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Kilina P, Kuchumov AG, Sirotenko L, Vassilouk V, Golovin S, Drozdov A, Sadyrin EV. Influence of porous titanium-based jaw implant structure on osseointegration mechanisms. J Mech Behav Biomed Mater 2024; 160:106724. [PMID: 39303419 DOI: 10.1016/j.jmbbm.2024.106724] [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: 05/21/2024] [Revised: 08/25/2024] [Accepted: 09/04/2024] [Indexed: 09/22/2024]
Abstract
The reconstruction of maxillofacial defects caused by anomalies, fractures, or cancer is challenging for dentofacial surgeons. To produce efficient, patient-specific implants with long-term performance and biological suitability, numerous methods of manufacturing are utilized. Because additive manufacturing makes it possible to fabricate complex pore structure samples, it is now recognized as an acceptable option to design customized implants. It is well recognized that a porous structure with proper design promotes accelerated cell proliferation, which enhances bone remodeling. Porosity can also be employed to modify the mechanical characteristics of fabricated implants. Thus, design and choice of rational lattice structure is an important task. The influence of the structure of jaw implants made of highly porous titanium-based materials on their mechanical properties and bone tissue growth was studied. Based on a 3D computer model of Wigner-Seitz lattice structure, the model samples were fabricated from Ti6Al4V powder by selective laser melting to characterize the mechanical properties of the samples depending on their macroporosity. Then two types of jaw bone implants were manufactured to conduct studies of bone tissue ingrowth when implanted in laboratory animals. The research was carried out in several stages: design and production of the implants for replacing incomplete defects of the lower jaw; implantation of SLM-printed implants in laboratory animals into an artificially produced defect of the lower jaw; analysis of the degree of fixation of the "implant - bone" connection (for implantation periods from 2 weeks to 9 months). During the research, Ti-alloy structures with cell diameters of 2-3 mm and macroporosity of 90-97% mimicking the spongy structure of trabecular bone tissue, were characterized by a compressive strength of 12.47-37.5 MPa and an elastic modulus of 0.19-1.23 GPa, corresponding to the mechanical properties of bone tissue. Active processes of tissue growth into implant cells were detected 2 weeks after implantation, the significant differences in the volume and types of filling tissue depending on the size of the cell were described. Recommendations for choosing the cell size depending on the type of bone tissue damage were given. When using SLM-printed implants with lattice structure (cell sizes from 1 to 3 mm), an active osteosynthesis processes occurred, which culminated in the formation of bone tissue inside the implant cells 9 months after implantation, with 68% of the samples characterized by the maximum degree of implant fixation. Implants with 3 mm cells with macropores diameters of 850 μm were recommended for replacing cavities after removal of perihilar cysts. To replace complete and partial defects, it was recommended to use implants with a cell size of 2 and 3 mm.
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Affiliation(s)
- Polina Kilina
- Department of Innovative Engineering Technologies, Perm National Research Polytechnic University, 614990, Perm, 29 Komsomolskiy Avenue, Russia; Biofluids Laboratory, Perm National Research Polytechnic University, 614990, Perm, 11 Professor Pozdeev Street, Russia.
| | - Alex G Kuchumov
- Biofluids Laboratory, Perm National Research Polytechnic University, 614990, Perm, 11 Professor Pozdeev Street, Russia; Department of Computational Mathematics, Mechanics and Biomechanics, Perm National Research Polytechnic University, 614990, Perm, 29 Komsomolskiy Avenue, Russia.
| | - Lyudmila Sirotenko
- Department of Innovative Engineering Technologies, Perm National Research Polytechnic University, 614990, Perm, 29 Komsomolskiy Avenue, Russia.
| | - Vladimir Vassilouk
- Department of Maxillofacial Surgery, Perm State Medical University, 614990, Perm, 29 Petropavlovskaya Street, Russia.
| | - Sergey Golovin
- Bioengineering and Veterinary Medicine Faculty, Don State Technical University, 344000, Rostov-on-Don, 1 Gagarin Square, Russia
| | - Andrey Drozdov
- Department of Innovative Engineering Technologies, Perm National Research Polytechnic University, 614990, Perm, 29 Komsomolskiy Avenue, Russia; Biofluids Laboratory, Perm National Research Polytechnic University, 614990, Perm, 11 Professor Pozdeev Street, Russia
| | - Evgeniy V Sadyrin
- Laboratory for Mechanics of Biomaterials, Don State Technical University, 344000, Rostov-on-Don, 1 Gagarin Square, Russia.
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Abdelrahim M, Gao Q, Zhang Y, Li W, Xing Q, Bradley M, Geng J. Light-mediated intracellular polymerization. Nat Protoc 2024; 19:1984-2025. [PMID: 38514838 DOI: 10.1038/s41596-024-00970-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 12/24/2023] [Indexed: 03/23/2024]
Abstract
The synthesis of synthetic intracellular polymers offers groundbreaking possibilities in cellular biology and medical research, allowing for novel experiments in drug delivery, bioimaging and targeted cancer therapies. These macromolecules, composed of biocompatible monomers, are pivotal in manipulating cellular functions and pathways due to their bioavailability, cytocompatibility and distinct chemical properties. This protocol details two innovative methods for intracellular polymerization. The first one uses 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone (Irgacure 2959) as a photoinitiator for free radical polymerization under UV light (365 nm, 5 mW/cm2). The second method employs photoinduced electron transfer-reversible addition-fragmentation chain-transfer polymerization with visible light (470 nm, 100 mW/cm2). We further elaborate on isolating these intracellular polymers by streptavidin/biotin interaction or immobilized metal ion affinity chromatography for polymers tagged with biotin or histidine. The entire process, from polymerization to isolation, takes ~48 h. Moreover, the intracellular polymers thus generated demonstrate significant potential in enhancing actin polymerization, in bioimaging applications and as a novel avenue in cancer treatment strategies. The protocol extends to animal models, providing a comprehensive approach from cellular to systemic applications. Users are advised to have a basic understanding of organic synthesis and cell biology techniques.
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Affiliation(s)
- Mohamed Abdelrahim
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Quan Gao
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yichuan Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- School of Pharmacy, Henan University, Kaifeng, China
| | - Weishuo Li
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Qi Xing
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Mark Bradley
- Precision Healthcare University Research Institute, Queen Mary University of London, London, UK.
| | - Jin Geng
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
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Owaidah A. Induced pluripotent stem cells in cartilage tissue engineering: a literature review. Biosci Rep 2024; 44:BSR20232102. [PMID: 38563479 PMCID: PMC11088306 DOI: 10.1042/bsr20232102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024] Open
Abstract
Osteoarthritis (OA) is a long-term, persistent joint disorder characterized by bone and cartilage degradation, resulting in tightness, pain, and restricted movement. Current attempts in cartilage regeneration are cell-based therapies using stem cells. Multipotent stem cells, such as mesenchymal stem cells (MSCs), and pluripotent stem cells, such as embryonic stem cells (ESCs), have been used to regenerate cartilage. However, since the discovery of human-induced pluripotent stem cells (hiPSCs) in 2007, it was seen as a potential source for regenerative chondrogenic therapy as it overcomes the ethical issues surrounding the use of ESCs and the immunological and differentiation limitations of MSCs. This literature review focuses on chondrogenic differentiation and 3D bioprinting technologies using hiPSCS, suggesting them as a viable source for successful tissue engineering. METHODS A literature search was conducted using scientific search engines, PubMed, MEDLINE, and Google Scholar databases with the terms 'Cartilage tissue engineering' and 'stem cells' to retrieve published literature on chondrogenic differentiation and tissue engineering using MSCs, ESCs, and hiPSCs. RESULTS hiPSCs may provide an effective and autologous treatment for focal chondral lesions, though further research is needed to explore the potential of such technologies. CONCLUSIONS This review has provided a comprehensive overview of these technologies and the potential applications for hiPSCs in regenerative medicine.
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Affiliation(s)
- Amani Y. Owaidah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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Kiarashi M, Bayat H, Shahrtash SA, Etajuri EA, Khah MM, Al-Shaheri NA, Nasiri K, Esfahaniani M, Yasamineh S. Mesenchymal Stem Cell-based Scaffolds in Regenerative Medicine of Dental Diseases. Stem Cell Rev Rep 2024; 20:688-721. [PMID: 38308730 DOI: 10.1007/s12015-024-10687-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2024] [Indexed: 02/05/2024]
Abstract
Biomedical engineering breakthroughs and increased patient expectations and requests for more comprehensive care are propelling the field of regenerative dentistry forward at a fast pace. Stem cells (SCs), bioactive compounds, and scaffolds are the mainstays of tissue engineering, the backbone of regenerative dentistry. Repairing damaged teeth and gums is a significant scientific problem at present. Novel therapeutic approaches for tooth and periodontal healing have been inspired by tissue engineering based on mesenchymal stem cells (MSCs). Furthermore, as a component of the MSC secretome, extracellular vesicles (EVs) have been shown to contribute to periodontal tissue repair and regeneration. The scaffold, made of an artificial extracellular matrix (ECM), acts as a supporting structure for new cell development and tissue formation. To effectively promote cell development, a scaffold must be non-toxic, biodegradable, biologically compatible, low in immunogenicity, and safe. Due to its promising biological characteristics for cell regeneration, dental tissue engineering has recently received much attention for its use of natural or synthetic polymer scaffolds with excellent mechanical properties, such as small pore size and a high surface-to-volume ratio, as a matrix. Moreover, as a bioactive material for carrying MSC-EVs, the combined application of scaffolds and MSC-EVs has a better regenerative effect on dental diseases. In this paper, we discuss how MSCs and MSC-derived EV treatment may be used to regenerate damaged teeth, and we highlight the role of various scaffolds in this process.
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Affiliation(s)
- Mohammad Kiarashi
- College of Dentistry, Lorestan University of Medical Sciences, Khorramabad, Iran
| | | | | | - Enas Abdalla Etajuri
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Meysam Mohammadi Khah
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Kamyar Nasiri
- Department of Dentistry, Islamic Azad University of Medical Sciences, Tehran, Iran.
| | - Mahla Esfahaniani
- Faculty of Dentistry, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Saman Yasamineh
- Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran.
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Liu G, Wei X, Zhai Y, Zhang J, Li J, Zhao Z, Guan T, Zhao D. 3D printed osteochondral scaffolds: design strategies, present applications and future perspectives. Front Bioeng Biotechnol 2024; 12:1339916. [PMID: 38425994 PMCID: PMC10902174 DOI: 10.3389/fbioe.2024.1339916] [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: 11/17/2023] [Accepted: 02/02/2024] [Indexed: 03/02/2024] Open
Abstract
Articular osteochondral (OC) defects are a global clinical problem characterized by loss of full-thickness articular cartilage with underlying calcified cartilage through to the subchondral bone. While current surgical treatments can relieve pain, none of them can completely repair all components of the OC unit and restore its original function. With the rapid development of three-dimensional (3D) printing technology, admirable progress has been made in bone and cartilage reconstruction, providing new strategies for restoring joint function. 3D printing has the advantages of fast speed, high precision, and personalized customization to meet the requirements of irregular geometry, differentiated composition, and multi-layered boundary layer structures of joint OC scaffolds. This review captures the original published researches on the application of 3D printing technology to the repair of entire OC units and provides a comprehensive summary of the recent advances in 3D printed OC scaffolds. We first introduce the gradient structure and biological properties of articular OC tissue. The considerations for the development of 3D printed OC scaffolds are emphatically summarized, including material types, fabrication techniques, structural design and seed cells. Especially from the perspective of material composition and structural design, the classification, characteristics and latest research progress of discrete gradient scaffolds (biphasic, triphasic and multiphasic scaffolds) and continuous gradient scaffolds (gradient material and/or structure, and gradient interface) are summarized. Finally, we also describe the important progress and application prospect of 3D printing technology in OC interface regeneration. 3D printing technology for OC reconstruction should simulate the gradient structure of subchondral bone and cartilage. Therefore, we must not only strengthen the basic research on OC structure, but also continue to explore the role of 3D printing technology in OC tissue engineering. This will enable better structural and functional bionics of OC scaffolds, ultimately improving the repair of OC defects.
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Affiliation(s)
- Ge Liu
- School of Mechanical Engineering, Dalian Jiaotong University, Dalian, China
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
| | - Xiaowei Wei
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
| | - Yun Zhai
- School of Mechanical Engineering, Dalian Jiaotong University, Dalian, China
| | - Jingrun Zhang
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
| | - Junlei Li
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
| | - Zhenhua Zhao
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
| | - Tianmin Guan
- School of Mechanical Engineering, Dalian Jiaotong University, Dalian, China
| | - Deiwei Zhao
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
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Taher Mohamed SA, Emin N. Effects of using collagen and aloe vera grafted fibroin scaffolds on osteogenic differentiation of rat bone marrow mesenchymal stem cells in SBF-enriched cell culture medium. Biomed Mater 2023; 19:015011. [PMID: 38055984 DOI: 10.1088/1748-605x/ad12e2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 12/06/2023] [Indexed: 12/08/2023]
Abstract
In the study, collagen and aloe vera were grafted onto silk fibroin with two different methods, and 3D-microporous scaffolds (1F5C4A1 and 2F5C4A1) were formed by lyophilization. Three osteogenic cultures were started by seeding rat bone marrow mesenchymal stem cells (MSCs) and pre-induced MSC (osteoblast (OB)) on biopolymeric scaffolds. The osteogenic medium was enriched with 10% (v/v) simulated body fluid (SBF) to promote mineralization and osteogenic differentiation in one of the MSC cultures and the OB culture. X-ray diffraction (XRD), scanning electron microscopy (SEM), scanning electron microscopy- energy dispersive spectrum (SEM-EDS) analyses on cellular samples and histochemical (alizarin red, safranin-O, alcian blue) and immunohistochemical (anti-collagen-1, anti-osteocalcin, anti-osteopontin) staining showed that bone-like mineralization was occurred by both chemically and cellular activity. In addition, pre-osteogenic induction of MSCs in 2D-cultured was found to promote osteogenesis more rapidly when started 3D-cultured. These results indicated that enrichment of the cell culture medium with SBF is sufficient forin vitromineralization rather than using high concentrations of SBF. The findings showed that OB cells on the 2F5C4A1 scaffold obtained the best osteogenic activity. Still, other culture media with 10% SBF content could be used for bone tissue engineering under osteogenic induction.
