6:53. [PMID: 25914643 PMCID: PMC4392316 DOI: 10.3389/fphar.2015.00053] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 03/03/2015] [Indexed: 11/17/2022] Open
Abstract
Congenital malformations frequently involve either skeletal, smooth or cardiac tissues. When large parts of those tissues are damaged, the repair of the malformations is challenged by the fact that so much autologous tissue is missing. Current treatments require the use of prostheses or other therapies and are associated with a significant morbidity and mortality. Nonetheless, affected children have generally good survival rates and mostly normal schooling. As such, new therapeutic modalities need to represent significant improvements with clear safety profiles. Regenerative medicine and tissue engineering technologies have the potential to dramatically improve the treatment of any disease or disorder involving a lack of viable tissue. With respect to congenital soft tissue anomalies, the development of, for example, implantable muscle constructs would provide not only the usual desired elasticity and contractile proprieties, but should also be able to grow with the fetus and/or in the postnatal life. Such an approach would eliminate the need for multiple surgeries. However, the more widespread clinical applications of regenerative medicine and tissue engineering technologies require identification of the optimal indications, as well as further elucidation of the precise mechanisms and best methods (cells, scaffolds/biomaterials) for achieving large functional tissue regeneration in those clinical indications. In short, despite some amazing scientific progress, significant safety and efficacy hurdles remain. However, the rapid preclinical advances in the field bode well for future applications. As such, translational researchers and clinicians alike need be informed and prepared to utilize these new techniques for the benefit of their patients, as soon as they are available. To this end, we review herein, the clinical need(s), potential applications, and the relevant preclinical studies that are currently guiding the field toward novel therapeutics.
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Affiliation(s)
- George J Christ
- Wake Forest Institute for Regenerative Medicine Winston-Salem, NC, USA ; Laboratory of Regenerative Therapeutics, Deptartment of Biomedical Engineering and Orthopaedic Surgery, University of Virginia Charlottesville, VA, USA
| | | | - Paolo de Coppi
- Developmental Biology and Cancer Programme, UCL Institute of Child Health, Great Ormond Street Hospital London, UK
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Qazi TH, Mooney DJ, Pumberger M, Geissler S, Duda GN. Biomaterials based strategies for skeletal muscle tissue engineering: existing technologies and future trends. Biomaterials 2015; 53:502-21. [PMID: 25890747 DOI: 10.1016/j.biomaterials.2015.02.110] [Citation(s) in RCA: 250] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 02/18/2015] [Accepted: 02/24/2015] [Indexed: 12/20/2022]
Abstract
Skeletal muscles have a robust capacity to regenerate, but under compromised conditions, such as severe trauma, the loss of muscle functionality is inevitable. Research carried out in the field of skeletal muscle tissue engineering has elucidated multiple intrinsic mechanisms of skeletal muscle repair, and has thus sought to identify various types of cells and bioactive factors which play an important role during regeneration. In order to maximize the potential therapeutic effects of cells and growth factors, several biomaterial based strategies have been developed and successfully implemented in animal muscle injury models. A suitable biomaterial can be utilized as a template to guide tissue reorganization, as a matrix that provides optimum micro-environmental conditions to cells, as a delivery vehicle to carry bioactive factors which can be released in a controlled manner, and as local niches to orchestrate in situ tissue regeneration. A myriad of biomaterials, varying in geometrical structure, physical form, chemical properties, and biofunctionality have been investigated for skeletal muscle tissue engineering applications. In the current review, we present a detailed summary of studies where the use of biomaterials favorably influenced muscle repair. Biomaterials in the form of porous three-dimensional scaffolds, hydrogels, fibrous meshes, and patterned substrates with defined topographies, have each displayed unique benefits, and are discussed herein. Additionally, several biomaterial based approaches aimed specifically at stimulating vascularization, innervation, and inducing contractility in regenerating muscle tissues are also discussed. Finally, we outline promising future trends in the field of muscle regeneration involving a deeper understanding of the endogenous healing cascades and utilization of this knowledge for the development of multifunctional, hybrid, biomaterials which support and enable muscle regeneration under compromised conditions.
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Affiliation(s)
- Taimoor H Qazi
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Germany; Berlin-Brandenburg School for Regenerative Therapies, Berlin, Germany.
| | - David J Mooney
- School of Engineering and Applied Sciences, Harvard University, Cambridge, USA.
| | - Matthias Pumberger
- Berlin-Brandenburg School for Regenerative Therapies, Berlin, Germany; Center for Musculoskeletal Surgery, Charitè - Universitätsmedizin Berlin, Germany.
| | - Sven Geissler
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Germany; Berlin-Brandenburg School for Regenerative Therapies, Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany.
| | - Georg N Duda
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Germany; Berlin-Brandenburg School for Regenerative Therapies, Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany.
