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Asl SK, Rahimzadegan M, Asl AK. Progress in cardiac tissue engineering and regeneration: Implications of gelatin-based hybrid scaffolds. Int J Biol Macromol 2024; 261:129924. [PMID: 38311143 DOI: 10.1016/j.ijbiomac.2024.129924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/06/2024] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
Cardiovascular diseases, particularly myocardial infarction (MI), remain a leading cause of morbidity and mortality worldwide. Current treatments for MI, more palliative than curative, have limitations in reversing the disease completely. Tissue engineering (TE) has emerged as a promising strategy to address this challenge and may lead to improved therapeutic approaches for MI. Gelatin-based scaffolds, including gelatin and its derivative, gelatin methacrylate (GelMA), have attracted significant attention in cardiac tissue engineering (CTE) due to their optimal physical and biochemical properties and capacity to mimic the native extracellular matrix (ECM). CTE mainly recruits two classes of gelatin/GelMA-based scaffolds: hydrogels and nanofibrous. This article reviews state-of-the-art gelatin/GelMA-based hybrid scaffolds currently applied for CTE and regenerative therapy. Hybrid scaffolds, fabricated by combining gelatin/GelMA hydrogel or nanofibrous scaffolds with other materials such as natural/synthetic polymers, nanoparticles, protein-based biomaterials, etc., are explored for enhanced cardiac tissue regeneration functionality. The engraftment of stem/cardiac cells, bioactive molecules, or drugs into these hybrid systems shows great promise in cardiac tissue repair and regeneration. Finally, the role of gelatin/GelMA scaffolds combined with the 3D bioprinting strategy in CTE will also be briefly highlighted.
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Affiliation(s)
- Siamak Kazemi Asl
- Deputy of Education, Ministry of Health and Medical Education, Tehran, Iran.
| | - Milad Rahimzadegan
- Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Kazemi Asl
- Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Ishikawa S, Kamata H, Chung UI, Sakai T. Tissue-Adhesive Hydrogel Spray System for Live Cell Immobilization on Biological Surfaces. ACS APPLIED BIO MATERIALS 2023; 6:4613-4619. [PMID: 37467040 DOI: 10.1021/acsabm.3c00378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Gelatin hydrogels are used as three-dimensional cell scaffolds and can be prepared using various methods. One widely accepted approach involves crosslinking gelatin amino groups with poly(ethylene glycol) (PEG) modified with N-hydroxysuccinimide ester (PEG-NHS). This method enables the encapsulation of live cells within the hydrogels and also facilitates the adhesion of the hydrogel to biological tissues by crosslinking their surface amino groups. Consequently, these hydrogels are valuable tools for immobilizing cells that secrete beneficial substances in vivo. However, the application of gelatin hydrogels is limited due to the requirement for several minutes to solidify under conditions of neutral pH and polymer concentrations suitable for live cells. This limitation makes it impractical for use with biological tissues, which have complex shapes or inclined surfaces, restricting its application to semi-closed spaces. In this study, we propose a tissue-adhesive hydrogel that can be sprayed and immobilized with live cells on biological tissue surfaces. This hydrogel system combines two components: (1) gelatin/PEG-NHS hydrogels and (2) instantaneously solidifying PEG hydrogels. The sprayed hydrogel solidified within 5 s after dispensing while maintaining the adhesive properties of the PEG-NHS component. The resulting hydrogels exhibited protein permeability, and the viability of encapsulated human mesenchymal stem/stromal cells (hMSCs) remained above 90% for at least 7 days. This developed hydrogel system represents a promising approach for immobilizing live cells on tissue surfaces with complex shapes.
