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Kapat K, Gondane P, Kumbhakarn S, Takle S, Sable R. Challenges and Opportunities in Developing Tracheal Substitutes for the Recovery of Long-Segment Defects. Macromol Biosci 2024:e2400054. [PMID: 39008817 DOI: 10.1002/mabi.202400054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 06/21/2024] [Indexed: 07/17/2024]
Abstract
Tracheal resection and reconstruction procedures are necessary when stenosis, tracheomalacia, tumors, vascular lesions, or tracheal injury cause a tracheal blockage. Replacement with a tracheal substitute is often recommended when the trauma exceeds 50% of the total length of the trachea in adults and 30% in children. Recently, tissue engineering and other advanced techniques have shown promise in fabricating biocompatible tracheal substitutes with physical, morphological, biomechanical, and biological characteristics similar to native trachea. Different polymers and biometals are explored. Even with limited success with tissue-engineered grafts in clinical settings, complete healing of tracheal defects remains a substantial challenge due to low mechanical strength and durability of the graft materials, inadequate re-epithelialization and vascularization, and restenosis. This review has covered a range of reconstructive and regenerative techniques, design criteria, the use of bioprostheses and synthetic grafts for the recovery of tracheal defects, as well as the traditional and cutting-edge methods of their fabrication, surface modification for increased immuno- or biocompatibility, and associated challenges.
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Affiliation(s)
- Kausik Kapat
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata, West Bengal, 700054, India
| | - Prashil Gondane
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata, West Bengal, 700054, India
| | - Sakshi Kumbhakarn
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata, West Bengal, 700054, India
| | - Shruti Takle
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata, West Bengal, 700054, India
| | - Rahul Sable
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata, West Bengal, 700054, India
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2
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Wei S, Zhang Y, Luo F, Duan K, Li M, Lv G. Tissue-engineered tracheal implants: Advancements, challenges, and clinical considerations. Bioeng Transl Med 2024; 9:e10671. [PMID: 39036086 PMCID: PMC11256149 DOI: 10.1002/btm2.10671] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/28/2024] [Accepted: 04/08/2024] [Indexed: 07/23/2024] Open
Abstract
Restoration of extensive tracheal damage remains a significant challenge in respiratory medicine, particularly in instances stemming from conditions like infection, congenital anomalies, or stenosis. The trachea, an essential element of the lower respiratory tract, constitutes a fibrocartilaginous tube spanning approximately 10-12 cm in length. It is characterized by 18 ± 2 tracheal cartilages distributed anterolaterally with the dynamic trachealis muscle located posteriorly. While tracheotomy is a common approach for patients with short-length defects, situations requiring replacement arise when the extent of lesion exceeds 1/2 of the length in adults (or 1/3 in children). Tissue engineering (TE) holds promise in developing biocompatible airway grafts for addressing challenges in tracheal regeneration. Despite the potential, the extensive clinical application of tissue-engineered tracheal substitutes encounters obstacles, including insufficient revascularization, inadequate re-epithelialization, suboptimal mechanical properties, and insufficient durability. These limitations have led to limited success in implementing tissue-engineered tracheal implants in clinical settings. This review provides a comprehensive exploration of historical attempts and lessons learned in the field of tracheal TE, contextualizing the clinical prerequisites and vital criteria for effective tracheal grafts. The manufacturing approaches employed in TE, along with the clinical application of both tissue-engineered and non-tissue-engineered approaches for tracheal reconstruction, are discussed in detail. By offering a holistic view on TE substitutes and their implications for the clinical management of long-segment tracheal lesions, this review aims to contribute to the understanding and advancement of strategies in this critical area of respiratory medicine.
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Affiliation(s)
- Shixiong Wei
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
- Department of Thoracic SurgeryThe First Hospital of Jilin UniversityChangchunChina
| | - Yiyuan Zhang
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
- Department of Thoracic SurgeryThe First Hospital of Jilin UniversityChangchunChina
| | - Feixiang Luo
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
| | - Kexing Duan
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
| | - Mingqian Li
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
| | - Guoyue Lv
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
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3
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Khalid U, Uchikov P, Hristov B, Kraev K, Koleva-Ivanova M, Kraeva M, Batashki A, Taneva D, Doykov M, Uchikov A. Surgical Innovations in Tracheal Reconstruction: A Review on Synthetic Material Fabrication. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:40. [PMID: 38256300 PMCID: PMC10820818 DOI: 10.3390/medicina60010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024]
Abstract
Background and Objectives: The aim of this review is to explore the recent surgical innovations in tracheal reconstruction by evaluating the uses of synthetic material fabrication when dealing with tracheomalacia or stenotic pathologies, then discussing the challenges holding back these innovations. Materials and Methods: A targeted non-systematic review of published literature relating to tracheal reconstruction was performed within the PubMed database to help identify how synthetic materials are utilised to innovate tracheal reconstruction. Results: The advancements in 3D printing to aid synthetic material fabrication have unveiled promising alternatives to conventional approaches. Achieving successful tracheal reconstruction through this technology demands that the 3D models exhibit biocompatibility with neighbouring tracheal elements by encompassing vasculature, chondral foundation, and immunocompatibility. Tracheal reconstruction has employed grafts and scaffolds, showing a promising beginning in vivo. Concurrently, the integration of resorbable models and stem cell therapy serves to underscore their viability and application in the context of tracheal pathologies. Despite this, certain barriers hinder its advancement in surgery. The intricate tracheal structure has posed a challenge for researchers seeking novel approaches to support its growth and regeneration. Conclusions: The potential of synthetic material fabrication has shown promising outcomes in initial studies involving smaller animals. Yet, to fully realise the applicability of these innovative developments, research must progress toward clinical trials. These trials would ascertain the anatomical and physiological effects on the human body, enabling a thorough evaluation of post-operative outcomes and any potential complications linked to the materials or cells implanted in the trachea.