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21
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Li X, Xue W, Liu Y, Fan D, Zhu C, Ma X. Novel multifunctional PB and PBH hydrogels as soft filler for tissue engineering. J Mater Chem B 2015; 3:4742-4755. [DOI: 10.1039/c5tb00408j] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multifunctionalized PB and PBH hydrogels scaffolds and injectable particles with good biocompatibility and anti-biodegradation are based on pullulan and human-like collagen for skin restoration, cartilage treatment, and lacrimal drynesstherapy.
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Affiliation(s)
- Xian Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials
- Department of Chemical Engineering
- Northwest University
- Xi'an
- China
| | - Wenjiao Xue
- Shannxi Provincial Institute of Microbiology
- Xi'an 710043
- China
| | - Yannan Liu
- Shaanxi Key Laboratory of Degradable Biomedical Materials
- Department of Chemical Engineering
- Northwest University
- Xi'an
- China
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials
- Department of Chemical Engineering
- Northwest University
- Xi'an
- China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials
- Department of Chemical Engineering
- Northwest University
- Xi'an
- China
| | - Xiaoxuan Ma
- Shaanxi Key Laboratory of Degradable Biomedical Materials
- Department of Chemical Engineering
- Northwest University
- Xi'an
- China
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22
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Stojkovska J, Kostić D, Jovanović Ž, Vukašinović-Sekulić M, Mišković-Stanković V, Obradović B. A comprehensive approach to in vitro functional evaluation of Ag/alginate nanocomposite hydrogels. Carbohydr Polym 2014; 111:305-14. [DOI: 10.1016/j.carbpol.2014.04.063] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 04/16/2014] [Accepted: 04/18/2014] [Indexed: 11/30/2022]
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Engineering Angiogenesis for Myocardial Infarction Repair: Recent Developments, Challenges, and Future Directions. Cardiovasc Eng Technol 2014. [DOI: 10.1007/s13239-014-0193-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Stern-Straeter J, Hörmann K. [New perspectives in skeletal muscle tissue engineering]. HNO 2014; 62:415-22. [PMID: 24916349 DOI: 10.1007/s00106-014-2863-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Due to the enormous expansion of knowledge in the fields of stem cell research and biomaterials, skeletal muscle tissue engineering represents a rapidly developing field of biomedical research. This article provides a general overview of skeletal muscle tissue engineering, including a discussion of recent findings and future research perspectives. Additionally, the results of myogenic differentiation of human mesenchymal stem cells and satellite cells are presented.
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Affiliation(s)
- J Stern-Straeter
- Universitäts-Hals-Nasen-Ohren-Klinik Mannheim, Medizinische Fakultät Mannheim der Universität Heidelberg, Theodor-Kutzer-Ufer-1-3, 68167, Mannheim, Deutschland,
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25
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Finosh GT, Jayabalan M. Regenerative therapy and tissue engineering for the treatment of end-stage cardiac failure: new developments and challenges. BIOMATTER 2014; 2:1-14. [PMID: 23507781 DOI: 10.4161/biom.19429] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Regeneration of myocardium through regenerative therapy and tissue engineering is appearing as a prospective treatment modality for patients with end-stage heart failure. Focusing on this area, this review highlights the new developments and challenges in the regeneration of myocardial tissue. The role of various cell sources, calcium ion and cytokine on the functional performance of regenerative therapy is discussed. The evolution of tissue engineering and the role of tissue matrix/scaffold, cell adhesion and vascularisation on tissue engineering of cardiac tissue implant are also discussed.
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Affiliation(s)
- G T Finosh
- Polymer Science Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Kerala, India
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Abstract
Tissue engineering aims to create, repair and/or replace tissues and organs by using cells, scaffolds, biologically active molecules and physiologic signals. It is an interdisciplinary field that integrates aspects of engineering, chemistry, biology and medicine. One of the most challenging goals in the field of cardiovascular tissue engineering is the creation of a heart muscle patch. This review describes the principles, achievements and challenges of achieving this ambitious goal of creating contractile heart muscle. In addition, the new strategy of in situ and injectable tissue engineering for myocardial repair and regeneration is presented.
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Affiliation(s)
- Jonathan Leor
- Sheba-Medical Center, Neufeld Cardiac Research Institute, Tel-Aviv University, Tel-Hashomer 52621, Israel.
