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Möckel M, Baldok N, Walles T, Hartig R, Müller AJ, Reichl U, Genzel Y, Walles H, Wiese-Rischke C. Human 3D Airway Tissue Models for Real-Time Microscopy: Visualizing Respiratory Virus Spreading. Cells 2022; 11:cells11223634. [PMID: 36429061 PMCID: PMC9688616 DOI: 10.3390/cells11223634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/04/2022] [Accepted: 11/12/2022] [Indexed: 11/18/2022] Open
Abstract
Our knowledge about respiratory virus spreading is mostly based on monolayer cultures that hardly reflect the complex organization of the airway epithelium. Thus, there is a strong demand for biologically relevant models. One possibility to study virus spreading at the cellular level is real-time imaging. In an attempt to visualize virus spreading under somewhat more physiological conditions, Calu-3 cells and human primary fibroblasts were co-cultured submerged or as air-liquid interface (ALI). An influenza A virus (IAV) replicating well in cell culture, and carrying a red fluorescent protein (RFP) reporter gene was used for real-time imaging. Our three-dimensional (3D) models exhibited important characteristics of native airway epithelium including a basement membrane, tight junctions and, in ALI models, strong mucus production. In submerged models, first fluorescence signals appeared between 9 and 12 h post infection (hpi) with a low multiplicity of infection of 0.01. Virus spreading further proceeded in the immediate vicinity of infected cells. In ALI models, RFP was found at 22 hpi and later. Consequently, the progression of infection was delayed, in contrast to the submerged model. With these features, we believe that our 3D airway models can deliver new insights in the spreading of IAV and other respiratory viruses.
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Affiliation(s)
- Marion Möckel
- University Clinic for Cardiac and Thoracic Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany
| | - Nino Baldok
- University Clinic for Cardiac and Thoracic Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany
- Bioprocess Engineering Group, Max Planck Institute for Dynamics of Complex Technical Systems, D-39106 Magdeburg, Germany
| | - Thorsten Walles
- University Clinic for Cardiac and Thoracic Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany
| | - Roland Hartig
- Institute for Molecular and Clinical Immunology, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany
| | - Andreas J. Müller
- Institute for Molecular and Clinical Immunology, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany
- Helmholtz Centre for Infection Research, D-38124 Braunschweig, Germany
| | - Udo Reichl
- Bioprocess Engineering Group, Max Planck Institute for Dynamics of Complex Technical Systems, D-39106 Magdeburg, Germany
| | - Yvonne Genzel
- Bioprocess Engineering Group, Max Planck Institute for Dynamics of Complex Technical Systems, D-39106 Magdeburg, Germany
| | - Heike Walles
- Core Facility Tissue Engineering, Otto-von-Guericke-University Magdeburg, D-39106 Magdeburg, Germany
| | - Cornelia Wiese-Rischke
- University Clinic for Cardiac and Thoracic Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany
- Correspondence:
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Baranovskii D, Demner J, Nürnberger S, Lyundup A, Redl H, Hilpert M, Pigeot S, Krasheninnikov M, Krasilnikova O, Klabukov I, Parshin V, Martin I, Lardinois D, Barbero A. Engineering of Tracheal Grafts Based on Recellularization of Laser-Engraved Human Airway Cartilage Substrates. Cartilage 2022; 13:19476035221075951. [PMID: 35189712 PMCID: PMC9137320 DOI: 10.1177/19476035221075951] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Implantation of tissue-engineered tracheal grafts represents a visionary strategy for the reconstruction of tracheal wall defects after resections and may develop into a last chance for a number of patients with severe cicatricial stenosis. The use of a decellularized tracheal substrate would offer an ideally stiff graft, but the matrix density would challenge efficient remodeling into a living cartilage. In this study, we hypothesized that the pores of decellularized laser-perforated tracheal cartilage (LPTC) tissues can be colonized by adult nasal chondrocytes (NCs) to produce new cartilage tissue suitable for the repair of tracheal defects. DESIGN Human, native tracheal specimens, isolated from cadaveric donors, were exposed to decellularized and laser engraving-controlled superficial perforation (300 μm depth). Human or rabbit NCs were cultured on the LPTCs for 1 week. The resulting revitalized tissues were implanted ectopically in nude mice or orthotopically in tracheal wall defects in rabbits. Tissues were assayed histologically and by microtomography analyses before and after implantation. RESULTS NCs were able to efficiently colonize the pores of the LPTCs. The extent of colonization (i.e., percentage of viable cells spanning >300 μm of tissue depth), cell morphology, and cartilage matrix deposition improved once the revitalized constructs were implanted ectopically in nude mice. LPTCs could be successfully grafted onto the tracheal wall of rabbits without any evidence of dislocation or tracheal stenosis, 8 weeks after implantation. Rabbit NCs, within the LPTCs, actively produced new cartilage matrix. CONCLUSION Implantation of NC-revitalized LPTCs represents a feasible strategy for the repair of tracheal wall defects.
