101
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Le TM, Morimoto N, Mitsui T, Notodihardjo SC, Munisso MC, Kakudo N, Kusumoto K. The sustained release of basic fibroblast growth factor accelerates angiogenesis and the engraftment of the inactivated dermis by high hydrostatic pressure. PLoS One 2019; 14:e0208658. [PMID: 30789932 PMCID: PMC6383993 DOI: 10.1371/journal.pone.0208658] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 02/05/2019] [Indexed: 01/13/2023] Open
Abstract
We developed a novel skin regeneration therapy combining nevus tissue inactivated by high hydrostatic pressure (HHP) in the reconstruction of the dermis with a cultured epidermal autograft (CEA). The issue with this treatment is the unstable survival of CEA on the inactivated dermis. In this study, we applied collagen/gelatin sponge (CGS), which can sustain the release of basic fibroblast growth factor (bFGF), to the inactivated skin in order to accelerate angiogenesis. Murine skin grafts from C57BL6J/Jcl mice (8 mm in diameter) were prepared, inactivated by HHP and cryopreserved. One month later, the grafts were transplanted subcutaneously onto the back of other mice and covered by CGS impregnated with saline or bFGF. Grafts were harvested after one, two and eight weeks, at which point the engraftment was evaluated through the histology and angiogenesis-related gene expressions were determined by real-time polymerase chain reaction. Histological sections showed that the dermal cellular density and newly formed capillaries in the bFGF group were significantly higher than in the control group. The relative expression of FGF-2, PDGF-A and VEGF-A genes in the bFGF group was significantly higher than in the control group at Week 1. This study suggested that the angiogenesis into grafts was accelerated, which might improve the engraftment of inactivated dermis in combination with the sustained release of bFGF by CGSs.
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Affiliation(s)
- Tien Minh Le
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Osaka, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Osaka, Japan
- * E-mail:
| | - Toshihito Mitsui
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Osaka, Japan
| | | | - Maria Chiara Munisso
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Osaka, Japan
| | - Natsuko Kakudo
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Osaka, Japan
| | - Kenji Kusumoto
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Osaka, Japan
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102
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Wu P, Nakamura N, Morita H, Nam K, Fujisato T, Kimura T, Kishida A. A hybrid small‐diameter tube fabricated from decellularized aortic intima‐media and electrospun fiber for artificial small‐diameter blood vessel. J Biomed Mater Res A 2019; 107:1064-1070. [DOI: 10.1002/jbm.a.36631] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 01/24/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Pingli Wu
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University Tokyo 101‐0062 Japan
| | - Naoko Nakamura
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University Tokyo 101‐0062 Japan
| | - Hiroko Morita
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University Tokyo 101‐0062 Japan
| | - Kwangwoo Nam
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University Tokyo 101‐0062 Japan
| | - Toshiya Fujisato
- Department of Biomedical EngineeringOsaka Institute of Technology Osaka 535‐8585 Japan
| | - Tsuyoshi Kimura
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University Tokyo 101‐0062 Japan
| | - Akio Kishida
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University Tokyo 101‐0062 Japan
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103
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Grant R, Hay D, Callanan A. From scaffold to structure: the synthetic production of cell derived extracellular matrix for liver tissue engineering. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aacbe1] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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104
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Tissue-engineered submillimeter-diameter vascular grafts for free flap survival in rat model. Biomaterials 2018; 179:156-163. [DOI: 10.1016/j.biomaterials.2018.06.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 06/11/2018] [Accepted: 06/14/2018] [Indexed: 01/27/2023]
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105
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Funamoto S, Hashimoto Y, Kishida A, Negishi J. A fibrin-coated pericardial extracellular matrix prevented heart adhesion in a rat model. J Biomed Mater Res B Appl Biomater 2018; 107:1088-1094. [PMID: 30230682 DOI: 10.1002/jbm.b.34201] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/21/2018] [Accepted: 06/27/2018] [Indexed: 01/17/2023]
Abstract
As most surgical treatments pose a risk of tissue adhesion, methods to prevent adhesion are needed across various surgical fields. In this study, we investigated the use of a decellularized pericardium with fibrin glue to prevent rat heart adhesion. Porcine pericardia were decellularized by a high-hydrostatic pressure method. Cells adhered to the resulting pericardial extracellular matrix (ECM) during an in vitro cell-seeding test, but fibrin-coated pericardial ECM showed reduced cell adhesion. In a rat surgical model of heart adhesion, the fibrin-coated pericardial ECM did not adhere to the heart and mesothelial cell adhesion was observed on the ECM surface. Notably, the anti-adhesion effect of fibrin-coated pericardial ECM was observed 4 weeks after surgery. These results support the utility of fibrin-coated pericardial ECM as an adhesion prevention material for cardiovascular surgery. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1088-1094, 2019.
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Affiliation(s)
- Seiichi Funamoto
- Department of Thoracic and Cardiovascular Surgery, Sapporo Medical University School of Medicine, Sapporo, 060-8543, Japan.,Department of Material-Based Medical Engineering, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0023, Japan
| | - Yoshihide Hashimoto
- Department of Material-Based Medical Engineering, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0023, Japan
| | - Akio Kishida
- Department of Material-Based Medical Engineering, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0023, Japan
| | - Jun Negishi
- Department of Thoracic and Cardiovascular Surgery, Sapporo Medical University School of Medicine, Sapporo, 060-8543, Japan.,Japan Society for the Promotion of Science, Tokyo, 102-8472, Japan.,Faculty of Textile Science and Technology, Shinshu University, Nagano, 386-8567, Japan
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106
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In Vivo Performance of Decellularized Vascular Grafts: A Review Article. Int J Mol Sci 2018; 19:ijms19072101. [PMID: 30029536 PMCID: PMC6073319 DOI: 10.3390/ijms19072101] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/16/2018] [Accepted: 07/16/2018] [Indexed: 12/12/2022] Open
Abstract
Due to poor vessel quality in patients with cardiovascular diseases, there has been an increased demand for small-diameter tissue-engineered blood vessels that can be used as replacement grafts in bypass surgery. Decellularization techniques to minimize cellular inflammation have been applied in tissue engineering research for the development of small-diameter vascular grafts. The biocompatibility of allogenic or xenogenic decellularized matrices has been evaluated in vitro and in vivo. Both short-term and long-term preclinical studies are crucial for evaluation of the in vivo performance of decellularized vascular grafts. This review offers insight into the various preclinical studies that have been performed using decellularized vascular grafts. Different strategies, such as surface-modified, recellularized, or hybrid vascular grafts, used to improve neoendothelialization and vascular wall remodeling, are also highlighted. This review provides information on the current status and the future development of decellularized vascular grafts.
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107
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Zhang Y, Iwata T, Nam K, Kimura T, Wu P, Nakamura N, Hashimoto Y, Kishida A. Water absorption by decellularized dermis. Heliyon 2018; 4:e00600. [PMID: 29862362 PMCID: PMC5968173 DOI: 10.1016/j.heliyon.2018.e00600] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 02/09/2018] [Accepted: 04/04/2018] [Indexed: 11/20/2022] Open
Abstract
Water absorption by decellularized dermis was investigated and compared with biopolymer and synthetic polymer hydrogels (glutaraldehyde-crosslinked gelatin and crosslinked poly(acrylamide) hydrogel, respectively). Porcine dermis was decellularized in an aqueous sodium dodecyl sulfate (SDS) solution. Histological evaluation revealed that the SDS-treated dermis has much larger gaps between collagen fibrils than non-treated dermis, and that water absorption depends on these gaps. Decellularized dermis has low water absorptivity and the absorption obeys Fick's second law. During absorption, the water diffusion rate decreases with time and occurs in two steps. The first is rapid absorption into the large gaps, followed by slow absorption by the collagen fiber layer. Because of the gaps, decellularized dermis can absorb more water than native dermis and shows different water absorption behavior to glutaraldehyde-crosslinked gelatin and crosslinked poly(acrylamide) hydrogels.
