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English EJ, Samolyk BL, Gaudette GR, Pins GD. Micropatterned fibrin scaffolds increase cardiomyocyte alignment and contractility for the fabrication of engineered myocardial tissue. J Biomed Mater Res A 2023; 111:1309-1321. [PMID: 36932841 PMCID: PMC11128133 DOI: 10.1002/jbm.a.37530] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 02/09/2023] [Accepted: 03/01/2023] [Indexed: 03/19/2023]
Abstract
Cardiovascular disease is the leading cause of death in the United States, which can result in blockage of a coronary artery, triggering a myocardial infarction (MI), scar tissue formation in the myocardium, and ultimately heart failure. Currently, the gold-standard solution for total heart failure is a heart transplantation. An alternative to total-organ transplantation is surgically remodeling the ventricle with the implantation of a cardiac patch. Acellular cardiac patches have previously been investigated using synthetic or decellularized native materials to improve cardiac function. However, a limitation of this strategy is that acellular cardiac patches only reshape the ventricle and do not increase cardiac contractile function. Toward the development of a cardiac patch, our laboratory previously developed a cell-populated composite fibrin scaffold and aligned microthreads to recapitulate the mechanical properties of native myocardium. In this study, we explore micropatterning the surfaces of fibrin gels to mimic anisotropic native tissue architecture and promote cellular alignment of human induced pluripotent stem cell cardiomyocytes (hiPS-CM), which is crucial for increasing scaffold contractile properties. hiPS-CMs seeded on micropatterned surfaces exhibit cellular elongation, distinct sarcomere alignment, and circumferential connexin-43 staining at 14 days of culture, which are necessary for mature contractile properties. Constructs were also subject to electrical stimulation during culture to promote increased contractile properties. After 7 days of stimulation, contractile strains of micropatterned constructs were significantly higher than unpatterned controls. These results suggest that the use of micropatterned topographic cues on fibrin scaffolds may be a promising strategy for creating engineered cardiac tissue.
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Affiliation(s)
- Elizabeth J. English
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
- Tessera Therapeutics, Somerville, Massachusetts, USA
| | - Bryanna L. Samolyk
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Glenn R. Gaudette
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
- Department of Engineering, Boston College, Newton, Massachusetts, USA
| | - George D. Pins
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
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2
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Application of 4D printing and AI to cardiovascular devices. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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3
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Cao W, Zhang H, Zhou N, Zhou R, Zhang X, Yin J, Deng J, Ao X, Shi C. Functional recovery of myocardial infarction by specific EBP-PR1P peptides bridging injectable cardiac extracellular matrix and vascular endothelial growth factor. J Biomed Mater Res A 2022; 111:995-1005. [PMID: 36579729 DOI: 10.1002/jbm.a.37483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/26/2022] [Accepted: 12/08/2022] [Indexed: 12/30/2022]
Abstract
Vascular endothelial growth factor (VEGF) is the most potent angiogenic factor and plays an important role in therapy of myocardial infarction (MI). Currently, how to retain regional concentration and decrease rapid diffusion is critical for its clinical application of VEGF. In recent years, the application of targeting peptides has been developed rapidly and provides new strategies for the sustained release of VEGF. In present study, a bi-functional EBP-PR1P peptide was designed and bridged VEGF to injectable cardiac extracellular matrix (c-ECM). Through EBP-PR1P peptides, VEGF could specifically bind with c-ECM to realize the sustained release, without impacting the bioactivity of VEGF. Then VEGF/EBP-PR1P/c-ECM scaffolds were constructed and administrated into rats with MI. The results showed VEGF/EBP-PR1P/c-ECM could promote angiogenesis, protect cardiomyocytes survival against apoptosis, and improve the recovery of cardiac function. In addition, the mechanism of EBP-PR1P/VEGF was also investigated which canonical downstream of VEGF-Akt signaling pathway was activated. These results showed specific VEGF/EBP-PR1P/c-ECM scaffolds served as promising delivery system for VEGF that facilitated the functional recovery of MI.
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Affiliation(s)
- Wenxuan Cao
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Hong Zhang
- Department of Cardiac Surgery, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Ning Zhou
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Runxue Zhou
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Xiaojing Zhang
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Jia Yin
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Jin Deng
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Xiang Ao
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Chunying Shi
- School of Basic Medicine, Qingdao University, Qingdao, China
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Meira RM, Correia DM, García Díez A, Lanceros-Mendez S, Ribeiro C. Ionic liquid-based electroactive materials: a novel approach for cardiac tissue engineering strategies. J Mater Chem B 2022; 10:6472-6482. [PMID: 35968772 DOI: 10.1039/d2tb01155g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cardiac tissue regeneration strategies are increasingly taking advantage of electroactive scaffolds to actively recreate the tissue microenvironment. In this context, this work reports on advanced materials based on two different ionic liquids (ILs), 2-hydroxyethyl-trimethylammonium dihydrogen phosphate ([Ch][DHP]) and choline bis(trifluoromethylsulfonyl)imide ([Ch][TFSI]), combined with poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) for the development of ionic electroactive IL/polymer hybrid materials for cardiac tissue engineering (TE). The morphological, physico-chemical, thermal and electrical properties of the hybrid materials, as well as their potential use as scaffolds for cardiac TE applications, were evaluated. Besides inducing changes in surface topography, roughness and wettability of the composites, the incorporation of [Ch][DHP] and [Ch][TFSI] leads to the increase in surface (σsurface) and volume (σvolume) electrical conductivities. Furthermore, washing the hybrid samples with phosphate-buffered saline solution strongly decreases the σsurface, whereas σsurface and σvolume of the composites remain almost unaltered after exposure to ultraviolet sterilization treatment. Additionally, it is verified that the incorporation of IL influences the P(VDF-TrFE) microstructure and crystallization process, acting as a defect during its crystallization. Cytotoxicity assays revealed that hybrid films based on [Ch][DHP] alone are not cytotoxic. These films also support H9c2 myoblast cell adhesion and proliferation, demonstrating their suitability for cardiac TE strategies based on electroactive microenvironments.
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Affiliation(s)
- R M Meira
- Physics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal. .,LaPMET - Laboratory of Physics for Materials and Emergent Technologies, University of Minho, 4710-057 Braga, Portugal
| | - D M Correia
- Physics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal. .,Centre of Chemistry, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
| | - A García Díez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
| | - S Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain.,IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
| | - C Ribeiro
- Physics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal. .,LaPMET - Laboratory of Physics for Materials and Emergent Technologies, University of Minho, 4710-057 Braga, Portugal
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Tariq U, Gupta M, Pathak S, Patil R, Dohare A, Misra SK. Role of Biomaterials in Cardiac Repair and Regeneration: Therapeutic Intervention for Myocardial Infarction. ACS Biomater Sci Eng 2022; 8:3271-3298. [PMID: 35867701 DOI: 10.1021/acsbiomaterials.2c00454] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Heart failure or myocardial infarction (MI) is one of the world's leading causes of death. Post MI, the heart can develop pathological conditions such as ischemia, inflammation, fibrosis, and left ventricular dysfunction. However, current surgical approaches are sufficient for enhancing myocardial perfusion but are unable to reverse the pathological changes. Tissue engineering and regenerative medicine approaches have shown promising effects in the repair and replacement of injured cardiomyocytes. Additionally, biomaterial scaffolds with or without stem cells are established to provide an effective environment for cardiac regeneration. Excipients loaded with growth factors, cytokines, oligonucleotides, and exosomes are found to help in such cardiac eventualities by promoting angiogenesis, cardiomyocyte proliferation, and reducing fibrosis, inflammation, and apoptosis. Injectable hydrogels, nanocarriers, cardiac patches, and vascular grafts are some excipients that can help the self-renewal in the damaged heart but are not understood well yet, in the context of used biomaterials. This review focuses on the use of various biomaterial-based approaches for the regeneration and repair of cardiac tissue postoccurrence of MI. It also discusses the outlines of cardiac remodeling and current therapeutic approaches after myocardial infarction, which are translationally important with respect to used biomaterials. It provides comprehensive details of the biomaterial-based regenerative approaches, which are currently the focus of the research for cardiac repair and regeneration and can provide a broad outline for further improvements.
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Affiliation(s)
- Ubaid Tariq
- Department of Biological Sciences & Bioengineering, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India
| | - Mahima Gupta
- Department of Biological Sciences & Bioengineering, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India
| | - Subhajit Pathak
- Department of Biological Sciences & Bioengineering, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India
| | - Ruchira Patil
- Department of Biological Sciences & Bioengineering, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India
| | - Akanksha Dohare
- Department of Biological Sciences & Bioengineering, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India
| | - Santosh K Misra
- Department of Biological Sciences & Bioengineering, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India.,Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kalyanpur, Uttar Pradesh 208016, India
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Fang J, Li JJ, Zhong X, Zhou Y, Lee RJ, Cheng K, Li S. Engineering stem cell therapeutics for cardiac repair. J Mol Cell Cardiol 2022; 171:56-68. [PMID: 35863282 DOI: 10.1016/j.yjmcc.2022.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 05/18/2022] [Accepted: 06/25/2022] [Indexed: 10/17/2022]
Abstract
Cardiovascular disease is the leading cause of death in the world. Stem cell-based therapies have been widely investigated for cardiac regeneration in patients with heart failure or myocardial infarction (MI) and surged ahead on multiple fronts over the past two decades. To enhance cellular therapy for cardiac regeneration, numerous engineering techniques have been explored to engineer cells, develop novel scaffolds, make constructs, and deliver cells or their derivatives. This review summarizes the state-of-art stem cell-based therapeutics for cardiac regeneration and discusses the emerged bioengineering approaches toward the enhancement of therapeutic efficacy of stem cell therapies in cardiac repair. We cover the topics in stem cell source and engineering, followed by stem cell-based therapies such as cell aggregates and cell sheets, and biomaterial-mediated stem cell therapies such as stem cell delivery with injectable hydrogel, three-dimensional scaffolds, and microneedle patches. Finally, we discuss future directions and challenges of engineering stem cell therapies for clinical translation.
