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Huang G, Zhao Y, Chen D, Wei L, Hu Z, Li J, Zhou X, Yang B, Chen Z. Applications, advancements, and challenges of 3D bioprinting in organ transplantation. Biomater Sci 2024; 12:1425-1448. [PMID: 38374788 DOI: 10.1039/d3bm01934a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
To date, organ transplantation remains an effective method for treating end-stage diseases of various organs. In recent years, despite the continuous development of organ transplantation technology, a variety of problems restricting its progress have emerged one after another, and the shortage of donors is at the top of the list. Bioprinting is a very useful tool that has huge application potential in many fields of life science and biotechnology, among which its use in medicine occupies a large area. With the development of bioprinting, advances in medicine have focused on printing cells and tissues for tissue regeneration and reconstruction of viable human organs, such as the heart, kidneys, and bones. In recent years, with the development of organ transplantation, three-dimensional (3D) bioprinting has played an increasingly important role in this field, giving rise to many unsolved problems, including a shortage of organ donors. This review respectively introduces the development of 3D bioprinting as well as its working principles and main applications in the medical field, especially in the applications, and advancements and challenges of 3D bioprinting in organ transplantation. With the continuous update and progress of printing technology and its deeper integration with the medical field, many obstacles will have new solutions, including tissue repair and regeneration, organ reconstruction, etc., especially in the field of organ transplantation. 3D printing technology will provide a better solution to the problem of donor shortage.
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Affiliation(s)
- Guobin Huang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Yuanyuan Zhao
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Dong Chen
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Lai Wei
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Zhiping Hu
- Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, USA
| | - Junbo Li
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Xi Zhou
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Bo Yang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
| | - Zhishui Chen
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, No. 1095 Jiefang Avenue, Wuhan 430030, China.
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Kumar A, Brown RA, Roufaeil DB, Gupta A, Lipford EL, Muthusamy D, Zalzman A, Hertzano R, Lowe T, Stains JP, Zalzman M. DeepFreeze 3D-biofabrication for Bioengineering and Storage of Stem Cells in Thick and Large-Scale Human Tissue Analogs. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306683. [PMID: 38183347 PMCID: PMC10953591 DOI: 10.1002/advs.202306683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Indexed: 01/08/2024]
Abstract
3D bioprinting holds great promise for meeting the increasing need for transplantable tissues and organs. However, slow printing, interlayer mixing, and the extended exposure of cells to non-physiological conditions in thick structures still hinder clinical applications. Here the DeepFreeze-3D (DF-3D) procedure and bioink for creating multilayered human-scale tissue mimetics is presented for the first time. The bioink is tailored to support stem cell viability, throughout the rapid freeform DF-3D biofabrication process. While the printer nozzle is warmed to room temperature, each layer solidifies at contact with the stage (-80 °C), or the subsequent layers, ensuring precise separation. After thawing, the encapsulated stem cells remain viable without interlayer mixing or delamination. The composed cell-laden constructs can be cryogenically stored and thawed when needed. Moreover, it is shown that under inductive conditions the stem cells differentiate into bone-like cells and grow for months after thawing, to form large tissue-mimetics in the scale of centimeters. This is important, as this approach allows the generation and storage of tissue mimetics in the size and thickness of human tissues. Therefore, DF-3D biofabrication opens new avenues for generating off-the-shelf human tissue analogs. It further holds the potential for regenerative treatments and for studying tissue pathologies caused by disease, tumor, or trauma.
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Affiliation(s)
- Alok Kumar
- Department of Biochemistry and Molecular BiologyUniversity of Maryland School of MedicineBaltimoreMD21201USA
- Cardiovascular Research CenterMassachusetts General Hospital (MGH)Harvard Medical SchoolBostonMA02114USA
| | - Robert A. Brown
- Department of Biochemistry and Molecular BiologyUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Daniel Benyamien Roufaeil
- Department of Biochemistry and Molecular BiologyUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Aditi Gupta
- Department of Biochemistry and Molecular BiologyUniversity of Maryland School of MedicineBaltimoreMD21201USA
- Neurotology BranchNIDCD, NIHBethesdaMarylandUnited States
| | - Erika L. Lipford
- Department of Otorhinolaryngology‐Head and Neck SurgeryUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Divya Muthusamy
- Department of Oral and Maxillofacial SurgeryUniversity of Maryland School of DentistryBaltimoreMD21201USA
- Fischell Department of BioengineeringUniversity of Maryland A. James Clark School of EngineeringCollege ParkMD20742USA
| | - Amihai Zalzman
- Department of Biochemistry and Molecular BiologyUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Ronna Hertzano
- Department of Otorhinolaryngology‐Head and Neck SurgeryUniversity of Maryland School of MedicineBaltimoreMD21201USA
- Neurotology BranchNIDCD, NIHBethesdaMarylandUnited States
| | - Tao Lowe
- Department of Oral and Maxillofacial SurgeryUniversity of Maryland School of DentistryBaltimoreMD21201USA
- Fischell Department of BioengineeringUniversity of Maryland A. James Clark School of EngineeringCollege ParkMD20742USA
| | - Joseph P. Stains
- Department of OrthopedicsUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Michal Zalzman
- Department of Biochemistry and Molecular BiologyDepartment of Otorhinolaryngology‐Head and Neck SurgeryMarlene and Stewart Greenbaum Cancer CenterThe Center for Stem Cell Biology and Regenerative MedicineUniversity of Maryland School of MedicineBaltimoreMD21201USA
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Belda-Perez R, Heras S, Cimini C, Romero-Aguirregomezcorta J, Valbonetti L, Colosimo A, Colosimo BM, Santoni S, Barboni B, Bernabò N, Coy P. Advancing bovine in vitro fertilization through 3D printing: the effect of the 3D printed materials. Front Bioeng Biotechnol 2023; 11:1260886. [PMID: 37929185 PMCID: PMC10621798 DOI: 10.3389/fbioe.2023.1260886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/15/2023] [Indexed: 11/07/2023] Open
Abstract
Nowadays there is an increasing demand for assisted reproductive technologies due to the growth of infertility problems. Naturally, fertilization occurs in the oviduct, where the oviductal epithelial cells (OECs) secrete many molecules that affect the embryo's metabolism and protect it from oxidative stress. When the OECs are grown in 3D culture systems, they maintain a great part of their functional characteristics, making them an excellent model for in vitro fertilization (IVF) studies. In this work, we aimed to evaluate the suitability of different 3D-printing processes in conjunction with the corresponding set of commercially available biomaterials: extrusion-based processing using polylactic acid (PLA) and polycaprolactone (PCL) and stereolithography or digital-light processing using polyethylene-glycol-diacrylate (PEGDA) with different stiffness (PEGDA500, PEGDA200, PEGDA PhotoInk). All the 3D-printed scaffolds were used to support IVF process in a bovine embryo assay. Following fertilization, embryo development and quality were assessed in terms of cleavage, blastocyst rate at days 7 and 8, total cell number (TCN), inner cell mass/trophectoderm ratio (ICN/TE), and apoptotic cell ratio (ACR). We found a detrimental effect on cleavage and blastocyst rates when the IVF was performed on any medium conditioned by most of the materials available for digital-light processing (PEGDA200, PEGDA500). The observed negative effect could be possibly due to some leaked compound used to print and stabilize the scaffolds, which was not so evident however with PEGDA PhotoInk. On the other hand, all the extrusion-based processable materials did not cause any detrimental effect on cleavage or blastocyst rates. The principal component analysis reveals that embryos produced in presence of 3D-printed scaffolds produced via extrusion exhibit the highest similarity with the control embryos considering cleavage, blastocyst rates, TCN, ICN/TE and ACR per embryo. Conversely, all the photo-cross linkable materials or medium conditioned by PLA, lead to the highest dissimilarities. Since the use of PCL scaffolds, as well as its conditioned medium, bring to embryos that are more similar to the control group. Our results suggest that extrusion-based 3D printing of PCL could be the best option to be used for new IVF devices, possibly including the support of OECs, to enhance bovine embryo development.