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108
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Seo Y, Jung Y, Kim SH. Decellularized heart ECM hydrogel using supercritical carbon dioxide for improved angiogenesis. Acta Biomater 2018; 67:270-281. [PMID: 29223704 DOI: 10.1016/j.actbio.2017.11.046] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 11/08/2017] [Accepted: 11/28/2017] [Indexed: 12/30/2022]
Abstract
Initial angiogenesis within the first 3 days is critical for healing ischemic diseases such as myocardial infarction. Recently, decellularized extracellular matrix (dECM) has been reported to provide tissue-derived ECM components and can be used as a scaffold for cell delivery for angiogenesis in tissue engineering. Decellularization by various detergents such as sodium dodecyl sulfate (SDS) and triton X-100 can remove the cell nuclei in tissue organs. However, this leads to ECM structure denaturation, decreased presence of various ECM proteins and cytokines, and loss of mechanical properties. To overcome these limitations, in this study, we developed a supercritical carbon dioxide and ethanol co-solvent (scCO2-EtOH) decellularization method, which is a detergent-free system that prevents ECM structure disruption and retains various angiogenic proteins in the heart dECM, and tested on rat heart tissues. The heart tissue was placed into the scCO2 reactor and decellularized at 37 °C and 350 bar. After scCO2-EtOH treatment, the effects were evaluated by DNA, collagen, and glycosaminoglycan (GAG) quantification and hematoxylin and eosin and immunofluorescence staining to determine the absence of nucleic acids and preservation of heart ECM components. Similar to the native group, the scCO2-EtOH group contained more ECM components such as collagen, GAGs, collagen I, laminin, and fibronectin and angiogenic factors including vascular endothelial growth factor, fibroblast growth factor, and platelet-derived growth factor and others in comparison to the detergent group. In addition, to estimate angiogenesis of the dECM hydrogels, the neutralized dECM solution was injected in a rat subcutaneous layer (n = 6 in each group: collagen, scCO2-EOH, and detergent group), after which the solution naturally formed gelation in the subcutaneous layer. After 3 days, the gels were harvested and estimated by immunofluorescence staining and the ImageJ program for angiogenesis analysis. Consequently, blood vessel formation and density of vWF and α-SMA in the scCO2-EtOH group were significantly greater than that in the collagen group. Here we suggest that heart-derived decellularized extracellular matrix (dECM) with scCO2-EtOH treatment is a highly promising angiogenic material for healing in ischemic disease. STATEMENT OF SIGNIFICANCE Supercritical carbon dioxide (scCO2) in a supercritical phase has low viscosity and high diffusivity between gas and liquid properties and is known to be affordable, non-toxic, and eco-friendly. Therefore, scCO2 extraction technology has been extensively used in commercial and industrial fields. Recently, decellularized extracellular matrix (dECM) was applied to tissue engineering and regenerative medicine as a scaffold, therapeutic material, and bio-ink for 3D printing. Moreover, the general decellularization method using detergents has limitations including eliminating tissue-derived ECM components and disrupting their structures after decellularization. To overcome these limitations, heart tissues were treated with scCO2-EtOH for decellularization, resulting in preserving of tissue due to the various ECM and angiogenic factors derived. In addition, initiation of angiogenesis was highly induced even after 3 days of injection.
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Affiliation(s)
- Yoojin Seo
- NBIT, KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea; Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Youngmee Jung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
| | - Soo Hyun Kim
- NBIT, KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea; Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea.
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109
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NAKAMURA N, KIMURA T, KISHIDA A. Medical Application of Decellularized Tissue-Polymer Complex. KOBUNSHI RONBUNSHU 2018. [DOI: 10.1295/koron.2017-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Naoko NAKAMURA
- College of Systems Engineering and Science, Shibaura Institute of Technology
| | - Tsuyoshi KIMURA
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Akio KISHIDA
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
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110
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Kim H, Kim Y, Fendereski M, Hwang NS, Hwang Y. Recent Advancements in Decellularized Matrix-Based Biomaterials for Musculoskeletal Tissue Regeneration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1077:149-162. [DOI: 10.1007/978-981-13-0947-2_9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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111
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Casali DM, Handleton RM, Shazly T, Matthews MA. A novel supercritical CO 2 -based decellularization method for maintaining scaffold hydration and mechanical properties. J Supercrit Fluids 2018. [DOI: 10.1016/j.supflu.2017.07.021] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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112
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Ding W, Palaiokostas M, Shahane G, Wang W, Orsi M. Effects of High Pressure on Phospholipid Bilayers. J Phys Chem B 2017; 121:9597-9606. [PMID: 28926699 DOI: 10.1021/acs.jpcb.7b07119] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The response of lipid membranes to changes in external pressure is important for many biological processes, and it can also be exploited for technological applications. In this work, we employ all-atom molecular dynamics simulations to characterize the changes in the physical properties of phospholipid bilayers brought about by high pressure (1000 bar). In particular, we study how the response differs, in relation to different chain unsaturation levels, by comparing monounsaturated 1-palmitoyl-2-oleoyl-phosphatidylcholine (POPC) and biunsaturated dioleoyl-phosphatidylcholine (DOPC) bilayers. Various structural, mechanical, and dynamical features are found to be altered by the pressure increase in both bilayers. Notably, for most properties, including bilayer area and thickness, lipid order parameters, lateral pressure profile, and curvature frustration energy, we observe significantly more pronounced effects for monounsaturated POPC than biunsaturated DOPC. Possible biological implications of the results obtained are discussed, especially in relation to how different lipids can control the structure and function of membrane proteins.
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Affiliation(s)
- Wei Ding
- School of Engineering & Materials Science, Queen Mary University of London , Mile End Road, London E1 4NS, U.K
| | - Michail Palaiokostas
- School of Engineering & Materials Science, Queen Mary University of London , Mile End Road, London E1 4NS, U.K
| | - Ganesh Shahane
- School of Engineering & Materials Science, Queen Mary University of London , Mile End Road, London E1 4NS, U.K
| | - Wen Wang
- School of Engineering & Materials Science, Queen Mary University of London , Mile End Road, London E1 4NS, U.K
| | - Mario Orsi
- Department of Applied Sciences, University of the West of England , Coldharbour Lane, Bristol BS16 1QY, U.K
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113
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Guler S, Aydin HM, Lü LX, Yang Y. Improvement of Decellularization Efficiency of Porcine Aorta Using Dimethyl Sulfoxide as a Penetration Enhancer. Artif Organs 2017; 42:219-230. [DOI: 10.1111/aor.12978] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 05/11/2017] [Accepted: 05/12/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Selcan Guler
- Institute of Science, Bioengineering Division; Hacettepe University; Ankara Turkey
| | - Halil M. Aydin
- Environmental Engineering and Bioengineering Division and Centre for Bioengineering; Hacettepe University; Ankara Turkey
| | - Lan-Xin Lü
- Institute of Science and Technology in Medicine, School of Medicine, Keele University; Stoke-on-Trent UK
| | - Ying Yang
- Institute of Science and Technology in Medicine, School of Medicine, Keele University; Stoke-on-Trent UK
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114
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Supercritical Carbon Dioxide-Assisted Decellularization of Aorta and Cornea. Tissue Eng Part C Methods 2017; 23:540-547. [DOI: 10.1089/ten.tec.2017.0090] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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115
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Kim BS, Kim H, Gao G, Jang J, Cho DW. Decellularized extracellular matrix: a step towards the next generation source for bioink manufacturing. Biofabrication 2017; 9:034104. [DOI: 10.1088/1758-5090/aa7e98] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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116
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Verstegen MMA, Willemse J, van den Hoek S, Kremers GJ, Luider TM, van Huizen NA, Willemssen FEJA, Metselaar HJ, IJzermans JNM, van der Laan LJW, de Jonge J. Decellularization of Whole Human Liver Grafts Using Controlled Perfusion for Transplantable Organ Bioscaffolds. Stem Cells Dev 2017; 26:1304-1315. [PMID: 28665233 DOI: 10.1089/scd.2017.0095] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Liver transplantation is the only effective treatment for end-stage liver disease, but absolute donor shortage remains a limiting factor. Recent advances in tissue engineering focus on generation of native extracellular matrix (ECM) by decellularized complete livers in animal models. Although proof of concept has been reported for human livers, this study aims to perform whole liver decellularization in a clinically relevant series using controlled machine perfusion. In this study, we describe a mild nondestructive decellularization protocol, effective in 11 discarded human whole liver grafts to generate constructs that reliably maintain hepatic architecture and ECM components using machine perfusion, while completely removing cellular DNA and RNA. The decellularization process preserved the ultrastructural ECM components confirmed by histology, electron microscopy, and proteomic analysis. Anatomical characteristics of the native microvascular network and biliary drainage of the liver were confirmed by contrast computed tomography scanning. Decellularized vascular matrix remained suitable for normal suturing and no major histocompatibility complex molecules were detected, suggesting absence of allo-reactivity when used for transplantation. After extensive washing, decellularized scaffolds were nontoxic for cells after reseeding human mesenchymal stromal or umbilical vein endothelial endothelium cells. Indeed, evidence of effective recellularization of the vascular lining was obtained. In conclusion, we established an effective method to generate clinically applicable liver scaffolds from human discarded whole liver grafts and show proof of concept that reseeding of normal human cells in the scaffold is feasible. This supports new opportunities for bioengineering of transplantable grafts in the future.