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Affiliation(s)
- Salma A Taher Mohamed
- Material Science and Engineering Department, Institute of Science and Technology, Kastamonu University, Kastamonu, Turkey
| | - Nuray Emin
- Material Science and Engineering Department, Institute of Science and Technology, Kastamonu University, Kastamonu, Turkey
- Biomedical Engineering Department, Engineering and Architecture Faculty, Kastamonu University, Kastamonu, Turkey
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Jeyaraman M, Ratna HVK, Jeyaraman N, Venkatesan A, Ramasubramanian S, Yadav S. Leveraging Artificial Intelligence and Machine Learning in Regenerative Orthopedics: A Paradigm Shift in Patient Care. Cureus 2023; 15:e49756. [PMID: 38161806 PMCID: PMC10757680 DOI: 10.7759/cureus.49756] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2023] [Indexed: 01/03/2024] Open
Abstract
The integration of artificial intelligence (AI) and machine learning (ML) into regenerative orthopedics heralds a paradigm shift in clinical methodologies and patient management. This review article scrutinizes AI's role in augmenting diagnostic accuracy, refining predictive models, and customizing patient care in orthopedic medicine. Focusing on innovations such as KeyGene and CellNet, we illustrate AI's adeptness in navigating complex genomic datasets, cellular differentiation, and scaffold biodegradation, which are critical components of tissue engineering. Despite its transformative potential, AI's clinical adoption remains in its infancy, contending with challenges in validation, ethical oversight, and model training for clinical relevance. This review posits AI as a vital complement to human intelligence (HI), advocating for an interdisciplinary approach that merges AI's computational prowess with medical expertise to fulfill precision medicine's promise. By analyzing historical and contemporary developments in AI, from the foundational theories of McCullough and Pitts to sophisticated neural networks, the paper emphasizes the need for a synergistic alliance between AI and HI. This collaboration is imperative for improving surgical outcomes, streamlining therapeutic modalities, and enhancing the quality of patient care. Our article calls for robust interdisciplinary strategies to overcome current obstacles and harness AI's full potential in revolutionizing patient outcomes, thereby significantly contributing to the advancement of regenerative orthopedics and the broader field of scientific research.
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Affiliation(s)
- Madhan Jeyaraman
- Orthopaedics, ACS Medical College and Hospital, Dr. MGR Educational and Research Institute, Chennai, IND
| | | | - Naveen Jeyaraman
- Orthopaedics, ACS Medical College and Hospital, Dr. MGR Educational and Research Institute, Chennai, IND
| | | | | | - Sankalp Yadav
- Medicine, Shri Madan Lal Khurana Chest Clinic, New Delhi, IND
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Kozan NG, Joshi M, Sicherer ST, Grasman JM. Porous biomaterial scaffolds for skeletal muscle tissue engineering. Front Bioeng Biotechnol 2023; 11:1245897. [PMID: 37854885 PMCID: PMC10579822 DOI: 10.3389/fbioe.2023.1245897] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 09/18/2023] [Indexed: 10/20/2023] Open
Abstract
Volumetric muscle loss is a traumatic injury which overwhelms the innate repair mechanisms of skeletal muscle and results in significant loss of muscle functionality. Tissue engineering seeks to regenerate these injuries through implantation of biomaterial scaffolds to encourage endogenous tissue formation and to restore mechanical function. Many types of scaffolds are currently being researched for this purpose. Scaffolds are typically made from either natural, synthetic, or conductive polymers, or any combination therein. A major criterion for the use of scaffolds for skeletal muscle is their porosity, which is essential for myoblast infiltration and myofiber ingrowth. In this review, we summarize the various methods of fabricating porous biomaterial scaffolds for skeletal muscle regeneration, as well as the various types of materials used to make these scaffolds. We provide guidelines for the fabrication of scaffolds based on functional requirements of skeletal muscle tissue, and discuss the general state of the field for skeletal muscle tissue engineering.
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Affiliation(s)
| | | | | | - Jonathan M. Grasman
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States
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Er E, Vahabi A, Kaya Biçer E, Yılmaz Ö, Aydoğdu S. Use of polyglycolic acid-hyaluronic acid/β-tricalcium phosphate scaffold with or without mesenchymal stem cells found ineffective in treating osteochondral lesions in rabbit knees. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2023; 57:209-214. [PMID: 37828858 PMCID: PMC10724785 DOI: 10.5152/j.aott.2023.23054] [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: 03/06/2023] [Accepted: 09/11/2023] [Indexed: 10/14/2023]
Abstract
OBJECTIVE In this experimental animal study, a novel bilayered scaffold used in the treatment of osteochondral defects in rabbit knees was evaluated. This novel scaffold's upper (cartilage) layer consists of polyglycolic acid and hyaluronic acid, and the lower (bone) layer consists of β-tricalcium phosphate. The purpose of this study was to evaluate the efficacy of this novel scaffold, combined with or without mesenchymal stem cells (MSCs), in the treatment of osteochondral defects in rabbit knees. METHODS Osteochondral defects were created in the left femoral trochlea of 30 rabbits. In group A, defects were treated with scaffold combined with MSCs; in group B, defects were treated with cell-free scaffolds; and group C was a control group with defects left untreated. In the 12th week, animals were sacrificed for macroscopic evaluation. RESULTS The mean International Cartilage Repair Society (ICRS) macroscopic scores were 4.95 for group A, 6.16 for group B, and 8.25 for group C. The mean Oswestry Arthroscopic Scores (OAS) were 1.65 for group A, 3.39 for group B, and 6.05 for group C. The macroscopic scores were significantly higher in group C than group A for ICRS scores and group A and group B for OAS (P < .001, P < .000, P < .022). CONCLUSION In essence, our findings indicate that the newly developed osteochondral scaffold, when tested in a rabbit model, is not as effective as expected in repairing full-thickness osteochondral defects, with or without the supplementation of MSCs. Further investigation is required to enhance the effectiveness of this novel combination.
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Affiliation(s)
- Erdem Er
- Department of Orthopedics and Traumatology, Ege University School of Medicine, İzmir, Turkey
| | - Arman Vahabi
- Department of Orthopedics and Traumatology, Ege University School of Medicine, İzmir, Turkey
| | - Elcil Kaya Biçer
- Department of Orthopedics and Traumatology, Ege University School of Medicine, İzmir, Turkey
| | - Özlem Yılmaz
- Department of Histology and Embryology, Ege University School of Medicine, İzmir, Turkey
| | - Semih Aydoğdu
- Department of Orthopedics and Traumatology, Ege University School of Medicine, İzmir, Turkey
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Liu CT, Yu J, Lin MH, Chang KH, Lin CY, Cheng NC, Wu PI, Huang CW, Zhang PY, Hung MT, Hsiao YS. Biophysical Electrical and Mechanical Stimulations for Promoting Chondrogenesis of Stem Cells on PEDOT:PSS Conductive Polymer Scaffolds. Biomacromolecules 2023; 24:3858-3871. [PMID: 37523499 DOI: 10.1021/acs.biomac.3c00506] [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: 08/02/2023]
Abstract
The investigation of the effects of electrical and mechanical stimulations on chondrogenesis in tissue engineering scaffolds is essential for realizing successful cartilage repair and regeneration. The aim of articular cartilage tissue engineering is to enhance the function of damaged or diseased articular cartilage, which has limited regenerative capacity. Studies have shown that electrical stimulation (ES) promotes mesenchymal stem cell (MSC) chondrogenesis, while mechanical stimulation (MS) enhances the chondrogenic differentiation capacity of MSCs. Therefore, understanding the impact of these stimuli on chondrogenesis is crucial for researchers to develop more effective tissue engineering strategies for cartilage repair and regeneration. This study focuses on the preparation of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) conductive polymer (CP) scaffolds using the freeze-drying method. The scaffolds were fabricated with varying concentrations (0, 1, 3, and 10 wt %) of (3-glycidyloxypropyl) trimethoxysilane (GOPS) as a crosslinker and an additive to tailor the scaffold properties. To gain a comprehensive understanding of the material characteristics and the phase aggregation phenomenon of PEDOT:PSS scaffolds, the researchers performed theoretical calculations of solubility parameters and surface energies of PSS, PSS-GOPS, and PEDOT polymers, as well as conducted material analyses. Additionally, the study investigated the potential of promoting chondrogenic differentiation of human adipose stem cells by applying external ES or MS on a PEDOT:PSS CP scaffold. Compared to the group without stimulation, the group that underwent stimulation exhibited significantly up-regulated expression levels of chondrogenic characteristic genes, such as SOX9 and COL2A1. Moreover, the immunofluorescence staining images exhibited a more vigorous fluorescence intensity of SOX9 and COL II proteins that was consistent with the trend of the gene expression results. In the MS experiment, the strain excitation exerted on the scaffold was simulated and transformed into stress. The simulated stress response showed that the peak gradually decreased with time and approached a constant value, with the negative value of stress representing the generation of tensile stress. This stress response quantification could aid researchers in determining specific MS conditions for various materials in tissue engineering, and the applied stress conditions could be further optimized. Overall, these findings are significant contributions to future research on cartilage repair and biophysical ES/MS in tissue engineering.
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Affiliation(s)
- Chun-Ting Liu
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Jiashing Yu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Min-Hsuan Lin
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Kai-Hsiang Chang
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Che-Yu Lin
- Institute of Applied Mechanics, College of Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Nai-Chen Cheng
- Department of Surgery, National Taiwan University Hospital and College of Medicine, Taipei 10002, Taiwan
| | - Po-I Wu
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Chun-Wei Huang
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Pin-Yu Zhang
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Min-Tzu Hung
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Yu-Sheng Hsiao
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
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Merotto E, Pavan PG, Piccoli M. Three-Dimensional Bioprinting of Naturally Derived Hydrogels for the Production of Biomimetic Living Tissues: Benefits and Challenges. Biomedicines 2023; 11:1742. [PMID: 37371837 DOI: 10.3390/biomedicines11061742] [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: 05/15/2023] [Revised: 06/07/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023] Open
Abstract
Three-dimensional bioprinting is the process of manipulating cell-laden bioinks to fabricate living structures. Three-dimensional bioprinting techniques have brought considerable innovation in biomedicine, especially in the field of tissue engineering, allowing the production of 3D organ and tissue models for in vivo transplantation purposes or for in-depth and precise in vitro analyses. Naturally derived hydrogels, especially those obtained from the decellularization of biological tissues, are promising bioinks for 3D printing purposes, as they present the best biocompatibility characteristics. Despite this, many natural hydrogels do not possess the necessary mechanical properties to allow a simple and immediate application in the 3D printing process. In this review, we focus on the bioactive and mechanical characteristics that natural hydrogels may possess to allow efficient production of organs and tissues for biomedical applications, emphasizing the reinforcement techniques to improve their biomechanical properties.
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Affiliation(s)
- Elena Merotto
- Tissue Engineering Lab, Istituto di Ricerca Pediatrica Città della Speranza, Corso Statu Uniti 4, 35127 Padova, Italy
- Department of Industrial Engineering, University of Padova, Via Gradenigo 6a, 35129 Padova, Italy
| | - Piero G Pavan
- Tissue Engineering Lab, Istituto di Ricerca Pediatrica Città della Speranza, Corso Statu Uniti 4, 35127 Padova, Italy
- Department of Industrial Engineering, University of Padova, Via Gradenigo 6a, 35129 Padova, Italy
| | - Martina Piccoli
- Tissue Engineering Lab, Istituto di Ricerca Pediatrica Città della Speranza, Corso Statu Uniti 4, 35127 Padova, Italy
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Gulati K, Ding C, Guo T, Guo H, Yu H, Liu Y. Craniofacial therapy: advanced local therapies from nano-engineered titanium implants to treat craniofacial conditions. Int J Oral Sci 2023; 15:15. [PMID: 36977679 PMCID: PMC10050545 DOI: 10.1038/s41368-023-00220-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/05/2023] [Accepted: 02/28/2023] [Indexed: 03/30/2023] Open
Abstract
Nano-engineering-based tissue regeneration and local therapeutic delivery strategies show significant potential to reduce the health and economic burden associated with craniofacial defects, including traumas and tumours. Critical to the success of such nano-engineered non-resorbable craniofacial implants include load-bearing functioning and survival in complex local trauma conditions. Further, race to invade between multiple cells and pathogens is an important criterion that dictates the fate of the implant. In this pioneering review, we compare the therapeutic efficacy of nano-engineered titanium-based craniofacial implants towards maximised local therapy addressing bone formation/resorption, soft-tissue integration, bacterial infection and cancers/tumours. We present the various strategies to engineer titanium-based craniofacial implants in the macro-, micro- and nano-scales, using topographical, chemical, electrochemical, biological and therapeutic modifications. A particular focus is electrochemically anodised titanium implants with controlled nanotopographies that enable tailored and enhanced bioactivity and local therapeutic release. Next, we review the clinical translation challenges associated with such implants. This review will inform the readers of the latest developments and challenges related to therapeutic nano-engineered craniofacial implants.