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27
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Pu F, Rhodes NP, Bayon Y, Hunt JA. In vitrocellular response to oxidized collagen-PLLA hybrid scaffolds designed for the repair of muscular tissue defects and complex incisional hernias. J Tissue Eng Regen Med 2013; 10:E454-E466. [DOI: 10.1002/term.1837] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Revised: 03/27/2013] [Accepted: 09/02/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Fanrong Pu
- UK Centre for Tissue Engineering, Clinical Engineering, Institute of Ageing and Chronic Disease; University of Liverpool; UK
| | - Nicholas P. Rhodes
- UK Centre for Tissue Engineering, Clinical Engineering, Institute of Ageing and Chronic Disease; University of Liverpool; UK
| | - Yves Bayon
- Covidien-Sofradim Production; Trevoux France
| | - John A. Hunt
- UK Centre for Tissue Engineering, Clinical Engineering, Institute of Ageing and Chronic Disease; University of Liverpool; UK
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28
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Wagenführ-Júnior J, Ribas Filho JM, Nascimento MMD, Ribas FM, Wanka MV, Godoi ADL. Histopathological reaction over prosthesis surface covered with silicone and polyurethane foam implanted in rats. Acta Cir Bras 2013. [PMID: 23207753 DOI: 10.1590/s0102-86502012001200007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
PURPOSES To evaluate whether polyurethane foam leads more intense foreign-body reaction than silicone foam. To compare the vascularization of the capsules surrounding the foam implants. To investigate if the capsule of polyurethane foam implanted has greater amount of collagen than that of silicone foam. METHODS Sixty-four young male Wistar rats were allocated into two groups: polyurethane foam and silicone foam. Subcutaneous discs were implanted into the dorsum of the animals in both groups. The capsules were assessed 28 days, two months, three months and six months postoperatively. Microscopic analysis with H&E stain was performed to evaluate the acute and chronic inflammatory process, foreign-body reaction and neovascularization. The analysis with picrosirius red was performed using the ImageProPlus software, to measure the number of vessels and collagen types I and III. RESULTS There were no statistical differences between the two groups regarding the acute and chronic inflammatory processes. All rats from the polyurethane group, in all times, exhibited moderate or intense foreign-body reaction, with statistic significant difference (p=0.046) when compared with the silicone group, in which the reaction was either mild or nonexistent at two months. Vascular proliferation was significantly different between the groups at 28 days (p=0.0002), with the polyurethane group displaying greater neovascularization with H&E stain. Similar results were obtained with picrosirius red, which revealed in the polyurethane group a much greater number of vessels than in the silicone group (p=0.001). The collagen area was larger in the polyurethane group, significantly at 28 days (p=0.001) and at two months (p=0.030). CONCLUSIONS Polyurethane foam elicited more intense foreign-body reaction when compared with silicone foam. The number of vessels was higher in the capsules of the polyurethane foam implants 28 days after the operation. The capsule of the polyurethane foam implants showed a greater amount of collagen than that of the silicone foam implants.
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29
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Shah R, Knowles JC, Hunt NP, Lewis MP. Development of a novel smart scaffold for human skeletal muscle regeneration. J Tissue Eng Regen Med 2013; 10:162-71. [DOI: 10.1002/term.1780] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Revised: 04/03/2013] [Accepted: 04/22/2013] [Indexed: 11/11/2022]
Affiliation(s)
- Rishma Shah
- Orthodontic Unit and Division of Biomaterials and Tissue Engineering; UCL Eastman Dental Institute; London UK
| | - Jonathan C. Knowles
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, UK and WCU Research Centre of Nanobiomedical Science; Dankook University; Chungnam South Korea
| | - Nigel P. Hunt
- Orthodontic Unit; UCL Eastman Dental Institute; London UK
| | - Mark P. Lewis
- Molecular and Cellular Physiology, Musculoskeletal Biology Research Group, School of Sport, Exercise and Health Sciences; Loughborough University, Loughborough and Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute; London UK
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30
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Cena RB, Park JG, Kim HJ, Son KY, Kim DS, Kang MI, Park SI, Moon DG, Yang DY, Yu DS, Lee JI, Cho KO. Effects of crosslinked dextran in hydroxylpropyl methylcellulose on soft tissue augmentation in rats. J Biomed Mater Res B Appl Biomater 2013; 102:131-40. [DOI: 10.1002/jbm.b.32989] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 03/18/2013] [Accepted: 05/26/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Rohani B. Cena
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Jun-Gyu Park
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Hyun-Jeong Kim
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Kyu-Yeol Son
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Deok-Song Kim
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Mun-Il Kang
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Sang-Ik Park
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Du Geon Moon
- Department of Urology; Korea University Guro Hospital; Seoul 152-703 Republic of Korea
| | - Dae Yul Yang
- Department of Urology; Kangdong Sacred Heart Hospital, Hallym University; Seoul 134-701 Republic of Korea
| | - Dong Soo Yu
- Department of Dermatology; College of Medicine, Catholic University of Korea; Uijongbu 480-717 Republic of Korea
| | - Jae Il Lee
- Laboratory of Veterinary Public Health, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
| | - Kyoung-Oh Cho