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Affiliation(s)
- Monique M A Verstegen
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Jorke Willemse
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Sjoerd van den Hoek
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Gert-Jan Kremers
- 2 Erasmus Optical Imaging Centre, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Theo M Luider
- 3 Department of Neurology, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Nick A van Huizen
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands .,3 Department of Neurology, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | | | - Herold J Metselaar
- 5 Department of Gastroentrology and Hepatology, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Jan N M IJzermans
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Luc J W van der Laan
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
| | - Jeroen de Jonge
- 1 Department of Surgery, Erasmus MC-University Medical Center , Rotterdam, the Netherlands
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117
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Grant R, Hay DC, Callanan A. A Drug-Induced Hybrid Electrospun Poly-Capro-Lactone: Cell-Derived Extracellular Matrix Scaffold for Liver Tissue Engineering. Tissue Eng Part A 2017; 23:650-662. [PMID: 28437180 DOI: 10.1089/ten.tea.2016.0419] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Liver transplant is the only treatment option for patients with end-stage liver failure, however, there are too few donor livers available for transplant. Whole organ tissue engineering presents a potential solution to the problem of rapidly escalating donor liver shortages worldwide. A major challenge for liver tissue engineers is the creation of a hepatocyte microenvironment; a niche in which liver cells can survive and function optimally. While polymers and decellularized tissues pose an attractive option for scaffold manufacturing, neither alone has thus far proved sufficient. This study exploited cell's native extracellular matrix (ECM) producing capabilities using two different histone deacetylase inhibitors, and combined these with the customizability and reproducibility of electrospun polymer scaffolds to produce a "best of both worlds" niche microenvironment for hepatocytes. The resulting hybrid poly-capro-lactone (PCL)-ECM scaffolds were validated using HepG2 hepatocytes. The hybrid PCL-ECM scaffolds maintained hepatocyte growth and function, as evidenced by metabolic activity and DNA quantitation. Mechanical testing revealed little significant difference between scaffolds, indicating that cells were responding to a biochemical and topographical profile rather than mechanical changes. Immunohistochemistry showed that the biochemical profile of the drug-derived and nondrug-derived ECMs differed in ratio of Collagen I, Laminin, and Fibronectin. Furthermore, the hybrid PCL-ECM scaffolds influence the gene expression profile of the HepG2s drastically; with expression of Albumin, Cytochrome P450 Family 1 Subfamily A Polypeptide 1, Cytochrome P450 Family 1 Subfamily A Polypeptide 2, Cytochrome P450 Family 3 Subfamily A Polypeptide 4, Fibronectin, Collagen I, and Collagen IV undergoing significant changes. Our results demonstrate that drug-induced hybrid PCL-ECM scaffolds provide a viable, translatable platform for creating a niche microenvironment for hepatocytes, supporting in vivo phenotype and function. These scaffolds offer great potential for tissue engineering and regenerative medicine strategies for whole organ tissue engineering.
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Affiliation(s)
- Rhiannon Grant
- 1 Institute for Bioengineering, School of Engineering, University of Edinburgh , Edinburgh, United Kingdom
| | - David C Hay
- 2 MRC Scottish Centre for Regenerative Medicine, University of Edinburgh , Edinburgh, United Kingdom
| | - Anthony Callanan
- 1 Institute for Bioengineering, School of Engineering, University of Edinburgh , Edinburgh, United Kingdom
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118
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Decellularization Strategies for Regenerative Medicine: From Processing Techniques to Applications. BIOMED RESEARCH INTERNATIONAL 2017; 2017:9831534. [PMID: 28540307 PMCID: PMC5429943 DOI: 10.1155/2017/9831534] [Citation(s) in RCA: 417] [Impact Index Per Article: 59.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/15/2017] [Accepted: 04/12/2017] [Indexed: 12/13/2022]
Abstract
As the gap between donors and patients in need of an organ transplant continues to widen, research in regenerative medicine seeks to provide alternative strategies for treatment. One of the most promising techniques for tissue and organ regeneration is decellularization, in which the extracellular matrix (ECM) is isolated from its native cells and genetic material in order to produce a natural scaffold. The ECM, which ideally retains its inherent structural, biochemical, and biomechanical cues, can then be recellularized to produce a functional tissue or organ. While decellularization can be accomplished using chemical and enzymatic, physical, or combinative methods, each strategy has both benefits and drawbacks. The focus of this review is to compare the advantages and disadvantages of these methods in terms of their ability to retain desired ECM characteristics for particular tissues and organs. Additionally, a few applications of constructs engineered using decellularized cell sheets, tissues, and whole organs are discussed.
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119
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Row S, Santandreu A, Swartz DD, Andreadis ST. Cell-free vascular grafts: Recent developments and clinical potential. TECHNOLOGY 2017; 5:13-20. [PMID: 28674697 PMCID: PMC5492388 DOI: 10.1142/s2339547817400015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Recent advances in vascular tissue engineering have led to the development of cell-free grafts that are available off-the-shelf for on demand surgery. Challenges associated with cell-based technologies including cell sourcing, cell expansion and long-term bioreactor culture motivated the development of completely cell-free vascular grafts. These are based on decellularized arteries, decellularized cultured cell-based tissue engineered grafts or biomaterials functionalized with biological signals that promote in situ tissue regeneration. Clinical trials undertaken to demonstrate the applicability of these grafts are also discussed. This comprehensive review summarizes recent developments in vascular graft technologies, with potential applications in coronary artery bypass procedures, lower extremity bypass, vascular injury and trauma, congenital heart diseases and dialysis access shunts, to name a few.
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Affiliation(s)
- Sindhu Row
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
- Angiograft LLC, Amherst NY
| | - Ana Santandreu
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
| | | | - Stelios T Andreadis
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
- Department of Biomedical Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY
- Angiograft LLC, Amherst NY
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Zhang W, Vazquez B, Oreadi D, Yelick PC. Decellularized Tooth Bud Scaffolds for Tooth Regeneration. J Dent Res 2017; 96:516-523. [PMID: 28118552 DOI: 10.1177/0022034516689082] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Whole tooth regeneration approaches currently are limited by our inability to bioengineer full-sized, living replacement teeth. Recently, decellularized organ scaffolds have shown promise for applications in regenerative medicine by providing a natural extracellular matrix environment that promotes cell attachment and tissue-specific differentiation leading to full-sized organ regeneration. We hypothesize that decellularized tooth buds (dTBs) created from unerupted porcine tooth buds (TBs) can be used to guide reseeded dental cell differentiation to form whole bioengineered teeth, thereby providing a potential off-the-shelf scaffold for whole tooth regeneration. Porcine TBs were harvested from discarded 6-mo-old pig jaws, and decellularized by successive sodium dodecyl sulfate/Triton-X cycles. Four types of replicate implants were used in this study: 1) acellular dTBs; 2) recellularized dTBs seeded with porcine dental epithelial cells, human dental pulp cells, and human umbilical vein endothelial cells (recell-dTBs); 3) dTBs seeded with bone morphogenetic protein (BMP)-2 (dTB-BMPs); and 4) freshly isolated nondecellularized natural TBs (nTBs). Replicate samples were implanted into the mandibles of host Yucatan mini-pigs and grown for 3 or 6 mo. Harvested mandibles with implanted TB constructs were fixed in formalin, decalcified, embedded in paraffin, sectioned, and analyzed via histological methods. Micro-computed tomography (CT) analysis was performed on harvested 6-mo samples prior to decalcification. All harvested constructs exhibited a high degree of cellularity. Significant production of organized dentin and enamel-like tissues was observed in dTB-recell and nTB implants, but not in dTB or dTB-BMP implants. Micro-CT analyses of 6-mo implants showed the formation of organized, bioengineered teeth of comparable size to natural teeth. To our knowledge, these results are the first to describe the potential use of dTBs for functional whole tooth regeneration.