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Affiliation(s)
- Ramses Belda-Perez
- Department of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
- Physiology of Reproduction Group, Department of Physiology, Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research (Campus Mare Nostrum), University of Murcia, Murcia, Spain
| | - Sonia Heras
- Physiology of Reproduction Group, Department of Physiology, Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research (Campus Mare Nostrum), University of Murcia, Murcia, Spain
| | - Costanza Cimini
- Department of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Jon Romero-Aguirregomezcorta
- Physiology of Reproduction Group, Department of Physiology, Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research (Campus Mare Nostrum), University of Murcia, Murcia, Spain
| | - Luca Valbonetti
- Department of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
- Institute of Biochemistry and Cell Biology (CNRIBBC/EMMA/Infrafrontier/IMPC), National Research Council, Rome, Italy
| | - Alessia Colosimo
- Department of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | | | - Silvia Santoni
- Department of Mechanical Engineering, Politecnico di Milano, Milano, Italy
| | - Barbara Barboni
- Department of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Nicola Bernabò
- Department of Biosciences and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
- Institute of Biochemistry and Cell Biology (CNRIBBC/EMMA/Infrafrontier/IMPC), National Research Council, Rome, Italy
| | - Pilar Coy
- Physiology of Reproduction Group, Department of Physiology, Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research (Campus Mare Nostrum), University of Murcia, Murcia, Spain
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Díez MC, Przyborski S, Del Cerro A, Alonso-Guervós M, Iglesias-Cabo T, Carrocera S, García MA, Fernández M, Alonso L, Muñoz M. Generation of a novel three-dimensional scaffold-based model of the bovine endometrium. Vet Res Commun 2023; 47:1721-1733. [PMID: 37154859 PMCID: PMC10484811 DOI: 10.1007/s11259-023-10130-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 04/20/2023] [Indexed: 05/10/2023]
Abstract
Bovine in vitro endometrial models that resemble tissue function in vivo are needed to study infertility, long-term uterine alterations induced by pathogens and impact of endocrine disruptor chemicals on reproductive function and other reproductive system complications that cause high economic losses in livestock species. The present study aimed to generate an innovative, reproducible, and functional 3D scaffold-based model of the bovine endometrium structurally robust for long term-culture. We developed a multicellular model containing both endometrial epithelial and stromal cells. Epithelial cells organized to form a luminal-like epithelial layer on the surface of the scaffold. Stromal cells produced their own extracellular matrix forming a stable subepithelial compartment that physiologically resembles the normal endometrium. Both cell types released prostaglandin E2 and prostaglandin F2α following a treatment with oxytocin and arachidonic acid. Additionally signal pathways mediating oxytocin and arachidonic acid stimulation of prostaglandin synthesis were analyzed by real time PCR (RT-PCR). Oxytocin receptor (OXTR), prostaglandin E2 receptor 2 (EP2), prostaglandin E2 receptor 4 (EP4), prostaglandin F receptor (PTGFR), prostaglandin E synthase (PTGES), PGF-synthase (PGFS) and prostaglandin-endoperoxide synthase 2 (COX-2) expression was detected in both control and treatment groups, however, only significant changes in abundance of OXTR mRNA transcripts were found. The results obtained by this study are a step forward in bovine in vitro culture technology. This 3D scaffold-based model provides a platform to study regulatory mechanisms involved in endometrial physiology and can set the basis for a broader tool for designing and testing novel therapeutic strategies for recurrent uterine pathologies.
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Affiliation(s)
- M C Díez
- Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), Área de Genética y Reproducción Animal. Camino de Rioseco, Deva Gijón, 1225 - 33394, Asturias, Spain
| | - S Przyborski
- Department of Bioscience, Durham University, Durham, DH1 3LE, UK
| | - A Del Cerro
- Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), Área de Genética y Reproducción Animal. Camino de Rioseco, Deva Gijón, 1225 - 33394, Asturias, Spain
| | - M Alonso-Guervós
- Optical Microscopy and Image Processing Unit, Scientific-Technical Services, University of Oviedo, Asturias, Spain
| | - T Iglesias-Cabo
- Scientific-Technical Services, Statistical Consulting Unit, University of Oviedo, Asturias, Spain
| | - S Carrocera
- Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), Área de Genética y Reproducción Animal. Camino de Rioseco, Deva Gijón, 1225 - 33394, Asturias, Spain
| | - M A García
- Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), Área de Genética y Reproducción Animal. Camino de Rioseco, Deva Gijón, 1225 - 33394, Asturias, Spain
| | - M Fernández
- Asociación. Española de Criadores de Ganado Vacuno Selecto Raza Asturiana de los Valles, Asturias, Spain
| | - L Alonso
- Matadero Central de Asturias, Asturias, Spain
| | - M Muñoz
- Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA), Área de Genética y Reproducción Animal. Camino de Rioseco, Deva Gijón, 1225 - 33394, Asturias, Spain.