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Affiliation(s)
- Usman Khalid
- Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Petar Uchikov
- Department of Special Surgery, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Bozhidar Hristov
- Section "Gastroenterology", Second Department of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Krasimir Kraev
- Department of Propedeutics of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Maria Koleva-Ivanova
- Department of General and Clinical Pathology, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Maria Kraeva
- Department of Otorhynolaryngology, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Atanas Batashki
- Department of Special Surgery, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Daniela Taneva
- Department of Nursing Care, Faculty of Public Health, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Mladen Doykov
- Department of Urology and General Medicine, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Angel Uchikov
- Department of Special Surgery, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
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4
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Khalid T, Soriano L, Lemoine M, Cryan SA, O’Brien FJ, O’Leary C. Development of tissue-engineered tracheal scaffold with refined mechanical properties and vascularisation for tracheal regeneration. Front Bioeng Biotechnol 2023; 11:1187500. [PMID: 37346796 PMCID: PMC10281188 DOI: 10.3389/fbioe.2023.1187500] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/04/2023] [Indexed: 06/23/2023] Open
Abstract
Introduction: Attempted tracheal replacement efforts thus far have had very little success. Major limiting factors have been the inability to efficiently re-vascularise and mimic the mechanical properties of native tissue. The major objective of this study was to optimise a previously developed collagen-hyaluronic acid scaffold (CHyA-B), which has shown to facilitate the growth of respiratory cells in distinct regions, as a potential tracheal replacement device. Methods: A biodegradable thermoplastic polymer was 3D-printed into different designs and underwent multi-modal mechanical assessment. The 3D-printed constructs were incorporated into the CHyA-B scaffolds and subjected to in vitro and ex vivo vascularisation. Results: The polymeric backbone provided sufficient strength to the CHyA-B scaffold, with yield loads of 1.31-5.17 N/mm and flexural moduli of 0.13-0.26 MPa. Angiogenic growth factor release (VEGF and bFGF) and angiogenic gene upregulation (KDR, TEK-2 and ANG-1) was detected in composite scaffolds and remained sustainable up to 14 days. Confocal microscopy and histological sectioning confirmed the presence of infiltrating blood vessel throughout composite scaffolds both in vitro and ex vivo. Discussion: By addressing both the mechanical and physiological requirements of tracheal scaffolds, this work has begun to pave the way for a new therapeutic option for large tracheal defects.
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Affiliation(s)
- Tehreem Khalid
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Tissue Engineering Research Group, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI and Trinity College Dublin, Dublin, Ireland
| | - Luis Soriano
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Tissue Engineering Research Group, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Centre for Research in Biomedical Devices (CÚRAM), NUI Galway, Galway, Ireland
| | - Mark Lemoine
- Tissue Engineering Research Group, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI and Trinity College Dublin, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Sally-Ann Cryan
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Tissue Engineering Research Group, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI and Trinity College Dublin, Dublin, Ireland
- Centre for Research in Biomedical Devices (CÚRAM), NUI Galway, Galway, Ireland
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Fergal J. O’Brien
- Tissue Engineering Research Group, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI and Trinity College Dublin, Dublin, Ireland
- Centre for Research in Biomedical Devices (CÚRAM), NUI Galway, Galway, Ireland
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Cian O’Leary
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Tissue Engineering Research Group, RCSI University of Medicine and Health Sciences, Dublin, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI and Trinity College Dublin, Dublin, Ireland
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Abstract
Tumor metastasis is a multiple cascade process where tumor cells disseminate from the primary site to distant organs and subsequently adapt to the foreign microenvironment. Simulating the physiology of tumor metastatic events in a realistic and three-dimensional (3D) manner is a challenge for in vitro modeling. 3D bioprinting strategies, which can generate well-customized and bionic structures, enable the exploration of dynamic tumor metastasis process in a species-homologous, high-throughput and reproducible way. In this review, we summarize the recent application of 3D bioprinting in constructing in vitro tumor metastatic models and discuss its advantages and current limitations. Further perspectives on how to harness the potential of accessible 3D bioprinting strategies to better model tumor metastasis and guide anti-cancer therapies are also provided.
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Affiliation(s)
- Manqing Lin
- Department of Respiratory Medicine, The Second Hospital, Dalian Medical University, Dalian 116023, China
| | - Mengyi Tang
- Department of Respiratory Medicine, The Second Hospital, Dalian Medical University, Dalian 116023, China
| | - Wenzhe Duan
- Department of Respiratory Medicine, The Second Hospital, Dalian Medical University, Dalian 116023, China
| | - Shengkai Xia
- Department of Respiratory Medicine, The Second Hospital, Dalian Medical University, Dalian 116023, China
| | - Wenwen Liu
- Cancer Translational Medicine Research Center, The Second Hospital, Dalian Medical University, Dalian 116023, China
| | - Qi Wang
- Department of Respiratory Medicine, The Second Hospital, Dalian Medical University, Dalian 116023, China
- Cancer Translational Medicine Research Center, The Second Hospital, Dalian Medical University, Dalian 116023, China
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Lee HY, Lee JW. Current Status and Future Outlook of Additive Manufacturing Technologies for the Reconstruction of the Trachea. J Funct Biomater 2023; 14:jfb14040196. [PMID: 37103286 PMCID: PMC10141199 DOI: 10.3390/jfb14040196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/27/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023] Open
Abstract
Tracheal stenosis and defects occur congenitally and in patients who have undergone tracheal intubation and tracheostomy due to long-term intensive care. Such issues may also be observed during tracheal removal during malignant head and neck tumor resection. However, to date, no treatment method has been identified that can simultaneously restore the appearance of the tracheal skeleton while maintaining respiratory function in patients with tracheal defects. Therefore, there is an urgent need to develop a method that can maintain tracheal function while simultaneously reconstructing the skeletal structure of the trachea. Under such circumstances, the advent of additive manufacturing technology that can create customized structures using patient medical image data provides new possibilities for tracheal reconstruction surgery. In this study, the three-dimensional (3D) printing and bioprinting technologies used in tracheal reconstruction are summarized, and various research results related to the reconstruction of mucous membranes, cartilage, blood vessels, and muscle tissue, which are tissues required for tracheal reconstruction, are classified. The prospects for 3D-printed tracheas in clinical studies are also described. This review serves as a guide for the development of artificial tracheas and clinical trials using 3D printing and bioprinting.
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Affiliation(s)
- Hwa-Yong Lee
- Division of Science Education, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jin Woo Lee
- Department of Molecular Medicine, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
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Alternative lung cell model systems for toxicology testing strategies: Current knowledge and future outlook. Semin Cell Dev Biol 2023; 147:70-82. [PMID: 36599788 DOI: 10.1016/j.semcdb.2022.12.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 01/04/2023]
Abstract
Due to the current relevance of pulmonary toxicology (with focus upon air pollution and the inhalation of hazardous materials), it is important to further develop and implement physiologically relevant models of the entire respiratory tract. Lung model development has the aim to create human relevant systems that may replace animal use whilst balancing cost, laborious nature and regulatory ambition. There is an imperative need to move away from rodent models and implement models that mimic the holistic characteristics important in lung function. The purpose of this review is therefore, to describe and identify the various alternative models that are being applied towards assessing the pulmonary toxicology of inhaled substances, as well as the current and potential developments of various advanced models and how they may be applied towards toxicology testing strategies. These models aim to mimic various regions of the lung, as well as implementing different exposure methods with the addition of various physiologically relevent conditions (such as fluid-flow and dynamic movement). There is further progress in the type of models used with focus on the development of lung-on-a-chip technologies and bioprinting, as well as and the optimization of such models to fill current knowledge gaps within toxicology.