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Affiliation(s)
- W Zhang
- 1 Division of Craniofacial and Molecular Genetics, Department of Orthodontics, Tufts University School of Dental Medicine, Boston, MA, USA
| | - B Vazquez
- 1 Division of Craniofacial and Molecular Genetics, Department of Orthodontics, Tufts University School of Dental Medicine, Boston, MA, USA
| | - D Oreadi
- 2 Department of Oral and Maxillofacial Surgery, Tufts University School of Dental Medicine, Boston, MA, USA
| | - P C Yelick
- 1 Division of Craniofacial and Molecular Genetics, Department of Orthodontics, Tufts University School of Dental Medicine, Boston, MA, USA
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Liu WY, Lin SG, Zhuo RY, Xie YY, Pan W, Lin XF, Shen FX. Xenogeneic Decellularized Scaffold: A Novel Platform for Ovary Regeneration. Tissue Eng Part C Methods 2017; 23:61-71. [PMID: 27981878 DOI: 10.1089/ten.tec.2016.0410] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Women younger than 40 years may face early menopause because of premature ovarian failure (POF). The cause of POF can be idiopathic or iatrogenic, especially the cancer-induced oophorectomy and chemo- or radiation therapy. The current treatments, including hormone replacement therapy (HRT) and cryopreservation techniques, have increased risk of ovarian cancer and may reintroduce malignant cells after autografting. Decellularization technique has been regarded as a novel regenerative medicine strategy for organ replacement, wherein the living cells of an organ are removed, leaving the extracellular matrix (ECM) for cellular seeding. This study aimed to produce a xenogeneic decellularized ovary (D-ovary) scaffold as a platform for ovary regeneration and transplantation. We have developed a novel decellularization protocol for porcine ovary by treatment with physical, chemical, and enzymatic methods. Using hematoxylin and eosin (H&E) staining, DAPI staining, scanning electron microscopy (SEM), and quantitative analysis, this approach proved effective in removing cellular components and preserving ECM. Furthermore, the results of biological safety evaluation demonstrated that the D-ovary tissues were noncytotoxic for rat ovarian cells in vitro and caused only a minimal immunogenic response in vivo. In addition, the D-ovary tissues successfully supported rat granulosa cell penetration ex vivo and showed an improvement in estradiol (E2) hormone secretion.
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Affiliation(s)
- Wen-Yue Liu
- 1 Department of Endocrinology and Metabolism, the First Affiliated Hospital of Wenzhou Medical University , Wenzhou, China
| | - Shi-Gang Lin
- 2 School of the First Clinical Medical Sciences, Wenzhou Medical University , Wenzhou, China
| | - Ru-Yi Zhuo
- 1 Department of Endocrinology and Metabolism, the First Affiliated Hospital of Wenzhou Medical University , Wenzhou, China
| | - Yuan-Yuan Xie
- 1 Department of Endocrinology and Metabolism, the First Affiliated Hospital of Wenzhou Medical University , Wenzhou, China
| | - Wei Pan
- 1 Department of Endocrinology and Metabolism, the First Affiliated Hospital of Wenzhou Medical University , Wenzhou, China
| | - Xian-Feng Lin
- 3 Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University , Hangzhou, China
| | - Fei-Xia Shen
- 1 Department of Endocrinology and Metabolism, the First Affiliated Hospital of Wenzhou Medical University , Wenzhou, China
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Inoue Y, Yokota T, Sekitani T, Kaneko A, Woo T, Kobayashi S, Shibuya T, Tanaka M, Kosukegawa H, Saito I, Isoyama T, Abe Y, Yambe T, Someya T, Sekino M. Antithrombotic Protein Filter Composed of Hybrid Tissue-Fabric Material has a Long Lifetime. Ann Biomed Eng 2017; 45:1352-1364. [PMID: 28054160 DOI: 10.1007/s10439-016-1781-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 12/19/2016] [Indexed: 11/26/2022]
Abstract
There are recent reports of hybrid tissue-fabric materials with good performance-high biocompatibility and high mechanical strength. In this study, we demonstrate the capability of a hybrid material as a long-term filter for blood proteins. Polyester fabrics were implanted into rats to fabricate hybrid tissue-fabric material sheets. The hybrid materials comprised biological tissue grown on the fabric. The materials were extracted from the rat's body, approximately 100 days post-implantation. The tissues were decellularized to prevent immunological rejection. An antithrombogenicity test was performed by dropping blood onto the hybrid material surface. The hybrid material showed lesser blood coagulation than polysulfone and cellulose. Blood plasma was filtered using the hybrid material to evaluate the protein removal percentage and the lifetime of the hybrid material in vitro. The hybrid material showed a comparable performance to conventional filters for protein removal. Moreover, the hybrid material could work as a protein filter for 1 month, which is six times the lifetime of polysulfone.
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Affiliation(s)
- Yusuke Inoue
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
- Department of Biomedical Engineering, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
- Department of Medical Engineering and Cardiology, Institute of Development, Aging and Cancer, Tohoku University, Miyagi, 980-8575, Japan
| | - Tomoyuki Yokota
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Tsuyoshi Sekitani
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, Osaka, 567-0047, Japan
| | - Akiko Kaneko
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Taeseong Woo
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Shingo Kobayashi
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
| | - Tomokazu Shibuya
- Department of Biochemical Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, 992-8510, Japan
| | - Masaru Tanaka
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
| | | | - Itsuro Saito
- Department of Biomedical Engineering, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Takashi Isoyama
- Department of Biomedical Engineering, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Yusuke Abe
- Department of Biomedical Engineering, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Tomoyuki Yambe
- Department of Medical Engineering and Cardiology, Institute of Development, Aging and Cancer, Tohoku University, Miyagi, 980-8575, Japan
| | - Takao Someya
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Masaki Sekino
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan.
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Negishi J, Hashimoto Y, Yamashita A, Kimura T, Kishida A, Funamoto S. Histological structure affects recellularization of decellularized arteries. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:450-455. [DOI: 10.1016/j.msec.2016.09.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Revised: 08/05/2016] [Accepted: 09/03/2016] [Indexed: 01/17/2023]
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Abstract
Decellularized bone matrix is gaining a lot of attention as implantable biomaterials and/or biological scaffolds for bone tissue repair, and shows good clinical performance. This chapter describes the processing techniques and characterization protocols of decellularized bone. For the applications of the decellularized bone scaffold in promoting bone repair and regeneration, we discuss some of the current advances, and highlight the advantages and disadvantages of these scaffolds. Fabrication and application of the hydrogel derived from decellularized bone for bone tissue engineering are also presented.
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Affiliation(s)
- Guobao Chen
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, People's Republic of China
- Mechanobiology and Regenerative Medicine Laboratory, Bioengineering College, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing, 400044, People's Republic of China
| | - Yonggang Lv
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing, 400044, People's Republic of China.
- Mechanobiology and Regenerative Medicine Laboratory, Bioengineering College, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing, 400044, People's Republic of China.
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125
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Nakamura N, Kimura T, Kishida A. Overview of the Development, Applications, and Future Perspectives of Decellularized Tissues and Organs. ACS Biomater Sci Eng 2016; 3:1236-1244. [DOI: 10.1021/acsbiomaterials.6b00506] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Naoko Nakamura
- Institute of Biomaterials
and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062 Japan
| | - Tsuyoshi Kimura
- Institute of Biomaterials
and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062 Japan
| | - Akio Kishida
- Institute of Biomaterials
and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062 Japan
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126
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Lin CH, Kao YC, Lin YH, Ma H, Tsay RY. A fiber-progressive-engagement model to evaluate the composition, microstructure, and nonlinear pseudoelastic behavior of porcine arteries and decellularized derivatives. Acta Biomater 2016; 46:101-111. [PMID: 27667016 DOI: 10.1016/j.actbio.2016.09.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 09/12/2016] [Accepted: 09/19/2016] [Indexed: 01/15/2023]
Abstract
The theoretical fiber-progressive-engagement model was proposed to describe the pseudoelastic behavior of an artery pre- and post-decellularization treatments. Native porcine arteries were harvested and decellularized with 0.05% trypsin for 12 h. The uniaxial tensile test data were fitted to the fiber-progressive-engagement model proposed herein. The effects of decellularization on the morphology, structural characteristics, and composition of vessel walls were studied. The experimental stress-strain curve was fitted to the model in the longitudinal and circumferential direction, which demonstrated the adequacy of the proposed model (R2>0.99). The initial and turning strains were similar in the longitudinal and circumferential directions in the aorta, suggesting the occurrence of collagen conjugation in both directions. Discrepancies in the initial and turning strain and initial and stiff modulus in both directions in the coronary artery revealed the anisotropic features of this vessel. Decellularization induced a decrease in the initial and turning strains, a slight change in the initial modulus, and a substantial decrease in the stiffness modulus. The decrease in the initial and turning strain can be attributed to the loss of waviness of collagen bundles because of the considerable decrease in elastin and glycosaminoglycan contents. This simple non-linear model can be used to determine the fiber modulus and waviness degree of vascular tissue. Based on these results, this mechanical test can be used as a screening tool for the selection of an optimized decellularization protocol for arterial tissues. STATEMENT OF SIGNIFICANCE Decellularized vascular graft has potential in clinical application, such as coronary artery bypass surgery, peripheral artery bypass surgery or microsurgery. An ideal decellularization protocol requires balance in cell removal efficiency and extracellular matrix preserving. Both biochemical and biomechanical properties are crucial to the success of scaffold in cell seeding and animal study. A comprehensive understanding of the composition, microstructure, and mechanical behavior of the arterial wall is the key to the development of decellularized vascular grafts. For this purpose, we proposed this "Fiber-Progressive-Engagement" model to evaluate the microstructure, composition and mechanical properties of porcine coronary artery. The model provides a new perspective regarding the non-linear behavior of arterial tissue and its decellularized derivatives. It can be widely applied to different types of tissues, as demonstrated in the aorta and coronary artery. This model has several advantages; it provides an improved fit of non-linear curves (R2>0.99), can be used to elucidate the pseudoelastic properties of porcine vascular tissues using the concept of fiber engagement, and can estimate an elastic modulus with greater accuracy (compared to the graphical estimation or calculation by simple linear fittings), as well as to plot typical stress-strain curves.