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Verdile N, Camin F, Pavlovic R, Pasquariello R, Stuknytė M, De Noni I, Brevini TAL, Gandolfi F. Distinct Organotypic Platforms Modulate Rainbow Trout ( Oncorhynchus mykiss) Intestinal Cell Differentiation In Vitro. Cells 2023; 12:1843. [PMID: 37508507 PMCID: PMC10377977 DOI: 10.3390/cells12141843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/30/2023] Open
Abstract
In vitro organotypic cell-based intestinal platforms, able to faithfully recapitulate the complex functions of the organ in vivo, would be a great support to search for more sustainable feed ingredients in aquaculture. We previously demonstrated that proliferation or differentiation of rainbow trout intestinal cell lines is dictated by the culture environment. The aim of the present work was to develop a culture platform that can efficiently promote cell differentiation into mature enterocytes. We compared four options, seeding the RTpiMI cell line derived from the proximal intestine on (1) polyethylene terephthalate (PET) culture inserts ThinCert™ (TC), (2) TC coated with the solubilized basement membrane matrix Matrigel® (MM), (3) TC with the rainbow trout fibroblast cell line RTskin01 embedded within the Matrigel® matrix (MMfb), or (4) the highly porous polystyrene scaffold Alvetex® populated with the abovementioned fibroblast cell line (AV). We evaluated the presence of columnar cells with a clear polarization of brush border enzymes, the formation of an efficient barrier with a significant increase in transepithelial electrical resistance (TEER), and its ability to prevent the paracellular flux of large molecules but allow the transit of small compounds (proline and glucose) from the apical to the basolateral compartment. All parameters improved moving from the simplest (TC) through the more complex platforms. The presence of fibroblasts was particularly effective in enhancing epithelial cell differentiation within the AV platform recreating more closely the complexity of the intestinal mucosa, including the presence of extracellular vesicles between fibroblasts and epithelial cells.
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Affiliation(s)
- Nicole Verdile
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milan, Italy
| | - Federica Camin
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milan, Italy
| | - Radmila Pavlovic
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
- Proteomics and Metabolomics Facility, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Rolando Pasquariello
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milan, Italy
| | - Milda Stuknytė
- Unitech COSPECT-University Technological Platform, University of Milan, 20133 Milan, Italy
| | - Ivano De Noni
- Department of Food, Environmental and Nutritional Sciences, University of Milan, 20133 Milan, Italy
| | - Tiziana A L Brevini
- Department of Veterinary Medicine and Animal Sciences, University of Milan, 26900 Lodi, Italy
| | - Fulvio Gandolfi
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milan, Italy
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Wang H, Xu T, Yin D. Emerging trends in the methodology of environmental toxicology: 3D cell culture and its applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159501. [PMID: 36265616 DOI: 10.1016/j.scitotenv.2022.159501] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Human diseases and health concerns caused by environmental pollutants are globally emerging. Therefore, rapid and efficient evaluation of the effects of environmental pollutants on human health is essential. Due to the significant differences between humans and animals and the lack of physiologically related environments, animal models and two-dimensional (2D) culture cannot accurately describe toxicological effects and predict actual in vivo responses. To make up for the limitations of traditional environmental toxicology screening, three-dimensional (3D) culture has been developed. The 3D culture could provide a good organizational structure comparable to the complex internal environment of humans and produce a more realistic response to environmental pollutants, which has been used in drug development, toxicity evaluation, personalized therapy and biological mechanism research. The goal of environmental toxicology is to provide clues and support for the risk assessment and management of environmental pollutants. With the development of 3D culture that can reproduce specific physiological aspects loaded with specific cells that reflect human biology, interactions between pollutants and target tissues and organs can be explored to assess the acute and chronic adverse health effects of exposure to various environmental toxins. The 3D culture with great potential shows broad prospects in toxicology research and is expected to bridge the gap between 2D culture and animal models eventually. In this sense, we strongly recommend that 3D culture be used to identify and understand environmental toxins, which will greatly facilitate the public's comprehensive understanding of environmental toxins.
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Affiliation(s)
- Huan Wang
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Ting Xu
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Daqiang Yin
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Novel Ground-Up 3D Multicellular Simulators for Synthetic Biology CAD Integrating Stochastic Gillespie Simulations Benchmarked with Topologically Variable SBML Models. Genes (Basel) 2023; 14:genes14010154. [PMID: 36672895 PMCID: PMC9859520 DOI: 10.3390/genes14010154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/09/2023] Open
Abstract
The elevation of Synthetic Biology from single cells to multicellular simulations would be a significant scale-up. The spatiotemporal behavior of cellular populations has the potential to be prototyped in silico for computer assisted design through ergonomic interfaces. Such a platform would have great practical potential across medicine, industry, research, education and accessible archiving in bioinformatics. Existing Synthetic Biology CAD systems are considered limited regarding population level behavior, and this work explored the in silico challenges posed from biological and computational perspectives. Retaining the connection to Synthetic Biology CAD, an extension of the Infobiotics Workbench Suite was considered, with potential for the integration of genetic regulatory models and/or chemical reaction networks through Next Generation Stochastic Simulator (NGSS) Gillespie algorithms. These were executed using SBML models generated by in-house SBML-Constructor over numerous topologies and benchmarked in association with multicellular simulation layers. Regarding multicellularity, two ground-up multicellular solutions were developed, including the use of Unreal Engine 4 contrasted with CPU multithreading and Blender visualization, resulting in a comparison of real-time versus batch-processed simulations. In conclusion, high-performance computing and client-server architectures could be considered for future works, along with the inclusion of numerous biologically and physically informed features, whilst still pursuing ergonomic solutions.