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Affiliation(s)
- Jun Fang
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, California 90095, USA; School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Jennifer J Li
- Keck School of Medicine of the University of Southern California, Los Angeles, CA 90033, USA; Department of Medicine, Cardiovascular Research Institute and Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, USA
| | - Xintong Zhong
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yue Zhou
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Randall J Lee
- Department of Medicine, Cardiovascular Research Institute and Institute for Regeneration Medicine, University of California, San Francisco, CA 94143, USA
| | - Ke Cheng
- Department of Biomedical Engineering, North Carolina State University, NC, USA
| | - Song Li
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, California 90095, USA; Eli and Edythe Broad Stem Cell Research Center, University of California, Los Angeles, California 90095, USA.
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Schmitt PR, Dwyer KD, Coulombe KLK. Current Applications of Polycaprolactone as a Scaffold Material for Heart Regeneration. ACS APPLIED BIO MATERIALS 2022; 5:2461-2480. [PMID: 35623101 DOI: 10.1021/acsabm.2c00174] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Despite numerous advances in treatments for cardiovascular disease, heart failure (HF) remains the leading cause of death worldwide. A significant factor contributing to the progression of cardiovascular diseases into HF is the loss of functioning cardiomyocytes. The recent growth in the field of cardiac tissue engineering has the potential to not only reduce the downstream effects of injured tissues on heart function and longevity but also re-engineer cardiac function through regeneration of contractile tissue. One leading strategy to accomplish this is via a cellularized patch that can be surgically implanted onto a diseased heart. A key area of this field is the use of tissue scaffolds to recapitulate the mechanical and structural environment of the native heart and thus promote engineered myocardium contractility and function. While the strong mechanical properties and anisotropic structural organization of the native heart can be largely attributed to a robust extracellular matrix, similar strength and organization has proven to be difficult to achieve in cultured tissues. Polycaprolactone (PCL) is an emerging contender to fill these gaps in fabricating scaffolds that mimic the mechanics and structure of the native heart. In the field of cardiovascular engineering, PCL has recently begun to be studied as a scaffold for regenerating the myocardium due to its facile fabrication, desirable mechanical, chemical, and biocompatible properties, and perhaps most importantly, biodegradability, which make it suitable for regenerating and re-engineering function to the heart after disease or injury. This review focuses on the application of PCL as a scaffold specifically in myocardium repair and regeneration and outlines current fabrication approaches, properties, and possibilities of PCL incorporation into engineered myocardium, as well as provides suggestions for future directions and a roadmap toward clinical translation of this technology.
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Affiliation(s)
- Phillip R Schmitt
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Kiera D Dwyer
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Kareen L K Coulombe
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, Rhode Island 02912, United States
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8
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da Silva IGR, Pantoja BTDS, Almeida GHDR, Carreira ACO, Miglino MA. Bacterial Cellulose and ECM Hydrogels: An Innovative Approach for Cardiovascular Regenerative Medicine. Int J Mol Sci 2022; 23:ijms23073955. [PMID: 35409314 PMCID: PMC8999934 DOI: 10.3390/ijms23073955] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 12/11/2022] Open
Abstract
Cardiovascular diseases are considered the leading cause of death in the world, accounting for approximately 85% of sudden death cases. In dogs and cats, sudden cardiac death occurs commonly, despite the scarcity of available pathophysiological and prevalence data. Conventional treatments are not able to treat injured myocardium. Despite advances in cardiac therapy in recent decades, transplantation remains the gold standard treatment for most heart diseases in humans. In veterinary medicine, therapy seeks to control clinical signs, delay the evolution of the disease and provide a better quality of life, although transplantation is the ideal treatment. Both human and veterinary medicine face major challenges regarding the transplantation process, although each area presents different realities. In this context, it is necessary to search for alternative methods that overcome the recovery deficiency of injured myocardial tissue. Application of biomaterials is one of the most innovative treatments for heart regeneration, involving the use of hydrogels from decellularized extracellular matrix, and their association with nanomaterials, such as alginate, chitosan, hyaluronic acid and gelatin. A promising material is bacterial cellulose hydrogel, due to its nanostructure and morphology being similar to collagen. Cellulose provides support and immobilization of cells, which can result in better cell adhesion, growth and proliferation, making it a safe and innovative material for cardiovascular repair.
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Affiliation(s)
- Izabela Gabriela Rodrigues da Silva
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-270, Brazil; (I.G.R.d.S.); (B.T.d.S.P.); (G.H.D.R.A.); (A.C.O.C.)
| | - Bruna Tássia dos Santos Pantoja
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-270, Brazil; (I.G.R.d.S.); (B.T.d.S.P.); (G.H.D.R.A.); (A.C.O.C.)
| | - Gustavo Henrique Doná Rodrigues Almeida
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-270, Brazil; (I.G.R.d.S.); (B.T.d.S.P.); (G.H.D.R.A.); (A.C.O.C.)
| | - Ana Claudia Oliveira Carreira
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-270, Brazil; (I.G.R.d.S.); (B.T.d.S.P.); (G.H.D.R.A.); (A.C.O.C.)
- NUCEL-Cell and Molecular Therapy Center, School of Medicine, Sao Paulo University, Sao Paulo 05508-270, Brazil
| | - Maria Angélica Miglino
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-270, Brazil; (I.G.R.d.S.); (B.T.d.S.P.); (G.H.D.R.A.); (A.C.O.C.)
- Correspondence:
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9
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Chen H, Agrawal DK, Thankam FG. Biomaterials-Driven Sterile Inflammation. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:22-34. [PMID: 33213285 PMCID: PMC8892963 DOI: 10.1089/ten.teb.2020.0253] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Performance of the biomaterials used for regenerative medicine largely depends on biocompatibility; however, the biological mechanisms underlying biocompatibility of a biomaterial within the host system is poorly understood. In addition to the classical immune response against non-self-entities, the sterile inflammatory response could limit the compatibility of biological scaffolds. Whereas the immediate to short-term host response to a biomaterial implant have been characterized, the long-term progression of host-biomaterial relationship has not been described. This article explores the novel concept of biomaterials-driven sterile inflammation (BSI) in long-term biodegradable implants and throws light for possible explanation for the onset of BSI and the associated damage-associated molecular patterns. The understanding of BSI would advance the current strategies to improve biomaterial-host tissue integration and open novel translational avenues in biomaterials-based tissue regeneration. Impact statement Understanding the novel concept of biomaterials-driven sterile inflammation and associated damage-associated molecular patterns in long-term biodegradable implants would determine their success and improves the tissue engineering and regenerative strategies.
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Affiliation(s)
- Henry Chen
- Department of Translational Research, Western University of Health Sciences, Pomona, California, USA
| | - Devendra K. Agrawal
- Department of Translational Research, Western University of Health Sciences, Pomona, California, USA
| | - Finosh G. Thankam
- Department of Translational Research, Western University of Health Sciences, Pomona, California, USA
- Address correspondence to: Finosh G. Thankam, PhD, Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA 91766-1854, USA
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10
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Camman M, Joanne P, Agbulut O, Hélary C. 3D models of dilated cardiomyopathy: Shaping the chemical, physical and topographical properties of biomaterials to mimic the cardiac extracellular matrix. Bioact Mater 2022; 7:275-291. [PMID: 34466733 PMCID: PMC8379361 DOI: 10.1016/j.bioactmat.2021.05.040] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/21/2021] [Accepted: 05/21/2021] [Indexed: 12/12/2022] Open
Abstract
The pathophysiology of dilated cardiomyopathy (DCM), one major cause of heart failure, is characterized by the dilation of the heart but remains poorly understood because of the lack of adequate in vitro models. Current 2D models do not allow for the 3D organotypic organization of cardiomyocytes and do not reproduce the ECM perturbations. In this review, the different strategies to mimic the chemical, physical and topographical properties of the cardiac tissue affected by DCM are presented. The advantages and drawbacks of techniques generating anisotropy required for the cardiomyocytes alignment are discussed. In addition, the different methods creating macroporosity and favoring organotypic organization are compared. Besides, the advances in the induced pluripotent stem cells technology to generate cardiac cells from healthy or DCM patients will be described. Thanks to the biomaterial design, some features of the DCM extracellular matrix such as stiffness, porosity, topography or chemical changes can impact the cardiomyocytes function in vitro and increase their maturation. By mimicking the affected heart, both at the cellular and at the tissue level, 3D models will enable a better understanding of the pathology and favor the discovery of novel therapies.
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Affiliation(s)
- Marie Camman
- Sorbonne Université, CNRS, UMR 7574, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu (case 174), F-75005, Paris, France
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 7 quai St-Bernard (case 256), F-75005, Paris, France
| | - Pierre Joanne
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 7 quai St-Bernard (case 256), F-75005, Paris, France
| | - Onnik Agbulut
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 7 quai St-Bernard (case 256), F-75005, Paris, France
| | - Christophe Hélary
- Sorbonne Université, CNRS, UMR 7574, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu (case 174), F-75005, Paris, France
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11
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Shchotkina N. Aspects of Lyophilization of Cardiac Bioimplant. INNOVATIVE BIOSYSTEMS AND BIOENGINEERING 2021. [DOI: 10.20535/ibb.2021.5.4.239725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The use of implants of biological origin in clinical practice has led to the search for methods of long-term storage of tissues without damaging their functional and structural characteristics. Xenografts (extracted from pericardium of pigs, horses, bulls) are drawing more and more interest. The bovine pericardium is exposed to chemical and physical factors providing complete purification of tissue from cells and their components. Such scaffolds are protein (collagen) complexes that fully replicate the microstructure of the pericardial tissue. Lyophilisation ensures long-term preservation of the extracellular matrix properties. The principle of the method is in drying pre-frozen tissue, in which water is sublimated. The method is intended for storage, transportation, and the subsequent use of the bioimplant in clinical practice. However, the lyophilization process may be accompanied by various undesirable factors that can lead to denaturation of the matrix protein or loss of its functionality and structure. To preserve the natural microstructure, stabilizers or various modifications (slow/fast freezing, reducing the degree of supercooling, etc.) of the lyophilization process are applied to biological prostheses. In this review, the main processes of lyophilization of biological tissue are described, which can affect the operation of a cardiac implant. A deep understanding of the parameters of the lyophilization process is crucial for creation of stable tissue grafts and their subsequent long-term storage.