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Affiliation(s)
- Karan Gulati
- The University of Queensland, School of Dentistry, Herston, QLD, Australia
| | - Chengye Ding
- Laboratory of Biomimetic Nanomaterials, Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Tianqi Guo
- The University of Queensland, School of Dentistry, Herston, QLD, Australia
| | - Houzuo Guo
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
- Department of Oral Implantology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Huajie Yu
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China.
- Fourth Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China.
| | - Yan Liu
- Laboratory of Biomimetic Nanomaterials, Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China.
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China.
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13
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Takedachi M, Kawasaki K, Sawada K, Sakura K, Murata M, Shimomura J, Kawakami K, Morimoto C, Miki K, Takeshita N, Iwayama T, Okura H, Matsuyama A, Saito M, Kitamura M, Murakami S. Periodontal Tissue Regeneration by Transplantation of Autologous Adipose Tissue-Derived Multi-Lineage Progenitor Cells With Carbonate Apatite. Cell Transplant 2023; 32:9636897231198296. [PMID: 37710973 PMCID: PMC10503283 DOI: 10.1177/09636897231198296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/09/2023] [Accepted: 08/15/2023] [Indexed: 09/16/2023] Open
Abstract
We have developed an autologous transplantation method using adipose tissue-derived multi-lineage progenitor cells (ADMPCs) as a method of periodontal tissue regeneration that can be adapted to severe periodontal disease. Our previous clinical study confirmed the safety of autologous transplantation of ADMPCs and demonstrated its usefulness in the treatment of severe periodontal disease. However, in the same clinical study, we found that the fibrin gel used as the scaffold material might have caused gingival recession and impaired tissue regeneration in some patients. Carbonate apatite has a high space-making capacity and has been approved in Japan for periodontal tissue regeneration. In this study, we selected carbonate apatite as a candidate scaffold material for ADMPCs and conducted an in vitro examination of its effect on the cellular function of ADMPCs. We further performed autologous ADMPC transplantation with carbonate apatite as the scaffold material in a model of one-wall bone defects in beagles and then analyzed the effect on periodontal tissue regeneration. The findings showed that carbonate apatite did not affect the cell morphology of ADMPCs and that it promoted proliferation. Moreover, no effect on secretor factor transcription was found. The results of the in vivo analysis confirmed the space-making capacity of carbonate apatite, and the acquisition of significant new attachment was observed in the group involving ADMPC transplantation with carbonate apatite compared with the group involving carbonate apatite application alone. Our results demonstrate the usefulness of carbonate apatite as a scaffold material for ADMPC transplantation.
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Affiliation(s)
- Masahide Takedachi
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Kohsuke Kawasaki
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Keigo Sawada
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Kazuma Sakura
- Department of Medical Innovation, Osaka University Hospital, Suita, Japan
| | - Mari Murata
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Junpei Shimomura
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Kazuma Kawakami
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Chiaki Morimoto
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Koji Miki
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Noboru Takeshita
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Tomoaki Iwayama
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Hanayuki Okura
- Center for Reverse Translational Research, Osaka Habikino Medical Center, Osaka Prefectural Hospital Organization, Habikino, Japan
- Adipo Medical Technology, Osaka, Japan
- Institute of Innovative Medical Technology, Osaka. Japan
| | - Akifumi Matsuyama
- Center for Reverse Translational Research, Osaka Habikino Medical Center, Osaka Prefectural Hospital Organization, Habikino, Japan
| | - Masahiro Saito
- Department of Restorative Dentistry, Division of Operative Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Masahiro Kitamura
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Shinya Murakami
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
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14
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Ru M, Hai AM, Wang L, Yan S, Zhang Q. Recent progress in silk-based biosensors. Int J Biol Macromol 2022; 224:422-436. [DOI: 10.1016/j.ijbiomac.2022.10.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/05/2022] [Accepted: 10/15/2022] [Indexed: 11/05/2022]
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15
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Rahyussalim AJ, Aprilya D, Handidwiono R, Whulanza Y, Ramahdita G, Kurniawati T. The Use of 3D Polylactic Acid Scaffolds with Hydroxyapatite/Alginate Composite Injection and Mesenchymal Stem Cells as Laminoplasty Spacers in Rabbits. Polymers (Basel) 2022; 14:polym14163292. [PMID: 36015548 PMCID: PMC9416571 DOI: 10.3390/polym14163292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/29/2022] [Accepted: 08/07/2022] [Indexed: 11/16/2022] Open
Abstract
Several types of laminoplasty spacer have been used to fill bone gaps and maintain a widened canal. A 3D scaffold can be used as an alternative spacer to minimize the risk observed in allografts or autografts. This study aims to evaluate the in vivo biocompatibility and tissue−scaffold integration of a polylactic acid (PLA) scaffold with the addition of alginate/hydroxyapatite (HA) and mesenchymal stem cell (MSc) injections. This is an experimental study with a pretest and post-test control group design. A total of 15 laminoplasty rabbit models were divided into five groups with variations in the autograft, PLA, HA/alginate, and MSc scaffold. In general, there were no signs of inflammation in most samples (47%), and there were no samples with areas of necrosis. There were no significant differences in the histopathological results and microstructural assessment between the five groups. This demonstrates that the synthetic scaffolds that we used had a similar tissue reaction and tissue integration profile as the autograft (p > 0.05). We recommend further translational studies in humans so that this biocompatible fabricated scaffold can be used to fill bone defects.
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Affiliation(s)
- Ahmad Jabir Rahyussalim
- Department of Orthopaedic & Traumatology, Cipto Mangunkusumo National General Hospital and Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia
- Stem Cell Medical Technology Integrated Service Unit, Cipto Mangunkusumo General Hospital, Jakarta 10430, Indonesia
- Stem Cells and Tissue Engineering Research Cluster, Indonesian Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia
| | - Dina Aprilya
- Department of Orthopaedic & Traumatology, Cipto Mangunkusumo National General Hospital and Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia
- Correspondence:
| | - Raden Handidwiono
- Department of Orthopaedic & Traumatology, Cipto Mangunkusumo National General Hospital and Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia
| | - Yudan Whulanza
- Department of Mechanical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
- Research Center for Biomedical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
| | - Ghiska Ramahdita
- Mechanical Engineering and Materials Science, McKelvey School of Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Tri Kurniawati
- Stem Cell Medical Technology Integrated Service Unit, Cipto Mangunkusumo General Hospital, Jakarta 10430, Indonesia
- Stem Cells and Tissue Engineering Research Cluster, Indonesian Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia
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16
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Makuku R, Werthel JD, Zanjani LO, Nabian MH, Tantuoyir MM. New frontiers of tendon augmentation technology in tissue engineering and regenerative medicine: a concise literature review. J Int Med Res 2022; 50:3000605221117212. [PMID: 35983666 PMCID: PMC9393707 DOI: 10.1177/03000605221117212] [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] [Indexed: 11/23/2022] Open
Abstract
Tissue banking programs fail to meet the demand for human organs and tissues for
transplantation into patients with congenital defects, injuries, chronic
diseases, and end-stage organ failure. Tendons and ligaments are among the most
frequently ruptured and/or worn-out body tissues owing to their frequent use,
especially in athletes and the elderly population. Surgical repair has remained
the mainstay management approach, regardless of scarring and adhesion formation
during healing, which then compromises the gliding motion of the joint and
reduces the quality of life for patients. Tissue engineering and regenerative
medicine approaches, such as tendon augmentation, are promising as they may
provide superior outcomes by inducing host-tissue ingrowth and tendon
regeneration during degradation, thereby decreasing failure rates and morbidity.
However, to date, tendon tissue engineering and regeneration research has been
limited and lacks the much-needed human clinical evidence to translate most
laboratory augmentation approaches to therapeutics. This narrative review
summarizes the current treatment options for various tendon pathologies, future
of tendon augmentation, cell therapy, gene therapy, 3D/4D bioprinting,
scaffolding, and cell signals.
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Affiliation(s)
- Rangarirai Makuku
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France
| | - Jean-David Werthel
- Department of Orthopedic and Trauma Surgery, Shariati Hospital, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - Leila Oryadi Zanjani
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France
| | - Mohammad Hossein Nabian
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France
| | - Marcarious M Tantuoyir
- Center for Orthopedic Trans-Disciplinary Applied Research (COTAR), School of Medicine, 48439Tehran University of Medical Sciences, Tehran, Iran.,Department of Orthopedic Surgery, Hospital Ambroise Pare, Boulogne-Billancourt, France.,Biomedical Engineering Unit, University of Ghana Medical Centre, Accra, Ghana
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17
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Barnett H, Shevchuk M, Peppas NA, Caldorera-Moore M. Influence of extracellular cues of hydrogel biomaterials on stem cell fate. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1324-1347. [PMID: 35297325 DOI: 10.1080/09205063.2022.2054398] [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: 11/18/2021] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Tissue engineering is a multidisciplinary field that focuses on creating functional tissue through the combination of biomimetic scaffolds, a cell source, and biochemical/physiochemical cues. Stem cells are often used as the cell source due to their multipotent properties and autologous sourcing; however, the combination of physical and chemical cues that regulate their behavior creates challenges in reproducibly directing them to a specific fate. Hydrogel biomaterials are widely explored as tissue scaffolds due to their innate biomimetic properties and tailorability. For these constructs to be successful, properties such as surface chemistry and spatial configuration, stiffness, and degradability of the biomaterial used for the scaffold framework should be analogous to the natural environment of the tissue they are repairing/replacing. This is imperative, as cues from the surrounding extracellular matrix (ECM) influence stem cell behavior and direct cell differentiation to a specific lineage. Hydrogels offer great promise as tools to control stem cell fate, as researchers can modulate the degradation rates, mechanical properties, swelling behavior, and chemical properties of the biomaterial scaffold to mimic the instructive cues of the native ECM. Discussion of the advantages and challenges of utilizing hydrogel biomaterials as the basis of tissue scaffolds is reviewed herein, as well as specific examples of hydrogels in tissue engineering and advances in hydrogel research to achieve desired cell phenotypes.
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Affiliation(s)
- Haley Barnett
- School of Sciences, University of Louisiana Monroe, Monroe, LA, USA
| | - Mariya Shevchuk
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA
- Institute of Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin, TX, USA
| | - Nicholas A Peppas
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA
- Institute of Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin, TX, USA
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA
- Department of Pediatrics, and Department of Surgery and Perioperative Care, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - Mary Caldorera-Moore
- Department of Biomedical Engineering, Louisiana Tech University, Ruston, LA, USA
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18
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Bone Tissue Engineering through 3D Bioprinting of Bioceramic Scaffolds: A Review and Update. LIFE (BASEL, SWITZERLAND) 2022; 12:life12060903. [PMID: 35743934 PMCID: PMC9225502 DOI: 10.3390/life12060903] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 12/11/2022]
Abstract
Trauma and bone loss from infections, tumors, and congenital diseases make bone repair and regeneration the greatest challenges in orthopedic, craniofacial, and plastic surgeries. The shortage of donors, intrinsic limitations, and complications in transplantation have led to more focus and interest in regenerative medicine. Structures that closely mimic bone tissue can be produced by this unique technology. The steady development of three-dimensional (3D)-printed bone tissue engineering scaffold therapy has played an important role in achieving the desired goal. Bioceramic scaffolds are widely studied and appear to be the most promising solution. In addition, 3D printing technology can simulate mechanical and biological surface properties and print with high precision complex internal and external structures to match their functional properties. Inkjet, extrusion, and light-based 3D printing are among the rapidly advancing bone bioprinting technologies. Furthermore, stem cell therapy has recently shown an important role in this field, although large tissue defects are difficult to fill by injection alone. The combination of 3D-printed bone tissue engineering scaffolds with stem cells has shown very promising results. Therefore, biocompatible artificial tissue engineering with living cells is the key element required for clinical applications where there is a high demand for bone defect repair. Furthermore, the emergence of various advanced manufacturing technologies has made the form of biomaterials and their functions, composition, and structure more diversified, and manifold. The importance of this article lies in that it aims to briefly review the main principles and characteristics of the currently available methods in orthopedic bioprinting technology to prepare bioceramic scaffolds, and finally discuss the challenges and prospects for applications in this promising and vital field.