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A Perfusion Bioreactor for Long-Term Studies of the Dynamics of the Formation of a Tissue Equivalent. BIOMEDICAL ENGINEERING 2022. [DOI: 10.1007/s10527-022-10206-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Al-Hakim Khalak F, García-Villén F, Ruiz-Alonso S, Pedraz JL, Saenz-del-Burgo L. Decellularized Extracellular Matrix-Based Bioinks for Tendon Regeneration in Three-Dimensional Bioprinting. Int J Mol Sci 2022; 23:12930. [PMID: 36361719 PMCID: PMC9657326 DOI: 10.3390/ijms232112930] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 11/08/2023] Open
Abstract
In the last few years, attempts to improve the regeneration of damaged tendons have been rising due to the growing demand. However, current treatments to restore the original performance of the tissue focus on the usage of grafts; although, actual grafts are deficient because they often cannot provide enough support for tissue regeneration, leading to additional complications. The beneficial effect of combining 3D bioprinting and dECM as a novel bioink biomaterial has recently been described. Tendon dECMs have been obtained by using either chemical, biological, or/and physical treatments. Although decellularization protocols are not yet standardized, recently, different protocols have been published. New therapeutic approaches embrace the use of dECM in bioinks for 3D bioprinting, as it has shown promising results in mimicking the composition and the structure of the tissue. However, major obstacles include the poor structural integrity and slow gelation properties of dECM bioinks. Moreover, printing parameters such as speed and temperature have to be optimized for each dECM bioink. Here, we show that dECM bioink for 3D bioprinting provides a promising approach for tendon regeneration for future clinical applications.
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Affiliation(s)
- Fouad Al-Hakim Khalak
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain
- Bioaraba Health Research Institute, Jose Atxotegi, s/n, 01009 Vitoria-Gasteiz, Spain
| | - Fátima García-Villén
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain
- Bioaraba Health Research Institute, Jose Atxotegi, s/n, 01009 Vitoria-Gasteiz, Spain
| | - Sandra Ruiz-Alonso
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain
- Bioaraba Health Research Institute, Jose Atxotegi, s/n, 01009 Vitoria-Gasteiz, Spain
| | - José Luis Pedraz
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain
- Bioaraba Health Research Institute, Jose Atxotegi, s/n, 01009 Vitoria-Gasteiz, Spain
| | - Laura Saenz-del-Burgo
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain
- Bioaraba Health Research Institute, Jose Atxotegi, s/n, 01009 Vitoria-Gasteiz, Spain
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Drug-free in vitro activation combined with 3D-bioprinted adipose-derived stem cells restores ovarian function of rats with premature ovarian insufficiency. Stem Cell Res Ther 2022; 13:347. [PMID: 35883196 PMCID: PMC9327214 DOI: 10.1186/s13287-022-03035-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 07/05/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Emerging drug-free in vitro activation (IVA) technique enables patients with premature ovarian insufficiency (POI) to restore ovarian function and conceive their own genetic offspring. However, various issues have greatly restricted its clinical application. Transplantation of adipose-derived stem cells (ADSCs) has promising roles in restoring ovarian function of rats with POI, but insufficient retention has greatly hampered their efficiency. Here, we designed a 3D-bioprinted engineering ovary composed of drug-free IVA and ADSCs, which may prolong the retention of ADSCs and construct an early vascular microenvironment, thus compensating for the disadvantages of drug-free IVA to some extent and ameliorating impaired ovarian function in the POI rats. METHODS After intraperitoneal injection of cyclophosphamide, the POI model rats were randomized into 5 groups: (1) POI group; (2) ovarian fragments group; (3) 3D scaffold combined with ovarian fragments group; (4) ovarian fragments combined with ADSCs group; (5) 3D scaffold with ADSCs combined with ovarian fragments as 3D-bioprinted engineering ovary group. Normal rats were identified as the control group. The localization of CM-Dil-labeled ADSCs and co-localization with CD31 were observed to examine the distribution and underlying mechanism of differentiation. Histomorphological and immunohistochemical analyses were performed to calculate follicle number and assess proliferation and apoptosis of granulosa cells (GCs). Immunofluorescence staining was used to evaluate angiogenesis. Hormone levels were measured to evaluate the restoration of endocrine axis. Western blot analysis and RT-PCR were conducted to explore the potential mechanism. RESULTS CM-Dil-labeled ADSCs were distributed in the interstitium of ovaries and had significantly higher retention in the 3D-bioprinted engineering ovary group. Several regions of the co-staining for CM-Dil and CD31 were in the area of vascular endothelial cells. Meanwhile, the follicle counts, GCs proliferation, neoangiogenesis, and hormone levels were significantly improved in the 3D-bioprinted engineering ovary group, as compared with other groups. Furthermore, the ovarian function was ameliorated and angiogenesis was promoted through regulating the PI3K/AKT pathway. CONCLUSION Our results suggested that 3D-bioprinted engineering ovary had great potential for restoring impaired ovarian function of rats with POI, which could compensate for the disadvantages of drug-free IVA to some extent.
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Dankó T, Petővári G, Raffay R, Sztankovics D, Moldvai D, Vetlényi E, Krencz I, Rókusz A, Sipos K, Visnovitz T, Pápay J, Sebestyén A. Characterisation of 3D Bioprinted Human Breast Cancer Model for In Vitro Drug and Metabolic Targeting. Int J Mol Sci 2022; 23:ijms23137444. [PMID: 35806452 PMCID: PMC9267600 DOI: 10.3390/ijms23137444] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 02/07/2023] Open
Abstract
Monolayer cultures, the less standard three-dimensional (3D) culturing systems, and xenografts are the main tools used in current basic and drug development studies of cancer research. The aim of biofabrication is to design and construct a more representative in vivo 3D environment, replacing two-dimensional (2D) cell cultures. Here, we aim to provide a complex comparative analysis of 2D and 3D spheroid culturing, and 3D bioprinted and xenografted breast cancer models. We established a protocol to produce alginate-based hydrogel bioink for 3D bioprinting and the long-term culturing of tumour cells in vitro. Cell proliferation and tumourigenicity were assessed with various tests. Additionally, the results of rapamycin, doxycycline and doxorubicin monotreatments and combinations were also compared. The sensitivity and protein expression profile of 3D bioprinted tissue-mimetic scaffolds showed the highest similarity to the less drug-sensitive xenograft models. Several metabolic protein expressions were examined, and the in situ tissue heterogeneity representing the characteristics of human breast cancers was also verified in 3D bioprinted and cultured tissue-mimetic structures. Our results provide additional steps in the direction of representing in vivo 3D situations in in vitro studies. Future use of these models could help to reduce the number of animal experiments and increase the success rate of clinical phase trials.