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University; Gwangju 500-757 Republic of Korea
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Mittlmeier T, Stratos I. Muscle and Ligament Regeneration. Regen Med 2013. [DOI: 10.1007/978-94-007-5690-8_42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Shah R, Ready D, Knowles JC, Hunt NP, Lewis MP. Sequential identification of a degradable phosphate glass scaffold for skeletal muscle regeneration. J Tissue Eng Regen Med 2012; 8:801-10. [PMID: 23086759 DOI: 10.1002/term.1581] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 05/28/2012] [Accepted: 06/26/2012] [Indexed: 11/08/2022]
Abstract
Tissue engineering has the potential to overcome limitations associated with current management of skeletal muscle defects. This study aimed to sequentially identify a degradable phosphate glass scaffold for the restoration of muscle defects. A series of glass compositions were investigated for the potential to promote bacterial growth. Thereafter, the response of human craniofacial muscle-derived cells was determined. Glass compositions containing Fe4- and 5 mol% did not promote greater Staphylococcus aureus and Staphylococcus epidermidis growth compared to the control (p > 0.05). Following confirmation of myogenicity, further studies assessed the biocompatibility of glasses containing Fe5 mol%. Cells seeded on collagen-coated disks demonstrated comparable cellular metabolic activity to control. Upregulation of genes encoding for myogenic regulatory factors (MRFs) confirmed myofibre formation and there was expression of developmental MYH genes. The use of 3-D aligned fibre scaffolds supported unidirectional cell alignment and upregulation of MRF and developmental MYH genes. Compared to the 2-D disks, there was also expression of MYH2 and MYH7 genes, indicating further myofibre maturation on the 3-D scaffolds and confirming the importance of key biophysical cues.
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Affiliation(s)
- Rishma Shah
- Orthodontic Unit, UCL Eastman Dental Institute, UK; Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, UK
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Intraocular pressure changes: an important determinant of the biocompatibility of intravitreous implants. PLoS One 2011; 6:e28720. [PMID: 22194895 PMCID: PMC3237488 DOI: 10.1371/journal.pone.0028720] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Accepted: 11/14/2011] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND In recent years, research efforts exploring the possibility of using biomaterial nanoparticles for intravitreous drug delivery has increased significantly. However, little is known about the effect of material properties on intravitreous tissue responses. PRINCIPAL FINDINGS To find the answer, nanoparticles made of hyaluronic acid (HA), poly (l-lactic acid) (PLLA), polystyrene (PS), and Poly N-isopropyl acrylamide (PNIPAM) were tested using intravitreous rabbit implantation model. Shortly after implantation, we found that most of the implants accumulated in the trabecular meshwork area followed by clearance from the vitreous. Interestingly, substantial reduction of intraocular pressure (IOP) was observed in eyes implanted with particles made of PS, PNIPAM and PLLA, but not HA nanoparticles and buffered salt solution control. On the other hand, based on histology, we found that the particle implantation had no influence on cornea, iris and even retina. Surprisingly, substantial CD11b+ inflammatory cells were found to accumulate in the trabecular meshwork area in some animals. In addition, there was a good relationship between recruited CD11b+ cells and IOP reduction. CONCLUSIONS Overall, the results reveal the potential influence of nanoparticle material properties on IOP reduction and inflammatory responses in trabecular meshwork. Such interactions may be critical for the development of future ocular nanodevices with improved safety and perhaps efficacy.
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Lin K, Yuan W, Wang L, Lu J, Chen L, Wang Z, Chang J. Evaluation of host inflammatory responses of β-tricalcium phosphate bioceramics caused by calcium pyrophosphate impurity using a subcutaneous model. J Biomed Mater Res B Appl Biomater 2011; 99:350-8. [DOI: 10.1002/jbm.b.31906] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2010] [Revised: 03/29/2011] [Accepted: 05/25/2011] [Indexed: 11/07/2022]
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Page RL, Malcuit C, Vilner L, Vojtic I, Shaw S, Hedblom E, Hu J, Pins GD, Rolle MW, Dominko T. Restoration of skeletal muscle defects with adult human cells delivered on fibrin microthreads. Tissue Eng Part A 2011; 17:2629-40. [PMID: 21699414 DOI: 10.1089/ten.tea.2011.0024] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Large-scale musculoskeletal wounds, such as those seen in trauma injuries, present poor functional healing prognoses. In severe trauma, when the native tissue architecture is destroyed or lost, the regenerative capacity of skeletal muscle is diminished by scar formation. Here we demonstrate that a scaffold system composed of fibrin microthreads can provide an efficient delivery system for cell-based therapies and improve regeneration of a large defect in the tibialis anterior of the mouse. Cell-loaded fibrin microthread bundles implanted into a skeletal muscle resection reduced the overall fibroplasia-associated deposition of collagen in the wound bed and promoted in-growth of new muscle tissue. When fibrin microthreads were seeded with adult human cells, implanted cells contributed to the nascent host tissue architecture by forming skeletal muscle fibers, connective tissue, and PAX7-positive cells. Stable engraftment was observed at 10 weeks postimplant and was accompanied by reduced levels of collagen deposition. Taken together, these data support the design and development of a platform for microthread-based delivery of autologous cells that, when coupled to an in vitro cellular reprogramming process, has the potential to improve healing outcomes in large skeletal muscle wounds.