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19
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Davidian D, Levin M. Inducing Vertebrate Limb Regeneration: A Review of Past Advances and Future Outlook. Cold Spring Harb Perspect Biol 2022; 14:a040782. [PMID: 34400551 PMCID: PMC9121900 DOI: 10.1101/cshperspect.a040782] [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: 11/24/2022]
Abstract
Limb loss due to traumatic injury or amputation is a major biomedical burden. Many vertebrates exhibit the ability to form and pattern normal limbs during embryogenesis from amorphous clusters of precursor cells, hinting that this process could perhaps be activated later in life to rebuild missing or damaged limbs. Indeed, some animals, such as salamanders, are proficient regenerators of limbs throughout their life span. Thus, research over the last century has sought to stimulate regeneration in species that do not normally regenerate their appendages. Importantly, these efforts are not only a vital aspect of regenerative medicine, but also have fundamental implications for understanding evolution and the cellular control of growth and form throughout the body. Here we review major recent advances in augmenting limb regeneration, summarizing the degree of success that has been achieved to date in frog and mammalian models using genetic, biochemical, and bioelectrical interventions. While the degree of whole limb repair in rodent models has been modest to date, a number of new technologies and approaches comprise an exciting near-term road map for basic and clinical progress in regeneration.
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Affiliation(s)
- Devon Davidian
- Allen Discovery Center at Tufts University, Medford, Massachusetts 02155, USA
| | - Michael Levin
- Allen Discovery Center at Tufts University, Medford, Massachusetts 02155, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, USA
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20
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Arutyunyan I, Elchaninov A, Sukhikh G, Fatkhudinov T. Cryopreservation of Tissue-Engineered Scaffold-Based Constructs: from Concept to Reality. Stem Cell Rev Rep 2022; 18:1234-1252. [PMID: 34761366 DOI: 10.1007/s12015-021-10299-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2021] [Indexed: 02/07/2023]
Abstract
Creation of scaffold-based tissue-engineered constructs (SB TECs) is costly and requires coordinated qualified efforts. Cryopreservation enables longer shelf-life for SB TECs while enormously enhancing their availability as medical products. Regenerative treatment with cryopreserved SB TECs prepared in advance (possibly prêt-à-porter) can be started straight away on demand. Animal studies and clinical trials indicate similar levels of safety for cryopreserved and freshly prepared SB TECs. Although cryopreservation of such constructs is more difficult than that of cell suspensions or tissues, years of research have proved the principal possibility of using ready-to-transplant SB TECs after prolonged cryostorage. Cryopreservation efficiency depends not only on the sheer viability of adherent cells on scaffolds after thawing, but largely on the retention of proliferative and functional properties by the cells, as well as physical and mechanical properties by the scaffolds. Cryopreservation protocols require careful optimization, as their efficiency depends on multiple parameters including cryosensitivity of cells, chemistry and architecture of scaffolds, conditions of cell culture before freezing, cryoprotectant formulations, etc. In this review we discuss recent achievements in SB TEC cryopreservation as a major boost for the field of tissue engineering and biobanking.
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Affiliation(s)
- Irina Arutyunyan
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Andrey Elchaninov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
- Research Institute of Human Morphology, Moscow, Russia
| | - Gennady Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Timur Fatkhudinov
- Research Institute of Human Morphology, Moscow, Russia.
- Department of Histology, Cytology and Embryology, Peoples' Friendship University of Russia (RUDN University, 6, Miklukho-Maklaya Street, 117198, Moscow, Russia.
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21
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Yari D, Ebrahimzadeh MH, Movaffagh J, Shahroodi A, Shirzad M, Qujeq D, Moradi A. Biochemical Aspects of Scaffolds for Cartilage Tissue Engineering; from Basic Science to Regenerative Medicine. THE ARCHIVES OF BONE AND JOINT SURGERY 2022; 10:229-244. [PMID: 35514762 PMCID: PMC9034797 DOI: 10.22038/abjs.2022.55549.2766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 01/19/2022] [Indexed: 12/14/2022]
Abstract
Chondral defects are frequent and important causes of pain and disability. Cartilage has limited self-repair and regeneration capacity. The ideal approach for articular cartilage defects is the regeneration of hyaline cartilage with sustainable symptom-free constructs. Tissue engineering provides new strategies for the regeneration of functional cartilage tissue through optimized scaffolds with architectural, mechanical, and biochemical properties similar to the native cartilage tissue. In this review, the basic science of cartilage structure, interactions between proteins, stem cells, as well as biomaterials, scaffold characteristics and fabrication methods, as well as current and potential therapies in regenerative medicine will be discussed mostly from a biochemical point of view. Furthermore, the recent trends in scaffold-based therapies and supplementary factors in cartilage tissue engineering will be considered.
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Affiliation(s)
- Davood Yari
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran,Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Jebrail Movaffagh
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Azadeh Shahroodi
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Moein Shirzad
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Durdi Qujeq
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Ali Moradi
- Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran,Clinical Research Development Unit, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
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22
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Biscaia S, Branquinho MV, Alvites RD, Fonseca R, Sousa AC, Pedrosa SS, Caseiro AR, Guedes F, Patrício T, Viana T, Mateus A, Maurício AC, Alves N. 3D Printed Poly(𝜀-caprolactone)/Hydroxyapatite Scaffolds for Bone Tissue Engineering: A Comparative Study on a Composite Preparation by Melt Blending or Solvent Casting Techniques and the Influence of Bioceramic Content on Scaffold Properties. Int J Mol Sci 2022; 23:2318. [PMID: 35216432 PMCID: PMC8880322 DOI: 10.3390/ijms23042318] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/08/2022] [Accepted: 02/16/2022] [Indexed: 02/01/2023] Open
Abstract
Bone tissue engineering has been developed in the past decades, with the engineering of bone substitutes on the vanguard of this regenerative approach. Polycaprolactone-based scaffolds are fairly applied for bone regeneration, and several composites have been incorporated so as to improve the scaffolds' mechanical properties and tissue in-growth. In this study, hydroxyapatite is incorporated on polycaprolactone-based scaffolds at two different proportions, 80:20 and 60:40. Scaffolds are produced with two different blending methods, solvent casting and melt blending. The prepared composites are 3D printed through an extrusion-based technique and further investigated with regard to their chemical, thermal, morphological, and mechanical characteristics. In vitro cytocompatibility and osteogenic differentiation was also assessed with human dental pulp stem/stromal cells. The results show the melt-blending-derived scaffolds to present more promising mechanical properties, along with the incorporation of hydroxyapatite. The latter is also related to an increase in osteogenic activity and promotion. Overall, this study suggests polycaprolactone/hydroxyapatite scaffolds to be promising candidates for bone tissue engineering, particularly when produced by the MB method.
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Affiliation(s)
- Sara Biscaia
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (S.B.); (R.F.); (T.P.); (T.V.); (A.M.); (N.A.)
| | - Mariana V. Branquinho
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Rui D. Alvites
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Rita Fonseca
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (S.B.); (R.F.); (T.P.); (T.V.); (A.M.); (N.A.)
| | - Ana Catarina Sousa
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Sílvia Santos Pedrosa
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- CBQF—Centre of Biotechnology and Fine Chemistry—Associated Laboratory, Faculty of Biotechnology, Catholic University of Portugal, Rua de Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Ana R. Caseiro
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Vasco da Gama Research Center (CIVG)/Vasco da Gama University School (EUVG), Av. José R. Sousa Fernandes 197, Lordemão, 3020-210 Coimbra, Portugal
- Veterinary Clinics Department, Vasco da Gama University School (EUVG), Av. José R. Sousa Fernandes 197, Lordemão, 3020-210 Coimbra, Portugal
| | - Fernando Guedes
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Tatiana Patrício
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (S.B.); (R.F.); (T.P.); (T.V.); (A.M.); (N.A.)
| | - Tânia Viana
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (S.B.); (R.F.); (T.P.); (T.V.); (A.M.); (N.A.)
| | - Artur Mateus
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (S.B.); (R.F.); (T.P.); (T.V.); (A.M.); (N.A.)
| | - Ana C. Maurício
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, n 228, 4050-313 Porto, Portugal; (M.V.B.); (R.D.A.); (A.C.S.); (S.S.P.); (A.R.C.); (F.G.)
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Nuno Alves
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (S.B.); (R.F.); (T.P.); (T.V.); (A.M.); (N.A.)
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Huynh PD, Vu NB, To XHV, Le TM. Culture and Differentiation of Human Umbilical Cord-Derived Mesenchymal Stem Cells on Growth Factor-Rich Fibrin Scaffolds to Produce Engineered Cartilages. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021:193-208. [PMID: 34739721 DOI: 10.1007/5584_2021_670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION After injuries, the cartilage healing capacity is limited owing to its nature as a particular connective tissue without blood vessels, lymphatics, or nerves. The creation of artificial cartilage tissue mimics the biological properties of native cartilage and can reduce the need for donated tissue. Fibrin is a type of biodegradable scaffold that has great potential in tissue engineering applications. It can become good material for cell adhesion and proliferation in vitro. Therefore, this study aimed to create a cartilage tissue in vitro using umbilical cord-derived mesenchymal stem cells (UCMSC) and growth factor-rich fibrin (GRF) scaffolds. METHODS UCMSCs were isolated and expanded, and platelet-rich plasma (PRP) preparations were performed following previously published protocols. PRP was activated (aPRP) by a 0.45-μm syringe filter to release growth factors inside the platelets. Each 2.105 of the UCMSCs were suspended in 2 ml of aPRP to make the mixture of MSC and PRP (MSC-PRP). Then, Ca2+ solution was added to this mixture to produce the fibril scaffold with UCMSCs inside. UCMSCs' adhesion and proliferation inside the scaffold were evaluated by observation under inverted microscopy, H-E staining, MTT assays, and scanning electron microscopy (SEM). The fibril structure containing UCMSCs was cultured, and chondrogenesis was induced using commercial chondrogenesis media for 21 days (iMSC-GRF). The differentiation in efficacy toward cartilage was evaluated based on the accumulation of aggrecan (acan), glycosaminoglycans (GAGs), and collagen type II (Col II). RESULTS The results showed that we successfully created a cartilage tissue with some characteristics that mimic the properties of natural cartilage. The engineered cartilage tissue was positive with some cartilage protein, such as acan, GAG, and Coll II. In vitro cartilage presented some natural chondrocyte-like cells. The artificial cartilage tissue was positive for CD14, CD34, CD90, CD105, and HLA-DR and negative for CD44, CD45, and CD73. CONCLUSION These results showed that using UCMSCs and growth factor-rich fibril from platelet-rich plasma was feasible to produce engineered cartilage tissue for further experiments or clinical usage.
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Affiliation(s)
- Phat Duc Huynh
- Laboratory of Stem Cell Research and Application, University of Science Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Ngoc Bich Vu
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
- Stem Cell Institute, University of Science Ho Chi Minh City, Ho Chi Minh City, Vietnam.
| | - Xuan Hoang-Viet To
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Stem Cell Institute, University of Science Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Thuan Minh Le
- Laboratory of Stem Cell Research and Application, University of Science Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
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Xu HZ, Su JS. Restoration of critical defects in the rabbit mandible using osteoblasts and vascular endothelial cells co-cultured with vascular stent-loaded nano-composite scaffolds. J Mech Behav Biomed Mater 2021; 124:104831. [PMID: 34555626 DOI: 10.1016/j.jmbbm.2021.104831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 09/04/2021] [Accepted: 09/07/2021] [Indexed: 01/07/2023]
Abstract
The success of large bone defect repair with tissue engineering technology depends mainly on angiogenesis and osteogenesis. In this study, we prepared poly-caprolactone/nano-hydroxyapatite/beta-calcium phosphate (PCL/nHA/β-TCP) composite scaffolds loaded with poly-(lactic-co-glycolic acid)/nano-hydroxyapatite/collagen/heparin sodium (PLGA/nHA/Col/HS) nanofiber small vascular stent by electrospinning and hot press forming-particle leaching methods. Supramolecular electrostatic self-assembly technology was used to modify the surfaces of small vascular stents to aid in hydrophilicity and anticoagulation. The surfaces of composite scaffolds were modified with an Arg-Gly-Asp (RGD) short peptide by physical adsorption to supply cell adhesion sites. The scaffolds were then combined with rabbit bone marrow-derived osteoblasts (OBs) and rabbit bone marrow-derived vascular endothelial cells (RVECs) to construct large, biologically active vascularized tissue-engineered bone in vitro; this bone was then used to repair critical bone defects in rabbit mandibles. Mechanical and biocompatibility testing results showed that PCL/nHA/β-TCP composite scaffolds loaded with small vascular stents had good surface structure, mechanical properties, biocompatibility, and bone-regeneration induction potential. Twelve weeks after implantation, histological analysis and X-ray scans showed that the use of osteoblasts and vascular endothelial cells co-cultured with PCL/nHA/β-TCP scaffolds was sufficient to repair critical defects in rabbit mandibles.
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Affiliation(s)
- Hong Zhen Xu
- Department of Prosthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China
| | - Jian Sheng Su
- Department of Prosthodontics, School & Hospital of Stomatology, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Tongji University, Shanghai, China.