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Affiliation(s)
- Titanilla Dankó
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Gábor Petővári
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Regina Raffay
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Dániel Sztankovics
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Dorottya Moldvai
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Enikő Vetlényi
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Ildikó Krencz
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - András Rókusz
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Krisztina Sipos
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Tamás Visnovitz
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad tér 4, 1089 Budapest, Hungary;
- Department of Plant Physiology and Molecular Plant Biology, ELTE Eötvös Loránd University, Pázmány Péter Sétány 1/c, 1117 Budapest, Hungary
| | - Judit Pápay
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
| | - Anna Sebestyén
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (T.D.); (G.P.); (R.R.); (D.S.); (D.M.); (E.V.); (I.K.); (A.R.); (K.S.); (J.P.)
- Correspondence: or
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Tissue engineering approaches for the in vitro production of spermatids to treat male infertility: A review. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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13
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Pan S, Shen Z, Xia T, Pan Z, Dan Y, Li J, Shi H. Hydrogel modification of 3D printing hybrid tracheal scaffold to construct an orthotopic transplantation. Am J Transl Res 2022; 14:2910-2925. [PMID: 35702071 PMCID: PMC9185089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To evaluate the biological properties of modified 3D printing scaffold (PTS) and applied the hybrid graft for in situ transplantation. METHODS PTS was prepared via 3D printing and modified by Pluronic F-127. Biocompatibility of the scaffold was examined in vitro to ascertain its benefit in attachment and proliferation of bone marrow mesenchymal stem cells (BMSCs). Moreover, a hybrid trachea was constructed by combining the modified PTS with decellularized matrix. Finally, two animal models of in situ transplantation were established, one for repairing tracheal local window-shape defects and the other for tracheal segmental replacement. RESULTS The rough surface and chemical elements of the scaffold were improved after modification by Pluronic F-127. Results of BMSCs inoculation showed that the modified scaffold was beneficial to attachment and proliferation. The epithelial cells were seen crawling on and attaching to the patch, 30 days following prothetic surgery of the local tracheal defects. Furthermore, the advantages of the modified PTS and decellularized matrix were combined to generate a hybrid graft, which was subsequently applied to a tracheal segmental replacement model. CONCLUSION Pluronic F-127-based modification generated a PTS with excellent biocompatibility. The modified scaffold has great potential in development of future therapies for tracheal replacement and reconstruction.
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Affiliation(s)
- Shu Pan
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow UniversitySuzhou 215000, Jiangsu, China
| | - Ziqing Shen
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow UniversitySuzhou 215000, Jiangsu, China
| | - Tian Xia
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow UniversitySuzhou 215000, Jiangsu, China
| | - Ziyin Pan
- Clinical Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Institute of Translational Medicine, Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou UniversityYangzhou 225000, Jiangsu, China
| | - Yibo Dan
- Clinical Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Institute of Translational Medicine, Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou UniversityYangzhou 225000, Jiangsu, China
| | - Jianfeng Li
- Clinical Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Institute of Translational Medicine, Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou UniversityYangzhou 225000, Jiangsu, China
| | - Hongcan Shi
- Clinical Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Institute of Translational Medicine, Medical College, Yangzhou UniversityYangzhou 225000, Jiangsu, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou UniversityYangzhou 225000, Jiangsu, China
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Lin Z, Rao Z, Chen J, Chu H, Zhou J, Yang L, Quan D, Bai Y. Bioactive Decellularized Extracellular Matrix Hydrogel Microspheres Fabricated Using a Temperature-Controlling Microfluidic System. ACS Biomater Sci Eng 2022; 8:1644-1655. [PMID: 35357124 DOI: 10.1021/acsbiomaterials.1c01474] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Hydrogel microspheres have drawn great attention as functional three-dimensional (3D) microcarriers for cell attachment and growth, which have shown great potential in cell-based therapies and biomedical research. Hydrogels derived from a decellularized extracellular matrix (dECM) retain the intrinsic physical and biological cues from the native tissues, which often exhibit high bioactivity and tissue-specificity in promoting tissue regeneration. Herein, a novel two-stage temperature-controlling microfluidic system was developed which enabled production of pristine dECM hydrogel microspheres in a high-throughput manner. Porcine decellularized peripheral nerve matrix (pDNM) was used as the model raw dECM material for continuous generation of pDNM microgels without additional supporting materials or chemical crosslinking. The sizes of the microspheres were well-controlled by tuning the feed ratios of water/oil phases into the microfluidic device. The resulting pDNM microspheres (pDNM-MSs) were relatively stable, which maintained a spherical shape and a nanofibrous ultrastructure for at least 14 days. Schwann cells and PC12 cells preseeded on the pDNM-MSs not only showed excellent viability and an adhesive property, but also promoted cell extension compared to the commercially available gelatin microspheres. Moreover, primary neural stem/progenitor cells attached well to the pDNM-MSs, which further facilitated their proliferation. The successfully fabricated dECM hydrogel microspheres provided a highly bioactive microenvironment for 3D cell culture and functionalization, which showed promising potential in versatile biomedical applications.
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Affiliation(s)
- Zudong Lin
- PCFM Lab, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Zilong Rao
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Jiaxin Chen
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Hanyu Chu
- PCFM Lab, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Jing Zhou
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Liqun Yang
- PCFM Lab, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Daping Quan
- PCFM Lab, GD HPPC Lab, School of Chemistry, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China.,Guangdong Engineering Technology Research Centre for Functional Biomaterials, School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
| | - Ying Bai
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan West Road, HEMC, Guangzhou 510006, China
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3D Bioprinting of Novel κ-Carrageenan Bioinks: An Algae-Derived Polysaccharide. Bioengineering (Basel) 2022; 9:bioengineering9030109. [PMID: 35324798 PMCID: PMC8945127 DOI: 10.3390/bioengineering9030109] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 11/17/2022] Open
Abstract
Novel green materials not sourced from animals and with low environmental impact are becoming increasingly appealing for biomedical and cellular agriculture applications. Marine biomaterials are a rich source of structurally diverse compounds with various biological activities. Kappa-carrageenan (κ-c) is a potential candidate for tissue engineering applications due to its gelation properties, mechanical strength, and similar structural composition of glycosaminoglycans (GAGs), possessing several advantages when compared to other algae-based materials typically used in bioprinting such as alginate. For those reasons, this material was selected as the main polysaccharide component of the bioinks developed herein. In this work, pristine κ-carrageenan bioinks were successfully formulated for the first time and used to fabricate 3D scaffolds by bioprinting. Ink formulation and printing parameters were optimized, allowing for the manufacturing of complex 3D structures. Mechanical compression tests and dry weight determination revealed young’s modulus between 24.26 and 99.90 kPa and water contents above 97%. Biocompatibility assays, using a mouse fibroblast cell line, showed high cell viability and attachment. The bioprinted cells were spread throughout the scaffolds with cells exhibiting a typical fibroblast-like morphology similar to controls. The 3D bio-/printed structures remained stable under cell culture conditions for up to 11 days, preserving high cell viability values. Overall, we established a strategy to manufacture 3D bio-/printed scaffolds through the formulation of novel bioinks with potential applications in tissue engineering and cellular agriculture.