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Dabaghi M, Carpio MB, Moran-Mirabal JM, Hirota JA. 3D (bio)printing of lungs: past, present, and future. Eur Respir J 2023; 61:13993003.00417-2022. [PMID: 36265881 DOI: 10.1183/13993003.00417-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 10/06/2022] [Indexed: 01/11/2023]
Affiliation(s)
- Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health, Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Mabel Barreiro Carpio
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada
| | | | - Jeremy Alexander Hirota
- Firestone Institute for Respiratory Health, Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada
- Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Biology, University of Waterloo, Waterloo, ON, Canada
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Panja N, Maji S, Choudhuri S, Ali KA, Hossain CM. 3D Bioprinting of Human Hollow Organs. AAPS PharmSciTech 2022; 23:139. [PMID: 35536418 PMCID: PMC9088731 DOI: 10.1208/s12249-022-02279-9] [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] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/09/2022] [Indexed: 01/12/2023] Open
Abstract
3D bioprinting is a rapidly evolving technique that has been found to have extensive applications in disease research, tissue engineering, and regenerative medicine. 3D bioprinting might be a solution to global organ shortages and the growing aversion to testing cell patterning for novel tissue fabrication and building superior disease models. It has the unrivaled capability of layer-by-layer deposition using different types of biomaterials, stem cells, and biomolecules with a perfectly regulated spatial distribution. The tissue regeneration of hollow organs has always been a challenge for medical science because of the complexities of their cell structures. In this mini review, we will address the status of the science behind tissue engineering and 3D bioprinting of epithelialized tubular hollow organs. This review will also cover the current challenges and prospects, as well as the application of these complicated 3D-printed organs.
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Frejo L, Goldstein T, Swami P, Patel NA, Grande DA, Zeltsman D, Smith LP. A two-stage in vivo approach for implanting a 3D printed tissue-engineered tracheal replacement graft: A proof of concept. Int J Pediatr Otorhinolaryngol 2022; 155:111066. [PMID: 35189447 DOI: 10.1016/j.ijporl.2022.111066] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 01/04/2022] [Accepted: 02/12/2022] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To optimize a 3D printed tissue-engineered tracheal construct using a combined in vitro and a two-stage in vivo technique. METHODS A 3D-CAD (Computer-aided Design) template was created; rabbit chondrocytes were harvested and cultured. A Makerbot Replicator™ 2x was used to print a polycaprolactone (PCL) scaffold which was then combined with a bio-ink and the previously harvested chondrocytes. In vitro: Cell viability was performed by live/dead assay using Calcein A/Ethidium. Gene expression was performed using quantitative real-time PCR for the following genes: Collagen Type I and type II, Sox-9, and Aggrecan. In vivo: Surgical implantation occurred in two stages: 1) Index procedure: construct was implanted within a pocket in the strap muscles for 21 days and, 2) Final surgery: construct with vascularized pedicle was rotated into a segmental tracheal defect for 3 or 6 weeks. Following euthanasia, the construct and native trachea were explanted and evaluated. RESULTS In vitro: After 14 days in culture the constructs showed >80% viable cells. Collagen type II and sox-9 were overexpressed in the construct from day 2 and by day 14 all genes were overexpressed when compared to chondrocytes in monolayer. IN VIVO By day 21 (immediately before the rotation), cartilage formation could be seen surrounding all the constructs. Mature cartilage was observed in the grafts after 6 or 9 weeks in vivo. CONCLUSION This two-stage approach for implanting a 3D printed tissue-engineered tracheal replacement construct has been optimized to yield a high-quality, printable segment with cellular growth and viability both in vitro and in vivo.
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Affiliation(s)
- Lidia Frejo
- The Feinstein Institutes for Medical Research, Manhasset, NY, USA; Division of Pediatric Otolaryngology, Steven and Alexandra Cohen Children's Medical Center, New Hyde Park, NY, USA
| | - Todd Goldstein
- The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Pooja Swami
- The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Neha A Patel
- Division of Pediatric Otolaryngology, Steven and Alexandra Cohen Children's Medical Center, New Hyde Park, NY, USA; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - Daniel A Grande
- The Feinstein Institutes for Medical Research, Manhasset, NY, USA; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - David Zeltsman
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA; Division of Thoracic Surgery, Northwell Health, New Hyde Park, NY, USA; Division of Thoracic Surgery, Long Island Jewish Medical Center, New Hyde Park, NY, USA
| | - Lee P Smith
- Division of Pediatric Otolaryngology, Steven and Alexandra Cohen Children's Medical Center, New Hyde Park, NY, USA; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA.
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11
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Soriano L, Khalid T, Whelan D, O'Huallachain N, Redmond KC, O'Brien FJ, O'Leary C, Cryan SA. Development and clinical translation of tubular constructs for tracheal tissue engineering: a review. Eur Respir Rev 2021; 30:30/162/210154. [PMID: 34750116 DOI: 10.1183/16000617.0154-2021] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023] Open
Abstract
Effective restoration of extensive tracheal damage arising from cancer, stenosis, infection or congenital abnormalities remains an unmet clinical need in respiratory medicine. The trachea is a 10-11 cm long fibrocartilaginous tube of the lower respiratory tract, with 16-20 tracheal cartilages anterolaterally and a dynamic trachealis muscle posteriorly. Tracheal resection is commonly offered to patients suffering from short-length tracheal defects, but replacement is required when the trauma exceeds 50% of total length of the trachea in adults and 30% in children. Recently, tissue engineering (TE) has shown promise to fabricate biocompatible tissue-engineered tracheal implants for tracheal replacement and regeneration. However, its widespread use is hampered by inadequate re-epithelialisation, poor mechanical properties, insufficient revascularisation and unsatisfactory durability, leading to little success in the clinical use of tissue-engineered tracheal implants to date. Here, we describe in detail the historical attempts and the lessons learned for tracheal TE approaches by contextualising the clinical needs and essential requirements for a functional tracheal graft. TE manufacturing approaches explored to date and the clinical translation of both TE and non-TE strategies for tracheal regeneration are summarised to fully understand the big picture of tracheal TE and its impact on clinical treatment of extensive tracheal defects.