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Palhares TN, de Menezes LR, Kronemberger GS, Borchio PGDM, Baptista LS, Pereira LDCB, da Silva EO. Production and Characterization of Poly (Lactic Acid)/Nanostructured Carboapatite for 3D Printing of Bioactive Scaffolds for Bone Tissue Engineering. 3D PRINTING AND ADDITIVE MANUFACTURING 2021; 8:227-237. [PMID: 36654836 PMCID: PMC9828613 DOI: 10.1089/3dp.2020.0211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Biocompatible scaffolds are porous matrices that are bone substitutes with great potential in tissue regeneration. For this, these scaffolds need to have bioactivity and biodegradability. From this perspective, 3D printing presents itself as one of the techniques with the greatest potential for scaffold manufacturing with porosity and established structure, based on 3D digital modeling. Thus, the objective of the present work was to produce 3D scaffolds from the poly (lactic acid) (PLA) and the nanostructured hydroxyapatite doped with carbonate ions (CHA). For this purpose, filaments were produced via fusion for the fused-filament 3D printing and used to produce scaffolds with 50% porosity in the cubic shape and 0/90°configuration. The dispersive energy spectroscopy and Fourier transform infrared spectroscopy (FTIR) analysis demonstrated the presence of CHA in the polymeric matrix, confirming the presence and incorporation into the composite. The thermogravimetric analysis made it possible to determine that the filler concentration incorporated in the matrix was very similar to the proposed percentage, indicating that there were no major losses in the process of obtaining the filaments. It can be assumed that the influence of CHA as a filler presents better mechanical properties up to a certain amount. The biological results point to a great potential for the application of PLA/CHA scaffolds in bone tissue engineering with effective cell adhesion, proliferation, biocompatibility, and no cytotoxicity effects.
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Affiliation(s)
- Thiago Nunes Palhares
- Instituto de Macromoléculas Professora Eloisa Mano (IMA), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- Coordenação de Matéria Condensada, Física Aplicada e Nanociência (COMAN), Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lívia Rodrigues de Menezes
- Instituto de Macromoléculas Professora Eloisa Mano (IMA), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gabriela Soares Kronemberger
- Núcleo Multidisciplinar de Pesquisa (Numpex-Bio), Universidade Federal do Rio de Janeiro, Duque de Caxias, Rio de Janeiro, Brazil
- Laboratório de Bioengenharia Tecidual (Labio), Instituto Nacional de Metrologia Qualidade e Tecnologia, Duque de Caxias, Rio de Janeiro, Brazil
- Programa de Pós-graduação em Biomedicina Translacional (Biotrans), Unigranrio, Inmetro, UEZO, Duque de Caxias, Rio de Janeiro, Brazil
| | | | - Leandra Santos Baptista
- Núcleo Multidisciplinar de Pesquisa (Numpex-Bio), Universidade Federal do Rio de Janeiro, Duque de Caxias, Rio de Janeiro, Brazil
- Laboratório de Bioengenharia Tecidual (Labio), Instituto Nacional de Metrologia Qualidade e Tecnologia, Duque de Caxias, Rio de Janeiro, Brazil
- Programa de Pós-graduação em Biomedicina Translacional (Biotrans), Unigranrio, Inmetro, UEZO, Duque de Caxias, Rio de Janeiro, Brazil
| | - Leonardo da Cunha Boldrini Pereira
- Núcleo Multidisciplinar de Pesquisa (Numpex-Bio), Universidade Federal do Rio de Janeiro, Duque de Caxias, Rio de Janeiro, Brazil
- Programa de Pós-graduação em Biomedicina Translacional (Biotrans), Unigranrio, Inmetro, UEZO, Duque de Caxias, Rio de Janeiro, Brazil
| | - Emerson Oliveira da Silva
- Instituto de Macromoléculas Professora Eloisa Mano (IMA), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
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Gonçalves AM, Moreira A, Weber A, Williams GR, Costa PF. Osteochondral Tissue Engineering: The Potential of Electrospinning and Additive Manufacturing. Pharmaceutics 2021; 13:983. [PMID: 34209671 PMCID: PMC8309012 DOI: 10.3390/pharmaceutics13070983] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/22/2021] [Accepted: 06/25/2021] [Indexed: 12/14/2022] Open
Abstract
The socioeconomic impact of osteochondral (OC) damage has been increasing steadily over time in the global population, and the promise of tissue engineering in generating biomimetic tissues replicating the physiological OC environment and architecture has been falling short of its projected potential. The most recent advances in OC tissue engineering are summarised in this work, with a focus on electrospun and 3D printed biomaterials combined with stem cells and biochemical stimuli, to identify what is causing this pitfall between the bench and the patients' bedside. Even though significant progress has been achieved in electrospinning, 3D-(bio)printing, and induced pluripotent stem cell (iPSC) technologies, it is still challenging to artificially emulate the OC interface and achieve complete regeneration of bone and cartilage tissues. Their intricate architecture and the need for tight spatiotemporal control of cellular and biochemical cues hinder the attainment of long-term functional integration of tissue-engineered constructs. Moreover, this complexity and the high variability in experimental conditions used in different studies undermine the scalability and reproducibility of prospective regenerative medicine solutions. It is clear that further development of standardised, integrative, and economically viable methods regarding scaffold production, cell selection, and additional biochemical and biomechanical stimulation is likely to be the key to accelerate the clinical translation and fill the gap in OC treatment.
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Affiliation(s)
| | - Anabela Moreira
- BIOFABICS, Rua Alfredo Allen 455, 4200-135 Porto, Portugal; (A.M.G.); (A.M.)
| | - Achim Weber
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstrasse 12, 70569 Stuttgart, Germany;
| | - Gareth R. Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK;
| | - Pedro F. Costa
- BIOFABICS, Rua Alfredo Allen 455, 4200-135 Porto, Portugal; (A.M.G.); (A.M.)
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Saska S, Pilatti L, Silva ESDS, Nagasawa MA, Câmara D, Lizier N, Finger E, Dyszkiewicz Konwińska M, Kempisty B, Tunchel S, Blay A, Shibli JA. Polydioxanone-Based Membranes for Bone Regeneration. Polymers (Basel) 2021; 13:polym13111685. [PMID: 34064251 PMCID: PMC8196877 DOI: 10.3390/polym13111685] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 01/14/2023] Open
Abstract
Resorbable synthetic and natural polymer-based membranes have been extensively studied for guided tissue regeneration. Alloplastic biomaterials are often used for tissue regeneration due to their lower immunoreactivity when compared with allogeneic and xenogeneic materials. Plenum® Guide is a synthetic membrane material based on polydioxanone (PDO), whose surface morphology closely mimics the extracellular matrix. In this study, Plenum® Guide was compared with collagen membranes as a barrier material for bone-tissue regeneration in terms of acute and subchronic systemic toxicity. Moreover, characterizations such as morphology, thermal analysis (Tm = 107.35 °C and crystallinity degree = 52.86 ± 2.97 %, final product), swelling (thickness: 0.25 mm ≅ 436% and 0.5 mm ≅ 425% within 24 h), and mechanical tests (E = 30.1 ± 6.25 MPa; σ = 3.92 ± 0.28 MPa; ε = 287.96 ± 34.68%, final product) were performed. The in vivo results revealed that the PDO membranes induced a slightly higher quantity of newly formed bone tissue than the control group (score: treated group = 15, control group = 13) without detectable systemic toxicity (clinical signs and evaluation of the membranes after necropsy did not result in differences between groups, i.e., non-reaction -> tissue-reaction index = 1.3), showing that these synthetic membranes have the essential characteristics for an effective tissue regeneration. Human adipose-derived stem cells (hASCs) were seeded on PDO membranes; results demonstrated efficient cell migration, adhesion, spread, and proliferation, such that there was a slightly better hASC osteogenic differentiation on PDO than on collagen membranes. Hence, Plenum® Guide membranes are a safe and efficient alternative for resorbable membranes for tissue regeneration.
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Affiliation(s)
- Sybele Saska
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
- Correspondence: (S.S.); (J.A.S.); Tel.: +55-11-3109-9045 (J.A.S.)
| | - Livia Pilatti
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
| | - Edvaldo Santos de Sousa Silva
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
| | - Magda Aline Nagasawa
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
- Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Guarulhos 07023-070, Brazil
| | - Diana Câmara
- Nicell—Pesquisa e Desenvolvimento Ltd.a, 2721 Av. Indianápolis, São Paulo 04063-005, Brazil;
| | - Nelson Lizier
- CCB—Centro de Criogenia Brasil, 1861 Av. Indianápolis, São Paulo 04063-003, Brazil;
| | - Eduardo Finger
- Hospital Israelita Albert Einstein, 627 Av. Albert Einstein, São Paulo 05652-900, Brazil;
| | | | - Bartosz Kempisty
- Department of Histology and Embryology, Poznań University of Medical Sciences, 60-781 Poznan, Poland;
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Toruń, 87-100 Torun, Poland
- Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC 27695-7608, USA
| | - Samy Tunchel
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
| | - Alberto Blay
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
| | - Jamil Awad Shibli
- M3 Health Ind. Com. de Prod. Med. Odont. e Correlatos S.A., 640 Ain Ata, Jundiaí 13212-213, Brazil; (L.P.); (E.S.d.S.S.); (M.A.N.); (S.T.); (A.B.)
- Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Guarulhos 07023-070, Brazil
- Correspondence: (S.S.); (J.A.S.); Tel.: +55-11-3109-9045 (J.A.S.)
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28
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Nuge T, Liu X, Tshai KY, Lim SS, Nordin N, Hoque ME, Liu Z. Accelerated wound closure: Systematic evaluation of cellulose acetate effects on biologically active molecules release from amniotic fluid stem cells. Biotechnol Appl Biochem 2021; 69:906-919. [PMID: 33826152 DOI: 10.1002/bab.2162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 03/26/2021] [Indexed: 01/07/2023]
Abstract
Despite a lot of intensive research on cell-scaffold interaction, the focus is mainly on the capacity of construct scaffolds to regulate cell mobility, migration, and cytotoxicity. The effect of the scaffold's topographical and material properties on the expression of biologically active compounds from stem cells is not well understood. In this study, the influence of cellulose acetate (CA) on the electrospinnability of gelatin and the roles of gelatin-cellulose acetate (Ge-CA) on modulating the release of biologically active compounds from amniotic fluid stem cells (AFSCs) is emphasized. It was found that the presence of a small amount of CA could provide a better microenvironment that mimics AFSCs' niche. However, a large amount of CA exhibited no significant effect on AFSCs migration and infiltration. Further study on the effect of surface topography and mechanical properties on AFSCs showed that the tailored microenvironment provided by the Ge-CA scaffolds had transduced physical cues to biomolecules released into the culture media. It was found that the AFSCs seeded on electrospun scaffolds with less CA proportions have profound effects on the secretion of metabolic compounds compared to those with higher CA contained and gelatin coating. The enhanced secretion of biologically active molecules by the AFSCs on the electrospun scaffolds was proven by the accelerated wound closure on the injured human dermal fibroblast (HDF) model. The rapid HDF cell migration could be anticipated due to a higher level of paracrine factors in AFSCs media. Our study demonstrates that the fibrous topography and mechanical properties of the scaffold are a key material property that modulates the high expression of biologically active compounds from the AFSCs. The discovery elucidates a new aspect of material functions and scaffolds material-AFSC interaction for regulating biomolecules release to promote tissue regeneration/repair. To the best of our knowledge, this is the first report describing the scaffolds material-AFSC interaction and the efficacy of scratch assays on quantifying the cell migration in response to the AFSCs metabolic products.
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Affiliation(s)
- Tamrin Nuge
- Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China
| | - Xiaoling Liu
- Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China
| | - Kim Yeow Tshai
- Faculty of Science and Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Malaysia
| | - Siew Shee Lim
- Faculty of Science and Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Malaysia
| | - Norshariza Nordin
- Faculty of Medicine and Health Sciences, University Putra Malaysia, Serdang, Malaysia
| | - Md Enamul Hoque
- Department of Biomedical Engineering, Military Institute of Science and Technology, Dhaka, Bangladesh
| | - Ziqian Liu
- Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China
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29
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Sordi MB, Cruz A, Fredel MC, Magini R, Sharpe PT. Three-dimensional bioactive hydrogel-based scaffolds for bone regeneration in implant dentistry. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 124:112055. [PMID: 33947549 DOI: 10.1016/j.msec.2021.112055] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 12/13/2022]
Abstract
Bone tissue requires a range of complex mechanisms to allow the restoration of its structure and function. Bone healing is a signaling cascade process, involving cells secreting cytokines, growth factors, and pro-inflammatory factors in the defect site that will, subsequently, recruit surrounding stem cells to migrate, proliferate, and differentiate into bone-forming cells. Bioactive functional scaffolds could be applied to improve the bone healing processes where the organism is not able to fully regenerate the lost tissue. However, to be optimal, such scaffolds should act as osteoconductors - supporting bone-forming cells, providing nutrients, and sustaining the arrival of new blood vessels, and act as osteoinducers - slowly releasing signaling molecules that stimulate mesenchymal stem cells to differentiate and deposit mineralized bone matrix. Different compositions and shapes of scaffolds, cutting-edge technologies, application of signaling molecules to promote cell differentiation, and high-quality biomaterials are reaching favorable outcomes towards osteoblastic differentiation of stem cells in in vitro and in vivo researches for bone regeneration. Hydrogel-based biomaterials are being pointed as promising for bone tissue regeneration; however, despite all the research and high-impact scientific publications, there are still several challenges that prevent the use of hydrogel-based scaffolds for bone regeneration being feasible for their clinical application. Hence, the objective of this review is to consolidate and report, based on the current scientific literature, the approaches for bone tissue regeneration using bioactive hydrogel-based scaffolds, cell-based therapies, and three-dimensional bioprinting to define the key challenges preventing their use in clinical applications.