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Weigel T, Malkmus C, Weigel V, Wußmann M, Berger C, Brennecke J, Groeber-Becker F, Hansmann J. Fully Synthetic 3D Fibrous Scaffolds for Stromal Tissues-Replacement of Animal-Derived Scaffold Materials Demonstrated by Multilayered Skin. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2106780. [PMID: 34933407 DOI: 10.1002/adma.202106780] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 12/14/2021] [Indexed: 06/14/2023]
Abstract
The extracellular matrix (ECM) of soft tissues in vivo has remarkable biological and structural properties. Thereby, the ECM provides mechanical stability while it still can be rearranged via cellular remodeling during tissue maturation or healing processes. However, modern synthetic alternatives fail to provide these key features among basic properties. Synthetic matrices are usually completely degraded or are inert regarding cellular remodeling. Based on a refined electrospinning process, a method is developed to generate synthetic scaffolds with highly porous fibrous structures and enhanced fiber-to-fiber distances. Since this approach allows for cell migration, matrix remodeling, and ECM synthesis, the scaffold provides an ideal platform for the generation of soft tissue equivalents. Using this matrix, an electrospun-based multilayered skin equivalent composed of a stratified epidermis, a dermal compartment, and a subcutis is able to be generated without the use of animal matrix components. The extension of classical dense electrospun scaffolds with high porosities and motile fibers generates a fully synthetic and defined alternative to collagen-gel-based tissue models and is a promising system for the construction of tissue equivalents as in vitro models or in vivo implants.
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Affiliation(s)
- Tobias Weigel
- Translational Center for Regenerative Therapies (TLC-RT), Fraunhofer Institute for Silicate Research (ISC), 97082, Würzburg, Germany
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
| | - Christoph Malkmus
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
| | - Verena Weigel
- Translational Center for Regenerative Therapies (TLC-RT), Fraunhofer Institute for Silicate Research (ISC), 97082, Würzburg, Germany
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
| | - Maximiliane Wußmann
- Translational Center for Regenerative Therapies (TLC-RT), Fraunhofer Institute for Silicate Research (ISC), 97082, Würzburg, Germany
| | - Constantin Berger
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
| | - Julian Brennecke
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
| | - Florian Groeber-Becker
- Translational Center for Regenerative Therapies (TLC-RT), Fraunhofer Institute for Silicate Research (ISC), 97082, Würzburg, Germany
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
| | - Jan Hansmann
- Department for Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070, Würzburg, Germany
- Faculty of Electrical Engineering, University of Applied Sciences Würzburg-Schweinfurt, 97421, Schweinfurt, Germany
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Dhakal B, Li CMY, Li R, Yeo K, Wright JA, Gieniec KA, Vrbanac L, Sammour T, Lawrence M, Thomas M, Lewis M, Perry J, Worthley DL, Woods SL, Drew P, Sallustio BC, Smith E, Horowitz JD, Maddern GJ, Licari G, Fenix K. The Antianginal Drug Perhexiline Displays Cytotoxicity against Colorectal Cancer Cells In Vitro: A Potential for Drug Repurposing. Cancers (Basel) 2022; 14:cancers14041043. [PMID: 35205791 PMCID: PMC8869789 DOI: 10.3390/cancers14041043] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/02/2022] [Accepted: 02/05/2022] [Indexed: 01/05/2023] Open
Abstract
Colorectal cancer (CRC) is the second leading cause of cancer-related death worldwide. Perhexiline, a prophylactic anti-anginal drug, has been reported to have anti-tumour effects both in vitro and in vivo. Perhexiline as used clinically is a 50:50 racemic mixture ((R)-P) of (-) and (+) enantiomers. It is not known if the enantiomers differ in terms of their effects on cancer. In this study, we examined the cytotoxic capacity of perhexiline and its enantiomers ((-)-P and (+)-P) on CRC cell lines, grown as monolayers or spheroids, and patient-derived organoids. Treatment of CRC cell lines with (R)-P, (-)-P or (+)-P reduced cell viability, with IC50 values of ~4 µM. Treatment was associated with an increase in annexin V staining and caspase 3/7 activation, indicating apoptosis induction. Caspase 3/7 activation and loss of structural integrity were also observed in CRC cell lines grown as spheroids. Drug treatment at clinically relevant concentrations significantly reduced the viability of patient-derived CRC organoids. Given these in vitro findings, perhexiline, as a racemic mixture or its enantiomers, warrants further investigation as a repurposed drug for use in the management of CRC.
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Affiliation(s)
- Bimala Dhakal
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
| | - Celine Man Ying Li
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
| | - Runhao Li
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
- Medical Oncology, The Queen Elizabeth Hospital, Woodville, SA 5011, Australia
| | - Kenny Yeo
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
| | - Josephine A. Wright
- Precision Medicine, South Australian Health and Medical Research Institute, Adelaide, SA 5005, Australia; (J.A.W.); (K.A.G.); (L.V.); (T.S.); (D.L.W.); (S.L.W.)
| | - Krystyna A. Gieniec
- Precision Medicine, South Australian Health and Medical Research Institute, Adelaide, SA 5005, Australia; (J.A.W.); (K.A.G.); (L.V.); (T.S.); (D.L.W.); (S.L.W.)
- Department of Medical Specialties, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Laura Vrbanac
- Precision Medicine, South Australian Health and Medical Research Institute, Adelaide, SA 5005, Australia; (J.A.W.); (K.A.G.); (L.V.); (T.S.); (D.L.W.); (S.L.W.)