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Affiliation(s)
- Raymond L Page
- Department of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts 01609, USA.
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Muscle and Ligament Regeneration. Regen Med 2011. [DOI: 10.1007/978-90-481-9075-1_38] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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38
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Shah R, Lewis MP. The Future? Craniofacial Skeletal Muscle Engineering as an Aid for the Management of Craniofacial Deformities. Semin Orthod 2010. [DOI: 10.1053/j.sodo.2010.02.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Ayele T, Zuki ABZ, Noorjahan BMA, Noordin MM. Tissue engineering approach to repair abdominal wall defects using cell-seeded bovine tunica vaginalis in a rabbit model. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2010; 21:1721-1730. [PMID: 20135201 DOI: 10.1007/s10856-010-4007-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Accepted: 01/22/2010] [Indexed: 05/28/2023]
Abstract
The aim of this study was to engineer skeletal muscle tissue for repair abdominal wall defects. Myoblast were seeded onto the scaffolds and cultivated in vitro for 5 days. Full thickness abdominal wall defects (3 x 4 cm) were created in 18 male New Zealand white rabbits and randomly divided into two equal groups. The defects of the first group were repaired with myoblast-seeded-bovine tunica vaginalis whereas the second group repaired with non-seeded-bovine tunica vaginalis and function as a control. Three animals were sacrificed at 7th, 14th, and 30th days of post-implantation from each group and the explanted specimens were subjected to macroscopic and microscopic analysis. In every case, seeded scaffolds have better deposition of newly formed collagen with neo-vascularisation than control group. Interestingly, multinucleated myotubes and myofibers were only detected in cell-seeded group. This study demonstrated that myoblast-seeded-bovine tunica vaginalis can be used as an effective scaffold to repair severe and large abdominal wall defects with regeneration of skeletal muscle tissue.
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Affiliation(s)
- T Ayele
- Faculty of Veterinary Medicine, University Putra Malaysia, 43400, Serdang, Selangor, Darul Ehsan, Malaysia.
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40
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Current opportunities and challenges in skeletal muscle tissue engineering. J Tissue Eng Regen Med 2009; 3:407-15. [DOI: 10.1002/term.190] [Citation(s) in RCA: 122] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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41
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Yang Q, Peng J, Guo Q, Huang J, Zhang L, Yao J, Yang F, Wang S, Xu W, Wang A, Lu S. A cartilage ECM-derived 3-D porous acellular matrix scaffold for in vivo cartilage tissue engineering with PKH26-labeled chondrogenic bone marrow-derived mesenchymal stem cells. Biomaterials 2008; 29:2378-87. [PMID: 18313139 DOI: 10.1016/j.biomaterials.2008.01.037] [Citation(s) in RCA: 258] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2007] [Accepted: 01/31/2008] [Indexed: 01/14/2023]
Abstract
We developed a natural, acellular, 3-D interconnected porous scaffold derived from cartilage extracellular matrix (ECM). Human cartilage was physically shattered, then decellularized sequentially with use of hypotonic buffer, TritonX-100, and a nuclease solution and made into a suspension. The scaffold was fabricated by simple freeze-drying and cross-linking techniques. On histology, scaffolds showed most of the ECM components after removal of the cell fragments, and scanning electron microscopy revealed a 3-D interconnected porous structure. Cellular viability assay revealed no cytotoxic effects. In vitro study showed that the novel scaffold could provide a suitable 3-D environment to support the adheration, proliferation and differentiation of bone marrow-derived mesenchymal stem cells (BMSCs) to chondrocytes in culture with chondrogenic medium after 21 days. Chondrogenically induced BMSCs labeled with fluorescent dye PKH26 were then grown on scaffolds and implanted subcutaneously into nude mice. Four weeks later, cartilage-like tissue formed, with positive staining for Safranin O, tuoluidine blue and collagen II. Cells in the samples seemed to confirm that they originated from the labeled BMSCs, as confirmed by in vivo fluorescent imaging and immunofluorescence examination. In conclusion, the cartilage ECM-derived porous scaffold shows potential as biomaterial for cartilage tissue engineering, and PKH26 fluorescent labeling and in vivo fluorescent imaging can be useful for cell tracking and analyzing cell-scaffold constructs in vivo.