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127
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Shinoka T, Miyachi H. Current Status of Tissue Engineering Heart Valve. World J Pediatr Congenit Heart Surg 2016; 7:677-684. [DOI: 10.1177/2150135116664873] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 07/26/2016] [Indexed: 12/31/2022]
Abstract
The development of surgically implantable heart valve prostheses has contributed to improved outcomes in patients with cardiovascular disease. However, there are drawbacks, such as risk of infection and lack of growth potential. Tissue-engineered heart valve (TEHV) holds great promise to address these drawbacks as the ideal TEHV is easily implanted, biocompatible, non-thrombogenic, durable, degradable, and ultimately remodels into native-like tissue. In general, three main components used in creating a tissue-engineered construct are (1) a scaffold material, (2) a cell type for seeding the scaffold, and (3) a subsequent remodeling process driven by cell accumulation and proliferation, and/or biochemical and mechanical signaling. Despite rapid progress in the field over the past decade, TEHVs have not been translated into clinical applications successfully. To successfully utilize TEHVs clinically, further elucidation of the mechanisms for TEHV remodeling and further translational research outcome evaluations will be required. Tissue engineering is a major breakthrough in cardiovascular medicine that holds amazing promise for the future of reconstructive surgical procedures. In this article, we review the history of regenerative medicine, advances in the field, and state-of-the-art in valvular tissue engineering.
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Affiliation(s)
- Toshiharu Shinoka
- Department of Cardiothoracic Surgery, Nationwide Children’s Hospital, Columbus, OH, USA
| | - Hideki Miyachi
- Department of Cardiothoracic Surgery, Nationwide Children’s Hospital, Columbus, OH, USA
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The Alteration of the Epidermal Basement Membrane Complex of Human Nevus Tissue and Keratinocyte Attachment after High Hydrostatic Pressurization. BIOMED RESEARCH INTERNATIONAL 2016; 2016:1320909. [PMID: 27747221 PMCID: PMC5056241 DOI: 10.1155/2016/1320909] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 08/25/2016] [Accepted: 08/31/2016] [Indexed: 11/23/2022]
Abstract
We previously reported that human nevus tissue was inactivated after high hydrostatic pressure (HHP) higher than 200 MPa and that human cultured epidermis (hCE) engrafted on the pressurized nevus at 200 MPa but not at 1000 MPa. In this study, we explore the changes to the epidermal basement membrane in detail and elucidate the cause of the difference in hCE engraftment. Nevus specimens of 8 mm in diameter were divided into five groups (control and 100, 200, 500, and 1000 MPa). Immediately after HHP, immunohistochemical staining was performed to detect the presence of laminin-332 and type VII collagen, and the specimens were observed by transmission electron microscopy (TEM). hCE was placed on the pressurized nevus specimens in the 200, 500, and 1000 MPa groups and implanted into the subcutis of nude mice; the specimens were harvested at 14 days after implantation. Then, human keratinocytes were seeded on the pressurized nevus and the attachment was evaluated. The immunohistochemical staining results revealed that the control and 100 MPa, 200 MPa, and 500 MPa groups were positive for type VII collagen and laminin-332 immediately after HHP. TEM showed that, in all of the groups, the lamina densa existed; however, anchoring fibrils were not clearly observed in the 500 or 1000 MPa groups. Although the hCE took in the 200 and 500 MPa groups, keratinocyte attachment was only confirmed in the 200 MPa group. This result indicates that HHP at 200 MPa is preferable for inactivating nevus tissue to allow its reuse for skin reconstruction in the clinical setting.
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129
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Li ZK, Wu ZS, Lu T, Yuan HY, Tang H, Tang ZJ, Tan L, Wang B, Yan SM. Materials and surface modification for tissue engineered vascular scaffolds. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:1534-52. [PMID: 27484610 DOI: 10.1080/09205063.2016.1217607] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Although vascular implantation has been used as an effective treatment for cardiovascular disease for many years, off-the-shelf and regenerable vascular scaffolds are still not available. Tissue engineers have tested various materials and methods of surface modification in the attempt to develop a scaffold that is more suitable for implantation. Extracellular matrix-based natural materials and biodegradable polymers, which are the focus of this review, are considered to be suitable materials for production of tissue-engineered vascular grafts. Various methods of surface modification that have been developed will also be introduced, their impacts will be summarized and assessed, and challenges for further research will briefly be discussed.
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Affiliation(s)
- Zhong-Kui Li
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Zhong-Shi Wu
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Ting Lu
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Hao-Yong Yuan
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Hao Tang
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Zhen-Jie Tang
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Ling Tan
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Bin Wang
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
| | - Si-Ming Yan
- a Department of Cardiovascular Surgery , Second Xiangya Hospital of Central South University , Changsha , PR China
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130
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Hussein KH, Park KM, Kang KS, Woo HM. Biocompatibility evaluation of tissue-engineered decellularized scaffolds for biomedical application. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:766-778. [PMID: 27287176 DOI: 10.1016/j.msec.2016.05.068] [Citation(s) in RCA: 118] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 04/07/2016] [Accepted: 05/16/2016] [Indexed: 12/20/2022]
Abstract
Biomaterials based on seeding of cells on decellularized scaffolds have gained increasing interest in the last few years and suggested to serve as an alternative approach to bioengineer artificial organs and tissues for transplantation. The reaction of the host toward the decellularized scaffold and transplanted cells depends on the biocompatibility of the construct. Before proceeding to the clinical application step of decellularized scaffolds, it is greatly important to apply a number of biocompatibility tests in vitro and in vivo. This review describes the different methodology involved in cytotoxicity, pathogenicity, immunogenicity and biodegradability testing for evaluating the biocompatibility of various decellularized matrices obtained from human or animals.
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Affiliation(s)
- Kamal Hany Hussein
- Stem Cell Institute, Kangwon National University, Chuncheon, Gangwon 200-701, Korea; Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 151-742, South Korea; Adult Stem Cell Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, South Korea
| | - Kyung-Mee Park
- Stem Cell Institute, Kangwon National University, Chuncheon, Gangwon 200-701, Korea; Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 151-742, South Korea; Adult Stem Cell Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, South Korea
| | - Kyung-Sun Kang
- Adult Stem Cell Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, South Korea; Institue of Veterinary Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Gangwon 200-701, South Korea
| | - Heung-Myong Woo
- Stem Cell Institute, Kangwon National University, Chuncheon, Gangwon 200-701, Korea; Institue of Veterinary Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Gangwon 200-701, South Korea; Harvard Stem Cell Institute, Renal Division, Brigham and Women's Hospital, Harvard Medical School, MA 02115, USA.