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Fakhrali A, Poursharifi N, Nasari M, Semnani D, Salehi H, Ghane M, Mohammadi S. Fabrication and characterization of PCL/Gel nanofibrous scaffolds incorporated with graphene oxide applicable in cardiac tissue engineering. POLYM-PLAST TECH MAT 2021. [DOI: 10.1080/25740881.2021.1939716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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13
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Efremov YM, Zurina IM, Presniakova VS, Kosheleva NV, Butnaru DV, Svistunov AA, Rochev YA, Timashev PS. Mechanical properties of cell sheets and spheroids: the link between single cells and complex tissues. Biophys Rev 2021; 13:541-561. [PMID: 34471438 PMCID: PMC8355304 DOI: 10.1007/s12551-021-00821-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 07/05/2021] [Indexed: 12/13/2022] Open
Abstract
Cell aggregates, including sheets and spheroids, represent a simple yet powerful model system to study both biochemical and biophysical intercellular interactions. However, it is becoming evident that, although the mechanical properties and behavior of multicellular structures share some similarities with individual cells, yet distinct differences are observed in some principal aspects. The description of mechanical phenomena at the level of multicellular model systems is a necessary step for understanding tissue mechanics and its fundamental principles in health and disease. Both cell sheets and spheroids are used in tissue engineering, and the modulation of mechanical properties of cell constructs is a promising tool for regenerative medicine. Here, we review the data on mechanical characterization of cell sheets and spheroids, focusing both on advances in the measurement techniques and current understanding of the subject. The reviewed material suggest that interplay between the ECM, intercellular junctions, and cellular contractility determines the behavior and mechanical properties of the cell aggregates.
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Affiliation(s)
- Yuri M. Efremov
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 8-2 Trubetskaya St, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov University, Moscow, 119991 Russia
| | - Irina M. Zurina
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 8-2 Trubetskaya St, Moscow, Russia
- FSBSI Institute of General Pathology and Pathophysiology, 125315, 8 Baltiyskaya St, Moscow, Russia
| | - Viktoria S. Presniakova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 8-2 Trubetskaya St, Moscow, Russia
| | - Nastasia V. Kosheleva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 8-2 Trubetskaya St, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov University, Moscow, 119991 Russia
- FSBSI Institute of General Pathology and Pathophysiology, 125315, 8 Baltiyskaya St, Moscow, Russia
| | - Denis V. Butnaru
- Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia
| | - Andrey A. Svistunov
- Sechenov First Moscow State Medical University (Sechenov University), 119991, 8-2 Trubetskaya St, Moscow, Russia
| | - Yury A. Rochev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 8-2 Trubetskaya St, Moscow, Russia
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, H91 W2TY, Ireland
| | - Peter S. Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 8-2 Trubetskaya St, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov University, Moscow, 119991 Russia
- Department of Polymers and Composites, N.N. Semenov Institute of Chemical Physics, 119991 4 Kosygin St, Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Leninskiye Gory 1–3, Moscow, 119991 Russia
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14
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Litowczenko J, Woźniak-Budych MJ, Staszak K, Wieszczycka K, Jurga S, Tylkowski B. Milestones and current achievements in development of multifunctional bioscaffolds for medical application. Bioact Mater 2021; 6:2412-2438. [PMID: 33553825 PMCID: PMC7847813 DOI: 10.1016/j.bioactmat.2021.01.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/23/2020] [Accepted: 01/07/2021] [Indexed: 12/13/2022] Open
Abstract
Tissue engineering (TE) is a rapidly growing interdisciplinary field, which aims to restore or improve lost tissue function. Despite that TE was introduced more than 20 years ago, innovative and more sophisticated trends and technologies point to new challenges and development. Current challenges involve the demand for multifunctional bioscaffolds which can stimulate tissue regrowth by biochemical curves, biomimetic patterns, active agents and proper cell types. For those purposes especially promising are carefully chosen primary cells or stem cells due to its high proliferative and differentiation potential. This review summarized a variety of recently reported advanced bioscaffolds which present new functions by combining polymers, nanomaterials, bioactive agents and cells depending on its desired application. In particular necessity of study biomaterial-cell interactions with in vitro cell culture models, and studies using animals with in vivo systems were discuss to permit the analysis of full material biocompatibility. Although these bioscaffolds have shown a significant therapeutic effect in nervous, cardiovascular and muscle, tissue engineering, there are still many remaining unsolved challenges for scaffolds improvement.
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Affiliation(s)
- Jagoda Litowczenko
- NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, Poznan, Poland
| | - Marta J. Woźniak-Budych
- NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, Poznan, Poland
| | - Katarzyna Staszak
- Institute of Technology and Chemical Engineering, Poznan University of Technology, ul. Berdychowo 4, Poznan, Poland
| | - Karolina Wieszczycka
- Institute of Technology and Chemical Engineering, Poznan University of Technology, ul. Berdychowo 4, Poznan, Poland
| | - Stefan Jurga
- NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, Poznan, Poland
| | - Bartosz Tylkowski
- Eurecat, Centre Tecnològic de Catalunya, Chemical Technologies Unit, Marcel·lí Domingo s/n, Tarragona, 43007, Spain
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15
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Trombino S, Curcio F, Cassano R, Curcio M, Cirillo G, Iemma F. Polymeric Biomaterials for the Treatment of Cardiac Post-Infarction Injuries. Pharmaceutics 2021; 13:1038. [PMID: 34371729 PMCID: PMC8309168 DOI: 10.3390/pharmaceutics13071038] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/29/2021] [Accepted: 07/05/2021] [Indexed: 02/06/2023] Open
Abstract
Cardiac regeneration aims to reconstruct the heart contractile mass, preventing the organ from a progressive functional deterioration, by delivering pro-regenerative cells, drugs, or growth factors to the site of injury. In recent years, scientific research focused the attention on tissue engineering for the regeneration of cardiac infarct tissue, and biomaterials able to anatomically and physiologically adapt to the heart muscle have been proposed as valuable tools for this purpose, providing the cells with the stimuli necessary to initiate a complete regenerative process. An ideal biomaterial for cardiac tissue regeneration should have a positive influence on the biomechanical, biochemical, and biological properties of tissues and cells; perfectly reflect the morphology and functionality of the native myocardium; and be mechanically stable, with a suitable thickness. Among others, engineered hydrogels, three-dimensional polymeric systems made from synthetic and natural biomaterials, have attracted much interest for cardiac post-infarction therapy. In addition, biocompatible nanosystems, and polymeric nanoparticles in particular, have been explored in preclinical studies as drug delivery and tissue engineering platforms for the treatment of cardiovascular diseases. This review focused on the most employed natural and synthetic biomaterials in cardiac regeneration, paying particular attention to the contribution of Italian research groups in this field, the fabrication techniques, and the current status of the clinical trials.
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Affiliation(s)
| | | | - Roberta Cassano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy; (S.T.); (F.C.); (G.C.); (F.I.)
| | - Manuela Curcio
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy; (S.T.); (F.C.); (G.C.); (F.I.)
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16
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Liang Y, Mitriashkin A, Lim TT, Goh JCH. Conductive polypyrrole-encapsulated silk fibroin fibers for cardiac tissue engineering. Biomaterials 2021; 276:121008. [PMID: 34265591 DOI: 10.1016/j.biomaterials.2021.121008] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/23/2021] [Accepted: 07/02/2021] [Indexed: 02/07/2023]
Abstract
Polypyrrole (PPy) has been utilized in smart scaffolds to improve the functionality of the engineered cardiac tissue. Compared to the commonly used aqueous coating, here, PPy was blended into silk fibroin (SF) solution to electrospin conductive PPy-encapsulated SF nanofibers. Combinations of various SF concentrations (5%, 7%, and 12%) and different PPy-to-SF ratios (15:85, 30:70, and 40:60) were compared. PPy reduced the fiber diameter (0.431 ± 0.060 μm), better-mimicking the myocardium fibrils. Conductive mats with 7% SF showed the closest mechanical properties (1.437 ± 0.044 MPa) to the native myocardium; meanwhile, a PPy-to-SF ratio of 15:85 exhibited sufficient electrical conductivity for cardiomyocytes (CMs). In vitro studies using three different types of CM demonstrated that the hybrid mats support CM contraction. Primary neonatal rat CMs on the mat with a PPy-to-SF ratio of 15:85 were elongated and orientated anisotropically with locally organized sarcomeric striations. By contrast, human-induced pluripotent stem cell derived-CMs on the mat with a PPy-to-SF ratio of 30:70 exhibited the strongest contractions. Contraction synchrony was further improved by external stimulation. Taken together, these findings indicated the great potential of the PPy-encapsulated SF electrospun mat for cardiac tissue engineering.
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Affiliation(s)
- Yeshi Liang
- National University of Singapore, Department of Biomedical Engineering, 4 ENGINEERING DR 3, #04-08, 117583, Singapore
| | - Aleksandr Mitriashkin
- National University of Singapore, Department of Biomedical Engineering, 4 ENGINEERING DR 3, #04-08, 117583, Singapore
| | - Ting Ting Lim
- National University of Singapore, Department of Biomedical Engineering, 4 ENGINEERING DR 3, #04-08, 117583, Singapore
| | - James Cho-Hong Goh
- National University of Singapore, Department of Biomedical Engineering, 4 ENGINEERING DR 3, #04-08, 117583, Singapore; National University of Singapore, Life Sciences Institute, Tissue Engineering Programme, DSO (Kent Ridge) Building, 27 Medical Drive, #04-01, 117510, Singapore.