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Affiliation(s)
- Shohei Ishikawa
- Department of Chemistry & Biotechnology, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Hiroyuki Kamata
- Department of Chemistry & Biotechnology, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Ung-Il Chung
- Department of Bioengineering, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Takamasa Sakai
- Department of Chemistry & Biotechnology, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
- Department of Bioengineering, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
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Gupta S, Sharma A, Petrovski G, Verma RS. Vascular reconstruction of the decellularized biomatrix for whole-organ engineering-a critical perspective and future strategies. Front Bioeng Biotechnol 2023; 11:1221159. [PMID: 38026872 PMCID: PMC10680456 DOI: 10.3389/fbioe.2023.1221159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 10/09/2023] [Indexed: 12/01/2023] Open
Abstract
Whole-organ re-engineering is the most challenging goal yet to be achieved in tissue engineering and regenerative medicine. One essential factor in any transplantable and functional tissue engineering is fabricating a perfusable vascular network with macro- and micro-sized blood vessels. Whole-organ development has become more practical with the use of the decellularized organ biomatrix (DOB) as it provides a native biochemical and structural framework for a particular organ. However, reconstructing vasculature and re-endothelialization in the DOB is a highly challenging task and has not been achieved for constructing a clinically transplantable vascularized organ with an efficient perfusable capability. Here, we critically and articulately emphasized factors that have been studied for the vascular reconstruction in the DOB. Furthermore, we highlighted the factors used for vasculature development studies in general and their application in whole-organ vascular reconstruction. We also analyzed in detail the strategies explored so far for vascular reconstruction and angiogenesis in the DOB for functional and perfusable vasculature development. Finally, we discussed some of the crucial factors that have been largely ignored in the vascular reconstruction of the DOB and the future directions that should be addressed systematically.
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Affiliation(s)
- Santosh Gupta
- Stem Cell and Molecular Biology, Laboratory, Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences. Indian Institute of Technology Madras, Chennai, India
- Center for Eye Research and Innovative Diagnostics, Department of Ophthalmology, Institute for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Akriti Sharma
- Stem Cell and Molecular Biology, Laboratory, Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences. Indian Institute of Technology Madras, Chennai, India
| | - Goran Petrovski
- Center for Eye Research and Innovative Diagnostics, Department of Ophthalmology, Institute for Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital, Oslo, Norway
- Department of Ophthalmology, University of Split School of Medicine and University Hospital Centre, Split, Croatia
| | - Rama Shanker Verma
- Stem Cell and Molecular Biology, Laboratory, Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences. Indian Institute of Technology Madras, Chennai, India
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Kim J, Raja N, Choi YJ, Gal CW, Sung A, Park H, Yun HS. Enhancement of properties of a cell-laden GelMA hydrogel-based bioink via calcium phosphate phase transition. Biofabrication 2023; 16:015010. [PMID: 37871585 DOI: 10.1088/1758-5090/ad05e2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 10/23/2023] [Indexed: 10/25/2023]
Abstract
To improve the properties of the hydrogel-based bioinks, a calcium phosphate phase transition was applied, and the products were examined. We successfully enhanced the mechanical properties of the hydrogels by adding small amounts (< 0.5 wt%) of alpha-tricalcium phosphate (α-TCP) to photo-crosslinkable gelatin methacrylate (GelMA). As a result of the hydrolyzing calcium phosphate phase transition involvingα-TCP, which proceeded for 36 h in the cell culture medium, calcium-deficient hydroxyapatite was produced. Approximately 18 times the compressive modulus was achieved for GelMA with 0.5 wt%α-TCP (20.96 kPa) compared with pure GelMA (1.18 kPa). Although cell proliferation decreased during the early stages of cultivation, both osteogenic differentiation and mineralization activities increased dramatically when the calcium phosphate phase transition was performed with 0.25 wt%α-TCP. The addition ofα-TCP improved the printability and fidelity of GelMA, as well as the structural stability and compressive modulus (approximately six times higher) after three weeks of culturing. Therefore, we anticipate that the application of calcium phosphate phase transition to hydrogels may have the potential for hard tissue regeneration.