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Affiliation(s)
- Qiang Yang
- Key Laboratory of People Liberation Army, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
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42
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Baldwin L, Hunt J. The in vivo cytokine release profile following implantation. Cytokine 2008; 41:217-22. [DOI: 10.1016/j.cyto.2007.11.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2006] [Revised: 06/21/2007] [Accepted: 11/17/2007] [Indexed: 10/22/2022]
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Dhawan V, Lytle IF, Dow DE, Huang YC, Brown DL. Neurotization improves contractile forces of tissue-engineered skeletal muscle. ACTA ACUST UNITED AC 2008; 13:2813-21. [PMID: 17822360 DOI: 10.1089/ten.2007.0003] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Engineered functional skeletal muscle would be beneficial in reconstructive surgery. Our previous work successfully generated 3-dimensional vascularized skeletal muscle in vivo. Because neural signals direct muscle maturation, we hypothesized that neurotization of these constructs would increase their contractile force. Additionally, should neuromuscular junctions (NMJs) develop, indirect stimulation (via the nerve) would be possible, allowing for directed control. Rat myoblasts were cultured, suspended in fibrin gel, and implanted within silicone chambers around the femoral vessels and transected femoral nerve of syngeneic rats for 4 weeks. Neurotized constructs generated contractile forces 5 times as high as the non-neurotized controls. Indirect stimulation via the nerve elicited contractions of neurotized constructs. Curare administration ceased contraction in these constructs, providing physiologic evidence of NMJ formation. Histology demonstrated intact muscle fibers, and immunostaining positively identified NMJs. These results indicate that neurotization of engineered skeletal muscle significantly increases force generation and causes NMJs to develop, allowing indirect muscle stimulation.
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MESH Headings
- Animals
- Bungarotoxins/metabolism
- Cell Separation
- Cells, Cultured
- Centrifugation
- Collagenases/pharmacology
- Culture Media, Serum-Free
- Curare/pharmacology
- Femoral Artery/surgery
- Femoral Nerve/surgery
- Femoral Vein/surgery
- Fibrin/chemistry
- Filtration
- Fluorescein-5-isothiocyanate/metabolism
- Fluorescent Dyes/metabolism
- Gels/chemistry
- Immunohistochemistry
- Models, Biological
- Muscle Contraction/drug effects
- Muscle, Skeletal/cytology
- Muscle, Skeletal/physiology
- Neuromuscular Junction/metabolism
- Rats
- Rats, Inbred F344
- Satellite Cells, Skeletal Muscle/cytology
- Satellite Cells, Skeletal Muscle/physiology
- Satellite Cells, Skeletal Muscle/transplantation
- Temperature
- Time Factors
- Tissue Culture Techniques
- Tissue Engineering/methods
- Transplantation, Isogeneic
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Affiliation(s)
- Vikas Dhawan
- Section of Plastic and Reconstructive Surgery, University of Michigan, Ann Arbor, Michigan 48109, USA
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44
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Grefte S, Kuijpers-Jagtman AM, Torensma R, Von den Hoff JW. Skeletal Muscle Development and Regeneration. Stem Cells Dev 2007; 16:857-68. [DOI: 10.1089/scd.2007.0058] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Sander Grefte
- Department of Orthodontics and Oral Biology, Radboud University Nijmegen Medical Centre, 6500 HB Nijmegen, The Netherlands
| | - Anne Marie Kuijpers-Jagtman
- Department of Orthodontics and Oral Biology, Radboud University Nijmegen Medical Centre, 6500 HB Nijmegen, The Netherlands
| | - Ruurd Torensma
- Department of Tumor Immunology, Nijmegen Centre for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
| | - Johannes W. Von den Hoff
- Department of Orthodontics and Oral Biology, Radboud University Nijmegen Medical Centre, 6500 HB Nijmegen, The Netherlands
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45
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De Coppi P, Bellini S, Conconi MT, Sabatti M, Simonato E, Gamba PG, Nussdorfer GG, Parnigotto PP. Myoblast-acellular skeletal muscle matrix constructs guarantee a long-term repair of experimental full-thickness abdominal wall defects. ACTA ACUST UNITED AC 2006; 12:1929-36. [PMID: 16889522 DOI: 10.1089/ten.2006.12.1929] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
To obtain a valuable treatment of congenital muscle defect, cell-matrix constructs composed of satellite cell-derived myoblasts (XY karyotype) seeded on muscle acellular matrices were used to repair a previously created full-thickness defect of abdominal wall of 18 1-month-old female Lewis rats. Acellular abdominal matrices, obtained by a detergent-enzymatic method, were positive for both basic fibroblast growth factor and transforming growth factor-beta, and were able to support in vitro cell adhesion. All animals survived the surgery, without signs of infection or implant rejection, and were humanely killed at 1, 3, or 9 months after surgery. The implants appeared well preserved, were integrated in the host tissue, and maintained their original dimension and thickness until 9 months. Vesicular acetylcholine transporter was expressed on the surface of muscle fibers from 1 month postsurgery. Finally, implanted male myoblasts were present inside the patches until 9 months, as demonstrated by the expression of SrY mRNA and by the presence of Y chromosome probe signal. These results allow us to conclude that cell-matrix constructs could represent a promising approach to the repair of muscle defects, because they are repopulated in vivo by skeletal muscle cells and nervous elements and maintain their structural integrity over the long term.