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17
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A continuum model and simulations for large deformation of anisotropic fiber-matrix composites for cardiac tissue engineering. J Mech Behav Biomed Mater 2021; 121:104627. [PMID: 34130078 DOI: 10.1016/j.jmbbm.2021.104627] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/29/2021] [Accepted: 06/01/2021] [Indexed: 11/22/2022]
Abstract
Cardiac patch therapies promise to restore heart function and lower the risk of heart failure after heart attack. Fiber-matrix engineered tissue scaffolds have gained significant attention due to their tunable micro-structures, providing nonlinear mechanical properties similar to native anisotropic heart tissues. Mechanical properties of engineered scaffolds directly affect the stress fields generated inside and around the tissue scaffolds and have significant impact on the tissue functionality. Currently, biomedical cardiac patches are designed through experimentation and there exists a need for an accurate model that will allow micro-structural design optimization and analysis of effectiveness of the implanted patches. We have developed a three-dimensional large strain continuum model that can predict nonlinear, anisotropic mechanical response of engineered tissue scaffolds that have two orientation families of fibers inside a bulk hydrogel matrix. We have validated the predictive capability of our continuum model for the fiber-matrix composite using selected experiments and a suite of detailed finite element analysis that incorporated the micro-structural details of the composites. Comparing the continuum model predictions (1 element) against the representative volume micro-structural geometry finite element simulations (with greater than 4,00,000 elements), we show that the proposed model can accurately predict nonlinear mechanical behavior of highly anisotropic tissue scaffolds in both the longitudinal and transverse directions, as a function of the critical design parameters inter-fiber angle and fiber spacing. We show that the model can also capture native heart tissue's anisotropic large strain mechanical response. We implemented our model in the finite element software Abaqus by writing a user material subroutine UANISOHYPER and demonstrated its predictive abilities by conducting a full three-dimensional analysis of engineered tissue patch application on an infarcted heart.
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18
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Seguret M, Vermersch E, Jouve C, Hulot JS. Cardiac Organoids to Model and Heal Heart Failure and Cardiomyopathies. Biomedicines 2021; 9:563. [PMID: 34069816 PMCID: PMC8157277 DOI: 10.3390/biomedicines9050563] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/04/2021] [Accepted: 05/10/2021] [Indexed: 12/18/2022] Open
Abstract
Cardiac tissue engineering aims at creating contractile structures that can optimally reproduce the features of human cardiac tissue. These constructs are becoming valuable tools to model some of the cardiac functions, to set preclinical platforms for drug testing, or to alternatively be used as therapies for cardiac repair approaches. Most of the recent developments in cardiac tissue engineering have been made possible by important advances regarding the efficient generation of cardiac cells from pluripotent stem cells and the use of novel biomaterials and microfabrication methods. Different combinations of cells, biomaterials, scaffolds, and geometries are however possible, which results in different types of structures with gradual complexities and abilities to mimic the native cardiac tissue. Here, we intend to cover key aspects of tissue engineering applied to cardiology and the consequent development of cardiac organoids. This review presents various facets of the construction of human cardiac 3D constructs, from the choice of the components to their patterning, the final geometry of generated tissues, and the subsequent readouts and applications to model and treat cardiac diseases.
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Affiliation(s)
- Magali Seguret
- INSERM, PARCC, Université de Paris, F-75006 Paris, France; (M.S.); (E.V.); (C.J.)
| | - Eva Vermersch
- INSERM, PARCC, Université de Paris, F-75006 Paris, France; (M.S.); (E.V.); (C.J.)
| | - Charlène Jouve
- INSERM, PARCC, Université de Paris, F-75006 Paris, France; (M.S.); (E.V.); (C.J.)
| | - Jean-Sébastien Hulot
- INSERM, PARCC, Université de Paris, F-75006 Paris, France; (M.S.); (E.V.); (C.J.)
- CIC1418 and DMU CARTE, Assistance Publique Hôpitaux de Paris (AP-HP), Hôpital Européen Georges-Pompidou, F-75015 Paris, France
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19
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Sali SS, Gould ML, Qasim M, Ali MA. Biodegradable methacrylated casein for cardiac tissue engineering applications. J Mater Chem B 2021; 9:1557-1567. [PMID: 33491722 DOI: 10.1039/d0tb02496a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Casein is a naturally derived amino group (-NH2) rich protein, that enables surface functionalization leading to hydrophilicity, which in turn facilitates better cell adhesion. Casein obtained from either commercial β-casein rich skim milk (A2 milk) or dissolved air flotation (DAF) technology was tested for its potential for tissue engineering applications in a comparative study. A novel biodegradable biomaterial was synthesized from casein by chemically modifying with methacrylic anhydride (MA) and combined with polyvinyl alcohol (PVA) and polyvinyl pyrrolidone (PVP) blend. The resulting methacrylated casein (CasMA) with the two polymers was processed into porous scaffolds with low and high MA concentrations to demonstrate CasMA's ease of modification and reproducibility. Fourier Transform Infrared Microscopy (FTIR) and Proton Nuclear Magnetic Resonance (1H NMR) revealed the presence of all the components and the successful modification of casein. The rheological and morphological analysis presented viscous behaviour and columnar hollow tube-like microstructures in agreement with the biomaterials' swelling and biodegradation behaviour. The live/dead in vitro assay showed high cell viability that agreed with the cell proliferation (MTT) assay in vitro, which indicated increased proliferation upon casein modification at appropriate biomaterial concentrations and volumes. This study not only showed a possible mechanism of casein methacrylation but also presented the potential use of waste materials like DAF-casein as a value-added product for tissue engineering applications.
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Affiliation(s)
- Sonali Sudhir Sali
- Centre for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin 9016, New Zealand.
| | - Maree L Gould
- Centre for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin 9016, New Zealand.
| | - Muhammad Qasim
- Centre for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin 9016, New Zealand. and Department of Anatomy, University of Otago, Dunedin 9016, New Zealand
| | - M Azam Ali
- Centre for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin 9016, New Zealand.
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20
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Boroumand S, Haeri A, Nazeri N, Rabbani S. Review Insights In Cardiac Tissue Engineering: Cells, Scaffolds, and Pharmacological Agents. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2021; 20:467-496. [PMID: 35194460 PMCID: PMC8842618 DOI: 10.22037/ijpr.2021.114730.15012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Heart failure (HF) is one of the most important cardiovascular diseases (CVD), causing many die every year. Cardiac tissue engineering is a multidisciplinary field for creating functional tissues to improve the cardiac function of the damaged heart and get hope for end-stage patients. Recent works have focused on creating engineered cardiac tissue ex-vivo. Simultaneously, new approaches are used to study ways of induction of regeneration in the damaged heart after injury. The heart as a complex physiological pump consists of many cells such as cardiomyocytes (80–90% of the heart volume). These cardiomyocytes are elongated, aligned, and have beating properties. To create the heart muscle, which should be functional, soft and elastic scaffolds are required to resemble the native heart tissue. These mechanical characteristics are not compatible with all materials and should be well selected. Some scaffolds promote the viability and differentiation of stem cells. Each material has advantages and disadvantages with relevant influence behavior for cells. In this review, we present an overview of the general approaches developed to generate functional cardiac tissues, discussing the different cell sources, biomaterials, pharmacological agents, and engineering strategies in this manner. Moreover, we discuss the main challenges in cardiac tissue engineering that cause difficulties to construct heart muscle. We trust that researchers interested in developing cardiac tissue engineering will find the information reviewed here useful. Furthermore, we think that providing a unified framework will further the development of human engineered cardiac tissue constructs.
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Affiliation(s)
- Safieh Boroumand
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Azadeh Haeri
- Department of Pharmaceutics and Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran. ,Protein Technology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Niloofar Nazeri
- Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran.
| | - Shahram Rabbani
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.,Corresponding author: E-mail:
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21
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Mostafavi E, Medina-Cruz D, Kalantari K, Taymoori A, Soltantabar P, Webster TJ. Electroconductive Nanobiomaterials for Tissue Engineering and Regenerative Medicine. Bioelectricity 2020; 2:120-149. [PMID: 34471843 PMCID: PMC8370325 DOI: 10.1089/bioe.2020.0021] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Regenerative medicine aims to engineer tissue constructs that can recapitulate the functional and structural properties of native organs. Most novel regenerative therapies are based on the recreation of a three-dimensional environment that can provide essential guidance for cell organization, survival, and function, which leads to adequate tissue growth. The primary motivation in the use of conductive nanomaterials in tissue engineering has been to develop biomimetic scaffolds to recapitulate the electrical properties of the natural extracellular matrix, something often overlooked in numerous tissue engineering materials to date. In this review article, we focus on the use of electroconductive nanobiomaterials for different biomedical applications, particularly, very recent advancements for cardiovascular, neural, bone, and muscle tissue regeneration. Moreover, this review highlights how electroconductive nanobiomaterials can facilitate cell to cell crosstalk (i.e., for cell growth, migration, proliferation, and differentiation) in different tissues. Thoughts on what the field needs for future growth are also provided.