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Affiliation(s)
- Denis Baranovskii
- Thoracic Surgery, University Hospital Basel, Basel, Switzerland,Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland,Department of Regenerative Technologies and Biofabrication, National Medical Research Radiological Center, Obninsk, Russia,Research and Educational Resource Center for Cellular Technologies, Peoples’ Friendship University of Russia, Moscow, Russia
| | - Jan Demner
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Sylvia Nürnberger
- Division of Trauma Surgery, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria,Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Vienna, Austria
| | - Alexey Lyundup
- Research and Educational Resource Center for Cellular Technologies, Peoples’ Friendship University of Russia, Moscow, Russia,Department of Advanced Cell Technologies, Sechenov University, Moscow, Russia
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Vienna, Austria
| | - Morgane Hilpert
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Sebastien Pigeot
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Michael Krasheninnikov
- Research and Educational Resource Center for Cellular Technologies, Peoples’ Friendship University of Russia, Moscow, Russia
| | - Olga Krasilnikova
- Department of Regenerative Technologies and Biofabrication, National Medical Research Radiological Center, Obninsk, Russia,Department of Advanced Cell Technologies, Sechenov University, Moscow, Russia
| | - Ilya Klabukov
- Department of Regenerative Technologies and Biofabrication, National Medical Research Radiological Center, Obninsk, Russia,Department of Advanced Cell Technologies, Sechenov University, Moscow, Russia
| | - Vladimir Parshin
- Institute of Clinical Medicine, Sechenov University, Moscow, Russia
| | - Ivan Martin
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland,Ivan Martin, Department of Biomedicine, Tissue Engineering Laboratory, University Hospital Basel, University of Basel, Basel, 4031, Switzerland.
| | | | - Andrea Barbero
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
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Wu L, Magaz A, Huo S, Darbyshire A, Loizidou M, Emberton M, Birchall M, Song W. Human airway-like multilayered tissue on 3D-TIPS printed thermoresponsive elastomer/collagen hybrid scaffolds. Acta Biomater 2020; 113:177-195. [PMID: 32663664 DOI: 10.1016/j.actbio.2020.07.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/21/2020] [Accepted: 07/07/2020] [Indexed: 01/13/2023]
Abstract
Developing a biologically representative complex tissue of the respiratory airway is challenging, however, beneficial for treatment of respiratory diseases, a common medical condition representing a leading cause of death in the world. This in vitro study reports a successful development of synthetic human tracheobronchial epithelium based on interpenetrated hierarchical networks composed of a reversely 3D printed porous structure of a thermoresponsive stiffness-softening elastomer nanohybrid impregnated with collagen nanofibrous hydrogel. Human bronchial epithelial cells (hBEpiCs) were able to attach and grow into an epithelial monolayer on the hybrid scaffolds co-cultured with either human bronchial fibroblasts (hBFs) or human bone-marrow derived mesenchymal stem cells (hBM-MSCs), with substantial enhancement of mucin expression, ciliation, well-constructed intercellular tight junctions and adherens junctions. The multi-layered co-culture 3D scaffolds consisting of a top monolayer of differentiated epithelium, with either hBFs or hBM-MSCs proliferating within the hyperelastic nanohybrid scaffold underneath, created a tissue analogue of the upper respiratory tract, validating these 3D printed guided scaffolds as a platform to support co-culture and cellular organization. In particular, hBM-MSCs in the co-culture system promoted an overall matured physiological tissue analogue of the respiratory system, a promising synthetic tissue for drug discovery, tracheal repair and reconstruction. STATEMENT OF SIGNIFICANCE: Respiratory diseases are a common medical condition and represent a leading cause of death in the world. However, the epithelium is one of the most challenging tissues to culture in vitro, and suitable tracheobronchial models, physiologically representative of the innate airway, remain largely elusive. This study presents, for the first time, a systematic approach for the development of functional multilayered epithelial synthetic tissue in vitro via co-culture on a 3D-printed thermoresponsive elastomer interpenetrated with a collagen hydrogel network. The viscoelastic nature of the scaffold with stiffness softening at body temperature provide a promising matrix for soft tissue engineering. The results presented here provide new insights about the epithelium at different surfaces and interfaces of co-culture, and pave the way to offer a customizable reproducible technology to generate physiologically relevant 3D biomimetic systems to advance our understanding of airway tissue regeneration.