- Department of Medical Specialties, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Tarik Sammour
- Precision Medicine, South Australian Health and Medical Research Institute, Adelaide, SA 5005, Australia; (J.A.W.); (K.A.G.); (L.V.); (T.S.); (D.L.W.); (S.L.W.)
- Department of Medical Specialties, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia
- Colorectal Unit, Department of Surgery, Royal Adelaide Hospital, Adelaide, SA 5005, Australia; (M.L.); (M.T.); (M.L.); (J.P.)
| | - Matthew Lawrence
- Colorectal Unit, Department of Surgery, Royal Adelaide Hospital, Adelaide, SA 5005, Australia; (M.L.); (M.T.); (M.L.); (J.P.)
| | - Michelle Thomas
- Colorectal Unit, Department of Surgery, Royal Adelaide Hospital, Adelaide, SA 5005, Australia; (M.L.); (M.T.); (M.L.); (J.P.)
| | - Mark Lewis
- Colorectal Unit, Department of Surgery, Royal Adelaide Hospital, Adelaide, SA 5005, Australia; (M.L.); (M.T.); (M.L.); (J.P.)
| | - Joanne Perry
- Colorectal Unit, Department of Surgery, Royal Adelaide Hospital, Adelaide, SA 5005, Australia; (M.L.); (M.T.); (M.L.); (J.P.)
| | - Daniel L. Worthley
- Precision Medicine, South Australian Health and Medical Research Institute, Adelaide, SA 5005, Australia; (J.A.W.); (K.A.G.); (L.V.); (T.S.); (D.L.W.); (S.L.W.)
| | - Susan L. Woods
- Precision Medicine, South Australian Health and Medical Research Institute, Adelaide, SA 5005, Australia; (J.A.W.); (K.A.G.); (L.V.); (T.S.); (D.L.W.); (S.L.W.)
- Department of Medical Specialties, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Paul Drew
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
| | - Benedetta C. Sallustio
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
- Discipline of Pharmacology, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Eric Smith
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
- Medical Oncology, The Queen Elizabeth Hospital, Woodville, SA 5011, Australia
| | - John D. Horowitz
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
| | - Guy J. Maddern
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
| | - Giovanni Licari
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
- Discipline of Pharmacology, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia
- Correspondence: (G.L.); (K.F.)
| | - Kevin Fenix
- Department of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5005, Australia; (B.D.); (C.M.Y.L.); (R.L.); (K.Y.); (P.D.); (E.S.); (G.J.M.)
- The Basil Hetzel Institute for Translational Health Research, The Queen Elizabeth Hospital, The University of Adelaide, Woodville, SA 5011, Australia; (B.C.S.); (J.D.H.)
- Correspondence: (G.L.); (K.F.)
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18
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Aju D., Joseph SS. 3D Reconstruction Methods Purporting 3D Visualization and Volume Estimation of Brain Tumors. INTERNATIONAL JOURNAL OF E-COLLABORATION 2022. [DOI: 10.4018/ijec.290296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This work proposes the Crust algorithm for 3D reconstruction of brain tumor, an effective mechanism in the visualization of tumors for presurgical planning, radiation dose calculation. Despite the promising performance of Crust algorithm in reconstruction of Stanford models, it has not yet been considered in 3D reconstruction of brain tumor. Validation of the results is done using the comparison of the 3D models from two cutting edge techniques namely the Marching Cube and the Alpha shape algorithm. The obtained result shows that Crust algorithm provides the brain tumor model with an average quality of triangle meshes ranging from 0.85 to 0.95. Concerning the visual realism, the quality of Crust algorithm models is higher on comparison to the other models. Precision of tumor volume measurement by convex hull method is analysed by repeatability and reproducibility. The standard deviations of repeatability were between 2.03 % and 3.97 %. The experimental results show that Linear Crust algorithm produces high quality meshes with average quality of equilateral triangles close to 1.
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Affiliation(s)
- Aju D.
- Vellore Institute of Technology, India
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19
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Cheng Y, Chen Z, Yang S, Liu T, Yin L, Pu Y, Liang G. Nanomaterials-induced toxicity on cardiac myocytes and tissues, and emerging toxicity assessment techniques. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 800:149584. [PMID: 34399324 DOI: 10.1016/j.scitotenv.2021.149584] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 08/07/2021] [Accepted: 08/07/2021] [Indexed: 06/13/2023]
Abstract
The extensive production and use of nanomaterials have resulted in the continuous release of nano-sized particles into the environment, and the health risks caused by exposure to these nanomaterials in the occupational population and the general population cannot be ignored. Studies have found that particle exposure is closely related to cardiovascular disease. In addition, there have been many reports that nanomaterials can enter the heart tissue, accumulate and then cause damage. Therefore, in the present article, literature related to nanomaterials-induced cardiotoxicity in recent years was collected from the PubMed database, and then organized and summarized to form a review. This article mainly discusses heart damage caused by nanomaterials from the following three aspects: Firstly, we summarize the research 8 carbon nanotubes, etc. Secondly, we discuss in depth the possible underlying mechanism of the damage to the heart caused by nanoparticles. Oxidative stress damage, mitochondrial damage, inflammation and apoptosis have been found to be key factors. Finally, we summarize the current research models used to evaluate the cardiotoxicity of nanomaterials, highlight reliable emerging technologies and in vitro models that have been used for toxicity evaluation of environmental pollutants in recent years, and indicate their application prospects.
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Affiliation(s)
- Yanping Cheng
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, PR China.
| | - Zaozao Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, PR China.
| | - Sheng Yang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, PR China.
| | - Tong Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, PR China.
| | - Lihong Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, PR China.
| | - Yuepu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, PR China.
| | - Geyu Liang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, PR China.