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Affiliation(s)
- Ebrahim Mostafavi
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - David Medina-Cruz
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Katayoon Kalantari
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Ada Taymoori
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Pooneh Soltantabar
- Department of Bioengineering, University of Texas at Dallas, Richardson, Texas, USA
| | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
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22
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Kristen M, Ainsworth MJ. Fiber Scaffold Patterning for Mending Hearts: 3D Organization Bringing the Next Step. Adv Healthc Mater 2020; 9:e1900775. [PMID: 31603288 PMCID: PMC7116178 DOI: 10.1002/adhm.201900775] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/14/2019] [Indexed: 12/14/2022]
Abstract
Heart failure (HF) is a leading cause of death worldwide. The most common conditions that lead to HF are coronary artery disease, myocardial infarction, valve disorders, high blood pressure, and cardiomyopathy. Due to the limited regenerative capacity of the heart, the only curative therapy currently available is heart transplantation. Therefore, there is a great need for the development of novel regenerative strategies to repair the injured myocardium, replace damaged valves, and treat occluded coronary arteries. Recent advances in manufacturing technologies have resulted in the precise fabrication of 3D fiber scaffolds with high architectural control that can support and guide new tissue growth, opening exciting new avenues for repair of the human heart. This review discusses the recent advancements in the novel research field of fiber patterning manufacturing technologies for cardiac tissue engineering (cTE) and to what extent these technologies could meet the requirements of the highly organized and structured cardiac tissues. Additionally, future directions of these novel fiber patterning technologies, designs, and applicability to advance cTE are presented.
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Affiliation(s)
- Marleen Kristen
- Regenerative Medicine Center, University Medical Center Utrecht,
Utrecht 3584 CT, The Netherlands; Department of Orthopedics, University Medical
Center Utrecht, Utrecht 3584 CX, The Netherlands
| | - Madison J. Ainsworth
- Regenerative Medicine Center, University Medical Center Utrecht,
Utrecht 3584 CT, The Netherlands; Department of Orthopedics, University Medical
Center Utrecht, Utrecht 3584 CX, The Netherlands
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23
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Rosellini E, Lazzeri L, Maltinti S, Vanni F, Barbani N, Cascone MG. Development and characterization of a suturable biomimetic patch for cardiac applications. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:126. [PMID: 31728643 DOI: 10.1007/s10856-019-6327-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 11/03/2019] [Indexed: 06/10/2023]
Abstract
3D scaffolds used to repair damaged tissues should be able to mimic both composition and functions of natural extracellular matrix, which is mainly composed of polysaccharides and proteins. In our previous research new biomimetic sponges, based on blends of alginate with gelatin, were produced and characterized for myocardial tissue engineering applications. It was observed that these scaffolds can potentially function as a promising cardiac extracellular matrix substitute, but a reinforcement is required to improve their suturing properties. Aim of the present work was the development of a suturable biomimetic patch by the inclusion of a synthetic mesh within an alginate/gelatin scaffold. The mesh, produced by dry spinning, was made of eight superimposed layers of polycaprolactone microfibers, each one rotated of 45° with respect to the adjacent one. Reinforced scaffolds were obtained through the use of a mold, specially designed to place the fibrous mesh exactly in the center of the sponge. Both the reinforcement mesh and the reinforced scaffold were characterized. A perfect integration between the mesh and the sponge was observed. The fibrous mesh reduced the capacity of the sponge to absorb water, but the degree of hydrophilicity of the material was still comparable with that of natural cardiac tissue. The reinforced system showed a suitable stability in aqueous environment and it resulted much more resistant to suturing than not reinforced scaffold and even than human arteries. Polycaprolactone mesh was not cytotoxic and the reinforced scaffold was able to support cardiomyocytes adhesion and proliferation. Overall, the obtained results confirmed that the choice to modify the alginate/gelatin sponges through the insertion of an appropriate reinforcement system turned out to be correct in view of their potential use in myocardial tissue engineering.
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Affiliation(s)
- Elisabetta Rosellini
- Department of Civil and Industrial Engineering (DICI), University of Pisa, Largo Lucio Lazzarino, 56126, Pisa, Italy
- Inter-University Center for the 3Rs Principles in Teaching & Research (Centro 3R), 56126, Pisa, Italy
| | - Luigi Lazzeri
- Department of Civil and Industrial Engineering (DICI), University of Pisa, Largo Lucio Lazzarino, 56126, Pisa, Italy
- Inter-University Center for the 3Rs Principles in Teaching & Research (Centro 3R), 56126, Pisa, Italy
| | - Simona Maltinti
- Department of Civil and Industrial Engineering (DICI), University of Pisa, Largo Lucio Lazzarino, 56126, Pisa, Italy
| | - Francesca Vanni
- Department of Civil and Industrial Engineering (DICI), University of Pisa, Largo Lucio Lazzarino, 56126, Pisa, Italy
| | - Niccoletta Barbani
- Department of Civil and Industrial Engineering (DICI), University of Pisa, Largo Lucio Lazzarino, 56126, Pisa, Italy
| | - Maria Grazia Cascone
- Department of Civil and Industrial Engineering (DICI), University of Pisa, Largo Lucio Lazzarino, 56126, Pisa, Italy.
- Inter-University Center for the 3Rs Principles in Teaching & Research (Centro 3R), 56126, Pisa, Italy.
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24
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Bushkalova R, Farno M, Tenailleau C, Duployer B, Cussac D, Parini A, Sallerin B, Girod Fullana S. Alginate-chitosan PEC scaffolds: A useful tool for soft tissues cell therapy. Int J Pharm 2019; 571:118692. [DOI: 10.1016/j.ijpharm.2019.118692] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 08/13/2019] [Accepted: 09/09/2019] [Indexed: 12/28/2022]
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25
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Zhang W, Wang Z, Xie C, Wang X, Luo F, Hong M, Zhou R, Ma C, Lin N, Zhang J, Hu X, Chan JKY, Wen F, Wang Y. Scaffold with Micro/Macro-Architecture for Myocardial Alignment Engineering into Complex 3D Cell Patterns. Adv Healthc Mater 2019; 8:e1901015. [PMID: 31599123 DOI: 10.1002/adhm.201901015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/26/2019] [Indexed: 12/21/2022]
Abstract
Tissue structural anisotropy is an important basis for heart function. Attempts to regenerate the complicated heart-tissue alignment has rarely featured macroscale 3D constructs required for myocardial tissue engineering. The feasibility of engineered scaffolds with micro/macro-architecture for guiding spatial cell alignment following complex patterns is reported. The scaffold is composed of stackable dual-structured layers with linear micro-ridge/groove patterns and macro-through-hole arrays, which enable tailorable anisotropy and interconnective free space. When human mesenchymal stem cells are seeded on the scaffold, well-organized spreading alignment showing the precise control in cellular orientation is significantly introduced over nonpatterned controls. Moreover, spatial cell distribution in the scaffold and directional changes of the layered linear patterns that made cell alignment orientations turning accordingly are observed, leading to the complex 3D pattern reconstruction of cellular alignment resembling natural myocardial tissue. This work validates the potential of micro/macro-architecture engineering for spatial cell guidance. Scaffolds with this capability can be potentially used for biomanufacturing of the structural alignment in myocardial tissue engineering.
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Affiliation(s)
- Wanqi Zhang
- College of Materials Science and EngineeringHunan University Changsha 410082 P. R. China
| | - Zuyong Wang
- College of Materials Science and EngineeringHunan University Changsha 410082 P. R. China
| | - Chao Xie
- Department of Vascular SurgeryXiangya HospitalCentral South University Changsha 410008 P. R. China
| | - Xianwei Wang
- Department of Vascular SurgeryXiangya HospitalCentral South University Changsha 410008 P. R. China
| | - Fangfang Luo
- School of ScienceHuzhou University Huzhou Zhejiang 313000 P. R. China
| | - Minghui Hong
- Department of Electrical and Computer EngineeringNational University of Singapore Singapore 117576 Singapore
| | - Rui Zhou
- School of Aerospace EngineeringXiamen University Xiamen 361102 P. R. China
| | - Chao Ma
- College of Materials Science and EngineeringHunan University Changsha 410082 P. R. China
| | - Nan Lin
- College of Materials Science and EngineeringHunan University Changsha 410082 P. R. China
| | - Jieyu Zhang
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610065 P. R. China
| | - Xuefeng Hu
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610065 P. R. China
| | - Jerry Kok Yen Chan
- Department of Reproductive MedicineKK Women's and Children's Hospital Singapore 229899 Singapore
| | - Feng Wen
- School of Chemical and Biomedical EngineeringNanyang Technological University Singapore 637457 Singapore
| | - Yunbing Wang
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610065 P. R. China
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26
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Neethling WML, Puls K, Rea A. Comparison of physical and biological properties of CardioCel® with commonly used bioscaffolds. Interact Cardiovasc Thorac Surg 2019; 26:985-992. [PMID: 29361133 DOI: 10.1093/icvts/ivx413] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 12/02/2017] [Indexed: 01/31/2023] Open
Abstract
OBJECTIVES Durability of bioscaffolds cross-linked with glutaraldehyde and used in cardiovascular surgery is limited by biomechanical instability, calcification and reduced biocompatibility. This study compares CardioCel®, a bovine pericardial scaffold engineered via the ADAPT® process to ensure optimized biostability and biocompatibility, with the commonly used bioscaffolds. METHODS Bovine pericardial scaffolds, cross-linked with 0.6% glutaraldehyde (XenoLogiX™, PeriGuard®), dye-mediated photo-oxidized (PhotoFix™) and a non-crosslinked porcine scaffold (CorMatrix®), were compared with CardioCel (decellularized, cross-linked with 0.05% monomeric glutaraldehyde, detoxified) by thermal stability and mechanical tests. Biocompatibility and calcification were assessed in a juvenile subcutaneous rat model at 6 and 12 weeks. RESULTS CardioCel displayed significantly higher (P < 0.01) cross-link stability (77.99 ± 0.64 °C) than CorMatrix (57.88 ± 0.22 °C) and PhotoFix (53.96 ± 0.41 °C). Tensile strength of CardioCel (8.31 ± 3.36 MPa) was comparable with XenoLogiX (11.00 ± 5.43 MPa, P = 0.734), PeriGuard (16.44 ± 6.69 MPa, P = 0.136), PhotoFix (7.10 ± 6.11, P = 0.399) and CorMatrix (9.75 ± 2.61, P = 0.204). XenoLogiX and PeriGuard recorded the highest Young's modulus (67.01 ± 30.36 vs 95.67 ± 45.91 MPa), while CardioCel (50.21 ± 19.92 MPa) was comparable with CorMatrix (36.78 ± 10.47 MPa, P = 0.204) and PhotoFix (33.50 ± 10.24, P = 0.399). CorMatrix displayed a significantly (P < 0.05) greater stiffness (4.74 ± 0.77 MPa) at 10% strain than PeriGuard (3.73 ± 1.79 MPa), PhotoFix (1.59 ± 0.40 MPa) and CardioCel (3.39 ± 0.83 MPa). Differences in extractable calcium did not reach significance; however, the inorganic phosphorus content of PhotoFix (21.3 ± 9.0 µg/mg) was higher than CardioCel (11.35 ± 0.76 µg/mg, P = 0.004) or PeriGuard (10.7 ± 2.18 µg/mg, P = 0.002) at 12 weeks. CardioCel underwent a typical mild host-graft response with fibroblast infiltration and remodelling. Foreign body reactions were visible in both XenoLogiX and PeriGuard, with isolated fibroblast infiltration. PhotoFix showed severe inflammation and 2 implants were completely degraded at 12 weeks. CONCLUSIONS CardioCel demonstrated optimized physical properties, minimal mineralization potential and superior biocompatibility. These results may benefit the long-term performance of this bioscaffold for cardiovascular surgery. The favourable characteristics of the comparator products were counterbalanced by less desirable features that may have negative implications on durability and performance when used in cardiovascular procedures.