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O'Leary C, Soriano L, Fagan-Murphy A, Ivankovic I, Cavanagh B, O'Brien FJ, Cryan SA. The Fabrication and in vitro Evaluation of Retinoic Acid-Loaded Electrospun Composite Biomaterials for Tracheal Tissue Regeneration. Front Bioeng Biotechnol 2020; 8:190. [PMID: 32266229 PMCID: PMC7103641 DOI: 10.3389/fbioe.2020.00190] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 02/27/2020] [Indexed: 12/24/2022] Open
Abstract
Although relatively rare, major trauma to the tracheal region of the airways poses a significant clinical challenge with few effective treatments. Bioengineering and regenerative medicine strategies have the potential to create biocompatible, implantable biomaterial scaffolds, with the capacity to restore lost tissue with functional neo-trachea. The main goal of this study was to develop a nanofibrous polycaprolactone-chitosan (PCL-Chitosan) scaffold loaded with a signaling molecule, all-trans retinoic acid (atRA), as a novel biomaterial approach for tracheal tissue engineering. Using the Spraybase® electrospinning platform, polymer concentration, solvent selection, and instrument parameters were optimized to yield a co-polymer with nanofibers of 181-197 nm in diameter that mimicked tracheobronchial tissue architecture. Thereafter, scaffolds were assessed for their biocompatibility and capacity to induce mucociliary functionalization using the Calu-3 cell line. PCL-Chitosan scaffolds were found to be biocompatible in nature and support Calu-3 cell viability over a 14 day time period. Additionally, the inclusion of atRA did not compromise Calu-3 cell viability, while still achieving an efficient encapsulation of the signaling molecule over a range of atRA concentrations. atRA release from scaffolds led to an increase in mucociliary gene expression at high scaffold loading doses, with augmented MUC5AC and FOXJ1 detected by RT-PCR. Overall, this scaffold integrates a synthetic polymer that has been used in human tracheal stents, a natural polymer generally regarded as safe (GRAS), and a drug with decades of use in patients. Coupled with the scalable nature of electrospinning as a fabrication method, all of these characteristics make the biomaterial outlined in this study amenable as an implantable device for an unmet clinical need in tracheal replacement.
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Affiliation(s)
- Cian O'Leary
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Luis Soriano
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Aidan Fagan-Murphy
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Ivana Ivankovic
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Brenton Cavanagh
- Cellular and Molecular Imaging Core, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Fergal J. O'Brien
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Center for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Sally-Ann Cryan
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Center for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
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Bauer HK, Flesch D, Walenta S, Unger RE, Schwab R, Nezi-Cahn S, Hasenburg A, Heller M, Brenner W. Primary Mucosal Epithelial Cell Cultivation: A Reliable and Accelerated Isolation. Tissue Eng Part C Methods 2019; 25:82-92. [DOI: 10.1089/ten.tec.2018.0327] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Affiliation(s)
- Heide-Katharina Bauer
- Department of Obstetrics and Women's Health, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Daniela Flesch
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Department of Urology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Stefan Walenta
- Institute of Pathophysiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Ronald E. Unger
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Roxana Schwab
- Department of Obstetrics and Women's Health, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Sandra Nezi-Cahn
- Department of Obstetrics and Women's Health, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Annette Hasenburg
- Department of Obstetrics and Women's Health, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Martin Heller
- Department of Obstetrics and Women's Health, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Walburgis Brenner
- Department of Obstetrics and Women's Health, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- BiomaTiCS - Biomaterials, Tissues and Cells in Science, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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The development of a tissue-engineered tracheobronchial epithelial model using a bilayered collagen-hyaluronate scaffold. Biomaterials 2016; 85:111-27. [PMID: 26871888 DOI: 10.1016/j.biomaterials.2016.01.065] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 01/25/2016] [Accepted: 01/28/2016] [Indexed: 02/05/2023]
Abstract