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Affiliation(s)
- Jueun Kim
- Department of Advanced Materials Engineering, University of Science and Technology, 217 Gajeon-ro, Yeseong-gu, Daejeon, Republic of Korea
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
| | - Naren Raja
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
| | - Yeong-Jin Choi
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
| | - Chang-Woo Gal
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
| | - Aram Sung
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
| | - Honghyun Park
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
| | - Hui-Suk Yun
- Department of Advanced Materials Engineering, University of Science and Technology, 217 Gajeon-ro, Yeseong-gu, Daejeon, Republic of Korea
- Department of Advanced Biomaterials Research, Ceramic Materials Division, Korea Institute of Materials Science, 797 Changwon-daero, Seongasna-gu, Changwon, Republic of Korea
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Zhang CY, Fu CP, Li XY, Lu XC, Hu LG, Kankala RK, Wang SB, Chen AZ. Three-Dimensional Bioprinting of Decellularized Extracellular Matrix-Based Bioinks for Tissue Engineering. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27113442. [PMID: 35684380 PMCID: PMC9182049 DOI: 10.3390/molecules27113442] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/19/2022] [Accepted: 05/24/2022] [Indexed: 01/01/2023]
Abstract
Three-dimensional (3D) bioprinting is one of the most promising additive manufacturing technologies for fabricating various biomimetic architectures of tissues and organs. In this context, the bioink, a critical element for biofabrication, is a mixture of biomaterials and living cells used in 3D printing to create cell-laden structures. Recently, decellularized extracellular matrix (dECM)-based bioinks derived from natural tissues have garnered enormous attention from researchers due to their unique and complex biochemical properties. This review initially presents the details of the natural ECM and its role in cell growth and metabolism. Further, we briefly emphasize the commonly used decellularization treatment procedures and subsequent evaluations for the quality control of the dECM. In addition, we summarize some of the common bioink preparation strategies, the 3D bioprinting approaches, and the applicability of 3D-printed dECM bioinks to tissue engineering. Finally, we present some of the challenges in this field and the prospects for future development.
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Affiliation(s)
- Chun-Yang Zhang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
| | - Chao-Ping Fu
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
- Correspondence: (C.-P.F.); (A.-Z.C.)
| | - Xiong-Ya Li
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
| | - Xiao-Chang Lu
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
| | - Long-Ge Hu
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
| | - Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
| | - Shi-Bin Wang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
| | - Ai-Zheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China; (C.-Y.Z.); (X.-Y.L.); (X.-C.L.); (L.-G.H.); (R.K.K.); (S.-B.W.)
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
- Correspondence: (C.-P.F.); (A.-Z.C.)
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Hochman-Mendez C, Mesquita FC, Morrissey J, da Costa EC, Hulsmann J, Tang-Quan K, Xi Y, Lee PF, Sampaio LC, Taylor DA. Restoring anatomical complexity of a left ventricle wall as a step toward bioengineering a human heart with human induced pluripotent stem cell-derived cardiac cells. Acta Biomater 2022; 141:48-58. [PMID: 34936938 DOI: 10.1016/j.actbio.2021.12.016] [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: 09/22/2021] [Revised: 11/09/2021] [Accepted: 12/14/2021] [Indexed: 11/01/2022]
Abstract
The heart is a highly complex, multicellular solid organ with energy-demanding processes that require a dense vascular network, extensive cell-cell interactions, and extracellular matrix (ECM)-mediated crosstalk among heterogeneous cell populations. Here, we describe the regeneration of left ventricular (LV) wall using decellularized whole rabbit heart scaffolds recellularized exclusively with human induced pluripotent stem cell-derived endothelial cells, cardiomyocytes, and other cardiac cell types. Cells were sequentially delivered to the scaffold using an optimized endothelial cell:cardiomyocyte media. Macroscopic assessment after 60 days showed that the LV wall of recellularized hearts was anatomically restored to full thickness from base to apex and endocardium to epicardium. Histologic analysis of the recellularized LV wall revealed a heterogeneous pool of cardiac cells containing aligned cardiac troponin T-positive cells in close contact with ECM; vessels varied from large artery-like, surrounded by smooth muscle actin+ cells, to capillary-like. Vessel patency was demonstrated after perfusion of recellularized hearts transplanted into the femoral artery bed of a pig. The construct exhibited visible beating and responded to chronotropic drug administration. These results demonstrate the ability to tissue engineer a vascularized, full-thickness LV wall with an unparalleled level of microanatomical organization and multicellular composition, using decellularized ECM and human cardiomyocytes, endothelial cells, and other cardiac cell types. STATEMENT OF SIGNIFICANCE: Decellularized extracellular matrix (ECM) is a bioactive template for tissue engineering, but recellularizing acellular whole heart scaffolds is challenging. Here, we successfully revascularized and repopulated a large, full-thickness portion of a ventricle using human induced pluripotent stem cell-derived endothelial and cardiac cells. At 60 days, histologic studies showed that the microanatomical organization and cellular composition of this region was similar to that of the native heart. The recellularized heart showed visible beating and responded appropriately to heartbeat-altering drugs. Vessels surrounded by smooth muscle cells and endothelial cells supported blood flow through the vessels of a recellularized heart that was surgically connected to a pig femoral artery. These findings move this approach closer to the possibility of clinical translation.