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Morimoto N, Mahara A, Jinno C, Ogawa M, Kakudo N, Suzuki S, Kusumoto K, Fujisato T, Yamaoka T. An evaluation of the engraftment and the blood flow of porcine skin autografts inactivated by high hydrostatic pressure. J Biomed Mater Res B Appl Biomater 2016; 105:1091-1101. [DOI: 10.1002/jbm.b.33631] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 01/15/2016] [Accepted: 01/16/2016] [Indexed: 01/15/2023]
Affiliation(s)
- Naoki Morimoto
- Department of Plastic and Reconstructive Surgery; Kansai Medical University; Hirakata City, Osaka Japan
| | - Atsushi Mahara
- Department of Biomedical Engineering; National Cerebral and Cardiovascular Center Research Institute; Suita City, Osaka Japan
| | - Chizuru Jinno
- Department of Plastic and Reconstructive Surgery; Graduate School of Medicine, Kyoto University; Kyoto City, Kyoto Japan
| | - Mami Ogawa
- Department of Biomedical Engineering; Osaka Institute of Technology; Osaka City, Osaka Japan
| | - Natsuko Kakudo
- Department of Plastic and Reconstructive Surgery; Kansai Medical University; Hirakata City, Osaka Japan
| | - Shigehiko Suzuki
- Department of Plastic and Reconstructive Surgery; Graduate School of Medicine, Kyoto University; Kyoto City, Kyoto Japan
| | - Kenji Kusumoto
- Department of Plastic and Reconstructive Surgery; Kansai Medical University; Hirakata City, Osaka Japan
| | - Toshia Fujisato
- Department of Biomedical Engineering; Osaka Institute of Technology; Osaka City, Osaka Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering; National Cerebral and Cardiovascular Center Research Institute; Suita City, Osaka Japan
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132
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TRAN HLB, DINH TTH, NGUYEN MTN, TO QM, PHAM ATT. Preparation and characterization of acellular porcinepericardium for cardiovascular surgery. Turk J Biol 2016. [DOI: 10.3906/biy-1510-44] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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133
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Boccafoschi F, Botta M, Fusaro L, Copes F, Ramella M, Cannas M. Decellularized biological matrices: an interesting approach for cardiovascular tissue repair and regeneration. J Tissue Eng Regen Med 2015; 11:1648-1657. [PMID: 26511323 DOI: 10.1002/term.2103] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 07/02/2015] [Accepted: 09/15/2015] [Indexed: 12/22/2022]
Abstract
The repair and replacement of blood vessels is one of the most challenging topics for biomedical research. Autologous vessels are preferred as graft materials, but they still have many issues to overcome: for instance, they need multiple surgical procedures and often patients may not have healthy and surgically valuable arteries useful as an autograft. A tissue-engineering approach is widely desirable to generate biological vascular prostheses. Recently, decellularization of native tissue has gained significant attention in the biomedical research field. This method is used to obtain biological scaffolds that are expected to maintain the complex three-dimensional structure of the extracellular matrix, preserving the biomechanical properties of the native tissues. The decellularizing methods and the biomechanical characteristics of these products are presented in this review. Decellularization of biological matrices induces the loss of major histocompatibility complex (MHC), which is expected to promote an immunological response by the host. All the studies showed that decellularized biomaterials possess adequate properties for xenografting. Concerning their mechanical properties, several studies have demonstrated that, although chemical decellularization methods do not affect the scaffolds' mechanical properties, these materials can be modified through different treatments in order to provide the desired mechanical characteristics, depending on the specific application. A short overview of legislative issues concerning the use of decellularized substitutes and future perspectives in surgical applications is also presented. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Francesca Boccafoschi
- Department of Health Sciences, University of Piemonte Orientale 'A. Avogadro', Novara, Italy
| | - Margherita Botta
- Department of Health Sciences, University of Piemonte Orientale 'A. Avogadro', Novara, Italy
| | - Luca Fusaro
- Department of Health Sciences, University of Piemonte Orientale 'A. Avogadro', Novara, Italy
| | - Francesco Copes
- Department of Health Sciences, University of Piemonte Orientale 'A. Avogadro', Novara, Italy
| | - Martina Ramella
- Department of Health Sciences, University of Piemonte Orientale 'A. Avogadro', Novara, Italy
| | - Mario Cannas
- Department of Health Sciences, University of Piemonte Orientale 'A. Avogadro', Novara, Italy
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134
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Jinno C, Morimoto N, Mahara A, Liem PH, Sakamoto M, Ogino S, Kakudo N, Inoie M, Fujisato T, Kusumoto K, Suzuki S, Yamaoka T. Inactivation of Human Nevus Tissue Using High Hydrostatic Pressure for Autologous Skin Reconstruction: A Novel Treatment for Giant Congenital Melanocytic Nevi. Tissue Eng Part C Methods 2015; 21:1178-87. [PMID: 26121117 DOI: 10.1089/ten.tec.2015.0054] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Giant congenital melanocytic nevi are intractable lesions associated with a risk of melanoma. High hydrostatic pressure (HHP) technology is a safe physical method for producing decellularized tissues without chemicals. We have reported that HHP can inactivate cells present in various tissues without damaging the native extracellular matrix (ECM). The objectives of this study were to inactivate human nevus tissue using HHP and to explore the possibility of reconstructing skin using inactivated nevus in combination with cultured epidermis (CE). Human nevus specimens 8 mm in diameter were pressurized by HHP at 100, 200, 500, and 1000 MPa for 10 min. The viability of specimens just after HHP, outgrowth of cells, and viability after cultivation were evaluated to confirm the inactivation by HHP. Histological evaluation using hematoxylin-eosin staining and immunohistochemical staining for type IV collagen was performed to detect damage to the ECM of the nevus. The pressurized nevus was implanted into the subcutis of nude mice for 6 months to evaluate the retention of human cells. Then, human CE was applied on the pressurized nevus and implanted into the subcutis of nude mice. The viability of pressurized nevus was not detected just after HHP and after cultivation, and outgrowth of fibroblasts was not observed in the 200, 500, and 1000 MPa groups. Human cells were not observed after 6 months of implantation in these groups. No apparent damage to the ECM was detected in all groups; however, CE took on nevus in the 200 and 500 MPa groups, but not in the 1000 MPa group. These results indicate that human nevus tissue was inactivated by HHP at more than 200 MPa; however, HHP at 1000 MPa might cause damage that prevents the take of CE. In conclusion, all cells in nevus specimens were inactivated after HHP at more than 200 MPa and this inactivated nevus could be used as autologous dermis for covering full-thickness skin defects after nevus removal. HHP between 200 and 500 MPa will be optimal to reconstruct skin in combination with cultured epidermal autograft without damage to the ECM.
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Affiliation(s)
- Chizuru Jinno
- 1 Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Naoki Morimoto
- 2 Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Japan
| | - Atsushi Mahara
- 3 Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Japan
| | - Pham Hieu Liem
- 1 Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Michiharu Sakamoto
- 1 Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shuichi Ogino
- 1 Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Natsuko Kakudo
- 2 Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Japan
| | | | - Toshia Fujisato
- 5 Department of Biomedical Engineering, Osaka Institute of Technology, Osaka, Japan
| | - Kenji Kusumoto
- 2 Department of Plastic and Reconstructive Surgery, Kansai Medical University, Hirakata, Japan
| | - Shigehiko Suzuki
- 1 Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tetsuji Yamaoka
- 3 Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Japan
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135
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Methods of tissue decellularization used for preparation of biologic scaffolds and in vivo relevance. Methods 2015; 84:25-34. [DOI: 10.1016/j.ymeth.2015.03.005] [Citation(s) in RCA: 367] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 03/02/2015] [Accepted: 03/09/2015] [Indexed: 02/07/2023] Open
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136
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Effect of decellularized tissue powders on a rat model of acute myocardial infarction. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 56:494-500. [PMID: 26249619 DOI: 10.1016/j.msec.2015.07.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 05/18/2015] [Accepted: 07/09/2015] [Indexed: 12/22/2022]
Abstract
Many research groups are currently investigating new treatment modalities for myocardial infarction. Numerous aspects need to be considered for the clinical application of these therapies, such as low cell integration and engraftment rates of cell injection techniques. Decellularized tissues are considered good materials for promoting regeneration of traumatic tissues. The properties of the decellularized tissues are sustained after processing to powder form. In this study, we examined the use of decellularized tissue powder in a rat model of acute myocardial infarction. The decellularized tissue powders, especially liver powder, promoted cell integration and neovascularization both in vitro and in vivo. Decellularized liver powder induced neovascularization in the infarct area, resulting in the suppression of myocardial necrosis. The results of this study suggest that decellularized liver powder has good potential for application as a blood supply material for the treatment of myocardial infarction.
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137
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Chen K, Lin X, Zhang Q, Ni J, Li J, Xiao J, Wang Y, Ye Y, Chen L, Jin K, Chen L. Decellularized periosteum as a potential biologic scaffold for bone tissue engineering. Acta Biomater 2015; 19:46-55. [PMID: 25725472 DOI: 10.1016/j.actbio.2015.02.020] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 01/16/2015] [Accepted: 02/19/2015] [Indexed: 01/19/2023]
Abstract
Bone grafting or bone substitute is typically used to bridge a bone defect that has been caused by trauma, tumor resection, pathological degeneration, or congenital deformations. However, bone graft healing and remodeling is always a major concern of orthopedic surgeons. Because the periosteum has a remarkable regenerative capacity and is widely recognized to be essential for the initiation of bone graft healing and remodeling, the present study aimed to produce a rabbit decellularized periosteum (D-periosteum) to be used as a biologic scaffold for future bone tissue engineering. We obtained the D-periosteum by employing a combination of commonly used decellularization processes, which include physical methods as well as chemical and enzymatic solutions. The cellular components were effectively removed, and this removal was demonstrated using current decellularization criteria (H&E staining, DAPI staining, DNA quantification and agarose gel electrophoresis); however, there were no significant alterations of the native extracellular matrix (ECM) properties (collagen, glycosaminoglycan (GAG), microarchitecture and mechanical properties). Periosteum-derived cells (PDCs) could adhere, proliferate and infiltrate into the D-periosteum in vitro. The allogenic D-periosteum was implanted subcutaneously into the backs of rabbits over 28 days to study the biocompatibility in vivo. The D-periosteum did not elicit a severe immunogenic response. In summary, a biologic scaffold composed of ECM from periosteum has been successfully developed. The D-periosteum maintains biocompatibility in vitro and in vivo and, therefore, can provide a naturally compatible scaffold for use in future bone tissue engineering.