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Affiliation(s)
- Luis Soriano
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,Tissue Engineering Research Group, Dept of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Centre for Research in Medical Devices (CÚRAM), RCSI University of Medicine and Health Sciences, Dublin, Ireland.,Joint first authors
| | - Tehreem Khalid
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,Tissue Engineering Research Group, Dept of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI University of Medicine and Health Sciences and Trinity College Dublin, Dublin, Ireland.,Joint first authors
| | - Derek Whelan
- Dept of Mechanical, Biomedical and Manufacturing Engineering, Munster Technological University, Cork, Ireland
| | - Niall O'Huallachain
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland
| | - Karen C Redmond
- National Cardio-thoracic Transplant Unit, Mater Misericordiae University Hospital and UCD School of Medicine, Dublin, Ireland
| | - Fergal J O'Brien
- Tissue Engineering Research Group, Dept of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Centre for Research in Medical Devices (CÚRAM), RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI University of Medicine and Health Sciences and Trinity College Dublin, Dublin, Ireland.,Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Cian O'Leary
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,Tissue Engineering Research Group, Dept of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Centre for Research in Medical Devices (CÚRAM), RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI University of Medicine and Health Sciences and Trinity College Dublin, Dublin, Ireland.,Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland.,Both authors contributed equally
| | - Sally-Ann Cryan
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, Dublin, Ireland .,Tissue Engineering Research Group, Dept of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Centre for Research in Medical Devices (CÚRAM), RCSI University of Medicine and Health Sciences, Dublin, Ireland.,SFI Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI University of Medicine and Health Sciences and Trinity College Dublin, Dublin, Ireland.,Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland.,Both authors contributed equally
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12
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Barreiro Carpio M, Dabaghi M, Ungureanu J, Kolb MR, Hirota JA, Moran-Mirabal JM. 3D Bioprinting Strategies, Challenges, and Opportunities to Model the Lung Tissue Microenvironment and Its Function. Front Bioeng Biotechnol 2021; 9:773511. [PMID: 34900964 PMCID: PMC8653950 DOI: 10.3389/fbioe.2021.773511] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 10/25/2021] [Indexed: 12/22/2022] Open
Abstract
Human lungs are organs with an intricate hierarchical structure and complex composition; lungs also present heterogeneous mechanical properties that impose dynamic stress on different tissue components during the process of breathing. These physiological characteristics combined create a system that is challenging to model in vitro. Many efforts have been dedicated to develop reliable models that afford a better understanding of the structure of the lung and to study cell dynamics, disease evolution, and drug pharmacodynamics and pharmacokinetics in the lung. This review presents methodologies used to develop lung tissue models, highlighting their advantages and current limitations, focusing on 3D bioprinting as a promising set of technologies that can address current challenges. 3D bioprinting can be used to create 3D structures that are key to bridging the gap between current cell culture methods and living tissues. Thus, 3D bioprinting can produce lung tissue biomimetics that can be used to develop in vitro models and could eventually produce functional tissue for transplantation. Yet, printing functional synthetic tissues that recreate lung structure and function is still beyond the current capabilities of 3D bioprinting technology. Here, the current state of 3D bioprinting is described with a focus on key strategies that can be used to exploit the potential that this technology has to offer. Despite today's limitations, results show that 3D bioprinting has unexplored potential that may be accessible by optimizing bioink composition and looking at the printing process through a holistic and creative lens.
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Affiliation(s)
- Mabel Barreiro Carpio
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada
| | - Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health, Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Julia Ungureanu
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada
| | - Martin R. Kolb
- Firestone Institute for Respiratory Health, Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Jeremy A. Hirota
- Firestone Institute for Respiratory Health, Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada
- School of Biomedical Engineering, McMaster University, Hamilton, ON, Canada
- McMaster Immunology Research Centre, Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
- Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Biology, University of Waterloo, Waterloo, ON, Canada
| | - Jose Manuel Moran-Mirabal
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada
- School of Biomedical Engineering, McMaster University, Hamilton, ON, Canada
- Centre for Advanced Light Microscopy, McMaster University, Hamilton, ON, Canada
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13
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Di Piazza E, Pandolfi E, Cacciotti I, Del Fattore A, Tozzi AE, Secinaro A, Borro L. Bioprinting Technology in Skin, Heart, Pancreas and Cartilage Tissues: Progress and Challenges in Clinical Practice. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182010806. [PMID: 34682564 PMCID: PMC8535210 DOI: 10.3390/ijerph182010806] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/29/2021] [Accepted: 10/08/2021] [Indexed: 12/16/2022]
Abstract
Bioprinting is an emerging additive manufacturing technique which shows an outstanding potential for shaping customized functional substitutes for tissue engineering. Its introduction into the clinical space in order to replace injured organs could ideally overcome the limitations faced with allografts. Presently, even though there have been years of prolific research in the field, there is a wide gap to bridge in order to bring bioprinting from "bench to bedside". This is due to the fact that bioprinted designs have not yet reached the complexity required for clinical use, nor have clear GMP (good manufacturing practices) rules or precise regulatory guidelines been established. This review provides an overview of some of the most recent and remarkable achievements for skin, heart, pancreas and cartilage bioprinting breakthroughs while highlighting the critical shortcomings for each tissue type which is keeping this technique from becoming widespread reality.
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Affiliation(s)
- Eleonora Di Piazza
- Multifactorial and Complex Disease Research Area, Preventive and Predictive Medicine Unit, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (E.D.P.); (A.E.T.)
| | - Elisabetta Pandolfi
- Multifactorial and Complex Disease Research Area, Preventive and Predictive Medicine Unit, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (E.D.P.); (A.E.T.)
- Correspondence:
| | - Ilaria Cacciotti
- Engineering Department, Niccolò Cusano University of Rome, INSTM RU, 00166 Rome, Italy;
| | - Andrea Del Fattore
- Genetics and Rare Diseases Research Area, Bone Physiopathology Research Unit, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy;
| | - Alberto Eugenio Tozzi
- Multifactorial and Complex Disease Research Area, Preventive and Predictive Medicine Unit, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (E.D.P.); (A.E.T.)
| | - Aurelio Secinaro
- Clinical Management and Technological Innovations Area, Department of Imaging, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.S.); (L.B.)
| | - Luca Borro
- Clinical Management and Technological Innovations Area, Department of Imaging, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.S.); (L.B.)