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Affiliation(s)
| | - Kirsten Puls
- Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC, Australia
| | - Alethea Rea
- Centre for Applied Statistics, University of Western Australia, Perth, WA, Australia
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Abstract
Cardioprotective engineering is an emerging bioengineering discipline aiming to develop engineering strategies to optimize cardioprotective actions against cardiac injuries and disorders. Although there exist innate cardioprotective mechanisms capable of supporting cardiomyocyte survival in response to an insult, not all these mechanisms are optimized in promptness and effectiveness, suggesting the necessity of cardioprotective engineering. Various cardioprotective strategies have been developed and used in experimental and clinical investigations; however, few of these strategies have exerted a significant clinical impact. There are two major challenges in cardioprotective engineering - understanding the innate cardioprotective mechanisms and developing engineering strategies for precise control of the types, levels, timing, and coordination of cardioprotective actions to facilitate recovery from injuries and disorders. Understanding the innate mechanisms is the foundation for developing cardioprotective engineering strategies. Here, ischemic myocardial injury is used as an example to demonstrate the concept of cardioprotective engineering.
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Affiliation(s)
- Shu Q Liu
- Biomedical Engineering Department, Northwestern University, 2145 Sheridan Road, Evanston IL, 60208-3107
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Cheraghi M, Pooria A. A review: Nanofibrous scaffold in possible prevention and treatment of coronary artery disease. Biotechnol Appl Biochem 2019; 66:478-483. [PMID: 30953379 DOI: 10.1002/bab.1750] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Accepted: 04/02/2019] [Indexed: 12/19/2022]
Abstract
Nanofibrous scaffolds have potential to improve coronary stent applications by promoting endothelial recovery on the stent surface and aids regeneration of cardiac tissues. Presently, scaffolds fabricated via electro-spinning are been widely used because of their ability to bio-mimic the precise anatomical structure of the protein fibers. Properties like convenience to spin on several components and functionalization with several bioactive molecules have signify the use of nanofibrous scaffolds for tissue engineering. This review highlights some recent applications of electrospun nanofibrous scaffolds in the treatment and management of cardiac arterial diseases and engineering new cardiac tissues.
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Affiliation(s)
- Mostafa Cheraghi
- Department of Cardiology, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Ali Pooria
- Department of Cardiology, Lorestan University of Medical Sciences, Khoramabad, Iran
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Sheikhi A, de Rutte J, Haghniaz R, Akouissi O, Sohrabi A, Di Carlo D, Khademhosseini A. Microfluidic-enabled bottom-up hydrogels from annealable naturally-derived protein microbeads. Biomaterials 2019; 192:560-568. [PMID: 30530245 PMCID: PMC6400213 DOI: 10.1016/j.biomaterials.2018.10.040] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 10/27/2018] [Accepted: 10/28/2018] [Indexed: 01/15/2023]
Abstract
Naturally-derived proteins, such as collagen, elastin, fibroin, and gelatin (denatured collagen) hold a remarkable promise for tissue engineering and regenerative medicine. Gelatin methacryloyl (GelMA), synthesized from the methacryloyl modification of gelatin, mimicking the structure of extracellular matrix, has widely been used as a universal multi-responsive scaffold for a broad spectrum of applications, spanning from cell therapy to bioprinting and organoid development. Despite the widespread applications of GelMA, coupled stiffness and porosity has inhibited its applications in 3D cellular engineering wherein a stiff scaffold with large pores is demanded (e.g., at concentrations >10 wt%). Taking advantage of the orthogonal thermo-chemical responsivity of GelMA, we have developed microfluidic-assisted annealable GelMA beads, that are first stabilized by temperature-mediated physical crosslinking, flowed to form a scaffold structure, and then chemically annealed using light to fabricate novel bead-based 3D GelMA scaffolds with high mechanical resilience. We show how beaded GelMA (B-GelMA) provides a self-standing microporous environment with an orthogonal void fraction and stiffness, promoting cell adhesion, proliferation, and rapid 3D seeding at a high polymer concentration (∼20 wt%) that would otherwise be impossible for bulk GelMA. B-GelMA, decorated with methacryloyl and arginylglycylaspartic acid (RGD) peptide motifs, does not require additional functionalization for annealing and cell adhesion, providing a versatile biorthogonal platform with orthogonal stiffness and porosity for a myriad of biomedical applications. This technology provides a universal method to convert polymeric materials with orthogonal physico-chemical responsivity to modular platforms, opening a new horizon for converting bulk hydrogels to beaded hydrogels (B-hydrogels) with decoupled porosity and stiffness.
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Affiliation(s)
- Amir Sheikhi
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Joseph de Rutte
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Reihaneh Haghniaz
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Outman Akouissi
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Alireza Sohrabi
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Dino Di Carlo
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Centre, University of California - Los Angeles, 10833 Le Conte Ave, Los Angeles, CA 90024, USA.
| | - Ali Khademhosseini
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Centre, University of California - Los Angeles, 10833 Le Conte Ave, Los Angeles, CA 90024, USA; Department of Radiological Sciences, David Geffen School of Medicine, University of California - Los Angeles, 10833 Le Conte Ave, Los Angeles, CA 90095, USA; Department of Chemical and Biomolecular Engineering, University of California - Los Angeles, 5531 Boelter Hall, Los Angeles, CA 90095, USA; Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul, 143-701, Republic of Korea.
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Abstract
Tissue engineering (TE) and regenerative medicine are progressively developed areas due to many novel tissue replacements and implementation strategies. Increasing knowledge involving the fabrication of biomaterials with advanced physicochemical and biological characteristics, successful isolation and preparation of stem cells, incorporation of growth and differentiation factors, and biomimetic environments gives us a unique opportunity to develop various types of scaffolds for TE. The current strategies for soft tissue reconstitution or regeneration highlight the importance of novel regenerative therapies in cases of significant soft tissue loss and in cases of congenital defects, disease, trauma and ageing. Various types of biomaterials and scaffolds have been tested for soft tissue regeneration. The synthetic types of materials have gained great attention due to high versatility, tunability and easy functionalization for better biocompatibility. This article reviews the current materials that are usually the most used for the fabrication of scaffolds for soft TE; in addition, the types of scaffolds together with examples of their applications for the regenerative purposes of soft tissue, as well as their major physicochemical characteristics regarding the increased applicability of these materials in medicine, are reviewed.
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Affiliation(s)
- O Janoušková
- Department of Biological Models, Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Prague 6, Czech Republic.
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Mohee L, Offeddu G, Husmann A, Oyen M, Cameron R. Investigation of the intrinsic permeability of ice-templated collagen scaffolds as a function of their structural and mechanical properties. Acta Biomater 2019; 83:189-198. [PMID: 30366136 DOI: 10.1016/j.actbio.2018.10.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 10/17/2018] [Accepted: 10/22/2018] [Indexed: 01/14/2023]
Abstract
Collagen scaffolds are widely used in a range of tissue engineering applications, both in vitro and in vivo, where their permeability to fluid flow greatly affects their mechanical and biological functionality. This paper reports new insights into the interrelationships between permeability, scaffold structure, fluid pressure and deformation in collagen scaffolds, focussing in particular on the degree of closure and the alignment of the pores. Isotropic and aligned scaffolds of different occlusivity were produced by ice templating, and were characterised in terms of their structure and mechanical properties. Permeability studies were conducted using two experimental set-ups to cover a wide range of applied fluid pressures. The permeability was found to be constant at low pressures for a given scaffold with more open structures and aligned structures being more permeable. The deformation of scaffolds under high pressure led to a decrease in permeability. The aligned structures were more responsive to deformation than their isotropic equivalents with their permeability falling more quickly at low strain. For isotropic samples, a broad (1 - ɛ)2 dependence for permeability was observed with the constant of proportionality varying with collagen fraction as the starting structures became more occluded. Aligned scaffolds did not follow the same behaviour, with the pores apparently closing more quickly in response to early deformation. These results highlight the importance of scaffold structure in determining permeability to interstitial fluid, and provide an understanding of scaffold behaviour within the complex mechanical environment of the body. STATEMENT OF SIGNIFICANCE: Collagen scaffolds are widely used in tissue engineering applications, for instance to contribute with wound healing. Their permeability to fluid flow, such as water and blood, is important to ensure they perform efficiently when inside the body. The present study reports new insights into the relationships between permeability, scaffold structure, fluid pressure and deformation in collagen scaffolds. It presents in particular the experimental setups used to measure these properties and the result of comparisons between collagen scaffolds with different structures: aligned and isotropic (non-aligned). It indicates quantitative differences in terms of permeability, and the effects of compression on such permeability. The results contribute to the development and understanding of collagen scaffolds and their applications.