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Affiliation(s)
- Mariane B Sordi
- Research Center on Dental Implants, Department of Odontology, Federal University of Santa Catarina, 88040-900 Florianopolis, SC, Brazil; Centre for Craniofacial and Regenerative Biology, Guy's Hospital, King's College London, SE1 9RT, UK.
| | - Ariadne Cruz
- Department of Odontology, Federal University of Santa Catarina, 88040-900 Florianopolis, SC, Brazil.
| | - Márcio C Fredel
- Ceramic and Composite Materials Research Group, Department of Mechanical Engineering, Federal University of Santa Catarina, 88040-900 Florianopolis, SC, Brazil.
| | - Ricardo Magini
- Department of Odontology, Federal University of Santa Catarina, 88040-900 Florianopolis, SC, Brazil
| | - Paul T Sharpe
- Centre for Craniofacial and Regenerative Biology, Guy's Hospital, King's College London, SE1 9RT, UK.
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Watchararot T, Prasongchean W, Thongnuek P. Angiogenic property of silk fibroin scaffolds with adipose-derived stem cells on chick chorioallantoic membrane. ROYAL SOCIETY OPEN SCIENCE 2021; 8:201618. [PMID: 33959331 PMCID: PMC8074929 DOI: 10.1098/rsos.201618] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 03/02/2021] [Indexed: 06/12/2023]
Abstract
Angiogenesis is a crucial step in tissue regeneration and repair. Biomaterials that allow or promote angiogenesis are thus beneficial. In this study, angiogenic properties of salt-leached silk fibroin (SF) scaffolds seeded with human adipose stem cells (hADSCs) were studied using chick chorioallantoic membrane (CAM) as a model. The hADSC-seeded SF scaffolds (SF-hADSC) with the porosity of 77.34 ± 6.96% and the pore diameter of 513.95 ± 4.99 µm were implanted on the CAM of chick embryos that were on an embryonic day 8 (E8) of development. The SF-hADSC scaffolds induced a spoke-wheel pattern of capillary network indicative of angiogenesis, which was evident since E11. Moreover, the ingrowth of blood vessels into the scaffolds was seen in histological sections. The unseeded scaffolds induced the same extent of angiogenesis later on E14. By contrast, the control group could not induce the same extent of angiogenesis. In vitro cytotoxicity tests and in vivo angioirritative study reaffirmed the biocompatibility of the scaffolds. This work highlighted that the biocompatible SF-hADSC scaffolds accelerate angiogenesis, and hence they can be a promising biomaterial for the regeneration of tissues that require angiogenesis.
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Affiliation(s)
- Tanapong Watchararot
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Weerapong Prasongchean
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Peerapat Thongnuek
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomaterial Engineering for Medical and Health Research Unit, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
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Cheng J, Zou Q, Xue Y, Sun C, Zhang D. Mechanical stretch promotes antioxidant responses and cardiomyogenic differentiation in P19 cells. J Tissue Eng Regen Med 2021; 15:453-462. [PMID: 33743188 DOI: 10.1002/term.3184] [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: 12/19/2020] [Revised: 01/26/2021] [Accepted: 02/14/2021] [Indexed: 11/07/2022]
Abstract
Accumulating evidence has suggested that mechanical stimuli play a crucial role in regulating the lineage-specific differentiation of stem cells through fine-tuning redox balance. We aimed to investigate the effects of cyclic tensile strain (CTS) on the expression of antioxidant enzymes and cardiac-specific genes in P19 cells, a widely characterized tool for cardiac differentiation research. A stretching device was applied to generate different magnitude and duration of cyclic strains on P19 cells. The messenger RNA and protein levels of targeted genes were determined by real-time polymerase chain reaction and Western blot assays, respectively. Proper magnitude and duration of cognitive stimulation therapy (CST) stimulation substantially enhanced the expression of both antioxidant enzymes and cardiac-specific genes in P19 cells. Sirtuin 1 (SIRT1) played an essential role in the CTS-induced cardiomyogenic differentiation of P19, as evidenced by changes in the expression of antioxidant enzymes and cardiac-specific genes. Mechanical loading promoted the cardiomyogenic differentiation of P19 cells. SIRT1 was involved in CST-mediated P19 differentiation, implying that SIRT1 might serve as an important target for developing methods to promote cardiomyogenic differentiation of stem cells.
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Affiliation(s)
- Jin Cheng
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Qing Zou
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Yugang Xue
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Chuang Sun
- Department of Cardiology, Xi'An International Medical Center Hospital, Xi'an, Shaanxi, China
| | - Dongwei Zhang
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
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Terauchi M, Tamura A, Arisaka Y, Masuda H, Yoda T, Yui N. Cyclodextrin-Based Supramolecular Complexes of Osteoinductive Agents for Dental Tissue Regeneration. Pharmaceutics 2021; 13:136. [PMID: 33494320 PMCID: PMC7911178 DOI: 10.3390/pharmaceutics13020136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 12/16/2022] Open
Abstract
Oral tissue regeneration has received growing attention for improving the quality of life of patients. Regeneration of oral tissues such as alveolar bone and widely defected bone has been extensively investigated, including regenerative treatment of oral tissues using therapeutic cells and growth factors. Additionally, small-molecule drugs that promote bone formation have been identified and tested as new regenerative treatment. However, treatments need to progress to realize successful regeneration of oral functions. In this review, we describe recent progress in development of regenerative treatment of oral tissues. In particular, we focus on cyclodextrin (CD)-based pharmaceutics and polyelectrolyte complexation of growth factors to enhance their solubility, stability, and bioactivity. CDs can encapsulate hydrophobic small-molecule drugs into their cavities, resulting in inclusion complexes. The inclusion complexation of osteoinductive small-molecule drugs improves solubility of the drugs in aqueous solutions and increases in vitro osteogenic differentiation efficiency. Additionally, various anionic polymers such as heparin and its mimetic polymers have been developed to improve stability and bioactivity of growth factors. These polymers protect growth factors from deactivation and degradation by complex formation through electrostatic interaction, leading to potentiation of bone formation ability. These approaches using an inclusion complex and polyelectrolyte complexes have great potential in the regeneration of oral tissues.
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Affiliation(s)
- Masahiko Terauchi
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Atsushi Tamura
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
| | - Yoshinori Arisaka
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
| | - Hiroki Masuda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Tetsuya Yoda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
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Salehi A, Mobarhan MA, Mohammadi J, Shahsavarani H, Shokrgozar MA, Alipour A. Cabbage-derived three-dimensional cellulose scaffold-induced osteogenic differentiation of stem cells. J Cell Physiol 2020; 236:5306-5316. [PMID: 33377240 DOI: 10.1002/jcp.30239] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 12/19/2022]
Abstract
Herbal-derived three-dimensional scaffolds have a unique structure that represents the natural cellular microenvironment and can be potentially used for tissue engineering applications. In the present study, cabbage (Cb) leaves were decellularized and then their characteristics, such as surface roughness, wettability, porosity, mechanical properties, and specific surface area, were investigated. After that, scaffold osteoinductivity was studied by bone-marrow-derived mesenchymal stem cells (BM-MSCs) osteogenic differentiation while growing on the decellularized Cb leaves. Cells mineralization, calcium secretion, alkaline phosphatase (ALP) activity, and expression levels of bone-related genes were determined during the differentiation process. Our results from the structural characterization of the scaffolds demonstrated that decellularized Cb leaves are good candidates for bone differentiation in terms of surface roughness, mechanical properties, and interconnected pores. Osteogenic differentiation evaluation of the BM-MSCs determined that the cell's ALP activity and mineralization were increased significantly while cultured on the decellularized Cb leaves compared to the cells cultured on the culture plate as a control. Besides, Runx2, ALP, collagen-1 (Col-I), and osteocalcin genes were expressed in cells cultured on decellularized Cb leaves significantly higher than cells cultured on the culture plate. Based on these results, it can be concluded that the decellularized Cb scaffold has great potential for promoting BM-MSCs proliferation and osteogenic differentiation.
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Affiliation(s)
- Ali Salehi
- Department of Life Science, Faculty of New Science and Technology, University of Tehran, Tehran, Iran
| | - Mohammad A Mobarhan
- Department of Life Science, Faculty of New Science and Technology, University of Tehran, Tehran, Iran
| | - Javad Mohammadi
- Department of Life Science, Faculty of New Science and Technology, University of Tehran, Tehran, Iran
| | - Hosein Shahsavarani
- Department of Cellular and Molecular Sciences, Faculty of Bioscience and Biotechnology, Shahid Beheshti University, Tehran, Iran.,Laboratory of Regenerative Medicine and Biomedical Innovations, Pasteur Institute of Iran, Tehran, Iran
| | | | - Atefeh Alipour
- Department of Nanobiotechnology, Pasteur Institute of Iran, Tehran, Iran
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Essa HH, Jasim HS, Kadhim HA. Immunological and Hematological Response to Local Transplantation of Stem Cells in Injured Radial Nerve of Dogs. THE IRAQI JOURNAL OF VETERINARY MEDICINE 2020. [DOI: 10.30539/ijvm.v44i2.976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The current study was carried out to investigate the immunological and hematological changes due to local transplantation of human umbilical cord-mesenchymal-stem cells (HUC-MSCs) and scaffold-stem cells (SSCs) into the injured radial nerve. Therefore, three equal groups of dogs were subjected to this study; experimental (EG), positive control (PCG) and negative control (NCG). At 1st week, dogs of EG were showed an obvious mobility dysfunction. At 2nd and 4th weeks, there were apparent improvements reported on general and physical activities as well as functional ability of forelimb with the presence of slight lameness that was cured completely at 5th week. Regarding to immunobiomarkers, insignificant differences were showed at 1st week. However, significantly increase in IgG and TNF-α, and decrease in IL-10 was reported at 2nd, 4th, and 6th weeks. Regarding to hematologic parameters, significantly increases were recorded in total WBCs from 2nd week onwards, lymphocytes and neutrophils at 2nd week, monocytes at the 2nd and 4th weeks, and total RBCs at the 8th and 16th weeks. Significant differences were not reported in values of PCV and Hb throughout this study. In conclusion, HUC-MSCs and SSCs confirmed high activities in supporting of immunological and hematological responses, and in restoration of nerve function
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Grzeskowiak RM, Schumacher J, Dhar MS, Harper DP, Mulon PY, Anderson DE. Bone and Cartilage Interfaces With Orthopedic Implants: A Literature Review. Front Surg 2020; 7:601244. [PMID: 33409291 PMCID: PMC7779634 DOI: 10.3389/fsurg.2020.601244] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/25/2020] [Indexed: 12/21/2022] Open
Abstract
The interface between a surgical implant and tissue consists of a complex and dynamic environment characterized by mechanical and biological interactions between the implant and surrounding tissue. The implantation process leads to injury which needs to heal over time and the rapidity of this process as well as the property of restored tissue impact directly the strength of the interface. Bleeding is the first and most relevant step of the healing process because blood provides growth factors and cellular material necessary for tissue repair. Integration of the implants placed in poorly vascularized tissue such as articular cartilage is, therefore, more challenging than compared with the implants placed in well-vascularized tissues such as bone. Bleeding is followed by the establishment of a provisional matrix that is gradually transformed into the native tissue. The ultimate goal of implantation is to obtain a complete integration between the implant and tissue resulting in long-term stability. The stability of the implant has been defined as primary (mechanical) and secondary (biological integration) stability. Successful integration of an implant within the tissue depends on both stabilities and is vital for short- and long-term surgical outcomes. Advances in research aim to improve implant integration resulting in enhanced implant and tissue interface. Numerous methods have been employed to improve the process of modifying both stability types. This review provides a comprehensive discussion of current knowledge regarding implant-tissue interfaces within bone and cartilage as well as novel approaches to strengthen the implant-tissue interface. Furthermore, it gives an insight into the current state-of-art biomechanical testing of the stability of the implants. Current knowledge reveals that the design of the implants closely mimicking the native structure is more likely to become well integrated. The literature provides however several other techniques such as coating with a bioactive compound that will stimulate the integration and successful outcome for the patient.
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Affiliation(s)
- Remigiusz M. Grzeskowiak
- Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Jim Schumacher
- Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Madhu S. Dhar
- Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - David P. Harper
- The Center for Renewable Carbon, Institute of Agriculture, University of Tennessee, Knoxville, TN, United States
| | - Pierre-Yves Mulon
- Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - David E. Anderson
- Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
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Jacob G, Shimomura K, Nakamura N. Osteochondral Injury, Management and Tissue Engineering Approaches. Front Cell Dev Biol 2020; 8:580868. [PMID: 33251212 PMCID: PMC7673409 DOI: 10.3389/fcell.2020.580868] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022] Open
Abstract
Osteochondral lesions (OL) are a common clinical problem for orthopedic surgeons worldwide and are associated with multiple clinical scenarios ranging from trauma to osteonecrosis. OL vary from chondral lesions in that they involve the subchondral bone and chondral surface, making their management more complex than an isolated chondral injury. Subchondral bone involvement allows for a natural healing response from the body as marrow elements are able to come into contact with the defect site. However, this repair is inadequate resulting in fibrous scar tissue. The second differentiating feature of OL is that damage to the subchondral bone has deleterious effects on the mechanical strength and nutritive capabilities to the chondral joint surface. The clinical solution must, therefore, address both the articular cartilage as well as the subchondral bone beneath it to restore and preserve joint health. Both cartilage and subchondral bone have distinctive functional requirements and therefore their physical and biological characteristics are very much dissimilar, yet they must work together as one unit for ideal joint functioning. In the past, the obvious solution was autologous graft transfer, where an osteochondral bone plug was harvested from a non-weight bearing portion of the joint and implanted into the defect site. Allografts have been utilized similarly to eliminate the donor site morbidity associated with autologous techniques and overall results have been good but both techniques have their drawbacks and limitations. Tissue engineering has thus been an attractive option to create multiphasic scaffolds and implants. Biphasic and triphasic implants have been under explored and have both a chondral and subchondral component with an interface between the two to deliver an implant which is biocompatible and emulates the osteochondral unit as a whole. It has been a challenge to develop such implants and many manufacturing techniques have been utilized to bring together two unalike materials and combine them with cellular therapies. We summarize the functions of the osteochondral unit and describe the currently available management techniques under study.