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Affiliation(s)
- Paolo De Coppi
- Department of Pediatrics, Division of Pediatric Surgery, University of Padua, Padua, Italy
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46
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Borschel GH, Dow DE, Dennis RG, Brown DL. Tissue-Engineered Axially Vascularized Contractile Skeletal Muscle. Plast Reconstr Surg 2006; 117:2235-42. [PMID: 16772923 DOI: 10.1097/01.prs.0000224295.54073.49] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND As tissue-engineered muscle constructs increase in scale, their size is limited by the need for a vascular supply. In this work, the authors demonstrate a method of producing three-dimensional contractile skeletal muscles in vivo by incorporating an axial vascular pedicle. METHODS Primary myoblast cultures were generated from adult F344 rat soleus muscle. The cells were suspended in a fibrinogen hydrogel contained within cylindrical silicone chambers, and situated around the femoral vessels in isogeneic adult recipient rats. The constructs were allowed to incubate in vivo for 3 weeks, at which point they were explanted and subjected to isometric force measurements and histologic evaluation. RESULTS The resulting three-dimensional engineered skeletal muscle constructs produced longitudinal contractile force when electrically stimulated. Length-tension, force-voltage, and force-frequency relationships were similar to those found in developing skeletal muscle. Desmin staining demonstrated that individual myoblasts had undergone fusion to form multinucleated myotubes. Von Willebrand staining showed that the local environment within the chamber was richly angiogenic, and capillaries had grown into and throughout the constructs from the femoral artery and vein. CONCLUSIONS Three-dimensional, vascularized skeletal muscle can be engineered in vivo. The resulting tissues have histologic and functional properties consistent with native skeletal muscle.
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Affiliation(s)
- Gregory H Borschel
- Section of Plastic Surgery and Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
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47
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Matziolis G, Winkler T, Schaser K, Wiemann M, Krocker D, Tuischer J, Perka C, Duda GN. Autologous Bone Marrow-Derived Cells Enhance Muscle Strength Following Skeletal Muscle Crush Injury in Rats. ACTA ACUST UNITED AC 2006; 12:361-7. [PMID: 16548694 DOI: 10.1089/ten.2006.12.361] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Insufficient post-traumatic skeletal muscle regeneration with consecutive functional deficiency continues to be a serious problem in orthopedic and trauma surgery. Transplantation of autologous muscle precursor cells has shown encouraging results in muscle trauma treatment but is associated with significant donor site morbidity. In contrast to this, bone marrow-derived (BMD) cells can be obtained without any functional deficit by puncture. The goal of this study was to examine whether regular muscle regeneration can be improved by local application of autologous BMD cells in a rat model of blunt skeletal muscle trauma. One week after standardized open blunt crush injury to the left soleus muscle, 10(6) autologous BMD cells were injected into the traumatized muscle of male Sprague Dawley rats. Rats of the control group received saline solution as treatment. Three weeks after application, the fast twitch and tetanic contraction capacity of the soleus muscles was measured bilaterally by stimulating the sciatic nerves. Contraction forces of injured soleus muscles in control animals recovered to 39 +/- 10% (tetanic) and 59 +/- 12% (fast twitch) of the contralateral noninjured soleus muscles (p < 0.001). In contrast, autologous BMD cell injection significantly restored contractile forces to 53 +/- 8% (tetanic) and 72 +/- 13% (fast twitch) compared to those observed in contralateral noninjured soleus muscles. Thus, muscle function was significantly increased by BMD cell treatment (tetanic, p = 0.014; fast twitch, p = 0.05). In conclusion, autologous BMD cell grafting leads to an increase in contraction force, 14% in tetanic and 13% in fast twitch stimulation, demonstrating its potential to improve functional outcome after skeletal muscle crush injury.