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Ashammakhi N, Ahadian S, Darabi MA, El Tahchi M, Lee J, Suthiwanich K, Sheikhi A, Dokmeci MR, Oklu R, Khademhosseini A. Minimally Invasive and Regenerative Therapeutics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804041. [PMID: 30565732 PMCID: PMC6709364 DOI: 10.1002/adma.201804041] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/20/2018] [Indexed: 05/03/2023]
Abstract
Advances in biomaterial synthesis and fabrication, stem cell biology, bioimaging, microsurgery procedures, and microscale technologies have made minimally invasive therapeutics a viable tool in regenerative medicine. Therapeutics, herein defined as cells, biomaterials, biomolecules, and their combinations, can be delivered in a minimally invasive way to regenerate different tissues in the body, such as bone, cartilage, pancreas, cardiac, skeletal muscle, liver, skin, and neural tissues. Sophisticated methods of tracking, sensing, and stimulation of therapeutics in vivo using nano-biomaterials and soft bioelectronic devices provide great opportunities to further develop minimally invasive and regenerative therapeutics (MIRET). In general, minimally invasive delivery methods offer high yield with low risk of complications and reduced costs compared to conventional delivery methods. Here, minimally invasive approaches for delivering regenerative therapeutics into the body are reviewed. The use of MIRET to treat different tissues and organs is described. Although some clinical trials have been performed using MIRET, it is hoped that such therapeutics find wider applications to treat patients. Finally, some future perspective and challenges for this emerging field are highlighted.
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Affiliation(s)
- Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Division of Plastic Surgery, Department of Surgery, Oulu University, Oulu, Finland
| | - Samad Ahadian
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Mohammad Ali Darabi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Mario El Tahchi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- LBMI, Department of Physics, Lebanese University - Faculty of Sciences 2, PO Box 90656, Jdeidet, Lebanon
| | - Junmin Lee
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Kasinan Suthiwanich
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo, Japan
| | - Amir Sheikhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Mehmet R. Dokmeci
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Rahmi Oklu
- Division of Interventional Radiology, Department of Radiology, Mayo Clinic, Scottsdale, USA
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California - Los Angeles, Los Angeles, California, USA
- California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Department of Radiological Sciences, University of California - Los Angeles, Los Angeles, California, USA
- Department of Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, California, USA
- Center of Nanotechnology, Department of Physics, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul, Republic of Korea
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Hu JB, Tomov ML, Buikema JW, Chen C, Mahmoudi M, Wu SM, Serpooshan V. Cardiovascular tissue bioprinting: Physical and chemical processes. APPLIED PHYSICS REVIEWS 2018; 5:041106. [PMID: 32550960 PMCID: PMC7187889 DOI: 10.1063/1.5048807] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 09/24/2018] [Indexed: 05/08/2023]
Abstract
Three-dimensional (3D) cardiac tissue bioprinting occupies a critical crossroads position between the fields of materials engineering, cardiovascular biology, 3D printing, and rational organ replacement design. This complex area of research therefore requires expertise from all those disciplines and it poses some unique considerations that must be accounted for. One of the chief hurdles is that there is a relatively limited systematic organization of the physical and chemical characteristics of bioinks that would make them applicable to cardiac bioprinting. This is of great significance, as heart tissue is functionally complex and the in vivo extracellular niche is under stringent controls with little room for variability before a cardiomyopathy manifests. This review explores the critical parameters that are necessary for biologically relevant bioinks to successfully be leveraged for functional cardiac tissue engineering, which can have applications in in vitro heart tissue models, cardiotoxicity studies, and implantable constructs that can be used to treat a range of cardiomyopathies, or in regenerative medicine.
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Affiliation(s)
- James B. Hu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California 94305, USA
| | | | | | - Caressa Chen
- Department of General Surgery, Loyola University Medical Center, Maywood, Illinois 60153, USA
| | | | | | - Vahid Serpooshan
- Author to whom correspondence should be addressed: . Present address: 1760 Haygood Dr. NE, HSRB Bldg., Suite E480, Atlanta, Georgia 30322, USA. Telephone: 404-712-9717. Fax: 404-727-9873
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Mantakaki A, Fakoya AOJ, Sharifpanah F. Recent advances and challenges on application of tissue engineering for treatment of congenital heart disease. PeerJ 2018; 6:e5805. [PMID: 30386701 PMCID: PMC6204240 DOI: 10.7717/peerj.5805] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 09/21/2018] [Indexed: 12/11/2022] Open
Abstract
Congenital heart disease (CHD) affects a considerable number of children and adults worldwide. This implicates not only developmental disorders, high mortality, and reduced quality of life but also, high costs for the healthcare systems. CHD refers to a variety of heart and vascular malformations which could be very challenging to reconstruct the malformed region surgically, especially when the patient is an infant or a child. Advanced technology and research have offered a better mechanistic insight on the impact of CHD in the heart and vascular system of infants, children, and adults and identified potential therapeutic solutions. Many artificial materials and devices have been used for cardiovascular surgery. Surgeons and the medical industry created and evolved the ball valves to the carbon-based leaflet valves and introduced bioprosthesis as an alternative. However, with research further progressing, contracting tissue has been developed in laboratories and tissue engineering (TE) could represent a revolutionary answer for CHD surgery. Development of engineered tissue for cardiac and aortic reconstruction for developing bodies of infants and children can be very challenging. Nevertheless, using acellular scaffolds, allograft, xenografts, and autografts is already very common. Seeding of cells on surface and within scaffold is a key challenging factor for use of the above. The use of different types of stem cells has been investigated and proven to be suitable for tissue engineering. They are the most promising source of cells for heart reconstruction in a developing body, even for adults. Some stem cell types are more effective than others, with some disadvantages which may be eliminated in the future.
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Affiliation(s)
| | | | - Fatemeh Sharifpanah
- Department of Physiology, Faculty of Medicine, Justus Liebig University, Giessen, Germany
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Allogeneic Mesenchymal Stem Cells and Biomaterials: The Perfect Match for Cardiac Repair? Int J Mol Sci 2018; 19:ijms19103236. [PMID: 30347686 PMCID: PMC6213975 DOI: 10.3390/ijms19103236] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 12/11/2022] Open
Abstract
Coronary heart disease is the leading cause of death worldwide with huge socio-economic consequences. Cell therapy, and particularly mesenchymal stem cells (MSC), are considered a promising option to treat this disorder, due to their robust trophic and immunomodulatory properties. However, limitations such as their low rate of engraftment and poor survival after administration into the heart have precluded their large-scale clinical use. Nevertheless, the combination of MSC with polymer-made scaffolds or hydrogels has proven to enhance their retention and, therefore, their efficacy. Additionally, their allogeneic use could permit the creation of ready-to-use cell patches able to improve their feasibility and promote their application in clinical settings. In this review, the experimental and clinical results derived from the use of MSC in cardiac pathology, as well as advances in the bioengineering field to improve the potential of therapeutic cells, are extensively discussed. Additionally, the current understanding of the heart response to the allogeneic MSC transplants is addressed.
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Arslan YE, Galata YF, Sezgin Arslan T, Derkus B. Trans-differentiation of human adipose-derived mesenchymal stem cells into cardiomyocyte-like cells on decellularized bovine myocardial extracellular matrix-based films. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:127. [PMID: 30056552 DOI: 10.1007/s10856-018-6135-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/20/2018] [Indexed: 06/08/2023]
Abstract
In this study, we aimed at fabricating decellularized bovine myocardial extracellular matrix-based films (dMEbF) for cardiac tissue engineering (CTE). The decellularization process was carried out utilizing four consecutive stages including hypotonic treatment, detergent treatment, enzymatic digestion and decontamination, respectively. In order to fabricate the dMEbF, dBM were digested with pepsin and gelation process was conducted. dMEbF were then crosslinked with N-hydroxysuccinimide/1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide (NHS/EDC) to increase their durability. Nuclear contents of native BM and decellularized BM (dBM) tissues were determined with DNA content analysis and agarose-gel electrophoresis. Cell viability on dMEbF for 3rd, 7th, and 14th days was assessed by MTT assay. Cell attachment on dMEbF was also studied by scanning electron microscopy. Trans-differentiation capacity of human adipose-derived mesenchymal stem cells (hAMSCs) into cardiomyocyte-like cells on dMEbF were also evaluated by histochemical and immunohistochemical analyses. DNA contents for native and dBM were, respectively, found as 886.11 ± 164.85 and 47.66 ± 0.09 ng/mg dry weight, indicating a successful decellularization process. The results of glycosaminoglycan and hydroxyproline assay, and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), performed in order to characterize the extracellular matrix (ECM) composition of native and dBM tissue, showed that the BM matrix was not damaged during the proposed method. Lastly, regarding the histological study, dMEbF not only mimics native ECM, but also induces the stem cells into cardiomyocyte-like cells phenotype which brings it the potential of use in CTE.