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Affiliation(s)
- Kai Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Xianfeng Lin
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou 310016, China
| | - Qi Zhang
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou 325000, China
| | - Jinhu Ni
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou 325000, China
| | - Jianmin Li
- Department of Pathology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Jian Xiao
- Key Laboratory of Biotechnology Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, 325000, China.
| | - Yang Wang
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou 325000, China
| | - Yiheng Ye
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Li Chen
- The Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne 3010, Australia
| | - Keke Jin
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou 325000, China.
| | - Lei Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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138
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Kumar V, Gangwar AK, Kumar N. Evaluation of the Murine Dermal Matrix as a Biological Mesh in Dogs. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s40011-015-0543-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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139
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Wu P, Nakamura N, Kimura T, Nam K, Fujisato T, Funamoto S, Higami T, Kishida A. Decellularized porcine aortic intima-media as a potential cardiovascular biomaterial. Interact Cardiovasc Thorac Surg 2015; 21:189-94. [DOI: 10.1093/icvts/ivv113] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Accepted: 04/02/2015] [Indexed: 01/07/2023] Open
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140
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Mahara A, Somekawa S, Kobayashi N, Hirano Y, Kimura Y, Fujisato T, Yamaoka T. Tissue-engineered acellular small diameter long-bypass grafts with neointima-inducing activity. Biomaterials 2015; 58:54-62. [PMID: 25941782 DOI: 10.1016/j.biomaterials.2015.04.031] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 04/10/2015] [Accepted: 04/14/2015] [Indexed: 02/02/2023]
Abstract
Researchers have attempted to develop efficient antithrombogenic surfaces, and yet small-caliber artificial vascular grafts are still unavailable. Here, we demonstrate the excellent patency of tissue-engineered small-caliber long-bypass grafts measuring 20-30 cm in length and having a 2-mm inner diameter. The inner surface of an acellular ostrich carotid artery was modified with a novel heterobifunctional peptide composed of a collagen-binding region and the integrin α4β1 ligand, REDV. Six grafts were transplanted in the femoral-femoral artery crossover bypass method. Animals were observed for 20 days and received no anticoagulant medication. No thrombogenesis was observed on the luminal surface and five cases were patent. In contrast, all unmodified grafts became occluded, and severe thrombosis was observed. The vascular grafts reported here are the first successful demonstrations of short-term patency at clinically applicable sizes.
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Affiliation(s)
- Atsushi Mahara
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Fujishiro-dai, Suita, Osaka 565-8565, Japan
| | - Shota Somekawa
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Fujishiro-dai, Suita, Osaka 565-8565, Japan; Department of Biobased Materials Science, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Naoki Kobayashi
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Fujishiro-dai, Suita, Osaka 565-8565, Japan; Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3-3-35 Yamatecho, Suita, Osaka 565-8680, Japan
| | - Yoshiaki Hirano
- Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3-3-35 Yamatecho, Suita, Osaka 565-8680, Japan
| | - Yoshiharu Kimura
- Department of Biobased Materials Science, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Toshiya Fujisato
- Department of Biomedical Engineering, Osaka Institute of Technology, 5-16-1, Omiya, Asahi-ku, Osaka 535-8585, Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Fujishiro-dai, Suita, Osaka 565-8565, Japan.
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141
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Optimizing perfusion-decellularization methods of porcine livers for clinical-scale whole-organ bioengineering. BIOMED RESEARCH INTERNATIONAL 2015; 2015:785474. [PMID: 25918720 PMCID: PMC4396818 DOI: 10.1155/2015/785474] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 03/03/2015] [Accepted: 03/03/2015] [Indexed: 02/05/2023]
Abstract
Aim. To refine the decellularization protocol of whole porcine liver, which holds great promise for liver tissue engineering. Methods. Three decellularization methods for porcine livers (1% sodium dodecyl sulfate (SDS), 1% Triton X-100 + 1% sodium dodecyl sulfate, and 1% sodium deoxycholate + 1% sodium dodecyl sulfate) were studied. The obtained liver scaffolds were processed for histology, residual cellular content analysis, and extracellular matrix (ECM) components evaluation to investigate decellularization efficiency and ECM preservation. Rat primary hepatocytes were seeded into three kinds of scaffold to detect the biocompatibility. Results. The whole liver decellularization was successfully achieved following all three kinds of treatment. SDS combined with Triton had a high efficacy of cellular removal and caused minimal disruption of essential ECM components; it was also the most biocompatible procedure for primary hepatocytes. Conclusion. We have refined a novel, standardized, time-efficient, and reproducible protocol for the decellularization of whole liver which can be further adapted to liver tissue engineering.
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142
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The rapid inactivation of porcine skin by applying high hydrostatic pressure without damaging the extracellular matrix. BIOMED RESEARCH INTERNATIONAL 2015; 2015:587247. [PMID: 25879028 PMCID: PMC4387949 DOI: 10.1155/2015/587247] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 03/13/2015] [Accepted: 03/15/2015] [Indexed: 02/07/2023]
Abstract
We previously reported that high hydrostatic pressure (HHP) of 200 MPa for 10 minutes could induce cell killing. In this study, we explored whether HHP at 200 MPa or HHP at lower pressure, in combination with hyposmotic distilled water (DW), could inactivate the skin, as well as cultured cells. We investigated the inactivation of porcine skin samples 4 mm in diameter. They were immersed in either a normal saline solution (NSS) or DW, and then were pressurized at 100 and 200 MPa for 5, 10, 30, or 60 min. Next, we explored the inactivation of specimens punched out from the pressurized skin 10×2 cm in size. The viability was evaluated using a WST-8 assay and an outgrowth culture. The histology of specimens was analyzed histologically. The mitochondrial activity was inactivated after the pressurization at 200 MPa in both experiments, and no outgrowth was observed after the pressurization at 200 MPa. The arrangement and proportion of the dermal collagen fibers or the elastin fibers were not adversely affected after the pressurization at 200 MPa for up to 60 minutes. This study showed that a HHP at 200 MPa for 10 min could inactivate the skin without damaging the dermal matrix.
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143
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탈세포 장기 지지체의 제조 및 분석기법. Tissue Eng Regen Med 2015. [DOI: 10.1007/s13770-014-0421-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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144
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Decellularization of porcine carotid by the recipient's serum and evaluation of its biocompatibility using a rat autograft model. J Artif Organs 2015; 18:136-42. [PMID: 25636594 DOI: 10.1007/s10047-015-0819-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 01/17/2015] [Indexed: 10/24/2022]
Abstract
Recently, decellularized tissues for organ transplantation and regeneration have been actively studied in the field of tissue engineering. In the decellularization process, surfactants such as sodium dodecyl sulfate (SDS) have been most commonly used to remove cellular components from the tissue. However, the residual surfactant may be cytotoxic in vivo and has been reported to hinder remodeling after implantation. In addition, treatment with surfactants may destroy the important extracellular matrix (ECM) structure that allows the decellularized tissue to function as a scaffold for cells. In this study, decellularized tissues with high biocompatibility were created using the recipient's serum. By immersing a heterogeneous tissue in serum conditioned to activate the complement system and DNase I, its cellular components could be removed. Compared to an SDS-treated graft, the serum-treated graft preserved the native structure of its ECM. When subcutaneously implanted into an isogenic inbred rat, the graft treated with the recipient's serum resulted in less immunorejection than did the SDS-treated graft.