Today, chronic respiratory disease is one of the leading causes of mortality globally. Epithelial dysfunction can play a central role in its pathophysiology. The development of physiologically-representative in vitro model systems using tissue-engineered constructs might improve our understanding of epithelial tissue and disease. This study sought to engineer a bilayered collagen-hyaluronate (CHyA-B) scaffold for the development of a physiologically-representative 3D in vitro tracheobronchial epithelial co-culture model. CHyA-B scaffolds were fabricated by integrating a thin film top-layer into a porous sub-layer with lyophilisation. The film layer firmly connected to the sub-layer with delamination occurring at stresses of 12-15 kPa. Crosslinked scaffolds had a compressive modulus of 1.9 kPa and mean pore diameters of 70 μm and 80 μm, depending on the freezing temperature. Histological analysis showed that the Calu-3 bronchial epithelial cell line attached and grew on CHyA-B with adoption of an epithelial monolayer on the film layer. Immunofluorescence and qRT-PCR studies demonstrated that the CHyA-B scaffolds facilitated Calu-3 cell differentiation, with enhanced mucin expression, increased ciliation and the formation of intercellular tight junctions. Co-culture of Calu-3 cells with Wi38 lung fibroblasts was achieved on the scaffold to create a submucosal tissue analogue of the upper respiratory tract, validating CHyA-B as a platform to support co-culture and cellular organisation reminiscent of in vivo tissue architecture. In summary, this study has demonstrated that CHyA-B is a promising tool for the development of novel 3D tracheobronchial co-culture in vitro models with the potential to unravel new pathways in drug discovery and drug delivery.
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Saksena R, Gao C, Wicox M, de Mel A. Tubular organ epithelialisation. J Tissue Eng 2016; 7:2041731416683950. [PMID: 28228931 PMCID: PMC5308438 DOI: 10.1177/2041731416683950] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 11/21/2016] [Indexed: 12/11/2022] Open
Abstract
Hollow, tubular organs including oesophagus, trachea, stomach, intestine, bladder and urethra may require repair or replacement due to disease. Current treatment is considered an unmet clinical need, and tissue engineering strategies aim to overcome these by fabricating synthetic constructs as tissue replacements. Smart, functionalised synthetic materials can act as a scaffold base of an organ and multiple cell types, including stem cells can be used to repopulate these scaffolds to replace or repair the damaged or diseased organs. Epithelial cells have not yet completely shown to have efficacious cell-scaffold interactions or good functionality in artificial organs, thus limiting the success of tissue-engineered grafts. Epithelial cells play an essential part of respective organs to maintain their function. Without successful epithelialisation, hollow organs are liable to stenosis, collapse, extensive fibrosis and infection that limit patency. It is clear that the source of cells and physicochemical properties of scaffolds determine the successful epithelialisation. This article presents a review of tissue engineering studies on oesophagus, trachea, stomach, small intestine, bladder and urethral constructs conducted to actualise epithelialised grafts.
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Affiliation(s)
- Rhea Saksena
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Chuanyu Gao
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Mathew Wicox
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Achala de Mel
- Division of Surgery and Interventional Science, University College London, London, UK
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8
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O'Leary C, Gilbert JL, O'Dea S, O'Brien FJ, Cryan SA. Respiratory Tissue Engineering: Current Status and Opportunities for the Future. TISSUE ENGINEERING PART B-REVIEWS 2015; 21:323-44. [PMID: 25587703 DOI: 10.1089/ten.teb.2014.0525] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Currently, lung disease and major airway trauma constitute a major global healthcare burden with limited treatment options. Airway diseases such as chronic obstructive pulmonary disease and cystic fibrosis have been identified as the fifth highest cause of mortality worldwide and are estimated to rise to fourth place by 2030. Alternate approaches and therapeutic modalities are urgently needed to improve clinical outcomes for chronic lung disease. This can be achieved through tissue engineering of the respiratory tract. Interest is growing in the use of airway tissue-engineered constructs as both a research tool, to further our understanding of airway pathology, validate new drugs, and pave the way for novel drug therapies, and also as regenerative medical devices or as an alternative to transplant tissue. This review provides a concise summary of the field of respiratory tissue engineering to date. An initial overview of airway anatomy and physiology is given, followed by a description of the stem cell populations and signaling processes involved in parenchymal healing and tissue repair. We then focus on the different biomaterials and tissue-engineered systems employed in upper and lower respiratory tract engineering and give a final perspective of the opportunities and challenges facing the field of respiratory tissue engineering.