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Affiliation(s)
- Yavuz Emre Arslan
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey.
| | - Yusuf Furkan Galata
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey
| | - Tugba Sezgin Arslan
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey
| | - Burak Derkus
- Department of Biomedical Engineering, Engineering Faculty, Eskisehir Osmangazi University, Eskisehir, 26480, Turkey
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Castaldo C, Chimenti I. Cardiac Progenitor Cells: The Matrix Has You. Stem Cells Transl Med 2018; 7:506-510. [PMID: 29688622 PMCID: PMC6052608 DOI: 10.1002/sctm.18-0023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 03/27/2018] [Indexed: 12/14/2022] Open
Abstract
Components of the cardiac extracellular matrix (ECM) are synthesized by residing cells and are continuously remodeled by them. Conversely, residing cells (including primitive cells) receive constant biochemical and mechanical signals from the ECM that modulate their biology. The pathological progression of heart failure affects all residing cells, inevitably causing profound changes in ECM composition and architecture that, in turn, impact on cell phenotypes. Any regenerative medicine approach must aim at sustaining microenvironment conditions that favor cardiogenic commitment of therapeutic cells and minimize pro‐fibrotic signals, while conversely boosting the capacity of therapeutic cells to counteract adverse remodeling of the ECM. In this Perspective article, we discuss multiple issues about the features of an optimal scaffold for supporting cardiac tissue engineering strategies with cardiac progenitor cells, and, conversely, about the possible antifibrotic mechanisms induced by cell therapy. Stem Cells Translational Medicine2018;7:506–510
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Affiliation(s)
- Clotilde Castaldo
- Department of Public Health, University of Naples "Federico II", Naples, Italy
| | - Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
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Kant RJ, Coulombe KLK. Integrated approaches to spatiotemporally directing angiogenesis in host and engineered tissues. Acta Biomater 2018; 69:42-62. [PMID: 29371132 PMCID: PMC5831518 DOI: 10.1016/j.actbio.2018.01.017] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 12/15/2017] [Accepted: 01/15/2018] [Indexed: 12/14/2022]
Abstract
The field of tissue engineering has turned towards biomimicry to solve the problem of tissue oxygenation and nutrient/waste exchange through the development of vasculature. Induction of angiogenesis and subsequent development of a vascular bed in engineered tissues is actively being pursued through combinations of physical and chemical cues, notably through the presentation of topographies and growth factors. Presenting angiogenic signals in a spatiotemporal fashion is beginning to generate improved vascular networks, which will allow for the creation of large and dense engineered tissues. This review provides a brief background on the cells, mechanisms, and molecules driving vascular development (including angiogenesis), followed by how biomaterials and growth factors can be used to direct vessel formation and maturation. Techniques to accomplish spatiotemporal control of vascularization include incorporation or encapsulation of growth factors, topographical engineering, and 3D bioprinting. The vascularization of engineered tissues and their application in angiogenic therapy in vivo is reviewed herein with an emphasis on the most densely vascularized tissue of the human body - the heart. STATEMENT OF SIGNIFICANCE Vascularization is vital to wound healing and tissue regeneration, and development of hierarchical networks enables efficient nutrient transfer. In tissue engineering, vascularization is necessary to support physiologically dense engineered tissues, and thus the field seeks to induce vascular formation using biomaterials and chemical signals to provide appropriate, pro-angiogenic signals for cells. This review critically examines the materials and techniques used to generate scaffolds with spatiotemporal cues to direct vascularization in engineered and host tissues in vitro and in vivo. Assessment of the field's progress is intended to inspire vascular applications across all forms of tissue engineering with a specific focus on highlighting the nuances of cardiac tissue engineering for the greater regenerative medicine community.
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Affiliation(s)
- Rajeev J Kant
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, RI, USA
| | - Kareen L K Coulombe
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, RI, USA.
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40
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Saporito F, Sandri G, Bonferoni MC, Rossi S, Malavasi L, Fante CD, Vigani B, Black L, Ferrari F. Electrospun Gelatin⁻Chondroitin Sulfate Scaffolds Loaded with Platelet Lysate Promote Immature Cardiomyocyte Proliferation. Polymers (Basel) 2018; 10:polym10020208. [PMID: 30966244 PMCID: PMC6415061 DOI: 10.3390/polym10020208] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 02/15/2018] [Accepted: 02/20/2018] [Indexed: 12/11/2022] Open
Abstract
The aim of the present work was the development of heart patches based on gelatin (G) and chondroitin sulfate (CS) to be used as implants to improve heart recovery after corrective surgery for critical congenital heart defects (CHD). Patches were prepared by means of electrospinning to obtain nanofibrous scaffolds and they were loaded with platelet lysate (PL) as a source of growth factors to further enhance the repair process. Scaffolds were characterized for morphology and mechanical properties and for the capability to support in vitro adhesion and proliferation of dermal fibroblasts in order to assess the system’s general biocompatibility. Adhesion and proliferation of endothelial cells and cardiac cells (cardiomyocytes and cardiac fibroblasts from rat fetuses) onto PL-loaded patches was evaluated. Patches presented good elasticity and high stiffness suitable for in vivo adaptation to heart contraction. CS improved adhesion and proliferation of dermal fibroblasts, as proof of their biocompatibility. Moreover, they enhanced the adhesion and proliferation of endothelial cells, a crucial mediator of cardiac repair. Cell adhesion and proliferation could be related to elastic properties, which could favor cell motility. The presence of platelet lysate and CS was crucial for the adhesion and proliferation of cardiac cells and, in particular, of cardiomyocytes: G/CS scaffold embedded with PL appeared to selectively promote proliferation in cardiomyocytes but not cardiac fibroblasts. In conclusion, G/CS scaffold seems to be a promising system to assist myocardial-repair processes in young patient, preserving cardiomyocyte viability and preventing cardiac fibroblast proliferation, likely reducing subsequent uncontrolled collagen deposition by fibroblasts following repair.
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Affiliation(s)
- Francesca Saporito
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy.
| | - Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy.
| | | | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy.
| | - Lorenzo Malavasi
- Department of Chemistry, Physical Chemistry Section, University of Pavia, Viale Taramelli 16, 27100 Pavia, Italy.
| | - Claudia Del Fante
- Immunohaematology and Transfusion Service, Apheresis and Cell Therapy Unit, Fondazione IRCCS Policlinico S. Matteo, Viale Golgi 19, Pavia 27100, Italy.
| | - Barbara Vigani
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy.
| | - Lauren Black
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA.
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy.
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Abstract
Bioscaffolds serve as structures for cells in building complex tissues and full organs including heart. Decellularizing cardiac tissue results in cell-free extracellular matrix (ECM) that can be used as a cardiac tissue bioscaffold. The field of whole-heart tissue engineering has been revolutionized since the 2008 publication of the first perfusion-decellularized whole heart, and since then, studies have shown how decellularized cardiac tissue retains its native architecture and biochemistry following recellularization. Chemical, enzymatic, and physical decellularization methods preserve the ECM to varying degrees with the widely accepted standard of less than 50 ng/mg of double-stranded DNA present in decellularized ECM. Following decellularization, replacement of cells occurs via recellularization: seeding cells into the decellularized ECM structure either via perfusion of cells into the vascular conduits, injection into parenchyma, or a combination of perfusion and injection. Endothelial cells are often perfused through existing vessel conduits to provide an endothelial lining of the vasculature, with cardiomyocytes and other parenchymal cells injected into the myocardium of decellularized ECM bioscaffolds. Uniform cell density and cell retention throughout the bioscaffold still needs to be addressed in larger animal models of the whole heart. Generating the necessary cell numbers and types remains a challenge. Still, recellularized cardiac tissue bioscaffolds offer therapeutic solutions to heart failure, heart valve replacement, and acute myocardial infarction. New technologies allow for decellularized ECM to be bioprinted into cardiac bioscaffolds or formed into a cardiac hydrogel patch. This chapter reviews the advances made in decellularization and recellularization of cardiac ECM bioscaffolds with a discussion of the potential clinical applications of ECM bioscaffolds.
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42
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Gorabi AM, Tafti SHA, Soleimani M, Panahi Y, Sahebkar A. Cells, Scaffolds and Their Interactions in Myocardial Tissue Regeneration. J Cell Biochem 2017; 118:2454-2462. [DOI: 10.1002/jcb.25912] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 01/25/2017] [Indexed: 01/08/2023]
Affiliation(s)
| | | | - Masoud Soleimani
- Faculty of Medical Sciences; Hematology Department; Tarbiat Modarres University; Tehran Iran
| | - Yunes Panahi
- Chemical Injuries Research Center; Baqiyatallah University of Medical Sciences; Tehran Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center; Mashhad University of Medical Sciences; Mashhad Iran
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Kitsara M, Agbulut O, Kontziampasis D, Chen Y, Menasché P. Fibers for hearts: A critical review on electrospinning for cardiac tissue engineering. Acta Biomater 2017; 48:20-40. [PMID: 27826001 DOI: 10.1016/j.actbio.2016.11.014] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 10/17/2016] [Accepted: 11/03/2016] [Indexed: 12/11/2022]
Abstract
Cardiac cell therapy holds a real promise for improving heart function and especially of the chronically failing myocardium. Embedding cells into 3D biodegradable scaffolds may better preserve cell survival and enhance cell engraftment after transplantation, consequently improving cardiac cell therapy compared with direct intramyocardial injection of isolated cells. The primary objective of a scaffold used in tissue engineering is the recreation of the natural 3D environment most suitable for an adequate tissue growth. An important aspect of this commitment is to mimic the fibrillar structure of the extracellular matrix, which provides essential guidance for cell organization, survival, and function. Recent advances in nanotechnology have significantly improved our capacities to mimic the extracellular matrix. Among them, electrospinning is well known for being easy to process and cost effective. Consequently, it is becoming increasingly popular for biomedical applications and it is most definitely the cutting edge technique to make scaffolds that mimic the extracellular matrix for industrial applications. Here, the desirable physico-chemical properties of the electrospun scaffolds for cardiac therapy are described, and polymers are categorized to natural and synthetic.Moreover, the methods used for improving functionalities by providing cells with the necessary chemical cues and a more in vivo-like environment are reported.
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Broughton KM, Sussman MA. Myocardial Regeneration for Humans ― Modifying Biology and Manipulating Evolution ―. Circ J 2017; 81:142-148. [DOI: 10.1253/circj.cj-16-1228] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kathleen M. Broughton
- San Diego State University Heart Institute and the Integrated Regenerative Research Institute
| | - Mark A. Sussman
- San Diego State University Heart Institute and the Integrated Regenerative Research Institute
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45
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Affiliation(s)
- Milica Radisic
- Institute of Biomaterials and Biomedical Engineering, Department of Chemical Engineering and Applied Chemistry, University of Toronto, Canada. Heart and Stroke
- Richard Lewar Centre of Excellence, University of Toronto, Canada
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