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Affiliation(s)
- George Jacob
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
- Department of Orthopedics, Tejasvini Hospital, Mangalore, India
| | - Kazunori Shimomura
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Norimasa Nakamura
- Institute for Medical Science in Sports, Osaka Health Science University, Osaka, Japan
- Global Center for Medical Engineering and Informatics, Osaka University, Osaka, Japan
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Sriwatananukulkit O, Tawonsawatruk T, Rattanapinyopituk K, Luangwattanawilai T, Srikaew N, Hemstapat R. Scaffold-Free Cartilage Construct from Infrapatellar Fat Pad Stem Cells for Cartilage Restoration. Tissue Eng Part A 2020; 28:199-211. [PMID: 32972295 DOI: 10.1089/ten.tea.2020.0167] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Once damaged, the articular cartilage has a very limited intrinsic capacity for self-renewal due to its avascular nature. If left untreated, damaged cartilage can lead to progressive degeneration of bone and eventually causes pain. Infrapatellar fat pad adipose-derived mesenchymal stromal cells (IPFP-ASCs) has a potential role for cartilage restoration. However, the therapeutic role for IPFP-ASCs remains to be evaluated in an appropriate osteochondral defect model. Thus, this study aimed to investigate the potential of using a three-dimensional (3D) cartilage construct of IPFP-ASCs as a promising source of cells to restore articular cartilage and to attenuate pain associated with the cartilage defect in an osteochondral defect model. The chondrogenic differentiation potential of the 3D cartilage construct derived from IPFP-ASCs was determined before implantation and postimplantation by gene expression and immunohistochemistry analysis. Pain-related behavior was also assessed by using a weight-bearing test. A significant pain-associated with the osteochondral defect was observed in this model in all groups postinduction; however, this pain can spontaneously resolve within 3 weeks postimplantation regardless of implantation of IPFP-ASCs constructs. The expression of SOX9 and COL2A1 genes in addition to protein expression were strongly expressed in 3D construct IPFP-ASCs. The existence of mature chondrocytes, along with significant (p < 0.05) positive immunostaining for type II collagen and aggrecan, were identified in the implanted site for up to 12 weeks compared with the untreated group, indicating hyaline cartilage regeneration. Taken together, this study demonstrated the successful outcome of osteochondral regeneration with scaffold-free IPFP-ASCs constructs in an osteochondral defect rat model. It provides novel and interesting insights into the current hypothesis that 3D construct IPFP-ASCs may offer potential benefits as an alternative approach to repair the cartilage defect. Impact statement This study provides evidence of using the human 3D scaffold-free infrapatellar fat pad adipose-derived mesenchymal stromal cells (IPFP-ASCs) construct to restore the full-thickness osteochondral defect in a rat model. This study showed that chondrogenic features of the construct could be retained for up to 12 weeks postimplantation. The results of this proof-of-concept study support that human 3D scaffold-free IPFP-ASCs construct has potential benefits in promoting the hyaline-like native cartilage restoration, which may be beneficial as a tissue-specific stem cell for cell-based cartilage therapy. There are several clinical advantages of IPFP-ASC including ease and minimal invasive harvesting, chondrogenic inducible property, and tissue-specific progenitors in the knee.
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Affiliation(s)
| | | | - Kasem Rattanapinyopituk
- Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | | | - Narongrit Srikaew
- Research Centre, Faculty of Medicine, Ramathibodi Hospital, Bangkok, Thailand
| | - Ruedee Hemstapat
- Department of Pharmacology, Faculty of Science, Mahidol University, Bangkok, Thailand
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Norris EG, Dalecki D, Hocking DC. Using Acoustic Fields to Fabricate ECM-Based Biomaterials for Regenerative Medicine Applications. RECENT PROGRESS IN MATERIALS 2020; 2:1-24. [PMID: 33604591 PMCID: PMC7889011 DOI: 10.21926/rpm.2003018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ultrasound is emerging as a promising tool for both characterizing and fabricating engineered biomaterials. Ultrasound-based technologies offer a diverse toolbox with outstanding capacity for optimization and customization within a variety of therapeutic contexts, including improved extracellular matrix-based materials for regenerative medicine applications. Non-invasive ultrasound fabrication tools include the use of thermal and mechanical effects of acoustic waves to modify the structure and function of extracellular matrix scaffolds both directly, and indirectly via biochemical and cellular mediators. Materials derived from components of native extracellular matrix are an essential component of engineered biomaterials designed to stimulate cell and tissue functions and repair or replace injured tissues. Thus, continued investigations into biological and acoustic mechanisms by which ultrasound can be used to manipulate extracellular matrix components within three-dimensional hydrogels hold much potential to enable the production of improved biomaterials for clinical and research applications.
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Affiliation(s)
- Emma G Norris
- Department of Pharmacology and Physiology, University of Rochester, Rochester, New York, USA
| | - Diane Dalecki
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
| | - Denise C Hocking
- Department of Pharmacology and Physiology, University of Rochester, Rochester, New York, USA
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
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Effect of Cu- and Zn-Doped Bioactive Glasses on the In Vitro Bioactivity, Mechanical and Degradation Behavior of Biodegradable PDLLA Scaffolds. MATERIALS 2020; 13:ma13132908. [PMID: 32610464 PMCID: PMC7372424 DOI: 10.3390/ma13132908] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/10/2020] [Accepted: 06/15/2020] [Indexed: 11/16/2022]
Abstract
Biodegradable polymer scaffolds filled with bioactive glass particles doped with therapeutic metal ions are a novel and promising strategy to repair critical-sized bone defects. In this study, scaffolds based on a poly (D, L-lactide acid) (PDLLA) matrix filled with un-doped and Cu-, Zn- and CuZn-doped bioactive glass particles were produced by freeze-drying and a salt-leaching method. The effects of the doping and content of the glass particles (10 and 30 wt.%) on the morphology, compression properties, apatite formation, and degradation behavior of the scaffolds were evaluated. The scaffolds presented high porosity (~93%) with pores ranged from 100 to 400 μm interconnected by smaller pores and this porosity was kept after the glass particles incorporation. The glass particles reinforced the polymer scaffolds with improvements as high as 130% in elastic moduli, and further promoted the apatite formation on the scaffold surface, both properties depending on the amount and type of filler. The bioactive glass particles boosted the scaffold degradation with the PDLLA/un-doped glass scaffold showing the highest rate, but still retaining structural and dimensional integrity. Our findings show that the incorporation of un-doped and metal-doped bioactive glasses increases the mechanical strength, promotes the bioactivity and modifies the degradation profile of the resulting polymer/glass scaffolds, making them better candidates for bone repair.
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Xu F, Gough I, Dorogin J, Sheardown H, Hoare T. Nanostructured degradable macroporous hydrogel scaffolds with controllable internal morphologies via reactive electrospinning. Acta Biomater 2020; 104:135-146. [PMID: 31904560 DOI: 10.1016/j.actbio.2019.12.038] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/28/2019] [Accepted: 12/30/2019] [Indexed: 01/17/2023]
Abstract
Creating micro/nanostructured hydrogels with tunable morphologies under cell-friendly processing conditions would enable rational engineering of hydrogel scaffolds for targeted biomedical applications. Herein, an all-aqueous single-step reactive electrospinning method is applied to prepare hydrogel networks with controlled morphologies on both the nanoscale and the microscale. Hydrazide and aldehyde-functionalized poly(oligo ethylene glycol methacrylate) (POEGMA) are co-spun from a double barrel syringe together with poly(ethylene oxide) (PEO) as an electrospinning aid. By varying the concentrations and molecular weights of PEO and/or POEGMA, various morphologies from pure fibers to beaded fibers to bead network morphologies with tunable bead sizes can be fabricated, all of which remain monolithically stable in water due to the dynamic covalent crosslinks formed within the gel structure. The rates and magnitudes of swelling, degradation, and mechanics of the resulting scaffolds can be tuned by independently controlling gel morphologies on the nanoscale (i.e. crosslink density within the gel) and the microscale (i.e. the network structure formed), with an atypical independence of swelling relative to the mechanics and degradation rate observed. Furthermore, the internal morphology of the networks is demonstrated to systematically alter both the cell responses within the scaffolds and the rate of protein release from the scaffolds, with small fibers showing optimal cell proliferation, bead networks exhibiting the slowest protein release kinetics and very high maintained cell viabilities post-electrospinning, and beaded fibers showing intermediate properties. STATEMENT OF SIGNIFICANCE: Controlling the internal structure of hydrogels is critical to successfully applying hydrogels in biomedical applications such as tissue engineering or cell/drug delivery. However, current techniques to fabricate hydrogel scaffolds typically require additives or gelation processes that are poorly compatible with cells and/or require multi-step processes. In this paper, we describe the fabrication of hydrogel scaffolds with tunable feature sizes (from nanometer to micrometer scale) and structures (from all fibers to bead/fiber mixtures to a new "bead network" morphology) using a reactive electrospinning strategy leveraging dynamic hydrazone crosslinking. We show single-step cell/protein loading and systematic control over cell proliferation and protein release kinetics by systematically manipulating the scaffold morphologies and feature sizes, allowing facile customization of scaffold properties for targeted applications.
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Choi JH, Lee W, Song C, Moon BK, Yoon SJ, Neves NM, Reis RL, Khang G. Application of Gellan Gum-Based Scaffold for Regenerative Medicine. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1249:15-37. [PMID: 32602088 DOI: 10.1007/978-981-15-3258-0_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gellan gum (GG) is a linear microbial exopolysaccharide which is derived naturally by the fermentation process of Pseudomonas elodea. Application of GG in tissue engineering and regeneration medicine (TERM) is already over 10 years and has shown great potential. Although this biomaterial has many advantages such as biocompatibility, biodegradability, nontoxic in nature, and physical stability in the presence of cations, a variety of modification methods have been suggested due to some disadvantages such as mechanical properties, high gelation temperature, and lack of attachment sites. In this review, the application of GG-based scaffold for tissue engineering and approaches to improve GG properties are discussed. Furthermore, a recent trend and future perspective of GG-based scaffold are highlighted.
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Affiliation(s)
- Joo Hee Choi
- Department of BIN Convergence Technology, Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Jeonbuk National University, Jeonju, South Korea
| | - Wonchan Lee
- Department of BIN Convergence Technology, Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Jeonbuk National University, Jeonju, South Korea
| | - Cheolui Song
- Department of BIN Convergence Technology, Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Jeonbuk National University, Jeonju, South Korea
| | - Byung Kwan Moon
- Department of Polymer Nano Science & Technology, Jeonbuk National University, Jeonju-si, Jeollabuk-do, Republic of Korea
| | - Sun-Jung Yoon
- Department of Orthopedic Surgery, Medical School, Jeonbuk National University, Jeonju-si, Republic of Korea
| | - Nuno M Neves
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Guimarães, Portugal
- ICVS/3B's - PT Government Associated Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Guimarães, Portugal
- ICVS/3B's - PT Government Associated Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Gilson Khang
- Department of BIN Convergence Technology, Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Jeonbuk National University, Jeonju, South Korea.
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Ghosal K, Bhattacharjee U, Sarkar K. Facile green synthesis of bioresorbable polyester from soybean oil and recycled plastic waste for osteochondral tissue regeneration. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2019.109338] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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43
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Mellor LF, Nordberg RC, Huebner P, Mohiti-Asli M, Taylor MA, Efird W, Oxford JT, Spang JT, Shirwaiker RA, Loboa EG. Investigation of multiphasic 3D-bioplotted scaffolds for site-specific chondrogenic and osteogenic differentiation of human adipose-derived stem cells for osteochondral tissue engineering applications. J Biomed Mater Res B Appl Biomater 2019; 108:2017-2030. [PMID: 31880408 PMCID: PMC7217039 DOI: 10.1002/jbm.b.34542] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 08/20/2019] [Accepted: 11/29/2019] [Indexed: 12/16/2022]
Abstract
Osteoarthritis is a degenerative joint disease that limits mobility of the affected joint due to the degradation of articular cartilage and subchondral bone. The limited regenerative capacity of cartilage presents significant challenges when attempting to repair or reverse the effects of cartilage degradation. Tissue engineered medical products are a promising alternative to treat osteochondral degeneration due to their potential to integrate into the patient's existing tissue. The goal of this study was to create a scaffold that would induce site-specific osteogenic and chondrogenic differentiation of human adipose-derived stem cells (hASC) to generate a full osteochondral implant. Scaffolds were fabricated using 3D-bioplotting of biodegradable polycraprolactone (PCL) with either β-tricalcium phosphate (TCP) or decellularized bovine cartilage extracellular matrix (dECM) to drive site-specific hASC osteogenesis and chondrogenesis, respectively. PCL-dECM scaffolds demonstrated elevated matrix deposition and organization in scaffolds seeded with hASC as well as a reduction in collagen I gene expression. 3D-bioplotted PCL scaffolds with 20% TCP demonstrated elevated calcium deposition, endogenous alkaline phosphatase activity, and osteopontin gene expression. Osteochondral scaffolds comprised of hASC-seeded 3D-bioplotted PCL-TCP, electrospun PCL, and 3D-bioplotted PCL-dECM phases were evaluated and demonstrated site-specific osteochondral tissue characteristics. This technique holds great promise as cartilage morbidity is minimized since autologous cartilage harvest is not required, tissue rejection is minimized via use of an abundant and accessible source of autologous stem cells, and biofabrication techniques allow for a precise, customizable methodology to rapidly produce the scaffold.