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145
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Gao R, Wu W, Xiang J, Lv Y, Zheng X, Chen Q, Wang H, Wang B, Liu Z, Ma F. Hepatocyte culture in autologous decellularized spleen matrix. Organogenesis 2015; 11:16-29. [PMID: 25664568 PMCID: PMC4594376 DOI: 10.1080/15476278.2015.1011908] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 09/10/2014] [Accepted: 01/18/2015] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND AND AIMS Using decellularized scaffold to reengineer liver tissue is a promising alternative therapy for end-stage liver diseases. Though the decellularized human liver matrix is the ideal scaffold for reconstruction of the liver theoretically, the shortage of liver donors is still an obstacle for potential clinical application. Therefore, an appropriate alternative scaffold is needed. In the present study, we used a tissue engineering approach to prepare a rat decellularized spleen matrix (DSM) and evaluate the effectiveness of this DSM for primary rat hepatocytes culture. METHODS Rat decellularized spleen matrix (DSM) was prepared by perfusion of a series of detergents through spleen vasculature. DSM was characterized by residual DNA and specific extracellular matrix distribution. Thereafter, primary rat hepatocytes were cultured in the DSM in a 3-dimensional dynamic culture system, and liver cell survival and biological functions were evaluated by comparison with 3-dimensional sandwich culture and also with cultured in decellularized liver matrix (DLM). RESULTS Our research found that DSM did not exhibit any cellular components, but preserved the main extracellular matrix and the intact vasculature evaluated by DNA detection, histology, immunohistochemical staining, vessel corrosion cast and upright metallurgical microscope. Moreover, the method of DSM preparation procedure was relatively simple with high success rate (100%). After seeding primary hepatocytes in DSM, the cultured hepatocytes survived inside DSM with albumin synthesis and urea secretion within 10 d. Additionally, hepatocytes in dynamic culture medium had better biological functions at day 10 than that in sandwich culture. Albumin synthesis was 85.67 ± 6.34 μg/10(7) cell/24h in dynamic culture in DSM compared to 62.43 ± 4.59 μg/10(7) cell/24h in sandwich culture (P < 0.01) and to 87.54 ± 5.25 μg/10(7) cell/24h in DLM culture (P > 0.05); urea release was 32.14 ± 8.62 μg/10(7) cell/24h in dynamic culture in DSM compared to 20.47 ± 4.98 μg/10(7) cell/24h in sandwich culture (P < 0.05) and to 37.38 ± 7.29 μg/10(7) cell/24h cultured in DLM (P > 0.05). CONCLUSION The present study demonstrates that DSM can be prepared successfully using a tissue engineering approach. The DSM is an appropriate scaffold for primary hepatocytes culture.
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Affiliation(s)
- Rui Gao
- Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Wanquan Wu
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Department of Hepatobiliary Surgery; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Junxi Xiang
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Department of Hepatobiliary Surgery; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Yi Lv
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Department of Hepatobiliary Surgery; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Xinglong Zheng
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Department of Hepatobiliary Surgery; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Qian Chen
- Department of Bio-Medical Sciences; Philadelphia College of Osteopathic Medicine; Philadelphia, PA USA
| | - Haohua Wang
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Bo Wang
- Department of Hepatobiliary Surgery; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Zhengwen Liu
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Department of Infectious Diseases; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
| | - Feng Ma
- Institute of Advanced Surgical Techniques and Tissue Engineering Research; Xi'an Jiaotong University; Xi'an, Shaanxi, China
- Department of Hepatobiliary Surgery; First Hospital of Medical College; Xi'an Jiaotong University; Xi'an, Shaanxi, China
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146
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Mahara A, Sago M, Yamaguchi H, Ehashi T, Minatoya K, Tanaka H, Nakatani T, Moritan T, Fujisato T, Yamaoka T. Micro-CT evaluation of high pressure-decellularized cardiovascular tissues transplanted in rat subcutaneous accelerated-calcification model. J Artif Organs 2014; 18:143-50. [PMID: 25472919 DOI: 10.1007/s10047-014-0808-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 11/23/2014] [Indexed: 01/25/2023]
Abstract
We have succeeded in reducing the calcification of acellular aortas or valves in porcine allogeneic system by removing the DNA and phospholipids, but its further reduction is desirable. Here, the calcification of the acellular tissue was evaluated in rat subcutaneous transplantation model which is known as calcification model. Acellular samples prepared by high-hydrostatic pressure (HHP) protocols with different washing media were implanted and the calcification was monitored under micro-computed tomography for 1 and 3 months. The amount of the calcium deposition was quantitatively evaluated by atomic absorption spectroscopy. A cell culture medium showed very good cell removal ability but led to severe calcification at 1 month, and surprisingly the calcium deposition increased as the washing period increased. This calcification was suppressed by removing the DNA fraction with high DNase concentration. On the other hand, the calcification was greatly reduced when washed with saline even at low DNase concentration after 2 weeks washing. These results suggest that the ion species in the washing medium and the residual DNase cooperatively affect the tendency of in vivo calcification, which led us to the possibility of reduced calcification of acellular cardiac tissues.
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Affiliation(s)
- Atsushi Mahara
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Japan
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147
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Nam K, Shimatsu Y, Matsushima R, Kimura T, Kishida A. In-situ polymerization of PMMA inside decellularized dermis using UV photopolymerization. Eur Polym J 2014. [DOI: 10.1016/j.eurpolymj.2014.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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148
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Wang Y, Bao J, Wu Q, Zhou Y, Li Y, Wu X, Shi Y, Li L, Bu H. Method for perfusion decellularization of porcine whole liver and kidney for use as a scaffold for clinical-scale bioengineering engrafts. Xenotransplantation 2014; 22:48-61. [PMID: 25291435 DOI: 10.1111/xen.12141] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 08/26/2014] [Indexed: 02/05/2023]
Abstract
BACKGROUND Whole-organ engineering provides a new alternative source of donor organs for xenotransplantation. Utilization of decellularized whole-organ scaffolds, which can be created by detergent perfusion, is a strategy for tissue engineering. In this article, our aim is to scale up the decellularization process to human-sized liver and kidney to generate a decellularized matrix with optimal and stable characteristics on a clinically relevant scale. METHODS Whole porcine liver and kidney were decellularized by perfusion using different detergents (1% SDS, 1% Triton X-100, 1% peracetic acid (PAA), and 1% NaDOC) via the portal vein and renal artery of the liver and kidney, respectively. After rinsing with PBS to remove the detergents, the obtained liver and kidney extracellular matrix (ECM) were processed for histology, residual cellular content analysis, and ECM components evaluation to investigate decellularization efficiency, xenoantigens removal, and ECM preservation. RESULTS The resulting liver and kidney scaffolds in the SDS-treated group showed the most efficient clearance of cellular components and xenoantigens, including DNA and protein, and preservation of the extracellular matrix composition. In comparison, cell debris was observed in the other decellularized groups that were generated using Triton X-100, PAA, and NaDOC. Special staining and immunochemistry of the porcine liver and kidney ECMs further confirmed the disrupted three-dimension ultrastructure of the ECM in the Triton X-100 and NaDOC groups. Additionally, Triton X-100 effectively eliminated the residual SDS in the SDS-treated group, which ensured the scaffolds were not cytotoxic to cells. Thus, we have developed an optimal method that can be scaled up for use with other solid whole organs. CONCLUSIONS Our SDS-perfusion protocol can be used for porcine liver and kidney decellularization to obtain organ scaffolds cleared of cellular material, xenoimmunogens, and preserved vital ECM components.
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Affiliation(s)
- Yujia Wang
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China; Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, West China Hospital, Sichuan University, Chengdu, China
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149
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Relation between the tissue structure and protein permeability of decellularized porcine aorta. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 43:465-71. [DOI: 10.1016/j.msec.2014.06.041] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Revised: 06/07/2014] [Accepted: 06/30/2014] [Indexed: 01/16/2023]
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150
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Luo H, Zhu B, Zhang Y, Jin Y. Tissue-engineered nerve constructs under a microgravity system for peripheral nerve regeneration. Tissue Eng Part A 2014; 21:267-76. [PMID: 25088840 DOI: 10.1089/ten.tea.2013.0565] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Mesenchymal stem cells (MSCs) seeded in a 3D scaffold often present characteristics of low proliferation and migration, which affect the microstructure of tissue-engineered nerves (TENs) and impair the therapeutic effects of nerve defects. By promoting MSC differentiation and mass/nutrient transport, rotary cell culture systems (RCCSs) display potential for advancing the construction of MSC-based TENs. Thus, in this study, we attempted to construct a TEN composed of adipose-derived mesenchymal stem cells (ADSCs) and acellular nerve graft (ANG) utilizing an RCCS. Compared to TENs prepared in a static 3D approach, MTT and cell count results displayed an increased number of ADSCs for TENs in an RCCS. The similarity in cell cycle states and high rates of apoptosis in the static 3D culture demonstrated that the higher proliferation in the RCCS was not due to microgravity regulation but a result of preferential mass/nutrient transport. Quantitative PCR and ELISA indicated that the RCCS promoted the expression of ADSC neural differentiation-associated genes compared to the static 3D culture. Furthermore, this difference was eliminated by adding the Notch1 signaling pathway inhibitor DAPT to the 3D static culture. TEM, axon immunostaining, and retrograde labeling analysis after sciatic nerve transplantation indicated that the TENs prepared in the RCCS exhibited more regenerative characteristics for repairing peripheral nerves than those prepared in a static 3D approach. Therefore, these findings suggest that the RCCS can modulate the construction, morphology, and function of engineered nerves as a promising alternative for nerve regeneration.
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Affiliation(s)
- Hailang Luo
- 1 Research and Development Center for Tissue Engineering, Fourth Military Medical University , Xi'an, China
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