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Affiliation(s)
- Cian O'Leary
- 1 Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland , Dublin, Ireland .,2 School of Pharmacy, Royal College of Surgeons in Ireland , Dublin, Ireland .,3 Advanced Materials and Bioengineering Research (AMBER) Centre, Royal College of Surgeons in Ireland and Trinity College Dublin , Dublin, Ireland
| | - Jennifer L Gilbert
- 4 Department of Biology, Institute of Immunology, University of Ireland , Maynooth, Ireland
| | - Shirley O'Dea
- 4 Department of Biology, Institute of Immunology, University of Ireland , Maynooth, Ireland
| | - Fergal J O'Brien
- 1 Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland , Dublin, Ireland .,3 Advanced Materials and Bioengineering Research (AMBER) Centre, Royal College of Surgeons in Ireland and Trinity College Dublin , Dublin, Ireland .,5 Trinity Centre of Bioengineering, Trinity College Dublin , Dublin, Ireland
| | - Sally-Ann Cryan
- 1 Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland , Dublin, Ireland .,2 School of Pharmacy, Royal College of Surgeons in Ireland , Dublin, Ireland .,5 Trinity Centre of Bioengineering, Trinity College Dublin , Dublin, Ireland
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9
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Paz AC, Soleas J, Poon JC, Trieu D, Waddell TK, McGuigan AP. Challenges and Opportunities for Tissue-Engineering Polarized Epithelium. TISSUE ENGINEERING PART B-REVIEWS 2014; 20:56-72. [DOI: 10.1089/ten.teb.2013.0144] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ana C. Paz
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - John Soleas
- Latner Thoracic Surgery Research Laboratories, McEwen Centre for Regenerative Medicine, Toronto General Hospital, Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - James C.H. Poon
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Latner Thoracic Surgery Research Laboratories, McEwen Centre for Regenerative Medicine, Toronto General Hospital, Toronto, ON, Canada
| | - Dennis Trieu
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Latner Thoracic Surgery Research Laboratories, McEwen Centre for Regenerative Medicine, Toronto General Hospital, Toronto, ON, Canada
| | - Thomas K. Waddell
- Latner Thoracic Surgery Research Laboratories, McEwen Centre for Regenerative Medicine, Toronto General Hospital, Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Alison P. McGuigan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
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Tsao CK, Ko CY, Yang SR, Yang CY, Brey EM, Huang S, Chu IM, Cheng MH. An ectopic approach for engineering a vascularized tracheal substitute. Biomaterials 2013; 35:1163-75. [PMID: 24239301 DOI: 10.1016/j.biomaterials.2013.10.055] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 10/19/2013] [Indexed: 02/07/2023]
Abstract
Tissue engineering can provide alternatives to current methods for tracheal reconstruction. Here we describe an approach for ectopic engineering of vascularized trachea based on the implantation of co-cultured scaffolds surrounded by a muscle flap. Poly(L-lactic-co-glycolic acid) (PLGA) or poly(ε-caprolactone) (PCL) scaffolds were seeded with chondrocytes, bone marrow stem cells and co-cultured both cells respectively (8 groups), wrapped in a pedicled muscle flap, placed as an ectopic culture on the abdominal wall of rabbits (n = 24), and harvested after two and four weeks. Analysis of the biochemical and mechanical properties demonstrated that the PCL scaffold with co-culture cells seeding displayed the optimal chondrogenesis with adequate rigidity to maintain the cylindrical shape and luminal patency. Histological analysis confirmed that cartilage formed in the co-culture groups contained a more homogeneous and higher extracellular matrix content. The luminal surfaces appeared to support adequate epithelialization due to the formation of vascularized capsular tissue. A prefabricated neo-trachea was transferred to the defect as a tracheal replacement and yielded satisfactory results. These encouraging results indicate that our co-culture approach may enable the development of a clinically applicable neo-trachea.