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Pien N, Palladino S, Copes F, Candiani G, Dubruel P, Van Vlierberghe S, Mantovani D. Tubular bioartificial organs: From physiological requirements to fabrication processes and resulting properties. A critical review. Cells Tissues Organs 2021; 211:420-446. [PMID: 34433163 DOI: 10.1159/000519207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/25/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Nele Pien
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, Québec, Canada
- Polymer Chemistry & Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Sara Palladino
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, Québec, Canada
- GenT Lab, Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
| | - Francesco Copes
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, Québec, Canada
| | - Gabriele Candiani
- GenT Lab, Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
| | - Peter Dubruel
- Polymer Chemistry & Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Sandra Van Vlierberghe
- Polymer Chemistry & Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Diego Mantovani
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, Québec, Canada
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15
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Motility Improvement of Biomimetic Trachea Scaffold via Hybrid 3D-Bioprinting Technology. Polymers (Basel) 2021; 13:polym13060971. [PMID: 33810007 PMCID: PMC8004939 DOI: 10.3390/polym13060971] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 11/16/2022] Open
Abstract
A trachea has a structure capable of responding to various movements such as rotation of the neck and relaxation/contraction of the conduit due to the mucous membrane and cartilage tissue. However, current reported tubular implanting structures are difficult to impelement as replacements for original trachea movements. Therefore, in this study, we developed a new trachea implant with similar anatomical structure and mechanical properties to native tissue using 3D printing technology and evaluated its performance. A 250 µm-thick layer composed of polycaprolactone (PCL) nanofibers was fabricated on a rotating beam using electrospinning technology, and a scaffold with C-shaped cartilage grooves that mimics the human airway structure was printed to enable reconstruction of cartilage outside the airway. A cartilage type scaffold had a highest rotational angle (254°) among them and it showed up to 2.8 times compared to human average neck rotation angle. The cartilage type showed a maximum elongation of 8 times higher than that of the bellows type and it showed the elongation of 3 times higher than that of cylinder type. In cartilage type scaffold, gelatin hydrogel printed on the outside of the scaffold was remain 22.2% under the condition where no hydrogel was left in other type scaffolds. In addition, after 2 days of breathing test, the amount of gelatin remaining inside the scaffold was more than twice that of other scaffolds. This novel trachea scaffold with hydrogel inside and outside of the structure was well-preserved under external flow and is expected to be advantageous for soft tissue reconstruction of the trachea.
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Mahfouzi SH, Safiabadi Tali SH, Amoabediny G. 3D bioprinting for lung and tracheal tissue engineering: Criteria, advances, challenges, and future directions. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.bprint.2020.e00124] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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17
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Huang Z, Wang L, Zhang CX, Cai ZH, Liu WH, Li WM, Ye SG, Li XF, Zhao JB. Biomechanical strength dependence on mammalian airway length. J Thorac Dis 2021; 13:918-926. [PMID: 33717564 PMCID: PMC7947550 DOI: 10.21037/jtd-20-2970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Background The trachea is the uppermost respiratory airway element connecting the larynx to the bronchi Airway reconstructions in humans are often developed from animal models but there is limited knowledge comparing tracheal biomechanics between species. We aimed to assess the structure and biomechanics of porcine, canine, caprine and human airways. Methods Tracheas from pigs (n=15), goats (n=9) and canines (n=9) were divided into three groups (4, 6 and 8-ringswhile human left principal brochi (n=12) were divided into two groups (3and-rings). Airway structures were compared using histology and scanning electron microscopy. Biomechanical properties were measured subjecting samples to uniaxial tension and compression, recording the elastic modulus and (tensile and compressive) strengths. Results The structures of animal tracheal and human bronchia appeared similar. Biomechanical testing revealed that the elastic modulus of 8-ring tracheas was 1,190.48±363.68, 2,572.00±608.19 and 1,771.27±145.54 kPa, for porcine, canine and caprine samples, respectively, while corresponding tensile strengths were 437.63±191.41, 808.38±223.48 and 445.76±44.00 kPa. Comparable measures of anterior-posterior (A-P) compression strengths were 7.94±0.82, 7.54±0.07 and 8.10±1.87 N, respectively, whereas lateral compression strengths were 8.75±0.82, 14.55±2.29 and 11.12±0.40 N. Compression testing of human samples showed significant differences (P<0.05) between the 3-ring (A-P, 1.06±0.02 N; lateral, 0.55±0.06 N) and 5-ring groups (A-P, 1.08±0.64 N; lateral, 2.32±1.95 N). Conclusions The tensile and compressive strengths of mammalian airways show positive correlations with the cartilage ring number (length). On the basis of structural and biomechanical comparisons, porcine, canine and caprine species appear suitable models for the study of airway reconstruction in human.
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Affiliation(s)
- Zhao Huang
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China.,Department of Cardiothoracic Surgery, Jingling Hospital, Medical School of Nanjing University, Nanjing, China.,The Department of Thoracic Surgery, The 960th PLA Hospital, Ji'nan, China
| | - Lei Wang
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China
| | - Chen-Xi Zhang
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China
| | - Zhi-Hao Cai
- State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Wen-Hao Liu
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China
| | - Wei-Miao Li
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China
| | - Shu-Gao Ye
- Lung Transplant Group, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Xiao-Fei Li
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China
| | - Jin-Bo Zhao
- The Department of Thoracic Surgery, Tangdu Hospital, Air Force Medical University (The Fourth Military Medical University), Xi'an, China
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18
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Niermeyer WL, Rodman C, Li MM, Chiang T. Tissue engineering applications in otolaryngology-The state of translation. Laryngoscope Investig Otolaryngol 2020; 5:630-648. [PMID: 32864434 PMCID: PMC7444782 DOI: 10.1002/lio2.416] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/06/2020] [Accepted: 05/11/2020] [Indexed: 12/14/2022] Open
Abstract
While tissue engineering holds significant potential to address current limitations in reconstructive surgery of the head and neck, few constructs have made their way into routine clinical use. In this review, we aim to appraise the state of head and neck tissue engineering over the past five years, with a specific focus on otologic, nasal, craniofacial bone, and laryngotracheal applications. A comprehensive scoping search of the PubMed database was performed and over 2000 article hits were returned with 290 articles included in the final review. These publications have addressed the hallmark characteristics of tissue engineering (cellular source, scaffold, and growth signaling) for head and neck anatomical sites. While there have been promising reports of effective tissue engineered interventions in small groups of human patients, the majority of research remains constrained to in vitro and in vivo studies aimed at furthering the understanding of the biological processes involved in tissue engineering. Further, differences in functional and cosmetic properties of the ear, nose, airway, and craniofacial bone affect the emphasis of investigation at each site. While otolaryngologists currently play a role in tissue engineering translational research, continued multidisciplinary efforts will likely be required to push the state of translation towards tissue-engineered constructs available for routine clinical use. LEVEL OF EVIDENCE NA.