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Affiliation(s)
- Georg Matziolis
- Center for Musculoskeletal Surgery, Department of Trauma & Reconstructive Surgery and Department of Orthopaedics, Charité - University Medicine Berlin, Germany.
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48
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Baldwin L, Hunt JA. Host inflammatory response to NiCr, CoCr, and Ti in a soft tissue implantation model. J Biomed Mater Res A 2006; 79:574-81. [PMID: 16817217 DOI: 10.1002/jbm.a.30856] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The inflammatory response to nickel chromium (NiCr), cobalt chromium (CoCr), and titanium (Ti) implants at 7 and 28 days was investigated using real-time PCR analysis along with histological and immunohistochemical staining. Contrasting inflammatory profiles were found in response to the different metal compositions. The inflammatory profile induced by CoCr remained consistent and elevated during the 28-day period with high cell counts associated with the implants and a progressive recruitment of T lymphocytes. The response to NiCr was also elevated, but with an initially low T-lymphocyte infiltration that increased by the later time period. Ti indicated an early increased inflammatory response that had reduced by 28 days. Changes in gene expression demonstrated that Ti induced very low levels of expression of the three inflammatory cytokine genes. NiCr initiated a significant upregulation in gene expression for IL-6 and TNF-alpha. CoCr resulted in the highest upregulation of IL-2 indicative of T-lymphocyte activation to this material.
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Affiliation(s)
- L Baldwin
- Department of Clinical Engineering, UK Centre for Tissue Engineering, Duncan Building, Daulby Street, University of Liverpool, Liverpool L69 3GA, United Kingdom.
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49
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Hasuda H, Kwon OH, Kang IK, Ito Y. Synthesis of photoreactive pullulan for surface modification. Biomaterials 2005; 26:2401-6. [PMID: 15585243 DOI: 10.1016/j.biomaterials.2004.07.065] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2004] [Accepted: 07/27/2004] [Indexed: 11/25/2022]
Abstract
Photoreactive pullulan was prepared, the polymer was photoimmobilized on polymeric or organic surfaces, and its interactions with a protein and a cell type were investigated. The photoreactive pullulan was synthesized by a coupling reaction with 4-azidobenzonic acid. Surface modification was carried out in the presence or absence of a micropatterned photomask containing 100 microm transparent stripes with 150 microm gaps, making it easy to confirm the immobilization. By the micropatterning method, immobilization of the photoreactive pullulan on polystyrene, polyethylene, and silane-coupled glass was confirmed. Contact angles were measured on the unpatterned surfaces. Although the original surfaces have different contact angles, the contact angle on Az-pullulan-immobilized surface was the same on all surfaces. This result demonstrated that photoimmobilization completely covered the surface with Az-pullulan. Protein adsorption was investigated using fluorescently labeled albumin applied to the micropatterned surface: fluorescence microscopy demonstrated that adsorption was reduced on the pullulan-immobilized regions. Culture of RAW264 cells, derived from mouse leukemic monocytes, on the micropatterned surface for 22 h showed that cells did not adhere to the immobilized pullulan regions. In conclusion, photoreactive pullulan was covalently immobilized on various surfaces and tended to reduce interactions with proteins and cells.
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Affiliation(s)
- Hirokazu Hasuda
- Regenerative Medical Bioreactor Project, Kanagwa Academy of Science and Technology, KSP East 309, 3-2-1 Sakado, Takatsu-ku, Kawasaki, 213-0012, Japan
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50
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Leor J, Amsalem Y, Cohen S. Cells, scaffolds, and molecules for myocardial tissue engineering. Pharmacol Ther 2004; 105:151-63. [PMID: 15670624 DOI: 10.1016/j.pharmthera.2004.10.003] [Citation(s) in RCA: 260] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/04/2004] [Indexed: 02/02/2023]
Abstract
Unlike heart valves or blood vessels, heart muscle has no replacement alternatives. The most challenging goal in the field of cardiovascular tissue engineering is the creation/ regeneration of an engineered heart muscle. Recent advances in methods of stem cell isolation, culture in bioreactors, and the synthesis of bioactive materials promise to create engineered cardiac tissue ex vivo. At the same time, new approaches are conceived that explore ways to induce tissue regeneration after injury. The purpose of our review is to describe the principles, status, and challenges of myocardial tissue engineering with emphasize on the concept of in situ cardiac tissue engineering and regeneration.
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Affiliation(s)
- Jonathan Leor
- Neufeld Cardiac Research Institute, Tel Aviv University, Sheba Medical Center, Tel Hashomer 52621, Israel.
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