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Affiliation(s)
- Chung-Kan Tsao
- Division of Reconstructive Microsurgery, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taoyuan, Taiwan
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11
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He X, Fu W, Zheng J. Cell sources for trachea tissue engineering: past, present and future. Regen Med 2013; 7:851-63. [PMID: 23164084 DOI: 10.2217/rme.12.96] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Trachea tissue engineering has been one of the most promising approaches to providing a potential clinical application for the treatment of long-segment tracheal stenosis. The sources of the cells are particularly important as the primary factor for tissue engineering. The use of appropriate cells seeded onto scaffolds holds huge promise as a means of engineering the trachea. Furthermore, appropriate cells would accelerate the regeneration of the tissue even without scaffolds. Besides autologous mature cells, various stem cells, including bone marrow-derived mesenchymal stem cells, adipose tissue-derived stem cells, umbilical cord blood-derived mesenchymal stem cells, amniotic fluid stem cells, embryonic stem cells and induced pluripotent stem cells, have received extensive attention in the field of trachea tissue engineering. Therefore, this article reviews the progress on different cell sources for engineering tracheal cartilage and epithelium, which can lead to a better selection and strategy for engineering the trachea.
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Affiliation(s)
- Xiaomin He
- Department of Cardiothoracic Surgery, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, 1678 Dong Fang Road, Shanghai 200127, China
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Lange P, Fishman JM, Elliott MJ, De Coppi P, Birchall MA. What can regenerative medicine offer for infants with laryngotracheal agenesis? Otolaryngol Head Neck Surg 2011; 145:544-50. [PMID: 21860060 DOI: 10.1177/0194599811419083] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Laryngotracheal agenesis is a rare congenital disorder but has devastating consequences. Recent achievements in regenerative medicine have opened up new vistas in therapeutic strategies for these infants. OBJECTIVE To provide a state-of-the-art review concerning recent achievements in tissue engineering as applied to fetal airway reconstruction and to discuss the use of autologous human amniotic stem cells to prepare organs in advance for babies with laryngotracheal agenesis. DATA SOURCES AND REVIEW METHODS A structured search of the current literature (up to and including June 2011). The authors searched PubMed, EMBASE, CINAHL, Web of Science, BIOSIS Previews, Cambridge Scientific Abstracts, ICTRP, and additional sources for published and unpublished trials. RESULTS Over the past 15 years, progress has been made in advancing the boundaries of regenerative medicine from the laboratory to the clinical setting through translational research. Most experience has been gained with adult stem cells and synthetic materials or decellularized scaffolds. The optimal cell source for fetal tissue engineering remains to be determined, but a combination of decellularized scaffolds and amniotic fluid stem cells holds great promise for fetal tissue engineering. CONCLUSIONS AND IMPLICATIONS FOR PRACTICE Current treatment strategies for laryngotracheal agenesis are suboptimal, and fetal tissue engineering offers an alternative to conventional treatments. Use of human amniotic fluid stem cells for preparing autologous tissue-engineered organ constructs prenatally is an attractive concept. Although this approach is still in its experimental stages, further preclinical and clinical studies are encouraged to define its exact role in the pediatric laryngological setting.
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Overview of Tracheal Tissue Engineering: Clinical Need Drives the Laboratory Approach. Ann Biomed Eng 2011; 39:2091-113. [DOI: 10.1007/s10439-011-0318-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Accepted: 04/22/2011] [Indexed: 11/25/2022]
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Kalathur M, Baiguera S, Macchiarini P. Translating tissue-engineered tracheal replacement from bench to bedside. Cell Mol Life Sci 2010; 67:4185-96. [PMID: 20730554 PMCID: PMC11115688 DOI: 10.1007/s00018-010-0499-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2010] [Revised: 07/13/2010] [Accepted: 08/04/2010] [Indexed: 01/06/2023]
Abstract
There are a variety of airway diseases with different clinical settings, which may extend from a surgical approach to total organ replacement. Tissue engineering involves modifying cells or tissues in order to repair, regenerate, or replace tissue in the body and seems to be a promising approach for airway replacement. The successful implantation of stem-cell-based tissue-engineered trachea in a young woman with end-stage post-tuberculosis left main bronchus collapse serves as a prototype for the airway tissue-engineered-based approach. The trachea indeed could represent a perfect model system to investigate the translational aspects of tissue engineering, largely due to its low-oxygen needs. This review highlights the anatomy of the airways, the various disease conditions that cause damage to the airways, elaborates on the essential components of the tissue-engineering approach, and discusses the success of the revolutionary trachea transplantation approach.