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Affiliation(s)
| | - Cole Rodman
- The Ohio State University College of MedicineColumbusOhioUSA
| | - Michael M. Li
- Department of Otolaryngology—Head and Neck SurgeryThe Ohio State University Wexner Medical CenterColumbusOhioUSA
| | - Tendy Chiang
- Department of OtolaryngologyNationwide Children's HospitalColumbusOhioUSA
- Department of Otolaryngology—Head and Neck SurgeryThe Ohio State University Wexner Medical CenterColumbusOhioUSA
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19
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Stramiello JA, Saddawi-Konefka R, Ryan J, Brigger MT. The role of 3D printing in pediatric airway obstruction: A systematic review. Int J Pediatr Otorhinolaryngol 2020; 132:109923. [PMID: 32035351 DOI: 10.1016/j.ijporl.2020.109923] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/30/2020] [Accepted: 01/30/2020] [Indexed: 02/09/2023]
Abstract
BACKGROUND Tracheomalacia and tracheal stenosis are complicated, patient-specific diseases that require a multidisciplinary approach to diagnose and treat. Surgical interventions such as aortopexy, slide tracheoplasty, and stents potentially have high rates of morbidity. Given the emergence of three-dimensional (3D) printing as a versatile adjunct in managing complex pathology, there is a growing body of evidence that there is a strong role for 3D printing in both surgical planning and implant creation for pediatric airway obstruction. METHODS A structured PubMed.gov literature search was utilized, and a two-researcher systematic review was performed following the PRISMA criteria. The following search query was utilized: (((((3D printing) OR three-dimensional printing) OR 3D printed) OR three-dimensional printed) AND trachea) OR airway. RESULTS Over 23,000 publications were screened. Eight literature reviews and thirty-seven original papers met inclusion criteria. Of the thirty-seven original papers, eleven discussed 3D printing for surgical planning and twenty-six discussed 3D printing implants for interventions. CONCLUSION The reported application of 3D printing for management of pediatric airway obstruction is emerging with positive and broad applications. 3D printing for surgical planning not only improves pre-operative assessment of surgical approach and stent customization, but also helps facilitate patient/family education. 3D printing for custom implantable interventions is focused on bioresorbable external airway splints and biological grafts, with both animal studies and human case reports showing good results in improving symptoms.
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Affiliation(s)
- Joshua A Stramiello
- Division of Otolaryngology-Head & Neck Surgery, Department of Surgery, University of California San Diego, 200 W Arbor Dr. MC8895, San Diego, CA 92103, USA.
| | - Robert Saddawi-Konefka
- Division of Otolaryngology-Head & Neck Surgery, Department of Surgery, University of California San Diego, 200 W Arbor Dr. MC8895, San Diego, CA 92103, USA
| | - Justin Ryan
- 3D Innovations Lab, Rady Children's Hospital, 3020 Children's Way MC5166, San Diego, CA, 92123, USA
| | - Matthew T Brigger
- Division of Otolaryngology-Head & Neck Surgery, Department of Surgery, University of California San Diego, 200 W Arbor Dr. MC8895, San Diego, CA 92103, USA; Division of Pediatric Otolaryngology, Department of Surgery, Rady Children's Hospital, 3020 Children's Way, San Diego, CA, 92123, USA
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20
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Chan DS, Gabra N, Baig A, Manoukian JJ, Daniel SJ. Bridging the gap: Using 3D printed polycaprolactone implants to reconstruct circumferential tracheal defects in rabbits. Laryngoscope 2019; 130:E767-E772. [PMID: 31872882 DOI: 10.1002/lary.28472] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/18/2019] [Accepted: 11/24/2019] [Indexed: 11/07/2022]
Abstract
OBJECTIVE 1) To assess the feasibility of reconstructing 2-cm-long circumferential tracheal defects with a 3D printed polycaprolactone (PCL) implant in rabbits. 2) To evaluate endoscopic, histologic, and functional characteristics of a PCL tracheal implant over time. METHODS Ten New Zealand rabbits were included in this study. A 2-cm-long 3D printed PCL tracheal implant was created. All rabbits underwent surgical excision of a 2-cm-long cm segment of cervical trachea, which was reconstructed with the implant. Rabbits were sacrificed at the following time points: 0, 4, 5, 6, and 7 weeks postoperatively. At these time points, a rigid bronchoscopy was performed, and blinded evaluators calculated the percentage of airway stenosis. The tracheas were then harvested and prepared for histologic analysis. RESULTS All rabbits survived to their date of sacrifice except for one. Rabbits were euthanized between 0 to 54 days postoperatively with a median of 30 days. All rabbits developed significant granulation tissue with an average percentage stenosis of 92.3% ± 6.1%. On histology, granulation was present with extensive neovascularization and mixed inflammatory cells. There was re-epithelialization present on the luminal surface of the PCL implant near the anastomoses but absent at the center of the implant. CONCLUSION This study demonstrates that our 2-cm-long 3D printed PCL tracheal implant can be used to reconstruct a tracheal defect of equivalent size in a New Zealand rabbit model in the short term. However, significant granulation tissue formation limits long-term survival. Further research is warranted to limit the granulation tissue overgrowth. LEVEL OF EVIDENCE NA Laryngoscope, 2019.
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Affiliation(s)
- David S Chan
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Quebec, Canada
| | - Nathalie Gabra
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Quebec, Canada
| | - Ayesha Baig
- Department of Pathology, McGill University, Montreal, Quebec, Canada
| | - John J Manoukian
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Quebec, Canada.,Department of Otolaryngology Head and Neck Surgery, Montreal Children's Hospital, McGill University, Montreal, Quebec, Canada
| | - Sam J Daniel
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Quebec, Canada.,Department of Otolaryngology Head and Neck Surgery, Montreal Children's Hospital, McGill University, Montreal, Quebec, Canada
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Frejo L, Grande DA. 3D-bioprinted tracheal reconstruction: an overview. Bioelectron Med 2019; 5:15. [PMID: 32232104 PMCID: PMC7098220 DOI: 10.1186/s42234-019-0031-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 08/16/2019] [Indexed: 11/10/2022] Open
Abstract
Congenital tracheomalacia and tracheal stenosis are commonly seen in premature infants. In adulthood, are typically related with chronic obstructive pulmonary disease, and can occur secondarily from tracheostomy, prolong intubation, trauma, infection and tumors. Both conditions are life-threatening when not managed properly. There are still some surgical limitations for certain pathologies, however tissue engineering is a promising approach to treat massive airway dysfunctions. 3D-bioprinting have contributed to current preclinical and clinical efforts in airway reconstruction. Several strategies have been used to overcome the difficulty of airway reconstruction such as scaffold materials, construct designs, cellular types, biologic components, hydrogels and animal models used in tracheal reconstruction. Nevertheless, additional long-term in vivo studies need to be performed to assess the efficacy and safety of tissue-engineered tracheal grafts in terms of mechanical properties, behavior and, the possibility of further stenosis development.