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Affiliation(s)
- Liliana F Mellor
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina
| | - Rachel C Nordberg
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina.,Department of Biomedical, Biological and Chemical Engineering, College of Engineering, University of Missouri, Columbia, Missouri
| | - Pedro Huebner
- Edward P. Fitts Department of Industrial and Systems Engineering, North Carolina State University, Raleigh, North Carolina
| | - Mahsa Mohiti-Asli
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina
| | - Michael A Taylor
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina
| | - William Efird
- Department of Orthopaedics, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Julia T Oxford
- Biomolecular Research Center, Boise State University, Boise, Idaho
| | - Jeffrey T Spang
- Department of Orthopaedics, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Rohan A Shirwaiker
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina.,Edward P. Fitts Department of Industrial and Systems Engineering, North Carolina State University, Raleigh, North Carolina
| | - Elizabeth G Loboa
- Department of Biomedical, Biological and Chemical Engineering, College of Engineering, University of Missouri, Columbia, Missouri
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Zhao Z, Liu J, Weir MD, Zhang N, Zhang L, Xie X, Zhang C, Zhang K, Bai Y, Xu HHK. Human periodontal ligament stem cells on calcium phosphate scaffold delivering platelet lysate to enhance bone regeneration. RSC Adv 2019; 9:41161-41172. [PMID: 35540034 PMCID: PMC9076431 DOI: 10.1039/c9ra08336g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 12/02/2019] [Indexed: 12/15/2022] Open
Abstract
Human periodontal ligament stem cells (hPDLSCs) are promising for tissue engineering applications but have received relatively little attention. Human platelet lysate (HPL) contains a cocktail of growth factors. To date, there has been no report on hPDLSC seeding on scaffolds loaded with HPL. The objectives of this study were to develop a calcium phosphate cement (CPC)-chitosan scaffold loaded with HPL and investigate their effects on hPDLSC viability, osteogenic differentiation and bone mineral synthesis for the first time. hPDLSCs were harvested from extracted human teeth. Scaffolds were formed by mixing CPC powder with a chitosan solution containing HPL. Four groups were tested: CPC-chitosan + 0% HPL (control); CPC-chitosan + 2.66% HPL; CPC-chitosan + 5.31% HPL; CPC-chitosan + 10.63% HPL. Scanning electron microscopy, live/dead staining, CCK-8, qRT-PCR, alkaline phosphatase and bone minerals assay were applied for hPDLSCs on scaffolds. hPDLSCs attached well on CPC-chitosan scaffold. Adding 10.63% HPL into CPC increased cell proliferation and viability (p < 0.05). ALP gene expression of CPC-chitosan + 10.63% HPL was 7-fold that of 0% HPL at 14 days. Runx2, OSX and Coll1 of CPC-chitosan + 10.63% HPL was 2-3 folds those at 0% HPL (p < 0.05). ALP activity of CPC-chitosan + 10.63% HPL was 2-fold that at 0% HPL (p < 0.05). Bone minerals synthesized by hPDLSCs for CPC-chitosan + 10.63% HPL was 3-fold that at 0% HPL (p < 0.05). This study showed that CPC-chitosan scaffold was a promising carrier for HPL delivery, and HPL in CPC exerted excellent promoting effects on hPDLSCs for bone tissue engineering for the first time. The novel hPDLSC-CPC-chitosan-HPL construct has great potential for orthopedic, dental and maxillofacial regenerative applications.
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Affiliation(s)
- Zeqing Zhao
- Department of Orthodontics, School of Stomatology, Capital Medical University Beijing China
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School Baltimore MD 21201 USA
| | - Jin Liu
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School Baltimore MD 21201 USA
- Key Laboratory of Shanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University China
| | - Michael D Weir
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School Baltimore MD 21201 USA
| | - Ning Zhang
- Department of Orthodontics, School of Stomatology, Capital Medical University Beijing China
| | - Li Zhang
- Department of Orthodontics, School of Stomatology, Capital Medical University Beijing China
| | - Xianju Xie
- Department of Orthodontics, School of Stomatology, Capital Medical University Beijing China
| | - Charles Zhang
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School Baltimore MD 21201 USA
| | - Ke Zhang
- Department of Orthodontics, School of Stomatology, Capital Medical University Beijing China
| | - Yuxing Bai
- Department of Orthodontics, School of Stomatology, Capital Medical University Beijing China
| | - Hockin H K Xu
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School Baltimore MD 21201 USA
- Member, Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine Baltimore MD 21201 USA
- Center for Stem Cell Biology & Regenerative Medicine, University of Maryland School of Medicine Baltimore MD 21201 USA
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Fernandes MM, Correia DM, Ribeiro C, Castro N, Correia V, Lanceros-Mendez S. Bioinspired Three-Dimensional Magnetoactive Scaffolds for Bone Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2019; 11:45265-45275. [PMID: 31682095 DOI: 10.1021/acsami.9b14001] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Bone tissue repair strategies are gaining increasing relevance due to the growing incidence of bone disorders worldwide. Biochemical stimulation is the most commonly used strategy for cell regeneration, while the application of physical cues, including magnetic, mechanical, or electrical fields, is a promising, however, scarcely investigated field. This work reports on novel magnetoactive three-dimensional (3D) porous scaffolds suitable for effective proliferation of osteoblasts in a biomimetic microenvironment. This physically active microenvironment is developed through the bone-mimicking structure of the scaffold combined with the physical stimuli provided by a magnetic custom-made bioreactor on a magnetoresponsive scaffold. Scaffolds are obtained through the development of nanocomposites comprised of a piezoelectric polymer, poly(vinylidene fluoride) (PVDF), and magnetostrictive particles of CoFe2O4, using a solvent casting method guided by the overlapping of nylon template structures with three different fiber diameter sizes (60, 80, and 120 μm), thus generating 3D scaffolds with different pore sizes. The magnetoactive composites show a structure very similar to trabecular bone with pore sizes that range from 5 to 20 μm, owing to the inherent process of crystallization of PVDF with the nanoparticles (NPs), interconnected with bigger pores, formed after removing the nylon templates. It is found that the materials crystallize in the electroactive β-phase of PVDF and promote the proliferation of preosteoblasts through the application of magnetic stimuli. This phenomenon is attributed to both local magnetomechanical and magnetoelectric response of the scaffolds, which induce a proper cellular mechano- and electro-transduction process.
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Affiliation(s)
- Margarida M Fernandes
- Centre of Biological Engineering , University of Minho , Campus de Gualtar , Braga 4710-057 , Portugal
- Centre of Physics , University of Minho , Braga 4710-057 , Portugal
| | - Daniela M Correia
- Centre of Physics , University of Minho , Braga 4710-057 , Portugal
- Centro de Química , Universidade de Trás-os-Montes e Alto Douro , Vila Real 5001-801 , Portugal
| | - Clarisse Ribeiro
- Centre of Biological Engineering , University of Minho , Campus de Gualtar , Braga 4710-057 , Portugal
- Centre of Physics , University of Minho , Braga 4710-057 , Portugal
| | - Nelson Castro
- BCMaterials, Basque Center for Materials, Applications and Nanostructures , UPV/EHU Science Park , Leioa 48940 , Spain
| | - Vitor Correia
- Centro Algoritmi , Universidade do Minho , Guimarães 4800-058 , Portugal
| | - Senentxu Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures , UPV/EHU Science Park , Leioa 48940 , Spain
- Ikerbasque, Basque Foundation for Science , Bilbao 48013 , Spain
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46
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3D printing of biopolymer nanocomposites for tissue engineering: Nanomaterials, processing and structure-function relation. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.109340] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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47
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The use of autologous fat grafts in breast surgery: A literature review. Arch Plast Surg 2019; 46:498-510. [PMID: 31775202 PMCID: PMC6882697 DOI: 10.5999/aps.2019.00416] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 11/08/2019] [Indexed: 12/15/2022] Open
Abstract
Autologous fat injection was first described roughly a century ago and has been used in surgery ever since. In addition to its use in many surgical fields, it is also frequently used for both aesthetic and reconstructive purposes in breast surgery. Since the application of fat grafting in breast surgery has steadily increased, studies investigating its reliability have simultaneously become increasingly common. Previous studies have reported that the use of fat grafting in breast surgery is reliable, but some pending questions remain about its routine use. In order to use fat grafts successfully in breast surgery, it is necessary to be familiar with the structure and content of adipose tissue, the efficacy of adipose stem cell-enriched fat grafts, the oncological safety of fat grafts, and the problems that may occur in the radiological follow-up of patients who undergo fat grafting procedures. In this literature review, we aim to discuss the use of fat grafts in breast surgery by investigating these common problems.
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48
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Liu Y, Rath B, Tingart M, Eschweiler J. Role of implants surface modification in osseointegration: A systematic review. J Biomed Mater Res A 2019; 108:470-484. [DOI: 10.1002/jbm.a.36829] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 10/23/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Yu Liu
- Department of Orthopaedic Surgery RWTH Aachen University Clinic Aachen Germany
| | - Björn Rath
- Department of Orthopaedic Surgery RWTH Aachen University Clinic Aachen Germany
| | - Markus Tingart
- Department of Orthopaedic Surgery RWTH Aachen University Clinic Aachen Germany
| | - Jörg Eschweiler
- Department of Orthopaedic Surgery RWTH Aachen University Clinic Aachen Germany
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Fernandes MM, Carvalho EO, Lanceros-Mendez S. Electroactive Smart Materials: Novel Tools for Tailoring Bacteria Behavior and Fight Antimicrobial Resistance. Front Bioeng Biotechnol 2019; 7:277. [PMID: 31681752 PMCID: PMC6813912 DOI: 10.3389/fbioe.2019.00277] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 10/02/2019] [Indexed: 11/13/2022] Open
Abstract
Despite being very simple organisms, bacteria possess an outstanding ability to adapt to different environments. Their long evolutionary history, being exposed to vastly different physicochemical surroundings, allowed them to detect and respond to a wide range of signals including biochemical, mechanical, electrical, and magnetic ones. Taking into consideration their adapting mechanisms, it is expected that novel materials able to provide bacteria with specific stimuli in a biomimetic context may tailor their behavior and make them suitable for specific applications in terms of anti-microbial and pro-microbial approaches. This review maintains that electroactive smart materials will be a future approach to be explored in microbiology to obtain novel strategies for fighting the emergence of live threatening antibiotic resistance.
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Affiliation(s)
- Margarida M. Fernandes
- Centre of Biological Engineering, University of Minho, Braga, Portugal
- Centre of Physics, University of Minho, Braga, Portugal
| | - Estela O. Carvalho
- Centre of Biological Engineering, University of Minho, Braga, Portugal
- Centre of Physics, University of Minho, Braga, Portugal
| | - Senentxu Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, Leioa, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
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50
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Trubiani O, Marconi GD, Pierdomenico SD, Piattelli A, Diomede F, Pizzicannella J. Human Oral Stem Cells, Biomaterials and Extracellular Vesicles: A Promising Tool in Bone Tissue Repair. Int J Mol Sci 2019; 20:E4987. [PMID: 31600975 PMCID: PMC6834314 DOI: 10.3390/ijms20204987] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/26/2019] [Accepted: 10/04/2019] [Indexed: 12/12/2022] Open
Abstract
Tissue engineering and/or regenerative medicine are fields of life science exploiting both engineering and biological fundamentals to originate new tissues and organs and to induce the regeneration of damaged or diseased tissues and organs. In particular, de novo bone tissue regeneration requires a mechanically competent osteo-conductive/inductive 3D biomaterial scaffold that guarantees the cell adhesion, proliferation, angiogenesis and differentiation into osteogenic lineage. Cellular components represent a key factor in tissue engineering and bone growth strategies take advantage from employment of mesenchymal stem cells (MSCs), an ideal cell source for tissue repair. Recently, the application of extracellular vesicles (EVs), isolated from stem cells, as cell-free therapy has emerged as a promising therapeutic strategy. This review aims at summarizing the recent and representative research on the bone tissue engineering field using a 3D scaffold enriched with human oral stem cells and their derivatives, EVs, as a promising therapeutic potential in the reconstructing of bone tissue defects.
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Affiliation(s)
- Oriana Trubiani
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Guya D Marconi
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Sante D Pierdomenico
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Adriano Piattelli
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Francesca Diomede
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Jacopo Pizzicannella
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
- ASL02 Lanciano-Vasto-Chieti, Ss. Annunziata Hospital, 66100 Chieti, Italy.
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