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Affiliation(s)
- Madhuri Kalathur
- BIOAIR Lab, Department of General Thoracic and Regenerative Surgery and Intrathoracic Biotransplantation, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy
| | - Silvia Baiguera
- BIOAIR Lab, Department of General Thoracic and Regenerative Surgery and Intrathoracic Biotransplantation, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy
| | - Paolo Macchiarini
- BIOAIR Lab, Department of General Thoracic and Regenerative Surgery and Intrathoracic Biotransplantation, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy
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Tissue engineering and biotechnology in general thoracic surgery. Eur J Cardiothorac Surg 2010; 37:1402-10. [DOI: 10.1016/j.ejcts.2009.12.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2009] [Revised: 12/18/2009] [Accepted: 12/30/2009] [Indexed: 12/18/2022] Open
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Bader A, Macchiarini P. Moving towards in situ tracheal regeneration: the bionic tissue engineered transplantation approach. J Cell Mol Med 2010; 14:1877-89. [PMID: 20406329 PMCID: PMC3823270 DOI: 10.1111/j.1582-4934.2010.01073.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
In June 2008, the world's first whole tissue-engineered organ - the windpipe - was successfully transplanted into a 31-year-old lady, and about 18 months following surgery she is leading a near normal life without immunosuppression. This outcome has been achieved by employing three groundbreaking technologies of regenerative medicine: (i) a donor trachea first decellularized using a detergent (without denaturing the collagenous matrix), (ii) the two main autologous tracheal cells, namely mesenchymal stem cell derived cartilage-like cells and epithelial respiratory cells and (iii) a specifically designed bioreactor that reseed, before implantation, the in vitro pre-expanded and pre-differentiated autologous cells on the desired surfaces of the decellularized matrix. Given the long-term safety, efficacy and efforts using such a conventional approach and the potential advantages of regenerative implants to make them available for anyone, we have investigated a novel alternative concept how to fully avoid in vitro cell replication, expansion and differentiation, use the human native site as micro-niche, potentiate the human body's site-specific response by adding boosting, permissive and recruitment impulses in full respect of sociological and regulatory prerequisites. This tissue-engineered approach and ongoing research in airway transplantation is reviewed and presented here.
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Affiliation(s)
- Augustinus Bader
- Centre for Biotechnology and Biomedicine, Department of Applied Stem Cell Biology and Cell Techniques, University of Leipzig, Leipzig, Germany
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Abstract
Regenerative medicine offers new tools with which to tackle disorders for which there is currently no good therapeutic option. The trachea is an ideal organ in which to explore the clinical potential of tissue engineering because severe large airway disease is poorly managed by conventional treatments, and the success of a graft is determined only by its ability to conduct air lifelong: that is, whether it can become a sustainable biological conduit. We define the component parts of tissue engineering and review the experimental methods used to produce airway implants to date, including a recent successful, first-in-man experience.
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Remplacement de trachée par reconstructions chirurgicales : état actuel de la recherche. ACTA ACUST UNITED AC 2009; 126:272-7. [DOI: 10.1016/j.aorl.2009.10.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2009] [Accepted: 10/07/2009] [Indexed: 12/21/2022]
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Bücheler M, von Foerster U, Haisch A, Bootz F, Lang S, Rotter N. [Tissue engineering of respiratory epithelium. Regenerative medicine for reconstructive surgery of the upper airways]. HNO 2008; 56:275-80. [PMID: 18286253 DOI: 10.1007/s00106-008-1677-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Reconstruction of long tracheal defects remains an unsolved surgical problem. Tissue engineering of respiratory epithelium is therefore of utmost surgical and scientific interest. Successful cultivation and reproduction of respiratory epithelium in vitro is crucial to seed scaffolds of various biomaterials with functionally active respiratory mucosa. Most frequently, the suspension culture as well as the tissue or explant cultures are used. Collagenous matrices, synthetic and biodegradable polymers, serve as carriers in studies. It is essential for clinical practice that mechanically stable biomaterials be developed that are resorbable in the long term or that cartilaginous constructs produced in vitro be employed which are seeded with respiratory epithelium before implantation. Vascularization of a bioartificial matrix for tracheal substitution is also prerequisite for integration of the constructs produced in vitro into the recipient organism. Here, the state of the art of research, perspectives and limitations of tracheal tissue engineering are reviewed.
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Affiliation(s)
- M Bücheler
- Klinik für Hals-Nasen-Ohren-Heilkunde/HNO-Chirurgie, Universitätsklinikum Bonn, Sigmund-Freud-Strasse 25, 53105 Bonn, Deutschland.
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