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Affiliation(s)
- Lidia Frejo
- Orthopaedic Research Laboratory, The Feinstein Institutes for Medical Research, 350 Community Drive, Manhasset, NY 11030 USA
- Division of Otolaryngology and Communicative Disorders-Pediatric Otolaryngology, Long Island Jewish Medical Center New Hyde Park, New York, USA
| | - Daniel A. Grande
- Orthopaedic Research Laboratory, The Feinstein Institutes for Medical Research, 350 Community Drive, Manhasset, NY 11030 USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
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22
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Galliger Z, Vogt CD, Panoskaltsis-Mortari A. 3D bioprinting for lungs and hollow organs. Transl Res 2019; 211:19-34. [PMID: 31150600 PMCID: PMC6702089 DOI: 10.1016/j.trsl.2019.05.001] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/09/2019] [Accepted: 05/14/2019] [Indexed: 12/12/2022]
Abstract
Three-dimensional bioprinting has been gaining attention as a potential method for creating biological tissues, supplementing the current arsenal of tissue engineering techniques. 3D bioprinting raises the possibility of reproducibly creating complex macro- and microscale architectures using multiple different cell types. This is promising for creation of multilayered hollow organs, which has been challenging using more traditional tissue engineering techniques. In this review, the state of the field in bioprinting of epithelialized hollow and tubular organs is discussed. Most of the progress for the pulmonary system has been restricted to the trachea. Due to the gross structural similarities and common engineering challenges when creating any epithelialized hollow organ, this review also covers current progress in printing within the gastrointestinal and genitourinary systems, as well as applications of traditional plastic printing in engineering these tissues.
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Affiliation(s)
- Zachary Galliger
- University of Minnesota, Department of Pediatrics, Minneapolis, Minnesota
| | - Caleb D Vogt
- University of Minnesota, Department of Pediatrics, Minneapolis, Minnesota
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Salvador Vergés À, Yildirim M, Salvador B, Garcia Cuyas F. Trends in Scientific Reports on Cartilage Bioprinting: Scoping Review. JMIR Form Res 2019; 3:e15017. [PMID: 31464195 PMCID: PMC6737890 DOI: 10.2196/15017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/05/2019] [Accepted: 07/21/2019] [Indexed: 12/11/2022] Open
Abstract
Background Satisfactory therapeutic strategies for cartilaginous lesion repair do not yet exist. This creates a challenge for surgeons and biomedical engineers and leads them to investigate the role of bioprinting and tissue engineering as viable treatments through orthopedic surgery, plastic surgery, and otorhinolaryngology. Recent increases in related scientific literature suggest that bioprinted cartilage may develop into a viable solution. Objective The objectives of this review were to (1) synthesize the scientific advances published to date, (2) identify unresolved technical problems regarding human application, and (3) identify more effective ways for the scientific community to transfer their findings to clinicians. Methods This scoping review considered articles published between 2009 and 2019 that were identified through searching PubMed, Scopus, Web of Science, and Google Scholar. Arksey and O'Malley’s five-step framework was used to delimit and direct the initial search results, from which we established the following research questions: (1) What do authors of current research say about human application? (2) What necessary technical improvements are identified in the research? (3) On which issues do the authors agree? and (4) What future research priorities emerge in the studies? We used the Cohen kappa statistic to validate the interrater reliability. Results The 13 articles included in the review demonstrated the feasibility of cartilage bioprinting in live animal studies. Some investigators are already considering short-term human experimentation, although technical limitations still need to be resolved. Both the use and manufacturing process of stem cells need to be standardized, and a consensus is needed regarding the composition of hydrogels. Using on-site printing strategies and predesigned implants may allow techniques to adapt to multiple situations. In addition, the predictive capacity of implant behavior may lead to optimal results. Conclusions Cartilage bioprinting for surgical applications is nearing its initial use in humans. Current research suggests that surgeons will soon be able to replace damaged tissue with bioprinted material.
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Affiliation(s)
- Àngels Salvador Vergés
- Digital Care Research Group, Universitat de Vic - Universitat Central de Catalunya, Barcelona, Spain
| | - Meltem Yildirim
- Research Group on Methodology, Methods, Models and Outcomes of Health and Social Sciences, Department of Nursing, Faculty of Health Sciences and Welfare, Universitat de Vic - Universitat Central de Catalunya, Barcelona, Spain
| | - Bertran Salvador
- Communication Department, University Pompeu Fabra, Barcelona, Spain
| | - Francesc Garcia Cuyas
- Catalan Society of Digital Health, Hospital Sant Joan de Déu, Universitat de Vic - Universitat Central de Catalunya, Barcelona, Spain
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24
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Makin G. The current landscape of 3D printing in oncological surgical interventions. Future Oncol 2019; 15:2999-3002. [PMID: 31424271 DOI: 10.2217/fon-2019-0476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Georgia Makin
- Future Science Group, Unitec House, 2 Albert Pl, Finchley, London N3 1QB
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Chan DS, Fnais N, Ibrahim I, Daniel SJ, Manoukian J. Exploring polycaprolactone in tracheal surgery: A scoping review of in-vivo studies. Int J Pediatr Otorhinolaryngol 2019; 123:38-42. [PMID: 31059931 DOI: 10.1016/j.ijporl.2019.04.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/25/2019] [Accepted: 04/25/2019] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Tracheal pathology can be life-threatening if not managed appropriately. There are still some surgical limitations today for certain pathologies, such as in severe tracheomalacia, or when long segments of trachea need to be resected. Poly(ε-caprolactone) (PCL) is a polymer that has recently gained popularity for its use in tracheal surgeries in animal models and in certain human pediatric cases in hopes of addressing these difficult situations. PCL can be 3D printed or manufactured through molds to create tracheal stents, splints, patches and even to reconstruct full circumferential tracheal defects. OBJECTIVE To perform a scoping review, and explore insights into the applications of PCL for tracheal surgeries in-vivo. METHODS A literature search in Embase, MEDLINE, and BIOSIS was performed to include all articles available prior to December 21, 2018 without any language restrictions. We included all original research that investigated the use of a PCL implant, stent, splint, scaffold, or graft in tracheal surgeries in-vivo. Assessment of all articles were performed by two independent authors prior to inclusion for analysis. RESULTS A total of 27 articles were included in the study. All articles were original research studies, primarily consisting of interventional studies (92.4%), there was also 2 case reports (7.4%). Articles were published in the last decade, publications range from 2009 to 2019. The most common animal model used for the tracheal surgeries were the New Zealand rabbits (n = 19, 70%). Two studies (7%) also described the use PCL in a total of 4 human cases. To investigate the PCL reconstructed airways, histology and bronchoscopy were the most commonly implemented methods of analysis in 88.9% and 70.4% respectively. Airway analysis was also done using imaging modalities including CT scan (n = 9, 33.3%), MRI (n = 2, 7.4%), X-ray (n = 1, 3.7%). 17 (62.9%) of the studies used 3D printing processes to create their PCL implants. CONCLUSIONS Overall, this review demonstrates the feasibility of PCL in tracheal reconstruction and tracheal stenting/splinting. It highlights common trends and the limitations of the literature thus far on this topic.