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20
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Luo L, Zhang W, Wang J, Zhao M, Shen K, Jia Y, Li Y, Zhang J, Cai W, Xiao D, Bai X, Liu K, Wang K, Zhang Y, Zhu H, Zhou Q, Hu D. A Novel 3D Culture Model of Human ASCs Reduces Cell Death in Spheroid Cores and Maintains Inner Cell Proliferation Compared With a Nonadherent 3D Culture. Front Cell Dev Biol 2021; 9:737275. [PMID: 34858974 PMCID: PMC8632442 DOI: 10.3389/fcell.2021.737275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 10/19/2021] [Indexed: 11/13/2022] Open
Abstract
3D cell culture technologies have recently shown very valuable promise for applications in regenerative medicine, but the most common 3D culture methods for mesenchymal stem cells still have limitations for clinical application, mainly due to the slowdown of inner cell proliferation and increase in cell death rate. We previously developed a new 3D culture of adipose-derived mesenchymal stem cells (ASCs) based on its self-feeder layer, which solves the two issues of ASC 3D cell culture on ultra-low attachment (ULA) surface. In this study, we compared the 3D spheroids formed on the self-feeder layer (SLF-3D ASCs) with the spheroids formed by using ULA plates (ULA-3D ASCs). We discovered that the cells of SLF-3D spheroids still have a greater proliferation ability than ULA-3D ASCs, and the volume of these spheroids increases rather than shrinks, with more viable cells in 3D spheroids compared with the ULA-3D ASCs. Furthermore, it was discovered that the SLF-3D ASCs are likely to exhibit the abovementioned unique properties due to change in the expression level of ECM-related genes, like COL3A1, MMP3, HAS1, and FN1. These results indicate that the SLF-3D spheroid is a promising way forward for clinical application.
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Affiliation(s)
- Liang Luo
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Wei Zhang
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Jing Wang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Ming Zhao
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Kuo Shen
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Yanhui Jia
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Yan Li
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Jian Zhang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Weixia Cai
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Dan Xiao
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Xiaozhi Bai
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Kaituo Liu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Kejia Wang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Yue Zhang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Huayu Zhu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Qin Zhou
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
| | - Dahai Hu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, China
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21
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22
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Chen EP, Toksoy Z, Davis BA, Geibel JP. 3D Bioprinting of Vascularized Tissues for in vitro and in vivo Applications. Front Bioeng Biotechnol 2021; 9:664188. [PMID: 34055761 PMCID: PMC8158943 DOI: 10.3389/fbioe.2021.664188] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/06/2021] [Indexed: 12/23/2022] Open
Abstract
With a limited supply of organ donors and available organs for transplantation, the aim of tissue engineering with three-dimensional (3D) bioprinting technology is to construct fully functional and viable tissue and organ replacements for various clinical applications. 3D bioprinting allows for the customization of complex tissue architecture with numerous combinations of materials and printing methods to build different tissue types, and eventually fully functional replacement organs. The main challenge of maintaining 3D printed tissue viability is the inclusion of complex vascular networks for nutrient transport and waste disposal. Rapid development and discoveries in recent years have taken huge strides toward perfecting the incorporation of vascular networks in 3D printed tissue and organs. In this review, we will discuss the latest advancements in fabricating vascularized tissue and organs including novel strategies and materials, and their applications. Our discussion will begin with the exploration of printing vasculature, progress through the current statuses of bioprinting tissue/organoids from bone to muscles to organs, and conclude with relevant applications for in vitro models and drug testing. We will also explore and discuss the current limitations of vascularized tissue engineering and some of the promising future directions this technology may bring.
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Affiliation(s)
- Earnest P Chen
- Department of Surgery, School of Medicine, Yale University, New Haven, CT, United States.,Yale College, Yale University, New Haven, CT, United States
| | - Zeren Toksoy
- Department of Surgery, School of Medicine, Yale University, New Haven, CT, United States.,Yale College, Yale University, New Haven, CT, United States
| | - Bruce A Davis
- Department of Surgery, School of Medicine, Yale University, New Haven, CT, United States.,Department of Cellular and Molecular Physiology, School of Medicine, Yale University, New Haven, CT, United States
| | - John P Geibel
- Department of Surgery, School of Medicine, Yale University, New Haven, CT, United States.,Department of Cellular and Molecular Physiology, School of Medicine, Yale University, New Haven, CT, United States
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23
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Culenova M, Birova I, Alexy P, Galfyova P, Nicodemou A, Moncmanova B, Plavec R, Tomanova K, Mencik P, Ziaran S, Danisovic L. In Vitro Characterization of Poly(Lactic Acid)/ Poly(Hydroxybutyrate)/ Thermoplastic Starch Blends for Tissue Engineering Application. Cell Transplant 2021; 30:9636897211021003. [PMID: 34053231 PMCID: PMC8182627 DOI: 10.1177/09636897211021003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/05/2021] [Accepted: 05/11/2021] [Indexed: 01/15/2023] Open
Abstract
Complex in vitro characterization of a blended material based on Poly(Lactic Acid), Poly(Hydroxybutyrate), and Thermoplastic Starch (PLA/PHB/TPS) was performed in order to evaluate its potential for application in the field of tissue engineering. We focused on the biological behavior of the material as well as its mechanical and morphological properties. We also focused on the potential of the blend to be processed by the 3D printer which would allow the fabrication of the custom-made scaffold. Several blends recipes were prepared and characterized. This material was then studied in the context of scaffold fabrication. Scaffold porosity, wettability, and cell-scaffold interaction were evaluated as well. MTT test and the direct contact cytotoxicity test were applied in order to evaluate the toxic potential of the blended material. Biocompatibility studies were performed on the human chondrocytes. According to our results, we assume that material had no toxic effect on the cell culture and therefore could be considered as biocompatible. Moreover, PLA/PHB/TPS blend is applicable for 3D printing. Printed scaffolds had highly porous morphology and were able to absorb water as well. In addition, cells could adhere and proliferate on the scaffold surface. We conclude that this blend has potential for scaffold engineering.
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Affiliation(s)
- Martina Culenova
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, 811 08 Bratislava, Slovak Republic
| | - Ivana Birova
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovak Republic
| | - Pavol Alexy
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovak Republic
| | - Paulina Galfyova
- Institute of Histology and Embryology, Faculty of Medicine, Comenius University in Bratislava, 811 08 Bratislava, Slovak Republic
| | - Andreas Nicodemou
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, 811 08 Bratislava, Slovak Republic
| | - Barbora Moncmanova
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovak Republic
| | - Roderik Plavec
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovak Republic
| | - Katarina Tomanova
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovak Republic
| | - Premysl Mencik
- Institute of Materials Science, Faculty of Chemistry, Brno University of Technology, 612 00 Brno, Czech Republic
| | - Stanislav Ziaran
- Department of Urology, Faculty of Medicine, Comenius University in Bratislava, 833 05 Bratislava, Slovak Republic
| | - Lubos Danisovic
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, 811 08 Bratislava, Slovak Republic
- Regenmed Ltd., 811 02 Bratislava, Slovak Republic
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