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Wolfe JT, Shradhanjali A, Tefft BJ. Strategies for improving endothelial cell adhesion to blood-contacting medical devices. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:1067-1092. [PMID: 34693761 DOI: 10.1089/ten.teb.2021.0148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The endothelium is a critical mediator of homeostasis on blood-contacting surfaces in the body, serving as a selective barrier to regulate processes such as clotting, immune cell adhesion, and cellular response to fluid shear stress. Implantable cardiovascular devices including stents, vascular grafts, heart valves, and left ventricular assist devices are in direct contact with circulating blood and carry a high risk for platelet activation and thrombosis without a stable endothelial cell (EC) monolayer. Development of a healthy endothelium on the blood-contacting surface of these devices would help ameliorate risks associated with thrombus formation and eliminate the need for long-term anti-platelet or anti-coagulation therapy. Although ECs have been seeded onto or recruited to these blood-contacting surfaces, most ECs are lost upon exposure to shear stress due to circulating blood. Many investigators have attempted to generate a stable EC monolayer by improving EC adhesion using surface modifications, material coatings, nanofiber topology, and modifications to the cells. Despite some success with enhanced EC retention in vitro and in animal models, no studies to date have proven efficacious for routinely creating a stable endothelium in the clinical setting. This review summarizes past and present techniques directed at improving the adhesion of ECs to blood-contacting devices.
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Affiliation(s)
- Jayne Taylor Wolfe
- Medical College of Wisconsin, 5506, Biomedical Engineering, 8701 Watertown Plank Rd, Milwaukee, Wisconsin, United States, 53226-0509;
| | - Akankshya Shradhanjali
- Medical College of Wisconsin, 5506, Biomedical Engineering, Milwaukee, Wisconsin, United States;
| | - Brandon J Tefft
- Medical College of Wisconsin, 5506, Biomedical Engineering, Milwaukee, Wisconsin, United States;
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Ahmed E, Saleh T, Xu M. Recellularization of Native Tissue Derived Acellular Scaffolds with Mesenchymal Stem Cells. Cells 2021; 10:cells10071787. [PMID: 34359955 PMCID: PMC8304639 DOI: 10.3390/cells10071787] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/03/2021] [Accepted: 07/12/2021] [Indexed: 12/22/2022] Open
Abstract
The functionalization of decellularized scaffolds is still challenging because of the recellularization-related limitations, including the finding of the most optimal kind of cell(s) and the best way to control their distribution within the scaffolds to generate native mimicking tissues. That is why researchers have been encouraged to study stem cells, in particular, mesenchymal stem cells (MSCs), as alternative cells to repopulate and functionalize the scaffolds properly. MSCs could be obtained from various sources and have therapeutic effects on a wide range of inflammatory/degenerative diseases. Therefore, in this mini-review, we will discuss the benefits using of MSCs for recellularization, the factors affecting their efficiency, and the drawbacks that may need to be overcome to generate bioengineered transplantable organs.
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Affiliation(s)
- Ebtehal Ahmed
- Department of Pathology, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt;
| | - Tarek Saleh
- Department of Animal Surgery, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt;
| | - Meifeng Xu
- Department of Pathology and Laboratory Medicine, University of Cincinnati Medical Center, Cincinnati, OH 45267, USA
- Correspondence: or ; Tel.: +1-513-558-4725; Fax: +1-513-558-2141
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