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Affiliation(s)
- David S Chan
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Canada.
| | - Naif Fnais
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Canada
| | - Iman Ibrahim
- Department of Otolaryngology Head and Neck Surgery, McGill University, Montreal, Canada
| | - Sam J Daniel
- Department of Otolaryngology Head and Neck Surgery, Montreal Children's Hospital, McGill University, Montreal, Canada
| | - John Manoukian
- Department of Otolaryngology Head and Neck Surgery, Montreal Children's Hospital, McGill University, Montreal, Canada
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Rashidbenam Z, Jasman MH, Hafez P, Tan GH, Goh EH, Fam XI, Ho CCK, Zainuddin ZM, Rajan R, Nor FM, Shuhaili MA, Kosai NR, Imran FH, Ng MH. Overview of Urethral Reconstruction by Tissue Engineering: Current Strategies, Clinical Status and Future Direction. Tissue Eng Regen Med 2019; 16:365-384. [PMID: 31413941 DOI: 10.1007/s13770-019-00193-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/03/2019] [Accepted: 01/18/2019] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Urinary tract is subjected to a variety of disorders such as urethral stricture, which often develops as a result of scarring process. Urethral stricture can be treated by urethral dilation and urethrotomy; but in cases of long urethral strictures, substitution urethroplasty with genital skin and buccal mucosa grafts is the only option. However a number of complications such as infection as a result of hair growth in neo-urethra, and stone formation restrict the application of those grafts. Therefore, tissue engineering techniques recently emerged as an alternative approach, aiming to overcome those restrictions. The aim of this review is to provide a comprehensive coverage on the strategies employed and the translational status of urethral tissue engineering over the past years and to propose a combinatory strategy for the future of urethral tissue engineering. METHODs Data collection was based on the key articles published in English language in years between 2006 and 2018 using the searching terms of urethral stricture and tissue engineering on PubMed database. RESULTS Differentiation of mesenchymal stem cells into urothelial and smooth muscle cells to be used for urologic application does not offer any advantage over autologous urothelial and smooth muscle cells. Among studied scaffolds, synthetic scaffolds with proper porosity and mechanical strength is the best option to be used for urethral tissue engineering. CONCLUSION Hypoxia-preconditioned mesenchymal stem cells in combination with autologous cells seeded on a pre-vascularized synthetic and biodegradable scaffold can be said to be the best combinatory strategy in engineering of human urethra.
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Affiliation(s)
- Zahra Rashidbenam
- 1Tissue Engineering Centre, Universiti Kebangsaan Malaysia Medical Centre, 12th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Mohd Hafidzul Jasman
- 2Urology Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Pezhman Hafez
- 3Faculty of Medicine and Health Science, UCSI University, No. 1 Jalan Puncak Menara Gading, Taman Connaught, 56000 Kuala Lumpur, Malaysia
| | - Guan Hee Tan
- 2Urology Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Eng Hong Goh
- 2Urology Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Xeng Inn Fam
- 2Urology Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Christopher Chee Kong Ho
- 4School of Medicine, Taylor's University, No. 1 Jalan Taylor's, 47500 Subang Jaya, Selangor Darul Ehsan Malaysia
| | - Zulkifli Md Zainuddin
- 2Urology Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Reynu Rajan
- 5Minimally Invasive, Upper Gastrointestinal and Bariatric Surgery Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Fatimah Mohd Nor
- 6Plastic and Reconstructive Surgery Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Mohamad Aznan Shuhaili
- 5Minimally Invasive, Upper Gastrointestinal and Bariatric Surgery Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Nik Ritza Kosai
- 5Minimally Invasive, Upper Gastrointestinal and Bariatric Surgery Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, 8th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Farrah Hani Imran
- 6Plastic and Reconstructive Surgery Unit, Department of Surgery, Universiti Kebangsaan Malaysia Medical Centre, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
| | - Min Hwei Ng
- 1Tissue Engineering Centre, Universiti Kebangsaan Malaysia Medical Centre, 12th Floor, Clinical Block, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, 56000 Kuala Lumpur, Malaysia
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27
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Kreimendahl F, Ossenbrink S, Köpf M, Westhofen M, Schmitz‐Rode T, Fischer H, Jockenhoevel S, Thiebes AL. Combination of vascularization and cilia formation for three‐dimensional airway tissue engineering. J Biomed Mater Res A 2019; 107:2053-2062. [DOI: 10.1002/jbm.a.36718] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 04/30/2019] [Accepted: 05/07/2019] [Indexed: 11/12/2022]
Affiliation(s)
- Franziska Kreimendahl
- Department of Biohybrid and Medical Textiles (BioTex), AME ‐ Institute of Applied Medical Engineering, Helmholtz InstituteRWTH Aachen University Aachen Germany
| | - Sina Ossenbrink
- Department of Biohybrid and Medical Textiles (BioTex), AME ‐ Institute of Applied Medical Engineering, Helmholtz InstituteRWTH Aachen University Aachen Germany
| | - Marius Köpf
- Department of Dental Materials and Biomaterials ResearchRWTH Aachen University Hospital Aachen Germany
| | - Martin Westhofen
- Clinic for Otorhinolaryngology and Plastic Surgery of the Head and ThroatRWTH Aachen University Hospital Aachen Germany
| | - Thomas Schmitz‐Rode
- Department of Biohybrid and Medical Textiles (BioTex), AME ‐ Institute of Applied Medical Engineering, Helmholtz InstituteRWTH Aachen University Aachen Germany
| | - Horst Fischer
- Department of Dental Materials and Biomaterials ResearchRWTH Aachen University Hospital Aachen Germany
| | - Stefan Jockenhoevel
- Department of Biohybrid and Medical Textiles (BioTex), AME ‐ Institute of Applied Medical Engineering, Helmholtz InstituteRWTH Aachen University Aachen Germany
| | - Anja L. Thiebes
- Department of Biohybrid and Medical Textiles (BioTex), AME ‐ Institute of Applied Medical Engineering, Helmholtz InstituteRWTH Aachen University Aachen Germany
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